1 /*
2  * TI DaVinci DM644x chip specific setup
3  *
4  * Author: Kevin Hilman, Deep Root Systems, LLC
5  *
6  * 2007 (c) Deep Root Systems, LLC. This file is licensed under
7  * the terms of the GNU General Public License version 2. This program
8  * is licensed "as is" without any warranty of any kind, whether express
9  * or implied.
10  */
11 #include <linux/init.h>
12 #include <linux/clk.h>
13 #include <linux/serial_8250.h>
14 #include <linux/platform_device.h>
15 
16 #include <asm/mach/map.h>
17 
18 #include <mach/cputype.h>
19 #include <mach/edma.h>
20 #include <mach/irqs.h>
21 #include <mach/psc.h>
22 #include <mach/mux.h>
23 #include <mach/time.h>
24 #include <mach/serial.h>
25 #include <mach/common.h>
26 #include <mach/asp.h>
27 #include <mach/gpio-davinci.h>
28 
29 #include "davinci.h"
30 #include "clock.h"
31 #include "mux.h"
32 
33 /*
34  * Device specific clocks
35  */
36 #define DM644X_REF_FREQ		27000000
37 
38 #define DM644X_EMAC_BASE		0x01c80000
39 #define DM644X_EMAC_MDIO_BASE		(DM644X_EMAC_BASE + 0x4000)
40 #define DM644X_EMAC_CNTRL_OFFSET	0x0000
41 #define DM644X_EMAC_CNTRL_MOD_OFFSET	0x1000
42 #define DM644X_EMAC_CNTRL_RAM_OFFSET	0x2000
43 #define DM644X_EMAC_CNTRL_RAM_SIZE	0x2000
44 
45 static struct pll_data pll1_data = {
46 	.num       = 1,
47 	.phys_base = DAVINCI_PLL1_BASE,
48 };
49 
50 static struct pll_data pll2_data = {
51 	.num       = 2,
52 	.phys_base = DAVINCI_PLL2_BASE,
53 };
54 
55 static struct clk ref_clk = {
56 	.name = "ref_clk",
57 	.rate = DM644X_REF_FREQ,
58 };
59 
60 static struct clk pll1_clk = {
61 	.name = "pll1",
62 	.parent = &ref_clk,
63 	.pll_data = &pll1_data,
64 	.flags = CLK_PLL,
65 };
66 
67 static struct clk pll1_sysclk1 = {
68 	.name = "pll1_sysclk1",
69 	.parent = &pll1_clk,
70 	.flags = CLK_PLL,
71 	.div_reg = PLLDIV1,
72 };
73 
74 static struct clk pll1_sysclk2 = {
75 	.name = "pll1_sysclk2",
76 	.parent = &pll1_clk,
77 	.flags = CLK_PLL,
78 	.div_reg = PLLDIV2,
79 };
80 
81 static struct clk pll1_sysclk3 = {
82 	.name = "pll1_sysclk3",
83 	.parent = &pll1_clk,
84 	.flags = CLK_PLL,
85 	.div_reg = PLLDIV3,
86 };
87 
88 static struct clk pll1_sysclk5 = {
89 	.name = "pll1_sysclk5",
90 	.parent = &pll1_clk,
91 	.flags = CLK_PLL,
92 	.div_reg = PLLDIV5,
93 };
94 
95 static struct clk pll1_aux_clk = {
96 	.name = "pll1_aux_clk",
97 	.parent = &pll1_clk,
98 	.flags = CLK_PLL | PRE_PLL,
99 };
100 
101 static struct clk pll1_sysclkbp = {
102 	.name = "pll1_sysclkbp",
103 	.parent = &pll1_clk,
104 	.flags = CLK_PLL | PRE_PLL,
105 	.div_reg = BPDIV
106 };
107 
108 static struct clk pll2_clk = {
109 	.name = "pll2",
110 	.parent = &ref_clk,
111 	.pll_data = &pll2_data,
112 	.flags = CLK_PLL,
113 };
114 
115 static struct clk pll2_sysclk1 = {
116 	.name = "pll2_sysclk1",
117 	.parent = &pll2_clk,
118 	.flags = CLK_PLL,
119 	.div_reg = PLLDIV1,
120 };
121 
122 static struct clk pll2_sysclk2 = {
123 	.name = "pll2_sysclk2",
124 	.parent = &pll2_clk,
125 	.flags = CLK_PLL,
126 	.div_reg = PLLDIV2,
127 };
128 
129 static struct clk pll2_sysclkbp = {
130 	.name = "pll2_sysclkbp",
131 	.parent = &pll2_clk,
132 	.flags = CLK_PLL | PRE_PLL,
133 	.div_reg = BPDIV
134 };
135 
136 static struct clk dsp_clk = {
137 	.name = "dsp",
138 	.parent = &pll1_sysclk1,
139 	.lpsc = DAVINCI_LPSC_GEM,
140 	.domain = DAVINCI_GPSC_DSPDOMAIN,
141 	.usecount = 1,			/* REVISIT how to disable? */
142 };
143 
144 static struct clk arm_clk = {
145 	.name = "arm",
146 	.parent = &pll1_sysclk2,
147 	.lpsc = DAVINCI_LPSC_ARM,
148 	.flags = ALWAYS_ENABLED,
149 };
150 
151 static struct clk vicp_clk = {
152 	.name = "vicp",
153 	.parent = &pll1_sysclk2,
154 	.lpsc = DAVINCI_LPSC_IMCOP,
155 	.domain = DAVINCI_GPSC_DSPDOMAIN,
156 	.usecount = 1,			/* REVISIT how to disable? */
157 };
158 
159 static struct clk vpss_master_clk = {
160 	.name = "vpss_master",
161 	.parent = &pll1_sysclk3,
162 	.lpsc = DAVINCI_LPSC_VPSSMSTR,
163 	.flags = CLK_PSC,
164 };
165 
166 static struct clk vpss_slave_clk = {
167 	.name = "vpss_slave",
168 	.parent = &pll1_sysclk3,
169 	.lpsc = DAVINCI_LPSC_VPSSSLV,
170 };
171 
172 static struct clk uart0_clk = {
173 	.name = "uart0",
174 	.parent = &pll1_aux_clk,
175 	.lpsc = DAVINCI_LPSC_UART0,
176 };
177 
178 static struct clk uart1_clk = {
179 	.name = "uart1",
180 	.parent = &pll1_aux_clk,
181 	.lpsc = DAVINCI_LPSC_UART1,
182 };
183 
184 static struct clk uart2_clk = {
185 	.name = "uart2",
186 	.parent = &pll1_aux_clk,
187 	.lpsc = DAVINCI_LPSC_UART2,
188 };
189 
190 static struct clk emac_clk = {
191 	.name = "emac",
192 	.parent = &pll1_sysclk5,
193 	.lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
194 };
195 
196 static struct clk i2c_clk = {
197 	.name = "i2c",
198 	.parent = &pll1_aux_clk,
199 	.lpsc = DAVINCI_LPSC_I2C,
200 };
201 
202 static struct clk ide_clk = {
203 	.name = "ide",
204 	.parent = &pll1_sysclk5,
205 	.lpsc = DAVINCI_LPSC_ATA,
206 };
207 
208 static struct clk asp_clk = {
209 	.name = "asp0",
210 	.parent = &pll1_sysclk5,
211 	.lpsc = DAVINCI_LPSC_McBSP,
212 };
213 
214 static struct clk mmcsd_clk = {
215 	.name = "mmcsd",
216 	.parent = &pll1_sysclk5,
217 	.lpsc = DAVINCI_LPSC_MMC_SD,
218 };
219 
220 static struct clk spi_clk = {
221 	.name = "spi",
222 	.parent = &pll1_sysclk5,
223 	.lpsc = DAVINCI_LPSC_SPI,
224 };
225 
226 static struct clk gpio_clk = {
227 	.name = "gpio",
228 	.parent = &pll1_sysclk5,
229 	.lpsc = DAVINCI_LPSC_GPIO,
230 };
231 
232 static struct clk usb_clk = {
233 	.name = "usb",
234 	.parent = &pll1_sysclk5,
235 	.lpsc = DAVINCI_LPSC_USB,
236 };
237 
238 static struct clk vlynq_clk = {
239 	.name = "vlynq",
240 	.parent = &pll1_sysclk5,
241 	.lpsc = DAVINCI_LPSC_VLYNQ,
242 };
243 
244 static struct clk aemif_clk = {
245 	.name = "aemif",
246 	.parent = &pll1_sysclk5,
247 	.lpsc = DAVINCI_LPSC_AEMIF,
248 };
249 
250 static struct clk pwm0_clk = {
251 	.name = "pwm0",
252 	.parent = &pll1_aux_clk,
253 	.lpsc = DAVINCI_LPSC_PWM0,
254 };
255 
256 static struct clk pwm1_clk = {
257 	.name = "pwm1",
258 	.parent = &pll1_aux_clk,
259 	.lpsc = DAVINCI_LPSC_PWM1,
260 };
261 
262 static struct clk pwm2_clk = {
263 	.name = "pwm2",
264 	.parent = &pll1_aux_clk,
265 	.lpsc = DAVINCI_LPSC_PWM2,
266 };
267 
268 static struct clk timer0_clk = {
269 	.name = "timer0",
270 	.parent = &pll1_aux_clk,
271 	.lpsc = DAVINCI_LPSC_TIMER0,
272 };
273 
274 static struct clk timer1_clk = {
275 	.name = "timer1",
276 	.parent = &pll1_aux_clk,
277 	.lpsc = DAVINCI_LPSC_TIMER1,
278 };
279 
280 static struct clk timer2_clk = {
281 	.name = "timer2",
282 	.parent = &pll1_aux_clk,
283 	.lpsc = DAVINCI_LPSC_TIMER2,
284 	.usecount = 1,              /* REVISIT: why can't this be disabled? */
285 };
286 
287 static struct clk_lookup dm644x_clks[] = {
288 	CLK(NULL, "ref", &ref_clk),
289 	CLK(NULL, "pll1", &pll1_clk),
290 	CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
291 	CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
292 	CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
293 	CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
294 	CLK(NULL, "pll1_aux", &pll1_aux_clk),
295 	CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
296 	CLK(NULL, "pll2", &pll2_clk),
297 	CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
298 	CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
299 	CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
300 	CLK(NULL, "dsp", &dsp_clk),
301 	CLK(NULL, "arm", &arm_clk),
302 	CLK(NULL, "vicp", &vicp_clk),
303 	CLK(NULL, "vpss_master", &vpss_master_clk),
304 	CLK(NULL, "vpss_slave", &vpss_slave_clk),
305 	CLK(NULL, "arm", &arm_clk),
306 	CLK(NULL, "uart0", &uart0_clk),
307 	CLK(NULL, "uart1", &uart1_clk),
308 	CLK(NULL, "uart2", &uart2_clk),
309 	CLK("davinci_emac.1", NULL, &emac_clk),
310 	CLK("i2c_davinci.1", NULL, &i2c_clk),
311 	CLK("palm_bk3710", NULL, &ide_clk),
312 	CLK("davinci-mcbsp", NULL, &asp_clk),
313 	CLK("davinci_mmc.0", NULL, &mmcsd_clk),
314 	CLK(NULL, "spi", &spi_clk),
315 	CLK(NULL, "gpio", &gpio_clk),
316 	CLK(NULL, "usb", &usb_clk),
317 	CLK(NULL, "vlynq", &vlynq_clk),
318 	CLK(NULL, "aemif", &aemif_clk),
319 	CLK(NULL, "pwm0", &pwm0_clk),
320 	CLK(NULL, "pwm1", &pwm1_clk),
321 	CLK(NULL, "pwm2", &pwm2_clk),
322 	CLK(NULL, "timer0", &timer0_clk),
323 	CLK(NULL, "timer1", &timer1_clk),
324 	CLK("watchdog", NULL, &timer2_clk),
325 	CLK(NULL, NULL, NULL),
326 };
327 
328 static struct emac_platform_data dm644x_emac_pdata = {
329 	.ctrl_reg_offset	= DM644X_EMAC_CNTRL_OFFSET,
330 	.ctrl_mod_reg_offset	= DM644X_EMAC_CNTRL_MOD_OFFSET,
331 	.ctrl_ram_offset	= DM644X_EMAC_CNTRL_RAM_OFFSET,
332 	.ctrl_ram_size		= DM644X_EMAC_CNTRL_RAM_SIZE,
333 	.version		= EMAC_VERSION_1,
334 };
335 
336 static struct resource dm644x_emac_resources[] = {
337 	{
338 		.start	= DM644X_EMAC_BASE,
339 		.end	= DM644X_EMAC_BASE + SZ_16K - 1,
340 		.flags	= IORESOURCE_MEM,
341 	},
342 	{
343 		.start = IRQ_EMACINT,
344 		.end   = IRQ_EMACINT,
345 		.flags = IORESOURCE_IRQ,
346 	},
347 };
348 
349 static struct platform_device dm644x_emac_device = {
350        .name		= "davinci_emac",
351        .id		= 1,
352        .dev = {
353 	       .platform_data	= &dm644x_emac_pdata,
354        },
355        .num_resources	= ARRAY_SIZE(dm644x_emac_resources),
356        .resource	= dm644x_emac_resources,
357 };
358 
359 static struct resource dm644x_mdio_resources[] = {
360 	{
361 		.start	= DM644X_EMAC_MDIO_BASE,
362 		.end	= DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
363 		.flags	= IORESOURCE_MEM,
364 	},
365 };
366 
367 static struct platform_device dm644x_mdio_device = {
368 	.name		= "davinci_mdio",
369 	.id		= 0,
370 	.num_resources	= ARRAY_SIZE(dm644x_mdio_resources),
371 	.resource	= dm644x_mdio_resources,
372 };
373 
374 /*
375  * Device specific mux setup
376  *
377  *	soc	description	mux  mode   mode  mux	 dbg
378  *				reg  offset mask  mode
379  */
380 static const struct mux_config dm644x_pins[] = {
381 #ifdef CONFIG_DAVINCI_MUX
382 MUX_CFG(DM644X, HDIREN,		0,   16,    1,	  1,	 true)
383 MUX_CFG(DM644X, ATAEN,		0,   17,    1,	  1,	 true)
384 MUX_CFG(DM644X, ATAEN_DISABLE,	0,   17,    1,	  0,	 true)
385 
386 MUX_CFG(DM644X, HPIEN_DISABLE,	0,   29,    1,	  0,	 true)
387 
388 MUX_CFG(DM644X, AEAW,		0,   0,     31,	  31,	 true)
389 MUX_CFG(DM644X, AEAW0,		0,   0,     1,	  0,	 true)
390 MUX_CFG(DM644X, AEAW1,		0,   1,     1,	  0,	 true)
391 MUX_CFG(DM644X, AEAW2,		0,   2,     1,	  0,	 true)
392 MUX_CFG(DM644X, AEAW3,		0,   3,     1,	  0,	 true)
393 MUX_CFG(DM644X, AEAW4,		0,   4,     1,	  0,	 true)
394 
395 MUX_CFG(DM644X, MSTK,		1,   9,     1,	  0,	 false)
396 
397 MUX_CFG(DM644X, I2C,		1,   7,     1,	  1,	 false)
398 
399 MUX_CFG(DM644X, MCBSP,		1,   10,    1,	  1,	 false)
400 
401 MUX_CFG(DM644X, UART1,		1,   1,     1,	  1,	 true)
402 MUX_CFG(DM644X, UART2,		1,   2,     1,	  1,	 true)
403 
404 MUX_CFG(DM644X, PWM0,		1,   4,     1,	  1,	 false)
405 
406 MUX_CFG(DM644X, PWM1,		1,   5,     1,	  1,	 false)
407 
408 MUX_CFG(DM644X, PWM2,		1,   6,     1,	  1,	 false)
409 
410 MUX_CFG(DM644X, VLYNQEN,	0,   15,    1,	  1,	 false)
411 MUX_CFG(DM644X, VLSCREN,	0,   14,    1,	  1,	 false)
412 MUX_CFG(DM644X, VLYNQWD,	0,   12,    3,	  3,	 false)
413 
414 MUX_CFG(DM644X, EMACEN,		0,   31,    1,	  1,	 true)
415 
416 MUX_CFG(DM644X, GPIO3V,		0,   31,    1,	  0,	 true)
417 
418 MUX_CFG(DM644X, GPIO0,		0,   24,    1,	  0,	 true)
419 MUX_CFG(DM644X, GPIO3,		0,   25,    1,	  0,	 false)
420 MUX_CFG(DM644X, GPIO43_44,	1,   7,     1,	  0,	 false)
421 MUX_CFG(DM644X, GPIO46_47,	0,   22,    1,	  0,	 true)
422 
423 MUX_CFG(DM644X, RGB666,		0,   22,    1,	  1,	 true)
424 
425 MUX_CFG(DM644X, LOEEN,		0,   24,    1,	  1,	 true)
426 MUX_CFG(DM644X, LFLDEN,		0,   25,    1,	  1,	 false)
427 #endif
428 };
429 
430 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
431 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
432 	[IRQ_VDINT0]		= 2,
433 	[IRQ_VDINT1]		= 6,
434 	[IRQ_VDINT2]		= 6,
435 	[IRQ_HISTINT]		= 6,
436 	[IRQ_H3AINT]		= 6,
437 	[IRQ_PRVUINT]		= 6,
438 	[IRQ_RSZINT]		= 6,
439 	[7]			= 7,
440 	[IRQ_VENCINT]		= 6,
441 	[IRQ_ASQINT]		= 6,
442 	[IRQ_IMXINT]		= 6,
443 	[IRQ_VLCDINT]		= 6,
444 	[IRQ_USBINT]		= 4,
445 	[IRQ_EMACINT]		= 4,
446 	[14]			= 7,
447 	[15]			= 7,
448 	[IRQ_CCINT0]		= 5,	/* dma */
449 	[IRQ_CCERRINT]		= 5,	/* dma */
450 	[IRQ_TCERRINT0]		= 5,	/* dma */
451 	[IRQ_TCERRINT]		= 5,	/* dma */
452 	[IRQ_PSCIN]		= 7,
453 	[21]			= 7,
454 	[IRQ_IDE]		= 4,
455 	[23]			= 7,
456 	[IRQ_MBXINT]		= 7,
457 	[IRQ_MBRINT]		= 7,
458 	[IRQ_MMCINT]		= 7,
459 	[IRQ_SDIOINT]		= 7,
460 	[28]			= 7,
461 	[IRQ_DDRINT]		= 7,
462 	[IRQ_AEMIFINT]		= 7,
463 	[IRQ_VLQINT]		= 4,
464 	[IRQ_TINT0_TINT12]	= 2,	/* clockevent */
465 	[IRQ_TINT0_TINT34]	= 2,	/* clocksource */
466 	[IRQ_TINT1_TINT12]	= 7,	/* DSP timer */
467 	[IRQ_TINT1_TINT34]	= 7,	/* system tick */
468 	[IRQ_PWMINT0]		= 7,
469 	[IRQ_PWMINT1]		= 7,
470 	[IRQ_PWMINT2]		= 7,
471 	[IRQ_I2C]		= 3,
472 	[IRQ_UARTINT0]		= 3,
473 	[IRQ_UARTINT1]		= 3,
474 	[IRQ_UARTINT2]		= 3,
475 	[IRQ_SPINT0]		= 3,
476 	[IRQ_SPINT1]		= 3,
477 	[45]			= 7,
478 	[IRQ_DSP2ARM0]		= 4,
479 	[IRQ_DSP2ARM1]		= 4,
480 	[IRQ_GPIO0]		= 7,
481 	[IRQ_GPIO1]		= 7,
482 	[IRQ_GPIO2]		= 7,
483 	[IRQ_GPIO3]		= 7,
484 	[IRQ_GPIO4]		= 7,
485 	[IRQ_GPIO5]		= 7,
486 	[IRQ_GPIO6]		= 7,
487 	[IRQ_GPIO7]		= 7,
488 	[IRQ_GPIOBNK0]		= 7,
489 	[IRQ_GPIOBNK1]		= 7,
490 	[IRQ_GPIOBNK2]		= 7,
491 	[IRQ_GPIOBNK3]		= 7,
492 	[IRQ_GPIOBNK4]		= 7,
493 	[IRQ_COMMTX]		= 7,
494 	[IRQ_COMMRX]		= 7,
495 	[IRQ_EMUINT]		= 7,
496 };
497 
498 /*----------------------------------------------------------------------*/
499 
500 static const s8
501 queue_tc_mapping[][2] = {
502 	/* {event queue no, TC no} */
503 	{0, 0},
504 	{1, 1},
505 	{-1, -1},
506 };
507 
508 static const s8
509 queue_priority_mapping[][2] = {
510 	/* {event queue no, Priority} */
511 	{0, 3},
512 	{1, 7},
513 	{-1, -1},
514 };
515 
516 static struct edma_soc_info edma_cc0_info = {
517 	.n_channel		= 64,
518 	.n_region		= 4,
519 	.n_slot			= 128,
520 	.n_tc			= 2,
521 	.n_cc			= 1,
522 	.queue_tc_mapping	= queue_tc_mapping,
523 	.queue_priority_mapping	= queue_priority_mapping,
524 	.default_queue		= EVENTQ_1,
525 };
526 
527 static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
528 	&edma_cc0_info,
529 };
530 
531 static struct resource edma_resources[] = {
532 	{
533 		.name	= "edma_cc0",
534 		.start	= 0x01c00000,
535 		.end	= 0x01c00000 + SZ_64K - 1,
536 		.flags	= IORESOURCE_MEM,
537 	},
538 	{
539 		.name	= "edma_tc0",
540 		.start	= 0x01c10000,
541 		.end	= 0x01c10000 + SZ_1K - 1,
542 		.flags	= IORESOURCE_MEM,
543 	},
544 	{
545 		.name	= "edma_tc1",
546 		.start	= 0x01c10400,
547 		.end	= 0x01c10400 + SZ_1K - 1,
548 		.flags	= IORESOURCE_MEM,
549 	},
550 	{
551 		.name	= "edma0",
552 		.start	= IRQ_CCINT0,
553 		.flags	= IORESOURCE_IRQ,
554 	},
555 	{
556 		.name	= "edma0_err",
557 		.start	= IRQ_CCERRINT,
558 		.flags	= IORESOURCE_IRQ,
559 	},
560 	/* not using TC*_ERR */
561 };
562 
563 static struct platform_device dm644x_edma_device = {
564 	.name			= "edma",
565 	.id			= 0,
566 	.dev.platform_data	= dm644x_edma_info,
567 	.num_resources		= ARRAY_SIZE(edma_resources),
568 	.resource		= edma_resources,
569 };
570 
571 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
572 static struct resource dm644x_asp_resources[] = {
573 	{
574 		.start	= DAVINCI_ASP0_BASE,
575 		.end	= DAVINCI_ASP0_BASE + SZ_8K - 1,
576 		.flags	= IORESOURCE_MEM,
577 	},
578 	{
579 		.start	= DAVINCI_DMA_ASP0_TX,
580 		.end	= DAVINCI_DMA_ASP0_TX,
581 		.flags	= IORESOURCE_DMA,
582 	},
583 	{
584 		.start	= DAVINCI_DMA_ASP0_RX,
585 		.end	= DAVINCI_DMA_ASP0_RX,
586 		.flags	= IORESOURCE_DMA,
587 	},
588 };
589 
590 static struct platform_device dm644x_asp_device = {
591 	.name		= "davinci-mcbsp",
592 	.id		= -1,
593 	.num_resources	= ARRAY_SIZE(dm644x_asp_resources),
594 	.resource	= dm644x_asp_resources,
595 };
596 
597 #define DM644X_VPSS_BASE	0x01c73400
598 
599 static struct resource dm644x_vpss_resources[] = {
600 	{
601 		/* VPSS Base address */
602 		.name		= "vpss",
603 		.start		= DM644X_VPSS_BASE,
604 		.end		= DM644X_VPSS_BASE + 0xff,
605 		.flags		= IORESOURCE_MEM,
606 	},
607 };
608 
609 static struct platform_device dm644x_vpss_device = {
610 	.name			= "vpss",
611 	.id			= -1,
612 	.dev.platform_data	= "dm644x_vpss",
613 	.num_resources		= ARRAY_SIZE(dm644x_vpss_resources),
614 	.resource		= dm644x_vpss_resources,
615 };
616 
617 static struct resource dm644x_vpfe_resources[] = {
618 	{
619 		.start          = IRQ_VDINT0,
620 		.end            = IRQ_VDINT0,
621 		.flags          = IORESOURCE_IRQ,
622 	},
623 	{
624 		.start          = IRQ_VDINT1,
625 		.end            = IRQ_VDINT1,
626 		.flags          = IORESOURCE_IRQ,
627 	},
628 };
629 
630 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
631 static struct resource dm644x_ccdc_resource[] = {
632 	/* CCDC Base address */
633 	{
634 		.start          = 0x01c70400,
635 		.end            = 0x01c70400 + 0xff,
636 		.flags          = IORESOURCE_MEM,
637 	},
638 };
639 
640 static struct platform_device dm644x_ccdc_dev = {
641 	.name           = "dm644x_ccdc",
642 	.id             = -1,
643 	.num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
644 	.resource       = dm644x_ccdc_resource,
645 	.dev = {
646 		.dma_mask               = &dm644x_video_dma_mask,
647 		.coherent_dma_mask      = DMA_BIT_MASK(32),
648 	},
649 };
650 
651 static struct platform_device dm644x_vpfe_dev = {
652 	.name		= CAPTURE_DRV_NAME,
653 	.id		= -1,
654 	.num_resources	= ARRAY_SIZE(dm644x_vpfe_resources),
655 	.resource	= dm644x_vpfe_resources,
656 	.dev = {
657 		.dma_mask		= &dm644x_video_dma_mask,
658 		.coherent_dma_mask	= DMA_BIT_MASK(32),
659 	},
660 };
661 
662 #define DM644X_OSD_BASE		0x01c72600
663 
664 static struct resource dm644x_osd_resources[] = {
665 	{
666 		.start	= DM644X_OSD_BASE,
667 		.end	= DM644X_OSD_BASE + 0x1ff,
668 		.flags	= IORESOURCE_MEM,
669 	},
670 };
671 
672 static struct osd_platform_data dm644x_osd_data = {
673 	.vpbe_type     = VPBE_VERSION_1,
674 };
675 
676 static struct platform_device dm644x_osd_dev = {
677 	.name		= VPBE_OSD_SUBDEV_NAME,
678 	.id		= -1,
679 	.num_resources	= ARRAY_SIZE(dm644x_osd_resources),
680 	.resource	= dm644x_osd_resources,
681 	.dev		= {
682 		.dma_mask		= &dm644x_video_dma_mask,
683 		.coherent_dma_mask	= DMA_BIT_MASK(32),
684 		.platform_data		= &dm644x_osd_data,
685 	},
686 };
687 
688 #define DM644X_VENC_BASE		0x01c72400
689 
690 static struct resource dm644x_venc_resources[] = {
691 	{
692 		.start	= DM644X_VENC_BASE,
693 		.end	= DM644X_VENC_BASE + 0x17f,
694 		.flags	= IORESOURCE_MEM,
695 	},
696 };
697 
698 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
699 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
700 #define DM644X_VPSS_VENCLKEN                  BIT(3)
701 #define DM644X_VPSS_DACCLKEN                  BIT(4)
702 
dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,unsigned int mode)703 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
704 				   unsigned int mode)
705 {
706 	int ret = 0;
707 	u32 v = DM644X_VPSS_VENCLKEN;
708 
709 	switch (type) {
710 	case VPBE_ENC_STD:
711 		v |= DM644X_VPSS_DACCLKEN;
712 		writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
713 		break;
714 	case VPBE_ENC_DV_PRESET:
715 		switch (mode) {
716 		case V4L2_DV_480P59_94:
717 		case V4L2_DV_576P50:
718 			v |= DM644X_VPSS_MUXSEL_PLL2_MODE |
719 			     DM644X_VPSS_DACCLKEN;
720 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
721 			break;
722 		case V4L2_DV_720P60:
723 		case V4L2_DV_1080I60:
724 		case V4L2_DV_1080P30:
725 			/*
726 			 * For HD, use external clock source since
727 			 * HD requires higher clock rate
728 			 */
729 			v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
730 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
731 			break;
732 		default:
733 			ret = -EINVAL;
734 			break;
735 		}
736 		break;
737 	default:
738 		ret  = -EINVAL;
739 	}
740 
741 	return ret;
742 }
743 
744 static struct resource dm644x_v4l2_disp_resources[] = {
745 	{
746 		.start	= IRQ_VENCINT,
747 		.end	= IRQ_VENCINT,
748 		.flags	= IORESOURCE_IRQ,
749 	},
750 };
751 
752 static struct platform_device dm644x_vpbe_display = {
753 	.name		= "vpbe-v4l2",
754 	.id		= -1,
755 	.num_resources	= ARRAY_SIZE(dm644x_v4l2_disp_resources),
756 	.resource	= dm644x_v4l2_disp_resources,
757 	.dev		= {
758 		.dma_mask		= &dm644x_video_dma_mask,
759 		.coherent_dma_mask	= DMA_BIT_MASK(32),
760 	},
761 };
762 
763 static struct venc_platform_data dm644x_venc_pdata = {
764 	.venc_type	= VPBE_VERSION_1,
765 	.setup_clock	= dm644x_venc_setup_clock,
766 };
767 
768 static struct platform_device dm644x_venc_dev = {
769 	.name		= VPBE_VENC_SUBDEV_NAME,
770 	.id		= -1,
771 	.num_resources	= ARRAY_SIZE(dm644x_venc_resources),
772 	.resource	= dm644x_venc_resources,
773 	.dev		= {
774 		.dma_mask		= &dm644x_video_dma_mask,
775 		.coherent_dma_mask	= DMA_BIT_MASK(32),
776 		.platform_data		= &dm644x_venc_pdata,
777 	},
778 };
779 
780 static struct platform_device dm644x_vpbe_dev = {
781 	.name		= "vpbe_controller",
782 	.id		= -1,
783 	.dev		= {
784 		.dma_mask		= &dm644x_video_dma_mask,
785 		.coherent_dma_mask	= DMA_BIT_MASK(32),
786 	},
787 };
788 
789 /*----------------------------------------------------------------------*/
790 
791 static struct map_desc dm644x_io_desc[] = {
792 	{
793 		.virtual	= IO_VIRT,
794 		.pfn		= __phys_to_pfn(IO_PHYS),
795 		.length		= IO_SIZE,
796 		.type		= MT_DEVICE
797 	},
798 	{
799 		.virtual	= SRAM_VIRT,
800 		.pfn		= __phys_to_pfn(0x00008000),
801 		.length		= SZ_16K,
802 		.type		= MT_MEMORY_NONCACHED,
803 	},
804 };
805 
806 /* Contents of JTAG ID register used to identify exact cpu type */
807 static struct davinci_id dm644x_ids[] = {
808 	{
809 		.variant	= 0x0,
810 		.part_no	= 0xb700,
811 		.manufacturer	= 0x017,
812 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
813 		.name		= "dm6446",
814 	},
815 	{
816 		.variant	= 0x1,
817 		.part_no	= 0xb700,
818 		.manufacturer	= 0x017,
819 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
820 		.name		= "dm6446a",
821 	},
822 };
823 
824 static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
825 
826 /*
827  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
828  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
829  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
830  * T1_TOP: Timer 1, top   :  <unused>
831  */
832 static struct davinci_timer_info dm644x_timer_info = {
833 	.timers		= davinci_timer_instance,
834 	.clockevent_id	= T0_BOT,
835 	.clocksource_id	= T0_TOP,
836 };
837 
838 static struct plat_serial8250_port dm644x_serial_platform_data[] = {
839 	{
840 		.mapbase	= DAVINCI_UART0_BASE,
841 		.irq		= IRQ_UARTINT0,
842 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
843 				  UPF_IOREMAP,
844 		.iotype		= UPIO_MEM,
845 		.regshift	= 2,
846 	},
847 	{
848 		.mapbase	= DAVINCI_UART1_BASE,
849 		.irq		= IRQ_UARTINT1,
850 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
851 				  UPF_IOREMAP,
852 		.iotype		= UPIO_MEM,
853 		.regshift	= 2,
854 	},
855 	{
856 		.mapbase	= DAVINCI_UART2_BASE,
857 		.irq		= IRQ_UARTINT2,
858 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
859 				  UPF_IOREMAP,
860 		.iotype		= UPIO_MEM,
861 		.regshift	= 2,
862 	},
863 	{
864 		.flags		= 0
865 	},
866 };
867 
868 static struct platform_device dm644x_serial_device = {
869 	.name			= "serial8250",
870 	.id			= PLAT8250_DEV_PLATFORM,
871 	.dev			= {
872 		.platform_data	= dm644x_serial_platform_data,
873 	},
874 };
875 
876 static struct davinci_soc_info davinci_soc_info_dm644x = {
877 	.io_desc		= dm644x_io_desc,
878 	.io_desc_num		= ARRAY_SIZE(dm644x_io_desc),
879 	.jtag_id_reg		= 0x01c40028,
880 	.ids			= dm644x_ids,
881 	.ids_num		= ARRAY_SIZE(dm644x_ids),
882 	.cpu_clks		= dm644x_clks,
883 	.psc_bases		= dm644x_psc_bases,
884 	.psc_bases_num		= ARRAY_SIZE(dm644x_psc_bases),
885 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
886 	.pinmux_pins		= dm644x_pins,
887 	.pinmux_pins_num	= ARRAY_SIZE(dm644x_pins),
888 	.intc_base		= DAVINCI_ARM_INTC_BASE,
889 	.intc_type		= DAVINCI_INTC_TYPE_AINTC,
890 	.intc_irq_prios 	= dm644x_default_priorities,
891 	.intc_irq_num		= DAVINCI_N_AINTC_IRQ,
892 	.timer_info		= &dm644x_timer_info,
893 	.gpio_type		= GPIO_TYPE_DAVINCI,
894 	.gpio_base		= DAVINCI_GPIO_BASE,
895 	.gpio_num		= 71,
896 	.gpio_irq		= IRQ_GPIOBNK0,
897 	.serial_dev		= &dm644x_serial_device,
898 	.emac_pdata		= &dm644x_emac_pdata,
899 	.sram_dma		= 0x00008000,
900 	.sram_len		= SZ_16K,
901 };
902 
dm644x_init_asp(struct snd_platform_data * pdata)903 void __init dm644x_init_asp(struct snd_platform_data *pdata)
904 {
905 	davinci_cfg_reg(DM644X_MCBSP);
906 	dm644x_asp_device.dev.platform_data = pdata;
907 	platform_device_register(&dm644x_asp_device);
908 }
909 
dm644x_init(void)910 void __init dm644x_init(void)
911 {
912 	davinci_common_init(&davinci_soc_info_dm644x);
913 	davinci_map_sysmod();
914 }
915 
dm644x_init_video(struct vpfe_config * vpfe_cfg,struct vpbe_config * vpbe_cfg)916 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
917 				struct vpbe_config *vpbe_cfg)
918 {
919 	if (vpfe_cfg || vpbe_cfg)
920 		platform_device_register(&dm644x_vpss_device);
921 
922 	if (vpfe_cfg) {
923 		dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
924 		platform_device_register(&dm644x_ccdc_dev);
925 		platform_device_register(&dm644x_vpfe_dev);
926 		/* Add ccdc clock aliases */
927 		clk_add_alias("master", dm644x_ccdc_dev.name,
928 			      "vpss_master", NULL);
929 		clk_add_alias("slave", dm644x_ccdc_dev.name,
930 			      "vpss_slave", NULL);
931 	}
932 
933 	if (vpbe_cfg) {
934 		dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
935 		platform_device_register(&dm644x_osd_dev);
936 		platform_device_register(&dm644x_venc_dev);
937 		platform_device_register(&dm644x_vpbe_dev);
938 		platform_device_register(&dm644x_vpbe_display);
939 	}
940 
941 	return 0;
942 }
943 
dm644x_init_devices(void)944 static int __init dm644x_init_devices(void)
945 {
946 	if (!cpu_is_davinci_dm644x())
947 		return 0;
948 
949 	platform_device_register(&dm644x_edma_device);
950 
951 	platform_device_register(&dm644x_mdio_device);
952 	platform_device_register(&dm644x_emac_device);
953 	clk_add_alias(NULL, dev_name(&dm644x_mdio_device.dev),
954 		      NULL, &dm644x_emac_device.dev);
955 
956 	return 0;
957 }
958 postcore_initcall(dm644x_init_devices);
959