Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | #ifndef __ASSEMBLY__ |
Al Viro | 272cd2b7 | 2005-09-29 00:10:01 +0100 | [diff] [blame] | 18 | #define IOMEM(x) ((void __iomem *)(unsigned long)(x)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 FLUSH_BASE 0xdf000000 |
| 50 | #define UNCACHEABLE_ADDR 0xdf010000 |
| 51 | |
| 52 | /* |
| 53 | * IO Addresses |
| 54 | */ |
Al Viro | 272cd2b7 | 2005-09-29 00:10:01 +0100 | [diff] [blame] | 55 | #define VIDC_BASE IOMEM(0xe0400000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #define EXPMASK_BASE 0xe0360000 |
| 57 | #define IOMD_BASE IOMEM(0xe0200000) |
| 58 | #define IOC_BASE IOMEM(0xe0200000) |
| 59 | #define PCIO_BASE IOMEM(0xe0010000) |
| 60 | #define FLOPPYDMA_BASE IOMEM(0xe002a000) |
| 61 | |
| 62 | #define FLUSH_BASE_PHYS 0x00000000 /* ROM */ |
| 63 | |
| 64 | #define vidc_writel(val) __raw_writel(val, VIDC_BASE) |
| 65 | |
| 66 | #define IO_EC_EASI_BASE 0x81400000 |
| 67 | #define IO_EC_IOC4_BASE 0x8009c000 |
| 68 | #define IO_EC_IOC_BASE 0x80090000 |
| 69 | #define IO_EC_MEMC8_BASE 0x8000ac00 |
| 70 | #define IO_EC_MEMC_BASE 0x80000000 |
| 71 | |
| 72 | #define NETSLOT_BASE 0x0302b000 |
| 73 | #define NETSLOT_SIZE 0x00001000 |
| 74 | |
| 75 | #define PODSLOT_IOC0_BASE 0x03240000 |
| 76 | #define PODSLOT_IOC4_BASE 0x03270000 |
| 77 | #define PODSLOT_IOC_SIZE (1 << 14) |
| 78 | #define PODSLOT_MEMC_BASE 0x03000000 |
| 79 | #define PODSLOT_MEMC_SIZE (1 << 14) |
| 80 | #define PODSLOT_EASI_BASE 0x08000000 |
| 81 | #define PODSLOT_EASI_SIZE (1 << 24) |
| 82 | |
| 83 | #define EXPMASK_STATUS (EXPMASK_BASE + 0x00) |
| 84 | #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04) |
| 85 | |
| 86 | #endif |