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5718df9d BD |
1 | /* linux/arch/arm/mach-s3c6410/mach-smdk6410.c |
2 | * | |
3 | * Copyright 2008 Openmoko, Inc. | |
4 | * Copyright 2008 Simtec Electronics | |
5 | * Ben Dooks <ben@simtec.co.uk> | |
6 | * http://armlinux.simtec.co.uk/ | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/types.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/list.h> | |
18 | #include <linux/timer.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/serial_core.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/io.h> | |
096941ed | 23 | #include <linux/i2c.h> |
438a5d42 BD |
24 | #include <linux/fb.h> |
25 | #include <linux/gpio.h> | |
26 | #include <linux/delay.h> | |
3056ea0a | 27 | #include <linux/smsc911x.h> |
42015c13 | 28 | #include <linux/regulator/fixed.h> |
438a5d42 | 29 | |
ecc558ac MB |
30 | #ifdef CONFIG_SMDK6410_WM1190_EV1 |
31 | #include <linux/mfd/wm8350/core.h> | |
32 | #include <linux/mfd/wm8350/pmic.h> | |
33 | #endif | |
438a5d42 BD |
34 | |
35 | #include <video/platform_lcd.h> | |
5718df9d BD |
36 | |
37 | #include <asm/mach/arch.h> | |
38 | #include <asm/mach/map.h> | |
39 | #include <asm/mach/irq.h> | |
40 | ||
41 | #include <mach/hardware.h> | |
438a5d42 | 42 | #include <mach/regs-fb.h> |
5718df9d BD |
43 | #include <mach/map.h> |
44 | ||
45 | #include <asm/irq.h> | |
46 | #include <asm/mach-types.h> | |
47 | ||
48 | #include <plat/regs-serial.h> | |
d6662c35 BD |
49 | #include <plat/regs-modem.h> |
50 | #include <plat/regs-gpio.h> | |
51 | #include <plat/regs-sys.h> | |
f01fdac0 | 52 | #include <plat/regs-srom.h> |
d85fa24c | 53 | #include <plat/iic.h> |
438a5d42 | 54 | #include <plat/fb.h> |
3056ea0a | 55 | #include <plat/gpio-cfg.h> |
5718df9d BD |
56 | |
57 | #include <plat/s3c6410.h> | |
58 | #include <plat/clock.h> | |
59 | #include <plat/devs.h> | |
60 | #include <plat/cpu.h> | |
61 | ||
62 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | |
63 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | |
64 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | |
65 | ||
66 | static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = { | |
67 | [0] = { | |
68 | .hwport = 0, | |
69 | .flags = 0, | |
bd258e52 MH |
70 | .ucon = UCON, |
71 | .ulcon = ULCON, | |
72 | .ufcon = UFCON, | |
5718df9d BD |
73 | }, |
74 | [1] = { | |
75 | .hwport = 1, | |
76 | .flags = 0, | |
bd258e52 MH |
77 | .ucon = UCON, |
78 | .ulcon = ULCON, | |
79 | .ufcon = UFCON, | |
80 | }, | |
81 | [2] = { | |
82 | .hwport = 2, | |
83 | .flags = 0, | |
84 | .ucon = UCON, | |
85 | .ulcon = ULCON, | |
86 | .ufcon = UFCON, | |
87 | }, | |
88 | [3] = { | |
89 | .hwport = 3, | |
90 | .flags = 0, | |
91 | .ucon = UCON, | |
92 | .ulcon = ULCON, | |
93 | .ufcon = UFCON, | |
5718df9d BD |
94 | }, |
95 | }; | |
96 | ||
438a5d42 BD |
97 | /* framebuffer and LCD setup. */ |
98 | ||
99 | /* GPF15 = LCD backlight control | |
100 | * GPF13 => Panel power | |
101 | * GPN5 = LCD nRESET signal | |
102 | * PWM_TOUT1 => backlight brightness | |
103 | */ | |
104 | ||
105 | static void smdk6410_lcd_power_set(struct plat_lcd_data *pd, | |
106 | unsigned int power) | |
107 | { | |
108 | if (power) { | |
109 | gpio_direction_output(S3C64XX_GPF(13), 1); | |
110 | gpio_direction_output(S3C64XX_GPF(15), 1); | |
111 | ||
112 | /* fire nRESET on power up */ | |
113 | gpio_direction_output(S3C64XX_GPN(5), 0); | |
114 | msleep(10); | |
115 | gpio_direction_output(S3C64XX_GPN(5), 1); | |
116 | msleep(1); | |
117 | } else { | |
118 | gpio_direction_output(S3C64XX_GPF(15), 0); | |
119 | gpio_direction_output(S3C64XX_GPF(13), 0); | |
120 | } | |
121 | } | |
122 | ||
123 | static struct plat_lcd_data smdk6410_lcd_power_data = { | |
124 | .set_power = smdk6410_lcd_power_set, | |
125 | }; | |
126 | ||
127 | static struct platform_device smdk6410_lcd_powerdev = { | |
128 | .name = "platform-lcd", | |
129 | .dev.parent = &s3c_device_fb.dev, | |
130 | .dev.platform_data = &smdk6410_lcd_power_data, | |
131 | }; | |
132 | ||
133 | static struct s3c_fb_pd_win smdk6410_fb_win0 = { | |
134 | /* this is to ensure we use win0 */ | |
135 | .win_mode = { | |
136 | .pixclock = 41094, | |
137 | .left_margin = 8, | |
138 | .right_margin = 13, | |
139 | .upper_margin = 7, | |
140 | .lower_margin = 5, | |
141 | .hsync_len = 3, | |
142 | .vsync_len = 1, | |
143 | .xres = 800, | |
144 | .yres = 480, | |
145 | }, | |
146 | .max_bpp = 32, | |
147 | .default_bpp = 16, | |
148 | }; | |
149 | ||
150 | /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ | |
151 | static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { | |
152 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, | |
153 | .win[0] = &smdk6410_fb_win0, | |
154 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
155 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
156 | }; | |
157 | ||
a4e94694 AG |
158 | /* |
159 | * Configuring Ethernet on SMDK6410 | |
160 | * | |
161 | * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6. | |
162 | * The constant address below corresponds to nCS1 | |
163 | * | |
164 | * 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet" | |
165 | * 2) CFG6 needs to be switched to "LAN9115" side | |
166 | */ | |
167 | ||
3056ea0a MB |
168 | static struct resource smdk6410_smsc911x_resources[] = { |
169 | [0] = { | |
f01fdac0 AG |
170 | .start = S3C64XX_PA_XM0CSN1, |
171 | .end = S3C64XX_PA_XM0CSN1 + SZ_64K - 1, | |
3056ea0a MB |
172 | .flags = IORESOURCE_MEM, |
173 | }, | |
174 | [1] = { | |
175 | .start = S3C_EINT(10), | |
176 | .end = S3C_EINT(10), | |
177 | .flags = IORESOURCE_IRQ | IRQ_TYPE_LEVEL_LOW, | |
178 | }, | |
179 | }; | |
180 | ||
181 | static struct smsc911x_platform_config smdk6410_smsc911x_pdata = { | |
182 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
183 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
184 | .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY, | |
185 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
186 | }; | |
187 | ||
188 | ||
189 | static struct platform_device smdk6410_smsc911x = { | |
190 | .name = "smsc911x", | |
191 | .id = -1, | |
192 | .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources), | |
193 | .resource = &smdk6410_smsc911x_resources[0], | |
194 | .dev = { | |
195 | .platform_data = &smdk6410_smsc911x_pdata, | |
196 | }, | |
197 | }; | |
198 | ||
42015c13 MB |
199 | #ifdef CONFIG_REGULATOR |
200 | static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] = { | |
201 | { | |
202 | /* WM8580 */ | |
203 | .supply = "PVDD", | |
204 | .dev_name = "0-001b", | |
205 | }, | |
206 | { | |
207 | /* WM8580 */ | |
208 | .supply = "AVDD", | |
209 | .dev_name = "0-001b", | |
210 | }, | |
211 | }; | |
212 | ||
213 | static struct regulator_init_data smdk6410_b_pwr_5v_data = { | |
214 | .constraints = { | |
215 | .always_on = 1, | |
216 | }, | |
217 | .num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers), | |
218 | .consumer_supplies = smdk6410_b_pwr_5v_consumers, | |
219 | }; | |
220 | ||
221 | static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = { | |
222 | .supply_name = "B_PWR_5V", | |
223 | .microvolts = 5000000, | |
224 | .init_data = &smdk6410_b_pwr_5v_data, | |
d3cf4489 | 225 | .gpio = -EINVAL, |
42015c13 MB |
226 | }; |
227 | ||
228 | static struct platform_device smdk6410_b_pwr_5v = { | |
229 | .name = "reg-fixed-voltage", | |
230 | .id = -1, | |
231 | .dev = { | |
232 | .platform_data = &smdk6410_b_pwr_5v_pdata, | |
233 | }, | |
234 | }; | |
235 | #endif | |
236 | ||
027191a8 | 237 | static struct map_desc smdk6410_iodesc[] = {}; |
5718df9d BD |
238 | |
239 | static struct platform_device *smdk6410_devices[] __initdata = { | |
b24636cf | 240 | #ifdef CONFIG_SMDK6410_SD_CH0 |
39057f23 | 241 | &s3c_device_hsmmc0, |
b24636cf BD |
242 | #endif |
243 | #ifdef CONFIG_SMDK6410_SD_CH1 | |
244 | &s3c_device_hsmmc1, | |
245 | #endif | |
d85fa24c | 246 | &s3c_device_i2c0, |
d7ea3743 | 247 | &s3c_device_i2c1, |
438a5d42 | 248 | &s3c_device_fb, |
b813248c | 249 | &s3c_device_ohci, |
06fa1d37 | 250 | &s3c_device_usb_hsotg, |
42015c13 MB |
251 | |
252 | #ifdef CONFIG_REGULATOR | |
253 | &smdk6410_b_pwr_5v, | |
254 | #endif | |
438a5d42 | 255 | &smdk6410_lcd_powerdev, |
3056ea0a MB |
256 | |
257 | &smdk6410_smsc911x, | |
5718df9d BD |
258 | }; |
259 | ||
ecc558ac MB |
260 | #ifdef CONFIG_SMDK6410_WM1190_EV1 |
261 | /* S3C64xx internal logic & PLL */ | |
262 | static struct regulator_init_data wm8350_dcdc1_data = { | |
263 | .constraints = { | |
264 | .name = "PVDD_INT/PVDD_PLL", | |
265 | .min_uV = 1200000, | |
266 | .max_uV = 1200000, | |
267 | .always_on = 1, | |
268 | .apply_uV = 1, | |
269 | }, | |
270 | }; | |
271 | ||
272 | /* Memory */ | |
273 | static struct regulator_init_data wm8350_dcdc3_data = { | |
274 | .constraints = { | |
275 | .name = "PVDD_MEM", | |
276 | .min_uV = 1800000, | |
277 | .max_uV = 1800000, | |
278 | .always_on = 1, | |
279 | .state_mem = { | |
280 | .uV = 1800000, | |
281 | .mode = REGULATOR_MODE_NORMAL, | |
282 | .enabled = 1, | |
283 | }, | |
284 | .initial_state = PM_SUSPEND_MEM, | |
285 | }, | |
286 | }; | |
287 | ||
288 | /* USB, EXT, PCM, ADC/DAC, USB, MMC */ | |
42015c13 MB |
289 | static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = { |
290 | { | |
291 | /* WM8580 */ | |
292 | .supply = "DVDD", | |
293 | .dev_name = "0-001b", | |
294 | }, | |
295 | }; | |
296 | ||
ecc558ac MB |
297 | static struct regulator_init_data wm8350_dcdc4_data = { |
298 | .constraints = { | |
299 | .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV", | |
300 | .min_uV = 3000000, | |
301 | .max_uV = 3000000, | |
302 | .always_on = 1, | |
303 | }, | |
42015c13 MB |
304 | .num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers), |
305 | .consumer_supplies = wm8350_dcdc4_consumers, | |
ecc558ac MB |
306 | }; |
307 | ||
308 | /* ARM core */ | |
e3980b6a MB |
309 | static struct regulator_consumer_supply dcdc6_consumers[] = { |
310 | { | |
311 | .supply = "vddarm", | |
312 | } | |
313 | }; | |
314 | ||
ecc558ac MB |
315 | static struct regulator_init_data wm8350_dcdc6_data = { |
316 | .constraints = { | |
317 | .name = "PVDD_ARM", | |
318 | .min_uV = 1000000, | |
319 | .max_uV = 1300000, | |
320 | .always_on = 1, | |
e3980b6a | 321 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
ecc558ac | 322 | }, |
e3980b6a MB |
323 | .num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers), |
324 | .consumer_supplies = dcdc6_consumers, | |
5718df9d BD |
325 | }; |
326 | ||
ecc558ac MB |
327 | /* Alive */ |
328 | static struct regulator_init_data wm8350_ldo1_data = { | |
329 | .constraints = { | |
330 | .name = "PVDD_ALIVE", | |
331 | .min_uV = 1200000, | |
332 | .max_uV = 1200000, | |
333 | .always_on = 1, | |
334 | .apply_uV = 1, | |
335 | }, | |
336 | }; | |
337 | ||
338 | /* OTG */ | |
339 | static struct regulator_init_data wm8350_ldo2_data = { | |
340 | .constraints = { | |
341 | .name = "PVDD_OTG", | |
342 | .min_uV = 3300000, | |
343 | .max_uV = 3300000, | |
f53aee29 | 344 | .always_on = 1, |
ecc558ac MB |
345 | }, |
346 | }; | |
347 | ||
348 | /* LCD */ | |
349 | static struct regulator_init_data wm8350_ldo3_data = { | |
350 | .constraints = { | |
351 | .name = "PVDD_LCD", | |
352 | .min_uV = 3000000, | |
353 | .max_uV = 3000000, | |
f53aee29 | 354 | .always_on = 1, |
ecc558ac MB |
355 | }, |
356 | }; | |
357 | ||
358 | /* OTGi/1190-EV1 HPVDD & AVDD */ | |
359 | static struct regulator_init_data wm8350_ldo4_data = { | |
360 | .constraints = { | |
361 | .name = "PVDD_OTGI/HPVDD/AVDD", | |
362 | .min_uV = 1200000, | |
363 | .max_uV = 1200000, | |
364 | .apply_uV = 1, | |
f53aee29 | 365 | .always_on = 1, |
ecc558ac MB |
366 | }, |
367 | }; | |
368 | ||
369 | static struct { | |
370 | int regulator; | |
371 | struct regulator_init_data *initdata; | |
372 | } wm1190_regulators[] = { | |
373 | { WM8350_DCDC_1, &wm8350_dcdc1_data }, | |
374 | { WM8350_DCDC_3, &wm8350_dcdc3_data }, | |
375 | { WM8350_DCDC_4, &wm8350_dcdc4_data }, | |
376 | { WM8350_DCDC_6, &wm8350_dcdc6_data }, | |
377 | { WM8350_LDO_1, &wm8350_ldo1_data }, | |
378 | { WM8350_LDO_2, &wm8350_ldo2_data }, | |
379 | { WM8350_LDO_3, &wm8350_ldo3_data }, | |
380 | { WM8350_LDO_4, &wm8350_ldo4_data }, | |
381 | }; | |
382 | ||
383 | static int __init smdk6410_wm8350_init(struct wm8350 *wm8350) | |
384 | { | |
385 | int i; | |
386 | ||
a3323b72 MB |
387 | /* Configure the IRQ line */ |
388 | s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP); | |
389 | ||
ecc558ac MB |
390 | /* Instantiate the regulators */ |
391 | for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++) | |
392 | wm8350_register_regulator(wm8350, | |
393 | wm1190_regulators[i].regulator, | |
394 | wm1190_regulators[i].initdata); | |
395 | ||
396 | return 0; | |
397 | } | |
398 | ||
399 | static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = { | |
400 | .init = smdk6410_wm8350_init, | |
db9256f3 | 401 | .irq_high = 1, |
ecc558ac MB |
402 | }; |
403 | #endif | |
404 | ||
096941ed BD |
405 | static struct i2c_board_info i2c_devs0[] __initdata = { |
406 | { I2C_BOARD_INFO("24c08", 0x50), }, | |
77897479 | 407 | { I2C_BOARD_INFO("wm8580", 0x1b), }, |
ecc558ac MB |
408 | |
409 | #ifdef CONFIG_SMDK6410_WM1190_EV1 | |
410 | { I2C_BOARD_INFO("wm8350", 0x1a), | |
411 | .platform_data = &smdk6410_wm8350_pdata, | |
412 | .irq = S3C_EINT(12), | |
413 | }, | |
414 | #endif | |
096941ed BD |
415 | }; |
416 | ||
417 | static struct i2c_board_info i2c_devs1[] __initdata = { | |
418 | { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */ | |
5718df9d BD |
419 | }; |
420 | ||
5718df9d BD |
421 | static void __init smdk6410_map_io(void) |
422 | { | |
d6662c35 BD |
423 | u32 tmp; |
424 | ||
5718df9d BD |
425 | s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); |
426 | s3c24xx_init_clocks(12000000); | |
427 | s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); | |
d6662c35 BD |
428 | |
429 | /* set the LCD type */ | |
430 | ||
431 | tmp = __raw_readl(S3C64XX_SPCON); | |
432 | tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; | |
433 | tmp |= S3C64XX_SPCON_LCD_SEL_RGB; | |
434 | __raw_writel(tmp, S3C64XX_SPCON); | |
435 | ||
436 | /* remove the lcd bypass */ | |
437 | tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); | |
438 | tmp &= ~MIFPCON_LCD_BYPASS; | |
439 | __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); | |
5718df9d BD |
440 | } |
441 | ||
442 | static void __init smdk6410_machine_init(void) | |
443 | { | |
f01fdac0 AG |
444 | u32 cs1; |
445 | ||
d85fa24c | 446 | s3c_i2c0_set_platdata(NULL); |
d7ea3743 | 447 | s3c_i2c1_set_platdata(NULL); |
438a5d42 | 448 | s3c_fb_set_platdata(&smdk6410_lcd_pdata); |
096941ed | 449 | |
f01fdac0 AG |
450 | /* configure nCS1 width to 16 bits */ |
451 | ||
452 | cs1 = __raw_readl(S3C64XX_SROM_BW) & | |
453 | ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT); | |
454 | cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) | | |
455 | (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) | | |
456 | (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) << | |
457 | S3C64XX_SROM_BW__NCS1__SHIFT; | |
458 | __raw_writel(cs1, S3C64XX_SROM_BW); | |
459 | ||
460 | /* set timing for nCS1 suitable for ethernet chip */ | |
461 | ||
462 | __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) | | |
463 | (6 << S3C64XX_SROM_BCX__TACP__SHIFT) | | |
464 | (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) | | |
465 | (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) | | |
466 | (0xe << S3C64XX_SROM_BCX__TACC__SHIFT) | | |
467 | (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) | | |
468 | (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1); | |
469 | ||
b7f9a94b MB |
470 | gpio_request(S3C64XX_GPN(5), "LCD power"); |
471 | gpio_request(S3C64XX_GPF(13), "LCD power"); | |
472 | gpio_request(S3C64XX_GPF(15), "LCD power"); | |
473 | ||
096941ed BD |
474 | i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); |
475 | i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); | |
476 | ||
5718df9d BD |
477 | platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); |
478 | } | |
479 | ||
480 | MACHINE_START(SMDK6410, "SMDK6410") | |
481 | /* Maintainer: Ben Dooks <ben@fluff.org> */ | |
482 | .phys_io = S3C_PA_UART & 0xfff00000, | |
483 | .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, | |
484 | .boot_params = S3C64XX_PA_SDRAM + 0x100, | |
485 | ||
486 | .init_irq = s3c6410_init_irq, | |
487 | .map_io = smdk6410_map_io, | |
488 | .init_machine = smdk6410_machine_init, | |
489 | .timer = &s3c24xx_timer, | |
490 | MACHINE_END |