LXR uboot/tools/ifdtool.h

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