mpc83xx: MPC8315ERDB: Use hwconfig for board type selection

This patch simply converts the board to the hwconfig infrastructure.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: NKim Phillips <kim.phillips@freescale.com>

board/freescale/mpc8315erdb/mpc8315erdb.c

@@ -24,6 +24,7 @@
  */
 
 #include <common.h>
+#include <hwconfig.h>
 #include <i2c.h>
 #include <libfdt.h>
 #include <fdt_support.h>
@@ -176,20 +177,15 @@ void pci_init_board(void)
 #if defined(CONFIG_OF_BOARD_SETUP)
 void fdt_tsec1_fixup(void *fdt, bd_t *bd)
 {
-	char *mpc8315erdb = getenv("mpc8315erdb");
 	const char disabled[] = "disabled";
 	const char *path;
 	int ret;
 
-	if (!mpc8315erdb)
+	if (hwconfig_arg_cmp("board_type", "tsec1")) {
 		return;
-
-	if (!strcmp(mpc8315erdb, "tsec1")) {
-		return;
-	} else if (strcmp(mpc8315erdb, "ulpi")) {
-		printf("WARNING: wrong `mpc8315erdb' environment "
-		       "variable specified: `%s'. Should be `ulpi' "
-		       "or `tsec1'.\n", mpc8315erdb);
+	} else if (!hwconfig_arg_cmp("board_type", "ulpi")) {
+		printf("NOTICE: No or unknown board_type hwconfig specified.\n"
+		       "        Assuming board with TSEC1.\n");
 		return;
 	}
 

include/configs/MPC8315ERDB.h

@@ -72,6 +72,7 @@
 #define CONFIG_SYS_SICRL		0x00000000 /* 3.3V, no delay */
 
 #define CONFIG_BOARD_EARLY_INIT_F /* call board_pre_init */
+#define CONFIG_HWCONFIG
 
 /*
  * IMMR new address