203 lines
4.2 KiB
C
203 lines
4.2 KiB
C
/* ifdtool - dump Intel Firmware Descriptor information */
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <stdint.h>
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#include <stdbool.h>
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#define IFDTOOL_VERSION "1.2"
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enum ifd_version {
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IFD_VERSION_1,
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IFD_VERSION_1_5,
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IFD_VERSION_2,
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};
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/* port from flashrom */
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enum ich_chipset {
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CHIPSET_ICH_UNKNOWN,
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CHIPSET_ICH8,
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CHIPSET_ICH9,
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CHIPSET_ICH10,
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CHIPSET_PCH_UNKNOWN,
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CHIPSET_5_SERIES_IBEX_PEAK,
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CHIPSET_6_SERIES_COUGAR_POINT,
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CHIPSET_7_SERIES_PANTHER_POINT,
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CHIPSET_8_SERIES_LYNX_POINT,
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CHIPSET_BAYTRAIL, /* Actually all with Silvermont architecture:
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* Bay Trail, Avoton/Rangeley
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*/
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CHIPSET_8_SERIES_LYNX_POINT_LP,
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CHIPSET_8_SERIES_WELLSBURG,
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CHIPSET_9_SERIES_WILDCAT_POINT,
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CHIPSET_9_SERIES_WILDCAT_POINT_LP,
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CHIPSET_N_J_SERIES_APOLLO_LAKE, /* Apollo Lake: N3xxx, J3xxx */
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CHIPSET_N_J_SERIES_GEMINI_LAKE, /* Gemini Lake: N5xxx, J5xxx, N4xxx, J4xxx */
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CHIPSET_N_SERIES_JASPER_LAKE, /* Jasper Lake: N6xxx, N51xx, N45xx */
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CHIPSET_x6000_SERIES_ELKHART_LAKE, /* Elkhart Lake: x6000 */
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CHIPSET_100_200_SERIES_SUNRISE_POINT, /* 6th-7th gen Core i/o (LP) variants */
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CHIPSET_300_SERIES_CANNON_POINT, /* 8th-9th gen Core i/o (LP) variants */
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CHIPSET_400_SERIES_ICE_POINT, /* 10th gen Core i/o (LP) variants */
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CHIPSET_500_600_SERIES_TIGER_ALDER_POINT, /* 11th-12th gen Core i/o (LP)
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* variants onwards */
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CHIPSET_C620_SERIES_LEWISBURG,
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CHIPSET_DENVERTON,
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};
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enum platform {
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PLATFORM_APL,
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PLATFORM_CNL,
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PLATFORM_LBG,
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PLATFORM_EHL,
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PLATFORM_GLK,
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PLATFORM_ICL,
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PLATFORM_JSL,
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PLATFORM_SKLKBL,
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PLATFORM_TGL,
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PLATFORM_ADL,
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PLATFORM_IFD2,
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PLATFORM_DNV,
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PLATFORM_MTL,
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PLATFORM_WBG
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};
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#define LAYOUT_LINELEN 80
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enum spi_frequency {
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SPI_FREQUENCY_20MHZ = 0,
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SPI_FREQUENCY_33MHZ = 1,
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SPI_FREQUENCY_48MHZ = 2,
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SPI_FREQUENCY_50MHZ_30MHZ = 4,
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SPI_FREQUENCY_17MHZ = 6,
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};
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enum spi_frequency_500_series {
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SPI_FREQUENCY_100MHZ = 0,
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SPI_FREQUENCY_50MHZ = 1,
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SPI_FREQUENCY_500SERIES_33MHZ = 3,
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SPI_FREQUENCY_25MHZ = 4,
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SPI_FREQUENCY_14MHZ = 6,
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};
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enum espi_frequency {
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ESPI_FREQUENCY_20MHZ = 0,
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ESPI_FREQUENCY_24MHZ = 1,
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ESPI_FREQUENCY_30MHZ = 2,
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ESPI_FREQUENCY_48MHZ = 3,
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ESPI_FREQUENCY_60MHZ = 4,
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ESPI_FREQUENCY_17MHZ = 6,
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};
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enum espi_frequency_500_series {
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ESPI_FREQUENCY_500SERIES_20MHZ = 0,
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ESPI_FREQUENCY_500SERIES_24MHZ = 1,
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ESPI_FREQUENCY_500SERIES_25MHZ = 2,
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ESPI_FREQUENCY_500SERIES_48MHZ = 3,
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ESPI_FREQUENCY_500SERIES_60MHZ = 4,
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};
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enum component_density {
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COMPONENT_DENSITY_512KB = 0,
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COMPONENT_DENSITY_1MB = 1,
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COMPONENT_DENSITY_2MB = 2,
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COMPONENT_DENSITY_4MB = 3,
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COMPONENT_DENSITY_8MB = 4,
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COMPONENT_DENSITY_16MB = 5,
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COMPONENT_DENSITY_32MB = 6,
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COMPONENT_DENSITY_64MB = 7,
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COMPONENT_DENSITY_UNUSED = 0xf
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};
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// flash descriptor
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struct __packed fdbar {
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uint32_t flvalsig;
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uint32_t flmap0;
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uint32_t flmap1;
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uint32_t flmap2;
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uint32_t flmap3; // Exist for 500 series onwards
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};
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// regions
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#define MAX_REGIONS 16
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#define MAX_REGIONS_OLD 5
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enum flash_regions {
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REGION_DESC,
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REGION_BIOS,
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REGION_ME,
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REGION_GBE,
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REGION_PDR,
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REGION_DEV_EXP1,
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REGION_BIOS2,
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REGION_EC = 8,
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REGION_DEV_EXP2,
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REGION_IE,
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REGION_10GB_0,
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REGION_10GB_1,
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REGION_PTT = 15,
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};
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struct __packed frba {
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uint32_t flreg[MAX_REGIONS];
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};
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// component section
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struct __packed fcba {
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uint32_t flcomp;
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uint32_t flill;
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uint32_t flpb;
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};
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// pch strap
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#define MAX_PCHSTRP 1024
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struct __packed fpsba {
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uint32_t pchstrp[MAX_PCHSTRP];
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};
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/*
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* WR / RD bits start at different locations within the flmstr regs, but
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* otherwise have identical meaning.
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*/
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#define FLMSTR_WR_SHIFT_V1 24
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#define FLMSTR_WR_SHIFT_V2 20
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#define FLMSTR_RD_SHIFT_V1 16
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#define FLMSTR_RD_SHIFT_V2 8
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// master
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struct __packed fmba {
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uint32_t flmstr1;
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uint32_t flmstr2;
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uint32_t flmstr3;
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uint32_t flmstr4;
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uint32_t flmstr5;
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uint32_t flmstr6;
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};
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// processor strap
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struct __packed fmsba {
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uint32_t data[8];
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};
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// ME VSCC
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struct vscc {
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uint32_t jid;
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uint32_t vscc;
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};
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struct vtba {
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// Actual number of entries specified in vtl
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/* FIXME: Rationale for the limit of 8.
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* AFAICT it's 127, cf. flashrom's ich_descriptors_tool). */
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struct vscc entry[8];
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};
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struct region {
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int base, limit, size;
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};
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struct region_name {
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const char *pretty;
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const char *terse;
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const char *filename;
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const char *fmapname;
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};
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