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/dma-mapping.h>
12 #include <linux/dmaengine.h>
13 #include <linux/init.h>
14 #include <linux/clk.h>
15 #include <linux/serial_8250.h>
16 #include <linux/platform_device.h>
17 #include <linux/platform_data/edma.h>
18 #include <linux/platform_data/gpio-davinci.h>
19
20 #include <asm/mach/map.h>
21
22 #include <mach/cputype.h>
23 #include <mach/irqs.h>
24 #include "psc.h"
25 #include <mach/mux.h>
26 #include <mach/time.h>
27 #include <mach/serial.h>
28 #include <mach/common.h>
29
30 #include "davinci.h"
31 #include "clock.h"
32 #include "mux.h"
33 #include "asp.h"
34
35 #define DAVINCI_VPIF_BASE (0x01C12000)
36
37 #define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
38 BIT_MASK(0))
39 #define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
40 BIT_MASK(8))
41
42 /*
43 * Device specific clocks
44 */
45 #define DM646X_REF_FREQ 27000000
46 #define DM646X_AUX_FREQ 24000000
47
48 #define DM646X_EMAC_BASE 0x01c80000
49 #define DM646X_EMAC_MDIO_BASE (DM646X_EMAC_BASE + 0x4000)
50 #define DM646X_EMAC_CNTRL_OFFSET 0x0000
51 #define DM646X_EMAC_CNTRL_MOD_OFFSET 0x1000
52 #define DM646X_EMAC_CNTRL_RAM_OFFSET 0x2000
53 #define DM646X_EMAC_CNTRL_RAM_SIZE 0x2000
54
55 static struct pll_data pll1_data = {
56 .num = 1,
57 .phys_base = DAVINCI_PLL1_BASE,
58 };
59
60 static struct pll_data pll2_data = {
61 .num = 2,
62 .phys_base = DAVINCI_PLL2_BASE,
63 };
64
65 static struct clk ref_clk = {
66 .name = "ref_clk",
67 .rate = DM646X_REF_FREQ,
68 .set_rate = davinci_simple_set_rate,
69 };
70
71 static struct clk aux_clkin = {
72 .name = "aux_clkin",
73 .rate = DM646X_AUX_FREQ,
74 };
75
76 static struct clk pll1_clk = {
77 .name = "pll1",
78 .parent = &ref_clk,
79 .pll_data = &pll1_data,
80 .flags = CLK_PLL,
81 };
82
83 static struct clk pll1_sysclk1 = {
84 .name = "pll1_sysclk1",
85 .parent = &pll1_clk,
86 .flags = CLK_PLL,
87 .div_reg = PLLDIV1,
88 };
89
90 static struct clk pll1_sysclk2 = {
91 .name = "pll1_sysclk2",
92 .parent = &pll1_clk,
93 .flags = CLK_PLL,
94 .div_reg = PLLDIV2,
95 };
96
97 static struct clk pll1_sysclk3 = {
98 .name = "pll1_sysclk3",
99 .parent = &pll1_clk,
100 .flags = CLK_PLL,
101 .div_reg = PLLDIV3,
102 };
103
104 static struct clk pll1_sysclk4 = {
105 .name = "pll1_sysclk4",
106 .parent = &pll1_clk,
107 .flags = CLK_PLL,
108 .div_reg = PLLDIV4,
109 };
110
111 static struct clk pll1_sysclk5 = {
112 .name = "pll1_sysclk5",
113 .parent = &pll1_clk,
114 .flags = CLK_PLL,
115 .div_reg = PLLDIV5,
116 };
117
118 static struct clk pll1_sysclk6 = {
119 .name = "pll1_sysclk6",
120 .parent = &pll1_clk,
121 .flags = CLK_PLL,
122 .div_reg = PLLDIV6,
123 };
124
125 static struct clk pll1_sysclk8 = {
126 .name = "pll1_sysclk8",
127 .parent = &pll1_clk,
128 .flags = CLK_PLL,
129 .div_reg = PLLDIV8,
130 };
131
132 static struct clk pll1_sysclk9 = {
133 .name = "pll1_sysclk9",
134 .parent = &pll1_clk,
135 .flags = CLK_PLL,
136 .div_reg = PLLDIV9,
137 };
138
139 static struct clk pll1_sysclkbp = {
140 .name = "pll1_sysclkbp",
141 .parent = &pll1_clk,
142 .flags = CLK_PLL | PRE_PLL,
143 .div_reg = BPDIV,
144 };
145
146 static struct clk pll1_aux_clk = {
147 .name = "pll1_aux_clk",
148 .parent = &pll1_clk,
149 .flags = CLK_PLL | PRE_PLL,
150 };
151
152 static struct clk pll2_clk = {
153 .name = "pll2_clk",
154 .parent = &ref_clk,
155 .pll_data = &pll2_data,
156 .flags = CLK_PLL,
157 };
158
159 static struct clk pll2_sysclk1 = {
160 .name = "pll2_sysclk1",
161 .parent = &pll2_clk,
162 .flags = CLK_PLL,
163 .div_reg = PLLDIV1,
164 };
165
166 static struct clk dsp_clk = {
167 .name = "dsp",
168 .parent = &pll1_sysclk1,
169 .lpsc = DM646X_LPSC_C64X_CPU,
170 .usecount = 1, /* REVISIT how to disable? */
171 };
172
173 static struct clk arm_clk = {
174 .name = "arm",
175 .parent = &pll1_sysclk2,
176 .lpsc = DM646X_LPSC_ARM,
177 .flags = ALWAYS_ENABLED,
178 };
179
180 static struct clk edma_cc_clk = {
181 .name = "edma_cc",
182 .parent = &pll1_sysclk2,
183 .lpsc = DM646X_LPSC_TPCC,
184 .flags = ALWAYS_ENABLED,
185 };
186
187 static struct clk edma_tc0_clk = {
188 .name = "edma_tc0",
189 .parent = &pll1_sysclk2,
190 .lpsc = DM646X_LPSC_TPTC0,
191 .flags = ALWAYS_ENABLED,
192 };
193
194 static struct clk edma_tc1_clk = {
195 .name = "edma_tc1",
196 .parent = &pll1_sysclk2,
197 .lpsc = DM646X_LPSC_TPTC1,
198 .flags = ALWAYS_ENABLED,
199 };
200
201 static struct clk edma_tc2_clk = {
202 .name = "edma_tc2",
203 .parent = &pll1_sysclk2,
204 .lpsc = DM646X_LPSC_TPTC2,
205 .flags = ALWAYS_ENABLED,
206 };
207
208 static struct clk edma_tc3_clk = {
209 .name = "edma_tc3",
210 .parent = &pll1_sysclk2,
211 .lpsc = DM646X_LPSC_TPTC3,
212 .flags = ALWAYS_ENABLED,
213 };
214
215 static struct clk uart0_clk = {
216 .name = "uart0",
217 .parent = &aux_clkin,
218 .lpsc = DM646X_LPSC_UART0,
219 };
220
221 static struct clk uart1_clk = {
222 .name = "uart1",
223 .parent = &aux_clkin,
224 .lpsc = DM646X_LPSC_UART1,
225 };
226
227 static struct clk uart2_clk = {
228 .name = "uart2",
229 .parent = &aux_clkin,
230 .lpsc = DM646X_LPSC_UART2,
231 };
232
233 static struct clk i2c_clk = {
234 .name = "I2CCLK",
235 .parent = &pll1_sysclk3,
236 .lpsc = DM646X_LPSC_I2C,
237 };
238
239 static struct clk gpio_clk = {
240 .name = "gpio",
241 .parent = &pll1_sysclk3,
242 .lpsc = DM646X_LPSC_GPIO,
243 };
244
245 static struct clk mcasp0_clk = {
246 .name = "mcasp0",
247 .parent = &pll1_sysclk3,
248 .lpsc = DM646X_LPSC_McASP0,
249 };
250
251 static struct clk mcasp1_clk = {
252 .name = "mcasp1",
253 .parent = &pll1_sysclk3,
254 .lpsc = DM646X_LPSC_McASP1,
255 };
256
257 static struct clk aemif_clk = {
258 .name = "aemif",
259 .parent = &pll1_sysclk3,
260 .lpsc = DM646X_LPSC_AEMIF,
261 .flags = ALWAYS_ENABLED,
262 };
263
264 static struct clk emac_clk = {
265 .name = "emac",
266 .parent = &pll1_sysclk3,
267 .lpsc = DM646X_LPSC_EMAC,
268 };
269
270 static struct clk pwm0_clk = {
271 .name = "pwm0",
272 .parent = &pll1_sysclk3,
273 .lpsc = DM646X_LPSC_PWM0,
274 .usecount = 1, /* REVIST: disabling hangs system */
275 };
276
277 static struct clk pwm1_clk = {
278 .name = "pwm1",
279 .parent = &pll1_sysclk3,
280 .lpsc = DM646X_LPSC_PWM1,
281 .usecount = 1, /* REVIST: disabling hangs system */
282 };
283
284 static struct clk timer0_clk = {
285 .name = "timer0",
286 .parent = &pll1_sysclk3,
287 .lpsc = DM646X_LPSC_TIMER0,
288 };
289
290 static struct clk timer1_clk = {
291 .name = "timer1",
292 .parent = &pll1_sysclk3,
293 .lpsc = DM646X_LPSC_TIMER1,
294 };
295
296 static struct clk timer2_clk = {
297 .name = "timer2",
298 .parent = &pll1_sysclk3,
299 .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
300 };
301
302
303 static struct clk ide_clk = {
304 .name = "ide",
305 .parent = &pll1_sysclk4,
306 .lpsc = DAVINCI_LPSC_ATA,
307 };
308
309 static struct clk vpif0_clk = {
310 .name = "vpif0",
311 .parent = &ref_clk,
312 .lpsc = DM646X_LPSC_VPSSMSTR,
313 .flags = ALWAYS_ENABLED,
314 };
315
316 static struct clk vpif1_clk = {
317 .name = "vpif1",
318 .parent = &ref_clk,
319 .lpsc = DM646X_LPSC_VPSSSLV,
320 .flags = ALWAYS_ENABLED,
321 };
322
323 static struct clk_lookup dm646x_clks[] = {
324 CLK(NULL, "ref", &ref_clk),
325 CLK(NULL, "aux", &aux_clkin),
326 CLK(NULL, "pll1", &pll1_clk),
327 CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
328 CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
329 CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
330 CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
331 CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
332 CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
333 CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
334 CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
335 CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
336 CLK(NULL, "pll1_aux", &pll1_aux_clk),
337 CLK(NULL, "pll2", &pll2_clk),
338 CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
339 CLK(NULL, "dsp", &dsp_clk),
340 CLK(NULL, "arm", &arm_clk),
341 CLK(NULL, "edma_cc", &edma_cc_clk),
342 CLK(NULL, "edma_tc0", &edma_tc0_clk),
343 CLK(NULL, "edma_tc1", &edma_tc1_clk),
344 CLK(NULL, "edma_tc2", &edma_tc2_clk),
345 CLK(NULL, "edma_tc3", &edma_tc3_clk),
346 CLK("serial8250.0", NULL, &uart0_clk),
347 CLK("serial8250.1", NULL, &uart1_clk),
348 CLK("serial8250.2", NULL, &uart2_clk),
349 CLK("i2c_davinci.1", NULL, &i2c_clk),
350 CLK(NULL, "gpio", &gpio_clk),
351 CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
352 CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
353 CLK(NULL, "aemif", &aemif_clk),
354 CLK("davinci_emac.1", NULL, &emac_clk),
355 CLK("davinci_mdio.0", "fck", &emac_clk),
356 CLK(NULL, "pwm0", &pwm0_clk),
357 CLK(NULL, "pwm1", &pwm1_clk),
358 CLK(NULL, "timer0", &timer0_clk),
359 CLK(NULL, "timer1", &timer1_clk),
360 CLK("davinci-wdt", NULL, &timer2_clk),
361 CLK("palm_bk3710", NULL, &ide_clk),
362 CLK(NULL, "vpif0", &vpif0_clk),
363 CLK(NULL, "vpif1", &vpif1_clk),
364 CLK(NULL, NULL, NULL),
365 };
366
367 static struct emac_platform_data dm646x_emac_pdata = {
368 .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
369 .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
370 .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
371 .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
372 .version = EMAC_VERSION_2,
373 };
374
375 static struct resource dm646x_emac_resources[] = {
376 {
377 .start = DM646X_EMAC_BASE,
378 .end = DM646X_EMAC_BASE + SZ_16K - 1,
379 .flags = IORESOURCE_MEM,
380 },
381 {
382 .start = IRQ_DM646X_EMACRXTHINT,
383 .end = IRQ_DM646X_EMACRXTHINT,
384 .flags = IORESOURCE_IRQ,
385 },
386 {
387 .start = IRQ_DM646X_EMACRXINT,
388 .end = IRQ_DM646X_EMACRXINT,
389 .flags = IORESOURCE_IRQ,
390 },
391 {
392 .start = IRQ_DM646X_EMACTXINT,
393 .end = IRQ_DM646X_EMACTXINT,
394 .flags = IORESOURCE_IRQ,
395 },
396 {
397 .start = IRQ_DM646X_EMACMISCINT,
398 .end = IRQ_DM646X_EMACMISCINT,
399 .flags = IORESOURCE_IRQ,
400 },
401 };
402
403 static struct platform_device dm646x_emac_device = {
404 .name = "davinci_emac",
405 .id = 1,
406 .dev = {
407 .platform_data = &dm646x_emac_pdata,
408 },
409 .num_resources = ARRAY_SIZE(dm646x_emac_resources),
410 .resource = dm646x_emac_resources,
411 };
412
413 static struct resource dm646x_mdio_resources[] = {
414 {
415 .start = DM646X_EMAC_MDIO_BASE,
416 .end = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
417 .flags = IORESOURCE_MEM,
418 },
419 };
420
421 static struct platform_device dm646x_mdio_device = {
422 .name = "davinci_mdio",
423 .id = 0,
424 .num_resources = ARRAY_SIZE(dm646x_mdio_resources),
425 .resource = dm646x_mdio_resources,
426 };
427
428 /*
429 * Device specific mux setup
430 *
431 * soc description mux mode mode mux dbg
432 * reg offset mask mode
433 */
434 static const struct mux_config dm646x_pins[] = {
435 #ifdef CONFIG_DAVINCI_MUX
436 MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true)
437
438 MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
439
440 MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
441
442 MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
443
444 MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
445
446 MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
447
448 MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
449
450 MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
451
452 MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
453
454 MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
455
456 MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
457
458 MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
459
460 MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
461
462 MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
463 #endif
464 };
465
466 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
467 [IRQ_DM646X_VP_VERTINT0] = 7,
468 [IRQ_DM646X_VP_VERTINT1] = 7,
469 [IRQ_DM646X_VP_VERTINT2] = 7,
470 [IRQ_DM646X_VP_VERTINT3] = 7,
471 [IRQ_DM646X_VP_ERRINT] = 7,
472 [IRQ_DM646X_RESERVED_1] = 7,
473 [IRQ_DM646X_RESERVED_2] = 7,
474 [IRQ_DM646X_WDINT] = 7,
475 [IRQ_DM646X_CRGENINT0] = 7,
476 [IRQ_DM646X_CRGENINT1] = 7,
477 [IRQ_DM646X_TSIFINT0] = 7,
478 [IRQ_DM646X_TSIFINT1] = 7,
479 [IRQ_DM646X_VDCEINT] = 7,
480 [IRQ_DM646X_USBINT] = 7,
481 [IRQ_DM646X_USBDMAINT] = 7,
482 [IRQ_DM646X_PCIINT] = 7,
483 [IRQ_CCINT0] = 7, /* dma */
484 [IRQ_CCERRINT] = 7, /* dma */
485 [IRQ_TCERRINT0] = 7, /* dma */
486 [IRQ_TCERRINT] = 7, /* dma */
487 [IRQ_DM646X_TCERRINT2] = 7,
488 [IRQ_DM646X_TCERRINT3] = 7,
489 [IRQ_DM646X_IDE] = 7,
490 [IRQ_DM646X_HPIINT] = 7,
491 [IRQ_DM646X_EMACRXTHINT] = 7,
492 [IRQ_DM646X_EMACRXINT] = 7,
493 [IRQ_DM646X_EMACTXINT] = 7,
494 [IRQ_DM646X_EMACMISCINT] = 7,
495 [IRQ_DM646X_MCASP0TXINT] = 7,
496 [IRQ_DM646X_MCASP0RXINT] = 7,
497 [IRQ_DM646X_RESERVED_3] = 7,
498 [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */
499 [IRQ_TINT0_TINT34] = 7, /* clocksource */
500 [IRQ_TINT1_TINT12] = 7, /* DSP timer */
501 [IRQ_TINT1_TINT34] = 7, /* system tick */
502 [IRQ_PWMINT0] = 7,
503 [IRQ_PWMINT1] = 7,
504 [IRQ_DM646X_VLQINT] = 7,
505 [IRQ_I2C] = 7,
506 [IRQ_UARTINT0] = 7,
507 [IRQ_UARTINT1] = 7,
508 [IRQ_DM646X_UARTINT2] = 7,
509 [IRQ_DM646X_SPINT0] = 7,
510 [IRQ_DM646X_SPINT1] = 7,
511 [IRQ_DM646X_DSP2ARMINT] = 7,
512 [IRQ_DM646X_RESERVED_4] = 7,
513 [IRQ_DM646X_PSCINT] = 7,
514 [IRQ_DM646X_GPIO0] = 7,
515 [IRQ_DM646X_GPIO1] = 7,
516 [IRQ_DM646X_GPIO2] = 7,
517 [IRQ_DM646X_GPIO3] = 7,
518 [IRQ_DM646X_GPIO4] = 7,
519 [IRQ_DM646X_GPIO5] = 7,
520 [IRQ_DM646X_GPIO6] = 7,
521 [IRQ_DM646X_GPIO7] = 7,
522 [IRQ_DM646X_GPIOBNK0] = 7,
523 [IRQ_DM646X_GPIOBNK1] = 7,
524 [IRQ_DM646X_GPIOBNK2] = 7,
525 [IRQ_DM646X_DDRINT] = 7,
526 [IRQ_DM646X_AEMIFINT] = 7,
527 [IRQ_COMMTX] = 7,
528 [IRQ_COMMRX] = 7,
529 [IRQ_EMUINT] = 7,
530 };
531
532 /*----------------------------------------------------------------------*/
533
534 /* Four Transfer Controllers on DM646x */
535 static s8 dm646x_queue_priority_mapping[][2] = {
536 /* {event queue no, Priority} */
537 {0, 4},
538 {1, 0},
539 {2, 5},
540 {3, 1},
541 {-1, -1},
542 };
543
544 static const struct dma_slave_map dm646x_edma_map[] = {
545 { "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
546 { "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
547 { "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
548 { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
549 { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
550 };
551
552 static struct edma_soc_info dm646x_edma_pdata = {
553 .queue_priority_mapping = dm646x_queue_priority_mapping,
554 .default_queue = EVENTQ_1,
555 .slave_map = dm646x_edma_map,
556 .slavecnt = ARRAY_SIZE(dm646x_edma_map),
557 };
558
559 static struct resource edma_resources[] = {
560 {
561 .name = "edma3_cc",
562 .start = 0x01c00000,
563 .end = 0x01c00000 + SZ_64K - 1,
564 .flags = IORESOURCE_MEM,
565 },
566 {
567 .name = "edma3_tc0",
568 .start = 0x01c10000,
569 .end = 0x01c10000 + SZ_1K - 1,
570 .flags = IORESOURCE_MEM,
571 },
572 {
573 .name = "edma3_tc1",
574 .start = 0x01c10400,
575 .end = 0x01c10400 + SZ_1K - 1,
576 .flags = IORESOURCE_MEM,
577 },
578 {
579 .name = "edma3_tc2",
580 .start = 0x01c10800,
581 .end = 0x01c10800 + SZ_1K - 1,
582 .flags = IORESOURCE_MEM,
583 },
584 {
585 .name = "edma3_tc3",
586 .start = 0x01c10c00,
587 .end = 0x01c10c00 + SZ_1K - 1,
588 .flags = IORESOURCE_MEM,
589 },
590 {
591 .name = "edma3_ccint",
592 .start = IRQ_CCINT0,
593 .flags = IORESOURCE_IRQ,
594 },
595 {
596 .name = "edma3_ccerrint",
597 .start = IRQ_CCERRINT,
598 .flags = IORESOURCE_IRQ,
599 },
600 /* not using TC*_ERR */
601 };
602
603 static const struct platform_device_info dm646x_edma_device __initconst = {
604 .name = "edma",
605 .id = 0,
606 .dma_mask = DMA_BIT_MASK(32),
607 .res = edma_resources,
608 .num_res = ARRAY_SIZE(edma_resources),
609 .data = &dm646x_edma_pdata,
610 .size_data = sizeof(dm646x_edma_pdata),
611 };
612
613 static struct resource dm646x_mcasp0_resources[] = {
614 {
615 .name = "mpu",
616 .start = DAVINCI_DM646X_MCASP0_REG_BASE,
617 .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
618 .flags = IORESOURCE_MEM,
619 },
620 {
621 .name = "tx",
622 .start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
623 .end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
624 .flags = IORESOURCE_DMA,
625 },
626 {
627 .name = "rx",
628 .start = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
629 .end = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
630 .flags = IORESOURCE_DMA,
631 },
632 {
633 .name = "tx",
634 .start = IRQ_DM646X_MCASP0TXINT,
635 .flags = IORESOURCE_IRQ,
636 },
637 {
638 .name = "rx",
639 .start = IRQ_DM646X_MCASP0RXINT,
640 .flags = IORESOURCE_IRQ,
641 },
642 };
643
644 /* DIT mode only, rx is not supported */
645 static struct resource dm646x_mcasp1_resources[] = {
646 {
647 .name = "mpu",
648 .start = DAVINCI_DM646X_MCASP1_REG_BASE,
649 .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
650 .flags = IORESOURCE_MEM,
651 },
652 {
653 .name = "tx",
654 .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
655 .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
656 .flags = IORESOURCE_DMA,
657 },
658 {
659 .name = "tx",
660 .start = IRQ_DM646X_MCASP1TXINT,
661 .flags = IORESOURCE_IRQ,
662 },
663 };
664
665 static struct platform_device dm646x_mcasp0_device = {
666 .name = "davinci-mcasp",
667 .id = 0,
668 .num_resources = ARRAY_SIZE(dm646x_mcasp0_resources),
669 .resource = dm646x_mcasp0_resources,
670 };
671
672 static struct platform_device dm646x_mcasp1_device = {
673 .name = "davinci-mcasp",
674 .id = 1,
675 .num_resources = ARRAY_SIZE(dm646x_mcasp1_resources),
676 .resource = dm646x_mcasp1_resources,
677 };
678
679 static struct platform_device dm646x_dit_device = {
680 .name = "spdif-dit",
681 .id = -1,
682 };
683
684 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
685
686 static struct resource vpif_resource[] = {
687 {
688 .start = DAVINCI_VPIF_BASE,
689 .end = DAVINCI_VPIF_BASE + 0x03ff,
690 .flags = IORESOURCE_MEM,
691 }
692 };
693
694 static struct platform_device vpif_dev = {
695 .name = "vpif",
696 .id = -1,
697 .dev = {
698 .dma_mask = &vpif_dma_mask,
699 .coherent_dma_mask = DMA_BIT_MASK(32),
700 },
701 .resource = vpif_resource,
702 .num_resources = ARRAY_SIZE(vpif_resource),
703 };
704
705 static struct resource vpif_display_resource[] = {
706 {
707 .start = IRQ_DM646X_VP_VERTINT2,
708 .end = IRQ_DM646X_VP_VERTINT2,
709 .flags = IORESOURCE_IRQ,
710 },
711 {
712 .start = IRQ_DM646X_VP_VERTINT3,
713 .end = IRQ_DM646X_VP_VERTINT3,
714 .flags = IORESOURCE_IRQ,
715 },
716 };
717
718 static struct platform_device vpif_display_dev = {
719 .name = "vpif_display",
720 .id = -1,
721 .dev = {
722 .dma_mask = &vpif_dma_mask,
723 .coherent_dma_mask = DMA_BIT_MASK(32),
724 },
725 .resource = vpif_display_resource,
726 .num_resources = ARRAY_SIZE(vpif_display_resource),
727 };
728
729 static struct resource vpif_capture_resource[] = {
730 {
731 .start = IRQ_DM646X_VP_VERTINT0,
732 .end = IRQ_DM646X_VP_VERTINT0,
733 .flags = IORESOURCE_IRQ,
734 },
735 {
736 .start = IRQ_DM646X_VP_VERTINT1,
737 .end = IRQ_DM646X_VP_VERTINT1,
738 .flags = IORESOURCE_IRQ,
739 },
740 };
741
742 static struct platform_device vpif_capture_dev = {
743 .name = "vpif_capture",
744 .id = -1,
745 .dev = {
746 .dma_mask = &vpif_dma_mask,
747 .coherent_dma_mask = DMA_BIT_MASK(32),
748 },
749 .resource = vpif_capture_resource,
750 .num_resources = ARRAY_SIZE(vpif_capture_resource),
751 };
752
753 static struct resource dm646x_gpio_resources[] = {
754 { /* registers */
755 .start = DAVINCI_GPIO_BASE,
756 .end = DAVINCI_GPIO_BASE + SZ_4K - 1,
757 .flags = IORESOURCE_MEM,
758 },
759 { /* interrupt */
760 .start = IRQ_DM646X_GPIOBNK0,
761 .end = IRQ_DM646X_GPIOBNK2,
762 .flags = IORESOURCE_IRQ,
763 },
764 };
765
766 static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
767 .ngpio = 43,
768 };
769
dm646x_gpio_register(void)770 int __init dm646x_gpio_register(void)
771 {
772 return davinci_gpio_register(dm646x_gpio_resources,
773 ARRAY_SIZE(dm646x_gpio_resources),
774 &dm646x_gpio_platform_data);
775 }
776 /*----------------------------------------------------------------------*/
777
778 static struct map_desc dm646x_io_desc[] = {
779 {
780 .virtual = IO_VIRT,
781 .pfn = __phys_to_pfn(IO_PHYS),
782 .length = IO_SIZE,
783 .type = MT_DEVICE
784 },
785 };
786
787 /* Contents of JTAG ID register used to identify exact cpu type */
788 static struct davinci_id dm646x_ids[] = {
789 {
790 .variant = 0x0,
791 .part_no = 0xb770,
792 .manufacturer = 0x017,
793 .cpu_id = DAVINCI_CPU_ID_DM6467,
794 .name = "dm6467_rev1.x",
795 },
796 {
797 .variant = 0x1,
798 .part_no = 0xb770,
799 .manufacturer = 0x017,
800 .cpu_id = DAVINCI_CPU_ID_DM6467,
801 .name = "dm6467_rev3.x",
802 },
803 };
804
805 static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
806
807 /*
808 * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
809 * T0_TOP: Timer 0, top : clocksource for generic timekeeping
810 * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
811 * T1_TOP: Timer 1, top : <unused>
812 */
813 static struct davinci_timer_info dm646x_timer_info = {
814 .timers = davinci_timer_instance,
815 .clockevent_id = T0_BOT,
816 .clocksource_id = T0_TOP,
817 };
818
819 static struct plat_serial8250_port dm646x_serial0_platform_data[] = {
820 {
821 .mapbase = DAVINCI_UART0_BASE,
822 .irq = IRQ_UARTINT0,
823 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
824 UPF_IOREMAP,
825 .iotype = UPIO_MEM32,
826 .regshift = 2,
827 },
828 {
829 .flags = 0,
830 }
831 };
832 static struct plat_serial8250_port dm646x_serial1_platform_data[] = {
833 {
834 .mapbase = DAVINCI_UART1_BASE,
835 .irq = IRQ_UARTINT1,
836 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
837 UPF_IOREMAP,
838 .iotype = UPIO_MEM32,
839 .regshift = 2,
840 },
841 {
842 .flags = 0,
843 }
844 };
845 static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
846 {
847 .mapbase = DAVINCI_UART2_BASE,
848 .irq = IRQ_DM646X_UARTINT2,
849 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
850 UPF_IOREMAP,
851 .iotype = UPIO_MEM32,
852 .regshift = 2,
853 },
854 {
855 .flags = 0,
856 }
857 };
858
859 struct platform_device dm646x_serial_device[] = {
860 {
861 .name = "serial8250",
862 .id = PLAT8250_DEV_PLATFORM,
863 .dev = {
864 .platform_data = dm646x_serial0_platform_data,
865 }
866 },
867 {
868 .name = "serial8250",
869 .id = PLAT8250_DEV_PLATFORM1,
870 .dev = {
871 .platform_data = dm646x_serial1_platform_data,
872 }
873 },
874 {
875 .name = "serial8250",
876 .id = PLAT8250_DEV_PLATFORM2,
877 .dev = {
878 .platform_data = dm646x_serial2_platform_data,
879 }
880 },
881 {
882 }
883 };
884
885 static struct davinci_soc_info davinci_soc_info_dm646x = {
886 .io_desc = dm646x_io_desc,
887 .io_desc_num = ARRAY_SIZE(dm646x_io_desc),
888 .jtag_id_reg = 0x01c40028,
889 .ids = dm646x_ids,
890 .ids_num = ARRAY_SIZE(dm646x_ids),
891 .cpu_clks = dm646x_clks,
892 .psc_bases = dm646x_psc_bases,
893 .psc_bases_num = ARRAY_SIZE(dm646x_psc_bases),
894 .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
895 .pinmux_pins = dm646x_pins,
896 .pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
897 .intc_base = DAVINCI_ARM_INTC_BASE,
898 .intc_type = DAVINCI_INTC_TYPE_AINTC,
899 .intc_irq_prios = dm646x_default_priorities,
900 .intc_irq_num = DAVINCI_N_AINTC_IRQ,
901 .timer_info = &dm646x_timer_info,
902 .emac_pdata = &dm646x_emac_pdata,
903 .sram_dma = 0x10010000,
904 .sram_len = SZ_32K,
905 };
906
dm646x_init_mcasp0(struct snd_platform_data * pdata)907 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
908 {
909 dm646x_mcasp0_device.dev.platform_data = pdata;
910 platform_device_register(&dm646x_mcasp0_device);
911 }
912
dm646x_init_mcasp1(struct snd_platform_data * pdata)913 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
914 {
915 dm646x_mcasp1_device.dev.platform_data = pdata;
916 platform_device_register(&dm646x_mcasp1_device);
917 platform_device_register(&dm646x_dit_device);
918 }
919
dm646x_setup_vpif(struct vpif_display_config * display_config,struct vpif_capture_config * capture_config)920 void dm646x_setup_vpif(struct vpif_display_config *display_config,
921 struct vpif_capture_config *capture_config)
922 {
923 unsigned int value;
924
925 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
926 value &= ~VSCLKDIS_MASK;
927 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
928
929 value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
930 value &= ~VDD3P3V_VID_MASK;
931 __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
932
933 davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
934 davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
935 davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
936 davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
937
938 vpif_display_dev.dev.platform_data = display_config;
939 vpif_capture_dev.dev.platform_data = capture_config;
940 platform_device_register(&vpif_dev);
941 platform_device_register(&vpif_display_dev);
942 platform_device_register(&vpif_capture_dev);
943 }
944
dm646x_init_edma(struct edma_rsv_info * rsv)945 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
946 {
947 struct platform_device *edma_pdev;
948
949 dm646x_edma_pdata.rsv = rsv;
950
951 edma_pdev = platform_device_register_full(&dm646x_edma_device);
952 return IS_ERR(edma_pdev) ? PTR_ERR(edma_pdev) : 0;
953 }
954
dm646x_init(void)955 void __init dm646x_init(void)
956 {
957 davinci_common_init(&davinci_soc_info_dm646x);
958 davinci_map_sysmod();
959 davinci_clk_init(davinci_soc_info_dm646x.cpu_clks);
960 }
961
dm646x_init_devices(void)962 static int __init dm646x_init_devices(void)
963 {
964 int ret = 0;
965
966 if (!cpu_is_davinci_dm646x())
967 return 0;
968
969 platform_device_register(&dm646x_mdio_device);
970 platform_device_register(&dm646x_emac_device);
971
972 ret = davinci_init_wdt();
973 if (ret)
974 pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
975
976 return ret;
977 }
978 postcore_initcall(dm646x_init_devices);
979