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/*

 * linux/include/asm-arm/arch-rpc/hardware.h

 *

 * Copyright (C) 1996 Russell King.

 *

 * This file contains the hardware definitions of the RiscPC series machines.

 */

#ifndef __ASM_ARCH_HARDWARE_H

#define __ASM_ARCH_HARDWARE_H

/*

 * What hardware must be present

 */

#define HAS_IOMD

#define HAS_VIDC20

/* Hardware addresses of major areas.

 *  *_START is the physical address

 *  *_SIZE  is the size of the region

 *  *_BASE  is the virtual address

 */

#define RAM_SIZE                0x10000000

#define RAM_START               0x10000000

#define EASI_SIZE               0x08000000      /* EASI I/O */

#define EASI_START              0x08000000

#define EASI_BASE               0xe5000000

#define IO_START                0x03000000      /* I/O */

#define IO_SIZE                 0x01000000

#define IO_BASE                 0xe0000000

#define SCREEN_START            0x02000000      /* VRAM */

#define SCREEN2_END             0xe0000000

#define SCREEN2_BASE            0xd8000000

#define SCREEN1_END             0xd8000000

#define SCREEN1_BASE            0xd0000000

#ifndef __ASSEMBLER__

/*

 * for use with inb/outb

 */

#define IO_VIDC_AUDIO_BASE      0x80140000

#define IO_VIDC_BASE            0x80100000

#define IO_IOMD_BASE            0x80080000

#define IO_EC_EASI_BASE         0x81400000

#define IO_EC_IOC4_BASE         0x8009c000

#define IO_EC_IOC_BASE          0x80090000

#define IO_EC_MEMC8_BASE        0x8000ac00

#define IO_EC_MEMC_BASE         0x80000000

/*

 * IO definitions

 */

#define EXPMASK_BASE            ((volatile unsigned char *)0xe0360000)

#define IOEB_BASE               ((volatile unsigned char *)0xe0350050)

#define IOC_BASE                ((volatile unsigned char *)0xe0200000)

#define PCIO_FLOPPYDMABASE      ((volatile unsigned char *)0xe002a000)

#define PCIO_BASE               0xe0010000

/*

 * Offsets from RAM base

 */

#define PARAMS_OFFSET           0x0100

#define KERNEL_OFFSET           0x8000

/*

 * RAM definitions

 */

#define MAPTOPHYS(x)            (x)

#define KERNTOPHYS(x)           ((unsigned long)(&x))

#define GET_MEMORY_END(p)       (PAGE_OFFSET + p->u1.s.page_size * \

                                                (p->u1.s.pages_in_bank[0] + \

                                                 p->u1.s.pages_in_bank[1] + \

                                                 p->u1.s.pages_in_bank[2] + \

                                                 p->u1.s.pages_in_bank[3]))

#define KERNEL_BASE             (PAGE_OFFSET + KERNEL_OFFSET)

#define PARAMS_BASE             (PAGE_OFFSET + PARAMS_OFFSET)

#define Z_PARAMS_BASE           (RAM_START + PARAMS_OFFSET)

#define SAFE_ADDR               0x00000000      /* ROM */

#else

#define VIDC_SND_BASE           0xe0500000

#define VIDC_BASE               0xe0400000

#define IOMD_BASE               0xe0200000

#define IOC_BASE                0xe0200000

#define PCIO_FLOPPYDMABASE      0xe002a000

#define PCIO_BASE               0xe0010000

#define IO_BASE                 0xe0000000

#endif

#endif