the following patch was just integrated into master:
commit f4861df1e749885ec68ea0f17a3589aa6e79d13f
Author: Ronald G. Minnich <[email protected]>
Date: Mon Mar 4 16:39:35 2013 -0800
google/snow: Change MMC0 to work in 8 bit mode.
The MMC0 on google/snow can run in 8 bit mode. To simplify driver
development,
we thought disabling it (using zero, which runs in 1-bit / 4-bit mode) may
help.
However, after some experiments in payload drivers, setting pinmux to 8 bit
mode
can still allow MMC to run in 1-bit / 4-bit mode, so it's pretty safe to
enable
8 bit mode by default for better performance.
Verified to boot on google/snow, and got MMC0 working.
Change-Id: Ic0acc723fe6a8aecf373429d3801beadd70815d9
Signed-off-by: Ronald G. Minnich <[email protected]>
Reviewed-on: http://review.coreboot.org/2585
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <[email protected]>
Build-Tested: build bot (Jenkins) at Wed Mar 6 19:26:23 2013, giving +1
Reviewed-By: David Hendricks <[email protected]> at Wed Mar 6 22:04:51
2013, giving +2
See http://review.coreboot.org/2585 for details.
-gerrit
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