diff options
Diffstat (limited to 'include/asm-arm/arch-at91rm9200/hardware.h')
-rw-r--r-- | include/asm-arm/arch-at91rm9200/hardware.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91rm9200/hardware.h b/include/asm-arm/arch-at91rm9200/hardware.h new file mode 100644 index 00000000000..2646c01f8e9 --- /dev/null +++ b/include/asm-arm/arch-at91rm9200/hardware.h @@ -0,0 +1,92 @@ +/* + * 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> + +#include <asm/arch/at91rm9200.h> +#include <asm/arch/at91rm9200_sys.h> + +/* + * 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_SPI AT91_IO_P2V(AT91_BASE_SPI) +#define AT91_VA_BASE_SSC2 AT91_IO_P2V(AT91_BASE_SSC2) +#define AT91_VA_BASE_SSC1 AT91_IO_P2V(AT91_BASE_SSC1) +#define AT91_VA_BASE_SSC0 AT91_IO_P2V(AT91_BASE_SSC0) +#define AT91_VA_BASE_US3 AT91_IO_P2V(AT91_BASE_US3) +#define AT91_VA_BASE_US2 AT91_IO_P2V(AT91_BASE_US2) +#define AT91_VA_BASE_US1 AT91_IO_P2V(AT91_BASE_US1) +#define AT91_VA_BASE_US0 AT91_IO_P2V(AT91_BASE_US0) +#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91_BASE_EMAC) +#define AT91_VA_BASE_TWI AT91_IO_P2V(AT91_BASE_TWI) +#define AT91_VA_BASE_MCI AT91_IO_P2V(AT91_BASE_MCI) +#define AT91_VA_BASE_UDP AT91_IO_P2V(AT91_BASE_UDP) +#define AT91_VA_BASE_TCB1 AT91_IO_P2V(AT91_BASE_TCB1) +#define AT91_VA_BASE_TCB0 AT91_IO_P2V(AT91_BASE_TCB0) + +/* Internal SRAM */ +#define AT91_BASE_SRAM 0x00200000 /* Internal SRAM base address */ +#define AT91_SRAM_SIZE 0x00004000 /* Internal SRAM SIZE (16Kb) */ + +/* Serial ports */ +#define AT91_NR_UART 5 /* 4 USART3's and one DBGU port */ + +/* FLASH */ +#define AT91_FLASH_BASE 0x10000000 /* NCS0: Flash physical base address */ + +/* SDRAM */ +#define AT91_SDRAM_BASE 0x20000000 /* NCS1: SDRAM physical base address */ + +/* SmartMedia */ +#define AT91_SMARTMEDIA_BASE 0x40000000 /* NCS3: Smartmedia physical base address */ + +/* Multi-Master Memory controller */ +#define AT91_UHP_BASE 0x00300000 /* USB Host controller */ + +/* 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 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; + + writel(value, addr + reg_offset); +} +#endif + +#endif |