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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>
Russell Kinga09e64f2008-08-05 16:14:15 +010028#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#include <asm/irq.h>
30
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
Eric Miao51c62982009-01-02 23:17:22 +080034#include <mach/pxa25x.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010035#include <mach/idp.h>
36#include <mach/pxafb.h>
37#include <mach/bitfield.h>
38#include <mach/mmc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40#include "generic.h"
Russell King46c41e62007-05-15 15:39:36 +010041#include "devices.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43/* TODO:
44 * - add pxa2xx_audio_ops_t device structure
45 * - Ethernet interrupt
46 */
47
Eric Miao399ba622008-08-08 13:33:31 +080048static unsigned long idp_pin_config[] __initdata = {
Eric Miaobea95d22008-08-08 14:17:57 +080049 /* LCD */
Eric Miao07bae6c2010-01-04 11:25:10 +080050 GPIOxx_LCD_DSTN_16BPP,
Eric Miaobea95d22008-08-08 14:17:57 +080051
Eric Miao399ba622008-08-08 13:33:31 +080052 /* BTUART */
53 GPIO42_BTUART_RXD,
54 GPIO43_BTUART_TXD,
55 GPIO44_BTUART_CTS,
56 GPIO45_BTUART_RTS,
57
58 /* STUART */
59 GPIO46_STUART_RXD,
60 GPIO47_STUART_TXD,
61
62 /* MMC */
63 GPIO6_MMC_CLK,
64 GPIO8_MMC_CS0,
65
66 /* Ethernet */
67 GPIO33_nCS_5, /* Ethernet CS */
68 GPIO4_GPIO, /* Ethernet IRQ */
69};
70
Linus Torvalds1da177e2005-04-16 15:20:36 -070071static struct resource smc91x_resources[] = {
72 [0] = {
73 .start = (IDP_ETH_PHYS + 0x300),
74 .end = (IDP_ETH_PHYS + 0xfffff),
75 .flags = IORESOURCE_MEM,
76 },
77 [1] = {
78 .start = IRQ_GPIO(4),
79 .end = IRQ_GPIO(4),
Russell Kinge7b3dc72008-01-14 22:30:10 +000080 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Linus Torvalds1da177e2005-04-16 15:20:36 -070081 }
82};
83
84static struct platform_device smc91x_device = {
85 .name = "smc91x",
86 .id = 0,
87 .num_resources = ARRAY_SIZE(smc91x_resources),
88 .resource = smc91x_resources,
89};
90
91static void idp_backlight_power(int on)
92{
93 if (on) {
94 IDP_CPLD_LCD |= (1<<1);
95 } else {
96 IDP_CPLD_LCD &= ~(1<<1);
97 }
98}
99
100static void idp_vlcd(int on)
101{
102 if (on) {
103 IDP_CPLD_LCD |= (1<<2);
104 } else {
105 IDP_CPLD_LCD &= ~(1<<2);
106 }
107}
108
Richard Purdied14b2722006-09-20 22:54:21 +0100109static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110{
111 if (on) {
112 IDP_CPLD_LCD |= (1<<0);
113 } else {
114 IDP_CPLD_LCD &= ~(1<<0);
115 }
116
117 /* call idp_vlcd for now as core driver does not support
118 * both power and vlcd hooks. Note, this is not technically
119 * the correct sequence, but seems to work. Disclaimer:
120 * this may eventually damage the display.
121 */
122
123 idp_vlcd(on);
124}
125
Richard Purdied14b2722006-09-20 22:54:21 +0100126static struct pxafb_mode_info sharp_lm8v31_mode = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127 .pixclock = 270000,
128 .xres = 640,
129 .yres = 480,
130 .bpp = 16,
131 .hsync_len = 1,
132 .left_margin = 3,
133 .right_margin = 3,
134 .vsync_len = 1,
135 .upper_margin = 0,
136 .lower_margin = 0,
137 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
138 .cmap_greyscale = 0,
Richard Purdied14b2722006-09-20 22:54:21 +0100139};
140
141static struct pxafb_mach_info sharp_lm8v31 = {
142 .modes = &sharp_lm8v31_mode,
143 .num_modes = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 .cmap_inverse = 0,
145 .cmap_static = 0,
Eric Miaobea95d22008-08-08 14:17:57 +0800146 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
147 LCD_AC_BIAS_FREQ(255),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 .pxafb_backlight_power = &idp_backlight_power,
149 .pxafb_lcd_power = &idp_lcd_power
150};
151
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152static struct pxamci_platform_data idp_mci_platform_data = {
Robert Jarzmik7a648252009-07-06 22:16:42 +0200153 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
154 .gpio_card_detect = -1,
155 .gpio_card_ro = -1,
156 .gpio_power = -1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157};
158
159static void __init idp_init(void)
160{
161 printk("idp_init()\n");
162
Eric Miao399ba622008-08-08 13:33:31 +0800163 pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
Russell Kingcc155c62009-11-09 13:34:08 +0800164 pxa_set_ffuart_info(NULL);
165 pxa_set_btuart_info(NULL);
166 pxa_set_stuart_info(NULL);
Eric Miao399ba622008-08-08 13:33:31 +0800167
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168 platform_device_register(&smc91x_device);
169 //platform_device_register(&mst_audio_device);
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800170 pxa_set_fb_info(NULL, &sharp_lm8v31);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171 pxa_set_mci_info(&idp_mci_platform_data);
172}
173
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174static struct map_desc idp_io_desc[] __initdata = {
Deepak Saxena6f9182e2005-10-28 15:19:01 +0100175 {
176 .virtual = IDP_COREVOLT_VIRT,
177 .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
178 .length = IDP_COREVOLT_SIZE,
179 .type = MT_DEVICE
180 }, {
181 .virtual = IDP_CPLD_VIRT,
182 .pfn = __phys_to_pfn(IDP_CPLD_PHYS),
183 .length = IDP_CPLD_SIZE,
184 .type = MT_DEVICE
185 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186};
187
188static void __init idp_map_io(void)
189{
Marek Vasut851982c2010-10-11 02:20:19 +0200190 pxa25x_map_io();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191 iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192}
193
194
195MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100196 /* Maintainer: Vibren Technologies */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100197 .map_io = idp_map_io,
Eric Miaob40c6762008-08-08 14:33:29 +0800198 .init_irq = pxa25x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800199 .handle_irq = pxa25x_handle_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 .timer = &pxa_timer,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100201 .init_machine = idp_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202MACHINE_END