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