sched: make early bootup sched_clock() use safer
[wrt350n-kernel.git] / include / asm-mips / bootinfo.h
blobe031bdff9920b81c54dde6afa52d743f229cbc14
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.
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.
11 #ifndef _ASM_BOOTINFO_H
12 #define _ASM_BOOTINFO_H
14 #include <linux/types.h>
15 #include <asm/setup.h>
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.
24 * Valid machtype values for group unknown
26 #define MACH_UNKNOWN 0 /* whatever... */
29 * Valid machtype values for group JAZZ
31 #define MACH_ACER_PICA_61 0 /* Acer PICA-61 (PICA1) */
32 #define MACH_MIPS_MAGNUM_4000 1 /* Mips Magnum 4000 "RC4030" */
33 #define MACH_OLIVETTI_M700 2 /* Olivetti M700-10 (-15 ??) */
36 * Valid machtype for group DEC
38 #define MACH_DSUNKNOWN 0
39 #define MACH_DS23100 1 /* DECstation 2100 or 3100 */
40 #define MACH_DS5100 2 /* DECsystem 5100 */
41 #define MACH_DS5000_200 3 /* DECstation 5000/200 */
42 #define MACH_DS5000_1XX 4 /* DECstation 5000/120, 125, 133, 150 */
43 #define MACH_DS5000_XX 5 /* DECstation 5000/20, 25, 33, 50 */
44 #define MACH_DS5000_2X0 6 /* DECstation 5000/240, 260 */
45 #define MACH_DS5400 7 /* DECsystem 5400 */
46 #define MACH_DS5500 8 /* DECsystem 5500 */
47 #define MACH_DS5800 9 /* DECsystem 5800 */
48 #define MACH_DS5900 10 /* DECsystem 5900 */
51 * Valid machtype for group SNI_RM
53 #define MACH_SNI_RM200_PCI 0 /* RM200/RM300/RM400 PCI series */
56 * Valid machtype for group SGI
58 #define MACH_SGI_IP22 0 /* Indy, Indigo2, Challenge S */
59 #define MACH_SGI_IP27 1 /* Origin 200, Origin 2000, Onyx 2 */
60 #define MACH_SGI_IP28 2 /* Indigo2 Impact */
61 #define MACH_SGI_IP32 3 /* O2 */
62 #define MACH_SGI_IP30 4 /* Octane, Octane2 */
65 * Valid machtypes for group Toshiba
67 #define MACH_PALLAS 0
68 #define MACH_TOPAS 1
69 #define MACH_JMR 2
70 #define MACH_TOSHIBA_JMR3927 3 /* JMR-TX3927 CPU/IO board */
71 #define MACH_TOSHIBA_RBTX4927 4
72 #define MACH_TOSHIBA_RBTX4937 5
73 #define MACH_TOSHIBA_RBTX4938 6
76 * Valid machtype for group LASAT
78 #define MACH_LASAT_100 0 /* Masquerade II/SP100/SP50/SP25 */
79 #define MACH_LASAT_200 1 /* Masquerade PRO/SP200 */
82 * Valid machtype for group NEC EMMA2RH
84 #define MACH_NEC_MARKEINS 0 /* NEC EMMA2RH Mark-eins */
87 * Valid machtype for group PMC-MSP
89 #define MACH_MSP4200_EVAL 0 /* PMC-Sierra MSP4200 Evaluation */
90 #define MACH_MSP4200_GW 1 /* PMC-Sierra MSP4200 Gateway demo */
91 #define MACH_MSP4200_FPGA 2 /* PMC-Sierra MSP4200 Emulation */
92 #define MACH_MSP7120_EVAL 3 /* PMC-Sierra MSP7120 Evaluation */
93 #define MACH_MSP7120_GW 4 /* PMC-Sierra MSP7120 Residential GW */
94 #define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
95 #define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */
97 #define CL_SIZE COMMAND_LINE_SIZE
99 extern char *system_type;
100 const char *get_system_type(void);
102 extern unsigned long mips_machtype;
104 #define BOOT_MEM_MAP_MAX 32
105 #define BOOT_MEM_RAM 1
106 #define BOOT_MEM_ROM_DATA 2
107 #define BOOT_MEM_RESERVED 3
110 * A memory map that's built upon what was determined
111 * or specified on the command line.
113 struct boot_mem_map {
114 int nr_map;
115 struct boot_mem_map_entry {
116 phys_t addr; /* start of memory segment */
117 phys_t size; /* size of memory segment */
118 long type; /* type of memory segment */
119 } map[BOOT_MEM_MAP_MAX];
122 extern struct boot_mem_map boot_mem_map;
124 extern void add_memory_region(phys_t start, phys_t size, long type);
126 extern void prom_init(void);
127 extern void prom_free_prom_memory(void);
129 extern void free_init_pages(const char *what,
130 unsigned long begin, unsigned long end);
133 * Initial kernel command line, usually setup by prom_init()
135 extern char arcs_cmdline[CL_SIZE];
138 * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
140 extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
143 * Platform memory detection hook called by setup_arch
145 extern void plat_mem_setup(void);
147 #endif /* _ASM_BOOTINFO_H */