Commit Graph

6 Commits

Author SHA1 Message Date
Haojian Zhuang e88fcb47c1 EmbeddedPkg: MmcDxe: declare ECSD structure
Declare fields in ECSD structure. And drop the original 128 words
arrary.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:42 +00:00
Haojian Zhuang 36bec33a99 EmbeddedPkg: MmcDxe: move ECSD into CardInfo structure
Since ECSD also describes the information of card, move it into
structure CardInfo.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:23 +00:00
Haojian Zhuang 3201075377 EmbeddedPkg: MmcDxe: wait OCR busy bit free
According to eMMC spec, OCR.PowerUp bit is also busy bit. If the busy
bit is '0', CMD1 should be sent and OCR should be fetched again. And add
a timeout counter on the repeated steps.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-14 15:45:08 +00:00
Olivier Martin eff98cf9da EmbeddedPkg: Remove dependency on TimerLib
UEFI drivers should not depend on TimerLib. They should
use BS.Stall() instead.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Ronald Cron <Ronald.Cron@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17343 6f19259b-4bc3-4df7-8a09-765794883524
2015-05-06 11:15:44 +00:00
Olivier Martin 139b577374 MmcIdentification: Don't error out for SD cards
SD cards don't respond to CMD1 immediately following CMD0.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15210 6f19259b-4bc3-4df7-8a09-765794883524
2014-02-05 12:54:46 +00:00
Olivier Martin b4fdedc254 MmcDxe: Adding eMMC support
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15074 6f19259b-4bc3-4df7-8a09-765794883524
2014-01-09 19:06:25 +00:00