Merge commit 'v2.6.36' into kbuild/misc
[pandora-kernel.git] / arch / arm / mach-davinci / dm646x.c
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 #include <linux/gpio.h>
16
17 #include <asm/mach/map.h>
18
19 #include <mach/dm646x.h>
20 #include <mach/cputype.h>
21 #include <mach/edma.h>
22 #include <mach/irqs.h>
23 #include <mach/psc.h>
24 #include <mach/mux.h>
25 #include <mach/time.h>
26 #include <mach/serial.h>
27 #include <mach/common.h>
28 #include <mach/asp.h>
29
30 #include "clock.h"
31 #include "mux.h"
32
33 #define DAVINCI_VPIF_BASE       (0x01C12000)
34 #define VDD3P3V_PWDN_OFFSET     (0x48)
35 #define VSCLKDIS_OFFSET         (0x6C)
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_AUX_FREQ         24000000
46
47 static struct pll_data pll1_data = {
48         .num       = 1,
49         .phys_base = DAVINCI_PLL1_BASE,
50 };
51
52 static struct pll_data pll2_data = {
53         .num       = 2,
54         .phys_base = DAVINCI_PLL2_BASE,
55 };
56
57 static struct clk ref_clk = {
58         .name = "ref_clk",
59 };
60
61 static struct clk aux_clkin = {
62         .name = "aux_clkin",
63         .rate = DM646X_AUX_FREQ,
64 };
65
66 static struct clk pll1_clk = {
67         .name = "pll1",
68         .parent = &ref_clk,
69         .pll_data = &pll1_data,
70         .flags = CLK_PLL,
71 };
72
73 static struct clk pll1_sysclk1 = {
74         .name = "pll1_sysclk1",
75         .parent = &pll1_clk,
76         .flags = CLK_PLL,
77         .div_reg = PLLDIV1,
78 };
79
80 static struct clk pll1_sysclk2 = {
81         .name = "pll1_sysclk2",
82         .parent = &pll1_clk,
83         .flags = CLK_PLL,
84         .div_reg = PLLDIV2,
85 };
86
87 static struct clk pll1_sysclk3 = {
88         .name = "pll1_sysclk3",
89         .parent = &pll1_clk,
90         .flags = CLK_PLL,
91         .div_reg = PLLDIV3,
92 };
93
94 static struct clk pll1_sysclk4 = {
95         .name = "pll1_sysclk4",
96         .parent = &pll1_clk,
97         .flags = CLK_PLL,
98         .div_reg = PLLDIV4,
99 };
100
101 static struct clk pll1_sysclk5 = {
102         .name = "pll1_sysclk5",
103         .parent = &pll1_clk,
104         .flags = CLK_PLL,
105         .div_reg = PLLDIV5,
106 };
107
108 static struct clk pll1_sysclk6 = {
109         .name = "pll1_sysclk6",
110         .parent = &pll1_clk,
111         .flags = CLK_PLL,
112         .div_reg = PLLDIV6,
113 };
114
115 static struct clk pll1_sysclk8 = {
116         .name = "pll1_sysclk8",
117         .parent = &pll1_clk,
118         .flags = CLK_PLL,
119         .div_reg = PLLDIV8,
120 };
121
122 static struct clk pll1_sysclk9 = {
123         .name = "pll1_sysclk9",
124         .parent = &pll1_clk,
125         .flags = CLK_PLL,
126         .div_reg = PLLDIV9,
127 };
128
129 static struct clk pll1_sysclkbp = {
130         .name = "pll1_sysclkbp",
131         .parent = &pll1_clk,
132         .flags = CLK_PLL | PRE_PLL,
133         .div_reg = BPDIV,
134 };
135
136 static struct clk pll1_aux_clk = {
137         .name = "pll1_aux_clk",
138         .parent = &pll1_clk,
139         .flags = CLK_PLL | PRE_PLL,
140 };
141
142 static struct clk pll2_clk = {
143         .name = "pll2_clk",
144         .parent = &ref_clk,
145         .pll_data = &pll2_data,
146         .flags = CLK_PLL,
147 };
148
149 static struct clk pll2_sysclk1 = {
150         .name = "pll2_sysclk1",
151         .parent = &pll2_clk,
152         .flags = CLK_PLL,
153         .div_reg = PLLDIV1,
154 };
155
156 static struct clk dsp_clk = {
157         .name = "dsp",
158         .parent = &pll1_sysclk1,
159         .lpsc = DM646X_LPSC_C64X_CPU,
160         .flags = PSC_DSP,
161         .usecount = 1,                  /* REVISIT how to disable? */
162 };
163
164 static struct clk arm_clk = {
165         .name = "arm",
166         .parent = &pll1_sysclk2,
167         .lpsc = DM646X_LPSC_ARM,
168         .flags = ALWAYS_ENABLED,
169 };
170
171 static struct clk edma_cc_clk = {
172         .name = "edma_cc",
173         .parent = &pll1_sysclk2,
174         .lpsc = DM646X_LPSC_TPCC,
175         .flags = ALWAYS_ENABLED,
176 };
177
178 static struct clk edma_tc0_clk = {
179         .name = "edma_tc0",
180         .parent = &pll1_sysclk2,
181         .lpsc = DM646X_LPSC_TPTC0,
182         .flags = ALWAYS_ENABLED,
183 };
184
185 static struct clk edma_tc1_clk = {
186         .name = "edma_tc1",
187         .parent = &pll1_sysclk2,
188         .lpsc = DM646X_LPSC_TPTC1,
189         .flags = ALWAYS_ENABLED,
190 };
191
192 static struct clk edma_tc2_clk = {
193         .name = "edma_tc2",
194         .parent = &pll1_sysclk2,
195         .lpsc = DM646X_LPSC_TPTC2,
196         .flags = ALWAYS_ENABLED,
197 };
198
199 static struct clk edma_tc3_clk = {
200         .name = "edma_tc3",
201         .parent = &pll1_sysclk2,
202         .lpsc = DM646X_LPSC_TPTC3,
203         .flags = ALWAYS_ENABLED,
204 };
205
206 static struct clk uart0_clk = {
207         .name = "uart0",
208         .parent = &aux_clkin,
209         .lpsc = DM646X_LPSC_UART0,
210 };
211
212 static struct clk uart1_clk = {
213         .name = "uart1",
214         .parent = &aux_clkin,
215         .lpsc = DM646X_LPSC_UART1,
216 };
217
218 static struct clk uart2_clk = {
219         .name = "uart2",
220         .parent = &aux_clkin,
221         .lpsc = DM646X_LPSC_UART2,
222 };
223
224 static struct clk i2c_clk = {
225         .name = "I2CCLK",
226         .parent = &pll1_sysclk3,
227         .lpsc = DM646X_LPSC_I2C,
228 };
229
230 static struct clk gpio_clk = {
231         .name = "gpio",
232         .parent = &pll1_sysclk3,
233         .lpsc = DM646X_LPSC_GPIO,
234 };
235
236 static struct clk mcasp0_clk = {
237         .name = "mcasp0",
238         .parent = &pll1_sysclk3,
239         .lpsc = DM646X_LPSC_McASP0,
240 };
241
242 static struct clk mcasp1_clk = {
243         .name = "mcasp1",
244         .parent = &pll1_sysclk3,
245         .lpsc = DM646X_LPSC_McASP1,
246 };
247
248 static struct clk aemif_clk = {
249         .name = "aemif",
250         .parent = &pll1_sysclk3,
251         .lpsc = DM646X_LPSC_AEMIF,
252         .flags = ALWAYS_ENABLED,
253 };
254
255 static struct clk emac_clk = {
256         .name = "emac",
257         .parent = &pll1_sysclk3,
258         .lpsc = DM646X_LPSC_EMAC,
259 };
260
261 static struct clk pwm0_clk = {
262         .name = "pwm0",
263         .parent = &pll1_sysclk3,
264         .lpsc = DM646X_LPSC_PWM0,
265         .usecount = 1,            /* REVIST: disabling hangs system */
266 };
267
268 static struct clk pwm1_clk = {
269         .name = "pwm1",
270         .parent = &pll1_sysclk3,
271         .lpsc = DM646X_LPSC_PWM1,
272         .usecount = 1,            /* REVIST: disabling hangs system */
273 };
274
275 static struct clk timer0_clk = {
276         .name = "timer0",
277         .parent = &pll1_sysclk3,
278         .lpsc = DM646X_LPSC_TIMER0,
279 };
280
281 static struct clk timer1_clk = {
282         .name = "timer1",
283         .parent = &pll1_sysclk3,
284         .lpsc = DM646X_LPSC_TIMER1,
285 };
286
287 static struct clk timer2_clk = {
288         .name = "timer2",
289         .parent = &pll1_sysclk3,
290         .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
291 };
292
293
294 static struct clk ide_clk = {
295         .name = "ide",
296         .parent = &pll1_sysclk4,
297         .lpsc = DAVINCI_LPSC_ATA,
298 };
299
300 static struct clk vpif0_clk = {
301         .name = "vpif0",
302         .parent = &ref_clk,
303         .lpsc = DM646X_LPSC_VPSSMSTR,
304         .flags = ALWAYS_ENABLED,
305 };
306
307 static struct clk vpif1_clk = {
308         .name = "vpif1",
309         .parent = &ref_clk,
310         .lpsc = DM646X_LPSC_VPSSSLV,
311         .flags = ALWAYS_ENABLED,
312 };
313
314 static struct clk_lookup dm646x_clks[] = {
315         CLK(NULL, "ref", &ref_clk),
316         CLK(NULL, "aux", &aux_clkin),
317         CLK(NULL, "pll1", &pll1_clk),
318         CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
319         CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
320         CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
321         CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
322         CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
323         CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
324         CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
325         CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
326         CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
327         CLK(NULL, "pll1_aux", &pll1_aux_clk),
328         CLK(NULL, "pll2", &pll2_clk),
329         CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
330         CLK(NULL, "dsp", &dsp_clk),
331         CLK(NULL, "arm", &arm_clk),
332         CLK(NULL, "edma_cc", &edma_cc_clk),
333         CLK(NULL, "edma_tc0", &edma_tc0_clk),
334         CLK(NULL, "edma_tc1", &edma_tc1_clk),
335         CLK(NULL, "edma_tc2", &edma_tc2_clk),
336         CLK(NULL, "edma_tc3", &edma_tc3_clk),
337         CLK(NULL, "uart0", &uart0_clk),
338         CLK(NULL, "uart1", &uart1_clk),
339         CLK(NULL, "uart2", &uart2_clk),
340         CLK("i2c_davinci.1", NULL, &i2c_clk),
341         CLK(NULL, "gpio", &gpio_clk),
342         CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
343         CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
344         CLK(NULL, "aemif", &aemif_clk),
345         CLK("davinci_emac.1", NULL, &emac_clk),
346         CLK(NULL, "pwm0", &pwm0_clk),
347         CLK(NULL, "pwm1", &pwm1_clk),
348         CLK(NULL, "timer0", &timer0_clk),
349         CLK(NULL, "timer1", &timer1_clk),
350         CLK("watchdog", NULL, &timer2_clk),
351         CLK("palm_bk3710", NULL, &ide_clk),
352         CLK(NULL, "vpif0", &vpif0_clk),
353         CLK(NULL, "vpif1", &vpif1_clk),
354         CLK(NULL, NULL, NULL),
355 };
356
357 static struct emac_platform_data dm646x_emac_pdata = {
358         .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
359         .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
360         .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
361         .mdio_reg_offset        = DM646X_EMAC_MDIO_OFFSET,
362         .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
363         .version                = EMAC_VERSION_2,
364 };
365
366 static struct resource dm646x_emac_resources[] = {
367         {
368                 .start  = DM646X_EMAC_BASE,
369                 .end    = DM646X_EMAC_BASE + 0x47ff,
370                 .flags  = IORESOURCE_MEM,
371         },
372         {
373                 .start  = IRQ_DM646X_EMACRXTHINT,
374                 .end    = IRQ_DM646X_EMACRXTHINT,
375                 .flags  = IORESOURCE_IRQ,
376         },
377         {
378                 .start  = IRQ_DM646X_EMACRXINT,
379                 .end    = IRQ_DM646X_EMACRXINT,
380                 .flags  = IORESOURCE_IRQ,
381         },
382         {
383                 .start  = IRQ_DM646X_EMACTXINT,
384                 .end    = IRQ_DM646X_EMACTXINT,
385                 .flags  = IORESOURCE_IRQ,
386         },
387         {
388                 .start  = IRQ_DM646X_EMACMISCINT,
389                 .end    = IRQ_DM646X_EMACMISCINT,
390                 .flags  = IORESOURCE_IRQ,
391         },
392 };
393
394 static struct platform_device dm646x_emac_device = {
395         .name           = "davinci_emac",
396         .id             = 1,
397         .dev = {
398                 .platform_data  = &dm646x_emac_pdata,
399         },
400         .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
401         .resource       = dm646x_emac_resources,
402 };
403
404 /*
405  * Device specific mux setup
406  *
407  *      soc     description     mux  mode   mode  mux    dbg
408  *                              reg  offset mask  mode
409  */
410 static const struct mux_config dm646x_pins[] = {
411 #ifdef CONFIG_DAVINCI_MUX
412 MUX_CFG(DM646X, ATAEN,          0,   0,     5,    1,     true)
413
414 MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
415
416 MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
417
418 MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
419
420 MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
421
422 MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
423
424 MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
425
426 MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
427
428 MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
429
430 MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
431
432 MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
433
434 MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
435
436 MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
437
438 MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
439 #endif
440 };
441
442 static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
443         [IRQ_DM646X_VP_VERTINT0]        = 7,
444         [IRQ_DM646X_VP_VERTINT1]        = 7,
445         [IRQ_DM646X_VP_VERTINT2]        = 7,
446         [IRQ_DM646X_VP_VERTINT3]        = 7,
447         [IRQ_DM646X_VP_ERRINT]          = 7,
448         [IRQ_DM646X_RESERVED_1]         = 7,
449         [IRQ_DM646X_RESERVED_2]         = 7,
450         [IRQ_DM646X_WDINT]              = 7,
451         [IRQ_DM646X_CRGENINT0]          = 7,
452         [IRQ_DM646X_CRGENINT1]          = 7,
453         [IRQ_DM646X_TSIFINT0]           = 7,
454         [IRQ_DM646X_TSIFINT1]           = 7,
455         [IRQ_DM646X_VDCEINT]            = 7,
456         [IRQ_DM646X_USBINT]             = 7,
457         [IRQ_DM646X_USBDMAINT]          = 7,
458         [IRQ_DM646X_PCIINT]             = 7,
459         [IRQ_CCINT0]                    = 7,    /* dma */
460         [IRQ_CCERRINT]                  = 7,    /* dma */
461         [IRQ_TCERRINT0]                 = 7,    /* dma */
462         [IRQ_TCERRINT]                  = 7,    /* dma */
463         [IRQ_DM646X_TCERRINT2]          = 7,
464         [IRQ_DM646X_TCERRINT3]          = 7,
465         [IRQ_DM646X_IDE]                = 7,
466         [IRQ_DM646X_HPIINT]             = 7,
467         [IRQ_DM646X_EMACRXTHINT]        = 7,
468         [IRQ_DM646X_EMACRXINT]          = 7,
469         [IRQ_DM646X_EMACTXINT]          = 7,
470         [IRQ_DM646X_EMACMISCINT]        = 7,
471         [IRQ_DM646X_MCASP0TXINT]        = 7,
472         [IRQ_DM646X_MCASP0RXINT]        = 7,
473         [IRQ_AEMIFINT]                  = 7,
474         [IRQ_DM646X_RESERVED_3]         = 7,
475         [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
476         [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
477         [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
478         [IRQ_TINT1_TINT34]              = 7,    /* system tick */
479         [IRQ_PWMINT0]                   = 7,
480         [IRQ_PWMINT1]                   = 7,
481         [IRQ_DM646X_VLQINT]             = 7,
482         [IRQ_I2C]                       = 7,
483         [IRQ_UARTINT0]                  = 7,
484         [IRQ_UARTINT1]                  = 7,
485         [IRQ_DM646X_UARTINT2]           = 7,
486         [IRQ_DM646X_SPINT0]             = 7,
487         [IRQ_DM646X_SPINT1]             = 7,
488         [IRQ_DM646X_DSP2ARMINT]         = 7,
489         [IRQ_DM646X_RESERVED_4]         = 7,
490         [IRQ_DM646X_PSCINT]             = 7,
491         [IRQ_DM646X_GPIO0]              = 7,
492         [IRQ_DM646X_GPIO1]              = 7,
493         [IRQ_DM646X_GPIO2]              = 7,
494         [IRQ_DM646X_GPIO3]              = 7,
495         [IRQ_DM646X_GPIO4]              = 7,
496         [IRQ_DM646X_GPIO5]              = 7,
497         [IRQ_DM646X_GPIO6]              = 7,
498         [IRQ_DM646X_GPIO7]              = 7,
499         [IRQ_DM646X_GPIOBNK0]           = 7,
500         [IRQ_DM646X_GPIOBNK1]           = 7,
501         [IRQ_DM646X_GPIOBNK2]           = 7,
502         [IRQ_DM646X_DDRINT]             = 7,
503         [IRQ_DM646X_AEMIFINT]           = 7,
504         [IRQ_COMMTX]                    = 7,
505         [IRQ_COMMRX]                    = 7,
506         [IRQ_EMUINT]                    = 7,
507 };
508
509 /*----------------------------------------------------------------------*/
510
511 /* Four Transfer Controllers on DM646x */
512 static const s8
513 dm646x_queue_tc_mapping[][2] = {
514         /* {event queue no, TC no} */
515         {0, 0},
516         {1, 1},
517         {2, 2},
518         {3, 3},
519         {-1, -1},
520 };
521
522 static const s8
523 dm646x_queue_priority_mapping[][2] = {
524         /* {event queue no, Priority} */
525         {0, 4},
526         {1, 0},
527         {2, 5},
528         {3, 1},
529         {-1, -1},
530 };
531
532 static struct edma_soc_info edma_cc0_info = {
533         .n_channel              = 64,
534         .n_region               = 6,    /* 0-1, 4-7 */
535         .n_slot                 = 512,
536         .n_tc                   = 4,
537         .n_cc                   = 1,
538         .queue_tc_mapping       = dm646x_queue_tc_mapping,
539         .queue_priority_mapping = dm646x_queue_priority_mapping,
540 };
541
542 static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = {
543         &edma_cc0_info,
544 };
545
546 static struct resource edma_resources[] = {
547         {
548                 .name   = "edma_cc0",
549                 .start  = 0x01c00000,
550                 .end    = 0x01c00000 + SZ_64K - 1,
551                 .flags  = IORESOURCE_MEM,
552         },
553         {
554                 .name   = "edma_tc0",
555                 .start  = 0x01c10000,
556                 .end    = 0x01c10000 + SZ_1K - 1,
557                 .flags  = IORESOURCE_MEM,
558         },
559         {
560                 .name   = "edma_tc1",
561                 .start  = 0x01c10400,
562                 .end    = 0x01c10400 + SZ_1K - 1,
563                 .flags  = IORESOURCE_MEM,
564         },
565         {
566                 .name   = "edma_tc2",
567                 .start  = 0x01c10800,
568                 .end    = 0x01c10800 + SZ_1K - 1,
569                 .flags  = IORESOURCE_MEM,
570         },
571         {
572                 .name   = "edma_tc3",
573                 .start  = 0x01c10c00,
574                 .end    = 0x01c10c00 + SZ_1K - 1,
575                 .flags  = IORESOURCE_MEM,
576         },
577         {
578                 .name   = "edma0",
579                 .start  = IRQ_CCINT0,
580                 .flags  = IORESOURCE_IRQ,
581         },
582         {
583                 .name   = "edma0_err",
584                 .start  = IRQ_CCERRINT,
585                 .flags  = IORESOURCE_IRQ,
586         },
587         /* not using TC*_ERR */
588 };
589
590 static struct platform_device dm646x_edma_device = {
591         .name                   = "edma",
592         .id                     = 0,
593         .dev.platform_data      = dm646x_edma_info,
594         .num_resources          = ARRAY_SIZE(edma_resources),
595         .resource               = edma_resources,
596 };
597
598 static struct resource dm646x_mcasp0_resources[] = {
599         {
600                 .name   = "mcasp0",
601                 .start  = DAVINCI_DM646X_MCASP0_REG_BASE,
602                 .end    = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
603                 .flags  = IORESOURCE_MEM,
604         },
605         /* first TX, then RX */
606         {
607                 .start  = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
608                 .end    = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
609                 .flags  = IORESOURCE_DMA,
610         },
611         {
612                 .start  = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
613                 .end    = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
614                 .flags  = IORESOURCE_DMA,
615         },
616 };
617
618 static struct resource dm646x_mcasp1_resources[] = {
619         {
620                 .name   = "mcasp1",
621                 .start  = DAVINCI_DM646X_MCASP1_REG_BASE,
622                 .end    = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
623                 .flags  = IORESOURCE_MEM,
624         },
625         /* DIT mode, only TX event */
626         {
627                 .start  = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
628                 .end    = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
629                 .flags  = IORESOURCE_DMA,
630         },
631         /* DIT mode, dummy entry */
632         {
633                 .start  = -1,
634                 .end    = -1,
635                 .flags  = IORESOURCE_DMA,
636         },
637 };
638
639 static struct platform_device dm646x_mcasp0_device = {
640         .name           = "davinci-mcasp",
641         .id             = 0,
642         .num_resources  = ARRAY_SIZE(dm646x_mcasp0_resources),
643         .resource       = dm646x_mcasp0_resources,
644 };
645
646 static struct platform_device dm646x_mcasp1_device = {
647         .name           = "davinci-mcasp",
648         .id             = 1,
649         .num_resources  = ARRAY_SIZE(dm646x_mcasp1_resources),
650         .resource       = dm646x_mcasp1_resources,
651 };
652
653 static struct platform_device dm646x_dit_device = {
654         .name   = "spdif-dit",
655         .id     = -1,
656 };
657
658 static u64 vpif_dma_mask = DMA_BIT_MASK(32);
659
660 static struct resource vpif_resource[] = {
661         {
662                 .start  = DAVINCI_VPIF_BASE,
663                 .end    = DAVINCI_VPIF_BASE + 0x03ff,
664                 .flags  = IORESOURCE_MEM,
665         }
666 };
667
668 static struct platform_device vpif_dev = {
669         .name           = "vpif",
670         .id             = -1,
671         .dev            = {
672                         .dma_mask               = &vpif_dma_mask,
673                         .coherent_dma_mask      = DMA_BIT_MASK(32),
674         },
675         .resource       = vpif_resource,
676         .num_resources  = ARRAY_SIZE(vpif_resource),
677 };
678
679 static struct resource vpif_display_resource[] = {
680         {
681                 .start = IRQ_DM646X_VP_VERTINT2,
682                 .end   = IRQ_DM646X_VP_VERTINT2,
683                 .flags = IORESOURCE_IRQ,
684         },
685         {
686                 .start = IRQ_DM646X_VP_VERTINT3,
687                 .end   = IRQ_DM646X_VP_VERTINT3,
688                 .flags = IORESOURCE_IRQ,
689         },
690 };
691
692 static struct platform_device vpif_display_dev = {
693         .name           = "vpif_display",
694         .id             = -1,
695         .dev            = {
696                         .dma_mask               = &vpif_dma_mask,
697                         .coherent_dma_mask      = DMA_BIT_MASK(32),
698         },
699         .resource       = vpif_display_resource,
700         .num_resources  = ARRAY_SIZE(vpif_display_resource),
701 };
702
703 static struct resource vpif_capture_resource[] = {
704         {
705                 .start = IRQ_DM646X_VP_VERTINT0,
706                 .end   = IRQ_DM646X_VP_VERTINT0,
707                 .flags = IORESOURCE_IRQ,
708         },
709         {
710                 .start = IRQ_DM646X_VP_VERTINT1,
711                 .end   = IRQ_DM646X_VP_VERTINT1,
712                 .flags = IORESOURCE_IRQ,
713         },
714 };
715
716 static struct platform_device vpif_capture_dev = {
717         .name           = "vpif_capture",
718         .id             = -1,
719         .dev            = {
720                         .dma_mask               = &vpif_dma_mask,
721                         .coherent_dma_mask      = DMA_BIT_MASK(32),
722         },
723         .resource       = vpif_capture_resource,
724         .num_resources  = ARRAY_SIZE(vpif_capture_resource),
725 };
726
727 /*----------------------------------------------------------------------*/
728
729 static struct map_desc dm646x_io_desc[] = {
730         {
731                 .virtual        = IO_VIRT,
732                 .pfn            = __phys_to_pfn(IO_PHYS),
733                 .length         = IO_SIZE,
734                 .type           = MT_DEVICE
735         },
736         {
737                 .virtual        = SRAM_VIRT,
738                 .pfn            = __phys_to_pfn(0x00010000),
739                 .length         = SZ_32K,
740                 .type           = MT_MEMORY_NONCACHED,
741         },
742 };
743
744 /* Contents of JTAG ID register used to identify exact cpu type */
745 static struct davinci_id dm646x_ids[] = {
746         {
747                 .variant        = 0x0,
748                 .part_no        = 0xb770,
749                 .manufacturer   = 0x017,
750                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
751                 .name           = "dm6467_rev1.x",
752         },
753         {
754                 .variant        = 0x1,
755                 .part_no        = 0xb770,
756                 .manufacturer   = 0x017,
757                 .cpu_id         = DAVINCI_CPU_ID_DM6467,
758                 .name           = "dm6467_rev3.x",
759         },
760 };
761
762 static u32 dm646x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
763
764 /*
765  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
766  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
767  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
768  * T1_TOP: Timer 1, top   :  <unused>
769  */
770 static struct davinci_timer_info dm646x_timer_info = {
771         .timers         = davinci_timer_instance,
772         .clockevent_id  = T0_BOT,
773         .clocksource_id = T0_TOP,
774 };
775
776 static struct plat_serial8250_port dm646x_serial_platform_data[] = {
777         {
778                 .mapbase        = DAVINCI_UART0_BASE,
779                 .irq            = IRQ_UARTINT0,
780                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
781                                   UPF_IOREMAP,
782                 .iotype         = UPIO_MEM32,
783                 .regshift       = 2,
784         },
785         {
786                 .mapbase        = DAVINCI_UART1_BASE,
787                 .irq            = IRQ_UARTINT1,
788                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
789                                   UPF_IOREMAP,
790                 .iotype         = UPIO_MEM32,
791                 .regshift       = 2,
792         },
793         {
794                 .mapbase        = DAVINCI_UART2_BASE,
795                 .irq            = IRQ_DM646X_UARTINT2,
796                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
797                                   UPF_IOREMAP,
798                 .iotype         = UPIO_MEM32,
799                 .regshift       = 2,
800         },
801         {
802                 .flags          = 0
803         },
804 };
805
806 static struct platform_device dm646x_serial_device = {
807         .name                   = "serial8250",
808         .id                     = PLAT8250_DEV_PLATFORM,
809         .dev                    = {
810                 .platform_data  = dm646x_serial_platform_data,
811         },
812 };
813
814 static struct davinci_soc_info davinci_soc_info_dm646x = {
815         .io_desc                = dm646x_io_desc,
816         .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
817         .jtag_id_reg            = 0x01c40028,
818         .ids                    = dm646x_ids,
819         .ids_num                = ARRAY_SIZE(dm646x_ids),
820         .cpu_clks               = dm646x_clks,
821         .psc_bases              = dm646x_psc_bases,
822         .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
823         .pinmux_base            = DAVINCI_SYSTEM_MODULE_BASE,
824         .pinmux_pins            = dm646x_pins,
825         .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
826         .intc_base              = DAVINCI_ARM_INTC_BASE,
827         .intc_type              = DAVINCI_INTC_TYPE_AINTC,
828         .intc_irq_prios         = dm646x_default_priorities,
829         .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
830         .timer_info             = &dm646x_timer_info,
831         .gpio_type              = GPIO_TYPE_DAVINCI,
832         .gpio_base              = DAVINCI_GPIO_BASE,
833         .gpio_num               = 43, /* Only 33 usable */
834         .gpio_irq               = IRQ_DM646X_GPIOBNK0,
835         .serial_dev             = &dm646x_serial_device,
836         .emac_pdata             = &dm646x_emac_pdata,
837         .sram_dma               = 0x10010000,
838         .sram_len               = SZ_32K,
839         .reset_device           = &davinci_wdt_device,
840 };
841
842 void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
843 {
844         dm646x_mcasp0_device.dev.platform_data = pdata;
845         platform_device_register(&dm646x_mcasp0_device);
846 }
847
848 void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
849 {
850         dm646x_mcasp1_device.dev.platform_data = pdata;
851         platform_device_register(&dm646x_mcasp1_device);
852         platform_device_register(&dm646x_dit_device);
853 }
854
855 void dm646x_setup_vpif(struct vpif_display_config *display_config,
856                        struct vpif_capture_config *capture_config)
857 {
858         unsigned int value;
859         void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
860
861         value = __raw_readl(base + VSCLKDIS_OFFSET);
862         value &= ~VSCLKDIS_MASK;
863         __raw_writel(value, base + VSCLKDIS_OFFSET);
864
865         value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
866         value &= ~VDD3P3V_VID_MASK;
867         __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
868
869         davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
870         davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
871         davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
872         davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
873
874         vpif_display_dev.dev.platform_data = display_config;
875         vpif_capture_dev.dev.platform_data = capture_config;
876         platform_device_register(&vpif_dev);
877         platform_device_register(&vpif_display_dev);
878         platform_device_register(&vpif_capture_dev);
879 }
880
881 int __init dm646x_init_edma(struct edma_rsv_info *rsv)
882 {
883         edma_cc0_info.rsv = rsv;
884
885         return platform_device_register(&dm646x_edma_device);
886 }
887
888 void __init dm646x_init(void)
889 {
890         dm646x_board_setup_refclk(&ref_clk);
891         davinci_common_init(&davinci_soc_info_dm646x);
892 }
893
894 static int __init dm646x_init_devices(void)
895 {
896         if (!cpu_is_davinci_dm646x())
897                 return 0;
898
899         platform_device_register(&dm646x_emac_device);
900         return 0;
901 }
902 postcore_initcall(dm646x_init_devices);