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kevin: Disable MPU locking

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Our RAM / code regions aren't a power of 2, so we cannot program MPU to
precisely protect the regions we desire.

BUG=chrome-os-partner:57789
BRANCH=gru
TEST=`make buildall -j`, then burn + boot to OS.

Change-Id: I363575426ec42cbb9a0e23107baf5839f4ac684a
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/413584
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/415496
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Shawn Nematbakhsh
2016-11-22 10:57:49 -08:00
committed by chrome-bot
parent ee005bd0a1
commit 4334943353
1 changed files with 2 additions and 0 deletions
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2
board/kevin/board.h
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@@ -39,6 +39,8 @@
#define CONFIG_RAM_BASE (0x200C0000 + RAM_SHIFT_SIZE)
#undef CONFIG_RAM_SIZE
#define CONFIG_RAM_SIZE (0x00008000 - 0x800 - RAM_SHIFT_SIZE)
/* Region sizes are no longer a power of 2 so we can't enable MPU */
#undef CONFIG_MPU
/* Optional features */
#define CONFIG_BOARD_VERSION