summaryrefslogtreecommitdiffstats
path: root/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c
blob: fa95d7233976f662af6ec2b188b2bbbbb0f4b5ae (plain)
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
/*
 * (C) Copyright 2012 Fadil Berisha, <fadil.r.berisha@gmail.com>
 *     based on falconwing.c & mx23-evk.c
 *
 * (C) Copyright 2010 Juergen Beisert - Pengutronix
 * (C) Copyright 2011 Wolfram Sang - Pengutronix
 *
 * 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.
 *
 */

#include <common.h>
#include <init.h>
#include <gpio.h>
#include <environment.h>
#include <envfs.h>
#include <errno.h>
#include <mci.h>
#include <asm/armlinux.h>
#include <usb/ehci.h>
#include <mach/usb.h>
#include <generated/mach-types.h>
#include <mach/imx-regs.h>
#include <mach/clock.h>
#include <mach/mci.h>
#include <mach/iomux.h>

static struct mxs_mci_platform_data mci_pdata = {
	.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED,
	.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,	/* fixed to 3.3 V */
	.f_min = 400000,
};

static const uint32_t pad_setup[] = {
	/* debug port */
	PWM1_DUART_TX | STRENGTH(S4MA),    /* PWM0/DUART_TXD - U_DEBUG PIN 2 */
	PWM0_DUART_RX | STRENGTH(S4MA),    /* PWM0/DUART_RXD - U_DEBUG PIN 1 */

	/* auart */
	I2C_SDA_AUART1_RX | STRENGTH(S4MA),
	I2C_CLK_AUART1_TX | STRENGTH(S4MA),

	/* lcd */
	LCD_D17 | STRENGTH(S12MA),         /*PIN18/LCD_D17   -   GPIO PIN 3 */
	LCD_D16 | STRENGTH(S12MA),
	LCD_D15 | STRENGTH(S12MA),
	LCD_D14 | STRENGTH(S12MA),
	LCD_D13 | STRENGTH(S12MA),
	LCD_D12 | STRENGTH(S12MA),
	LCD_D11 | STRENGTH(S12MA),
	LCD_D10 | STRENGTH(S12MA),
	LCD_D9 | STRENGTH(S12MA),
	LCD_D8 | STRENGTH(S12MA),
	LCD_D7 | STRENGTH(S12MA),
	LCD_D6 | STRENGTH(S12MA),
	LCD_D5 | STRENGTH(S12MA),
	LCD_D4 | STRENGTH(S12MA),
	LCD_D3 | STRENGTH(S12MA),
	LCD_D2 | STRENGTH(S12MA),            /* PIN3/LCD_D02   - GPIO PIN 31*/
	LCD_D1 | STRENGTH(S12MA),            /* PIN2/LCD_D01   - GPIO PIN 33*/
	LCD_D0 | STRENGTH(S12MA),            /* PIN1/LCD_D00   - GPIO PIN 35*/
	LCD_CS,                              /* PIN26/LCD_CS   - GPIO PIN 20*/
	LCD_RS,                              /* PIN25/LCD_RS   - GPIO PIN 18*/
	LCD_WR,                              /* PIN24/LCD_WR   - GPIO PIN 16*/
	LCD_RESET,                           /* PIN23/LCD_DISP - GPIO PIN 14*/
	LCD_ENABE | STRENGTH(S12MA),  /* PIN22/LCD_EN/I2C_SCL  - GPIO PIN 12*/
	LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/
	LCD_HSYNC | STRENGTH(S12MA),     /* PIN20/LCD_VSYNC    - GPIO PIN  8*/
	LCD_DOTCLOCK | STRENGTH(S12MA),  /* PIN19/LCD_DOTCLK   - GPIO PIN  6*/


	/* SD card interface */
	SSP1_DATA0 | PULLUP(1),
	SSP1_DATA1 | PULLUP(1),
	SSP1_DATA2 | PULLUP(1),
	SSP1_DATA3 | PULLUP(1),
	SSP1_SCK,
	SSP1_CMD | PULLUP(1),
	SSP1_DETECT | PULLUP(1),

	/* led */
	SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1),

	/* gpio - USB hub LAN9512-JZX*/
	GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1),
};

static int imx23_olinuxino_mem_init(void)
{
	arm_add_mem_device("ram0", IMX_MEMORY_BASE, 64 * 1024 * 1024);

	return 0;
}
mem_initcall(imx23_olinuxino_mem_init);

static void olinuxino_init_usb(void)
{

	imx23_usb_phy_enable();

	add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_USB_BASE, NULL);
}

static int imx23_olinuxino_devices_init(void)
{
	int i;

	/* initizalize gpios */
	for (i = 0; i < ARRAY_SIZE(pad_setup); i++)
		imx_gpio_mode(pad_setup[i]);

	armlinux_set_architecture(MACH_TYPE_IMX233_OLINUXINO);

	add_generic_device("mxs_mci", DEVICE_ID_DYNAMIC, NULL, IMX_SSP1_BASE,
					0x8000, IORESOURCE_MEM, &mci_pdata);

	olinuxino_init_usb();

	default_environment_path_set("/dev/disk0.1");

	return 0;
}

device_initcall(imx23_olinuxino_devices_init);

static int imx23_olinuxino_console_init(void)
{
	barebox_set_model("Olimex.ltd imx233-olinuxino");
	barebox_set_hostname("imx233-olinuxino");

	add_generic_device("stm_serial", 0, NULL, IMX_DBGUART_BASE, 8192,
			   IORESOURCE_MEM, NULL);

	return 0;
}

console_initcall(imx23_olinuxino_console_init);