4102235e085be5a7d3933ffc7bffc34f2767f05d
[linux-2.6.git] / 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
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26 #include <asm/mach/irq.h>
27
28 #include <asm/hardware.h>
29 #include <asm/io.h>
30 #include <asm/irq.h>
31 #include <asm/mach-types.h>
32
33 #include <asm/plat-s3c/regs-serial.h>
34 #include <asm/arch/regs-lcd.h>
35 #include <asm/arch/regs-gpio.h>
36 #include <asm/arch/regs-clock.h>
37
38 #include <asm/arch/h1940.h>
39 #include <asm/arch/h1940-latch.h>
40 #include <asm/arch/fb.h>
41 #include <asm/arch/udc.h>
42
43 #include <asm/plat-s3c24xx/clock.h>
44 #include <asm/plat-s3c24xx/devs.h>
45 #include <asm/plat-s3c24xx/cpu.h>
46 #include <asm/plat-s3c24xx/pm.h>
47
48 static struct map_desc h1940_iodesc[] __initdata = {
49         [0] = {
50                 .virtual        = (unsigned long)H1940_LATCH,
51                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
52                 .length         = SZ_16K,
53                 .type           = MT_DEVICE
54         },
55 };
56
57 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
58 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
59 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
60
61 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
62         [0] = {
63                 .hwport      = 0,
64                 .flags       = 0,
65                 .ucon        = 0x3c5,
66                 .ulcon       = 0x03,
67                 .ufcon       = 0x51,
68         },
69         [1] = {
70                 .hwport      = 1,
71                 .flags       = 0,
72                 .ucon        = 0x245,
73                 .ulcon       = 0x03,
74                 .ufcon       = 0x00,
75         },
76         /* IR port */
77         [2] = {
78                 .hwport      = 2,
79                 .flags       = 0,
80                 .uart_flags  = UPF_CONS_FLOW,
81                 .ucon        = 0x3c5,
82                 .ulcon       = 0x43,
83                 .ufcon       = 0x51,
84         }
85 };
86
87 /* Board control latch control */
88
89 static unsigned int latch_state = H1940_LATCH_DEFAULT;
90
91 void h1940_latch_control(unsigned int clear, unsigned int set)
92 {
93         unsigned long flags;
94
95         local_irq_save(flags);
96
97         latch_state &= ~clear;
98         latch_state |= set;
99
100         __raw_writel(latch_state, H1940_LATCH);
101
102         local_irq_restore(flags);
103 }
104
105 EXPORT_SYMBOL_GPL(h1940_latch_control);
106
107 static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
108 {
109         printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
110
111         switch (cmd)
112         {
113                 case S3C2410_UDC_P_ENABLE :
114                         h1940_latch_control(0, H1940_LATCH_USB_DP);
115                         break;
116                 case S3C2410_UDC_P_DISABLE :
117                         h1940_latch_control(H1940_LATCH_USB_DP, 0);
118                         break;
119                 case S3C2410_UDC_P_RESET :
120                         break;
121                 default:
122                         break;
123         }
124 }
125
126 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
127         .udc_command            = h1940_udc_pullup,
128         .vbus_pin               = S3C2410_GPG5,
129         .vbus_pin_inverted      = 1,
130 };
131
132
133 /**
134  * Set lcd on or off
135  **/
136 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
137         .fixed_syncs=           1,
138         .regs={
139                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
140                                 S3C2410_LCDCON1_TFT | \
141                                 S3C2410_LCDCON1_CLKVAL(0x0C),
142
143                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
144                                 S3C2410_LCDCON2_LINEVAL(319) | \
145                                 S3C2410_LCDCON2_VFPD(6) | \
146                                 S3C2410_LCDCON2_VSPW(0),
147
148                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
149                                 S3C2410_LCDCON3_HOZVAL(239) | \
150                                 S3C2410_LCDCON3_HFPD(7),
151
152                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
153                                 S3C2410_LCDCON4_HSPW(3),
154
155                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
156                                 S3C2410_LCDCON5_INVVLINE | \
157                                 S3C2410_LCDCON5_HWSWP,
158         },
159         .lpcsel=        0x02,
160         .gpccon=        0xaa940659,
161         .gpccon_mask=   0xffffffff,
162         .gpcup=         0x0000ffff,
163         .gpcup_mask=    0xffffffff,
164         .gpdcon=        0xaa84aaa0,
165         .gpdcon_mask=   0xffffffff,
166         .gpdup=         0x0000faff,
167         .gpdup_mask=    0xffffffff,
168
169         .width=         240,
170         .height=        320,
171         .xres=          {240,240,240},
172         .yres=          {320,320,320},
173         .bpp=           {16,16,16},
174 };
175
176 static struct platform_device s3c_device_leds = {
177         .name             = "h1940-leds",
178         .id               = -1,
179 };
180
181 static struct platform_device s3c_device_bluetooth = {
182         .name             = "h1940-bt",
183         .id               = -1,
184 };
185
186 static struct platform_device *h1940_devices[] __initdata = {
187         &s3c_device_usb,
188         &s3c_device_lcd,
189         &s3c_device_wdt,
190         &s3c_device_i2c,
191         &s3c_device_iis,
192         &s3c_device_usbgadget,
193         &s3c_device_leds,
194         &s3c_device_bluetooth,
195 };
196
197 static void __init h1940_map_io(void)
198 {
199         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
200         s3c24xx_init_clocks(0);
201         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
202
203         /* setup PM */
204
205 #ifdef CONFIG_PM_H1940
206         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
207 #endif
208         s3c2410_pm_init();
209 }
210
211 static void __init h1940_init_irq(void)
212 {
213         s3c24xx_init_irq();
214 }
215
216 static void __init h1940_init(void)
217 {
218         u32 tmp;
219
220         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
221         s3c24xx_udc_set_platdata(&h1940_udc_cfg);
222
223         /* Turn off suspend on both USB ports, and switch the
224          * selectable USB port to USB device mode. */
225
226         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
227                               S3C2410_MISCCR_USBSUSPND0 |
228                               S3C2410_MISCCR_USBSUSPND1, 0x0);
229
230         tmp = (
231                  0x78 << S3C2410_PLLCON_MDIVSHIFT)
232               | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
233               | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
234         writel(tmp, S3C2410_UPLLCON);
235
236         platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
237 }
238
239 MACHINE_START(H1940, "IPAQ-H1940")
240         /* Maintainer: Ben Dooks <ben@fluff.org> */
241         .phys_io        = S3C2410_PA_UART,
242         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
243         .boot_params    = S3C2410_SDRAM_PA + 0x100,
244         .map_io         = h1940_map_io,
245         .init_irq       = h1940_init_irq,
246         .init_machine   = h1940_init,
247         .timer          = &s3c24xx_timer,
248 MACHINE_END