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