arch/mips/include/asm/bootinfo.h

   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
  62 extern char *system_type;
  63 const char *get_system_type(void);
  64
  65 extern 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  */
  76 struct 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
  85 extern struct boot_mem_map boot_mem_map;
  86
  87 extern void add_memory_region(phys_t start, phys_t size, long type);
  88
  89 extern void prom_init(void);
  90 extern void prom_free_prom_memory(void);
  91
  92 extern 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  */
  98 extern char arcs_cmdline[CL_SIZE];
  99
 100 /*
 101  * Registers a0, a1, a3 and a4 as passed to the kernel entry by firmware
 102  */
 103 extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
 104
 105 /*
 106  * Platform memory detection hook called by setup_arch
 107  */
 108 extern void plat_mem_setup(void);
 109
 110 #endif /* _ASM_BOOTINFO_H */