diff options
| author | Sean Rhodes <sean@starlabs.systems> | 2021-10-14 20:58:15 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-11-22 14:46:20 +0000 |
| commit | 296994bec80d27c0dc1f155530fd495fa00bda6c (patch) | |
| tree | 94049a26b84e3c92e32ece723f0291f21fc29542 /src/ec/starlabs/merlin/variants/tgl/ecdefs.h | |
| parent | 6973a3e7c481efc89845ecc3c78d7994a3e48b3c (diff) | |
ec/starlabs: Add standardised ITE EC support
Add EC support that supports different Q Events and EC memory.
Created from the ITE IT5570E and IT8987E datasheets, all using
data port 0x4e.
Tested with Ubuntu 20.04.3 and Windows 10 on:
* StarBook Mk V (TGL + IT5570E):
* ITE Firmware 1.00
* Merlin Firmware 1.00
* LabTop Mk IV (CML + IT8987E):
* ITE Firmware 1.04
* LabTop Mk III (KBL + IT8987E):
* ITE Firmware 3.12
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I8023c26de23c874c84106fda96e64dcfa0c5ba32
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58343
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Andy Pont <andy.pont@sdcsystems.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/ec/starlabs/merlin/variants/tgl/ecdefs.h')
| -rw-r--r-- | src/ec/starlabs/merlin/variants/tgl/ecdefs.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/ec/starlabs/merlin/variants/tgl/ecdefs.h b/src/ec/starlabs/merlin/variants/tgl/ecdefs.h new file mode 100644 index 0000000000..3441bc073f --- /dev/null +++ b/src/ec/starlabs/merlin/variants/tgl/ecdefs.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* + * EC communication interface for ITE Embedded Controller + */ + +#ifndef _EC_STARLABS_TGL_EC_DEFS_H +#define _EC_STARLABS_TGL_EC_DEFS_H + +/* IT5570 chip ID byte values */ +#define ITE_CHIPID_VAL 0x5570 + +/* EC RAM offsets */ +#define ECRAM_KBL_BRIGHTNESS 0x09 +#define ECRAM_KBL_TIMEOUT 0x10 +#define ECRAM_KBL_STATE 0x0a +#define ECRAM_TRACKPAD_STATE 0x0c +#define ECRAM_FN_LOCK_STATE 0x0f +#define ECRAM_FN_CTRL_REVERSE 0x17 +#define ECRAM_MAX_CHARGE 0x1a +#define ECRAM_FAN_MODE 0x1b + +#endif |