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EmbeddedPkg/MmcDxe: Implement the correct macro to get the device size of SD 2 High Density cards 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12131 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-08-15 16:15:58 +00:00
parent d8ad4736af
commit 36aa561136
2 changed files with 3 additions and 3 deletions
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1
EmbeddedPkg/Universal/MmcDxe/Mmc.h
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@ -39,6 +39,7 @@
#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[3] >> 10) & 0x3) #define MMC_CSD_GET_FILEFORMAT(Response) ((Response[3] >> 10) & 0x3)
#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[3] >> 15) & 0x1) #define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[3] >> 15) & 0x1)
#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[2] >> 30) & 0x3) | ((Response[1] & 0x3FF) << 2)) #define MMC_CSD_GET_DEVICESIZE(csd) (((Response[2] >> 30) & 0x3) | ((Response[1] & 0x3FF) << 2))
#define HC_MMC_CSD_GET_DEVICESIZE(Response) ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));
#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[2] >> 15) & 0x7) #define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[2] >> 15) & 0x7)
#define MMC_R0_READY_FOR_DATA (1 << 8) #define MMC_R0_READY_FOR_DATA (1 << 8)

5
EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c
View File

@ -464,9 +464,8 @@ MmcIoBlocks (
PrintCSD(Response); PrintCSD(Response);
if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) { if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
ASSERT(0); //TODO: Implementation needed CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);
CardSize = MMC_CSD_GET_DEVICESIZE(Response); NumBlocks = ((CardSize + 1) * 1024);
NumBlocks = ((CardSize + 1) * 1024);;
BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response); BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);
} else { } else {
CardSize = MMC_CSD_GET_DEVICESIZE(Response); CardSize = MMC_CSD_GET_DEVICESIZE(Response);