| /* 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(4); | |
| gpio_output(GPP_A12, 1); | |
| } |