The SD Card below Physical Layer 1.10 does not support CMD6.
When usdhc_sd_init is executed, it will fail to exit due to
execution of CMD6, causing the SD Card to not work normally.
For different SD Card Physical Layer specifications,
the following modifications have been made:
Version 1.10 and above support CMD6.
Version 3.0 and above support CMD6 Group 3 (driver strength
and current limit) .
Signed-off-by: Frank Li <lgl88911@163.com>
Move disk driver interface to own header and
separate disk access interface and disk driver interface.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
Add common SDMMC_LOG_LEVEL and SDMMC_VOLUME_NAME.
Initialize drivers at POST_KERNEL level.
Update CODEOWNERS after sdmmc drivers relocation.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
The files disk_access_usdhc.c, disk_access_spi_sdhc.c,
disk_access_stm32_sdmmc.c, disk_access_ram.c and
disk_access_flash.c are actually drivers for block devices and SD/MMC
controllers. This patch moves this drivers to drivers/disk and
reworks the configuration so that the drivers are selected when
the corresponding node is enabled.
Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
2021-03-23 12:16:01 +01:00
Renamed from subsys/disk/disk_access_usdhc.c (Browse further)
