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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 <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/210000
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 670e21ed11f985ca6cfef4f051c71b3c06f9c6ff)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: Ifcbdd4fdaad0bd4bfe384698b13cc5013317345e
Reviewed-on: http://review.coreboot.org/8681
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2014-07-25 14:50:23 -07:00 committed by Marc Jones
parent f4731afb9d
commit c800129009
1 changed files with 4 additions and 0 deletions
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4
src/soc/nvidia/tegra132/soc.c
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@ -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++, 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 * TODO: Frame buffer needs to handled as a carveout from the below_4G
* uintptr_t framebuffer_begin = framebuffer_attributes(&framebuffer_size); * uintptr_t framebuffer_begin = framebuffer_attributes(&framebuffer_size);