Initial blind fixup for arm for irq changes
[linux-2.6.git] / arch / arm / mach-pxa / idp.c
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/irq.h>
22 #include <linux/platform_device.h>
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
85 static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
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
102 static struct pxafb_mode_info sharp_lm8v31_mode = {
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,
115 };
116
117 static struct pxafb_mach_info sharp_lm8v31 = {
118         .modes          = &sharp_lm8v31_mode,
119         .num_modes      = 1,
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
128 static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *), void *data)
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
155         pxa_init_irq();
156
157         set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
158 }
159
160 static struct map_desc idp_io_desc[] __initdata = {
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         }
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")
191         /* Maintainer: Vibren Technologies */
192         .phys_io        = 0x40000000,
193         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
194         .map_io         = idp_map_io,
195         .init_irq       = idp_init_irq,
196         .timer          = &pxa_timer,
197         .init_machine   = idp_init,
198 MACHINE_END