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
68static 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
76static 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
102static 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
173static 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
183static struct resource qt2410_cs89x0_resources[] = {
184	[0] = DEFINE_RES_MEM(0x19000000, 17),
185	[1] = DEFINE_RES_IRQ(IRQ_EINT9),
186};
187
188static 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
196static 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
203static 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
213static 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
219static 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
227static 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
240static 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
268static 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
281static 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
291static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
292};
293
294static char tft_type = 's';
295
296static 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
304static 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
311static void __init qt2410_init_time(void)
312{
313	s3c2410_init_clocks(12000000);
314	samsung_timer_init();
315}
316
317static 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
349MACHINE_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,
355MACHINE_END
356