[U-Boot] [PATCH 15/40] Blackfin: respect/check CONFIG_SYS_GBL_DATA_SIZE

[Mike Frysinger]

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 at gentoo.org>
---
 lib_blackfin/board.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index 9d7a0f6..2feb64b 100644
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -278,9 +278,13 @@ 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));
-- 
1.6.1