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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>