LXR uboot/tools/ifdtool.h

   1/*
   2 * ifdtool - Manage Intel Firmware Descriptor information
   3 *
   4 * Copyright (C) 2011 The ChromiumOS Authors.
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0
   7 *
   8 * From Coreboot project
   9 */
  10
  11#include <stdint.h>
  12
  13#define __packed        __attribute__((packed))
  14
  15#define IFDTOOL_VERSION "1.1-U-Boot"
  16
  17#define WRITE_MAX       16
  18
  19enum spi_frequency {
  20        SPI_FREQUENCY_20MHZ = 0,
  21        SPI_FREQUENCY_33MHZ = 1,
  22        SPI_FREQUENCY_50MHZ = 4,
  23};
  24
  25enum component_density {
  26        COMPONENT_DENSITY_512KB = 0,
  27        COMPONENT_DENSITY_1MB   = 1,
  28        COMPONENT_DENSITY_2MB   = 2,
  29        COMPONENT_DENSITY_4MB   = 3,
  30        COMPONENT_DENSITY_8MB   = 4,
  31        COMPONENT_DENSITY_16MB  = 5,
  32};
  33
  34/* flash descriptor */
  35struct __packed fdbar_t {
  36        uint32_t flvalsig;
  37        uint32_t flmap0;
  38        uint32_t flmap1;
  39        uint32_t flmap2;
  40        uint8_t  reserved[0xefc - 0x20];
  41        uint32_t flumap1;
  42};
  43
  44#define MAX_REGIONS     5
  45
  46/* regions */
  47struct __packed frba_t {
  48        uint32_t flreg[MAX_REGIONS];
  49};
  50
  51/* component section */
  52struct __packed fcba_t {
  53        uint32_t flcomp;
  54        uint32_t flill;
  55        uint32_t flpb;
  56};
  57
  58#define MAX_STRAPS      18
  59
  60/* pch strap */
  61struct __packed fpsba_t {
  62        uint32_t pchstrp[MAX_STRAPS];
  63};
  64
  65/* master */
  66struct __packed fmba_t {
  67        uint32_t flmstr1;
  68        uint32_t flmstr2;
  69        uint32_t flmstr3;
  70};
  71
  72/* processor strap */
  73struct __packed fmsba_t {
  74        uint32_t data[8];
  75};
  76
  77/* ME VSCC */
  78struct vscc_t {
  79        uint32_t jid;
  80        uint32_t vscc;
  81};
  82
  83struct vtba_t {
  84        /* Actual number of entries specified in vtl */
  85        struct vscc_t entry[8];
  86};
  87
  88struct region_t {
  89        int base, limit, size;
  90};
  91