diff --git a/include/configs/cardhu.h b/include/configs/cardhu.h
index 4abb03e..e80d1a6 100644
--- a/include/configs/cardhu.h
+++ b/include/configs/cardhu.h
@@ -30,6 +30,10 @@
 #define V_PROMPT		"Tegra30 (Cardhu) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA Cardhu"
 
+#define BOARD_EXTRA_ENV_SETTINGS \
+	"board_name=cardhu-a04\0" \
+	"fdtfile=tegra30-cardhu-a04.dtb\0"
+
 /* Board-specific serial config */
 #define CONFIG_SERIAL_MULTI
 #define CONFIG_TEGRA_ENABLE_UARTA
diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h
index a3242fe..020b9b1 100644
--- a/include/configs/tegra-common-post.h
+++ b/include/configs/tegra-common-post.h
@@ -129,10 +129,15 @@
 	"stderr=serial" STDOUT_LCD "\0" \
 	""
 
+#ifndef BOARD_EXTRA_ENV_SETTINGS
+#define BOARD_EXTRA_ENV_SETTINGS
+#endif
+
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	TEGRA_DEVICE_SETTINGS \
 	MEM_LAYOUT_ENV_SETTINGS \
-	BOOTCMDS_COMMON
+	BOOTCMDS_COMMON \
+	BOARD_EXTRA_ENV_SETTINGS
 
 #if defined(CONFIG_TEGRA20_SFLASH) || defined(CONFIG_TEGRA20_SLINK) || defined(CONFIG_TEGRA114_SPI)
 #define CONFIG_FDT_SPI