Merge branch 'autosuspend' into for-next
[linux-2.6] / arch / arm / mach-s3c2410 / mach-h1940.c
1 /* linux/arch/arm/mach-s3c2410/mach-h1940.c
2  *
3  * Copyright (c) 2003-2005 Simtec Electronics
4  *   Ben Dooks <ben@simtec.co.uk>
5  *
6  * http://www.handhelds.org/projects/h1940.html
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/sysdev.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
23 #include <linux/io.h>
24
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
28
29 #include <mach/hardware.h>
30 #include <asm/irq.h>
31 #include <asm/mach-types.h>
32
33 #include <plat/regs-serial.h>
34 #include <mach/regs-lcd.h>
35 #include <mach/regs-gpio.h>
36 #include <mach/regs-clock.h>
37
38 #include <mach/h1940.h>
39 #include <mach/h1940-latch.h>
40 #include <mach/fb.h>
41 #include <plat/udc.h>
42 #include <plat/iic.h>
43
44 #include <plat/clock.h>
45 #include <plat/devs.h>
46 #include <plat/cpu.h>
47 #include <plat/pll.h>
48 #include <plat/pm.h>
49
50 static struct map_desc h1940_iodesc[] __initdata = {
51         [0] = {
52                 .virtual        = (unsigned long)H1940_LATCH,
53                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
54                 .length         = SZ_16K,
55                 .type           = MT_DEVICE
56         },
57 };
58
59 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
60 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
61 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
62
63 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
64         [0] = {
65                 .hwport      = 0,
66                 .flags       = 0,
67                 .ucon        = 0x3c5,
68                 .ulcon       = 0x03,
69                 .ufcon       = 0x51,
70         },
71         [1] = {
72                 .hwport      = 1,
73                 .flags       = 0,
74                 .ucon        = 0x245,
75                 .ulcon       = 0x03,
76                 .ufcon       = 0x00,
77         },
78         /* IR port */
79         [2] = {
80                 .hwport      = 2,
81                 .flags       = 0,
82                 .uart_flags  = UPF_CONS_FLOW,
83                 .ucon        = 0x3c5,
84                 .ulcon       = 0x43,
85                 .ufcon       = 0x51,
86         }
87 };
88
89 /* Board control latch control */
90
91 static unsigned int latch_state = H1940_LATCH_DEFAULT;
92
93 void h1940_latch_control(unsigned int clear, unsigned int set)
94 {
95         unsigned long flags;
96
97         local_irq_save(flags);
98
99         latch_state &= ~clear;
100         latch_state |= set;
101
102         __raw_writel(latch_state, H1940_LATCH);
103
104         local_irq_restore(flags);
105 }
106
107 EXPORT_SYMBOL_GPL(h1940_latch_control);
108
109 static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
110 {
111         printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
112
113         switch (cmd)
114         {
115                 case S3C2410_UDC_P_ENABLE :
116                         h1940_latch_control(0, H1940_LATCH_USB_DP);
117                         break;
118                 case S3C2410_UDC_P_DISABLE :
119                         h1940_latch_control(H1940_LATCH_USB_DP, 0);
120                         break;
121                 case S3C2410_UDC_P_RESET :
122                         break;
123                 default:
124                         break;
125         }
126 }
127
128 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
129         .udc_command            = h1940_udc_pullup,
130         .vbus_pin               = S3C2410_GPG5,
131         .vbus_pin_inverted      = 1,
132 };
133
134
135 /**
136  * Set lcd on or off
137  **/
138 static struct s3c2410fb_display h1940_lcd __initdata = {
139         .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
140                         S3C2410_LCDCON5_INVVLINE | \
141                         S3C2410_LCDCON5_HWSWP,
142
143         .type =         S3C2410_LCDCON1_TFT,
144         .width =        240,
145         .height =       320,
146         .pixclock =     260000,
147         .xres =         240,
148         .yres =         320,
149         .bpp =          16,
150         .left_margin =  20,
151         .right_margin = 8,
152         .hsync_len =    4,
153         .upper_margin = 8,
154         .lower_margin = 7,
155         .vsync_len =    1,
156 };
157
158 static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
159         .displays = &h1940_lcd,
160         .num_displays = 1,
161         .default_display = 0,
162
163         .lpcsel=        0x02,
164         .gpccon=        0xaa940659,
165         .gpccon_mask=   0xffffffff,
166         .gpcup=         0x0000ffff,
167         .gpcup_mask=    0xffffffff,
168         .gpdcon=        0xaa84aaa0,
169         .gpdcon_mask=   0xffffffff,
170         .gpdup=         0x0000faff,
171         .gpdup_mask=    0xffffffff,
172 };
173
174 static struct platform_device s3c_device_leds = {
175         .name             = "h1940-leds",
176         .id               = -1,
177 };
178
179 static struct platform_device s3c_device_bluetooth = {
180         .name             = "h1940-bt",
181         .id               = -1,
182 };
183
184 static struct platform_device *h1940_devices[] __initdata = {
185         &s3c_device_usb,
186         &s3c_device_lcd,
187         &s3c_device_wdt,
188         &s3c_device_i2c0,
189         &s3c_device_iis,
190         &s3c_device_usbgadget,
191         &s3c_device_leds,
192         &s3c_device_bluetooth,
193 };
194
195 static void __init h1940_map_io(void)
196 {
197         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
198         s3c24xx_init_clocks(0);
199         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
200
201         /* setup PM */
202
203 #ifdef CONFIG_PM_H1940
204         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
205 #endif
206         s3c_pm_init();
207 }
208
209 static void __init h1940_init_irq(void)
210 {
211         s3c24xx_init_irq();
212 }
213
214 static void __init h1940_init(void)
215 {
216         u32 tmp;
217
218         s3c24xx_fb_set_platdata(&h1940_fb_info);
219         s3c24xx_udc_set_platdata(&h1940_udc_cfg);
220         s3c_i2c0_set_platdata(NULL);
221
222         /* Turn off suspend on both USB ports, and switch the
223          * selectable USB port to USB device mode. */
224
225         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
226                               S3C2410_MISCCR_USBSUSPND0 |
227                               S3C2410_MISCCR_USBSUSPND1, 0x0);
228
229         tmp =   (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
230               | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
231               | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
232         writel(tmp, S3C2410_UPLLCON);
233
234         platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
235 }
236
237 MACHINE_START(H1940, "IPAQ-H1940")
238         /* Maintainer: Ben Dooks <ben@fluff.org> */
239         .phys_io        = S3C2410_PA_UART,
240         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
241         .boot_params    = S3C2410_SDRAM_PA + 0x100,
242         .map_io         = h1940_map_io,
243         .init_irq       = h1940_init_irq,
244         .init_machine   = h1940_init,
245         .timer          = &s3c24xx_timer,
246 MACHINE_END