sparc: Use getenv_ulong() in place of getenv(), strtoul

This changes the board code to use the new getenv_ulong() function.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/sparc/lib/board.c

@@ -87,13 +87,8 @@ ulong monitor_flash_len;
 
 static int init_baudrate(void)
 {
-	char tmp[64];		/* long enough for environment variables */
-	int i = getenv_f("baudrate", tmp, sizeof(tmp));
-
-	gd->baudrate = (i > 0)
-	    ? (int)simple_strtoul(tmp, NULL, 10)
-	    : CONFIG_BAUDRATE;
-	return (0);
+	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
+	return 0;
 }
 
 /***********************************************************************/
@@ -366,9 +361,7 @@ void board_init_f(ulong bootflag)
 	udelay(20);
 
 	/* Initialize from environment */
-	if ((s = getenv("loadaddr")) != NULL) {
-		load_addr = simple_strtoul(s, NULL, 16);
-	}
+	load_addr = getenv_ulong("loadaddr", 16, load_addr);
 #if defined(CONFIG_CMD_NET)
 	if ((s = getenv("bootfile")) != NULL) {
 		copy_filename(BootFile, s, sizeof(BootFile));