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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "cbi.h"
#include "common.h"
#include "compile_time_macros.h"
#include "console.h"
#include "cros_board_info.h"
#include "fw_config.h"
#define CPRINTS(format, args...) cprints(CC_CHIPSET, format, ##args)
static union brya_cbi_fw_config fw_config;
BUILD_ASSERT(sizeof(fw_config) == sizeof(uint32_t));
/*
* FW_CONFIG defaults for brya if the CBI.FW_CONFIG data is not
* initialized.
*/
static const union brya_cbi_fw_config fw_config_defaults = {
.usb_db = DB_USB3_PS8815,
.kb_bl = KEYBOARD_BACKLIGHT_ENABLED,
};
/****************************************************************************
* Brya FW_CONFIG access
*/
void board_init_fw_config(void)
{
if (cbi_get_fw_config(&fw_config.raw_value)) {
CPRINTS("CBI: Read FW_CONFIG failed, using board defaults");
fw_config = fw_config_defaults;
}
if (get_board_id() == 0) {
/*
* Early boards have a zero'd out FW_CONFIG, so replace
* it with a sensible default value. If DB_USB_ABSENT2
* was used as an alternate encoding of DB_USB_ABSENT to
* avoid the zero check, then fix it.
*/
if (fw_config.raw_value == 0) {
CPRINTS("CBI: FW_CONFIG is zero, using board defaults");
fw_config = fw_config_defaults;
} else if (fw_config.usb_db == DB_USB_ABSENT2) {
fw_config.usb_db = DB_USB_ABSENT;
}
}
}
union brya_cbi_fw_config get_fw_config(void)
{
return fw_config;
}
enum ec_cfg_usb_db_type ec_cfg_usb_db_type(void)
{
return fw_config.usb_db;
}
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