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[linux-2.6/next.git] / arch / arm / mach-davinci / da850.c
blob133aac40585374299ef9d55f651dd8f85fcf4e71
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/init.h>
15 #include <linux/clk.h>
16 #include <linux/platform_device.h>
17 #include <linux/cpufreq.h>
18 #include <linux/regulator/consumer.h>
19
20 #include <asm/mach/map.h>
21
22 #include <mach/psc.h>
23 #include <mach/irqs.h>
24 #include <mach/cputype.h>
25 #include <mach/common.h>
26 #include <mach/time.h>
27 #include <mach/da8xx.h>
28 #include <mach/cpufreq.h>
29 #include <mach/pm.h>
30 #include <mach/gpio.h>
31
32 #include "clock.h"
33 #include "mux.h"
34
35 /* SoC specific clock flags */
36 #define DA850_CLK_ASYNC3 BIT(16)
37
38 #define DA850_PLL1_BASE 0x01e1a000
39 #define DA850_TIMER64P2_BASE 0x01f0c000
40 #define DA850_TIMER64P3_BASE 0x01f0d000
41
42 #define DA850_REF_FREQ 24000000
43
44 #define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
45 #define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
46 #define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
47
48 static int da850_set_armrate(struct clk *clk, unsigned long rate);
49 static int da850_round_armrate(struct clk *clk, unsigned long rate);
50 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
51
52 static struct pll_data pll0_data = {
53 .num = 1,
54 .phys_base = DA8XX_PLL0_BASE,
55 .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
56 };
57
58 static struct clk ref_clk = {
59 .name = "ref_clk",
60 .rate = DA850_REF_FREQ,
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_sysclk2 = {
78 .name = "pll0_sysclk2",
79 .parent = &pll0_clk,
80 .flags = CLK_PLL,
81 .div_reg = PLLDIV2,
82 };
83
84 static struct clk pll0_sysclk3 = {
85 .name = "pll0_sysclk3",
86 .parent = &pll0_clk,
87 .flags = CLK_PLL,
88 .div_reg = PLLDIV3,
89 .set_rate = davinci_set_sysclk_rate,
90 .maxrate = 100000000,
91 };
92
93 static struct clk pll0_sysclk4 = {
94 .name = "pll0_sysclk4",
95 .parent = &pll0_clk,
96 .flags = CLK_PLL,
97 .div_reg = PLLDIV4,
98 };
99
100 static struct clk pll0_sysclk5 = {
101 .name = "pll0_sysclk5",
102 .parent = &pll0_clk,
103 .flags = CLK_PLL,
104 .div_reg = PLLDIV5,
105 };
106
107 static struct clk pll0_sysclk6 = {
108 .name = "pll0_sysclk6",
109 .parent = &pll0_clk,
110 .flags = CLK_PLL,
111 .div_reg = PLLDIV6,
112 };
113
114 static struct clk pll0_sysclk7 = {
115 .name = "pll0_sysclk7",
116 .parent = &pll0_clk,
117 .flags = CLK_PLL,
118 .div_reg = PLLDIV7,
119 };
120
121 static struct pll_data pll1_data = {
122 .num = 2,
123 .phys_base = DA850_PLL1_BASE,
124 .flags = PLL_HAS_POSTDIV,
125 };
126
127 static struct clk pll1_clk = {
128 .name = "pll1",
129 .parent = &ref_clk,
130 .pll_data = &pll1_data,
131 .flags = CLK_PLL,
132 };
133
134 static struct clk pll1_aux_clk = {
135 .name = "pll1_aux_clk",
136 .parent = &pll1_clk,
137 .flags = CLK_PLL | PRE_PLL,
138 };
139
140 static struct clk pll1_sysclk2 = {
141 .name = "pll1_sysclk2",
142 .parent = &pll1_clk,
143 .flags = CLK_PLL,
144 .div_reg = PLLDIV2,
145 };
146
147 static struct clk pll1_sysclk3 = {
148 .name = "pll1_sysclk3",
149 .parent = &pll1_clk,
150 .flags = CLK_PLL,
151 .div_reg = PLLDIV3,
152 };
153
154 static struct clk pll1_sysclk4 = {
155 .name = "pll1_sysclk4",
156 .parent = &pll1_clk,
157 .flags = CLK_PLL,
158 .div_reg = PLLDIV4,
159 };
160
161 static struct clk pll1_sysclk5 = {
162 .name = "pll1_sysclk5",
163 .parent = &pll1_clk,
164 .flags = CLK_PLL,
165 .div_reg = PLLDIV5,
166 };
167
168 static struct clk pll1_sysclk6 = {
169 .name = "pll0_sysclk6",
170 .parent = &pll0_clk,
171 .flags = CLK_PLL,
172 .div_reg = PLLDIV6,
173 };
174
175 static struct clk pll1_sysclk7 = {
176 .name = "pll1_sysclk7",
177 .parent = &pll1_clk,
178 .flags = CLK_PLL,
179 .div_reg = PLLDIV7,
180 };
181
182 static struct clk i2c0_clk = {
183 .name = "i2c0",
184 .parent = &pll0_aux_clk,
185 };
186
187 static struct clk timerp64_0_clk = {
188 .name = "timer0",
189 .parent = &pll0_aux_clk,
190 };
191
192 static struct clk timerp64_1_clk = {
193 .name = "timer1",
194 .parent = &pll0_aux_clk,
195 };
196
197 static struct clk arm_rom_clk = {
198 .name = "arm_rom",
199 .parent = &pll0_sysclk2,
200 .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
201 .flags = ALWAYS_ENABLED,
202 };
203
204 static struct clk tpcc0_clk = {
205 .name = "tpcc0",
206 .parent = &pll0_sysclk2,
207 .lpsc = DA8XX_LPSC0_TPCC,
208 .flags = ALWAYS_ENABLED | CLK_PSC,
209 };
210
211 static struct clk tptc0_clk = {
212 .name = "tptc0",
213 .parent = &pll0_sysclk2,
214 .lpsc = DA8XX_LPSC0_TPTC0,
215 .flags = ALWAYS_ENABLED,
216 };
217
218 static struct clk tptc1_clk = {
219 .name = "tptc1",
220 .parent = &pll0_sysclk2,
221 .lpsc = DA8XX_LPSC0_TPTC1,
222 .flags = ALWAYS_ENABLED,
223 };
224
225 static struct clk tpcc1_clk = {
226 .name = "tpcc1",
227 .parent = &pll0_sysclk2,
228 .lpsc = DA850_LPSC1_TPCC1,
229 .gpsc = 1,
230 .flags = CLK_PSC | ALWAYS_ENABLED,
231 };
232
233 static struct clk tptc2_clk = {
234 .name = "tptc2",
235 .parent = &pll0_sysclk2,
236 .lpsc = DA850_LPSC1_TPTC2,
237 .gpsc = 1,
238 .flags = ALWAYS_ENABLED,
239 };
240
241 static struct clk uart0_clk = {
242 .name = "uart0",
243 .parent = &pll0_sysclk2,
244 .lpsc = DA8XX_LPSC0_UART0,
245 };
246
247 static struct clk uart1_clk = {
248 .name = "uart1",
249 .parent = &pll0_sysclk2,
250 .lpsc = DA8XX_LPSC1_UART1,
251 .gpsc = 1,
252 .flags = DA850_CLK_ASYNC3,
253 };
254
255 static struct clk uart2_clk = {
256 .name = "uart2",
257 .parent = &pll0_sysclk2,
258 .lpsc = DA8XX_LPSC1_UART2,
259 .gpsc = 1,
260 .flags = DA850_CLK_ASYNC3,
261 };
262
263 static struct clk aintc_clk = {
264 .name = "aintc",
265 .parent = &pll0_sysclk4,
266 .lpsc = DA8XX_LPSC0_AINTC,
267 .flags = ALWAYS_ENABLED,
268 };
269
270 static struct clk gpio_clk = {
271 .name = "gpio",
272 .parent = &pll0_sysclk4,
273 .lpsc = DA8XX_LPSC1_GPIO,
274 .gpsc = 1,
275 };
276
277 static struct clk i2c1_clk = {
278 .name = "i2c1",
279 .parent = &pll0_sysclk4,
280 .lpsc = DA8XX_LPSC1_I2C,
281 .gpsc = 1,
282 };
283
284 static struct clk emif3_clk = {
285 .name = "emif3",
286 .parent = &pll0_sysclk5,
287 .lpsc = DA8XX_LPSC1_EMIF3C,
288 .gpsc = 1,
289 .flags = ALWAYS_ENABLED,
290 };
291
292 static struct clk arm_clk = {
293 .name = "arm",
294 .parent = &pll0_sysclk6,
295 .lpsc = DA8XX_LPSC0_ARM,
296 .flags = ALWAYS_ENABLED,
297 .set_rate = da850_set_armrate,
298 .round_rate = da850_round_armrate,
299 };
300
301 static struct clk rmii_clk = {
302 .name = "rmii",
303 .parent = &pll0_sysclk7,
304 };
305
306 static struct clk emac_clk = {
307 .name = "emac",
308 .parent = &pll0_sysclk4,
309 .lpsc = DA8XX_LPSC1_CPGMAC,
310 .gpsc = 1,
311 };
312
313 static struct clk mcasp_clk = {
314 .name = "mcasp",
315 .parent = &pll0_sysclk2,
316 .lpsc = DA8XX_LPSC1_McASP0,
317 .gpsc = 1,
318 .flags = DA850_CLK_ASYNC3,
319 };
320
321 static struct clk lcdc_clk = {
322 .name = "lcdc",
323 .parent = &pll0_sysclk2,
324 .lpsc = DA8XX_LPSC1_LCDC,
325 .gpsc = 1,
326 };
327
328 static struct clk mmcsd0_clk = {
329 .name = "mmcsd0",
330 .parent = &pll0_sysclk2,
331 .lpsc = DA8XX_LPSC0_MMC_SD,
332 };
333
334 static struct clk mmcsd1_clk = {
335 .name = "mmcsd1",
336 .parent = &pll0_sysclk2,
337 .lpsc = DA850_LPSC1_MMC_SD1,
338 .gpsc = 1,
339 };
340
341 static struct clk aemif_clk = {
342 .name = "aemif",
343 .parent = &pll0_sysclk3,
344 .lpsc = DA8XX_LPSC0_EMIF25,
345 .flags = ALWAYS_ENABLED,
346 };
347
348 static struct clk usb11_clk = {
349 .name = "usb11",
350 .parent = &pll0_sysclk4,
351 .lpsc = DA8XX_LPSC1_USB11,
352 .gpsc = 1,
353 };
354
355 static struct clk usb20_clk = {
356 .name = "usb20",
357 .parent = &pll0_sysclk2,
358 .lpsc = DA8XX_LPSC1_USB20,
359 .gpsc = 1,
360 };
361
362 static struct clk spi0_clk = {
363 .name = "spi0",
364 .parent = &pll0_sysclk2,
365 .lpsc = DA8XX_LPSC0_SPI0,
366 };
367
368 static struct clk spi1_clk = {
369 .name = "spi1",
370 .parent = &pll0_sysclk2,
371 .lpsc = DA8XX_LPSC1_SPI1,
372 .gpsc = 1,
373 .flags = DA850_CLK_ASYNC3,
374 };
375
376 static struct clk_lookup da850_clks[] = {
377 CLK(NULL, "ref", &ref_clk),
378 CLK(NULL, "pll0", &pll0_clk),
379 CLK(NULL, "pll0_aux", &pll0_aux_clk),
380 CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
381 CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
382 CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
383 CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
384 CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
385 CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
386 CLK(NULL, "pll1", &pll1_clk),
387 CLK(NULL, "pll1_aux", &pll1_aux_clk),
388 CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
389 CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
390 CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
391 CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
392 CLK(NULL, "pll1_sysclk6", &pll1_sysclk6),
393 CLK(NULL, "pll1_sysclk7", &pll1_sysclk7),
394 CLK("i2c_davinci.1", NULL, &i2c0_clk),
395 CLK(NULL, "timer0", &timerp64_0_clk),
396 CLK("watchdog", NULL, &timerp64_1_clk),
397 CLK(NULL, "arm_rom", &arm_rom_clk),
398 CLK(NULL, "tpcc0", &tpcc0_clk),
399 CLK(NULL, "tptc0", &tptc0_clk),
400 CLK(NULL, "tptc1", &tptc1_clk),
401 CLK(NULL, "tpcc1", &tpcc1_clk),
402 CLK(NULL, "tptc2", &tptc2_clk),
403 CLK(NULL, "uart0", &uart0_clk),
404 CLK(NULL, "uart1", &uart1_clk),
405 CLK(NULL, "uart2", &uart2_clk),
406 CLK(NULL, "aintc", &aintc_clk),
407 CLK(NULL, "gpio", &gpio_clk),
408 CLK("i2c_davinci.2", NULL, &i2c1_clk),
409 CLK(NULL, "emif3", &emif3_clk),
410 CLK(NULL, "arm", &arm_clk),
411 CLK(NULL, "rmii", &rmii_clk),
412 CLK("davinci_emac.1", NULL, &emac_clk),
413 CLK("davinci-mcasp.0", NULL, &mcasp_clk),
414 CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
415 CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
416 CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
417 CLK(NULL, "aemif", &aemif_clk),
418 CLK(NULL, "usb11", &usb11_clk),
419 CLK(NULL, "usb20", &usb20_clk),
420 CLK("spi_davinci.0", NULL, &spi0_clk),
421 CLK("spi_davinci.1", NULL, &spi1_clk),
422 CLK(NULL, NULL, NULL),
423 };
424
425 /*
426 * Device specific mux setup
427 *
428 * soc description mux mode mode mux dbg
429 * reg offset mask mode
430 */
431 static const struct mux_config da850_pins[] = {
432 #ifdef CONFIG_DAVINCI_MUX
433 /* UART0 function */
434 MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
435 MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
436 MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
437 MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
438 /* UART1 function */
439 MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
440 MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
441 /* UART2 function */
442 MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
443 MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
444 /* I2C1 function */
445 MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
446 MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
447 /* I2C0 function */
448 MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
449 MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
450 /* EMAC function */
451 MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
452 MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
453 MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
454 MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
455 MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
456 MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
457 MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
458 MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
459 MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
460 MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
461 MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
462 MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
463 MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
464 MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
465 MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
466 MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
467 MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
468 MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false)
469 MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false)
470 MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false)
471 MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false)
472 MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false)
473 MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false)
474 MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false)
475 MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false)
476 /* McASP function */
477 MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
478 MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
479 MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
480 MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
481 MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
482 MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
483 MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
484 MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
485 MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
486 MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
487 MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
488 MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
489 MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
490 MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
491 MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
492 MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
493 MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
494 MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
495 MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
496 MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
497 MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
498 MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
499 MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
500 /* LCD function */
501 MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
502 MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
503 MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
504 MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
505 MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
506 MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
507 MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
508 MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
509 MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
510 MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
511 MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
512 MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
513 MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
514 MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
515 MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
516 MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
517 MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
518 MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
519 MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
520 MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
521 /* MMC/SD0 function */
522 MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
523 MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
524 MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
525 MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
526 MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
527 MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
528 /* EMIF2.5/EMIFA function */
529 MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
530 MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
531 MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
532 MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
533 MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
534 MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
535 MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
536 MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
537 MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
538 MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
539 MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
540 MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
541 MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
542 MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
543 MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
544 MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
545 MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
546 MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
547 MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
548 MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
549 MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
550 MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
551 MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
552 MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
553 MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
554 MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
555 MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
556 MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
557 MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
558 MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
559 MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
560 MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
561 MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
562 MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
563 MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
564 MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
565 MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
566 MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
567 MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
568 MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
569 MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
570 MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
571 MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
572 MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
573 MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
574 MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
575 MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
576 MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
577 /* GPIO function */
578 MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
579 MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
580 MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
581 MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
582 MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
583 MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false)
584 MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
585 MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
586 MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
587 MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
588 #endif
589 };
590
591 const short da850_i2c0_pins[] __initdata = {
592 DA850_I2C0_SDA, DA850_I2C0_SCL,
593 -1
594 };
595
596 const short da850_i2c1_pins[] __initdata = {
597 DA850_I2C1_SCL, DA850_I2C1_SDA,
598 -1
599 };
600
601 const short da850_lcdcntl_pins[] __initdata = {
602 DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
603 DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
604 DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
605 DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
606 DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
607 -1
608 };
609
610 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
611 static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
612 [IRQ_DA8XX_COMMTX] = 7,
613 [IRQ_DA8XX_COMMRX] = 7,
614 [IRQ_DA8XX_NINT] = 7,
615 [IRQ_DA8XX_EVTOUT0] = 7,
616 [IRQ_DA8XX_EVTOUT1] = 7,
617 [IRQ_DA8XX_EVTOUT2] = 7,
618 [IRQ_DA8XX_EVTOUT3] = 7,
619 [IRQ_DA8XX_EVTOUT4] = 7,
620 [IRQ_DA8XX_EVTOUT5] = 7,
621 [IRQ_DA8XX_EVTOUT6] = 7,
622 [IRQ_DA8XX_EVTOUT7] = 7,
623 [IRQ_DA8XX_CCINT0] = 7,
624 [IRQ_DA8XX_CCERRINT] = 7,
625 [IRQ_DA8XX_TCERRINT0] = 7,
626 [IRQ_DA8XX_AEMIFINT] = 7,
627 [IRQ_DA8XX_I2CINT0] = 7,
628 [IRQ_DA8XX_MMCSDINT0] = 7,
629 [IRQ_DA8XX_MMCSDINT1] = 7,
630 [IRQ_DA8XX_ALLINT0] = 7,
631 [IRQ_DA8XX_RTC] = 7,
632 [IRQ_DA8XX_SPINT0] = 7,
633 [IRQ_DA8XX_TINT12_0] = 7,
634 [IRQ_DA8XX_TINT34_0] = 7,
635 [IRQ_DA8XX_TINT12_1] = 7,
636 [IRQ_DA8XX_TINT34_1] = 7,
637 [IRQ_DA8XX_UARTINT0] = 7,
638 [IRQ_DA8XX_KEYMGRINT] = 7,
639 [IRQ_DA850_MPUADDRERR0] = 7,
640 [IRQ_DA8XX_CHIPINT0] = 7,
641 [IRQ_DA8XX_CHIPINT1] = 7,
642 [IRQ_DA8XX_CHIPINT2] = 7,
643 [IRQ_DA8XX_CHIPINT3] = 7,
644 [IRQ_DA8XX_TCERRINT1] = 7,
645 [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
646 [IRQ_DA8XX_C0_RX_PULSE] = 7,
647 [IRQ_DA8XX_C0_TX_PULSE] = 7,
648 [IRQ_DA8XX_C0_MISC_PULSE] = 7,
649 [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
650 [IRQ_DA8XX_C1_RX_PULSE] = 7,
651 [IRQ_DA8XX_C1_TX_PULSE] = 7,
652 [IRQ_DA8XX_C1_MISC_PULSE] = 7,
653 [IRQ_DA8XX_MEMERR] = 7,
654 [IRQ_DA8XX_GPIO0] = 7,
655 [IRQ_DA8XX_GPIO1] = 7,
656 [IRQ_DA8XX_GPIO2] = 7,
657 [IRQ_DA8XX_GPIO3] = 7,
658 [IRQ_DA8XX_GPIO4] = 7,
659 [IRQ_DA8XX_GPIO5] = 7,
660 [IRQ_DA8XX_GPIO6] = 7,
661 [IRQ_DA8XX_GPIO7] = 7,
662 [IRQ_DA8XX_GPIO8] = 7,
663 [IRQ_DA8XX_I2CINT1] = 7,
664 [IRQ_DA8XX_LCDINT] = 7,
665 [IRQ_DA8XX_UARTINT1] = 7,
666 [IRQ_DA8XX_MCASPINT] = 7,
667 [IRQ_DA8XX_ALLINT1] = 7,
668 [IRQ_DA8XX_SPINT1] = 7,
669 [IRQ_DA8XX_UHPI_INT1] = 7,
670 [IRQ_DA8XX_USB_INT] = 7,
671 [IRQ_DA8XX_IRQN] = 7,
672 [IRQ_DA8XX_RWAKEUP] = 7,
673 [IRQ_DA8XX_UARTINT2] = 7,
674 [IRQ_DA8XX_DFTSSINT] = 7,
675 [IRQ_DA8XX_EHRPWM0] = 7,
676 [IRQ_DA8XX_EHRPWM0TZ] = 7,
677 [IRQ_DA8XX_EHRPWM1] = 7,
678 [IRQ_DA8XX_EHRPWM1TZ] = 7,
679 [IRQ_DA850_SATAINT] = 7,
680 [IRQ_DA850_TINTALL_2] = 7,
681 [IRQ_DA8XX_ECAP0] = 7,
682 [IRQ_DA8XX_ECAP1] = 7,
683 [IRQ_DA8XX_ECAP2] = 7,
684 [IRQ_DA850_MMCSDINT0_1] = 7,
685 [IRQ_DA850_MMCSDINT1_1] = 7,
686 [IRQ_DA850_T12CMPINT0_2] = 7,
687 [IRQ_DA850_T12CMPINT1_2] = 7,
688 [IRQ_DA850_T12CMPINT2_2] = 7,
689 [IRQ_DA850_T12CMPINT3_2] = 7,
690 [IRQ_DA850_T12CMPINT4_2] = 7,
691 [IRQ_DA850_T12CMPINT5_2] = 7,
692 [IRQ_DA850_T12CMPINT6_2] = 7,
693 [IRQ_DA850_T12CMPINT7_2] = 7,
694 [IRQ_DA850_T12CMPINT0_3] = 7,
695 [IRQ_DA850_T12CMPINT1_3] = 7,
696 [IRQ_DA850_T12CMPINT2_3] = 7,
697 [IRQ_DA850_T12CMPINT3_3] = 7,
698 [IRQ_DA850_T12CMPINT4_3] = 7,
699 [IRQ_DA850_T12CMPINT5_3] = 7,
700 [IRQ_DA850_T12CMPINT6_3] = 7,
701 [IRQ_DA850_T12CMPINT7_3] = 7,
702 [IRQ_DA850_RPIINT] = 7,
703 [IRQ_DA850_VPIFINT] = 7,
704 [IRQ_DA850_CCINT1] = 7,
705 [IRQ_DA850_CCERRINT1] = 7,
706 [IRQ_DA850_TCERRINT2] = 7,
707 [IRQ_DA850_TINTALL_3] = 7,
708 [IRQ_DA850_MCBSP0RINT] = 7,
709 [IRQ_DA850_MCBSP0XINT] = 7,
710 [IRQ_DA850_MCBSP1RINT] = 7,
711 [IRQ_DA850_MCBSP1XINT] = 7,
712 [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
713 };
714
715 static struct map_desc da850_io_desc[] = {
716 {
717 .virtual = IO_VIRT,
718 .pfn = __phys_to_pfn(IO_PHYS),
719 .length = IO_SIZE,
720 .type = MT_DEVICE
721 },
722 {
723 .virtual = DA8XX_CP_INTC_VIRT,
724 .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
725 .length = DA8XX_CP_INTC_SIZE,
726 .type = MT_DEVICE
727 },
728 {
729 .virtual = SRAM_VIRT,
730 .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE),
731 .length = SZ_8K,
732 .type = MT_DEVICE
733 },
734 };
735
736 static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
737
738 /* Contents of JTAG ID register used to identify exact cpu type */
739 static struct davinci_id da850_ids[] = {
740 {
741 .variant = 0x0,
742 .part_no = 0xb7d1,
743 .manufacturer = 0x017, /* 0x02f >> 1 */
744 .cpu_id = DAVINCI_CPU_ID_DA850,
745 .name = "da850/omap-l138",
746 },
747 {
748 .variant = 0x1,
749 .part_no = 0xb7d1,
750 .manufacturer = 0x017, /* 0x02f >> 1 */
751 .cpu_id = DAVINCI_CPU_ID_DA850,
752 .name = "da850/omap-l138/am18x",
753 },
754 };
755
756 static struct davinci_timer_instance da850_timer_instance[4] = {
757 {
758 .base = DA8XX_TIMER64P0_BASE,
759 .bottom_irq = IRQ_DA8XX_TINT12_0,
760 .top_irq = IRQ_DA8XX_TINT34_0,
761 },
762 {
763 .base = DA8XX_TIMER64P1_BASE,
764 .bottom_irq = IRQ_DA8XX_TINT12_1,
765 .top_irq = IRQ_DA8XX_TINT34_1,
766 },
767 {
768 .base = DA850_TIMER64P2_BASE,
769 .bottom_irq = IRQ_DA850_TINT12_2,
770 .top_irq = IRQ_DA850_TINT34_2,
771 },
772 {
773 .base = DA850_TIMER64P3_BASE,
774 .bottom_irq = IRQ_DA850_TINT12_3,
775 .top_irq = IRQ_DA850_TINT34_3,
776 },
777 };
778
779 /*
780 * T0_BOT: Timer 0, bottom : Used for clock_event
781 * T0_TOP: Timer 0, top : Used for clocksource
782 * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
783 */
784 static struct davinci_timer_info da850_timer_info = {
785 .timers = da850_timer_instance,
786 .clockevent_id = T0_BOT,
787 .clocksource_id = T0_TOP,
788 };
789
790 static void da850_set_async3_src(int pllnum)
791 {
792 struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
793 struct clk_lookup *c;
794 unsigned int v;
795 int ret;
796
797 for (c = da850_clks; c->clk; c++) {
798 clk = c->clk;
799 if (clk->flags & DA850_CLK_ASYNC3) {
800 ret = clk_set_parent(clk, newparent);
801 WARN(ret, "DA850: unable to re-parent clock %s",
802 clk->name);
803 }
804 }
805
806 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
807 if (pllnum)
808 v |= CFGCHIP3_ASYNC3_CLKSRC;
809 else
810 v &= ~CFGCHIP3_ASYNC3_CLKSRC;
811 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
812 }
813
814 #ifdef CONFIG_CPU_FREQ
815 /*
816 * Notes:
817 * According to the TRM, minimum PLLM results in maximum power savings.
818 * The OPP definitions below should keep the PLLM as low as possible.
819 *
820 * The output of the PLLM must be between 300 to 600 MHz.
821 */
822 struct da850_opp {
823 unsigned int freq; /* in KHz */
824 unsigned int prediv;
825 unsigned int mult;
826 unsigned int postdiv;
827 unsigned int cvdd_min; /* in uV */
828 unsigned int cvdd_max; /* in uV */
829 };
830
831 static const struct da850_opp da850_opp_456 = {
832 .freq = 456000,
833 .prediv = 1,
834 .mult = 19,
835 .postdiv = 1,
836 .cvdd_min = 1300000,
837 .cvdd_max = 1350000,
838 };
839
840 static const struct da850_opp da850_opp_408 = {
841 .freq = 408000,
842 .prediv = 1,
843 .mult = 17,
844 .postdiv = 1,
845 .cvdd_min = 1300000,
846 .cvdd_max = 1350000,
847 };
848
849 static const struct da850_opp da850_opp_372 = {
850 .freq = 372000,
851 .prediv = 2,
852 .mult = 31,
853 .postdiv = 1,
854 .cvdd_min = 1200000,
855 .cvdd_max = 1320000,
856 };
857
858 static const struct da850_opp da850_opp_300 = {
859 .freq = 300000,
860 .prediv = 1,
861 .mult = 25,
862 .postdiv = 2,
863 .cvdd_min = 1200000,
864 .cvdd_max = 1320000,
865 };
866
867 static const struct da850_opp da850_opp_200 = {
868 .freq = 200000,
869 .prediv = 1,
870 .mult = 25,
871 .postdiv = 3,
872 .cvdd_min = 1100000,
873 .cvdd_max = 1160000,
874 };
875
876 static const struct da850_opp da850_opp_96 = {
877 .freq = 96000,
878 .prediv = 1,
879 .mult = 20,
880 .postdiv = 5,
881 .cvdd_min = 1000000,
882 .cvdd_max = 1050000,
883 };
884
885 #define OPP(freq) \
886 { \
887 .index = (unsigned int) &da850_opp_##freq, \
888 .frequency = freq * 1000, \
889 }
890
891 static struct cpufreq_frequency_table da850_freq_table[] = {
892 OPP(456),
893 OPP(408),
894 OPP(372),
895 OPP(300),
896 OPP(200),
897 OPP(96),
898 {
899 .index = 0,
900 .frequency = CPUFREQ_TABLE_END,
901 },
902 };
903
904 #ifdef CONFIG_REGULATOR
905 static int da850_set_voltage(unsigned int index);
906 static int da850_regulator_init(void);
907 #endif
908
909 static struct davinci_cpufreq_config cpufreq_info = {
910 .freq_table = da850_freq_table,
911 #ifdef CONFIG_REGULATOR
912 .init = da850_regulator_init,
913 .set_voltage = da850_set_voltage,
914 #endif
915 };
916
917 #ifdef CONFIG_REGULATOR
918 static struct regulator *cvdd;
919
920 static int da850_set_voltage(unsigned int index)
921 {
922 struct da850_opp *opp;
923
924 if (!cvdd)
925 return -ENODEV;
926
927 opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
928
929 return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
930 }
931
932 static int da850_regulator_init(void)
933 {
934 cvdd = regulator_get(NULL, "cvdd");
935 if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
936 " voltage scaling unsupported\n")) {
937 return PTR_ERR(cvdd);
938 }
939
940 return 0;
941 }
942 #endif
943
944 static struct platform_device da850_cpufreq_device = {
945 .name = "cpufreq-davinci",
946 .dev = {
947 .platform_data = &cpufreq_info,
948 },
949 .id = -1,
950 };
951
952 unsigned int da850_max_speed = 300000;
953
954 int __init da850_register_cpufreq(char *async_clk)
955 {
956 int i;
957
958 /* cpufreq driver can help keep an "async" clock constant */
959 if (async_clk)
960 clk_add_alias("async", da850_cpufreq_device.name,
961 async_clk, NULL);
962 for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
963 if (da850_freq_table[i].frequency <= da850_max_speed) {
964 cpufreq_info.freq_table = &da850_freq_table[i];
965 break;
966 }
967 }
968
969 return platform_device_register(&da850_cpufreq_device);
970 }
971
972 static int da850_round_armrate(struct clk *clk, unsigned long rate)
973 {
974 int i, ret = 0, diff;
975 unsigned int best = (unsigned int) -1;
976 struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
977
978 rate /= 1000; /* convert to kHz */
979
980 for (i = 0; table[i].frequency != CPUFREQ_TABLE_END; i++) {
981 diff = table[i].frequency - rate;
982 if (diff < 0)
983 diff = -diff;
984
985 if (diff < best) {
986 best = diff;
987 ret = table[i].frequency;
988 }
989 }
990
991 return ret * 1000;
992 }
993
994 static int da850_set_armrate(struct clk *clk, unsigned long index)
995 {
996 struct clk *pllclk = &pll0_clk;
997
998 return clk_set_rate(pllclk, index);
999 }
1000
1001 static int da850_set_pll0rate(struct clk *clk, unsigned long index)
1002 {
1003 unsigned int prediv, mult, postdiv;
1004 struct da850_opp *opp;
1005 struct pll_data *pll = clk->pll_data;
1006 int ret;
1007
1008 opp = (struct da850_opp *) cpufreq_info.freq_table[index].index;
1009 prediv = opp->prediv;
1010 mult = opp->mult;
1011 postdiv = opp->postdiv;
1012
1013 ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
1014 if (WARN_ON(ret))
1015 return ret;
1016
1017 return 0;
1018 }
1019 #else
1020 int __init da850_register_cpufreq(char *async_clk)
1021 {
1022 return 0;
1023 }
1024
1025 static int da850_set_armrate(struct clk *clk, unsigned long rate)
1026 {
1027 return -EINVAL;
1028 }
1029
1030 static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
1031 {
1032 return -EINVAL;
1033 }
1034
1035 static int da850_round_armrate(struct clk *clk, unsigned long rate)
1036 {
1037 return clk->rate;
1038 }
1039 #endif
1040
1041 int da850_register_pm(struct platform_device *pdev)
1042 {
1043 int ret;
1044 struct davinci_pm_config *pdata = pdev->dev.platform_data;
1045
1046 ret = davinci_cfg_reg(DA850_RTC_ALARM);
1047 if (ret)
1048 return ret;
1049
1050 pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
1051 pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
1052 pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
1053
1054 pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
1055 if (!pdata->cpupll_reg_base)
1056 return -ENOMEM;
1057
1058 pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
1059 if (!pdata->ddrpll_reg_base) {
1060 ret = -ENOMEM;
1061 goto no_ddrpll_mem;
1062 }
1063
1064 pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
1065 if (!pdata->ddrpsc_reg_base) {
1066 ret = -ENOMEM;
1067 goto no_ddrpsc_mem;
1068 }
1069
1070 return platform_device_register(pdev);
1071
1072 no_ddrpsc_mem:
1073 iounmap(pdata->ddrpll_reg_base);
1074 no_ddrpll_mem:
1075 iounmap(pdata->cpupll_reg_base);
1076 return ret;
1077 }
1078
1079 static struct davinci_soc_info davinci_soc_info_da850 = {
1080 .io_desc = da850_io_desc,
1081 .io_desc_num = ARRAY_SIZE(da850_io_desc),
1082 .jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
1083 .ids = da850_ids,
1084 .ids_num = ARRAY_SIZE(da850_ids),
1085 .cpu_clks = da850_clks,
1086 .psc_bases = da850_psc_bases,
1087 .psc_bases_num = ARRAY_SIZE(da850_psc_bases),
1088 .pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
1089 .pinmux_pins = da850_pins,
1090 .pinmux_pins_num = ARRAY_SIZE(da850_pins),
1091 .intc_base = DA8XX_CP_INTC_BASE,
1092 .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
1093 .intc_irq_prios = da850_default_priorities,
1094 .intc_irq_num = DA850_N_CP_INTC_IRQ,
1095 .timer_info = &da850_timer_info,
1096 .gpio_type = GPIO_TYPE_DAVINCI,
1097 .gpio_base = DA8XX_GPIO_BASE,
1098 .gpio_num = 144,
1099 .gpio_irq = IRQ_DA8XX_GPIO0,
1100 .serial_dev = &da8xx_serial_device,
1101 .emac_pdata = &da8xx_emac_pdata,
1102 .sram_dma = DA8XX_ARM_RAM_BASE,
1103 .sram_len = SZ_8K,
1104 .reset_device = &da8xx_wdt_device,
1105 };
1106
1107 void __init da850_init(void)
1108 {
1109 unsigned int v;
1110
1111 davinci_common_init(&davinci_soc_info_da850);
1112
1113 da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
1114 if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
1115 return;
1116
1117 da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
1118 if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
1119 return;
1120
1121 /*
1122 * Move the clock source of Async3 domain to PLL1 SYSCLK2.
1123 * This helps keeping the peripherals on this domain insulated
1124 * from CPU frequency changes caused by DVFS. The firmware sets
1125 * both PLL0 and PLL1 to the same frequency so, there should not
1126 * be any noticeable change even in non-DVFS use cases.
1127 */
1128 da850_set_async3_src(1);
1129
1130 /* Unlock writing to PLL0 registers */
1131 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1132 v &= ~CFGCHIP0_PLL_MASTER_LOCK;
1133 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
1134
1135 /* Unlock writing to PLL1 registers */
1136 v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1137 v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
1138 __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
1139 }
linux-next