blob: 50cf6dc987e572c26069523218323358619ccc81 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Stefan Roese <sr@denx.de>
*/
#include <common.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;
}
|
