diff options
| author | Vic (Chun-Ju) Yang <victoryang@chromium.org> | 2014-01-16 15:59:47 +0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-01-17 18:06:55 +0000 |
| commit | ca9c2744eace5c803a948502c032f99d602a0566 (patch) | |
| tree | 0aa0a46b23d7598c67063bae80213143e064906b | |
| parent | fc91a7f7fdb7f73ba96ae351e5d8d9e2d8b94958 (diff) | |
| download | chrome-ec-ca9c2744eace5c803a948502c032f99d602a0566.tar.gz | |
mec1322: disable host write to mapped memory
EMI module has the ability to set different read and write ranges. Let's
disable write on mapped memory.
BUG=chrome-os-partner:24107
TEST=Write to mapped memory has no effect
BRANCH=None
Change-Id: I88654bde9208376103d3c084ee54991d886ea4cc
Signed-off-by: Vic (Chun-Ju) Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/182795
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | chip/mec1322/lpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chip/mec1322/lpc.c b/chip/mec1322/lpc.c index 3dc39a18e6..7974940e34 100644 --- a/chip/mec1322/lpc.c +++ b/chip/mec1322/lpc.c @@ -194,7 +194,7 @@ static void setup_lpc(void) MEC1322_LPC_EMI_BAR = 0x0800800f; MEC1322_EMI_MBA0 = ptr; MEC1322_EMI_MRL0 = 0x200; - MEC1322_EMI_MWL0 = 0x200; + MEC1322_EMI_MWL0 = 0x100; /* We support LPC args and version 3 protocol */ *(lpc_get_memmap_range() + EC_MEMMAP_HOST_CMD_FLAGS) = |