[ARM] 4272/1: Missing symbol h1940_pm_return fix
[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/serial_core.h>
21 #include <linux/platform_device.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
26
27 #include <asm/hardware.h>
28 #include <asm/io.h>
29 #include <asm/irq.h>
30 #include <asm/mach-types.h>
31
32 #include <asm/arch/regs-serial.h>
33 #include <asm/arch/regs-lcd.h>
34 #include <asm/arch/regs-gpio.h>
35 #include <asm/arch/regs-clock.h>
36
37 #include <asm/arch/h1940.h>
38 #include <asm/arch/h1940-latch.h>
39 #include <asm/arch/fb.h>
40 #include <asm/arch/udc.h>
41
42 #include <asm/plat-s3c24xx/clock.h>
43 #include <asm/plat-s3c24xx/devs.h>
44 #include <asm/plat-s3c24xx/cpu.h>
45 #include <asm/plat-s3c24xx/pm.h>
46
47 static struct map_desc h1940_iodesc[] __initdata = {
48         [0] = {
49                 .virtual        = (unsigned long)H1940_LATCH,
50                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
51                 .length         = SZ_16K,
52                 .type           = MT_DEVICE
53         },
54 };
55
56 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
59
60 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
61         [0] = {
62                 .hwport      = 0,
63                 .flags       = 0,
64                 .ucon        = 0x3c5,
65                 .ulcon       = 0x03,
66                 .ufcon       = 0x51,
67         },
68         [1] = {
69                 .hwport      = 1,
70                 .flags       = 0,
71                 .ucon        = 0x245,
72                 .ulcon       = 0x03,
73                 .ufcon       = 0x00,
74         },
75         /* IR port */
76         [2] = {
77                 .hwport      = 2,
78                 .flags       = 0,
79                 .uart_flags  = UPF_CONS_FLOW,
80                 .ucon        = 0x3c5,
81                 .ulcon       = 0x43,
82                 .ufcon       = 0x51,
83         }
84 };
85
86 /* Board control latch control */
87
88 static unsigned int latch_state = H1940_LATCH_DEFAULT;
89
90 void h1940_latch_control(unsigned int clear, unsigned int set)
91 {
92         unsigned long flags;
93
94         local_irq_save(flags);
95
96         latch_state &= ~clear;
97         latch_state |= set;
98
99         __raw_writel(latch_state, H1940_LATCH);
100
101         local_irq_restore(flags);
102 }
103
104 EXPORT_SYMBOL_GPL(h1940_latch_control);
105
106 static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
107 {
108         printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
109
110         switch (cmd)
111         {
112                 case S3C2410_UDC_P_ENABLE :
113                         h1940_latch_control(0, H1940_LATCH_USB_DP);
114                         break;
115                 case S3C2410_UDC_P_DISABLE :
116                         h1940_latch_control(H1940_LATCH_USB_DP, 0);
117                         break;
118                 case S3C2410_UDC_P_RESET :
119                         break;
120                 default:
121                         break;
122         }
123 }
124
125 static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
126         .udc_command            = h1940_udc_pullup,
127         .vbus_pin               = S3C2410_GPG5,
128         .vbus_pin_inverted      = 1,
129 };
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 *h1940_devices[] __initdata = {
182         &s3c_device_usb,
183         &s3c_device_lcd,
184         &s3c_device_wdt,
185         &s3c_device_i2c,
186         &s3c_device_iis,
187         &s3c_device_usbgadget,
188         &s3c_device_leds,
189 };
190
191 static struct s3c24xx_board h1940_board __initdata = {
192         .devices       = h1940_devices,
193         .devices_count = ARRAY_SIZE(h1940_devices)
194 };
195
196 static void __init h1940_map_io(void)
197 {
198         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
199         s3c24xx_init_clocks(0);
200         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
201         s3c24xx_set_board(&h1940_board);
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
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