diff options
Diffstat (limited to 'arch/arm/mach-davinci/include')
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/da8xx.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/debug-macro.S | 50 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/dm646x.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/edma.h | 11 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/gpio.h | 22 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/serial.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/tnetv107x.h | 55 | ||||
| -rw-r--r-- | arch/arm/mach-davinci/include/mach/uncompress.h | 87 |
8 files changed, 210 insertions, 40 deletions
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index 1b31a9aa8fba..3c07059f526e 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -67,7 +67,8 @@ extern void __iomem *da8xx_syscfg1_base; void __init da830_init(void); void __init da850_init(void); -int da8xx_register_edma(void); +int da830_register_edma(struct edma_rsv_info *rsv); +int da850_register_edma(struct edma_rsv_info *rsv[2]); int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata); int da8xx_register_watchdog(void); int da8xx_register_usb20(unsigned mA, unsigned potpgt); diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S index 3cd93a801d9b..f761dfdb8689 100644 --- a/arch/arm/mach-davinci/include/mach/debug-macro.S +++ b/arch/arm/mach-davinci/include/mach/debug-macro.S @@ -17,22 +17,50 @@ */ #include <linux/serial_reg.h> + +#include <asm/memory.h> + +#include <mach/serial.h> + #define UART_SHIFT 2 + .pushsection .data +davinci_uart_phys: .word 0 +davinci_uart_virt: .word 0 + .popsection + .macro addruart, rx, tmp + + /* Use davinci_uart_phys/virt if already configured */ +10: mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =__virt_to_phys(davinci_uart_phys) + ldrne \rx, =davinci_uart_virt + ldr \rx, [\rx] + cmp \rx, #0 @ is port configured? + bne 99f @ already configured + mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? - moveq \rx, #0x01000000 @ physical base address - movne \rx, #0xfe000000 @ virtual base -#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx) -#error Cannot enable DaVinci and DA8XX platforms concurrently -#elif defined(CONFIG_MACH_DAVINCI_DA830_EVM) || \ - defined(CONFIG_MACH_DAVINCI_DA850_EVM) - orr \rx, \rx, #0x00d00000 @ physical base address - orr \rx, \rx, #0x0000d000 @ of UART 2 -#else - orr \rx, \rx, #0x00c20000 @ UART 0 -#endif + + /* Copy uart phys address from decompressor uart info */ + ldreq \tmp, =__virt_to_phys(davinci_uart_phys) + ldrne \tmp, =davinci_uart_phys + ldreq \rx, =DAVINCI_UART_INFO + ldrne \rx, =__phys_to_virt(DAVINCI_UART_INFO) + ldr \rx, [\rx, #0] + str \rx, [\tmp] + + /* Copy uart virt address from decompressor uart info */ + ldreq \tmp, =__virt_to_phys(davinci_uart_virt) + ldrne \tmp, =davinci_uart_virt + ldreq \rx, =DAVINCI_UART_INFO + ldrne \rx, =__phys_to_virt(DAVINCI_UART_INFO) + ldr \rx, [\rx, #4] + str \rx, [\tmp] + + b 10b +99: .endm .macro senduart,rd,rx diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h index add6f794a362..0a27ee9a70e1 100644 --- a/arch/arm/mach-davinci/include/mach/dm646x.h +++ b/arch/arm/mach-davinci/include/mach/dm646x.h @@ -32,6 +32,7 @@ void __init dm646x_init(void); void __init dm646x_init_mcasp0(struct snd_platform_data *pdata); void __init dm646x_init_mcasp1(struct snd_platform_data *pdata); void __init dm646x_board_setup_refclk(struct clk *clk); +int __init dm646x_init_edma(struct edma_rsv_info *rsv); void dm646x_video_init(void); diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h index ced3092af5ba..dc10ef6cf572 100644 --- a/arch/arm/mach-davinci/include/mach/edma.h +++ b/arch/arm/mach-davinci/include/mach/edma.h @@ -230,6 +230,8 @@ enum sync_dimension { #define EDMA_CONT_PARAMS_FIXED_EXACT 1002 #define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 +#define EDMA_MAX_CC 2 + /* alloc/free DMA channels and their dedicated parameter RAM slots */ int edma_alloc_channel(int channel, void (*callback)(unsigned channel, u16 ch_status, void *data), @@ -269,6 +271,12 @@ void edma_clear_event(unsigned channel); void edma_pause(unsigned channel); void edma_resume(unsigned channel); +struct edma_rsv_info { + + const s16 (*rsv_chans)[2]; + const s16 (*rsv_slots)[2]; +}; + /* platform_data for EDMA driver */ struct edma_soc_info { @@ -280,6 +288,9 @@ struct edma_soc_info { unsigned n_cc; enum dma_event_q default_queue; + /* Resource reservation for other cores */ + struct edma_rsv_info *rsv; + const s8 (*queue_tc_mapping)[2]; const s8 (*queue_priority_mapping)[2]; }; diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h index 504cc180a60b..fbece126c2bf 100644 --- a/arch/arm/mach-davinci/include/mach/gpio.h +++ b/arch/arm/mach-davinci/include/mach/gpio.h @@ -25,6 +25,7 @@ enum davinci_gpio_type { GPIO_TYPE_DAVINCI = 0, + GPIO_TYPE_TNETV107X, }; /* @@ -87,9 +88,13 @@ static inline u32 __gpio_mask(unsigned gpio) return 1 << (gpio % 32); } -/* The get/set/clear functions will inline when called with constant +/* + * The get/set/clear functions will inline when called with constant * parameters referencing built-in GPIOs, for low-overhead bitbanging. * + * gpio_set_value() will inline only on traditional Davinci style controllers + * with distinct set/clear registers. + * * Otherwise, calls with variable parameters or referencing external * GPIOs (e.g. on GPIO expander chips) use outlined functions. */ @@ -100,12 +105,15 @@ static inline void gpio_set_value(unsigned gpio, int value) u32 mask; ctlr = __gpio_to_controller(gpio); - mask = __gpio_mask(gpio); - if (value) - __raw_writel(mask, ctlr->set_data); - else - __raw_writel(mask, ctlr->clr_data); - return; + + if (ctlr->set_data != ctlr->clr_data) { + mask = __gpio_mask(gpio); + if (value) + __raw_writel(mask, ctlr->set_data); + else + __raw_writel(mask, ctlr->clr_data); + return; + } } __gpio_set_value(gpio, value); diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index f6c4f34909a2..8051110b8ac3 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -11,8 +11,19 @@ #ifndef __ASM_ARCH_SERIAL_H #define __ASM_ARCH_SERIAL_H +#include <asm/memory.h> + #include <mach/hardware.h> +/* + * Stolen area that contains debug uart physical and virtual addresses. These + * addresses are filled in by the uncompress.h code, and are used by the debug + * macros in debug-macro.S. + * + * This area sits just below the page tables (see arch/arm/kernel/head.S). + */ +#define DAVINCI_UART_INFO (PHYS_OFFSET + 0x3ff8) + #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) @@ -21,16 +32,26 @@ #define DA8XX_UART1_BASE (IO_PHYS + 0x10c000) #define DA8XX_UART2_BASE (IO_PHYS + 0x10d000) +#define TNETV107X_UART0_BASE 0x08108100 +#define TNETV107X_UART1_BASE 0x08088400 +#define TNETV107X_UART2_BASE 0x08108300 + +#define TNETV107X_UART0_VIRT IOMEM(0xfee08100) +#define TNETV107X_UART1_VIRT IOMEM(0xfed88400) +#define TNETV107X_UART2_VIRT IOMEM(0xfee08300) + /* DaVinci UART register offsets */ #define UART_DAVINCI_PWREMU 0x0c #define UART_DM646X_SCR 0x10 #define UART_DM646X_SCR_TX_WATERMARK 0x08 +#ifndef __ASSEMBLY__ struct davinci_uart_config { /* Bit field of UARTs present; bit 0 --> UART1 */ unsigned int enabled_uarts; }; extern int davinci_serial_init(struct davinci_uart_config *); +#endif #endif /* __ASM_ARCH_SERIAL_H */ diff --git a/arch/arm/mach-davinci/include/mach/tnetv107x.h b/arch/arm/mach-davinci/include/mach/tnetv107x.h new file mode 100644 index 000000000000..c72064733123 --- /dev/null +++ b/arch/arm/mach-davinci/include/mach/tnetv107x.h @@ -0,0 +1,55 @@ +/* + * Texas Instruments TNETV107X SoC Specific Defines + * + * Copyright (C) 2010 Texas Instruments + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef __ASM_ARCH_DAVINCI_TNETV107X_H +#define __ASM_ARCH_DAVINCI_TNETV107X_H + +#include <asm/sizes.h> + +#define TNETV107X_DDR_BASE 0x80000000 + +/* + * Fixed mapping for early init starts here. If low-level debug is enabled, + * this area also gets mapped via io_pg_offset and io_phys by the boot code. + * To fit in with the io_pg_offset calculation, the io base address selected + * here _must_ be a multiple of 2^20. + */ +#define TNETV107X_IO_BASE 0x08000000 +#define TNETV107X_IO_VIRT (IO_VIRT + SZ_1M) + +#define TNETV107X_N_GPIO 65 + +#ifndef __ASSEMBLY__ + +#include <linux/serial_8250.h> +#include <mach/mmc.h> +#include <mach/nand.h> +#include <mach/serial.h> + +struct tnetv107x_device_info { + struct davinci_uart_config *serial_config; + struct davinci_mmc_config *mmc_config[2]; /* 2 controllers */ + struct davinci_nand_pdata *nand_config[4]; /* 4 chipsels */ +}; + +extern struct platform_device tnetv107x_wdt_device; +extern struct platform_device tnetv107x_serial_device; + +extern void __init tnetv107x_init(void); +extern void __init tnetv107x_devices_init(struct tnetv107x_device_info *); +extern void __init tnetv107x_irq_init(void); + +#endif + +#endif /* __ASM_ARCH_DAVINCI_TNETV107X_H */ diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h index 33796b4db17f..15a6192ad6eb 100644 --- a/arch/arm/mach-davinci/include/mach/uncompress.h +++ b/arch/arm/mach-davinci/include/mach/uncompress.h @@ -1,8 +1,17 @@ /* * Serial port stubs for kernel decompress status messages * - * Author: Anant Gole - * (C) Copyright (C) 2006, Texas Instruments, Inc + * Initially based on: + * arch/arm/plat-omap/include/mach/uncompress.h + * + * Original copyrights follow. + * + * Copyright (C) 2000 RidgeRun, Inc. + * Author: Greg Lonnon <glonnon@ridgerun.com> + * + * Rewritten by: + * Author: <source@mvista.com> + * 2004 (c) MontaVista Software, Inc. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any @@ -11,30 +20,17 @@ #include <linux/types.h> #include <linux/serial_reg.h> -#include <mach/serial.h> #include <asm/mach-types.h> -extern unsigned int __machine_arch_type; +#include <mach/serial.h> static u32 *uart; - -static u32 *get_uart_base(void) -{ - if (__machine_arch_type == MACH_TYPE_DAVINCI_DA830_EVM || - __machine_arch_type == MACH_TYPE_DAVINCI_DA850_EVM) - return (u32 *)DA8XX_UART2_BASE; - else - return (u32 *)DAVINCI_UART0_BASE; -} +static u32 *uart_info = (u32 *)(DAVINCI_UART_INFO); /* PORT_16C550A, in polled non-fifo mode */ - static void putc(char c) { - if (!uart) - uart = get_uart_base(); - while (!(uart[UART_LSR] & UART_LSR_THRE)) barrier(); uart[UART_TX] = c; @@ -42,12 +38,61 @@ static void putc(char c) static inline void flush(void) { - if (!uart) - uart = get_uart_base(); - while (!(uart[UART_LSR] & UART_LSR_THRE)) barrier(); } -#define arch_decomp_setup() +static inline void set_uart_info(u32 phys, void * __iomem virt) +{ + uart = (u32 *)phys; + uart_info[0] = phys; + uart_info[1] = (u32)virt; +} + +#define _DEBUG_LL_ENTRY(machine, phys, virt) \ + if (machine_is_##machine()) { \ + set_uart_info(phys, virt); \ + break; \ + } + +#define DEBUG_LL_DAVINCI(machine, port) \ + _DEBUG_LL_ENTRY(machine, DAVINCI_UART##port##_BASE, \ + IO_ADDRESS(DAVINCI_UART##port##_BASE)) + +#define DEBUG_LL_DA8XX(machine, port) \ + _DEBUG_LL_ENTRY(machine, DA8XX_UART##port##_BASE, \ + IO_ADDRESS(DA8XX_UART##port##_BASE)) + +#define DEBUG_LL_TNETV107X(machine, port) \ + _DEBUG_LL_ENTRY(machine, TNETV107X_UART##port##_BASE, \ + TNETV107X_UART##port##_VIRT) + +static inline void __arch_decomp_setup(unsigned long arch_id) +{ + /* + * Initialize the port based on the machine ID from the bootloader. + * Note that we're using macros here instead of switch statement + * as machine_is functions are optimized out for the boards that + * are not selected. + */ + do { + /* Davinci boards */ + DEBUG_LL_DAVINCI(davinci_evm, 0); + DEBUG_LL_DAVINCI(sffsdr, 0); + DEBUG_LL_DAVINCI(neuros_osd2, 0); + DEBUG_LL_DAVINCI(davinci_dm355_evm, 0); + DEBUG_LL_DAVINCI(dm355_leopard, 0); + DEBUG_LL_DAVINCI(davinci_dm6467_evm, 0); + DEBUG_LL_DAVINCI(davinci_dm365_evm, 0); + + /* DA8xx boards */ + DEBUG_LL_DA8XX(davinci_da830_evm, 2); + DEBUG_LL_DA8XX(davinci_da850_evm, 2); + + /* TNETV107x boards */ + DEBUG_LL_TNETV107X(tnetv107x, 1); + } while (0); +} + +#define arch_decomp_setup() __arch_decomp_setup(arch_id) #define arch_decomp_wdog() |