Open Menu / board / engicam / imx8mm / spl.c
Loading...
 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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2020 Engicam s.r.l.
 * Copyright (C) 2020 Amarula Solutions(India)
 * Author: Jagan Teki <jagan@amarulasolutions.com>
 */

#include <hang.h>
#include <init.h>
#include <log.h>
#include <spl.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx8mm_pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/arch/ddr.h>
#include <asm/sections.h>

int spl_board_boot_device(enum boot_device boot_dev_spl)
{
	switch (boot_dev_spl) {
	case SD1_BOOT:
	case SD2_BOOT:
	case MMC2_BOOT:
		return BOOT_DEVICE_MMC1;
	case SD3_BOOT:
	case MMC3_BOOT:
		return BOOT_DEVICE_MMC2;
	default:
		return BOOT_DEVICE_NONE;
	}
}

static void spl_dram_init(void)
{
	ddr_init(&dram_timing);
}

void spl_board_init(void)
{
	debug("Normal Boot\n");
}

#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
	/* Just empty function now - can't decide what to choose */
	debug("%s: %s\n", __func__, name);

	return 0;
}
#endif

void board_init_f(ulong dummy)
{
	int ret;

	arch_cpu_init();

	init_uart_clk(1);

	timer_init();

	/* Clear the BSS. */
	memset(__bss_start, 0, __bss_end - __bss_start);

	ret = spl_early_init();
	if (ret) {
		debug("spl_early_init() failed: %d\n", ret);
		hang();
	}

	preloader_console_init();

	enable_tzc380();

	/* DDR initialization */
	spl_dram_init();

	board_init_r(NULL, 0);
}