diff options
Diffstat (limited to 'util/ifdtool')
| -rw-r--r-- | util/ifdtool/ifdtool.c | 59 | ||||
| -rw-r--r-- | util/ifdtool/ifdtool.h | 4 |
2 files changed, 52 insertions, 11 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index 12dfdd1bf6..d99bdb9dc8 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -126,14 +126,35 @@ static fmsba_t *find_fmsba(char *image, int size) } /* + * Some newer platforms have re-defined the FCBA field that was used to + * distinguish IFD v1 v/s v2. Define a list of platforms that we know do not + * have the required FCBA field, but are IFD v2 and return true if current + * platform is one of them. + */ +static int is_platform_ifd_2(void) +{ + static const int ifd_2_platforms[] = { + PLATFORM_GLK, + PLATFORM_CNL, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(ifd_2_platforms); i++) { + if (platform == ifd_2_platforms[i]) + return 1; + } + + return 0; +} + +/* * There is no version field in the descriptor so to determine * if this is a new descriptor format we check the hardcoded SPI * read frequency to see if it is fixed at 20MHz or 17MHz. */ -static void check_ifd_version(char *image, int size) +static int get_ifd_version_from_fcba(char *image, int size) { int read_freq; - const fcba_t *fcba = find_fcba(image, size); if (!fcba) exit(EXIT_FAILURE); @@ -142,14 +163,10 @@ static void check_ifd_version(char *image, int size) switch (read_freq) { case SPI_FREQUENCY_20MHZ: - ifd_version = IFD_VERSION_1; - max_regions = MAX_REGIONS_OLD; - break; + return IFD_VERSION_1; case SPI_FREQUENCY_17MHZ: case SPI_FREQUENCY_50MHZ_30MHZ: - ifd_version = IFD_VERSION_2; - max_regions = MAX_REGIONS; - break; + return IFD_VERSION_2; default: fprintf(stderr, "Unknown descriptor version: %d\n", read_freq); @@ -157,6 +174,19 @@ static void check_ifd_version(char *image, int size) } } +static void check_ifd_version(char *image, int size) +{ + if (is_platform_ifd_2()) + ifd_version = IFD_VERSION_2; + else + ifd_version = get_ifd_version_from_fcba(image, size); + + if (ifd_version == IFD_VERSION_1) + max_regions = MAX_REGIONS_OLD; + else + max_regions = MAX_REGIONS; +} + static region_t get_region(const frba_t *frba, unsigned int region_type) { int base_mask; @@ -816,7 +846,8 @@ static void lock_descriptor(const char *filename, char *image, int size) } switch (platform) { - case PLATFORM_APOLLOLAKE: + case PLATFORM_APL: + case PLATFORM_GLK: /* CPU/BIOS can read descriptor and BIOS */ fmba->flmstr1 |= 0x3 << rd_shift; /* CPU/BIOS can write BIOS */ @@ -1153,6 +1184,9 @@ static void print_usage(const char *name) " -u | --unlock Unlock firmware descriptor and ME region\n" " -p | --platform Add platform-specific quirks\n" " aplk - Apollo Lake\n" + " cnl - Cannon Lake\n" + " glk - Gemini Lake\n" + " sklkbl - Skylake/Kaby Lake\n" " -v | --version: print the version\n" " -h | --help: print this help\n\n" "<region> is one of Descriptor, BIOS, ME, GbE, Platform\n" @@ -1342,13 +1376,18 @@ int main(int argc, char *argv[]) break; case 'p': if (!strcmp(optarg, "aplk")) { - platform = PLATFORM_APOLLOLAKE; + platform = PLATFORM_APL; + } else if (!strcmp(optarg, "cnl")) { + platform = PLATFORM_CNL; + } else if (!strcmp(optarg, "glk")) { + platform = PLATFORM_GLK; } else if (!strcmp(optarg, "sklkbl")) { platform = PLATFORM_SKLKBL; } else { fprintf(stderr, "Unknown platform: %s\n", optarg); exit(EXIT_FAILURE); } + fprintf(stderr, "Platform is: %s\n", optarg); break; case 'v': print_version(); diff --git a/util/ifdtool/ifdtool.h b/util/ifdtool/ifdtool.h index ad299a94f8..ef85555e06 100644 --- a/util/ifdtool/ifdtool.h +++ b/util/ifdtool/ifdtool.h @@ -22,7 +22,9 @@ enum ifd_version { }; enum platform { - PLATFORM_APOLLOLAKE, + PLATFORM_APL, + PLATFORM_CNL, + PLATFORM_GLK, PLATFORM_SKLKBL, }; |