powerpc: 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>
Acked-by: Stefan Roese <sr@denx.de>

arch/powerpc/lib/board.c

@@ -158,13 +158,8 @@ typedef int (init_fnc_t) (void);
 
 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;
 }
 
 /***********************************************************************/
@@ -374,9 +369,7 @@ void board_init_f (ulong bootflag)
 	gd_t *id;
 	init_fnc_t **init_fnc_ptr;
 #ifdef CONFIG_PRAM
-	int i;
 	ulong reg;
-	uchar tmp[64];		/* long enough for environment variables */
 #endif
 
 	/* Pointer is writable since we allocated a register for it */
@@ -448,10 +441,9 @@ void board_init_f (ulong bootflag)
 	/*
 	 * reserve protected RAM
 	 */
-	i = getenv_f("pram", (char *)tmp, sizeof (tmp));
-	reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
+	reg = getenv_ulong("pram", 10, CONFIG_PRAM);
 	addr -= (reg << 10);		/* size is in kB */
-	debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
+	debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
 #endif /* CONFIG_PRAM */
 
 	/* round down to next 4 kB limit */
@@ -933,9 +925,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	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));
@@ -1018,18 +1008,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	 * taking into account the protected RAM at top of memory
 	 */
 	{
-		ulong pram;
+		ulong pram = 0;
 		uchar memsz[32];
-#ifdef CONFIG_PRAM
-		char *s;
 
-		if ((s = getenv ("pram")) != NULL) {
-			pram = simple_strtoul (s, NULL, 10);
-		} else {
-			pram = CONFIG_PRAM;
-		}
-#else
-		pram=0;
+#ifdef CONFIG_PRAM
+		pram = getenv_ulong("pram", 10, CONFIG_PRAM);
 #endif
 #ifdef CONFIG_LOGBUFFER
 #ifndef CONFIG_ALT_LB_ADDR