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/*
* linux/include/asm-arm/arch-arc/hardware.h
*
* Copyright (C) 1996-1999 Russell King.
*
* This file contains the hardware definitions of the
* Acorn Archimedes/A5000 machines.
*
* Modifications:
* 04-04-1998 PJB/RMK Merged arc and a5k versions
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <linux/config.h>
#include <asm/arch/memory.h>
/*
* What hardware must be present - these can be tested by the kernel
* source.
*/
#define HAS_IOC
#define HAS_MEMC
#include <asm/memc.h>
#define HAS_VIDC
/*
* Optional hardware
*/
#define HAS_EXPMASK
/* Hardware addresses of major areas.
* *_START is the physical address
* *_SIZE is the size of the region
* *_BASE is the virtual address
*/
#define IO_START 0x03000000
#define IO_SIZE 0x01000000
#define IO_BASE 0x03000000
/*
* Screen mapping information
*/
#define SCREEN_START 0x02000000
#define SCREEN2_END 0x02078000
#define SCREEN2_BASE 0x02000000
#define SCREEN1_END 0x02000000
#define SCREEN1_BASE 0x01f88000
#ifndef __ASSEMBLER__
/*
* for use with inb/outb
*/
#define IO_VIDC_BASE 0x80100000
#ifdef CONFIG_ARCH_A5K
#define IOEB_VID_CTL 0x800d4012
#define IOEB_PRESENT 0x800d4014
#define IOEB_PSCLR 0x800d4016
#define IOEB_MONTYPE 0x800d401c
#endif
#ifdef CONFIG_ARCH_ARC
#define LATCHAADDR 0x80094010
#define LATCHBADDR 0x80094006
#endif
#define IOC_BASE 0x80080000
#define IO_EC_IOC4_BASE 0x8009c000
#define IO_EC_IOC_BASE 0x80090000
#define IO_EC_MEMC_BASE 0x80000000
#ifdef CONFIG_ARCH_ARC
/* A680 hardware */
#define WD1973_BASE 0x03290000
#define WD1973_LATCH 0x03350000
#define Z8530_BASE 0x032b0008
#define SCSI_BASE 0x03100000
#endif
/*
* IO definitions
*/
#define EXPMASK_BASE ((volatile unsigned char *)0x03360000)
#define IOEB_BASE ((volatile unsigned char *)0x03350050)
#define PCIO_FLOPPYDMABASE ((volatile unsigned char *)0x0302a000)
#define PCIO_BASE 0x03010000
/*
* RAM definitions
*/
#define GET_MEMORY_END(p) (PAGE_OFFSET + (p->u1.s.page_size) * (p->u1.s.nr_pages))
#define PARAMS_BASE (PAGE_OFFSET + 0x7c000)
#else
#define IOEB_BASE 0x03350050
#define IOC_BASE 0x03200000
#define PCIO_FLOPPYDMABASE 0x0302a000
#define PCIO_BASE 0x03010000
#endif
#endif
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