/* SPDX-License-Identifier: GPL-2.0-only */ #include <arch/barrier.h> #include <cbfs.h> #include <console/console.h> #include <soc/mcu_common.h> #include <soc/symbols.h> #include <timer.h> enum cb_err mtk_init_mcu(struct mtk_mcu *mcu) { struct stopwatch sw; if (!mcu) return CB_ERR_ARG; stopwatch_init(&sw); mcu->run_size = cbfs_load(mcu->firmware_name, mcu->load_buffer, mcu->buffer_size); if (mcu->run_size == 0) { printk(BIOS_ERR, "%s: Failed to load %s\n", __func__, mcu->firmware_name); return CB_ERR; } if (mcu->run_address) { memcpy(mcu->run_address, mcu->load_buffer, mcu->run_size); /* Memory barrier to ensure data is flushed before resetting MCU. */ mb(); } if (mcu->reset) mcu->reset(mcu); printk(BIOS_DEBUG, "%s: Loaded (and reset) %s in %lld msecs (%zd bytes)\n", __func__, mcu->firmware_name, stopwatch_duration_msecs(&sw), mcu->run_size); return CB_SUCCESS; }