1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
7 #include <nuvoton_nct6102d.h>
10 #include <asm/pnp_def.h>
12 int board_early_init_f(void)
14 #ifdef CONFIG_INTERNAL_UART
15 /* Disable the legacy UART which is enabled per default */
16 nct6102d_uarta_disable();
19 * The FSP enables the BayTrail internal legacy UART (again).
20 * Disable it again, so that the Nuvoton one can be used.
22 setup_internal_uart(0);
25 /* Disable the watchdog which is enabled per default */
26 nct6102d_wdt_disable();
31 int board_late_init(void)
33 struct gpio_desc desc;
36 ret = dm_gpio_lookup_name("F10", &desc);
38 debug("gpio ret=%d\n", ret);
39 ret = dm_gpio_request(&desc, "xhci_hub_reset");
41 debug("gpio_request ret=%d\n", ret);
42 ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
44 debug("gpio dir ret=%d\n", ret);
46 /* Pull xHCI hub reset to low (active low) */
47 dm_gpio_set_value(&desc, 0);
49 /* Wait at least 5 ms, so lets choose 10 to be safe */
52 /* Pull xHCI hub reset to high (active low) */
53 dm_gpio_set_value(&desc, 1);