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soc: arm: ambiq: apollo4: add simobuck init to apollo4 init

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Adds comments and simobuck init function for low power.

Signed-off-by: Richard Wheatley <richard.wheatley@ambiq.com>
This commit is contained in:
Richard Wheatley 2023-09-05 09:54:39 -05:00 • committed by Carles Cufí
commit a92008c17d
1 changed files with 7 additions and 0 deletions
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7
soc/arm/ambiq/apollo4x/soc.c
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@ -10,7 +10,14 @@
static int arm_apollo4_init(void)
{
/* Initialize for low power in the power control block */
am_hal_pwrctrl_low_power_init();
/* Enable SIMOBUCK for the Apollo4 Family */
am_hal_pwrctrl_control(AM_HAL_PWRCTRL_CONTROL_SIMOBUCK_INIT, 0);
/* Disable the RTC. */
am_hal_rtc_osc_disable();
return 0;