[D18][ENV] add carrier overlay options

board/seco/imx8mp_d18/env_conf.h

@@ -66,6 +66,24 @@ data_boot_dev_t filesystem_dev_imx8_list [] = {
 size_t filesystem_dev_imx8_size = sizeof( filesystem_dev_imx8_list ) / sizeof( filesystem_dev_imx8_list[0] );
 
 
+#ifdef CONFIG_OF_LIBFDT_OVERLAY
+/* Carrier Boards */
+overlay_list_t overlay_carrier_list [] = {
+	{
+		.title = "Carrier Board",
+		.options = {
+			{ "not used", "" }, // default
+			{ "CSM-B79", "seco-imx8mp-d18-b79.dtbo" },
+			{ "CSM-E71", "seco-imx8mp-d18-e71.dtbo" },
+			{ "CSM-MV", "seco-imx8mp-d18-mv.dtbo" },
+		},
+	},
+};
+
+size_t overlay_carrier_size = sizeof( overlay_carrier_list ) / sizeof( overlay_carrier_list[0] );
+#endif
+
+
 /* HDMI, LVDS ChA + ChB */
 video_mode_t video_mode_list_CFG_D1 [] = {
 	{
@@ -253,7 +271,6 @@ touch_mode_t touch_mode_list [] = {
 size_t touch_mode_size = sizeof( touch_mode_list ) / sizeof( touch_mode_list[0] );
 
 #ifdef CONFIG_OF_LIBFDT_OVERLAY
-/* *********************************** FDT OVERLAY *********************************** */
 
 /* REV_A */
 overlay_list_t overlay_peripheral_list_REVA [] = {

board/seco/imx8mp_d18/imx8mp_d18.c

@@ -527,6 +527,10 @@ int board_late_init(void)
 	gd->bsp_sources.ramfs_dev_num            = ramfs_dev_imx8_size;
 	gd->bsp_sources.filesystem_dev_list      = &filesystem_dev_imx8_list[0];
 	gd->bsp_sources.filesystem_dev_num       = filesystem_dev_imx8_size;
+#ifdef CONFIG_OF_LIBFDT_OVERLAY
+	gd->boot_setup.overlay_carrier_list      = overlay_carrier_list;
+	gd->boot_setup.overlay_carrier_num       = overlay_carrier_size;
+#endif
 	if(!video_edp) {
 		gd->boot_setup.video_mode_list           = video_mode_list_CFG_D1;
 		gd->boot_setup.video_mode_num            = video_mode_size_CFG_D1;

include/configs/seco_imx8mp_d18.h

@@ -212,6 +212,7 @@
 #define ENV_SYS_MMC_ROOTFS_PART                  2
 #define ENV_ROOT_DEV_ID                          1
 
+#define ENV_IS_MODULE                            1
 #define ENV_NUM_VIDEO_OUTPUT                     1   /* configurable video output  */
 #define ENV_NUM_TOUCH                            1