From 4f7863e34220e25ff49ebc4555dd819bb77280c6 Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Thu, 22 Aug 2019 21:31:12 +0200 Subject: u-boot-toradex-fw-utils: apalis-mx6: follow changed emmc instance The kernel for Apalis iMX6 now uses mmc2 as the instance for the eMMC. Follow that. Signed-off-by: Max Krummenacher --- recipes-bsp/u-boot/files/apalis-imx6/fw_env.config | 17 +++++++++++++++++ recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh | 6 ++++++ 2 files changed, 23 insertions(+) create mode 100644 recipes-bsp/u-boot/files/apalis-imx6/fw_env.config create mode 100644 recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh (limited to 'recipes-bsp/u-boot/files') diff --git a/recipes-bsp/u-boot/files/apalis-imx6/fw_env.config b/recipes-bsp/u-boot/files/apalis-imx6/fw_env.config new file mode 100644 index 0000000..be25811 --- /dev/null +++ b/recipes-bsp/u-boot/files/apalis-imx6/fw_env.config @@ -0,0 +1,17 @@ +# Configuration file for fw_(printenv/setenv) utility. +# Up to two entries are valid, in this case the redundant +# environment sector is assumed present. +# Device offset must be prefixed with 0x to be parsed as a hexadecimal value. +# On a block device a negative offset is treated as a backwards offset from the +# end of the device/partition, rather than a forwards offset from the start. + +# Colibri iMX6/Apalis iMX6 +# U-Boot environment is stored at the end of the first eMMC boot partition +# hence use a negative value. The environment is just in front of the config +# block which occupies the last sector (hence -0x200) +# Note that /dev/mmcblk0boot0 by default is read only +# To use fw_setenv you have to first make it writeable, on the cmdline e.g. by +# $ echo 0 > /sys/block/mmcblk0boot0/force_ro + +# Block device name Device offset Env. size +/dev/mmcblk2boot0 -0x2200 0x2000 diff --git a/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh b/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh new file mode 100644 index 0000000..130a425 --- /dev/null +++ b/recipes-bsp/u-boot/files/apalis-imx6/fw_unlock_mmc.sh @@ -0,0 +1,6 @@ +# Give fw_setenv mmcblkXboot0 write permissions +fw_setenv() { + echo 0 > /sys/block/mmcblk2boot0/force_ro + /sbin/fw_setenv "$@" + echo 1 > /sys/block/mmcblk2boot0/force_ro +} -- cgit v1.2.3