2 * linux/include/asm-arm/arch-rpc/hardware.h
4 * Copyright (C) 1996-1999 Russell King.
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.
10 * This file contains the hardware definitions of the RiscPC series machines.
12 #ifndef __ASM_ARCH_HARDWARE_H
13 #define __ASM_ARCH_HARDWARE_H
15 #include <asm/arch/memory.h>
18 #define IOMEM(x) ((void __iomem *)(unsigned long)(x))
21 #endif /* __ASSEMBLY__ */
24 * What hardware must be present
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
34 #define RAM_SIZE 0x10000000
35 #define RAM_START 0x10000000
37 #define EASI_SIZE 0x08000000 /* EASI I/O */
38 #define EASI_START 0x08000000
39 #define EASI_BASE 0xe5000000
41 #define IO_START 0x03000000 /* I/O */
42 #define IO_SIZE 0x01000000
43 #define IO_BASE IOMEM(0xe0000000)
45 #define SCREEN_START 0x02000000 /* VRAM */
46 #define SCREEN_END 0xdfc00000
47 #define SCREEN_BASE 0xdf800000
49 #define UNCACHEABLE_ADDR 0xdf010000
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)
61 #define vidc_writel(val) __raw_writel(val, VIDC_BASE)
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
69 #define NETSLOT_BASE 0x0302b000
70 #define NETSLOT_SIZE 0x00001000
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)
80 #define EXPMASK_STATUS (EXPMASK_BASE + 0x00)
81 #define EXPMASK_ENABLE (EXPMASK_BASE + 0x04)