0001-MmcDxe-fix-invalid-HC_MMC_CSD_GET_DEVICESIZE-computa.patch

From abb8108e7a45132d0dd340820d47c08949dcb1ba Mon Sep 17 00:00:00 2001
From: Andrey Warkentin <andrey.warkentin@gmail.com>
Date: Thu, 14 Dec 2017 23:41:53 -0500
Subject: [PATCH 1/2] MmcDxe: fix invalid HC_MMC_CSD_GET_DEVICESIZE computation

This made a 64GB SDXC card look twice as small, and if
a partition fills the entire card, then UEFI will
ignore it, considering it to be beyond the card's end.

Signed-off-by: Andrey Warkentin <andrey.warkentin@gmail.com>
---
 EmbeddedPkg/Universal/MmcDxe/Mmc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
index a77ba41..d960aa4 100644
--- a/EmbeddedPkg/Universal/MmcDxe/Mmc.h
+++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
@@ -45,7 +45,7 @@
 #define MMC_CSD_GET_FILEFORMAT(Response)  ((Response[0] >> 10) & 0x3)
 #define MMC_CSD_GET_FILEFORMATGRP(Response)  ((Response[0] >> 15) & 0x1)
 #define MMC_CSD_GET_DEVICESIZE(csd)         (((Response[1] >> 30) & 0x3) | ((Response[2] & 0x3FF) << 2))
-#define HC_MMC_CSD_GET_DEVICESIZE(Response)    ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));
+#define HC_MMC_CSD_GET_DEVICESIZE(Response)    ((Response[1] >> 16) | ((Response[2] & 0x3F) << 16));
 #define MMC_CSD_GET_DEVICESIZEMULT(csd)     ((Response[1] >> 15) & 0x7)
 
 #define MMC_R0_READY_FOR_DATA               (1 << 8)
-- 
2.5.3