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/*
* 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(AT91RM9200_BASE_SPI)
#define AT91_VA_BASE_EMAC AT91_IO_P2V(AT91RM9200_BASE_EMAC)
#define AT91_VA_BASE_TWI AT91_IO_P2V(AT91RM9200_BASE_TWI)
#define AT91_VA_BASE_MCI AT91_IO_P2V(AT91RM9200_BASE_MCI)
#define AT91_VA_BASE_UDP AT91_IO_P2V(AT91RM9200_BASE_UDP)
/* Internal SRAM is mapped below the IO devices */
#define AT91_SRAM_VIRT_BASE (AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE)
/* Serial ports */
#define ATMEL_MAX_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 */
/* Compact Flash */
#define AT91_CF_BASE 0x50000000 /* NCS4-NCS6: Compact Flash physical base address */
/* 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
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