1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 2018, 2021 NXP
4 *
5 */
6
7#include <common.h>
8#include <dm.h>
9#include <image.h>
10#include <init.h>
11#include <log.h>
12#include <spl.h>
13#include <asm/global_data.h>
14#include <dm/uclass.h>
15#include <dm/device.h>
16#include <dm/uclass-internal.h>
17#include <dm/device-internal.h>
18#include <dm/lists.h>
19#include <asm/io.h>
20#include <asm/gpio.h>
21#include <firmware/imx/sci/sci.h>
22#include <asm/arch/imx8-pins.h>
23#include <asm/arch/iomux.h>
24#include <asm/arch/sys_proto.h>
25#include <asm/sections.h>
26
27DECLARE_GLOBAL_DATA_PTR;
28
29#define GPIO_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
30			 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
31			 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
32			 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
33
34#define USDHC2_SD_PWR IMX_GPIO_NR(4, 19)
35static iomux_cfg_t usdhc2_sd_pwr[] = {
36	SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(GPIO_PAD_CTRL),
37};
38
39void spl_board_init(void)
40{
41	struct udevice *dev;
42
43	uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(imx8_scu), &dev);
44
45	uclass_find_first_device(UCLASS_MISC, &dev);
46
47	for (; dev; uclass_find_next_device(&dev)) {
48		if (device_probe(dev))
49			continue;
50	}
51
52	arch_cpu_init();
53
54	board_early_init_f();
55
56	timer_init();
57
58	imx8_iomux_setup_multiple_pads(usdhc2_sd_pwr, ARRAY_SIZE(usdhc2_sd_pwr));
59	gpio_direction_output(USDHC2_SD_PWR, 0);
60
61	preloader_console_init();
62
63	puts("Normal Boot\n");
64}
65
66void spl_board_prepare_for_boot(void)
67{
68	imx8_power_off_pd_devices(NULL, 0);
69}
70
71#ifdef CONFIG_SPL_LOAD_FIT
72int board_fit_config_name_match(const char *name)
73{
74	/* Just empty function now - can't decide what to choose */
75	debug("%s: %s\n", __func__, name);
76
77	return 0;
78}
79#endif
80
81void board_init_f(ulong dummy)
82{
83	/* Clear global data */
84	memset((void *)gd, 0, sizeof(gd_t));
85
86	/* Clear the BSS. */
87	memset(__bss_start, 0, __bss_end - __bss_start);
88
89	board_init_r(NULL, 0);
90}
91