novena.c 4.11 KB
Newer Older
1
// SPDX-License-Identifier: GPL-2.0+
2
3
4
5
6
7
8
/*
 * Novena board support
 *
 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
 */

#include <common.h>
9
10
11
#include <dm.h>
#include <dm/device-internal.h>
#include <ahci.h>
12
#include <linux/errno.h>
13
14
15
16
17
18
19
20
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/sys_proto.h>
21
22
23
24
25
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/mach-imx/sata.h>
#include <asm/mach-imx/video.h>
26
#include <dwc_ahsata.h>
27
#include <environment.h>
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#include <fsl_esdhc.h>
#include <i2c.h>
#include <input.h>
#include <ipu_pixfmt.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <malloc.h>
#include <micrel.h>
#include <miiphy.h>
#include <mmc.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include <stdio_dev.h>

43
#include "novena.h"
44

45
DECLARE_GLOBAL_DATA_PTR;
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

/*
 * GPIO button
 */
#ifdef CONFIG_KEYBOARD
static struct input_config button_input;

static int novena_gpio_button_read_keys(struct input_config *input)
{
	int key = KEY_ENTER;
	if (gpio_get_value(NOVENA_BUTTON_GPIO))
		return 0;
	input_send_keycodes(&button_input, &key, 1);
	return 1;
}

static int novena_gpio_button_getc(struct stdio_dev *dev)
{
	return input_getc(&button_input);
}

static int novena_gpio_button_tstc(struct stdio_dev *dev)
{
	return input_tstc(&button_input);
}

static int novena_gpio_button_init(struct stdio_dev *dev)
{
	gpio_direction_input(NOVENA_BUTTON_GPIO);
	input_set_delays(&button_input, 250, 250);
	return 0;
}

int drv_keyboard_init(void)
{
	int error;
	struct stdio_dev dev = {
		.name	= "button",
Bin Meng's avatar
Bin Meng committed
84
		.flags	= DEV_FLAGS_INPUT,
85
86
87
88
89
		.start	= novena_gpio_button_init,
		.getc	= novena_gpio_button_getc,
		.tstc	= novena_gpio_button_tstc,
	};

Marek Vasut's avatar
Marek Vasut committed
90
91
	gpio_request(NOVENA_BUTTON_GPIO, "button");

92
93
94
95
96
	error = input_init(&button_input, 0);
	if (error) {
		debug("%s: Cannot set up input\n", __func__);
		return -1;
	}
Simon Glass's avatar
Simon Glass committed
97
	input_add_tables(&button_input, false);
98
99
100
101
102
103
104
105
106
107
108
109
110
	button_input.read_keys = novena_gpio_button_read_keys;

	error = input_stdio_register(&dev);
	if (error)
		return error;

	return 0;
}
#endif

int board_early_init_f(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
111
	setup_display_clock();
112
113
114
115
116
117
118
119
120
121
122
123
124
#endif

	return 0;
}

int board_init(void)
{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

	return 0;
}

125
126
127
128
129
130
131
132
int board_late_init(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
	setup_display_lvds();
#endif
	return 0;
}

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
int checkboard(void)
{
	puts("Board: Novena 4x\n");
	return 0;
}

int dram_init(void)
{
	gd->ram_size = imx_ddr_size();
	return 0;
}

/* setup board specific PMIC */
int power_init_board(void)
{
	struct pmic *p;
	u32 reg;
	int ret;

	power_pfuze100_init(1);
	p = pmic_get("PFUZE100");
	if (!p)
		return -EINVAL;

	ret = pmic_probe(p);
	if (ret)
		return ret;

	pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
	printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);

	/* Set SWBST to 5.0V and enable (for USB) */
	pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
	reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
167
	reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
	pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);

	return 0;
}

/* EEPROM configuration data */
struct novena_eeprom_data {
	uint8_t		signature[6];
	uint8_t		version;
	uint8_t		reserved;
	uint32_t	serial;
	uint8_t		mac[6];
	uint16_t	features;
};

int misc_init_r(void)
{
	struct novena_eeprom_data data;
	uchar *datap = (uchar *)&data;
	const char *signature = "Novena";
	int ret;

	/* If 'ethaddr' is already set, do nothing. */
191
	if (env_get("ethaddr"))
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
		return 0;

	/* EEPROM is at bus 2. */
	ret = i2c_set_bus_num(2);
	if (ret) {
		puts("Cannot select EEPROM I2C bus.\n");
		return 0;
	}

	/* EEPROM is at address 0x56. */
	ret = eeprom_read(0x56, 0, datap, sizeof(data));
	if (ret) {
		puts("Cannot read I2C EEPROM.\n");
		return 0;
	}

	/* Check EEPROM signature. */
	if (memcmp(data.signature, signature, 6)) {
		puts("Invalid I2C EEPROM signature.\n");
		return 0;
	}

	/* Set ethernet address from EEPROM. */
215
	eth_env_set_enetaddr("ethaddr", data.mac);
216
217
218

	return ret;
}