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git.proxmox.com Git - mirror_edk2.git/commit
EmbeddedPkg: Fix Command Argument for SD/eMMC R/W operation.
Issue : SD read failure for high capacity cards e.g. 64 GB
Reason : Command argument value exceeds 32 bit for block number 0x3787FFF
and cant be fit into 32 bit wide SD host controller register.
Fix :
AccessMode bits [29:30] of OCR is a valid definition to calculate
data address for eMMC cards.
For SD cards, data address is calculated on the basis of
card capacity status bit[30] of OCR.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>