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
|
/*
* Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx50.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include "devices-imx50.h"
#define FEC_EN IMX_GPIO_NR(6, 23)
#define FEC_RESET_B IMX_GPIO_NR(4, 12)
static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = {
/* SD1 */
MX50_PAD_ECSPI2_SS0__GPIO_4_19,
MX50_PAD_EIM_CRE__GPIO_1_27,
MX50_PAD_SD1_CMD__SD1_CMD,
MX50_PAD_SD1_CLK__SD1_CLK,
MX50_PAD_SD1_D0__SD1_D0,
MX50_PAD_SD1_D1__SD1_D1,
MX50_PAD_SD1_D2__SD1_D2,
MX50_PAD_SD1_D3__SD1_D3,
/* SD2 */
MX50_PAD_SD2_CD__GPIO_5_17,
MX50_PAD_SD2_WP__GPIO_5_16,
MX50_PAD_SD2_CMD__SD2_CMD,
MX50_PAD_SD2_CLK__SD2_CLK,
MX50_PAD_SD2_D0__SD2_D0,
MX50_PAD_SD2_D1__SD2_D1,
MX50_PAD_SD2_D2__SD2_D2,
MX50_PAD_SD2_D3__SD2_D3,
MX50_PAD_SD2_D4__SD2_D4,
MX50_PAD_SD2_D5__SD2_D5,
MX50_PAD_SD2_D6__SD2_D6,
MX50_PAD_SD2_D7__SD2_D7,
/* SD3 */
MX50_PAD_SD3_CMD__SD3_CMD,
MX50_PAD_SD3_CLK__SD3_CLK,
MX50_PAD_SD3_D0__SD3_D0,
MX50_PAD_SD3_D1__SD3_D1,
MX50_PAD_SD3_D2__SD3_D2,
MX50_PAD_SD3_D3__SD3_D3,
MX50_PAD_SD3_D4__SD3_D4,
MX50_PAD_SD3_D5__SD3_D5,
MX50_PAD_SD3_D6__SD3_D6,
MX50_PAD_SD3_D7__SD3_D7,
/* PWR_INT */
MX50_PAD_ECSPI2_MISO__GPIO_4_18,
/* UART pad setting */
MX50_PAD_UART1_TXD__UART1_TXD,
MX50_PAD_UART1_RXD__UART1_RXD,
MX50_PAD_UART1_RTS__UART1_RTS,
MX50_PAD_UART2_TXD__UART2_TXD,
MX50_PAD_UART2_RXD__UART2_RXD,
MX50_PAD_UART2_CTS__UART2_CTS,
MX50_PAD_UART2_RTS__UART2_RTS,
MX50_PAD_I2C1_SCL__I2C1_SCL,
MX50_PAD_I2C1_SDA__I2C1_SDA,
MX50_PAD_I2C2_SCL__I2C2_SCL,
MX50_PAD_I2C2_SDA__I2C2_SDA,
MX50_PAD_EPITO__USBH1_PWR,
/* Need to comment below line if
* one needs to debug owire.
*/
MX50_PAD_OWIRE__USBH1_OC,
/* using gpio to control otg pwr */
MX50_PAD_PWM2__GPIO_6_25,
MX50_PAD_I2C3_SCL__USBOTG_OC,
MX50_PAD_SSI_RXC__FEC_MDIO,
MX50_PAD_SSI_RXFS__FEC_MDC,
MX50_PAD_DISP_D0__FEC_TXCLK,
MX50_PAD_DISP_D1__FEC_RX_ER,
MX50_PAD_DISP_D2__FEC_RX_DV,
MX50_PAD_DISP_D3__FEC_RXD1,
MX50_PAD_DISP_D4__FEC_RXD0,
MX50_PAD_DISP_D5__FEC_TX_EN,
MX50_PAD_DISP_D6__FEC_TXD1,
MX50_PAD_DISP_D7__FEC_TXD0,
MX50_PAD_I2C3_SDA__GPIO_6_23,
MX50_PAD_ECSPI1_SCLK__GPIO_4_12,
MX50_PAD_CSPI_SS0__CSPI_SS0,
MX50_PAD_ECSPI1_MOSI__CSPI_SS1,
MX50_PAD_CSPI_MOSI__CSPI_MOSI,
MX50_PAD_CSPI_MISO__CSPI_MISO,
/* SGTL500_OSC_EN */
MX50_PAD_UART1_CTS__GPIO_6_8,
/* SGTL_AMP_SHDN */
MX50_PAD_UART3_RXD__GPIO_6_15,
/* Keypad */
MX50_PAD_KEY_COL0__KEY_COL0,
MX50_PAD_KEY_ROW0__KEY_ROW0,
MX50_PAD_KEY_COL1__KEY_COL1,
MX50_PAD_KEY_ROW1__KEY_ROW1,
MX50_PAD_KEY_COL2__KEY_COL2,
MX50_PAD_KEY_ROW2__KEY_ROW2,
MX50_PAD_KEY_COL3__KEY_COL3,
MX50_PAD_KEY_ROW3__KEY_ROW3,
MX50_PAD_EIM_DA0__KEY_COL4,
MX50_PAD_EIM_DA1__KEY_ROW4,
MX50_PAD_EIM_DA2__KEY_COL5,
MX50_PAD_EIM_DA3__KEY_ROW5,
MX50_PAD_EIM_DA4__KEY_COL6,
MX50_PAD_EIM_DA5__KEY_ROW6,
MX50_PAD_EIM_DA6__KEY_COL7,
MX50_PAD_EIM_DA7__KEY_ROW7,
/*EIM pads */
MX50_PAD_EIM_DA8__GPIO_1_8,
MX50_PAD_EIM_DA9__GPIO_1_9,
MX50_PAD_EIM_DA10__GPIO_1_10,
MX50_PAD_EIM_DA11__GPIO_1_11,
MX50_PAD_EIM_DA12__GPIO_1_12,
MX50_PAD_EIM_DA13__GPIO_1_13,
MX50_PAD_EIM_DA14__GPIO_1_14,
MX50_PAD_EIM_DA15__GPIO_1_15,
MX50_PAD_EIM_CS2__GPIO_1_16,
MX50_PAD_EIM_CS1__GPIO_1_17,
MX50_PAD_EIM_CS0__GPIO_1_18,
MX50_PAD_EIM_EB0__GPIO_1_19,
MX50_PAD_EIM_EB1__GPIO_1_20,
MX50_PAD_EIM_WAIT__GPIO_1_21,
MX50_PAD_EIM_BCLK__GPIO_1_22,
MX50_PAD_EIM_RDY__GPIO_1_23,
MX50_PAD_EIM_OE__GPIO_1_24,
};
/* Serial ports */
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static const struct fec_platform_data fec_data __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
static inline void mx50_rdp_fec_reset(void)
{
gpio_request(FEC_EN, "fec-en");
gpio_direction_output(FEC_EN, 0);
gpio_request(FEC_RESET_B, "fec-reset_b");
gpio_direction_output(FEC_RESET_B, 0);
msleep(1);
gpio_set_value(FEC_RESET_B, 1);
}
static const struct imxi2c_platform_data i2c_data __initconst = {
.bitrate = 100000,
};
/*
* Board specific initialization.
*/
static void __init mx50_rdp_board_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx50_rdp_pads,
ARRAY_SIZE(mx50_rdp_pads));
imx50_add_imx_uart(0, &uart_pdata);
imx50_add_imx_uart(1, &uart_pdata);
mx50_rdp_fec_reset();
imx50_add_fec(&fec_data);
imx50_add_imx_i2c(0, &i2c_data);
imx50_add_imx_i2c(1, &i2c_data);
imx50_add_imx_i2c(2, &i2c_data);
}
static void __init mx50_rdp_timer_init(void)
{
mx50_clocks_init(32768, 24000000, 22579200);
}
static struct sys_timer mx50_rdp_timer = {
.init = mx50_rdp_timer_init,
};
MACHINE_START(MX50_RDP, "Freescale MX50 Reference Design Platform")
.map_io = mx50_map_io,
.init_early = imx50_init_early,
.init_irq = mx50_init_irq,
.timer = &mx50_rdp_timer,
.init_machine = mx50_rdp_board_init,
MACHINE_END
|
