58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2016 Stefan Roese <sr@denx.de>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <init.h>
|
||
|
|
#include <nuvoton_nct6102d.h>
|
||
|
|
#include <asm/gpio.h>
|
||
|
|
#include <asm/ibmpc.h>
|
||
|
|
#include <asm/pnp_def.h>
|
||
|
|
|
||
|
|
int board_early_init_f(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_INTERNAL_UART
|
||
|
|
/* Disable the legacy UART which is enabled per default */
|
||
|
|
nct6102d_uarta_disable();
|
||
|
|
#else
|
||
|
|
/*
|
||
|
|
* The FSP enables the BayTrail internal legacy UART (again).
|
||
|
|
* Disable it again, so that the Nuvoton one can be used.
|
||
|
|
*/
|
||
|
|
setup_internal_uart(0);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Disable the watchdog which is enabled per default */
|
||
|
|
nct6102d_wdt_disable();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int board_late_init(void)
|
||
|
|
{
|
||
|
|
struct gpio_desc desc;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = dm_gpio_lookup_name("F10", &desc);
|
||
|
|
if (ret)
|
||
|
|
debug("gpio ret=%d\n", ret);
|
||
|
|
ret = dm_gpio_request(&desc, "xhci_hub_reset");
|
||
|
|
if (ret)
|
||
|
|
debug("gpio_request ret=%d\n", ret);
|
||
|
|
ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
|
||
|
|
if (ret)
|
||
|
|
debug("gpio dir ret=%d\n", ret);
|
||
|
|
|
||
|
|
/* Pull xHCI hub reset to low (active low) */
|
||
|
|
dm_gpio_set_value(&desc, 0);
|
||
|
|
|
||
|
|
/* Wait at least 5 ms, so lets choose 10 to be safe */
|
||
|
|
mdelay(10);
|
||
|
|
|
||
|
|
/* Pull xHCI hub reset to high (active low) */
|
||
|
|
dm_gpio_set_value(&desc, 1);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|