util/ifdtool/ifdtool.h

   1 /*
   2  * ifdtool - dump Intel Firmware Descriptor information
   3  *
   4  * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
  18  */
  19
  20 #include <stdint.h>
  21 #define IFDTOOL_VERSION "1.0"
  22
  23 enum spi_frequency {
  24         SPI_FREQUENCY_20MHZ = 0,
  25         SPI_FREQUENCY_33MHZ = 1,
  26         SPI_FREQUENCY_50MHZ = 4,
  27 };
  28
  29 // flash descriptor
  30 typedef struct {
  31         uint32_t flvalsig;
  32         uint32_t flmap0;
  33         uint32_t flmap1;
  34         uint32_t flmap2;
  35         uint8_t  reserved[0xefc - 0x20];
  36         uint32_t flumap1;
  37 } __attribute__((packed)) fdbar_t;
  38
  39 // regions
  40 typedef struct {
  41         uint32_t flreg0;
  42         uint32_t flreg1;
  43         uint32_t flreg2;
  44         uint32_t flreg3;
  45         uint32_t flreg4;
  46 } __attribute__((packed)) frba_t;
  47
  48 // component section
  49 typedef struct {
  50         uint32_t flcomp;
  51         uint32_t flill;
  52         uint32_t flpb;
  53 } __attribute__((packed)) fcba_t;
  54
  55 // pch strap
  56 typedef struct {
  57         uint32_t pchstrp0;
  58         uint32_t pchstrp1;
  59         uint32_t pchstrp2;
  60         uint32_t pchstrp3;
  61         uint32_t pchstrp4;
  62         uint32_t pchstrp5;
  63         uint32_t pchstrp6;
  64         uint32_t pchstrp7;
  65         uint32_t pchstrp8;
  66         uint32_t pchstrp9;
  67         uint32_t pchstrp10;
  68         uint32_t pchstrp11;
  69         uint32_t pchstrp12;
  70         uint32_t pchstrp13;
  71         uint32_t pchstrp14;
  72         uint32_t pchstrp15;
  73 } __attribute__((packed)) fpsba_t;
  74
  75 // master
  76 typedef struct {
  77         uint32_t flmstr1;
  78         uint32_t flmstr2;
  79         uint32_t flmstr3;
  80 } __attribute__((packed)) fmba_t;
  81
  82 // processor strap
  83 typedef struct {
  84         uint32_t data[8];
  85 } __attribute__((packed)) fmsba_t;
  86
  87