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MdeModulePkg/SdMmcPciHcDxe: Add controller version defines

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Add SDHCI controller defines, this is useful as the version in the
register does not explictly map to a specification version. For example
vesion 4.10 of the specification is version 0x04.

https://bugzilla.tianocore.org/show_bug.cgi?id=1233

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Jeff Brasen
2018-10-10 01:50:36 +08:00
committed by Hao Wu
parent 9343d0a1cd
commit bdf038ccff
3 changed files with 13 additions and 3 deletions
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2
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
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@@ -782,7 +782,7 @@ SdMmcHcClockSupply (
//
// Set SDCLK Frequency Select and Internal Clock Enable fields in Clock Control register.
//
if ((ControllerVer & 0xFF) == 2) {
if ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_300) {
ASSERT (Divisor <= 0x3FF);
ClockCtrl = ((Divisor & 0xFF) << 8) | ((Divisor & 0x300) >> 2);
} else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) {