summaryrefslogtreecommitdiffstats
path: root/payloads/libpayload/include/sysinfo.h
blob: 4b929f1390ea10bfc9868469c74c5fc1f854d902 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
 * This file is part of the libpayload project.
 *
 * Copyright (C) 2008 Advanced Micro Devices, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _SYSINFO_H
#define _SYSINFO_H

/* Maximum number of memory range definitions. */
#define SYSINFO_MAX_MEM_RANGES 32
/* Allow a maximum of 8 GPIOs */
#define SYSINFO_MAX_GPIOS 8

/* Up to 10 MAC addresses */
#define SYSINFO_MAX_MACS 10

#include <coreboot_tables.h>

struct cb_serial;

/*
 * All pointers in here shall be virtual.
 *
 * If a relocation happens after the last call to lib_get_sysinfo(),
 * it is up to the user to call lib_get_sysinfo() again.
 */
struct sysinfo_t {
	unsigned int cpu_khz;
	struct cb_serial *serial;
	unsigned short ser_ioport;
	unsigned long ser_base; // for mmapped serial

	int n_memranges;

	struct memrange {
		unsigned long long base;
		unsigned long long size;
		unsigned int type;
	} memrange[SYSINFO_MAX_MEM_RANGES];

	struct cb_cmos_option_table *option_table;
	u32 cmos_range_start;
	u32 cmos_range_end;
	u32 cmos_checksum_location;
	u32 vbnv_start;
	u32 vbnv_size;

	char *version;
	char *extra_version;
	char *build;
	char *compile_time;
	char *compile_by;
	char *compile_host;
	char *compile_domain;
	char *compiler;
	char *linker;
	char *assembler;

	char *cb_version;

	struct cb_framebuffer *framebuffer;

	int num_gpios;
	struct cb_gpio gpios[SYSINFO_MAX_GPIOS];
	int num_macs;
	struct mac_address macs[SYSINFO_MAX_MACS];
	char *serialno;

	unsigned long *mbtable; /** Pointer to the multiboot table */

	struct cb_header *header;
	struct cb_mainboard *mainboard;

	void *vboot_workbuf;

#if CONFIG(LP_ARCH_X86)
	int x86_rom_var_mtrr_index;
#endif

	void		*tstamp_table;
	void		*cbmem_cons;
	void		*mrc_cache;
	void		*acpi_gnvs;

#define UNDEFINED_STRAPPING_ID (~0)
	u32		board_id;
	u32		ram_code;
	u32		sku_id;

	void		*wifi_calibration;
	uint64_t	ramoops_buffer;
	uint32_t	ramoops_buffer_size;
	struct {
		uint32_t size;
		uint32_t sector_size;
		uint32_t erase_cmd;
	} spi_flash;
	uint64_t fmap_offset;
	uint64_t cbfs_offset;
	uint64_t cbfs_size;
	uint64_t boot_media_size;
	uint64_t mtc_start;
	uint32_t mtc_size;
	void	*chromeos_vpd;
	int	mmc_early_wake_status;

	/* Pointer to FMAP cache in CBMEM */
	void	*fmap_cache;
};

extern struct sysinfo_t lib_sysinfo;

/*
 * Check if this is an architecture specific coreboot table record and process
 * it, if it is. Return 1 if record type was recognized, 0 otherwise.
 */
int cb_parse_arch_specific(struct cb_record *rec, struct sysinfo_t *info);

/*
 * Check if the region in range addr..addr+len contains a 16 byte aligned
 * coreboot table. If it does - process the table filling up the sysinfo
 * structure with information from the table. Return 0 on success and -1 on
 * failure.
 */
int cb_parse_header(void *addr, int len, struct sysinfo_t *info);

#endif