hardware.h
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- /*
- * linux/include/asm-arm/arch-arc/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
- * 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/hardware/memc.h>
- #define HAS_VIDC
- /* 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 SCREEN_END 0x02078000
- #define SCREEN_BASE 0x02000000
- #define EXPMASK_BASE 0x03360000
- #define IOEB_BASE 0x03350000
- #define VIDC_BASE 0x03400000
- #define LATCHA_BASE 0x03250040
- #define LATCHB_BASE 0x03250018
- #define IOC_BASE 0x03200000
- #define FLOPPYDMA_BASE 0x0302a000
- #define PCIO_BASE 0x03010000
- #define vidc_writel(val) __raw_writel(val, VIDC_BASE)
- #ifndef __ASSEMBLY__
- /*
- * for use with inb/outb
- */
- #ifdef CONFIG_ARCH_A5K
- #define IOEB_VID_CTL (IOEB_BASE + 0x48)
- #define IOEB_PRESENT (IOEB_BASE + 0x50)
- #define IOEB_PSCLR (IOEB_BASE + 0x58)
- #define IOEB_MONTYPE (IOEB_BASE + 0x70)
- #endif
- #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
- #endif
- #define EXPMASK_STATUS (EXPMASK_BASE + 0x00)
- #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04)
- #endif