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Christer Weinigel95790872008-07-07 18:12:45 +01001/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
2 * Yakumo AlphaX and Airis NC05 PDAs.
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Copyright (c) 2003-2005 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 *
Christer Weinigel196a0472008-07-07 18:12:41 +01007 * Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
9 * There is a wiki with more information about the n30 port at
10 * http://handhelds.org/moin/moin.cgi/AcerN30Documentation .
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
Christer Weinigel95790872008-07-07 18:12:45 +010015 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
17#include <linux/kernel.h>
18#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
Christer Weinigel62065752008-07-07 18:12:43 +010020#include <linux/gpio_keys.h>
Christer Weinigel196a0472008-07-07 18:12:41 +010021#include <linux/init.h>
Ben Dooksec976d62009-05-13 22:52:24 +010022#include <linux/gpio.h>
Christer Weinigel62065752008-07-07 18:12:43 +010023#include <linux/input.h>
Christer Weinigel196a0472008-07-07 18:12:41 +010024#include <linux/interrupt.h>
25#include <linux/platform_device.h>
26#include <linux/serial_core.h>
27#include <linux/timer.h>
Russell Kingfced80c2008-09-06 12:10:45 +010028#include <linux/io.h>
Pinkava J50cdba72010-05-06 15:22:28 +020029#include <linux/mmc/host.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <asm/irq.h>
33#include <asm/mach-types.h>
34
Russell Kinga09e64f2008-08-05 16:14:15 +010035#include <mach/fb.h>
36#include <mach/leds-gpio.h>
37#include <mach/regs-gpio.h>
38#include <mach/regs-lcd.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Christer Weinigel196a0472008-07-07 18:12:41 +010040#include <asm/mach/arch.h>
41#include <asm/mach/irq.h>
42#include <asm/mach/map.h>
43
Ben Dooks9498cb72008-10-30 10:14:33 +000044#include <plat/iic.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010045#include <plat/regs-serial.h>
Christer Weinigel196a0472008-07-07 18:12:41 +010046
Ben Dooksd5120ae2008-10-07 23:09:51 +010047#include <plat/clock.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010048#include <plat/cpu.h>
49#include <plat/devs.h>
Pinkava J50cdba72010-05-06 15:22:28 +020050#include <plat/mci.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010051#include <plat/s3c2410.h>
Ben Dooks57bd4b92008-10-30 10:14:37 +000052#include <plat/udc.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
54static struct map_desc n30_iodesc[] __initdata = {
55 /* nothing here yet */
56};
57
58static struct s3c2410_uartcfg n30_uartcfgs[] = {
59 /* Normal serial port */
60 [0] = {
61 .hwport = 0,
62 .flags = 0,
63 .ucon = 0x2c5,
64 .ulcon = 0x03,
65 .ufcon = 0x51,
66 },
67 /* IR port */
68 [1] = {
69 .hwport = 1,
70 .flags = 0,
71 .uart_flags = UPF_CONS_FLOW,
72 .ucon = 0x2c5,
73 .ulcon = 0x43,
74 .ufcon = 0x51,
75 },
Christer Weinigel95790872008-07-07 18:12:45 +010076 /* On the N30 the bluetooth controller is connected here.
77 * On the N35 and variants the GPS receiver is connected here. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070078 [2] = {
79 .hwport = 2,
80 .flags = 0,
81 .ucon = 0x2c5,
82 .ulcon = 0x03,
83 .ufcon = 0x51,
84 },
85};
86
Christer Weinigeld088e5f2008-07-07 18:12:42 +010087static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
Ben Dooks070276d2009-05-17 22:32:23 +010088 .vbus_pin = S3C2410_GPG(1),
Christer Weinigeld088e5f2008-07-07 18:12:42 +010089 .vbus_pin_inverted = 0,
Lars-Peter Clausene27c3c52011-03-07 08:42:00 +010090 .pullup_pin = S3C2410_GPB(3),
Christer Weinigeld088e5f2008-07-07 18:12:42 +010091};
92
Christer Weinigel62065752008-07-07 18:12:43 +010093static struct gpio_keys_button n30_buttons[] = {
94 {
Ben Dooks070276d2009-05-17 22:32:23 +010095 .gpio = S3C2410_GPF(0),
Christer Weinigel62065752008-07-07 18:12:43 +010096 .code = KEY_POWER,
97 .desc = "Power",
98 .active_low = 0,
99 },
100 {
Ben Dooks070276d2009-05-17 22:32:23 +0100101 .gpio = S3C2410_GPG(9),
Christer Weinigel62065752008-07-07 18:12:43 +0100102 .code = KEY_UP,
103 .desc = "Thumbwheel Up",
104 .active_low = 0,
105 },
106 {
Ben Dooks070276d2009-05-17 22:32:23 +0100107 .gpio = S3C2410_GPG(8),
Christer Weinigel62065752008-07-07 18:12:43 +0100108 .code = KEY_DOWN,
109 .desc = "Thumbwheel Down",
110 .active_low = 0,
111 },
112 {
Ben Dooks070276d2009-05-17 22:32:23 +0100113 .gpio = S3C2410_GPG(7),
Christer Weinigel62065752008-07-07 18:12:43 +0100114 .code = KEY_ENTER,
115 .desc = "Thumbwheel Press",
116 .active_low = 0,
117 },
118 {
Ben Dooks070276d2009-05-17 22:32:23 +0100119 .gpio = S3C2410_GPF(7),
Christer Weinigel62065752008-07-07 18:12:43 +0100120 .code = KEY_HOMEPAGE,
121 .desc = "Home",
122 .active_low = 0,
123 },
124 {
Ben Dooks070276d2009-05-17 22:32:23 +0100125 .gpio = S3C2410_GPF(6),
Christer Weinigel62065752008-07-07 18:12:43 +0100126 .code = KEY_CALENDAR,
127 .desc = "Calendar",
128 .active_low = 0,
129 },
130 {
Ben Dooks070276d2009-05-17 22:32:23 +0100131 .gpio = S3C2410_GPF(5),
Christer Weinigel62065752008-07-07 18:12:43 +0100132 .code = KEY_ADDRESSBOOK,
133 .desc = "Contacts",
134 .active_low = 0,
135 },
136 {
Ben Dooks070276d2009-05-17 22:32:23 +0100137 .gpio = S3C2410_GPF(4),
Christer Weinigel62065752008-07-07 18:12:43 +0100138 .code = KEY_MAIL,
139 .desc = "Mail",
140 .active_low = 0,
141 },
142};
143
144static struct gpio_keys_platform_data n30_button_data = {
145 .buttons = n30_buttons,
146 .nbuttons = ARRAY_SIZE(n30_buttons),
147};
148
149static struct platform_device n30_button_device = {
150 .name = "gpio-keys",
151 .id = -1,
152 .dev = {
153 .platform_data = &n30_button_data,
154 }
155};
156
Christer Weinigel95790872008-07-07 18:12:45 +0100157static struct gpio_keys_button n35_buttons[] = {
158 {
Ben Dooks070276d2009-05-17 22:32:23 +0100159 .gpio = S3C2410_GPF(0),
Christer Weinigel95790872008-07-07 18:12:45 +0100160 .code = KEY_POWER,
Pinkava Jaeb1b7e2010-05-06 15:21:50 +0200161 .type = EV_PWR,
Christer Weinigel95790872008-07-07 18:12:45 +0100162 .desc = "Power",
163 .active_low = 0,
Pinkava Jaeb1b7e2010-05-06 15:21:50 +0200164 .wakeup = 1,
Christer Weinigel95790872008-07-07 18:12:45 +0100165 },
166 {
Ben Dooks070276d2009-05-17 22:32:23 +0100167 .gpio = S3C2410_GPG(9),
Christer Weinigel95790872008-07-07 18:12:45 +0100168 .code = KEY_UP,
169 .desc = "Joystick Up",
170 .active_low = 0,
171 },
172 {
Ben Dooks070276d2009-05-17 22:32:23 +0100173 .gpio = S3C2410_GPG(8),
Christer Weinigel95790872008-07-07 18:12:45 +0100174 .code = KEY_DOWN,
175 .desc = "Joystick Down",
176 .active_low = 0,
177 },
178 {
Ben Dooks070276d2009-05-17 22:32:23 +0100179 .gpio = S3C2410_GPG(6),
Christer Weinigel95790872008-07-07 18:12:45 +0100180 .code = KEY_DOWN,
181 .desc = "Joystick Left",
182 .active_low = 0,
183 },
184 {
Ben Dooks070276d2009-05-17 22:32:23 +0100185 .gpio = S3C2410_GPG(5),
Christer Weinigel95790872008-07-07 18:12:45 +0100186 .code = KEY_DOWN,
187 .desc = "Joystick Right",
188 .active_low = 0,
189 },
190 {
Ben Dooks070276d2009-05-17 22:32:23 +0100191 .gpio = S3C2410_GPG(7),
Christer Weinigel95790872008-07-07 18:12:45 +0100192 .code = KEY_ENTER,
193 .desc = "Joystick Press",
194 .active_low = 0,
195 },
196 {
Ben Dooks070276d2009-05-17 22:32:23 +0100197 .gpio = S3C2410_GPF(7),
Christer Weinigel95790872008-07-07 18:12:45 +0100198 .code = KEY_HOMEPAGE,
199 .desc = "Home",
200 .active_low = 0,
201 },
202 {
Ben Dooks070276d2009-05-17 22:32:23 +0100203 .gpio = S3C2410_GPF(6),
Christer Weinigel95790872008-07-07 18:12:45 +0100204 .code = KEY_CALENDAR,
205 .desc = "Calendar",
206 .active_low = 0,
207 },
208 {
Ben Dooks070276d2009-05-17 22:32:23 +0100209 .gpio = S3C2410_GPF(5),
Christer Weinigel95790872008-07-07 18:12:45 +0100210 .code = KEY_ADDRESSBOOK,
211 .desc = "Contacts",
212 .active_low = 0,
213 },
214 {
Ben Dooks070276d2009-05-17 22:32:23 +0100215 .gpio = S3C2410_GPF(4),
Christer Weinigel95790872008-07-07 18:12:45 +0100216 .code = KEY_MAIL,
217 .desc = "Mail",
218 .active_low = 0,
219 },
220 {
Ben Dooks070276d2009-05-17 22:32:23 +0100221 .gpio = S3C2410_GPF(3),
Christer Weinigel95790872008-07-07 18:12:45 +0100222 .code = SW_RADIO,
223 .desc = "GPS Antenna",
224 .active_low = 0,
225 },
226 {
Ben Dooks070276d2009-05-17 22:32:23 +0100227 .gpio = S3C2410_GPG(2),
Christer Weinigel95790872008-07-07 18:12:45 +0100228 .code = SW_HEADPHONE_INSERT,
229 .desc = "Headphone",
230 .active_low = 0,
231 },
232};
233
234static struct gpio_keys_platform_data n35_button_data = {
235 .buttons = n35_buttons,
236 .nbuttons = ARRAY_SIZE(n35_buttons),
237};
238
239static struct platform_device n35_button_device = {
240 .name = "gpio-keys",
241 .id = -1,
242 .num_resources = 0,
243 .dev = {
244 .platform_data = &n35_button_data,
245 }
246};
247
Christer Weinigel865cc632008-07-07 18:12:44 +0100248/* This is the bluetooth LED on the device. */
249static struct s3c24xx_led_platdata n30_blue_led_pdata = {
250 .name = "blue_led",
Ben Dooks070276d2009-05-17 22:32:23 +0100251 .gpio = S3C2410_GPG(6),
Christer Weinigel865cc632008-07-07 18:12:44 +0100252 .def_trigger = "",
253};
254
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300255/* This is the blue LED on the device. Originally used to indicate GPS activity
Pinkava J319887e2010-05-06 15:21:16 +0200256 * by flashing. */
257static struct s3c24xx_led_platdata n35_blue_led_pdata = {
258 .name = "blue_led",
259 .gpio = S3C2410_GPD(8),
260 .def_trigger = "",
261};
262
Christer Weinigel865cc632008-07-07 18:12:44 +0100263/* This LED is driven by the battery microcontroller, and is blinking
264 * red, blinking green or solid green when the battery is low,
265 * charging or full respectively. By driving GPD9 low, it's possible
266 * to force the LED to blink red, so call that warning LED. */
267static struct s3c24xx_led_platdata n30_warning_led_pdata = {
268 .name = "warning_led",
269 .flags = S3C24XX_LEDF_ACTLOW,
Ben Dooks070276d2009-05-17 22:32:23 +0100270 .gpio = S3C2410_GPD(9),
Christer Weinigel865cc632008-07-07 18:12:44 +0100271 .def_trigger = "",
272};
273
Pinkava J319887e2010-05-06 15:21:16 +0200274static struct s3c24xx_led_platdata n35_warning_led_pdata = {
275 .name = "warning_led",
276 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
277 .gpio = S3C2410_GPD(9),
278 .def_trigger = "",
279};
280
Christer Weinigel865cc632008-07-07 18:12:44 +0100281static struct platform_device n30_blue_led = {
282 .name = "s3c24xx_led",
283 .id = 1,
284 .dev = {
285 .platform_data = &n30_blue_led_pdata,
286 },
287};
288
Pinkava J319887e2010-05-06 15:21:16 +0200289static struct platform_device n35_blue_led = {
290 .name = "s3c24xx_led",
291 .id = 1,
292 .dev = {
293 .platform_data = &n35_blue_led_pdata,
294 },
295};
296
Christer Weinigel865cc632008-07-07 18:12:44 +0100297static struct platform_device n30_warning_led = {
298 .name = "s3c24xx_led",
299 .id = 2,
300 .dev = {
301 .platform_data = &n30_warning_led_pdata,
302 },
303};
304
Pinkava J319887e2010-05-06 15:21:16 +0200305static struct platform_device n35_warning_led = {
306 .name = "s3c24xx_led",
307 .id = 2,
308 .dev = {
309 .platform_data = &n35_warning_led_pdata,
310 },
311};
312
Christer Weinigele43f2382008-07-07 18:12:46 +0100313static struct s3c2410fb_display n30_display __initdata = {
Ben Dooksa6755782008-07-07 18:12:48 +0100314 .type = S3C2410_LCDCON1_TFT,
315 .width = 240,
316 .height = 320,
317 .pixclock = 170000,
318
319 .xres = 240,
320 .yres = 320,
321 .bpp = 16,
322 .left_margin = 3,
323 .right_margin = 40,
324 .hsync_len = 40,
325 .upper_margin = 2,
326 .lower_margin = 3,
327 .vsync_len = 2,
Christer Weinigele43f2382008-07-07 18:12:46 +0100328
329 .lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
330};
331
332static struct s3c2410fb_mach_info n30_fb_info __initdata = {
Ben Dooksa6755782008-07-07 18:12:48 +0100333 .displays = &n30_display,
334 .num_displays = 1,
Christer Weinigele43f2382008-07-07 18:12:46 +0100335 .default_display = 0,
Ben Dooksa6755782008-07-07 18:12:48 +0100336 .lpcsel = 0x06,
Christer Weinigele43f2382008-07-07 18:12:46 +0100337};
338
Pinkava J271d3232010-05-06 15:23:24 +0200339static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
340{
341 switch (power_mode) {
342 case MMC_POWER_ON:
343 case MMC_POWER_UP:
Ben Dooks8a19ebb2010-05-07 09:59:11 +0900344 gpio_set_value(S3C2410_GPG(4), 1);
Pinkava J271d3232010-05-06 15:23:24 +0200345 break;
346 case MMC_POWER_OFF:
347 default:
Ben Dooks8a19ebb2010-05-07 09:59:11 +0900348 gpio_set_value(S3C2410_GPG(4), 0);
Pinkava J271d3232010-05-06 15:23:24 +0200349 break;
350 }
351}
352
Pinkava J50cdba72010-05-06 15:22:28 +0200353static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
354 .gpio_detect = S3C2410_GPF(1),
355 .gpio_wprotect = S3C2410_GPG(10),
356 .ocr_avail = MMC_VDD_32_33,
Pinkava J271d3232010-05-06 15:23:24 +0200357 .set_power = n30_sdi_set_power,
Pinkava J50cdba72010-05-06 15:22:28 +0200358};
359
Linus Torvalds1da177e2005-04-16 15:20:36 -0700360static struct platform_device *n30_devices[] __initdata = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361 &s3c_device_lcd,
362 &s3c_device_wdt,
Ben Dooks3e1b7762008-10-31 16:14:40 +0000363 &s3c_device_i2c0,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700364 &s3c_device_iis,
Ben Dooksb8132482009-11-23 00:13:39 +0000365 &s3c_device_ohci,
Pinkava J8ecad342010-05-06 15:20:36 +0200366 &s3c_device_rtc,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 &s3c_device_usbgadget,
Pinkava J50cdba72010-05-06 15:22:28 +0200368 &s3c_device_sdi,
Christer Weinigel62065752008-07-07 18:12:43 +0100369 &n30_button_device,
Christer Weinigel865cc632008-07-07 18:12:44 +0100370 &n30_blue_led,
371 &n30_warning_led,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372};
373
Christer Weinigel95790872008-07-07 18:12:45 +0100374static struct platform_device *n35_devices[] __initdata = {
375 &s3c_device_lcd,
376 &s3c_device_wdt,
Ben Dooks3e1b7762008-10-31 16:14:40 +0000377 &s3c_device_i2c0,
Christer Weinigel95790872008-07-07 18:12:45 +0100378 &s3c_device_iis,
Pinkava J8ecad342010-05-06 15:20:36 +0200379 &s3c_device_rtc,
Christer Weinigel95790872008-07-07 18:12:45 +0100380 &s3c_device_usbgadget,
Pinkava J50cdba72010-05-06 15:22:28 +0200381 &s3c_device_sdi,
Christer Weinigel95790872008-07-07 18:12:45 +0100382 &n35_button_device,
Pinkava J319887e2010-05-06 15:21:16 +0200383 &n35_blue_led,
384 &n35_warning_led,
Christer Weinigel95790872008-07-07 18:12:45 +0100385};
386
Ben Dooks7bcb7ed2009-09-28 16:29:48 +0100387static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388 .flags = 0,
389 .slave_addr = 0x10,
Daniel Silverstonec564e6a2009-03-13 13:53:46 +0000390 .frequency = 10*1000,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391};
392
Christer Weinigel9a2ddb72008-07-07 18:12:47 +0100393/* Lots of hardcoded stuff, but it sets up the hardware in a useful
394 * state so that we can boot Linux directly from flash. */
395static void __init n30_hwinit(void)
396{
397 /* GPA0-11 special functions -- unknown what they do
398 * GPA12 N30 special function -- unknown what it does
399 * N35/PiN output -- unknown what it does
400 *
401 * A12 is nGCS1 on the N30 and an output on the N35/PiN. I
402 * don't think it does anything useful on the N30, so I ought
403 * to make it an output there too since it always driven to 0
404 * as far as I can tell. */
405 if (machine_is_n30())
406 __raw_writel(0x007fffff, S3C2410_GPACON);
407 if (machine_is_n35())
408 __raw_writel(0x007fefff, S3C2410_GPACON);
409 __raw_writel(0x00000000, S3C2410_GPADAT);
410
411 /* GPB0 TOUT0 backlight level
412 * GPB1 output 1=backlight on
413 * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
414 * GPB3 output USB D+ pull up 0=disabled, 1=enabled
415 * GPB4 N30 output -- unknown function
416 * N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
417 * GPB5 output -- unknown function
418 * GPB6 input -- unknown function
419 * GPB7 output -- unknown function
420 * GPB8 output -- probably LCD driver enable
421 * GPB9 output -- probably LCD VSYNC driver enable
422 * GPB10 output -- probably LCD HSYNC driver enable
423 */
424 __raw_writel(0x00154556, S3C2410_GPBCON);
425 __raw_writel(0x00000750, S3C2410_GPBDAT);
426 __raw_writel(0x00000073, S3C2410_GPBUP);
427
428 /* GPC0 input RS232 DCD/DSR/RI
429 * GPC1 LCD
430 * GPC2 output RS232 DTR?
431 * GPC3 input RS232 DCD/DSR/RI
432 * GPC4 LCD
433 * GPC5 output 0=NAND write enabled, 1=NAND write protect
434 * GPC6 input -- unknown function
435 * GPC7 input charger status 0=charger connected
436 * this input can be triggered by power on the USB device
437 * port too, but will go back to disconnected soon after.
438 * GPC8 N30/N35 output -- unknown function, always driven to 1
439 * PiN input -- unknown function, always read as 1
440 * Make it an input with a pull up for all models.
441 * GPC9-15 LCD
442 */
443 __raw_writel(0xaaa80618, S3C2410_GPCCON);
444 __raw_writel(0x0000014c, S3C2410_GPCDAT);
445 __raw_writel(0x0000fef2, S3C2410_GPCUP);
446
447 /* GPD0 input -- unknown function
448 * GPD1-D7 LCD
449 * GPD8 N30 output -- unknown function
450 * N35/PiN output 1=GPS LED on
451 * GPD9 output 0=power led blinks red, 1=normal power led function
452 * GPD10 output -- unknown function
453 * GPD11-15 LCD drivers
454 */
455 __raw_writel(0xaa95aaa4, S3C2410_GPDCON);
456 __raw_writel(0x00000601, S3C2410_GPDDAT);
457 __raw_writel(0x0000fbfe, S3C2410_GPDUP);
458
459 /* GPE0-4 I2S audio bus
460 * GPE5-10 SD/MMC bus
461 * E11-13 outputs -- unknown function, probably power management
462 * E14-15 I2C bus connected to the battery controller
463 */
464 __raw_writel(0xa56aaaaa, S3C2410_GPECON);
465 __raw_writel(0x0000efc5, S3C2410_GPEDAT);
466 __raw_writel(0x0000f81f, S3C2410_GPEUP);
467
468 /* GPF0 input 0=power button pressed
469 * GPF1 input SD/MMC switch 0=card present
470 * GPF2 N30 1=reset button pressed (inverted compared to the rest)
471 * N35/PiN 0=reset button pressed
472 * GPF3 N30/PiN input -- unknown function
473 * N35 input GPS antenna position, 0=antenna closed, 1=open
474 * GPF4 input 0=button 4 pressed
475 * GPF5 input 0=button 3 pressed
476 * GPF6 input 0=button 2 pressed
477 * GPF7 input 0=button 1 pressed
478 */
479 __raw_writel(0x0000aaaa, S3C2410_GPFCON);
480 __raw_writel(0x00000000, S3C2410_GPFDAT);
481 __raw_writel(0x000000ff, S3C2410_GPFUP);
482
483 /* GPG0 input RS232 DCD/DSR/RI
484 * GPG1 input 1=USB gadget port has power from a host
485 * GPG2 N30 input -- unknown function
486 * N35/PiN input 0=headphones plugged in, 1=not plugged in
487 * GPG3 N30 output -- unknown function
488 * N35/PiN input with unknown function
489 * GPG4 N30 output 0=MMC enabled, 1=MMC disabled
490 * GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
491 * N35/PiN input joystick right
492 * GPG6 N30 output 0=blue led on, 1=off
493 * N35/PiN input joystick left
494 * GPG7 input 0=thumbwheel pressed
495 * GPG8 input 0=thumbwheel down
496 * GPG9 input 0=thumbwheel up
497 * GPG10 input SD/MMC write protect switch
498 * GPG11 N30 input -- unknown function
499 * N35 output 0=GPS antenna powered, 1=not powered
500 * PiN output -- unknown function
501 * GPG12-15 touch screen functions
502 *
503 * The pullups differ between the models, so enable all
504 * pullups that are enabled on any of the models.
505 */
506 if (machine_is_n30())
507 __raw_writel(0xff0a956a, S3C2410_GPGCON);
508 if (machine_is_n35())
509 __raw_writel(0xff4aa92a, S3C2410_GPGCON);
510 __raw_writel(0x0000e800, S3C2410_GPGDAT);
511 __raw_writel(0x0000f86f, S3C2410_GPGUP);
512
513 /* GPH0/1/2/3 RS232 serial port
514 * GPH4/5 IrDA serial port
515 * GPH6/7 N30 BlueTooth serial port
516 * N35/PiN GPS receiver
517 * GPH8 input -- unknown function
518 * GPH9 CLKOUT0 HCLK -- unknown use
519 * GPH10 CLKOUT1 FCLK -- unknown use
520 *
521 * The pull ups for H6/H7 are enabled on N30 but not on the
522 * N35/PiN. I suppose is useful for a budget model of the N30
523 * with no bluetooh. It doesn't hurt to have the pull ups
524 * enabled on the N35, so leave them enabled for all models.
525 */
526 __raw_writel(0x0028aaaa, S3C2410_GPHCON);
527 __raw_writel(0x000005ef, S3C2410_GPHDAT);
528 __raw_writel(0x0000063f, S3C2410_GPHUP);
529}
530
Ben Dooks5fe10ab2005-09-20 17:24:33 +0100531static void __init n30_map_io(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532{
533 s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
Christer Weinigel9a2ddb72008-07-07 18:12:47 +0100534 n30_hwinit();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535 s3c24xx_init_clocks(0);
536 s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537}
538
Ben Dooks027da012005-09-05 20:47:53 +0100539/* GPB3 is the line that controls the pull-up for the USB D+ line */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540
Ben Dooks5fe10ab2005-09-20 17:24:33 +0100541static void __init n30_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542{
Ben Dooks8a19ebb2010-05-07 09:59:11 +0900543 WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));
544
Christer Weinigele43f2382008-07-07 18:12:46 +0100545 s3c24xx_fb_set_platdata(&n30_fb_info);
Christer Weinigeld088e5f2008-07-07 18:12:42 +0100546 s3c24xx_udc_set_platdata(&n30_udc_cfg);
Pinkava J50cdba72010-05-06 15:22:28 +0200547 s3c24xx_mci_set_platdata(&n30_mci_cfg);
Ben Dooks7bcb7ed2009-09-28 16:29:48 +0100548 s3c_i2c0_set_platdata(&n30_i2ccfg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549
Ben Dooks027da012005-09-05 20:47:53 +0100550 /* Turn off suspend on both USB ports, and switch the
551 * selectable USB port to USB device mode. */
552
553 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
554 S3C2410_MISCCR_USBSUSPND0 |
555 S3C2410_MISCCR_USBSUSPND1, 0x0);
Ben Dooks57e51712007-04-20 11:19:16 +0100556
Christer Weinigel95790872008-07-07 18:12:45 +0100557 if (machine_is_n30()) {
558 /* Turn off suspend on both USB ports, and switch the
559 * selectable USB port to USB device mode. */
560 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
561 S3C2410_MISCCR_USBSUSPND0 |
562 S3C2410_MISCCR_USBSUSPND1, 0x0);
563
564 platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
565 }
566
567 if (machine_is_n35()) {
568 /* Turn off suspend and switch the selectable USB port
569 * to USB device mode. Turn on suspend for the host
570 * port since it is not connected on the N35.
571 *
572 * Actually, the host port is available at some pads
573 * on the back of the device, so it would actually be
574 * possible to add a USB device inside the N35 if you
575 * are willing to do some hardware modifications. */
576 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
577 S3C2410_MISCCR_USBSUSPND0 |
578 S3C2410_MISCCR_USBSUSPND1,
Pinkava Jbe7c4cf2010-05-06 15:19:19 +0200579 S3C2410_MISCCR_USBSUSPND0);
Christer Weinigel95790872008-07-07 18:12:45 +0100580
581 platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
582 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583}
584
585MACHINE_START(N30, "Acer-N30")
Ben Dooks027da012005-09-05 20:47:53 +0100586 /* Maintainer: Christer Weinigel <christer@weinigel.se>,
587 Ben Dooks <ben-linux@fluff.org>
588 */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100589 .boot_params = S3C2410_SDRAM_PA + 0x100,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 .timer = &s3c24xx_timer,
591 .init_machine = n30_init,
Ben Dooks0c3767b2010-05-07 10:01:28 +0900592 .init_irq = s3c24xx_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700593 .map_io = n30_map_io,
594MACHINE_END
Christer Weinigel95790872008-07-07 18:12:45 +0100595
596MACHINE_START(N35, "Acer-N35")
597 /* Maintainer: Christer Weinigel <christer@weinigel.se>
598 */
Christer Weinigel95790872008-07-07 18:12:45 +0100599 .boot_params = S3C2410_SDRAM_PA + 0x100,
600 .timer = &s3c24xx_timer,
601 .init_machine = n30_init,
Ben Dooks0c3767b2010-05-07 10:01:28 +0900602 .init_irq = s3c24xx_init_irq,
Christer Weinigel95790872008-07-07 18:12:45 +0100603 .map_io = n30_map_io,
604MACHINE_END