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 * Copyright (C) 2009 Zhang Le 11 */ 12 #ifndef _ASM_BOOTINFO_H 13 #define _ASM_BOOTINFO_H 14 15 #include <linux/types.h> 16 #include <asm/setup.h> 17 18 /* 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. 22 */ 23 24 /* 25 * Valid machtype values for group unknown 26 */ 27 #define MACH_UNKNOWN 0 /* whatever... */ 28 29 /* 30 * Valid machtype for group DEC 31 */ 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 44 /* 45 * Valid machtype for group PMC-MSP 46 */ 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 */ 54 55 /* 56 * Valid machtype for group Mikrotik 57 */ 58 #define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */ 59 #define MACH_MIKROTIK_RB532A 1 /* Mikrotik RouterBoard 532A */ 60 61 /* 62 * Valid machtype for Loongson family 63 */ 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, 73 MACH_LOONGSON_GENERIC, 74 MACH_LOONGSON_END 75 }; 76 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 83 extern char *system_type; 84 const char *get_system_type(void); 85 86 extern unsigned long mips_machtype; 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 92 #define BOOT_MEM_INIT_RAM 4 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 { 101 phys_addr_t addr; /* start of memory segment */ 102 phys_addr_t size; /* size of memory segment */ 103 long type; /* type of memory segment */ 104 } map[BOOT_MEM_MAP_MAX]; 105 }; 106 107 extern struct boot_mem_map boot_mem_map; 108 109 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); 111 112 extern void prom_init(void); 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); 117 118 extern void (*free_init_pages_eva)(void *begin, void *end); 119 120 /* 121 * Initial kernel command line, usually setup by prom_init() 122 */ 123 extern char arcs_cmdline[COMMAND_LINE_SIZE]; 124 125 /* 126 * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware 127 */ 128 extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3; 129 130 /* 131 * Platform memory detection hook called by setup_arch 132 */ 133 extern void plat_mem_setup(void); 134 135 #ifdef CONFIG_SWIOTLB 136 /* 137 * Optional platform hook to call swiotlb_setup(). 138 */ 139 extern void plat_swiotlb_setup(void); 140 141 #else 142 143 static inline void plat_swiotlb_setup(void) {} 144 145 #endif /* CONFIG_SWIOTLB */ 146 147 #endif /* _ASM_BOOTINFO_H */ 148