nitrogen: Use unsigned long to specify the total RAM size

When building for the nitrogen boards with 2GiB the following warning happens:

nitrogen6x.c:89:38: warning: integer overflow in expression [-Woverflow]

2GiB can not fit in 32-bits, so use ulong instead.

Reported-by: Albert Aribaud <albert.u.boot@aribaud.net>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
index 0dbb6d2..229c237 100644 (file)
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -86,7 +86,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int dram_init(void)
 {
-       gd->ram_size = CONFIG_DDR_MB * 1024 * 1024;
+       gd->ram_size = ((ulong)CONFIG_DDR_MB * 1024 * 1024);
 
        return 0;
 }