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| author | Iru Cai <mytbk920423@gmail.com> | 2020-06-07 21:40:21 +0800 |
|---|---|---|
| committer | Iru Cai <mytbk920423@gmail.com> | 2020-06-25 20:44:10 +0800 |
| commit | 52ffeb512ee07601f3a63961e6fd7c22ff978c25 (patch) | |
| tree | 172a835f252c48c619da1f4f756080fcc146c475 /src/ec/dell/mec5055/early_init.c | |
| parent | 28da35417bcde79edbf826fef7d02bbfe5c714cf (diff) | |
| download | coreboot-52ffeb512ee07601f3a63961e6fd7c22ff978c25.tar.xz | |
[WIP] ec: Add support for MEC5055 for Dell laptops
This EC support code is required to boot Dell Latitude E6230 and
E7240, otherwise the laptop will shut on in a minute after powered on.
ACPI support doesn't work yet.
Change-Id: Iee68ea52dcf0242315868a46b5e4768303e30dce
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Diffstat (limited to 'src/ec/dell/mec5055/early_init.c')
| -rw-r--r-- | src/ec/dell/mec5055/early_init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/ec/dell/mec5055/early_init.c b/src/ec/dell/mec5055/early_init.c new file mode 100644 index 0000000000..f69c1deabc --- /dev/null +++ b/src/ec/dell/mec5055/early_init.c @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +#include "mec5055.h" + +void mec5055_early_init(void) +{ + u8 buf1[32]; + u8 c; + mec5055_ec_command_0(buf1, 0xc2, 0); + mec5055_ec_command_1(0xab, NULL, 0, &c, 1); +} |