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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> | |
28 | #include <asm/hardware.h> | |
29 | #include <asm/irq.h> | |
30 | ||
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | ||
34 | #include <asm/arch/pxa-regs.h> | |
35 | #include <asm/arch/idp.h> | |
36 | #include <asm/arch/pxafb.h> | |
37 | #include <asm/arch/bitfield.h> | |
38 | #include <asm/arch/mmc.h> | |
39 | ||
40 | #include "generic.h" | |
41 | ||
42 | /* TODO: | |
43 | * - add pxa2xx_audio_ops_t device structure | |
44 | * - Ethernet interrupt | |
45 | */ | |
46 | ||
47 | static struct resource smc91x_resources[] = { | |
48 | [0] = { | |
49 | .start = (IDP_ETH_PHYS + 0x300), | |
50 | .end = (IDP_ETH_PHYS + 0xfffff), | |
51 | .flags = IORESOURCE_MEM, | |
52 | }, | |
53 | [1] = { | |
54 | .start = IRQ_GPIO(4), | |
55 | .end = IRQ_GPIO(4), | |
56 | .flags = IORESOURCE_IRQ, | |
57 | } | |
58 | }; | |
59 | ||
60 | static struct platform_device smc91x_device = { | |
61 | .name = "smc91x", | |
62 | .id = 0, | |
63 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
64 | .resource = smc91x_resources, | |
65 | }; | |
66 | ||
67 | static void idp_backlight_power(int on) | |
68 | { | |
69 | if (on) { | |
70 | IDP_CPLD_LCD |= (1<<1); | |
71 | } else { | |
72 | IDP_CPLD_LCD &= ~(1<<1); | |
73 | } | |
74 | } | |
75 | ||
76 | static void idp_vlcd(int on) | |
77 | { | |
78 | if (on) { | |
79 | IDP_CPLD_LCD |= (1<<2); | |
80 | } else { | |
81 | IDP_CPLD_LCD &= ~(1<<2); | |
82 | } | |
83 | } | |
84 | ||
d14b272b | 85 | static void idp_lcd_power(int on, struct fb_var_screeninfo *var) |
1da177e4 LT |
86 | { |
87 | if (on) { | |
88 | IDP_CPLD_LCD |= (1<<0); | |
89 | } else { | |
90 | IDP_CPLD_LCD &= ~(1<<0); | |
91 | } | |
92 | ||
93 | /* call idp_vlcd for now as core driver does not support | |
94 | * both power and vlcd hooks. Note, this is not technically | |
95 | * the correct sequence, but seems to work. Disclaimer: | |
96 | * this may eventually damage the display. | |
97 | */ | |
98 | ||
99 | idp_vlcd(on); | |
100 | } | |
101 | ||
d14b272b | 102 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
1da177e4 LT |
103 | .pixclock = 270000, |
104 | .xres = 640, | |
105 | .yres = 480, | |
106 | .bpp = 16, | |
107 | .hsync_len = 1, | |
108 | .left_margin = 3, | |
109 | .right_margin = 3, | |
110 | .vsync_len = 1, | |
111 | .upper_margin = 0, | |
112 | .lower_margin = 0, | |
113 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
114 | .cmap_greyscale = 0, | |
d14b272b RP |
115 | }; |
116 | ||
117 | static struct pxafb_mach_info sharp_lm8v31 = { | |
118 | .modes = &sharp_lm8v31_mode, | |
119 | .num_modes = 1, | |
1da177e4 LT |
120 | .cmap_inverse = 0, |
121 | .cmap_static = 0, | |
122 | .lccr0 = LCCR0_SDS, | |
123 | .lccr3 = LCCR3_PCP | LCCR3_Acb(255), | |
124 | .pxafb_backlight_power = &idp_backlight_power, | |
125 | .pxafb_lcd_power = &idp_lcd_power | |
126 | }; | |
127 | ||
40220c1a | 128 | static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data) |
1da177e4 LT |
129 | { |
130 | /* setup GPIO for PXA25x MMC controller */ | |
131 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
132 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
133 | ||
134 | return 0; | |
135 | } | |
136 | ||
137 | static struct pxamci_platform_data idp_mci_platform_data = { | |
138 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
139 | .init = idp_mci_init, | |
140 | }; | |
141 | ||
142 | static void __init idp_init(void) | |
143 | { | |
144 | printk("idp_init()\n"); | |
145 | ||
146 | platform_device_register(&smc91x_device); | |
147 | //platform_device_register(&mst_audio_device); | |
148 | set_pxa_fb_info(&sharp_lm8v31); | |
149 | pxa_set_mci_info(&idp_mci_platform_data); | |
150 | } | |
151 | ||
152 | static void __init idp_init_irq(void) | |
153 | { | |
154 | ||
cd49104d | 155 | pxa25x_init_irq(); |
1da177e4 LT |
156 | |
157 | set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE); | |
158 | } | |
159 | ||
160 | static struct map_desc idp_io_desc[] __initdata = { | |
6f9182eb DS |
161 | { |
162 | .virtual = IDP_COREVOLT_VIRT, | |
163 | .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS), | |
164 | .length = IDP_COREVOLT_SIZE, | |
165 | .type = MT_DEVICE | |
166 | }, { | |
167 | .virtual = IDP_CPLD_VIRT, | |
168 | .pfn = __phys_to_pfn(IDP_CPLD_PHYS), | |
169 | .length = IDP_CPLD_SIZE, | |
170 | .type = MT_DEVICE | |
171 | } | |
1da177e4 LT |
172 | }; |
173 | ||
174 | static void __init idp_map_io(void) | |
175 | { | |
176 | pxa_map_io(); | |
177 | iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc)); | |
178 | ||
179 | // serial ports 2 & 3 | |
180 | pxa_gpio_mode(GPIO42_BTRXD_MD); | |
181 | pxa_gpio_mode(GPIO43_BTTXD_MD); | |
182 | pxa_gpio_mode(GPIO44_BTCTS_MD); | |
183 | pxa_gpio_mode(GPIO45_BTRTS_MD); | |
184 | pxa_gpio_mode(GPIO46_STRXD_MD); | |
185 | pxa_gpio_mode(GPIO47_STTXD_MD); | |
186 | ||
187 | } | |
188 | ||
189 | ||
190 | MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") | |
e9dea0c6 | 191 | /* Maintainer: Vibren Technologies */ |
e9dea0c6 | 192 | .phys_io = 0x40000000, |
68070bde | 193 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 RK |
194 | .map_io = idp_map_io, |
195 | .init_irq = idp_init_irq, | |
1da177e4 | 196 | .timer = &pxa_timer, |
e9dea0c6 | 197 | .init_machine = idp_init, |
1da177e4 | 198 | MACHINE_END |