diff options
Diffstat (limited to 'arch/arm/plat-s5p/include')
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/irqs.h | 90 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/map-s5p.h | 34 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/pll.h | 83 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p-clock.h | 40 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p6440.h | 37 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p6442.h | 33 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5pv210.h | 33 |
7 files changed, 350 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h new file mode 100644 index 000000000000..42e757f2e40c --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/irqs.h @@ -0,0 +1,90 @@ +/* linux/arch/arm/plat-s5p/include/plat/irqs.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P Common IRQ 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_PLAT_S5P_IRQS_H +#define __ASM_PLAT_S5P_IRQS_H __FILE__ + +/* we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + * + * note, since we're using the VICs, our start must be a + * mulitple of 32 to allow the common code to work + */ + +#define S5P_IRQ_OFFSET (32) + +#define S5P_IRQ(x) ((x) + S5P_IRQ_OFFSET) + +#define S5P_VIC0_BASE S5P_IRQ(0) +#define S5P_VIC1_BASE S5P_IRQ(32) +#define S5P_VIC2_BASE S5P_IRQ(64) +#define S5P_VIC3_BASE S5P_IRQ(96) + +#define VIC_BASE(x) (S5P_VIC0_BASE + ((x)*32)) + +#define IRQ_VIC0_BASE S5P_VIC0_BASE +#define IRQ_VIC1_BASE S5P_VIC1_BASE +#define IRQ_VIC2_BASE S5P_VIC2_BASE + +/* UART interrupts, each UART has 4 intterupts per channel so + * use the space between the ISA and S3C main interrupts. Note, these + * are not in the same order as the S3C24XX series! */ + +#define IRQ_S5P_UART_BASE0 (16) +#define IRQ_S5P_UART_BASE1 (20) +#define IRQ_S5P_UART_BASE2 (24) +#define IRQ_S5P_UART_BASE3 (28) + +#define UART_IRQ_RXD (0) +#define UART_IRQ_ERR (1) +#define UART_IRQ_TXD (2) + +#define IRQ_S5P_UART_RX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_RXD) +#define IRQ_S5P_UART_TX0 (IRQ_S5P_UART_BASE0 + UART_IRQ_TXD) +#define IRQ_S5P_UART_ERR0 (IRQ_S5P_UART_BASE0 + UART_IRQ_ERR) + +#define IRQ_S5P_UART_RX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_RXD) +#define IRQ_S5P_UART_TX1 (IRQ_S5P_UART_BASE1 + UART_IRQ_TXD) +#define IRQ_S5P_UART_ERR1 (IRQ_S5P_UART_BASE1 + UART_IRQ_ERR) + +#define IRQ_S5P_UART_RX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_RXD) +#define IRQ_S5P_UART_TX2 (IRQ_S5P_UART_BASE2 + UART_IRQ_TXD) +#define IRQ_S5P_UART_ERR2 (IRQ_S5P_UART_BASE2 + UART_IRQ_ERR) + +#define IRQ_S5P_UART_RX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_RXD) +#define IRQ_S5P_UART_TX3 (IRQ_S5P_UART_BASE3 + UART_IRQ_TXD) +#define IRQ_S5P_UART_ERR3 (IRQ_S5P_UART_BASE3 + UART_IRQ_ERR) + +/* S3C compatibilty defines */ +#define IRQ_S3CUART_RX0 IRQ_S5P_UART_RX0 +#define IRQ_S3CUART_RX1 IRQ_S5P_UART_RX1 +#define IRQ_S3CUART_RX2 IRQ_S5P_UART_RX2 +#define IRQ_S3CUART_RX3 IRQ_S5P_UART_RX3 + +/* VIC based IRQs */ + +#define S5P_IRQ_VIC0(x) (S5P_VIC0_BASE + (x)) +#define S5P_IRQ_VIC1(x) (S5P_VIC1_BASE + (x)) +#define S5P_IRQ_VIC2(x) (S5P_VIC2_BASE + (x)) +#define S5P_IRQ_VIC3(x) (S5P_VIC3_BASE + (x)) + +#define S5P_TIMER_IRQ(x) S5P_IRQ(11 + (x)) + +#define IRQ_TIMER0 S5P_TIMER_IRQ(0) +#define IRQ_TIMER1 S5P_TIMER_IRQ(1) +#define IRQ_TIMER2 S5P_TIMER_IRQ(2) +#define IRQ_TIMER3 S5P_TIMER_IRQ(3) +#define IRQ_TIMER4 S5P_TIMER_IRQ(4) + +#endif /* __ASM_PLAT_S5P_IRQS_H */ diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h new file mode 100644 index 000000000000..14828521f70c --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/map-s5p.h @@ -0,0 +1,34 @@ +/* linux/arch/arm/plat-s5p/include/plat/map-s5p.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P - 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 __ASM_PLAT_MAP_S5P_H +#define __ASM_PLAT_MAP_S5P_H __FILE__ + +#define S5P_VA_CHIPID S3C_ADDR(0x00700000) +#define S5P_VA_GPIO S3C_ADDR(0x00500000) +#define S5P_VA_SYSTIMER S3C_ADDR(0x01200000) +#define S5P_VA_SROMC S3C_ADDR(0x01100000) + +#define S5P_VA_UART0 (S3C_VA_UART + 0x0) +#define S5P_VA_UART1 (S3C_VA_UART + 0x400) +#define S5P_VA_UART2 (S3C_VA_UART + 0x800) +#define S5P_VA_UART3 (S3C_VA_UART + 0xC00) + +#define S3C_UART_OFFSET (0x400) + +#define VA_VIC(x) (S3C_VA_IRQ + ((x) * 0x10000)) +#define VA_VIC0 VA_VIC(0) +#define VA_VIC1 VA_VIC(1) +#define VA_VIC2 VA_VIC(2) +#define VA_VIC3 VA_VIC(3) + +#endif /* __ASM_PLAT_MAP_S5P_H */ diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h new file mode 100644 index 000000000000..d48325bb29e2 --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/pll.h @@ -0,0 +1,83 @@ +/* arch/arm/plat-s5p/include/plat/pll.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P PLL code + * + * Based on arch/arm/plat-s3c64xx/include/plat/pll.h + * + * 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. +*/ + +#define PLL45XX_MDIV_MASK (0x3FF) +#define PLL45XX_PDIV_MASK (0x3F) +#define PLL45XX_SDIV_MASK (0x7) +#define PLL45XX_MDIV_SHIFT (16) +#define PLL45XX_PDIV_SHIFT (8) +#define PLL45XX_SDIV_SHIFT (0) + +#include <asm/div64.h> + +enum pll45xx_type_t { + pll_4500, + pll_4502, + pll_4508 +}; + +static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con, + enum pll45xx_type_t pll_type) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK; + pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK; + sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK; + + if (pll_type == pll_4508) + sdiv = sdiv - 1; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} + +#define PLL90XX_MDIV_MASK (0xFF) +#define PLL90XX_PDIV_MASK (0x3F) +#define PLL90XX_SDIV_MASK (0x7) +#define PLL90XX_KDIV_MASK (0xffff) +#define PLL90XX_MDIV_SHIFT (16) +#define PLL90XX_PDIV_SHIFT (8) +#define PLL90XX_SDIV_SHIFT (0) +#define PLL90XX_KDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll90xx(unsigned long baseclk, + u32 pll_con, u32 pll_conk) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK; + pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK; + sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK; + kdiv = pll_conk & PLL90XX_KDIV_MASK; + + /* We need to multiple baseclk by mdiv (the integer part) and kdiv + * which is in 2^16ths, so shift mdiv up (does not overflow) and + * add kdiv before multiplying. The use of tmp is to avoid any + * overflows before shifting bac down into result when multipling + * by the mdiv and kdiv pair. + */ + + tmp = baseclk; + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h new file mode 100644 index 000000000000..56fb8b414d41 --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h @@ -0,0 +1,40 @@ +/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h + * + * Copyright 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Header file for s5p clock 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_PLAT_S5P_CLOCK_H +#define __ASM_PLAT_S5P_CLOCK_H __FILE__ + +#include <linux/clk.h> + +#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) + +#define clk_fin_apll clk_ext_xtal_mux +#define clk_fin_mpll clk_ext_xtal_mux +#define clk_fin_epll clk_ext_xtal_mux +#define clk_fin_vpll clk_ext_xtal_mux + +extern struct clk clk_ext_xtal_mux; +extern struct clk clk_48m; +extern struct clk clk_fout_apll; +extern struct clk clk_fout_mpll; +extern struct clk clk_fout_epll; +extern struct clk clk_arm; +extern struct clk clk_vpll; + +extern struct clksrc_sources clk_src_apll; +extern struct clksrc_sources clk_src_mpll; +extern struct clksrc_sources clk_src_epll; + +extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable); +extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable); + +#endif /* __ASM_PLAT_S5P_CLOCK_H */ diff --git a/arch/arm/plat-s5p/include/plat/s5p6440.h b/arch/arm/plat-s5p/include/plat/s5p6440.h new file mode 100644 index 000000000000..a4cd75afeb3b --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/s5p6440.h @@ -0,0 +1,37 @@ +/* arch/arm/plat-s5p/include/plat/s5p6440.h + * + * Copyright (c) 2009 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Header file for s5p6440 cpu 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. +*/ + + /* Common init code for S5P6440 related SoCs */ + +extern void s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s5p6440_register_clocks(void); +extern void s5p6440_setup_clocks(void); + +#ifdef CONFIG_CPU_S5P6440 + +extern int s5p6440_init(void); +extern void s5p6440_init_irq(void); +extern void s5p6440_map_io(void); +extern void s5p6440_init_clocks(int xtal); + +#define s5p6440_init_uarts s5p6440_common_init_uarts + +#else +#define s5p6440_init_clocks NULL +#define s5p6440_init_uarts NULL +#define s5p6440_map_io NULL +#define s5p6440_init NULL +#endif + +/* S5P6440 timer */ + +extern struct sys_timer s5p6440_timer; diff --git a/arch/arm/plat-s5p/include/plat/s5p6442.h b/arch/arm/plat-s5p/include/plat/s5p6442.h new file mode 100644 index 000000000000..7b8801349c94 --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/s5p6442.h @@ -0,0 +1,33 @@ +/* arch/arm/plat-s5p/include/plat/s5p6442.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Header file for s5p6442 cpu 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. +*/ + +/* Common init code for S5P6442 related SoCs */ + +extern void s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s5p6442_register_clocks(void); +extern void s5p6442_setup_clocks(void); + +#ifdef CONFIG_CPU_S5P6442 + +extern int s5p6442_init(void); +extern void s5p6442_init_irq(void); +extern void s5p6442_map_io(void); +extern void s5p6442_init_clocks(int xtal); + +#define s5p6442_init_uarts s5p6442_common_init_uarts + +#else +#define s5p6442_init_clocks NULL +#define s5p6442_init_uarts NULL +#define s5p6442_map_io NULL +#define s5p6442_init NULL +#endif diff --git a/arch/arm/plat-s5p/include/plat/s5pv210.h b/arch/arm/plat-s5p/include/plat/s5pv210.h new file mode 100644 index 000000000000..6c93a0c78100 --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/s5pv210.h @@ -0,0 +1,33 @@ +/* linux/arch/arm/plat-s5p/include/plat/s5pv210.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Header file for s5pv210 cpu 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. +*/ + +/* Common init code for S5PV210 related SoCs */ + +extern void s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); +extern void s5pv210_register_clocks(void); +extern void s5pv210_setup_clocks(void); + +#ifdef CONFIG_CPU_S5PV210 + +extern int s5pv210_init(void); +extern void s5pv210_init_irq(void); +extern void s5pv210_map_io(void); +extern void s5pv210_init_clocks(int xtal); + +#define s5pv210_init_uarts s5pv210_common_init_uarts + +#else +#define s5pv210_init_clocks NULL +#define s5pv210_init_uarts NULL +#define s5pv210_map_io NULL +#define s5pv210_init NULL +#endif |