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/*
* 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.
*
* Copyright (C) 1995, 1996, 2003 by Ralf Baechle
* Copyright (C) 1995, 1996 Andreas Busse
* Copyright (C) 1995, 1996 Stoned Elipot
* Copyright (C) 1995, 1996 Paul M. Antoine.
*/
#ifndef _ASM_BOOTINFO_H
#define _ASM_BOOTINFO_H
#include <linux/types.h>
#include <asm/setup.h>
/*
* The MACH_ IDs are sort of equivalent to PCI product IDs. As such the
* numbers do not necessarily reflect technical relations or similarities
* between systems.
*/
/*
* Valid machtype values for group unknown
*/
#define MACH_UNKNOWN 0 /* whatever... */
#define CL_SIZE COMMAND_LINE_SIZE
extern char *system_type;
const char *get_system_type(void);
extern unsigned long mips_machtype;
#define BOOT_MEM_MAP_MAX 32
#define BOOT_MEM_RAM 1
#define BOOT_MEM_ROM_DATA 2
#define BOOT_MEM_RESERVED 3
/*
* A memory map that's built upon what was determined
* or specified on the command line.
*/
struct boot_mem_map {
int nr_map;
struct boot_mem_map_entry {
phys_t addr; /* start of memory segment */
phys_t size; /* size of memory segment */
long type; /* type of memory segment */
} map[BOOT_MEM_MAP_MAX];
};
extern struct boot_mem_map boot_mem_map;
extern void add_memory_region(phys_t start, phys_t size, long type);
extern void bsp_init(void);
extern void bsp_free_prom_memory(void);
extern void free_init_pages(const char *what,
unsigned long begin, unsigned long end);
/*
* Initial kernel command line, usually setup by bsp_init()
*/
extern char arcs_cmdline[CL_SIZE];
/*
* Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
*/
extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
/*
* Platform memory detection hook called by setup_arch
*/
extern void bsp_setup(void);
#endif /* _ASM_BOOTINFO_H */
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