| /* 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_2, |
| }; |
| |
| /* port from flashrom */ |
| enum ich_chipset { |
| CHIPSET_ICH_UNKNOWN, |
| CHIPSET_ICH, |
| CHIPSET_ICH2345, |
| CHIPSET_ICH6, |
| CHIPSET_POULSBO, /* SCH U* */ |
| CHIPSET_TUNNEL_CREEK, /* Atom E6xx */ |
| CHIPSET_CENTERTON, /* Atom S1220 S1240 S1260 */ |
| CHIPSET_ICH7, |
| CHIPSET_ICH8, |
| CHIPSET_ICH9, |
| CHIPSET_ICH10, |
| 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_100_SERIES_SUNRISE_POINT, /* also 6th/7th gen Core i/o (LP) |
| * variants |
| */ |
| CHIPSET_C620_SERIES_LEWISBURG, |
| }; |
| |
| enum platform { |
| PLATFORM_APL, |
| PLATFORM_CNL, |
| PLATFORM_GLK, |
| PLATFORM_ICL, |
| PLATFORM_JSL, |
| PLATFORM_SKLKBL, |
| PLATFORM_TGL, |
| }; |
| |
| #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; |
| } __attribute__((packed)) fdbar_t; |
| |
| // regions |
| #define MAX_REGIONS 9 |
| #define MAX_REGIONS_OLD 5 |
| |
| enum flash_regions { |
| REGION_DESC, |
| REGION_BIOS, |
| REGION_ME, |
| REGION_GBE, |
| REGION_PDR, |
| REGION_EC = 8, |
| }; |
| |
| typedef struct { |
| uint32_t flreg[MAX_REGIONS]; |
| } __attribute__((packed)) frba_t; |
| |
| // component section |
| typedef struct { |
| uint32_t flcomp; |
| uint32_t flill; |
| uint32_t flpb; |
| } __attribute__((packed)) fcba_t; |
| |
| // pch strap |
| #define MAX_PCHSTRP 1024 |
| |
| typedef struct { |
| uint32_t pchstrp[MAX_PCHSTRP]; |
| } __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 |
| /* FIXME: Rationale for the limit of 8. |
| * AFAICT it's 127, cf. flashrom's ich_descriptors_tool). */ |
| vscc_t entry[8]; |
| } vtba_t; |
| |
| typedef struct { |
| int base, limit, size; |
| } region_t; |
| |
| struct region_name { |
| const char *pretty; |
| const char *terse; |
| const char *filename; |
| const char *fmapname; |
| }; |