[U-Boot] [PATCH] Ensure gd->ram_size end stays on 4k page boundary when 'hiding' RAM

[Gray Remlin]

Signed-off-by: Gray Remlin <g_remlin at rocketmail.com>
---
 arch/arm/lib/board.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 22bd2c9..c1b21f5 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -531,8 +531,9 @@ void board_init_f (ulong bootflag)
         * arch/powerpc with bootwrapper support, that recalculate the
         * memory size from the SDRAM controller setup will have to
         * get fixed.
+        * Ensure gd->ram_size end is still on a 4k page boundary.
         */
-       gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
+       gd->ram_size -= ((CONFIG_SYS_MEM_TOP_HIDE + 0xFFF) & ~(0xFFF));
 #endif

        addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
--