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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> | |
21 | #include <linux/device.h> | |
22 | #include <linux/fb.h> | |
23 | ||
24 | #include <asm/setup.h> | |
25 | #include <asm/memory.h> | |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/hardware.h> | |
28 | #include <asm/irq.h> | |
29 | ||
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | ||
33 | #include <asm/arch/pxa-regs.h> | |
34 | #include <asm/arch/idp.h> | |
35 | #include <asm/arch/pxafb.h> | |
36 | #include <asm/arch/bitfield.h> | |
37 | #include <asm/arch/mmc.h> | |
38 | ||
39 | #include "generic.h" | |
40 | ||
41 | /* TODO: | |
42 | * - add pxa2xx_audio_ops_t device structure | |
43 | * - Ethernet interrupt | |
44 | */ | |
45 | ||
46 | static struct resource smc91x_resources[] = { | |
47 | [0] = { | |
48 | .start = (IDP_ETH_PHYS + 0x300), | |
49 | .end = (IDP_ETH_PHYS + 0xfffff), | |
50 | .flags = IORESOURCE_MEM, | |
51 | }, | |
52 | [1] = { | |
53 | .start = IRQ_GPIO(4), | |
54 | .end = IRQ_GPIO(4), | |
55 | .flags = IORESOURCE_IRQ, | |
56 | } | |
57 | }; | |
58 | ||
59 | static struct platform_device smc91x_device = { | |
60 | .name = "smc91x", | |
61 | .id = 0, | |
62 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
63 | .resource = smc91x_resources, | |
64 | }; | |
65 | ||
66 | static void idp_backlight_power(int on) | |
67 | { | |
68 | if (on) { | |
69 | IDP_CPLD_LCD |= (1<<1); | |
70 | } else { | |
71 | IDP_CPLD_LCD &= ~(1<<1); | |
72 | } | |
73 | } | |
74 | ||
75 | static void idp_vlcd(int on) | |
76 | { | |
77 | if (on) { | |
78 | IDP_CPLD_LCD |= (1<<2); | |
79 | } else { | |
80 | IDP_CPLD_LCD &= ~(1<<2); | |
81 | } | |
82 | } | |
83 | ||
84 | static void idp_lcd_power(int on) | |
85 | { | |
86 | if (on) { | |
87 | IDP_CPLD_LCD |= (1<<0); | |
88 | } else { | |
89 | IDP_CPLD_LCD &= ~(1<<0); | |
90 | } | |
91 | ||
92 | /* call idp_vlcd for now as core driver does not support | |
93 | * both power and vlcd hooks. Note, this is not technically | |
94 | * the correct sequence, but seems to work. Disclaimer: | |
95 | * this may eventually damage the display. | |
96 | */ | |
97 | ||
98 | idp_vlcd(on); | |
99 | } | |
100 | ||
101 | static struct pxafb_mach_info sharp_lm8v31 __initdata = { | |
102 | .pixclock = 270000, | |
103 | .xres = 640, | |
104 | .yres = 480, | |
105 | .bpp = 16, | |
106 | .hsync_len = 1, | |
107 | .left_margin = 3, | |
108 | .right_margin = 3, | |
109 | .vsync_len = 1, | |
110 | .upper_margin = 0, | |
111 | .lower_margin = 0, | |
112 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
113 | .cmap_greyscale = 0, | |
114 | .cmap_inverse = 0, | |
115 | .cmap_static = 0, | |
116 | .lccr0 = LCCR0_SDS, | |
117 | .lccr3 = LCCR3_PCP | LCCR3_Acb(255), | |
118 | .pxafb_backlight_power = &idp_backlight_power, | |
119 | .pxafb_lcd_power = &idp_lcd_power | |
120 | }; | |
121 | ||
122 | static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), void *data) | |
123 | { | |
124 | /* setup GPIO for PXA25x MMC controller */ | |
125 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
126 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | static struct pxamci_platform_data idp_mci_platform_data = { | |
132 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
133 | .init = idp_mci_init, | |
134 | }; | |
135 | ||
136 | static void __init idp_init(void) | |
137 | { | |
138 | printk("idp_init()\n"); | |
139 | ||
140 | platform_device_register(&smc91x_device); | |
141 | //platform_device_register(&mst_audio_device); | |
142 | set_pxa_fb_info(&sharp_lm8v31); | |
143 | pxa_set_mci_info(&idp_mci_platform_data); | |
144 | } | |
145 | ||
146 | static void __init idp_init_irq(void) | |
147 | { | |
148 | ||
149 | pxa_init_irq(); | |
150 | ||
151 | set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE); | |
152 | } | |
153 | ||
154 | static struct map_desc idp_io_desc[] __initdata = { | |
6f9182eb DS |
155 | { |
156 | .virtual = IDP_COREVOLT_VIRT, | |
157 | .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS), | |
158 | .length = IDP_COREVOLT_SIZE, | |
159 | .type = MT_DEVICE | |
160 | }, { | |
161 | .virtual = IDP_CPLD_VIRT, | |
162 | .pfn = __phys_to_pfn(IDP_CPLD_PHYS), | |
163 | .length = IDP_CPLD_SIZE, | |
164 | .type = MT_DEVICE | |
165 | } | |
1da177e4 LT |
166 | }; |
167 | ||
168 | static void __init idp_map_io(void) | |
169 | { | |
170 | pxa_map_io(); | |
171 | iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc)); | |
172 | ||
173 | // serial ports 2 & 3 | |
174 | pxa_gpio_mode(GPIO42_BTRXD_MD); | |
175 | pxa_gpio_mode(GPIO43_BTTXD_MD); | |
176 | pxa_gpio_mode(GPIO44_BTCTS_MD); | |
177 | pxa_gpio_mode(GPIO45_BTRTS_MD); | |
178 | pxa_gpio_mode(GPIO46_STRXD_MD); | |
179 | pxa_gpio_mode(GPIO47_STTXD_MD); | |
180 | ||
181 | } | |
182 | ||
183 | ||
184 | MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") | |
e9dea0c6 RK |
185 | /* Maintainer: Vibren Technologies */ |
186 | .phys_ram = 0xa0000000, | |
187 | .phys_io = 0x40000000, | |
68070bde | 188 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 RK |
189 | .map_io = idp_map_io, |
190 | .init_irq = idp_init_irq, | |
1da177e4 | 191 | .timer = &pxa_timer, |
e9dea0c6 | 192 | .init_machine = idp_init, |
1da177e4 | 193 | MACHINE_END |