payloads/libpayload/include/coreboot_tables.h

   1 /*
   2  * This file is part of the libpayload project.
   3  *
   4  * Copyright (C) 2008 Advanced Micro Devices, Inc.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef _COREBOOT_TABLES_H
  31 #define _COREBOOT_TABLES_H
  32
  33 #include <arch/types.h>
  34
  35 struct cbuint64 {
  36         u32 lo;
  37         u32 hi;
  38 };
  39
  40 struct cb_header {
  41         u8 signature[4];
  42         u32 header_bytes;
  43         u32 header_checksum;
  44         u32 table_bytes;
  45         u32 table_checksum;
  46         u32 table_entries;
  47 };
  48
  49 struct cb_record {
  50         u32 tag;
  51         u32 size;
  52 };
  53
  54 #define CB_TAG_UNUSED     0x0000
  55 #define CB_TAG_MEMORY     0x0001
  56
  57 struct cb_memory_range {
  58         struct cbuint64 start;
  59         struct cbuint64 size;
  60         u32 type;
  61 };
  62
  63 #define CB_MEM_RAM      1
  64 #define CB_MEM_RESERVED 2
  65 #define CB_MEM_TABLE    16
  66
  67 struct cb_memory {
  68         u32 tag;
  69         u32 size;
  70         struct cb_memory_range map[0];
  71 };
  72
  73 #define CB_TAG_HWRPB      0x0002
  74
  75 struct cb_hwrpb {
  76         u32 tag;
  77         u32 size;
  78         u64 hwrpb;
  79 };
  80
  81 #define CB_TAG_MAINBOARD  0x0003
  82
  83 struct cb_mainboard {
  84         u32 tag;
  85         u32 size;
  86         u8 vendor_idx;
  87         u8 part_number_idx;
  88         u8 strings[0];
  89 };
  90
  91 #define CB_TAG_VERSION        0x0004
  92 #define CB_TAG_EXTRA_VERSION  0x0005
  93 #define CB_TAG_BUILD          0x0006
  94 #define CB_TAG_COMPILE_TIME   0x0007
  95 #define CB_TAG_COMPILE_BY     0x0008
  96 #define CB_TAG_COMPILE_HOST   0x0009
  97 #define CB_TAG_COMPILE_DOMAIN 0x000a
  98 #define CB_TAG_COMPILER       0x000b
  99 #define CB_TAG_LINKER         0x000c
 100 #define CB_TAG_ASSEMBLER      0x000d
 101
 102 struct cb_string {
 103         u32 tag;
 104         u32 size;
 105         u8 string[0];
 106 };
 107
 108 #define CB_TAG_SERIAL         0x000f
 109
 110 struct cb_serial {
 111         u32 tag;
 112         u32 size;
 113         u16 ioport;
 114 };
 115
 116 #define CB_TAG_CONSOLE       0x00010
 117
 118 struct cb_console {
 119         u32 tag;
 120         u32 size;
 121         u16 type;
 122 };
 123
 124 #define CB_TAG_CONSOLE_SERIAL8250 0
 125 #define CB_TAG_CONSOLE_VGA        1 // OBSOLETE
 126 #define CB_TAG_CONSOLE_BTEXT      2 // OBSOLETE
 127 #define CB_TAG_CONSOLE_LOGBUF     3
 128 #define CB_TAG_CONSOLE_SROM       4 // OBSOLETE
 129 #define CB_TAG_CONSOLE_EHCI       5
 130
 131 #define CB_TAG_FORWARD       0x00011
 132
 133 struct cb_forward {
 134         u32 tag;
 135         u32 size;
 136         u64 forward;
 137 };
 138
 139 #define CB_TAG_FRAMEBUFFER      0x0012
 140 struct cb_framebuffer {
 141         u32 tag;
 142         u32 size;
 143
 144         u64 physical_address;
 145         u32 x_resolution;
 146         u32 y_resolution;
 147         u32 bytes_per_line;
 148         u8 bits_per_pixel;
 149         u8 red_mask_pos;
 150         u8 red_mask_size;
 151         u8 green_mask_pos;
 152         u8 green_mask_size;
 153         u8 blue_mask_pos;
 154         u8 blue_mask_size;
 155         u8 reserved_mask_pos;
 156         u8 reserved_mask_size;
 157 };
 158
 159 #define CB_TAG_CMOS_OPTION_TABLE 0x00c8
 160 struct cb_cmos_option_table {
 161         u32 tag;
 162         u32 size;
 163         u32 header_length;
 164 };
 165
 166 #define CB_TAG_OPTION         0x00c9
 167 #define CMOS_MAX_NAME_LENGTH    32
 168 struct cb_cmos_entries {
 169         u32 tag;
 170         u32 size;
 171         u32 bit;
 172         u32 length;
 173         u32 config;
 174         u32 config_id;
 175         u8 name[CMOS_MAX_NAME_LENGTH];
 176 };
 177
 178
 179 #define CB_TAG_OPTION_ENUM    0x00ca
 180 #define CMOS_MAX_TEXT_LENGTH 32
 181 struct cb_cmos_enums {
 182         u32 tag;
 183         u32 size;
 184         u32 config_id;
 185         u32 value;
 186         u8 text[CMOS_MAX_TEXT_LENGTH];
 187 };
 188
 189 #define CB_TAG_OPTION_DEFAULTS 0x00cb
 190 #define CMOS_IMAGE_BUFFER_SIZE 128
 191 struct cb_cmos_defaults {
 192         u32 tag;
 193         u32 size;
 194         u32 name_length;
 195         u8 name[CMOS_MAX_NAME_LENGTH];
 196         u8 default_set[CMOS_IMAGE_BUFFER_SIZE];
 197 };
 198
 199 #define CB_TAG_OPTION_CHECKSUM 0x00cc
 200 #define CHECKSUM_NONE   0
 201 #define CHECKSUM_PCBIOS 1
 202 struct  cb_cmos_checksum {
 203         u32 tag;
 204         u32 size;
 205         u32 range_start;
 206         u32 range_end;
 207         u32 location;
 208         u32 type;
 209 };
 210
 211 /* Helpful macros */
 212
 213 #define MEM_RANGE_COUNT(_rec) \
 214         (((_rec)->size - sizeof(*(_rec))) / sizeof((_rec)->map[0]))
 215
 216 #define MEM_RANGE_PTR(_rec, _idx) \
 217         (((u8 *) (_rec)) + sizeof(*(_rec)) \
 218         + (sizeof((_rec)->map[0]) * (_idx)))
 219
 220 #define MB_VENDOR_STRING(_mb) \
 221         (((unsigned char *) ((_mb)->strings)) + (_mb)->vendor_idx)
 222
 223 #define MB_PART_STRING(_mb) \
 224         (((unsigned char *) ((_mb)->strings)) + (_mb)->part_number_idx)
 225
 226 #define UNPACK_CB64(_in) \
 227         ( (((u64) _in.hi) << 32) | _in.lo )
 228
 229 #endif