Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-at91/include/mach/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 | |
Jean-Christophe PLAGNIOL-VILLARD | 13079a7 | 2011-11-02 01:43:31 +0800 | [diff] [blame] | 19 | /* DBGU base */ |
| 20 | /* rm9200, 9260/9g20, 9261/9g10, 9rl */ |
| 21 | #define AT91_BASE_DBGU0 0xfffff200 |
Jean-Christophe PLAGNIOL-VILLARD | 9918cea | 2012-01-26 14:07:09 +0100 | [diff] [blame] | 22 | /* 9263, 9g45 */ |
Jean-Christophe PLAGNIOL-VILLARD | 13079a7 | 2011-11-02 01:43:31 +0800 | [diff] [blame] | 23 | #define AT91_BASE_DBGU1 0xffffee00 |
| 24 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 25 | #if defined(CONFIG_ARCH_AT91RM9200) |
| 26 | #include <mach/at91rm9200.h> |
| 27 | #elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20) |
| 28 | #include <mach/at91sam9260.h> |
Nicolas Ferre | b784b7c | 2009-06-26 15:36:59 +0100 | [diff] [blame] | 29 | #elif defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/at91sam9261.h> |
| 31 | #elif defined(CONFIG_ARCH_AT91SAM9263) |
| 32 | #include <mach/at91sam9263.h> |
| 33 | #elif defined(CONFIG_ARCH_AT91SAM9RL) |
| 34 | #include <mach/at91sam9rl.h> |
Nicolas Ferre | fddcc0a | 2009-06-26 15:36:56 +0100 | [diff] [blame] | 35 | #elif defined(CONFIG_ARCH_AT91SAM9G45) |
| 36 | #include <mach/at91sam9g45.h> |
Dan Liang | 2b9ccf3 | 2011-03-10 19:08:55 +0100 | [diff] [blame] | 37 | #elif defined(CONFIG_ARCH_AT91SAM9X5) |
| 38 | #include <mach/at91sam9x5.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 39 | #elif defined(CONFIG_ARCH_AT91X40) |
| 40 | #include <mach/at91x40.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 41 | #else |
| 42 | #error "Unsupported AT91 processor" |
| 43 | #endif |
| 44 | |
Jean-Christophe PLAGNIOL-VILLARD | 21d08b9 | 2011-04-23 15:28:34 +0800 | [diff] [blame] | 45 | #if !defined(CONFIG_ARCH_AT91X40) |
| 46 | /* |
| 47 | * On all at91 except rm9200 and x40 have the System Controller starts |
| 48 | * at address 0xffffc000 and has a size of 16KiB. |
| 49 | * |
| 50 | * On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting |
| 51 | * at 0xfffff000 |
| 52 | * |
| 53 | * Removes the individual definitions of AT91_BASE_SYS and |
| 54 | * replaces them with a common version at base 0xfffffc000 and size 16KiB |
| 55 | * and map the same memory space |
| 56 | */ |
| 57 | #define AT91_BASE_SYS 0xffffc000 |
| 58 | #endif |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 59 | |
Jean-Christophe PLAGNIOL-VILLARD | ee2e350 | 2011-05-02 01:05:54 +0800 | [diff] [blame] | 60 | /* |
Jean-Christophe PLAGNIOL-VILLARD | be6d432 | 2011-11-03 01:12:50 +0800 | [diff] [blame] | 61 | * On all at91 have the Advanced Interrupt Controller starts at address |
| 62 | * 0xfffff000 |
| 63 | */ |
| 64 | #define AT91_AIC 0xfffff000 |
| 65 | |
| 66 | /* |
Jean-Christophe PLAGNIOL-VILLARD | ee2e350 | 2011-05-02 01:05:54 +0800 | [diff] [blame] | 67 | * Peripheral identifiers/interrupts. |
| 68 | */ |
| 69 | #define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ |
| 70 | #define AT91_ID_SYS 1 /* System Peripherals */ |
| 71 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 72 | #ifdef CONFIG_MMU |
| 73 | /* |
| 74 | * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF |
| 75 | * to 0xFEF78000 .. 0xFF000000. (544Kb) |
| 76 | */ |
| 77 | #define AT91_IO_PHYS_BASE 0xFFF78000 |
| 78 | #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) |
| 79 | #else |
| 80 | /* |
| 81 | * Identity mapping for the non MMU case. |
| 82 | */ |
| 83 | #define AT91_IO_PHYS_BASE AT91_BASE_SYS |
| 84 | #define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE |
| 85 | #endif |
| 86 | |
| 87 | #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) |
| 88 | |
| 89 | /* Convert a physical IO address to virtual IO address */ |
| 90 | #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) |
| 91 | |
| 92 | /* |
| 93 | * Virtual to Physical Address mapping for IO devices. |
| 94 | */ |
| 95 | #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) |
| 96 | #define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) |
| 97 | |
| 98 | /* Internal SRAM is mapped below the IO devices */ |
| 99 | #define AT91_SRAM_MAX SZ_1M |
| 100 | #define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) |
| 101 | |
| 102 | /* Serial ports */ |
| 103 | #define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ |
| 104 | |
| 105 | /* External Memory Map */ |
| 106 | #define AT91_CHIPSELECT_0 0x10000000 |
| 107 | #define AT91_CHIPSELECT_1 0x20000000 |
| 108 | #define AT91_CHIPSELECT_2 0x30000000 |
| 109 | #define AT91_CHIPSELECT_3 0x40000000 |
| 110 | #define AT91_CHIPSELECT_4 0x50000000 |
| 111 | #define AT91_CHIPSELECT_5 0x60000000 |
| 112 | #define AT91_CHIPSELECT_6 0x70000000 |
| 113 | #define AT91_CHIPSELECT_7 0x80000000 |
| 114 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 115 | /* Clocks */ |
| 116 | #define AT91_SLOW_CLOCK 32768 /* slow clock */ |
| 117 | |
| 118 | |
| 119 | #endif |