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 
12 #include <linux/clk-provider.h>
13 #include <linux/clk/davinci.h>
14 #include <linux/clkdev.h>
15 #include <linux/dmaengine.h>
16 #include <linux/init.h>
17 #include <linux/io.h>
18 #include <linux/irqchip/irq-davinci-aintc.h>
19 #include <linux/platform_data/edma.h>
20 #include <linux/platform_data/gpio-davinci.h>
21 #include <linux/platform_device.h>
22 #include <linux/serial_8250.h>
23 
24 #include <asm/mach/map.h>
25 
26 #include <mach/common.h>
27 #include <mach/cputype.h>
28 #include <mach/mux.h>
29 #include <mach/serial.h>
30 
31 #include <clocksource/timer-davinci.h>
32 
33 #include "asp.h"
34 #include "davinci.h"
35 #include "irqs.h"
36 #include "mux.h"
37 
38 /*
39  * Device specific clocks
40  */
41 #define DM644X_REF_FREQ		27000000
42 
43 #define DM644X_EMAC_BASE		0x01c80000
44 #define DM644X_EMAC_MDIO_BASE		(DM644X_EMAC_BASE + 0x4000)
45 #define DM644X_EMAC_CNTRL_OFFSET	0x0000
46 #define DM644X_EMAC_CNTRL_MOD_OFFSET	0x1000
47 #define DM644X_EMAC_CNTRL_RAM_OFFSET	0x2000
48 #define DM644X_EMAC_CNTRL_RAM_SIZE	0x2000
49 
50 static struct emac_platform_data dm644x_emac_pdata = {
51 	.ctrl_reg_offset	= DM644X_EMAC_CNTRL_OFFSET,
52 	.ctrl_mod_reg_offset	= DM644X_EMAC_CNTRL_MOD_OFFSET,
53 	.ctrl_ram_offset	= DM644X_EMAC_CNTRL_RAM_OFFSET,
54 	.ctrl_ram_size		= DM644X_EMAC_CNTRL_RAM_SIZE,
55 	.version		= EMAC_VERSION_1,
56 };
57 
58 static struct resource dm644x_emac_resources[] = {
59 	{
60 		.start	= DM644X_EMAC_BASE,
61 		.end	= DM644X_EMAC_BASE + SZ_16K - 1,
62 		.flags	= IORESOURCE_MEM,
63 	},
64 	{
65 		.start = DAVINCI_INTC_IRQ(IRQ_EMACINT),
66 		.end   = DAVINCI_INTC_IRQ(IRQ_EMACINT),
67 		.flags = IORESOURCE_IRQ,
68 	},
69 };
70 
71 static struct platform_device dm644x_emac_device = {
72        .name		= "davinci_emac",
73        .id		= 1,
74        .dev = {
75 	       .platform_data	= &dm644x_emac_pdata,
76        },
77        .num_resources	= ARRAY_SIZE(dm644x_emac_resources),
78        .resource	= dm644x_emac_resources,
79 };
80 
81 static struct resource dm644x_mdio_resources[] = {
82 	{
83 		.start	= DM644X_EMAC_MDIO_BASE,
84 		.end	= DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
85 		.flags	= IORESOURCE_MEM,
86 	},
87 };
88 
89 static struct platform_device dm644x_mdio_device = {
90 	.name		= "davinci_mdio",
91 	.id		= 0,
92 	.num_resources	= ARRAY_SIZE(dm644x_mdio_resources),
93 	.resource	= dm644x_mdio_resources,
94 };
95 
96 /*
97  * Device specific mux setup
98  *
99  *	soc	description	mux  mode   mode  mux	 dbg
100  *				reg  offset mask  mode
101  */
102 static const struct mux_config dm644x_pins[] = {
103 #ifdef CONFIG_DAVINCI_MUX
104 MUX_CFG(DM644X, HDIREN,		0,   16,    1,	  1,	 true)
105 MUX_CFG(DM644X, ATAEN,		0,   17,    1,	  1,	 true)
106 MUX_CFG(DM644X, ATAEN_DISABLE,	0,   17,    1,	  0,	 true)
107 
108 MUX_CFG(DM644X, HPIEN_DISABLE,	0,   29,    1,	  0,	 true)
109 
110 MUX_CFG(DM644X, AEAW,		0,   0,     31,	  31,	 true)
111 MUX_CFG(DM644X, AEAW0,		0,   0,     1,	  0,	 true)
112 MUX_CFG(DM644X, AEAW1,		0,   1,     1,	  0,	 true)
113 MUX_CFG(DM644X, AEAW2,		0,   2,     1,	  0,	 true)
114 MUX_CFG(DM644X, AEAW3,		0,   3,     1,	  0,	 true)
115 MUX_CFG(DM644X, AEAW4,		0,   4,     1,	  0,	 true)
116 
117 MUX_CFG(DM644X, MSTK,		1,   9,     1,	  0,	 false)
118 
119 MUX_CFG(DM644X, I2C,		1,   7,     1,	  1,	 false)
120 
121 MUX_CFG(DM644X, MCBSP,		1,   10,    1,	  1,	 false)
122 
123 MUX_CFG(DM644X, UART1,		1,   1,     1,	  1,	 true)
124 MUX_CFG(DM644X, UART2,		1,   2,     1,	  1,	 true)
125 
126 MUX_CFG(DM644X, PWM0,		1,   4,     1,	  1,	 false)
127 
128 MUX_CFG(DM644X, PWM1,		1,   5,     1,	  1,	 false)
129 
130 MUX_CFG(DM644X, PWM2,		1,   6,     1,	  1,	 false)
131 
132 MUX_CFG(DM644X, VLYNQEN,	0,   15,    1,	  1,	 false)
133 MUX_CFG(DM644X, VLSCREN,	0,   14,    1,	  1,	 false)
134 MUX_CFG(DM644X, VLYNQWD,	0,   12,    3,	  3,	 false)
135 
136 MUX_CFG(DM644X, EMACEN,		0,   31,    1,	  1,	 true)
137 
138 MUX_CFG(DM644X, GPIO3V,		0,   31,    1,	  0,	 true)
139 
140 MUX_CFG(DM644X, GPIO0,		0,   24,    1,	  0,	 true)
141 MUX_CFG(DM644X, GPIO3,		0,   25,    1,	  0,	 false)
142 MUX_CFG(DM644X, GPIO43_44,	1,   7,     1,	  0,	 false)
143 MUX_CFG(DM644X, GPIO46_47,	0,   22,    1,	  0,	 true)
144 
145 MUX_CFG(DM644X, RGB666,		0,   22,    1,	  1,	 true)
146 
147 MUX_CFG(DM644X, LOEEN,		0,   24,    1,	  1,	 true)
148 MUX_CFG(DM644X, LFLDEN,		0,   25,    1,	  1,	 false)
149 #endif
150 };
151 
152 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
153 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
154 	[IRQ_VDINT0]		= 2,
155 	[IRQ_VDINT1]		= 6,
156 	[IRQ_VDINT2]		= 6,
157 	[IRQ_HISTINT]		= 6,
158 	[IRQ_H3AINT]		= 6,
159 	[IRQ_PRVUINT]		= 6,
160 	[IRQ_RSZINT]		= 6,
161 	[7]			= 7,
162 	[IRQ_VENCINT]		= 6,
163 	[IRQ_ASQINT]		= 6,
164 	[IRQ_IMXINT]		= 6,
165 	[IRQ_VLCDINT]		= 6,
166 	[IRQ_USBINT]		= 4,
167 	[IRQ_EMACINT]		= 4,
168 	[14]			= 7,
169 	[15]			= 7,
170 	[IRQ_CCINT0]		= 5,	/* dma */
171 	[IRQ_CCERRINT]		= 5,	/* dma */
172 	[IRQ_TCERRINT0]		= 5,	/* dma */
173 	[IRQ_TCERRINT]		= 5,	/* dma */
174 	[IRQ_PSCIN]		= 7,
175 	[21]			= 7,
176 	[IRQ_IDE]		= 4,
177 	[23]			= 7,
178 	[IRQ_MBXINT]		= 7,
179 	[IRQ_MBRINT]		= 7,
180 	[IRQ_MMCINT]		= 7,
181 	[IRQ_SDIOINT]		= 7,
182 	[28]			= 7,
183 	[IRQ_DDRINT]		= 7,
184 	[IRQ_AEMIFINT]		= 7,
185 	[IRQ_VLQINT]		= 4,
186 	[IRQ_TINT0_TINT12]	= 2,	/* clockevent */
187 	[IRQ_TINT0_TINT34]	= 2,	/* clocksource */
188 	[IRQ_TINT1_TINT12]	= 7,	/* DSP timer */
189 	[IRQ_TINT1_TINT34]	= 7,	/* system tick */
190 	[IRQ_PWMINT0]		= 7,
191 	[IRQ_PWMINT1]		= 7,
192 	[IRQ_PWMINT2]		= 7,
193 	[IRQ_I2C]		= 3,
194 	[IRQ_UARTINT0]		= 3,
195 	[IRQ_UARTINT1]		= 3,
196 	[IRQ_UARTINT2]		= 3,
197 	[IRQ_SPINT0]		= 3,
198 	[IRQ_SPINT1]		= 3,
199 	[45]			= 7,
200 	[IRQ_DSP2ARM0]		= 4,
201 	[IRQ_DSP2ARM1]		= 4,
202 	[IRQ_GPIO0]		= 7,
203 	[IRQ_GPIO1]		= 7,
204 	[IRQ_GPIO2]		= 7,
205 	[IRQ_GPIO3]		= 7,
206 	[IRQ_GPIO4]		= 7,
207 	[IRQ_GPIO5]		= 7,
208 	[IRQ_GPIO6]		= 7,
209 	[IRQ_GPIO7]		= 7,
210 	[IRQ_GPIOBNK0]		= 7,
211 	[IRQ_GPIOBNK1]		= 7,
212 	[IRQ_GPIOBNK2]		= 7,
213 	[IRQ_GPIOBNK3]		= 7,
214 	[IRQ_GPIOBNK4]		= 7,
215 	[IRQ_COMMTX]		= 7,
216 	[IRQ_COMMRX]		= 7,
217 	[IRQ_EMUINT]		= 7,
218 };
219 
220 /*----------------------------------------------------------------------*/
221 
222 static s8 queue_priority_mapping[][2] = {
223 	/* {event queue no, Priority} */
224 	{0, 3},
225 	{1, 7},
226 	{-1, -1},
227 };
228 
229 static const struct dma_slave_map dm644x_edma_map[] = {
230 	{ "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
231 	{ "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
232 	{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
233 	{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
234 	{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
235 	{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
236 };
237 
238 static struct edma_soc_info dm644x_edma_pdata = {
239 	.queue_priority_mapping	= queue_priority_mapping,
240 	.default_queue		= EVENTQ_1,
241 	.slave_map		= dm644x_edma_map,
242 	.slavecnt		= ARRAY_SIZE(dm644x_edma_map),
243 };
244 
245 static struct resource edma_resources[] = {
246 	{
247 		.name	= "edma3_cc",
248 		.start	= 0x01c00000,
249 		.end	= 0x01c00000 + SZ_64K - 1,
250 		.flags	= IORESOURCE_MEM,
251 	},
252 	{
253 		.name	= "edma3_tc0",
254 		.start	= 0x01c10000,
255 		.end	= 0x01c10000 + SZ_1K - 1,
256 		.flags	= IORESOURCE_MEM,
257 	},
258 	{
259 		.name	= "edma3_tc1",
260 		.start	= 0x01c10400,
261 		.end	= 0x01c10400 + SZ_1K - 1,
262 		.flags	= IORESOURCE_MEM,
263 	},
264 	{
265 		.name	= "edma3_ccint",
266 		.start	= DAVINCI_INTC_IRQ(IRQ_CCINT0),
267 		.flags	= IORESOURCE_IRQ,
268 	},
269 	{
270 		.name	= "edma3_ccerrint",
271 		.start	= DAVINCI_INTC_IRQ(IRQ_CCERRINT),
272 		.flags	= IORESOURCE_IRQ,
273 	},
274 	/* not using TC*_ERR */
275 };
276 
277 static const struct platform_device_info dm644x_edma_device __initconst = {
278 	.name		= "edma",
279 	.id		= 0,
280 	.dma_mask	= DMA_BIT_MASK(32),
281 	.res		= edma_resources,
282 	.num_res	= ARRAY_SIZE(edma_resources),
283 	.data		= &dm644x_edma_pdata,
284 	.size_data	= sizeof(dm644x_edma_pdata),
285 };
286 
287 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
288 static struct resource dm644x_asp_resources[] = {
289 	{
290 		.name	= "mpu",
291 		.start	= DAVINCI_ASP0_BASE,
292 		.end	= DAVINCI_ASP0_BASE + SZ_8K - 1,
293 		.flags	= IORESOURCE_MEM,
294 	},
295 	{
296 		.start	= DAVINCI_DMA_ASP0_TX,
297 		.end	= DAVINCI_DMA_ASP0_TX,
298 		.flags	= IORESOURCE_DMA,
299 	},
300 	{
301 		.start	= DAVINCI_DMA_ASP0_RX,
302 		.end	= DAVINCI_DMA_ASP0_RX,
303 		.flags	= IORESOURCE_DMA,
304 	},
305 };
306 
307 static struct platform_device dm644x_asp_device = {
308 	.name		= "davinci-mcbsp",
309 	.id		= -1,
310 	.num_resources	= ARRAY_SIZE(dm644x_asp_resources),
311 	.resource	= dm644x_asp_resources,
312 };
313 
314 #define DM644X_VPSS_BASE	0x01c73400
315 
316 static struct resource dm644x_vpss_resources[] = {
317 	{
318 		/* VPSS Base address */
319 		.name		= "vpss",
320 		.start		= DM644X_VPSS_BASE,
321 		.end		= DM644X_VPSS_BASE + 0xff,
322 		.flags		= IORESOURCE_MEM,
323 	},
324 };
325 
326 static struct platform_device dm644x_vpss_device = {
327 	.name			= "vpss",
328 	.id			= -1,
329 	.dev.platform_data	= "dm644x_vpss",
330 	.num_resources		= ARRAY_SIZE(dm644x_vpss_resources),
331 	.resource		= dm644x_vpss_resources,
332 };
333 
334 static struct resource dm644x_vpfe_resources[] = {
335 	{
336 		.start          = DAVINCI_INTC_IRQ(IRQ_VDINT0),
337 		.end            = DAVINCI_INTC_IRQ(IRQ_VDINT0),
338 		.flags          = IORESOURCE_IRQ,
339 	},
340 	{
341 		.start          = DAVINCI_INTC_IRQ(IRQ_VDINT1),
342 		.end            = DAVINCI_INTC_IRQ(IRQ_VDINT1),
343 		.flags          = IORESOURCE_IRQ,
344 	},
345 };
346 
347 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
348 static struct resource dm644x_ccdc_resource[] = {
349 	/* CCDC Base address */
350 	{
351 		.start          = 0x01c70400,
352 		.end            = 0x01c70400 + 0xff,
353 		.flags          = IORESOURCE_MEM,
354 	},
355 };
356 
357 static struct platform_device dm644x_ccdc_dev = {
358 	.name           = "dm644x_ccdc",
359 	.id             = -1,
360 	.num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
361 	.resource       = dm644x_ccdc_resource,
362 	.dev = {
363 		.dma_mask               = &dm644x_video_dma_mask,
364 		.coherent_dma_mask      = DMA_BIT_MASK(32),
365 	},
366 };
367 
368 static struct platform_device dm644x_vpfe_dev = {
369 	.name		= CAPTURE_DRV_NAME,
370 	.id		= -1,
371 	.num_resources	= ARRAY_SIZE(dm644x_vpfe_resources),
372 	.resource	= dm644x_vpfe_resources,
373 	.dev = {
374 		.dma_mask		= &dm644x_video_dma_mask,
375 		.coherent_dma_mask	= DMA_BIT_MASK(32),
376 	},
377 };
378 
379 #define DM644X_OSD_BASE		0x01c72600
380 
381 static struct resource dm644x_osd_resources[] = {
382 	{
383 		.start	= DM644X_OSD_BASE,
384 		.end	= DM644X_OSD_BASE + 0x1ff,
385 		.flags	= IORESOURCE_MEM,
386 	},
387 };
388 
389 static struct platform_device dm644x_osd_dev = {
390 	.name		= DM644X_VPBE_OSD_SUBDEV_NAME,
391 	.id		= -1,
392 	.num_resources	= ARRAY_SIZE(dm644x_osd_resources),
393 	.resource	= dm644x_osd_resources,
394 	.dev		= {
395 		.dma_mask		= &dm644x_video_dma_mask,
396 		.coherent_dma_mask	= DMA_BIT_MASK(32),
397 	},
398 };
399 
400 #define DM644X_VENC_BASE		0x01c72400
401 
402 static struct resource dm644x_venc_resources[] = {
403 	{
404 		.start	= DM644X_VENC_BASE,
405 		.end	= DM644X_VENC_BASE + 0x17f,
406 		.flags	= IORESOURCE_MEM,
407 	},
408 };
409 
410 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
411 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
412 #define DM644X_VPSS_VENCLKEN                  BIT(3)
413 #define DM644X_VPSS_DACCLKEN                  BIT(4)
414 
dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,unsigned int pclock)415 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
416 				   unsigned int pclock)
417 {
418 	int ret = 0;
419 	u32 v = DM644X_VPSS_VENCLKEN;
420 
421 	switch (type) {
422 	case VPBE_ENC_STD:
423 		v |= DM644X_VPSS_DACCLKEN;
424 		writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
425 		break;
426 	case VPBE_ENC_DV_TIMINGS:
427 		if (pclock <= 27000000) {
428 			v |= DM644X_VPSS_DACCLKEN;
429 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
430 		} else {
431 			/*
432 			 * For HD, use external clock source since
433 			 * HD requires higher clock rate
434 			 */
435 			v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
436 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
437 		}
438 		break;
439 	default:
440 		ret  = -EINVAL;
441 	}
442 
443 	return ret;
444 }
445 
446 static struct resource dm644x_v4l2_disp_resources[] = {
447 	{
448 		.start	= DAVINCI_INTC_IRQ(IRQ_VENCINT),
449 		.end	= DAVINCI_INTC_IRQ(IRQ_VENCINT),
450 		.flags	= IORESOURCE_IRQ,
451 	},
452 };
453 
454 static struct platform_device dm644x_vpbe_display = {
455 	.name		= "vpbe-v4l2",
456 	.id		= -1,
457 	.num_resources	= ARRAY_SIZE(dm644x_v4l2_disp_resources),
458 	.resource	= dm644x_v4l2_disp_resources,
459 	.dev		= {
460 		.dma_mask		= &dm644x_video_dma_mask,
461 		.coherent_dma_mask	= DMA_BIT_MASK(32),
462 	},
463 };
464 
465 static struct venc_platform_data dm644x_venc_pdata = {
466 	.setup_clock	= dm644x_venc_setup_clock,
467 };
468 
469 static struct platform_device dm644x_venc_dev = {
470 	.name		= DM644X_VPBE_VENC_SUBDEV_NAME,
471 	.id		= -1,
472 	.num_resources	= ARRAY_SIZE(dm644x_venc_resources),
473 	.resource	= dm644x_venc_resources,
474 	.dev		= {
475 		.dma_mask		= &dm644x_video_dma_mask,
476 		.coherent_dma_mask	= DMA_BIT_MASK(32),
477 		.platform_data		= &dm644x_venc_pdata,
478 	},
479 };
480 
481 static struct platform_device dm644x_vpbe_dev = {
482 	.name		= "vpbe_controller",
483 	.id		= -1,
484 	.dev		= {
485 		.dma_mask		= &dm644x_video_dma_mask,
486 		.coherent_dma_mask	= DMA_BIT_MASK(32),
487 	},
488 };
489 
490 static struct resource dm644_gpio_resources[] = {
491 	{	/* registers */
492 		.start	= DAVINCI_GPIO_BASE,
493 		.end	= DAVINCI_GPIO_BASE + SZ_4K - 1,
494 		.flags	= IORESOURCE_MEM,
495 	},
496 	{	/* interrupt */
497 		.start	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK0),
498 		.end	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK0),
499 		.flags	= IORESOURCE_IRQ,
500 	},
501 	{
502 		.start	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK1),
503 		.end	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK1),
504 		.flags	= IORESOURCE_IRQ,
505 	},
506 	{
507 		.start	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK2),
508 		.end	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK2),
509 		.flags	= IORESOURCE_IRQ,
510 	},
511 	{
512 		.start	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK3),
513 		.end	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK3),
514 		.flags	= IORESOURCE_IRQ,
515 	},
516 	{
517 		.start	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK4),
518 		.end	= DAVINCI_INTC_IRQ(IRQ_GPIOBNK4),
519 		.flags	= IORESOURCE_IRQ,
520 	},
521 };
522 
523 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
524 	.no_auto_base	= true,
525 	.base		= 0,
526 	.ngpio		= 71,
527 };
528 
dm644x_gpio_register(void)529 int __init dm644x_gpio_register(void)
530 {
531 	return davinci_gpio_register(dm644_gpio_resources,
532 				     ARRAY_SIZE(dm644_gpio_resources),
533 				     &dm644_gpio_platform_data);
534 }
535 /*----------------------------------------------------------------------*/
536 
537 static struct map_desc dm644x_io_desc[] = {
538 	{
539 		.virtual	= IO_VIRT,
540 		.pfn		= __phys_to_pfn(IO_PHYS),
541 		.length		= IO_SIZE,
542 		.type		= MT_DEVICE
543 	},
544 };
545 
546 /* Contents of JTAG ID register used to identify exact cpu type */
547 static struct davinci_id dm644x_ids[] = {
548 	{
549 		.variant	= 0x0,
550 		.part_no	= 0xb700,
551 		.manufacturer	= 0x017,
552 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
553 		.name		= "dm6446",
554 	},
555 	{
556 		.variant	= 0x1,
557 		.part_no	= 0xb700,
558 		.manufacturer	= 0x017,
559 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
560 		.name		= "dm6446a",
561 	},
562 };
563 
564 /*
565  * Bottom half of timer0 is used for clockevent, top half is used for
566  * clocksource.
567  */
568 static const struct davinci_timer_cfg dm644x_timer_cfg = {
569 	.reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K),
570 	.irq = {
571 		DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)),
572 		DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)),
573 	},
574 };
575 
576 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
577 	{
578 		.mapbase	= DAVINCI_UART0_BASE,
579 		.irq		= DAVINCI_INTC_IRQ(IRQ_UARTINT0),
580 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
581 				  UPF_IOREMAP,
582 		.iotype		= UPIO_MEM,
583 		.regshift	= 2,
584 	},
585 	{
586 		.flags	= 0,
587 	}
588 };
589 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
590 	{
591 		.mapbase	= DAVINCI_UART1_BASE,
592 		.irq		= DAVINCI_INTC_IRQ(IRQ_UARTINT1),
593 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
594 				  UPF_IOREMAP,
595 		.iotype		= UPIO_MEM,
596 		.regshift	= 2,
597 	},
598 	{
599 		.flags	= 0,
600 	}
601 };
602 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
603 	{
604 		.mapbase	= DAVINCI_UART2_BASE,
605 		.irq		= DAVINCI_INTC_IRQ(IRQ_UARTINT2),
606 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
607 				  UPF_IOREMAP,
608 		.iotype		= UPIO_MEM,
609 		.regshift	= 2,
610 	},
611 	{
612 		.flags	= 0,
613 	}
614 };
615 
616 struct platform_device dm644x_serial_device[] = {
617 	{
618 		.name			= "serial8250",
619 		.id			= PLAT8250_DEV_PLATFORM,
620 		.dev			= {
621 			.platform_data	= dm644x_serial0_platform_data,
622 		}
623 	},
624 	{
625 		.name			= "serial8250",
626 		.id			= PLAT8250_DEV_PLATFORM1,
627 		.dev			= {
628 			.platform_data	= dm644x_serial1_platform_data,
629 		}
630 	},
631 	{
632 		.name			= "serial8250",
633 		.id			= PLAT8250_DEV_PLATFORM2,
634 		.dev			= {
635 			.platform_data	= dm644x_serial2_platform_data,
636 		}
637 	},
638 	{
639 	}
640 };
641 
642 static const struct davinci_soc_info davinci_soc_info_dm644x = {
643 	.io_desc		= dm644x_io_desc,
644 	.io_desc_num		= ARRAY_SIZE(dm644x_io_desc),
645 	.jtag_id_reg		= 0x01c40028,
646 	.ids			= dm644x_ids,
647 	.ids_num		= ARRAY_SIZE(dm644x_ids),
648 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
649 	.pinmux_pins		= dm644x_pins,
650 	.pinmux_pins_num	= ARRAY_SIZE(dm644x_pins),
651 	.emac_pdata		= &dm644x_emac_pdata,
652 	.sram_dma		= 0x00008000,
653 	.sram_len		= SZ_16K,
654 };
655 
dm644x_init_asp(void)656 void __init dm644x_init_asp(void)
657 {
658 	davinci_cfg_reg(DM644X_MCBSP);
659 	platform_device_register(&dm644x_asp_device);
660 }
661 
dm644x_init(void)662 void __init dm644x_init(void)
663 {
664 	davinci_common_init(&davinci_soc_info_dm644x);
665 	davinci_map_sysmod();
666 }
667 
dm644x_init_time(void)668 void __init dm644x_init_time(void)
669 {
670 	void __iomem *pll1, *psc;
671 	struct clk *clk;
672 	int rv;
673 
674 	clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ);
675 
676 	pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
677 	dm644x_pll1_init(NULL, pll1, NULL);
678 
679 	psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
680 	dm644x_psc_init(NULL, psc);
681 
682 	clk = clk_get(NULL, "timer0");
683 	if (WARN_ON(IS_ERR(clk))) {
684 		pr_err("Unable to get the timer clock\n");
685 		return;
686 	}
687 
688 	rv = davinci_timer_register(clk, &dm644x_timer_cfg);
689 	WARN(rv, "Unable to register the timer: %d\n", rv);
690 }
691 
692 static struct resource dm644x_pll2_resources[] = {
693 	{
694 		.start	= DAVINCI_PLL2_BASE,
695 		.end	= DAVINCI_PLL2_BASE + SZ_1K - 1,
696 		.flags	= IORESOURCE_MEM,
697 	},
698 };
699 
700 static struct platform_device dm644x_pll2_device = {
701 	.name		= "dm644x-pll2",
702 	.id		= -1,
703 	.resource	= dm644x_pll2_resources,
704 	.num_resources	= ARRAY_SIZE(dm644x_pll2_resources),
705 };
706 
dm644x_register_clocks(void)707 void __init dm644x_register_clocks(void)
708 {
709 	/* PLL1 and PSC are registered in dm644x_init_time() */
710 	platform_device_register(&dm644x_pll2_device);
711 }
712 
dm644x_init_video(struct vpfe_config * vpfe_cfg,struct vpbe_config * vpbe_cfg)713 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
714 				struct vpbe_config *vpbe_cfg)
715 {
716 	if (vpfe_cfg || vpbe_cfg)
717 		platform_device_register(&dm644x_vpss_device);
718 
719 	if (vpfe_cfg) {
720 		dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
721 		platform_device_register(&dm644x_ccdc_dev);
722 		platform_device_register(&dm644x_vpfe_dev);
723 	}
724 
725 	if (vpbe_cfg) {
726 		dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
727 		platform_device_register(&dm644x_osd_dev);
728 		platform_device_register(&dm644x_venc_dev);
729 		platform_device_register(&dm644x_vpbe_dev);
730 		platform_device_register(&dm644x_vpbe_display);
731 	}
732 
733 	return 0;
734 }
735 
736 static const struct davinci_aintc_config dm644x_aintc_config = {
737 	.reg = {
738 		.start		= DAVINCI_ARM_INTC_BASE,
739 		.end		= DAVINCI_ARM_INTC_BASE + SZ_4K - 1,
740 		.flags		= IORESOURCE_MEM,
741 	},
742 	.num_irqs		= 64,
743 	.prios			= dm644x_default_priorities,
744 };
745 
dm644x_init_irq(void)746 void __init dm644x_init_irq(void)
747 {
748 	davinci_aintc_init(&dm644x_aintc_config);
749 }
750 
dm644x_init_devices(void)751 void __init dm644x_init_devices(void)
752 {
753 	struct platform_device *edma_pdev;
754 	int ret;
755 
756 	edma_pdev = platform_device_register_full(&dm644x_edma_device);
757 	if (IS_ERR(edma_pdev))
758 		pr_warn("%s: Failed to register eDMA\n", __func__);
759 
760 	platform_device_register(&dm644x_mdio_device);
761 	platform_device_register(&dm644x_emac_device);
762 
763 	ret = davinci_init_wdt();
764 	if (ret)
765 		pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
766 
767 }
768