| /* | |
| * include/asm-arm/arch-at91/hardware.h | |
| * | |
| * Copyright (C) 2003 SAN People | |
| * Copyright (C) 2003 ATMEL | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| */ | |
| #ifndef __ASM_ARCH_HARDWARE_H | |
| #define __ASM_ARCH_HARDWARE_H | |
| #include <asm/sizes.h> | |
| #if defined(CONFIG_ARCH_AT91RM9200) | |
| #include <asm/arch/at91rm9200.h> | |
| #elif defined(CONFIG_ARCH_AT91SAM9260) | |
| #include <asm/arch/at91sam9260.h> | |
| #elif defined(CONFIG_ARCH_AT91SAM9261) | |
| #include <asm/arch/at91sam9261.h> | |
| #elif defined(CONFIG_ARCH_AT91SAM9263) | |
| #include <asm/arch/at91sam9263.h> | |
| #elif defined(CONFIG_ARCH_AT91SAM9RL) | |
| #include <asm/arch/at91sam9rl.h> | |
| #elif defined(CONFIG_ARCH_AT91X40) | |
| #include <asm/arch/at91x40.h> | |
| #else | |
| #error "Unsupported AT91 processor" | |
| #endif | |
| #ifdef CONFIG_MMU | |
| /* | |
| * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF | |
| * to 0xFEF78000 .. 0xFF000000. (544Kb) | |
| */ | |
| #define AT91_IO_PHYS_BASE 0xFFF78000 | |
| #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) | |
| #else | |
| /* | |
| * Identity mapping for the non MMU case. | |
| */ | |
| #define AT91_IO_PHYS_BASE AT91_BASE_SYS | |
| #define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE | |
| #endif | |
| #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) | |
| /* Convert a physical IO address to virtual IO address */ | |
| #define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) | |
| /* | |
| * Virtual to Physical Address mapping for IO devices. | |
| */ | |
| #define AT91_VA_BASE_SYS AT91_IO_P2V(AT91_BASE_SYS) | |
| #define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC) | |
| /* Internal SRAM is mapped below the IO devices */ | |
| #define AT91_SRAM_MAX SZ_1M | |
| #define AT91_VIRT_BASE (AT91_IO_VIRT_BASE - AT91_SRAM_MAX) | |
| /* Serial ports */ | |
| #define ATMEL_MAX_UART 7 /* 6 USART3's and one DBGU port (SAM9260) */ | |
| /* External Memory Map */ | |
| #define AT91_CHIPSELECT_0 0x10000000 | |
| #define AT91_CHIPSELECT_1 0x20000000 | |
| #define AT91_CHIPSELECT_2 0x30000000 | |
| #define AT91_CHIPSELECT_3 0x40000000 | |
| #define AT91_CHIPSELECT_4 0x50000000 | |
| #define AT91_CHIPSELECT_5 0x60000000 | |
| #define AT91_CHIPSELECT_6 0x70000000 | |
| #define AT91_CHIPSELECT_7 0x80000000 | |
| /* SDRAM */ | |
| #ifdef CONFIG_DRAM_BASE | |
| #define AT91_SDRAM_BASE CONFIG_DRAM_BASE | |
| #else | |
| #define AT91_SDRAM_BASE AT91_CHIPSELECT_1 | |
| #endif | |
| /* Clocks */ | |
| #define AT91_SLOW_CLOCK 32768 /* slow clock */ | |
| #endif |