/* * 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