gimble: Initial EC image

Create the initial EC image for the gimble variant by copying
the brya reference board EC files into a new directory named for
the variant.

(Auto-Generated by create_initial_ec_image.sh version 1.5.0).

BUG=b:190334274
BRANCH=None
TEST=make BOARD=gimble

Signed-off-by: Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com>
Change-Id: Ia740667582e0f53bfc6afb37d23edf8c2d1d543e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2944517
Reviewed-by: Scott Chao <scott_chao@wistron.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: Scott Chao <scott_chao@wistron.corp-partner.google.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/board/gimble/fw_config.h b/board/gimble/fw_config.h
new file mode 100644
index 0000000000..31843e759e
--- /dev/null
+++ b/board/gimble/fw_config.h
@@ -0,0 +1,54 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef __BOARD_BRYA_FW_CONFIG_H_
+#define __BOARD_BRYA_FW_CONFIG_H_
+
+#include "stdint.h"
+
+/****************************************************************************
+ * CBI FW_CONFIG layout for Brya board.
+ *
+ * Source of truth is the project/brya/brya/config.star configuration file.
+ */
+
+enum ec_cfg_usb_db_type {
+	DB_USB_ABSENT = 0,
+	DB_USB3_PS8815 = 1,
+	DB_USB_ABSENT2 = 15
+};
+
+enum ec_cfg_keyboard_backlight_type {
+	KEYBOARD_BACKLIGHT_DISABLED = 0,
+	KEYBOARD_BACKLIGHT_ENABLED = 1
+};
+
+union brya_cbi_fw_config {
+	struct {
+		enum ec_cfg_usb_db_type			usb_db : 4;
+		uint32_t				sd_db : 2;
+		uint32_t				lte_db : 1;
+		enum ec_cfg_keyboard_backlight_type	kb_bl : 1;
+		uint32_t				audio : 3;
+		uint32_t				reserved_1 : 21;
+	};
+	uint32_t raw_value;
+};
+
+/**
+ * Read the cached FW_CONFIG.  Guaranteed to have valid values.
+ *
+ * @return the FW_CONFIG for the board.
+ */
+union brya_cbi_fw_config get_fw_config(void);
+
+/**
+ * Get the USB daughter board type from FW_CONFIG.
+ *
+ * @return the USB daughter board type.
+ */
+enum ec_cfg_usb_db_type ec_cfg_usb_db_type(void);
+
+#endif /* __BOARD_BRYA_FW_CONFIG_H_ */