hardware.h

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/*
 * linux/include/asm-arm/arch-ebsa285/hardware.h
 *
 * Copyright (C) 1998-1999 Russell King.
 *
 * This file contains the hardware definitions of the EBSA-285.
 */
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H

#include <linux/config.h>
#include <asm/arch/memory.h>

#ifdef CONFIG_HOST_FOOTBRIDGE
/*   Virtual      Physical
 * 0xfff00000	0x40000000	X-Bus
 * 0xff000000	0x7c000000	PCI I/O space
 *
 * 0xfe000000	0x42000000	CSR
 * 0xfd000000	0x78000000	Outbound write flush
 * 0xfc000000	0x79000000	PCI IACK/special space
 *
 * 0xf9000000	0x7a000000	PCI Config type 1
 * 0xf8000000	0x7b000000	PCI Config type 0
 * 
 */
#define XBUS_SIZE		0x00100000
#define XBUS_BASE		0xfff00000

#define PCIO_SIZE		0x00100000
#define PCIO_BASE		0xff000000

#define ARMCSR_SIZE		0x01000000
#define ARMCSR_BASE		0xfe000000

#define WFLUSH_SIZE		0x01000000
#define WFLUSH_BASE		0xfd000000

#define PCIIACK_SIZE		0x01000000
#define PCIIACK_BASE		0xfc000000

#define PCICFG1_SIZE		0x01000000
#define PCICFG1_BASE		0xf9000000

#define PCICFG0_SIZE		0x01000000
#define PCICFG0_BASE		0xf8000000

#define PCIMEM_SIZE		0x18000000
#define PCIMEM_BASE		0xe0000000

#define FLUSH_SIZE		0x00100000
#define FLUSH_BASE		0xdf000000

#define FLASH_SIZE		0x00400000
#define FLASH_BASE		0xd8000000

#elif defined(CONFIG_ARCH_CO285)

#define PCIMEM_SIZE		0x80000000
#define PCIMEM_BASE		0x80000000

#define FLASH_SIZE		0x01000000
#define FLASH_BASE		0x7f000000

#define FLUSH_SIZE		0x00100000
#define FLUSH_BASE		0x7e000000

#define WFLUSH_SIZE		0x01000000
#define WFLUSH_BASE		0x7d000000

#define ARMCSR_SIZE		0x00100000
#define ARMCSR_BASE		0x7cf00000

#define XBUS_SIZE		0x00020000
#define XBUS_BASE		0x7cee0000

#define PCIO_SIZE		0x00010000
#define PCIO_BASE		0x7ced0000

#else

#error Add your add-in architecture here

#endif

#define XBUS_LEDS		((volatile unsigned char *)(XBUS_BASE + 0x12000))
#define XBUS_LED_AMBER		(1 << 0)
#define XBUS_LED_GREEN		(1 << 1)
#define XBUS_LED_RED		(1 << 2)
#define XBUS_LED_TOGGLE		(1 << 8)

#define XBUS_SWITCH		((volatile unsigned char *)(XBUS_BASE + 0x12000))
#define XBUS_SWITCH_SWITCH	((*XBUS_SWITCH) & 15)
#define XBUS_SWITCH_J17_13	((*XBUS_SWITCH) & (1 << 4))
#define XBUS_SWITCH_J17_11	((*XBUS_SWITCH) & (1 << 5))
#define XBUS_SWITCH_J17_9	((*XBUS_SWITCH) & (1 << 6))

#define PARAMS_OFFSET		0x0100
#define PARAMS_BASE		(PAGE_OFFSET + PARAMS_OFFSET)

#define FLUSH_BASE_PHYS		0x50000000


/* PIC irq control */
#define PIC_LO			0x20
#define PIC_MASK_LO		0x21
#define PIC_HI			0xA0
#define PIC_MASK_HI		0xA1

/* GPIO pins */
#define GPIO_CCLK		0x800
#define GPIO_DSCLK		0x400
#define GPIO_E2CLK		0x200
#define GPIO_IOLOAD		0x100
#define GPIO_RED_LED		0x080
#define GPIO_WDTIMER		0x040
#define GPIO_DATA		0x020
#define GPIO_IOCLK		0x010
#define GPIO_DONE		0x008
#define GPIO_FAN		0x004
#define GPIO_GREEN_LED		0x002
#define GPIO_RESET		0x001

/* CPLD pins */
#define CPLD_DSRESET		8
#define CPLD_UNMUTE		2

#ifndef __ASSEMBLY__
extern void gpio_modify_op(int mask, int set);
extern void gpio_modify_io(int mask, int in);
extern int  gpio_read(void);
extern void cpld_modify(int mask, int set);
#endif

#endif