?? hardware.h
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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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