/* * ifdtool - dump Intel Firmware Descriptor information * * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc. */ #include <stdint.h> #define IFDTOOL_VERSION "1.2" enum ifd_version { IFD_VERSION_1, IFD_VERSION_2, }; #define LAYOUT_LINELEN 80 enum spi_frequency { SPI_FREQUENCY_20MHZ = 0, SPI_FREQUENCY_33MHZ = 1, SPI_FREQUENCY_48MHZ = 2, SPI_FREQUENCY_50MHZ_30MHZ = 4, SPI_FREQUENCY_17MHZ = 6, }; enum component_density { COMPONENT_DENSITY_512KB = 0, COMPONENT_DENSITY_1MB = 1, COMPONENT_DENSITY_2MB = 2, COMPONENT_DENSITY_4MB = 3, COMPONENT_DENSITY_8MB = 4, COMPONENT_DENSITY_16MB = 5, COMPONENT_DENSITY_32MB = 6, COMPONENT_DENSITY_64MB = 7, COMPONENT_DENSITY_UNUSED = 0xf }; // flash descriptor typedef struct { uint32_t flvalsig; uint32_t flmap0; uint32_t flmap1; uint32_t flmap2; uint8_t reserved[0xefc - 0x20]; uint32_t flumap1; } __attribute__((packed)) fdbar_t; // regions #define MAX_REGIONS 9 #define MAX_REGIONS_OLD 5 typedef struct { uint32_t flreg0; uint32_t flreg1; uint32_t flreg2; uint32_t flreg3; uint32_t flreg4; uint32_t flreg5; uint32_t flreg6; uint32_t flreg7; uint32_t flreg8; } __attribute__((packed)) frba_t; // component section typedef struct { uint32_t flcomp; uint32_t flill; uint32_t flpb; } __attribute__((packed)) fcba_t; // pch strap typedef struct { uint32_t pchstrp0; uint32_t pchstrp1; uint32_t pchstrp2; uint32_t pchstrp3; uint32_t pchstrp4; uint32_t pchstrp5; uint32_t pchstrp6; uint32_t pchstrp7; uint32_t pchstrp8; uint32_t pchstrp9; uint32_t pchstrp10; uint32_t pchstrp11; uint32_t pchstrp12; uint32_t pchstrp13; uint32_t pchstrp14; uint32_t pchstrp15; uint32_t pchstrp16; uint32_t pchstrp17; } __attribute__((packed)) fpsba_t; /* * WR / RD bits start at different locations within the flmstr regs, but * otherwise have identical meaning. */ #define FLMSTR_WR_SHIFT_V1 24 #define FLMSTR_WR_SHIFT_V2 20 #define FLMSTR_RD_SHIFT_V1 16 #define FLMSTR_RD_SHIFT_V2 8 // master typedef struct { uint32_t flmstr1; uint32_t flmstr2; uint32_t flmstr3; uint32_t flmstr4; uint32_t flmstr5; } __attribute__((packed)) fmba_t; // processor strap typedef struct { uint32_t data[8]; } __attribute__((packed)) fmsba_t; // ME VSCC typedef struct { uint32_t jid; uint32_t vscc; } vscc_t; typedef struct { // Actual number of entries specified in vtl vscc_t entry[8]; } vtba_t; typedef struct { int base, limit, size; } region_t; struct region_name { char *pretty; char *terse; };