diff options
| author |   Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
| commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
| tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/include/cros_ec_message.h | |
| parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) | |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/include/cros_ec_message.h')
| -rw-r--r-- | qemu/roms/u-boot/include/cros_ec_message.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/include/cros_ec_message.h b/qemu/roms/u-boot/include/cros_ec_message.h new file mode 100644 index 000000000..36e2d83ce --- /dev/null +++ b/qemu/roms/u-boot/include/cros_ec_message.h @@ -0,0 +1,29 @@ +/* + * Chromium OS Matrix Keyboard Message Protocol definitions + * + * Copyright (c) 2012 The Chromium OS Authors. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _CROS_MESSAGE_H +#define _CROS_MESSAGE_H + +/* + * Command interface between EC and AP, for LPC, I2C and SPI interfaces. + * + * This is copied from the Chromium OS Open Source Embedded Controller code. + */ +enum { + /* The header byte, which follows the preamble */ + MSG_HEADER = 0xec, + + MSG_HEADER_BYTES = 3, + MSG_TRAILER_BYTES = 2, + MSG_PROTO_BYTES = MSG_HEADER_BYTES + MSG_TRAILER_BYTES, + + /* Max length of messages */ + MSG_BYTES = EC_PROTO2_MAX_PARAM_SIZE + MSG_PROTO_BYTES, +}; + +#endif |