powerpc: Zero out board info struct on bootup

This puts the board info struct in a known state and allows the removal
of other code which initialized board info fields to 0.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index bfdfa86249642f159aecd04710babfe671394887..529f71960d7ce62dfbfbc897ebe86443d23f8fda 100644 (file)
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -480,6 +480,7 @@ void board_init_f (ulong bootflag)
         */
        addr_sp -= sizeof (bd_t);
        bd = (bd_t *) addr_sp;
+       memset(bd, 0, sizeof(bd_t));
        gd->bd = bd;
        debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
                        sizeof (bd_t), addr_sp);
@@ -512,9 +513,6 @@ void board_init_f (ulong bootflag)
 #ifdef CONFIG_SYS_SRAM_BASE
        bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;        /* start of  SRAM memory        */
        bd->bi_sramsize  = CONFIG_SYS_SRAM_SIZE;        /* size  of  SRAM memory        */
-#else
-       bd->bi_sramstart = 0;
-       bd->bi_sramsize  = 0;
 #endif
 
 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
@@ -739,14 +737,7 @@ void board_init_r (gd_t *id, ulong dest_addr)
        bd->bi_flashoffset = TEXT_BASE + flash_size;
 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
        bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor  */
-# else
-       bd->bi_flashoffset = 0;
 # endif
-#else  /* CONFIG_SYS_NO_FLASH */
-
-       bd->bi_flashsize = 0;
-       bd->bi_flashstart = 0;
-       bd->bi_flashoffset = 0;
 #endif /* !CONFIG_SYS_NO_FLASH */
 
        WATCHDOG_RESET ();
@@ -803,14 +794,8 @@ void board_init_r (gd_t *id, ulong dest_addr)
                if (s && ((*s == 'y') || (*s == 'Y'))) {
                        bd->bi_iic_fast[0] = 1;
                        bd->bi_iic_fast[1] = 1;
-               } else {
-                       bd->bi_iic_fast[0] = 0;
-                       bd->bi_iic_fast[1] = 0;
                }
        }
-#else
-       bd->bi_iic_fast[0] = 0;
-       bd->bi_iic_fast[1] = 0;
 #endif /* CONFIG_I2CFAST */
 #endif /* CONFIG_405GP, CONFIG_405EP */
 #endif /* CONFIG_SYS_EXTBDINFO */