| /* |
| * include/asm-arm/arch-at91rm9200/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> |
| #else |
| #error "Unsupported AT91 processor" |
| #endif |
| |
| |
| /* |
| * Remap the peripherals from address 0xFFFA0000 .. 0xFFFFFFFF |
| * to 0xFEFA0000 .. 0xFF000000. (384Kb) |
| */ |
| #define AT91_IO_PHYS_BASE 0xFFFA0000 |
| #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) |
| #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) |
| |
| /* 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 */ |
| #define AT91_SDRAM_BASE AT91_CHIPSELECT_1 |
| |
| /* Clocks */ |
| #define AT91_SLOW_CLOCK 32768 /* slow clock */ |
| |
| #ifndef __ASSEMBLY__ |
| #include <asm/io.h> |
| |
| static inline unsigned int at91_sys_read(unsigned int reg_offset) |
| { |
| void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS; |
| |
| return __raw_readl(addr + reg_offset); |
| } |
| |
| static inline void at91_sys_write(unsigned int reg_offset, unsigned long value) |
| { |
| void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS; |
| |
| __raw_writel(value, addr + reg_offset); |
| } |
| #endif |
| |
| #endif |
