84c5416026612d282255eb439258b1a13ed181b2
[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
63 #include "common.h"
64 #include "common-smdk.h"
65
66 static struct map_desc qt2410_iodesc[] __initdata = {
67         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
68 };
69
70 #define UCON S3C2410_UCON_DEFAULT
71 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
72 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
73
74 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
75         [0] = {
76                 .hwport      = 0,
77                 .flags       = 0,
78                 .ucon        = UCON,
79                 .ulcon       = ULCON,
80                 .ufcon       = UFCON,
81         },
82         [1] = {
83                 .hwport      = 1,
84                 .flags       = 0,
85                 .ucon        = UCON,
86                 .ulcon       = ULCON,
87                 .ufcon       = UFCON,
88         },
89         [2] = {
90                 .hwport      = 2,
91                 .flags       = 0,
92                 .ucon        = UCON,
93                 .ulcon       = ULCON,
94                 .ufcon       = UFCON,
95         }
96 };
97
98 /* LCD driver info */
99
100 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
101         {
102                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
103                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
104                            S3C2410_LCDCON5_INVVLINE |
105                            S3C2410_LCDCON5_INVVFRAME |
106                            S3C2410_LCDCON5_PWREN |
107                            S3C2410_LCDCON5_HWSWP,
108
109                 .type           = S3C2410_LCDCON1_TFT,
110                 .width          = 640,
111                 .height         = 480,
112
113                 .pixclock       = 40000, /* HCLK/4 */
114                 .xres           = 640,
115                 .yres           = 480,
116                 .bpp            = 16,
117                 .left_margin    = 44,
118                 .right_margin   = 116,
119                 .hsync_len      = 96,
120                 .upper_margin   = 19,
121                 .lower_margin   = 11,
122                 .vsync_len      = 15,
123         },
124         {
125                 /* Configuration for 480x640 toppoly TD028TTEC1 */
126                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
127                            S3C2410_LCDCON5_INVVLINE |
128                            S3C2410_LCDCON5_INVVFRAME |
129                            S3C2410_LCDCON5_PWREN |
130                            S3C2410_LCDCON5_HWSWP,
131
132                 .type           = S3C2410_LCDCON1_TFT,
133                 .width          = 480,
134                 .height         = 640,
135                 .pixclock       = 40000, /* HCLK/4 */
136                 .xres           = 480,
137                 .yres           = 640,
138                 .bpp            = 16,
139                 .left_margin    = 8,
140                 .right_margin   = 24,
141                 .hsync_len      = 8,
142                 .upper_margin   = 2,
143                 .lower_margin   = 4,
144                 .vsync_len      = 2,
145         },
146         {
147                 /* Config for 240x320 LCD */
148                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
149                            S3C2410_LCDCON5_INVVLINE |
150                            S3C2410_LCDCON5_INVVFRAME |
151                            S3C2410_LCDCON5_PWREN |
152                            S3C2410_LCDCON5_HWSWP,
153
154                 .type           = S3C2410_LCDCON1_TFT,
155                 .width          = 240,
156                 .height         = 320,
157                 .pixclock       = 100000, /* HCLK/10 */
158                 .xres           = 240,
159                 .yres           = 320,
160                 .bpp            = 16,
161                 .left_margin    = 13,
162                 .right_margin   = 8,
163                 .hsync_len      = 4,
164                 .upper_margin   = 2,
165                 .lower_margin   = 7,
166                 .vsync_len      = 4,
167         },
168 };
169
170
171 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
172         .displays       = qt2410_lcd_cfg,
173         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
174         .default_display = 0,
175
176         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
177 };
178
179 /* CS8900 */
180
181 static struct resource qt2410_cs89x0_resources[] = {
182         [0] = DEFINE_RES_MEM(0x19000000, 17),
183         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
184 };
185
186 static struct platform_device qt2410_cs89x0 = {
187         .name           = "cirrus-cs89x0",
188         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
189         .resource       = qt2410_cs89x0_resources,
190 };
191
192 /* LED */
193
194 static struct s3c24xx_led_platdata qt2410_pdata_led = {
195         .gpio           = S3C2410_GPB(0),
196         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
197         .name           = "led",
198         .def_trigger    = "timer",
199 };
200
201 static struct platform_device qt2410_led = {
202         .name           = "s3c24xx_led",
203         .id             = 0,
204         .dev            = {
205                 .platform_data = &qt2410_pdata_led,
206         },
207 };
208
209 /* SPI */
210
211 static struct spi_gpio_platform_data spi_gpio_cfg = {
212         .sck            = S3C2410_GPG(7),
213         .mosi           = S3C2410_GPG(6),
214         .miso           = S3C2410_GPG(5),
215 };
216
217 static struct platform_device qt2410_spi = {
218         .name           = "spi-gpio",
219         .id             = 1,
220         .dev.platform_data = &spi_gpio_cfg,
221 };
222
223 /* Board devices */
224
225 static struct platform_device *qt2410_devices[] __initdata = {
226         &s3c_device_ohci,
227         &s3c_device_lcd,
228         &s3c_device_wdt,
229         &s3c_device_i2c0,
230         &s3c_device_iis,
231         &s3c_device_sdi,
232         &s3c_device_usbgadget,
233         &qt2410_spi,
234         &qt2410_cs89x0,
235         &qt2410_led,
236 };
237
238 static struct mtd_partition __initdata qt2410_nand_part[] = {
239         [0] = {
240                 .name   = "U-Boot",
241                 .size   = 0x30000,
242                 .offset = 0,
243         },
244         [1] = {
245                 .name   = "U-Boot environment",
246                 .offset = 0x30000,
247                 .size   = 0x4000,
248         },
249         [2] = {
250                 .name   = "kernel",
251                 .offset = 0x34000,
252                 .size   = SZ_2M,
253         },
254         [3] = {
255                 .name   = "initrd",
256                 .offset = 0x234000,
257                 .size   = SZ_4M,
258         },
259         [4] = {
260                 .name   = "jffs2",
261                 .offset = 0x634000,
262                 .size   = 0x39cc000,
263         },
264 };
265
266 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
267         [0] = {
268                 .name           = "NAND",
269                 .nr_chips       = 1,
270                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
271                 .partitions     = qt2410_nand_part,
272         },
273 };
274
275 /* choose a set of timings which should suit most 512Mbit
276  * chips and beyond.
277  */
278
279 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
280         .tacls          = 20,
281         .twrph0         = 60,
282         .twrph1         = 20,
283         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
284         .sets           = qt2410_nand_sets,
285 };
286
287 /* UDC */
288
289 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
290 };
291
292 static char tft_type = 's';
293
294 static int __init qt2410_tft_setup(char *str)
295 {
296         tft_type = str[0];
297         return 1;
298 }
299
300 __setup("tft=", qt2410_tft_setup);
301
302 static void __init qt2410_map_io(void)
303 {
304         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
305         s3c24xx_init_clocks(12*1000*1000);
306         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
307 }
308
309 static void __init qt2410_machine_init(void)
310 {
311         s3c_nand_set_platdata(&qt2410_nand_info);
312
313         switch (tft_type) {
314         case 'p': /* production */
315                 qt2410_fb_info.default_display = 1;
316                 break;
317         case 'b': /* big */
318                 qt2410_fb_info.default_display = 0;
319                 break;
320         case 's': /* small */
321         default:
322                 qt2410_fb_info.default_display = 2;
323                 break;
324         }
325         s3c24xx_fb_set_platdata(&qt2410_fb_info);
326
327         /* set initial state of the LED GPIO */
328         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
329         gpio_free(S3C2410_GPB(0));
330
331         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
332         s3c_i2c0_set_platdata(NULL);
333
334         WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
335         gpio_direction_output(S3C2410_GPB(5), 1);
336
337         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
338         s3c_pm_init();
339 }
340
341 MACHINE_START(QT2410, "QT2410")
342         .atag_offset    = 0x100,
343         .map_io         = qt2410_map_io,
344         .init_irq       = s3c24xx_init_irq,
345         .init_machine   = qt2410_machine_init,
346         .init_time      = s3c24xx_timer_init,
347         .restart        = s3c2410_restart,
348 MACHINE_END