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| author | Louis Yung-Chieh Lo <yjlou@chromium.org> | 2012-10-09 17:30:16 +0800 |
|---|---|---|
| committer | Gerrit <chrome-bot@google.com> | 2012-11-04 20:27:57 -0800 |
| commit | 25bbb6b5dec3e0eb9672e6d3e0acf032f9e8d8d1 (patch) | |
| tree | 40a23648aaea55d7d3f28897d88504ea7d155a14 /include/i8042_protocol.h | |
| parent | 4f410f5468c1ce813450485753ae6f77bca8b7cd (diff) | |
| download | chrome-ec-25bbb6b5dec3e0eb9672e6d3e0acf032f9e8d8d1.tar.gz | |
More supports for A20 enable/disable
Add i8042 output port commands (0xf0-0xff), I8042_ENABLE_A20 and
I8042_DISABLE_A20.
BUG=chrome-os-partner:13119,
BRANCH=None
TEST=Tested on W7 installer. No KB error shown on EC console.
Change-Id: I9ad1fd7baa10683ef18ccf13faf09dc0cefcca0a
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/34994
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Diffstat (limited to 'include/i8042_protocol.h')
| -rw-r--r-- | include/i8042_protocol.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/i8042_protocol.h b/include/i8042_protocol.h index 961d3e337c..eecdafc476 100644 --- a/include/i8042_protocol.h +++ b/include/i8042_protocol.h @@ -55,11 +55,15 @@ #define I8042_TEST_KB_PORT 0xab #define I8042_DIS_KB 0xad #define I8042_ENA_KB 0xae +#define I8042_READ_OUTPUT_PORT 0xd0 +#define I8042_WRITE_OUTPUT_PORT 0xd1 #define I8042_ECHO_MOUSE 0xd3 /* expect a byte on port 0x60 */ #define I8042_SEND_TO_MOUSE 0xd4 /* expect a byte on port 0x60 */ +#define I8042_DISABLE_A20 0xdd +#define I8042_ENABLE_A20 0xdf #define I8042_PULSE_START 0xf0 -#define I8042_PULSE_END 0xfd #define I8042_SYSTEM_RESET 0xfe +#define I8042_PULSE_END 0xff /* port 0x60 return value */ #define I8042_RET_BAT 0xaa |