summaryrefslogtreecommitdiffstats
path: root/kernel/arch/arm/mach-pxa/colibri-pxa300.c
blob: f1a1ac1fbd85663b05fb0ffb3f4bd224277d88e4 (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
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
/*
 *  arch/arm/mach-pxa/colibri-pxa300.c
 *
 *  Support for Toradex PXA300/310 based Colibri module
 *
 *  Daniel Mack <daniel@caiaq.de>
 *  Matthias Meier <matthias.j.meier@gmx.net>
 *
 *  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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>

#include <asm/mach-types.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>

#include <mach/pxa300.h>
#include <mach/colibri.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <mach/audio.h>

#include "generic.h"
#include "devices.h"


#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
	/* MMC */
	GPIO7_MMC1_CLK,
	GPIO14_MMC1_CMD,
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */

	/* UHC */
	GPIO0_2_USBH_PEN,
	GPIO1_2_USBH_PWR,
	GPIO77_USB_P3_1,
	GPIO78_USB_P3_2,
	GPIO79_USB_P3_3,
	GPIO80_USB_P3_4,
	GPIO81_USB_P3_5,
	GPIO82_USB_P3_6,

	/* I2C */
	GPIO21_I2C_SCL,
	GPIO22_I2C_SDA,
};
#else
static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
#endif

#if defined(CONFIG_AX88796)
#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO26_GPIO)
/*
 * Asix AX88796 Ethernet
 */
static struct ax_plat_data colibri_asix_platdata = {
	.flags		= 0, /* defined later */
	.wordlength	= 2,
};

static struct resource colibri_asix_resource[] = {
	[0] = {
		.start = PXA3xx_CS2_PHYS,
		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
		.end   = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
	}
};

static struct platform_device asix_device = {
	.name		= "ax88796",
	.id		= 0,
	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),
	.resource	= colibri_asix_resource,
	.dev		= {
		.platform_data = &colibri_asix_platdata
	}
};

static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
	GPIO1_nCS2,			/* AX88796 chip select */
	GPIO26_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
};

static void __init colibri_pxa300_init_eth(void)
{
	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
	platform_device_register(&asix_device);
}
#else
static inline void __init colibri_pxa300_init_eth(void) {}
#endif /* CONFIG_AX88796 */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
	GPIO54_LCD_LDD_0,
	GPIO55_LCD_LDD_1,
	GPIO56_LCD_LDD_2,
	GPIO57_LCD_LDD_3,
	GPIO58_LCD_LDD_4,
	GPIO59_LCD_LDD_5,
	GPIO60_LCD_LDD_6,
	GPIO61_LCD_LDD_7,
	GPIO62_LCD_LDD_8,
	GPIO63_LCD_LDD_9,
	GPIO64_LCD_LDD_10,
	GPIO65_LCD_LDD_11,
	GPIO66_LCD_LDD_12,
	GPIO67_LCD_LDD_13,
	GPIO68_LCD_LDD_14,
	GPIO69_LCD_LDD_15,
	GPIO70_LCD_LDD_16,
	GPIO71_LCD_LDD_17,
	GPIO62_LCD_CS_N,
	GPIO72_LCD_FCLK,
	GPIO73_LCD_LCLK,
	GPIO74_LCD_PCLK,
	GPIO75_LCD_BIAS,
	GPIO76_LCD_VSYNC,
};

static void __init colibri_pxa300_init_lcd(void)
{
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
}

#else
static inline void colibri_pxa300_init_lcd(void) {}
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */

#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
	GPIO24_AC97_SYSCLK,
	GPIO23_AC97_nACRESET,
	GPIO25_AC97_SDATA_IN_0,
	GPIO27_AC97_SDATA_OUT,
	GPIO28_AC97_SYNC,
	GPIO29_AC97_BITCLK
};

static inline void __init colibri_pxa310_init_ac97(void)
{
	/* no AC97 codec on Colibri PXA300 */
	if (!cpu_is_pxa310())
		return;

	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
	pxa_set_ac97_info(NULL);
}
#else
static inline void colibri_pxa310_init_ac97(void) {}
#endif

void __init colibri_pxa300_init(void)
{
	colibri_pxa300_init_eth();
	colibri_pxa3xx_init_nand();
	colibri_pxa300_init_lcd();
	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
	colibri_pxa310_init_ac97();

	/* Evalboard init */
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
	colibri_evalboard_init();
}

MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
	.atag_offset	= 0x100,
	.init_machine	= colibri_pxa300_init,
	.map_io		= pxa3xx_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa3xx_init_irq,
	.handle_irq	= pxa3xx_handle_irq,
	.init_time	= pxa_timer_init,
	.restart	= pxa_restart,
MACHINE_END