Clock control is similar in SDHCI versions greater then version 2. Add support for more recent versions of the controller specification.
SD card support for 1.8V is also present in controller versions 3 and greater. https://bugzilla.tianocore.org/show_bug.cgi?id=1233 Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jeff Brasen <[email protected]> --- MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c | 3 ++- MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c index d3f77ed..6ee9ed7 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c @@ -978,7 +978,8 @@ SdCardIdentification ( return Status; } - if ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_300) { + if (((ControllerVer & 0xFF) >= SD_MMC_HC_CTRL_VER_300) && + ((ControllerVer & 0xFF) <= SD_MMC_HC_CTRL_VER_420)) { S18r = TRUE; } else if (((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_100) || ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_200)) { S18r = FALSE; diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c index 3b9a184..bedc968 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c @@ -782,7 +782,8 @@ SdMmcHcClockSupply ( // // Set SDCLK Frequency Select and Internal Clock Enable fields in Clock Control register. // - if ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_300) { + if (((ControllerVer & 0xFF) >= SD_MMC_HC_CTRL_VER_300) && + ((ControllerVer & 0xFF) <= SD_MMC_HC_CTRL_VER_420)) { ASSERT (Divisor <= 0x3FF); ClockCtrl = ((Divisor & 0xFF) << 8) | ((Divisor & 0x300) >> 2); } else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) { -- 2.7.4 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
