blob: 176527b36398abc2b5e59fdf8f5be6c194f8eccb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
/* SPDX-License-Identifier: GPL-2.0-only */
#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);
}
|