/* SPDX-License-Identifier: GPL-2.0-or-later */ | |
#include <delay.h> | |
#include <gpio.h> | |
#include <baseboard/variants.h> | |
#include <soc/gpio.h> | |
void variant_ramstage_init(void) | |
{ | |
/* | |
* Enable power to FPMCU, wait for power rail to stabilize, | |
* and then deassert FPMCU reset. | |
* Waiting for the power rail to stabilize can take a while, | |
* a minimum of 400us on Kohaku. | |
*/ | |
gpio_output(GPP_C11, 1); | |
mdelay(1); | |
gpio_output(GPP_A12, 1); | |
} |