1#ifndef __ASM_SH64_PLATFORM_H 2#define __ASM_SH64_PLATFORM_H 3 4/* 5 * This file is subject to the terms and conditions of the GNU General Public 6 * License. See the file "COPYING" in the main directory of this archive 7 * for more details. 8 * 9 * include/asm-sh64/platform.h 10 * 11 * Copyright (C) 2000, 2001 Paolo Alberelli 12 * 13 * benedict.gaster@superh.com: 3rd May 2002 14 * Added support for ramdisk, removing statically linked romfs at the same time. 15 */ 16 17#include <linux/ioport.h> 18#include <asm/irq.h> 19 20 21/* 22 * Platform definition structure. 23 */ 24struct sh64_platform { 25 unsigned int readonly_rootfs; 26 unsigned int ramdisk_flags; 27 unsigned int initial_root_dev; 28 unsigned int loader_type; 29 unsigned int initrd_start; 30 unsigned int initrd_size; 31 unsigned int fpu_flags; 32 unsigned int io_res_count; 33 unsigned int kram_res_count; 34 unsigned int xram_res_count; 35 unsigned int rom_res_count; 36 struct resource *io_res_p; 37 struct resource *kram_res_p; 38 struct resource *xram_res_p; 39 struct resource *rom_res_p; 40}; 41 42extern struct sh64_platform platform_parms; 43 44extern unsigned long long memory_start, memory_end; 45 46extern unsigned long long fpu_in_use; 47 48extern int platform_int_priority[NR_INTC_IRQS]; 49 50#define FPU_FLAGS (platform_parms.fpu_flags) 51#define STANDARD_IO_RESOURCES (platform_parms.io_res_count) 52#define STANDARD_KRAM_RESOURCES (platform_parms.kram_res_count) 53#define STANDARD_XRAM_RESOURCES (platform_parms.xram_res_count) 54#define STANDARD_ROM_RESOURCES (platform_parms.rom_res_count) 55 56/* 57 * Kernel Memory description, Respectively: 58 * code = last but one memory descriptor 59 * data = last memory descriptor 60 */ 61#define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2]) 62#define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1]) 63 64#endif /* __ASM_SH64_PLATFORM_H */ 65