1 /* 2 * linux/include/asm-arm/arch-rpc/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 RiscPC series machines. 11 */ 12 #ifndef __ASM_ARCH_HARDWARE_H 13 #define __ASM_ARCH_HARDWARE_H 14 15 #include <asm/arch/memory.h> 16 17 /* 18 * What hardware must be present 19 */ 20 #define HAS_IOMD 21 #define HAS_VIDC20 22 23 /* Hardware addresses of major areas. 24 * *_START is the physical address 25 * *_SIZE is the size of the region 26 * *_BASE is the virtual address 27 */ 28 #define RAM_SIZE 0x10000000 29 #define RAM_START 0x10000000 30 31 #define EASI_SIZE 0x08000000 /* EASI I/O */ 32 #define EASI_START 0x08000000 33 #define EASI_BASE 0xe5000000 34 35 #define IO_START 0x03000000 /* I/O */ 36 #define IO_SIZE 0x01000000 37 #define IO_BASE 0xe0000000 38 39 #define SCREEN_START 0x02000000 /* VRAM */ 40 #define SCREEN_END 0xdfc00000 41 #define SCREEN_BASE 0xdf800000 42 43 #define FLUSH_BASE 0xdf000000 44 #define UNCACHEABLE_ADDR 0xdf010000 45 46 /* 47 * IO Addresses 48 */ 49 #define VIDC_BASE 0xe0400000 50 #define EXPMASK_BASE 0xe0360000 51 #define IOMD_BASE 0xe0200000 52 #define IOC_BASE 0xe0200000 53 #define PCIO_BASE 0xe0010000 54 #define FLOPPYDMA_BASE 0xe002a000 55 56 #define FLUSH_BASE_PHYS 0x00000000 /* ROM */ 57 58 #define vidc_writel(val) __raw_writel(val, VIDC_BASE) 59 60 #define IO_EC_EASI_BASE 0x81400000 61 #define IO_EC_IOC4_BASE 0x8009c000 62 #define IO_EC_IOC_BASE 0x80090000 63 #define IO_EC_MEMC8_BASE 0x8000ac00 64 #define IO_EC_MEMC_BASE 0x80000000 65 66 #define NETSLOT_BASE 0x0302b000 67 #define NETSLOT_SIZE 0x00001000 68 69 #define PODSLOT_IOC0_BASE 0x03240000 70 #define PODSLOT_IOC4_BASE 0x03270000 71 #define PODSLOT_IOC_SIZE (1 << 14) 72 #define PODSLOT_MEMC_BASE 0x03000000 73 #define PODSLOT_MEMC_SIZE (1 << 14) 74 #define PODSLOT_EASI_BASE 0x08000000 75 #define PODSLOT_EASI_SIZE (1 << 24) 76 77 #define EXPMASK_STATUS (EXPMASK_BASE + 0x00) 78 #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04) 79 80 #endif 81