From c8001290097b5b687953dc54f1ac167b16951668 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Fri, 25 Jul 2014 14:50:23 -0700 Subject: t132: Add TTB_BUFFER to resource reserved TTB_BUFFER holds the MMU tables. Thus, this memory needs to be preserved while performing a wipe in depthcharge. Hence, marking it as reserved BUG=None BRANCH=None TEST=Compiles successfully and boots upto depthcharge. Error wiping memory tables is fixed. Original-Change-Id: Idd5cd0235d50f7b9617df2cead3bf71012e3b630 Original-Signed-off-by: Furquan Shaikh Original-Reviewed-on: https://chromium-review.googlesource.com/210000 Original-Tested-by: Furquan Shaikh Original-Reviewed-by: Aaron Durbin Original-Commit-Queue: Aaron Durbin (cherry picked from commit 670e21ed11f985ca6cfef4f051c71b3c06f9c6ff) Signed-off-by: Marc Jones Change-Id: Ifcbdd4fdaad0bd4bfe384698b13cc5013317345e Reviewed-on: http://review.coreboot.org/8681 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/nvidia/tegra132/soc.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/soc') diff --git a/src/soc/nvidia/tegra132/soc.c b/src/soc/nvidia/tegra132/soc.c index 3a419bc72a..f4ef92894f 100644 --- a/src/soc/nvidia/tegra132/soc.c +++ b/src/soc/nvidia/tegra132/soc.c @@ -38,6 +38,10 @@ static void soc_read_resources(device_t dev) reserved_ram_resource(dev, index++, begin * KiB, size * KiB); } + reserved_ram_resource(dev, index++, CONFIG_TTB_BUFFER / KiB, + CONFIG_TTB_SIZE / KiB); + + /* * TODO: Frame buffer needs to handled as a carveout from the below_4G * uintptr_t framebuffer_begin = framebuffer_attributes(&framebuffer_size); -- cgit v1.2.3