summaryrefslogtreecommitdiffstats
path: root/board/renesas/koelsch/koelsch.c
blob: 10fa571d07fa607d1f3b2e7becb5e14da7a7b1f0 (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
/*
 * board/renesas/koelsch/koelsch.c
 *
 * Copyright (C) 2013 Renesas Electronics Corporation
 *
 * SPDX-License-Identifier: GPL-2.0
 *
 */

#include <common.h>
#include <malloc.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
#include <netdev.h>
#include <miiphy.h>
#include <i2c.h>
#include <div64.h>
#include "qos.h"

DECLARE_GLOBAL_DATA_PTR;

#define CLK2MHZ(clk)	(clk / 1000 / 1000)
void s_init(void)
{
	struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
	struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
	u32 stc;

	/* Watchdog init */
	writel(0xA5A5A500, &rwdt->rwtcsra);
	writel(0xA5A5A500, &swdt->swtcsra);

	/* CPU frequency setting. Set to 1.5GHz */
	stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
	clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);

	/* QoS */
	qos_init();
}

#define TMU0_MSTP125	(1 << 25)
#define SCIF0_MSTP721	(1 << 21)
#define ETHER_MSTP813	(1 << 13)

int board_early_init_f(void)
{
	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);

	/* SCIF0 */
	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);

	/* ETHER */
	mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);

	return 0;
}

/* LSI pin pull-up control */
#define PUPR5 0xe6060114
#define PUPR5_ETH 0x3FFC0000
#define PUPR5_ETH_MAGIC	(1 << 27)
int board_init(void)
{
	/* adress of boot parameters */
	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;

	/* Init PFC controller */
	r8a7791_pinmux_init();

	/* ETHER Enable */
	gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
	gpio_request(GPIO_FN_ETH_RX_ER, NULL);
	gpio_request(GPIO_FN_ETH_RXD0, NULL);
	gpio_request(GPIO_FN_ETH_RXD1, NULL);
	gpio_request(GPIO_FN_ETH_LINK, NULL);
	gpio_request(GPIO_FN_ETH_REFCLK, NULL);
	gpio_request(GPIO_FN_ETH_MDIO, NULL);
	gpio_request(GPIO_FN_ETH_TXD1, NULL);
	gpio_request(GPIO_FN_ETH_TX_EN, NULL);
	gpio_request(GPIO_FN_ETH_TXD0, NULL);
	gpio_request(GPIO_FN_ETH_MDC, NULL);
	gpio_request(GPIO_FN_IRQ0, NULL);

	mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
	gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
	mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);

	gpio_direction_output(GPIO_GP_5_22, 0);
	mdelay(20);
	gpio_set_value(GPIO_GP_5_22, 1);
	udelay(1);

	return 0;
}

#define CXR24 0xEE7003C0 /* MAC address high register */
#define CXR25 0xEE7003C8 /* MAC address low register */
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SH_ETHER
	int ret = -ENODEV;
	u32 val;
	unsigned char enetaddr[6];

	ret = sh_eth_initialize(bis);
	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
		return ret;

	/* Set Mac address */
	val = enetaddr[0] << 24 | enetaddr[1] << 16 |
		enetaddr[2] << 8 | enetaddr[3];
	writel(val, CXR24);

	val = enetaddr[4] << 8 | enetaddr[5];
	writel(val, CXR25);

	return ret;
#else
	return 0;
#endif
}

int dram_init(void)
{
	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;

	return 0;
}

/* koelsch has KSZ8041NL/RNL */
#define PHY_CONTROL1	0x1E
#define PHY_LED_MODE	0xC0000
#define PHY_LED_MODE_ACK	0x4000
int board_phy_config(struct phy_device *phydev)
{
	int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
	ret &= ~PHY_LED_MODE;
	ret |= PHY_LED_MODE_ACK;
	ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);

	return 0;
}

const struct rmobile_sysinfo sysinfo = {
	CONFIG_RMOBILE_BOARD_STRING
};

void reset_cpu(ulong addr)
{
	u8 val;

	i2c_set_bus_num(2); /* PowerIC connected to ch2 */
	i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
	val |= 0x02;
	i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}
OpenPOWER on IntegriCloud