2 * This file is part of the libpayload project.
4 * Copyright (C) 2008 Advanced Micro Devices, Inc.
6 * SPDX-License-Identifier: BSD-3-Clause
9 #ifndef _COREBOOT_TABLES_H
10 #define _COREBOOT_TABLES_H
33 #define CB_TAG_UNUSED 0x0000
34 #define CB_TAG_MEMORY 0x0001
36 struct cb_memory_range {
37 struct cbuint64 start;
43 #define CB_MEM_RESERVED 2
46 #define CB_MEM_UNUSABLE 5
47 #define CB_MEM_VENDOR_RSVD 6
48 #define CB_MEM_TABLE 16
53 struct cb_memory_range map[0];
56 #define CB_TAG_HWRPB 0x0002
64 #define CB_TAG_MAINBOARD 0x0003
74 #define CB_TAG_VERSION 0x0004
75 #define CB_TAG_EXTRA_VERSION 0x0005
76 #define CB_TAG_BUILD 0x0006
77 #define CB_TAG_COMPILE_TIME 0x0007
78 #define CB_TAG_COMPILE_BY 0x0008
79 #define CB_TAG_COMPILE_HOST 0x0009
80 #define CB_TAG_COMPILE_DOMAIN 0x000a
81 #define CB_TAG_COMPILER 0x000b
82 #define CB_TAG_LINKER 0x000c
83 #define CB_TAG_ASSEMBLER 0x000d
91 #define CB_TAG_SERIAL 0x000f
96 #define CB_SERIAL_TYPE_IO_MAPPED 1
97 #define CB_SERIAL_TYPE_MEMORY_MAPPED 2
103 #define CB_TAG_CONSOLE 0x00010
111 #define CB_TAG_CONSOLE_SERIAL8250 0
112 #define CB_TAG_CONSOLE_VGA 1 /* OBSOLETE */
113 #define CB_TAG_CONSOLE_BTEXT 2 /* OBSOLETE */
114 #define CB_TAG_CONSOLE_LOGBUF 3
115 #define CB_TAG_CONSOLE_SROM 4 /* OBSOLETE */
116 #define CB_TAG_CONSOLE_EHCI 5
118 #define CB_TAG_FORWARD 0x00011
126 #define CB_TAG_FRAMEBUFFER 0x0012
127 struct cb_framebuffer {
131 u64 physical_address;
142 u8 reserved_mask_pos;
143 u8 reserved_mask_size;
146 #define CB_TAG_GPIO 0x0013
147 #define GPIO_MAX_NAME_LENGTH 16
152 u8 name[GPIO_MAX_NAME_LENGTH];
160 struct cb_gpio gpios[0];
163 #define CB_TAG_FDT 0x0014
166 uint32_t size; /* size of the entire entry */
167 /* the actual FDT gets placed here */
170 #define CB_TAG_VDAT 0x0015
173 uint32_t size; /* size of the entire entry */
178 #define CB_TAG_TIMESTAMPS 0x0016
179 #define CB_TAG_CBMEM_CONSOLE 0x0017
180 #define CB_TAG_MRC_CACHE 0x0018
181 struct cb_cbmem_tab {
187 #define CB_TAG_VBNV 0x0019
195 #define CB_TAG_CMOS_OPTION_TABLE 0x00c8
196 struct cb_cmos_option_table {
202 #define CB_TAG_OPTION 0x00c9
203 #define CMOS_MAX_NAME_LENGTH 32
204 struct cb_cmos_entries {
211 u8 name[CMOS_MAX_NAME_LENGTH];
215 #define CB_TAG_OPTION_ENUM 0x00ca
216 #define CMOS_MAX_TEXT_LENGTH 32
217 struct cb_cmos_enums {
222 u8 text[CMOS_MAX_TEXT_LENGTH];
225 #define CB_TAG_OPTION_DEFAULTS 0x00cb
226 #define CMOS_IMAGE_BUFFER_SIZE 128
227 struct cb_cmos_defaults {
231 u8 name[CMOS_MAX_NAME_LENGTH];
232 u8 default_set[CMOS_IMAGE_BUFFER_SIZE];
235 #define CB_TAG_OPTION_CHECKSUM 0x00cc
236 #define CHECKSUM_NONE 0
237 #define CHECKSUM_PCBIOS 1
238 struct cb_cmos_checksum {
249 #define MEM_RANGE_COUNT(_rec) \
250 (((_rec)->size - sizeof(*(_rec))) / sizeof((_rec)->map[0]))
252 #define MEM_RANGE_PTR(_rec, _idx) \
253 (((u8 *) (_rec)) + sizeof(*(_rec)) \
254 + (sizeof((_rec)->map[0]) * (_idx)))
256 #define MB_VENDOR_STRING(_mb) \
257 (((unsigned char *) ((_mb)->strings)) + (_mb)->vendor_idx)
259 #define MB_PART_STRING(_mb) \
260 (((unsigned char *) ((_mb)->strings)) + (_mb)->part_number_idx)
262 #define UNPACK_CB64(_in) \
263 ((((u64) _in.hi) << 32) | _in.lo)
267 int get_coreboot_info(struct sysinfo_t *info);
269 #define CBMEM_TOC_RESERVED 512
270 #define MAX_CBMEM_ENTRIES 16
271 #define CBMEM_MAGIC 0x434f5245
280 #define CBMEM_ID_FREESPACE 0x46524545
281 #define CBMEM_ID_GDT 0x4c474454
282 #define CBMEM_ID_ACPI 0x41435049
283 #define CBMEM_ID_CBTABLE 0x43425442
284 #define CBMEM_ID_PIRQ 0x49525154
285 #define CBMEM_ID_MPTABLE 0x534d5054
286 #define CBMEM_ID_RESUME 0x5245534d
287 #define CBMEM_ID_RESUME_SCRATCH 0x52455343
288 #define CBMEM_ID_SMBIOS 0x534d4254
289 #define CBMEM_ID_TIMESTAMP 0x54494d45
290 #define CBMEM_ID_MRCDATA 0x4d524344
291 #define CBMEM_ID_CONSOLE 0x434f4e53
292 #define CBMEM_ID_NONE 0x00000000