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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.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10455 6f19259b-4bc3-4df7-8a09-765794883524
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andrewfish
2010-05-04 16:34:38 +00:00
parent f6381f4c3d
commit 2b649f7477
3 changed files with 24 additions and 3 deletions
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3
Omap35xxPkg/Include/Omap3530/Omap3530MMCHS.h
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@@ -205,4 +205,7 @@
#define ACMD41 (INDX(41) | RSP_TYPE_48BITS)
#define ACMD41_INT_EN (CERR_EN | CIE_EN | CCRC_EN | CC_EN | CEB_EN | CTO_EN)
#define ACMD6 (INDX(6) | RSP_TYPE_48BITS)
#define ACMD6_INT_EN (CERR_EN | CIE_EN | CCRC_EN | CC_EN | CEB_EN | CTO_EN)
#endif //__OMAP3530SDIO_H__