mmc: Add 'mmc rst-function' sub-command
Some eMMC chips may need the RST_n_FUNCTION bit set to a non-zero value
in order for warm reset of the system to work. Details on this being
required will be part of the eMMC datasheet. Also add using this
command to the dra7xx README.
* Whitespace fix by panto
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
diff --git a/board/ti/dra7xx/README b/board/ti/dra7xx/README
index 2fdaeac..533da01 100644
--- a/board/ti/dra7xx/README
+++ b/board/ti/dra7xx/README
@@ -23,3 +23,4 @@
U-Boot # mmc write ${loadaddr} 300 400
U-Boot # mmc bootbus 1 2 0 2
U-Boot # mmc partconf 1 1 1 0
+U-Boot # mmc rst-function 1 1