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.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 <mach/hardware.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34
35 #include <linux/platform_data/leds-s3c24xx.h>
36 #include <mach/regs-lcd.h>
37 #include <mach/fb.h>
38 #include <linux/platform_data/mtd-nand-s3c2410.h>
39 #include <linux/platform_data/usb-s3c2410_udc.h>
40 #include <linux/platform_data/i2c-s3c2410.h>
41 #include <mach/gpio-samsung.h>
42
43 #include <plat/gpio-cfg.h>
44 #include <plat/devs.h>
45 #include <plat/cpu.h>
46 #include <plat/pm.h>
47 #include <plat/samsung-time.h>
48
49 #include "common.h"
50 #include "common-smdk.h"
51
52 static struct map_desc qt2410_iodesc[] __initdata = {
53 { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
54 };
55
56 #define UCON S3C2410_UCON_DEFAULT
57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
59
60 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
61 [0] = {
62 .hwport = 0,
63 .flags = 0,
64 .ucon = UCON,
65 .ulcon = ULCON,
66 .ufcon = UFCON,
67 },
68 [1] = {
69 .hwport = 1,
70 .flags = 0,
71 .ucon = UCON,
72 .ulcon = ULCON,
73 .ufcon = UFCON,
74 },
75 [2] = {
76 .hwport = 2,
77 .flags = 0,
78 .ucon = UCON,
79 .ulcon = ULCON,
80 .ufcon = UFCON,
81 }
82 };
83
84 /* LCD driver info */
85
86 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
87 {
88 /* Configuration for 640x480 SHARP LQ080V3DG01 */
89 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
90 S3C2410_LCDCON5_INVVLINE |
91 S3C2410_LCDCON5_INVVFRAME |
92 S3C2410_LCDCON5_PWREN |
93 S3C2410_LCDCON5_HWSWP,
94
95 .type = S3C2410_LCDCON1_TFT,
96 .width = 640,
97 .height = 480,
98
99 .pixclock = 40000, /* HCLK/4 */
100 .xres = 640,
101 .yres = 480,
102 .bpp = 16,
103 .left_margin = 44,
104 .right_margin = 116,
105 .hsync_len = 96,
106 .upper_margin = 19,
107 .lower_margin = 11,
108 .vsync_len = 15,
109 },
110 {
111 /* Configuration for 480x640 toppoly TD028TTEC1 */
112 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
113 S3C2410_LCDCON5_INVVLINE |
114 S3C2410_LCDCON5_INVVFRAME |
115 S3C2410_LCDCON5_PWREN |
116 S3C2410_LCDCON5_HWSWP,
117
118 .type = S3C2410_LCDCON1_TFT,
119 .width = 480,
120 .height = 640,
121 .pixclock = 40000, /* HCLK/4 */
122 .xres = 480,
123 .yres = 640,
124 .bpp = 16,
125 .left_margin = 8,
126 .right_margin = 24,
127 .hsync_len = 8,
128 .upper_margin = 2,
129 .lower_margin = 4,
130 .vsync_len = 2,
131 },
132 {
133 /* Config for 240x320 LCD */
134 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
135 S3C2410_LCDCON5_INVVLINE |
136 S3C2410_LCDCON5_INVVFRAME |
137 S3C2410_LCDCON5_PWREN |
138 S3C2410_LCDCON5_HWSWP,
139
140 .type = S3C2410_LCDCON1_TFT,
141 .width = 240,
142 .height = 320,
143 .pixclock = 100000, /* HCLK/10 */
144 .xres = 240,
145 .yres = 320,
146 .bpp = 16,
147 .left_margin = 13,
148 .right_margin = 8,
149 .hsync_len = 4,
150 .upper_margin = 2,
151 .lower_margin = 7,
152 .vsync_len = 4,
153 },
154 };
155
156
157 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
158 .displays = qt2410_lcd_cfg,
159 .num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
160 .default_display = 0,
161
162 .lpcsel = ((0xCE6) & ~7) | 1<<4,
163 };
164
165 /* CS8900 */
166
167 static struct resource qt2410_cs89x0_resources[] = {
168 [0] = DEFINE_RES_MEM(0x19000000, 17),
169 [1] = DEFINE_RES_IRQ(IRQ_EINT9),
170 };
171
172 static struct platform_device qt2410_cs89x0 = {
173 .name = "cirrus-cs89x0",
174 .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources),
175 .resource = qt2410_cs89x0_resources,
176 };
177
178 /* LED */
179
180 static struct s3c24xx_led_platdata qt2410_pdata_led = {
181 .gpio = S3C2410_GPB(0),
182 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
183 .name = "led",
184 .def_trigger = "timer",
185 };
186
187 static struct platform_device qt2410_led = {
188 .name = "s3c24xx_led",
189 .id = 0,
190 .dev = {
191 .platform_data = &qt2410_pdata_led,
192 },
193 };
194
195 /* SPI */
196
197 static struct spi_gpio_platform_data spi_gpio_cfg = {
198 .num_chipselect = 1,
199 };
200
201 static struct platform_device qt2410_spi = {
202 .name = "spi_gpio",
203 .id = 1,
204 .dev.platform_data = &spi_gpio_cfg,
205 };
206
207 static struct gpiod_lookup_table qt2410_spi_gpiod_table = {
208 .dev_id = "spi_gpio",
209 .table = {
210 GPIO_LOOKUP("GPIOG", 7,
211 "sck", GPIO_ACTIVE_HIGH),
212 GPIO_LOOKUP("GPIOG", 6,
213 "mosi", GPIO_ACTIVE_HIGH),
214 GPIO_LOOKUP("GPIOG", 5,
215 "miso", GPIO_ACTIVE_HIGH),
216 GPIO_LOOKUP("GPIOB", 5,
217 "cs", GPIO_ACTIVE_HIGH),
218 { },
219 },
220 };
221
222 /* Board devices */
223
224 static struct platform_device *qt2410_devices[] __initdata = {
225 &s3c_device_ohci,
226 &s3c_device_lcd,
227 &s3c_device_wdt,
228 &s3c_device_i2c0,
229 &s3c_device_iis,
230 &s3c_device_sdi,
231 &s3c_device_usbgadget,
232 &qt2410_spi,
233 &qt2410_cs89x0,
234 &qt2410_led,
235 };
236
237 static struct mtd_partition __initdata qt2410_nand_part[] = {
238 [0] = {
239 .name = "U-Boot",
240 .size = 0x30000,
241 .offset = 0,
242 },
243 [1] = {
244 .name = "U-Boot environment",
245 .offset = 0x30000,
246 .size = 0x4000,
247 },
248 [2] = {
249 .name = "kernel",
250 .offset = 0x34000,
251 .size = SZ_2M,
252 },
253 [3] = {
254 .name = "initrd",
255 .offset = 0x234000,
256 .size = SZ_4M,
257 },
258 [4] = {
259 .name = "jffs2",
260 .offset = 0x634000,
261 .size = 0x39cc000,
262 },
263 };
264
265 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
266 [0] = {
267 .name = "NAND",
268 .nr_chips = 1,
269 .nr_partitions = ARRAY_SIZE(qt2410_nand_part),
270 .partitions = qt2410_nand_part,
271 },
272 };
273
274 /* choose a set of timings which should suit most 512Mbit
275 * chips and beyond.
276 */
277
278 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
279 .tacls = 20,
280 .twrph0 = 60,
281 .twrph1 = 20,
282 .nr_sets = ARRAY_SIZE(qt2410_nand_sets),
283 .sets = qt2410_nand_sets,
284 .ecc_mode = NAND_ECC_SOFT,
285 };
286
287 /* UDC */
288
289 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
290 };
291
292 static char tft_type = 's';
293
qt2410_tft_setup(char * str)294 static int __init qt2410_tft_setup(char *str)
295 {
296 tft_type = str[0];
297 return 1;
298 }
299
300 __setup("tft=", qt2410_tft_setup);
301
qt2410_map_io(void)302 static void __init qt2410_map_io(void)
303 {
304 s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
305 s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
306 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
307 }
308
qt2410_init_time(void)309 static void __init qt2410_init_time(void)
310 {
311 s3c2410_init_clocks(12000000);
312 samsung_timer_init();
313 }
314
qt2410_machine_init(void)315 static void __init qt2410_machine_init(void)
316 {
317 s3c_nand_set_platdata(&qt2410_nand_info);
318
319 switch (tft_type) {
320 case 'p': /* production */
321 qt2410_fb_info.default_display = 1;
322 break;
323 case 'b': /* big */
324 qt2410_fb_info.default_display = 0;
325 break;
326 case 's': /* small */
327 default:
328 qt2410_fb_info.default_display = 2;
329 break;
330 }
331 s3c24xx_fb_set_platdata(&qt2410_fb_info);
332
333 /* set initial state of the LED GPIO */
334 WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
335 gpio_free(S3C2410_GPB(0));
336
337 s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
338 s3c_i2c0_set_platdata(NULL);
339
340 gpiod_add_lookup_table(&qt2410_spi_gpiod_table);
341 platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
342 s3c_pm_init();
343 }
344
345 MACHINE_START(QT2410, "QT2410")
346 .atag_offset = 0x100,
347 .map_io = qt2410_map_io,
348 .init_irq = s3c2410_init_irq,
349 .init_machine = qt2410_machine_init,
350 .init_time = qt2410_init_time,
351 MACHINE_END
352