From: Tomasz Michalec <t...@semihalf.com>
SdMmcHcReset used to set all bits of Software Reset Register to 1
including reserved ones.
Now only first bit is set which means "Software Reset for All".
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <m...@semihalf.com>
---
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
index e7c51e6..c9a0acc 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
@@ -459,8 +459,8 @@ SdMmcHcReset (
}
PciIo = Private->PciIo;
- SwReset = 0xFF;
- Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_SW_RST, FALSE, sizeof
(SwReset), &SwReset);
+ SwReset = BIT0;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_SW_RST, sizeof (SwReset),
&SwReset);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "SdMmcHcReset: write full 1 fails: %r\n", Status));
@@ -472,7 +472,7 @@ SdMmcHcReset (
Slot,
SD_MMC_HC_SW_RST,
sizeof (SwReset),
- 0xFF,
+ BIT0,
0x00,
SD_MMC_HC_GENERIC_TIMEOUT
);
--
2.7.4
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