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| /rk3399_rockchip-uboot/drivers/mmc/ |
| H A D | omap_hsmmc.c | 152ba36362377bd1a7c99e7e50cf53b5a8851e5c Wed Aug 14 15:59:18 UTC 2013 Lubomir Popov <lpopov@mm-sol.com> ARM: OMAP: Enable 8-bit eMMC access for OMAP4/5/DRA7xx
Enable 8-bit host capability for HSMMC2 and/or HSMMC3. CONFIG_HSMMC2_8BIT
(for OMAP4/5/DRA7xx) and/or CONFIG_HSMMC3_8BIT (for DRA7xx only) must be
defined in the board header if an 8-bit eMMC device is connected to the
corresponding port.
Fix the "No status update" error that appeared for eMMC devices by
inserting a 20 us delay between writing arguments and command. This
solution has been proposed by Michael Cashwell <mboards@prograde.net>.
A minor cosmetic fix in a comment as well.
Signed-off-by: Lubomir Popov <lpopov@mm-sol.com>
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