diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx')
103 files changed, 6596 insertions, 1990 deletions
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 7079a70b1ab8..37f513d1588e 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -9,6 +9,15 @@ if ARCH_S3C24XX +config PLAT_S3C24XX + def_bool y + select ARCH_REQUIRE_GPIOLIB + select NO_IOPORT + select S3C_DEV_NAND + select IRQ_DOMAIN + help + Base platform code for any Samsung S3C24XX device + menu "SAMSUNG S3C24XX SoCs Support" comment "S3C24XX SoCs" @@ -83,6 +92,17 @@ config CPU_S3C2443 # common code +config S3C2410_CLOCK + bool + help + Clock code for the S3C2410, and similar processors which + is currently includes the S3C2410, S3C2440, S3C2442. + +config S3C24XX_DCLK + bool + help + Clock code for supporting DCLK/CLKOUT on S3C24XX architectures + config S3C24XX_SMDK bool help @@ -111,6 +131,22 @@ config S3C24XX_SETUP_TS help Compile in platform device definition for Samsung TouchScreen. +config S3C24XX_DMA + bool "S3C2410 DMA support" + depends on ARCH_S3C24XX + select S3C_DMA + help + S3C2410 DMA support. This is needed for drivers like sound which + use the S3C2410's DMA system to move data to and from the + peripheral blocks. + +config S3C2410_DMA_DEBUG + bool "S3C2410 DMA support debug" + depends on ARCH_S3C24XX && S3C2410_DMA + help + Enable debugging output for the DMA code. This option sends info + to the kernel log, at priority KERN_DEBUG. + config S3C2410_DMA bool depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442) @@ -123,10 +159,92 @@ config S3C2410_PM help Power Management code common to S3C2410 and better +# low-level serial option nodes + +config CPU_LLSERIAL_S3C2410_ONLY + bool + default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440 + +config CPU_LLSERIAL_S3C2440_ONLY + bool + default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410 + +config CPU_LLSERIAL_S3C2410 + bool + help + Selected if there is an S3C2410 (or register compatible) serial + low-level implementation needed + +config CPU_LLSERIAL_S3C2440 + bool + help + Selected if there is an S3C2440 (or register compatible) serial + low-level implementation needed + +# gpio configurations + +config S3C24XX_GPIO_EXTRA + int + default 128 if S3C24XX_GPIO_EXTRA128 + default 64 if S3C24XX_GPIO_EXTRA64 + default 16 if ARCH_H1940 + default 0 + +config S3C24XX_GPIO_EXTRA64 + bool + help + Add an extra 64 gpio numbers to the available GPIO pool. This is + available for boards that need extra gpios for external devices. + +config S3C24XX_GPIO_EXTRA128 + bool + help + Add an extra 128 gpio numbers to the available GPIO pool. This is + available for boards that need extra gpios for external devices. + +# cpu frequency items common between s3c2410 and s3c2440/s3c2442 + +config S3C2410_IOTIMING + bool + depends on CPU_FREQ_S3C24XX + help + Internal node to select io timing code that is common to the s3c2410 + and s3c2440/s3c2442 cpu frequency support. + +config S3C2410_CPUFREQ_UTILS + bool + depends on CPU_FREQ_S3C24XX + help + Internal node to select timing code that is common to the s3c2410 + and s3c2440/s3c244 cpu frequency support. + +# cpu frequency support common to s3c2412, s3c2413 and s3c2442 + +config S3C2412_IOTIMING + bool + depends on CPU_FREQ_S3C24XX && (CPU_S3C2412 || CPU_S3C2443) + help + Intel node to select io timing code that is common to the s3c2412 + and the s3c2443. + # cpu-specific sections if CPU_S3C2410 +config S3C2410_CPUFREQ + bool + depends on CPU_FREQ_S3C24XX && CPU_S3C2410 + select S3C2410_CPUFREQ_UTILS + help + CPU Frequency scaling support for S3C2410 + +config S3C2410_PLL + bool + depends on S3C2410_CPUFREQ && CPU_FREQ_S3C24XX_PLL + default y + help + Select the PLL table for the S3C2410 + config S3C24XX_SIMTEC_NOR bool help @@ -267,6 +385,14 @@ config CPU_S3C2412_ONLY !CPU_S3C2443 && CPU_S3C2412 default y +config S3C2412_CPUFREQ + bool + depends on CPU_FREQ_S3C24XX && CPU_S3C2412 + default y + select S3C2412_IOTIMING + help + CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. + config S3C2412_DMA bool help @@ -367,11 +493,45 @@ endif # CPU_S3C2416 if CPU_S3C2440 +config S3C2440_CPUFREQ + bool "S3C2440/S3C2442 CPU Frequency scaling support" + depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442) + default y + select S3C2410_CPUFREQ_UTILS + help + CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. + config S3C2440_DMA bool help Support for S3C2440 specific DMA code5A +config S3C2440_XTAL_12000000 + bool + help + Indicate that the build needs to support 12MHz system + crystal. + +config S3C2440_XTAL_16934400 + bool + help + Indicate that the build needs to support 16.9344MHz system + crystal. + +config S3C2440_PLL_12000000 + bool + depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000 + default y if CPU_FREQ_S3C24XX_PLL + help + PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals. + +config S3C2440_PLL_16934400 + bool + depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400 + default y if CPU_FREQ_S3C24XX_PLL + help + PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals. + comment "S3C2440 Boards" # diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 0ab6ab15da4c..af53d27d5c36 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -14,26 +14,32 @@ obj- := # core -obj-y += common.o +obj-y += common.o irq.o obj-$(CONFIG_CPU_S3C2410) += s3c2410.o +obj-$(CONFIG_S3C2410_CPUFREQ) += cpufreq-s3c2410.o obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o +obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o obj-$(CONFIG_CPU_S3C2412) += s3c2412.o irq-s3c2412.o clock-s3c2412.o +obj-$(CONFIG_S3C2412_CPUFREQ) += cpufreq-s3c2412.o obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o -obj-$(CONFIG_CPU_S3C2416) += s3c2416.o irq-s3c2416.o clock-s3c2416.o +obj-$(CONFIG_CPU_S3C2416) += s3c2416.o clock-s3c2416.o obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o obj-$(CONFIG_CPU_S3C2440) += s3c2440.o irq-s3c2440.o clock-s3c2440.o obj-$(CONFIG_CPU_S3C2442) += s3c2442.o obj-$(CONFIG_CPU_S3C244X) += s3c244x.o irq-s3c244x.o clock-s3c244x.o +obj-$(CONFIG_S3C2440_CPUFREQ) += cpufreq-s3c2440.o obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o +obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o +obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o -obj-$(CONFIG_CPU_S3C2443) += s3c2443.o irq-s3c2443.o clock-s3c2443.o +obj-$(CONFIG_CPU_S3C2443) += s3c2443.o clock-s3c2443.o # PM @@ -41,9 +47,21 @@ obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o # common code +obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o +obj-$(CONFIG_S3C24XX_DMA) += dma.o + +obj-$(CONFIG_S3C2410_CLOCK) += clock-s3c2410.o +obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += cpufreq-utils.o + +obj-$(CONFIG_S3C2410_IOTIMING) += iotiming-s3c2410.o +obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o + obj-$(CONFIG_S3C2443_COMMON) += common-s3c2443.o obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o +obj-$(CONFIG_CPU_FREQ_S3C24XX) += cpufreq.o +obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpufreq-debugfs.o + # # machine support # following is ordered alphabetically by option text. diff --git a/arch/arm/mach-s3c24xx/anubis.h b/arch/arm/mach-s3c24xx/anubis.h new file mode 100644 index 000000000000..2691665f27d9 --- /dev/null +++ b/arch/arm/mach-s3c24xx/anubis.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * ANUBIS - CPLD control constants + * ANUBIS - IRQ Number definitions + * ANUBIS - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_ANUBIS_H +#define __MACH_S3C24XX_ANUBIS_H __FILE__ + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define ANUBIS_CTRL1_NANDSEL (0x3) + +/* IDREG - revision */ + +#define ANUBIS_IDREG_REVMASK (0x7) + +/* irq */ + +#define ANUBIS_IRQ_IDE0 IRQ_EINT2 +#define ANUBIS_IRQ_IDE1 IRQ_EINT3 +#define ANUBIS_IRQ_ASIX IRQ_EINT1 + +/* map */ + +/* start peripherals off after the S3C2410 */ + +#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) + +#define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) +#define ANUBIS_PA_CTRL1 ANUBIS_PA_CPLD + +#define ANUBIS_VA_IDREG ANUBIS_IOADDR(0x00300000) +#define ANUBIS_PA_IDREG (ANUBIS_PA_CPLD + (3 << 23)) + +#define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) +#define ANUBIS_IDEPRIAUX ANUBIS_IOADDR(0x01100000) +#define ANUBIS_IDESEC ANUBIS_IOADDR(0x01200000) +#define ANUBIS_IDESECAUX ANUBIS_IOADDR(0x01300000) + +#endif /* __MACH_S3C24XX_ANUBIS_H */ diff --git a/arch/arm/mach-s3c24xx/bast-ide.c b/arch/arm/mach-s3c24xx/bast-ide.c index ba02cf8d80a2..3f0288f2f542 100644 --- a/arch/arm/mach-s3c24xx/bast-ide.c +++ b/arch/arm/mach-s3c24xx/bast-ide.c @@ -25,8 +25,8 @@ #include <asm/mach/irq.h> #include <mach/map.h> -#include <mach/bast-map.h> -#include <mach/bast-irq.h> + +#include "bast.h" /* IDE ports */ @@ -34,12 +34,10 @@ static struct pata_platform_info bast_ide_platdata = { .ioport_shift = 5, }; -#define IDE_CS S3C2410_CS5 - static struct resource bast_ide0_resource[] = { - [0] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDEPRI, 8 * 0x20), - [1] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20), 0x20), - [2] = DEFINE_RES_IRQ(IRQ_IDE0), + [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRI, 8 * 0x20), + [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDEPRIAUX + (6 * 0x20), 0x20), + [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE0), }; static struct platform_device bast_device_ide0 = { @@ -55,9 +53,9 @@ static struct platform_device bast_device_ide0 = { }; static struct resource bast_ide1_resource[] = { - [0] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDESEC, 8 * 0x20), - [1] = DEFINE_RES_MEM(IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20), 0x20), - [2] = DEFINE_RES_IRQ(IRQ_IDE1), + [0] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESEC, 8 * 0x20), + [1] = DEFINE_RES_MEM(BAST_IDE_CS + BAST_PA_IDESECAUX + (6 * 0x20), 0x20), + [2] = DEFINE_RES_IRQ(BAST_IRQ_IDE1), }; static struct platform_device bast_device_ide1 = { diff --git a/arch/arm/mach-s3c24xx/bast-irq.c b/arch/arm/mach-s3c24xx/bast-irq.c index ac7b2ad5c405..c0daa9590b4c 100644 --- a/arch/arm/mach-s3c24xx/bast-irq.c +++ b/arch/arm/mach-s3c24xx/bast-irq.c @@ -27,27 +27,20 @@ #include <linux/device.h> #include <linux/io.h> -#include <asm/mach-types.h> - -#include <mach/hardware.h> #include <asm/irq.h> - +#include <asm/mach-types.h> #include <asm/mach/irq.h> +#include <mach/hardware.h> #include <mach/regs-irq.h> -#include <mach/bast-map.h> -#include <mach/bast-irq.h> #include <plat/irq.h> -#if 0 -#include <asm/debug-ll.h> -#endif +#include "bast.h" #define irqdbf(x...) #define irqdbf2(x...) - /* handle PC104 ISA interrupts from the system CPLD */ /* table of ISA irq nos to the relevant mask... zero means @@ -87,7 +80,7 @@ bast_pc104_mask(struct irq_data *data) static void bast_pc104_maskack(struct irq_data *data) { - struct irq_desc *desc = irq_desc + IRQ_ISA; + struct irq_desc *desc = irq_desc + BAST_IRQ_ISA; bast_pc104_mask(data); desc->irq_data.chip->irq_ack(&desc->irq_data); @@ -122,7 +115,7 @@ bast_irq_pc104_demux(unsigned int irq, if (unlikely(stat == 0)) { /* ack if we get an irq with nothing (ie, startup) */ - desc = irq_desc + IRQ_ISA; + desc = irq_desc + BAST_IRQ_ISA; desc->irq_data.chip->irq_ack(&desc->irq_data); } else { /* handle the IRQ */ @@ -147,7 +140,7 @@ static __init int bast_irq_init(void) __raw_writeb(0x0, BAST_VA_PC104_IRQMASK); - irq_set_chained_handler(IRQ_ISA, bast_irq_pc104_demux); + irq_set_chained_handler(BAST_IRQ_ISA, bast_irq_pc104_demux); /* register our IRQs */ diff --git a/arch/arm/mach-s3c24xx/bast.h b/arch/arm/mach-s3c24xx/bast.h new file mode 100644 index 000000000000..5c7534bae92d --- /dev/null +++ b/arch/arm/mach-s3c24xx/bast.h @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * BAST - CPLD control constants + * BAST - IRQ Number definitions + * BAST - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_BAST_H +#define __MACH_S3C24XX_BAST_H __FILE__ + +/* CTRL1 - Audio LR routing */ + +#define BAST_CPLD_CTRL1_LRCOFF (0x00) +#define BAST_CPLD_CTRL1_LRCADC (0x01) +#define BAST_CPLD_CTRL1_LRCDAC (0x02) +#define BAST_CPLD_CTRL1_LRCARM (0x03) +#define BAST_CPLD_CTRL1_LRMASK (0x03) + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define BAST_CPLD_CTRL2_WNAND (0x04) +#define BAST_CPLD_CTLR2_IDERST (0x08) + +/* CTRL3 - rom write control, CPLD identity */ + +#define BAST_CPLD_CTRL3_IDMASK (0x0e) +#define BAST_CPLD_CTRL3_ROMWEN (0x01) + +/* CTRL4 - 8bit LCD interface control/status */ + +#define BAST_CPLD_CTRL4_LLAT (0x01) +#define BAST_CPLD_CTRL4_LCDRW (0x02) +#define BAST_CPLD_CTRL4_LCDCMD (0x04) +#define BAST_CPLD_CTRL4_LCDE2 (0x01) + +/* CTRL5 - DMA routing */ + +#define BAST_CPLD_DMA0_PRIIDE (0) +#define BAST_CPLD_DMA0_SECIDE (1) +#define BAST_CPLD_DMA0_ISA15 (2) +#define BAST_CPLD_DMA0_ISA36 (3) + +#define BAST_CPLD_DMA1_PRIIDE (0 << 2) +#define BAST_CPLD_DMA1_SECIDE (1 << 2) +#define BAST_CPLD_DMA1_ISA15 (2 << 2) +#define BAST_CPLD_DMA1_ISA36 (3 << 2) + +/* irq numbers to onboard peripherals */ + +#define BAST_IRQ_USBOC IRQ_EINT18 +#define BAST_IRQ_IDE0 IRQ_EINT16 +#define BAST_IRQ_IDE1 IRQ_EINT17 +#define BAST_IRQ_PCSERIAL1 IRQ_EINT15 +#define BAST_IRQ_PCSERIAL2 IRQ_EINT14 +#define BAST_IRQ_PCPARALLEL IRQ_EINT13 +#define BAST_IRQ_ASIX IRQ_EINT11 +#define BAST_IRQ_DM9000 IRQ_EINT10 +#define BAST_IRQ_ISA IRQ_EINT9 +#define BAST_IRQ_SMALERT IRQ_EINT8 + +/* map */ + +/* + * ok, we've used up to 0x13000000, now we need to find space for the + * peripherals that live in the nGCS[x] areas, which are quite numerous + * in their space. We also have the board's CPLD to find register space + * for. + */ + +#define BAST_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define BAST_VA_CTRL1 BAST_IOADDR(0x00000000) +#define BAST_PA_CTRL1 (S3C2410_CS5 | 0x7800000) + +#define BAST_VA_CTRL2 BAST_IOADDR(0x00100000) +#define BAST_PA_CTRL2 (S3C2410_CS1 | 0x6000000) + +#define BAST_VA_CTRL3 BAST_IOADDR(0x00200000) +#define BAST_PA_CTRL3 (S3C2410_CS1 | 0x6800000) + +#define BAST_VA_CTRL4 BAST_IOADDR(0x00300000) +#define BAST_PA_CTRL4 (S3C2410_CS1 | 0x7000000) + +/* next, we have the PC104 ISA interrupt registers */ + +#define BAST_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) +#define BAST_VA_PC104_IRQREQ BAST_IOADDR(0x00400000) + +#define BAST_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) +#define BAST_VA_PC104_IRQRAW BAST_IOADDR(0x00500000) + +#define BAST_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) +#define BAST_VA_PC104_IRQMASK BAST_IOADDR(0x00600000) + +#define BAST_PA_LCD_RCMD1 (0x8800000) +#define BAST_VA_LCD_RCMD1 BAST_IOADDR(0x00700000) + +#define BAST_PA_LCD_WCMD1 (0x8000000) +#define BAST_VA_LCD_WCMD1 BAST_IOADDR(0x00800000) + +#define BAST_PA_LCD_RDATA1 (0x9800000) +#define BAST_VA_LCD_RDATA1 BAST_IOADDR(0x00900000) + +#define BAST_PA_LCD_WDATA1 (0x9000000) +#define BAST_VA_LCD_WDATA1 BAST_IOADDR(0x00A00000) + +#define BAST_PA_LCD_RCMD2 (0xA800000) +#define BAST_VA_LCD_RCMD2 BAST_IOADDR(0x00B00000) + +#define BAST_PA_LCD_WCMD2 (0xA000000) +#define BAST_VA_LCD_WCMD2 BAST_IOADDR(0x00C00000) + +#define BAST_PA_LCD_RDATA2 (0xB800000) +#define BAST_VA_LCD_RDATA2 BAST_IOADDR(0x00D00000) + +#define BAST_PA_LCD_WDATA2 (0xB000000) +#define BAST_VA_LCD_WDATA2 BAST_IOADDR(0x00E00000) + + +/* + * 0xE0000000 contains the IO space that is split by speed and + * whether the access is for 8 or 16bit IO... this ensures that + * the correct access is made + * + * 0x10000000 of space, partitioned as so: + * + * 0x00000000 to 0x04000000 8bit, slow + * 0x04000000 to 0x08000000 16bit, slow + * 0x08000000 to 0x0C000000 16bit, net + * 0x0C000000 to 0x10000000 16bit, fast + * + * each of these spaces has the following in: + * + * 0x00000000 to 0x01000000 16MB ISA IO space + * 0x01000000 to 0x02000000 16MB ISA memory space + * 0x02000000 to 0x02100000 1MB IDE primary channel + * 0x02100000 to 0x02200000 1MB IDE primary channel aux + * 0x02200000 to 0x02400000 1MB IDE secondary channel + * 0x02300000 to 0x02400000 1MB IDE secondary channel aux + * 0x02400000 to 0x02500000 1MB ASIX ethernet controller + * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controller + * 0x02600000 to 0x02700000 1MB PC SuperIO controller + * + * the phyiscal layout of the zones are: + * nGCS2 - 8bit, slow + * nGCS3 - 16bit, slow + * nGCS4 - 16bit, net + * nGCS5 - 16bit, fast + */ + +#define BAST_VA_MULTISPACE (0xE0000000) + +#define BAST_VA_ISAIO (BAST_VA_MULTISPACE + 0x00000000) +#define BAST_VA_ISAMEM (BAST_VA_MULTISPACE + 0x01000000) +#define BAST_VA_IDEPRI (BAST_VA_MULTISPACE + 0x02000000) +#define BAST_VA_IDEPRIAUX (BAST_VA_MULTISPACE + 0x02100000) +#define BAST_VA_IDESEC (BAST_VA_MULTISPACE + 0x02200000) +#define BAST_VA_IDESECAUX (BAST_VA_MULTISPACE + 0x02300000) +#define BAST_VA_ASIXNET (BAST_VA_MULTISPACE + 0x02400000) +#define BAST_VA_DM9000 (BAST_VA_MULTISPACE + 0x02500000) +#define BAST_VA_SUPERIO (BAST_VA_MULTISPACE + 0x02600000) + +#define BAST_VAM_CS2 (0x00000000) +#define BAST_VAM_CS3 (0x04000000) +#define BAST_VAM_CS4 (0x08000000) +#define BAST_VAM_CS5 (0x0C000000) + +/* physical offset addresses for the peripherals */ + +#define BAST_PA_ISAIO (0x00000000) +#define BAST_PA_ASIXNET (0x01000000) +#define BAST_PA_SUPERIO (0x01800000) +#define BAST_PA_IDEPRI (0x02000000) +#define BAST_PA_IDEPRIAUX (0x02800000) +#define BAST_PA_IDESEC (0x03000000) +#define BAST_PA_IDESECAUX (0x03800000) +#define BAST_PA_ISAMEM (0x04000000) +#define BAST_PA_DM9000 (0x05000000) + +/* some configurations for the peripherals */ + +#define BAST_PCSIO (BAST_VA_SUPERIO + BAST_VAM_CS2) + +#define BAST_ASIXNET_CS BAST_VAM_CS5 +#define BAST_DM9000_CS BAST_VAM_CS4 + +#define BAST_IDE_CS S3C2410_CS5 + +#endif /* __MACH_S3C24XX_BAST_H */ diff --git a/arch/arm/mach-s3c24xx/clock-dclk.c b/arch/arm/mach-s3c24xx/clock-dclk.c new file mode 100644 index 000000000000..1edd9b2369c5 --- /dev/null +++ b/arch/arm/mach-s3c24xx/clock-dclk.c @@ -0,0 +1,195 @@ +/* + * Copyright (c) 2004-2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C24XX - definitions for DCLK and CLKOUT registers + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/clock.h> +#include <plat/cpu.h> + +/* clocks that could be registered by external code */ + +static int s3c24xx_dclk_enable(struct clk *clk, int enable) +{ + unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON); + + if (enable) + dclkcon |= clk->ctrlbit; + else + dclkcon &= ~clk->ctrlbit; + + __raw_writel(dclkcon, S3C24XX_DCLKCON); + + return 0; +} + +static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent) +{ + unsigned long dclkcon; + unsigned int uclk; + + if (parent == &clk_upll) + uclk = 1; + else if (parent == &clk_p) + uclk = 0; + else + return -EINVAL; + + clk->parent = parent; + + dclkcon = __raw_readl(S3C24XX_DCLKCON); + + if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) { + if (uclk) + dclkcon |= S3C2410_DCLKCON_DCLK0_UCLK; + else + dclkcon &= ~S3C2410_DCLKCON_DCLK0_UCLK; + } else { + if (uclk) + dclkcon |= S3C2410_DCLKCON_DCLK1_UCLK; + else + dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK; + } + + __raw_writel(dclkcon, S3C24XX_DCLKCON); + + return 0; +} +static unsigned long s3c24xx_calc_div(struct clk *clk, unsigned long rate) +{ + unsigned long div; + + if ((rate == 0) || !clk->parent) + return 0; + + div = clk_get_rate(clk->parent) / rate; + if (div < 2) + div = 2; + else if (div > 16) + div = 16; + + return div; +} + +static unsigned long s3c24xx_round_dclk_rate(struct clk *clk, + unsigned long rate) +{ + unsigned long div = s3c24xx_calc_div(clk, rate); + + if (div == 0) + return 0; + + return clk_get_rate(clk->parent) / div; +} + +static int s3c24xx_set_dclk_rate(struct clk *clk, unsigned long rate) +{ + unsigned long mask, data, div = s3c24xx_calc_div(clk, rate); + + if (div == 0) + return -EINVAL; + + if (clk == &s3c24xx_dclk0) { + mask = S3C2410_DCLKCON_DCLK0_DIV_MASK | + S3C2410_DCLKCON_DCLK0_CMP_MASK; + data = S3C2410_DCLKCON_DCLK0_DIV(div) | + S3C2410_DCLKCON_DCLK0_CMP((div + 1) / 2); + } else if (clk == &s3c24xx_dclk1) { + mask = S3C2410_DCLKCON_DCLK1_DIV_MASK | + S3C2410_DCLKCON_DCLK1_CMP_MASK; + data = S3C2410_DCLKCON_DCLK1_DIV(div) | + S3C2410_DCLKCON_DCLK1_CMP((div + 1) / 2); + } else + return -EINVAL; + + clk->rate = clk_get_rate(clk->parent) / div; + __raw_writel(((__raw_readl(S3C24XX_DCLKCON) & ~mask) | data), + S3C24XX_DCLKCON); + return clk->rate; +} +static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent) +{ + unsigned long mask; + unsigned long source; + + /* calculate the MISCCR setting for the clock */ + + if (parent == &clk_mpll) + source = S3C2410_MISCCR_CLK0_MPLL; + else if (parent == &clk_upll) + source = S3C2410_MISCCR_CLK0_UPLL; + else if (parent == &clk_f) + source = S3C2410_MISCCR_CLK0_FCLK; + else if (parent == &clk_h) + source = S3C2410_MISCCR_CLK0_HCLK; + else if (parent == &clk_p) + source = S3C2410_MISCCR_CLK0_PCLK; + else if (clk == &s3c24xx_clkout0 && parent == &s3c24xx_dclk0) + source = S3C2410_MISCCR_CLK0_DCLK0; + else if (clk == &s3c24xx_clkout1 && parent == &s3c24xx_dclk1) + source = S3C2410_MISCCR_CLK0_DCLK0; + else + return -EINVAL; + + clk->parent = parent; + + if (clk == &s3c24xx_clkout0) + mask = S3C2410_MISCCR_CLK0_MASK; + else { + source <<= 4; + mask = S3C2410_MISCCR_CLK1_MASK; + } + + s3c2410_modify_misccr(mask, source); + return 0; +} + +/* external clock definitions */ + +static struct clk_ops dclk_ops = { + .set_parent = s3c24xx_dclk_setparent, + .set_rate = s3c24xx_set_dclk_rate, + .round_rate = s3c24xx_round_dclk_rate, +}; + +struct clk s3c24xx_dclk0 = { + .name = "dclk0", + .ctrlbit = S3C2410_DCLKCON_DCLK0EN, + .enable = s3c24xx_dclk_enable, + .ops = &dclk_ops, +}; + +struct clk s3c24xx_dclk1 = { + .name = "dclk1", + .ctrlbit = S3C2410_DCLKCON_DCLK1EN, + .enable = s3c24xx_dclk_enable, + .ops = &dclk_ops, +}; + +static struct clk_ops clkout_ops = { + .set_parent = s3c24xx_clkout_setparent, +}; + +struct clk s3c24xx_clkout0 = { + .name = "clkout0", + .ops = &clkout_ops, +}; + +struct clk s3c24xx_clkout1 = { + .name = "clkout1", + .ops = &clkout_ops, +}; diff --git a/arch/arm/mach-s3c24xx/clock-s3c2410.c b/arch/arm/mach-s3c24xx/clock-s3c2410.c new file mode 100644 index 000000000000..641266f3d152 --- /dev/null +++ b/arch/arm/mach-s3c24xx/clock-s3c2410.c @@ -0,0 +1,252 @@ +/* + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410,S3C2440,S3C2442 Clock control support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/serial_core.h> +#include <linux/io.h> + +#include <asm/mach/map.h> + +#include <mach/hardware.h> + +#include <plat/regs-serial.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/s3c2410.h> +#include <plat/clock.h> +#include <plat/cpu.h> + +int s3c2410_clkcon_enable(struct clk *clk, int enable) +{ + unsigned int clocks = clk->ctrlbit; + unsigned long clkcon; + + clkcon = __raw_readl(S3C2410_CLKCON); + + if (enable) + clkcon |= clocks; + else + clkcon &= ~clocks; + + /* ensure none of the special function bits set */ + clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER); + + __raw_writel(clkcon, S3C2410_CLKCON); + + return 0; +} + +static int s3c2410_upll_enable(struct clk *clk, int enable) +{ + unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); + unsigned long orig = clkslow; + + if (enable) + clkslow &= ~S3C2410_CLKSLOW_UCLK_OFF; + else + clkslow |= S3C2410_CLKSLOW_UCLK_OFF; + + __raw_writel(clkslow, S3C2410_CLKSLOW); + + /* if we started the UPLL, then allow to settle */ + + if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF)) + udelay(200); + + return 0; +} + +/* standard clock definitions */ + +static struct clk init_clocks_off[] = { + { + .name = "nand", + .parent = &clk_h, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_NAND, + }, { + .name = "sdi", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_SDI, + }, { + .name = "adc", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_ADC, + }, { + .name = "i2c", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_IIC, + }, { + .name = "iis", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_IIS, + }, { + .name = "spi", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_SPI, + } +}; + +static struct clk init_clocks[] = { + { + .name = "lcd", + .parent = &clk_h, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_LCDC, + }, { + .name = "gpio", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_GPIO, + }, { + .name = "usb-host", + .parent = &clk_h, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_USBH, + }, { + .name = "usb-device", + .parent = &clk_h, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_USBD, + }, { + .name = "timers", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_PWMT, + }, { + .name = "uart", + .devname = "s3c2410-uart.0", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_UART0, + }, { + .name = "uart", + .devname = "s3c2410-uart.1", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_UART1, + }, { + .name = "uart", + .devname = "s3c2410-uart.2", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_UART2, + }, { + .name = "rtc", + .parent = &clk_p, + .enable = s3c2410_clkcon_enable, + .ctrlbit = S3C2410_CLKCON_RTC, + }, { + .name = "watchdog", + .parent = &clk_p, + .ctrlbit = 0, + }, { + .name = "usb-bus-host", + .parent = &clk_usb_bus, + }, { + .name = "usb-bus-gadget", + .parent = &clk_usb_bus, + }, +}; + +/* s3c2410_baseclk_add() + * + * Add all the clocks used by the s3c2410 or compatible CPUs + * such as the S3C2440 and S3C2442. + * + * We cannot use a system device as we are needed before any + * of the init-calls that initialise the devices are actually + * done. +*/ + +int __init s3c2410_baseclk_add(void) +{ + unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); + unsigned long clkcon = __raw_readl(S3C2410_CLKCON); + struct clk *clkp; + struct clk *xtal; + int ret; + int ptr; + + clk_upll.enable = s3c2410_upll_enable; + + if (s3c24xx_register_clock(&clk_usb_bus) < 0) + printk(KERN_ERR "failed to register usb bus clock\n"); + + /* register clocks from clock array */ + + clkp = init_clocks; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { + /* ensure that we note the clock state */ + + clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + /* We must be careful disabling the clocks we are not intending to + * be using at boot time, as subsystems such as the LCD which do + * their own DMA requests to the bus can cause the system to lockup + * if they where in the middle of requesting bus access. + * + * Disabling the LCD clock if the LCD is active is very dangerous, + * and therefore the bootloader should be careful to not enable + * the LCD clock if it is not needed. + */ + + /* install (and disable) the clocks we do not need immediately */ + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + + /* show the clock-slow value */ + + xtal = clk_get(NULL, "xtal"); + + printk("CLOCK: Slow mode (%ld.%ld MHz), %s, MPLL %s, UPLL %s\n", + print_mhz(clk_get_rate(xtal) / + ( 2 * S3C2410_CLKSLOW_GET_SLOWVAL(clkslow))), + (clkslow & S3C2410_CLKSLOW_SLOW) ? "slow" : "fast", + (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on", + (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on"); + + s3c_pwmclk_init(); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h index c2f596e7bc2d..ed6276fcaa3b 100644 --- a/arch/arm/mach-s3c24xx/common.h +++ b/arch/arm/mach-s3c24xx/common.h @@ -15,4 +15,6 @@ void s3c2410_restart(char mode, const char *cmd); void s3c244x_restart(char mode, const char *cmd); +extern struct syscore_ops s3c24xx_irq_syscore_ops; + #endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */ diff --git a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c b/arch/arm/mach-s3c24xx/cpufreq-debugfs.c new file mode 100644 index 000000000000..9b7b4289d66c --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-debugfs.c @@ -0,0 +1,198 @@ +/* + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling - debugfs status support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/export.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/err.h> + +#include <plat/cpu-freq-core.h> + +static struct dentry *dbgfs_root; +static struct dentry *dbgfs_file_io; +static struct dentry *dbgfs_file_info; +static struct dentry *dbgfs_file_board; + +#define print_ns(x) ((x) / 10), ((x) % 10) + +static void show_max(struct seq_file *seq, struct s3c_freq *f) +{ + seq_printf(seq, "MAX: F=%lu, H=%lu, P=%lu, A=%lu\n", + f->fclk, f->hclk, f->pclk, f->armclk); +} + +static int board_show(struct seq_file *seq, void *p) +{ + struct s3c_cpufreq_config *cfg; + struct s3c_cpufreq_board *brd; + + cfg = s3c_cpufreq_getconfig(); + if (!cfg) { + seq_printf(seq, "no configuration registered\n"); + return 0; + } + + brd = cfg->board; + if (!brd) { + seq_printf(seq, "no board definition set?\n"); + return 0; + } + + seq_printf(seq, "SDRAM refresh %u ns\n", brd->refresh); + seq_printf(seq, "auto_io=%u\n", brd->auto_io); + seq_printf(seq, "need_io=%u\n", brd->need_io); + + show_max(seq, &brd->max); + + + return 0; +} + +static int fops_board_open(struct inode *inode, struct file *file) +{ + return single_open(file, board_show, NULL); +} + +static const struct file_operations fops_board = { + .open = fops_board_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static int info_show(struct seq_file *seq, void *p) +{ + struct s3c_cpufreq_config *cfg; + + cfg = s3c_cpufreq_getconfig(); + if (!cfg) { + seq_printf(seq, "no configuration registered\n"); + return 0; + } + + seq_printf(seq, " FCLK %ld Hz\n", cfg->freq.fclk); + seq_printf(seq, " HCLK %ld Hz (%lu.%lu ns)\n", + cfg->freq.hclk, print_ns(cfg->freq.hclk_tns)); + seq_printf(seq, " PCLK %ld Hz\n", cfg->freq.hclk); + seq_printf(seq, "ARMCLK %ld Hz\n", cfg->freq.armclk); + seq_printf(seq, "\n"); + + show_max(seq, &cfg->max); + + seq_printf(seq, "Divisors: P=%d, H=%d, A=%d, dvs=%s\n", + cfg->divs.h_divisor, cfg->divs.p_divisor, + cfg->divs.arm_divisor, cfg->divs.dvs ? "on" : "off"); + seq_printf(seq, "\n"); + + seq_printf(seq, "lock_pll=%u\n", cfg->lock_pll); + + return 0; +} + +static int fops_info_open(struct inode *inode, struct file *file) +{ + return single_open(file, info_show, NULL); +} + +static const struct file_operations fops_info = { + .open = fops_info_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + +static int io_show(struct seq_file *seq, void *p) +{ + void (*show_bank)(struct seq_file *, struct s3c_cpufreq_config *, union s3c_iobank *); + struct s3c_cpufreq_config *cfg; + struct s3c_iotimings *iot; + union s3c_iobank *iob; + int bank; + + cfg = s3c_cpufreq_getconfig(); + if (!cfg) { + seq_printf(seq, "no configuration registered\n"); + return 0; + } + + show_bank = cfg->info->debug_io_show; + if (!show_bank) { + seq_printf(seq, "no code to show bank timing\n"); + return 0; + } + + iot = s3c_cpufreq_getiotimings(); + if (!iot) { + seq_printf(seq, "no io timings registered\n"); + return 0; + } + + seq_printf(seq, "hclk period is %lu.%lu ns\n", print_ns(cfg->freq.hclk_tns)); + + for (bank = 0; bank < MAX_BANKS; bank++) { + iob = &iot->bank[bank]; + + seq_printf(seq, "bank %d: ", bank); + + if (!iob->io_2410) { + seq_printf(seq, "nothing set\n"); + continue; + } + + show_bank(seq, cfg, iob); + } + + return 0; +} + +static int fops_io_open(struct inode *inode, struct file *file) +{ + return single_open(file, io_show, NULL); +} + +static const struct file_operations fops_io = { + .open = fops_io_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + + +static int __init s3c_freq_debugfs_init(void) +{ + dbgfs_root = debugfs_create_dir("s3c-cpufreq", NULL); + if (IS_ERR(dbgfs_root)) { + printk(KERN_ERR "%s: error creating debugfs root\n", __func__); + return PTR_ERR(dbgfs_root); + } + + dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root, + NULL, &fops_io); + + dbgfs_file_info = debugfs_create_file("info", S_IRUGO, dbgfs_root, + NULL, &fops_info); + + dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root, + NULL, &fops_board); + + return 0; +} + +late_initcall(s3c_freq_debugfs_init); + diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c new file mode 100644 index 000000000000..cfa0dd8723ec --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 CPU Frequency scaling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-clock.h> + +#include <plat/cpu.h> +#include <plat/clock.h> +#include <plat/cpu-freq-core.h> + +/* Note, 2410A has an extra mode for 1:4:4 ratio, bit 2 of CLKDIV */ + +static void s3c2410_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) +{ + u32 clkdiv = 0; + + if (cfg->divs.h_divisor == 2) + clkdiv |= S3C2410_CLKDIVN_HDIVN; + + if (cfg->divs.p_divisor != cfg->divs.h_divisor) + clkdiv |= S3C2410_CLKDIVN_PDIVN; + + __raw_writel(clkdiv, S3C2410_CLKDIVN); +} + +static int s3c2410_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg) +{ + unsigned long hclk, fclk, pclk; + unsigned int hdiv, pdiv; + unsigned long hclk_max; + + fclk = cfg->freq.fclk; + hclk_max = cfg->max.hclk; + + cfg->freq.armclk = fclk; + + s3c_freq_dbg("%s: fclk is %lu, max hclk %lu\n", + __func__, fclk, hclk_max); + + hdiv = (fclk > cfg->max.hclk) ? 2 : 1; + hclk = fclk / hdiv; + + if (hclk > cfg->max.hclk) { + s3c_freq_dbg("%s: hclk too big\n", __func__); + return -EINVAL; + } + + pdiv = (hclk > cfg->max.pclk) ? 2 : 1; + pclk = hclk / pdiv; + + if (pclk > cfg->max.pclk) { + s3c_freq_dbg("%s: pclk too big\n", __func__); + return -EINVAL; + } + + pdiv *= hdiv; + + /* record the result */ + cfg->divs.p_divisor = pdiv; + cfg->divs.h_divisor = hdiv; + + return 0; +} + +static struct s3c_cpufreq_info s3c2410_cpufreq_info = { + .max = { + .fclk = 200000000, + .hclk = 100000000, + .pclk = 50000000, + }, + + /* transition latency is about 5ms worst-case, so + * set 10ms to be sure */ + .latency = 10000000, + + .locktime_m = 150, + .locktime_u = 150, + .locktime_bits = 12, + + .need_pll = 1, + + .name = "s3c2410", + .calc_iotiming = s3c2410_iotiming_calc, + .set_iotiming = s3c2410_iotiming_set, + .get_iotiming = s3c2410_iotiming_get, + .resume_clocks = s3c2410_setup_clocks, + + .set_fvco = s3c2410_set_fvco, + .set_refresh = s3c2410_cpufreq_setrefresh, + .set_divs = s3c2410_cpufreq_setdivs, + .calc_divs = s3c2410_cpufreq_calcdivs, + + .debug_io_show = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs), +}; + +static int s3c2410_cpufreq_add(struct device *dev, + struct subsys_interface *sif) +{ + return s3c_cpufreq_register(&s3c2410_cpufreq_info); +} + +static struct subsys_interface s3c2410_cpufreq_interface = { + .name = "s3c2410_cpufreq", + .subsys = &s3c2410_subsys, + .add_dev = s3c2410_cpufreq_add, +}; + +static int __init s3c2410_cpufreq_init(void) +{ + return subsys_interface_register(&s3c2410_cpufreq_interface); +} +arch_initcall(s3c2410_cpufreq_init); + +static int s3c2410a_cpufreq_add(struct device *dev, + struct subsys_interface *sif) +{ + /* alter the maximum freq settings for S3C2410A. If a board knows + * it only has a maximum of 200, then it should register its own + * limits. */ + + s3c2410_cpufreq_info.max.fclk = 266000000; + s3c2410_cpufreq_info.max.hclk = 133000000; + s3c2410_cpufreq_info.max.pclk = 66500000; + s3c2410_cpufreq_info.name = "s3c2410a"; + + return s3c2410_cpufreq_add(dev, sif); +} + +static struct subsys_interface s3c2410a_cpufreq_interface = { + .name = "s3c2410a_cpufreq", + .subsys = &s3c2410a_subsys, + .add_dev = s3c2410a_cpufreq_add, +}; + +static int __init s3c2410a_cpufreq_init(void) +{ + return subsys_interface_register(&s3c2410a_cpufreq_interface); +} +arch_initcall(s3c2410a_cpufreq_init); diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c new file mode 100644 index 000000000000..8bf0f3a77476 --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c @@ -0,0 +1,258 @@ +/* + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412 CPU Frequency scalling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-clock.h> + +#include <plat/cpu.h> +#include <plat/clock.h> +#include <plat/cpu-freq-core.h> + +#include "s3c2412.h" + +/* our clock resources. */ +static struct clk *xtal; +static struct clk *fclk; +static struct clk *hclk; +static struct clk *armclk; + +/* HDIV: 1, 2, 3, 4, 6, 8 */ + +static int s3c2412_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg) +{ + unsigned int hdiv, pdiv, armdiv, dvs; + unsigned long hclk, fclk, armclk, armdiv_clk; + unsigned long hclk_max; + + fclk = cfg->freq.fclk; + armclk = cfg->freq.armclk; + hclk_max = cfg->max.hclk; + + /* We can't run hclk above armclk as at the best we have to + * have armclk and hclk in dvs mode. */ + + if (hclk_max > armclk) + hclk_max = armclk; + + s3c_freq_dbg("%s: fclk=%lu, armclk=%lu, hclk_max=%lu\n", + __func__, fclk, armclk, hclk_max); + s3c_freq_dbg("%s: want f=%lu, arm=%lu, h=%lu, p=%lu\n", + __func__, cfg->freq.fclk, cfg->freq.armclk, + cfg->freq.hclk, cfg->freq.pclk); + + armdiv = fclk / armclk; + + if (armdiv < 1) + armdiv = 1; + if (armdiv > 2) + armdiv = 2; + + cfg->divs.arm_divisor = armdiv; + armdiv_clk = fclk / armdiv; + + hdiv = armdiv_clk / hclk_max; + if (hdiv < 1) + hdiv = 1; + + cfg->freq.hclk = hclk = armdiv_clk / hdiv; + + /* set dvs depending on whether we reached armclk or not. */ + cfg->divs.dvs = dvs = armclk < armdiv_clk; + + /* update the actual armclk we achieved. */ + cfg->freq.armclk = dvs ? hclk : armdiv_clk; + + s3c_freq_dbg("%s: armclk %lu, hclk %lu, armdiv %d, hdiv %d, dvs %d\n", + __func__, armclk, hclk, armdiv, hdiv, cfg->divs.dvs); + + if (hdiv > 4) + goto invalid; + + pdiv = (hclk > cfg->max.pclk) ? 2 : 1; + + if ((hclk / pdiv) > cfg->max.pclk) + pdiv++; + + cfg->freq.pclk = hclk / pdiv; + + s3c_freq_dbg("%s: pdiv %d\n", __func__, pdiv); + + if (pdiv > 2) + goto invalid; + + pdiv *= hdiv; + + /* store the result, and then return */ + + cfg->divs.h_divisor = hdiv * armdiv; + cfg->divs.p_divisor = pdiv * armdiv; + + return 0; + +invalid: + return -EINVAL; +} + +static void s3c2412_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) +{ + unsigned long clkdiv; + unsigned long olddiv; + + olddiv = clkdiv = __raw_readl(S3C2410_CLKDIVN); + + /* clear off current clock info */ + + clkdiv &= ~S3C2412_CLKDIVN_ARMDIVN; + clkdiv &= ~S3C2412_CLKDIVN_HDIVN_MASK; + clkdiv &= ~S3C2412_CLKDIVN_PDIVN; + + if (cfg->divs.arm_divisor == 2) + clkdiv |= S3C2412_CLKDIVN_ARMDIVN; + + clkdiv |= ((cfg->divs.h_divisor / cfg->divs.arm_divisor) - 1); + + if (cfg->divs.p_divisor != cfg->divs.h_divisor) + clkdiv |= S3C2412_CLKDIVN_PDIVN; + + s3c_freq_dbg("%s: div %08lx => %08lx\n", __func__, olddiv, clkdiv); + __raw_writel(clkdiv, S3C2410_CLKDIVN); + + clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk); +} + +static void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + struct s3c_cpufreq_board *board = cfg->board; + unsigned long refresh; + + s3c_freq_dbg("%s: refresh %u ns, hclk %lu\n", __func__, + board->refresh, cfg->freq.hclk); + + /* Reduce both the refresh time (in ns) and the frequency (in MHz) + * by 10 each to ensure that we do not overflow 32 bit numbers. This + * should work for HCLK up to 133MHz and refresh period up to 30usec. + */ + + refresh = (board->refresh / 10); + refresh *= (cfg->freq.hclk / 100); + refresh /= (1 * 1000 * 1000); /* 10^6 */ + + s3c_freq_dbg("%s: setting refresh 0x%08lx\n", __func__, refresh); + __raw_writel(refresh, S3C2412_REFRESH); +} + +/* set the default cpu frequency information, based on an 200MHz part + * as we have no other way of detecting the speed rating in software. + */ + +static struct s3c_cpufreq_info s3c2412_cpufreq_info = { + .max = { + .fclk = 200000000, + .hclk = 100000000, + .pclk = 50000000, + }, + + .latency = 5000000, /* 5ms */ + + .locktime_m = 150, + .locktime_u = 150, + .locktime_bits = 16, + + .name = "s3c2412", + .set_refresh = s3c2412_cpufreq_setrefresh, + .set_divs = s3c2412_cpufreq_setdivs, + .calc_divs = s3c2412_cpufreq_calcdivs, + + .calc_iotiming = s3c2412_iotiming_calc, + .set_iotiming = s3c2412_iotiming_set, + .get_iotiming = s3c2412_iotiming_get, + + .resume_clocks = s3c2412_setup_clocks, + + .debug_io_show = s3c_cpufreq_debugfs_call(s3c2412_iotiming_debugfs), +}; + +static int s3c2412_cpufreq_add(struct device *dev, + struct subsys_interface *sif) +{ + unsigned long fclk_rate; + + hclk = clk_get(NULL, "hclk"); + if (IS_ERR(hclk)) { + printk(KERN_ERR "%s: cannot find hclk clock\n", __func__); + return -ENOENT; + } + + fclk = clk_get(NULL, "fclk"); + if (IS_ERR(fclk)) { + printk(KERN_ERR "%s: cannot find fclk clock\n", __func__); + goto err_fclk; + } + + fclk_rate = clk_get_rate(fclk); + if (fclk_rate > 200000000) { + printk(KERN_INFO + "%s: fclk %ld MHz, assuming 266MHz capable part\n", + __func__, fclk_rate / 1000000); + s3c2412_cpufreq_info.max.fclk = 266000000; + s3c2412_cpufreq_info.max.hclk = 133000000; + s3c2412_cpufreq_info.max.pclk = 66000000; + } + + armclk = clk_get(NULL, "armclk"); + if (IS_ERR(armclk)) { + printk(KERN_ERR "%s: cannot find arm clock\n", __func__); + goto err_armclk; + } + + xtal = clk_get(NULL, "xtal"); + if (IS_ERR(xtal)) { + printk(KERN_ERR "%s: cannot find xtal clock\n", __func__); + goto err_xtal; + } + + return s3c_cpufreq_register(&s3c2412_cpufreq_info); + +err_xtal: + clk_put(armclk); +err_armclk: + clk_put(fclk); +err_fclk: + clk_put(hclk); + + return -ENOENT; +} + +static struct subsys_interface s3c2412_cpufreq_interface = { + .name = "s3c2412_cpufreq", + .subsys = &s3c2412_subsys, + .add_dev = s3c2412_cpufreq_add, +}; + +static int s3c2412_cpufreq_init(void) +{ + return subsys_interface_register(&s3c2412_cpufreq_interface); +} +arch_initcall(s3c2412_cpufreq_init); diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c new file mode 100644 index 000000000000..72b2cc8a5a85 --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c @@ -0,0 +1,312 @@ +/* + * Copyright (c) 2006-2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@simtec.co.uk> + * + * S3C2440/S3C2442 CPU Frequency scaling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> + +#include <mach/hardware.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-clock.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> +#include <plat/clock.h> + +static struct clk *xtal; +static struct clk *fclk; +static struct clk *hclk; +static struct clk *armclk; + +/* HDIV: 1, 2, 3, 4, 6, 8 */ + +static inline int within_khz(unsigned long a, unsigned long b) +{ + long diff = a - b; + + return (diff >= -1000 && diff <= 1000); +} + +/** + * s3c2440_cpufreq_calcdivs - calculate divider settings + * @cfg: The cpu frequency settings. + * + * Calcualte the divider values for the given frequency settings + * specified in @cfg. The values are stored in @cfg for later use + * by the relevant set routine if the request settings can be reached. + */ +int s3c2440_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg) +{ + unsigned int hdiv, pdiv; + unsigned long hclk, fclk, armclk; + unsigned long hclk_max; + + fclk = cfg->freq.fclk; + armclk = cfg->freq.armclk; + hclk_max = cfg->max.hclk; + + s3c_freq_dbg("%s: fclk is %lu, armclk %lu, max hclk %lu\n", + __func__, fclk, armclk, hclk_max); + + if (armclk > fclk) { + printk(KERN_WARNING "%s: armclk > fclk\n", __func__); + armclk = fclk; + } + + /* if we are in DVS, we need HCLK to be <= ARMCLK */ + if (armclk < fclk && armclk < hclk_max) + hclk_max = armclk; + + for (hdiv = 1; hdiv < 9; hdiv++) { + if (hdiv == 5 || hdiv == 7) + hdiv++; + + hclk = (fclk / hdiv); + if (hclk <= hclk_max || within_khz(hclk, hclk_max)) + break; + } + + s3c_freq_dbg("%s: hclk %lu, div %d\n", __func__, hclk, hdiv); + + if (hdiv > 8) + goto invalid; + + pdiv = (hclk > cfg->max.pclk) ? 2 : 1; + + if ((hclk / pdiv) > cfg->max.pclk) + pdiv++; + + s3c_freq_dbg("%s: pdiv %d\n", __func__, pdiv); + + if (pdiv > 2) + goto invalid; + + pdiv *= hdiv; + + /* calculate a valid armclk */ + + if (armclk < hclk) + armclk = hclk; + + /* if we're running armclk lower than fclk, this really means + * that the system should go into dvs mode, which means that + * armclk is connected to hclk. */ + if (armclk < fclk) { + cfg->divs.dvs = 1; + armclk = hclk; + } else + cfg->divs.dvs = 0; + + cfg->freq.armclk = armclk; + + /* store the result, and then return */ + + cfg->divs.h_divisor = hdiv; + cfg->divs.p_divisor = pdiv; + + return 0; + + invalid: + return -EINVAL; +} + +#define CAMDIVN_HCLK_HALF (S3C2440_CAMDIVN_HCLK3_HALF | \ + S3C2440_CAMDIVN_HCLK4_HALF) + +/** + * s3c2440_cpufreq_setdivs - set the cpu frequency divider settings + * @cfg: The cpu frequency settings. + * + * Set the divisors from the settings in @cfg, which where generated + * during the calculation phase by s3c2440_cpufreq_calcdivs(). + */ +static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) +{ + unsigned long clkdiv, camdiv; + + s3c_freq_dbg("%s: divsiors: h=%d, p=%d\n", __func__, + cfg->divs.h_divisor, cfg->divs.p_divisor); + + clkdiv = __raw_readl(S3C2410_CLKDIVN); + camdiv = __raw_readl(S3C2440_CAMDIVN); + + clkdiv &= ~(S3C2440_CLKDIVN_HDIVN_MASK | S3C2440_CLKDIVN_PDIVN); + camdiv &= ~CAMDIVN_HCLK_HALF; + + switch (cfg->divs.h_divisor) { + case 1: + clkdiv |= S3C2440_CLKDIVN_HDIVN_1; + break; + + case 2: + clkdiv |= S3C2440_CLKDIVN_HDIVN_2; + break; + + case 6: + camdiv |= S3C2440_CAMDIVN_HCLK3_HALF; + case 3: + clkdiv |= S3C2440_CLKDIVN_HDIVN_3_6; + break; + + case 8: + camdiv |= S3C2440_CAMDIVN_HCLK4_HALF; + case 4: + clkdiv |= S3C2440_CLKDIVN_HDIVN_4_8; + break; + + default: + BUG(); /* we don't expect to get here. */ + } + + if (cfg->divs.p_divisor != cfg->divs.h_divisor) + clkdiv |= S3C2440_CLKDIVN_PDIVN; + + /* todo - set pclk. */ + + /* Write the divisors first with hclk intentionally halved so that + * when we write clkdiv we will under-frequency instead of over. We + * then make a short delay and remove the hclk halving if necessary. + */ + + __raw_writel(camdiv | CAMDIVN_HCLK_HALF, S3C2440_CAMDIVN); + __raw_writel(clkdiv, S3C2410_CLKDIVN); + + ndelay(20); + __raw_writel(camdiv, S3C2440_CAMDIVN); + + clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk); +} + +static int run_freq_for(unsigned long max_hclk, unsigned long fclk, + int *divs, + struct cpufreq_frequency_table *table, + size_t table_size) +{ + unsigned long freq; + int index = 0; + int div; + + for (div = *divs; div > 0; div = *divs++) { + freq = fclk / div; + + if (freq > max_hclk && div != 1) + continue; + + freq /= 1000; /* table is in kHz */ + index = s3c_cpufreq_addfreq(table, index, table_size, freq); + if (index < 0) + break; + } + + return index; +} + +static int hclk_divs[] = { 1, 2, 3, 4, 6, 8, -1 }; + +static int s3c2440_cpufreq_calctable(struct s3c_cpufreq_config *cfg, + struct cpufreq_frequency_table *table, + size_t table_size) +{ + int ret; + + WARN_ON(cfg->info == NULL); + WARN_ON(cfg->board == NULL); + + ret = run_freq_for(cfg->info->max.hclk, + cfg->info->max.fclk, + hclk_divs, + table, table_size); + + s3c_freq_dbg("%s: returning %d\n", __func__, ret); + + return ret; +} + +struct s3c_cpufreq_info s3c2440_cpufreq_info = { + .max = { + .fclk = 400000000, + .hclk = 133333333, + .pclk = 66666666, + }, + + .locktime_m = 300, + .locktime_u = 300, + .locktime_bits = 16, + + .name = "s3c244x", + .calc_iotiming = s3c2410_iotiming_calc, + .set_iotiming = s3c2410_iotiming_set, + .get_iotiming = s3c2410_iotiming_get, + .set_fvco = s3c2410_set_fvco, + + .set_refresh = s3c2410_cpufreq_setrefresh, + .set_divs = s3c2440_cpufreq_setdivs, + .calc_divs = s3c2440_cpufreq_calcdivs, + .calc_freqtable = s3c2440_cpufreq_calctable, + + .resume_clocks = s3c244x_setup_clocks, + + .debug_io_show = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs), +}; + +static int s3c2440_cpufreq_add(struct device *dev, + struct subsys_interface *sif) +{ + xtal = s3c_cpufreq_clk_get(NULL, "xtal"); + hclk = s3c_cpufreq_clk_get(NULL, "hclk"); + fclk = s3c_cpufreq_clk_get(NULL, "fclk"); + armclk = s3c_cpufreq_clk_get(NULL, "armclk"); + + if (IS_ERR(xtal) || IS_ERR(hclk) || IS_ERR(fclk) || IS_ERR(armclk)) { + printk(KERN_ERR "%s: failed to get clocks\n", __func__); + return -ENOENT; + } + + return s3c_cpufreq_register(&s3c2440_cpufreq_info); +} + +static struct subsys_interface s3c2440_cpufreq_interface = { + .name = "s3c2440_cpufreq", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_cpufreq_add, +}; + +static int s3c2440_cpufreq_init(void) +{ + return subsys_interface_register(&s3c2440_cpufreq_interface); +} + +/* arch_initcall adds the clocks we need, so use subsys_initcall. */ +subsys_initcall(s3c2440_cpufreq_init); + +static struct subsys_interface s3c2442_cpufreq_interface = { + .name = "s3c2442_cpufreq", + .subsys = &s3c2442_subsys, + .add_dev = s3c2440_cpufreq_add, +}; + +static int s3c2442_cpufreq_init(void) +{ + return subsys_interface_register(&s3c2442_cpufreq_interface); +} +subsys_initcall(s3c2442_cpufreq_init); diff --git a/arch/arm/mach-s3c24xx/cpufreq-utils.c b/arch/arm/mach-s3c24xx/cpufreq-utils.c new file mode 100644 index 000000000000..ddd8280e3875 --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq-utils.c @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling - utils for S3C2410/S3C2440/S3C2442 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/cpufreq.h> +#include <linux/io.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> + +#include <plat/cpu-freq-core.h> + +#include "regs-mem.h" + +/** + * s3c2410_cpufreq_setrefresh - set SDRAM refresh value + * @cfg: The frequency configuration + * + * Set the SDRAM refresh value appropriately for the configured + * frequency. + */ +void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + struct s3c_cpufreq_board *board = cfg->board; + unsigned long refresh; + unsigned long refval; + + /* Reduce both the refresh time (in ns) and the frequency (in MHz) + * down to ensure that we do not overflow 32 bit numbers. + * + * This should work for HCLK up to 133MHz and refresh period up + * to 30usec. + */ + + refresh = (cfg->freq.hclk / 100) * (board->refresh / 10); + refresh = DIV_ROUND_UP(refresh, (1000 * 1000)); /* apply scale */ + refresh = (1 << 11) + 1 - refresh; + + s3c_freq_dbg("%s: refresh value %lu\n", __func__, refresh); + + refval = __raw_readl(S3C2410_REFRESH); + refval &= ~((1 << 12) - 1); + refval |= refresh; + __raw_writel(refval, S3C2410_REFRESH); +} + +/** + * s3c2410_set_fvco - set the PLL value + * @cfg: The frequency configuration + */ +void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg) +{ + __raw_writel(cfg->pll.index, S3C2410_MPLLCON); +} diff --git a/arch/arm/mach-s3c24xx/cpufreq.c b/arch/arm/mach-s3c24xx/cpufreq.c new file mode 100644 index 000000000000..5f181e733eee --- /dev/null +++ b/arch/arm/mach-s3c24xx/cpufreq.c @@ -0,0 +1,715 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/cpu.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/device.h> +#include <linux/sysfs.h> +#include <linux/slab.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <plat/cpu.h> +#include <plat/clock.h> +#include <plat/cpu-freq-core.h> + +#include <mach/regs-clock.h> + +/* note, cpufreq support deals in kHz, no Hz */ + +static struct cpufreq_driver s3c24xx_driver; +static struct s3c_cpufreq_config cpu_cur; +static struct s3c_iotimings s3c24xx_iotiming; +static struct cpufreq_frequency_table *pll_reg; +static unsigned int last_target = ~0; +static unsigned int ftab_size; +static struct cpufreq_frequency_table *ftab; + +static struct clk *_clk_mpll; +static struct clk *_clk_xtal; +static struct clk *clk_fclk; +static struct clk *clk_hclk; +static struct clk *clk_pclk; +static struct clk *clk_arm; + +#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS +struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void) +{ + return &cpu_cur; +} + +struct s3c_iotimings *s3c_cpufreq_getiotimings(void) +{ + return &s3c24xx_iotiming; +} +#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUGFS */ + +static void s3c_cpufreq_getcur(struct s3c_cpufreq_config *cfg) +{ + unsigned long fclk, pclk, hclk, armclk; + + cfg->freq.fclk = fclk = clk_get_rate(clk_fclk); + cfg->freq.hclk = hclk = clk_get_rate(clk_hclk); + cfg->freq.pclk = pclk = clk_get_rate(clk_pclk); + cfg->freq.armclk = armclk = clk_get_rate(clk_arm); + + cfg->pll.index = __raw_readl(S3C2410_MPLLCON); + cfg->pll.frequency = fclk; + + cfg->freq.hclk_tns = 1000000000 / (cfg->freq.hclk / 10); + + cfg->divs.h_divisor = fclk / hclk; + cfg->divs.p_divisor = fclk / pclk; +} + +static inline void s3c_cpufreq_calc(struct s3c_cpufreq_config *cfg) +{ + unsigned long pll = cfg->pll.frequency; + + cfg->freq.fclk = pll; + cfg->freq.hclk = pll / cfg->divs.h_divisor; + cfg->freq.pclk = pll / cfg->divs.p_divisor; + + /* convert hclk into 10ths of nanoseconds for io calcs */ + cfg->freq.hclk_tns = 1000000000 / (cfg->freq.hclk / 10); +} + +static inline int closer(unsigned int target, unsigned int n, unsigned int c) +{ + int diff_cur = abs(target - c); + int diff_new = abs(target - n); + + return (diff_new < diff_cur); +} + +static void s3c_cpufreq_show(const char *pfx, + struct s3c_cpufreq_config *cfg) +{ + s3c_freq_dbg("%s: Fvco=%u, F=%lu, A=%lu, H=%lu (%u), P=%lu (%u)\n", + pfx, cfg->pll.frequency, cfg->freq.fclk, cfg->freq.armclk, + cfg->freq.hclk, cfg->divs.h_divisor, + cfg->freq.pclk, cfg->divs.p_divisor); +} + +/* functions to wrapper the driver info calls to do the cpu specific work */ + +static void s3c_cpufreq_setio(struct s3c_cpufreq_config *cfg) +{ + if (cfg->info->set_iotiming) + (cfg->info->set_iotiming)(cfg, &s3c24xx_iotiming); +} + +static int s3c_cpufreq_calcio(struct s3c_cpufreq_config *cfg) +{ + if (cfg->info->calc_iotiming) + return (cfg->info->calc_iotiming)(cfg, &s3c24xx_iotiming); + + return 0; +} + +static void s3c_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + (cfg->info->set_refresh)(cfg); +} + +static void s3c_cpufreq_setdivs(struct s3c_cpufreq_config *cfg) +{ + (cfg->info->set_divs)(cfg); +} + +static int s3c_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg) +{ + return (cfg->info->calc_divs)(cfg); +} + +static void s3c_cpufreq_setfvco(struct s3c_cpufreq_config *cfg) +{ + (cfg->info->set_fvco)(cfg); +} + +static inline void s3c_cpufreq_resume_clocks(void) +{ + cpu_cur.info->resume_clocks(); +} + +static inline void s3c_cpufreq_updateclk(struct clk *clk, + unsigned int freq) +{ + clk_set_rate(clk, freq); +} + +static int s3c_cpufreq_settarget(struct cpufreq_policy *policy, + unsigned int target_freq, + struct cpufreq_frequency_table *pll) +{ + struct s3c_cpufreq_freqs freqs; + struct s3c_cpufreq_config cpu_new; + unsigned long flags; + + cpu_new = cpu_cur; /* copy new from current */ + + s3c_cpufreq_show("cur", &cpu_cur); + + /* TODO - check for DMA currently outstanding */ + + cpu_new.pll = pll ? *pll : cpu_cur.pll; + + if (pll) + freqs.pll_changing = 1; + + /* update our frequencies */ + + cpu_new.freq.armclk = target_freq; + cpu_new.freq.fclk = cpu_new.pll.frequency; + + if (s3c_cpufreq_calcdivs(&cpu_new) < 0) { + printk(KERN_ERR "no divisors for %d\n", target_freq); + goto err_notpossible; + } + + s3c_freq_dbg("%s: got divs\n", __func__); + + s3c_cpufreq_calc(&cpu_new); + + s3c_freq_dbg("%s: calculated frequencies for new\n", __func__); + + if (cpu_new.freq.hclk != cpu_cur.freq.hclk) { + if (s3c_cpufreq_calcio(&cpu_new) < 0) { + printk(KERN_ERR "%s: no IO timings\n", __func__); + goto err_notpossible; + } + } + + s3c_cpufreq_show("new", &cpu_new); + + /* setup our cpufreq parameters */ + + freqs.old = cpu_cur.freq; + freqs.new = cpu_new.freq; + + freqs.freqs.cpu = 0; + freqs.freqs.old = cpu_cur.freq.armclk / 1000; + freqs.freqs.new = cpu_new.freq.armclk / 1000; + + /* update f/h/p clock settings before we issue the change + * notification, so that drivers do not need to do anything + * special if they want to recalculate on CPUFREQ_PRECHANGE. */ + + s3c_cpufreq_updateclk(_clk_mpll, cpu_new.pll.frequency); + s3c_cpufreq_updateclk(clk_fclk, cpu_new.freq.fclk); + s3c_cpufreq_updateclk(clk_hclk, cpu_new.freq.hclk); + s3c_cpufreq_updateclk(clk_pclk, cpu_new.freq.pclk); + + /* start the frequency change */ + + if (policy) + cpufreq_notify_transition(&freqs.freqs, CPUFREQ_PRECHANGE); + + /* If hclk is staying the same, then we do not need to + * re-write the IO or the refresh timings whilst we are changing + * speed. */ + + local_irq_save(flags); + + /* is our memory clock slowing down? */ + if (cpu_new.freq.hclk < cpu_cur.freq.hclk) { + s3c_cpufreq_setrefresh(&cpu_new); + s3c_cpufreq_setio(&cpu_new); + } + + if (cpu_new.freq.fclk == cpu_cur.freq.fclk) { + /* not changing PLL, just set the divisors */ + + s3c_cpufreq_setdivs(&cpu_new); + } else { + if (cpu_new.freq.fclk < cpu_cur.freq.fclk) { + /* slow the cpu down, then set divisors */ + + s3c_cpufreq_setfvco(&cpu_new); + s3c_cpufreq_setdivs(&cpu_new); + } else { + /* set the divisors, then speed up */ + + s3c_cpufreq_setdivs(&cpu_new); + s3c_cpufreq_setfvco(&cpu_new); + } + } + + /* did our memory clock speed up */ + if (cpu_new.freq.hclk > cpu_cur.freq.hclk) { + s3c_cpufreq_setrefresh(&cpu_new); + s3c_cpufreq_setio(&cpu_new); + } + + /* update our current settings */ + cpu_cur = cpu_new; + + local_irq_restore(flags); + + /* notify everyone we've done this */ + if (policy) + cpufreq_notify_transition(&freqs.freqs, CPUFREQ_POSTCHANGE); + + s3c_freq_dbg("%s: finished\n", __func__); + return 0; + + err_notpossible: + printk(KERN_ERR "no compatible settings for %d\n", target_freq); + return -EINVAL; +} + +/* s3c_cpufreq_target + * + * called by the cpufreq core to adjust the frequency that the CPU + * is currently running at. + */ + +static int s3c_cpufreq_target(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + struct cpufreq_frequency_table *pll; + unsigned int index; + + /* avoid repeated calls which cause a needless amout of duplicated + * logging output (and CPU time as the calculation process is + * done) */ + if (target_freq == last_target) + return 0; + + last_target = target_freq; + + s3c_freq_dbg("%s: policy %p, target %u, relation %u\n", + __func__, policy, target_freq, relation); + + if (ftab) { + if (cpufreq_frequency_table_target(policy, ftab, + target_freq, relation, + &index)) { + s3c_freq_dbg("%s: table failed\n", __func__); + return -EINVAL; + } + + s3c_freq_dbg("%s: adjust %d to entry %d (%u)\n", __func__, + target_freq, index, ftab[index].frequency); + target_freq = ftab[index].frequency; + } + + target_freq *= 1000; /* convert target to Hz */ + + /* find the settings for our new frequency */ + + if (!pll_reg || cpu_cur.lock_pll) { + /* either we've not got any PLL values, or we've locked + * to the current one. */ + pll = NULL; + } else { + struct cpufreq_policy tmp_policy; + int ret; + + /* we keep the cpu pll table in Hz, to ensure we get an + * accurate value for the PLL output. */ + + tmp_policy.min = policy->min * 1000; + tmp_policy.max = policy->max * 1000; + tmp_policy.cpu = policy->cpu; + + /* cpufreq_frequency_table_target uses a pointer to 'index' + * which is the number of the table entry, not the value of + * the table entry's index field. */ + + ret = cpufreq_frequency_table_target(&tmp_policy, pll_reg, + target_freq, relation, + &index); + + if (ret < 0) { + printk(KERN_ERR "%s: no PLL available\n", __func__); + goto err_notpossible; + } + + pll = pll_reg + index; + + s3c_freq_dbg("%s: target %u => %u\n", + __func__, target_freq, pll->frequency); + + target_freq = pll->frequency; + } + + return s3c_cpufreq_settarget(policy, target_freq, pll); + + err_notpossible: + printk(KERN_ERR "no compatible settings for %d\n", target_freq); + return -EINVAL; +} + +static unsigned int s3c_cpufreq_get(unsigned int cpu) +{ + return clk_get_rate(clk_arm) / 1000; +} + +struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name) +{ + struct clk *clk; + + clk = clk_get(dev, name); + if (IS_ERR(clk)) + printk(KERN_ERR "cpufreq: failed to get clock '%s'\n", name); + + return clk; +} + +static int s3c_cpufreq_init(struct cpufreq_policy *policy) +{ + printk(KERN_INFO "%s: initialising policy %p\n", __func__, policy); + + if (policy->cpu != 0) + return -EINVAL; + + policy->cur = s3c_cpufreq_get(0); + policy->min = policy->cpuinfo.min_freq = 0; + policy->max = policy->cpuinfo.max_freq = cpu_cur.info->max.fclk / 1000; + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + + /* feed the latency information from the cpu driver */ + policy->cpuinfo.transition_latency = cpu_cur.info->latency; + + if (ftab) + cpufreq_frequency_table_cpuinfo(policy, ftab); + + return 0; +} + +static __init int s3c_cpufreq_initclks(void) +{ + _clk_mpll = s3c_cpufreq_clk_get(NULL, "mpll"); + _clk_xtal = s3c_cpufreq_clk_get(NULL, "xtal"); + clk_fclk = s3c_cpufreq_clk_get(NULL, "fclk"); + clk_hclk = s3c_cpufreq_clk_get(NULL, "hclk"); + clk_pclk = s3c_cpufreq_clk_get(NULL, "pclk"); + clk_arm = s3c_cpufreq_clk_get(NULL, "armclk"); + + if (IS_ERR(clk_fclk) || IS_ERR(clk_hclk) || IS_ERR(clk_pclk) || + IS_ERR(_clk_mpll) || IS_ERR(clk_arm) || IS_ERR(_clk_xtal)) { + printk(KERN_ERR "%s: could not get clock(s)\n", __func__); + return -ENOENT; + } + + printk(KERN_INFO "%s: clocks f=%lu,h=%lu,p=%lu,a=%lu\n", __func__, + clk_get_rate(clk_fclk) / 1000, + clk_get_rate(clk_hclk) / 1000, + clk_get_rate(clk_pclk) / 1000, + clk_get_rate(clk_arm) / 1000); + + return 0; +} + +static int s3c_cpufreq_verify(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -EINVAL; + + return 0; +} + +#ifdef CONFIG_PM +static struct cpufreq_frequency_table suspend_pll; +static unsigned int suspend_freq; + +static int s3c_cpufreq_suspend(struct cpufreq_policy *policy) +{ + suspend_pll.frequency = clk_get_rate(_clk_mpll); + suspend_pll.index = __raw_readl(S3C2410_MPLLCON); + suspend_freq = s3c_cpufreq_get(0) * 1000; + + return 0; +} + +static int s3c_cpufreq_resume(struct cpufreq_policy *policy) +{ + int ret; + + s3c_freq_dbg("%s: resuming with policy %p\n", __func__, policy); + + last_target = ~0; /* invalidate last_target setting */ + + /* first, find out what speed we resumed at. */ + s3c_cpufreq_resume_clocks(); + + /* whilst we will be called later on, we try and re-set the + * cpu frequencies as soon as possible so that we do not end + * up resuming devices and then immediately having to re-set + * a number of settings once these devices have restarted. + * + * as a note, it is expected devices are not used until they + * have been un-suspended and at that time they should have + * used the updated clock settings. + */ + + ret = s3c_cpufreq_settarget(NULL, suspend_freq, &suspend_pll); + if (ret) { + printk(KERN_ERR "%s: failed to reset pll/freq\n", __func__); + return ret; + } + + return 0; +} +#else +#define s3c_cpufreq_resume NULL +#define s3c_cpufreq_suspend NULL +#endif + +static struct cpufreq_driver s3c24xx_driver = { + .flags = CPUFREQ_STICKY, + .verify = s3c_cpufreq_verify, + .target = s3c_cpufreq_target, + .get = s3c_cpufreq_get, + .init = s3c_cpufreq_init, + .suspend = s3c_cpufreq_suspend, + .resume = s3c_cpufreq_resume, + .name = "s3c24xx", +}; + + +int __init s3c_cpufreq_register(struct s3c_cpufreq_info *info) +{ + if (!info || !info->name) { + printk(KERN_ERR "%s: failed to pass valid information\n", + __func__); + return -EINVAL; + } + + printk(KERN_INFO "S3C24XX CPU Frequency driver, %s cpu support\n", + info->name); + + /* check our driver info has valid data */ + + BUG_ON(info->set_refresh == NULL); + BUG_ON(info->set_divs == NULL); + BUG_ON(info->calc_divs == NULL); + + /* info->set_fvco is optional, depending on whether there + * is a need to set the clock code. */ + + cpu_cur.info = info; + + /* Note, driver registering should probably update locktime */ + + return 0; +} + +int __init s3c_cpufreq_setboard(struct s3c_cpufreq_board *board) +{ + struct s3c_cpufreq_board *ours; + + if (!board) { + printk(KERN_INFO "%s: no board data\n", __func__); + return -EINVAL; + } + + /* Copy the board information so that each board can make this + * initdata. */ + + ours = kzalloc(sizeof(struct s3c_cpufreq_board), GFP_KERNEL); + if (ours == NULL) { + printk(KERN_ERR "%s: no memory\n", __func__); + return -ENOMEM; + } + + *ours = *board; + cpu_cur.board = ours; + + return 0; +} + +int __init s3c_cpufreq_auto_io(void) +{ + int ret; + + if (!cpu_cur.info->get_iotiming) { + printk(KERN_ERR "%s: get_iotiming undefined\n", __func__); + return -ENOENT; + } + + printk(KERN_INFO "%s: working out IO settings\n", __func__); + + ret = (cpu_cur.info->get_iotiming)(&cpu_cur, &s3c24xx_iotiming); + if (ret) + printk(KERN_ERR "%s: failed to get timings\n", __func__); + + return ret; +} + +/* if one or is zero, then return the other, otherwise return the min */ +#define do_min(_a, _b) ((_a) == 0 ? (_b) : (_b) == 0 ? (_a) : min(_a, _b)) + +/** + * s3c_cpufreq_freq_min - find the minimum settings for the given freq. + * @dst: The destination structure + * @a: One argument. + * @b: The other argument. + * + * Create a minimum of each frequency entry in the 'struct s3c_freq', + * unless the entry is zero when it is ignored and the non-zero argument + * used. + */ +static void s3c_cpufreq_freq_min(struct s3c_freq *dst, + struct s3c_freq *a, struct s3c_freq *b) +{ + dst->fclk = do_min(a->fclk, b->fclk); + dst->hclk = do_min(a->hclk, b->hclk); + dst->pclk = do_min(a->pclk, b->pclk); + dst->armclk = do_min(a->armclk, b->armclk); +} + +static inline u32 calc_locktime(u32 freq, u32 time_us) +{ + u32 result; + + result = freq * time_us; + result = DIV_ROUND_UP(result, 1000 * 1000); + + return result; +} + +static void s3c_cpufreq_update_loctkime(void) +{ + unsigned int bits = cpu_cur.info->locktime_bits; + u32 rate = (u32)clk_get_rate(_clk_xtal); + u32 val; + + if (bits == 0) { + WARN_ON(1); + return; + } + + val = calc_locktime(rate, cpu_cur.info->locktime_u) << bits; + val |= calc_locktime(rate, cpu_cur.info->locktime_m); + + printk(KERN_INFO "%s: new locktime is 0x%08x\n", __func__, val); + __raw_writel(val, S3C2410_LOCKTIME); +} + +static int s3c_cpufreq_build_freq(void) +{ + int size, ret; + + if (!cpu_cur.info->calc_freqtable) + return -EINVAL; + + kfree(ftab); + ftab = NULL; + + size = cpu_cur.info->calc_freqtable(&cpu_cur, NULL, 0); + size++; + + ftab = kmalloc(sizeof(struct cpufreq_frequency_table) * size, GFP_KERNEL); + if (!ftab) { + printk(KERN_ERR "%s: no memory for tables\n", __func__); + return -ENOMEM; + } + + ftab_size = size; + + ret = cpu_cur.info->calc_freqtable(&cpu_cur, ftab, size); + s3c_cpufreq_addfreq(ftab, ret, size, CPUFREQ_TABLE_END); + + return 0; +} + +static int __init s3c_cpufreq_initcall(void) +{ + int ret = 0; + + if (cpu_cur.info && cpu_cur.board) { + ret = s3c_cpufreq_initclks(); + if (ret) + goto out; + + /* get current settings */ + s3c_cpufreq_getcur(&cpu_cur); + s3c_cpufreq_show("cur", &cpu_cur); + + if (cpu_cur.board->auto_io) { + ret = s3c_cpufreq_auto_io(); + if (ret) { + printk(KERN_ERR "%s: failed to get io timing\n", + __func__); + goto out; + } + } + + if (cpu_cur.board->need_io && !cpu_cur.info->set_iotiming) { + printk(KERN_ERR "%s: no IO support registered\n", + __func__); + ret = -EINVAL; + goto out; + } + + if (!cpu_cur.info->need_pll) + cpu_cur.lock_pll = 1; + + s3c_cpufreq_update_loctkime(); + + s3c_cpufreq_freq_min(&cpu_cur.max, &cpu_cur.board->max, + &cpu_cur.info->max); + + if (cpu_cur.info->calc_freqtable) + s3c_cpufreq_build_freq(); + + ret = cpufreq_register_driver(&s3c24xx_driver); + } + + out: + return ret; +} + +late_initcall(s3c_cpufreq_initcall); + +/** + * s3c_plltab_register - register CPU PLL table. + * @plls: The list of PLL entries. + * @plls_no: The size of the PLL entries @plls. + * + * Register the given set of PLLs with the system. + */ +int __init s3c_plltab_register(struct cpufreq_frequency_table *plls, + unsigned int plls_no) +{ + struct cpufreq_frequency_table *vals; + unsigned int size; + + size = sizeof(struct cpufreq_frequency_table) * (plls_no + 1); + + vals = kmalloc(size, GFP_KERNEL); + if (vals) { + memcpy(vals, plls, size); + pll_reg = vals; + + /* write a terminating entry, we don't store it in the + * table that is stored in the kernel */ + vals += plls_no; + vals->frequency = CPUFREQ_TABLE_END; + + printk(KERN_INFO "cpufreq: %d PLL entries\n", plls_no); + } else + printk(KERN_ERR "cpufreq: no memory for PLL tables\n"); + + return vals ? 0 : -ENOMEM; +} diff --git a/arch/arm/mach-s3c24xx/dma-s3c2410.c b/arch/arm/mach-s3c24xx/dma-s3c2410.c index 4803338cf56e..25d085adc93c 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2410.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2410.c @@ -27,7 +27,6 @@ #include <mach/regs-gpio.h> #include <plat/regs-ac97.h> #include <plat/regs-dma.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/regs-sdi.h> #include <plat/regs-iis.h> diff --git a/arch/arm/mach-s3c24xx/dma-s3c2412.c b/arch/arm/mach-s3c24xx/dma-s3c2412.c index 38472ac920ff..d2408ba372cb 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2412.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2412.c @@ -27,7 +27,6 @@ #include <mach/regs-gpio.h> #include <plat/regs-ac97.h> #include <plat/regs-dma.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/regs-sdi.h> #include <plat/regs-iis.h> diff --git a/arch/arm/mach-s3c24xx/dma-s3c2440.c b/arch/arm/mach-s3c24xx/dma-s3c2440.c index 5f0a0c8ef84f..0b86e74d104f 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2440.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2440.c @@ -27,7 +27,6 @@ #include <mach/regs-gpio.h> #include <plat/regs-ac97.h> #include <plat/regs-dma.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/regs-sdi.h> #include <plat/regs-iis.h> diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c index 2d94228d2866..05536254a3f8 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2443.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2443.c @@ -27,7 +27,6 @@ #include <mach/regs-gpio.h> #include <plat/regs-ac97.h> #include <plat/regs-dma.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/regs-sdi.h> #include <plat/regs-iis.h> diff --git a/arch/arm/mach-s3c24xx/dma.c b/arch/arm/mach-s3c24xx/dma.c new file mode 100644 index 000000000000..aab64909e9a3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/dma.c @@ -0,0 +1,1468 @@ +/* + * Copyright 2003-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 DMA core + * + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + + +#ifdef CONFIG_S3C2410_DMA_DEBUG +#define DEBUG +#endif + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/syscore_ops.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/io.h> + +#include <asm/irq.h> +#include <mach/hardware.h> +#include <mach/dma.h> +#include <mach/map.h> + +#include <plat/dma-s3c24xx.h> +#include <plat/regs-dma.h> + +/* io map for dma */ +static void __iomem *dma_base; +static struct kmem_cache *dma_kmem; + +static int dma_channels; + +static struct s3c24xx_dma_selection dma_sel; + + +/* debugging functions */ + +#define BUF_MAGIC (0xcafebabe) + +#define dmawarn(fmt...) printk(KERN_DEBUG fmt) + +#define dma_regaddr(chan, reg) ((chan)->regs + (reg)) + +#if 1 +#define dma_wrreg(chan, reg, val) writel((val), (chan)->regs + (reg)) +#else +static inline void +dma_wrreg(struct s3c2410_dma_chan *chan, int reg, unsigned long val) +{ + pr_debug("writing %08x to register %08x\n",(unsigned int)val,reg); + writel(val, dma_regaddr(chan, reg)); +} +#endif + +#define dma_rdreg(chan, reg) readl((chan)->regs + (reg)) + +/* captured register state for debug */ + +struct s3c2410_dma_regstate { + unsigned long dcsrc; + unsigned long disrc; + unsigned long dstat; + unsigned long dcon; + unsigned long dmsktrig; +}; + +#ifdef CONFIG_S3C2410_DMA_DEBUG + +/* dmadbg_showregs + * + * simple debug routine to print the current state of the dma registers +*/ + +static void +dmadbg_capture(struct s3c2410_dma_chan *chan, struct s3c2410_dma_regstate *regs) +{ + regs->dcsrc = dma_rdreg(chan, S3C2410_DMA_DCSRC); + regs->disrc = dma_rdreg(chan, S3C2410_DMA_DISRC); + regs->dstat = dma_rdreg(chan, S3C2410_DMA_DSTAT); + regs->dcon = dma_rdreg(chan, S3C2410_DMA_DCON); + regs->dmsktrig = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); +} + +static void +dmadbg_dumpregs(const char *fname, int line, struct s3c2410_dma_chan *chan, + struct s3c2410_dma_regstate *regs) +{ + printk(KERN_DEBUG "dma%d: %s:%d: DCSRC=%08lx, DISRC=%08lx, DSTAT=%08lx DMT=%02lx, DCON=%08lx\n", + chan->number, fname, line, + regs->dcsrc, regs->disrc, regs->dstat, regs->dmsktrig, + regs->dcon); +} + +static void +dmadbg_showchan(const char *fname, int line, struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_regstate state; + + dmadbg_capture(chan, &state); + + printk(KERN_DEBUG "dma%d: %s:%d: ls=%d, cur=%p, %p %p\n", + chan->number, fname, line, chan->load_state, + chan->curr, chan->next, chan->end); + + dmadbg_dumpregs(fname, line, chan, &state); +} + +static void +dmadbg_showregs(const char *fname, int line, struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_regstate state; + + dmadbg_capture(chan, &state); + dmadbg_dumpregs(fname, line, chan, &state); +} + +#define dbg_showregs(chan) dmadbg_showregs(__func__, __LINE__, (chan)) +#define dbg_showchan(chan) dmadbg_showchan(__func__, __LINE__, (chan)) +#else +#define dbg_showregs(chan) do { } while(0) +#define dbg_showchan(chan) do { } while(0) +#endif /* CONFIG_S3C2410_DMA_DEBUG */ + +/* s3c2410_dma_stats_timeout + * + * Update DMA stats from timeout info +*/ + +static void +s3c2410_dma_stats_timeout(struct s3c2410_dma_stats *stats, int val) +{ + if (stats == NULL) + return; + + if (val > stats->timeout_longest) + stats->timeout_longest = val; + if (val < stats->timeout_shortest) + stats->timeout_shortest = val; + + stats->timeout_avg += val; +} + +/* s3c2410_dma_waitforload + * + * wait for the DMA engine to load a buffer, and update the state accordingly +*/ + +static int +s3c2410_dma_waitforload(struct s3c2410_dma_chan *chan, int line) +{ + int timeout = chan->load_timeout; + int took; + + if (chan->load_state != S3C2410_DMALOAD_1LOADED) { + printk(KERN_ERR "dma%d: s3c2410_dma_waitforload() called in loadstate %d from line %d\n", chan->number, chan->load_state, line); + return 0; + } + + if (chan->stats != NULL) + chan->stats->loads++; + + while (--timeout > 0) { + if ((dma_rdreg(chan, S3C2410_DMA_DSTAT) << (32-20)) != 0) { + took = chan->load_timeout - timeout; + + s3c2410_dma_stats_timeout(chan->stats, took); + + switch (chan->load_state) { + case S3C2410_DMALOAD_1LOADED: + chan->load_state = S3C2410_DMALOAD_1RUNNING; + break; + + default: + printk(KERN_ERR "dma%d: unknown load_state in s3c2410_dma_waitforload() %d\n", chan->number, chan->load_state); + } + + return 1; + } + } + + if (chan->stats != NULL) { + chan->stats->timeout_failed++; + } + + return 0; +} + +/* s3c2410_dma_loadbuffer + * + * load a buffer, and update the channel state +*/ + +static inline int +s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, + struct s3c2410_dma_buf *buf) +{ + unsigned long reload; + + if (buf == NULL) { + dmawarn("buffer is NULL\n"); + return -EINVAL; + } + + pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", + buf, (unsigned long)buf->data, buf->size); + + /* check the state of the channel before we do anything */ + + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + dmawarn("load_state is S3C2410_DMALOAD_1LOADED\n"); + } + + if (chan->load_state == S3C2410_DMALOAD_1LOADED_1RUNNING) { + dmawarn("state is S3C2410_DMALOAD_1LOADED_1RUNNING\n"); + } + + /* it would seem sensible if we are the last buffer to not bother + * with the auto-reload bit, so that the DMA engine will not try + * and load another transfer after this one has finished... + */ + if (chan->load_state == S3C2410_DMALOAD_NONE) { + pr_debug("load_state is none, checking for noreload (next=%p)\n", + buf->next); + reload = (buf->next == NULL) ? S3C2410_DCON_NORELOAD : 0; + } else { + //pr_debug("load_state is %d => autoreload\n", chan->load_state); + reload = S3C2410_DCON_AUTORELOAD; + } + + if ((buf->data & 0xf0000000) != 0x30000000) { + dmawarn("dmaload: buffer is %p\n", (void *)buf->data); + } + + writel(buf->data, chan->addr_reg); + + dma_wrreg(chan, S3C2410_DMA_DCON, + chan->dcon | reload | (buf->size/chan->xfer_unit)); + + chan->next = buf->next; + + /* update the state of the channel */ + + switch (chan->load_state) { + case S3C2410_DMALOAD_NONE: + chan->load_state = S3C2410_DMALOAD_1LOADED; + break; + + case S3C2410_DMALOAD_1RUNNING: + chan->load_state = S3C2410_DMALOAD_1LOADED_1RUNNING; + break; + + default: + dmawarn("dmaload: unknown state %d in loadbuffer\n", + chan->load_state); + break; + } + + return 0; +} + +/* s3c2410_dma_call_op + * + * small routine to call the op routine with the given op if it has been + * registered +*/ + +static void +s3c2410_dma_call_op(struct s3c2410_dma_chan *chan, enum s3c2410_chan_op op) +{ + if (chan->op_fn != NULL) { + (chan->op_fn)(chan, op); + } +} + +/* s3c2410_dma_buffdone + * + * small wrapper to check if callback routine needs to be called, and + * if so, call it +*/ + +static inline void +s3c2410_dma_buffdone(struct s3c2410_dma_chan *chan, struct s3c2410_dma_buf *buf, + enum s3c2410_dma_buffresult result) +{ +#if 0 + pr_debug("callback_fn=%p, buf=%p, id=%p, size=%d, result=%d\n", + chan->callback_fn, buf, buf->id, buf->size, result); +#endif + + if (chan->callback_fn != NULL) { + (chan->callback_fn)(chan, buf->id, buf->size, result); + } +} + +/* s3c2410_dma_start + * + * start a dma channel going +*/ + +static int s3c2410_dma_start(struct s3c2410_dma_chan *chan) +{ + unsigned long tmp; + unsigned long flags; + + pr_debug("s3c2410_start_dma: channel=%d\n", chan->number); + + local_irq_save(flags); + + if (chan->state == S3C2410_DMA_RUNNING) { + pr_debug("s3c2410_start_dma: already running (%d)\n", chan->state); + local_irq_restore(flags); + return 0; + } + + chan->state = S3C2410_DMA_RUNNING; + + /* check whether there is anything to load, and if not, see + * if we can find anything to load + */ + + if (chan->load_state == S3C2410_DMALOAD_NONE) { + if (chan->next == NULL) { + printk(KERN_ERR "dma%d: channel has nothing loaded\n", + chan->number); + chan->state = S3C2410_DMA_IDLE; + local_irq_restore(flags); + return -EINVAL; + } + + s3c2410_dma_loadbuffer(chan, chan->next); + } + + dbg_showchan(chan); + + /* enable the channel */ + + if (!chan->irq_enabled) { + enable_irq(chan->irq); + chan->irq_enabled = 1; + } + + /* start the channel going */ + + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + tmp &= ~S3C2410_DMASKTRIG_STOP; + tmp |= S3C2410_DMASKTRIG_ON; + dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp); + + pr_debug("dma%d: %08lx to DMASKTRIG\n", chan->number, tmp); + +#if 0 + /* the dma buffer loads should take care of clearing the AUTO + * reloading feature */ + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp &= ~S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); +#endif + + s3c2410_dma_call_op(chan, S3C2410_DMAOP_START); + + dbg_showchan(chan); + + /* if we've only loaded one buffer onto the channel, then chec + * to see if we have another, and if so, try and load it so when + * the first buffer is finished, the new one will be loaded onto + * the channel */ + + if (chan->next != NULL) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + pr_debug("%s: buff not yet loaded, no more todo\n", + __func__); + } else { + chan->load_state = S3C2410_DMALOAD_1RUNNING; + s3c2410_dma_loadbuffer(chan, chan->next); + } + + } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } + + + local_irq_restore(flags); + + return 0; +} + +/* s3c2410_dma_canload + * + * work out if we can queue another buffer into the DMA engine +*/ + +static int +s3c2410_dma_canload(struct s3c2410_dma_chan *chan) +{ + if (chan->load_state == S3C2410_DMALOAD_NONE || + chan->load_state == S3C2410_DMALOAD_1RUNNING) + return 1; + + return 0; +} + +/* s3c2410_dma_enqueue + * + * queue an given buffer for dma transfer. + * + * id the device driver's id information for this buffer + * data the physical address of the buffer data + * size the size of the buffer in bytes + * + * If the channel is not running, then the flag S3C2410_DMAF_AUTOSTART + * is checked, and if set, the channel is started. If this flag isn't set, + * then an error will be returned. + * + * It is possible to queue more than one DMA buffer onto a channel at + * once, and the code will deal with the re-loading of the next buffer + * when necessary. +*/ + +int s3c2410_dma_enqueue(enum dma_ch channel, void *id, + dma_addr_t data, int size) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + struct s3c2410_dma_buf *buf; + unsigned long flags; + + if (chan == NULL) + return -EINVAL; + + pr_debug("%s: id=%p, data=%08x, size=%d\n", + __func__, id, (unsigned int)data, size); + + buf = kmem_cache_alloc(dma_kmem, GFP_ATOMIC); + if (buf == NULL) { + pr_debug("%s: out of memory (%ld alloc)\n", + __func__, (long)sizeof(*buf)); + return -ENOMEM; + } + + //pr_debug("%s: new buffer %p\n", __func__, buf); + //dbg_showchan(chan); + + buf->next = NULL; + buf->data = buf->ptr = data; + buf->size = size; + buf->id = id; + buf->magic = BUF_MAGIC; + + local_irq_save(flags); + + if (chan->curr == NULL) { + /* we've got nothing loaded... */ + pr_debug("%s: buffer %p queued onto empty channel\n", + __func__, buf); + + chan->curr = buf; + chan->end = buf; + chan->next = NULL; + } else { + pr_debug("dma%d: %s: buffer %p queued onto non-empty channel\n", + chan->number, __func__, buf); + + if (chan->end == NULL) { + pr_debug("dma%d: %s: %p not empty, and chan->end==NULL?\n", + chan->number, __func__, chan); + } else { + chan->end->next = buf; + chan->end = buf; + } + } + + /* if necessary, update the next buffer field */ + if (chan->next == NULL) + chan->next = buf; + + /* check to see if we can load a buffer */ + if (chan->state == S3C2410_DMA_RUNNING) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED && 1) { + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + printk(KERN_ERR "dma%d: loadbuffer:" + "timeout loading buffer\n", + chan->number); + dbg_showchan(chan); + local_irq_restore(flags); + return -EINVAL; + } + } + + while (s3c2410_dma_canload(chan) && chan->next != NULL) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } else if (chan->state == S3C2410_DMA_IDLE) { + if (chan->flags & S3C2410_DMAF_AUTOSTART) { + s3c2410_dma_ctrl(chan->number | DMACH_LOW_LEVEL, + S3C2410_DMAOP_START); + } + } + + local_irq_restore(flags); + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_enqueue); + +static inline void +s3c2410_dma_freebuf(struct s3c2410_dma_buf *buf) +{ + int magicok = (buf->magic == BUF_MAGIC); + + buf->magic = -1; + + if (magicok) { + kmem_cache_free(dma_kmem, buf); + } else { + printk("s3c2410_dma_freebuf: buff %p with bad magic\n", buf); + } +} + +/* s3c2410_dma_lastxfer + * + * called when the system is out of buffers, to ensure that the channel + * is prepared for shutdown. +*/ + +static inline void +s3c2410_dma_lastxfer(struct s3c2410_dma_chan *chan) +{ +#if 0 + pr_debug("dma%d: s3c2410_dma_lastxfer: load_state %d\n", + chan->number, chan->load_state); +#endif + + switch (chan->load_state) { + case S3C2410_DMALOAD_NONE: + break; + + case S3C2410_DMALOAD_1LOADED: + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + /* flag error? */ + printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n", + chan->number, __func__); + return; + } + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + /* I believe in this case we do not have anything to do + * until the next buffer comes along, and we turn off the + * reload */ + return; + + default: + pr_debug("dma%d: lastxfer: unhandled load_state %d with no next\n", + chan->number, chan->load_state); + return; + + } + + /* hopefully this'll shut the damned thing up after the transfer... */ + dma_wrreg(chan, S3C2410_DMA_DCON, chan->dcon | S3C2410_DCON_NORELOAD); +} + + +#define dmadbg2(x...) + +static irqreturn_t +s3c2410_dma_irq(int irq, void *devpw) +{ + struct s3c2410_dma_chan *chan = (struct s3c2410_dma_chan *)devpw; + struct s3c2410_dma_buf *buf; + + buf = chan->curr; + + dbg_showchan(chan); + + /* modify the channel state */ + + switch (chan->load_state) { + case S3C2410_DMALOAD_1RUNNING: + /* TODO - if we are running only one buffer, we probably + * want to reload here, and then worry about the buffer + * callback */ + + chan->load_state = S3C2410_DMALOAD_NONE; + break; + + case S3C2410_DMALOAD_1LOADED: + /* iirc, we should go back to NONE loaded here, we + * had a buffer, and it was never verified as being + * loaded. + */ + + chan->load_state = S3C2410_DMALOAD_NONE; + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + /* we'll worry about checking to see if another buffer is + * ready after we've called back the owner. This should + * ensure we do not wait around too long for the DMA + * engine to start the next transfer + */ + + chan->load_state = S3C2410_DMALOAD_1LOADED; + break; + + case S3C2410_DMALOAD_NONE: + printk(KERN_ERR "dma%d: IRQ with no loaded buffer?\n", + chan->number); + break; + + default: + printk(KERN_ERR "dma%d: IRQ in invalid load_state %d\n", + chan->number, chan->load_state); + break; + } + + if (buf != NULL) { + /* update the chain to make sure that if we load any more + * buffers when we call the callback function, things should + * work properly */ + + chan->curr = buf->next; + buf->next = NULL; + + if (buf->magic != BUF_MAGIC) { + printk(KERN_ERR "dma%d: %s: buf %p incorrect magic\n", + chan->number, __func__, buf); + return IRQ_HANDLED; + } + + s3c2410_dma_buffdone(chan, buf, S3C2410_RES_OK); + + /* free resouces */ + s3c2410_dma_freebuf(buf); + } else { + } + + /* only reload if the channel is still running... our buffer done + * routine may have altered the state by requesting the dma channel + * to stop or shutdown... */ + + /* todo: check that when the channel is shut-down from inside this + * function, we cope with unsetting reload, etc */ + + if (chan->next != NULL && chan->state != S3C2410_DMA_IDLE) { + unsigned long flags; + + switch (chan->load_state) { + case S3C2410_DMALOAD_1RUNNING: + /* don't need to do anything for this state */ + break; + + case S3C2410_DMALOAD_NONE: + /* can load buffer immediately */ + break; + + case S3C2410_DMALOAD_1LOADED: + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + /* flag error? */ + printk(KERN_ERR "dma%d: timeout waiting for load (%s)\n", + chan->number, __func__); + return IRQ_HANDLED; + } + + break; + + case S3C2410_DMALOAD_1LOADED_1RUNNING: + goto no_load; + + default: + printk(KERN_ERR "dma%d: unknown load_state in irq, %d\n", + chan->number, chan->load_state); + return IRQ_HANDLED; + } + + local_irq_save(flags); + s3c2410_dma_loadbuffer(chan, chan->next); + local_irq_restore(flags); + } else { + s3c2410_dma_lastxfer(chan); + + /* see if we can stop this channel.. */ + if (chan->load_state == S3C2410_DMALOAD_NONE) { + pr_debug("dma%d: end of transfer, stopping channel (%ld)\n", + chan->number, jiffies); + s3c2410_dma_ctrl(chan->number | DMACH_LOW_LEVEL, + S3C2410_DMAOP_STOP); + } + } + + no_load: + return IRQ_HANDLED; +} + +static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel); + +/* s3c2410_request_dma + * + * get control of an dma channel +*/ + +int s3c2410_dma_request(enum dma_ch channel, + struct s3c2410_dma_client *client, + void *dev) +{ + struct s3c2410_dma_chan *chan; + unsigned long flags; + int err; + + pr_debug("dma%d: s3c2410_request_dma: client=%s, dev=%p\n", + channel, client->name, dev); + + local_irq_save(flags); + + chan = s3c2410_dma_map_channel(channel); + if (chan == NULL) { + local_irq_restore(flags); + return -EBUSY; + } + + dbg_showchan(chan); + + chan->client = client; + chan->in_use = 1; + + if (!chan->irq_claimed) { + pr_debug("dma%d: %s : requesting irq %d\n", + channel, __func__, chan->irq); + + chan->irq_claimed = 1; + local_irq_restore(flags); + + err = request_irq(chan->irq, s3c2410_dma_irq, IRQF_DISABLED, + client->name, (void *)chan); + + local_irq_save(flags); + + if (err) { + chan->in_use = 0; + chan->irq_claimed = 0; + local_irq_restore(flags); + + printk(KERN_ERR "%s: cannot get IRQ %d for DMA %d\n", + client->name, chan->irq, chan->number); + return err; + } + + chan->irq_enabled = 1; + } + + local_irq_restore(flags); + + /* need to setup */ + + pr_debug("%s: channel initialised, %p\n", __func__, chan); + + return chan->number | DMACH_LOW_LEVEL; +} + +EXPORT_SYMBOL(s3c2410_dma_request); + +/* s3c2410_dma_free + * + * release the given channel back to the system, will stop and flush + * any outstanding transfers, and ensure the channel is ready for the + * next claimant. + * + * Note, although a warning is currently printed if the freeing client + * info is not the same as the registrant's client info, the free is still + * allowed to go through. +*/ + +int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *client) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned long flags; + + if (chan == NULL) + return -EINVAL; + + local_irq_save(flags); + + if (chan->client != client) { + printk(KERN_WARNING "dma%d: possible free from different client (channel %p, passed %p)\n", + channel, chan->client, client); + } + + /* sort out stopping and freeing the channel */ + + if (chan->state != S3C2410_DMA_IDLE) { + pr_debug("%s: need to stop dma channel %p\n", + __func__, chan); + + /* possibly flush the channel */ + s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STOP); + } + + chan->client = NULL; + chan->in_use = 0; + + if (chan->irq_claimed) + free_irq(chan->irq, (void *)chan); + + chan->irq_claimed = 0; + + if (!(channel & DMACH_LOW_LEVEL)) + s3c_dma_chan_map[channel] = NULL; + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_free); + +static int s3c2410_dma_dostop(struct s3c2410_dma_chan *chan) +{ + unsigned long flags; + unsigned long tmp; + + pr_debug("%s:\n", __func__); + + dbg_showchan(chan); + + local_irq_save(flags); + + s3c2410_dma_call_op(chan, S3C2410_DMAOP_STOP); + + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + tmp |= S3C2410_DMASKTRIG_STOP; + //tmp &= ~S3C2410_DMASKTRIG_ON; + dma_wrreg(chan, S3C2410_DMA_DMASKTRIG, tmp); + +#if 0 + /* should also clear interrupts, according to WinCE BSP */ + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp |= S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); +#endif + + /* should stop do this, or should we wait for flush? */ + chan->state = S3C2410_DMA_IDLE; + chan->load_state = S3C2410_DMALOAD_NONE; + + local_irq_restore(flags); + + return 0; +} + +static void s3c2410_dma_waitforstop(struct s3c2410_dma_chan *chan) +{ + unsigned long tmp; + unsigned int timeout = 0x10000; + + while (timeout-- > 0) { + tmp = dma_rdreg(chan, S3C2410_DMA_DMASKTRIG); + + if (!(tmp & S3C2410_DMASKTRIG_ON)) + return; + } + + pr_debug("dma%d: failed to stop?\n", chan->number); +} + + +/* s3c2410_dma_flush + * + * stop the channel, and remove all current and pending transfers +*/ + +static int s3c2410_dma_flush(struct s3c2410_dma_chan *chan) +{ + struct s3c2410_dma_buf *buf, *next; + unsigned long flags; + + pr_debug("%s: chan %p (%d)\n", __func__, chan, chan->number); + + dbg_showchan(chan); + + local_irq_save(flags); + + if (chan->state != S3C2410_DMA_IDLE) { + pr_debug("%s: stopping channel...\n", __func__ ); + s3c2410_dma_ctrl(chan->number, S3C2410_DMAOP_STOP); + } + + buf = chan->curr; + if (buf == NULL) + buf = chan->next; + + chan->curr = chan->next = chan->end = NULL; + + if (buf != NULL) { + for ( ; buf != NULL; buf = next) { + next = buf->next; + + pr_debug("%s: free buffer %p, next %p\n", + __func__, buf, buf->next); + + s3c2410_dma_buffdone(chan, buf, S3C2410_RES_ABORT); + s3c2410_dma_freebuf(buf); + } + } + + dbg_showregs(chan); + + s3c2410_dma_waitforstop(chan); + +#if 0 + /* should also clear interrupts, according to WinCE BSP */ + { + unsigned long tmp; + + tmp = dma_rdreg(chan, S3C2410_DMA_DCON); + tmp |= S3C2410_DCON_NORELOAD; + dma_wrreg(chan, S3C2410_DMA_DCON, tmp); + } +#endif + + dbg_showregs(chan); + + local_irq_restore(flags); + + return 0; +} + +static int s3c2410_dma_started(struct s3c2410_dma_chan *chan) +{ + unsigned long flags; + + local_irq_save(flags); + + dbg_showchan(chan); + + /* if we've only loaded one buffer onto the channel, then chec + * to see if we have another, and if so, try and load it so when + * the first buffer is finished, the new one will be loaded onto + * the channel */ + + if (chan->next != NULL) { + if (chan->load_state == S3C2410_DMALOAD_1LOADED) { + + if (s3c2410_dma_waitforload(chan, __LINE__) == 0) { + pr_debug("%s: buff not yet loaded, no more todo\n", + __func__); + } else { + chan->load_state = S3C2410_DMALOAD_1RUNNING; + s3c2410_dma_loadbuffer(chan, chan->next); + } + + } else if (chan->load_state == S3C2410_DMALOAD_1RUNNING) { + s3c2410_dma_loadbuffer(chan, chan->next); + } + } + + + local_irq_restore(flags); + + return 0; + +} + +int +s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + if (chan == NULL) + return -EINVAL; + + switch (op) { + case S3C2410_DMAOP_START: + return s3c2410_dma_start(chan); + + case S3C2410_DMAOP_STOP: + return s3c2410_dma_dostop(chan); + + case S3C2410_DMAOP_PAUSE: + case S3C2410_DMAOP_RESUME: + return -ENOENT; + + case S3C2410_DMAOP_FLUSH: + return s3c2410_dma_flush(chan); + + case S3C2410_DMAOP_STARTED: + return s3c2410_dma_started(chan); + + case S3C2410_DMAOP_TIMEOUT: + return 0; + + } + + return -ENOENT; /* unknown, don't bother */ +} + +EXPORT_SYMBOL(s3c2410_dma_ctrl); + +/* DMA configuration for each channel + * + * DISRCC -> source of the DMA (AHB,APB) + * DISRC -> source address of the DMA + * DIDSTC -> destination of the DMA (AHB,APD) + * DIDST -> destination address of the DMA +*/ + +/* s3c2410_dma_config + * + * xfersize: size of unit in bytes (1,2,4) +*/ + +int s3c2410_dma_config(enum dma_ch channel, + int xferunit) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned int dcon; + + pr_debug("%s: chan=%d, xfer_unit=%d\n", __func__, channel, xferunit); + + if (chan == NULL) + return -EINVAL; + + dcon = chan->dcon & dma_sel.dcon_mask; + pr_debug("%s: dcon is %08x\n", __func__, dcon); + + switch (chan->req_ch) { + case DMACH_I2S_IN: + case DMACH_I2S_OUT: + case DMACH_PCM_IN: + case DMACH_PCM_OUT: + case DMACH_MIC_IN: + default: + dcon |= S3C2410_DCON_HANDSHAKE; + dcon |= S3C2410_DCON_SYNC_PCLK; + break; + + case DMACH_SDI: + /* note, ensure if need HANDSHAKE or not */ + dcon |= S3C2410_DCON_SYNC_PCLK; + break; + + case DMACH_XD0: + case DMACH_XD1: + dcon |= S3C2410_DCON_HANDSHAKE; + dcon |= S3C2410_DCON_SYNC_HCLK; + break; + } + + switch (xferunit) { + case 1: + dcon |= S3C2410_DCON_BYTE; + break; + + case 2: + dcon |= S3C2410_DCON_HALFWORD; + break; + + case 4: + dcon |= S3C2410_DCON_WORD; + break; + + default: + pr_debug("%s: bad transfer size %d\n", __func__, xferunit); + return -EINVAL; + } + + dcon |= S3C2410_DCON_HWTRIG; + dcon |= S3C2410_DCON_INTREQ; + + pr_debug("%s: dcon now %08x\n", __func__, dcon); + + chan->dcon = dcon; + chan->xfer_unit = xferunit; + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_config); + + +/* s3c2410_dma_devconfig + * + * configure the dma source/destination hardware type and address + * + * source: DMA_FROM_DEVICE: source is hardware + * DMA_TO_DEVICE: source is memory + * + * devaddr: physical address of the source +*/ + +int s3c2410_dma_devconfig(enum dma_ch channel, + enum dma_data_direction source, + unsigned long devaddr) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + unsigned int hwcfg; + + if (chan == NULL) + return -EINVAL; + + pr_debug("%s: source=%d, devaddr=%08lx\n", + __func__, (int)source, devaddr); + + chan->source = source; + chan->dev_addr = devaddr; + + switch (chan->req_ch) { + case DMACH_XD0: + case DMACH_XD1: + hwcfg = 0; /* AHB */ + break; + + default: + hwcfg = S3C2410_DISRCC_APB; + } + + /* always assume our peripheral desintation is a fixed + * address in memory. */ + hwcfg |= S3C2410_DISRCC_INC; + + switch (source) { + case DMA_FROM_DEVICE: + /* source is hardware */ + pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n", + __func__, devaddr, hwcfg); + dma_wrreg(chan, S3C2410_DMA_DISRCC, hwcfg & 3); + dma_wrreg(chan, S3C2410_DMA_DISRC, devaddr); + dma_wrreg(chan, S3C2410_DMA_DIDSTC, (0<<1) | (0<<0)); + + chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST); + break; + + case DMA_TO_DEVICE: + /* source is memory */ + pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n", + __func__, devaddr, hwcfg); + dma_wrreg(chan, S3C2410_DMA_DISRCC, (0<<1) | (0<<0)); + dma_wrreg(chan, S3C2410_DMA_DIDST, devaddr); + dma_wrreg(chan, S3C2410_DMA_DIDSTC, hwcfg & 3); + + chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DISRC); + break; + + default: + printk(KERN_ERR "dma%d: invalid source type (%d)\n", + channel, source); + + return -EINVAL; + } + + if (dma_sel.direction != NULL) + (dma_sel.direction)(chan, chan->map, source); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_devconfig); + +/* s3c2410_dma_getposition + * + * returns the current transfer points for the dma source and destination +*/ + +int s3c2410_dma_getposition(enum dma_ch channel, dma_addr_t *src, dma_addr_t *dst) +{ + struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); + + if (chan == NULL) + return -EINVAL; + + if (src != NULL) + *src = dma_rdreg(chan, S3C2410_DMA_DCSRC); + + if (dst != NULL) + *dst = dma_rdreg(chan, S3C2410_DMA_DCDST); + + return 0; +} + +EXPORT_SYMBOL(s3c2410_dma_getposition); + +/* system core operations */ + +#ifdef CONFIG_PM + +static void s3c2410_dma_suspend_chan(struct s3c2410_dma_chan *cp) +{ + printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); + + if (dma_rdreg(cp, S3C2410_DMA_DMASKTRIG) & S3C2410_DMASKTRIG_ON) { + /* the dma channel is still working, which is probably + * a bad thing to do over suspend/resume. We stop the + * channel and assume that the client is either going to + * retry after resume, or that it is broken. + */ + + printk(KERN_INFO "dma: stopping channel %d due to suspend\n", + cp->number); + + s3c2410_dma_dostop(cp); + } +} + +static int s3c2410_dma_suspend(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans; + int channel; + + for (channel = 0; channel < dma_channels; cp++, channel++) + s3c2410_dma_suspend_chan(cp); + + return 0; +} + +static void s3c2410_dma_resume_chan(struct s3c2410_dma_chan *cp) +{ + unsigned int no = cp->number | DMACH_LOW_LEVEL; + + /* restore channel's hardware configuration */ + + if (!cp->in_use) + return; + + printk(KERN_INFO "dma%d: restoring configuration\n", cp->number); + + s3c2410_dma_config(no, cp->xfer_unit); + s3c2410_dma_devconfig(no, cp->source, cp->dev_addr); + + /* re-select the dma source for this channel */ + + if (cp->map != NULL) + dma_sel.select(cp, cp->map); +} + +static void s3c2410_dma_resume(void) +{ + struct s3c2410_dma_chan *cp = s3c2410_chans + dma_channels - 1; + int channel; + + for (channel = dma_channels - 1; channel >= 0; cp--, channel--) + s3c2410_dma_resume_chan(cp); +} + +#else +#define s3c2410_dma_suspend NULL +#define s3c2410_dma_resume NULL +#endif /* CONFIG_PM */ + +struct syscore_ops dma_syscore_ops = { + .suspend = s3c2410_dma_suspend, + .resume = s3c2410_dma_resume, +}; + +/* kmem cache implementation */ + +static void s3c2410_dma_cache_ctor(void *p) +{ + memset(p, 0, sizeof(struct s3c2410_dma_buf)); +} + +/* initialisation code */ + +static int __init s3c24xx_dma_syscore_init(void) +{ + register_syscore_ops(&dma_syscore_ops); + + return 0; +} + +late_initcall(s3c24xx_dma_syscore_init); + +int __init s3c24xx_dma_init(unsigned int channels, unsigned int irq, + unsigned int stride) +{ + struct s3c2410_dma_chan *cp; + int channel; + int ret; + + printk("S3C24XX DMA Driver, Copyright 2003-2006 Simtec Electronics\n"); + + dma_channels = channels; + + dma_base = ioremap(S3C24XX_PA_DMA, stride * channels); + if (dma_base == NULL) { + printk(KERN_ERR "dma failed to remap register block\n"); + return -ENOMEM; + } + + dma_kmem = kmem_cache_create("dma_desc", + sizeof(struct s3c2410_dma_buf), 0, + SLAB_HWCACHE_ALIGN, + s3c2410_dma_cache_ctor); + + if (dma_kmem == NULL) { + printk(KERN_ERR "dma failed to make kmem cache\n"); + ret = -ENOMEM; + goto err; + } + + for (channel = 0; channel < channels; channel++) { + cp = &s3c2410_chans[channel]; + + memset(cp, 0, sizeof(struct s3c2410_dma_chan)); + + /* dma channel irqs are in order.. */ + cp->number = channel; + cp->irq = channel + irq; + cp->regs = dma_base + (channel * stride); + + /* point current stats somewhere */ + cp->stats = &cp->stats_store; + cp->stats_store.timeout_shortest = LONG_MAX; + + /* basic channel configuration */ + + cp->load_timeout = 1<<18; + + printk("DMA channel %d at %p, irq %d\n", + cp->number, cp->regs, cp->irq); + } + + return 0; + + err: + kmem_cache_destroy(dma_kmem); + iounmap(dma_base); + dma_base = NULL; + return ret; +} + +int __init s3c2410_dma_init(void) +{ + return s3c24xx_dma_init(4, IRQ_DMA0, 0x40); +} + +static inline int is_channel_valid(unsigned int channel) +{ + return (channel & DMA_CH_VALID); +} + +static struct s3c24xx_dma_order *dma_order; + + +/* s3c2410_dma_map_channel() + * + * turn the virtual channel number into a real, and un-used hardware + * channel. + * + * first, try the dma ordering given to us by either the relevant + * dma code, or the board. Then just find the first usable free + * channel +*/ + +static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel) +{ + struct s3c24xx_dma_order_ch *ord = NULL; + struct s3c24xx_dma_map *ch_map; + struct s3c2410_dma_chan *dmach; + int ch; + + if (dma_sel.map == NULL || channel > dma_sel.map_size) + return NULL; + + ch_map = dma_sel.map + channel; + + /* first, try the board mapping */ + + if (dma_order) { + ord = &dma_order->channels[channel]; + + for (ch = 0; ch < dma_channels; ch++) { + int tmp; + if (!is_channel_valid(ord->list[ch])) + continue; + + tmp = ord->list[ch] & ~DMA_CH_VALID; + if (s3c2410_chans[tmp].in_use == 0) { + ch = tmp; + goto found; + } + } + + if (ord->flags & DMA_CH_NEVER) + return NULL; + } + + /* second, search the channel map for first free */ + + for (ch = 0; ch < dma_channels; ch++) { + if (!is_channel_valid(ch_map->channels[ch])) + continue; + + if (s3c2410_chans[ch].in_use == 0) { + printk("mapped channel %d to %d\n", channel, ch); + break; + } + } + + if (ch >= dma_channels) + return NULL; + + /* update our channel mapping */ + + found: + dmach = &s3c2410_chans[ch]; + dmach->map = ch_map; + dmach->req_ch = channel; + s3c_dma_chan_map[channel] = dmach; + + /* select the channel */ + + (dma_sel.select)(dmach, ch_map); + + return dmach; +} + +static int s3c24xx_dma_check_entry(struct s3c24xx_dma_map *map, int ch) +{ + return 0; +} + +int __init s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel) +{ + struct s3c24xx_dma_map *nmap; + size_t map_sz = sizeof(*nmap) * sel->map_size; + int ptr; + + nmap = kmemdup(sel->map, map_sz, GFP_KERNEL); + if (nmap == NULL) + return -ENOMEM; + + memcpy(&dma_sel, sel, sizeof(*sel)); + + dma_sel.map = nmap; + + for (ptr = 0; ptr < sel->map_size; ptr++) + s3c24xx_dma_check_entry(nmap+ptr, ptr); + + return 0; +} + +int __init s3c24xx_dma_order_set(struct s3c24xx_dma_order *ord) +{ + struct s3c24xx_dma_order *nord = dma_order; + + if (nord == NULL) + nord = kmalloc(sizeof(struct s3c24xx_dma_order), GFP_KERNEL); + + if (nord == NULL) { + printk(KERN_ERR "no memory to store dma channel order\n"); + return -ENOMEM; + } + + dma_order = nord; + memcpy(nord, ord, sizeof(struct s3c24xx_dma_order)); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/include/mach/gta02.h b/arch/arm/mach-s3c24xx/gta02.h index 217393482153..9430a71e9184 100644 --- a/arch/arm/mach-s3c24xx/include/mach/gta02.h +++ b/arch/arm/mach-s3c24xx/gta02.h @@ -1,5 +1,13 @@ -#ifndef _GTA02_H -#define _GTA02_H +/* + * GTA02 header + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_GTA02_H +#define __MACH_S3C24XX_GTA02_H __FILE__ #include <mach/regs-gpio.h> @@ -12,4 +20,4 @@ #define GTA02_IRQ_PCF50633 IRQ_EINT9 -#endif /* _GTA02_H */ +#endif /* __MACH_S3C24XX_GTA02_H */ diff --git a/arch/arm/mach-s3c24xx/h1940-bluetooth.c b/arch/arm/mach-s3c24xx/h1940-bluetooth.c index 3f40c61b6e02..5b98bfd1df43 100644 --- a/arch/arm/mach-s3c24xx/h1940-bluetooth.c +++ b/arch/arm/mach-s3c24xx/h1940-bluetooth.c @@ -19,10 +19,10 @@ #include <linux/gpio.h> #include <linux/rfkill.h> -#include <mach/regs-gpio.h> #include <mach/hardware.h> -#include <mach/h1940-latch.h> -#include <mach/h1940.h> +#include <mach/regs-gpio.h> + +#include "h1940.h" #define DRV_NAME "h1940-bt" diff --git a/arch/arm/mach-s3c24xx/include/mach/h1940-latch.h b/arch/arm/mach-s3c24xx/h1940.h index fc897d3a056c..2950cc466840 100644 --- a/arch/arm/mach-s3c24xx/include/mach/h1940-latch.h +++ b/arch/arm/mach-s3c24xx/h1940.h @@ -1,20 +1,30 @@ -/* arch/arm/mach-s3c2410/include/mach/h1940-latch.h +/* + * Copyright 2006 Ben Dooks <ben-linux@fluff.org> * * Copyright (c) 2005 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * - * iPAQ H1940 series - latch definitions + * iPAQ H1940 series definitions * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#ifndef __ASM_ARCH_H1940_LATCH_H -#define __ASM_ARCH_H1940_LATCH_H +#ifndef __MACH_S3C24XX_H1940_H +#define __MACH_S3C24XX_H1940_H __FILE__ -#include <asm/gpio.h> +#define H1940_SUSPEND_CHECKSUM (0x30003ff8) +#define H1940_SUSPEND_RESUMEAT (0x30081000) +#define H1940_SUSPEND_CHECK (0x30080000) + +extern void h1940_pm_return(void); +extern int h1940_led_blink_set(unsigned gpio, int state, + unsigned long *delay_on, + unsigned long *delay_off); + +#include <linux/gpio.h> #define H1940_LATCH_GPIO(x) (S3C_GPIO_END + (x)) @@ -40,4 +50,4 @@ #define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14) #define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15) -#endif /* __ASM_ARCH_H1940_LATCH_H */ +#endif /* __MACH_S3C24XX_H1940_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h b/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h deleted file mode 100644 index 1b614d5a81f3..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h +++ /dev/null @@ -1,25 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/anubis-cpld.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - CPLD control constants - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_ANUBISCPLD_H -#define __ASM_ARCH_ANUBISCPLD_H - -/* CTRL2 - NAND WP control, IDE Reset assert/check */ - -#define ANUBIS_CTRL1_NANDSEL (0x3) - -/* IDREG - revision */ - -#define ANUBIS_IDREG_REVMASK (0x7) - -#endif /* __ASM_ARCH_ANUBISCPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h b/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h deleted file mode 100644 index a2a328134e34..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h +++ /dev/null @@ -1,21 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/anubis-irq.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - IRQ Number definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_ANUBISIRQ_H -#define __ASM_ARCH_ANUBISIRQ_H - -#define IRQ_IDE0 IRQ_EINT2 -#define IRQ_IDE1 IRQ_EINT3 -#define IRQ_ASIX IRQ_EINT1 - -#endif /* __ASM_ARCH_ANUBISIRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-map.h b/arch/arm/mach-s3c24xx/include/mach/anubis-map.h deleted file mode 100644 index c9deb3a5b2c3..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/anubis-map.h +++ /dev/null @@ -1,38 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/anubis-map.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - Memory map definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* needs arch/map.h including with this */ - -#ifndef __ASM_ARCH_ANUBISMAP_H -#define __ASM_ARCH_ANUBISMAP_H - -/* start peripherals off after the S3C2410 */ - -#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) - -#define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) - -/* we put the CPLD registers next, to get them out of the way */ - -#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) /* 0x01800000 */ -#define ANUBIS_PA_CTRL1 (ANUBIS_PA_CPLD) - -#define ANUBIS_VA_IDREG ANUBIS_IOADDR(0x00300000) /* 0x01B00000 */ -#define ANUBIS_PA_IDREG (ANUBIS_PA_CPLD + (3<<23)) - -#define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) -#define ANUBIS_IDEPRIAUX ANUBIS_IOADDR(0x01100000) -#define ANUBIS_IDESEC ANUBIS_IOADDR(0x01200000) -#define ANUBIS_IDESECAUX ANUBIS_IOADDR(0x01300000) - -#endif /* __ASM_ARCH_ANUBISMAP_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h b/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h deleted file mode 100644 index bee2a7a932a0..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h +++ /dev/null @@ -1,53 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/bast-cpld.h - * - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * BAST - CPLD control constants - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_BASTCPLD_H -#define __ASM_ARCH_BASTCPLD_H - -/* CTRL1 - Audio LR routing */ - -#define BAST_CPLD_CTRL1_LRCOFF (0x00) -#define BAST_CPLD_CTRL1_LRCADC (0x01) -#define BAST_CPLD_CTRL1_LRCDAC (0x02) -#define BAST_CPLD_CTRL1_LRCARM (0x03) -#define BAST_CPLD_CTRL1_LRMASK (0x03) - -/* CTRL2 - NAND WP control, IDE Reset assert/check */ - -#define BAST_CPLD_CTRL2_WNAND (0x04) -#define BAST_CPLD_CTLR2_IDERST (0x08) - -/* CTRL3 - rom write control, CPLD identity */ - -#define BAST_CPLD_CTRL3_IDMASK (0x0e) -#define BAST_CPLD_CTRL3_ROMWEN (0x01) - -/* CTRL4 - 8bit LCD interface control/status */ - -#define BAST_CPLD_CTRL4_LLAT (0x01) -#define BAST_CPLD_CTRL4_LCDRW (0x02) -#define BAST_CPLD_CTRL4_LCDCMD (0x04) -#define BAST_CPLD_CTRL4_LCDE2 (0x01) - -/* CTRL5 - DMA routing */ - -#define BAST_CPLD_DMA0_PRIIDE (0<<0) -#define BAST_CPLD_DMA0_SECIDE (1<<0) -#define BAST_CPLD_DMA0_ISA15 (2<<0) -#define BAST_CPLD_DMA0_ISA36 (3<<0) - -#define BAST_CPLD_DMA1_PRIIDE (0<<2) -#define BAST_CPLD_DMA1_SECIDE (1<<2) -#define BAST_CPLD_DMA1_ISA15 (2<<2) -#define BAST_CPLD_DMA1_ISA36 (3<<2) - -#endif /* __ASM_ARCH_BASTCPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-irq.h b/arch/arm/mach-s3c24xx/include/mach/bast-irq.h deleted file mode 100644 index cac428c42e7f..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/bast-irq.h +++ /dev/null @@ -1,29 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/bast-irq.h - * - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine BAST - IRQ Number definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_BASTIRQ_H -#define __ASM_ARCH_BASTIRQ_H - -/* irq numbers to onboard peripherals */ - -#define IRQ_USBOC IRQ_EINT18 -#define IRQ_IDE0 IRQ_EINT16 -#define IRQ_IDE1 IRQ_EINT17 -#define IRQ_PCSERIAL1 IRQ_EINT15 -#define IRQ_PCSERIAL2 IRQ_EINT14 -#define IRQ_PCPARALLEL IRQ_EINT13 -#define IRQ_ASIX IRQ_EINT11 -#define IRQ_DM9000 IRQ_EINT10 -#define IRQ_ISA IRQ_EINT9 -#define IRQ_SMALERT IRQ_EINT8 - -#endif /* __ASM_ARCH_BASTIRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-map.h b/arch/arm/mach-s3c24xx/include/mach/bast-map.h deleted file mode 100644 index eecea2a50f8f..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/bast-map.h +++ /dev/null @@ -1,146 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/bast-map.h - * - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine BAST - Memory map definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* needs arch/map.h including with this */ - -/* ok, we've used up to 0x13000000, now we need to find space for the - * peripherals that live in the nGCS[x] areas, which are quite numerous - * in their space. We also have the board's CPLD to find register space - * for. - */ - -#ifndef __ASM_ARCH_BASTMAP_H -#define __ASM_ARCH_BASTMAP_H - -#define BAST_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) - -/* we put the CPLD registers next, to get them out of the way */ - -#define BAST_VA_CTRL1 BAST_IOADDR(0x00000000) /* 0x01300000 */ -#define BAST_PA_CTRL1 (S3C2410_CS5 | 0x7800000) - -#define BAST_VA_CTRL2 BAST_IOADDR(0x00100000) /* 0x01400000 */ -#define BAST_PA_CTRL2 (S3C2410_CS1 | 0x6000000) - -#define BAST_VA_CTRL3 BAST_IOADDR(0x00200000) /* 0x01500000 */ -#define BAST_PA_CTRL3 (S3C2410_CS1 | 0x6800000) - -#define BAST_VA_CTRL4 BAST_IOADDR(0x00300000) /* 0x01600000 */ -#define BAST_PA_CTRL4 (S3C2410_CS1 | 0x7000000) - -/* next, we have the PC104 ISA interrupt registers */ - -#define BAST_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ -#define BAST_VA_PC104_IRQREQ BAST_IOADDR(0x00400000) - -#define BAST_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ -#define BAST_VA_PC104_IRQRAW BAST_IOADDR(0x00500000) - -#define BAST_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ -#define BAST_VA_PC104_IRQMASK BAST_IOADDR(0x00600000) - -#define BAST_PA_LCD_RCMD1 (0x8800000) -#define BAST_VA_LCD_RCMD1 BAST_IOADDR(0x00700000) - -#define BAST_PA_LCD_WCMD1 (0x8000000) -#define BAST_VA_LCD_WCMD1 BAST_IOADDR(0x00800000) - -#define BAST_PA_LCD_RDATA1 (0x9800000) -#define BAST_VA_LCD_RDATA1 BAST_IOADDR(0x00900000) - -#define BAST_PA_LCD_WDATA1 (0x9000000) -#define BAST_VA_LCD_WDATA1 BAST_IOADDR(0x00A00000) - -#define BAST_PA_LCD_RCMD2 (0xA800000) -#define BAST_VA_LCD_RCMD2 BAST_IOADDR(0x00B00000) - -#define BAST_PA_LCD_WCMD2 (0xA000000) -#define BAST_VA_LCD_WCMD2 BAST_IOADDR(0x00C00000) - -#define BAST_PA_LCD_RDATA2 (0xB800000) -#define BAST_VA_LCD_RDATA2 BAST_IOADDR(0x00D00000) - -#define BAST_PA_LCD_WDATA2 (0xB000000) -#define BAST_VA_LCD_WDATA2 BAST_IOADDR(0x00E00000) - - -/* 0xE0000000 contains the IO space that is split by speed and - * whether the access is for 8 or 16bit IO... this ensures that - * the correct access is made - * - * 0x10000000 of space, partitioned as so: - * - * 0x00000000 to 0x04000000 8bit, slow - * 0x04000000 to 0x08000000 16bit, slow - * 0x08000000 to 0x0C000000 16bit, net - * 0x0C000000 to 0x10000000 16bit, fast - * - * each of these spaces has the following in: - * - * 0x00000000 to 0x01000000 16MB ISA IO space - * 0x01000000 to 0x02000000 16MB ISA memory space - * 0x02000000 to 0x02100000 1MB IDE primary channel - * 0x02100000 to 0x02200000 1MB IDE primary channel aux - * 0x02200000 to 0x02400000 1MB IDE secondary channel - * 0x02300000 to 0x02400000 1MB IDE secondary channel aux - * 0x02400000 to 0x02500000 1MB ASIX ethernet controller - * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controller - * 0x02600000 to 0x02700000 1MB PC SuperIO controller - * - * the phyiscal layout of the zones are: - * nGCS2 - 8bit, slow - * nGCS3 - 16bit, slow - * nGCS4 - 16bit, net - * nGCS5 - 16bit, fast - */ - -#define BAST_VA_MULTISPACE (0xE0000000) - -#define BAST_VA_ISAIO (BAST_VA_MULTISPACE + 0x00000000) -#define BAST_VA_ISAMEM (BAST_VA_MULTISPACE + 0x01000000) -#define BAST_VA_IDEPRI (BAST_VA_MULTISPACE + 0x02000000) -#define BAST_VA_IDEPRIAUX (BAST_VA_MULTISPACE + 0x02100000) -#define BAST_VA_IDESEC (BAST_VA_MULTISPACE + 0x02200000) -#define BAST_VA_IDESECAUX (BAST_VA_MULTISPACE + 0x02300000) -#define BAST_VA_ASIXNET (BAST_VA_MULTISPACE + 0x02400000) -#define BAST_VA_DM9000 (BAST_VA_MULTISPACE + 0x02500000) -#define BAST_VA_SUPERIO (BAST_VA_MULTISPACE + 0x02600000) - -#define BAST_VA_MULTISPACE (0xE0000000) - -#define BAST_VAM_CS2 (0x00000000) -#define BAST_VAM_CS3 (0x04000000) -#define BAST_VAM_CS4 (0x08000000) -#define BAST_VAM_CS5 (0x0C000000) - -/* physical offset addresses for the peripherals */ - -#define BAST_PA_ISAIO (0x00000000) -#define BAST_PA_ASIXNET (0x01000000) -#define BAST_PA_SUPERIO (0x01800000) -#define BAST_PA_IDEPRI (0x02000000) -#define BAST_PA_IDEPRIAUX (0x02800000) -#define BAST_PA_IDESEC (0x03000000) -#define BAST_PA_IDESECAUX (0x03800000) -#define BAST_PA_ISAMEM (0x04000000) -#define BAST_PA_DM9000 (0x05000000) - -/* some configurations for the peripherals */ - -#define BAST_PCSIO (BAST_VA_SUPERIO + BAST_VAM_CS2) -/* */ - -#define BAST_ASIXNET_CS BAST_VAM_CS5 -#define BAST_IDE_CS BAST_VAM_CS5 -#define BAST_DM9000_CS BAST_VAM_CS4 - -#endif /* __ASM_ARCH_BASTMAP_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio-fns.h b/arch/arm/mach-s3c24xx/include/mach/gpio-fns.h deleted file mode 100644 index c53ad34c6579..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/gpio-fns.h +++ /dev/null @@ -1 +0,0 @@ -#include <plat/gpio-fns.h> diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio-nrs.h b/arch/arm/mach-s3c24xx/include/mach/gpio-nrs.h deleted file mode 100644 index 3890a05948fb..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/gpio-nrs.h +++ /dev/null @@ -1,97 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/gpio-nrs.h - * - * Copyright (c) 2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - GPIO bank numbering - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __MACH_GPIONRS_H -#define __MACH_GPIONRS_H - -#define S3C2410_GPIONO(bank,offset) ((bank) + (offset)) - -#define S3C2410_GPIO_BANKG (32*6) -#define S3C2410_GPIO_BANKH (32*7) - -/* GPIO sizes for various SoCs: - * - * 2442 - * 2410 2412 2440 2443 2416 - * ---- ---- ---- ---- ---- - * A 23 22 25 16 25 - * B 11 11 11 11 9 - * C 16 15 16 16 16 - * D 16 16 16 16 16 - * E 16 16 16 16 16 - * F 8 8 8 8 8 - * G 16 16 16 16 8 - * H 11 11 9 15 15 - * J -- -- 13 16 -- - * K -- -- -- -- 16 - * L -- -- -- 15 7 - * M -- -- -- 2 2 - */ - -/* GPIO bank sizes */ -#define S3C2410_GPIO_A_NR (32) -#define S3C2410_GPIO_B_NR (32) -#define S3C2410_GPIO_C_NR (32) -#define S3C2410_GPIO_D_NR (32) -#define S3C2410_GPIO_E_NR (32) -#define S3C2410_GPIO_F_NR (32) -#define S3C2410_GPIO_G_NR (32) -#define S3C2410_GPIO_H_NR (32) -#define S3C2410_GPIO_J_NR (32) /* technically 16. */ -#define S3C2410_GPIO_K_NR (32) /* technically 16. */ -#define S3C2410_GPIO_L_NR (32) /* technically 15. */ -#define S3C2410_GPIO_M_NR (32) /* technically 2. */ - -#if CONFIG_S3C_GPIO_SPACE != 0 -#error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment -#endif - -#define S3C2410_GPIO_NEXT(__gpio) \ - ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0) - -#ifndef __ASSEMBLY__ - -enum s3c_gpio_number { - S3C2410_GPIO_A_START = 0, - S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A), - S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B), - S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C), - S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D), - S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), - S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), - S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), - S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), - S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), - S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), - S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), -}; - -#endif /* __ASSEMBLY__ */ - -/* S3C2410 GPIO number definitions. */ - -#define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr)) -#define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr)) -#define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr)) -#define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr)) -#define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr)) -#define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) -#define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) -#define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) -#define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) -#define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) -#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) -#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) - -#endif /* __MACH_GPIONRS_H */ - diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio-track.h b/arch/arm/mach-s3c24xx/include/mach/gpio-track.h deleted file mode 100644 index c410a078622c..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/gpio-track.h +++ /dev/null @@ -1,33 +0,0 @@ -/* arch/arm/mach-s3c24100/include/mach/gpio-core.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C2410 - GPIO core support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_GPIO_CORE_H -#define __ASM_ARCH_GPIO_CORE_H __FILE__ - -#include <mach/regs-gpio.h> - -extern struct samsung_gpio_chip s3c24xx_gpios[]; - -static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin) -{ - struct samsung_gpio_chip *chip; - - if (pin > S3C_GPIO_END) - return NULL; - - chip = &s3c24xx_gpios[pin/32]; - return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL; -} - -#endif /* __ASM_ARCH_GPIO_CORE_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/gpio.h b/arch/arm/mach-s3c24xx/include/mach/gpio.h index 6fac70f3484e..14591563ca70 100644 --- a/arch/arm/mach-s3c24xx/include/mach/gpio.h +++ b/arch/arm/mach-s3c24xx/include/mach/gpio.h @@ -1,5 +1,4 @@ -/* arch/arm/mach-s3c2410/include/mach/gpio.h - * +/* * Copyright (c) 2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> @@ -15,6 +14,9 @@ * devices that need GPIO. */ +#ifndef __MACH_GPIO_H +#define __MACH_GPIO_H __FILE__ + #ifdef CONFIG_CPU_S3C244X #define ARCH_NR_GPIOS (32 * 9 + CONFIG_S3C24XX_GPIO_EXTRA) #elif defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) @@ -23,8 +25,83 @@ #define ARCH_NR_GPIOS (256 + CONFIG_S3C24XX_GPIO_EXTRA) #endif -#include <mach/gpio-nrs.h> -#include <mach/gpio-fns.h> +/* + * GPIO sizes for various SoCs: + * + * 2410 2412 2440 2443 2416 + * 2442 + * ---- ---- ---- ---- ---- + * A 23 22 25 16 25 + * B 11 11 11 11 9 + * C 16 15 16 16 16 + * D 16 16 16 16 16 + * E 16 16 16 16 16 + * F 8 8 8 8 8 + * G 16 16 16 16 8 + * H 11 11 9 15 15 + * J -- -- 13 16 -- + * K -- -- -- -- 16 + * L -- -- -- 15 7 + * M -- -- -- 2 2 + */ + +/* GPIO bank sizes */ + +#define S3C2410_GPIO_A_NR (32) +#define S3C2410_GPIO_B_NR (32) +#define S3C2410_GPIO_C_NR (32) +#define S3C2410_GPIO_D_NR (32) +#define S3C2410_GPIO_E_NR (32) +#define S3C2410_GPIO_F_NR (32) +#define S3C2410_GPIO_G_NR (32) +#define S3C2410_GPIO_H_NR (32) +#define S3C2410_GPIO_J_NR (32) /* technically 16. */ +#define S3C2410_GPIO_K_NR (32) /* technically 16. */ +#define S3C2410_GPIO_L_NR (32) /* technically 15. */ +#define S3C2410_GPIO_M_NR (32) /* technically 2. */ + +#if CONFIG_S3C_GPIO_SPACE != 0 +#error CONFIG_S3C_GPIO_SPACE cannot be nonzero at the moment +#endif + +#define S3C2410_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 0) + +#ifndef __ASSEMBLY__ + +enum s3c_gpio_number { + S3C2410_GPIO_A_START = 0, + S3C2410_GPIO_B_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_A), + S3C2410_GPIO_C_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_B), + S3C2410_GPIO_D_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_C), + S3C2410_GPIO_E_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_D), + S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), + S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), + S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), + S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), + S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), + S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), + S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), +}; + +#endif /* __ASSEMBLY__ */ + +/* S3C2410 GPIO number definitions. */ + +#define S3C2410_GPA(_nr) (S3C2410_GPIO_A_START + (_nr)) +#define S3C2410_GPB(_nr) (S3C2410_GPIO_B_START + (_nr)) +#define S3C2410_GPC(_nr) (S3C2410_GPIO_C_START + (_nr)) +#define S3C2410_GPD(_nr) (S3C2410_GPIO_D_START + (_nr)) +#define S3C2410_GPE(_nr) (S3C2410_GPIO_E_START + (_nr)) +#define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) +#define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) +#define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) +#define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) +#define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) +#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) +#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) + +#include <plat/gpio-cfg.h> #ifdef CONFIG_CPU_S3C244X #define S3C_GPIO_END (S3C2410_GPJ(0) + 32) @@ -33,3 +110,5 @@ #else #define S3C_GPIO_END (S3C2410_GPH(0) + 32) #endif + +#endif /* __MACH_GPIO_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/h1940.h b/arch/arm/mach-s3c24xx/include/mach/h1940.h deleted file mode 100644 index 2aa683c8d3d6..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/h1940.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/h1940.h - * - * Copyright 2006 Ben Dooks <ben-linux@fluff.org> - * - * H1940 definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_H1940_H -#define __ASM_ARCH_H1940_H - -#define H1940_SUSPEND_CHECKSUM (0x30003ff8) -#define H1940_SUSPEND_RESUMEAT (0x30081000) -#define H1940_SUSPEND_CHECK (0x30080000) - -extern void h1940_pm_return(void); -extern int h1940_led_blink_set(unsigned gpio, int state, - unsigned long *delay_on, unsigned long *delay_off); - - -#endif /* __ASM_ARCH_H1940_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/hardware.h b/arch/arm/mach-s3c24xx/include/mach/hardware.h index aef5631eac58..a6cc14a092fc 100644 --- a/arch/arm/mach-s3c24xx/include/mach/hardware.h +++ b/arch/arm/mach-s3c24xx/include/mach/hardware.h @@ -23,12 +23,6 @@ extern int s3c2440_set_dsc(unsigned int pin, unsigned int value); #endif /* CONFIG_CPU_S3C2440 */ -#ifdef CONFIG_CPU_S3C2412 - -extern int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state); - -#endif /* CONFIG_CPU_S3C2412 */ - #endif /* __ASSEMBLY__ */ #include <asm/sizes.h> diff --git a/arch/arm/mach-s3c24xx/include/mach/idle.h b/arch/arm/mach-s3c24xx/include/mach/idle.h deleted file mode 100644 index e9ddd706b16e..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/idle.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/idle.h - * - * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> - * http://www.simtec.co.uk/products/SWLINUX/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2410 CPU Idle controls -*/ - -#ifndef __ASM_ARCH_IDLE_H -#define __ASM_ARCH_IDLE_H __FILE__ - -/* This allows the over-ride of the default idle code, in case there - * is any other things to be done over idle (like DVS) -*/ - -extern void (*s3c24xx_idle)(void); - -extern void s3c24xx_default_idle(void); - -#endif /* __ASM_ARCH_IDLE_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/osiris-cpld.h b/arch/arm/mach-s3c24xx/include/mach/osiris-cpld.h deleted file mode 100644 index e9e36b0abbac..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/osiris-cpld.h +++ /dev/null @@ -1,30 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/osiris-cpld.h - * - * Copyright 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * OSIRIS - CPLD control constants - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_OSIRISCPLD_H -#define __ASM_ARCH_OSIRISCPLD_H - -/* CTRL0 - NAND WP control */ - -#define OSIRIS_CTRL0_NANDSEL (0x3) -#define OSIRIS_CTRL0_BOOT_INT (1<<3) -#define OSIRIS_CTRL0_PCMCIA (1<<4) -#define OSIRIS_CTRL0_FIX8 (1<<5) -#define OSIRIS_CTRL0_PCMCIA_nWAIT (1<<6) -#define OSIRIS_CTRL0_PCMCIA_nIOIS16 (1<<7) - -#define OSIRIS_CTRL1_FIX8 (1<<0) - -#define OSIRIS_ID_REVMASK (0x7) - -#endif /* __ASM_ARCH_OSIRISCPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h index a11a638bd599..c2ef016032ab 100644 --- a/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h +++ b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h @@ -14,8 +14,6 @@ #ifndef __ASM_ARCH_REGS_GPIO_H #define __ASM_ARCH_REGS_GPIO_H -#include <mach/gpio-nrs.h> - #define S3C24XX_MISCCR S3C24XX_GPIOREG2(0x80) /* general configuration options */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-mem.h b/arch/arm/mach-s3c24xx/include/mach/regs-mem.h deleted file mode 100644 index e0c67b0163d8..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-mem.h +++ /dev/null @@ -1,202 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-mem.h - * - * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> - * http://www.simtec.co.uk/products/SWLINUX/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2410 Memory Control register definitions -*/ - -#ifndef __ASM_ARM_MEMREGS_H -#define __ASM_ARM_MEMREGS_H - -#ifndef S3C2410_MEMREG -#define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) -#endif - -/* bus width, and wait state control */ -#define S3C2410_BWSCON S3C2410_MEMREG(0x0000) - -/* bank zero config - note, pinstrapped from OM pins! */ -#define S3C2410_BWSCON_DW0_16 (1<<1) -#define S3C2410_BWSCON_DW0_32 (2<<1) - -/* bank one configs */ -#define S3C2410_BWSCON_DW1_8 (0<<4) -#define S3C2410_BWSCON_DW1_16 (1<<4) -#define S3C2410_BWSCON_DW1_32 (2<<4) -#define S3C2410_BWSCON_WS1 (1<<6) -#define S3C2410_BWSCON_ST1 (1<<7) - -/* bank 2 configurations */ -#define S3C2410_BWSCON_DW2_8 (0<<8) -#define S3C2410_BWSCON_DW2_16 (1<<8) -#define S3C2410_BWSCON_DW2_32 (2<<8) -#define S3C2410_BWSCON_WS2 (1<<10) -#define S3C2410_BWSCON_ST2 (1<<11) - -/* bank 3 configurations */ -#define S3C2410_BWSCON_DW3_8 (0<<12) -#define S3C2410_BWSCON_DW3_16 (1<<12) -#define S3C2410_BWSCON_DW3_32 (2<<12) -#define S3C2410_BWSCON_WS3 (1<<14) -#define S3C2410_BWSCON_ST3 (1<<15) - -/* bank 4 configurations */ -#define S3C2410_BWSCON_DW4_8 (0<<16) -#define S3C2410_BWSCON_DW4_16 (1<<16) -#define S3C2410_BWSCON_DW4_32 (2<<16) -#define S3C2410_BWSCON_WS4 (1<<18) -#define S3C2410_BWSCON_ST4 (1<<19) - -/* bank 5 configurations */ -#define S3C2410_BWSCON_DW5_8 (0<<20) -#define S3C2410_BWSCON_DW5_16 (1<<20) -#define S3C2410_BWSCON_DW5_32 (2<<20) -#define S3C2410_BWSCON_WS5 (1<<22) -#define S3C2410_BWSCON_ST5 (1<<23) - -/* bank 6 configurations */ -#define S3C2410_BWSCON_DW6_8 (0<<24) -#define S3C2410_BWSCON_DW6_16 (1<<24) -#define S3C2410_BWSCON_DW6_32 (2<<24) -#define S3C2410_BWSCON_WS6 (1<<26) -#define S3C2410_BWSCON_ST6 (1<<27) - -/* bank 7 configurations */ -#define S3C2410_BWSCON_DW7_8 (0<<28) -#define S3C2410_BWSCON_DW7_16 (1<<28) -#define S3C2410_BWSCON_DW7_32 (2<<28) -#define S3C2410_BWSCON_WS7 (1<<30) -#define S3C2410_BWSCON_ST7 (1<<31) - -/* accesor functions for getting BANK(n) configuration. (n != 0) */ - -#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf) - -#define S3C2410_BWSCON_DW8 (0) -#define S3C2410_BWSCON_DW16 (1) -#define S3C2410_BWSCON_DW32 (2) -#define S3C2410_BWSCON_WS (1 << 2) -#define S3C2410_BWSCON_ST (1 << 3) - -/* memory set (rom, ram) */ -#define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004) -#define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008) -#define S3C2410_BANKCON2 S3C2410_MEMREG(0x000C) -#define S3C2410_BANKCON3 S3C2410_MEMREG(0x0010) -#define S3C2410_BANKCON4 S3C2410_MEMREG(0x0014) -#define S3C2410_BANKCON5 S3C2410_MEMREG(0x0018) -#define S3C2410_BANKCON6 S3C2410_MEMREG(0x001C) -#define S3C2410_BANKCON7 S3C2410_MEMREG(0x0020) - -/* bank configuration registers */ - -#define S3C2410_BANKCON_PMCnorm (0x00) -#define S3C2410_BANKCON_PMC4 (0x01) -#define S3C2410_BANKCON_PMC8 (0x02) -#define S3C2410_BANKCON_PMC16 (0x03) - -/* bank configurations for banks 0..7, note banks - * 6 and 7 have different configurations depending on - * the memory type bits */ - -#define S3C2410_BANKCON_Tacp2 (0x0 << 2) -#define S3C2410_BANKCON_Tacp3 (0x1 << 2) -#define S3C2410_BANKCON_Tacp4 (0x2 << 2) -#define S3C2410_BANKCON_Tacp6 (0x3 << 2) -#define S3C2410_BANKCON_Tacp_SHIFT (2) - -#define S3C2410_BANKCON_Tcah0 (0x0 << 4) -#define S3C2410_BANKCON_Tcah1 (0x1 << 4) -#define S3C2410_BANKCON_Tcah2 (0x2 << 4) -#define S3C2410_BANKCON_Tcah4 (0x3 << 4) -#define S3C2410_BANKCON_Tcah_SHIFT (4) - -#define S3C2410_BANKCON_Tcoh0 (0x0 << 6) -#define S3C2410_BANKCON_Tcoh1 (0x1 << 6) -#define S3C2410_BANKCON_Tcoh2 (0x2 << 6) -#define S3C2410_BANKCON_Tcoh4 (0x3 << 6) -#define S3C2410_BANKCON_Tcoh_SHIFT (6) - -#define S3C2410_BANKCON_Tacc1 (0x0 << 8) -#define S3C2410_BANKCON_Tacc2 (0x1 << 8) -#define S3C2410_BANKCON_Tacc3 (0x2 << 8) -#define S3C2410_BANKCON_Tacc4 (0x3 << 8) -#define S3C2410_BANKCON_Tacc6 (0x4 << 8) -#define S3C2410_BANKCON_Tacc8 (0x5 << 8) -#define S3C2410_BANKCON_Tacc10 (0x6 << 8) -#define S3C2410_BANKCON_Tacc14 (0x7 << 8) -#define S3C2410_BANKCON_Tacc_SHIFT (8) - -#define S3C2410_BANKCON_Tcos0 (0x0 << 11) -#define S3C2410_BANKCON_Tcos1 (0x1 << 11) -#define S3C2410_BANKCON_Tcos2 (0x2 << 11) -#define S3C2410_BANKCON_Tcos4 (0x3 << 11) -#define S3C2410_BANKCON_Tcos_SHIFT (11) - -#define S3C2410_BANKCON_Tacs0 (0x0 << 13) -#define S3C2410_BANKCON_Tacs1 (0x1 << 13) -#define S3C2410_BANKCON_Tacs2 (0x2 << 13) -#define S3C2410_BANKCON_Tacs4 (0x3 << 13) -#define S3C2410_BANKCON_Tacs_SHIFT (13) - -#define S3C2410_BANKCON_SRAM (0x0 << 15) -#define S3C2410_BANKCON_SDRAM (0x3 << 15) - -/* next bits only for SDRAM in 6,7 */ -#define S3C2410_BANKCON_Trcd2 (0x00 << 2) -#define S3C2410_BANKCON_Trcd3 (0x01 << 2) -#define S3C2410_BANKCON_Trcd4 (0x02 << 2) - -/* control column address select */ -#define S3C2410_BANKCON_SCANb8 (0x00 << 0) -#define S3C2410_BANKCON_SCANb9 (0x01 << 0) -#define S3C2410_BANKCON_SCANb10 (0x02 << 0) - -#define S3C2410_REFRESH S3C2410_MEMREG(0x0024) -#define S3C2410_BANKSIZE S3C2410_MEMREG(0x0028) -#define S3C2410_MRSRB6 S3C2410_MEMREG(0x002C) -#define S3C2410_MRSRB7 S3C2410_MEMREG(0x0030) - -/* refresh control */ - -#define S3C2410_REFRESH_REFEN (1<<23) -#define S3C2410_REFRESH_SELF (1<<22) -#define S3C2410_REFRESH_REFCOUNTER ((1<<11)-1) - -#define S3C2410_REFRESH_TRP_MASK (3<<20) -#define S3C2410_REFRESH_TRP_2clk (0<<20) -#define S3C2410_REFRESH_TRP_3clk (1<<20) -#define S3C2410_REFRESH_TRP_4clk (2<<20) - -#define S3C2410_REFRESH_TSRC_MASK (3<<18) -#define S3C2410_REFRESH_TSRC_4clk (0<<18) -#define S3C2410_REFRESH_TSRC_5clk (1<<18) -#define S3C2410_REFRESH_TSRC_6clk (2<<18) -#define S3C2410_REFRESH_TSRC_7clk (3<<18) - - -/* mode select register(s) */ - -#define S3C2410_MRSRB_CL1 (0x00 << 4) -#define S3C2410_MRSRB_CL2 (0x02 << 4) -#define S3C2410_MRSRB_CL3 (0x03 << 4) - -/* bank size register */ -#define S3C2410_BANKSIZE_128M (0x2 << 0) -#define S3C2410_BANKSIZE_64M (0x1 << 0) -#define S3C2410_BANKSIZE_32M (0x0 << 0) -#define S3C2410_BANKSIZE_16M (0x7 << 0) -#define S3C2410_BANKSIZE_8M (0x6 << 0) -#define S3C2410_BANKSIZE_4M (0x5 << 0) -#define S3C2410_BANKSIZE_2M (0x4 << 0) -#define S3C2410_BANKSIZE_MASK (0x7 << 0) -#define S3C2410_BANKSIZE_SCLK_EN (1<<4) -#define S3C2410_BANKSIZE_SCKE_EN (1<<5) -#define S3C2410_BANKSIZE_BURST (1<<7) - -#endif /* __ASM_ARM_MEMREGS_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-power.h b/arch/arm/mach-s3c24xx/include/mach/regs-power.h deleted file mode 100644 index 4932b87bdf3d..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-power.h +++ /dev/null @@ -1,40 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-power.h - * - * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C24XX power control register definitions -*/ - -#ifndef __ASM_ARM_REGS_PWR -#define __ASM_ARM_REGS_PWR __FILE__ - -#define S3C24XX_PWRREG(x) ((x) + S3C24XX_VA_CLKPWR) - -#define S3C2412_PWRMODECON S3C24XX_PWRREG(0x20) -#define S3C2412_PWRCFG S3C24XX_PWRREG(0x24) - -#define S3C2412_INFORM0 S3C24XX_PWRREG(0x70) -#define S3C2412_INFORM1 S3C24XX_PWRREG(0x74) -#define S3C2412_INFORM2 S3C24XX_PWRREG(0x78) -#define S3C2412_INFORM3 S3C24XX_PWRREG(0x7C) - -#define S3C2412_PWRCFG_BATF_IRQ (1<<0) -#define S3C2412_PWRCFG_BATF_IGNORE (2<<0) -#define S3C2412_PWRCFG_BATF_SLEEP (3<<0) -#define S3C2412_PWRCFG_BATF_MASK (3<<0) - -#define S3C2412_PWRCFG_STANDBYWFI_IGNORE (0<<6) -#define S3C2412_PWRCFG_STANDBYWFI_IDLE (1<<6) -#define S3C2412_PWRCFG_STANDBYWFI_STOP (2<<6) -#define S3C2412_PWRCFG_STANDBYWFI_SLEEP (3<<6) -#define S3C2412_PWRCFG_STANDBYWFI_MASK (3<<6) - -#define S3C2412_PWRCFG_RTC_MASKIRQ (1<<8) -#define S3C2412_PWRCFG_NAND_NORST (1<<9) - -#endif /* __ASM_ARM_REGS_PWR */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412-mem.h b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412-mem.h deleted file mode 100644 index fb6352515090..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412-mem.h +++ /dev/null @@ -1,48 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h - * - * Copyright (c) 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2412 memory register definitions -*/ - -#ifndef __ASM_ARM_REGS_S3C2412_MEM -#define __ASM_ARM_REGS_S3C2412_MEM - -#define S3C2412_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) -#define S3C2412_EBIREG(x) (S3C2412_VA_EBI + (x)) - -#define S3C2412_SSMCREG(x) (S3C2412_VA_SSMC + (x)) -#define S3C2412_SSMC(x, o) (S3C2412_SSMCREG((x * 0x20) + (o))) - -#define S3C2412_BANKCFG S3C2412_MEMREG(0x00) -#define S3C2412_BANKCON1 S3C2412_MEMREG(0x04) -#define S3C2412_BANKCON2 S3C2412_MEMREG(0x08) -#define S3C2412_BANKCON3 S3C2412_MEMREG(0x0C) - -#define S3C2412_REFRESH S3C2412_MEMREG(0x10) -#define S3C2412_TIMEOUT S3C2412_MEMREG(0x14) - -/* EBI control registers */ - -#define S3C2412_EBI_PR S3C2412_EBIREG(0x00) -#define S3C2412_EBI_BANKCFG S3C2412_EBIREG(0x04) - -/* SSMC control registers */ - -#define S3C2412_SSMC_BANK(x) S3C2412_SSMC(x, 0x00) -#define S3C2412_SMIDCYR(x) S3C2412_SSMC(x, 0x00) -#define S3C2412_SMBWSTRD(x) S3C2412_SSMC(x, 0x04) -#define S3C2412_SMBWSTWRR(x) S3C2412_SSMC(x, 0x08) -#define S3C2412_SMBWSTOENR(x) S3C2412_SSMC(x, 0x0C) -#define S3C2412_SMBWSTWENR(x) S3C2412_SSMC(x, 0x10) -#define S3C2412_SMBCR(x) S3C2412_SSMC(x, 0x14) -#define S3C2412_SMBSR(x) S3C2412_SSMC(x, 0x18) -#define S3C2412_SMBWSTBRDR(x) S3C2412_SSMC(x, 0x1C) - -#endif /* __ASM_ARM_REGS_S3C2412_MEM */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412.h b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412.h deleted file mode 100644 index aa69dc79bc38..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2412.h +++ /dev/null @@ -1,23 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-s3c2412.h - * - * Copyright 2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2412 specific register definitions -*/ - -#ifndef __ASM_ARCH_REGS_S3C2412_H -#define __ASM_ARCH_REGS_S3C2412_H "s3c2412" - -#define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) -#define S3C2412_SWRST_RESET (0x533C2412) - -/* see regs-power.h for the other registers in the power block. */ - -#endif /* __ASM_ARCH_REGS_S3C2412_H */ - diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416-mem.h b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416-mem.h deleted file mode 100644 index 2f31b74974af..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416-mem.h +++ /dev/null @@ -1,30 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h - * - * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, - * as part of OpenInkpot project - * Copyright (c) 2009 Promwad Innovation Company - * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2416 memory register definitions -*/ - -#ifndef __ASM_ARM_REGS_S3C2416_MEM -#define __ASM_ARM_REGS_S3C2416_MEM - -#ifndef S3C2416_MEMREG -#define S3C2416_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) -#endif - -#define S3C2416_BANKCFG S3C2416_MEMREG(0x00) -#define S3C2416_BANKCON1 S3C2416_MEMREG(0x04) -#define S3C2416_BANKCON2 S3C2416_MEMREG(0x08) -#define S3C2416_BANKCON3 S3C2416_MEMREG(0x0C) - -#define S3C2416_REFRESH S3C2416_MEMREG(0x10) -#define S3C2416_TIMEOUT S3C2416_MEMREG(0x14) - -#endif /* __ASM_ARM_REGS_S3C2416_MEM */ diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416.h b/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416.h deleted file mode 100644 index e443167efb87..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/regs-s3c2416.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h - * - * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, - * as part of OpenInkpot project - * Copyright (c) 2009 Promwad Innovation Company - * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C2416 specific register definitions -*/ - -#ifndef __ASM_ARCH_REGS_S3C2416_H -#define __ASM_ARCH_REGS_S3C2416_H "s3c2416" - -#define S3C2416_SWRST (S3C24XX_VA_CLKPWR + 0x44) -#define S3C2416_SWRST_RESET (0x533C2416) - -/* see regs-power.h for the other registers in the power block. */ - -#endif /* __ASM_ARCH_REGS_S3C2416_H */ - diff --git a/arch/arm/mach-s3c24xx/include/mach/vr1000-cpld.h b/arch/arm/mach-s3c24xx/include/mach/vr1000-cpld.h deleted file mode 100644 index e4119913d7c5..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/vr1000-cpld.h +++ /dev/null @@ -1,18 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/vr1000-cpld.h - * - * Copyright (c) 2003 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * VR1000 - CPLD control constants - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_VR1000CPLD_H -#define __ASM_ARCH_VR1000CPLD_H - -#define VR1000_CPLD_CTRL2_RAMWEN (0x04) /* SRAM Write Enable */ - -#endif /* __ASM_ARCH_VR1000CPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/vr1000-irq.h b/arch/arm/mach-s3c24xx/include/mach/vr1000-irq.h deleted file mode 100644 index 47add133b8ee..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/vr1000-irq.h +++ /dev/null @@ -1,26 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/vr1000-irq.h - * - * Copyright (c) 2003-2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine VR1000 - IRQ Number definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __ASM_ARCH_VR1000IRQ_H -#define __ASM_ARCH_VR1000IRQ_H - -/* irq numbers to onboard peripherals */ - -#define IRQ_USBOC IRQ_EINT19 -#define IRQ_IDE0 IRQ_EINT16 -#define IRQ_IDE1 IRQ_EINT17 -#define IRQ_VR1000_SERIAL IRQ_EINT12 -#define IRQ_VR1000_DM9000A IRQ_EINT10 -#define IRQ_VR1000_DM9000N IRQ_EINT9 -#define IRQ_SMALERT IRQ_EINT8 - -#endif /* __ASM_ARCH_VR1000IRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/vr1000-map.h b/arch/arm/mach-s3c24xx/include/mach/vr1000-map.h deleted file mode 100644 index 28376e56dd3b..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/vr1000-map.h +++ /dev/null @@ -1,110 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/vr1000-map.h - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine VR1000 - Memory map definitions - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -/* needs arch/map.h including with this */ - -/* ok, we've used up to 0x13000000, now we need to find space for the - * peripherals that live in the nGCS[x] areas, which are quite numerous - * in their space. We also have the board's CPLD to find register space - * for. - */ - -#ifndef __ASM_ARCH_VR1000MAP_H -#define __ASM_ARCH_VR1000MAP_H - -#include <mach/bast-map.h> - -#define VR1000_IOADDR(x) BAST_IOADDR(x) - -/* we put the CPLD registers next, to get them out of the way */ - -#define VR1000_VA_CTRL1 VR1000_IOADDR(0x00000000) /* 0x01300000 */ -#define VR1000_PA_CTRL1 (S3C2410_CS5 | 0x7800000) - -#define VR1000_VA_CTRL2 VR1000_IOADDR(0x00100000) /* 0x01400000 */ -#define VR1000_PA_CTRL2 (S3C2410_CS1 | 0x6000000) - -#define VR1000_VA_CTRL3 VR1000_IOADDR(0x00200000) /* 0x01500000 */ -#define VR1000_PA_CTRL3 (S3C2410_CS1 | 0x6800000) - -#define VR1000_VA_CTRL4 VR1000_IOADDR(0x00300000) /* 0x01600000 */ -#define VR1000_PA_CTRL4 (S3C2410_CS1 | 0x7000000) - -/* next, we have the PC104 ISA interrupt registers */ - -#define VR1000_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ -#define VR1000_VA_PC104_IRQREQ VR1000_IOADDR(0x00400000) - -#define VR1000_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ -#define VR1000_VA_PC104_IRQRAW VR1000_IOADDR(0x00500000) - -#define VR1000_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ -#define VR1000_VA_PC104_IRQMASK VR1000_IOADDR(0x00600000) - -/* 0xE0000000 contains the IO space that is split by speed and - * whether the access is for 8 or 16bit IO... this ensures that - * the correct access is made - * - * 0x10000000 of space, partitioned as so: - * - * 0x00000000 to 0x04000000 8bit, slow - * 0x04000000 to 0x08000000 16bit, slow - * 0x08000000 to 0x0C000000 16bit, net - * 0x0C000000 to 0x10000000 16bit, fast - * - * each of these spaces has the following in: - * - * 0x02000000 to 0x02100000 1MB IDE primary channel - * 0x02100000 to 0x02200000 1MB IDE primary channel aux - * 0x02200000 to 0x02400000 1MB IDE secondary channel - * 0x02300000 to 0x02400000 1MB IDE secondary channel aux - * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controllers - * 0x02600000 to 0x02700000 1MB - * - * the phyiscal layout of the zones are: - * nGCS2 - 8bit, slow - * nGCS3 - 16bit, slow - * nGCS4 - 16bit, net - * nGCS5 - 16bit, fast - */ - -#define VR1000_VA_MULTISPACE (0xE0000000) - -#define VR1000_VA_ISAIO (VR1000_VA_MULTISPACE + 0x00000000) -#define VR1000_VA_ISAMEM (VR1000_VA_MULTISPACE + 0x01000000) -#define VR1000_VA_IDEPRI (VR1000_VA_MULTISPACE + 0x02000000) -#define VR1000_VA_IDEPRIAUX (VR1000_VA_MULTISPACE + 0x02100000) -#define VR1000_VA_IDESEC (VR1000_VA_MULTISPACE + 0x02200000) -#define VR1000_VA_IDESECAUX (VR1000_VA_MULTISPACE + 0x02300000) -#define VR1000_VA_ASIXNET (VR1000_VA_MULTISPACE + 0x02400000) -#define VR1000_VA_DM9000 (VR1000_VA_MULTISPACE + 0x02500000) -#define VR1000_VA_SUPERIO (VR1000_VA_MULTISPACE + 0x02600000) - -/* physical offset addresses for the peripherals */ - -#define VR1000_PA_IDEPRI (0x02000000) -#define VR1000_PA_IDEPRIAUX (0x02800000) -#define VR1000_PA_IDESEC (0x03000000) -#define VR1000_PA_IDESECAUX (0x03800000) -#define VR1000_PA_DM9000 (0x05000000) - -#define VR1000_PA_SERIAL (0x11800000) -#define VR1000_VA_SERIAL (VR1000_IOADDR(0x00700000)) - -/* VR1000 ram is in CS1, with A26..A24 = 2_101 */ -#define VR1000_PA_SRAM (S3C2410_CS1 | 0x05000000) - -/* some configurations for the peripherals */ - -#define VR1000_DM9000_CS VR1000_VAM_CS4 - -#endif /* __ASM_ARCH_VR1000MAP_H */ diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2410.c b/arch/arm/mach-s3c24xx/iotiming-s3c2410.c new file mode 100644 index 000000000000..4cd13ab6496b --- /dev/null +++ b/arch/arm/mach-s3c24xx/iotiming-s3c2410.c @@ -0,0 +1,478 @@ +/* + * Copyright (c) 2006-2009 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C24XX CPU Frequency scaling - IO timing for S3C2410/S3C2440/S3C2442 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/cpufreq.h> +#include <linux/seq_file.h> +#include <linux/io.h> +#include <linux/slab.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> + +#include <plat/cpu-freq-core.h> + +#include "regs-mem.h" + +#define print_ns(x) ((x) / 10), ((x) % 10) + +/** + * s3c2410_print_timing - print bank timing data for debug purposes + * @pfx: The prefix to put on the output + * @timings: The timing inforamtion to print. +*/ +static void s3c2410_print_timing(const char *pfx, + struct s3c_iotimings *timings) +{ + struct s3c2410_iobank_timing *bt; + int bank; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = timings->bank[bank].io_2410; + if (!bt) + continue; + + printk(KERN_DEBUG "%s %d: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, " + "Tcoh=%d.%d, Tcah=%d.%d\n", pfx, bank, + print_ns(bt->tacs), + print_ns(bt->tcos), + print_ns(bt->tacc), + print_ns(bt->tcoh), + print_ns(bt->tcah)); + } +} + +/** + * bank_reg - convert bank number to pointer to the control register. + * @bank: The IO bank number. + */ +static inline void __iomem *bank_reg(unsigned int bank) +{ + return S3C2410_BANKCON0 + (bank << 2); +} + +/** + * bank_is_io - test whether bank is used for IO + * @bankcon: The bank control register. + * + * This is a simplistic test to see if any BANKCON[x] is not an IO + * bank. It currently does not take into account whether BWSCON has + * an illegal width-setting in it, or if the pin connected to nCS[x] + * is actually being handled as a chip-select. + */ +static inline int bank_is_io(unsigned long bankcon) +{ + return !(bankcon & S3C2410_BANKCON_SDRAM); +} + +/** + * to_div - convert cycle time to divisor + * @cyc: The cycle time, in 10ths of nanoseconds. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * + * Convert the given cycle time into the divisor to use to obtain it from + * HCLK. +*/ +static inline unsigned int to_div(unsigned int cyc, unsigned int hclk_tns) +{ + if (cyc == 0) + return 0; + + return DIV_ROUND_UP(cyc, hclk_tns); +} + +/** + * calc_0124 - calculate divisor control for divisors that do /0, /1. /2 and /4 + * @cyc: The cycle time, in 10ths of nanoseconds. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @v: Pointer to register to alter. + * @shift: The shift to get to the control bits. + * + * Calculate the divisor, and turn it into the correct control bits to + * set in the result, @v. + */ +static unsigned int calc_0124(unsigned int cyc, unsigned long hclk_tns, + unsigned long *v, int shift) +{ + unsigned int div = to_div(cyc, hclk_tns); + unsigned long val; + + s3c_freq_iodbg("%s: cyc=%d, hclk=%lu, shift=%d => div %d\n", + __func__, cyc, hclk_tns, shift, div); + + switch (div) { + case 0: + val = 0; + break; + case 1: + val = 1; + break; + case 2: + val = 2; + break; + case 3: + case 4: + val = 3; + break; + default: + return -1; + } + + *v |= val << shift; + return 0; +} + +int calc_tacp(unsigned int cyc, unsigned long hclk, unsigned long *v) +{ + /* Currently no support for Tacp calculations. */ + return 0; +} + +/** + * calc_tacc - calculate divisor control for tacc. + * @cyc: The cycle time, in 10ths of nanoseconds. + * @nwait_en: IS nWAIT enabled for this bank. + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @v: Pointer to register to alter. + * + * Calculate the divisor control for tACC, taking into account whether + * the bank has nWAIT enabled. The result is used to modify the value + * pointed to by @v. +*/ +static int calc_tacc(unsigned int cyc, int nwait_en, + unsigned long hclk_tns, unsigned long *v) +{ + unsigned int div = to_div(cyc, hclk_tns); + unsigned long val; + + s3c_freq_iodbg("%s: cyc=%u, nwait=%d, hclk=%lu => div=%u\n", + __func__, cyc, nwait_en, hclk_tns, div); + + /* if nWait enabled on an bank, Tacc must be at-least 4 cycles. */ + if (nwait_en && div < 4) + div = 4; + + switch (div) { + case 0: + val = 0; + break; + + case 1: + case 2: + case 3: + case 4: + val = div - 1; + break; + + case 5: + case 6: + val = 4; + break; + + case 7: + case 8: + val = 5; + break; + + case 9: + case 10: + val = 6; + break; + + case 11: + case 12: + case 13: + case 14: + val = 7; + break; + + default: + return -1; + } + + *v |= val << 8; + return 0; +} + +/** + * s3c2410_calc_bank - calculate bank timing infromation + * @cfg: The configuration we need to calculate for. + * @bt: The bank timing information. + * + * Given the cycle timine for a bank @bt, calculate the new BANKCON + * setting for the @cfg timing. This updates the timing information + * ready for the cpu frequency change. + */ +static int s3c2410_calc_bank(struct s3c_cpufreq_config *cfg, + struct s3c2410_iobank_timing *bt) +{ + unsigned long hclk = cfg->freq.hclk_tns; + unsigned long res; + int ret; + + res = bt->bankcon; + res &= (S3C2410_BANKCON_SDRAM | S3C2410_BANKCON_PMC16); + + /* tacp: 2,3,4,5 */ + /* tcah: 0,1,2,4 */ + /* tcoh: 0,1,2,4 */ + /* tacc: 1,2,3,4,6,7,10,14 (>4 for nwait) */ + /* tcos: 0,1,2,4 */ + /* tacs: 0,1,2,4 */ + + ret = calc_0124(bt->tacs, hclk, &res, S3C2410_BANKCON_Tacs_SHIFT); + ret |= calc_0124(bt->tcos, hclk, &res, S3C2410_BANKCON_Tcos_SHIFT); + ret |= calc_0124(bt->tcah, hclk, &res, S3C2410_BANKCON_Tcah_SHIFT); + ret |= calc_0124(bt->tcoh, hclk, &res, S3C2410_BANKCON_Tcoh_SHIFT); + + if (ret) + return -EINVAL; + + ret |= calc_tacp(bt->tacp, hclk, &res); + ret |= calc_tacc(bt->tacc, bt->nwait_en, hclk, &res); + + if (ret) + return -EINVAL; + + bt->bankcon = res; + return 0; +} + +static unsigned int tacc_tab[] = { + [0] = 1, + [1] = 2, + [2] = 3, + [3] = 4, + [4] = 6, + [5] = 9, + [6] = 10, + [7] = 14, +}; + +/** + * get_tacc - turn tACC value into cycle time + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @val: The bank timing register value, shifed down. + */ +static unsigned int get_tacc(unsigned long hclk_tns, + unsigned long val) +{ + val &= 7; + return hclk_tns * tacc_tab[val]; +} + +/** + * get_0124 - turn 0/1/2/4 divider into cycle time + * @hclk_tns: The cycle time for HCLK, in 10ths of nanoseconds. + * @val: The bank timing register value, shifed down. + */ +static unsigned int get_0124(unsigned long hclk_tns, + unsigned long val) +{ + val &= 3; + return hclk_tns * ((val == 3) ? 4 : val); +} + +/** + * s3c2410_iotiming_getbank - turn BANKCON into cycle time information + * @cfg: The frequency configuration + * @bt: The bank timing to fill in (uses cached BANKCON) + * + * Given the BANKCON setting in @bt and the current frequency settings + * in @cfg, update the cycle timing information. + */ +void s3c2410_iotiming_getbank(struct s3c_cpufreq_config *cfg, + struct s3c2410_iobank_timing *bt) +{ + unsigned long bankcon = bt->bankcon; + unsigned long hclk = cfg->freq.hclk_tns; + + bt->tcah = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcah_SHIFT); + bt->tcoh = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcoh_SHIFT); + bt->tcos = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcos_SHIFT); + bt->tacs = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tacs_SHIFT); + bt->tacc = get_tacc(hclk, bankcon >> S3C2410_BANKCON_Tacc_SHIFT); +} + +/** + * s3c2410_iotiming_debugfs - debugfs show io bank timing information + * @seq: The seq_file to write output to using seq_printf(). + * @cfg: The current configuration. + * @iob: The IO bank information to decode. + */ +void s3c2410_iotiming_debugfs(struct seq_file *seq, + struct s3c_cpufreq_config *cfg, + union s3c_iobank *iob) +{ + struct s3c2410_iobank_timing *bt = iob->io_2410; + unsigned long bankcon = bt->bankcon; + unsigned long hclk = cfg->freq.hclk_tns; + unsigned int tacs; + unsigned int tcos; + unsigned int tacc; + unsigned int tcoh; + unsigned int tcah; + + seq_printf(seq, "BANKCON=0x%08lx\n", bankcon); + + tcah = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcah_SHIFT); + tcoh = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcoh_SHIFT); + tcos = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tcos_SHIFT); + tacs = get_0124(hclk, bankcon >> S3C2410_BANKCON_Tacs_SHIFT); + tacc = get_tacc(hclk, bankcon >> S3C2410_BANKCON_Tacc_SHIFT); + + seq_printf(seq, + "\tRead: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, Tcoh=%d.%d, Tcah=%d.%d\n", + print_ns(bt->tacs), + print_ns(bt->tcos), + print_ns(bt->tacc), + print_ns(bt->tcoh), + print_ns(bt->tcah)); + + seq_printf(seq, + "\t Set: Tacs=%d.%d, Tcos=%d.%d, Tacc=%d.%d, Tcoh=%d.%d, Tcah=%d.%d\n", + print_ns(tacs), + print_ns(tcos), + print_ns(tacc), + print_ns(tcoh), + print_ns(tcah)); +} + +/** + * s3c2410_iotiming_calc - Calculate bank timing for frequency change. + * @cfg: The frequency configuration + * @iot: The IO timing information to fill out. + * + * Calculate the new values for the banks in @iot based on the new + * frequency information in @cfg. This is then used by s3c2410_iotiming_set() + * to update the timing when necessary. + */ +int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2410_iobank_timing *bt; + unsigned long bankcon; + int bank; + int ret; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bankcon = __raw_readl(bank_reg(bank)); + bt = iot->bank[bank].io_2410; + + if (!bt) + continue; + + bt->bankcon = bankcon; + + ret = s3c2410_calc_bank(cfg, bt); + if (ret) { + printk(KERN_ERR "%s: cannot calculate bank %d io\n", + __func__, bank); + goto err; + } + + s3c_freq_iodbg("%s: bank %d: con=%08lx\n", + __func__, bank, bt->bankcon); + } + + return 0; + err: + return ret; +} + +/** + * s3c2410_iotiming_set - set the IO timings from the given setup. + * @cfg: The frequency configuration + * @iot: The IO timing information to use. + * + * Set all the currently used IO bank timing information generated + * by s3c2410_iotiming_calc() once the core has validated that all + * the new values are within permitted bounds. + */ +void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2410_iobank_timing *bt; + int bank; + + /* set the io timings from the specifier */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2410; + if (!bt) + continue; + + __raw_writel(bt->bankcon, bank_reg(bank)); + } +} + +/** + * s3c2410_iotiming_get - Get the timing information from current registers. + * @cfg: The frequency configuration + * @timings: The IO timing information to fill out. + * + * Calculate the @timings timing information from the current frequency + * information in @cfg, and the new frequency configur + * through all the IO banks, reading the state and then updating @iot + * as necessary. + * + * This is used at the moment on initialisation to get the current + * configuration so that boards do not have to carry their own setup + * if the timings are correct on initialisation. + */ + +int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *timings) +{ + struct s3c2410_iobank_timing *bt; + unsigned long bankcon; + unsigned long bwscon; + int bank; + + bwscon = __raw_readl(S3C2410_BWSCON); + + /* look through all banks to see what is currently set. */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bankcon = __raw_readl(bank_reg(bank)); + + if (!bank_is_io(bankcon)) + continue; + + s3c_freq_iodbg("%s: bank %d: con %08lx\n", + __func__, bank, bankcon); + + bt = kzalloc(sizeof(struct s3c2410_iobank_timing), GFP_KERNEL); + if (!bt) { + printk(KERN_ERR "%s: no memory for bank\n", __func__); + return -ENOMEM; + } + + /* find out in nWait is enabled for bank. */ + + if (bank != 0) { + unsigned long tmp = S3C2410_BWSCON_GET(bwscon, bank); + if (tmp & S3C2410_BWSCON_WS) + bt->nwait_en = 1; + } + + timings->bank[bank].io_2410 = bt; + bt->bankcon = bankcon; + + s3c2410_iotiming_getbank(cfg, bt); + } + + s3c2410_print_timing("get", timings); + return 0; +} diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c new file mode 100644 index 000000000000..663436d9db01 --- /dev/null +++ b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c @@ -0,0 +1,285 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412/S3C2443 (PL093 based) IO timing support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/cpufreq.h> +#include <linux/seq_file.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/slab.h> + +#include <linux/amba/pl093.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> +#include <plat/clock.h> + +#include "s3c2412.h" + +#define print_ns(x) ((x) / 10), ((x) % 10) + +/** + * s3c2412_print_timing - print timing infromation via printk. + * @pfx: The prefix to print each line with. + * @iot: The IO timing information + */ +static void s3c2412_print_timing(const char *pfx, struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + unsigned int bank; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + printk(KERN_DEBUG "%s: %d: idcy=%d.%d wstrd=%d.%d wstwr=%d,%d" + "wstoen=%d.%d wstwen=%d.%d wstbrd=%d.%d\n", pfx, bank, + print_ns(bt->idcy), + print_ns(bt->wstrd), + print_ns(bt->wstwr), + print_ns(bt->wstoen), + print_ns(bt->wstwen), + print_ns(bt->wstbrd)); + } +} + +/** + * to_div - turn a cycle length into a divisor setting. + * @cyc_tns: The cycle time in 10ths of nanoseconds. + * @clk_tns: The clock period in 10ths of nanoseconds. + */ +static inline unsigned int to_div(unsigned int cyc_tns, unsigned int clk_tns) +{ + return cyc_tns ? DIV_ROUND_UP(cyc_tns, clk_tns) : 0; +} + +/** + * calc_timing - calculate timing divisor value and check in range. + * @hwtm: The hardware timing in 10ths of nanoseconds. + * @clk_tns: The clock period in 10ths of nanoseconds. + * @err: Pointer to err variable to update in event of failure. + */ +static unsigned int calc_timing(unsigned int hwtm, unsigned int clk_tns, + unsigned int *err) +{ + unsigned int ret = to_div(hwtm, clk_tns); + + if (ret > 0xf) + *err = -EINVAL; + + return ret; +} + +/** + * s3c2412_calc_bank - calculate the bank divisor settings. + * @cfg: The current frequency configuration. + * @bt: The bank timing. + */ +static int s3c2412_calc_bank(struct s3c_cpufreq_config *cfg, + struct s3c2412_iobank_timing *bt) +{ + unsigned int hclk = cfg->freq.hclk_tns; + int err = 0; + + bt->smbidcyr = calc_timing(bt->idcy, hclk, &err); + bt->smbwstrd = calc_timing(bt->wstrd, hclk, &err); + bt->smbwstwr = calc_timing(bt->wstwr, hclk, &err); + bt->smbwstoen = calc_timing(bt->wstoen, hclk, &err); + bt->smbwstwen = calc_timing(bt->wstwen, hclk, &err); + bt->smbwstbrd = calc_timing(bt->wstbrd, hclk, &err); + + return err; +} + +/** + * s3c2412_iotiming_debugfs - debugfs show io bank timing information + * @seq: The seq_file to write output to using seq_printf(). + * @cfg: The current configuration. + * @iob: The IO bank information to decode. +*/ +void s3c2412_iotiming_debugfs(struct seq_file *seq, + struct s3c_cpufreq_config *cfg, + union s3c_iobank *iob) +{ + struct s3c2412_iobank_timing *bt = iob->io_2412; + + seq_printf(seq, + "\tRead: idcy=%d.%d wstrd=%d.%d wstwr=%d,%d" + "wstoen=%d.%d wstwen=%d.%d wstbrd=%d.%d\n", + print_ns(bt->idcy), + print_ns(bt->wstrd), + print_ns(bt->wstwr), + print_ns(bt->wstoen), + print_ns(bt->wstwen), + print_ns(bt->wstbrd)); +} + +/** + * s3c2412_iotiming_calc - calculate all the bank divisor settings. + * @cfg: The current frequency configuration. + * @iot: The bank timing information. + * + * Calculate the timing information for all the banks that are + * configured as IO, using s3c2412_calc_bank(). + */ +int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + int bank; + int ret; + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + ret = s3c2412_calc_bank(cfg, bt); + if (ret) { + printk(KERN_ERR "%s: cannot calculate bank %d io\n", + __func__, bank); + goto err; + } + } + + return 0; + err: + return ret; +} + +/** + * s3c2412_iotiming_set - set the timing information + * @cfg: The current frequency configuration. + * @iot: The bank timing information. + * + * Set the IO bank information from the details calculated earlier from + * calling s3c2412_iotiming_calc(). + */ +void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *iot) +{ + struct s3c2412_iobank_timing *bt; + void __iomem *regs; + int bank; + + /* set the io timings from the specifier */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + bt = iot->bank[bank].io_2412; + if (!bt) + continue; + + regs = S3C2412_SSMC_BANK(bank); + + __raw_writel(bt->smbidcyr, regs + SMBIDCYR); + __raw_writel(bt->smbwstrd, regs + SMBWSTRDR); + __raw_writel(bt->smbwstwr, regs + SMBWSTWRR); + __raw_writel(bt->smbwstoen, regs + SMBWSTOENR); + __raw_writel(bt->smbwstwen, regs + SMBWSTWENR); + __raw_writel(bt->smbwstbrd, regs + SMBWSTBRDR); + } +} + +static inline unsigned int s3c2412_decode_timing(unsigned int clock, u32 reg) +{ + return (reg & 0xf) * clock; +} + +static void s3c2412_iotiming_getbank(struct s3c_cpufreq_config *cfg, + struct s3c2412_iobank_timing *bt, + unsigned int bank) +{ + unsigned long clk = cfg->freq.hclk_tns; /* ssmc clock??? */ + void __iomem *regs = S3C2412_SSMC_BANK(bank); + + bt->idcy = s3c2412_decode_timing(clk, __raw_readl(regs + SMBIDCYR)); + bt->wstrd = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTRDR)); + bt->wstoen = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTOENR)); + bt->wstwen = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTWENR)); + bt->wstbrd = s3c2412_decode_timing(clk, __raw_readl(regs + SMBWSTBRDR)); +} + +/** + * bank_is_io - return true if bank is (possibly) IO. + * @bank: The bank number. + * @bankcfg: The value of S3C2412_EBI_BANKCFG. + */ +static inline bool bank_is_io(unsigned int bank, u32 bankcfg) +{ + if (bank < 2) + return true; + + return !(bankcfg & (1 << bank)); +} + +int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg, + struct s3c_iotimings *timings) +{ + struct s3c2412_iobank_timing *bt; + u32 bankcfg = __raw_readl(S3C2412_EBI_BANKCFG); + unsigned int bank; + + /* look through all banks to see what is currently set. */ + + for (bank = 0; bank < MAX_BANKS; bank++) { + if (!bank_is_io(bank, bankcfg)) + continue; + + bt = kzalloc(sizeof(struct s3c2412_iobank_timing), GFP_KERNEL); + if (!bt) { + printk(KERN_ERR "%s: no memory for bank\n", __func__); + return -ENOMEM; + } + + timings->bank[bank].io_2412 = bt; + s3c2412_iotiming_getbank(cfg, bt, bank); + } + + s3c2412_print_timing("get", timings); + return 0; +} + +/* this is in here as it is so small, it doesn't currently warrant a file + * to itself. We expect that any s3c24xx needing this is going to also + * need the iotiming support. + */ +void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) +{ + struct s3c_cpufreq_board *board = cfg->board; + u32 refresh; + + WARN_ON(board == NULL); + + /* Reduce both the refresh time (in ns) and the frequency (in MHz) + * down to ensure that we do not overflow 32 bit numbers. + * + * This should work for HCLK up to 133MHz and refresh period up + * to 30usec. + */ + + refresh = (cfg->freq.hclk / 100) * (board->refresh / 10); + refresh = DIV_ROUND_UP(refresh, (1000 * 1000)); /* apply scale */ + refresh &= ((1 << 16) - 1); + + s3c_freq_dbg("%s: refresh value %u\n", __func__, (unsigned int)refresh); + + __raw_writel(refresh, S3C2412_REFRESH); +} diff --git a/arch/arm/mach-s3c24xx/irq-pm.c b/arch/arm/mach-s3c24xx/irq-pm.c index 0efb2e2848c8..e1199599873e 100644 --- a/arch/arm/mach-s3c24xx/irq-pm.c +++ b/arch/arm/mach-s3c24xx/irq-pm.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/syscore_ops.h> #include <plat/cpu.h> #include <plat/pm.h> @@ -29,18 +30,18 @@ * set bit to 1 in allow bitfield to enable the wakeup settings on it */ -unsigned long s3c_irqwake_intallow = 1L << (IRQ_RTC - IRQ_EINT0) | 0xfL; +unsigned long s3c_irqwake_intallow = 1L << 30 | 0xfL; unsigned long s3c_irqwake_eintallow = 0x0000fff0L; int s3c_irq_wake(struct irq_data *data, unsigned int state) { - unsigned long irqbit = 1 << (data->irq - IRQ_EINT0); + unsigned long irqbit = 1 << data->hwirq; if (!(s3c_irqwake_intallow & irqbit)) return -ENOENT; - printk(KERN_INFO "wake %s for irq %d\n", - state ? "enabled" : "disabled", data->irq); + pr_info("wake %s for hwirq %lu\n", + state ? "enabled" : "disabled", data->hwirq); if (!state) s3c_irqwake_intmask |= irqbit; @@ -64,7 +65,7 @@ static unsigned long save_extint[3]; static unsigned long save_eintflt[4]; static unsigned long save_eintmask; -int s3c24xx_irq_suspend(void) +static int s3c24xx_irq_suspend(void) { unsigned int i; @@ -80,7 +81,7 @@ int s3c24xx_irq_suspend(void) return 0; } -void s3c24xx_irq_resume(void) +static void s3c24xx_irq_resume(void) { unsigned int i; @@ -93,3 +94,31 @@ void s3c24xx_irq_resume(void) s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); __raw_writel(save_eintmask, S3C24XX_EINTMASK); } + +struct syscore_ops s3c24xx_irq_syscore_ops = { + .suspend = s3c24xx_irq_suspend, + .resume = s3c24xx_irq_resume, +}; + +#ifdef CONFIG_CPU_S3C2416 +static struct sleep_save s3c2416_irq_save[] = { + SAVE_ITEM(S3C2416_INTMSK2), +}; + +static int s3c2416_irq_suspend(void) +{ + s3c_pm_do_save(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); + + return 0; +} + +static void s3c2416_irq_resume(void) +{ + s3c_pm_do_restore(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save)); +} + +struct syscore_ops s3c2416_irq_syscore_ops = { + .suspend = s3c2416_irq_suspend, + .resume = s3c2416_irq_resume, +}; +#endif diff --git a/arch/arm/mach-s3c24xx/irq-s3c2412.c b/arch/arm/mach-s3c24xx/irq-s3c2412.c index e65619ddbccc..67d763178d3f 100644 --- a/arch/arm/mach-s3c24xx/irq-s3c2412.c +++ b/arch/arm/mach-s3c24xx/irq-s3c2412.c @@ -33,12 +33,13 @@ #include <mach/regs-irq.h> #include <mach/regs-gpio.h> -#include <mach/regs-power.h> #include <plat/cpu.h> #include <plat/irq.h> #include <plat/pm.h> +#include "s3c2412-power.h" + #define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1) #define INTMSK_SUB(start, end) (INTMSK(start, end) << ((start - S3C2410_IRQSUB(0)))) diff --git a/arch/arm/mach-s3c24xx/irq-s3c2416.c b/arch/arm/mach-s3c24xx/irq-s3c2416.c deleted file mode 100644 index ff141b0af26b..000000000000 --- a/arch/arm/mach-s3c24xx/irq-s3c2416.c +++ /dev/null @@ -1,348 +0,0 @@ -/* linux/arch/arm/mach-s3c2416/irq.c - * - * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, - * as part of OpenInkpot project - * Copyright (c) 2009 Promwad Innovation Company - * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/io.h> -#include <linux/syscore_ops.h> - -#include <mach/hardware.h> -#include <asm/irq.h> - -#include <asm/mach/irq.h> - -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> - -#include <plat/cpu.h> -#include <plat/pm.h> -#include <plat/irq.h> - -#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1) - -static inline void s3c2416_irq_demux(unsigned int irq, unsigned int len) -{ - unsigned int subsrc, submsk; - unsigned int end; - - /* read the current pending interrupts, and the mask - * for what it is available */ - - subsrc = __raw_readl(S3C2410_SUBSRCPND); - submsk = __raw_readl(S3C2410_INTSUBMSK); - - subsrc &= ~submsk; - subsrc >>= (irq - S3C2410_IRQSUB(0)); - subsrc &= (1 << len)-1; - - end = len + irq; - - for (; irq < end && subsrc; irq++) { - if (subsrc & 1) - generic_handle_irq(irq); - - subsrc >>= 1; - } -} - -/* WDT/AC97 sub interrupts */ - -static void s3c2416_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc) -{ - s3c2416_irq_demux(IRQ_S3C2443_WDT, 4); -} - -#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0)) -#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97) - -static void s3c2416_irq_wdtac97_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97); -} - -static void s3c2416_irq_wdtac97_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97); -} - -static void s3c2416_irq_wdtac97_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97); -} - -static struct irq_chip s3c2416_irq_wdtac97 = { - .irq_mask = s3c2416_irq_wdtac97_mask, - .irq_unmask = s3c2416_irq_wdtac97_unmask, - .irq_ack = s3c2416_irq_wdtac97_ack, -}; - -/* LCD sub interrupts */ - -static void s3c2416_irq_demux_lcd(unsigned int irq, struct irq_desc *desc) -{ - s3c2416_irq_demux(IRQ_S3C2443_LCD1, 4); -} - -#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0)) -#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4) - -static void s3c2416_irq_lcd_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD); -} - -static void s3c2416_irq_lcd_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_LCD); -} - -static void s3c2416_irq_lcd_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD); -} - -static struct irq_chip s3c2416_irq_lcd = { - .irq_mask = s3c2416_irq_lcd_mask, - .irq_unmask = s3c2416_irq_lcd_unmask, - .irq_ack = s3c2416_irq_lcd_ack, -}; - -/* DMA sub interrupts */ - -static void s3c2416_irq_demux_dma(unsigned int irq, struct irq_desc *desc) -{ - s3c2416_irq_demux(IRQ_S3C2443_DMA0, 6); -} - -#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0)) -#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5) - - -static void s3c2416_irq_dma_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA); -} - -static void s3c2416_irq_dma_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_DMA); -} - -static void s3c2416_irq_dma_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA); -} - -static struct irq_chip s3c2416_irq_dma = { - .irq_mask = s3c2416_irq_dma_mask, - .irq_unmask = s3c2416_irq_dma_unmask, - .irq_ack = s3c2416_irq_dma_ack, -}; - -/* UART3 sub interrupts */ - -static void s3c2416_irq_demux_uart3(unsigned int irq, struct irq_desc *desc) -{ - s3c2416_irq_demux(IRQ_S3C2443_RX3, 3); -} - -#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0)) -#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0))) - -static void s3c2416_irq_uart3_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3); -} - -static void s3c2416_irq_uart3_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_UART3); -} - -static void s3c2416_irq_uart3_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3); -} - -static struct irq_chip s3c2416_irq_uart3 = { - .irq_mask = s3c2416_irq_uart3_mask, - .irq_unmask = s3c2416_irq_uart3_unmask, - .irq_ack = s3c2416_irq_uart3_ack, -}; - -/* second interrupt register */ - -static inline void s3c2416_irq_ack_second(struct irq_data *data) -{ - unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); - - __raw_writel(bitval, S3C2416_SRCPND2); - __raw_writel(bitval, S3C2416_INTPND2); -} - -static void s3c2416_irq_mask_second(struct irq_data *data) -{ - unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); - unsigned long mask; - - mask = __raw_readl(S3C2416_INTMSK2); - mask |= bitval; - __raw_writel(mask, S3C2416_INTMSK2); -} - -static void s3c2416_irq_unmask_second(struct irq_data *data) -{ - unsigned long bitval = 1UL << (data->irq - IRQ_S3C2416_2D); - unsigned long mask; - - mask = __raw_readl(S3C2416_INTMSK2); - mask &= ~bitval; - __raw_writel(mask, S3C2416_INTMSK2); -} - -struct irq_chip s3c2416_irq_second = { - .irq_ack = s3c2416_irq_ack_second, - .irq_mask = s3c2416_irq_mask_second, - .irq_unmask = s3c2416_irq_unmask_second, -}; - - -/* IRQ initialisation code */ - -static int s3c2416_add_sub(unsigned int base, - void (*demux)(unsigned int, - struct irq_desc *), - struct irq_chip *chip, - unsigned int start, unsigned int end) -{ - unsigned int irqno; - - irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq); - irq_set_chained_handler(base, demux); - - for (irqno = start; irqno <= end; irqno++) { - irq_set_chip_and_handler(irqno, chip, handle_level_irq); - set_irq_flags(irqno, IRQF_VALID); - } - - return 0; -} - -static void s3c2416_irq_add_second(void) -{ - unsigned long pend; - unsigned long last; - int irqno; - int i; - - /* first, clear all interrupts pending... */ - last = 0; - for (i = 0; i < 4; i++) { - pend = __raw_readl(S3C2416_INTPND2); - - if (pend == 0 || pend == last) - break; - - __raw_writel(pend, S3C2416_SRCPND2); - __raw_writel(pend, S3C2416_INTPND2); - printk(KERN_INFO "irq: clearing pending status %08x\n", - (int)pend); - last = pend; - } - - for (irqno = IRQ_S3C2416_2D; irqno <= IRQ_S3C2416_I2S1; irqno++) { - switch (irqno) { - case IRQ_S3C2416_RESERVED2: - case IRQ_S3C2416_RESERVED3: - /* no IRQ here */ - break; - default: - irq_set_chip_and_handler(irqno, &s3c2416_irq_second, - handle_edge_irq); - set_irq_flags(irqno, IRQF_VALID); - } - } -} - -static int s3c2416_irq_add(struct device *dev, - struct subsys_interface *sif) -{ - printk(KERN_INFO "S3C2416: IRQ Support\n"); - - s3c2416_add_sub(IRQ_LCD, s3c2416_irq_demux_lcd, &s3c2416_irq_lcd, - IRQ_S3C2443_LCD2, IRQ_S3C2443_LCD4); - - s3c2416_add_sub(IRQ_S3C2443_DMA, s3c2416_irq_demux_dma, - &s3c2416_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5); - - s3c2416_add_sub(IRQ_S3C2443_UART3, s3c2416_irq_demux_uart3, - &s3c2416_irq_uart3, - IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3); - - s3c2416_add_sub(IRQ_WDT, s3c2416_irq_demux_wdtac97, - &s3c2416_irq_wdtac97, - IRQ_S3C2443_WDT, IRQ_S3C2443_AC97); - - s3c2416_irq_add_second(); - - return 0; -} - -static struct subsys_interface s3c2416_irq_interface = { - .name = "s3c2416_irq", - .subsys = &s3c2416_subsys, - .add_dev = s3c2416_irq_add, -}; - -static int __init s3c2416_irq_init(void) -{ - return subsys_interface_register(&s3c2416_irq_interface); -} - -arch_initcall(s3c2416_irq_init); - -#ifdef CONFIG_PM -static struct sleep_save irq_save[] = { - SAVE_ITEM(S3C2416_INTMSK2), -}; - -int s3c2416_irq_suspend(void) -{ - s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); - - return 0; -} - -void s3c2416_irq_resume(void) -{ - s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); -} - -struct syscore_ops s3c2416_irq_syscore_ops = { - .suspend = s3c2416_irq_suspend, - .resume = s3c2416_irq_resume, -}; -#endif diff --git a/arch/arm/mach-s3c24xx/irq-s3c2443.c b/arch/arm/mach-s3c24xx/irq-s3c2443.c deleted file mode 100644 index 5e69109c0928..000000000000 --- a/arch/arm/mach-s3c24xx/irq-s3c2443.c +++ /dev/null @@ -1,281 +0,0 @@ -/* linux/arch/arm/mach-s3c2443/irq.c - * - * Copyright (c) 2007 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/device.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/irq.h> - -#include <asm/mach/irq.h> - -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> - -#include <plat/cpu.h> -#include <plat/pm.h> -#include <plat/irq.h> - -#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1) - -static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len) -{ - unsigned int subsrc, submsk; - unsigned int end; - - /* read the current pending interrupts, and the mask - * for what it is available */ - - subsrc = __raw_readl(S3C2410_SUBSRCPND); - submsk = __raw_readl(S3C2410_INTSUBMSK); - - subsrc &= ~submsk; - subsrc >>= (irq - S3C2410_IRQSUB(0)); - subsrc &= (1 << len)-1; - - end = len + irq; - - for (; irq < end && subsrc; irq++) { - if (subsrc & 1) - generic_handle_irq(irq); - - subsrc >>= 1; - } -} - -/* WDT/AC97 sub interrupts */ - -static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc) -{ - s3c2443_irq_demux(IRQ_S3C2443_WDT, 4); -} - -#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0)) -#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97) - -static void s3c2443_irq_wdtac97_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97); -} - -static void s3c2443_irq_wdtac97_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97); -} - -static void s3c2443_irq_wdtac97_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97); -} - -static struct irq_chip s3c2443_irq_wdtac97 = { - .irq_mask = s3c2443_irq_wdtac97_mask, - .irq_unmask = s3c2443_irq_wdtac97_unmask, - .irq_ack = s3c2443_irq_wdtac97_ack, -}; - -/* LCD sub interrupts */ - -static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc) -{ - s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4); -} - -#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0)) -#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4) - -static void s3c2443_irq_lcd_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD); -} - -static void s3c2443_irq_lcd_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_LCD); -} - -static void s3c2443_irq_lcd_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD); -} - -static struct irq_chip s3c2443_irq_lcd = { - .irq_mask = s3c2443_irq_lcd_mask, - .irq_unmask = s3c2443_irq_lcd_unmask, - .irq_ack = s3c2443_irq_lcd_ack, -}; - -/* DMA sub interrupts */ - -static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc) -{ - s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6); -} - -#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0)) -#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5) - -static void s3c2443_irq_dma_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA); -} - -static void s3c2443_irq_dma_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_DMA); -} - -static void s3c2443_irq_dma_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA); -} - -static struct irq_chip s3c2443_irq_dma = { - .irq_mask = s3c2443_irq_dma_mask, - .irq_unmask = s3c2443_irq_dma_unmask, - .irq_ack = s3c2443_irq_dma_ack, -}; - -/* UART3 sub interrupts */ - -static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc) -{ - s3c2443_irq_demux(IRQ_S3C2443_RX3, 3); -} - -#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0)) -#define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0))) - -static void s3c2443_irq_uart3_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3); -} - -static void s3c2443_irq_uart3_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_UART3); -} - -static void s3c2443_irq_uart3_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3); -} - -static struct irq_chip s3c2443_irq_uart3 = { - .irq_mask = s3c2443_irq_uart3_mask, - .irq_unmask = s3c2443_irq_uart3_unmask, - .irq_ack = s3c2443_irq_uart3_ack, -}; - -/* CAM sub interrupts */ - -static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc) -{ - s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4); -} - -#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0)) -#define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P) - -static void s3c2443_irq_cam_mask(struct irq_data *data) -{ - s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM); -} - -static void s3c2443_irq_cam_unmask(struct irq_data *data) -{ - s3c_irqsub_unmask(data->irq, INTMSK_CAM); -} - -static void s3c2443_irq_cam_ack(struct irq_data *data) -{ - s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM); -} - -static struct irq_chip s3c2443_irq_cam = { - .irq_mask = s3c2443_irq_cam_mask, - .irq_unmask = s3c2443_irq_cam_unmask, - .irq_ack = s3c2443_irq_cam_ack, -}; - -/* IRQ initialisation code */ - -static int s3c2443_add_sub(unsigned int base, - void (*demux)(unsigned int, - struct irq_desc *), - struct irq_chip *chip, - unsigned int start, unsigned int end) -{ - unsigned int irqno; - - irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq); - irq_set_chained_handler(base, demux); - - for (irqno = start; irqno <= end; irqno++) { - irq_set_chip_and_handler(irqno, chip, handle_level_irq); - set_irq_flags(irqno, IRQF_VALID); - } - - return 0; -} - -static int s3c2443_irq_add(struct device *dev, - struct subsys_interface *sif) -{ - printk("S3C2443: IRQ Support\n"); - - s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam, - IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P); - - s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd, - IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4); - - s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma, - &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5); - - s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3, - &s3c2443_irq_uart3, - IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3); - - s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97, - &s3c2443_irq_wdtac97, - IRQ_S3C2443_WDT, IRQ_S3C2443_AC97); - - return 0; -} - -static struct subsys_interface s3c2443_irq_interface = { - .name = "s3c2443_irq", - .subsys = &s3c2443_subsys, - .add_dev = s3c2443_irq_add, -}; - -static int __init s3c2443_irq_init(void) -{ - return subsys_interface_register(&s3c2443_irq_interface); -} - -arch_initcall(s3c2443_irq_init); - diff --git a/arch/arm/mach-s3c24xx/irq.c b/arch/arm/mach-s3c24xx/irq.c new file mode 100644 index 000000000000..cb9f5e011e73 --- /dev/null +++ b/arch/arm/mach-s3c24xx/irq.c @@ -0,0 +1,822 @@ +/* + * S3C24XX IRQ handling + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. +*/ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/device.h> +#include <linux/irqdomain.h> + +#include <asm/mach/irq.h> + +#include <mach/regs-irq.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/regs-irqtype.h> +#include <plat/pm.h> +#include <plat/irq.h> + +#define S3C_IRQTYPE_NONE 0 +#define S3C_IRQTYPE_EINT 1 +#define S3C_IRQTYPE_EDGE 2 +#define S3C_IRQTYPE_LEVEL 3 + +struct s3c_irq_data { + unsigned int type; + unsigned long parent_irq; + + /* data gets filled during init */ + struct s3c_irq_intc *intc; + unsigned long sub_bits; + struct s3c_irq_intc *sub_intc; +}; + +/* + * Sructure holding the controller data + * @reg_pending register holding pending irqs + * @reg_intpnd special register intpnd in main intc + * @reg_mask mask register + * @domain irq_domain of the controller + * @parent parent controller for ext and sub irqs + * @irqs irq-data, always s3c_irq_data[32] + */ +struct s3c_irq_intc { + void __iomem *reg_pending; + void __iomem *reg_intpnd; + void __iomem *reg_mask; + struct irq_domain *domain; + struct s3c_irq_intc *parent; + struct s3c_irq_data *irqs; +}; + +static void s3c_irq_mask(struct irq_data *data) +{ + struct s3c_irq_intc *intc = data->domain->host_data; + struct s3c_irq_intc *parent_intc = intc->parent; + struct s3c_irq_data *irq_data = &intc->irqs[data->hwirq]; + struct s3c_irq_data *parent_data; + unsigned long mask; + unsigned int irqno; + + mask = __raw_readl(intc->reg_mask); + mask |= (1UL << data->hwirq); + __raw_writel(mask, intc->reg_mask); + + if (parent_intc && irq_data->parent_irq) { + parent_data = &parent_intc->irqs[irq_data->parent_irq]; + + /* check to see if we need to mask the parent IRQ */ + if ((mask & parent_data->sub_bits) == parent_data->sub_bits) { + irqno = irq_find_mapping(parent_intc->domain, + irq_data->parent_irq); + s3c_irq_mask(irq_get_irq_data(irqno)); + } + } +} + +static void s3c_irq_unmask(struct irq_data *data) +{ + struct s3c_irq_intc *intc = data->domain->host_data; + struct s3c_irq_intc *parent_intc = intc->parent; + struct s3c_irq_data *irq_data = &intc->irqs[data->hwirq]; + unsigned long mask; + unsigned int irqno; + + mask = __raw_readl(intc->reg_mask); + mask &= ~(1UL << data->hwirq); + __raw_writel(mask, intc->reg_mask); + + if (parent_intc && irq_data->parent_irq) { + irqno = irq_find_mapping(parent_intc->domain, + irq_data->parent_irq); + s3c_irq_unmask(irq_get_irq_data(irqno)); + } +} + +static inline void s3c_irq_ack(struct irq_data *data) +{ + struct s3c_irq_intc *intc = data->domain->host_data; + unsigned long bitval = 1UL << data->hwirq; + + __raw_writel(bitval, intc->reg_pending); + if (intc->reg_intpnd) + __raw_writel(bitval, intc->reg_intpnd); +} + +static int s3c_irqext_type_set(void __iomem *gpcon_reg, + void __iomem *extint_reg, + unsigned long gpcon_offset, + unsigned long extint_offset, + unsigned int type) +{ + unsigned long newvalue = 0, value; + + /* Set the GPIO to external interrupt mode */ + value = __raw_readl(gpcon_reg); + value = (value & ~(3 << gpcon_offset)) | (0x02 << gpcon_offset); + __raw_writel(value, gpcon_reg); + + /* Set the external interrupt to pointed trigger type */ + switch (type) + { + case IRQ_TYPE_NONE: + pr_warn("No edge setting!\n"); + break; + + case IRQ_TYPE_EDGE_RISING: + newvalue = S3C2410_EXTINT_RISEEDGE; + break; + + case IRQ_TYPE_EDGE_FALLING: + newvalue = S3C2410_EXTINT_FALLEDGE; + break; + + case IRQ_TYPE_EDGE_BOTH: + newvalue = S3C2410_EXTINT_BOTHEDGE; + break; + + case IRQ_TYPE_LEVEL_LOW: + newvalue = S3C2410_EXTINT_LOWLEV; + break; + + case IRQ_TYPE_LEVEL_HIGH: + newvalue = S3C2410_EXTINT_HILEV; + break; + + default: + pr_err("No such irq type %d", type); + return -EINVAL; + } + + value = __raw_readl(extint_reg); + value = (value & ~(7 << extint_offset)) | (newvalue << extint_offset); + __raw_writel(value, extint_reg); + + return 0; +} + +/* FIXME: make static when it's out of plat-samsung/irq.h */ +int s3c_irqext_type(struct irq_data *data, unsigned int type) +{ + void __iomem *extint_reg; + void __iomem *gpcon_reg; + unsigned long gpcon_offset, extint_offset; + + if ((data->hwirq >= 4) && (data->hwirq <= 7)) { + gpcon_reg = S3C2410_GPFCON; + extint_reg = S3C24XX_EXTINT0; + gpcon_offset = (data->hwirq) * 2; + extint_offset = (data->hwirq) * 4; + } else if ((data->hwirq >= 8) && (data->hwirq <= 15)) { + gpcon_reg = S3C2410_GPGCON; + extint_reg = S3C24XX_EXTINT1; + gpcon_offset = (data->hwirq - 8) * 2; + extint_offset = (data->hwirq - 8) * 4; + } else if ((data->hwirq >= 16) && (data->hwirq <= 23)) { + gpcon_reg = S3C2410_GPGCON; + extint_reg = S3C24XX_EXTINT2; + gpcon_offset = (data->hwirq - 8) * 2; + extint_offset = (data->hwirq - 16) * 4; + } else { + return -EINVAL; + } + + return s3c_irqext_type_set(gpcon_reg, extint_reg, gpcon_offset, + extint_offset, type); +} + +static int s3c_irqext0_type(struct irq_data *data, unsigned int type) +{ + void __iomem *extint_reg; + void __iomem *gpcon_reg; + unsigned long gpcon_offset, extint_offset; + + if ((data->hwirq >= 0) && (data->hwirq <= 3)) { + gpcon_reg = S3C2410_GPFCON; + extint_reg = S3C24XX_EXTINT0; + gpcon_offset = (data->hwirq) * 2; + extint_offset = (data->hwirq) * 4; + } else { + return -EINVAL; + } + + return s3c_irqext_type_set(gpcon_reg, extint_reg, gpcon_offset, + extint_offset, type); +} + +struct irq_chip s3c_irq_chip = { + .name = "s3c", + .irq_ack = s3c_irq_ack, + .irq_mask = s3c_irq_mask, + .irq_unmask = s3c_irq_unmask, + .irq_set_wake = s3c_irq_wake +}; + +struct irq_chip s3c_irq_level_chip = { + .name = "s3c-level", + .irq_mask = s3c_irq_mask, + .irq_unmask = s3c_irq_unmask, + .irq_ack = s3c_irq_ack, +}; + +static struct irq_chip s3c_irqext_chip = { + .name = "s3c-ext", + .irq_mask = s3c_irq_mask, + .irq_unmask = s3c_irq_unmask, + .irq_ack = s3c_irq_ack, + .irq_set_type = s3c_irqext_type, + .irq_set_wake = s3c_irqext_wake +}; + +static struct irq_chip s3c_irq_eint0t4 = { + .name = "s3c-ext0", + .irq_ack = s3c_irq_ack, + .irq_mask = s3c_irq_mask, + .irq_unmask = s3c_irq_unmask, + .irq_set_wake = s3c_irq_wake, + .irq_set_type = s3c_irqext0_type, +}; + +static void s3c_irq_demux(unsigned int irq, struct irq_desc *desc) +{ + struct irq_chip *chip = irq_desc_get_chip(desc); + struct s3c_irq_intc *intc = desc->irq_data.domain->host_data; + struct s3c_irq_data *irq_data = &intc->irqs[desc->irq_data.hwirq]; + struct s3c_irq_intc *sub_intc = irq_data->sub_intc; + unsigned long src; + unsigned long msk; + unsigned int n; + + chained_irq_enter(chip, desc); + + src = __raw_readl(sub_intc->reg_pending); + msk = __raw_readl(sub_intc->reg_mask); + + src &= ~msk; + src &= irq_data->sub_bits; + + while (src) { + n = __ffs(src); + src &= ~(1 << n); + generic_handle_irq(irq_find_mapping(sub_intc->domain, n)); + } + + chained_irq_exit(chip, desc); +} + +#ifdef CONFIG_FIQ +/** + * s3c24xx_set_fiq - set the FIQ routing + * @irq: IRQ number to route to FIQ on processor. + * @on: Whether to route @irq to the FIQ, or to remove the FIQ routing. + * + * Change the state of the IRQ to FIQ routing depending on @irq and @on. If + * @on is true, the @irq is checked to see if it can be routed and the + * interrupt controller updated to route the IRQ. If @on is false, the FIQ + * routing is cleared, regardless of which @irq is specified. + */ +int s3c24xx_set_fiq(unsigned int irq, bool on) +{ + u32 intmod; + unsigned offs; + + if (on) { + offs = irq - FIQ_START; + if (offs > 31) + return -EINVAL; + + intmod = 1 << offs; + } else { + intmod = 0; + } + + __raw_writel(intmod, S3C2410_INTMOD); + return 0; +} + +EXPORT_SYMBOL_GPL(s3c24xx_set_fiq); +#endif + +static int s3c24xx_irq_map(struct irq_domain *h, unsigned int virq, + irq_hw_number_t hw) +{ + struct s3c_irq_intc *intc = h->host_data; + struct s3c_irq_data *irq_data = &intc->irqs[hw]; + struct s3c_irq_intc *parent_intc; + struct s3c_irq_data *parent_irq_data; + unsigned int irqno; + + if (!intc) { + pr_err("irq-s3c24xx: no controller found for hwirq %lu\n", hw); + return -EINVAL; + } + + if (!irq_data) { + pr_err("irq-s3c24xx: no irq data found for hwirq %lu\n", hw); + return -EINVAL; + } + + /* attach controller pointer to irq_data */ + irq_data->intc = intc; + + /* set handler and flags */ + switch (irq_data->type) { + case S3C_IRQTYPE_NONE: + return 0; + case S3C_IRQTYPE_EINT: + if (irq_data->parent_irq) + irq_set_chip_and_handler(virq, &s3c_irqext_chip, + handle_edge_irq); + else + irq_set_chip_and_handler(virq, &s3c_irq_eint0t4, + handle_edge_irq); + break; + case S3C_IRQTYPE_EDGE: + if (irq_data->parent_irq || + intc->reg_pending == S3C2416_SRCPND2) + irq_set_chip_and_handler(virq, &s3c_irq_level_chip, + handle_edge_irq); + else + irq_set_chip_and_handler(virq, &s3c_irq_chip, + handle_edge_irq); + break; + case S3C_IRQTYPE_LEVEL: + if (irq_data->parent_irq) + irq_set_chip_and_handler(virq, &s3c_irq_level_chip, + handle_level_irq); + else + irq_set_chip_and_handler(virq, &s3c_irq_chip, + handle_level_irq); + break; + default: + pr_err("irq-s3c24xx: unsupported irqtype %d\n", irq_data->type); + return -EINVAL; + } + set_irq_flags(virq, IRQF_VALID); + + if (irq_data->parent_irq) { + parent_intc = intc->parent; + if (!parent_intc) { + pr_err("irq-s3c24xx: no parent controller found for hwirq %lu\n", + hw); + goto err; + } + + parent_irq_data = &parent_intc->irqs[irq_data->parent_irq]; + if (!irq_data) { + pr_err("irq-s3c24xx: no irq data found for hwirq %lu\n", + hw); + goto err; + } + + parent_irq_data->sub_intc = intc; + parent_irq_data->sub_bits |= (1UL << hw); + + /* attach the demuxer to the parent irq */ + irqno = irq_find_mapping(parent_intc->domain, + irq_data->parent_irq); + if (!irqno) { + pr_err("irq-s3c24xx: could not find mapping for parent irq %lu\n", + irq_data->parent_irq); + goto err; + } + irq_set_chained_handler(irqno, s3c_irq_demux); + } + + return 0; + +err: + set_irq_flags(virq, 0); + + /* the only error can result from bad mapping data*/ + return -EINVAL; +} + +static struct irq_domain_ops s3c24xx_irq_ops = { + .map = s3c24xx_irq_map, + .xlate = irq_domain_xlate_twocell, +}; + +static void s3c24xx_clear_intc(struct s3c_irq_intc *intc) +{ + void __iomem *reg_source; + unsigned long pend; + unsigned long last; + int i; + + /* if intpnd is set, read the next pending irq from there */ + reg_source = intc->reg_intpnd ? intc->reg_intpnd : intc->reg_pending; + + last = 0; + for (i = 0; i < 4; i++) { + pend = __raw_readl(reg_source); + + if (pend == 0 || pend == last) + break; + + __raw_writel(pend, intc->reg_pending); + if (intc->reg_intpnd) + __raw_writel(pend, intc->reg_intpnd); + + pr_info("irq: clearing pending status %08x\n", (int)pend); + last = pend; + } +} + +struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np, + struct s3c_irq_data *irq_data, + struct s3c_irq_intc *parent, + unsigned long address) +{ + struct s3c_irq_intc *intc; + void __iomem *base = (void *)0xf6000000; /* static mapping */ + int irq_num; + int irq_start; + int irq_offset; + int ret; + + intc = kzalloc(sizeof(struct s3c_irq_intc), GFP_KERNEL); + if (!intc) + return ERR_PTR(-ENOMEM); + + intc->irqs = irq_data; + + if (parent) + intc->parent = parent; + + /* select the correct data for the controller. + * Need to hard code the irq num start and offset + * to preserve the static mapping for now + */ + switch (address) { + case 0x4a000000: + pr_debug("irq: found main intc\n"); + intc->reg_pending = base; + intc->reg_mask = base + 0x08; + intc->reg_intpnd = base + 0x10; + irq_num = 32; + irq_start = S3C2410_IRQ(0); + irq_offset = 0; + break; + case 0x4a000018: + pr_debug("irq: found subintc\n"); + intc->reg_pending = base + 0x18; + intc->reg_mask = base + 0x1c; + irq_num = 29; + irq_start = S3C2410_IRQSUB(0); + irq_offset = 0; + break; + case 0x4a000040: + pr_debug("irq: found intc2\n"); + intc->reg_pending = base + 0x40; + intc->reg_mask = base + 0x48; + intc->reg_intpnd = base + 0x50; + irq_num = 8; + irq_start = S3C2416_IRQ(0); + irq_offset = 0; + break; + case 0x560000a4: + pr_debug("irq: found eintc\n"); + base = (void *)0xfd000000; + + intc->reg_mask = base + 0xa4; + intc->reg_pending = base + 0x08; + irq_num = 20; + irq_start = S3C2410_IRQ(32); + irq_offset = 4; + break; + default: + pr_err("irq: unsupported controller address\n"); + ret = -EINVAL; + goto err; + } + + /* now that all the data is complete, init the irq-domain */ + s3c24xx_clear_intc(intc); + intc->domain = irq_domain_add_legacy(np, irq_num, irq_start, + irq_offset, &s3c24xx_irq_ops, + intc); + if (!intc->domain) { + pr_err("irq: could not create irq-domain\n"); + ret = -EINVAL; + goto err; + } + + return intc; + +err: + kfree(intc); + return ERR_PTR(ret); +} + +/* s3c24xx_init_irq + * + * Initialise S3C2410 IRQ system +*/ + +static struct s3c_irq_data init_base[32] = { + { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */ + { .type = S3C_IRQTYPE_EDGE, }, /* TICK */ + { .type = S3C_IRQTYPE_EDGE, }, /* WDT */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */ + { .type = S3C_IRQTYPE_EDGE, }, /* LCD */ + { .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */ + { .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SDI */ + { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBD */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBH */ + { .type = S3C_IRQTYPE_EDGE, }, /* IIC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* RTC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */ +}; + +static struct s3c_irq_data init_eint[32] = { + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT4 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT5 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT6 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT7 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT8 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT9 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT10 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT11 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT12 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT13 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT14 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT15 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT16 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT17 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT18 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT19 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT20 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT21 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT22 */ + { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT23 */ +}; + +static struct s3c_irq_data init_subint[32] = { + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */ +}; + +void __init s3c24xx_init_irq(void) +{ + struct s3c_irq_intc *main_intc; + +#ifdef CONFIG_FIQ + init_FIQ(FIQ_START); +#endif + + main_intc = s3c24xx_init_intc(NULL, &init_base[0], NULL, 0x4a000000); + if (IS_ERR(main_intc)) { + pr_err("irq: could not create main interrupt controller\n"); + return; + } + + s3c24xx_init_intc(NULL, &init_subint[0], main_intc, 0x4a000018); + s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); +} + +#ifdef CONFIG_CPU_S3C2416 +static struct s3c_irq_data init_s3c2416base[32] = { + { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */ + { .type = S3C_IRQTYPE_EDGE, }, /* TICK */ + { .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* LCD */ + { .type = S3C_IRQTYPE_LEVEL, }, /* DMA */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART3 */ + { .type = S3C_IRQTYPE_NONE, }, /* reserved */ + { .type = S3C_IRQTYPE_EDGE, }, /* SDI1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SDI0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* NAND */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBD */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBH */ + { .type = S3C_IRQTYPE_EDGE, }, /* IIC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */ + { .type = S3C_IRQTYPE_NONE, }, + { .type = S3C_IRQTYPE_EDGE, }, /* RTC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */ +}; + +static struct s3c_irq_data init_s3c2416subint[32] = { + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD2 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD3 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD4 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA0 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA1 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA2 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA3 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA4 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA5 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */ +}; + +static struct s3c_irq_data init_s3c2416_second[32] = { + { .type = S3C_IRQTYPE_EDGE }, /* 2D */ + { .type = S3C_IRQTYPE_EDGE }, /* IIC1 */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_EDGE }, /* PCM0 */ + { .type = S3C_IRQTYPE_EDGE }, /* PCM1 */ + { .type = S3C_IRQTYPE_EDGE }, /* I2S0 */ + { .type = S3C_IRQTYPE_EDGE }, /* I2S1 */ +}; + +void __init s3c2416_init_irq(void) +{ + struct s3c_irq_intc *main_intc; + + pr_info("S3C2416: IRQ Support\n"); + +#ifdef CONFIG_FIQ + init_FIQ(FIQ_START); +#endif + + main_intc = s3c24xx_init_intc(NULL, &init_s3c2416base[0], NULL, 0x4a000000); + if (IS_ERR(main_intc)) { + pr_err("irq: could not create main interrupt controller\n"); + return; + } + + s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); + s3c24xx_init_intc(NULL, &init_s3c2416subint[0], main_intc, 0x4a000018); + + s3c24xx_init_intc(NULL, &init_s3c2416_second[0], NULL, 0x4a000040); +} + +#endif + +#ifdef CONFIG_CPU_S3C2443 +static struct s3c_irq_data init_s3c2443base[32] = { + { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */ + { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* CAM */ + { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */ + { .type = S3C_IRQTYPE_EDGE, }, /* TICK */ + { .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */ + { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* LCD */ + { .type = S3C_IRQTYPE_LEVEL, }, /* DMA */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART3 */ + { .type = S3C_IRQTYPE_EDGE, }, /* CFON */ + { .type = S3C_IRQTYPE_EDGE, }, /* SDI1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SDI0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* NAND */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBD */ + { .type = S3C_IRQTYPE_EDGE, }, /* USBH */ + { .type = S3C_IRQTYPE_EDGE, }, /* IIC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */ + { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */ + { .type = S3C_IRQTYPE_EDGE, }, /* RTC */ + { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */ +}; + + +static struct s3c_irq_data init_s3c2443subint[32] = { + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */ + { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* CAM_C */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* CAM_P */ + { .type = S3C_IRQTYPE_NONE }, /* reserved */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD1 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD2 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD3 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD4 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA0 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA1 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA2 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA3 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA4 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA5 */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-RX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-TX */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-ERR */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */ + { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */ +}; + +void __init s3c2443_init_irq(void) +{ + struct s3c_irq_intc *main_intc; + + pr_info("S3C2443: IRQ Support\n"); + +#ifdef CONFIG_FIQ + init_FIQ(FIQ_START); +#endif + + main_intc = s3c24xx_init_intc(NULL, &init_s3c2443base[0], NULL, 0x4a000000); + if (IS_ERR(main_intc)) { + pr_err("irq: could not create main interrupt controller\n"); + return; + } + + s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4); + s3c24xx_init_intc(NULL, &init_s3c2443subint[0], main_intc, 0x4a000018); +} +#endif diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c index f4ad99c1e476..0e0279e79150 100644 --- a/arch/arm/mach-s3c24xx/mach-amlm5900.c +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c @@ -237,6 +237,6 @@ MACHINE_START(AML_M5900, "AML_M5900") .map_io = amlm5900_map_io, .init_irq = s3c24xx_init_irq, .init_machine = amlm5900_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-anubis.c b/arch/arm/mach-s3c24xx/mach-anubis.c index 1ee8c4638743..bb595f15ce36 100644 --- a/arch/arm/mach-s3c24xx/mach-anubis.c +++ b/arch/arm/mach-s3c24xx/mach-anubis.c @@ -28,17 +28,12 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/anubis-map.h> -#include <mach/anubis-irq.h> -#include <mach/anubis-cpld.h> - #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach-types.h> #include <plat/regs-serial.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <linux/platform_data/mtd-nand-s3c2410.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -55,8 +50,9 @@ #include <plat/cpu.h> #include <linux/platform_data/asoc-s3c24xx_simtec.h> -#include "simtec.h" +#include "anubis.h" #include "common.h" +#include "simtec.h" #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics" @@ -237,7 +233,7 @@ static struct pata_platform_info anubis_ide_platdata = { static struct resource anubis_ide0_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS3, 8 * 32), [2] = DEFINE_RES_MEM(S3C2410_CS3 + (1 << 26) + (6 * 32), 32), - [3] = DEFINE_RES_IRQ(IRQ_IDE0), + [3] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0), }; static struct platform_device anubis_device_ide0 = { @@ -254,7 +250,7 @@ static struct platform_device anubis_device_ide0 = { static struct resource anubis_ide1_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS4, 8 * 32), [1] = DEFINE_RES_MEM(S3C2410_CS4 + (1 << 26) + (6 * 32), 32), - [2] = DEFINE_RES_IRQ(IRQ_IDE0), + [2] = DEFINE_RES_IRQ(ANUBIS_IRQ_IDE0), }; static struct platform_device anubis_device_ide1 = { @@ -279,7 +275,7 @@ static struct ax_plat_data anubis_asix_platdata = { static struct resource anubis_asix_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS5, 0x20 * 0x20), - [1] = DEFINE_RES_IRQ(IRQ_ASIX), + [1] = DEFINE_RES_IRQ(ANUBIS_IRQ_ASIX), }; static struct platform_device anubis_device_asix = { @@ -448,6 +444,6 @@ MACHINE_START(ANUBIS, "Simtec-Anubis") .map_io = anubis_map_io, .init_machine = anubis_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c index 00381fe5de32..b4bc60c78ebb 100644 --- a/arch/arm/mach-s3c24xx/mach-at2440evb.c +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/types.h> +#include <linux/gpio.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/timer.h> @@ -34,7 +35,6 @@ #include <plat/regs-serial.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <linux/platform_data/mtd-nand-s3c2410.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -210,6 +210,6 @@ MACHINE_START(AT2440EVB, "AT2440EVB") .map_io = at2440evb_map_io, .init_machine = at2440evb_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-s3c24xx/mach-bast.c index 6a30ce7e4aa7..ca6618081041 100644 --- a/arch/arm/mach-s3c24xx/mach-bast.c +++ b/arch/arm/mach-s3c24xx/mach-bast.c @@ -24,48 +24,41 @@ #include <linux/ata_platform.h> #include <linux/i2c.h> #include <linux/io.h> +#include <linux/serial_8250.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <linux/platform_data/hwmon-s3c.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> #include <net/ax88796.h> +#include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> - -#include <mach/bast-map.h> -#include <mach/bast-irq.h> -#include <mach/bast-cpld.h> - -#include <mach/hardware.h> -#include <asm/irq.h> #include <asm/mach-types.h> -//#include <asm/debug-ll.h> -#include <plat/regs-serial.h> +#include <mach/fb.h> +#include <mach/hardware.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> -#include <linux/platform_data/hwmon-s3c.h> -#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <linux/platform_data/i2c-s3c2410.h> -#include <mach/fb.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/mtd/partitions.h> - -#include <linux/serial_8250.h> - #include <plat/clock.h> -#include <plat/devs.h> #include <plat/cpu.h> #include <plat/cpu-freq.h> +#include <plat/devs.h> #include <plat/gpio-cfg.h> -#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <plat/regs-serial.h> -#include "simtec.h" +#include "bast.h" #include "common.h" +#include "simtec.h" #define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics" @@ -312,7 +305,7 @@ static struct s3c2410_platform_nand __initdata bast_nand_info = { static struct resource bast_dm9k_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000, 4), [1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_DM9000 + 0x40, 0x40), - [2] = DEFINE_RES_NAMED(IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \ + [2] = DEFINE_RES_NAMED(BAST_IRQ_DM9000 , 1, NULL, IORESOURCE_IRQ \ | IORESOURCE_IRQ_HIGHLEVEL), }; @@ -343,7 +336,7 @@ static struct platform_device bast_device_dm9k = { static struct plat_serial8250_port bast_sio_data[] = { [0] = { .mapbase = SERIAL_BASE + 0x2f8, - .irq = IRQ_PCSERIAL1, + .irq = BAST_IRQ_PCSERIAL1, .flags = SERIAL_FLAGS, .iotype = UPIO_MEM, .regshift = 0, @@ -351,7 +344,7 @@ static struct plat_serial8250_port bast_sio_data[] = { }, [1] = { .mapbase = SERIAL_BASE + 0x3f8, - .irq = IRQ_PCSERIAL2, + .irq = BAST_IRQ_PCSERIAL2, .flags = SERIAL_FLAGS, .iotype = UPIO_MEM, .regshift = 0, @@ -390,7 +383,7 @@ static struct ax_plat_data bast_asix_platdata = { static struct resource bast_asix_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET, 0x18 * 0x20), [1] = DEFINE_RES_MEM(S3C2410_CS5 + BAST_PA_ASIXNET + (0x1f * 0x20), 1), - [2] = DEFINE_RES_IRQ(IRQ_ASIX), + [2] = DEFINE_RES_IRQ(BAST_IRQ_ASIX), }; static struct platform_device bast_device_asix = { @@ -612,6 +605,6 @@ MACHINE_START(BAST, "Simtec-BAST") .map_io = bast_map_io, .init_irq = s3c24xx_init_irq, .init_machine = bast_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c index 973b87ca87f4..a25e8c5a7b4c 100644 --- a/arch/arm/mach-s3c24xx/mach-gta02.c +++ b/arch/arm/mach-s3c24xx/mach-gta02.c @@ -1,6 +1,4 @@ /* - * linux/arch/arm/mach-s3c2442/mach-gta02.c - * * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner. * * Copyright (C) 2006-2009 by Openmoko, Inc. @@ -23,7 +21,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA - * */ #include <linux/kernel.h> @@ -34,62 +31,59 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/gpio.h> +#include <linux/gpio_keys.h> #include <linux/workqueue.h> #include <linux/platform_device.h> #include <linux/serial_core.h> -#include <linux/spi/spi.h> -#include <linux/spi/s3c24xx.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/i2c.h> #include <linux/mmc/host.h> +#include <linux/mfd/pcf50633/adc.h> +#include <linux/mfd/pcf50633/backlight.h> +#include <linux/mfd/pcf50633/core.h> +#include <linux/mfd/pcf50633/gpio.h> +#include <linux/mfd/pcf50633/mbc.h> +#include <linux/mfd/pcf50633/pmic.h> + #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> -#include <linux/io.h> -#include <linux/i2c.h> #include <linux/regulator/machine.h> -#include <linux/mfd/pcf50633/core.h> -#include <linux/mfd/pcf50633/mbc.h> -#include <linux/mfd/pcf50633/adc.h> -#include <linux/mfd/pcf50633/gpio.h> -#include <linux/mfd/pcf50633/pmic.h> -#include <linux/mfd/pcf50633/backlight.h> - -#include <linux/input.h> -#include <linux/gpio_keys.h> +#include <linux/spi/spi.h> +#include <linux/spi/s3c24xx.h> +#include <asm/irq.h> +#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <asm/irq.h> -#include <asm/mach-types.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-ohci-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> -#include <mach/regs-irq.h> -#include <mach/regs-gpio.h> #include <mach/fb.h> - -#include <linux/platform_data/usb-ohci-s3c2410.h> -#include <mach/regs-mem.h> #include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-irq.h> -#include <mach/gta02.h> - -#include <plat/regs-serial.h> -#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <plat/devs.h> #include <plat/cpu.h> -#include <plat/pm.h> -#include <linux/platform_data/usb-s3c2410_udc.h> +#include <plat/devs.h> #include <plat/gpio-cfg.h> -#include <linux/platform_data/i2c-s3c2410.h> -#include <linux/platform_data/touchscreen-s3c2410.h> +#include <plat/pm.h> +#include <plat/regs-serial.h> #include "common.h" +#include "gta02.h" static struct pcf50633 *gta02_pcf; @@ -595,6 +589,6 @@ MACHINE_START(NEO1973_GTA02, "GTA02") .map_io = gta02_map_io, .init_irq = s3c24xx_init_irq, .init_machine = gta02_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c index b23dd1b106e8..79bc0830d740 100644 --- a/arch/arm/mach-s3c24xx/mach-h1940.c +++ b/arch/arm/mach-s3c24xx/mach-h1940.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2410/mach-h1940.c - * +/* * Copyright (c) 2003-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * @@ -37,40 +36,36 @@ #include <linux/mmc/host.h> #include <linux/export.h> +#include <asm/irq.h> +#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include <plat/regs-serial.h> -#include <mach/regs-lcd.h> -#include <mach/regs-clock.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> -#include <mach/regs-gpio.h> -#include <mach/gpio-fns.h> -#include <mach/gpio-nrs.h> +#include <sound/uda1380.h> -#include <mach/h1940.h> -#include <mach/h1940-latch.h> #include <mach/fb.h> -#include <linux/platform_data/usb-s3c2410_udc.h> -#include <linux/platform_data/i2c-s3c2410.h> +#include <mach/hardware.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> -#include <plat/gpio-cfg.h> #include <plat/clock.h> -#include <plat/devs.h> #include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> #include <plat/pll.h> #include <plat/pm.h> -#include <linux/platform_data/mmc-s3cmci.h> -#include <linux/platform_data/touchscreen-s3c2410.h> +#include <plat/regs-serial.h> -#include <sound/uda1380.h> #include "common.h" +#include "h1940.h" #define H1940_LATCH ((void __force __iomem *)0xF8000000) @@ -746,6 +741,6 @@ MACHINE_START(H1940, "IPAQ-H1940") .reserve = h1940_reserve, .init_irq = h1940_init_irq, .init_machine = h1940_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c index c9954e26b492..54e83c1f780c 100644 --- a/arch/arm/mach-s3c24xx/mach-jive.c +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -35,9 +35,7 @@ #include <linux/platform_data/mtd-nand-s3c2410.h> #include <linux/platform_data/i2c-s3c2410.h> -#include <mach/regs-power.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/fb.h> @@ -56,6 +54,8 @@ #include <plat/pm.h> #include <linux/platform_data/usb-s3c2410_udc.h> +#include "s3c2412-power.h" + static struct map_desc jive_iodesc[] __initdata = { }; @@ -661,6 +661,6 @@ MACHINE_START(JIVE, "JIVE") .init_irq = s3c24xx_init_irq, .map_io = jive_map_io, .init_machine = jive_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c index a31d5b83e5f7..2865e5919f2c 100644 --- a/arch/arm/mach-s3c24xx/mach-mini2440.c +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c @@ -40,7 +40,6 @@ #include <plat/regs-serial.h> #include <mach/regs-gpio.h> #include <linux/platform_data/leds-s3c24xx.h> -#include <mach/regs-mem.h> #include <mach/regs-lcd.h> #include <mach/irqs.h> #include <linux/platform_data/mtd-nand-s3c2410.h> @@ -688,6 +687,6 @@ MACHINE_START(MINI2440, "MINI2440") .map_io = mini2440_map_io, .init_machine = mini2440_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c index c53a9bfe1417..d9d04b240295 100644 --- a/arch/arm/mach-s3c24xx/mach-n30.c +++ b/arch/arm/mach-s3c24xx/mach-n30.c @@ -589,7 +589,7 @@ MACHINE_START(N30, "Acer-N30") Ben Dooks <ben-linux@fluff.org> */ .atag_offset = 0x100, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .init_machine = n30_init, .init_irq = s3c24xx_init_irq, .map_io = n30_map_io, @@ -600,7 +600,7 @@ MACHINE_START(N35, "Acer-N35") /* Maintainer: Christer Weinigel <christer@weinigel.se> */ .atag_offset = 0x100, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .init_machine = n30_init, .init_irq = s3c24xx_init_irq, .map_io = n30_map_io, diff --git a/arch/arm/mach-s3c24xx/mach-nexcoder.c b/arch/arm/mach-s3c24xx/mach-nexcoder.c index a2b92b0898e2..a454e2461860 100644 --- a/arch/arm/mach-s3c24xx/mach-nexcoder.c +++ b/arch/arm/mach-s3c24xx/mach-nexcoder.c @@ -153,6 +153,6 @@ MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440") .map_io = nexcoder_map_io, .init_machine = nexcoder_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-osiris.c b/arch/arm/mach-s3c24xx/mach-osiris.c index c52100ef2322..ae2cbdf3e3ca 100644 --- a/arch/arm/mach-s3c24xx/mach-osiris.c +++ b/arch/arm/mach-s3c24xx/mach-osiris.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2440/mach-osiris.c - * +/* * Copyright (c) 2005-2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> @@ -26,22 +25,12 @@ #include <linux/i2c/tps65010.h> +#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> - -#include <mach/osiris-map.h> -#include <mach/osiris-cpld.h> - -#include <mach/hardware.h> #include <asm/irq.h> -#include <asm/mach-types.h> -#include <plat/cpu-freq.h> -#include <plat/regs-serial.h> -#include <mach/regs-gpio.h> -#include <mach/regs-mem.h> -#include <mach/regs-lcd.h> #include <linux/platform_data/mtd-nand-s3c2410.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -50,12 +39,20 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> -#include <plat/gpio-cfg.h> #include <plat/clock.h> -#include <plat/devs.h> #include <plat/cpu.h> +#include <plat/cpu-freq.h> +#include <plat/devs.h> +#include <plat/gpio-cfg.h> +#include <plat/regs-serial.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> #include "common.h" +#include "osiris.h" +#include "regs-mem.h" /* onboard perihperal map */ @@ -429,6 +426,6 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS") .map_io = osiris_map_io, .init_irq = s3c24xx_init_irq, .init_machine = osiris_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-otom.c b/arch/arm/mach-s3c24xx/mach-otom.c index bca39f0232b3..40a47d6c6a85 100644 --- a/arch/arm/mach-s3c24xx/mach-otom.c +++ b/arch/arm/mach-s3c24xx/mach-otom.c @@ -1,4 +1,4 @@ -/* linux/arch/arm/mach-s3c2410/mach-otom.c +/* * * Copyright (c) 2004 Nex Vision * Guillaume GOURAT <guillaume.gourat@nexvision.fr> @@ -6,7 +6,6 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * */ #include <linux/kernel.h> @@ -19,26 +18,25 @@ #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/otom-map.h> - #include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include <plat/regs-serial.h> #include <mach/regs-gpio.h> -#include <plat/s3c2410.h> #include <plat/clock.h> -#include <plat/devs.h> -#include <linux/platform_data/i2c-s3c2410.h> #include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/regs-serial.h> +#include <plat/s3c2410.h> #include "common.h" +#include "otom.h" static struct map_desc otom11_iodesc[] __initdata = { /* Device area */ @@ -118,6 +116,6 @@ MACHINE_START(OTOM, "Nex Vision - Otom 1.1") .map_io = otom11_map_io, .init_machine = otom11_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c index 7b6ba13d7285..56175f0941b1 100644 --- a/arch/arm/mach-s3c24xx/mach-qt2410.c +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c @@ -343,6 +343,6 @@ MACHINE_START(QT2410, "QT2410") .map_io = qt2410_map_io, .init_irq = s3c24xx_init_irq, .init_machine = qt2410_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index 0606f2faaa5c..1f9ba2ae5288 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2440/mach-rx1950.c - * +/* * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev, * Copyright (c) 2007-2010 Vasily Khoruzhick * @@ -37,31 +36,31 @@ #include <linux/mmc/host.h> +#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <asm/mach-types.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/touchscreen-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <sound/uda1380.h> + +#include <mach/fb.h> #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/h1940.h> -#include <mach/fb.h> #include <plat/clock.h> -#include <plat/regs-serial.h> -#include <plat/regs-iic.h> -#include <linux/platform_data/mmc-s3cmci.h> -#include <linux/platform_data/usb-s3c2410_udc.h> -#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <linux/platform_data/i2c-s3c2410.h> -#include <plat/devs.h> #include <plat/cpu.h> +#include <plat/devs.h> #include <plat/pm.h> -#include <plat/irq.h> -#include <linux/platform_data/touchscreen-s3c2410.h> - -#include <sound/uda1380.h> +#include <plat/regs-iic.h> +#include <plat/regs-serial.h> #include "common.h" +#include "h1940.h" #define LCD_PWM_PERIOD 192960 #define LCD_PWM_DUTY 127353 @@ -814,6 +813,6 @@ MACHINE_START(RX1950, "HP iPAQ RX1950") .reserve = rx1950_reserve, .init_irq = s3c24xx_init_irq, .init_machine = rx1950_init_machine, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx3715.c b/arch/arm/mach-s3c24xx/mach-rx3715.c index dacbb9a2122a..f20418a2fb1b 100644 --- a/arch/arm/mach-s3c24xx/mach-rx3715.c +++ b/arch/arm/mach-s3c24xx/mach-rx3715.c @@ -31,27 +31,27 @@ #include <linux/mtd/partitions.h> #include <asm/mach/arch.h> -#include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <asm/mach/map.h> + +#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach-types.h> -#include <plat/regs-serial.h> +#include <mach/fb.h> +#include <mach/hardware.h> #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/h1940.h> -#include <linux/platform_data/mtd-nand-s3c2410.h> -#include <mach/fb.h> - #include <plat/clock.h> -#include <plat/devs.h> #include <plat/cpu.h> +#include <plat/devs.h> #include <plat/pm.h> +#include <plat/regs-serial.h> #include "common.h" +#include "h1940.h" static struct map_desc rx3715_iodesc[] __initdata = { /* dump ISA space somewhere unused */ @@ -212,6 +212,6 @@ MACHINE_START(RX3715, "IPAQ-RX3715") .reserve = rx3715_reserve, .init_irq = rx3715_init_irq, .init_machine = rx3715_init_machine, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2410.c b/arch/arm/mach-s3c24xx/mach-smdk2410.c index 82796b97cb04..e184bfa9613a 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2410.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2410.c @@ -117,6 +117,6 @@ MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switc .map_io = smdk2410_map_io, .init_irq = s3c24xx_init_irq, .init_machine = smdk2410_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-s3c24xx/mach-smdk2413.c index ce99fd8bbbc5..86d7847c9d45 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2413.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c @@ -37,7 +37,6 @@ #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/idle.h> #include <linux/platform_data/usb-s3c2410_udc.h> #include <linux/platform_data/i2c-s3c2410.h> #include <mach/fb.h> @@ -133,7 +132,7 @@ MACHINE_START(S3C2413, "S3C2413") .init_irq = s3c24xx_init_irq, .map_io = smdk2413_map_io, .init_machine = smdk2413_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2412_restart, MACHINE_END @@ -145,7 +144,7 @@ MACHINE_START(SMDK2412, "SMDK2412") .init_irq = s3c24xx_init_irq, .map_io = smdk2413_map_io, .init_machine = smdk2413_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2412_restart, MACHINE_END @@ -157,6 +156,6 @@ MACHINE_START(SMDK2413, "SMDK2413") .init_irq = s3c24xx_init_irq, .map_io = smdk2413_map_io, .init_machine = smdk2413_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c index f30d7fccbfee..ebb2e61f3d07 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2416.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c @@ -39,7 +39,6 @@ #include <mach/regs-lcd.h> #include <mach/regs-s3c2443-clock.h> -#include <mach/idle.h> #include <linux/platform_data/leds-s3c24xx.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -251,9 +250,9 @@ MACHINE_START(SMDK2416, "SMDK2416") /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */ .atag_offset = 0x100, - .init_irq = s3c24xx_init_irq, + .init_irq = s3c2416_init_irq, .map_io = smdk2416_map_io, .init_machine = smdk2416_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2416_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2440.c b/arch/arm/mach-s3c24xx/mach-smdk2440.c index b7ff882c6ce6..08cc38c8a4ae 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2440.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2440.c @@ -35,7 +35,6 @@ #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/idle.h> #include <mach/fb.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -182,6 +181,6 @@ MACHINE_START(S3C2440, "SMDK2440") .init_irq = s3c24xx_init_irq, .map_io = smdk2440_map_io, .init_machine = smdk2440_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2443.c b/arch/arm/mach-s3c24xx/mach-smdk2443.c index 2568656f046f..fc65d74d3c73 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2443.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2443.c @@ -35,7 +35,6 @@ #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/idle.h> #include <mach/fb.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -141,9 +140,9 @@ MACHINE_START(SMDK2443, "SMDK2443") /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ .atag_offset = 0x100, - .init_irq = s3c24xx_init_irq, + .init_irq = s3c2443_init_irq, .map_io = smdk2443_map_io, .init_machine = smdk2443_machine_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2443_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-s3c24xx/mach-tct_hammer.c index 495bf5cf52e9..24b3d79e7b2c 100644 --- a/arch/arm/mach-s3c24xx/mach-tct_hammer.c +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c @@ -149,6 +149,6 @@ MACHINE_START(TCT_HAMMER, "TCT_HAMMER") .map_io = tct_hammer_map_io, .init_irq = s3c24xx_init_irq, .init_machine = tct_hammer_init, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-s3c24xx/mach-vr1000.c index 14d5b12e388c..ec42d1e4e465 100644 --- a/arch/arm/mach-s3c24xx/mach-vr1000.c +++ b/arch/arm/mach-s3c24xx/mach-vr1000.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2410/mach-vr1000.c - * +/* * Copyright (c) 2003-2008 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * @@ -32,27 +31,25 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/bast-map.h> -#include <mach/vr1000-map.h> -#include <mach/vr1000-irq.h> -#include <mach/vr1000-cpld.h> - -#include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach-types.h> -#include <plat/regs-serial.h> -#include <mach/regs-gpio.h> #include <linux/platform_data/leds-s3c24xx.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/asoc-s3c24xx_simtec.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> #include <plat/clock.h> -#include <plat/devs.h> #include <plat/cpu.h> -#include <linux/platform_data/i2c-s3c2410.h> -#include <linux/platform_data/asoc-s3c24xx_simtec.h> +#include <plat/devs.h> +#include <plat/regs-serial.h> -#include "simtec.h" +#include "bast.h" #include "common.h" +#include "simtec.h" +#include "vr1000.h" /* macros for virtual address mods for the io space entries */ #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) @@ -143,7 +140,7 @@ static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = { static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = VR1000_SERIAL_MAPBASE(0), - .irq = IRQ_VR1000_SERIAL + 0, + .irq = VR1000_IRQ_SERIAL + 0, .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, @@ -151,7 +148,7 @@ static struct plat_serial8250_port serial_platform_data[] = { }, [1] = { .mapbase = VR1000_SERIAL_MAPBASE(1), - .irq = IRQ_VR1000_SERIAL + 1, + .irq = VR1000_IRQ_SERIAL + 1, .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, @@ -159,7 +156,7 @@ static struct plat_serial8250_port serial_platform_data[] = { }, [2] = { .mapbase = VR1000_SERIAL_MAPBASE(2), - .irq = IRQ_VR1000_SERIAL + 2, + .irq = VR1000_IRQ_SERIAL + 2, .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, @@ -167,7 +164,7 @@ static struct plat_serial8250_port serial_platform_data[] = { }, [3] = { .mapbase = VR1000_SERIAL_MAPBASE(3), - .irq = IRQ_VR1000_SERIAL + 3, + .irq = VR1000_IRQ_SERIAL + 3, .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 0, @@ -189,14 +186,14 @@ static struct platform_device serial_device = { static struct resource vr1000_dm9k0_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4), [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40), - [2] = DEFINE_RES_NAMED(IRQ_VR1000_DM9000A, 1, NULL, IORESOURCE_IRQ \ + [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \ | IORESOURCE_IRQ_HIGHLEVEL), }; static struct resource vr1000_dm9k1_resource[] = { [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4), [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40), - [2] = DEFINE_RES_NAMED(IRQ_VR1000_DM9000N, 1, NULL, IORESOURCE_IRQ \ + [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \ | IORESOURCE_IRQ_HIGHLEVEL), }; @@ -357,6 +354,6 @@ MACHINE_START(VR1000, "Thorcom-VR1000") .map_io = vr1000_map_io, .init_machine = vr1000_init, .init_irq = s3c24xx_init_irq, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vstms.c b/arch/arm/mach-s3c24xx/mach-vstms.c index f1d44ae11833..3e2bfddc9df1 100644 --- a/arch/arm/mach-s3c24xx/mach-vstms.c +++ b/arch/arm/mach-s3c24xx/mach-vstms.c @@ -36,7 +36,6 @@ #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> -#include <mach/idle.h> #include <mach/fb.h> #include <linux/platform_data/i2c-s3c2410.h> @@ -161,6 +160,6 @@ MACHINE_START(VSTMS, "VSTMS") .init_irq = s3c24xx_init_irq, .init_machine = vstms_init, .map_io = vstms_map_io, - .timer = &s3c24xx_timer, + .init_time = s3c24xx_timer_init, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/include/mach/osiris-map.h b/arch/arm/mach-s3c24xx/osiris.h index 17380f848428..b8d56074abac 100644 --- a/arch/arm/mach-s3c24xx/include/mach/osiris-map.h +++ b/arch/arm/mach-s3c24xx/osiris.h @@ -1,9 +1,9 @@ -/* arch/arm/mach-s3c2410/include/mach/osiris-map.h - * +/* * Copyright 2005 Simtec Electronics * http://www.simtec.co.uk/products/ * Ben Dooks <ben@simtec.co.uk> * + * OSIRIS - CPLD control constants * OSIRIS - Memory map definitions * * This program is free software; you can redistribute it and/or modify @@ -11,10 +11,21 @@ * published by the Free Software Foundation. */ -/* needs arch/map.h including with this */ +#ifndef __MACH_S3C24XX_OSIRIS_H +#define __MACH_S3C24XX_OSIRIS_H __FILE__ + +/* CTRL0 - NAND WP control */ + +#define OSIRIS_CTRL0_NANDSEL (0x3) +#define OSIRIS_CTRL0_BOOT_INT (1<<3) +#define OSIRIS_CTRL0_PCMCIA (1<<4) +#define OSIRIS_CTRL0_FIX8 (1<<5) +#define OSIRIS_CTRL0_PCMCIA_nWAIT (1<<6) +#define OSIRIS_CTRL0_PCMCIA_nIOIS16 (1<<7) + +#define OSIRIS_CTRL1_FIX8 (1<<0) -#ifndef __ASM_ARCH_OSIRISMAP_H -#define __ASM_ARCH_OSIRISMAP_H +#define OSIRIS_ID_REVMASK (0x7) /* start peripherals off after the S3C2410 */ @@ -39,4 +50,4 @@ #define OSIRIS_VA_IDREG OSIRIS_IOADDR(0x00700000) #define OSIRIS_PA_IDREG (OSIRIS_PA_CPLD + (7<<23)) -#endif /* __ASM_ARCH_OSIRISMAP_H */ +#endif /* __MACH_S3C24XX_OSIRIS_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/otom-map.h b/arch/arm/mach-s3c24xx/otom.h index f9277a52c145..321b7be1c0f7 100644 --- a/arch/arm/mach-s3c24xx/include/mach/otom-map.h +++ b/arch/arm/mach-s3c24xx/otom.h @@ -1,5 +1,4 @@ -/* arch/arm/mach-s3c2410/include/mach/otom-map.h - * +/* * (c) 2005 Guillaume GOURAT / NexVision * guillaume.gourat@nexvision.fr * @@ -10,21 +9,20 @@ * published by the Free Software Foundation. */ -/* needs arch/map.h including with this */ - -/* ok, we've used up to 0x01300000, now we need to find space for the +/* + * ok, we've used up to 0x01300000, now we need to find space for the * peripherals that live in the nGCS[x] areas, which are quite numerous * in their space. */ -#ifndef __ASM_ARCH_OTOMMAP_H -#define __ASM_ARCH_OTOMMAP_H +#ifndef __MACH_S3C24XX_OTOM_H +#define __MACH_S3C24XX_OTOM_H __FILE__ -#define OTOM_PA_CS8900A_BASE (S3C2410_CS3 + 0x01000000) /* nGCS3 +0x01000000 */ -#define OTOM_VA_CS8900A_BASE S3C2410_ADDR(0x04000000) /* 0xF4000000 */ +#define OTOM_PA_CS8900A_BASE (S3C2410_CS3 + 0x01000000) /* nGCS3 +0x01000000 */ +#define OTOM_VA_CS8900A_BASE S3C2410_ADDR(0x04000000) /* 0xF4000000 */ /* physical offset addresses for the peripherals */ -#define OTOM_PA_FLASH0_BASE (S3C2410_CS0) /* Bank 0 */ +#define OTOM_PA_FLASH0_BASE (S3C2410_CS0) -#endif /* __ASM_ARCH_OTOMMAP_H */ +#endif /* __MACH_S3C24XX_OTOM_H */ diff --git a/arch/arm/mach-s3c24xx/pll-s3c2410.c b/arch/arm/mach-s3c24xx/pll-s3c2410.c new file mode 100644 index 000000000000..dcf3420a3271 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2410.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2006-2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2410 CPU PLL tables + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table pll_vals_12MHz[] = { + { .frequency = 34000000, .index = PLLVAL(82, 2, 3), }, + { .frequency = 45000000, .index = PLLVAL(82, 1, 3), }, + { .frequency = 51000000, .index = PLLVAL(161, 3, 3), }, + { .frequency = 48000000, .index = PLLVAL(120, 2, 3), }, + { .frequency = 56000000, .index = PLLVAL(142, 2, 3), }, + { .frequency = 68000000, .index = PLLVAL(82, 2, 2), }, + { .frequency = 79000000, .index = PLLVAL(71, 1, 2), }, + { .frequency = 85000000, .index = PLLVAL(105, 2, 2), }, + { .frequency = 90000000, .index = PLLVAL(112, 2, 2), }, + { .frequency = 101000000, .index = PLLVAL(127, 2, 2), }, + { .frequency = 113000000, .index = PLLVAL(105, 1, 2), }, + { .frequency = 118000000, .index = PLLVAL(150, 2, 2), }, + { .frequency = 124000000, .index = PLLVAL(116, 1, 2), }, + { .frequency = 135000000, .index = PLLVAL(82, 2, 1), }, + { .frequency = 147000000, .index = PLLVAL(90, 2, 1), }, + { .frequency = 152000000, .index = PLLVAL(68, 1, 1), }, + { .frequency = 158000000, .index = PLLVAL(71, 1, 1), }, + { .frequency = 170000000, .index = PLLVAL(77, 1, 1), }, + { .frequency = 180000000, .index = PLLVAL(82, 1, 1), }, + { .frequency = 186000000, .index = PLLVAL(85, 1, 1), }, + { .frequency = 192000000, .index = PLLVAL(88, 1, 1), }, + { .frequency = 203000000, .index = PLLVAL(161, 3, 1), }, + + /* 2410A extras */ + + { .frequency = 210000000, .index = PLLVAL(132, 2, 1), }, + { .frequency = 226000000, .index = PLLVAL(105, 1, 1), }, + { .frequency = 266000000, .index = PLLVAL(125, 1, 1), }, + { .frequency = 268000000, .index = PLLVAL(126, 1, 1), }, + { .frequency = 270000000, .index = PLLVAL(127, 1, 1), }, +}; + +static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif) +{ + return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz)); +} + +static struct subsys_interface s3c2410_plls_interface = { + .name = "s3c2410_plls", + .subsys = &s3c2410_subsys, + .add_dev = s3c2410_plls_add, +}; + +static int __init s3c2410_pll_init(void) +{ + return subsys_interface_register(&s3c2410_plls_interface); + +} +arch_initcall(s3c2410_pll_init); + +static struct subsys_interface s3c2410a_plls_interface = { + .name = "s3c2410a_plls", + .subsys = &s3c2410a_subsys, + .add_dev = s3c2410_plls_add, +}; + +static int __init s3c2410a_pll_init(void) +{ + return subsys_interface_register(&s3c2410a_plls_interface); +} +arch_initcall(s3c2410a_pll_init); diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c new file mode 100644 index 000000000000..673781758319 --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2006-2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2440/S3C2442 CPU PLL tables (12MHz Crystal) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = { + { .frequency = 75000000, .index = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */ + { .frequency = 80000000, .index = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */ + { .frequency = 90000000, .index = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */ + { .frequency = 100000000, .index = PLLVAL(0x5c, 1, 3), }, /* FVco 800.000000 */ + { .frequency = 110000000, .index = PLLVAL(0x66, 1, 3), }, /* FVco 880.000000 */ + { .frequency = 120000000, .index = PLLVAL(0x70, 1, 3), }, /* FVco 960.000000 */ + { .frequency = 150000000, .index = PLLVAL(0x75, 3, 2), }, /* FVco 600.000000 */ + { .frequency = 160000000, .index = PLLVAL(0x98, 4, 2), }, /* FVco 640.000000 */ + { .frequency = 170000000, .index = PLLVAL(0x4d, 1, 2), }, /* FVco 680.000000 */ + { .frequency = 180000000, .index = PLLVAL(0x70, 2, 2), }, /* FVco 720.000000 */ + { .frequency = 190000000, .index = PLLVAL(0x57, 1, 2), }, /* FVco 760.000000 */ + { .frequency = 200000000, .index = PLLVAL(0x5c, 1, 2), }, /* FVco 800.000000 */ + { .frequency = 210000000, .index = PLLVAL(0x84, 2, 2), }, /* FVco 840.000000 */ + { .frequency = 220000000, .index = PLLVAL(0x66, 1, 2), }, /* FVco 880.000000 */ + { .frequency = 230000000, .index = PLLVAL(0x6b, 1, 2), }, /* FVco 920.000000 */ + { .frequency = 240000000, .index = PLLVAL(0x70, 1, 2), }, /* FVco 960.000000 */ + { .frequency = 300000000, .index = PLLVAL(0x75, 3, 1), }, /* FVco 600.000000 */ + { .frequency = 310000000, .index = PLLVAL(0x93, 4, 1), }, /* FVco 620.000000 */ + { .frequency = 320000000, .index = PLLVAL(0x98, 4, 1), }, /* FVco 640.000000 */ + { .frequency = 330000000, .index = PLLVAL(0x66, 2, 1), }, /* FVco 660.000000 */ + { .frequency = 340000000, .index = PLLVAL(0x4d, 1, 1), }, /* FVco 680.000000 */ + { .frequency = 350000000, .index = PLLVAL(0xa7, 4, 1), }, /* FVco 700.000000 */ + { .frequency = 360000000, .index = PLLVAL(0x70, 2, 1), }, /* FVco 720.000000 */ + { .frequency = 370000000, .index = PLLVAL(0xb1, 4, 1), }, /* FVco 740.000000 */ + { .frequency = 380000000, .index = PLLVAL(0x57, 1, 1), }, /* FVco 760.000000 */ + { .frequency = 390000000, .index = PLLVAL(0x7a, 2, 1), }, /* FVco 780.000000 */ + { .frequency = 400000000, .index = PLLVAL(0x5c, 1, 1), }, /* FVco 800.000000 */ +}; + +static int s3c2440_plls12_add(struct device *dev, struct subsys_interface *sif) +{ + struct clk *xtal_clk; + unsigned long xtal; + + xtal_clk = clk_get(NULL, "xtal"); + if (IS_ERR(xtal_clk)) + return PTR_ERR(xtal_clk); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + if (xtal == 12000000) { + printk(KERN_INFO "Using PLL table for 12MHz crystal\n"); + return s3c_plltab_register(s3c2440_plls_12, + ARRAY_SIZE(s3c2440_plls_12)); + } + + return 0; +} + +static struct subsys_interface s3c2440_plls12_interface = { + .name = "s3c2440_plls12", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_plls12_add, +}; + +static int __init s3c2440_pll_12mhz(void) +{ + return subsys_interface_register(&s3c2440_plls12_interface); + +} +arch_initcall(s3c2440_pll_12mhz); + +static struct subsys_interface s3c2442_plls12_interface = { + .name = "s3c2442_plls12", + .subsys = &s3c2442_subsys, + .add_dev = s3c2440_plls12_add, +}; + +static int __init s3c2442_pll_12mhz(void) +{ + return subsys_interface_register(&s3c2442_plls12_interface); + +} +arch_initcall(s3c2442_pll_12mhz); diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c new file mode 100644 index 000000000000..debfa106289b --- /dev/null +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2006-2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@arm.linux.org.uk> + * + * S3C2440/S3C2442 CPU PLL tables (16.93444MHz Crystal) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/clk.h> +#include <linux/err.h> + +#include <plat/cpu.h> +#include <plat/cpu-freq-core.h> + +static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = { + { .frequency = 78019200, .index = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */ + { .frequency = 84067200, .index = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */ + { .frequency = 90115200, .index = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */ + { .frequency = 96163200, .index = PLLVAL(151, 5, 3), }, /* FVco 769.305600 */ + { .frequency = 102135600, .index = PLLVAL(185, 6, 3), }, /* FVco 817.084800 */ + { .frequency = 108259200, .index = PLLVAL(171, 5, 3), }, /* FVco 866.073600 */ + { .frequency = 114307200, .index = PLLVAL(127, 3, 3), }, /* FVco 914.457600 */ + { .frequency = 120234240, .index = PLLVAL(134, 3, 3), }, /* FVco 961.873920 */ + { .frequency = 126161280, .index = PLLVAL(141, 3, 3), }, /* FVco 1009.290240 */ + { .frequency = 132088320, .index = PLLVAL(148, 3, 3), }, /* FVco 1056.706560 */ + { .frequency = 138015360, .index = PLLVAL(155, 3, 3), }, /* FVco 1104.122880 */ + { .frequency = 144789120, .index = PLLVAL(163, 3, 3), }, /* FVco 1158.312960 */ + { .frequency = 150100363, .index = PLLVAL(187, 9, 2), }, /* FVco 600.401454 */ + { .frequency = 156038400, .index = PLLVAL(121, 5, 2), }, /* FVco 624.153600 */ + { .frequency = 162086400, .index = PLLVAL(126, 5, 2), }, /* FVco 648.345600 */ + { .frequency = 168134400, .index = PLLVAL(131, 5, 2), }, /* FVco 672.537600 */ + { .frequency = 174048000, .index = PLLVAL(177, 7, 2), }, /* FVco 696.192000 */ + { .frequency = 180230400, .index = PLLVAL(141, 5, 2), }, /* FVco 720.921600 */ + { .frequency = 186278400, .index = PLLVAL(124, 4, 2), }, /* FVco 745.113600 */ + { .frequency = 192326400, .index = PLLVAL(151, 5, 2), }, /* FVco 769.305600 */ + { .frequency = 198132480, .index = PLLVAL(109, 3, 2), }, /* FVco 792.529920 */ + { .frequency = 204271200, .index = PLLVAL(185, 6, 2), }, /* FVco 817.084800 */ + { .frequency = 210268800, .index = PLLVAL(141, 4, 2), }, /* FVco 841.075200 */ + { .frequency = 216518400, .index = PLLVAL(171, 5, 2), }, /* FVco 866.073600 */ + { .frequency = 222264000, .index = PLLVAL(97, 2, 2), }, /* FVco 889.056000 */ + { .frequency = 228614400, .index = PLLVAL(127, 3, 2), }, /* FVco 914.457600 */ + { .frequency = 234259200, .index = PLLVAL(158, 4, 2), }, /* FVco 937.036800 */ + { .frequency = 240468480, .index = PLLVAL(134, 3, 2), }, /* FVco 961.873920 */ + { .frequency = 246960000, .index = PLLVAL(167, 4, 2), }, /* FVco 987.840000 */ + { .frequency = 252322560, .index = PLLVAL(141, 3, 2), }, /* FVco 1009.290240 */ + { .frequency = 258249600, .index = PLLVAL(114, 2, 2), }, /* FVco 1032.998400 */ + { .frequency = 264176640, .index = PLLVAL(148, 3, 2), }, /* FVco 1056.706560 */ + { .frequency = 270950400, .index = PLLVAL(120, 2, 2), }, /* FVco 1083.801600 */ + { .frequency = 276030720, .index = PLLVAL(155, 3, 2), }, /* FVco 1104.122880 */ + { .frequency = 282240000, .index = PLLVAL(92, 1, 2), }, /* FVco 1128.960000 */ + { .frequency = 289578240, .index = PLLVAL(163, 3, 2), }, /* FVco 1158.312960 */ + { .frequency = 294235200, .index = PLLVAL(131, 2, 2), }, /* FVco 1176.940800 */ + { .frequency = 300200727, .index = PLLVAL(187, 9, 1), }, /* FVco 600.401454 */ + { .frequency = 306358690, .index = PLLVAL(191, 9, 1), }, /* FVco 612.717380 */ + { .frequency = 312076800, .index = PLLVAL(121, 5, 1), }, /* FVco 624.153600 */ + { .frequency = 318366720, .index = PLLVAL(86, 3, 1), }, /* FVco 636.733440 */ + { .frequency = 324172800, .index = PLLVAL(126, 5, 1), }, /* FVco 648.345600 */ + { .frequency = 330220800, .index = PLLVAL(109, 4, 1), }, /* FVco 660.441600 */ + { .frequency = 336268800, .index = PLLVAL(131, 5, 1), }, /* FVco 672.537600 */ + { .frequency = 342074880, .index = PLLVAL(93, 3, 1), }, /* FVco 684.149760 */ + { .frequency = 348096000, .index = PLLVAL(177, 7, 1), }, /* FVco 696.192000 */ + { .frequency = 355622400, .index = PLLVAL(118, 4, 1), }, /* FVco 711.244800 */ + { .frequency = 360460800, .index = PLLVAL(141, 5, 1), }, /* FVco 720.921600 */ + { .frequency = 366206400, .index = PLLVAL(165, 6, 1), }, /* FVco 732.412800 */ + { .frequency = 372556800, .index = PLLVAL(124, 4, 1), }, /* FVco 745.113600 */ + { .frequency = 378201600, .index = PLLVAL(126, 4, 1), }, /* FVco 756.403200 */ + { .frequency = 384652800, .index = PLLVAL(151, 5, 1), }, /* FVco 769.305600 */ + { .frequency = 391608000, .index = PLLVAL(177, 6, 1), }, /* FVco 783.216000 */ + { .frequency = 396264960, .index = PLLVAL(109, 3, 1), }, /* FVco 792.529920 */ + { .frequency = 402192000, .index = PLLVAL(87, 2, 1), }, /* FVco 804.384000 */ +}; + +static int s3c2440_plls169344_add(struct device *dev, + struct subsys_interface *sif) +{ + struct clk *xtal_clk; + unsigned long xtal; + + xtal_clk = clk_get(NULL, "xtal"); + if (IS_ERR(xtal_clk)) + return PTR_ERR(xtal_clk); + + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + if (xtal == 169344000) { + printk(KERN_INFO "Using PLL table for 16.9344MHz crystal\n"); + return s3c_plltab_register(s3c2440_plls_169344, + ARRAY_SIZE(s3c2440_plls_169344)); + } + + return 0; +} + +static struct subsys_interface s3c2440_plls169344_interface = { + .name = "s3c2440_plls169344", + .subsys = &s3c2440_subsys, + .add_dev = s3c2440_plls169344_add, +}; + +static int __init s3c2440_pll_16934400(void) +{ + return subsys_interface_register(&s3c2440_plls169344_interface); +} +arch_initcall(s3c2440_pll_16934400); + +static struct subsys_interface s3c2442_plls169344_interface = { + .name = "s3c2442_plls169344", + .subsys = &s3c2442_subsys, + .add_dev = s3c2440_plls169344_add, +}; + +static int __init s3c2442_pll_16934400(void) +{ + return subsys_interface_register(&s3c2442_plls169344_interface); +} +arch_initcall(s3c2442_pll_16934400); diff --git a/arch/arm/mach-s3c24xx/pm-s3c2410.c b/arch/arm/mach-s3c24xx/pm-s3c2410.c index 949ae05e07c5..2d82c4f116cd 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2410.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2410.c @@ -29,16 +29,16 @@ #include <linux/gpio.h> #include <linux/io.h> -#include <mach/hardware.h> - #include <asm/mach-types.h> +#include <mach/hardware.h> #include <mach/regs-gpio.h> -#include <mach/h1940.h> #include <plat/cpu.h> #include <plat/pm.h> +#include "h1940.h" + static void s3c2410_pm_prepare(void) { /* ensure at least GSTATUS3 has the resume address */ diff --git a/arch/arm/mach-s3c24xx/pm-s3c2412.c b/arch/arm/mach-s3c24xx/pm-s3c2412.c index f5dc2b254a5a..668a78a8b195 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2412.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2412.c @@ -21,19 +21,19 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <mach/hardware.h> #include <asm/cacheflush.h> #include <asm/irq.h> -#include <mach/regs-power.h> +#include <mach/hardware.h> #include <mach/regs-gpio.h> -#include <mach/regs-dsc.h> #include <plat/cpu.h> #include <plat/pm.h> - #include <plat/s3c2412.h> +#include "regs-dsc.h" +#include "s3c2412-power.h" + extern void s3c2412_sleep_enter(void); static int s3c2412_cpu_suspend(unsigned long arg) diff --git a/arch/arm/mach-s3c24xx/pm-s3c2416.c b/arch/arm/mach-s3c24xx/pm-s3c2416.c index 1a9e8dd194ff..44923895f558 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2416.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2416.c @@ -16,12 +16,13 @@ #include <asm/cacheflush.h> -#include <mach/regs-power.h> #include <mach/regs-s3c2443-clock.h> #include <plat/cpu.h> #include <plat/pm.h> +#include "s3c2412-power.h" + extern void s3c2412_sleep_enter(void); static int s3c2416_cpu_suspend(unsigned long arg) diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c index 724755f0b0f5..caa5b7211380 100644 --- a/arch/arm/mach-s3c24xx/pm.c +++ b/arch/arm/mach-s3c24xx/pm.c @@ -38,7 +38,6 @@ #include <plat/regs-serial.h> #include <mach/regs-clock.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <mach/regs-irq.h> #include <asm/mach/time.h> @@ -46,6 +45,8 @@ #include <plat/gpio-cfg.h> #include <plat/pm.h> +#include "regs-mem.h" + #define PFX "s3c24xx-pm: " static struct sleep_save core_save[] = { diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-dsc.h b/arch/arm/mach-s3c24xx/regs-dsc.h index 98fd4a05587c..98fd4a05587c 100644 --- a/arch/arm/mach-s3c24xx/include/mach/regs-dsc.h +++ b/arch/arm/mach-s3c24xx/regs-dsc.h diff --git a/arch/arm/mach-s3c24xx/regs-mem.h b/arch/arm/mach-s3c24xx/regs-mem.h new file mode 100644 index 000000000000..86b1258368c2 --- /dev/null +++ b/arch/arm/mach-s3c24xx/regs-mem.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> + * http://www.simtec.co.uk/products/SWLINUX/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2410 Memory Control register definitions + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H +#define __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H __FILE__ + +#define S3C2410_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) + +#define S3C2410_BWSCON S3C2410_MEMREG(0x00) +#define S3C2410_BANKCON0 S3C2410_MEMREG(0x04) +#define S3C2410_BANKCON1 S3C2410_MEMREG(0x08) +#define S3C2410_BANKCON2 S3C2410_MEMREG(0x0C) +#define S3C2410_BANKCON3 S3C2410_MEMREG(0x10) +#define S3C2410_BANKCON4 S3C2410_MEMREG(0x14) +#define S3C2410_BANKCON5 S3C2410_MEMREG(0x18) +#define S3C2410_BANKCON6 S3C2410_MEMREG(0x1C) +#define S3C2410_BANKCON7 S3C2410_MEMREG(0x20) +#define S3C2410_REFRESH S3C2410_MEMREG(0x24) +#define S3C2410_BANKSIZE S3C2410_MEMREG(0x28) + +#define S3C2410_BWSCON_ST1 (1 << 7) +#define S3C2410_BWSCON_ST2 (1 << 11) +#define S3C2410_BWSCON_ST3 (1 << 15) +#define S3C2410_BWSCON_ST4 (1 << 19) +#define S3C2410_BWSCON_ST5 (1 << 23) + +#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf) + +#define S3C2410_BWSCON_WS (1 << 2) + +#define S3C2410_BANKCON_PMC16 (0x3) + +#define S3C2410_BANKCON_Tacp_SHIFT (2) +#define S3C2410_BANKCON_Tcah_SHIFT (4) +#define S3C2410_BANKCON_Tcoh_SHIFT (6) +#define S3C2410_BANKCON_Tacc_SHIFT (8) +#define S3C2410_BANKCON_Tcos_SHIFT (11) +#define S3C2410_BANKCON_Tacs_SHIFT (13) + +#define S3C2410_BANKCON_SDRAM (0x3 << 15) + +#define S3C2410_REFRESH_SELF (1 << 22) + +#define S3C2410_BANKSIZE_MASK (0x7 << 0) + +#endif /* __ARCH_ARM_MACH_S3C24XX_REGS_MEM_H */ diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c index a3c5cb086ee2..9ebef95da721 100644 --- a/arch/arm/mach-s3c24xx/s3c2410.c +++ b/arch/arm/mach-s3c24xx/s3c2410.c @@ -49,6 +49,8 @@ #include <plat/gpio-cfg.h> #include <plat/gpio-cfg-helpers.h> +#include "common.h" + /* Initial IO mappings */ static struct map_desc s3c2410_iodesc[] __initdata = { @@ -182,8 +184,8 @@ int __init s3c2410_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); -#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif return device_register(&s3c2410_dev); } diff --git a/arch/arm/mach-s3c24xx/s3c2412-power.h b/arch/arm/mach-s3c24xx/s3c2412-power.h new file mode 100644 index 000000000000..1b02c5ddb31b --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2412-power.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2003-2006 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H +#define __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H __FILE__ + +#define S3C24XX_PWRREG(x) ((x) + S3C24XX_VA_CLKPWR) + +#define S3C2412_PWRMODECON S3C24XX_PWRREG(0x20) +#define S3C2412_PWRCFG S3C24XX_PWRREG(0x24) + +#define S3C2412_INFORM0 S3C24XX_PWRREG(0x70) +#define S3C2412_INFORM1 S3C24XX_PWRREG(0x74) +#define S3C2412_INFORM2 S3C24XX_PWRREG(0x78) +#define S3C2412_INFORM3 S3C24XX_PWRREG(0x7C) + +#define S3C2412_PWRCFG_BATF_IRQ (1 << 0) +#define S3C2412_PWRCFG_BATF_IGNORE (2 << 0) +#define S3C2412_PWRCFG_BATF_SLEEP (3 << 0) +#define S3C2412_PWRCFG_BATF_MASK (3 << 0) + +#define S3C2412_PWRCFG_STANDBYWFI_IGNORE (0 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_IDLE (1 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_STOP (2 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_SLEEP (3 << 6) +#define S3C2412_PWRCFG_STANDBYWFI_MASK (3 << 6) + +#define S3C2412_PWRCFG_RTC_MASKIRQ (1 << 8) +#define S3C2412_PWRCFG_NAND_NORST (1 << 9) + +#endif /* __ARCH_ARM_MACH_S3C24XX_S3C2412_POWER_H */ diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c index 6c5f4031ff0c..0d592159a5c3 100644 --- a/arch/arm/mach-s3c24xx/s3c2412.c +++ b/arch/arm/mach-s3c24xx/s3c2412.c @@ -1,5 +1,4 @@ -/* linux/arch/arm/mach-s3c2412/s3c2412.c - * +/* * Copyright (c) 2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * @@ -28,28 +27,31 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/hardware.h> #include <asm/proc-fns.h> #include <asm/irq.h> #include <asm/system_misc.h> -#include <plat/cpu-freq.h> - +#include <mach/hardware.h> #include <mach/regs-clock.h> -#include <plat/regs-serial.h> -#include <mach/regs-power.h> #include <mach/regs-gpio.h> -#include <mach/regs-dsc.h> -#include <plat/regs-spi.h> -#include <mach/regs-s3c2412.h> -#include <plat/s3c2412.h> +#include <plat/clock.h> #include <plat/cpu.h> +#include <plat/cpu-freq.h> #include <plat/devs.h> -#include <plat/clock.h> -#include <plat/pm.h> -#include <plat/pll.h> #include <plat/nand-core.h> +#include <plat/pll.h> +#include <plat/pm.h> +#include <plat/regs-serial.h> +#include <plat/regs-spi.h> +#include <plat/s3c2412.h> + +#include "common.h" +#include "regs-dsc.h" +#include "s3c2412-power.h" + +#define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) +#define S3C2412_SWRST_RESET (0x533C2412) #ifndef CONFIG_CPU_S3C2412_ONLY void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO; @@ -244,8 +246,8 @@ int __init s3c2412_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2412_pm_syscore_ops); -#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); +#endif return device_register(&s3c2412_dev); } diff --git a/arch/arm/mach-s3c24xx/s3c2412.h b/arch/arm/mach-s3c24xx/s3c2412.h new file mode 100644 index 000000000000..548ced42cbb7 --- /dev/null +++ b/arch/arm/mach-s3c24xx/s3c2412.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ARCH_ARM_MACH_S3C24XX_S3C2412_H +#define __ARCH_ARM_REGS_S3C24XX_S3C2412_H __FILE__ + +#define S3C2412_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) +#define S3C2412_EBIREG(x) (S3C2412_VA_EBI + (x)) + +#define S3C2412_SSMCREG(x) (S3C2412_VA_SSMC + (x)) +#define S3C2412_SSMC(x, o) (S3C2412_SSMCREG((x * 0x20) + (o))) + +#define S3C2412_REFRESH S3C2412_MEMREG(0x10) + +#define S3C2412_EBI_BANKCFG S3C2412_EBIREG(0x4) + +#define S3C2412_SSMC_BANK(x) S3C2412_SSMC(x, 0x0) + +#endif /* __ARCH_ARM_MACH_S3C24XX_S3C2412_H */ diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c index 77ee0b732237..e30476db0295 100644 --- a/arch/arm/mach-s3c24xx/s3c2416.c +++ b/arch/arm/mach-s3c24xx/s3c2416.c @@ -63,6 +63,8 @@ #include <plat/rtc-core.h> #include <plat/spi-core.h> +#include "common.h" + static struct map_desc s3c2416_iodesc[] __initdata = { IODESC_ENT(WATCHDOG), IODESC_ENT(CLKPWR), @@ -105,9 +107,9 @@ int __init s3c2416_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2416_pm_syscore_ops); -#endif register_syscore_ops(&s3c24xx_irq_syscore_ops); register_syscore_ops(&s3c2416_irq_syscore_ops); +#endif return device_register(&s3c2416_dev); } diff --git a/arch/arm/mach-s3c24xx/s3c2440.c b/arch/arm/mach-s3c24xx/s3c2440.c index 2b3dddb49af7..559e394e8989 100644 --- a/arch/arm/mach-s3c24xx/s3c2440.c +++ b/arch/arm/mach-s3c24xx/s3c2440.c @@ -40,6 +40,8 @@ #include <plat/gpio-cfg.h> #include <plat/gpio-cfg-helpers.h> +#include "common.h" + static struct device s3c2440_dev = { .bus = &s3c2440_subsys, }; @@ -57,9 +59,9 @@ int __init s3c2440_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); #endif register_syscore_ops(&s3c244x_pm_syscore_ops); - register_syscore_ops(&s3c24xx_irq_syscore_ops); /* register our system device for everything else */ diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c index 22cb7c94a8c8..f732826c2359 100644 --- a/arch/arm/mach-s3c24xx/s3c2442.c +++ b/arch/arm/mach-s3c24xx/s3c2442.c @@ -51,6 +51,8 @@ #include <plat/gpio-cfg.h> #include <plat/gpio-cfg-helpers.h> +#include "common.h" + /* S3C2442 extended clock support */ static unsigned long s3c2442_camif_upll_round(struct clk *clk, @@ -172,9 +174,9 @@ int __init s3c2442_init(void) #ifdef CONFIG_PM register_syscore_ops(&s3c2410_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); #endif register_syscore_ops(&s3c244x_pm_syscore_ops); - register_syscore_ops(&s3c24xx_irq_syscore_ops); return device_register(&s3c2442_dev); } diff --git a/arch/arm/mach-s3c24xx/s3c244x.c b/arch/arm/mach-s3c24xx/s3c244x.c index b0b60a1154d6..ad2671baa910 100644 --- a/arch/arm/mach-s3c24xx/s3c244x.c +++ b/arch/arm/mach-s3c24xx/s3c244x.c @@ -36,7 +36,6 @@ #include <mach/regs-clock.h> #include <plat/regs-serial.h> #include <mach/regs-gpio.h> -#include <mach/regs-dsc.h> #include <plat/s3c2410.h> #include <plat/s3c244x.h> @@ -48,6 +47,8 @@ #include <plat/nand-core.h> #include <plat/watchdog-reset.h> +#include "regs-dsc.h" + static struct map_desc s3c244x_iodesc[] __initdata = { IODESC_ENT(CLKPWR), IODESC_ENT(TIMER), diff --git a/arch/arm/mach-s3c24xx/simtec-audio.c b/arch/arm/mach-s3c24xx/simtec-audio.c index fd0ef05763a9..67cb5120dfeb 100644 --- a/arch/arm/mach-s3c24xx/simtec-audio.c +++ b/arch/arm/mach-s3c24xx/simtec-audio.c @@ -17,16 +17,13 @@ #include <linux/device.h> #include <linux/io.h> -#include <mach/bast-map.h> -#include <mach/bast-irq.h> -#include <mach/bast-cpld.h> - #include <mach/hardware.h> #include <mach/regs-gpio.h> #include <linux/platform_data/asoc-s3c24xx_simtec.h> #include <plat/devs.h> +#include "bast.h" #include "simtec.h" /* platform ops for audio */ diff --git a/arch/arm/mach-s3c24xx/simtec-nor.c b/arch/arm/mach-s3c24xx/simtec-nor.c index 029744fcaacb..8884bffa619a 100644 --- a/arch/arm/mach-s3c24xx/simtec-nor.c +++ b/arch/arm/mach-s3c24xx/simtec-nor.c @@ -27,9 +27,8 @@ #include <asm/mach/irq.h> #include <mach/map.h> -#include <mach/bast-map.h> -#include <mach/bast-cpld.h> +#include "bast.h" #include "simtec.h" static void simtec_nor_vpp(struct platform_device *pdev, int vpp) diff --git a/arch/arm/mach-s3c24xx/simtec-pm.c b/arch/arm/mach-s3c24xx/simtec-pm.c index 699f93171297..38a2f1fdebab 100644 --- a/arch/arm/mach-s3c24xx/simtec-pm.c +++ b/arch/arm/mach-s3c24xx/simtec-pm.c @@ -28,12 +28,13 @@ #include <mach/map.h> #include <mach/regs-gpio.h> -#include <mach/regs-mem.h> #include <asm/mach-types.h> #include <plat/pm.h> +#include "regs-mem.h" + #define COPYRIGHT ", Copyright 2005 Simtec Electronics" /* pm_simtec_init diff --git a/arch/arm/mach-s3c24xx/simtec-usb.c b/arch/arm/mach-s3c24xx/simtec-usb.c index ddf7a3c743ac..2ed2e32430dc 100644 --- a/arch/arm/mach-s3c24xx/simtec-usb.c +++ b/arch/arm/mach-s3c24xx/simtec-usb.c @@ -28,15 +28,13 @@ #include <asm/mach/map.h> #include <asm/mach/irq.h> -#include <mach/bast-map.h> -#include <mach/bast-irq.h> - #include <mach/hardware.h> #include <asm/irq.h> #include <linux/platform_data/usb-ohci-s3c2410.h> #include <plat/devs.h> +#include "bast.h" #include "simtec.h" /* control power and monitor over-current events on various Simtec @@ -79,7 +77,7 @@ static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on) int ret; if (on) { - ret = request_irq(IRQ_USBOC, usb_simtec_ocirq, + ret = request_irq(BAST_IRQ_USBOC, usb_simtec_ocirq, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "USB Over-current", info); @@ -87,7 +85,7 @@ static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on) printk(KERN_ERR "failed to request usb oc irq\n"); } } else { - free_irq(IRQ_USBOC, info); + free_irq(BAST_IRQ_USBOC, info); } } diff --git a/arch/arm/mach-s3c24xx/sleep-s3c2410.S b/arch/arm/mach-s3c24xx/sleep-s3c2410.S index 65200ae72c90..dd47c8fa07fa 100644 --- a/arch/arm/mach-s3c24xx/sleep-s3c2410.S +++ b/arch/arm/mach-s3c24xx/sleep-s3c2410.S @@ -31,9 +31,10 @@ #include <mach/regs-gpio.h> #include <mach/regs-clock.h> -#include <mach/regs-mem.h> #include <plat/regs-serial.h> +#include "regs-mem.h" + /* s3c2410_cpu_suspend * * put the cpu into sleep mode diff --git a/arch/arm/mach-s3c24xx/sleep.S b/arch/arm/mach-s3c24xx/sleep.S index c56612569b40..7f378b662da6 100644 --- a/arch/arm/mach-s3c24xx/sleep.S +++ b/arch/arm/mach-s3c24xx/sleep.S @@ -31,7 +31,6 @@ #include <mach/regs-gpio.h> #include <mach/regs-clock.h> -#include <mach/regs-mem.h> #include <plat/regs-serial.h> /* CONFIG_DEBUG_RESUME is dangerous if your bootloader does not diff --git a/arch/arm/mach-s3c24xx/vr1000.h b/arch/arm/mach-s3c24xx/vr1000.h new file mode 100644 index 000000000000..7fcd2c2f183c --- /dev/null +++ b/arch/arm/mach-s3c24xx/vr1000.h @@ -0,0 +1,118 @@ + +/* arch/arm/mach-s3c2410/include/mach/vr1000-cpld.h + * + * Copyright (c) 2003 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * VR1000 - CPLD control constants + * Machine VR1000 - IRQ Number definitions + * Machine VR1000 - Memory map definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_S3C24XX_VR1000_H +#define __MACH_S3C24XX_VR1000_H __FILE__ + +#define VR1000_CPLD_CTRL2_RAMWEN (0x04) /* SRAM Write Enable */ + +/* irq numbers to onboard peripherals */ + +#define VR1000_IRQ_USBOC IRQ_EINT19 +#define VR1000_IRQ_IDE0 IRQ_EINT16 +#define VR1000_IRQ_IDE1 IRQ_EINT17 +#define VR1000_IRQ_SERIAL IRQ_EINT12 +#define VR1000_IRQ_DM9000A IRQ_EINT10 +#define VR1000_IRQ_DM9000N IRQ_EINT9 +#define VR1000_IRQ_SMALERT IRQ_EINT8 + +/* map */ + +#define VR1000_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define VR1000_VA_CTRL1 VR1000_IOADDR(0x00000000) /* 0x01300000 */ +#define VR1000_PA_CTRL1 (S3C2410_CS5 | 0x7800000) + +#define VR1000_VA_CTRL2 VR1000_IOADDR(0x00100000) /* 0x01400000 */ +#define VR1000_PA_CTRL2 (S3C2410_CS1 | 0x6000000) + +#define VR1000_VA_CTRL3 VR1000_IOADDR(0x00200000) /* 0x01500000 */ +#define VR1000_PA_CTRL3 (S3C2410_CS1 | 0x6800000) + +#define VR1000_VA_CTRL4 VR1000_IOADDR(0x00300000) /* 0x01600000 */ +#define VR1000_PA_CTRL4 (S3C2410_CS1 | 0x7000000) + +/* next, we have the PC104 ISA interrupt registers */ + +#define VR1000_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ +#define VR1000_VA_PC104_IRQREQ VR1000_IOADDR(0x00400000) + +#define VR1000_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ +#define VR1000_VA_PC104_IRQRAW VR1000_IOADDR(0x00500000) + +#define VR1000_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ +#define VR1000_VA_PC104_IRQMASK VR1000_IOADDR(0x00600000) + +/* + * 0xE0000000 contains the IO space that is split by speed and + * whether the access is for 8 or 16bit IO... this ensures that + * the correct access is made + * + * 0x10000000 of space, partitioned as so: + * + * 0x00000000 to 0x04000000 8bit, slow + * 0x04000000 to 0x08000000 16bit, slow + * 0x08000000 to 0x0C000000 16bit, net + * 0x0C000000 to 0x10000000 16bit, fast + * + * each of these spaces has the following in: + * + * 0x02000000 to 0x02100000 1MB IDE primary channel + * 0x02100000 to 0x02200000 1MB IDE primary channel aux + * 0x02200000 to 0x02400000 1MB IDE secondary channel + * 0x02300000 to 0x02400000 1MB IDE secondary channel aux + * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controllers + * 0x02600000 to 0x02700000 1MB + * + * the phyiscal layout of the zones are: + * nGCS2 - 8bit, slow + * nGCS3 - 16bit, slow + * nGCS4 - 16bit, net + * nGCS5 - 16bit, fast + */ + +#define VR1000_VA_MULTISPACE (0xE0000000) + +#define VR1000_VA_ISAIO (VR1000_VA_MULTISPACE + 0x00000000) +#define VR1000_VA_ISAMEM (VR1000_VA_MULTISPACE + 0x01000000) +#define VR1000_VA_IDEPRI (VR1000_VA_MULTISPACE + 0x02000000) +#define VR1000_VA_IDEPRIAUX (VR1000_VA_MULTISPACE + 0x02100000) +#define VR1000_VA_IDESEC (VR1000_VA_MULTISPACE + 0x02200000) +#define VR1000_VA_IDESECAUX (VR1000_VA_MULTISPACE + 0x02300000) +#define VR1000_VA_ASIXNET (VR1000_VA_MULTISPACE + 0x02400000) +#define VR1000_VA_DM9000 (VR1000_VA_MULTISPACE + 0x02500000) +#define VR1000_VA_SUPERIO (VR1000_VA_MULTISPACE + 0x02600000) + +/* physical offset addresses for the peripherals */ + +#define VR1000_PA_IDEPRI (0x02000000) +#define VR1000_PA_IDEPRIAUX (0x02800000) +#define VR1000_PA_IDESEC (0x03000000) +#define VR1000_PA_IDESECAUX (0x03800000) +#define VR1000_PA_DM9000 (0x05000000) + +#define VR1000_PA_SERIAL (0x11800000) +#define VR1000_VA_SERIAL (VR1000_IOADDR(0x00700000)) + +/* VR1000 ram is in CS1, with A26..A24 = 2_101 */ +#define VR1000_PA_SRAM (S3C2410_CS1 | 0x05000000) + +/* some configurations for the peripherals */ + +#define VR1000_DM9000_CS VR1000_VAM_CS4 + +#endif /* __MACH_S3C24XX_VR1000_H */ |