1 /* 2 * linux/include/asm-arm/arch-arc/hardware.h 3 * 4 * Copyright (C) 1996-1999 Russell King. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This file contains the hardware definitions of the 11 * Acorn Archimedes/A5000 machines. 12 * 13 * Modifications: 14 * 04-04-1998 PJB/RMK Merged arc and a5k versions 15 */ 16 #ifndef __ASM_ARCH_HARDWARE_H 17 #define __ASM_ARCH_HARDWARE_H 18 19 #include <linux/config.h> 20 21 #include <asm/arch/memory.h> 22 23 /* 24 * What hardware must be present - these can be tested by the kernel 25 * source. 26 */ 27 #define HAS_IOC 28 #define HAS_MEMC 29 #include <asm/hardware/memc.h> 30 #define HAS_VIDC 31 32 /* Hardware addresses of major areas. 33 * *_START is the physical address 34 * *_SIZE is the size of the region 35 * *_BASE is the virtual address 36 */ 37 #define IO_START 0x03000000 38 #define IO_SIZE 0x01000000 39 #define IO_BASE 0x03000000 40 41 /* 42 * Screen mapping information 43 */ 44 #define SCREEN_START 0x02000000 45 #define SCREEN_END 0x02078000 46 #define SCREEN_BASE 0x02000000 47 48 49 #define EXPMASK_BASE 0x03360000 50 #define IOEB_BASE 0x03350000 51 #define VIDC_BASE 0x03400000 52 #define LATCHA_BASE 0x03250040 53 #define LATCHB_BASE 0x03250018 54 #define IOC_BASE 0x03200000 55 #define FLOPPYDMA_BASE 0x0302a000 56 #define PCIO_BASE 0x03010000 57 58 #define vidc_writel(val) __raw_writel(val, VIDC_BASE) 59 60 #ifndef __ASSEMBLY__ 61 62 /* 63 * for use with inb/outb 64 */ 65 #ifdef CONFIG_ARCH_A5K 66 #define IOEB_VID_CTL (IOEB_BASE + 0x48) 67 #define IOEB_PRESENT (IOEB_BASE + 0x50) 68 #define IOEB_PSCLR (IOEB_BASE + 0x58) 69 #define IOEB_MONTYPE (IOEB_BASE + 0x70) 70 #endif 71 72 #define IO_EC_IOC_BASE 0x80090000 73 #define IO_EC_MEMC_BASE 0x80000000 74 75 #ifdef CONFIG_ARCH_ARC 76 /* A680 hardware */ 77 #define WD1973_BASE 0x03290000 78 #define WD1973_LATCH 0x03350000 79 #define Z8530_BASE 0x032b0008 80 #define SCSI_BASE 0x03100000 81 #endif 82 83 #endif 84 85 #define EXPMASK_STATUS (EXPMASK_BASE + 0x00) 86 #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04) 87 88 #endif 89