1/* 2 * include/asm-arm/arch-at91/hardware.h 3 * 4 * Copyright (C) 2003 SAN People 5 * Copyright (C) 2003 ATMEL 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 */ 13 14#ifndef __ASM_ARCH_HARDWARE_H 15#define __ASM_ARCH_HARDWARE_H 16 17#include <asm/sizes.h> 18 19#if defined(CONFIG_ARCH_AT91RM9200) 20#include <asm/arch/at91rm9200.h> 21#elif defined(CONFIG_ARCH_AT91SAM9260) 22#include <asm/arch/at91sam9260.h> 23#elif defined(CONFIG_ARCH_AT91SAM9261) 24#include <asm/arch/at91sam9261.h> 25#elif defined(CONFIG_ARCH_AT91SAM9263) 26#include <asm/arch/at91sam9263.h> 27#elif defined(CONFIG_ARCH_AT91SAM9RL) 28#include <asm/arch/at91sam9rl.h> 29#else 30#error "Unsupported AT91 processor" 31#endif 32 33 34/* 35 * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF 36 * to 0xFEF78000 .. 0xFF000000. (544Kb) 37 */ 38#define AT91_IO_PHYS_BASE 0xFFF78000 39#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) 40#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) 41 42 /* Convert a physical IO address to virtual IO address */ 43#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) 44 45/* 46 * Virtual to Physical Address mapping for IO devices. 47 */ 48#define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) 49#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) 50 51 /* Internal SRAM is mapped below the IO devices */ 52#define AT91_SRAM_MAX SZ_1M 53#define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) 54 55/* Serial ports */ 56#define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ 57 58/* External Memory Map */ 59#define AT91_CHIPSELECT_0 0x10000000 60#define AT91_CHIPSELECT_1 0x20000000 61#define AT91_CHIPSELECT_2 0x30000000 62#define AT91_CHIPSELECT_3 0x40000000 63#define AT91_CHIPSELECT_4 0x50000000 64#define AT91_CHIPSELECT_5 0x60000000 65#define AT91_CHIPSELECT_6 0x70000000 66#define AT91_CHIPSELECT_7 0x80000000 67 68/* SDRAM */ 69#define AT91_SDRAM_BASE AT91_CHIPSELECT_1 70 71/* Clocks */ 72#define AT91_SLOW_CLOCK 32768 /* slow clock */ 73 74 75#endif 76