2 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
4 * SPDX-License-Identifier: GPL-2.0+
8 #include <nuvoton_nct6102d.h>
10 #include <asm/ibmpc.h>
11 #include <asm/pnp_def.h>
13 int board_early_init_f(void)
15 #ifdef CONFIG_INTERNAL_UART
16 /* Disable the legacy UART which is enabled per default */
17 nct6102d_uarta_disable();
20 * The FSP enables the BayTrail internal legacy UART (again).
21 * Disable it again, so that the Nuvoton one can be used.
23 setup_internal_uart(0);
26 /* Disable the watchdog which is enabled per default */
27 nct6102d_wdt_disable();
32 int board_late_init(void)
34 struct gpio_desc desc;
37 ret = dm_gpio_lookup_name("F10", &desc);
39 debug("gpio ret=%d\n", ret);
40 ret = dm_gpio_request(&desc, "xhci_hub_reset");
42 debug("gpio_request ret=%d\n", ret);
43 ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
45 debug("gpio dir ret=%d\n", ret);
47 /* Pull xHCI hub reset to low (active low) */
48 dm_gpio_set_value(&desc, 0);
50 /* Wait at least 5 ms, so lets choose 10 to be safe */
53 /* Pull xHCI hub reset to high (active low) */
54 dm_gpio_set_value(&desc, 1);