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hardware.h

/*
 *  arch/arm/mach-rpc/include/mach/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 <mach/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 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 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

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