summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/colibri-pxa320.c
blob: 8cbb2b43ed1118533761dbaede778d85d6da2552 (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
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
263
/*
 *  arch/arm/mach-pxa/colibri-pxa320.c
 *
 *  Support for Toradex PXA320/310 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 <linux/usb/gpio_vbus.h>

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

#include <mach/pxa320.h>
#include <mach/colibri.h>
#include <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/audio.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>

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

#ifdef	CONFIG_MACH_COLIBRI_EVALBOARD
static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {
	/* MMC */
	GPIO22_MMC1_CLK,
	GPIO23_MMC1_CMD,
	GPIO18_MMC1_DAT0,
	GPIO19_MMC1_DAT1,
	GPIO20_MMC1_DAT2,
	GPIO21_MMC1_DAT3,
	GPIO28_GPIO,	/* SD detect */

	/* UART 1 configuration (may be set by bootloader) */
	GPIO99_UART1_CTS,
	GPIO104_UART1_RTS,
	GPIO97_UART1_RXD,
	GPIO98_UART1_TXD,
	GPIO101_UART1_DTR,
	GPIO103_UART1_DSR,
	GPIO100_UART1_DCD,
	GPIO102_UART1_RI,

	/* UART 2 configuration */
	GPIO109_UART2_CTS,
	GPIO112_UART2_RTS,
	GPIO110_UART2_RXD,
	GPIO111_UART2_TXD,

	/* UART 3 configuration */
	GPIO30_UART3_RXD,
	GPIO31_UART3_TXD,

	/* UHC */
	GPIO2_2_USBH_PEN,
	GPIO3_2_USBH_PWR,

	/* I2C */
	GPIO32_I2C_SCL,
	GPIO33_I2C_SDA,

	/* PCMCIA */
	MFP_CFG(GPIO59, AF7),	/* PRST ; AF7 to tristate */
	MFP_CFG(GPIO61, AF7),	/* PCE1 ; AF7 to tristate */
	MFP_CFG(GPIO60, AF7),	/* PCE2 ; AF7 to tristate */
	MFP_CFG(GPIO62, AF7),	/* PCD ; AF7 to tristate */
	MFP_CFG(GPIO56, AF7),	/* PSKTSEL ; AF7 to tristate */
	GPIO27_GPIO,		/* RDnWR ; input/tristate */
	GPIO50_GPIO,		/* PREG ; input/tristate */
	GPIO2_RDY,
	GPIO5_NPIOR,
	GPIO6_NPIOW,
	GPIO7_NPIOS16,
	GPIO8_NPWAIT,
	GPIO29_GPIO,		/* PRDY (READY GPIO) */
	GPIO57_GPIO,		/* PPEN (POWER GPIO) */
	GPIO81_GPIO,		/* PCD (DETECT GPIO) */
	GPIO77_GPIO,		/* PRST (RESET GPIO) */
	GPIO53_GPIO,		/* PBVD1 */
	GPIO79_GPIO,		/* PBVD2 */
	GPIO54_GPIO,		/* POE */
};
#else
static mfp_cfg_t colibri_pxa320_evalboard_pin_config[] __initdata = {};
#endif

#if defined(CONFIG_AX88796)
#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO36_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_pxa320_eth_pin_config[] __initdata = {
	GPIO3_nCS2,			/* AX88796 chip select */
	GPIO36_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
};

static void __init colibri_pxa320_init_eth(void)
{
	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
	platform_device_register(&asix_device);
}
#else
static inline void __init colibri_pxa320_init_eth(void) {}
#endif /* CONFIG_AX88796 */

#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {
	.gpio_vbus		= mfp_to_gpio(MFP_PIN_GPIO96),
	.gpio_pullup		= -1,
};

static struct platform_device colibri_pxa320_gpio_vbus = {
	.name	= "gpio-vbus",
	.id	= -1,
	.dev	= {
		.platform_data	= &colibri_pxa320_gpio_vbus_info,
	},
};

static void colibri_pxa320_udc_command(int cmd)
{
	if (cmd == PXA2XX_UDC_CMD_CONNECT)
		UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
		UP2OCR = UP2OCR_HXOE;
}

static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = {
	.udc_command		= colibri_pxa320_udc_command,
	.gpio_pullup		= -1,
};

static void __init colibri_pxa320_init_udc(void)
{
	pxa_set_udc_info(&colibri_pxa320_udc_info);
	platform_device_register(&colibri_pxa320_gpio_vbus);
}
#else
static inline void colibri_pxa320_init_udc(void) {}
#endif

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = {
	GPIO6_2_LCD_LDD_0,
	GPIO7_2_LCD_LDD_1,
	GPIO8_2_LCD_LDD_2,
	GPIO9_2_LCD_LDD_3,
	GPIO10_2_LCD_LDD_4,
	GPIO11_2_LCD_LDD_5,
	GPIO12_2_LCD_LDD_6,
	GPIO13_2_LCD_LDD_7,
	GPIO63_LCD_LDD_8,
	GPIO64_LCD_LDD_9,
	GPIO65_LCD_LDD_10,
	GPIO66_LCD_LDD_11,
	GPIO67_LCD_LDD_12,
	GPIO68_LCD_LDD_13,
	GPIO69_LCD_LDD_14,
	GPIO70_LCD_LDD_15,
	GPIO71_LCD_LDD_16,
	GPIO72_LCD_LDD_17,
	GPIO73_LCD_CS_N,
	GPIO74_LCD_VSYNC,
	GPIO14_2_LCD_FCLK,
	GPIO15_2_LCD_LCLK,
	GPIO16_2_LCD_PCLK,
	GPIO17_2_LCD_BIAS,
};

static void __init colibri_pxa320_init_lcd(void)
{
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config));
}
#else
static inline void colibri_pxa320_init_lcd(void) {}
#endif

#if	defined(CONFIG_SND_AC97_CODEC) || \
	defined(CONFIG_SND_AC97_CODEC_MODULE)
static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = {
	GPIO34_AC97_SYSCLK,
	GPIO35_AC97_SDATA_IN_0,
	GPIO37_AC97_SDATA_OUT,
	GPIO38_AC97_SYNC,
	GPIO39_AC97_BITCLK,
	GPIO40_AC97_nACRESET
};

static inline void __init colibri_pxa320_init_ac97(void)
{
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config));
	pxa_set_ac97_info(NULL);
}
#else
static inline void colibri_pxa320_init_ac97(void) {}
#endif

void __init colibri_pxa320_init(void)
{
	colibri_pxa320_init_eth();
	colibri_pxa3xx_init_nand();
	colibri_pxa320_init_lcd();
	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
	colibri_pxa320_init_ac97();
	colibri_pxa320_init_udc();

	/* Evalboard init */
	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_evalboard_pin_config));
	colibri_evalboard_init();
}

MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
	.atag_offset	= 0x100,
	.init_machine	= colibri_pxa320_init,
	.map_io		= pxa3xx_map_io,
	.init_irq	= pxa3xx_init_irq,
	.handle_irq	= pxa3xx_handle_irq,
	.timer		= &pxa_timer,
MACHINE_END