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Kevin Hilmane38d92f2009-04-29 17:44:58 -07001/*
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/kernel.h>
12#include <linux/init.h>
13#include <linux/clk.h>
Mark A. Greer65e866a2009-03-18 12:36:08 -050014#include <linux/serial_8250.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070015#include <linux/platform_device.h>
Mark A. Greera9949552009-04-15 12:40:35 -070016#include <linux/gpio.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070017
Mark A. Greer79c3c0b2009-04-15 12:38:58 -070018#include <asm/mach/map.h>
19
Kevin Hilmane38d92f2009-04-29 17:44:58 -070020#include <mach/dm646x.h>
21#include <mach/clock.h>
22#include <mach/cputype.h>
23#include <mach/edma.h>
24#include <mach/irqs.h>
25#include <mach/psc.h>
26#include <mach/mux.h>
Mark A. Greerf64691b2009-04-15 12:40:11 -070027#include <mach/time.h>
Mark A. Greer65e866a2009-03-18 12:36:08 -050028#include <mach/serial.h>
Mark A. Greer79c3c0b2009-04-15 12:38:58 -070029#include <mach/common.h>
Kevin Hilmane38d92f2009-04-29 17:44:58 -070030
31#include "clock.h"
32#include "mux.h"
33
34/*
35 * Device specific clocks
36 */
37#define DM646X_REF_FREQ 27000000
38#define DM646X_AUX_FREQ 24000000
39
40static struct pll_data pll1_data = {
41 .num = 1,
42 .phys_base = DAVINCI_PLL1_BASE,
43};
44
45static struct pll_data pll2_data = {
46 .num = 2,
47 .phys_base = DAVINCI_PLL2_BASE,
48};
49
50static struct clk ref_clk = {
51 .name = "ref_clk",
52 .rate = DM646X_REF_FREQ,
53};
54
55static struct clk aux_clkin = {
56 .name = "aux_clkin",
57 .rate = DM646X_AUX_FREQ,
58};
59
60static struct clk pll1_clk = {
61 .name = "pll1",
62 .parent = &ref_clk,
63 .pll_data = &pll1_data,
64 .flags = CLK_PLL,
65};
66
67static struct clk pll1_sysclk1 = {
68 .name = "pll1_sysclk1",
69 .parent = &pll1_clk,
70 .flags = CLK_PLL,
71 .div_reg = PLLDIV1,
72};
73
74static struct clk pll1_sysclk2 = {
75 .name = "pll1_sysclk2",
76 .parent = &pll1_clk,
77 .flags = CLK_PLL,
78 .div_reg = PLLDIV2,
79};
80
81static struct clk pll1_sysclk3 = {
82 .name = "pll1_sysclk3",
83 .parent = &pll1_clk,
84 .flags = CLK_PLL,
85 .div_reg = PLLDIV3,
86};
87
88static struct clk pll1_sysclk4 = {
89 .name = "pll1_sysclk4",
90 .parent = &pll1_clk,
91 .flags = CLK_PLL,
92 .div_reg = PLLDIV4,
93};
94
95static struct clk pll1_sysclk5 = {
96 .name = "pll1_sysclk5",
97 .parent = &pll1_clk,
98 .flags = CLK_PLL,
99 .div_reg = PLLDIV5,
100};
101
102static struct clk pll1_sysclk6 = {
103 .name = "pll1_sysclk6",
104 .parent = &pll1_clk,
105 .flags = CLK_PLL,
106 .div_reg = PLLDIV6,
107};
108
109static struct clk pll1_sysclk8 = {
110 .name = "pll1_sysclk8",
111 .parent = &pll1_clk,
112 .flags = CLK_PLL,
113 .div_reg = PLLDIV8,
114};
115
116static struct clk pll1_sysclk9 = {
117 .name = "pll1_sysclk9",
118 .parent = &pll1_clk,
119 .flags = CLK_PLL,
120 .div_reg = PLLDIV9,
121};
122
123static struct clk pll1_sysclkbp = {
124 .name = "pll1_sysclkbp",
125 .parent = &pll1_clk,
126 .flags = CLK_PLL | PRE_PLL,
127 .div_reg = BPDIV,
128};
129
130static struct clk pll1_aux_clk = {
131 .name = "pll1_aux_clk",
132 .parent = &pll1_clk,
133 .flags = CLK_PLL | PRE_PLL,
134};
135
136static struct clk pll2_clk = {
137 .name = "pll2_clk",
138 .parent = &ref_clk,
139 .pll_data = &pll2_data,
140 .flags = CLK_PLL,
141};
142
143static struct clk pll2_sysclk1 = {
144 .name = "pll2_sysclk1",
145 .parent = &pll2_clk,
146 .flags = CLK_PLL,
147 .div_reg = PLLDIV1,
148};
149
150static struct clk dsp_clk = {
151 .name = "dsp",
152 .parent = &pll1_sysclk1,
153 .lpsc = DM646X_LPSC_C64X_CPU,
154 .flags = PSC_DSP,
155 .usecount = 1, /* REVISIT how to disable? */
156};
157
158static struct clk arm_clk = {
159 .name = "arm",
160 .parent = &pll1_sysclk2,
161 .lpsc = DM646X_LPSC_ARM,
162 .flags = ALWAYS_ENABLED,
163};
164
Sudhakar Rajashekhara2bcb6132009-06-02 03:38:26 -0400165static struct clk edma_cc_clk = {
166 .name = "edma_cc",
167 .parent = &pll1_sysclk2,
168 .lpsc = DM646X_LPSC_TPCC,
169 .flags = ALWAYS_ENABLED,
170};
171
172static struct clk edma_tc0_clk = {
173 .name = "edma_tc0",
174 .parent = &pll1_sysclk2,
175 .lpsc = DM646X_LPSC_TPTC0,
176 .flags = ALWAYS_ENABLED,
177};
178
179static struct clk edma_tc1_clk = {
180 .name = "edma_tc1",
181 .parent = &pll1_sysclk2,
182 .lpsc = DM646X_LPSC_TPTC1,
183 .flags = ALWAYS_ENABLED,
184};
185
186static struct clk edma_tc2_clk = {
187 .name = "edma_tc2",
188 .parent = &pll1_sysclk2,
189 .lpsc = DM646X_LPSC_TPTC2,
190 .flags = ALWAYS_ENABLED,
191};
192
193static struct clk edma_tc3_clk = {
194 .name = "edma_tc3",
195 .parent = &pll1_sysclk2,
196 .lpsc = DM646X_LPSC_TPTC3,
197 .flags = ALWAYS_ENABLED,
198};
199
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700200static struct clk uart0_clk = {
201 .name = "uart0",
202 .parent = &aux_clkin,
203 .lpsc = DM646X_LPSC_UART0,
204};
205
206static struct clk uart1_clk = {
207 .name = "uart1",
208 .parent = &aux_clkin,
209 .lpsc = DM646X_LPSC_UART1,
210};
211
212static struct clk uart2_clk = {
213 .name = "uart2",
214 .parent = &aux_clkin,
215 .lpsc = DM646X_LPSC_UART2,
216};
217
218static struct clk i2c_clk = {
219 .name = "I2CCLK",
220 .parent = &pll1_sysclk3,
221 .lpsc = DM646X_LPSC_I2C,
222};
223
224static struct clk gpio_clk = {
225 .name = "gpio",
226 .parent = &pll1_sysclk3,
227 .lpsc = DM646X_LPSC_GPIO,
228};
229
Chaithrika U S75d0fa72009-05-28 05:09:21 -0400230static struct clk mcasp0_clk = {
231 .name = "mcasp0",
232 .parent = &pll1_sysclk3,
233 .lpsc = DM646X_LPSC_McASP0,
234};
235
236static struct clk mcasp1_clk = {
237 .name = "mcasp1",
238 .parent = &pll1_sysclk3,
239 .lpsc = DM646X_LPSC_McASP1,
240};
241
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700242static struct clk aemif_clk = {
243 .name = "aemif",
244 .parent = &pll1_sysclk3,
245 .lpsc = DM646X_LPSC_AEMIF,
246 .flags = ALWAYS_ENABLED,
247};
248
249static struct clk emac_clk = {
250 .name = "emac",
251 .parent = &pll1_sysclk3,
252 .lpsc = DM646X_LPSC_EMAC,
253};
254
255static struct clk pwm0_clk = {
256 .name = "pwm0",
257 .parent = &pll1_sysclk3,
258 .lpsc = DM646X_LPSC_PWM0,
259 .usecount = 1, /* REVIST: disabling hangs system */
260};
261
262static struct clk pwm1_clk = {
263 .name = "pwm1",
264 .parent = &pll1_sysclk3,
265 .lpsc = DM646X_LPSC_PWM1,
266 .usecount = 1, /* REVIST: disabling hangs system */
267};
268
269static struct clk timer0_clk = {
270 .name = "timer0",
271 .parent = &pll1_sysclk3,
272 .lpsc = DM646X_LPSC_TIMER0,
273};
274
275static struct clk timer1_clk = {
276 .name = "timer1",
277 .parent = &pll1_sysclk3,
278 .lpsc = DM646X_LPSC_TIMER1,
279};
280
281static struct clk timer2_clk = {
282 .name = "timer2",
283 .parent = &pll1_sysclk3,
284 .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
285};
286
287static struct clk vpif0_clk = {
288 .name = "vpif0",
289 .parent = &ref_clk,
290 .lpsc = DM646X_LPSC_VPSSMSTR,
291 .flags = ALWAYS_ENABLED,
292};
293
294static struct clk vpif1_clk = {
295 .name = "vpif1",
296 .parent = &ref_clk,
297 .lpsc = DM646X_LPSC_VPSSSLV,
298 .flags = ALWAYS_ENABLED,
299};
300
301struct davinci_clk dm646x_clks[] = {
302 CLK(NULL, "ref", &ref_clk),
303 CLK(NULL, "aux", &aux_clkin),
304 CLK(NULL, "pll1", &pll1_clk),
305 CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
306 CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
307 CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
308 CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
309 CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
310 CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
311 CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
312 CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
313 CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
314 CLK(NULL, "pll1_aux", &pll1_aux_clk),
315 CLK(NULL, "pll2", &pll2_clk),
316 CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
317 CLK(NULL, "dsp", &dsp_clk),
318 CLK(NULL, "arm", &arm_clk),
Sudhakar Rajashekhara2bcb6132009-06-02 03:38:26 -0400319 CLK(NULL, "edma_cc", &edma_cc_clk),
320 CLK(NULL, "edma_tc0", &edma_tc0_clk),
321 CLK(NULL, "edma_tc1", &edma_tc1_clk),
322 CLK(NULL, "edma_tc2", &edma_tc2_clk),
323 CLK(NULL, "edma_tc3", &edma_tc3_clk),
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700324 CLK(NULL, "uart0", &uart0_clk),
325 CLK(NULL, "uart1", &uart1_clk),
326 CLK(NULL, "uart2", &uart2_clk),
327 CLK("i2c_davinci.1", NULL, &i2c_clk),
328 CLK(NULL, "gpio", &gpio_clk),
Chaithrika U S75d0fa72009-05-28 05:09:21 -0400329 CLK(NULL, "mcasp0", &mcasp0_clk),
330 CLK(NULL, "mcasp1", &mcasp1_clk),
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700331 CLK(NULL, "aemif", &aemif_clk),
332 CLK("davinci_emac.1", NULL, &emac_clk),
333 CLK(NULL, "pwm0", &pwm0_clk),
334 CLK(NULL, "pwm1", &pwm1_clk),
335 CLK(NULL, "timer0", &timer0_clk),
336 CLK(NULL, "timer1", &timer1_clk),
337 CLK("watchdog", NULL, &timer2_clk),
338 CLK(NULL, "vpif0", &vpif0_clk),
339 CLK(NULL, "vpif1", &vpif1_clk),
340 CLK(NULL, NULL, NULL),
341};
342
Mark A. Greer972412b2009-04-15 12:40:56 -0700343static struct emac_platform_data dm646x_emac_pdata = {
344 .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
345 .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
346 .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
347 .mdio_reg_offset = DM646X_EMAC_MDIO_OFFSET,
348 .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
349 .version = EMAC_VERSION_2,
350};
351
Kevin Hilmanac7b75b2009-05-07 06:19:40 -0700352static struct resource dm646x_emac_resources[] = {
353 {
354 .start = DM646X_EMAC_BASE,
355 .end = DM646X_EMAC_BASE + 0x47ff,
356 .flags = IORESOURCE_MEM,
357 },
358 {
359 .start = IRQ_DM646X_EMACRXTHINT,
360 .end = IRQ_DM646X_EMACRXTHINT,
361 .flags = IORESOURCE_IRQ,
362 },
363 {
364 .start = IRQ_DM646X_EMACRXINT,
365 .end = IRQ_DM646X_EMACRXINT,
366 .flags = IORESOURCE_IRQ,
367 },
368 {
369 .start = IRQ_DM646X_EMACTXINT,
370 .end = IRQ_DM646X_EMACTXINT,
371 .flags = IORESOURCE_IRQ,
372 },
373 {
374 .start = IRQ_DM646X_EMACMISCINT,
375 .end = IRQ_DM646X_EMACMISCINT,
376 .flags = IORESOURCE_IRQ,
377 },
378};
379
380static struct platform_device dm646x_emac_device = {
381 .name = "davinci_emac",
382 .id = 1,
Mark A. Greer972412b2009-04-15 12:40:56 -0700383 .dev = {
384 .platform_data = &dm646x_emac_pdata,
385 },
Kevin Hilmanac7b75b2009-05-07 06:19:40 -0700386 .num_resources = ARRAY_SIZE(dm646x_emac_resources),
387 .resource = dm646x_emac_resources,
388};
389
Mark A. Greer55700782009-04-15 12:42:06 -0700390#define PINMUX0 0x00
391#define PINMUX1 0x04
392
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700393/*
394 * Device specific mux setup
395 *
396 * soc description mux mode mode mux dbg
397 * reg offset mask mode
398 */
399static const struct mux_config dm646x_pins[] = {
Mark A. Greer0e585952009-04-15 12:39:48 -0700400#ifdef CONFIG_DAVINCI_MUX
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700401MUX_CFG(DM646X, ATAEN, 0, 0, 1, 1, true)
402
403MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
404
405MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
406
407MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
408
409MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
410
411MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
412
413MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
414
415MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
416
417MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
418
419MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
420
421MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
422
423MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
424
425MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
426
427MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
Mark A. Greer0e585952009-04-15 12:39:48 -0700428#endif
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700429};
430
Mark A. Greer673dd362009-04-15 12:40:00 -0700431static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
432 [IRQ_DM646X_VP_VERTINT0] = 7,
433 [IRQ_DM646X_VP_VERTINT1] = 7,
434 [IRQ_DM646X_VP_VERTINT2] = 7,
435 [IRQ_DM646X_VP_VERTINT3] = 7,
436 [IRQ_DM646X_VP_ERRINT] = 7,
437 [IRQ_DM646X_RESERVED_1] = 7,
438 [IRQ_DM646X_RESERVED_2] = 7,
439 [IRQ_DM646X_WDINT] = 7,
440 [IRQ_DM646X_CRGENINT0] = 7,
441 [IRQ_DM646X_CRGENINT1] = 7,
442 [IRQ_DM646X_TSIFINT0] = 7,
443 [IRQ_DM646X_TSIFINT1] = 7,
444 [IRQ_DM646X_VDCEINT] = 7,
445 [IRQ_DM646X_USBINT] = 7,
446 [IRQ_DM646X_USBDMAINT] = 7,
447 [IRQ_DM646X_PCIINT] = 7,
448 [IRQ_CCINT0] = 7, /* dma */
449 [IRQ_CCERRINT] = 7, /* dma */
450 [IRQ_TCERRINT0] = 7, /* dma */
451 [IRQ_TCERRINT] = 7, /* dma */
452 [IRQ_DM646X_TCERRINT2] = 7,
453 [IRQ_DM646X_TCERRINT3] = 7,
454 [IRQ_DM646X_IDE] = 7,
455 [IRQ_DM646X_HPIINT] = 7,
456 [IRQ_DM646X_EMACRXTHINT] = 7,
457 [IRQ_DM646X_EMACRXINT] = 7,
458 [IRQ_DM646X_EMACTXINT] = 7,
459 [IRQ_DM646X_EMACMISCINT] = 7,
460 [IRQ_DM646X_MCASP0TXINT] = 7,
461 [IRQ_DM646X_MCASP0RXINT] = 7,
462 [IRQ_AEMIFINT] = 7,
463 [IRQ_DM646X_RESERVED_3] = 7,
464 [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */
465 [IRQ_TINT0_TINT34] = 7, /* 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_DM646X_VLQINT] = 7,
471 [IRQ_I2C] = 7,
472 [IRQ_UARTINT0] = 7,
473 [IRQ_UARTINT1] = 7,
474 [IRQ_DM646X_UARTINT2] = 7,
475 [IRQ_DM646X_SPINT0] = 7,
476 [IRQ_DM646X_SPINT1] = 7,
477 [IRQ_DM646X_DSP2ARMINT] = 7,
478 [IRQ_DM646X_RESERVED_4] = 7,
479 [IRQ_DM646X_PSCINT] = 7,
480 [IRQ_DM646X_GPIO0] = 7,
481 [IRQ_DM646X_GPIO1] = 7,
482 [IRQ_DM646X_GPIO2] = 7,
483 [IRQ_DM646X_GPIO3] = 7,
484 [IRQ_DM646X_GPIO4] = 7,
485 [IRQ_DM646X_GPIO5] = 7,
486 [IRQ_DM646X_GPIO6] = 7,
487 [IRQ_DM646X_GPIO7] = 7,
488 [IRQ_DM646X_GPIOBNK0] = 7,
489 [IRQ_DM646X_GPIOBNK1] = 7,
490 [IRQ_DM646X_GPIOBNK2] = 7,
491 [IRQ_DM646X_DDRINT] = 7,
492 [IRQ_DM646X_AEMIFINT] = 7,
493 [IRQ_COMMTX] = 7,
494 [IRQ_COMMRX] = 7,
495 [IRQ_EMUINT] = 7,
496};
497
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700498/*----------------------------------------------------------------------*/
499
500static const s8 dma_chan_dm646x_no_event[] = {
501 0, 1, 2, 3, 13,
502 14, 15, 24, 25, 26,
503 27, 30, 31, 54, 55,
504 56,
505 -1
506};
507
Sudhakar Rajashekhara60902a22009-05-21 07:41:35 -0400508/* Four Transfer Controllers on DM646x */
509static const s8
510dm646x_queue_tc_mapping[][2] = {
511 /* {event queue no, TC no} */
512 {0, 0},
513 {1, 1},
514 {2, 2},
515 {3, 3},
516 {-1, -1},
517};
518
519static const s8
520dm646x_queue_priority_mapping[][2] = {
521 /* {event queue no, Priority} */
522 {0, 4},
523 {1, 0},
524 {2, 5},
525 {3, 1},
526 {-1, -1},
527};
528
529static struct edma_soc_info dm646x_edma_info[] = {
530 {
531 .n_channel = 64,
532 .n_region = 6, /* 0-1, 4-7 */
533 .n_slot = 512,
534 .n_tc = 4,
535 .n_cc = 1,
536 .noevent = dma_chan_dm646x_no_event,
537 .queue_tc_mapping = dm646x_queue_tc_mapping,
538 .queue_priority_mapping = dm646x_queue_priority_mapping,
539 },
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700540};
541
542static struct resource edma_resources[] = {
543 {
Sudhakar Rajashekhara60902a22009-05-21 07:41:35 -0400544 .name = "edma_cc0",
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700545 .start = 0x01c00000,
546 .end = 0x01c00000 + SZ_64K - 1,
547 .flags = IORESOURCE_MEM,
548 },
549 {
550 .name = "edma_tc0",
551 .start = 0x01c10000,
552 .end = 0x01c10000 + SZ_1K - 1,
553 .flags = IORESOURCE_MEM,
554 },
555 {
556 .name = "edma_tc1",
557 .start = 0x01c10400,
558 .end = 0x01c10400 + SZ_1K - 1,
559 .flags = IORESOURCE_MEM,
560 },
561 {
562 .name = "edma_tc2",
563 .start = 0x01c10800,
564 .end = 0x01c10800 + SZ_1K - 1,
565 .flags = IORESOURCE_MEM,
566 },
567 {
568 .name = "edma_tc3",
569 .start = 0x01c10c00,
570 .end = 0x01c10c00 + SZ_1K - 1,
571 .flags = IORESOURCE_MEM,
572 },
573 {
Sudhakar Rajashekhara60902a22009-05-21 07:41:35 -0400574 .name = "edma0",
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700575 .start = IRQ_CCINT0,
576 .flags = IORESOURCE_IRQ,
577 },
578 {
Sudhakar Rajashekhara60902a22009-05-21 07:41:35 -0400579 .name = "edma0_err",
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700580 .start = IRQ_CCERRINT,
581 .flags = IORESOURCE_IRQ,
582 },
583 /* not using TC*_ERR */
584};
585
586static struct platform_device dm646x_edma_device = {
587 .name = "edma",
Sudhakar Rajashekhara60902a22009-05-21 07:41:35 -0400588 .id = 0,
589 .dev.platform_data = dm646x_edma_info,
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700590 .num_resources = ARRAY_SIZE(edma_resources),
591 .resource = edma_resources,
592};
593
594/*----------------------------------------------------------------------*/
595
Mark A. Greer79c3c0b2009-04-15 12:38:58 -0700596static struct map_desc dm646x_io_desc[] = {
597 {
598 .virtual = IO_VIRT,
599 .pfn = __phys_to_pfn(IO_PHYS),
600 .length = IO_SIZE,
601 .type = MT_DEVICE
602 },
David Brownell0d04eb42009-04-30 17:35:48 -0700603 {
604 .virtual = SRAM_VIRT,
605 .pfn = __phys_to_pfn(0x00010000),
606 .length = SZ_32K,
607 /* MT_MEMORY_NONCACHED requires supersection alignment */
608 .type = MT_DEVICE,
609 },
Mark A. Greer79c3c0b2009-04-15 12:38:58 -0700610};
611
Mark A. Greerb9ab1272009-04-15 12:39:09 -0700612/* Contents of JTAG ID register used to identify exact cpu type */
613static struct davinci_id dm646x_ids[] = {
614 {
615 .variant = 0x0,
616 .part_no = 0xb770,
617 .manufacturer = 0x017,
618 .cpu_id = DAVINCI_CPU_ID_DM6467,
619 .name = "dm6467",
620 },
621};
622
Mark A. Greerd81d1882009-04-15 12:39:33 -0700623static void __iomem *dm646x_psc_bases[] = {
624 IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
625};
626
Mark A. Greerf64691b2009-04-15 12:40:11 -0700627/*
628 * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
629 * T0_TOP: Timer 0, top : clocksource for generic timekeeping
630 * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
631 * T1_TOP: Timer 1, top : <unused>
632 */
633struct davinci_timer_info dm646x_timer_info = {
634 .timers = davinci_timer_instance,
635 .clockevent_id = T0_BOT,
636 .clocksource_id = T0_TOP,
637};
638
Mark A. Greer65e866a2009-03-18 12:36:08 -0500639static struct plat_serial8250_port dm646x_serial_platform_data[] = {
640 {
641 .mapbase = DAVINCI_UART0_BASE,
642 .irq = IRQ_UARTINT0,
643 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
644 UPF_IOREMAP,
645 .iotype = UPIO_MEM32,
646 .regshift = 2,
647 },
648 {
649 .mapbase = DAVINCI_UART1_BASE,
650 .irq = IRQ_UARTINT1,
651 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
652 UPF_IOREMAP,
653 .iotype = UPIO_MEM32,
654 .regshift = 2,
655 },
656 {
657 .mapbase = DAVINCI_UART2_BASE,
658 .irq = IRQ_DM646X_UARTINT2,
659 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
660 UPF_IOREMAP,
661 .iotype = UPIO_MEM32,
662 .regshift = 2,
663 },
664 {
665 .flags = 0
666 },
667};
668
669static struct platform_device dm646x_serial_device = {
670 .name = "serial8250",
671 .id = PLAT8250_DEV_PLATFORM,
672 .dev = {
673 .platform_data = dm646x_serial_platform_data,
674 },
675};
676
Mark A. Greer79c3c0b2009-04-15 12:38:58 -0700677static struct davinci_soc_info davinci_soc_info_dm646x = {
678 .io_desc = dm646x_io_desc,
679 .io_desc_num = ARRAY_SIZE(dm646x_io_desc),
Mark A. Greerb9ab1272009-04-15 12:39:09 -0700680 .jtag_id_base = IO_ADDRESS(0x01c40028),
681 .ids = dm646x_ids,
682 .ids_num = ARRAY_SIZE(dm646x_ids),
Mark A. Greer66e0c392009-04-15 12:39:23 -0700683 .cpu_clks = dm646x_clks,
Mark A. Greerd81d1882009-04-15 12:39:33 -0700684 .psc_bases = dm646x_psc_bases,
685 .psc_bases_num = ARRAY_SIZE(dm646x_psc_bases),
Mark A. Greer0e585952009-04-15 12:39:48 -0700686 .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
687 .pinmux_pins = dm646x_pins,
688 .pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
Mark A. Greer673dd362009-04-15 12:40:00 -0700689 .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
690 .intc_type = DAVINCI_INTC_TYPE_AINTC,
691 .intc_irq_prios = dm646x_default_priorities,
692 .intc_irq_num = DAVINCI_N_AINTC_IRQ,
Mark A. Greerf64691b2009-04-15 12:40:11 -0700693 .timer_info = &dm646x_timer_info,
Mark A. Greer951d6f62009-04-15 12:40:21 -0700694 .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
Mark A. Greera9949552009-04-15 12:40:35 -0700695 .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
696 .gpio_num = 43, /* Only 33 usable */
697 .gpio_irq = IRQ_DM646X_GPIOBNK0,
Mark A. Greer65e866a2009-03-18 12:36:08 -0500698 .serial_dev = &dm646x_serial_device,
Mark A. Greer972412b2009-04-15 12:40:56 -0700699 .emac_pdata = &dm646x_emac_pdata,
David Brownell0d04eb42009-04-30 17:35:48 -0700700 .sram_dma = 0x10010000,
701 .sram_len = SZ_32K,
Mark A. Greer79c3c0b2009-04-15 12:38:58 -0700702};
703
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700704void __init dm646x_init(void)
705{
Mark A. Greer79c3c0b2009-04-15 12:38:58 -0700706 davinci_common_init(&davinci_soc_info_dm646x);
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700707}
708
709static int __init dm646x_init_devices(void)
710{
711 if (!cpu_is_davinci_dm646x())
712 return 0;
713
714 platform_device_register(&dm646x_edma_device);
Mark A. Greer972412b2009-04-15 12:40:56 -0700715 platform_device_register(&dm646x_emac_device);
Kevin Hilmane38d92f2009-04-29 17:44:58 -0700716 return 0;
717}
718postcore_initcall(dm646x_init_devices);