]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - arch/arm/mach-s3c2410/mach-qt2410.c
Linux 2.6.27-rc9
[mirror_ubuntu-zesty-kernel.git] / arch / arm / mach-s3c2410 / mach-qt2410.c
CommitLineData
c6184e27
BD
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>
333a42e1 30#include <linux/sysdev.h>
c6184e27
BD
31#include <linux/platform_device.h>
32#include <linux/serial_core.h>
c6184e27
BD
33#include <linux/spi/spi.h>
34#include <linux/spi/spi_bitbang.h>
35
36#include <linux/mtd/mtd.h>
37#include <linux/mtd/nand.h>
38#include <linux/mtd/nand_ecc.h>
39#include <linux/mtd/partitions.h>
40
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/irq.h>
44
a09e64fb 45#include <mach/hardware.h>
c6184e27
BD
46#include <asm/io.h>
47#include <asm/irq.h>
48#include <asm/mach-types.h>
49
a09e64fb
RK
50#include <mach/regs-gpio.h>
51#include <mach/leds-gpio.h>
531b617c 52#include <asm/plat-s3c/regs-serial.h>
a09e64fb 53#include <mach/fb.h>
531b617c 54#include <asm/plat-s3c/nand.h>
06cfa556 55#include <asm/plat-s3c24xx/udc.h>
a09e64fb
RK
56#include <mach/spi.h>
57#include <mach/spi-gpio.h>
c6184e27
BD
58
59#include <asm/plat-s3c24xx/common-smdk.h>
60#include <asm/plat-s3c24xx/devs.h>
61#include <asm/plat-s3c24xx/cpu.h>
62#include <asm/plat-s3c24xx/pm.h>
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
09fe75f6
KH
98static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
99 {
100 /* Configuration for 640x480 SHARP LQ080V3DG01 */
f28ef573
KH
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,
09fe75f6
KH
108 .width = 640,
109 .height = 480,
110
69816699 111 .pixclock = 40000, /* HCLK/4 */
09fe75f6
KH
112 .xres = 640,
113 .yres = 480,
114 .bpp = 16,
1f411537
KH
115 .left_margin = 44,
116 .right_margin = 116,
93d11f5a 117 .hsync_len = 96,
5f20f69b
KH
118 .upper_margin = 19,
119 .lower_margin = 11,
93d11f5a 120 .vsync_len = 15,
c6184e27 121 },
09fe75f6
KH
122 {
123 /* Configuration for 480x640 toppoly TD028TTEC1 */
f28ef573
KH
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,
09fe75f6
KH
131 .width = 480,
132 .height = 640,
69816699 133 .pixclock = 40000, /* HCLK/4 */
09fe75f6
KH
134 .xres = 480,
135 .yres = 640,
136 .bpp = 16,
1f411537
KH
137 .left_margin = 8,
138 .right_margin = 24,
93d11f5a 139 .hsync_len = 8,
5f20f69b
KH
140 .upper_margin = 2,
141 .lower_margin = 4,
93d11f5a 142 .vsync_len = 2,
c6184e27 143 },
09fe75f6
KH
144 {
145 /* Config for 240x320 LCD */
f28ef573
KH
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,
09fe75f6
KH
153 .width = 240,
154 .height = 320,
69816699 155 .pixclock = 100000, /* HCLK/10 */
09fe75f6
KH
156 .xres = 240,
157 .yres = 320,
158 .bpp = 16,
1f411537
KH
159 .left_margin = 13,
160 .right_margin = 8,
93d11f5a 161 .hsync_len = 4,
5f20f69b
KH
162 .upper_margin = 2,
163 .lower_margin = 7,
93d11f5a 164 .vsync_len = 4,
c6184e27
BD
165 },
166};
167
c6184e27 168
09fe75f6
KH
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,
c6184e27
BD
173
174 .lpcsel = ((0xCE6) & ~7) | 1<<4,
c6184e27
BD
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 = {
201 .gpio = S3C2410_GPB0,
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
217static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
218{
219 switch (cs) {
220 case BITBANG_CS_ACTIVE:
221 s3c2410_gpio_setpin(S3C2410_GPB5, 0);
222 break;
223 case BITBANG_CS_INACTIVE:
224 s3c2410_gpio_setpin(S3C2410_GPB5, 1);
225 break;
226 }
227}
228
229static struct s3c2410_spigpio_info spi_gpio_cfg = {
230 .pin_clk = S3C2410_GPG7,
231 .pin_mosi = S3C2410_GPG6,
232 .pin_miso = S3C2410_GPG5,
233 .chip_select = &spi_gpio_cs,
234};
235
236
237static struct platform_device qt2410_spi = {
238 .name = "s3c24xx-spi-gpio",
239 .id = 1,
240 .dev = {
241 .platform_data = &spi_gpio_cfg,
242 },
243};
244
245/* Board devices */
246
247static struct platform_device *qt2410_devices[] __initdata = {
248 &s3c_device_usb,
249 &s3c_device_lcd,
250 &s3c_device_wdt,
251 &s3c_device_i2c,
252 &s3c_device_iis,
253 &s3c_device_sdi,
254 &s3c_device_usbgadget,
255 &qt2410_spi,
256 &qt2410_cs89x0,
257 &qt2410_led,
258};
259
c6184e27
BD
260static struct mtd_partition qt2410_nand_part[] = {
261 [0] = {
262 .name = "U-Boot",
263 .size = 0x30000,
264 .offset = 0,
265 },
266 [1] = {
267 .name = "U-Boot environment",
268 .offset = 0x30000,
269 .size = 0x4000,
270 },
271 [2] = {
272 .name = "kernel",
273 .offset = 0x34000,
274 .size = SZ_2M,
275 },
276 [3] = {
277 .name = "initrd",
278 .offset = 0x234000,
279 .size = SZ_4M,
280 },
281 [4] = {
282 .name = "jffs2",
283 .offset = 0x634000,
284 .size = 0x39cc000,
285 },
286};
287
288static struct s3c2410_nand_set qt2410_nand_sets[] = {
289 [0] = {
290 .name = "NAND",
291 .nr_chips = 1,
292 .nr_partitions = ARRAY_SIZE(qt2410_nand_part),
293 .partitions = qt2410_nand_part,
294 },
295};
296
297/* choose a set of timings which should suit most 512Mbit
298 * chips and beyond.
299 */
300
301static struct s3c2410_platform_nand qt2410_nand_info = {
302 .tacls = 20,
303 .twrph0 = 60,
304 .twrph1 = 20,
305 .nr_sets = ARRAY_SIZE(qt2410_nand_sets),
306 .sets = qt2410_nand_sets,
307};
308
309/* UDC */
310
311static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
312};
313
314static char tft_type = 's';
315
316static int __init qt2410_tft_setup(char *str)
317{
318 tft_type = str[0];
319 return 1;
320}
321
322__setup("tft=", qt2410_tft_setup);
323
324static void __init qt2410_map_io(void)
325{
326 s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
327 s3c24xx_init_clocks(12*1000*1000);
328 s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
c6184e27
BD
329}
330
331static void __init qt2410_machine_init(void)
332{
333 s3c_device_nand.dev.platform_data = &qt2410_nand_info;
334
335 switch (tft_type) {
336 case 'p': /* production */
09fe75f6 337 qt2410_fb_info.default_display = 1;
c6184e27
BD
338 break;
339 case 'b': /* big */
09fe75f6 340 qt2410_fb_info.default_display = 0;
c6184e27
BD
341 break;
342 case 's': /* small */
343 default:
09fe75f6 344 qt2410_fb_info.default_display = 2;
c6184e27
BD
345 break;
346 }
09fe75f6 347 s3c24xx_fb_set_platdata(&qt2410_fb_info);
c6184e27
BD
348
349 s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
350 s3c2410_gpio_setpin(S3C2410_GPB0, 1);
351
352 s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
353
354 s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
355
57e5171c 356 platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
c6184e27
BD
357 s3c2410_pm_init();
358}
359
360MACHINE_START(QT2410, "QT2410")
361 .phys_io = S3C2410_PA_UART,
362 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
363 .boot_params = S3C2410_SDRAM_PA + 0x100,
364 .map_io = qt2410_map_io,
365 .init_irq = s3c24xx_init_irq,
366 .init_machine = qt2410_machine_init,
367 .timer = &s3c24xx_timer,
368MACHINE_END
369
370