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
|
/*
* 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.
*/
#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/fec.h>
#include <linux/platform_device.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/imx-uart.h>
#include <mach/mx25.h>
#include <mach/mxc_nand.h>
#include <mach/imxfb.h>
#include "devices.h"
#include <mach/iomux-mx25.h>
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct pad_desc 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,
};
static struct fec_platform_data mx25_fec_pdata = {
.phy = PHY_INTERFACE_MODE_RMII,
};
#define FEC_ENABLE_GPIO 35
#define FEC_RESET_B_GPIO 104
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 struct mxc_nand_platform_data mx25pdk_nand_board_info = {
.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 struct imx_fb_platform_data mx25pdk_fb_pdata = {
.mode = mx25pdk_modes,
.num_modes = ARRAY_SIZE(mx25pdk_modes),
.pwmr = 0x00A903FF,
.lscr1 = 0x00120300,
.dmacr = 0x00020010,
};
static void __init mx25pdk_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
ARRAY_SIZE(mx25pdk_pads));
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_usbh2, NULL);
mxc_register_device(&mxc_nand_device, &mx25pdk_nand_board_info);
mxc_register_device(&mx25_rtc_device, NULL);
mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);
mx25pdk_fec_reset();
mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
}
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. */
.phys_io = MX25_AIPS1_BASE_ADDR,
.io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = MX25_PHYS_OFFSET + 0x100,
.map_io = mx25_map_io,
.init_irq = mx25_init_irq,
.init_machine = mx25pdk_init,
.timer = &mx25pdk_timer,
MACHINE_END
|
