Drivers/DwMmcHcDxe: add delay in SD for HiKey960
Without delay, it'll always meet device error on HiKey960 platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
diff --git a/Drivers/SdMmc/DwMmcHcDxe/SdDevice.c b/Drivers/SdMmc/DwMmcHcDxe/SdDevice.c
index ba4efbb..02b4d9d 100644
--- a/Drivers/SdMmc/DwMmcHcDxe/SdDevice.c
+++ b/Drivers/SdMmc/DwMmcHcDxe/SdDevice.c
@@ -914,6 +914,7 @@
DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing Cmd0 fails with %r\n", Status));
return Status;
}
+ MicroSecondDelay (10000);
//
// 2. Send Cmd8 to the device
//
@@ -926,10 +927,11 @@
// 3. Send SDIO Cmd5 to the device to the SDIO device OCR register.
//
Status = SdioSendOpCond (PassThru, Slot, 0, FALSE);
- if (EFI_ERROR (Status)) {
+ if (!EFI_ERROR (Status)) {
DEBUG ((DEBUG_INFO, "SdCardIdentification: Found SDIO device, ignore it as we don't support\n"));
return EFI_DEVICE_ERROR;
}
+ MicroSecondDelay (10000);
//
// 4. Send Acmd41 with voltage window 0 to the device
//
