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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Novena board support
*
* Copyright (C) 2014 Marek Vasut <marex@denx.de>
*/
#include <common.h>
#include <linux/errno.h>
#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>
#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>
#include <environment.h>
#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>
#include "novena.h"
DECLARE_GLOBAL_DATA_PTR;
/*
* 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",
.flags = DEV_FLAGS_INPUT,
.start = novena_gpio_button_init,
.getc = novena_gpio_button_getc,
.tstc = novena_gpio_button_tstc,
};
error = input_init(&button_input, 0);
if (error) {
debug("%s: Cannot set up input\n", __func__);
return -1;
}
input_add_tables(&button_input, false);
button_input.read_keys = novena_gpio_button_read_keys;
error = input_stdio_register(&dev);
if (error)
return error;
return 0;
}
#endif
/*
* SDHC
*/
#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[] = {
{ USDHC3_BASE_ADDR, 0, 4 }, /* Micro SD */
{ USDHC2_BASE_ADDR, 0, 4 }, /* Big SD */
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
/* There is no CD for a microSD card, assume always present. */
if (cfg->esdhc_base == USDHC3_BASE_ADDR)
return 1;
else
return !gpio_get_value(NOVENA_SD_CD);
}
int board_mmc_getwp(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
/* There is no WP for a microSD card, assume always read-write. */
if (cfg->esdhc_base == USDHC3_BASE_ADDR)
return 0;
else
return gpio_get_value(NOVENA_SD_WP);
}
int board_mmc_init(bd_t *bis)
{
s32 status = 0;
int index;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
/* Big SD write-protect and card-detect */
gpio_direction_input(NOVENA_SD_WP);
gpio_direction_input(NOVENA_SD_CD);
for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) {
status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
if (status)
return status;
}
return status;
}
#endif
int board_early_init_f(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
setup_display_clock();
#endif
return 0;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SATA
setup_sata();
#endif
return 0;
}
int board_late_init(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
setup_display_lvds();
#endif
return 0;
}
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, ®);
printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
/* Set SWBST to 5.0V and enable (for USB) */
pmic_reg_read(p, PFUZE100_SWBSTCON1, ®);
reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
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. */
if (env_get("ethaddr"))
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. */
eth_env_set_enetaddr("ethaddr", data.mac);
return ret;
}
|
