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 #include "devices.h"
42
43 /* TODO:
44 * - add pxa2xx_audio_ops_t device structure
45 * - Ethernet interrupt
46 */
47
48 static struct resource smc91x_resources[] = {
49 [0] = {
50 .start = (IDP_ETH_PHYS + 0x300),
51 .end = (IDP_ETH_PHYS + 0xfffff),
52 .flags = IORESOURCE_MEM,
53 },
54 [1] = {
55 .start = IRQ_GPIO(4),
56 .end = IRQ_GPIO(4),
57 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
58 }
59 };
60
61 static struct platform_device smc91x_device = {
62 .name = "smc91x",
63 .id = 0,
64 .num_resources = ARRAY_SIZE(smc91x_resources),
65 .resource = smc91x_resources,
66 };
67
68 static void idp_backlight_power(int on)
69 {
70 if (on) {
71 IDP_CPLD_LCD |= (1<<1);
72 } else {
73 IDP_CPLD_LCD &= ~(1<<1);
74 }
75 }
76
77 static void idp_vlcd(int on)
78 {
79 if (on) {
80 IDP_CPLD_LCD |= (1<<2);
81 } else {
82 IDP_CPLD_LCD &= ~(1<<2);
83 }
84 }
85
86 static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
87 {
88 if (on) {
89 IDP_CPLD_LCD |= (1<<0);
90 } else {
91 IDP_CPLD_LCD &= ~(1<<0);
92 }
93
94 /* call idp_vlcd for now as core driver does not support
95 * both power and vlcd hooks. Note, this is not technically
96 * the correct sequence, but seems to work. Disclaimer:
97 * this may eventually damage the display.
98 */
99
100 idp_vlcd(on);
101 }
102
103 static struct pxafb_mode_info sharp_lm8v31_mode = {
104 .pixclock = 270000,
105 .xres = 640,
106 .yres = 480,
107 .bpp = 16,
108 .hsync_len = 1,
109 .left_margin = 3,
110 .right_margin = 3,
111 .vsync_len = 1,
112 .upper_margin = 0,
113 .lower_margin = 0,
114 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
115 .cmap_greyscale = 0,
116 };
117
118 static struct pxafb_mach_info sharp_lm8v31 = {
119 .modes = &sharp_lm8v31_mode,
120 .num_modes = 1,
121 .cmap_inverse = 0,
122 .cmap_static = 0,
123 .lccr0 = LCCR0_SDS,
124 .lccr3 = LCCR3_PCP | LCCR3_Acb(255),
125 .pxafb_backlight_power = &idp_backlight_power,
126 .pxafb_lcd_power = &idp_lcd_power
127 };
128
129 static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
130 {
131 /* setup GPIO for PXA25x MMC controller */
132 pxa_gpio_mode(GPIO6_MMCCLK_MD);
133 pxa_gpio_mode(GPIO8_MMCCS0_MD);
134
135 return 0;
136 }
137
138 static struct pxamci_platform_data idp_mci_platform_data = {
139 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
140 .init = idp_mci_init,
141 };
142
143 static void __init idp_init(void)
144 {
145 printk("idp_init()\n");
146
147 platform_device_register(&smc91x_device);
148 //platform_device_register(&mst_audio_device);
149 set_pxa_fb_info(&sharp_lm8v31);
150 pxa_set_mci_info(&idp_mci_platform_data);
151 }
152
153 static void __init idp_init_irq(void)
154 {
155
156 pxa25x_init_irq();
157
158 set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
159 }
160
161 static struct map_desc idp_io_desc[] __initdata = {
162 {
163 .virtual = IDP_COREVOLT_VIRT,
164 .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
165 .length = IDP_COREVOLT_SIZE,
166 .type = MT_DEVICE
167 }, {
168 .virtual = IDP_CPLD_VIRT,
169 .pfn = __phys_to_pfn(IDP_CPLD_PHYS),
170 .length = IDP_CPLD_SIZE,
171 .type = MT_DEVICE
172 }
173 };
174
175 static void __init idp_map_io(void)
176 {
177 pxa_map_io();
178 iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
179
180 // serial ports 2 & 3
181 pxa_gpio_mode(GPIO42_BTRXD_MD);
182 pxa_gpio_mode(GPIO43_BTTXD_MD);
183 pxa_gpio_mode(GPIO44_BTCTS_MD);
184 pxa_gpio_mode(GPIO45_BTRTS_MD);
185 pxa_gpio_mode(GPIO46_STRXD_MD);
186 pxa_gpio_mode(GPIO47_STTXD_MD);
187
188 }
189
190
191 MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
192 /* Maintainer: Vibren Technologies */
193 .phys_io = 0x40000000,
194 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
195 .map_io = idp_map_io,
196 .init_irq = idp_init_irq,
197 .timer = &pxa_timer,
198 .init_machine = idp_init,
199 MACHINE_END
200
|
This page was automatically generated by the
LXR engine.
|