Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / cros_ec_message.h

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 (file)
index 0000000..36e2d83
--- /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