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/serial_s3c.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/spi_gpio.h>
37 #include <linux/io.h>
38 #include <linux/mtd/mtd.h>
39 #include <linux/mtd/nand.h>
40 #include <linux/mtd/nand_ecc.h>
41 #include <linux/mtd/partitions.h>
42
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46
47 #include <mach/hardware.h>
48 #include <asm/irq.h>
49 #include <asm/mach-types.h>
50
51 #include <linux/platform_data/leds-s3c24xx.h>
52 #include <mach/regs-lcd.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 #include <mach/gpio-samsung.h>
58
59 #include <plat/gpio-cfg.h>
60 #include <plat/devs.h>
61 #include <plat/cpu.h>
62 #include <plat/pm.h>
63 #include <plat/samsung-time.h>
64
65 #include "common.h"
66 #include "common-smdk.h"
67
68 static struct map_desc qt2410_iodesc[] __initdata = {
69 { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
70 };
71
72 #define UCON S3C2410_UCON_DEFAULT
73 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
74 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
75
76 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
77 [0] = {
78 .hwport = 0,
79 .flags = 0,
80 .ucon = UCON,
81 .ulcon = ULCON,
82 .ufcon = UFCON,
83 },
84 [1] = {
85 .hwport = 1,
86 .flags = 0,
87 .ucon = UCON,
88 .ulcon = ULCON,
89 .ufcon = UFCON,
90 },
91 [2] = {
92 .hwport = 2,
93 .flags = 0,
94 .ucon = UCON,
95 .ulcon = ULCON,
96 .ufcon = UFCON,
97 }
98 };
99
100 /* LCD driver info */
101
102 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
103 {
104 /* Configuration for 640x480 SHARP LQ080V3DG01 */
105 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
106 S3C2410_LCDCON5_INVVLINE |
107 S3C2410_LCDCON5_INVVFRAME |
108 S3C2410_LCDCON5_PWREN |
109 S3C2410_LCDCON5_HWSWP,
110
111 .type = S3C2410_LCDCON1_TFT,
112 .width = 640,
113 .height = 480,
114
115 .pixclock = 40000, /* HCLK/4 */
116 .xres = 640,
117 .yres = 480,
118 .bpp = 16,
119 .left_margin = 44,
120 .right_margin = 116,
121 .hsync_len = 96,
122 .upper_margin = 19,
123 .lower_margin = 11,
124 .vsync_len = 15,
125 },
126 {
127 /* Configuration for 480x640 toppoly TD028TTEC1 */
128 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
129 S3C2410_LCDCON5_INVVLINE |
130 S3C2410_LCDCON5_INVVFRAME |
131 S3C2410_LCDCON5_PWREN |
132 S3C2410_LCDCON5_HWSWP,
133
134 .type = S3C2410_LCDCON1_TFT,
135 .width = 480,
136 .height = 640,
137 .pixclock = 40000, /* HCLK/4 */
138 .xres = 480,
139 .yres = 640,
140 .bpp = 16,
141 .left_margin = 8,
142 .right_margin = 24,
143 .hsync_len = 8,
144 .upper_margin = 2,
145 .lower_margin = 4,
146 .vsync_len = 2,
147 },
148 {
149 /* Config for 240x320 LCD */
150 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
151 S3C2410_LCDCON5_INVVLINE |
152 S3C2410_LCDCON5_INVVFRAME |
153 S3C2410_LCDCON5_PWREN |
154 S3C2410_LCDCON5_HWSWP,
155
156 .type = S3C2410_LCDCON1_TFT,
157 .width = 240,
158 .height = 320,
159 .pixclock = 100000, /* HCLK/10 */
160 .xres = 240,
161 .yres = 320,
162 .bpp = 16,
163 .left_margin = 13,
164 .right_margin = 8,
165 .hsync_len = 4,
166 .upper_margin = 2,
167 .lower_margin = 7,
168 .vsync_len = 4,
169 },
170 };
171
172
173 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
174 .displays = qt2410_lcd_cfg,
175 .num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
176 .default_display = 0,
177
178 .lpcsel = ((0xCE6) & ~7) | 1<<4,
179 };
180
181 /* CS8900 */
182
183 static struct resource qt2410_cs89x0_resources[] = {
184 [0] = DEFINE_RES_MEM(0x19000000, 17),
185 [1] = DEFINE_RES_IRQ(IRQ_EINT9),
186 };
187
188 static struct platform_device qt2410_cs89x0 = {
189 .name = "cirrus-cs89x0",
190 .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources),
191 .resource = qt2410_cs89x0_resources,
192 };
193
194 /* LED */
195
196 static struct s3c24xx_led_platdata qt2410_pdata_led = {
197 .gpio = S3C2410_GPB(0),
198 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
199 .name = "led",
200 .def_trigger = "timer",
201 };
202
203 static struct platform_device qt2410_led = {
204 .name = "s3c24xx_led",
205 .id = 0,
206 .dev = {
207 .platform_data = &qt2410_pdata_led,
208 },
209 };
210
211 /* SPI */
212
213 static struct spi_gpio_platform_data spi_gpio_cfg = {
214 .sck = S3C2410_GPG(7),
215 .mosi = S3C2410_GPG(6),
216 .miso = S3C2410_GPG(5),
217 };
218
219 static struct platform_device qt2410_spi = {
220 .name = "spi-gpio",
221 .id = 1,
222 .dev.platform_data = &spi_gpio_cfg,
223 };
224
225 /* Board devices */
226
227 static struct platform_device *qt2410_devices[] __initdata = {
228 &s3c_device_ohci,
229 &s3c_device_lcd,
230 &s3c_device_wdt,
231 &s3c_device_i2c0,
232 &s3c_device_iis,
233 &s3c_device_sdi,
234 &s3c_device_usbgadget,
235 &qt2410_spi,
236 &qt2410_cs89x0,
237 &qt2410_led,
238 };
239
240 static struct mtd_partition __initdata qt2410_nand_part[] = {
241 [0] = {
242 .name = "U-Boot",
243 .size = 0x30000,
244 .offset = 0,
245 },
246 [1] = {
247 .name = "U-Boot environment",
248 .offset = 0x30000,
249 .size = 0x4000,
250 },
251 [2] = {
252 .name = "kernel",
253 .offset = 0x34000,
254 .size = SZ_2M,
255 },
256 [3] = {
257 .name = "initrd",
258 .offset = 0x234000,
259 .size = SZ_4M,
260 },
261 [4] = {
262 .name = "jffs2",
263 .offset = 0x634000,
264 .size = 0x39cc000,
265 },
266 };
267
268 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
269 [0] = {
270 .name = "NAND",
271 .nr_chips = 1,
272 .nr_partitions = ARRAY_SIZE(qt2410_nand_part),
273 .partitions = qt2410_nand_part,
274 },
275 };
276
277 /* choose a set of timings which should suit most 512Mbit
278 * chips and beyond.
279 */
280
281 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
282 .tacls = 20,
283 .twrph0 = 60,
284 .twrph1 = 20,
285 .nr_sets = ARRAY_SIZE(qt2410_nand_sets),
286 .sets = qt2410_nand_sets,
287 };
288
289 /* UDC */
290
291 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
292 };
293
294 static char tft_type = 's';
295
qt2410_tft_setup(char * str)296 static int __init qt2410_tft_setup(char *str)
297 {
298 tft_type = str[0];
299 return 1;
300 }
301
302 __setup("tft=", qt2410_tft_setup);
303
qt2410_map_io(void)304 static void __init qt2410_map_io(void)
305 {
306 s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
307 s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
308 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
309 }
310
qt2410_init_time(void)311 static void __init qt2410_init_time(void)
312 {
313 s3c2410_init_clocks(12000000);
314 samsung_timer_init();
315 }
316
qt2410_machine_init(void)317 static void __init qt2410_machine_init(void)
318 {
319 s3c_nand_set_platdata(&qt2410_nand_info);
320
321 switch (tft_type) {
322 case 'p': /* production */
323 qt2410_fb_info.default_display = 1;
324 break;
325 case 'b': /* big */
326 qt2410_fb_info.default_display = 0;
327 break;
328 case 's': /* small */
329 default:
330 qt2410_fb_info.default_display = 2;
331 break;
332 }
333 s3c24xx_fb_set_platdata(&qt2410_fb_info);
334
335 /* set initial state of the LED GPIO */
336 WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
337 gpio_free(S3C2410_GPB(0));
338
339 s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
340 s3c_i2c0_set_platdata(NULL);
341
342 WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
343 gpio_direction_output(S3C2410_GPB(5), 1);
344
345 platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
346 s3c_pm_init();
347 }
348
349 MACHINE_START(QT2410, "QT2410")
350 .atag_offset = 0x100,
351 .map_io = qt2410_map_io,
352 .init_irq = s3c2410_init_irq,
353 .init_machine = qt2410_machine_init,
354 .init_time = qt2410_init_time,
355 MACHINE_END
356