/* * arch/arm/mach-at91/include/mach/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 <mach/at91rm9200.h> #elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20) #include <mach/at91sam9260.h> #elif defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10) #include <mach/at91sam9261.h> #elif defined(CONFIG_ARCH_AT91SAM9263) #include <mach/at91sam9263.h> #elif defined(CONFIG_ARCH_AT91SAM9RL) #include <mach/at91sam9rl.h> #elif defined(CONFIG_ARCH_AT91SAM9G45) #include <mach/at91sam9g45.h> #elif defined(CONFIG_ARCH_AT91CAP9) #include <mach/at91cap9.h> #elif defined(CONFIG_ARCH_AT91X40) #include <mach/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