2c8086a5 |
1 | /* |
2 | * linux/arch/arm/mach-pxa/zylonite.c |
3 | * |
4 | * Support for the PXA3xx Development Platform (aka Zylonite) |
5 | * |
6 | * Copyright (C) 2006 Marvell International Ltd. |
7 | * |
8 | * 2007-09-04: eric miao <eric.y.miao@gmail.com> |
9 | * rewrite to align with latest kernel |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of the GNU General Public License version 2 as |
13 | * published by the Free Software Foundation. |
14 | */ |
15 | |
16 | #include <linux/module.h> |
17 | #include <linux/kernel.h> |
18 | #include <linux/interrupt.h> |
19 | #include <linux/init.h> |
20 | #include <linux/platform_device.h> |
21 | |
22 | #include <asm/mach-types.h> |
23 | #include <asm/mach/arch.h> |
24 | #include <asm/hardware.h> |
25 | #include <asm/arch/gpio.h> |
26 | #include <asm/arch/pxafb.h> |
27 | #include <asm/arch/zylonite.h> |
28 | |
29 | #include "generic.h" |
30 | |
31 | int gpio_backlight; |
32 | int gpio_eth_irq; |
33 | |
34 | int lcd_id; |
35 | int lcd_orientation; |
36 | |
37 | static struct resource smc91x_resources[] = { |
38 | [0] = { |
39 | .start = ZYLONITE_ETH_PHYS + 0x300, |
40 | .end = ZYLONITE_ETH_PHYS + 0xfffff, |
41 | .flags = IORESOURCE_MEM, |
42 | }, |
43 | [1] = { |
44 | .start = -1, /* for run-time assignment */ |
45 | .end = -1, |
46 | .flags = IORESOURCE_IRQ, |
47 | } |
48 | }; |
49 | |
50 | static struct platform_device smc91x_device = { |
51 | .name = "smc91x", |
52 | .id = 0, |
53 | .num_resources = ARRAY_SIZE(smc91x_resources), |
54 | .resource = smc91x_resources, |
55 | }; |
56 | |
57 | #if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES) |
58 | static void zylonite_backlight_power(int on) |
59 | { |
60 | gpio_set_value(gpio_backlight, on); |
61 | } |
62 | |
63 | static struct pxafb_mode_info toshiba_ltm035a776c_mode = { |
64 | .pixclock = 110000, |
65 | .xres = 240, |
66 | .yres = 320, |
67 | .bpp = 16, |
68 | .hsync_len = 4, |
69 | .left_margin = 6, |
70 | .right_margin = 4, |
71 | .vsync_len = 2, |
72 | .upper_margin = 2, |
73 | .lower_margin = 3, |
74 | .sync = FB_SYNC_VERT_HIGH_ACT, |
75 | }; |
76 | |
77 | static struct pxafb_mode_info toshiba_ltm04c380k_mode = { |
78 | .pixclock = 50000, |
79 | .xres = 640, |
80 | .yres = 480, |
81 | .bpp = 16, |
82 | .hsync_len = 1, |
83 | .left_margin = 0x9f, |
84 | .right_margin = 1, |
85 | .vsync_len = 44, |
86 | .upper_margin = 0, |
87 | .lower_margin = 0, |
88 | .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, |
89 | }; |
90 | |
91 | static struct pxafb_mach_info zylonite_toshiba_lcd_info = { |
92 | .num_modes = 1, |
93 | .lccr0 = LCCR0_Act, |
94 | .lccr3 = LCCR3_PCP, |
95 | .pxafb_backlight_power = zylonite_backlight_power, |
96 | }; |
97 | |
98 | static struct pxafb_mode_info sharp_ls037_modes[] = { |
99 | [0] = { |
100 | .pixclock = 158000, |
101 | .xres = 240, |
102 | .yres = 320, |
103 | .bpp = 16, |
104 | .hsync_len = 4, |
105 | .left_margin = 39, |
106 | .right_margin = 39, |
107 | .vsync_len = 1, |
108 | .upper_margin = 2, |
109 | .lower_margin = 3, |
110 | .sync = 0, |
111 | }, |
112 | [1] = { |
113 | .pixclock = 39700, |
114 | .xres = 480, |
115 | .yres = 640, |
116 | .bpp = 16, |
117 | .hsync_len = 8, |
118 | .left_margin = 81, |
119 | .right_margin = 81, |
120 | .vsync_len = 1, |
121 | .upper_margin = 2, |
122 | .lower_margin = 7, |
123 | .sync = 0, |
124 | }, |
125 | }; |
126 | |
127 | static struct pxafb_mach_info zylonite_sharp_lcd_info = { |
128 | .modes = sharp_ls037_modes, |
129 | .num_modes = 2, |
130 | .lccr0 = LCCR0_Act, |
131 | .lccr3 = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP, |
132 | .pxafb_backlight_power = zylonite_backlight_power, |
133 | }; |
134 | |
135 | static void __init zylonite_init_lcd(void) |
136 | { |
137 | /* backlight GPIO: output, default on */ |
138 | gpio_direction_output(gpio_backlight, 1); |
139 | |
140 | if (lcd_id & 0x20) { |
141 | set_pxa_fb_info(&zylonite_sharp_lcd_info); |
142 | return; |
143 | } |
144 | |
145 | /* legacy LCD panels, it would be handy here if LCD panel type can |
146 | * be decided at run-time |
147 | */ |
148 | if (1) |
149 | zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode; |
150 | else |
151 | zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode; |
152 | |
153 | set_pxa_fb_info(&zylonite_toshiba_lcd_info); |
154 | } |
155 | #else |
156 | static inline void zylonite_init_lcd(void) {} |
157 | #endif |
158 | |
159 | static void __init zylonite_init(void) |
160 | { |
161 | /* board-processor specific initialization */ |
162 | zylonite_pxa300_init(); |
163 | zylonite_pxa320_init(); |
164 | |
165 | /* |
166 | * Note: We depend that the bootloader set |
167 | * the correct value to MSC register for SMC91x. |
168 | */ |
169 | smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq); |
170 | smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq); |
171 | platform_device_register(&smc91x_device); |
172 | |
173 | zylonite_init_lcd(); |
174 | } |
175 | |
176 | MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)") |
177 | .phys_io = 0x40000000, |
178 | .boot_params = 0xa0000100, |
179 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
180 | .map_io = pxa_map_io, |
181 | .init_irq = pxa3xx_init_irq, |
182 | .timer = &pxa_timer, |
183 | .init_machine = zylonite_init, |
184 | MACHINE_END |