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
|
/*
* Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
*
* 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.
*/
/*
* This machine is known as:
* - i.MX25 3-Stack Development System
* - i.MX25 Platform Development Kit (i.MX25 PDK)
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/usb/otg.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/mx25.h>
#include <mach/iomux-mx25.h>
#include "devices-imx25.h"
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static iomux_v3_cfg_t mx25pdk_pads[] = {
MX25_PAD_FEC_MDC__FEC_MDC,
MX25_PAD_FEC_MDIO__FEC_MDIO,
MX25_PAD_FEC_TDATA0__FEC_TDATA0,
MX25_PAD_FEC_TDATA1__FEC_TDATA1,
MX25_PAD_FEC_TX_EN__FEC_TX_EN,
MX25_PAD_FEC_RDATA0__FEC_RDATA0,
MX25_PAD_FEC_RDATA1__FEC_RDATA1,
MX25_PAD_FEC_RX_DV__FEC_RX_DV,
MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
/* LCD */
MX25_PAD_LD0__LD0,
MX25_PAD_LD1__LD1,
MX25_PAD_LD2__LD2,
MX25_PAD_LD3__LD3,
MX25_PAD_LD4__LD4,
MX25_PAD_LD5__LD5,
MX25_PAD_LD6__LD6,
MX25_PAD_LD7__LD7,
MX25_PAD_LD8__LD8,
MX25_PAD_LD9__LD9,
MX25_PAD_LD10__LD10,
MX25_PAD_LD11__LD11,
MX25_PAD_LD12__LD12,
MX25_PAD_LD13__LD13,
MX25_PAD_LD14__LD14,
MX25_PAD_LD15__LD15,
MX25_PAD_GPIO_E__LD16,
MX25_PAD_GPIO_F__LD17,
MX25_PAD_HSYNC__HSYNC,
MX25_PAD_VSYNC__VSYNC,
MX25_PAD_LSCLK__LSCLK,
MX25_PAD_OE_ACD__OE_ACD,
MX25_PAD_CONTRAST__CONTRAST,
/* Keypad */
MX25_PAD_KPP_ROW0__KPP_ROW0,
MX25_PAD_KPP_ROW1__KPP_ROW1,
MX25_PAD_KPP_ROW2__KPP_ROW2,
MX25_PAD_KPP_ROW3__KPP_ROW3,
MX25_PAD_KPP_COL0__KPP_COL0,
MX25_PAD_KPP_COL1__KPP_COL1,
MX25_PAD_KPP_COL2__KPP_COL2,
MX25_PAD_KPP_COL3__KPP_COL3,
/* SD1 */
MX25_PAD_SD1_CMD__SD1_CMD,
MX25_PAD_SD1_CLK__SD1_CLK,
MX25_PAD_SD1_DATA0__SD1_DATA0,
MX25_PAD_SD1_DATA1__SD1_DATA1,
MX25_PAD_SD1_DATA2__SD1_DATA2,
MX25_PAD_SD1_DATA3__SD1_DATA3,
MX25_PAD_A14__GPIO_2_0, /* WriteProtect */
MX25_PAD_A15__GPIO_2_1, /* CardDetect */
/* I2C1 */
MX25_PAD_I2C1_CLK__I2C1_CLK,
MX25_PAD_I2C1_DAT__I2C1_DAT,
};
static const struct fec_platform_data mx25_fec_pdata __initconst = {
.phy = PHY_INTERFACE_MODE_RMII,
};
#define FEC_ENABLE_GPIO IMX_GPIO_NR(2, 3)
#define FEC_RESET_B_GPIO IMX_GPIO_NR(4, 8)
static void __init mx25pdk_fec_reset(void)
{
gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
udelay(2);
/* turn on PHY power and lift reset */
gpio_set_value(FEC_ENABLE_GPIO, 1);
gpio_set_value(FEC_RESET_B_GPIO, 1);
}
static const struct mxc_nand_platform_data
mx25pdk_nand_board_info __initconst = {
.width = 1,
.hw_ecc = 1,
.flash_bbt = 1,
};
static struct imx_fb_videomode mx25pdk_modes[] = {
{
.mode = {
.name = "CRT-VGA",
.refresh = 60,
.xres = 640,
.yres = 480,
.pixclock = 39683,
.left_margin = 45,
.right_margin = 114,
.upper_margin = 33,
.lower_margin = 11,
.hsync_len = 1,
.vsync_len = 1,
},
.bpp = 16,
.pcr = 0xFA208B80,
},
};
static const struct imx_fb_platform_data mx25pdk_fb_pdata __initconst = {
.mode = mx25pdk_modes,
.num_modes = ARRAY_SIZE(mx25pdk_modes),
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
};
static const uint32_t mx25pdk_keymap[] = {
KEY(0, 0, KEY_UP),
KEY(0, 1, KEY_DOWN),
KEY(0, 2, KEY_VOLUMEDOWN),
KEY(0, 3, KEY_HOME),
KEY(1, 0, KEY_RIGHT),
KEY(1, 1, KEY_LEFT),
KEY(1, 2, KEY_ENTER),
KEY(1, 3, KEY_VOLUMEUP),
KEY(2, 0, KEY_F6),
KEY(2, 1, KEY_F8),
KEY(2, 2, KEY_F9),
KEY(2, 3, KEY_F10),
KEY(3, 0, KEY_F1),
KEY(3, 1, KEY_F2),
KEY(3, 2, KEY_F3),
KEY(3, 3, KEY_POWER),
};
static const struct matrix_keymap_data mx25pdk_keymap_data __initconst = {
.keymap = mx25pdk_keymap,
.keymap_size = ARRAY_SIZE(mx25pdk_keymap),
};
static int mx25pdk_usbh2_init(struct platform_device *pdev)
{
return mx25_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
}
static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
.init = mx25pdk_usbh2_init,
.portsc = MXC_EHCI_MODE_SERIAL,
};
static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
};
static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = {
.bitrate = 100000,
};
#define SD1_GPIO_WP IMX_GPIO_NR(2, 0)
#define SD1_GPIO_CD IMX_GPIO_NR(2, 1)
static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = {
.wp_gpio = SD1_GPIO_WP,
.cd_gpio = SD1_GPIO_CD,
.wp_type = ESDHC_WP_GPIO,
.cd_type = ESDHC_CD_GPIO,
};
static void __init mx25pdk_init(void)
{
imx25_soc_init();
mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
ARRAY_SIZE(mx25pdk_pads));
imx25_add_imx_uart0(&uart_pdata);
imx25_add_fsl_usb2_udc(&otg_device_pdata);
imx25_add_mxc_ehci_hs(&usbh2_pdata);
imx25_add_mxc_nand(&mx25pdk_nand_board_info);
imx25_add_imxdi_rtc(NULL);
imx25_add_imx_fb(&mx25pdk_fb_pdata);
imx25_add_imx2_wdt(NULL);
mx25pdk_fec_reset();
imx25_add_fec(&mx25_fec_pdata);
imx25_add_imx_keypad(&mx25pdk_keymap_data);
imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata);
imx25_add_imx_i2c0(&mx25_3ds_i2c0_data);
}
static void __init mx25pdk_timer_init(void)
{
mx25_clocks_init();
}
static struct sys_timer mx25pdk_timer = {
.init = mx25pdk_timer_init,
};
MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
/* Maintainer: Freescale Semiconductor, Inc. */
.atag_offset = 0x100,
.map_io = mx25_map_io,
.init_early = imx25_init_early,
.init_irq = mx25_init_irq,
.timer = &mx25pdk_timer,
.init_machine = mx25pdk_init,
MACHINE_END
|
