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authorMeenakshi Aggarwal <meenakshi.aggarwal@nxp.com>2019-01-24 19:35:18 +0530
committerLeif Lindholm <leif.lindholm@linaro.org>2019-01-30 17:47:26 +0000
commitb566259c8a2447cc3db9979d815d955a90431520 (patch)
tree2c6dbc41e0828237c24ba62067b13062f5ddbe07 /FatPkg/FatPei
parentd5788777bcc75936cc0e6acb540a5ee6ac77866b (diff)
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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>
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