Add env vars describing U-Boot target board

This can be useful for generic scripts. For example, rather than hard-
coding a script to ext2load tegra-harmony.dtb, it could load
${soc}-${board}.dtb and hence not need adjustments to run on multiple
boards.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/mkconfig b/mkconfig
index daa1810e72f..801f9212965 100755
--- a/mkconfig
+++ b/mkconfig
@@ -161,6 +161,14 @@ for i in ${TARGETS} ; do
 	echo "#define CONFIG_${i}" >>config.h ;
 done
 
+echo "#define CONFIG_SYS_ARCH  \"${arch}\""  >> config.h
+echo "#define CONFIG_SYS_CPU   \"${cpu}\""   >> config.h
+echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h
+
+[ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h
+
+[ "${soc}"    ] && echo "#define CONFIG_SYS_SOC    \"${soc}\""    >> config.h
+
 cat << EOF >> config.h
 #define CONFIG_BOARDDIR board/$BOARDDIR
 #include <config_cmd_defaults.h>