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From: Gray Remlin <g_remlin@rocketmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] Ensure gd->ram_size end stays on 4k page boundary when 'hiding' RAM
Date: Fri, 15 Oct 2010 15:51:48 +0100	[thread overview]
Message-ID: <4CB86A84.50807@rocketmail.com> (raw)

Signed-off-by: Gray Remlin <g_remlin@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;
-- 

             reply	other threads:[~2010-10-15 14:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-15 14:51 Gray Remlin [this message]
2010-10-15 15:29 ` [U-Boot] [PATCH] Ensure gd->ram_size end stays on 4k page boundary when 'hiding' RAM Ira W. Snyder

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