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mm: make wait_on_page_writeback() wait for multiple pending writebacks
[linux/fpc-iii.git] / arch / arm / mach-davinci / dm646x.c
blob4ffd028ed9978c25c10a80a9175fb6eae4db3823
1 /*
2 * TI DaVinci DM646x 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/dma-mapping.h>
16 #include <linux/dmaengine.h>
17 #include <linux/init.h>
18 #include <linux/io.h>
19 #include <linux/irqchip/irq-davinci-aintc.h>
20 #include <linux/platform_data/edma.h>
21 #include <linux/platform_data/gpio-davinci.h>
22 #include <linux/platform_device.h>
23 #include <linux/serial_8250.h>
24
25 #include <asm/mach/map.h>
26
27 #include <mach/common.h>
28 #include <mach/cputype.h>
29 #include <mach/mux.h>
30 #include <mach/serial.h>
31
32 #include <clocksource/timer-davinci.h>
33
34 #include "asp.h"
35 #include "davinci.h"
36 #include "irqs.h"
37 #include "mux.h"
38
39 #define DAVINCI_VPIF_BASE (0x01C12000)
40
41 #define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
42 BIT_MASK(0))
43 #define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
44 BIT_MASK(8))
45
46 #define DM646X_EMAC_BASE 0x01c80000
47 #define DM646X_EMAC_MDIO_BASE (DM646X_EMAC_BASE + 0x4000)
48 #define DM646X_EMAC_CNTRL_OFFSET 0x0000
49 #define DM646X_EMAC_CNTRL_MOD_OFFSET 0x1000
50 #define DM646X_EMAC_CNTRL_RAM_OFFSET 0x2000
51 #define DM646X_EMAC_CNTRL_RAM_SIZE 0x2000
52
53 static struct emac_platform_data dm646x_emac_pdata = {
54 .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
55 .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
56 .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
57 .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
58 .version = EMAC_VERSION_2,
59 };
60
61 static struct resource dm646x_emac_resources[] = {
62 {
63 .start = DM646X_EMAC_BASE,
64 .end = DM646X_EMAC_BASE + SZ_16K - 1,
65 .flags = IORESOURCE_MEM,
66 },
67 {
68 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
69 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
70 .flags = IORESOURCE_IRQ,
71 },
72 {
73 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
74 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
75 .flags = IORESOURCE_IRQ,
76 },
77 {
78 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
79 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
80 .flags = IORESOURCE_IRQ,
81 },
82 {
83 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
84 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
85 .flags = IORESOURCE_IRQ,
86 },
87 };
88
89 static struct platform_device dm646x_emac_device = {
90 .name = "davinci_emac",
91 .id = 1,
92 .dev = {
93 .platform_data = &dm646x_emac_pdata,
94 },
95 .num_resources = ARRAY_SIZE(dm646x_emac_resources),
96 .resource = dm646x_emac_resources,
97 };
98
99 static struct resource dm646x_mdio_resources[] = {
100 {
101 .start = DM646X_EMAC_MDIO_BASE,
102 .end = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
103 .flags = IORESOURCE_MEM,
104 },
105 };
106
107 static struct platform_device dm646x_mdio_device = {
108 .name = "davinci_mdio",
109 .id = 0,
110 .num_resources = ARRAY_SIZE(dm646x_mdio_resources),
111 .resource = dm646x_mdio_resources,
112 };
113
114 /*
115 * Device specific mux setup
116 *
117 * soc description mux mode mode mux dbg
118 * reg offset mask mode
119 */
120 static const struct mux_config dm646x_pins[] = {
121 #ifdef CONFIG_DAVINCI_MUX
122 MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true)
123
124 MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
125
126 MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
127
128 MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
129
130 MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
131
132 MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
133
134 MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
135
136 MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
137
138 MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
139
140 MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
141
142 MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
143
144 MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
145
146 MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
147
148 MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
149 #endif
150 };
151
152 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
153 [IRQ_DM646X_VP_VERTINT0] = 7,
154 [IRQ_DM646X_VP_VERTINT1] = 7,
155 [IRQ_DM646X_VP_VERTINT2] = 7,
156 [IRQ_DM646X_VP_VERTINT3] = 7,
157 [IRQ_DM646X_VP_ERRINT] = 7,
158 [IRQ_DM646X_RESERVED_1] = 7,
159 [IRQ_DM646X_RESERVED_2] = 7,
160 [IRQ_DM646X_WDINT] = 7,
161 [IRQ_DM646X_CRGENINT0] = 7,
162 [IRQ_DM646X_CRGENINT1] = 7,
163 [IRQ_DM646X_TSIFINT0] = 7,
164 [IRQ_DM646X_TSIFINT1] = 7,
165 [IRQ_DM646X_VDCEINT] = 7,
166 [IRQ_DM646X_USBINT] = 7,
167 [IRQ_DM646X_USBDMAINT] = 7,
168 [IRQ_DM646X_PCIINT] = 7,
169 [IRQ_CCINT0] = 7, /* dma */
170 [IRQ_CCERRINT] = 7, /* dma */
171 [IRQ_TCERRINT0] = 7, /* dma */
172 [IRQ_TCERRINT] = 7, /* dma */
173 [IRQ_DM646X_TCERRINT2] = 7,
174 [IRQ_DM646X_TCERRINT3] = 7,
175 [IRQ_DM646X_IDE] = 7,
176 [IRQ_DM646X_HPIINT] = 7,
177 [IRQ_DM646X_EMACRXTHINT] = 7,
178 [IRQ_DM646X_EMACRXINT] = 7,
179 [IRQ_DM646X_EMACTXINT] = 7,
180 [IRQ_DM646X_EMACMISCINT] = 7,
181 [IRQ_DM646X_MCASP0TXINT] = 7,
182 [IRQ_DM646X_MCASP0RXINT] = 7,
183 [IRQ_DM646X_RESERVED_3] = 7,
184 [IRQ_DM646X_MCASP1TXINT] = 7,
185 [IRQ_TINT0_TINT12] = 7, /* clockevent */
186 [IRQ_TINT0_TINT34] = 7, /* clocksource */
187 [IRQ_TINT1_TINT12] = 7, /* DSP timer */
188 [IRQ_TINT1_TINT34] = 7, /* system tick */
189 [IRQ_PWMINT0] = 7,
190 [IRQ_PWMINT1] = 7,
191 [IRQ_DM646X_VLQINT] = 7,
192 [IRQ_I2C] = 7,
193 [IRQ_UARTINT0] = 7,
194 [IRQ_UARTINT1] = 7,
195 [IRQ_DM646X_UARTINT2] = 7,
196 [IRQ_DM646X_SPINT0] = 7,
197 [IRQ_DM646X_SPINT1] = 7,
198 [IRQ_DM646X_DSP2ARMINT] = 7,
199 [IRQ_DM646X_RESERVED_4] = 7,
200 [IRQ_DM646X_PSCINT] = 7,
201 [IRQ_DM646X_GPIO0] = 7,
202 [IRQ_DM646X_GPIO1] = 7,
203 [IRQ_DM646X_GPIO2] = 7,
204 [IRQ_DM646X_GPIO3] = 7,
205 [IRQ_DM646X_GPIO4] = 7,
206 [IRQ_DM646X_GPIO5] = 7,
207 [IRQ_DM646X_GPIO6] = 7,
208 [IRQ_DM646X_GPIO7] = 7,
209 [IRQ_DM646X_GPIOBNK0] = 7,
210 [IRQ_DM646X_GPIOBNK1] = 7,
211 [IRQ_DM646X_GPIOBNK2] = 7,
212 [IRQ_DM646X_DDRINT] = 7,
213 [IRQ_DM646X_AEMIFINT] = 7,
214 [IRQ_COMMTX] = 7,
215 [IRQ_COMMRX] = 7,
216 [IRQ_EMUINT] = 7,
217 };
218
219 /*----------------------------------------------------------------------*/
220
221 /* Four Transfer Controllers on DM646x */
222 static s8 dm646x_queue_priority_mapping[][2] = {
223 /* {event queue no, Priority} */
224 {0, 4},
225 {1, 0},
226 {2, 5},
227 {3, 1},
228 {-1, -1},
229 };
230
231 static const struct dma_slave_map dm646x_edma_map[] = {
232 { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
233 { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
234 { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
235 { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
236 { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
237 };
238
239 static struct edma_soc_info dm646x_edma_pdata = {
240 .queue_priority_mapping = dm646x_queue_priority_mapping,
241 .default_queue = EVENTQ_1,
242 .slave_map = dm646x_edma_map,
243 .slavecnt = ARRAY_SIZE(dm646x_edma_map),
244 };
245
246 static struct resource edma_resources[] = {
247 {
248 .name = "edma3_cc",
249 .start = 0x01c00000,
250 .end = 0x01c00000 + SZ_64K - 1,
251 .flags = IORESOURCE_MEM,
252 },
253 {
254 .name = "edma3_tc0",
255 .start = 0x01c10000,
256 .end = 0x01c10000 + SZ_1K - 1,
257 .flags = IORESOURCE_MEM,
258 },
259 {
260 .name = "edma3_tc1",
261 .start = 0x01c10400,
262 .end = 0x01c10400 + SZ_1K - 1,
263 .flags = IORESOURCE_MEM,
264 },
265 {
266 .name = "edma3_tc2",
267 .start = 0x01c10800,
268 .end = 0x01c10800 + SZ_1K - 1,
269 .flags = IORESOURCE_MEM,
270 },
271 {
272 .name = "edma3_tc3",
273 .start = 0x01c10c00,
274 .end = 0x01c10c00 + SZ_1K - 1,
275 .flags = IORESOURCE_MEM,
276 },
277 {
278 .name = "edma3_ccint",
279 .start = DAVINCI_INTC_IRQ(IRQ_CCINT0),
280 .flags = IORESOURCE_IRQ,
281 },
282 {
283 .name = "edma3_ccerrint",
284 .start = DAVINCI_INTC_IRQ(IRQ_CCERRINT),
285 .flags = IORESOURCE_IRQ,
286 },
287 /* not using TC*_ERR */
288 };
289
290 static const struct platform_device_info dm646x_edma_device __initconst = {
291 .name = "edma",
292 .id = 0,
293 .dma_mask = DMA_BIT_MASK(32),
294 .res = edma_resources,
295 .num_res = ARRAY_SIZE(edma_resources),
296 .data = &dm646x_edma_pdata,
297 .size_data = sizeof(dm646x_edma_pdata),
298 };
299
300 static struct resource dm646x_mcasp0_resources[] = {
301 {
302 .name = "mpu",
303 .start = DAVINCI_DM646X_MCASP0_REG_BASE,
304 .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
305 .flags = IORESOURCE_MEM,
306 },
307 {
308 .name = "tx",
309 .start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
310 .end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
311 .flags = IORESOURCE_DMA,
312 },
313 {
314 .name = "rx",
315 .start = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
316 .end = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
317 .flags = IORESOURCE_DMA,
318 },
319 {
320 .name = "tx",
321 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0TXINT),
322 .flags = IORESOURCE_IRQ,
323 },
324 {
325 .name = "rx",
326 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0RXINT),
327 .flags = IORESOURCE_IRQ,
328 },
329 };
330
331 /* DIT mode only, rx is not supported */
332 static struct resource dm646x_mcasp1_resources[] = {
333 {
334 .name = "mpu",
335 .start = DAVINCI_DM646X_MCASP1_REG_BASE,
336 .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
337 .flags = IORESOURCE_MEM,
338 },
339 {
340 .name = "tx",
341 .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
342 .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
343 .flags = IORESOURCE_DMA,
344 },
345 {
346 .name = "tx",
347 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP1TXINT),
348 .flags = IORESOURCE_IRQ,
349 },
350 };
351
352 static struct platform_device dm646x_mcasp0_device = {
353 .name = "davinci-mcasp",
354 .id = 0,
355 .num_resources = ARRAY_SIZE(dm646x_mcasp0_resources),
356 .resource = dm646x_mcasp0_resources,
357 };
358
359 static struct platform_device dm646x_mcasp1_device = {
360 .name = "davinci-mcasp",
361 .id = 1,
362 .num_resources = ARRAY_SIZE(dm646x_mcasp1_resources),
363 .resource = dm646x_mcasp1_resources,
364 };
365
366 static struct platform_device dm646x_dit_device = {
367 .name = "spdif-dit",
368 .id = -1,
369 };
370
371 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
372
373 static struct resource vpif_resource[] = {
374 {
375 .start = DAVINCI_VPIF_BASE,
376 .end = DAVINCI_VPIF_BASE + 0x03ff,
377 .flags = IORESOURCE_MEM,
378 }
379 };
380
381 static struct platform_device vpif_dev = {
382 .name = "vpif",
383 .id = -1,
384 .dev = {
385 .dma_mask = &vpif_dma_mask,
386 .coherent_dma_mask = DMA_BIT_MASK(32),
387 },
388 .resource = vpif_resource,
389 .num_resources = ARRAY_SIZE(vpif_resource),
390 };
391
392 static struct resource vpif_display_resource[] = {
393 {
394 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
395 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
396 .flags = IORESOURCE_IRQ,
397 },
398 {
399 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
400 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
401 .flags = IORESOURCE_IRQ,
402 },
403 };
404
405 static struct platform_device vpif_display_dev = {
406 .name = "vpif_display",
407 .id = -1,
408 .dev = {
409 .dma_mask = &vpif_dma_mask,
410 .coherent_dma_mask = DMA_BIT_MASK(32),
411 },
412 .resource = vpif_display_resource,
413 .num_resources = ARRAY_SIZE(vpif_display_resource),
414 };
415
416 static struct resource vpif_capture_resource[] = {
417 {
418 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
419 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
420 .flags = IORESOURCE_IRQ,
421 },
422 {
423 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
424 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
425 .flags = IORESOURCE_IRQ,
426 },
427 };
428
429 static struct platform_device vpif_capture_dev = {
430 .name = "vpif_capture",
431 .id = -1,
432 .dev = {
433 .dma_mask = &vpif_dma_mask,
434 .coherent_dma_mask = DMA_BIT_MASK(32),
435 },
436 .resource = vpif_capture_resource,
437 .num_resources = ARRAY_SIZE(vpif_capture_resource),
438 };
439
440 static struct resource dm646x_gpio_resources[] = {
441 { /* registers */
442 .start = DAVINCI_GPIO_BASE,
443 .end = DAVINCI_GPIO_BASE + SZ_4K - 1,
444 .flags = IORESOURCE_MEM,
445 },
446 { /* interrupt */
447 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
448 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
449 .flags = IORESOURCE_IRQ,
450 },
451 {
452 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
453 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
454 .flags = IORESOURCE_IRQ,
455 },
456 {
457 .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2),
458 .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2),
459 .flags = IORESOURCE_IRQ,
460 },
461 };
462
463 static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
464 .no_auto_base = true,
465 .base = 0,
466 .ngpio = 43,
467 };
468
469 int __init dm646x_gpio_register(void)
470 {
471 return davinci_gpio_register(dm646x_gpio_resources,
472 ARRAY_SIZE(dm646x_gpio_resources),
473 &dm646x_gpio_platform_data);
474 }
475 /*----------------------------------------------------------------------*/
476
477 static struct map_desc dm646x_io_desc[] = {
478 {
479 .virtual = IO_VIRT,
480 .pfn = __phys_to_pfn(IO_PHYS),
481 .length = IO_SIZE,
482 .type = MT_DEVICE
483 },
484 };
485
486 /* Contents of JTAG ID register used to identify exact cpu type */
487 static struct davinci_id dm646x_ids[] = {
488 {
489 .variant = 0x0,
490 .part_no = 0xb770,
491 .manufacturer = 0x017,
492 .cpu_id = DAVINCI_CPU_ID_DM6467,
493 .name = "dm6467_rev1.x",
494 },
495 {
496 .variant = 0x1,
497 .part_no = 0xb770,
498 .manufacturer = 0x017,
499 .cpu_id = DAVINCI_CPU_ID_DM6467,
500 .name = "dm6467_rev3.x",
501 },
502 };
503
504 /*
505 * Bottom half of timer0 is used for clockevent, top half is used for
506 * clocksource.
507 */
508 static const struct davinci_timer_cfg dm646x_timer_cfg = {
509 .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K),
510 .irq = {
511 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)),
512 DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)),
513 },
514 };
515
516 static struct plat_serial8250_port dm646x_serial0_platform_data[] = {
517 {
518 .mapbase = DAVINCI_UART0_BASE,
519 .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0),
520 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
521 UPF_IOREMAP,
522 .iotype = UPIO_MEM32,
523 .regshift = 2,
524 },
525 {
526 .flags = 0,
527 }
528 };
529 static struct plat_serial8250_port dm646x_serial1_platform_data[] = {
530 {
531 .mapbase = DAVINCI_UART1_BASE,
532 .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1),
533 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
534 UPF_IOREMAP,
535 .iotype = UPIO_MEM32,
536 .regshift = 2,
537 },
538 {
539 .flags = 0,
540 }
541 };
542 static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
543 {
544 .mapbase = DAVINCI_UART2_BASE,
545 .irq = DAVINCI_INTC_IRQ(IRQ_DM646X_UARTINT2),
546 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
547 UPF_IOREMAP,
548 .iotype = UPIO_MEM32,
549 .regshift = 2,
550 },
551 {
552 .flags = 0,
553 }
554 };
555
556 struct platform_device dm646x_serial_device[] = {
557 {
558 .name = "serial8250",
559 .id = PLAT8250_DEV_PLATFORM,
560 .dev = {
561 .platform_data = dm646x_serial0_platform_data,
562 }
563 },
564 {
565 .name = "serial8250",
566 .id = PLAT8250_DEV_PLATFORM1,
567 .dev = {
568 .platform_data = dm646x_serial1_platform_data,
569 }
570 },
571 {
572 .name = "serial8250",
573 .id = PLAT8250_DEV_PLATFORM2,
574 .dev = {
575 .platform_data = dm646x_serial2_platform_data,
576 }
577 },
578 {
579 }
580 };
581
582 static const struct davinci_soc_info davinci_soc_info_dm646x = {
583 .io_desc = dm646x_io_desc,
584 .io_desc_num = ARRAY_SIZE(dm646x_io_desc),
585 .jtag_id_reg = 0x01c40028,
586 .ids = dm646x_ids,
587 .ids_num = ARRAY_SIZE(dm646x_ids),
588 .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
589 .pinmux_pins = dm646x_pins,
590 .pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
591 .emac_pdata = &dm646x_emac_pdata,
592 .sram_dma = 0x10010000,
593 .sram_len = SZ_32K,
594 };
595
596 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
597 {
598 dm646x_mcasp0_device.dev.platform_data = pdata;
599 platform_device_register(&dm646x_mcasp0_device);
600 }
601
602 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
603 {
604 dm646x_mcasp1_device.dev.platform_data = pdata;
605 platform_device_register(&dm646x_mcasp1_device);
606 platform_device_register(&dm646x_dit_device);
607 }
608
609 void dm646x_setup_vpif(struct vpif_display_config *display_config,
610 struct vpif_capture_config *capture_config)
611 {
612 unsigned int value;
613
614 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
615 value &= ~VSCLKDIS_MASK;
616 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
617
618 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
619 value &= ~VDD3P3V_VID_MASK;
620 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
621
622 davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
623 davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
624 davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
625 davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
626
627 vpif_display_dev.dev.platform_data = display_config;
628 vpif_capture_dev.dev.platform_data = capture_config;
629 platform_device_register(&vpif_dev);
630 platform_device_register(&vpif_display_dev);
631 platform_device_register(&vpif_capture_dev);
632 }
633
634 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
635 {
636 struct platform_device *edma_pdev;
637
638 dm646x_edma_pdata.rsv = rsv;
639
640 edma_pdev = platform_device_register_full(&dm646x_edma_device);
641 return PTR_ERR_OR_ZERO(edma_pdev);
642 }
643
644 void __init dm646x_init(void)
645 {
646 davinci_common_init(&davinci_soc_info_dm646x);
647 davinci_map_sysmod();
648 }
649
650 void __init dm646x_init_time(unsigned long ref_clk_rate,
651 unsigned long aux_clkin_rate)
652 {
653 void __iomem *pll1, *psc;
654 struct clk *clk;
655 int rv;
656
657 clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, ref_clk_rate);
658 clk_register_fixed_rate(NULL, "aux_clkin", NULL, 0, aux_clkin_rate);
659
660 pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
661 dm646x_pll1_init(NULL, pll1, NULL);
662
663 psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
664 dm646x_psc_init(NULL, psc);
665
666 clk = clk_get(NULL, "timer0");
667 if (WARN_ON(IS_ERR(clk))) {
668 pr_err("Unable to get the timer clock\n");
669 return;
670 }
671
672 rv = davinci_timer_register(clk, &dm646x_timer_cfg);
673 WARN(rv, "Unable to register the timer: %d\n", rv);
674 }
675
676 static struct resource dm646x_pll2_resources[] = {
677 {
678 .start = DAVINCI_PLL2_BASE,
679 .end = DAVINCI_PLL2_BASE + SZ_1K - 1,
680 .flags = IORESOURCE_MEM,
681 },
682 };
683
684 static struct platform_device dm646x_pll2_device = {
685 .name = "dm646x-pll2",
686 .id = -1,
687 .resource = dm646x_pll2_resources,
688 .num_resources = ARRAY_SIZE(dm646x_pll2_resources),
689 };
690
691 void __init dm646x_register_clocks(void)
692 {
693 /* PLL1 and PSC are registered in dm646x_init_time() */
694 platform_device_register(&dm646x_pll2_device);
695 }
696
697 static const struct davinci_aintc_config dm646x_aintc_config = {
698 .reg = {
699 .start = DAVINCI_ARM_INTC_BASE,
700 .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1,
701 .flags = IORESOURCE_MEM,
702 },
703 .num_irqs = 64,
704 .prios = dm646x_default_priorities,
705 };
706
707 void __init dm646x_init_irq(void)
708 {
709 davinci_aintc_init(&dm646x_aintc_config);
710 }
711
712 static int __init dm646x_init_devices(void)
713 {
714 int ret = 0;
715
716 if (!cpu_is_davinci_dm646x())
717 return 0;
718
719 platform_device_register(&dm646x_mdio_device);
720 platform_device_register(&dm646x_emac_device);
721
722 ret = davinci_init_wdt();
723 if (ret)
724 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
725
726 return ret;
727 }
728 postcore_initcall(dm646x_init_devices);
Linux with added FPC-III support