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t132: Add TTB_BUFFER to resource reserved

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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.

Change-Id: Idd5cd0235d50f7b9617df2cead3bf71012e3b630
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/210000
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Furquan Shaikh 2014-07-25 14:50:23 -07:00 • committed by chrome-internal-fetch
commit 670e21ed11
1 changed files with 3 additions and 0 deletions
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3
src/soc/nvidia/tegra132/soc.c
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@ -38,6 +38,9 @@ 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);
framebuffer_begin = framebuffer_attributes(&framebuffer_size);
//TODO: Frame buffer needs to handled as a carveout from the below_4G