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x86/boot: Rename overlapping memcpy() to memmove()
[linux/fpc-iii.git] / arch / arm / mach-davinci / da850.c
blob97d8779a9a65d788bde6b98c342b2bae1771e35d
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 /* SoC specific clock flags */
38 #define DA850_CLK_ASYNC3 BIT(16)
39
40 #define DA850_PLL1_BASE 0x01e1a000
41 #define DA850_TIMER64P2_BASE 0x01f0c000
42 #define DA850_TIMER64P3_BASE 0x01f0d000
43
44 #define DA850_REF_FREQ 24000000
45
46 #define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
47 #define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
48 #define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
49
50 static int da850_set_armrate(struct clk *clk, unsigned long rate);
51 static int da850_round_armrate(struct clk *clk, unsigned long rate);
52 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
53
54 static struct pll_data pll0_data = {
55 .num = 1,
56 .phys_base = DA8XX_PLL0_BASE,
57 .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
58 };
59
60 static struct clk ref_clk = {
61 .name = "ref_clk",
62 .rate = DA850_REF_FREQ,
63 .set_rate = davinci_simple_set_rate,
64 };
65
66 static struct clk pll0_clk = {
67 .name = "pll0",
68 .parent = &ref_clk,
69 .pll_data = &pll0_data,
70 .flags = CLK_PLL,
71 .set_rate = da850_set_pll0rate,
72 };
73
74 static struct clk pll0_aux_clk = {
75 .name = "pll0_aux_clk",
76 .parent = &pll0_clk,
77 .flags = CLK_PLL | PRE_PLL,
78 };
79
80 static struct clk pll0_sysclk1 = {
81 .name = "pll0_sysclk1",
82 .parent = &pll0_clk,
83 .flags = CLK_PLL,
84 .div_reg = PLLDIV1,
85 };
86
87 static struct clk pll0_sysclk2 = {
88 .name = "pll0_sysclk2",
89 .parent = &pll0_clk,
90 .flags = CLK_PLL,
91 .div_reg = PLLDIV2,
92 };
93
94 static struct clk pll0_sysclk3 = {
95 .name = "pll0_sysclk3",
96 .parent = &pll0_clk,
97 .flags = CLK_PLL,
98 .div_reg = PLLDIV3,
99 .set_rate = davinci_set_sysclk_rate,
100 .maxrate = 100000000,
101 };
102
103 static struct clk pll0_sysclk4 = {
104 .name = "pll0_sysclk4",
105 .parent = &pll0_clk,
106 .flags = CLK_PLL,
107 .div_reg = PLLDIV4,
108 };
109
110 static struct clk pll0_sysclk5 = {
111 .name = "pll0_sysclk5",
112 .parent = &pll0_clk,
113 .flags = CLK_PLL,
114 .div_reg = PLLDIV5,
115 };
116
117 static struct clk pll0_sysclk6 = {
118 .name = "pll0_sysclk6",
119 .parent = &pll0_clk,
120 .flags = CLK_PLL,
121 .div_reg = PLLDIV6,
122 };
123
124 static struct clk pll0_sysclk7 = {
125 .name = "pll0_sysclk7",
126 .parent = &pll0_clk,
127 .flags = CLK_PLL,
128 .div_reg = PLLDIV7,
129 };
130
131 static struct pll_data pll1_data = {
132 .num = 2,
133 .phys_base = DA850_PLL1_BASE,
134 .flags = PLL_HAS_POSTDIV,
135 };
136
137 static struct clk pll1_clk = {
138 .name = "pll1",
139 .parent = &ref_clk,
140 .pll_data = &pll1_data,
141 .flags = CLK_PLL,
142 };
143
144 static struct clk pll1_aux_clk = {
145 .name = "pll1_aux_clk",
146 .parent = &pll1_clk,
147 .flags = CLK_PLL | PRE_PLL,
148 };
149
150 static struct clk pll1_sysclk2 = {
151 .name = "pll1_sysclk2",
152 .parent = &pll1_clk,
153 .flags = CLK_PLL,
154 .div_reg = PLLDIV2,
155 };
156
157 static struct clk pll1_sysclk3 = {
158 .name = "pll1_sysclk3",
159 .parent = &pll1_clk,
160 .flags = CLK_PLL,
161 .div_reg = PLLDIV3,
162 };
163
164 static struct clk i2c0_clk = {
165 .name = "i2c0",
166 .parent = &pll0_aux_clk,
167 };
168
169 static struct clk timerp64_0_clk = {
170 .name = "timer0",
171 .parent = &pll0_aux_clk,
172 };
173
174 static struct clk timerp64_1_clk = {
175 .name = "timer1",
176 .parent = &pll0_aux_clk,
177 };
178
179 static struct clk arm_rom_clk = {
180 .name = "arm_rom",
181 .parent = &pll0_sysclk2,
182 .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
183 .flags = ALWAYS_ENABLED,
184 };
185
186 static struct clk tpcc0_clk = {
187 .name = "tpcc0",
188 .parent = &pll0_sysclk2,
189 .lpsc = DA8XX_LPSC0_TPCC,
190 .flags = ALWAYS_ENABLED | CLK_PSC,
191 };
192
193 static struct clk tptc0_clk = {
194 .name = "tptc0",
195 .parent = &pll0_sysclk2,
196 .lpsc = DA8XX_LPSC0_TPTC0,
197 .flags = ALWAYS_ENABLED,
198 };
199
200 static struct clk tptc1_clk = {
201 .name = "tptc1",
202 .parent = &pll0_sysclk2,
203 .lpsc = DA8XX_LPSC0_TPTC1,
204 .flags = ALWAYS_ENABLED,
205 };
206
207 static struct clk tpcc1_clk = {
208 .name = "tpcc1",
209 .parent = &pll0_sysclk2,
210 .lpsc = DA850_LPSC1_TPCC1,
211 .gpsc = 1,
212 .flags = CLK_PSC | ALWAYS_ENABLED,
213 };
214
215 static struct clk tptc2_clk = {
216 .name = "tptc2",
217 .parent = &pll0_sysclk2,
218 .lpsc = DA850_LPSC1_TPTC2,
219 .gpsc = 1,
220 .flags = ALWAYS_ENABLED,
221 };
222
223 static struct clk pruss_clk = {
224 .name = "pruss",
225 .parent = &pll0_sysclk2,
226 .lpsc = DA8XX_LPSC0_PRUSS,
227 };
228
229 static struct clk uart0_clk = {
230 .name = "uart0",
231 .parent = &pll0_sysclk2,
232 .lpsc = DA8XX_LPSC0_UART0,
233 };
234
235 static struct clk uart1_clk = {
236 .name = "uart1",
237 .parent = &pll0_sysclk2,
238 .lpsc = DA8XX_LPSC1_UART1,
239 .gpsc = 1,
240 .flags = DA850_CLK_ASYNC3,
241 };
242
243 static struct clk uart2_clk = {
244 .name = "uart2",
245 .parent = &pll0_sysclk2,
246 .lpsc = DA8XX_LPSC1_UART2,
247 .gpsc = 1,
248 .flags = DA850_CLK_ASYNC3,
249 };
250
251 static struct clk aintc_clk = {
252 .name = "aintc",
253 .parent = &pll0_sysclk4,
254 .lpsc = DA8XX_LPSC0_AINTC,
255 .flags = ALWAYS_ENABLED,
256 };
257
258 static struct clk gpio_clk = {
259 .name = "gpio",
260 .parent = &pll0_sysclk4,
261 .lpsc = DA8XX_LPSC1_GPIO,
262 .gpsc = 1,
263 };
264
265 static struct clk i2c1_clk = {
266 .name = "i2c1",
267 .parent = &pll0_sysclk4,
268 .lpsc = DA8XX_LPSC1_I2C,
269 .gpsc = 1,
270 };
271
272 static struct clk emif3_clk = {
273 .name = "emif3",
274 .parent = &pll0_sysclk5,
275 .lpsc = DA8XX_LPSC1_EMIF3C,
276 .gpsc = 1,
277 .flags = ALWAYS_ENABLED,
278 };
279
280 static struct clk arm_clk = {
281 .name = "arm",
282 .parent = &pll0_sysclk6,
283 .lpsc = DA8XX_LPSC0_ARM,
284 .flags = ALWAYS_ENABLED,
285 .set_rate = da850_set_armrate,
286 .round_rate = da850_round_armrate,
287 };
288
289 static struct clk rmii_clk = {
290 .name = "rmii",
291 .parent = &pll0_sysclk7,
292 };
293
294 static struct clk emac_clk = {
295 .name = "emac",
296 .parent = &pll0_sysclk4,
297 .lpsc = DA8XX_LPSC1_CPGMAC,
298 .gpsc = 1,
299 };
300
301 static struct clk mcasp_clk = {
302 .name = "mcasp",
303 .parent = &pll0_sysclk2,
304 .lpsc = DA8XX_LPSC1_McASP0,
305 .gpsc = 1,
306 .flags = DA850_CLK_ASYNC3,
307 };
308
309 static struct clk lcdc_clk = {
310 .name = "lcdc",
311 .parent = &pll0_sysclk2,
312 .lpsc = DA8XX_LPSC1_LCDC,
313 .gpsc = 1,
314 };
315
316 static struct clk mmcsd0_clk = {
317 .name = "mmcsd0",
318 .parent = &pll0_sysclk2,
319 .lpsc = DA8XX_LPSC0_MMC_SD,
320 };
321
322 static struct clk mmcsd1_clk = {
323 .name = "mmcsd1",
324 .parent = &pll0_sysclk2,
325 .lpsc = DA850_LPSC1_MMC_SD1,
326 .gpsc = 1,
327 };
328
329 static struct clk aemif_clk = {
330 .name = "aemif",
331 .parent = &pll0_sysclk3,
332 .lpsc = DA8XX_LPSC0_EMIF25,
333 .flags = ALWAYS_ENABLED,
334 };
335
336 static struct clk usb11_clk = {
337 .name = "usb11",
338 .parent = &pll0_sysclk4,
339 .lpsc = DA8XX_LPSC1_USB11,
340 .gpsc = 1,
341 };
342
343 static struct clk usb20_clk = {
344 .name = "usb20",
345 .parent = &pll0_sysclk2,
346 .lpsc = DA8XX_LPSC1_USB20,
347 .gpsc = 1,
348 };
349
350 static struct clk spi0_clk = {
351 .name = "spi0",
352 .parent = &pll0_sysclk2,
353 .lpsc = DA8XX_LPSC0_SPI0,
354 };
355
356 static struct clk spi1_clk = {
357 .name = "spi1",
358 .parent = &pll0_sysclk2,
359 .lpsc = DA8XX_LPSC1_SPI1,
360 .gpsc = 1,
361 .flags = DA850_CLK_ASYNC3,
362 };
363
364 static struct clk vpif_clk = {
365 .name = "vpif",
366 .parent = &pll0_sysclk2,
367 .lpsc = DA850_LPSC1_VPIF,
368 .gpsc = 1,
369 };
370
371 static struct clk sata_clk = {
372 .name = "sata",
373 .parent = &pll0_sysclk2,
374 .lpsc = DA850_LPSC1_SATA,
375 .gpsc = 1,
376 .flags = PSC_FORCE,
377 };
378
379 static struct clk dsp_clk = {
380 .name = "dsp",
381 .parent = &pll0_sysclk1,
382 .domain = DAVINCI_GPSC_DSPDOMAIN,
383 .lpsc = DA8XX_LPSC0_GEM,
384 .flags = PSC_LRST | PSC_FORCE,
385 };
386
387 static struct clk ehrpwm_clk = {
388 .name = "ehrpwm",
389 .parent = &pll0_sysclk2,
390 .lpsc = DA8XX_LPSC1_PWM,
391 .gpsc = 1,
392 .flags = DA850_CLK_ASYNC3,
393 };
394
395 #define DA8XX_EHRPWM_TBCLKSYNC BIT(12)
396
397 static void ehrpwm_tblck_enable(struct clk *clk)
398 {
399 u32 val;
400
401 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
402 val |= DA8XX_EHRPWM_TBCLKSYNC;
403 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
404 }
405
406 static void ehrpwm_tblck_disable(struct clk *clk)
407 {
408 u32 val;
409
410 val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
411 val &= ~DA8XX_EHRPWM_TBCLKSYNC;
412 writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
413 }
414
415 static struct clk ehrpwm_tbclk = {
416 .name = "ehrpwm_tbclk",
417 .parent = &ehrpwm_clk,
418 .clk_enable = ehrpwm_tblck_enable,
419 .clk_disable = ehrpwm_tblck_disable,
420 };
421
422 static struct clk ecap_clk = {
423 .name = "ecap",
424 .parent = &pll0_sysclk2,
425 .lpsc = DA8XX_LPSC1_ECAP,
426 .gpsc = 1,
427 .flags = DA850_CLK_ASYNC3,
428 };
429
430 static struct clk_lookup da850_clks[] = {
431 CLK(NULL, "ref", &ref_clk),
432 CLK(NULL, "pll0", &pll0_clk),
433 CLK(NULL, "pll0_aux", &pll0_aux_clk),
434 CLK(NULL, "pll0_sysclk1", &pll0_sysclk1),
435 CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
436 CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
437 CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
438 CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
439 CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
440 CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
441 CLK(NULL, "pll1", &pll1_clk),
442 CLK(NULL, "pll1_aux", &pll1_aux_clk),
443 CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
444 CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
445 CLK("i2c_davinci.1", NULL, &i2c0_clk),
446 CLK(NULL, "timer0", &timerp64_0_clk),
447 CLK("davinci-wdt", NULL, &timerp64_1_clk),
448 CLK(NULL, "arm_rom", &arm_rom_clk),
449 CLK(NULL, "tpcc0", &tpcc0_clk),
450 CLK(NULL, "tptc0", &tptc0_clk),
451 CLK(NULL, "tptc1", &tptc1_clk),
452 CLK(NULL, "tpcc1", &tpcc1_clk),
453 CLK(NULL, "tptc2", &tptc2_clk),
454 CLK("pruss_uio", "pruss", &pruss_clk),
455 CLK("serial8250.0", NULL, &uart0_clk),
456 CLK("serial8250.1", NULL, &uart1_clk),
457 CLK("serial8250.2", NULL, &uart2_clk),
458 CLK(NULL, "aintc", &aintc_clk),
459 CLK(NULL, "gpio", &gpio_clk),
460 CLK("i2c_davinci.2", NULL, &i2c1_clk),
461 CLK(NULL, "emif3", &emif3_clk),
462 CLK(NULL, "arm", &arm_clk),
463 CLK(NULL, "rmii", &rmii_clk),
464 CLK("davinci_emac.1", NULL, &emac_clk),
465 CLK("davinci_mdio.0", "fck", &emac_clk),
466 CLK("davinci-mcasp.0", NULL, &mcasp_clk),
467 CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
468 CLK("da830-mmc.0", NULL, &mmcsd0_clk),
469 CLK("da830-mmc.1", NULL, &mmcsd1_clk),
470 CLK(NULL, "aemif", &aemif_clk),
471 CLK(NULL, "usb11", &usb11_clk),
472 CLK(NULL, "usb20", &usb20_clk),
473 CLK("spi_davinci.0", NULL, &spi0_clk),
474 CLK("spi_davinci.1", NULL, &spi1_clk),
475 CLK("vpif", NULL, &vpif_clk),
476 CLK("ahci_da850", NULL, &sata_clk),
477 CLK("davinci-rproc.0", NULL, &dsp_clk),
478 CLK("ehrpwm", "fck", &ehrpwm_clk),
479 CLK("ehrpwm", "tbclk", &ehrpwm_tbclk),
480 CLK("ecap", "fck", &ecap_clk),
481 CLK(NULL, NULL, NULL),
482 };
483
484 /*
485 * Device specific mux setup
486 *
487 * soc description mux mode mode mux dbg
488 * reg offset mask mode
489 */
490 static const struct mux_config da850_pins[] = {
491 #ifdef CONFIG_DAVINCI_MUX
492 /* UART0 function */
493 MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
494 MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
495 MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
496 MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
497 /* UART1 function */
498 MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
499 MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
500 /* UART2 function */
501 MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
502 MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
503 /* I2C1 function */
504 MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
505 MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
506 /* I2C0 function */
507 MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
508 MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
509 /* EMAC function */
510 MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
511 MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
512 MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
513 MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
514 MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
515 MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
516 MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
517 MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
518 MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
519 MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
520 MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
521 MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
522 MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
523 MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
524 MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
525 MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
526 MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
527 MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false)
528 MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false)
529 MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false)
530 MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false)
531 MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false)
532 MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false)
533 MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false)
534 MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false)
535 /* McASP function */
536 MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
537 MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
538 MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
539 MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
540 MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
541 MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
542 MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
543 MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
544 MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
545 MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
546 MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
547 MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
548 MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
549 MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
550 MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
551 MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
552 MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
553 MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
554 MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
555 MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
556 MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
557 MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
558 MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
559 /* LCD function */
560 MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
561 MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
562 MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
563 MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
564 MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
565 MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
566 MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
567 MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
568 MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
569 MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
570 MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
571 MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
572 MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
573 MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
574 MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
575 MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
576 MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
577 MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
578 MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
579 MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
580 /* MMC/SD0 function */
581 MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
582 MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
583 MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
584 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
585 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
586 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
587 /* MMC/SD1 function */
588 MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false)
589 MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false)
590 MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false)
591 MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false)
592 MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false)
593 MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false)
594 /* EMIF2.5/EMIFA function */
595 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
596 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
597 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
598 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
599 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
600 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
601 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
602 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
603 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
604 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
605 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
606 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
607 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
608 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
609 MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
610 MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
611 MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
612 MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
613 MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
614 MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
615 MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
616 MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
617 MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
618 MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
619 MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
620 MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
621 MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
622 MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
623 MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
624 MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
625 MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
626 MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
627 MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
628 MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
629 MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
630 MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
631 MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
632 MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
633 MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
634 MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
635 MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
636 MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
637 MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
638 MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
639 MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
640 MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
641 MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
642 MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
643 /* GPIO function */
644 MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
645 MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
646 MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
647 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
648 MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
649 MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false)
650 MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
651 MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
652 MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false)
653 MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false)
654 MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
655 MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
656 /* VPIF Capture */
657 MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false)
658 MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false)
659 MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false)
660 MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false)
661 MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false)
662 MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false)
663 MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false)
664 MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false)
665 MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false)
666 MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false)
667 MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false)
668 MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false)
669 MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false)
670 MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false)
671 MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false)
672 MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false)
673 MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false)
674 MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false)
675 MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false)
676 MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false)
677 /* VPIF Display */
678 MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false)
679 MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false)
680 MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false)
681 MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false)
682 MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false)
683 MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false)
684 MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false)
685 MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false)
686 MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false)
687 MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false)
688 MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false)
689 MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false)
690 MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false)
691 MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false)
692 MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false)
693 MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false)
694 MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false)
695 MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false)
696 #endif
697 };
698
699 const short da850_i2c0_pins[] __initconst = {
700 DA850_I2C0_SDA, DA850_I2C0_SCL,
701 -1
702 };
703
704 const short da850_i2c1_pins[] __initconst = {
705 DA850_I2C1_SCL, DA850_I2C1_SDA,
706 -1
707 };
708
709 const short da850_lcdcntl_pins[] __initconst = {
710 DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
711 DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
712 DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
713 DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
714 DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
715 -1
716 };
717
718 const short da850_vpif_capture_pins[] __initconst = {
719 DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
720 DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
721 DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
722 DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
723 DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
724 DA850_VPIF_CLKIN3,
725 -1
726 };
727
728 const short da850_vpif_display_pins[] __initconst = {
729 DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
730 DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
731 DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
732 DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
733 DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
734 DA850_VPIF_CLKO3,
735 -1
736 };
737
738 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
739 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
740 [IRQ_DA8XX_COMMTX] = 7,
741 [IRQ_DA8XX_COMMRX] = 7,
742 [IRQ_DA8XX_NINT] = 7,
743 [IRQ_DA8XX_EVTOUT0] = 7,
744 [IRQ_DA8XX_EVTOUT1] = 7,
745 [IRQ_DA8XX_EVTOUT2] = 7,
746 [IRQ_DA8XX_EVTOUT3] = 7,
747 [IRQ_DA8XX_EVTOUT4] = 7,
748 [IRQ_DA8XX_EVTOUT5] = 7,
749 [IRQ_DA8XX_EVTOUT6] = 7,
750 [IRQ_DA8XX_EVTOUT7] = 7,
751 [IRQ_DA8XX_CCINT0] = 7,
752 [IRQ_DA8XX_CCERRINT] = 7,
753 [IRQ_DA8XX_TCERRINT0] = 7,
754 [IRQ_DA8XX_AEMIFINT] = 7,
755 [IRQ_DA8XX_I2CINT0] = 7,
756 [IRQ_DA8XX_MMCSDINT0] = 7,
757 [IRQ_DA8XX_MMCSDINT1] = 7,
758 [IRQ_DA8XX_ALLINT0] = 7,
759 [IRQ_DA8XX_RTC] = 7,
760 [IRQ_DA8XX_SPINT0] = 7,
761 [IRQ_DA8XX_TINT12_0] = 7,
762 [IRQ_DA8XX_TINT34_0] = 7,
763 [IRQ_DA8XX_TINT12_1] = 7,
764 [IRQ_DA8XX_TINT34_1] = 7,
765 [IRQ_DA8XX_UARTINT0] = 7,
766 [IRQ_DA8XX_KEYMGRINT] = 7,
767 [IRQ_DA850_MPUADDRERR0] = 7,
768 [IRQ_DA8XX_CHIPINT0] = 7,
769 [IRQ_DA8XX_CHIPINT1] = 7,
770 [IRQ_DA8XX_CHIPINT2] = 7,
771 [IRQ_DA8XX_CHIPINT3] = 7,
772 [IRQ_DA8XX_TCERRINT1] = 7,
773 [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
774 [IRQ_DA8XX_C0_RX_PULSE] = 7,
775 [IRQ_DA8XX_C0_TX_PULSE] = 7,
776 [IRQ_DA8XX_C0_MISC_PULSE] = 7,
777 [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
778 [IRQ_DA8XX_C1_RX_PULSE] = 7,
779 [IRQ_DA8XX_C1_TX_PULSE] = 7,
780 [IRQ_DA8XX_C1_MISC_PULSE] = 7,
781 [IRQ_DA8XX_MEMERR] = 7,
782 [IRQ_DA8XX_GPIO0] = 7,
783 [IRQ_DA8XX_GPIO1] = 7,
784 [IRQ_DA8XX_GPIO2] = 7,
785 [IRQ_DA8XX_GPIO3] = 7,
786 [IRQ_DA8XX_GPIO4] = 7,
787 [IRQ_DA8XX_GPIO5] = 7,
788 [IRQ_DA8XX_GPIO6] = 7,
789 [IRQ_DA8XX_GPIO7] = 7,
790 [IRQ_DA8XX_GPIO8] = 7,
791 [IRQ_DA8XX_I2CINT1] = 7,
792 [IRQ_DA8XX_LCDINT] = 7,
793 [IRQ_DA8XX_UARTINT1] = 7,
794 [IRQ_DA8XX_MCASPINT] = 7,
795 [IRQ_DA8XX_ALLINT1] = 7,
796 [IRQ_DA8XX_SPINT1] = 7,
797 [IRQ_DA8XX_UHPI_INT1] = 7,
798 [IRQ_DA8XX_USB_INT] = 7,
799 [IRQ_DA8XX_IRQN] = 7,
800 [IRQ_DA8XX_RWAKEUP] = 7,
801 [IRQ_DA8XX_UARTINT2] = 7,
802 [IRQ_DA8XX_DFTSSINT] = 7,
803 [IRQ_DA8XX_EHRPWM0] = 7,
804 [IRQ_DA8XX_EHRPWM0TZ] = 7,
805 [IRQ_DA8XX_EHRPWM1] = 7,
806 [IRQ_DA8XX_EHRPWM1TZ] = 7,
807 [IRQ_DA850_SATAINT] = 7,
808 [IRQ_DA850_TINTALL_2] = 7,
809 [IRQ_DA8XX_ECAP0] = 7,
810 [IRQ_DA8XX_ECAP1] = 7,
811 [IRQ_DA8XX_ECAP2] = 7,
812 [IRQ_DA850_MMCSDINT0_1] = 7,
813 [IRQ_DA850_MMCSDINT1_1] = 7,
814 [IRQ_DA850_T12CMPINT0_2] = 7,
815 [IRQ_DA850_T12CMPINT1_2] = 7,
816 [IRQ_DA850_T12CMPINT2_2] = 7,
817 [IRQ_DA850_T12CMPINT3_2] = 7,
818 [IRQ_DA850_T12CMPINT4_2] = 7,
819 [IRQ_DA850_T12CMPINT5_2] = 7,
820 [IRQ_DA850_T12CMPINT6_2] = 7,
821 [IRQ_DA850_T12CMPINT7_2] = 7,
822 [IRQ_DA850_T12CMPINT0_3] = 7,
823 [IRQ_DA850_T12CMPINT1_3] = 7,
824 [IRQ_DA850_T12CMPINT2_3] = 7,
825 [IRQ_DA850_T12CMPINT3_3] = 7,
826 [IRQ_DA850_T12CMPINT4_3] = 7,
827 [IRQ_DA850_T12CMPINT5_3] = 7,
828 [IRQ_DA850_T12CMPINT6_3] = 7,
829 [IRQ_DA850_T12CMPINT7_3] = 7,
830 [IRQ_DA850_RPIINT] = 7,
831 [IRQ_DA850_VPIFINT] = 7,
832 [IRQ_DA850_CCINT1] = 7,
833 [IRQ_DA850_CCERRINT1] = 7,
834 [IRQ_DA850_TCERRINT2] = 7,
835 [IRQ_DA850_TINTALL_3] = 7,
836 [IRQ_DA850_MCBSP0RINT] = 7,
837 [IRQ_DA850_MCBSP0XINT] = 7,
838 [IRQ_DA850_MCBSP1RINT] = 7,
839 [IRQ_DA850_MCBSP1XINT] = 7,
840 [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
841 };
842
843 static struct map_desc da850_io_desc[] = {
844 {
845 .virtual = IO_VIRT,
846 .pfn = __phys_to_pfn(IO_PHYS),
847 .length = IO_SIZE,
848 .type = MT_DEVICE
849 },
850 {
851 .virtual = DA8XX_CP_INTC_VIRT,
852 .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
853 .length = DA8XX_CP_INTC_SIZE,
854 .type = MT_DEVICE
855 },
856 };
857
858 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
859
860 /* Contents of JTAG ID register used to identify exact cpu type */
861 static struct davinci_id da850_ids[] = {
862 {
863 .variant = 0x0,
864 .part_no = 0xb7d1,
865 .manufacturer = 0x017, /* 0x02f >> 1 */
866 .cpu_id = DAVINCI_CPU_ID_DA850,
867 .name = "da850/omap-l138",
868 },
869 {
870 .variant = 0x1,
871 .part_no = 0xb7d1,
872 .manufacturer = 0x017, /* 0x02f >> 1 */
873 .cpu_id = DAVINCI_CPU_ID_DA850,
874 .name = "da850/omap-l138/am18x",
875 },
876 };
877
878 static struct davinci_timer_instance da850_timer_instance[4] = {
879 {
880 .base = DA8XX_TIMER64P0_BASE,
881 .bottom_irq = IRQ_DA8XX_TINT12_0,
882 .top_irq = IRQ_DA8XX_TINT34_0,
883 },
884 {
885 .base = DA8XX_TIMER64P1_BASE,
886 .bottom_irq = IRQ_DA8XX_TINT12_1,
887 .top_irq = IRQ_DA8XX_TINT34_1,
888 },
889 {
890 .base = DA850_TIMER64P2_BASE,
891 .bottom_irq = IRQ_DA850_TINT12_2,
892 .top_irq = IRQ_DA850_TINT34_2,
893 },
894 {
895 .base = DA850_TIMER64P3_BASE,
896 .bottom_irq = IRQ_DA850_TINT12_3,
897 .top_irq = IRQ_DA850_TINT34_3,
898 },
899 };
900
901 /*
902 * T0_BOT: Timer 0, bottom : Used for clock_event
903 * T0_TOP: Timer 0, top : Used for clocksource
904 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
905 */
906 static struct davinci_timer_info da850_timer_info = {
907 .timers = da850_timer_instance,
908 .clockevent_id = T0_BOT,
909 .clocksource_id = T0_TOP,
910 };
911
912 static void da850_set_async3_src(int pllnum)
913 {
914 struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
915 struct clk_lookup *c;
916 unsigned int v;
917 int ret;
918
919 for (c = da850_clks; c->clk; c++) {
920 clk = c->clk;
921 if (clk->flags & DA850_CLK_ASYNC3) {
922 ret = clk_set_parent(clk, newparent);
923 WARN(ret, "DA850: unable to re-parent clock %s",
924 clk->name);
925 }
926 }
927
928 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
929 if (pllnum)
930 v |= CFGCHIP3_ASYNC3_CLKSRC;
931 else
932 v &= ~CFGCHIP3_ASYNC3_CLKSRC;
933 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
934 }
935
936 #ifdef CONFIG_CPU_FREQ
937 /*
938 * Notes:
939 * According to the TRM, minimum PLLM results in maximum power savings.
940 * The OPP definitions below should keep the PLLM as low as possible.
941 *
942 * The output of the PLLM must be between 300 to 600 MHz.
943 */
944 struct da850_opp {
945 unsigned int freq; /* in KHz */
946 unsigned int prediv;
947 unsigned int mult;
948 unsigned int postdiv;
949 unsigned int cvdd_min; /* in uV */
950 unsigned int cvdd_max; /* in uV */
951 };
952
953 static const struct da850_opp da850_opp_456 = {
954 .freq = 456000,
955 .prediv = 1,
956 .mult = 19,
957 .postdiv = 1,
958 .cvdd_min = 1300000,
959 .cvdd_max = 1350000,
960 };
961
962 static const struct da850_opp da850_opp_408 = {
963 .freq = 408000,
964 .prediv = 1,
965 .mult = 17,
966 .postdiv = 1,
967 .cvdd_min = 1300000,
968 .cvdd_max = 1350000,
969 };
970
971 static const struct da850_opp da850_opp_372 = {
972 .freq = 372000,
973 .prediv = 2,
974 .mult = 31,
975 .postdiv = 1,
976 .cvdd_min = 1200000,
977 .cvdd_max = 1320000,
978 };
979
980 static const struct da850_opp da850_opp_300 = {
981 .freq = 300000,
982 .prediv = 1,
983 .mult = 25,
984 .postdiv = 2,
985 .cvdd_min = 1200000,
986 .cvdd_max = 1320000,
987 };
988
989 static const struct da850_opp da850_opp_200 = {
990 .freq = 200000,
991 .prediv = 1,
992 .mult = 25,
993 .postdiv = 3,
994 .cvdd_min = 1100000,
995 .cvdd_max = 1160000,
996 };
997
998 static const struct da850_opp da850_opp_96 = {
999 .freq = 96000,
1000 .prediv = 1,
1001 .mult = 20,
1002 .postdiv = 5,
1003 .cvdd_min = 1000000,
1004 .cvdd_max = 1050000,
1005 };
1006
1007 #define OPP(freq) \
1008 { \
1009 .driver_data = (unsigned int) &da850_opp_##freq, \
1010 .frequency = freq * 1000, \
1011 }
1012
1013 static struct cpufreq_frequency_table da850_freq_table[] = {
1014 OPP(456),
1015 OPP(408),
1016 OPP(372),
1017 OPP(300),
1018 OPP(200),
1019 OPP(96),
1020 {
1021 .driver_data = 0,
1022 .frequency = CPUFREQ_TABLE_END,
1023 },
1024 };
1025
1026 #ifdef CONFIG_REGULATOR
1027 static int da850_set_voltage(unsigned int index);
1028 static int da850_regulator_init(void);
1029 #endif
1030
1031 static struct davinci_cpufreq_config cpufreq_info = {
1032 .freq_table = da850_freq_table,
1033 #ifdef CONFIG_REGULATOR
1034 .init = da850_regulator_init,
1035 .set_voltage = da850_set_voltage,
1036 #endif
1037 };
1038
1039 #ifdef CONFIG_REGULATOR
1040 static struct regulator *cvdd;
1041
1042 static int da850_set_voltage(unsigned int index)
1043 {
1044 struct da850_opp *opp;
1045
1046 if (!cvdd)
1047 return -ENODEV;
1048
1049 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
1050
1051 return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
1052 }
1053
1054 static int da850_regulator_init(void)
1055 {
1056 cvdd = regulator_get(NULL, "cvdd");
1057 if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
1058 " voltage scaling unsupported\n")) {
1059 return PTR_ERR(cvdd);
1060 }
1061
1062 return 0;
1063 }
1064 #endif
1065
1066 static struct platform_device da850_cpufreq_device = {
1067 .name = "cpufreq-davinci",
1068 .dev = {
1069 .platform_data = &cpufreq_info,
1070 },
1071 .id = -1,
1072 };
1073
1074 unsigned int da850_max_speed = 300000;
1075
1076 int da850_register_cpufreq(char *async_clk)
1077 {
1078 int i;
1079
1080 /* cpufreq driver can help keep an "async" clock constant */
1081 if (async_clk)
1082 clk_add_alias("async", da850_cpufreq_device.name,
1083 async_clk, NULL);
1084 for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
1085 if (da850_freq_table[i].frequency <= da850_max_speed) {
1086 cpufreq_info.freq_table = &da850_freq_table[i];
1087 break;
1088 }
1089 }
1090
1091 return platform_device_register(&da850_cpufreq_device);
1092 }
1093
1094 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1095 {
1096 int ret = 0, diff;
1097 unsigned int best = (unsigned int) -1;
1098 struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
1099 struct cpufreq_frequency_table *pos;
1100
1101 rate /= 1000; /* convert to kHz */
1102
1103 cpufreq_for_each_entry(pos, table) {
1104 diff = pos->frequency - rate;
1105 if (diff < 0)
1106 diff = -diff;
1107
1108 if (diff < best) {
1109 best = diff;
1110 ret = pos->frequency;
1111 }
1112 }
1113
1114 return ret * 1000;
1115 }
1116
1117 static int da850_set_armrate(struct clk *clk, unsigned long index)
1118 {
1119 struct clk *pllclk = &pll0_clk;
1120
1121 return clk_set_rate(pllclk, index);
1122 }
1123
1124 static int da850_set_pll0rate(struct clk *clk, unsigned long index)
1125 {
1126 unsigned int prediv, mult, postdiv;
1127 struct da850_opp *opp;
1128 struct pll_data *pll = clk->pll_data;
1129 int ret;
1130
1131 opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
1132 prediv = opp->prediv;
1133 mult = opp->mult;
1134 postdiv = opp->postdiv;
1135
1136 ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
1137 if (WARN_ON(ret))
1138 return ret;
1139
1140 return 0;
1141 }
1142 #else
1143 int __init da850_register_cpufreq(char *async_clk)
1144 {
1145 return 0;
1146 }
1147
1148 static int da850_set_armrate(struct clk *clk, unsigned long rate)
1149 {
1150 return -EINVAL;
1151 }
1152
1153 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
1154 {
1155 return -EINVAL;
1156 }
1157
1158 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1159 {
1160 return clk->rate;
1161 }
1162 #endif
1163
1164 int __init da850_register_pm(struct platform_device *pdev)
1165 {
1166 int ret;
1167 struct davinci_pm_config *pdata = pdev->dev.platform_data;
1168
1169 ret = davinci_cfg_reg(DA850_RTC_ALARM);
1170 if (ret)
1171 return ret;
1172
1173 pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
1174 pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
1175 pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
1176
1177 pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
1178 if (!pdata->cpupll_reg_base)
1179 return -ENOMEM;
1180
1181 pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
1182 if (!pdata->ddrpll_reg_base) {
1183 ret = -ENOMEM;
1184 goto no_ddrpll_mem;
1185 }
1186
1187 pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
1188 if (!pdata->ddrpsc_reg_base) {
1189 ret = -ENOMEM;
1190 goto no_ddrpsc_mem;
1191 }
1192
1193 return platform_device_register(pdev);
1194
1195 no_ddrpsc_mem:
1196 iounmap(pdata->ddrpll_reg_base);
1197 no_ddrpll_mem:
1198 iounmap(pdata->cpupll_reg_base);
1199 return ret;
1200 }
1201
1202 /* VPIF resource, platform data */
1203 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
1204
1205 static struct resource da850_vpif_resource[] = {
1206 {
1207 .start = DA8XX_VPIF_BASE,
1208 .end = DA8XX_VPIF_BASE + 0xfff,
1209 .flags = IORESOURCE_MEM,
1210 }
1211 };
1212
1213 static struct platform_device da850_vpif_dev = {
1214 .name = "vpif",
1215 .id = -1,
1216 .dev = {
1217 .dma_mask = &da850_vpif_dma_mask,
1218 .coherent_dma_mask = DMA_BIT_MASK(32),
1219 },
1220 .resource = da850_vpif_resource,
1221 .num_resources = ARRAY_SIZE(da850_vpif_resource),
1222 };
1223
1224 static struct resource da850_vpif_display_resource[] = {
1225 {
1226 .start = IRQ_DA850_VPIFINT,
1227 .end = IRQ_DA850_VPIFINT,
1228 .flags = IORESOURCE_IRQ,
1229 },
1230 };
1231
1232 static struct platform_device da850_vpif_display_dev = {
1233 .name = "vpif_display",
1234 .id = -1,
1235 .dev = {
1236 .dma_mask = &da850_vpif_dma_mask,
1237 .coherent_dma_mask = DMA_BIT_MASK(32),
1238 },
1239 .resource = da850_vpif_display_resource,
1240 .num_resources = ARRAY_SIZE(da850_vpif_display_resource),
1241 };
1242
1243 static struct resource da850_vpif_capture_resource[] = {
1244 {
1245 .start = IRQ_DA850_VPIFINT,
1246 .end = IRQ_DA850_VPIFINT,
1247 .flags = IORESOURCE_IRQ,
1248 },
1249 {
1250 .start = IRQ_DA850_VPIFINT,
1251 .end = IRQ_DA850_VPIFINT,
1252 .flags = IORESOURCE_IRQ,
1253 },
1254 };
1255
1256 static struct platform_device da850_vpif_capture_dev = {
1257 .name = "vpif_capture",
1258 .id = -1,
1259 .dev = {
1260 .dma_mask = &da850_vpif_dma_mask,
1261 .coherent_dma_mask = DMA_BIT_MASK(32),
1262 },
1263 .resource = da850_vpif_capture_resource,
1264 .num_resources = ARRAY_SIZE(da850_vpif_capture_resource),
1265 };
1266
1267 int __init da850_register_vpif(void)
1268 {
1269 return platform_device_register(&da850_vpif_dev);
1270 }
1271
1272 int __init da850_register_vpif_display(struct vpif_display_config
1273 *display_config)
1274 {
1275 da850_vpif_display_dev.dev.platform_data = display_config;
1276 return platform_device_register(&da850_vpif_display_dev);
1277 }
1278
1279 int __init da850_register_vpif_capture(struct vpif_capture_config
1280 *capture_config)
1281 {
1282 da850_vpif_capture_dev.dev.platform_data = capture_config;
1283 return platform_device_register(&da850_vpif_capture_dev);
1284 }
1285
1286 static struct davinci_gpio_platform_data da850_gpio_platform_data = {
1287 .ngpio = 144,
1288 };
1289
1290 int __init da850_register_gpio(void)
1291 {
1292 return da8xx_register_gpio(&da850_gpio_platform_data);
1293 }
1294
1295 static struct davinci_soc_info davinci_soc_info_da850 = {
1296 .io_desc = da850_io_desc,
1297 .io_desc_num = ARRAY_SIZE(da850_io_desc),
1298 .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
1299 .ids = da850_ids,
1300 .ids_num = ARRAY_SIZE(da850_ids),
1301 .cpu_clks = da850_clks,
1302 .psc_bases = da850_psc_bases,
1303 .psc_bases_num = ARRAY_SIZE(da850_psc_bases),
1304 .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
1305 .pinmux_pins = da850_pins,
1306 .pinmux_pins_num = ARRAY_SIZE(da850_pins),
1307 .intc_base = DA8XX_CP_INTC_BASE,
1308 .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
1309 .intc_irq_prios = da850_default_priorities,
1310 .intc_irq_num = DA850_N_CP_INTC_IRQ,
1311 .timer_info = &da850_timer_info,
1312 .emac_pdata = &da8xx_emac_pdata,
1313 .sram_dma = DA8XX_SHARED_RAM_BASE,
1314 .sram_len = SZ_128K,
1315 };
1316
1317 void __init da850_init(void)
1318 {
1319 unsigned int v;
1320
1321 davinci_common_init(&davinci_soc_info_da850);
1322
1323 da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
1324 if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
1325 return;
1326
1327 da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
1328 if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
1329 return;
1330
1331 /*
1332 * Move the clock source of Async3 domain to PLL1 SYSCLK2.
1333 * This helps keeping the peripherals on this domain insulated
1334 * from CPU frequency changes caused by DVFS. The firmware sets
1335 * both PLL0 and PLL1 to the same frequency so, there should not
1336 * be any noticeable change even in non-DVFS use cases.
1337 */
1338 da850_set_async3_src(1);
1339
1340 /* Unlock writing to PLL0 registers */
1341 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1342 v &= ~CFGCHIP0_PLL_MASTER_LOCK;
1343 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1344
1345 /* Unlock writing to PLL1 registers */
1346 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1347 v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
1348 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1349 }
Linux with added FPC-III support