Program SD Cards into 4-bit mode (support for this is required in the spec). This gives a 20+% performance increase in load time of an 8MB image.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10455 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
2010-05-04 16:34:38 +00:00
parent f6381f4c3d
commit 2b649f7477
3 changed files with 24 additions and 3 deletions

View File

@@ -97,7 +97,6 @@
#define DMA4_CCR_CONST_FILL_ENABLE BIT16
#define DMA4_CCR_TRANSPARENT_COPY_ENABLE BIT17
#endif