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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 V270_V360: 9; // 2.70V - 3.60V
UINT32 RESERVED_1: 5; // Reserved UINT32 RESERVED_1: 5; // Reserved
UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode) 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; } OCR;
typedef struct { typedef struct {

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

@ -1,6 +1,6 @@
/** @file /** @file
* *
* Copyright (c) 2011, ARM Limited. All rights reserved. * Copyright (c) 2011-2012, ARM Limited. All rights reserved.
* *
* This program and the accompanying materials * This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License * 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")); 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; Timeout = MAX_RETRY_COUNT;
while (Timeout > 0) { while (Timeout > 0) {
// SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command // 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 (!EFI_ERROR(Status)) {
if (MmcHostInstance->CardInfo.OCRData.Busy == 0) { if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {
MicroSecondDelay(1); MicroSecondDelay(1);
Timeout--; Timeout--;
} else { } else {