diff options
| author | Svyatoslav Ryhel <clamor95@gmail.com> | 2024-07-31 11:22:54 +0300 |
|---|---|---|
| committer | Svyatoslav Ryhel <clamor95@gmail.com> | 2024-10-13 17:20:26 +0300 |
| commit | 83b5f6367941f0f1c1904e4fde895fceedb75437 (patch) | |
| tree | 27992d609ec48027dcd979e4da41a8fe4abce0ae | |
| parent | 93b9cd792089e536f2bfa85d9903fd4798209f76 (diff) | |
disk: add TegraPT support
TegraPT is compatible with EFI part but it can't pass Protective MBR check.
Skip this check if CONFIG_TEGRA_PARTITION is enabled, storage uclass is MMC
and devnum is 0. Note, eMMC on supported devices MUST be aliased to mmc0.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
| -rw-r--r-- | disk/Kconfig | 10 | ||||
| -rw-r--r-- | disk/part_efi.c | 13 |
2 files changed, 23 insertions, 0 deletions
diff --git a/disk/Kconfig b/disk/Kconfig index ffa835eb354..b0bd02539ee 100644 --- a/disk/Kconfig +++ b/disk/Kconfig @@ -49,6 +49,16 @@ config SPL_MAC_PARTITION default y if MAC_PARTITION select SPL_PARTITIONS +config TEGRA_PARTITION + bool "Enable Nvidia Tegra partition table" + select PARTITIONS + select EFI_PARTITION + help + Say Y here if you would like to use U-Boot on a device that + is using the Nvidia Tegra partition table and cannot alter it. + + If unsure, say N. + config DOS_PARTITION bool "Enable MS Dos partition table" default y if BOOT_DEFAULTS diff --git a/disk/part_efi.c b/disk/part_efi.c index 580821a6ee9..12f28aec92c 100644 --- a/disk/part_efi.c +++ b/disk/part_efi.c @@ -318,6 +318,19 @@ static int part_test_efi(struct blk_desc *desc) /* Read legacy MBR from block 0 and validate it */ if ((blk_dread(desc, 0, 1, (ulong *)legacymbr) != 1) || (is_pmbr_valid(legacymbr) != 1)) { + + /* + * TegraPT is compatible with EFI part, but it + * cannot pass the Protective MBR check. Skip it + * if CONFIG_TEGRA_PARTITION is enabled and the + * device in question is eMMC. + */ + if (IS_ENABLED(CONFIG_TEGRA_PARTITION)) + if (!is_pmbr_valid(legacymbr) && + desc->uclass_id == UCLASS_MMC && + !desc->devnum) + return 0; + return -1; } return 0; |