| /* 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; |
| } |