From 150481e5baf861802aab34069405e5dcbcbb106f Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Fri, 31 May 2024 08:36:34 -0700 Subject: mmc: allow use of hardware partition names for mmc partconf MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit eMMC v4+ devices have hardware partitions that are accessed via the PARTITION_CONFIG (Extended CSD Register 179) PARTITION_ACCESS and BOOT_PARTITION_ENABLE fields defined as: bit 5:3: BOOT_PARTITION_ENABLE   0x0: Device not boot enabled (default)   0x1: Boot Area partition 1 enabled for boot   0x2: Boot Area partition 2 enabled for boot   0x3-0x6: Reserved   0x7: User area enabled for boot bit 2:0 PARTITION_ACCESS 0x0: No access to boot partition (default) 0x1: Boot Area partition 1 0x2: Boot Area partition 2 0x3: Replay Protected Memory Block (RPMB) 0x4: Access to General Purpose partition 1 0x5: Access to General Purpose partition 2 0x6: Access to General Purpose partition 3 0x7: Access to General Purpose partition 4 Add char arrays to provide names for these values. Use these names which displaying or setting the PARTITION_CONFIG register via the 'mmc partconf' command. Before: u-boot=> mmc partconf 2 1 1 0 && mmc partconf 2 EXT_CSD[179], PARTITION_CONFIG: BOOT_ACK: 0x1 BOOT_PARTITION_ENABLE: 0x2 PARTITION_ACCESS: 0x0 After: u-boot=> mmc partconf 2 1 1 0 && mmc partconf 2 EXT_CSD[179], PARTITION_CONFIG: BOOT_ACK: 0x1 BOOT_PARTITION_ENABLE: 0x1 (boot0) PARTITION_ACCESS: 0x0 (user) u-boot=> mmc partconf 2 1 boot1 0 && mmc partconf 2 EXT_CSD[179], PARTITION_CONFIG: BOOT_ACK: 0x1 BOOT_PARTITION_ENABLE: 0x2 (boot1) PARTITION_ACCESS: 0x0 (user) Signed-off-by: Tim Harvey --- include/mmc.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/mmc.h b/include/mmc.h index 0f3f1ed6aaa..2e2f5dd12b8 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -389,6 +389,9 @@ enum emmc_boot_part { EMMC_BOOT_PART_USER = 7, }; +/* emmc PARTITION_CONFIG BOOT_PARTITION_ENABLE names */ +extern const char *emmc_boot_part_names[8]; + /* emmc PARTITION_CONFIG ACCESS_ENABLE values */ enum emmc_hwpart { EMMC_HWPART_DEFAULT = 0, /* user */ @@ -401,6 +404,9 @@ enum emmc_hwpart { EMMC_HWPART_GP4 = 7, }; +/* emmc PARTITION_CONFIG ACCESS_ENABLE names */ +extern const char *emmc_hwpart_names[8]; + /* Driver model support */ /** -- cgit v1.2.3