ARM: imx6q_logic: Allow optional arguments to cmd line

This adds an extra, optional environmental variable called
'optargs' which if enabled allow additional parameters to be
passed to the kernel (ie, quiet, cma=128M, etc.)
Each script that setups the bootargs will just append this.

Signed-off-by: Adam Ford <aford173@gmail.com>

diff --git a/include/configs/imx6_logic.h b/include/configs/imx6_logic.h
index ad45b10..dbf5665 100644 (file)
--- a/include/configs/imx6_logic.h
+++ b/include/configs/imx6_logic.h
@@ -46,11 +46,11 @@
        "finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
        "nandroot=ubi0:rootfs rootfstype=ubifs\0" \
        "mmcargs=setenv bootargs console=${console},${baudrate}" \
-       " root=PARTUUID=${uuid} rootwait rw\0 ${mtdparts}\0" \
+       " root=PARTUUID=${uuid} rootwait rw ${mtdparts} ${optargs}\0" \
        "nandargs=setenv bootargs console=${console},${baudrate}" \
-       " ubi.mtd=fs root=${nandroot} ${mtdparts}\0" \
+       " ubi.mtd=fs root=${nandroot} ${mtdparts} ${optargs}\0" \
        "ramargs=setenv bootargs console=${console},${baudrate}" \
-       " root=/dev/ram rw ${mtdparts}\0"                    \
+       " root=/dev/ram rw ${mtdparts} ${optargs}\0"                    \
        "loadbootscript=" \
        "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
        "bootscript=echo Running bootscript from mmc ...;" \