idp.c 4.26 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/*
 *  linux/arch/arm/mach-pxa/idp.c
 *
 *  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.
 *
 *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
 *
 *  2001-09-13: Cliff Brake <cbrake@accelent.com>
 *              Initial code
 *
 *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
 *  		<http://www.vibren.com> <http://bec-systems.com>
 *              Updated for 2.6 kernel
 *
 */

#include <linux/init.h>
#include <linux/interrupt.h>
21
#include <linux/irq.h>
22
#include <linux/platform_device.h>
Linus Torvalds's avatar
Linus Torvalds committed
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
#include <linux/fb.h>

#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <asm/arch/pxa-regs.h>
#include <asm/arch/idp.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/bitfield.h>
#include <asm/arch/mmc.h>

#include "generic.h"
41
#include "devices.h"
Linus Torvalds's avatar
Linus Torvalds committed
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

/* TODO:
 * - add pxa2xx_audio_ops_t device structure
 * - Ethernet interrupt
 */

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= (IDP_ETH_PHYS + 0x300),
		.end	= (IDP_ETH_PHYS + 0xfffff),
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_GPIO(4),
		.end	= IRQ_GPIO(4),
		.flags	= IORESOURCE_IRQ,
	}
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

static void idp_backlight_power(int on)
{
	if (on) {
		IDP_CPLD_LCD |= (1<<1);
	} else {
		IDP_CPLD_LCD &= ~(1<<1);
	}
}

static void idp_vlcd(int on)
{
	if (on) {
		IDP_CPLD_LCD |= (1<<2);
	} else {
		IDP_CPLD_LCD &= ~(1<<2);
	}
}

86
static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
Linus Torvalds's avatar
Linus Torvalds committed
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
{
	if (on) {
		IDP_CPLD_LCD |= (1<<0);
	} else {
		IDP_CPLD_LCD &= ~(1<<0);
	}

	/* call idp_vlcd for now as core driver does not support
	 * both power and vlcd hooks.  Note, this is not technically
	 * the correct sequence, but seems to work.  Disclaimer:
	 * this may eventually damage the display.
	 */

	idp_vlcd(on);
}

103
static struct pxafb_mode_info sharp_lm8v31_mode = {
Linus Torvalds's avatar
Linus Torvalds committed
104
105
106
107
108
109
110
111
112
113
114
115
	.pixclock	= 270000,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 16,
	.hsync_len	= 1,
	.left_margin	= 3,
	.right_margin	= 3,
	.vsync_len	= 1,
	.upper_margin	= 0,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 0,
116
117
118
119
120
};

static struct pxafb_mach_info sharp_lm8v31 = {
	.modes          = &sharp_lm8v31_mode,
	.num_modes      = 1,
Linus Torvalds's avatar
Linus Torvalds committed
121
122
123
124
125
126
127
128
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.lccr0		= LCCR0_SDS,
	.lccr3		= LCCR3_PCP | LCCR3_Acb(255),
	.pxafb_backlight_power = &idp_backlight_power,
	.pxafb_lcd_power = &idp_lcd_power
};

129
static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
Linus Torvalds's avatar
Linus Torvalds committed
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
{
	/* setup GPIO for PXA25x MMC controller	*/
	pxa_gpio_mode(GPIO6_MMCCLK_MD);
	pxa_gpio_mode(GPIO8_MMCCS0_MD);

	return 0;
}

static struct pxamci_platform_data idp_mci_platform_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 		= idp_mci_init,
};

static void __init idp_init(void)
{
	printk("idp_init()\n");

	platform_device_register(&smc91x_device);
	//platform_device_register(&mst_audio_device);
	set_pxa_fb_info(&sharp_lm8v31);
	pxa_set_mci_info(&idp_mci_platform_data);
}

static void __init idp_init_irq(void)
{

156
	pxa25x_init_irq();
Linus Torvalds's avatar
Linus Torvalds committed
157
158
159
160
161

	set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
}

static struct map_desc idp_io_desc[] __initdata = {
162
163
164
165
166
167
168
169
170
171
172
  	{
		.virtual	=  IDP_COREVOLT_VIRT,
		.pfn		= __phys_to_pfn(IDP_COREVOLT_PHYS),
		.length		= IDP_COREVOLT_SIZE,
		.type		= MT_DEVICE
	}, {
		.virtual	=  IDP_CPLD_VIRT,
		.pfn		= __phys_to_pfn(IDP_CPLD_PHYS),
		.length		= IDP_CPLD_SIZE,
		.type		= MT_DEVICE
	}
Linus Torvalds's avatar
Linus Torvalds committed
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
};

static void __init idp_map_io(void)
{
	pxa_map_io();
	iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));

	// serial ports 2 & 3
	pxa_gpio_mode(GPIO42_BTRXD_MD);
	pxa_gpio_mode(GPIO43_BTTXD_MD);
	pxa_gpio_mode(GPIO44_BTCTS_MD);
	pxa_gpio_mode(GPIO45_BTRTS_MD);
	pxa_gpio_mode(GPIO46_STRXD_MD);
	pxa_gpio_mode(GPIO47_STTXD_MD);

}


MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
192
193
	/* Maintainer: Vibren Technologies */
	.phys_io	= 0x40000000,
194
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
195
196
	.map_io		= idp_map_io,
	.init_irq	= idp_init_irq,
Linus Torvalds's avatar
Linus Torvalds committed
197
	.timer		= &pxa_timer,
198
	.init_machine	= idp_init,
Linus Torvalds's avatar
Linus Torvalds committed
199
MACHINE_END