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#ifndef __ASM_SH64_PLATFORM_H

#define __ASM_SH64_PLATFORM_H

/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * include/asm-sh64/platform.h

 *

 * Copyright (C) 2000, 2001  Paolo Alberelli

 *

 * benedict.gaster@superh.com:   3rd May 2002

 *    Added support for ramdisk, removing statically linked romfs at the same time.

 */

#include <linux/ioport.h>

#include <asm/irq.h>

/*

 * Platform definition structure.

 */

struct sh64_platform {

        unsigned int readonly_rootfs;

        unsigned int ramdisk_flags;

        unsigned int initial_root_dev;

        unsigned int loader_type;

        unsigned int initrd_start;

        unsigned int initrd_size;

        unsigned int fpu_flags;

        unsigned int io_res_count;

        unsigned int kram_res_count;

        unsigned int xram_res_count;

        unsigned int rom_res_count;

        struct resource *io_res_p;

        struct resource *kram_res_p;

        struct resource *xram_res_p;

        struct resource *rom_res_p;

};

extern struct sh64_platform platform_parms;

extern unsigned long long memory_start, memory_end;

extern unsigned long long fpu_in_use;

extern int platform_int_priority[NR_INTC_IRQS];

#define FPU_FLAGS               (platform_parms.fpu_flags)

#define STANDARD_IO_RESOURCES   (platform_parms.io_res_count)

#define STANDARD_KRAM_RESOURCES (platform_parms.kram_res_count)

#define STANDARD_XRAM_RESOURCES (platform_parms.xram_res_count)

#define STANDARD_ROM_RESOURCES  (platform_parms.rom_res_count)

/*

 * Kernel Memory description, Respectively:

 * code = last but one memory descriptor

 * data = last memory descriptor

 */

#define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2])

#define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1])

/* Be prepared to 64-bit sign extensions */

#define PFN_UP(x)       ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff)

#define PFN_DOWN(x)     (((x) >> PAGE_SHIFT) & 0x000fffff)

#define PFN_PHYS(x)     ((x) << PAGE_SHIFT)

#endif  /* __ASM_SH64_PLATFORM_H */