- /*
- * 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 <linux/config.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 FLUSH_SIZE 0x00100000
- #define FLUSH_BASE 0xf9000000
- #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 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 "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 FLUSH_BASE_PHYS 0x50000000
- #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 0x6000
- #define PCIBIOS_MIN_MEM 0x40000000
- #endif