/*
 * 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_PCIO
#define HAS_VIDC20

/*
 * Optional hardware
 */
#define HAS_EXPMASK

/*
 * Physical definitions
 */
#define RAM_START		0x10000000
#define IO_START		0x03000000
#define SCREEN_START		0x02000000	/* VRAM */

#ifndef __ASSEMBLER__

/*
 * for use with inb/outb
 */
#define VIDC_AUDIO_BASE		0x80140000
#define VIDC_BASE		0x80100000
#define IOCEC4IO_BASE		0x8009c000
#define IOCECIO_BASE		0x80090000
#define IOMD_BASE		0x80080000
#define MEMCEC8IO_BASE		0x8000ac00
#define MEMCECIO_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

/*
 * Mapping areas
 */
#define IO_END			0xe0ffffff
#define IO_BASE			0xe0000000
#define IO_SIZE			(IO_END - IO_BASE)

/*
 * Screen mapping information
 */
#define SCREEN2_END		0xe0000000
#define SCREEN2_BASE		0xd8000000
#define SCREEN1_END		SCREEN2_BASE
#define SCREEN1_BASE		0xd0000000

/*
 * 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

