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SAN People73a59c12006-01-09 17:05:41 +00001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * include/asm-arm/arch-at91/hardware.h
SAN People73a59c12006-01-09 17:05:41 +00003 *
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
Andrew Victor55d8bae2006-11-30 17:16:43 +010019#if defined(CONFIG_ARCH_AT91RM9200)
SAN People73a59c12006-01-09 17:05:41 +000020#include <asm/arch/at91rm9200.h>
Andrew Victor55d8bae2006-11-30 17:16:43 +010021#elif defined(CONFIG_ARCH_AT91SAM9260)
22#include <asm/arch/at91sam9260.h>
23#elif defined(CONFIG_ARCH_AT91SAM9261)
24#include <asm/arch/at91sam9261.h>
Andrew Victorb2c65612007-02-08 09:42:40 +010025#elif defined(CONFIG_ARCH_AT91SAM9263)
26#include <asm/arch/at91sam9263.h>
Andrew Victor877d7722007-05-11 20:49:56 +010027#elif defined(CONFIG_ARCH_AT91SAM9RL)
28#include <asm/arch/at91sam9rl.h>
Greg Ungererfeb47222007-06-04 06:46:26 +010029#elif defined(CONFIG_ARCH_AT91X40)
30#include <asm/arch/at91x40.h>
Andrew Victor55d8bae2006-11-30 17:16:43 +010031#else
32#error "Unsupported AT91 processor"
33#endif
34
SAN People73a59c12006-01-09 17:05:41 +000035
Greg Ungererfeb47222007-06-04 06:46:26 +010036#ifdef CONFIG_MMU
SAN People73a59c12006-01-09 17:05:41 +000037/*
Andrew Victord0760b32007-02-08 09:00:39 +010038 * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF
Andrew Victor7f6e2d92007-02-22 07:34:56 +010039 * to 0xFEF78000 .. 0xFF000000. (544Kb)
SAN People73a59c12006-01-09 17:05:41 +000040 */
Andrew Victord0760b32007-02-08 09:00:39 +010041#define AT91_IO_PHYS_BASE 0xFFF78000
SAN People73a59c12006-01-09 17:05:41 +000042#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE)
Greg Ungererfeb47222007-06-04 06:46:26 +010043#else
44/*
45 * Identity mapping for the non MMU case.
46 */
47#define AT91_IO_PHYS_BASE AT91_BASE_SYS
48#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE
49#endif
50
51#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
SAN People73a59c12006-01-09 17:05:41 +000052
53 /* Convert a physical IO address to virtual IO address */
Andrew Victord0760b32007-02-08 09:00:39 +010054#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE)
SAN People73a59c12006-01-09 17:05:41 +000055
56/*
57 * Virtual to Physical Address mapping for IO devices.
58 */
59#define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS)
Andrew Victor72729912006-09-27 09:44:11 +010060#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC)
SAN People73a59c12006-01-09 17:05:41 +000061
Andrew Victor10e8e1f2006-06-19 15:26:51 +010062 /* Internal SRAM is mapped below the IO devices */
Andrew Victor05043d02006-12-01 11:51:19 +010063#define AT91_SRAM_MAX SZ_1M
64#define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX)
Andrew Victor10e8e1f2006-06-19 15:26:51 +010065
SAN People73a59c12006-01-09 17:05:41 +000066/* Serial ports */
Andrew Victor05043d02006-12-01 11:51:19 +010067#define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */
SAN People73a59c12006-01-09 17:05:41 +000068
Andrew Victor05043d02006-12-01 11:51:19 +010069/* External Memory Map */
70#define AT91_CHIPSELECT_0 0x10000000
71#define AT91_CHIPSELECT_1 0x20000000
72#define AT91_CHIPSELECT_2 0x30000000
73#define AT91_CHIPSELECT_3 0x40000000
74#define AT91_CHIPSELECT_4 0x50000000
75#define AT91_CHIPSELECT_5 0x60000000
76#define AT91_CHIPSELECT_6 0x70000000
77#define AT91_CHIPSELECT_7 0x80000000
SAN People73a59c12006-01-09 17:05:41 +000078
79/* SDRAM */
Greg Ungererfeb47222007-06-04 06:46:26 +010080#ifdef CONFIG_DRAM_BASE
81#define AT91_SDRAM_BASE CONFIG_DRAM_BASE
82#else
Andrew Victor05043d02006-12-01 11:51:19 +010083#define AT91_SDRAM_BASE AT91_CHIPSELECT_1
Greg Ungererfeb47222007-06-04 06:46:26 +010084#endif
Andrew Victor2c1f3b72006-02-21 12:56:52 +020085
SAN People73a59c12006-01-09 17:05:41 +000086/* Clocks */
87#define AT91_SLOW_CLOCK 32768 /* slow clock */
88
SAN People73a59c12006-01-09 17:05:41 +000089
90#endif