30 lines
637 B
C
30 lines
637 B
C
/*
|
|
* Copyright (c) 2023 Ambiq Micro Inc. <www.ambiq.com>
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/init.h>
|
|
|
|
#include <am_mcu_apollo.h>
|
|
|
|
static int arm_apollo3_init(void)
|
|
{
|
|
/* Set the clock frequency. */
|
|
am_hal_clkgen_control(AM_HAL_CLKGEN_CONTROL_SYSCLK_MAX, 0);
|
|
|
|
/* Enable Flash cache.*/
|
|
am_hal_cachectrl_config(&am_hal_cachectrl_defaults);
|
|
am_hal_cachectrl_enable();
|
|
|
|
/* Initialize for low power in the power control block */
|
|
am_hal_pwrctrl_low_power_init();
|
|
|
|
/* Disable the RTC. */
|
|
am_hal_rtc_osc_disable();
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(arm_apollo3_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);
|