summaryrefslogtreecommitdiff
path: root/board/broadcom/bcm28155_ap/bcm28155_ap.c
blob: e3bf808d7e24f0eb61445dce634a161b439101fa (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
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2013 Broadcom Corporation.
 */

#include <common.h>
#include <init.h>
#include <log.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <env.h>
#include <mmc.h>
#include <asm/kona-common/kona_sdhci.h>
#include <asm/kona-common/clk.h>
#include <asm/arch/sysmap.h>

#include <usb.h>
#include <usb/dwc2_udc.h>
#include <g_dnl.h>

#define SECWATCHDOG_SDOGCR_OFFSET	0x00000000
#define SECWATCHDOG_SDOGCR_EN_SHIFT	27
#define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT	26
#define SECWATCHDOG_SDOGCR_CLKS_SHIFT	20
#define SECWATCHDOG_SDOGCR_LD_SHIFT	0

#ifndef CONFIG_USB_SERIALNO
#define CONFIG_USB_SERIALNO "1234567890"
#endif

DECLARE_GLOBAL_DATA_PTR;

/*
 * board_init - early hardware init
 */
int board_init(void)
{
	printf("Relocation Offset is: %08lx\n", gd->reloc_off);

	/* adress of boot parameters */
	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;

	clk_init();

	return 0;
}

/*
 * misc_init_r - miscellaneous platform dependent initializations
 */
int misc_init_r(void)
{
	/* Disable watchdog reset - watchdog unused */
	writel((0 << SECWATCHDOG_SDOGCR_EN_SHIFT) |
	       (0 << SECWATCHDOG_SDOGCR_SRSTEN_SHIFT) |
	       (4 << SECWATCHDOG_SDOGCR_CLKS_SHIFT) |
	       (0x5a0 << SECWATCHDOG_SDOGCR_LD_SHIFT),
	       (SECWD_BASE_ADDR + SECWATCHDOG_SDOGCR_OFFSET));

	return 0;
}

/*
 * dram_init - sets uboots idea of sdram size
 */
int dram_init(void)
{
	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
				    CONFIG_SYS_SDRAM_SIZE);
	return 0;
}

/* This is called after dram_init() so use get_ram_size result */
int dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
	gd->bd->bi_dram[0].size = gd->ram_size;

	return 0;
}

#ifdef CONFIG_MMC_SDHCI_KONA
/*
 * mmc_init - Initializes mmc
 */
int board_mmc_init(bd_t *bis)
{
	int ret = 0;

	/* Register eMMC - SDIO2 */
	ret = kona_sdhci_init(1, 400000, 0);
	if (ret)
		return ret;

	/* Register SD Card - SDIO4 kona_mmc_init assumes 0 based index */
	ret = kona_sdhci_init(3, 400000, 0);
	return ret;
}
#endif

#ifdef CONFIG_USB_GADGET
static struct dwc2_plat_otg_data bcm_otg_data = {
	.regs_otg	= HSOTG_BASE_ADDR
};

int board_usb_init(int index, enum usb_init_type init)
{
	debug("%s: performing dwc2_udc_probe\n", __func__);
	return dwc2_udc_probe(&bcm_otg_data);
}

int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
	debug("%s\n", __func__);
	if (!env_get("serial#"))
		g_dnl_set_serialnumber(CONFIG_USB_SERIALNO);
	return 0;
}

int g_dnl_get_board_bcd_device_number(int gcnum)
{
	debug("%s\n", __func__);
	return 1;
}

int board_usb_cleanup(int index, enum usb_init_type init)
{
	debug("%s\n", __func__);
	return 0;
}
#endif