Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 values for group JAZZ
30 */
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 ??) */
34
35/*
36 * Valid machtype for group DEC
37 */
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 */
49
50/*
51 * Valid machtype for group SNI_RM
52 */
53#define MACH_SNI_RM200_PCI 0 /* RM200/RM300/RM400 PCI series */
54
55/*
56 * Valid machtype for group SGI
57 */
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 */
63
64/*
65 * Valid machtypes for group Toshiba
66 */
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
74
75/*
76 * Valid machtype for group LASAT
77 */
78#define MACH_LASAT_100 0 /* Masquerade II/SP100/SP50/SP25 */
79#define MACH_LASAT_200 1 /* Masquerade PRO/SP200 */
80
81/*
82 * Valid machtype for group NEC EMMA2RH
83 */
84#define MACH_NEC_MARKEINS 0 /* NEC EMMA2RH Mark-eins */
85
86/*
87 * Valid machtype for group PMC-MSP
88 */
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 */
96
97#define CL_SIZE COMMAND_LINE_SIZE
98
99extern char *system_type;
100const char *get_system_type(void);
101
102extern unsigned long mips_machtype;
103
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
108
109/*
110 * A memory map that's built upon what was determined
111 * or specified on the command line.
112 */
113struct 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];
120};
121
122extern struct boot_mem_map boot_mem_map;
123
124extern void add_memory_region(phys_t start, phys_t size, long type);
125
126extern void prom_init(void);
127extern void prom_free_prom_memory(void);
128
129extern void free_init_pages(const char *what,
130 unsigned long begin, unsigned long end);
131
132/*
133 * Initial kernel command line, usually setup by prom_init()
134 */
135extern char arcs_cmdline[CL_SIZE];
136
137/*
138 * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
139 */
140extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
141
142/*
143 * Platform memory detection hook called by setup_arch
144 */
145extern void plat_mem_setup(void);
146
147#endif /* _ASM_BOOTINFO_H */