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.
10 */
11#ifndef _ASM_BOOTINFO_H
12#define _ASM_BOOTINFO_H
13
14#include <linux/types.h>
15#include <asm/setup.h>
16
17/*
18 * The MACH_ IDs are sort of equivalent to PCI product IDs.  As such the
19 * numbers do not necessarily reflect technical relations or similarities
20 * between systems.
21 */
22
23/*
24 * Valid machtype values for group unknown
25 */
26#define  MACH_UNKNOWN		0	/* whatever...			*/
27
28/*
29 * Valid machtype for group DEC
30 */
31#define  MACH_DSUNKNOWN		0
32#define  MACH_DS23100		1	/* DECstation 2100 or 3100	*/
33#define  MACH_DS5100		2	/* DECsystem 5100		*/
34#define  MACH_DS5000_200	3	/* DECstation 5000/200		*/
35#define  MACH_DS5000_1XX	4	/* DECstation 5000/120, 125, 133, 150 */
36#define  MACH_DS5000_XX		5	/* DECstation 5000/20, 25, 33, 50 */
37#define  MACH_DS5000_2X0	6	/* DECstation 5000/240, 260	*/
38#define  MACH_DS5400		7	/* DECsystem 5400		*/
39#define  MACH_DS5500		8	/* DECsystem 5500		*/
40#define  MACH_DS5800		9	/* DECsystem 5800		*/
41#define  MACH_DS5900		10	/* DECsystem 5900		*/
42
43/*
44 * Valid machtype for group PMC-MSP
45 */
46#define MACH_MSP4200_EVAL       0	/* PMC-Sierra MSP4200 Evaluation */
47#define MACH_MSP4200_GW         1	/* PMC-Sierra MSP4200 Gateway demo */
48#define MACH_MSP4200_FPGA       2	/* PMC-Sierra MSP4200 Emulation */
49#define MACH_MSP7120_EVAL       3	/* PMC-Sierra MSP7120 Evaluation */
50#define MACH_MSP7120_GW         4	/* PMC-Sierra MSP7120 Residential GW */
51#define MACH_MSP7120_FPGA       5	/* PMC-Sierra MSP7120 Emulation */
52#define MACH_MSP_OTHER        255	/* PMC-Sierra unknown board type */
53
54/*
55 * Valid machtype for group Mikrotik
56 */
57#define	MACH_MIKROTIK_RB532	0	/* Mikrotik RouterBoard 532 	*/
58#define MACH_MIKROTIK_RB532A	1	/* Mikrotik RouterBoard 532A 	*/
59
60#define CL_SIZE			COMMAND_LINE_SIZE
61
62extern char *system_type;
63const char *get_system_type(void);
64
65extern unsigned long mips_machtype;
66
67#define BOOT_MEM_MAP_MAX	32
68#define BOOT_MEM_RAM		1
69#define BOOT_MEM_ROM_DATA	2
70#define BOOT_MEM_RESERVED	3
71
72/*
73 * A memory map that's built upon what was determined
74 * or specified on the command line.
75 */
76struct boot_mem_map {
77	int nr_map;
78	struct boot_mem_map_entry {
79		phys_t addr;	/* start of memory segment */
80		phys_t size;	/* size of memory segment */
81		long type;		/* type of memory segment */
82	} map[BOOT_MEM_MAP_MAX];
83};
84
85extern struct boot_mem_map boot_mem_map;
86
87extern void add_memory_region(phys_t start, phys_t size, long type);
88
89extern void prom_init(void);
90extern void prom_free_prom_memory(void);
91
92extern void free_init_pages(const char *what,
93			    unsigned long begin, unsigned long end);
94
95/*
96 * Initial kernel command line, usually setup by prom_init()
97 */
98extern char arcs_cmdline[CL_SIZE];
99
100/*
101 * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
102 */
103extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
104
105/*
106 * Platform memory detection hook called by setup_arch
107 */
108extern void plat_mem_setup(void);
109
110#endif /* _ASM_BOOTINFO_H */
111