~funderscore blog cgit wiki get in touch
aboutsummaryrefslogtreecommitdiff
blob: 5df378a62e3c293e6d565c67fd33c8d679d36aa1 (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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2015 Compulab, Ltd.
 */

#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <net.h>
#include <asm/global_data.h>
#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
#include <asm/emif.h>
#include <linux/delay.h>
#include <power/pmic.h>
#include <power/tps65218.h>
#include "board.h"
#include <usb.h>
#include <asm/omap_common.h>

DECLARE_GLOBAL_DATA_PTR;

static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;

/* setup board specific PMIC */
int power_init_board(void)
{
	struct pmic *p;
	uchar tps_status = 0;

	power_tps65218_init(I2C_PMIC);
	p = pmic_get("TPS65218_PMIC");
	if (p && !pmic_probe(p)) {
		puts("PMIC:  TPS65218\n");
		/* We don't care if fseal is locked, but we do need it set */
		tps65218_lock_fseal();
		tps65218_reg_read(TPS65218_STATUS, &tps_status);
		if (!(tps_status & TPS65218_FSEAL))
			printf("WARNING: RTC not backed by battery!\n");
	}

	return 0;
}

int board_init(void)
{
	gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
	gpmc_init();
	set_i2c_pin_mux();
	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
	i2c_probe(TPS65218_CHIP_PM);

	return 0;
}

int board_usb_init(int index, enum usb_init_type init)
{
	enable_usb_clocks(index);
	return 0;
}

int board_usb_cleanup(int index, enum usb_init_type init)
{
	disable_usb_clocks(index);
	return 0;
}

#ifdef CONFIG_DRIVER_TI_CPSW

static void cpsw_control(int enabled)
{
	return;
}

static struct cpsw_slave_data cpsw_slaves[] = {
	{
		.slave_reg_ofs	= 0x208,
		.sliver_reg_ofs	= 0xd80,
		.phy_addr	= 0,
		.phy_if		= PHY_INTERFACE_MODE_RGMII,
	},
	{
		.slave_reg_ofs	= 0x308,
		.sliver_reg_ofs	= 0xdc0,
		.phy_addr	= 1,
		.phy_if		= PHY_INTERFACE_MODE_RGMII,
	},
};

static struct cpsw_platform_data cpsw_data = {
	.mdio_base		= CPSW_MDIO_BASE,
	.cpsw_base		= CPSW_BASE,
	.mdio_div		= 0xff,
	.channels		= 8,
	.cpdma_reg_ofs		= 0x800,
	.slaves			= 2,
	.slave_data		= cpsw_slaves,
	.ale_reg_ofs		= 0xd00,
	.ale_entries		= 1024,
	.host_port_reg_ofs	= 0x108,
	.hw_stats_reg_ofs	= 0x900,
	.bd_ram_ofs		= 0x2000,
	.mac_control		= (1 << 5),
	.control		= cpsw_control,
	.host_port_num		= 0,
	.version		= CPSW_CTRL_VERSION_2,
};

#define GPIO_PHY1_RST		170
#define GPIO_PHY2_RST		168

int board_phy_config(struct phy_device *phydev)
{
	unsigned short val;

	/* introduce tx clock delay */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
	val |= 0x0100;
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);

	if (phydev->drv->config)
		return phydev->drv->config(phydev);

	return 0;
}

static void board_phy_init(void)
{
	set_mdio_pin_mux();
	writel(0x40003, 0x44e10a74); /* Mux pin as clkout2 */
	writel(0x10006, 0x44df4108); /* Select EXTDEV as clock source */
	writel(0x4, 0x44df2e60); /* Set EXTDEV as MNbypass */

	/* For revision A */
	writel(0x2000009, 0x44df2e6c);
	writel(0x38a, 0x44df2e70);

	mdelay(10);

	gpio_request(GPIO_PHY1_RST, "phy1_rst");
	gpio_request(GPIO_PHY2_RST, "phy2_rst");
	gpio_direction_output(GPIO_PHY1_RST, 0);
	gpio_direction_output(GPIO_PHY2_RST, 0);
	mdelay(2);

	gpio_set_value(GPIO_PHY1_RST, 1);
	gpio_set_value(GPIO_PHY2_RST, 1);
	mdelay(2);
}

int board_eth_init(struct bd_info *bis)
{
	int rv;

	set_rgmii_pin_mux();
	writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel);
	board_phy_init();

	rv = cpsw_register(&cpsw_data);
	if (rv < 0)
		printf("Error %d registering CPSW switch\n", rv);

	return rv;
}
#endif