diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-at91/include/mach/hardware.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-at91/include/mach/hardware.h')
-rw-r--r-- | arch/arm/mach-at91/include/mach/hardware.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h new file mode 100644 index 00000000000..da0b681c652 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -0,0 +1,92 @@ +/* + * arch/arm/mach-at91/include/mach/hardware.h + * + * Copyright (C) 2003 SAN People + * Copyright (C) 2003 ATMEL + * + * 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. + * + */ + +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> + +#if defined(CONFIG_ARCH_AT91RM9200) +#include <mach/at91rm9200.h> +#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20) +#include <mach/at91sam9260.h> +#elif defined(CONFIG_ARCH_AT91SAM9261) +#include <mach/at91sam9261.h> +#elif defined(CONFIG_ARCH_AT91SAM9263) +#include <mach/at91sam9263.h> +#elif defined(CONFIG_ARCH_AT91SAM9RL) +#include <mach/at91sam9rl.h> +#elif defined(CONFIG_ARCH_AT91CAP9) +#include <mach/at91cap9.h> +#elif defined(CONFIG_ARCH_AT91X40) +#include <mach/at91x40.h> +#else +#error "Unsupported AT91 processor" +#endif + + +#ifdef CONFIG_MMU +/* + * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF + * to 0xFEF78000 .. 0xFF000000. (544Kb) + */ +#define AT91_IO_PHYS_BASE 0xFFF78000 +#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) +#else +/* + * Identity mapping for the non MMU case. + */ +#define AT91_IO_PHYS_BASE AT91_BASE_SYS +#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE +#endif + +#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) + + /* Convert a physical IO address to virtual IO address */ +#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) + +/* + * Virtual to Physical Address mapping for IO devices. + */ +#define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) +#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) + + /* Internal SRAM is mapped below the IO devices */ +#define AT91_SRAM_MAX SZ_1M +#define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) + +/* Serial ports */ +#define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ + +/* External Memory Map */ +#define AT91_CHIPSELECT_0 0x10000000 +#define AT91_CHIPSELECT_1 0x20000000 +#define AT91_CHIPSELECT_2 0x30000000 +#define AT91_CHIPSELECT_3 0x40000000 +#define AT91_CHIPSELECT_4 0x50000000 +#define AT91_CHIPSELECT_5 0x60000000 +#define AT91_CHIPSELECT_6 0x70000000 +#define AT91_CHIPSELECT_7 0x80000000 + +/* SDRAM */ +#ifdef CONFIG_DRAM_BASE +#define AT91_SDRAM_BASE CONFIG_DRAM_BASE +#else +#define AT91_SDRAM_BASE AT91_CHIPSELECT_1 +#endif + +/* Clocks */ +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + + +#endif |