ARM: S5P64X0: Add Power Management support
[linux-2.6-block.git] / arch / arm / mach-s3c2410 / mach-qt2410.c
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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>
ec976d6e 30#include <linux/gpio.h>
333a42e1 31#include <linux/sysdev.h>
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32#include <linux/platform_device.h>
33#include <linux/serial_core.h>
c6184e27 34#include <linux/spi/spi.h>
aa353169 35#include <linux/spi/spi_gpio.h>
fced80c7 36#include <linux/io.h>
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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
a09e64fb 46#include <mach/hardware.h>
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47#include <asm/irq.h>
48#include <asm/mach-types.h>
49
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50#include <mach/regs-gpio.h>
51#include <mach/leds-gpio.h>
a2b7ba9c 52#include <plat/regs-serial.h>
a09e64fb 53#include <mach/fb.h>
7926b5a3 54#include <plat/nand.h>
57bd4b91 55#include <plat/udc.h>
3e1b776c 56#include <plat/iic.h>
c6184e27 57
d5120ae7 58#include <plat/common-smdk.h>
40b956f0 59#include <plat/gpio-cfg.h>
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60#include <plat/devs.h>
61#include <plat/cpu.h>
62#include <plat/pm.h>
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63
64static struct map_desc qt2410_iodesc[] __initdata = {
65 { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
66};
67
68#define UCON S3C2410_UCON_DEFAULT
69#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
70#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
71
72static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = UCON,
77 .ulcon = ULCON,
78 .ufcon = UFCON,
79 },
80 [1] = {
81 .hwport = 1,
82 .flags = 0,
83 .ucon = UCON,
84 .ulcon = ULCON,
85 .ufcon = UFCON,
86 },
87 [2] = {
88 .hwport = 2,
89 .flags = 0,
90 .ucon = UCON,
91 .ulcon = ULCON,
92 .ufcon = UFCON,
93 }
94};
95
96/* LCD driver info */
97
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98static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
99 {
100 /* Configuration for 640x480 SHARP LQ080V3DG01 */
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101 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
102 S3C2410_LCDCON5_INVVLINE |
103 S3C2410_LCDCON5_INVVFRAME |
104 S3C2410_LCDCON5_PWREN |
105 S3C2410_LCDCON5_HWSWP,
09fe75f6 106
1f411537 107 .type = S3C2410_LCDCON1_TFT,
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108 .width = 640,
109 .height = 480,
110
69816699 111 .pixclock = 40000, /* HCLK/4 */
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112 .xres = 640,
113 .yres = 480,
114 .bpp = 16,
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115 .left_margin = 44,
116 .right_margin = 116,
93d11f5a 117 .hsync_len = 96,
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118 .upper_margin = 19,
119 .lower_margin = 11,
93d11f5a 120 .vsync_len = 15,
c6184e27 121 },
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122 {
123 /* Configuration for 480x640 toppoly TD028TTEC1 */
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124 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
125 S3C2410_LCDCON5_INVVLINE |
126 S3C2410_LCDCON5_INVVFRAME |
127 S3C2410_LCDCON5_PWREN |
128 S3C2410_LCDCON5_HWSWP,
09fe75f6 129
1f411537 130 .type = S3C2410_LCDCON1_TFT,
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131 .width = 480,
132 .height = 640,
69816699 133 .pixclock = 40000, /* HCLK/4 */
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134 .xres = 480,
135 .yres = 640,
136 .bpp = 16,
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137 .left_margin = 8,
138 .right_margin = 24,
93d11f5a 139 .hsync_len = 8,
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140 .upper_margin = 2,
141 .lower_margin = 4,
93d11f5a 142 .vsync_len = 2,
c6184e27 143 },
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144 {
145 /* Config for 240x320 LCD */
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146 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
147 S3C2410_LCDCON5_INVVLINE |
148 S3C2410_LCDCON5_INVVFRAME |
149 S3C2410_LCDCON5_PWREN |
150 S3C2410_LCDCON5_HWSWP,
09fe75f6 151
1f411537 152 .type = S3C2410_LCDCON1_TFT,
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153 .width = 240,
154 .height = 320,
69816699 155 .pixclock = 100000, /* HCLK/10 */
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156 .xres = 240,
157 .yres = 320,
158 .bpp = 16,
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159 .left_margin = 13,
160 .right_margin = 8,
93d11f5a 161 .hsync_len = 4,
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162 .upper_margin = 2,
163 .lower_margin = 7,
93d11f5a 164 .vsync_len = 4,
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165 },
166};
167
c6184e27 168
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169static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
170 .displays = qt2410_lcd_cfg,
171 .num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
172 .default_display = 0,
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173
174 .lpcsel = ((0xCE6) & ~7) | 1<<4,
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175};
176
177/* CS8900 */
178
179static struct resource qt2410_cs89x0_resources[] = {
180 [0] = {
181 .start = 0x19000000,
182 .end = 0x19000000 + 16,
183 .flags = IORESOURCE_MEM,
184 },
185 [1] = {
186 .start = IRQ_EINT9,
187 .end = IRQ_EINT9,
188 .flags = IORESOURCE_IRQ,
189 },
190};
191
192static struct platform_device qt2410_cs89x0 = {
193 .name = "cirrus-cs89x0",
194 .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources),
195 .resource = qt2410_cs89x0_resources,
196};
197
198/* LED */
199
200static struct s3c24xx_led_platdata qt2410_pdata_led = {
070276d5 201 .gpio = S3C2410_GPB(0),
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202 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
203 .name = "led",
204 .def_trigger = "timer",
205};
206
207static struct platform_device qt2410_led = {
208 .name = "s3c24xx_led",
209 .id = 0,
210 .dev = {
211 .platform_data = &qt2410_pdata_led,
212 },
213};
214
215/* SPI */
216
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217static struct spi_gpio_platform_data spi_gpio_cfg = {
218 .sck = S3C2410_GPG(7),
219 .mosi = S3C2410_GPG(6),
220 .miso = S3C2410_GPG(5),
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221};
222
c6184e27 223static struct platform_device qt2410_spi = {
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224 .name = "spi-gpio",
225 .id = 1,
226 .dev.platform_data = &spi_gpio_cfg,
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227};
228
229/* Board devices */
230
231static struct platform_device *qt2410_devices[] __initdata = {
b813248c 232 &s3c_device_ohci,
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233 &s3c_device_lcd,
234 &s3c_device_wdt,
3e1b776c 235 &s3c_device_i2c0,
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236 &s3c_device_iis,
237 &s3c_device_sdi,
238 &s3c_device_usbgadget,
239 &qt2410_spi,
240 &qt2410_cs89x0,
241 &qt2410_led,
242};
243
2a3a1804 244static struct mtd_partition __initdata qt2410_nand_part[] = {
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245 [0] = {
246 .name = "U-Boot",
247 .size = 0x30000,
248 .offset = 0,
249 },
250 [1] = {
251 .name = "U-Boot environment",
252 .offset = 0x30000,
253 .size = 0x4000,
254 },
255 [2] = {
256 .name = "kernel",
257 .offset = 0x34000,
258 .size = SZ_2M,
259 },
260 [3] = {
261 .name = "initrd",
262 .offset = 0x234000,
263 .size = SZ_4M,
264 },
265 [4] = {
266 .name = "jffs2",
267 .offset = 0x634000,
268 .size = 0x39cc000,
269 },
270};
271
2a3a1804 272static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
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273 [0] = {
274 .name = "NAND",
275 .nr_chips = 1,
276 .nr_partitions = ARRAY_SIZE(qt2410_nand_part),
277 .partitions = qt2410_nand_part,
278 },
279};
280
281/* choose a set of timings which should suit most 512Mbit
282 * chips and beyond.
283 */
284
2a3a1804 285static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
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286 .tacls = 20,
287 .twrph0 = 60,
288 .twrph1 = 20,
289 .nr_sets = ARRAY_SIZE(qt2410_nand_sets),
290 .sets = qt2410_nand_sets,
291};
292
293/* UDC */
294
295static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
296};
297
298static char tft_type = 's';
299
300static int __init qt2410_tft_setup(char *str)
301{
302 tft_type = str[0];
303 return 1;
304}
305
306__setup("tft=", qt2410_tft_setup);
307
308static void __init qt2410_map_io(void)
309{
310 s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
311 s3c24xx_init_clocks(12*1000*1000);
312 s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
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313}
314
315static void __init qt2410_machine_init(void)
316{
2a3a1804 317 s3c_nand_set_platdata(&qt2410_nand_info);
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318
319 switch (tft_type) {
320 case 'p': /* production */
09fe75f6 321 qt2410_fb_info.default_display = 1;
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322 break;
323 case 'b': /* big */
09fe75f6 324 qt2410_fb_info.default_display = 0;
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325 break;
326 case 's': /* small */
327 default:
09fe75f6 328 qt2410_fb_info.default_display = 2;
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329 break;
330 }
09fe75f6 331 s3c24xx_fb_set_platdata(&qt2410_fb_info);
c6184e27 332
40b956f0 333 s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT);
070276d5 334 s3c2410_gpio_setpin(S3C2410_GPB(0), 1);
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335
336 s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
3e1b776c 337 s3c_i2c0_set_platdata(NULL);
c6184e27 338
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339 WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
340 gpio_direction_output(S3C2410_GPB(5), 1);
c6184e27 341
57e5171c 342 platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
4e59c25d 343 s3c_pm_init();
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344}
345
346MACHINE_START(QT2410, "QT2410")
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347 .boot_params = S3C2410_SDRAM_PA + 0x100,
348 .map_io = qt2410_map_io,
349 .init_irq = s3c24xx_init_irq,
350 .init_machine = qt2410_machine_init,
351 .timer = &s3c24xx_timer,
352MACHINE_END
353
354