X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib_nios%2Fboard.c;h=0a0d2e38fdacb72e7c070ac896c703712f7f6871;hb=758c037aeead34b49631b8da3a90b1bba14c0410;hp=08085c2bb002d98fb42f4c3595f870416c2ce007;hpb=c837dcb1a316745092567bfe4fb266d0941884ff;p=u-boot

diff --git a/lib_nios/board.c b/lib_nios/board.c
index 08085c2bb0..0a0d2e38fd 100644
--- a/lib_nios/board.c
+++ b/lib_nios/board.c
@@ -32,6 +32,7 @@
 #include <status_led.h>
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
 
 /*
  * All attempts to come up with a "common" initialization sequence
@@ -49,7 +50,6 @@
 
 extern void malloc_bin_reloc (void);
 typedef int (init_fnc_t) (void);
-extern unsigned _vectors[];
 
 /*
  * Begin and End of memory area for malloc(), and current "brk"
@@ -107,8 +107,6 @@ init_fnc_t *init_sequence[] = {
 /***********************************************************************/
 void board_init (void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	bd_t *bd;
 	init_fnc_t **init_fnc_ptr;
 	char *s, *e;
@@ -118,11 +116,10 @@ void board_init (void)
 	 * Nios treats CFG_GBL_DATA_OFFSET as an address.
 	 */
 	gd = (gd_t *)CFG_GBL_DATA_OFFSET;
-	memset( gd, 0, CFG_GBL_DATA_SIZE );
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("": : :"memory");
 
-	/* Copy exception vectors to the correct location.
-	 */
-	memcpy( (void *)CFG_VECT_BASE, _vectors, 256 );
+	memset( gd, 0, CFG_GBL_DATA_SIZE );
 
 	gd->bd = (bd_t *)(gd+1);	/* At end of global data */
 	gd->baudrate = CONFIG_BAUDRATE;
@@ -132,18 +129,23 @@ void board_init (void)
 	bd->bi_memstart	= CFG_SDRAM_BASE;
 	bd->bi_memsize = CFG_SDRAM_SIZE;
 	bd->bi_flashstart = CFG_FLASH_BASE;
+#if	defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE)
 	bd->bi_sramstart= CFG_SRAM_BASE;
 	bd->bi_sramsize	= CFG_SRAM_SIZE;
+#endif
 	bd->bi_baudrate	= CONFIG_BAUDRATE;
 
 	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		WATCHDOG_RESET ();
 		if ((*init_fnc_ptr) () != 0) {
 			hang ();
 		}
 	}
 
+	WATCHDOG_RESET ();
 	bd->bi_flashsize = flash_init();
 
+	WATCHDOG_RESET ();
 	mem_malloc_init();
 	malloc_bin_reloc();
 	env_relocate();
@@ -155,12 +157,14 @@ void board_init (void)
 		if (s) s = (*e) ? e + 1 : e;
 	}
 
+	WATCHDOG_RESET ();
 	devices_init();
 	jumptable_init();
 	console_init_r();
 	/*
 	 */
 
+	WATCHDOG_RESET ();
 	interrupt_init ();
 
 #ifdef CONFIG_STATUS_LED