xref: /openbmc/linux/arch/mips/include/asm/bootinfo.h (revision 9ac8d3fb)
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 */
111