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
|
/*
* linux/arch/arm/mach-omap2/board-omap3logic.c
*
* Copyright (C) 2010 Li-Pro.Net
* Stephan Linz <linz@li-pro.net>
*
* Copyright (C) 2010 Logic Product Development, Inc.
* Peter Barada <peter.barada@logicpd.com>
*
* Modified from Beagle, EVM, and RX51
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "mux.h"
#include "hsmmc.h"
#include "control.h"
#include "common-board-devices.h"
#include <plat/mux.h>
#include <plat/board.h>
#include "common.h"
#include <plat/gpmc-smsc911x.h>
#include <plat/gpmc.h>
#include <plat/sdrc.h>
#define OMAP3LOGIC_SMSC911X_CS 1
#define OMAP3530_LV_SOM_MMC_GPIO_CD 110
#define OMAP3530_LV_SOM_MMC_GPIO_WP 126
#define OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ 152
#define OMAP3_TORPEDO_MMC_GPIO_CD 127
#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3logic_vmmc1 = {
.constraints = {
.name = "VMMC1",
.min_uV = 1850000,
.max_uV = 3150000,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(omap3logic_vmmc1_supply),
.consumer_supplies = omap3logic_vmmc1_supply,
};
static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
.use_leds = true,
.pullups = BIT(1),
.pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8)
| BIT(13) | BIT(15) | BIT(16) | BIT(17),
};
static struct twl4030_platform_data omap3logic_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
.gpio = &omap3logic_gpio_data,
.vmmc1 = &omap3logic_vmmc1,
};
static int __init omap3logic_i2c_init(void)
{
omap3_pmic_init("twl4030", &omap3logic_twldata);
return 0;
}
static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
{
.name = "external",
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
},
{} /* Terminator */
};
static void __init board_mmc_init(void)
{
if (machine_is_omap3530_lv_som()) {
/* OMAP3530 LV SOM board */
board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD;
board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP;
omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT);
omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT);
} else if (machine_is_omap3_torpedo()) {
/* OMAP3 Torpedo board */
board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
} else {
/* unsupported board */
printk(KERN_ERR "%s(): unknown machine type\n", __func__);
return;
}
omap2_hsmmc_init(board_mmc_info);
}
static struct omap_smsc911x_platform_data __initdata board_smsc911x_data = {
.cs = OMAP3LOGIC_SMSC911X_CS,
.gpio_irq = -EINVAL,
.gpio_reset = -EINVAL,
};
/* TODO/FIXME (comment by Peter Barada, LogicPD):
* Fix the PBIAS voltage for Torpedo MMC1 pins that
* are used for other needs (IRQs, etc). */
static void omap3torpedo_fix_pbias_voltage(void)
{
u16 control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
u32 reg;
if (machine_is_omap3_torpedo())
{
/* Set the bias for the pin */
reg = omap_ctrl_readl(control_pbias_offset);
reg &= ~OMAP343X_PBIASLITEPWRDNZ1;
omap_ctrl_writel(reg, control_pbias_offset);
/* 100ms delay required for PBIAS configuration */
msleep(100);
reg |= OMAP343X_PBIASLITEVMODE1;
reg |= OMAP343X_PBIASLITEPWRDNZ1;
omap_ctrl_writel(reg | 0x300, control_pbias_offset);
}
}
static inline void __init board_smsc911x_init(void)
{
if (machine_is_omap3530_lv_som()) {
/* OMAP3530 LV SOM board */
board_smsc911x_data.gpio_irq =
OMAP3530_LV_SOM_SMSC911X_GPIO_IRQ;
omap_mux_init_signal("gpio_152", OMAP_PIN_INPUT);
} else if (machine_is_omap3_torpedo()) {
/* OMAP3 Torpedo board */
board_smsc911x_data.gpio_irq = OMAP3_TORPEDO_SMSC911X_GPIO_IRQ;
omap_mux_init_signal("gpio_129", OMAP_PIN_INPUT);
} else {
/* unsupported board */
printk(KERN_ERR "%s(): unknown machine type\n", __func__);
return;
}
gpmc_smsc911x_init(&board_smsc911x_data);
}
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static void __init omap3logic_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap3torpedo_fix_pbias_voltage();
omap3logic_i2c_init();
omap_serial_init();
omap_sdrc_init(NULL, NULL);
board_mmc_init();
board_smsc911x_init();
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
}
MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
.atag_offset = 0x100,
.map_io = omap3_map_io,
.init_early = omap35xx_init_early,
.init_irq = omap3_init_irq,
.init_machine = omap3logic_init,
.timer = &omap3_timer,
.restart = omap_prcm_restart,
MACHINE_END
MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
.atag_offset = 0x100,
.map_io = omap3_map_io,
.init_early = omap35xx_init_early,
.init_irq = omap3_init_irq,
.init_machine = omap3logic_init,
.timer = &omap3_timer,
.restart = omap_prcm_restart,
MACHINE_END
|
