ARM: S3C24XX: Add samsung-time support for s3c24xx
[sfrench/cifs-2.6.git] / arch / arm / mach-s3c24xx / mach-qt2410.c
1 /* linux/arch/arm/mach-s3c2410/mach-qt2410.c
2  *
3  * Copyright (C) 2006 by OpenMoko, Inc.
4  * Author: Harald Welte <laforge@openmoko.org>
5  * All rights reserved.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  *
22  */
23
24 #include <linux/kernel.h>
25 #include <linux/types.h>
26 #include <linux/interrupt.h>
27 #include <linux/list.h>
28 #include <linux/timer.h>
29 #include <linux/init.h>
30 #include <linux/gpio.h>
31 #include <linux/device.h>
32 #include <linux/platform_device.h>
33 #include <linux/serial_core.h>
34 #include <linux/spi/spi.h>
35 #include <linux/spi/spi_gpio.h>
36 #include <linux/io.h>
37 #include <linux/mtd/mtd.h>
38 #include <linux/mtd/nand.h>
39 #include <linux/mtd/nand_ecc.h>
40 #include <linux/mtd/partitions.h>
41
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45
46 #include <mach/hardware.h>
47 #include <asm/irq.h>
48 #include <asm/mach-types.h>
49
50 #include <linux/platform_data/leds-s3c24xx.h>
51 #include <mach/regs-lcd.h>
52 #include <plat/regs-serial.h>
53 #include <mach/fb.h>
54 #include <linux/platform_data/mtd-nand-s3c2410.h>
55 #include <linux/platform_data/usb-s3c2410_udc.h>
56 #include <linux/platform_data/i2c-s3c2410.h>
57
58 #include <plat/gpio-cfg.h>
59 #include <plat/devs.h>
60 #include <plat/cpu.h>
61 #include <plat/pm.h>
62 #include <plat/samsung-time.h>
63
64 #include "common.h"
65 #include "common-smdk.h"
66
67 static struct map_desc qt2410_iodesc[] __initdata = {
68         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
69 };
70
71 #define UCON S3C2410_UCON_DEFAULT
72 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
73 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
74
75 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
76         [0] = {
77                 .hwport      = 0,
78                 .flags       = 0,
79                 .ucon        = UCON,
80                 .ulcon       = ULCON,
81                 .ufcon       = UFCON,
82         },
83         [1] = {
84                 .hwport      = 1,
85                 .flags       = 0,
86                 .ucon        = UCON,
87                 .ulcon       = ULCON,
88                 .ufcon       = UFCON,
89         },
90         [2] = {
91                 .hwport      = 2,
92                 .flags       = 0,
93                 .ucon        = UCON,
94                 .ulcon       = ULCON,
95                 .ufcon       = UFCON,
96         }
97 };
98
99 /* LCD driver info */
100
101 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
102         {
103                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
104                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
105                            S3C2410_LCDCON5_INVVLINE |
106                            S3C2410_LCDCON5_INVVFRAME |
107                            S3C2410_LCDCON5_PWREN |
108                            S3C2410_LCDCON5_HWSWP,
109
110                 .type           = S3C2410_LCDCON1_TFT,
111                 .width          = 640,
112                 .height         = 480,
113
114                 .pixclock       = 40000, /* HCLK/4 */
115                 .xres           = 640,
116                 .yres           = 480,
117                 .bpp            = 16,
118                 .left_margin    = 44,
119                 .right_margin   = 116,
120                 .hsync_len      = 96,
121                 .upper_margin   = 19,
122                 .lower_margin   = 11,
123                 .vsync_len      = 15,
124         },
125         {
126                 /* Configuration for 480x640 toppoly TD028TTEC1 */
127                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
128                            S3C2410_LCDCON5_INVVLINE |
129                            S3C2410_LCDCON5_INVVFRAME |
130                            S3C2410_LCDCON5_PWREN |
131                            S3C2410_LCDCON5_HWSWP,
132
133                 .type           = S3C2410_LCDCON1_TFT,
134                 .width          = 480,
135                 .height         = 640,
136                 .pixclock       = 40000, /* HCLK/4 */
137                 .xres           = 480,
138                 .yres           = 640,
139                 .bpp            = 16,
140                 .left_margin    = 8,
141                 .right_margin   = 24,
142                 .hsync_len      = 8,
143                 .upper_margin   = 2,
144                 .lower_margin   = 4,
145                 .vsync_len      = 2,
146         },
147         {
148                 /* Config for 240x320 LCD */
149                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
150                            S3C2410_LCDCON5_INVVLINE |
151                            S3C2410_LCDCON5_INVVFRAME |
152                            S3C2410_LCDCON5_PWREN |
153                            S3C2410_LCDCON5_HWSWP,
154
155                 .type           = S3C2410_LCDCON1_TFT,
156                 .width          = 240,
157                 .height         = 320,
158                 .pixclock       = 100000, /* HCLK/10 */
159                 .xres           = 240,
160                 .yres           = 320,
161                 .bpp            = 16,
162                 .left_margin    = 13,
163                 .right_margin   = 8,
164                 .hsync_len      = 4,
165                 .upper_margin   = 2,
166                 .lower_margin   = 7,
167                 .vsync_len      = 4,
168         },
169 };
170
171
172 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
173         .displays       = qt2410_lcd_cfg,
174         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
175         .default_display = 0,
176
177         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
178 };
179
180 /* CS8900 */
181
182 static struct resource qt2410_cs89x0_resources[] = {
183         [0] = DEFINE_RES_MEM(0x19000000, 17),
184         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
185 };
186
187 static struct platform_device qt2410_cs89x0 = {
188         .name           = "cirrus-cs89x0",
189         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
190         .resource       = qt2410_cs89x0_resources,
191 };
192
193 /* LED */
194
195 static struct s3c24xx_led_platdata qt2410_pdata_led = {
196         .gpio           = S3C2410_GPB(0),
197         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
198         .name           = "led",
199         .def_trigger    = "timer",
200 };
201
202 static struct platform_device qt2410_led = {
203         .name           = "s3c24xx_led",
204         .id             = 0,
205         .dev            = {
206                 .platform_data = &qt2410_pdata_led,
207         },
208 };
209
210 /* SPI */
211
212 static struct spi_gpio_platform_data spi_gpio_cfg = {
213         .sck            = S3C2410_GPG(7),
214         .mosi           = S3C2410_GPG(6),
215         .miso           = S3C2410_GPG(5),
216 };
217
218 static struct platform_device qt2410_spi = {
219         .name           = "spi-gpio",
220         .id             = 1,
221         .dev.platform_data = &spi_gpio_cfg,
222 };
223
224 /* Board devices */
225
226 static struct platform_device *qt2410_devices[] __initdata = {
227         &s3c_device_ohci,
228         &s3c_device_lcd,
229         &s3c_device_wdt,
230         &s3c_device_i2c0,
231         &s3c_device_iis,
232         &s3c_device_sdi,
233         &s3c_device_usbgadget,
234         &qt2410_spi,
235         &qt2410_cs89x0,
236         &qt2410_led,
237 };
238
239 static struct mtd_partition __initdata qt2410_nand_part[] = {
240         [0] = {
241                 .name   = "U-Boot",
242                 .size   = 0x30000,
243                 .offset = 0,
244         },
245         [1] = {
246                 .name   = "U-Boot environment",
247                 .offset = 0x30000,
248                 .size   = 0x4000,
249         },
250         [2] = {
251                 .name   = "kernel",
252                 .offset = 0x34000,
253                 .size   = SZ_2M,
254         },
255         [3] = {
256                 .name   = "initrd",
257                 .offset = 0x234000,
258                 .size   = SZ_4M,
259         },
260         [4] = {
261                 .name   = "jffs2",
262                 .offset = 0x634000,
263                 .size   = 0x39cc000,
264         },
265 };
266
267 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
268         [0] = {
269                 .name           = "NAND",
270                 .nr_chips       = 1,
271                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
272                 .partitions     = qt2410_nand_part,
273         },
274 };
275
276 /* choose a set of timings which should suit most 512Mbit
277  * chips and beyond.
278  */
279
280 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
281         .tacls          = 20,
282         .twrph0         = 60,
283         .twrph1         = 20,
284         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
285         .sets           = qt2410_nand_sets,
286 };
287
288 /* UDC */
289
290 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
291 };
292
293 static char tft_type = 's';
294
295 static int __init qt2410_tft_setup(char *str)
296 {
297         tft_type = str[0];
298         return 1;
299 }
300
301 __setup("tft=", qt2410_tft_setup);
302
303 static void __init qt2410_map_io(void)
304 {
305         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
306         s3c24xx_init_clocks(12*1000*1000);
307         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
308         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
309 }
310
311 static void __init qt2410_machine_init(void)
312 {
313         s3c_nand_set_platdata(&qt2410_nand_info);
314
315         switch (tft_type) {
316         case 'p': /* production */
317                 qt2410_fb_info.default_display = 1;
318                 break;
319         case 'b': /* big */
320                 qt2410_fb_info.default_display = 0;
321                 break;
322         case 's': /* small */
323         default:
324                 qt2410_fb_info.default_display = 2;
325                 break;
326         }
327         s3c24xx_fb_set_platdata(&qt2410_fb_info);
328
329         /* set initial state of the LED GPIO */
330         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
331         gpio_free(S3C2410_GPB(0));
332
333         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
334         s3c_i2c0_set_platdata(NULL);
335
336         WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
337         gpio_direction_output(S3C2410_GPB(5), 1);
338
339         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
340         s3c_pm_init();
341 }
342
343 MACHINE_START(QT2410, "QT2410")
344         .atag_offset    = 0x100,
345         .map_io         = qt2410_map_io,
346         .init_irq       = s3c24xx_init_irq,
347         .init_machine   = qt2410_machine_init,
348         .init_time      = samsung_timer_init,
349         .restart        = s3c2410_restart,
350 MACHINE_END