ARM: Merge next-s3c24xx-dev-rtp
[linux-2.6-block.git] / arch / arm / mach-s3c2410 / mach-h1940.c
CommitLineData
1da177e4
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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 *
1da177e4
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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>
333a42e1 20#include <linux/sysdev.h>
b6d1f542 21#include <linux/serial_core.h>
d052d1be 22#include <linux/platform_device.h>
fced80c7 23#include <linux/io.h>
3909b9f7 24#include <linux/gpio.h>
22e649ff 25#include <linux/pwm_backlight.h>
26#include <video/platform_lcd.h>
3909b9f7 27
28#include <linux/mmc/host.h>
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29
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33
a09e64fb 34#include <mach/hardware.h>
1da177e4
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35#include <asm/irq.h>
36#include <asm/mach-types.h>
37
a2b7ba9c 38#include <plat/regs-serial.h>
a09e64fb 39#include <mach/regs-lcd.h>
a09e64fb 40#include <mach/regs-clock.h>
f92273c1 41
3909b9f7 42#include <mach/regs-gpio.h>
43#include <mach/gpio-fns.h>
44#include <mach/gpio-nrs.h>
45
a09e64fb
RK
46#include <mach/h1940.h>
47#include <mach/h1940-latch.h>
48#include <mach/fb.h>
57bd4b91 49#include <plat/udc.h>
3e1b776c 50#include <plat/iic.h>
1da177e4 51
d5120ae7 52#include <plat/clock.h>
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BD
53#include <plat/devs.h>
54#include <plat/cpu.h>
e24b864a 55#include <plat/pll.h>
a2b7ba9c 56#include <plat/pm.h>
3909b9f7 57#include <plat/mci.h>
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58
59static struct map_desc h1940_iodesc[] __initdata = {
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60 [0] = {
61 .virtual = (unsigned long)H1940_LATCH,
62 .pfn = __phys_to_pfn(H1940_PA_LATCH),
63 .length = SZ_16K,
64 .type = MT_DEVICE
65 },
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66};
67
68#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
69#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
70#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
71
66a9b49a 72static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
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73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = 0x3c5,
77 .ulcon = 0x03,
78 .ufcon = 0x51,
79 },
80 [1] = {
81 .hwport = 1,
82 .flags = 0,
83 .ucon = 0x245,
84 .ulcon = 0x03,
85 .ufcon = 0x00,
86 },
87 /* IR port */
88 [2] = {
89 .hwport = 2,
90 .flags = 0,
91 .uart_flags = UPF_CONS_FLOW,
92 .ucon = 0x3c5,
93 .ulcon = 0x43,
94 .ufcon = 0x51,
95 }
96};
97
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BD
98/* Board control latch control */
99
100static unsigned int latch_state = H1940_LATCH_DEFAULT;
101
102void h1940_latch_control(unsigned int clear, unsigned int set)
103{
104 unsigned long flags;
105
106 local_irq_save(flags);
107
108 latch_state &= ~clear;
109 latch_state |= set;
110
111 __raw_writel(latch_state, H1940_LATCH);
112
113 local_irq_restore(flags);
114}
115
116EXPORT_SYMBOL_GPL(h1940_latch_control);
1da177e4 117
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AP
118static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd)
119{
120 printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
121
122 switch (cmd)
123 {
124 case S3C2410_UDC_P_ENABLE :
125 h1940_latch_control(0, H1940_LATCH_USB_DP);
126 break;
127 case S3C2410_UDC_P_DISABLE :
128 h1940_latch_control(H1940_LATCH_USB_DP, 0);
129 break;
130 case S3C2410_UDC_P_RESET :
131 break;
132 default:
133 break;
134 }
135}
136
137static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
138 .udc_command = h1940_udc_pullup,
070276d5 139 .vbus_pin = S3C2410_GPG(5),
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140 .vbus_pin_inverted = 1,
141};
142
143
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144/**
145 * Set lcd on or off
146 **/
09fe75f6 147static struct s3c2410fb_display h1940_lcd __initdata = {
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148 .lcdcon5= S3C2410_LCDCON5_FRM565 | \
149 S3C2410_LCDCON5_INVVLINE | \
150 S3C2410_LCDCON5_HWSWP,
09fe75f6 151
1f411537 152 .type = S3C2410_LCDCON1_TFT,
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153 .width = 240,
154 .height = 320,
69816699 155 .pixclock = 260000,
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156 .xres = 240,
157 .yres = 320,
158 .bpp = 16,
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159 .left_margin = 20,
160 .right_margin = 8,
93d11f5a 161 .hsync_len = 4,
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162 .upper_margin = 8,
163 .lower_margin = 7,
93d11f5a 164 .vsync_len = 1,
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165};
166
167static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
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168 .displays = &h1940_lcd,
169 .num_displays = 1,
170 .default_display = 0,
171
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172 .lpcsel= 0x02,
173 .gpccon= 0xaa940659,
174 .gpccon_mask= 0xffffffff,
175 .gpcup= 0x0000ffff,
176 .gpcup_mask= 0xffffffff,
177 .gpdcon= 0xaa84aaa0,
178 .gpdcon_mask= 0xffffffff,
179 .gpdup= 0x0000faff,
180 .gpdup_mask= 0xffffffff,
f92273c1 181};
1da177e4 182
ff34aaa9 183static struct platform_device h1940_device_leds = {
d2a76020
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184 .name = "h1940-leds",
185 .id = -1,
186};
187
ff34aaa9 188static struct platform_device h1940_device_bluetooth = {
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189 .name = "h1940-bt",
190 .id = -1,
191};
192
3909b9f7 193static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
194 .gpio_detect = S3C2410_GPF(5),
195 .gpio_wprotect = S3C2410_GPH(8),
196 .set_power = NULL,
197 .ocr_avail = MMC_VDD_32_33,
198};
199
22e649ff 200static int h1940_backlight_init(struct device *dev)
201{
202 gpio_request(S3C2410_GPB(0), "Backlight");
203
204 s3c2410_gpio_setpin(S3C2410_GPB(0), 0);
205 s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
206 s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
207
208 return 0;
209}
210
211static void h1940_backlight_exit(struct device *dev)
212{
213 s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/);
214}
215
216static struct platform_pwm_backlight_data backlight_data = {
217 .pwm_id = 0,
218 .max_brightness = 100,
219 .dft_brightness = 50,
220 /* tcnt = 0x31 */
221 .pwm_period_ns = 36296,
222 .init = h1940_backlight_init,
223 .exit = h1940_backlight_exit,
224};
225
226static struct platform_device h1940_backlight = {
227 .name = "pwm-backlight",
228 .dev = {
229 .parent = &s3c_device_timer[0].dev,
230 .platform_data = &backlight_data,
231 },
232 .id = -1,
233};
234
235static void h1940_lcd_power_set(struct plat_lcd_data *pd,
236 unsigned int power)
237{
238 int value;
239
240 if (!power) {
241 /* set to 3ec */
242 s3c2410_gpio_setpin(S3C2410_GPC(0), 0);
243 /* wait for 3ac */
244 do {
245 value = s3c2410_gpio_getpin(S3C2410_GPC(6));
246 } while (value);
247 /* set to 38c */
248 s3c2410_gpio_setpin(S3C2410_GPC(5), 0);
249 } else {
250 /* Set to 3ac */
251 s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
252 /* Set to 3ad */
253 s3c2410_gpio_setpin(S3C2410_GPC(0), 1);
254 }
255}
256
257static struct plat_lcd_data h1940_lcd_power_data = {
258 .set_power = h1940_lcd_power_set,
259};
260
261static struct platform_device h1940_lcd_powerdev = {
262 .name = "platform-lcd",
263 .dev.parent = &s3c_device_lcd.dev,
264 .dev.platform_data = &h1940_lcd_power_data,
265};
266
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267static struct platform_device *h1940_devices[] __initdata = {
268 &s3c_device_usb,
269 &s3c_device_lcd,
270 &s3c_device_wdt,
3e1b776c 271 &s3c_device_i2c0,
1da177e4 272 &s3c_device_iis,
71a9c424 273 &s3c_device_usbgadget,
ff34aaa9
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274 &h1940_device_leds,
275 &h1940_device_bluetooth,
3909b9f7 276 &s3c_device_sdi,
13733d52 277 &s3c_device_rtc,
22e649ff 278 &s3c_device_timer[0],
279 &h1940_backlight,
280 &h1940_lcd_powerdev,
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281};
282
5fe10ab1 283static void __init h1940_map_io(void)
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284{
285 s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
286 s3c24xx_init_clocks(0);
287 s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
9073341c
BD
288
289 /* setup PM */
290
b1dfe1f1 291#ifdef CONFIG_PM_H1940
9073341c 292 memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
b1dfe1f1 293#endif
4e59c25d 294 s3c_pm_init();
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295}
296
5fe10ab1 297static void __init h1940_init_irq(void)
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298{
299 s3c24xx_init_irq();
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300}
301
5fe10ab1 302static void __init h1940_init(void)
f92273c1 303{
71a9c424
AP
304 u32 tmp;
305
09fe75f6 306 s3c24xx_fb_set_platdata(&h1940_fb_info);
71a9c424 307 s3c24xx_udc_set_platdata(&h1940_udc_cfg);
3e1b776c 308 s3c_i2c0_set_platdata(NULL);
71a9c424 309
3909b9f7 310 s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
311
71a9c424
AP
312 /* Turn off suspend on both USB ports, and switch the
313 * selectable USB port to USB device mode. */
314
315 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
316 S3C2410_MISCCR_USBSUSPND0 |
317 S3C2410_MISCCR_USBSUSPND1, 0x0);
318
e24b864a
BD
319 tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
320 | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
321 | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
71a9c424 322 writel(tmp, S3C2410_UPLLCON);
57e5171c 323
22e649ff 324 gpio_request(S3C2410_GPC(0), "LCD power");
325 gpio_request(S3C2410_GPC(5), "LCD power");
326 gpio_request(S3C2410_GPC(6), "LCD power");
327
328
57e5171c 329 platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
f92273c1
AP
330}
331
1da177e4 332MACHINE_START(H1940, "IPAQ-H1940")
e9dea0c6 333 /* Maintainer: Ben Dooks <ben@fluff.org> */
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RK
334 .phys_io = S3C2410_PA_UART,
335 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
336 .boot_params = S3C2410_SDRAM_PA + 0x100,
337 .map_io = h1940_map_io,
338 .init_irq = h1940_init_irq,
71a9c424 339 .init_machine = h1940_init,
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340 .timer = &s3c24xx_timer,
341MACHINE_END