1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // Copyright (C) 2006 by OpenMoko, Inc.
4 // Author: Harald Welte <laforge@openmoko.org>
5 // All rights reserved.
6
7 #include <linux/kernel.h>
8 #include <linux/types.h>
9 #include <linux/interrupt.h>
10 #include <linux/list.h>
11 #include <linux/timer.h>
12 #include <linux/init.h>
13 #include <linux/gpio.h>
14 #include <linux/gpio/machine.h>
15 #include <linux/device.h>
16 #include <linux/platform_device.h>
17 #include <linux/serial_core.h>
18 #include <linux/serial_s3c.h>
19 #include <linux/spi/spi.h>
20 #include <linux/spi/spi_gpio.h>
21 #include <linux/io.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/rawnand.h>
24 #include <linux/mtd/nand-ecc-sw-hamming.h>
25 #include <linux/mtd/partitions.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
30
31 #include <asm/irq.h>
32 #include <asm/mach-types.h>
33
34 #include <linux/platform_data/leds-s3c24xx.h>
35 #include <linux/platform_data/fb-s3c2410.h>
36 #include <linux/platform_data/mtd-nand-s3c2410.h>
37 #include <linux/platform_data/usb-s3c2410_udc.h>
38 #include <linux/platform_data/i2c-s3c2410.h>
39 #include "gpio-samsung.h"
40
41 #include "gpio-cfg.h"
42 #include "devs.h"
43 #include "cpu.h"
44 #include "pm.h"
45
46 #include "s3c24xx.h"
47 #include "common-smdk-s3c24xx.h"
48
49 static struct map_desc qt2410_iodesc[] __initdata = {
50 { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
51 };
52
53 #define UCON S3C2410_UCON_DEFAULT
54 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
55 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
56
57 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
58 [0] = {
59 .hwport = 0,
60 .flags = 0,
61 .ucon = UCON,
62 .ulcon = ULCON,
63 .ufcon = UFCON,
64 },
65 [1] = {
66 .hwport = 1,
67 .flags = 0,
68 .ucon = UCON,
69 .ulcon = ULCON,
70 .ufcon = UFCON,
71 },
72 [2] = {
73 .hwport = 2,
74 .flags = 0,
75 .ucon = UCON,
76 .ulcon = ULCON,
77 .ufcon = UFCON,
78 }
79 };
80
81 /* LCD driver info */
82
83 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
84 {
85 /* Configuration for 640x480 SHARP LQ080V3DG01 */
86 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
87 S3C2410_LCDCON5_INVVLINE |
88 S3C2410_LCDCON5_INVVFRAME |
89 S3C2410_LCDCON5_PWREN |
90 S3C2410_LCDCON5_HWSWP,
91
92 .type = S3C2410_LCDCON1_TFT,
93 .width = 640,
94 .height = 480,
95
96 .pixclock = 40000, /* HCLK/4 */
97 .xres = 640,
98 .yres = 480,
99 .bpp = 16,
100 .left_margin = 44,
101 .right_margin = 116,
102 .hsync_len = 96,
103 .upper_margin = 19,
104 .lower_margin = 11,
105 .vsync_len = 15,
106 },
107 {
108 /* Configuration for 480x640 toppoly TD028TTEC1 */
109 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
110 S3C2410_LCDCON5_INVVLINE |
111 S3C2410_LCDCON5_INVVFRAME |
112 S3C2410_LCDCON5_PWREN |
113 S3C2410_LCDCON5_HWSWP,
114
115 .type = S3C2410_LCDCON1_TFT,
116 .width = 480,
117 .height = 640,
118 .pixclock = 40000, /* HCLK/4 */
119 .xres = 480,
120 .yres = 640,
121 .bpp = 16,
122 .left_margin = 8,
123 .right_margin = 24,
124 .hsync_len = 8,
125 .upper_margin = 2,
126 .lower_margin = 4,
127 .vsync_len = 2,
128 },
129 {
130 /* Config for 240x320 LCD */
131 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
132 S3C2410_LCDCON5_INVVLINE |
133 S3C2410_LCDCON5_INVVFRAME |
134 S3C2410_LCDCON5_PWREN |
135 S3C2410_LCDCON5_HWSWP,
136
137 .type = S3C2410_LCDCON1_TFT,
138 .width = 240,
139 .height = 320,
140 .pixclock = 100000, /* HCLK/10 */
141 .xres = 240,
142 .yres = 320,
143 .bpp = 16,
144 .left_margin = 13,
145 .right_margin = 8,
146 .hsync_len = 4,
147 .upper_margin = 2,
148 .lower_margin = 7,
149 .vsync_len = 4,
150 },
151 };
152
153
154 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
155 .displays = qt2410_lcd_cfg,
156 .num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
157 .default_display = 0,
158
159 .lpcsel = ((0xCE6) & ~7) | 1<<4,
160 };
161
162 /* CS8900 */
163
164 static struct resource qt2410_cs89x0_resources[] = {
165 [0] = DEFINE_RES_MEM(0x19000000, 17),
166 [1] = DEFINE_RES_IRQ(IRQ_EINT9),
167 };
168
169 static struct platform_device qt2410_cs89x0 = {
170 .name = "cirrus-cs89x0",
171 .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources),
172 .resource = qt2410_cs89x0_resources,
173 };
174
175 /* LED */
176
177 static struct gpiod_lookup_table qt2410_led_gpio_table = {
178 .dev_id = "s3c24xx_led.0",
179 .table = {
180 GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
181 { },
182 },
183 };
184
185 static struct s3c24xx_led_platdata qt2410_pdata_led = {
186 .name = "led",
187 .def_trigger = "timer",
188 };
189
190 static struct platform_device qt2410_led = {
191 .name = "s3c24xx_led",
192 .id = 0,
193 .dev = {
194 .platform_data = &qt2410_pdata_led,
195 },
196 };
197
198 /* SPI */
199
200 static struct spi_gpio_platform_data spi_gpio_cfg = {
201 .num_chipselect = 1,
202 };
203
204 static struct platform_device qt2410_spi = {
205 .name = "spi_gpio",
206 .id = 1,
207 .dev.platform_data = &spi_gpio_cfg,
208 };
209
210 static struct gpiod_lookup_table qt2410_spi_gpiod_table = {
211 .dev_id = "spi_gpio",
212 .table = {
213 GPIO_LOOKUP("GPIOG", 7,
214 "sck", GPIO_ACTIVE_HIGH),
215 GPIO_LOOKUP("GPIOG", 6,
216 "mosi", GPIO_ACTIVE_HIGH),
217 GPIO_LOOKUP("GPIOG", 5,
218 "miso", GPIO_ACTIVE_HIGH),
219 GPIO_LOOKUP("GPIOB", 5,
220 "cs", GPIO_ACTIVE_HIGH),
221 { },
222 },
223 };
224
225 static struct gpiod_lookup_table qt2410_mmc_gpiod_table = {
226 .dev_id = "s3c2410-sdi",
227 .table = {
228 /* bus pins */
229 GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
230 GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
231 GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
232 GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
233 GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
234 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
235 { },
236 },
237 };
238
239 /* Board devices */
240
241 static struct platform_device *qt2410_devices[] __initdata = {
242 &s3c_device_ohci,
243 &s3c_device_lcd,
244 &s3c_device_wdt,
245 &s3c_device_i2c0,
246 &s3c_device_iis,
247 &s3c_device_sdi,
248 &s3c_device_usbgadget,
249 &qt2410_spi,
250 &qt2410_cs89x0,
251 &qt2410_led,
252 };
253
254 static struct mtd_partition __initdata qt2410_nand_part[] = {
255 [0] = {
256 .name = "U-Boot",
257 .size = 0x30000,
258 .offset = 0,
259 },
260 [1] = {
261 .name = "U-Boot environment",
262 .offset = 0x30000,
263 .size = 0x4000,
264 },
265 [2] = {
266 .name = "kernel",
267 .offset = 0x34000,
268 .size = SZ_2M,
269 },
270 [3] = {
271 .name = "initrd",
272 .offset = 0x234000,
273 .size = SZ_4M,
274 },
275 [4] = {
276 .name = "jffs2",
277 .offset = 0x634000,
278 .size = 0x39cc000,
279 },
280 };
281
282 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
283 [0] = {
284 .name = "NAND",
285 .nr_chips = 1,
286 .nr_partitions = ARRAY_SIZE(qt2410_nand_part),
287 .partitions = qt2410_nand_part,
288 },
289 };
290
291 /* choose a set of timings which should suit most 512Mbit
292 * chips and beyond.
293 */
294
295 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
296 .tacls = 20,
297 .twrph0 = 60,
298 .twrph1 = 20,
299 .nr_sets = ARRAY_SIZE(qt2410_nand_sets),
300 .sets = qt2410_nand_sets,
301 .engine_type = NAND_ECC_ENGINE_TYPE_SOFT,
302 };
303
304 /* UDC */
305
306 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
307 };
308
309 static char tft_type = 's';
310
qt2410_tft_setup(char * str)311 static int __init qt2410_tft_setup(char *str)
312 {
313 tft_type = str[0];
314 return 1;
315 }
316
317 __setup("tft=", qt2410_tft_setup);
318
qt2410_map_io(void)319 static void __init qt2410_map_io(void)
320 {
321 s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
322 s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
323 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
324 }
325
qt2410_init_time(void)326 static void __init qt2410_init_time(void)
327 {
328 s3c2410_init_clocks(12000000);
329 s3c24xx_timer_init();
330 }
331
qt2410_machine_init(void)332 static void __init qt2410_machine_init(void)
333 {
334 s3c_nand_set_platdata(&qt2410_nand_info);
335
336 switch (tft_type) {
337 case 'p': /* production */
338 qt2410_fb_info.default_display = 1;
339 break;
340 case 'b': /* big */
341 qt2410_fb_info.default_display = 0;
342 break;
343 case 's': /* small */
344 default:
345 qt2410_fb_info.default_display = 2;
346 break;
347 }
348 s3c24xx_fb_set_platdata(&qt2410_fb_info);
349
350 /* set initial state of the LED GPIO */
351 WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
352 gpio_free(S3C2410_GPB(0));
353
354 s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
355 s3c_i2c0_set_platdata(NULL);
356
357 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
358 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
359 S3C_GPIO_PULL_NONE);
360 gpiod_add_lookup_table(&qt2410_spi_gpiod_table);
361 s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
362 gpiod_add_lookup_table(&qt2410_led_gpio_table);
363 gpiod_add_lookup_table(&qt2410_mmc_gpiod_table);
364 platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
365 s3c_pm_init();
366 }
367
368 MACHINE_START(QT2410, "QT2410")
369 .atag_offset = 0x100,
370 .map_io = qt2410_map_io,
371 .init_irq = s3c2410_init_irq,
372 .init_machine = qt2410_machine_init,
373 .init_time = qt2410_init_time,
374 MACHINE_END
375