[deliverable/linux.git] / arch / mips / include / asm / bootinfo.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.
 *
 * 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 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file COPYING in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (C) 1995, 1996, 2003 by Ralf Baechle
	7	* Copyright (C) 1995, 1996 Andreas Busse
	8	* Copyright (C) 1995, 1996 Stoned Elipot
	9	* Copyright (C) 1995, 1996 Paul M. Antoine.
3209e70e	10	* Copyright (C) 2009 Zhang Le
1da177e4 LT	11	*/
	12	#ifndef _ASM_BOOTINFO_H
	13	#define _ASM_BOOTINFO_H
	14
	15	#include <linux/types.h>
	16	#include <asm/setup.h>
	17
	18	/*
05dc8c02 RB	19	* The MACH_ IDs are sort of equivalent to PCI product IDs. As such the
	20	* numbers do not necessarily reflect technical relations or similarities
	21	* between systems.
1da177e4 LT	22	*/
	23
	24	/*
	25	* Valid machtype values for group unknown
	26	*/
1da177e4 LT	27	#define MACH_UNKNOWN 0 /* whatever... */
1da177e4 LT	28
1da177e4 LT	29	/*
	30	* Valid machtype for group DEC
	31	*/
1da177e4 LT	32	#define MACH_DSUNKNOWN 0
	33	#define MACH_DS23100 1 /* DECstation 2100 or 3100 */
	34	#define MACH_DS5100 2 /* DECsystem 5100 */
	35	#define MACH_DS5000_200 3 /* DECstation 5000/200 */
	36	#define MACH_DS5000_1XX 4 /* DECstation 5000/120, 125, 133, 150 */
	37	#define MACH_DS5000_XX 5 /* DECstation 5000/20, 25, 33, 50 */
	38	#define MACH_DS5000_2X0 6 /* DECstation 5000/240, 260 */
	39	#define MACH_DS5400 7 /* DECsystem 5400 */
	40	#define MACH_DS5500 8 /* DECsystem 5500 */
	41	#define MACH_DS5800 9 /* DECsystem 5800 */
	42	#define MACH_DS5900 10 /* DECsystem 5900 */
	43
9267a30d MSJ	44	/*
	45	* Valid machtype for group PMC-MSP
	46	*/
70342287 RB	47	#define MACH_MSP4200_EVAL 0 /* PMC-Sierra MSP4200 Evaluation */
	48	#define MACH_MSP4200_GW 1 /* PMC-Sierra MSP4200 Gateway demo */
	49	#define MACH_MSP4200_FPGA 2 /* PMC-Sierra MSP4200 Emulation */
	50	#define MACH_MSP7120_EVAL 3 /* PMC-Sierra MSP7120 Evaluation */
	51	#define MACH_MSP7120_GW 4 /* PMC-Sierra MSP7120 Residential GW */
	52	#define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
	53	#define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */
9267a30d	54
73b4390f RB	55	/*
	56	* Valid machtype for group Mikrotik
	57	*/
70342287 RB	58	#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
70342287 RB	59	#define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */
73b4390f	60
3209e70e WZ	61	/*
	62	* Valid machtype for Loongson family
	63	*/
	64	#define MACH_LOONGSON_UNKNOWN 0
	65	#define MACH_LEMOTE_FL2E 1
	66	#define MACH_LEMOTE_FL2F 2
	67	#define MACH_LEMOTE_ML2F7 3
	68	#define MACH_LEMOTE_YL2F89 4
	69	#define MACH_DEXXON_GDIUM2F10 5
70342287	70	#define MACH_LEMOTE_NAS 6
6e552c9b WZ	71	#define MACH_LEMOTE_LL2F 7
6e552c9b WZ	72	#define MACH_LOONGSON_END 8
3209e70e	73
83ccf69d LPC	74	/*
	75	* Valid machtype for group INGENIC
	76	*/
	77	#define MACH_INGENIC_JZ4730 0 /* JZ4730 SOC */
	78	#define MACH_INGENIC_JZ4740 1 /* JZ4740 SOC */
	79
231a35d3	80	extern char *system_type;
1da177e4 LT	81	const char *get_system_type(void);
	82
	83	extern unsigned long mips_machtype;
1da177e4 LT	84
	85	#define BOOT_MEM_MAP_MAX 32
	86	#define BOOT_MEM_RAM 1
	87	#define BOOT_MEM_ROM_DATA 2
	88	#define BOOT_MEM_RESERVED 3
43064c0c	89	#define BOOT_MEM_INIT_RAM 4
1da177e4 LT	90
	91	/*
	92	* A memory map that's built upon what was determined
	93	* or specified on the command line.
	94	*/
	95	struct boot_mem_map {
	96	int nr_map;
	97	struct boot_mem_map_entry {
	98	phys_t addr; /* start of memory segment */
	99	phys_t size; /* size of memory segment */
	100	long type; /* type of memory segment */
	101	} map[BOOT_MEM_MAP_MAX];
	102	};
	103
	104	extern struct boot_mem_map boot_mem_map;
	105
	106	extern void add_memory_region(phys_t start, phys_t size, long type);
4d9f77d2	107	extern void detect_memory_region(phys_t start, phys_t sz_min, phys_t sz_max);
1da177e4 LT	108
1da177e4 LT	109	extern void prom_init(void);
c44e8d5e AN	110	extern void prom_free_prom_memory(void);
	111
	112	extern void free_init_pages(const char *what,
	113	unsigned long begin, unsigned long end);
1da177e4 LT	114
	115	/*
	116	* Initial kernel command line, usually setup by prom_init()
	117	*/
7580c9c3	118	extern char arcs_cmdline[COMMAND_LINE_SIZE];
1da177e4 LT	119
1da177e4 LT	120	/*
beb7dd86	121	* Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
1da177e4 LT	122	*/
1da177e4 LT	123	extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
2925aba4 RB	124
	125	/*
	126	* Platform memory detection hook called by setup_arch
	127	*/
	128	extern void plat_mem_setup(void);
	129
ee71b7d2 DD	130	#ifdef CONFIG_SWIOTLB
	131	/*
	132	* Optional platform hook to call swiotlb_setup().
	133	*/
	134	extern void plat_swiotlb_setup(void);
	135
	136	#else
	137
	138	static inline void plat_swiotlb_setup(void) {}
	139
	140	#endif /* CONFIG_SWIOTLB */
	141
1da177e4	142	#endif /* _ASM_BOOTINFO_H */