[PATCH 1/6] include: env: phytec: overlays: Add extension command

[Daniel Schultz <d.schultz@phytec.de>]

Add a new environment routine to apply extensions. Our SOM detection
adds overlays via the extension framework to alter the kernel
device-tree according to the flashed EEPROM image.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---
 include/env/phytec/overlays.env | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/env/phytec/overlays.env b/include/env/phytec/overlays.env
index 78721cde654..50110e731bd 100644
--- a/include/env/phytec/overlays.env
+++ b/include/env/phytec/overlays.env
@@ -23,6 +23,16 @@ mmc_apply_overlays=
 			fi;
 		done;
 	fi;
+#ifdef CONFIG_CMD_EXTENSION
+mmc_apply_extensions=
+	setenv extension_overlay_addr ${fdtoverlay_addr_r};
+	setenv extension_overlay_cmd 'load mmc ${mmcdev}:${mmcpart}
+	  ${fdtoverlay_addr_r} ${extension_overlay_name}';
+	extension scan;
+	extension apply all;
+#else
+mmc_apply_extensions=echo "no extension command"
+#endif
 net_load_bootenv=${get_cmd} ${bootenv_addr_r} ${bootenv}
 net_load_overlay=${get_cmd} ${fdtoverlay_addr_r} ${overlay}
 net_apply_overlays=
@@ -36,3 +46,13 @@ net_apply_overlays=
 			fi;
 		done;
 	fi;
+#ifdef CONFIG_CMD_EXTENSION
+net_apply_extensions=
+	setenv extension_overlay_addr ${fdtoverlay_addr_r};
+	setenv extension_overlay_cmd '${get_cmd} ${fdtoverlay_addr_r}
+	 ${extension_overlay_name}';
+	extension scan;
+	extension apply all;
+#else
+net_apply_extensions=echo "no extension command"
+#endif
-- 
2.25.1