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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-pxa/idp.c | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc. | |
9 | * | |
10 | * 2001-09-13: Cliff Brake <cbrake@accelent.com> | |
11 | * Initial code | |
12 | * | |
13 | * 2005-02-15: Cliff Brake <cliff.brake@gmail.com> | |
14 | * <http://www.vibren.com> <http://bec-systems.com> | |
15 | * Updated for 2.6 kernel | |
16 | * | |
17 | */ | |
18 | ||
19 | #include <linux/init.h> | |
20 | #include <linux/interrupt.h> | |
1623dee8 | 21 | #include <linux/irq.h> |
d052d1be | 22 | #include <linux/platform_device.h> |
1da177e4 LT |
23 | #include <linux/fb.h> |
24 | ||
25 | #include <asm/setup.h> | |
26 | #include <asm/memory.h> | |
27 | #include <asm/mach-types.h> | |
a09e64fb | 28 | #include <mach/hardware.h> |
1da177e4 LT |
29 | #include <asm/irq.h> |
30 | ||
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | ||
a09e64fb | 34 | #include <mach/pxa-regs.h> |
399ba626 | 35 | #include <mach/mfp-pxa25x.h> |
a09e64fb RK |
36 | #include <mach/idp.h> |
37 | #include <mach/pxafb.h> | |
38 | #include <mach/bitfield.h> | |
39 | #include <mach/mmc.h> | |
1da177e4 LT |
40 | |
41 | #include "generic.h" | |
46c41e62 | 42 | #include "devices.h" |
1da177e4 LT |
43 | |
44 | /* TODO: | |
45 | * - add pxa2xx_audio_ops_t device structure | |
46 | * - Ethernet interrupt | |
47 | */ | |
48 | ||
399ba626 | 49 | static unsigned long idp_pin_config[] __initdata = { |
bea95d2a EM |
50 | /* LCD */ |
51 | GPIO58_LCD_LDD_0, | |
52 | GPIO59_LCD_LDD_1, | |
53 | GPIO60_LCD_LDD_2, | |
54 | GPIO61_LCD_LDD_3, | |
55 | GPIO62_LCD_LDD_4, | |
56 | GPIO63_LCD_LDD_5, | |
57 | GPIO64_LCD_LDD_6, | |
58 | GPIO65_LCD_LDD_7, | |
59 | GPIO66_LCD_LDD_8, | |
60 | GPIO67_LCD_LDD_9, | |
61 | GPIO68_LCD_LDD_10, | |
62 | GPIO69_LCD_LDD_11, | |
63 | GPIO70_LCD_LDD_12, | |
64 | GPIO71_LCD_LDD_13, | |
65 | GPIO72_LCD_LDD_14, | |
66 | GPIO73_LCD_LDD_15, | |
67 | GPIO74_LCD_FCLK, | |
68 | GPIO75_LCD_LCLK, | |
69 | GPIO76_LCD_PCLK, | |
70 | ||
399ba626 EM |
71 | /* BTUART */ |
72 | GPIO42_BTUART_RXD, | |
73 | GPIO43_BTUART_TXD, | |
74 | GPIO44_BTUART_CTS, | |
75 | GPIO45_BTUART_RTS, | |
76 | ||
77 | /* STUART */ | |
78 | GPIO46_STUART_RXD, | |
79 | GPIO47_STUART_TXD, | |
80 | ||
81 | /* MMC */ | |
82 | GPIO6_MMC_CLK, | |
83 | GPIO8_MMC_CS0, | |
84 | ||
85 | /* Ethernet */ | |
86 | GPIO33_nCS_5, /* Ethernet CS */ | |
87 | GPIO4_GPIO, /* Ethernet IRQ */ | |
88 | }; | |
89 | ||
1da177e4 LT |
90 | static struct resource smc91x_resources[] = { |
91 | [0] = { | |
92 | .start = (IDP_ETH_PHYS + 0x300), | |
93 | .end = (IDP_ETH_PHYS + 0xfffff), | |
94 | .flags = IORESOURCE_MEM, | |
95 | }, | |
96 | [1] = { | |
97 | .start = IRQ_GPIO(4), | |
98 | .end = IRQ_GPIO(4), | |
e7b3dc7e | 99 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
1da177e4 LT |
100 | } |
101 | }; | |
102 | ||
103 | static struct platform_device smc91x_device = { | |
104 | .name = "smc91x", | |
105 | .id = 0, | |
106 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
107 | .resource = smc91x_resources, | |
108 | }; | |
109 | ||
110 | static void idp_backlight_power(int on) | |
111 | { | |
112 | if (on) { | |
113 | IDP_CPLD_LCD |= (1<<1); | |
114 | } else { | |
115 | IDP_CPLD_LCD &= ~(1<<1); | |
116 | } | |
117 | } | |
118 | ||
119 | static void idp_vlcd(int on) | |
120 | { | |
121 | if (on) { | |
122 | IDP_CPLD_LCD |= (1<<2); | |
123 | } else { | |
124 | IDP_CPLD_LCD &= ~(1<<2); | |
125 | } | |
126 | } | |
127 | ||
d14b272b | 128 | static void idp_lcd_power(int on, struct fb_var_screeninfo *var) |
1da177e4 LT |
129 | { |
130 | if (on) { | |
131 | IDP_CPLD_LCD |= (1<<0); | |
132 | } else { | |
133 | IDP_CPLD_LCD &= ~(1<<0); | |
134 | } | |
135 | ||
136 | /* call idp_vlcd for now as core driver does not support | |
137 | * both power and vlcd hooks. Note, this is not technically | |
138 | * the correct sequence, but seems to work. Disclaimer: | |
139 | * this may eventually damage the display. | |
140 | */ | |
141 | ||
142 | idp_vlcd(on); | |
143 | } | |
144 | ||
d14b272b | 145 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
1da177e4 LT |
146 | .pixclock = 270000, |
147 | .xres = 640, | |
148 | .yres = 480, | |
149 | .bpp = 16, | |
150 | .hsync_len = 1, | |
151 | .left_margin = 3, | |
152 | .right_margin = 3, | |
153 | .vsync_len = 1, | |
154 | .upper_margin = 0, | |
155 | .lower_margin = 0, | |
156 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
157 | .cmap_greyscale = 0, | |
d14b272b RP |
158 | }; |
159 | ||
160 | static struct pxafb_mach_info sharp_lm8v31 = { | |
161 | .modes = &sharp_lm8v31_mode, | |
162 | .num_modes = 1, | |
1da177e4 LT |
163 | .cmap_inverse = 0, |
164 | .cmap_static = 0, | |
bea95d2a EM |
165 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
166 | LCD_AC_BIAS_FREQ(255), | |
1da177e4 LT |
167 | .pxafb_backlight_power = &idp_backlight_power, |
168 | .pxafb_lcd_power = &idp_lcd_power | |
169 | }; | |
170 | ||
1da177e4 LT |
171 | static struct pxamci_platform_data idp_mci_platform_data = { |
172 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
1da177e4 LT |
173 | }; |
174 | ||
175 | static void __init idp_init(void) | |
176 | { | |
177 | printk("idp_init()\n"); | |
178 | ||
399ba626 EM |
179 | pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config)); |
180 | ||
1da177e4 LT |
181 | platform_device_register(&smc91x_device); |
182 | //platform_device_register(&mst_audio_device); | |
183 | set_pxa_fb_info(&sharp_lm8v31); | |
184 | pxa_set_mci_info(&idp_mci_platform_data); | |
185 | } | |
186 | ||
187 | static void __init idp_init_irq(void) | |
188 | { | |
189 | ||
cd49104d | 190 | pxa25x_init_irq(); |
1da177e4 LT |
191 | |
192 | set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE); | |
193 | } | |
194 | ||
195 | static struct map_desc idp_io_desc[] __initdata = { | |
6f9182eb DS |
196 | { |
197 | .virtual = IDP_COREVOLT_VIRT, | |
198 | .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS), | |
199 | .length = IDP_COREVOLT_SIZE, | |
200 | .type = MT_DEVICE | |
201 | }, { | |
202 | .virtual = IDP_CPLD_VIRT, | |
203 | .pfn = __phys_to_pfn(IDP_CPLD_PHYS), | |
204 | .length = IDP_CPLD_SIZE, | |
205 | .type = MT_DEVICE | |
206 | } | |
1da177e4 LT |
207 | }; |
208 | ||
209 | static void __init idp_map_io(void) | |
210 | { | |
211 | pxa_map_io(); | |
212 | iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc)); | |
1da177e4 LT |
213 | } |
214 | ||
215 | ||
216 | MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") | |
e9dea0c6 | 217 | /* Maintainer: Vibren Technologies */ |
e9dea0c6 | 218 | .phys_io = 0x40000000, |
68070bde | 219 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 RK |
220 | .map_io = idp_map_io, |
221 | .init_irq = idp_init_irq, | |
1da177e4 | 222 | .timer = &pxa_timer, |
e9dea0c6 | 223 | .init_machine = idp_init, |
1da177e4 | 224 | MACHINE_END |