SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 1 | /* |
Andrew Victor | 9d04126 | 2007-02-05 11:42:07 +0100 | [diff] [blame] | 2 | * include/asm-arm/arch-at91/hardware.h |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 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 | |
Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 19 | #if defined(CONFIG_ARCH_AT91RM9200) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 20 | #include <asm/arch/at91rm9200.h> |
Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 21 | #elif defined(CONFIG_ARCH_AT91SAM9260) |
| 22 | #include <asm/arch/at91sam9260.h> |
| 23 | #elif defined(CONFIG_ARCH_AT91SAM9261) |
| 24 | #include <asm/arch/at91sam9261.h> |
Andrew Victor | b2c6561 | 2007-02-08 09:42:40 +0100 | [diff] [blame] | 25 | #elif defined(CONFIG_ARCH_AT91SAM9263) |
| 26 | #include <asm/arch/at91sam9263.h> |
Andrew Victor | 877d772 | 2007-05-11 20:49:56 +0100 | [diff] [blame] | 27 | #elif defined(CONFIG_ARCH_AT91SAM9RL) |
| 28 | #include <asm/arch/at91sam9rl.h> |
Greg Ungerer | feb4722 | 2007-06-04 06:46:26 +0100 | [diff] [blame] | 29 | #elif defined(CONFIG_ARCH_AT91X40) |
| 30 | #include <asm/arch/at91x40.h> |
Andrew Victor | 55d8bae | 2006-11-30 17:16:43 +0100 | [diff] [blame] | 31 | #else |
| 32 | #error "Unsupported AT91 processor" |
| 33 | #endif |
| 34 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 35 | |
Greg Ungerer | feb4722 | 2007-06-04 06:46:26 +0100 | [diff] [blame] | 36 | #ifdef CONFIG_MMU |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 37 | /* |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 38 | * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF |
Andrew Victor | 7f6e2d9 | 2007-02-22 07:34:56 +0100 | [diff] [blame] | 39 | * to 0xFEF78000 .. 0xFF000000. (544Kb) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 40 | */ |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 41 | #define AT91_IO_PHYS_BASE 0xFFF78000 |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 42 | #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) |
Greg Ungerer | feb4722 | 2007-06-04 06:46:26 +0100 | [diff] [blame] | 43 | #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 People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 52 | |
| 53 | /* Convert a physical IO address to virtual IO address */ |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame] | 54 | #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 55 | |
| 56 | /* |
| 57 | * Virtual to Physical Address mapping for IO devices. |
| 58 | */ |
| 59 | #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 60 | #define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 61 | |
Andrew Victor | 10e8e1f | 2006-06-19 15:26:51 +0100 | [diff] [blame] | 62 | /* Internal SRAM is mapped below the IO devices */ |
Andrew Victor | 05043d0 | 2006-12-01 11:51:19 +0100 | [diff] [blame] | 63 | #define AT91_SRAM_MAX SZ_1M |
| 64 | #define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) |
Andrew Victor | 10e8e1f | 2006-06-19 15:26:51 +0100 | [diff] [blame] | 65 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 66 | /* Serial ports */ |
Andrew Victor | 05043d0 | 2006-12-01 11:51:19 +0100 | [diff] [blame] | 67 | #define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 68 | |
Andrew Victor | 05043d0 | 2006-12-01 11:51:19 +0100 | [diff] [blame] | 69 | /* 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 People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 78 | |
| 79 | /* SDRAM */ |
Greg Ungerer | feb4722 | 2007-06-04 06:46:26 +0100 | [diff] [blame] | 80 | #ifdef CONFIG_DRAM_BASE |
| 81 | #define AT91_SDRAM_BASE CONFIG_DRAM_BASE |
| 82 | #else |
Andrew Victor | 05043d0 | 2006-12-01 11:51:19 +0100 | [diff] [blame] | 83 | #define AT91_SDRAM_BASE AT91_CHIPSELECT_1 |
Greg Ungerer | feb4722 | 2007-06-04 06:46:26 +0100 | [diff] [blame] | 84 | #endif |
Andrew Victor | 2c1f3b7 | 2006-02-21 12:56:52 +0200 | [diff] [blame] | 85 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 86 | /* Clocks */ |
| 87 | #define AT91_SLOW_CLOCK 32768 /* slow clock */ |
| 88 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 89 | |
| 90 | #endif |