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/*
* linux/include/asm-arm/arch-ebsa285/hardware.h
*
* Copyright (C) 1998-1999 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This file contains the hardware definitions of the EBSA-285.
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/arch/memory.h>
#ifdef CONFIG_ARCH_FOOTBRIDGE
/* Virtual Physical Size
* 0xff800000 0x40000000 1MB X-Bus
* 0xff000000 0x7c000000 1MB PCI I/O space
* 0xfe000000 0x42000000 1MB CSR
* 0xfd000000 0x78000000 1MB Outbound write flush (not supported)
* 0xfc000000 0x79000000 1MB PCI IACK/special space
* 0xfb000000 0x7a000000 16MB PCI Config type 1
* 0xfa000000 0x7b000000 16MB PCI Config type 0
* 0xf9000000 0x50000000 1MB Cache flush
* 0xf0000000 0x80000000 16MB ISA memory
*/
#define XBUS_SIZE 0x00100000
#define XBUS_BASE 0xff800000
#define PCIO_SIZE 0x00100000
#define PCIO_BASE 0xff000000
#define ARMCSR_SIZE 0x00100000
#define ARMCSR_BASE 0xfe000000
#define WFLUSH_SIZE 0x00100000
#define WFLUSH_BASE 0xfd000000
#define PCIIACK_SIZE 0x00100000
#define PCIIACK_BASE 0xfc000000
#define PCICFG1_SIZE 0x01000000
#define PCICFG1_BASE 0xfb000000
#define PCICFG0_SIZE 0x01000000
#define PCICFG0_BASE 0xfa000000
#define PCIMEM_SIZE 0x01000000
#define PCIMEM_BASE 0xf0000000
#elif defined(CONFIG_ARCH_CO285)
/*
* This is the COEBSA285 cut-down mapping
*/
#define PCIMEM_SIZE 0x80000000
#define PCIMEM_BASE 0x80000000
#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 "Undefined footbridge architecture"
#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 UNCACHEABLE_ADDR (ARMCSR_BASE + 0x108)
/* 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_DS_ENABLE 8
#define CPLD_7111_DISABLE 4
#define CPLD_UNMUTE 2
#define CPLD_FLASH_WR_ENABLE 1
#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
#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0x81000000
#endif
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