Commit | Line | Data |
---|---|---|
73a59c1c | 1 | /* |
9d041268 | 2 | * include/asm-arm/arch-at91/hardware.h |
73a59c1c SP |
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 | ||
55d8baee | 19 | #if defined(CONFIG_ARCH_AT91RM9200) |
73a59c1c | 20 | #include <asm/arch/at91rm9200.h> |
61352667 | 21 | #elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20) |
55d8baee AV |
22 | #include <asm/arch/at91sam9260.h> |
23 | #elif defined(CONFIG_ARCH_AT91SAM9261) | |
24 | #include <asm/arch/at91sam9261.h> | |
b2c65616 AV |
25 | #elif defined(CONFIG_ARCH_AT91SAM9263) |
26 | #include <asm/arch/at91sam9263.h> | |
877d7720 AV |
27 | #elif defined(CONFIG_ARCH_AT91SAM9RL) |
28 | #include <asm/arch/at91sam9rl.h> | |
2b3b3516 AV |
29 | #elif defined(CONFIG_ARCH_AT91CAP9) |
30 | #include <asm/arch/at91cap9.h> | |
feb47225 GU |
31 | #elif defined(CONFIG_ARCH_AT91X40) |
32 | #include <asm/arch/at91x40.h> | |
55d8baee AV |
33 | #else |
34 | #error "Unsupported AT91 processor" | |
35 | #endif | |
36 | ||
73a59c1c | 37 | |
feb47225 | 38 | #ifdef CONFIG_MMU |
73a59c1c | 39 | /* |
d0760b3b | 40 | * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF |
7f6e2d99 | 41 | * to 0xFEF78000 .. 0xFF000000. (544Kb) |
73a59c1c | 42 | */ |
d0760b3b | 43 | #define AT91_IO_PHYS_BASE 0xFFF78000 |
73a59c1c | 44 | #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) |
feb47225 GU |
45 | #else |
46 | /* | |
47 | * Identity mapping for the non MMU case. | |
48 | */ | |
49 | #define AT91_IO_PHYS_BASE AT91_BASE_SYS | |
50 | #define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE | |
51 | #endif | |
52 | ||
53 | #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) | |
73a59c1c SP |
54 | |
55 | /* Convert a physical IO address to virtual IO address */ | |
d0760b3b | 56 | #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) |
73a59c1c SP |
57 | |
58 | /* | |
59 | * Virtual to Physical Address mapping for IO devices. | |
60 | */ | |
61 | #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) | |
72729910 | 62 | #define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) |
73a59c1c | 63 | |
10e8e1fb | 64 | /* Internal SRAM is mapped below the IO devices */ |
05043d08 AV |
65 | #define AT91_SRAM_MAX SZ_1M |
66 | #define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) | |
10e8e1fb | 67 | |
73a59c1c | 68 | /* Serial ports */ |
05043d08 AV |
69 | #define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ |
70 | ||
71 | /* External Memory Map */ | |
72 | #define AT91_CHIPSELECT_0 0x10000000 | |
73 | #define AT91_CHIPSELECT_1 0x20000000 | |
74 | #define AT91_CHIPSELECT_2 0x30000000 | |
75 | #define AT91_CHIPSELECT_3 0x40000000 | |
76 | #define AT91_CHIPSELECT_4 0x50000000 | |
77 | #define AT91_CHIPSELECT_5 0x60000000 | |
78 | #define AT91_CHIPSELECT_6 0x70000000 | |
79 | #define AT91_CHIPSELECT_7 0x80000000 | |
73a59c1c SP |
80 | |
81 | /* SDRAM */ | |
feb47225 GU |
82 | #ifdef CONFIG_DRAM_BASE |
83 | #define AT91_SDRAM_BASE CONFIG_DRAM_BASE | |
84 | #else | |
05043d08 | 85 | #define AT91_SDRAM_BASE AT91_CHIPSELECT_1 |
feb47225 | 86 | #endif |
2c1f3b7a | 87 | |
73a59c1c SP |
88 | /* Clocks */ |
89 | #define AT91_SLOW_CLOCK 32768 /* slow clock */ | |
90 | ||
73a59c1c SP |
91 | |
92 | #endif |