1 /* 2 * arch/arm/mach-rpc/include/mach/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 <mach/memory.h> 16 17 #ifndef __ASSEMBLY__ 18 #define IOMEM(x) ((void __iomem *)(unsigned long)(x)) 19 #else 20 #define IOMEM(x) x 21 #endif /* __ASSEMBLY__ */ 22 23 /* 24 * What hardware must be present 25 */ 26 #define HAS_IOMD 27 #define HAS_VIDC20 28 29 /* Hardware addresses of major areas. 30 * *_START is the physical address 31 * *_SIZE is the size of the region 32 * *_BASE is the virtual address 33 */ 34 #define RAM_SIZE 0x10000000 35 #define RAM_START 0x10000000 36 37 #define EASI_SIZE 0x08000000 /* EASI I/O */ 38 #define EASI_START 0x08000000 39 #define EASI_BASE 0xe5000000 40 41 #define IO_START 0x03000000 /* I/O */ 42 #define IO_SIZE 0x01000000 43 #define IO_BASE IOMEM(0xe0000000) 44 45 #define SCREEN_START 0x02000000 /* VRAM */ 46 #define SCREEN_END 0xdfc00000 47 #define SCREEN_BASE 0xdf800000 48 49 #define UNCACHEABLE_ADDR 0xdf010000 50 51 /* 52 * IO Addresses 53 */ 54 #define VIDC_BASE IOMEM(0xe0400000) 55 #define EXPMASK_BASE 0xe0360000 56 #define IOMD_BASE IOMEM(0xe0200000) 57 #define IOC_BASE IOMEM(0xe0200000) 58 #define PCIO_BASE IOMEM(0xe0010000) 59 #define FLOPPYDMA_BASE IOMEM(0xe002a000) 60 61 #define vidc_writel(val) __raw_writel(val, VIDC_BASE) 62 63 #define IO_EC_EASI_BASE 0x81400000 64 #define IO_EC_IOC4_BASE 0x8009c000 65 #define IO_EC_IOC_BASE 0x80090000 66 #define IO_EC_MEMC8_BASE 0x8000ac00 67 #define IO_EC_MEMC_BASE 0x80000000 68 69 #define NETSLOT_BASE 0x0302b000 70 #define NETSLOT_SIZE 0x00001000 71 72 #define PODSLOT_IOC0_BASE 0x03240000 73 #define PODSLOT_IOC4_BASE 0x03270000 74 #define PODSLOT_IOC_SIZE (1 << 14) 75 #define PODSLOT_MEMC_BASE 0x03000000 76 #define PODSLOT_MEMC_SIZE (1 << 14) 77 #define PODSLOT_EASI_BASE 0x08000000 78 #define PODSLOT_EASI_SIZE (1 << 24) 79 80 #define EXPMASK_STATUS (EXPMASK_BASE + 0x00) 81 #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04) 82 83 #endif 84