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EmbeddedPkg/MmcDxe: Fixed MmcIdentificationMode() 

The condition to check if the card is ready was not correct.

Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13583 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2012-08-02 10:11:29 +00:00
parent 7d77584763
commit 492e34a590
2 changed files with 4 additions and 4 deletions
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2
EmbeddedPkg/Universal/MmcDxe/Mmc.h
View File

@ -69,7 +69,7 @@ typedef struct {
UINT32 V270_V360: 9; // 2.70V - 3.60V
UINT32 RESERVED_1: 5; // Reserved
UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)
UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine
UINT32 PowerUp: 1; // This bit is set to LOW if the card has not finished the power up routine
} OCR;
typedef struct {

6
EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -252,7 +252,7 @@ MmcIdentificationMode (
DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));
}
// We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.Busy == 1)
// We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)
Timeout = MAX_RETRY_COUNT;
while (Timeout > 0) {
// SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command
@ -287,7 +287,7 @@ MmcIdentificationMode (
}
if (!EFI_ERROR(Status)) {
if (MmcHostInstance->CardInfo.OCRData.Busy == 0) {
if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {
MicroSecondDelay(1);
Timeout--;
} else {