blob: 3e4b0ab71c66bbe40530ef03935d29126b3942e8 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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>
Thomas Gleixner1623dee2006-07-01 22:32:20 +010021#include <linux/irq.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010022#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#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
47static 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
60static struct platform_device smc91x_device = {
61 .name = "smc91x",
62 .id = 0,
63 .num_resources = ARRAY_SIZE(smc91x_resources),
64 .resource = smc91x_resources,
65};
66
67static 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
76static 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
Richard Purdied14b2722006-09-20 22:54:21 +010085static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
Linus Torvalds1da177e2005-04-16 15:20:36 -070086{
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
Richard Purdied14b2722006-09-20 22:54:21 +0100102static struct pxafb_mode_info sharp_lm8v31_mode = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103 .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,
Richard Purdied14b2722006-09-20 22:54:21 +0100115};
116
117static struct pxafb_mach_info sharp_lm8v31 = {
118 .modes = &sharp_lm8v31_mode,
119 .num_modes = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 .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
128static int idp_mci_init(struct device *dev, irqreturn_t (*idp_detect_int)(int, void *, struct pt_regs *), 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
137static 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
142static 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
152static 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
160static struct map_desc idp_io_desc[] __initdata = {
Deepak Saxena6f9182e2005-10-28 15:19:01 +0100161 {
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 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700172};
173
174static 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
190MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100191 /* Maintainer: Vibren Technologies */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100192 .phys_io = 0x40000000,
Russell King68070bd2005-07-04 10:44:34 +0100193 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100194 .map_io = idp_map_io,
195 .init_irq = idp_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700196 .timer = &pxa_timer,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100197 .init_machine = idp_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198MACHINE_END