/*
* 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.
* Copyright (C) 2009 Zhang Le
*/
#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... */

/*
* Valid machtype for group DEC
*/
#define MACH_DSUNKNOWN 0
#define MACH_DS23100 1 /* DECstation 2100 or 3100 */
#define MACH_DS5100 2 /* DECsystem 5100 */
#define MACH_DS5000_200 3 /* DECstation 5000/200 */
#define MACH_DS5000_1XX 4 /* DECstation 5000/120, 125, 133, 150 */
#define MACH_DS5000_XX 5 /* DECstation 5000/20, 25, 33, 50 */
#define MACH_DS5000_2X0 6 /* DECstation 5000/240, 260 */
#define MACH_DS5400 7 /* DECsystem 5400 */
#define MACH_DS5500 8 /* DECsystem 5500 */
#define MACH_DS5800 9 /* DECsystem 5800 */
#define MACH_DS5900 10 /* DECsystem 5900 */

/*
* Valid machtype for group PMC-MSP
*/
#define MACH_MSP4200_EVAL 0 /* PMC-Sierra MSP4200 Evaluation */
#define MACH_MSP4200_GW 1 /* PMC-Sierra MSP4200 Gateway demo */
#define MACH_MSP4200_FPGA 2 /* PMC-Sierra MSP4200 Emulation */
#define MACH_MSP7120_EVAL 3 /* PMC-Sierra MSP7120 Evaluation */
#define MACH_MSP7120_GW 4 /* PMC-Sierra MSP7120 Residential GW */
#define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
#define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */

/*
* Valid machtype for group Mikrotik
*/
#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
#define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */

/*
* Valid machtype for Loongson family
*/
#define MACH_LOONGSON_UNKNOWN 0
#define MACH_LEMOTE_FL2E 1
#define MACH_LEMOTE_FL2F 2
#define MACH_LEMOTE_ML2F7 3
#define MACH_LEMOTE_YL2F89 4
#define MACH_DEXXON_GDIUM2F10 5
#define MACH_LEMOTE_NAS 6
#define MACH_LEMOTE_LL2F 7
#define MACH_LOONGSON_END 8

/*
* Valid machtype for group INGENIC
*/
#define MACH_INGENIC_JZ4730 0 /* JZ4730 SOC */
#define MACH_INGENIC_JZ4740 1 /* JZ4740 SOC */

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
#define BOOT_MEM_INIT_RAM 4

/*
* 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 detect_memory_region(phys_t start, phys_t sz_min, phys_t sz_max);

extern void prom_init(void);
extern void prom_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 prom_init()
*/
extern char arcs_cmdline[COMMAND_LINE_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 plat_mem_setup(void);

#ifdef CONFIG_SWIOTLB
/*
* Optional platform hook to call swiotlb_setup().
*/
extern void plat_swiotlb_setup(void);

#else

static inline void plat_swiotlb_setup(void) {}

#endif /* CONFIG_SWIOTLB */

#endif /* _ASM_BOOTINFO_H */