ARM: mvebu: clearfog: run-time selection of DT file

Set the kernel device-tree file (fdtfile environment variable) based on
run-time detection of the platform.
Reviewed-by: NStefan Roese <sr@denx.de>
Signed-off-by: NBaruch Siach <baruch@tkos.co.il>

arch/arm/mach-mvebu/Kconfig

@@ -91,6 +91,7 @@ choice
 config TARGET_CLEARFOG
 	bool "Support ClearFog"
 	select 88F6820
+	select BOARD_LATE_INIT
 
 config TARGET_HELIOS4
 	bool "Support Helios4"

board/solidrun/clearfog/clearfog.c

@@ -175,3 +175,17 @@ int board_eth_init(bd_t *bis)
 	cpu_eth_init(bis); /* Built in controller(s) come first */
 	return pci_eth_init(bis);
 }
+
+int board_late_init(void)
+{
+	cf_read_tlv_data();
+
+	if (sr_product_is(&cf_tlv_data, "Clearfog Base"))
+		env_set("fdtfile", "armada-388-clearfog-base.dtb");
+	else if (sr_product_is(&cf_tlv_data, "Clearfog GTR S4"))
+		env_set("fdtfile", "armada-385-clearfog-gtr-s4.dtb");
+	else if (sr_product_is(&cf_tlv_data, "Clearfog GTR L8"))
+		env_set("fdtfile", "armada-385-clearfog-gtr-l8.dtb");
+
+	return 0;
+}