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- // 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;
- }
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