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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... */ |
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 */ |
59 | #define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */ | |
73b4390f | 60 | |
3209e70e WZ |
61 | /* |
62 | * Valid machtype for Loongson family | |
63 | */ | |
5f6d693e HC |
64 | enum loongson_machine_type { |
65 | MACH_LOONGSON_UNKNOWN, | |
66 | MACH_LEMOTE_FL2E, | |
67 | MACH_LEMOTE_FL2F, | |
68 | MACH_LEMOTE_ML2F7, | |
69 | MACH_LEMOTE_YL2F89, | |
70 | MACH_DEXXON_GDIUM2F10, | |
71 | MACH_LEMOTE_NAS, | |
72 | MACH_LEMOTE_LL2F, | |
3adeb256 | 73 | MACH_LOONGSON_GENERIC, |
5f6d693e HC |
74 | MACH_LOONGSON_END |
75 | }; | |
3209e70e | 76 | |
83ccf69d LPC |
77 | /* |
78 | * Valid machtype for group INGENIC | |
79 | */ | |
80 | #define MACH_INGENIC_JZ4730 0 /* JZ4730 SOC */ | |
81 | #define MACH_INGENIC_JZ4740 1 /* JZ4740 SOC */ | |
82 | ||
231a35d3 | 83 | extern char *system_type; |
1da177e4 LT |
84 | const char *get_system_type(void); |
85 | ||
86 | extern unsigned long mips_machtype; | |
1da177e4 LT |
87 | |
88 | #define BOOT_MEM_MAP_MAX 32 | |
89 | #define BOOT_MEM_RAM 1 | |
90 | #define BOOT_MEM_ROM_DATA 2 | |
91 | #define BOOT_MEM_RESERVED 3 | |
43064c0c | 92 | #define BOOT_MEM_INIT_RAM 4 |
1da177e4 LT |
93 | |
94 | /* | |
95 | * A memory map that's built upon what was determined | |
96 | * or specified on the command line. | |
97 | */ | |
98 | struct boot_mem_map { | |
99 | int nr_map; | |
100 | struct boot_mem_map_entry { | |
15d45cce RB |
101 | phys_addr_t addr; /* start of memory segment */ |
102 | phys_addr_t size; /* size of memory segment */ | |
1da177e4 LT |
103 | long type; /* type of memory segment */ |
104 | } map[BOOT_MEM_MAP_MAX]; | |
105 | }; | |
106 | ||
107 | extern struct boot_mem_map boot_mem_map; | |
108 | ||
15d45cce RB |
109 | extern void add_memory_region(phys_addr_t start, phys_addr_t size, long type); |
110 | extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min, phys_addr_t sz_max); | |
1da177e4 LT |
111 | |
112 | extern void prom_init(void); | |
c44e8d5e AN |
113 | extern void prom_free_prom_memory(void); |
114 | ||
115 | extern void free_init_pages(const char *what, | |
116 | unsigned long begin, unsigned long end); | |
1da177e4 | 117 | |
0893d3fb MC |
118 | extern void (*free_init_pages_eva)(void *begin, void *end); |
119 | ||
1da177e4 LT |
120 | /* |
121 | * Initial kernel command line, usually setup by prom_init() | |
122 | */ | |
7580c9c3 | 123 | extern char arcs_cmdline[COMMAND_LINE_SIZE]; |
1da177e4 LT |
124 | |
125 | /* | |
beb7dd86 | 126 | * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware |
1da177e4 LT |
127 | */ |
128 | extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3; | |
2925aba4 | 129 | |
15f37e15 JG |
130 | #ifdef CONFIG_USE_OF |
131 | extern unsigned long fw_passed_dtb; | |
132 | #endif | |
133 | ||
2925aba4 RB |
134 | /* |
135 | * Platform memory detection hook called by setup_arch | |
136 | */ | |
137 | extern void plat_mem_setup(void); | |
138 | ||
ee71b7d2 DD |
139 | #ifdef CONFIG_SWIOTLB |
140 | /* | |
141 | * Optional platform hook to call swiotlb_setup(). | |
142 | */ | |
143 | extern void plat_swiotlb_setup(void); | |
144 | ||
145 | #else | |
146 | ||
147 | static inline void plat_swiotlb_setup(void) {} | |
148 | ||
149 | #endif /* CONFIG_SWIOTLB */ | |
150 | ||
5e7c1c91 MR |
151 | #ifdef CONFIG_USE_OF |
152 | /** | |
153 | * plat_get_fdt() - Return a pointer to the platform's device tree blob | |
154 | * | |
155 | * This function provides a platform independent API to get a pointer to the | |
156 | * flattened device tree blob. The interface between bootloader and kernel | |
157 | * is not consistent across platforms so it is necessary to provide this | |
158 | * API such that common startup code can locate the FDT. | |
159 | * | |
160 | * This is used by the KASLR code to get command line arguments and random | |
161 | * seed from the device tree. Any platform wishing to use KASLR should | |
162 | * provide this API and select SYS_SUPPORTS_RELOCATABLE. | |
163 | * | |
164 | * Return: Pointer to the flattened device tree blob. | |
165 | */ | |
166 | extern void *plat_get_fdt(void); | |
167 | #endif /* CONFIG_USE_OF */ | |
168 | ||
1da177e4 | 169 | #endif /* _ASM_BOOTINFO_H */ |