aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/zylonite.c
blob: 743a87b2faa132a7710ddece44ecd84651eb15d3 (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
/*
 * linux/arch/arm/mach-pxa/zylonite.c
 *
 * Support for the PXA3xx Development Platform (aka Zylonite)
 *
 * Copyright (C) 2006 Marvell International Ltd.
 *
 * 2007-09-04: eric miao <eric.miao@marvell.com>
 *             rewrite to align with latest kernel
 *
 * 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/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/zylonite.h>

#include "generic.h"

int gpio_backlight;
int gpio_eth_irq;

int lcd_id;
int lcd_orientation;

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= ZYLONITE_ETH_PHYS + 0x300,
		.end	= ZYLONITE_ETH_PHYS + 0xfffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= -1,	/* for run-time assignment */
		.end	= -1,
		.flags	= IORESOURCE_IRQ,
	}
};

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

#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
static void zylonite_backlight_power(int on)
{
	gpio_set_value(gpio_backlight, on);
}

static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
	.pixclock		= 110000,
	.xres			= 240,
	.yres			= 320,
	.bpp			= 16,
	.hsync_len		= 4,
	.left_margin		= 6,
	.right_margin		= 4,
	.vsync_len		= 2,
	.upper_margin		= 2,
	.lower_margin		= 3,
	.sync			= FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
	.pixclock		= 50000,
	.xres			= 640,
	.yres			= 480,
	.bpp			= 16,
	.hsync_len		= 1,
	.left_margin		= 0x9f,
	.right_margin		= 1,
	.vsync_len		= 44,
	.upper_margin		= 0,
	.lower_margin		= 0,
	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
	.num_modes      	= 1,
	.lccr0			= LCCR0_Act,
	.lccr3			= LCCR3_PCP,
	.pxafb_backlight_power	= zylonite_backlight_power,
};

static struct pxafb_mode_info sharp_ls037_modes[] = {
	[0] = {
		.pixclock	= 158000,
		.xres		= 240,
		.yres		= 320,
		.bpp		= 16,
		.hsync_len	= 4,
		.left_margin	= 39,
		.right_margin	= 39,
		.vsync_len	= 1,
		.upper_margin	= 2,
		.lower_margin	= 3,
		.sync		= 0,
	},
	[1] = {
		.pixclock	= 39700,
		.xres		= 480,
		.yres		= 640,
		.bpp		= 16,
		.hsync_len	= 8,
		.left_margin	= 81,
		.right_margin	= 81,
		.vsync_len	= 1,
		.upper_margin	= 2,
		.lower_margin	= 7,
		.sync		= 0,
	},
};

static struct pxafb_mach_info zylonite_sharp_lcd_info = {
	.modes			= sharp_ls037_modes,
	.num_modes		= 2,
	.lccr0			= LCCR0_Act,
	.lccr3			= LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
	.pxafb_backlight_power	= zylonite_backlight_power,
};

static void __init zylonite_init_lcd(void)
{
	/* backlight GPIO: output, default on */
	gpio_direction_output(gpio_backlight, 1);

	if (lcd_id & 0x20) {
		set_pxa_fb_info(&zylonite_sharp_lcd_info);
		return;
	}

	/* legacy LCD panels, it would be handy here if LCD panel type can
	 * be decided at run-time
	 */
	if (1)
		zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
	else
		zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;

	set_pxa_fb_info(&zylonite_toshiba_lcd_info);
}
#else
static inline void zylonite_init_lcd(void) {}
#endif

static void __init zylonite_init(void)
{
	/* board-processor specific initialization */
	zylonite_pxa300_init();
	zylonite_pxa320_init();

	/*
	 * Note: We depend that the bootloader set
	 * the correct value to MSC register for SMC91x.
	 */
	smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
	smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
	platform_device_register(&smc91x_device);

	zylonite_init_lcd();
}

MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
	.phys_io	= 0x40000000,
	.boot_params	= 0xa0000100,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io		= pxa_map_io,
	.init_irq	= pxa3xx_init_irq,
	.timer		= &pxa_timer,
	.init_machine	= zylonite_init,
MACHINE_END