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Merge remote-tracking branch 'mmc-uh/next'
[deliverable/linux.git] / arch / arm / mach-davinci / da850.c
1 /*
2 * TI DA850/OMAP-L138 chip specific setup
3 *
4 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * Derived from: arch/arm/mach-davinci/da830.c
7 * Original Copyrights follow:
8 *
9 * 2009 (c) MontaVista Software, Inc. This file is licensed under
10 * the terms of the GNU General Public License version 2. This program
11 * is licensed "as is" without any warranty of any kind, whether express
12 * or implied.
13 */
14 #include <linux/clkdev.h>
15 #include <linux/gpio.h>
16 #include <linux/init.h>
17 #include <linux/clk.h>
18 #include <linux/platform_device.h>
19 #include <linux/cpufreq.h>
20 #include <linux/regulator/consumer.h>
21 #include <linux/platform_data/gpio-davinci.h>
22
23 #include <asm/mach/map.h>
24
25 #include "psc.h"
26 #include <mach/irqs.h>
27 #include <mach/cputype.h>
28 #include <mach/common.h>
29 #include <mach/time.h>
30 #include <mach/da8xx.h>
31 #include <mach/cpufreq.h>
32 #include <mach/pm.h>
33
34 #include "clock.h"
35 #include "mux.h"
36
37 #define DA850_PLL1_BASE 0x01e1a000
38 #define DA850_TIMER64P2_BASE 0x01f0c000
39 #define DA850_TIMER64P3_BASE 0x01f0d000
40
41 #define DA850_REF_FREQ 24000000
42
43 #define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
44 #define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
45 #define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
46
47 static int da850_set_armrate(struct clk *clk, unsigned long rate);
48 static int da850_round_armrate(struct clk *clk, unsigned long rate);
49 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
50
51 static struct pll_data pll0_data = {
52 .num = 1,
53 .phys_base = DA8XX_PLL0_BASE,
54 .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
55 };
56
57 static struct clk ref_clk = {
58 .name = "ref_clk",
59 .rate = DA850_REF_FREQ,
60 .set_rate = davinci_simple_set_rate,
61 };
62
63 static struct clk pll0_clk = {
64 .name = "pll0",
65 .parent = &ref_clk,
66 .pll_data = &pll0_data,
67 .flags = CLK_PLL,
68 .set_rate = da850_set_pll0rate,
69 };
70
71 static struct clk pll0_aux_clk = {
72 .name = "pll0_aux_clk",
73 .parent = &pll0_clk,
74 .flags = CLK_PLL | PRE_PLL,
75 };
76
77 static struct clk pll0_sysclk1 = {
78 .name = "pll0_sysclk1",
79 .parent = &pll0_clk,
80 .flags = CLK_PLL,
81 .div_reg = PLLDIV1,
82 };
83
84 static struct clk pll0_sysclk2 = {
85 .name = "pll0_sysclk2",
86 .parent = &pll0_clk,
87 .flags = CLK_PLL,
88 .div_reg = PLLDIV2,
89 };
90
91 static struct clk pll0_sysclk3 = {
92 .name = "pll0_sysclk3",
93 .parent = &pll0_clk,
94 .flags = CLK_PLL,
95 .div_reg = PLLDIV3,
96 .set_rate = davinci_set_sysclk_rate,
97 .maxrate = 100000000,
98 };
99
100 static struct clk pll0_sysclk4 = {
101 .name = "pll0_sysclk4",
102 .parent = &pll0_clk,
103 .flags = CLK_PLL,
104 .div_reg = PLLDIV4,
105 };
106
107 static struct clk pll0_sysclk5 = {
108 .name = "pll0_sysclk5",
109 .parent = &pll0_clk,
110 .flags = CLK_PLL,
111 .div_reg = PLLDIV5,
112 };
113
114 static struct clk pll0_sysclk6 = {
115 .name = "pll0_sysclk6",
116 .parent = &pll0_clk,
117 .flags = CLK_PLL,
118 .div_reg = PLLDIV6,
119 };
120
121 static struct clk pll0_sysclk7 = {
122 .name = "pll0_sysclk7",
123 .parent = &pll0_clk,
124 .flags = CLK_PLL,
125 .div_reg = PLLDIV7,
126 };
127
128 static struct pll_data pll1_data = {
129 .num = 2,
130 .phys_base = DA850_PLL1_BASE,
131 .flags = PLL_HAS_POSTDIV,
132 };
133
134 static struct clk pll1_clk = {
135 .name = "pll1",
136 .parent = &ref_clk,
137 .pll_data = &pll1_data,
138 .flags = CLK_PLL,
139 };
140
141 static struct clk pll1_aux_clk = {
142 .name = "pll1_aux_clk",
143 .parent = &pll1_clk,
144 .flags = CLK_PLL | PRE_PLL,
145 };
146
147 static struct clk pll1_sysclk2 = {
148 .name = "pll1_sysclk2",
149 .parent = &pll1_clk,
150 .flags = CLK_PLL,
151 .div_reg = PLLDIV2,
152 };
153
154 static struct clk pll1_sysclk3 = {
155 .name = "pll1_sysclk3",
156 .parent = &pll1_clk,
157 .flags = CLK_PLL,
158 .div_reg = PLLDIV3,
159 };
160
161 static int da850_async3_set_parent(struct clk *clk, struct clk *parent)
162 {
163 u32 val;
164
165 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
166
167 if (parent == &pll0_sysclk2) {
168 val &= ~CFGCHIP3_ASYNC3_CLKSRC;
169 } else if (parent == &pll1_sysclk2) {
170 val |= CFGCHIP3_ASYNC3_CLKSRC;
171 } else {
172 pr_err("Bad parent on async3 clock mux\n");
173 return -EINVAL;
174 }
175
176 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
177
178 return 0;
179 }
180
181 static struct clk async3_clk = {
182 .name = "async3",
183 .parent = &pll1_sysclk2,
184 .set_parent = da850_async3_set_parent,
185 };
186
187 static struct clk i2c0_clk = {
188 .name = "i2c0",
189 .parent = &pll0_aux_clk,
190 };
191
192 static struct clk timerp64_0_clk = {
193 .name = "timer0",
194 .parent = &pll0_aux_clk,
195 };
196
197 static struct clk timerp64_1_clk = {
198 .name = "timer1",
199 .parent = &pll0_aux_clk,
200 };
201
202 static struct clk arm_rom_clk = {
203 .name = "arm_rom",
204 .parent = &pll0_sysclk2,
205 .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
206 .flags = ALWAYS_ENABLED,
207 };
208
209 static struct clk tpcc0_clk = {
210 .name = "tpcc0",
211 .parent = &pll0_sysclk2,
212 .lpsc = DA8XX_LPSC0_TPCC,
213 .flags = ALWAYS_ENABLED | CLK_PSC,
214 };
215
216 static struct clk tptc0_clk = {
217 .name = "tptc0",
218 .parent = &pll0_sysclk2,
219 .lpsc = DA8XX_LPSC0_TPTC0,
220 .flags = ALWAYS_ENABLED,
221 };
222
223 static struct clk tptc1_clk = {
224 .name = "tptc1",
225 .parent = &pll0_sysclk2,
226 .lpsc = DA8XX_LPSC0_TPTC1,
227 .flags = ALWAYS_ENABLED,
228 };
229
230 static struct clk tpcc1_clk = {
231 .name = "tpcc1",
232 .parent = &pll0_sysclk2,
233 .lpsc = DA850_LPSC1_TPCC1,
234 .gpsc = 1,
235 .flags = CLK_PSC | ALWAYS_ENABLED,
236 };
237
238 static struct clk tptc2_clk = {
239 .name = "tptc2",
240 .parent = &pll0_sysclk2,
241 .lpsc = DA850_LPSC1_TPTC2,
242 .gpsc = 1,
243 .flags = ALWAYS_ENABLED,
244 };
245
246 static struct clk pruss_clk = {
247 .name = "pruss",
248 .parent = &pll0_sysclk2,
249 .lpsc = DA8XX_LPSC0_PRUSS,
250 };
251
252 static struct clk uart0_clk = {
253 .name = "uart0",
254 .parent = &pll0_sysclk2,
255 .lpsc = DA8XX_LPSC0_UART0,
256 };
257
258 static struct clk uart1_clk = {
259 .name = "uart1",
260 .parent = &async3_clk,
261 .lpsc = DA8XX_LPSC1_UART1,
262 .gpsc = 1,
263 };
264
265 static struct clk uart2_clk = {
266 .name = "uart2",
267 .parent = &async3_clk,
268 .lpsc = DA8XX_LPSC1_UART2,
269 .gpsc = 1,
270 };
271
272 static struct clk aintc_clk = {
273 .name = "aintc",
274 .parent = &pll0_sysclk4,
275 .lpsc = DA8XX_LPSC0_AINTC,
276 .flags = ALWAYS_ENABLED,
277 };
278
279 static struct clk gpio_clk = {
280 .name = "gpio",
281 .parent = &pll0_sysclk4,
282 .lpsc = DA8XX_LPSC1_GPIO,
283 .gpsc = 1,
284 };
285
286 static struct clk i2c1_clk = {
287 .name = "i2c1",
288 .parent = &pll0_sysclk4,
289 .lpsc = DA8XX_LPSC1_I2C,
290 .gpsc = 1,
291 };
292
293 static struct clk emif3_clk = {
294 .name = "emif3",
295 .parent = &pll0_sysclk5,
296 .lpsc = DA8XX_LPSC1_EMIF3C,
297 .gpsc = 1,
298 .flags = ALWAYS_ENABLED,
299 };
300
301 static struct clk arm_clk = {
302 .name = "arm",
303 .parent = &pll0_sysclk6,
304 .lpsc = DA8XX_LPSC0_ARM,
305 .flags = ALWAYS_ENABLED,
306 .set_rate = da850_set_armrate,
307 .round_rate = da850_round_armrate,
308 };
309
310 static struct clk rmii_clk = {
311 .name = "rmii",
312 .parent = &pll0_sysclk7,
313 };
314
315 static struct clk emac_clk = {
316 .name = "emac",
317 .parent = &pll0_sysclk4,
318 .lpsc = DA8XX_LPSC1_CPGMAC,
319 .gpsc = 1,
320 };
321
322 static struct clk mcasp_clk = {
323 .name = "mcasp",
324 .parent = &async3_clk,
325 .lpsc = DA8XX_LPSC1_McASP0,
326 .gpsc = 1,
327 };
328
329 static struct clk mcbsp0_clk = {
330 .name = "mcbsp0",
331 .parent = &async3_clk,
332 .lpsc = DA850_LPSC1_McBSP0,
333 .gpsc = 1,
334 };
335
336 static struct clk mcbsp1_clk = {
337 .name = "mcbsp1",
338 .parent = &async3_clk,
339 .lpsc = DA850_LPSC1_McBSP1,
340 .gpsc = 1,
341 };
342
343 static struct clk lcdc_clk = {
344 .name = "lcdc",
345 .parent = &pll0_sysclk2,
346 .lpsc = DA8XX_LPSC1_LCDC,
347 .gpsc = 1,
348 };
349
350 static struct clk mmcsd0_clk = {
351 .name = "mmcsd0",
352 .parent = &pll0_sysclk2,
353 .lpsc = DA8XX_LPSC0_MMC_SD,
354 };
355
356 static struct clk mmcsd1_clk = {
357 .name = "mmcsd1",
358 .parent = &pll0_sysclk2,
359 .lpsc = DA850_LPSC1_MMC_SD1,
360 .gpsc = 1,
361 };
362
363 static struct clk aemif_clk = {
364 .name = "aemif",
365 .parent = &pll0_sysclk3,
366 .lpsc = DA8XX_LPSC0_EMIF25,
367 .flags = ALWAYS_ENABLED,
368 };
369
370 static struct clk usb11_clk = {
371 .name = "usb11",
372 .parent = &pll0_sysclk4,
373 .lpsc = DA8XX_LPSC1_USB11,
374 .gpsc = 1,
375 };
376
377 static struct clk usb20_clk = {
378 .name = "usb20",
379 .parent = &pll0_sysclk2,
380 .lpsc = DA8XX_LPSC1_USB20,
381 .gpsc = 1,
382 };
383
384 static struct clk spi0_clk = {
385 .name = "spi0",
386 .parent = &pll0_sysclk2,
387 .lpsc = DA8XX_LPSC0_SPI0,
388 };
389
390 static struct clk spi1_clk = {
391 .name = "spi1",
392 .parent = &async3_clk,
393 .lpsc = DA8XX_LPSC1_SPI1,
394 .gpsc = 1,
395 };
396
397 static struct clk vpif_clk = {
398 .name = "vpif",
399 .parent = &pll0_sysclk2,
400 .lpsc = DA850_LPSC1_VPIF,
401 .gpsc = 1,
402 };
403
404 static struct clk sata_clk = {
405 .name = "sata",
406 .parent = &pll0_sysclk2,
407 .lpsc = DA850_LPSC1_SATA,
408 .gpsc = 1,
409 .flags = PSC_FORCE,
410 };
411
412 static struct clk dsp_clk = {
413 .name = "dsp",
414 .parent = &pll0_sysclk1,
415 .domain = DAVINCI_GPSC_DSPDOMAIN,
416 .lpsc = DA8XX_LPSC0_GEM,
417 .flags = PSC_LRST | PSC_FORCE,
418 };
419
420 static struct clk ehrpwm_clk = {
421 .name = "ehrpwm",
422 .parent = &async3_clk,
423 .lpsc = DA8XX_LPSC1_PWM,
424 .gpsc = 1,
425 };
426
427 #define DA8XX_EHRPWM_TBCLKSYNC BIT(12)
428
429 static void ehrpwm_tblck_enable(struct clk *clk)
430 {
431 u32 val;
432
433 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
434 val |= DA8XX_EHRPWM_TBCLKSYNC;
435 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
436 }
437
438 static void ehrpwm_tblck_disable(struct clk *clk)
439 {
440 u32 val;
441
442 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
443 val &= ~DA8XX_EHRPWM_TBCLKSYNC;
444 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
445 }
446
447 static struct clk ehrpwm_tbclk = {
448 .name = "ehrpwm_tbclk",
449 .parent = &ehrpwm_clk,
450 .clk_enable = ehrpwm_tblck_enable,
451 .clk_disable = ehrpwm_tblck_disable,
452 };
453
454 static struct clk ecap_clk = {
455 .name = "ecap",
456 .parent = &async3_clk,
457 .lpsc = DA8XX_LPSC1_ECAP,
458 .gpsc = 1,
459 };
460
461 static struct clk_lookup da850_clks[] = {
462 CLK(NULL, "ref", &ref_clk),
463 CLK(NULL, "pll0", &pll0_clk),
464 CLK(NULL, "pll0_aux", &pll0_aux_clk),
465 CLK(NULL, "pll0_sysclk1", &pll0_sysclk1),
466 CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
467 CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
468 CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
469 CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
470 CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
471 CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
472 CLK(NULL, "pll1", &pll1_clk),
473 CLK(NULL, "pll1_aux", &pll1_aux_clk),
474 CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
475 CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
476 CLK(NULL, "async3", &async3_clk),
477 CLK("i2c_davinci.1", NULL, &i2c0_clk),
478 CLK(NULL, "timer0", &timerp64_0_clk),
479 CLK("davinci-wdt", NULL, &timerp64_1_clk),
480 CLK(NULL, "arm_rom", &arm_rom_clk),
481 CLK(NULL, "tpcc0", &tpcc0_clk),
482 CLK(NULL, "tptc0", &tptc0_clk),
483 CLK(NULL, "tptc1", &tptc1_clk),
484 CLK(NULL, "tpcc1", &tpcc1_clk),
485 CLK(NULL, "tptc2", &tptc2_clk),
486 CLK("pruss_uio", "pruss", &pruss_clk),
487 CLK("serial8250.0", NULL, &uart0_clk),
488 CLK("serial8250.1", NULL, &uart1_clk),
489 CLK("serial8250.2", NULL, &uart2_clk),
490 CLK(NULL, "aintc", &aintc_clk),
491 CLK(NULL, "gpio", &gpio_clk),
492 CLK("i2c_davinci.2", NULL, &i2c1_clk),
493 CLK(NULL, "emif3", &emif3_clk),
494 CLK(NULL, "arm", &arm_clk),
495 CLK(NULL, "rmii", &rmii_clk),
496 CLK("davinci_emac.1", NULL, &emac_clk),
497 CLK("davinci_mdio.0", "fck", &emac_clk),
498 CLK("davinci-mcasp.0", NULL, &mcasp_clk),
499 CLK("davinci-mcbsp.0", NULL, &mcbsp0_clk),
500 CLK("davinci-mcbsp.1", NULL, &mcbsp1_clk),
501 CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
502 CLK("da830-mmc.0", NULL, &mmcsd0_clk),
503 CLK("da830-mmc.1", NULL, &mmcsd1_clk),
504 CLK("ti-aemif", NULL, &aemif_clk),
505 CLK(NULL, "aemif", &aemif_clk),
506 CLK(NULL, "usb11", &usb11_clk),
507 CLK(NULL, "usb20", &usb20_clk),
508 CLK("spi_davinci.0", NULL, &spi0_clk),
509 CLK("spi_davinci.1", NULL, &spi1_clk),
510 CLK("vpif", NULL, &vpif_clk),
511 CLK("ahci_da850", NULL, &sata_clk),
512 CLK("davinci-rproc.0", NULL, &dsp_clk),
513 CLK("ehrpwm", "fck", &ehrpwm_clk),
514 CLK("ehrpwm", "tbclk", &ehrpwm_tbclk),
515 CLK("ecap", "fck", &ecap_clk),
516 CLK(NULL, NULL, NULL),
517 };
518
519 /*
520 * Device specific mux setup
521 *
522 * soc description mux mode mode mux dbg
523 * reg offset mask mode
524 */
525 static const struct mux_config da850_pins[] = {
526 #ifdef CONFIG_DAVINCI_MUX
527 /* UART0 function */
528 MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
529 MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
530 MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
531 MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
532 /* UART1 function */
533 MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
534 MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
535 /* UART2 function */
536 MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
537 MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
538 /* I2C1 function */
539 MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
540 MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
541 /* I2C0 function */
542 MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
543 MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
544 /* EMAC function */
545 MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
546 MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
547 MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
548 MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
549 MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
550 MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
551 MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
552 MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
553 MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
554 MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
555 MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
556 MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
557 MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
558 MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
559 MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
560 MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
561 MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
562 MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false)
563 MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false)
564 MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false)
565 MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false)
566 MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false)
567 MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false)
568 MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false)
569 MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false)
570 /* McASP function */
571 MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
572 MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
573 MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
574 MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
575 MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
576 MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
577 MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
578 MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
579 MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
580 MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
581 MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
582 MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
583 MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
584 MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
585 MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
586 MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
587 MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
588 MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
589 MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
590 MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
591 MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
592 MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
593 MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
594 /* LCD function */
595 MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
596 MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
597 MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
598 MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
599 MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
600 MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
601 MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
602 MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
603 MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
604 MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
605 MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
606 MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
607 MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
608 MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
609 MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
610 MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
611 MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
612 MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
613 MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
614 MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
615 /* MMC/SD0 function */
616 MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
617 MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
618 MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
619 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
620 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
621 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
622 /* MMC/SD1 function */
623 MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false)
624 MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false)
625 MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false)
626 MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false)
627 MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false)
628 MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false)
629 /* EMIF2.5/EMIFA function */
630 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
631 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
632 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
633 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
634 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
635 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
636 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
637 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
638 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
639 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
640 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
641 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
642 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
643 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
644 MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
645 MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
646 MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
647 MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
648 MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
649 MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
650 MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
651 MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
652 MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
653 MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
654 MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
655 MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
656 MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
657 MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
658 MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
659 MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
660 MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
661 MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
662 MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
663 MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
664 MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
665 MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
666 MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
667 MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
668 MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
669 MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
670 MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
671 MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
672 MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
673 MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
674 MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
675 MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
676 MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
677 MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
678 /* GPIO function */
679 MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
680 MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
681 MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
682 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
683 MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
684 MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false)
685 MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
686 MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
687 MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false)
688 MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false)
689 MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
690 MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
691 /* VPIF Capture */
692 MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false)
693 MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false)
694 MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false)
695 MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false)
696 MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false)
697 MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false)
698 MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false)
699 MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false)
700 MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false)
701 MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false)
702 MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false)
703 MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false)
704 MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false)
705 MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false)
706 MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false)
707 MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false)
708 MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false)
709 MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false)
710 MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false)
711 MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false)
712 /* VPIF Display */
713 MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false)
714 MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false)
715 MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false)
716 MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false)
717 MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false)
718 MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false)
719 MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false)
720 MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false)
721 MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false)
722 MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false)
723 MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false)
724 MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false)
725 MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false)
726 MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false)
727 MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false)
728 MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false)
729 MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false)
730 MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false)
731 #endif
732 };
733
734 const short da850_i2c0_pins[] __initconst = {
735 DA850_I2C0_SDA, DA850_I2C0_SCL,
736 -1
737 };
738
739 const short da850_i2c1_pins[] __initconst = {
740 DA850_I2C1_SCL, DA850_I2C1_SDA,
741 -1
742 };
743
744 const short da850_lcdcntl_pins[] __initconst = {
745 DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
746 DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
747 DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
748 DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
749 DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
750 -1
751 };
752
753 const short da850_vpif_capture_pins[] __initconst = {
754 DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
755 DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
756 DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
757 DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
758 DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
759 DA850_VPIF_CLKIN3,
760 -1
761 };
762
763 const short da850_vpif_display_pins[] __initconst = {
764 DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
765 DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
766 DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
767 DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
768 DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
769 DA850_VPIF_CLKO3,
770 -1
771 };
772
773 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
774 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
775 [IRQ_DA8XX_COMMTX] = 7,
776 [IRQ_DA8XX_COMMRX] = 7,
777 [IRQ_DA8XX_NINT] = 7,
778 [IRQ_DA8XX_EVTOUT0] = 7,
779 [IRQ_DA8XX_EVTOUT1] = 7,
780 [IRQ_DA8XX_EVTOUT2] = 7,
781 [IRQ_DA8XX_EVTOUT3] = 7,
782 [IRQ_DA8XX_EVTOUT4] = 7,
783 [IRQ_DA8XX_EVTOUT5] = 7,
784 [IRQ_DA8XX_EVTOUT6] = 7,
785 [IRQ_DA8XX_EVTOUT7] = 7,
786 [IRQ_DA8XX_CCINT0] = 7,
787 [IRQ_DA8XX_CCERRINT] = 7,
788 [IRQ_DA8XX_TCERRINT0] = 7,
789 [IRQ_DA8XX_AEMIFINT] = 7,
790 [IRQ_DA8XX_I2CINT0] = 7,
791 [IRQ_DA8XX_MMCSDINT0] = 7,
792 [IRQ_DA8XX_MMCSDINT1] = 7,
793 [IRQ_DA8XX_ALLINT0] = 7,
794 [IRQ_DA8XX_RTC] = 7,
795 [IRQ_DA8XX_SPINT0] = 7,
796 [IRQ_DA8XX_TINT12_0] = 7,
797 [IRQ_DA8XX_TINT34_0] = 7,
798 [IRQ_DA8XX_TINT12_1] = 7,
799 [IRQ_DA8XX_TINT34_1] = 7,
800 [IRQ_DA8XX_UARTINT0] = 7,
801 [IRQ_DA8XX_KEYMGRINT] = 7,
802 [IRQ_DA850_MPUADDRERR0] = 7,
803 [IRQ_DA8XX_CHIPINT0] = 7,
804 [IRQ_DA8XX_CHIPINT1] = 7,
805 [IRQ_DA8XX_CHIPINT2] = 7,
806 [IRQ_DA8XX_CHIPINT3] = 7,
807 [IRQ_DA8XX_TCERRINT1] = 7,
808 [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
809 [IRQ_DA8XX_C0_RX_PULSE] = 7,
810 [IRQ_DA8XX_C0_TX_PULSE] = 7,
811 [IRQ_DA8XX_C0_MISC_PULSE] = 7,
812 [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
813 [IRQ_DA8XX_C1_RX_PULSE] = 7,
814 [IRQ_DA8XX_C1_TX_PULSE] = 7,
815 [IRQ_DA8XX_C1_MISC_PULSE] = 7,
816 [IRQ_DA8XX_MEMERR] = 7,
817 [IRQ_DA8XX_GPIO0] = 7,
818 [IRQ_DA8XX_GPIO1] = 7,
819 [IRQ_DA8XX_GPIO2] = 7,
820 [IRQ_DA8XX_GPIO3] = 7,
821 [IRQ_DA8XX_GPIO4] = 7,
822 [IRQ_DA8XX_GPIO5] = 7,
823 [IRQ_DA8XX_GPIO6] = 7,
824 [IRQ_DA8XX_GPIO7] = 7,
825 [IRQ_DA8XX_GPIO8] = 7,
826 [IRQ_DA8XX_I2CINT1] = 7,
827 [IRQ_DA8XX_LCDINT] = 7,
828 [IRQ_DA8XX_UARTINT1] = 7,
829 [IRQ_DA8XX_MCASPINT] = 7,
830 [IRQ_DA8XX_ALLINT1] = 7,
831 [IRQ_DA8XX_SPINT1] = 7,
832 [IRQ_DA8XX_UHPI_INT1] = 7,
833 [IRQ_DA8XX_USB_INT] = 7,
834 [IRQ_DA8XX_IRQN] = 7,
835 [IRQ_DA8XX_RWAKEUP] = 7,
836 [IRQ_DA8XX_UARTINT2] = 7,
837 [IRQ_DA8XX_DFTSSINT] = 7,
838 [IRQ_DA8XX_EHRPWM0] = 7,
839 [IRQ_DA8XX_EHRPWM0TZ] = 7,
840 [IRQ_DA8XX_EHRPWM1] = 7,
841 [IRQ_DA8XX_EHRPWM1TZ] = 7,
842 [IRQ_DA850_SATAINT] = 7,
843 [IRQ_DA850_TINTALL_2] = 7,
844 [IRQ_DA8XX_ECAP0] = 7,
845 [IRQ_DA8XX_ECAP1] = 7,
846 [IRQ_DA8XX_ECAP2] = 7,
847 [IRQ_DA850_MMCSDINT0_1] = 7,
848 [IRQ_DA850_MMCSDINT1_1] = 7,
849 [IRQ_DA850_T12CMPINT0_2] = 7,
850 [IRQ_DA850_T12CMPINT1_2] = 7,
851 [IRQ_DA850_T12CMPINT2_2] = 7,
852 [IRQ_DA850_T12CMPINT3_2] = 7,
853 [IRQ_DA850_T12CMPINT4_2] = 7,
854 [IRQ_DA850_T12CMPINT5_2] = 7,
855 [IRQ_DA850_T12CMPINT6_2] = 7,
856 [IRQ_DA850_T12CMPINT7_2] = 7,
857 [IRQ_DA850_T12CMPINT0_3] = 7,
858 [IRQ_DA850_T12CMPINT1_3] = 7,
859 [IRQ_DA850_T12CMPINT2_3] = 7,
860 [IRQ_DA850_T12CMPINT3_3] = 7,
861 [IRQ_DA850_T12CMPINT4_3] = 7,
862 [IRQ_DA850_T12CMPINT5_3] = 7,
863 [IRQ_DA850_T12CMPINT6_3] = 7,
864 [IRQ_DA850_T12CMPINT7_3] = 7,
865 [IRQ_DA850_RPIINT] = 7,
866 [IRQ_DA850_VPIFINT] = 7,
867 [IRQ_DA850_CCINT1] = 7,
868 [IRQ_DA850_CCERRINT1] = 7,
869 [IRQ_DA850_TCERRINT2] = 7,
870 [IRQ_DA850_TINTALL_3] = 7,
871 [IRQ_DA850_MCBSP0RINT] = 7,
872 [IRQ_DA850_MCBSP0XINT] = 7,
873 [IRQ_DA850_MCBSP1RINT] = 7,
874 [IRQ_DA850_MCBSP1XINT] = 7,
875 [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
876 };
877
878 static struct map_desc da850_io_desc[] = {
879 {
880 .virtual = IO_VIRT,
881 .pfn = __phys_to_pfn(IO_PHYS),
882 .length = IO_SIZE,
883 .type = MT_DEVICE
884 },
885 {
886 .virtual = DA8XX_CP_INTC_VIRT,
887 .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
888 .length = DA8XX_CP_INTC_SIZE,
889 .type = MT_DEVICE
890 },
891 };
892
893 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
894
895 /* Contents of JTAG ID register used to identify exact cpu type */
896 static struct davinci_id da850_ids[] = {
897 {
898 .variant = 0x0,
899 .part_no = 0xb7d1,
900 .manufacturer = 0x017, /* 0x02f >> 1 */
901 .cpu_id = DAVINCI_CPU_ID_DA850,
902 .name = "da850/omap-l138",
903 },
904 {
905 .variant = 0x1,
906 .part_no = 0xb7d1,
907 .manufacturer = 0x017, /* 0x02f >> 1 */
908 .cpu_id = DAVINCI_CPU_ID_DA850,
909 .name = "da850/omap-l138/am18x",
910 },
911 };
912
913 static struct davinci_timer_instance da850_timer_instance[4] = {
914 {
915 .base = DA8XX_TIMER64P0_BASE,
916 .bottom_irq = IRQ_DA8XX_TINT12_0,
917 .top_irq = IRQ_DA8XX_TINT34_0,
918 },
919 {
920 .base = DA8XX_TIMER64P1_BASE,
921 .bottom_irq = IRQ_DA8XX_TINT12_1,
922 .top_irq = IRQ_DA8XX_TINT34_1,
923 },
924 {
925 .base = DA850_TIMER64P2_BASE,
926 .bottom_irq = IRQ_DA850_TINT12_2,
927 .top_irq = IRQ_DA850_TINT34_2,
928 },
929 {
930 .base = DA850_TIMER64P3_BASE,
931 .bottom_irq = IRQ_DA850_TINT12_3,
932 .top_irq = IRQ_DA850_TINT34_3,
933 },
934 };
935
936 /*
937 * T0_BOT: Timer 0, bottom : Used for clock_event
938 * T0_TOP: Timer 0, top : Used for clocksource
939 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
940 */
941 static struct davinci_timer_info da850_timer_info = {
942 .timers = da850_timer_instance,
943 .clockevent_id = T0_BOT,
944 .clocksource_id = T0_TOP,
945 };
946
947 #ifdef CONFIG_CPU_FREQ
948 /*
949 * Notes:
950 * According to the TRM, minimum PLLM results in maximum power savings.
951 * The OPP definitions below should keep the PLLM as low as possible.
952 *
953 * The output of the PLLM must be between 300 to 600 MHz.
954 */
955 struct da850_opp {
956 unsigned int freq; /* in KHz */
957 unsigned int prediv;
958 unsigned int mult;
959 unsigned int postdiv;
960 unsigned int cvdd_min; /* in uV */
961 unsigned int cvdd_max; /* in uV */
962 };
963
964 static const struct da850_opp da850_opp_456 = {
965 .freq = 456000,
966 .prediv = 1,
967 .mult = 19,
968 .postdiv = 1,
969 .cvdd_min = 1300000,
970 .cvdd_max = 1350000,
971 };
972
973 static const struct da850_opp da850_opp_408 = {
974 .freq = 408000,
975 .prediv = 1,
976 .mult = 17,
977 .postdiv = 1,
978 .cvdd_min = 1300000,
979 .cvdd_max = 1350000,
980 };
981
982 static const struct da850_opp da850_opp_372 = {
983 .freq = 372000,
984 .prediv = 2,
985 .mult = 31,
986 .postdiv = 1,
987 .cvdd_min = 1200000,
988 .cvdd_max = 1320000,
989 };
990
991 static const struct da850_opp da850_opp_300 = {
992 .freq = 300000,
993 .prediv = 1,
994 .mult = 25,
995 .postdiv = 2,
996 .cvdd_min = 1200000,
997 .cvdd_max = 1320000,
998 };
999
1000 static const struct da850_opp da850_opp_200 = {
1001 .freq = 200000,
1002 .prediv = 1,
1003 .mult = 25,
1004 .postdiv = 3,
1005 .cvdd_min = 1100000,
1006 .cvdd_max = 1160000,
1007 };
1008
1009 static const struct da850_opp da850_opp_96 = {
1010 .freq = 96000,
1011 .prediv = 1,
1012 .mult = 20,
1013 .postdiv = 5,
1014 .cvdd_min = 1000000,
1015 .cvdd_max = 1050000,
1016 };
1017
1018 #define OPP(freq) \
1019 { \
1020 .driver_data = (unsigned int) &da850_opp_##freq, \
1021 .frequency = freq * 1000, \
1022 }
1023
1024 static struct cpufreq_frequency_table da850_freq_table[] = {
1025 OPP(456),
1026 OPP(408),
1027 OPP(372),
1028 OPP(300),
1029 OPP(200),
1030 OPP(96),
1031 {
1032 .driver_data = 0,
1033 .frequency = CPUFREQ_TABLE_END,
1034 },
1035 };
1036
1037 #ifdef CONFIG_REGULATOR
1038 static int da850_set_voltage(unsigned int index);
1039 static int da850_regulator_init(void);
1040 #endif
1041
1042 static struct davinci_cpufreq_config cpufreq_info = {
1043 .freq_table = da850_freq_table,
1044 #ifdef CONFIG_REGULATOR
1045 .init = da850_regulator_init,
1046 .set_voltage = da850_set_voltage,
1047 #endif
1048 };
1049
1050 #ifdef CONFIG_REGULATOR
1051 static struct regulator *cvdd;
1052
1053 static int da850_set_voltage(unsigned int index)
1054 {
1055 struct da850_opp *opp;
1056
1057 if (!cvdd)
1058 return -ENODEV;
1059
1060 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
1061
1062 return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
1063 }
1064
1065 static int da850_regulator_init(void)
1066 {
1067 cvdd = regulator_get(NULL, "cvdd");
1068 if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
1069 " voltage scaling unsupported\n")) {
1070 return PTR_ERR(cvdd);
1071 }
1072
1073 return 0;
1074 }
1075 #endif
1076
1077 static struct platform_device da850_cpufreq_device = {
1078 .name = "cpufreq-davinci",
1079 .dev = {
1080 .platform_data = &cpufreq_info,
1081 },
1082 .id = -1,
1083 };
1084
1085 unsigned int da850_max_speed = 300000;
1086
1087 int da850_register_cpufreq(char *async_clk)
1088 {
1089 int i;
1090
1091 /* cpufreq driver can help keep an "async" clock constant */
1092 if (async_clk)
1093 clk_add_alias("async", da850_cpufreq_device.name,
1094 async_clk, NULL);
1095 for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
1096 if (da850_freq_table[i].frequency <= da850_max_speed) {
1097 cpufreq_info.freq_table = &da850_freq_table[i];
1098 break;
1099 }
1100 }
1101
1102 return platform_device_register(&da850_cpufreq_device);
1103 }
1104
1105 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1106 {
1107 int ret = 0, diff;
1108 unsigned int best = (unsigned int) -1;
1109 struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
1110 struct cpufreq_frequency_table *pos;
1111
1112 rate /= 1000; /* convert to kHz */
1113
1114 cpufreq_for_each_entry(pos, table) {
1115 diff = pos->frequency - rate;
1116 if (diff < 0)
1117 diff = -diff;
1118
1119 if (diff < best) {
1120 best = diff;
1121 ret = pos->frequency;
1122 }
1123 }
1124
1125 return ret * 1000;
1126 }
1127
1128 static int da850_set_armrate(struct clk *clk, unsigned long index)
1129 {
1130 struct clk *pllclk = &pll0_clk;
1131
1132 return clk_set_rate(pllclk, index);
1133 }
1134
1135 static int da850_set_pll0rate(struct clk *clk, unsigned long index)
1136 {
1137 unsigned int prediv, mult, postdiv;
1138 struct da850_opp *opp;
1139 struct pll_data *pll = clk->pll_data;
1140 int ret;
1141
1142 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
1143 prediv = opp->prediv;
1144 mult = opp->mult;
1145 postdiv = opp->postdiv;
1146
1147 ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
1148 if (WARN_ON(ret))
1149 return ret;
1150
1151 return 0;
1152 }
1153 #else
1154 int __init da850_register_cpufreq(char *async_clk)
1155 {
1156 return 0;
1157 }
1158
1159 static int da850_set_armrate(struct clk *clk, unsigned long rate)
1160 {
1161 return -EINVAL;
1162 }
1163
1164 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
1165 {
1166 return -EINVAL;
1167 }
1168
1169 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1170 {
1171 return clk->rate;
1172 }
1173 #endif
1174
1175 int __init da850_register_pm(struct platform_device *pdev)
1176 {
1177 int ret;
1178 struct davinci_pm_config *pdata = pdev->dev.platform_data;
1179
1180 ret = davinci_cfg_reg(DA850_RTC_ALARM);
1181 if (ret)
1182 return ret;
1183
1184 pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
1185 pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
1186 pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
1187
1188 pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
1189 if (!pdata->cpupll_reg_base)
1190 return -ENOMEM;
1191
1192 pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
1193 if (!pdata->ddrpll_reg_base) {
1194 ret = -ENOMEM;
1195 goto no_ddrpll_mem;
1196 }
1197
1198 pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
1199 if (!pdata->ddrpsc_reg_base) {
1200 ret = -ENOMEM;
1201 goto no_ddrpsc_mem;
1202 }
1203
1204 return platform_device_register(pdev);
1205
1206 no_ddrpsc_mem:
1207 iounmap(pdata->ddrpll_reg_base);
1208 no_ddrpll_mem:
1209 iounmap(pdata->cpupll_reg_base);
1210 return ret;
1211 }
1212
1213 /* VPIF resource, platform data */
1214 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
1215
1216 static struct resource da850_vpif_resource[] = {
1217 {
1218 .start = DA8XX_VPIF_BASE,
1219 .end = DA8XX_VPIF_BASE + 0xfff,
1220 .flags = IORESOURCE_MEM,
1221 }
1222 };
1223
1224 static struct platform_device da850_vpif_dev = {
1225 .name = "vpif",
1226 .id = -1,
1227 .dev = {
1228 .dma_mask = &da850_vpif_dma_mask,
1229 .coherent_dma_mask = DMA_BIT_MASK(32),
1230 },
1231 .resource = da850_vpif_resource,
1232 .num_resources = ARRAY_SIZE(da850_vpif_resource),
1233 };
1234
1235 static struct resource da850_vpif_display_resource[] = {
1236 {
1237 .start = IRQ_DA850_VPIFINT,
1238 .end = IRQ_DA850_VPIFINT,
1239 .flags = IORESOURCE_IRQ,
1240 },
1241 };
1242
1243 static struct platform_device da850_vpif_display_dev = {
1244 .name = "vpif_display",
1245 .id = -1,
1246 .dev = {
1247 .dma_mask = &da850_vpif_dma_mask,
1248 .coherent_dma_mask = DMA_BIT_MASK(32),
1249 },
1250 .resource = da850_vpif_display_resource,
1251 .num_resources = ARRAY_SIZE(da850_vpif_display_resource),
1252 };
1253
1254 static struct resource da850_vpif_capture_resource[] = {
1255 {
1256 .start = IRQ_DA850_VPIFINT,
1257 .end = IRQ_DA850_VPIFINT,
1258 .flags = IORESOURCE_IRQ,
1259 },
1260 {
1261 .start = IRQ_DA850_VPIFINT,
1262 .end = IRQ_DA850_VPIFINT,
1263 .flags = IORESOURCE_IRQ,
1264 },
1265 };
1266
1267 static struct platform_device da850_vpif_capture_dev = {
1268 .name = "vpif_capture",
1269 .id = -1,
1270 .dev = {
1271 .dma_mask = &da850_vpif_dma_mask,
1272 .coherent_dma_mask = DMA_BIT_MASK(32),
1273 },
1274 .resource = da850_vpif_capture_resource,
1275 .num_resources = ARRAY_SIZE(da850_vpif_capture_resource),
1276 };
1277
1278 int __init da850_register_vpif(void)
1279 {
1280 return platform_device_register(&da850_vpif_dev);
1281 }
1282
1283 int __init da850_register_vpif_display(struct vpif_display_config
1284 *display_config)
1285 {
1286 da850_vpif_display_dev.dev.platform_data = display_config;
1287 return platform_device_register(&da850_vpif_display_dev);
1288 }
1289
1290 int __init da850_register_vpif_capture(struct vpif_capture_config
1291 *capture_config)
1292 {
1293 da850_vpif_capture_dev.dev.platform_data = capture_config;
1294 return platform_device_register(&da850_vpif_capture_dev);
1295 }
1296
1297 static struct davinci_gpio_platform_data da850_gpio_platform_data = {
1298 .ngpio = 144,
1299 };
1300
1301 int __init da850_register_gpio(void)
1302 {
1303 return da8xx_register_gpio(&da850_gpio_platform_data);
1304 }
1305
1306 static struct davinci_soc_info davinci_soc_info_da850 = {
1307 .io_desc = da850_io_desc,
1308 .io_desc_num = ARRAY_SIZE(da850_io_desc),
1309 .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
1310 .ids = da850_ids,
1311 .ids_num = ARRAY_SIZE(da850_ids),
1312 .cpu_clks = da850_clks,
1313 .psc_bases = da850_psc_bases,
1314 .psc_bases_num = ARRAY_SIZE(da850_psc_bases),
1315 .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
1316 .pinmux_pins = da850_pins,
1317 .pinmux_pins_num = ARRAY_SIZE(da850_pins),
1318 .intc_base = DA8XX_CP_INTC_BASE,
1319 .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
1320 .intc_irq_prios = da850_default_priorities,
1321 .intc_irq_num = DA850_N_CP_INTC_IRQ,
1322 .timer_info = &da850_timer_info,
1323 .emac_pdata = &da8xx_emac_pdata,
1324 .sram_dma = DA8XX_SHARED_RAM_BASE,
1325 .sram_len = SZ_128K,
1326 };
1327
1328 void __init da850_init(void)
1329 {
1330 unsigned int v;
1331
1332 davinci_common_init(&davinci_soc_info_da850);
1333
1334 da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
1335 if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
1336 return;
1337
1338 da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
1339 if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
1340 return;
1341
1342 /* Unlock writing to PLL0 registers */
1343 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1344 v &= ~CFGCHIP0_PLL_MASTER_LOCK;
1345 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1346
1347 /* Unlock writing to PLL1 registers */
1348 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1349 v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
1350 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1351
1352 davinci_clk_init(davinci_soc_info_da850.cpu_clks);
1353 }
Linux kernel - Deliverables
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