From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 15 Aug 2011 16:15:58 +0000 (+0000)
Subject: EmbeddedPkg/MmcDxe: Implement the correct macro to get the device size of SD 2 High... 
X-Git-Tag: edk2-stable201903~14403
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=36aa561136094f201484fd1fd9ac85ce6de3767a;hp=d8ad4736afb60d282e07530733831015321e547f

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
---

diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
index d570be299f..8858454d09 100644
--- a/EmbeddedPkg/Universal/MmcDxe/Mmc.h
+++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
@@ -39,6 +39,7 @@
 #define MMC_CSD_GET_FILEFORMAT(Response)  ((Response[3] >> 10) & 0x3)
 #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 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_R0_READY_FOR_DATA               (1 << 8)
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c
index 38998c893f..8fd86f7244 100644
--- a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c
+++ b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c
@@ -464,9 +464,8 @@ MmcIoBlocks (
     PrintCSD(Response);
 
     if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
-      ASSERT(0);  //TODO: Implementation needed
-      CardSize = MMC_CSD_GET_DEVICESIZE(Response);
-      NumBlocks = ((CardSize + 1) * 1024);;
+      CardSize = HC_MMC_CSD_GET_DEVICESIZE(Response);
+      NumBlocks = ((CardSize + 1) * 1024);
       BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);
     } else {
       CardSize = MMC_CSD_GET_DEVICESIZE(Response);