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[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/gpio.h>
15 #include <linux/init.h>
16 #include <linux/clk.h>
17 #include <linux/platform_device.h>
18 #include <linux/cpufreq.h>
19 #include <linux/regulator/consumer.h>
20
21 #include <asm/mach/map.h>
22
23 #include <mach/psc.h>
24 #include <mach/irqs.h>
25 #include <mach/cputype.h>
26 #include <mach/common.h>
27 #include <mach/time.h>
28 #include <mach/da8xx.h>
29 #include <mach/cpufreq.h>
30 #include <mach/pm.h>
31 #include <mach/gpio-davinci.h>
32
33 #include "clock.h"
34 #include "mux.h"
35
36 /* SoC specific clock flags */
37 #define DA850_CLK_ASYNC3 BIT(16)
38
39 #define DA850_PLL1_BASE 0x01e1a000
40 #define DA850_TIMER64P2_BASE 0x01f0c000
41 #define DA850_TIMER64P3_BASE 0x01f0d000
42
43 #define DA850_REF_FREQ 24000000
44
45 #define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
46 #define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
47 #define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
48
49 static int da850_set_armrate(struct clk *clk, unsigned long rate);
50 static int da850_round_armrate(struct clk *clk, unsigned long rate);
51 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
52
53 static struct pll_data pll0_data = {
54 .num = 1,
55 .phys_base = DA8XX_PLL0_BASE,
56 .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
57 };
58
59 static struct clk ref_clk = {
60 .name = "ref_clk",
61 .rate = DA850_REF_FREQ,
62 .set_rate = davinci_simple_set_rate,
63 };
64
65 static struct clk pll0_clk = {
66 .name = "pll0",
67 .parent = &ref_clk,
68 .pll_data = &pll0_data,
69 .flags = CLK_PLL,
70 .set_rate = da850_set_pll0rate,
71 };
72
73 static struct clk pll0_aux_clk = {
74 .name = "pll0_aux_clk",
75 .parent = &pll0_clk,
76 .flags = CLK_PLL | PRE_PLL,
77 };
78
79 static struct clk pll0_sysclk2 = {
80 .name = "pll0_sysclk2",
81 .parent = &pll0_clk,
82 .flags = CLK_PLL,
83 .div_reg = PLLDIV2,
84 };
85
86 static struct clk pll0_sysclk3 = {
87 .name = "pll0_sysclk3",
88 .parent = &pll0_clk,
89 .flags = CLK_PLL,
90 .div_reg = PLLDIV3,
91 .set_rate = davinci_set_sysclk_rate,
92 .maxrate = 100000000,
93 };
94
95 static struct clk pll0_sysclk4 = {
96 .name = "pll0_sysclk4",
97 .parent = &pll0_clk,
98 .flags = CLK_PLL,
99 .div_reg = PLLDIV4,
100 };
101
102 static struct clk pll0_sysclk5 = {
103 .name = "pll0_sysclk5",
104 .parent = &pll0_clk,
105 .flags = CLK_PLL,
106 .div_reg = PLLDIV5,
107 };
108
109 static struct clk pll0_sysclk6 = {
110 .name = "pll0_sysclk6",
111 .parent = &pll0_clk,
112 .flags = CLK_PLL,
113 .div_reg = PLLDIV6,
114 };
115
116 static struct clk pll0_sysclk7 = {
117 .name = "pll0_sysclk7",
118 .parent = &pll0_clk,
119 .flags = CLK_PLL,
120 .div_reg = PLLDIV7,
121 };
122
123 static struct pll_data pll1_data = {
124 .num = 2,
125 .phys_base = DA850_PLL1_BASE,
126 .flags = PLL_HAS_POSTDIV,
127 };
128
129 static struct clk pll1_clk = {
130 .name = "pll1",
131 .parent = &ref_clk,
132 .pll_data = &pll1_data,
133 .flags = CLK_PLL,
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 pll1_sysclk2 = {
143 .name = "pll1_sysclk2",
144 .parent = &pll1_clk,
145 .flags = CLK_PLL,
146 .div_reg = PLLDIV2,
147 };
148
149 static struct clk pll1_sysclk3 = {
150 .name = "pll1_sysclk3",
151 .parent = &pll1_clk,
152 .flags = CLK_PLL,
153 .div_reg = PLLDIV3,
154 };
155
156 static struct clk i2c0_clk = {
157 .name = "i2c0",
158 .parent = &pll0_aux_clk,
159 };
160
161 static struct clk timerp64_0_clk = {
162 .name = "timer0",
163 .parent = &pll0_aux_clk,
164 };
165
166 static struct clk timerp64_1_clk = {
167 .name = "timer1",
168 .parent = &pll0_aux_clk,
169 };
170
171 static struct clk arm_rom_clk = {
172 .name = "arm_rom",
173 .parent = &pll0_sysclk2,
174 .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
175 .flags = ALWAYS_ENABLED,
176 };
177
178 static struct clk tpcc0_clk = {
179 .name = "tpcc0",
180 .parent = &pll0_sysclk2,
181 .lpsc = DA8XX_LPSC0_TPCC,
182 .flags = ALWAYS_ENABLED | CLK_PSC,
183 };
184
185 static struct clk tptc0_clk = {
186 .name = "tptc0",
187 .parent = &pll0_sysclk2,
188 .lpsc = DA8XX_LPSC0_TPTC0,
189 .flags = ALWAYS_ENABLED,
190 };
191
192 static struct clk tptc1_clk = {
193 .name = "tptc1",
194 .parent = &pll0_sysclk2,
195 .lpsc = DA8XX_LPSC0_TPTC1,
196 .flags = ALWAYS_ENABLED,
197 };
198
199 static struct clk tpcc1_clk = {
200 .name = "tpcc1",
201 .parent = &pll0_sysclk2,
202 .lpsc = DA850_LPSC1_TPCC1,
203 .gpsc = 1,
204 .flags = CLK_PSC | ALWAYS_ENABLED,
205 };
206
207 static struct clk tptc2_clk = {
208 .name = "tptc2",
209 .parent = &pll0_sysclk2,
210 .lpsc = DA850_LPSC1_TPTC2,
211 .gpsc = 1,
212 .flags = ALWAYS_ENABLED,
213 };
214
215 static struct clk pruss_clk = {
216 .name = "pruss",
217 .parent = &pll0_sysclk2,
218 .lpsc = DA8XX_LPSC0_PRUSS,
219 };
220
221 static struct clk uart0_clk = {
222 .name = "uart0",
223 .parent = &pll0_sysclk2,
224 .lpsc = DA8XX_LPSC0_UART0,
225 };
226
227 static struct clk uart1_clk = {
228 .name = "uart1",
229 .parent = &pll0_sysclk2,
230 .lpsc = DA8XX_LPSC1_UART1,
231 .gpsc = 1,
232 .flags = DA850_CLK_ASYNC3,
233 };
234
235 static struct clk uart2_clk = {
236 .name = "uart2",
237 .parent = &pll0_sysclk2,
238 .lpsc = DA8XX_LPSC1_UART2,
239 .gpsc = 1,
240 .flags = DA850_CLK_ASYNC3,
241 };
242
243 static struct clk aintc_clk = {
244 .name = "aintc",
245 .parent = &pll0_sysclk4,
246 .lpsc = DA8XX_LPSC0_AINTC,
247 .flags = ALWAYS_ENABLED,
248 };
249
250 static struct clk gpio_clk = {
251 .name = "gpio",
252 .parent = &pll0_sysclk4,
253 .lpsc = DA8XX_LPSC1_GPIO,
254 .gpsc = 1,
255 };
256
257 static struct clk i2c1_clk = {
258 .name = "i2c1",
259 .parent = &pll0_sysclk4,
260 .lpsc = DA8XX_LPSC1_I2C,
261 .gpsc = 1,
262 };
263
264 static struct clk emif3_clk = {
265 .name = "emif3",
266 .parent = &pll0_sysclk5,
267 .lpsc = DA8XX_LPSC1_EMIF3C,
268 .gpsc = 1,
269 .flags = ALWAYS_ENABLED,
270 };
271
272 static struct clk arm_clk = {
273 .name = "arm",
274 .parent = &pll0_sysclk6,
275 .lpsc = DA8XX_LPSC0_ARM,
276 .flags = ALWAYS_ENABLED,
277 .set_rate = da850_set_armrate,
278 .round_rate = da850_round_armrate,
279 };
280
281 static struct clk rmii_clk = {
282 .name = "rmii",
283 .parent = &pll0_sysclk7,
284 };
285
286 static struct clk emac_clk = {
287 .name = "emac",
288 .parent = &pll0_sysclk4,
289 .lpsc = DA8XX_LPSC1_CPGMAC,
290 .gpsc = 1,
291 };
292
293 static struct clk mcasp_clk = {
294 .name = "mcasp",
295 .parent = &pll0_sysclk2,
296 .lpsc = DA8XX_LPSC1_McASP0,
297 .gpsc = 1,
298 .flags = DA850_CLK_ASYNC3,
299 };
300
301 static struct clk lcdc_clk = {
302 .name = "lcdc",
303 .parent = &pll0_sysclk2,
304 .lpsc = DA8XX_LPSC1_LCDC,
305 .gpsc = 1,
306 };
307
308 static struct clk mmcsd0_clk = {
309 .name = "mmcsd0",
310 .parent = &pll0_sysclk2,
311 .lpsc = DA8XX_LPSC0_MMC_SD,
312 };
313
314 static struct clk mmcsd1_clk = {
315 .name = "mmcsd1",
316 .parent = &pll0_sysclk2,
317 .lpsc = DA850_LPSC1_MMC_SD1,
318 .gpsc = 1,
319 };
320
321 static struct clk aemif_clk = {
322 .name = "aemif",
323 .parent = &pll0_sysclk3,
324 .lpsc = DA8XX_LPSC0_EMIF25,
325 .flags = ALWAYS_ENABLED,
326 };
327
328 static struct clk usb11_clk = {
329 .name = "usb11",
330 .parent = &pll0_sysclk4,
331 .lpsc = DA8XX_LPSC1_USB11,
332 .gpsc = 1,
333 };
334
335 static struct clk usb20_clk = {
336 .name = "usb20",
337 .parent = &pll0_sysclk2,
338 .lpsc = DA8XX_LPSC1_USB20,
339 .gpsc = 1,
340 };
341
342 static struct clk spi0_clk = {
343 .name = "spi0",
344 .parent = &pll0_sysclk2,
345 .lpsc = DA8XX_LPSC0_SPI0,
346 };
347
348 static struct clk spi1_clk = {
349 .name = "spi1",
350 .parent = &pll0_sysclk2,
351 .lpsc = DA8XX_LPSC1_SPI1,
352 .gpsc = 1,
353 .flags = DA850_CLK_ASYNC3,
354 };
355
356 static struct clk vpif_clk = {
357 .name = "vpif",
358 .parent = &pll0_sysclk2,
359 .lpsc = DA850_LPSC1_VPIF,
360 .gpsc = 1,
361 };
362
363 static struct clk sata_clk = {
364 .name = "sata",
365 .parent = &pll0_sysclk2,
366 .lpsc = DA850_LPSC1_SATA,
367 .gpsc = 1,
368 .flags = PSC_FORCE,
369 };
370
371 static struct clk_lookup da850_clks[] = {
372 CLK(NULL, "ref", &ref_clk),
373 CLK(NULL, "pll0", &pll0_clk),
374 CLK(NULL, "pll0_aux", &pll0_aux_clk),
375 CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
376 CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
377 CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
378 CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
379 CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
380 CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
381 CLK(NULL, "pll1", &pll1_clk),
382 CLK(NULL, "pll1_aux", &pll1_aux_clk),
383 CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
384 CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
385 CLK("i2c_davinci.1", NULL, &i2c0_clk),
386 CLK(NULL, "timer0", &timerp64_0_clk),
387 CLK("watchdog", NULL, &timerp64_1_clk),
388 CLK(NULL, "arm_rom", &arm_rom_clk),
389 CLK(NULL, "tpcc0", &tpcc0_clk),
390 CLK(NULL, "tptc0", &tptc0_clk),
391 CLK(NULL, "tptc1", &tptc1_clk),
392 CLK(NULL, "tpcc1", &tpcc1_clk),
393 CLK(NULL, "tptc2", &tptc2_clk),
394 CLK("pruss_uio", "pruss", &pruss_clk),
395 CLK(NULL, "uart0", &uart0_clk),
396 CLK(NULL, "uart1", &uart1_clk),
397 CLK(NULL, "uart2", &uart2_clk),
398 CLK(NULL, "aintc", &aintc_clk),
399 CLK(NULL, "gpio", &gpio_clk),
400 CLK("i2c_davinci.2", NULL, &i2c1_clk),
401 CLK(NULL, "emif3", &emif3_clk),
402 CLK(NULL, "arm", &arm_clk),
403 CLK(NULL, "rmii", &rmii_clk),
404 CLK("davinci_emac.1", NULL, &emac_clk),
405 CLK("davinci-mcasp.0", NULL, &mcasp_clk),
406 CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
407 CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
408 CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
409 CLK(NULL, "aemif", &aemif_clk),
410 CLK(NULL, "usb11", &usb11_clk),
411 CLK(NULL, "usb20", &usb20_clk),
412 CLK("spi_davinci.0", NULL, &spi0_clk),
413 CLK("spi_davinci.1", NULL, &spi1_clk),
414 CLK("vpif", NULL, &vpif_clk),
415 CLK("ahci", NULL, &sata_clk),
416 CLK(NULL, NULL, NULL),
417 };
418
419 /*
420 * Device specific mux setup
421 *
422 * soc description mux mode mode mux dbg
423 * reg offset mask mode
424 */
425 static const struct mux_config da850_pins[] = {
426 #ifdef CONFIG_DAVINCI_MUX
427 /* UART0 function */
428 MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
429 MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
430 MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
431 MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
432 /* UART1 function */
433 MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
434 MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
435 /* UART2 function */
436 MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
437 MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
438 /* I2C1 function */
439 MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
440 MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
441 /* I2C0 function */
442 MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
443 MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
444 /* EMAC function */
445 MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
446 MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
447 MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
448 MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
449 MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
450 MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
451 MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
452 MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
453 MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
454 MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
455 MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
456 MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
457 MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
458 MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
459 MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
460 MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
461 MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
462 MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false)
463 MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false)
464 MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false)
465 MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false)
466 MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false)
467 MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false)
468 MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false)
469 MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false)
470 /* McASP function */
471 MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
472 MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
473 MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
474 MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
475 MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
476 MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
477 MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
478 MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
479 MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
480 MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
481 MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
482 MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
483 MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
484 MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
485 MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
486 MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
487 MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
488 MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
489 MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
490 MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
491 MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
492 MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
493 MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
494 /* LCD function */
495 MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
496 MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
497 MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
498 MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
499 MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
500 MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
501 MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
502 MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
503 MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
504 MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
505 MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
506 MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
507 MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
508 MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
509 MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
510 MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
511 MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
512 MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
513 MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
514 MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
515 /* MMC/SD0 function */
516 MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
517 MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
518 MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
519 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
520 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
521 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
522 /* MMC/SD1 function */
523 MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false)
524 MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false)
525 MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false)
526 MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false)
527 MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false)
528 MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false)
529 /* EMIF2.5/EMIFA function */
530 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
531 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
532 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
533 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
534 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
535 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
536 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
537 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
538 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
539 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
540 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
541 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
542 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
543 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
544 MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
545 MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
546 MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
547 MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
548 MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
549 MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
550 MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
551 MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
552 MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
553 MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
554 MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
555 MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
556 MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
557 MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
558 MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
559 MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
560 MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
561 MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
562 MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
563 MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
564 MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
565 MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
566 MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
567 MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
568 MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
569 MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
570 MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
571 MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
572 MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
573 MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
574 MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
575 MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
576 MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
577 MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
578 /* GPIO function */
579 MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
580 MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
581 MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
582 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
583 MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
584 MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false)
585 MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
586 MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
587 MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false)
588 MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false)
589 MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
590 MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
591 /* VPIF Capture */
592 MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false)
593 MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false)
594 MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false)
595 MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false)
596 MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false)
597 MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false)
598 MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false)
599 MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false)
600 MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false)
601 MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false)
602 MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false)
603 MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false)
604 MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false)
605 MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false)
606 MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false)
607 MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false)
608 MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false)
609 MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false)
610 MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false)
611 MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false)
612 /* VPIF Display */
613 MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false)
614 MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false)
615 MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false)
616 MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false)
617 MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false)
618 MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false)
619 MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false)
620 MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false)
621 MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false)
622 MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false)
623 MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false)
624 MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false)
625 MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false)
626 MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false)
627 MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false)
628 MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false)
629 MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false)
630 MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false)
631 #endif
632 };
633
634 const short da850_i2c0_pins[] __initconst = {
635 DA850_I2C0_SDA, DA850_I2C0_SCL,
636 -1
637 };
638
639 const short da850_i2c1_pins[] __initconst = {
640 DA850_I2C1_SCL, DA850_I2C1_SDA,
641 -1
642 };
643
644 const short da850_lcdcntl_pins[] __initconst = {
645 DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
646 DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
647 DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
648 DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
649 DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
650 -1
651 };
652
653 const short da850_vpif_capture_pins[] __initdata = {
654 DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
655 DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
656 DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
657 DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
658 DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
659 DA850_VPIF_CLKIN3,
660 -1
661 };
662
663 const short da850_vpif_display_pins[] __initdata = {
664 DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
665 DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
666 DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
667 DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
668 DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
669 DA850_VPIF_CLKO3,
670 -1
671 };
672
673 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
674 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
675 [IRQ_DA8XX_COMMTX] = 7,
676 [IRQ_DA8XX_COMMRX] = 7,
677 [IRQ_DA8XX_NINT] = 7,
678 [IRQ_DA8XX_EVTOUT0] = 7,
679 [IRQ_DA8XX_EVTOUT1] = 7,
680 [IRQ_DA8XX_EVTOUT2] = 7,
681 [IRQ_DA8XX_EVTOUT3] = 7,
682 [IRQ_DA8XX_EVTOUT4] = 7,
683 [IRQ_DA8XX_EVTOUT5] = 7,
684 [IRQ_DA8XX_EVTOUT6] = 7,
685 [IRQ_DA8XX_EVTOUT7] = 7,
686 [IRQ_DA8XX_CCINT0] = 7,
687 [IRQ_DA8XX_CCERRINT] = 7,
688 [IRQ_DA8XX_TCERRINT0] = 7,
689 [IRQ_DA8XX_AEMIFINT] = 7,
690 [IRQ_DA8XX_I2CINT0] = 7,
691 [IRQ_DA8XX_MMCSDINT0] = 7,
692 [IRQ_DA8XX_MMCSDINT1] = 7,
693 [IRQ_DA8XX_ALLINT0] = 7,
694 [IRQ_DA8XX_RTC] = 7,
695 [IRQ_DA8XX_SPINT0] = 7,
696 [IRQ_DA8XX_TINT12_0] = 7,
697 [IRQ_DA8XX_TINT34_0] = 7,
698 [IRQ_DA8XX_TINT12_1] = 7,
699 [IRQ_DA8XX_TINT34_1] = 7,
700 [IRQ_DA8XX_UARTINT0] = 7,
701 [IRQ_DA8XX_KEYMGRINT] = 7,
702 [IRQ_DA850_MPUADDRERR0] = 7,
703 [IRQ_DA8XX_CHIPINT0] = 7,
704 [IRQ_DA8XX_CHIPINT1] = 7,
705 [IRQ_DA8XX_CHIPINT2] = 7,
706 [IRQ_DA8XX_CHIPINT3] = 7,
707 [IRQ_DA8XX_TCERRINT1] = 7,
708 [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
709 [IRQ_DA8XX_C0_RX_PULSE] = 7,
710 [IRQ_DA8XX_C0_TX_PULSE] = 7,
711 [IRQ_DA8XX_C0_MISC_PULSE] = 7,
712 [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
713 [IRQ_DA8XX_C1_RX_PULSE] = 7,
714 [IRQ_DA8XX_C1_TX_PULSE] = 7,
715 [IRQ_DA8XX_C1_MISC_PULSE] = 7,
716 [IRQ_DA8XX_MEMERR] = 7,
717 [IRQ_DA8XX_GPIO0] = 7,
718 [IRQ_DA8XX_GPIO1] = 7,
719 [IRQ_DA8XX_GPIO2] = 7,
720 [IRQ_DA8XX_GPIO3] = 7,
721 [IRQ_DA8XX_GPIO4] = 7,
722 [IRQ_DA8XX_GPIO5] = 7,
723 [IRQ_DA8XX_GPIO6] = 7,
724 [IRQ_DA8XX_GPIO7] = 7,
725 [IRQ_DA8XX_GPIO8] = 7,
726 [IRQ_DA8XX_I2CINT1] = 7,
727 [IRQ_DA8XX_LCDINT] = 7,
728 [IRQ_DA8XX_UARTINT1] = 7,
729 [IRQ_DA8XX_MCASPINT] = 7,
730 [IRQ_DA8XX_ALLINT1] = 7,
731 [IRQ_DA8XX_SPINT1] = 7,
732 [IRQ_DA8XX_UHPI_INT1] = 7,
733 [IRQ_DA8XX_USB_INT] = 7,
734 [IRQ_DA8XX_IRQN] = 7,
735 [IRQ_DA8XX_RWAKEUP] = 7,
736 [IRQ_DA8XX_UARTINT2] = 7,
737 [IRQ_DA8XX_DFTSSINT] = 7,
738 [IRQ_DA8XX_EHRPWM0] = 7,
739 [IRQ_DA8XX_EHRPWM0TZ] = 7,
740 [IRQ_DA8XX_EHRPWM1] = 7,
741 [IRQ_DA8XX_EHRPWM1TZ] = 7,
742 [IRQ_DA850_SATAINT] = 7,
743 [IRQ_DA850_TINTALL_2] = 7,
744 [IRQ_DA8XX_ECAP0] = 7,
745 [IRQ_DA8XX_ECAP1] = 7,
746 [IRQ_DA8XX_ECAP2] = 7,
747 [IRQ_DA850_MMCSDINT0_1] = 7,
748 [IRQ_DA850_MMCSDINT1_1] = 7,
749 [IRQ_DA850_T12CMPINT0_2] = 7,
750 [IRQ_DA850_T12CMPINT1_2] = 7,
751 [IRQ_DA850_T12CMPINT2_2] = 7,
752 [IRQ_DA850_T12CMPINT3_2] = 7,
753 [IRQ_DA850_T12CMPINT4_2] = 7,
754 [IRQ_DA850_T12CMPINT5_2] = 7,
755 [IRQ_DA850_T12CMPINT6_2] = 7,
756 [IRQ_DA850_T12CMPINT7_2] = 7,
757 [IRQ_DA850_T12CMPINT0_3] = 7,
758 [IRQ_DA850_T12CMPINT1_3] = 7,
759 [IRQ_DA850_T12CMPINT2_3] = 7,
760 [IRQ_DA850_T12CMPINT3_3] = 7,
761 [IRQ_DA850_T12CMPINT4_3] = 7,
762 [IRQ_DA850_T12CMPINT5_3] = 7,
763 [IRQ_DA850_T12CMPINT6_3] = 7,
764 [IRQ_DA850_T12CMPINT7_3] = 7,
765 [IRQ_DA850_RPIINT] = 7,
766 [IRQ_DA850_VPIFINT] = 7,
767 [IRQ_DA850_CCINT1] = 7,
768 [IRQ_DA850_CCERRINT1] = 7,
769 [IRQ_DA850_TCERRINT2] = 7,
770 [IRQ_DA850_TINTALL_3] = 7,
771 [IRQ_DA850_MCBSP0RINT] = 7,
772 [IRQ_DA850_MCBSP0XINT] = 7,
773 [IRQ_DA850_MCBSP1RINT] = 7,
774 [IRQ_DA850_MCBSP1XINT] = 7,
775 [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
776 };
777
778 static struct map_desc da850_io_desc[] = {
779 {
780 .virtual = IO_VIRT,
781 .pfn = __phys_to_pfn(IO_PHYS),
782 .length = IO_SIZE,
783 .type = MT_DEVICE
784 },
785 {
786 .virtual = DA8XX_CP_INTC_VIRT,
787 .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
788 .length = DA8XX_CP_INTC_SIZE,
789 .type = MT_DEVICE
790 },
791 };
792
793 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
794
795 /* Contents of JTAG ID register used to identify exact cpu type */
796 static struct davinci_id da850_ids[] = {
797 {
798 .variant = 0x0,
799 .part_no = 0xb7d1,
800 .manufacturer = 0x017, /* 0x02f >> 1 */
801 .cpu_id = DAVINCI_CPU_ID_DA850,
802 .name = "da850/omap-l138",
803 },
804 {
805 .variant = 0x1,
806 .part_no = 0xb7d1,
807 .manufacturer = 0x017, /* 0x02f >> 1 */
808 .cpu_id = DAVINCI_CPU_ID_DA850,
809 .name = "da850/omap-l138/am18x",
810 },
811 };
812
813 static struct davinci_timer_instance da850_timer_instance[4] = {
814 {
815 .base = DA8XX_TIMER64P0_BASE,
816 .bottom_irq = IRQ_DA8XX_TINT12_0,
817 .top_irq = IRQ_DA8XX_TINT34_0,
818 },
819 {
820 .base = DA8XX_TIMER64P1_BASE,
821 .bottom_irq = IRQ_DA8XX_TINT12_1,
822 .top_irq = IRQ_DA8XX_TINT34_1,
823 },
824 {
825 .base = DA850_TIMER64P2_BASE,
826 .bottom_irq = IRQ_DA850_TINT12_2,
827 .top_irq = IRQ_DA850_TINT34_2,
828 },
829 {
830 .base = DA850_TIMER64P3_BASE,
831 .bottom_irq = IRQ_DA850_TINT12_3,
832 .top_irq = IRQ_DA850_TINT34_3,
833 },
834 };
835
836 /*
837 * T0_BOT: Timer 0, bottom : Used for clock_event
838 * T0_TOP: Timer 0, top : Used for clocksource
839 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
840 */
841 static struct davinci_timer_info da850_timer_info = {
842 .timers = da850_timer_instance,
843 .clockevent_id = T0_BOT,
844 .clocksource_id = T0_TOP,
845 };
846
847 static void da850_set_async3_src(int pllnum)
848 {
849 struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
850 struct clk_lookup *c;
851 unsigned int v;
852 int ret;
853
854 for (c = da850_clks; c->clk; c++) {
855 clk = c->clk;
856 if (clk->flags & DA850_CLK_ASYNC3) {
857 ret = clk_set_parent(clk, newparent);
858 WARN(ret, "DA850: unable to re-parent clock %s",
859 clk->name);
860 }
861 }
862
863 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
864 if (pllnum)
865 v |= CFGCHIP3_ASYNC3_CLKSRC;
866 else
867 v &= ~CFGCHIP3_ASYNC3_CLKSRC;
868 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
869 }
870
871 #ifdef CONFIG_CPU_FREQ
872 /*
873 * Notes:
874 * According to the TRM, minimum PLLM results in maximum power savings.
875 * The OPP definitions below should keep the PLLM as low as possible.
876 *
877 * The output of the PLLM must be between 300 to 600 MHz.
878 */
879 struct da850_opp {
880 unsigned int freq; /* in KHz */
881 unsigned int prediv;
882 unsigned int mult;
883 unsigned int postdiv;
884 unsigned int cvdd_min; /* in uV */
885 unsigned int cvdd_max; /* in uV */
886 };
887
888 static const struct da850_opp da850_opp_456 = {
889 .freq = 456000,
890 .prediv = 1,
891 .mult = 19,
892 .postdiv = 1,
893 .cvdd_min = 1300000,
894 .cvdd_max = 1350000,
895 };
896
897 static const struct da850_opp da850_opp_408 = {
898 .freq = 408000,
899 .prediv = 1,
900 .mult = 17,
901 .postdiv = 1,
902 .cvdd_min = 1300000,
903 .cvdd_max = 1350000,
904 };
905
906 static const struct da850_opp da850_opp_372 = {
907 .freq = 372000,
908 .prediv = 2,
909 .mult = 31,
910 .postdiv = 1,
911 .cvdd_min = 1200000,
912 .cvdd_max = 1320000,
913 };
914
915 static const struct da850_opp da850_opp_300 = {
916 .freq = 300000,
917 .prediv = 1,
918 .mult = 25,
919 .postdiv = 2,
920 .cvdd_min = 1200000,
921 .cvdd_max = 1320000,
922 };
923
924 static const struct da850_opp da850_opp_200 = {
925 .freq = 200000,
926 .prediv = 1,
927 .mult = 25,
928 .postdiv = 3,
929 .cvdd_min = 1100000,
930 .cvdd_max = 1160000,
931 };
932
933 static const struct da850_opp da850_opp_96 = {
934 .freq = 96000,
935 .prediv = 1,
936 .mult = 20,
937 .postdiv = 5,
938 .cvdd_min = 1000000,
939 .cvdd_max = 1050000,
940 };
941
942 #define OPP(freq) \
943 { \
944 .index = (unsigned int) &da850_opp_##freq, \
945 .frequency = freq * 1000, \
946 }
947
948 static struct cpufreq_frequency_table da850_freq_table[] = {
949 OPP(456),
950 OPP(408),
951 OPP(372),
952 OPP(300),
953 OPP(200),
954 OPP(96),
955 {
956 .index = 0,
957 .frequency = CPUFREQ_TABLE_END,
958 },
959 };
960
961 #ifdef CONFIG_REGULATOR
962 static int da850_set_voltage(unsigned int index);
963 static int da850_regulator_init(void);
964 #endif
965
966 static struct davinci_cpufreq_config cpufreq_info = {
967 .freq_table = da850_freq_table,
968 #ifdef CONFIG_REGULATOR
969 .init = da850_regulator_init,
970 .set_voltage = da850_set_voltage,
971 #endif
972 };
973
974 #ifdef CONFIG_REGULATOR
975 static struct regulator *cvdd;
976
977 static int da850_set_voltage(unsigned int index)
978 {
979 struct da850_opp *opp;
980
981 if (!cvdd)
982 return -ENODEV;
983
984 opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
985
986 return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
987 }
988
989 static int da850_regulator_init(void)
990 {
991 cvdd = regulator_get(NULL, "cvdd");
992 if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
993 " voltage scaling unsupported\n")) {
994 return PTR_ERR(cvdd);
995 }
996
997 return 0;
998 }
999 #endif
1000
1001 static struct platform_device da850_cpufreq_device = {
1002 .name = "cpufreq-davinci",
1003 .dev = {
1004 .platform_data = &cpufreq_info,
1005 },
1006 .id = -1,
1007 };
1008
1009 unsigned int da850_max_speed = 300000;
1010
1011 int da850_register_cpufreq(char *async_clk)
1012 {
1013 int i;
1014
1015 /* cpufreq driver can help keep an "async" clock constant */
1016 if (async_clk)
1017 clk_add_alias("async", da850_cpufreq_device.name,
1018 async_clk, NULL);
1019 for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
1020 if (da850_freq_table[i].frequency <= da850_max_speed) {
1021 cpufreq_info.freq_table = &da850_freq_table[i];
1022 break;
1023 }
1024 }
1025
1026 return platform_device_register(&da850_cpufreq_device);
1027 }
1028
1029 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1030 {
1031 int i, ret = 0, diff;
1032 unsigned int best = (unsigned int) -1;
1033 struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
1034
1035 rate /= 1000; /* convert to kHz */
1036
1037 for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) {
1038 diff = table[i].frequency - rate;
1039 if (diff < 0)
1040 diff = -diff;
1041
1042 if (diff < best) {
1043 best = diff;
1044 ret = table[i].frequency;
1045 }
1046 }
1047
1048 return ret * 1000;
1049 }
1050
1051 static int da850_set_armrate(struct clk *clk, unsigned long index)
1052 {
1053 struct clk *pllclk = &pll0_clk;
1054
1055 return clk_set_rate(pllclk, index);
1056 }
1057
1058 static int da850_set_pll0rate(struct clk *clk, unsigned long index)
1059 {
1060 unsigned int prediv, mult, postdiv;
1061 struct da850_opp *opp;
1062 struct pll_data *pll = clk->pll_data;
1063 int ret;
1064
1065 opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
1066 prediv = opp->prediv;
1067 mult = opp->mult;
1068 postdiv = opp->postdiv;
1069
1070 ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
1071 if (WARN_ON(ret))
1072 return ret;
1073
1074 return 0;
1075 }
1076 #else
1077 int __init da850_register_cpufreq(char *async_clk)
1078 {
1079 return 0;
1080 }
1081
1082 static int da850_set_armrate(struct clk *clk, unsigned long rate)
1083 {
1084 return -EINVAL;
1085 }
1086
1087 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
1088 {
1089 return -EINVAL;
1090 }
1091
1092 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1093 {
1094 return clk->rate;
1095 }
1096 #endif
1097
1098 int __init da850_register_pm(struct platform_device *pdev)
1099 {
1100 int ret;
1101 struct davinci_pm_config *pdata = pdev->dev.platform_data;
1102
1103 ret = davinci_cfg_reg(DA850_RTC_ALARM);
1104 if (ret)
1105 return ret;
1106
1107 pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
1108 pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
1109 pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
1110
1111 pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
1112 if (!pdata->cpupll_reg_base)
1113 return -ENOMEM;
1114
1115 pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
1116 if (!pdata->ddrpll_reg_base) {
1117 ret = -ENOMEM;
1118 goto no_ddrpll_mem;
1119 }
1120
1121 pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
1122 if (!pdata->ddrpsc_reg_base) {
1123 ret = -ENOMEM;
1124 goto no_ddrpsc_mem;
1125 }
1126
1127 return platform_device_register(pdev);
1128
1129 no_ddrpsc_mem:
1130 iounmap(pdata->ddrpll_reg_base);
1131 no_ddrpll_mem:
1132 iounmap(pdata->cpupll_reg_base);
1133 return ret;
1134 }
1135
1136 /* VPIF resource, platform data */
1137 static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
1138
1139 static struct resource da850_vpif_resource[] = {
1140 {
1141 .start = DA8XX_VPIF_BASE,
1142 .end = DA8XX_VPIF_BASE + 0xfff,
1143 .flags = IORESOURCE_MEM,
1144 }
1145 };
1146
1147 static struct platform_device da850_vpif_dev = {
1148 .name = "vpif",
1149 .id = -1,
1150 .dev = {
1151 .dma_mask = &da850_vpif_dma_mask,
1152 .coherent_dma_mask = DMA_BIT_MASK(32),
1153 },
1154 .resource = da850_vpif_resource,
1155 .num_resources = ARRAY_SIZE(da850_vpif_resource),
1156 };
1157
1158 static struct resource da850_vpif_display_resource[] = {
1159 {
1160 .start = IRQ_DA850_VPIFINT,
1161 .end = IRQ_DA850_VPIFINT,
1162 .flags = IORESOURCE_IRQ,
1163 },
1164 };
1165
1166 static struct platform_device da850_vpif_display_dev = {
1167 .name = "vpif_display",
1168 .id = -1,
1169 .dev = {
1170 .dma_mask = &da850_vpif_dma_mask,
1171 .coherent_dma_mask = DMA_BIT_MASK(32),
1172 },
1173 .resource = da850_vpif_display_resource,
1174 .num_resources = ARRAY_SIZE(da850_vpif_display_resource),
1175 };
1176
1177 static struct resource da850_vpif_capture_resource[] = {
1178 {
1179 .start = IRQ_DA850_VPIFINT,
1180 .end = IRQ_DA850_VPIFINT,
1181 .flags = IORESOURCE_IRQ,
1182 },
1183 {
1184 .start = IRQ_DA850_VPIFINT,
1185 .end = IRQ_DA850_VPIFINT,
1186 .flags = IORESOURCE_IRQ,
1187 },
1188 };
1189
1190 static struct platform_device da850_vpif_capture_dev = {
1191 .name = "vpif_capture",
1192 .id = -1,
1193 .dev = {
1194 .dma_mask = &da850_vpif_dma_mask,
1195 .coherent_dma_mask = DMA_BIT_MASK(32),
1196 },
1197 .resource = da850_vpif_capture_resource,
1198 .num_resources = ARRAY_SIZE(da850_vpif_capture_resource),
1199 };
1200
1201 int __init da850_register_vpif(void)
1202 {
1203 return platform_device_register(&da850_vpif_dev);
1204 }
1205
1206 int __init da850_register_vpif_display(struct vpif_display_config
1207 *display_config)
1208 {
1209 da850_vpif_display_dev.dev.platform_data = display_config;
1210 return platform_device_register(&da850_vpif_display_dev);
1211 }
1212
1213 int __init da850_register_vpif_capture(struct vpif_capture_config
1214 *capture_config)
1215 {
1216 da850_vpif_capture_dev.dev.platform_data = capture_config;
1217 return platform_device_register(&da850_vpif_capture_dev);
1218 }
1219
1220 static struct davinci_soc_info davinci_soc_info_da850 = {
1221 .io_desc = da850_io_desc,
1222 .io_desc_num = ARRAY_SIZE(da850_io_desc),
1223 .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
1224 .ids = da850_ids,
1225 .ids_num = ARRAY_SIZE(da850_ids),
1226 .cpu_clks = da850_clks,
1227 .psc_bases = da850_psc_bases,
1228 .psc_bases_num = ARRAY_SIZE(da850_psc_bases),
1229 .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
1230 .pinmux_pins = da850_pins,
1231 .pinmux_pins_num = ARRAY_SIZE(da850_pins),
1232 .intc_base = DA8XX_CP_INTC_BASE,
1233 .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
1234 .intc_irq_prios = da850_default_priorities,
1235 .intc_irq_num = DA850_N_CP_INTC_IRQ,
1236 .timer_info = &da850_timer_info,
1237 .gpio_type = GPIO_TYPE_DAVINCI,
1238 .gpio_base = DA8XX_GPIO_BASE,
1239 .gpio_num = 144,
1240 .gpio_irq = IRQ_DA8XX_GPIO0,
1241 .serial_dev = &da8xx_serial_device,
1242 .emac_pdata = &da8xx_emac_pdata,
1243 .sram_dma = DA8XX_SHARED_RAM_BASE,
1244 .sram_len = SZ_128K,
1245 };
1246
1247 void __init da850_init(void)
1248 {
1249 unsigned int v;
1250
1251 davinci_common_init(&davinci_soc_info_da850);
1252
1253 da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
1254 if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
1255 return;
1256
1257 da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
1258 if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
1259 return;
1260
1261 /*
1262 * Move the clock source of Async3 domain to PLL1 SYSCLK2.
1263 * This helps keeping the peripherals on this domain insulated
1264 * from CPU frequency changes caused by DVFS. The firmware sets
1265 * both PLL0 and PLL1 to the same frequency so, there should not
1266 * be any noticeable change even in non-DVFS use cases.
1267 */
1268 da850_set_async3_src(1);
1269
1270 /* Unlock writing to PLL0 registers */
1271 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1272 v &= ~CFGCHIP0_PLL_MASTER_LOCK;
1273 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1274
1275 /* Unlock writing to PLL1 registers */
1276 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1277 v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
1278 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1279 }
Linux kernel - Deliverables
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