hardware.h
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上传日期:2009-04-28
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- /*
- * linux/include/asm-arm/arch-rpc/hardware.h
- *
- * Copyright (C) 1996-1999 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This file contains the hardware definitions of the RiscPC series machines.
- */
- #ifndef __ASM_ARCH_HARDWARE_H
- #define __ASM_ARCH_HARDWARE_H
- #include <asm/arch/memory.h>
- #ifndef __ASSEMBLY__
- #define IOMEM(x) ((void __iomem *)(unsigned long)(x))
- #else
- #define IOMEM(x) x
- #endif /* __ASSEMBLY__ */
- /*
- * What hardware must be present
- */
- #define HAS_IOMD
- #define HAS_VIDC20
- /* Hardware addresses of major areas.
- * *_START is the physical address
- * *_SIZE is the size of the region
- * *_BASE is the virtual address
- */
- #define RAM_SIZE 0x10000000
- #define RAM_START 0x10000000
- #define EASI_SIZE 0x08000000 /* EASI I/O */
- #define EASI_START 0x08000000
- #define EASI_BASE 0xe5000000
- #define IO_START 0x03000000 /* I/O */
- #define IO_SIZE 0x01000000
- #define IO_BASE IOMEM(0xe0000000)
- #define SCREEN_START 0x02000000 /* VRAM */
- #define SCREEN_END 0xdfc00000
- #define SCREEN_BASE 0xdf800000
- #define FLUSH_BASE 0xdf000000
- #define UNCACHEABLE_ADDR 0xdf010000
- /*
- * IO Addresses
- */
- #define VIDC_BASE IOMEM(0xe0400000)
- #define EXPMASK_BASE 0xe0360000
- #define IOMD_BASE IOMEM(0xe0200000)
- #define IOC_BASE IOMEM(0xe0200000)
- #define PCIO_BASE IOMEM(0xe0010000)
- #define FLOPPYDMA_BASE IOMEM(0xe002a000)
- #define FLUSH_BASE_PHYS 0x00000000 /* ROM */
- #define vidc_writel(val) __raw_writel(val, VIDC_BASE)
- #define IO_EC_EASI_BASE 0x81400000
- #define IO_EC_IOC4_BASE 0x8009c000
- #define IO_EC_IOC_BASE 0x80090000
- #define IO_EC_MEMC8_BASE 0x8000ac00
- #define IO_EC_MEMC_BASE 0x80000000
- #define NETSLOT_BASE 0x0302b000
- #define NETSLOT_SIZE 0x00001000
- #define PODSLOT_IOC0_BASE 0x03240000
- #define PODSLOT_IOC4_BASE 0x03270000
- #define PODSLOT_IOC_SIZE (1 << 14)
- #define PODSLOT_MEMC_BASE 0x03000000
- #define PODSLOT_MEMC_SIZE (1 << 14)
- #define PODSLOT_EASI_BASE 0x08000000
- #define PODSLOT_EASI_SIZE (1 << 24)
- #define EXPMASK_STATUS (EXPMASK_BASE + 0x00)
- #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04)
- #endif