Blackfin: respect/check CONFIG_SYS_GBL_DATA_SIZE

When setting up the global data, rather than relying on sizeof(), use the
common CONFIG_SYS_GBL_DATA_SIZE define.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index dcf246d..fef1934 100644 (file)
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -279,9 +279,13 @@ void board_init_f(ulong bootflag)
        dcache_enable();
 #endif
 
+#ifdef DEBUG
+       if (CONFIG_SYS_GBL_DATA_SIZE < sizeof(*gd))
+               hang();
+#endif
        serial_early_puts("Init global data\n");
        gd = (gd_t *) (CONFIG_SYS_GBL_DATA_ADDR);
-       memset((void *)gd, 0, sizeof(gd_t));
+       memset((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
 
        /* Board data initialization */
        addr = (CONFIG_SYS_GBL_DATA_ADDR + sizeof(gd_t));