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e1a8d7e2 SR |
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 | */ | |
e1a8d7e2 SR |
14 | #include <linux/init.h> |
15 | #include <linux/clk.h> | |
16 | #include <linux/platform_device.h> | |
683b1e1f | 17 | #include <linux/cpufreq.h> |
35f9acd8 | 18 | #include <linux/regulator/consumer.h> |
e1a8d7e2 SR |
19 | |
20 | #include <asm/mach/map.h> | |
21 | ||
e1a8d7e2 | 22 | #include <mach/psc.h> |
e1a8d7e2 SR |
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> | |
683b1e1f | 28 | #include <mach/cpufreq.h> |
e1a8d7e2 SR |
29 | |
30 | #include "clock.h" | |
31 | #include "mux.h" | |
32 | ||
5d36a332 SN |
33 | /* SoC specific clock flags */ |
34 | #define DA850_CLK_ASYNC3 BIT(16) | |
35 | ||
e1a8d7e2 SR |
36 | #define DA850_PLL1_BASE 0x01e1a000 |
37 | #define DA850_TIMER64P2_BASE 0x01f0c000 | |
38 | #define DA850_TIMER64P3_BASE 0x01f0d000 | |
39 | ||
40 | #define DA850_REF_FREQ 24000000 | |
41 | ||
5d36a332 | 42 | #define CFGCHIP3_ASYNC3_CLKSRC BIT(4) |
683b1e1f SN |
43 | #define CFGCHIP0_PLL_MASTER_LOCK BIT(4) |
44 | ||
45 | static int da850_set_armrate(struct clk *clk, unsigned long rate); | |
46 | static int da850_round_armrate(struct clk *clk, unsigned long rate); | |
47 | static int da850_set_pll0rate(struct clk *clk, unsigned long armrate); | |
5d36a332 | 48 | |
e1a8d7e2 SR |
49 | static struct pll_data pll0_data = { |
50 | .num = 1, | |
51 | .phys_base = DA8XX_PLL0_BASE, | |
52 | .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV, | |
53 | }; | |
54 | ||
55 | static struct clk ref_clk = { | |
56 | .name = "ref_clk", | |
57 | .rate = DA850_REF_FREQ, | |
58 | }; | |
59 | ||
60 | static struct clk pll0_clk = { | |
61 | .name = "pll0", | |
62 | .parent = &ref_clk, | |
63 | .pll_data = &pll0_data, | |
64 | .flags = CLK_PLL, | |
683b1e1f | 65 | .set_rate = da850_set_pll0rate, |
e1a8d7e2 SR |
66 | }; |
67 | ||
68 | static struct clk pll0_aux_clk = { | |
69 | .name = "pll0_aux_clk", | |
70 | .parent = &pll0_clk, | |
71 | .flags = CLK_PLL | PRE_PLL, | |
72 | }; | |
73 | ||
74 | static struct clk pll0_sysclk2 = { | |
75 | .name = "pll0_sysclk2", | |
76 | .parent = &pll0_clk, | |
77 | .flags = CLK_PLL, | |
78 | .div_reg = PLLDIV2, | |
79 | }; | |
80 | ||
81 | static struct clk pll0_sysclk3 = { | |
82 | .name = "pll0_sysclk3", | |
83 | .parent = &pll0_clk, | |
84 | .flags = CLK_PLL, | |
85 | .div_reg = PLLDIV3, | |
86 | }; | |
87 | ||
88 | static struct clk pll0_sysclk4 = { | |
89 | .name = "pll0_sysclk4", | |
90 | .parent = &pll0_clk, | |
91 | .flags = CLK_PLL, | |
92 | .div_reg = PLLDIV4, | |
93 | }; | |
94 | ||
95 | static struct clk pll0_sysclk5 = { | |
96 | .name = "pll0_sysclk5", | |
97 | .parent = &pll0_clk, | |
98 | .flags = CLK_PLL, | |
99 | .div_reg = PLLDIV5, | |
100 | }; | |
101 | ||
102 | static struct clk pll0_sysclk6 = { | |
103 | .name = "pll0_sysclk6", | |
104 | .parent = &pll0_clk, | |
105 | .flags = CLK_PLL, | |
106 | .div_reg = PLLDIV6, | |
107 | }; | |
108 | ||
109 | static struct clk pll0_sysclk7 = { | |
110 | .name = "pll0_sysclk7", | |
111 | .parent = &pll0_clk, | |
112 | .flags = CLK_PLL, | |
113 | .div_reg = PLLDIV7, | |
114 | }; | |
115 | ||
116 | static struct pll_data pll1_data = { | |
117 | .num = 2, | |
118 | .phys_base = DA850_PLL1_BASE, | |
119 | .flags = PLL_HAS_POSTDIV, | |
120 | }; | |
121 | ||
122 | static struct clk pll1_clk = { | |
123 | .name = "pll1", | |
124 | .parent = &ref_clk, | |
125 | .pll_data = &pll1_data, | |
126 | .flags = CLK_PLL, | |
127 | }; | |
128 | ||
129 | static struct clk pll1_aux_clk = { | |
130 | .name = "pll1_aux_clk", | |
131 | .parent = &pll1_clk, | |
132 | .flags = CLK_PLL | PRE_PLL, | |
133 | }; | |
134 | ||
135 | static struct clk pll1_sysclk2 = { | |
136 | .name = "pll1_sysclk2", | |
137 | .parent = &pll1_clk, | |
138 | .flags = CLK_PLL, | |
139 | .div_reg = PLLDIV2, | |
140 | }; | |
141 | ||
142 | static struct clk pll1_sysclk3 = { | |
143 | .name = "pll1_sysclk3", | |
144 | .parent = &pll1_clk, | |
145 | .flags = CLK_PLL, | |
146 | .div_reg = PLLDIV3, | |
147 | }; | |
148 | ||
149 | static struct clk pll1_sysclk4 = { | |
150 | .name = "pll1_sysclk4", | |
151 | .parent = &pll1_clk, | |
152 | .flags = CLK_PLL, | |
153 | .div_reg = PLLDIV4, | |
154 | }; | |
155 | ||
156 | static struct clk pll1_sysclk5 = { | |
157 | .name = "pll1_sysclk5", | |
158 | .parent = &pll1_clk, | |
159 | .flags = CLK_PLL, | |
160 | .div_reg = PLLDIV5, | |
161 | }; | |
162 | ||
163 | static struct clk pll1_sysclk6 = { | |
164 | .name = "pll0_sysclk6", | |
165 | .parent = &pll0_clk, | |
166 | .flags = CLK_PLL, | |
167 | .div_reg = PLLDIV6, | |
168 | }; | |
169 | ||
170 | static struct clk pll1_sysclk7 = { | |
171 | .name = "pll1_sysclk7", | |
172 | .parent = &pll1_clk, | |
173 | .flags = CLK_PLL, | |
174 | .div_reg = PLLDIV7, | |
175 | }; | |
176 | ||
177 | static struct clk i2c0_clk = { | |
178 | .name = "i2c0", | |
179 | .parent = &pll0_aux_clk, | |
180 | }; | |
181 | ||
182 | static struct clk timerp64_0_clk = { | |
183 | .name = "timer0", | |
184 | .parent = &pll0_aux_clk, | |
185 | }; | |
186 | ||
187 | static struct clk timerp64_1_clk = { | |
188 | .name = "timer1", | |
189 | .parent = &pll0_aux_clk, | |
190 | }; | |
191 | ||
192 | static struct clk arm_rom_clk = { | |
193 | .name = "arm_rom", | |
194 | .parent = &pll0_sysclk2, | |
195 | .lpsc = DA8XX_LPSC0_ARM_RAM_ROM, | |
196 | .flags = ALWAYS_ENABLED, | |
197 | }; | |
198 | ||
199 | static struct clk tpcc0_clk = { | |
200 | .name = "tpcc0", | |
201 | .parent = &pll0_sysclk2, | |
202 | .lpsc = DA8XX_LPSC0_TPCC, | |
203 | .flags = ALWAYS_ENABLED | CLK_PSC, | |
204 | }; | |
205 | ||
206 | static struct clk tptc0_clk = { | |
207 | .name = "tptc0", | |
208 | .parent = &pll0_sysclk2, | |
209 | .lpsc = DA8XX_LPSC0_TPTC0, | |
210 | .flags = ALWAYS_ENABLED, | |
211 | }; | |
212 | ||
213 | static struct clk tptc1_clk = { | |
214 | .name = "tptc1", | |
215 | .parent = &pll0_sysclk2, | |
216 | .lpsc = DA8XX_LPSC0_TPTC1, | |
217 | .flags = ALWAYS_ENABLED, | |
218 | }; | |
219 | ||
220 | static struct clk tpcc1_clk = { | |
221 | .name = "tpcc1", | |
222 | .parent = &pll0_sysclk2, | |
223 | .lpsc = DA850_LPSC1_TPCC1, | |
789a785e | 224 | .gpsc = 1, |
e1a8d7e2 | 225 | .flags = CLK_PSC | ALWAYS_ENABLED, |
e1a8d7e2 SR |
226 | }; |
227 | ||
228 | static struct clk tptc2_clk = { | |
229 | .name = "tptc2", | |
230 | .parent = &pll0_sysclk2, | |
231 | .lpsc = DA850_LPSC1_TPTC2, | |
789a785e | 232 | .gpsc = 1, |
e1a8d7e2 | 233 | .flags = ALWAYS_ENABLED, |
e1a8d7e2 SR |
234 | }; |
235 | ||
236 | static struct clk uart0_clk = { | |
237 | .name = "uart0", | |
238 | .parent = &pll0_sysclk2, | |
239 | .lpsc = DA8XX_LPSC0_UART0, | |
240 | }; | |
241 | ||
242 | static struct clk uart1_clk = { | |
243 | .name = "uart1", | |
244 | .parent = &pll0_sysclk2, | |
245 | .lpsc = DA8XX_LPSC1_UART1, | |
789a785e | 246 | .gpsc = 1, |
5d36a332 | 247 | .flags = DA850_CLK_ASYNC3, |
e1a8d7e2 SR |
248 | }; |
249 | ||
250 | static struct clk uart2_clk = { | |
251 | .name = "uart2", | |
252 | .parent = &pll0_sysclk2, | |
253 | .lpsc = DA8XX_LPSC1_UART2, | |
789a785e | 254 | .gpsc = 1, |
5d36a332 | 255 | .flags = DA850_CLK_ASYNC3, |
e1a8d7e2 SR |
256 | }; |
257 | ||
258 | static struct clk aintc_clk = { | |
259 | .name = "aintc", | |
260 | .parent = &pll0_sysclk4, | |
261 | .lpsc = DA8XX_LPSC0_AINTC, | |
262 | .flags = ALWAYS_ENABLED, | |
263 | }; | |
264 | ||
265 | static struct clk gpio_clk = { | |
266 | .name = "gpio", | |
267 | .parent = &pll0_sysclk4, | |
268 | .lpsc = DA8XX_LPSC1_GPIO, | |
789a785e | 269 | .gpsc = 1, |
e1a8d7e2 SR |
270 | }; |
271 | ||
272 | static struct clk i2c1_clk = { | |
273 | .name = "i2c1", | |
274 | .parent = &pll0_sysclk4, | |
275 | .lpsc = DA8XX_LPSC1_I2C, | |
789a785e | 276 | .gpsc = 1, |
e1a8d7e2 SR |
277 | }; |
278 | ||
279 | static struct clk emif3_clk = { | |
280 | .name = "emif3", | |
281 | .parent = &pll0_sysclk5, | |
282 | .lpsc = DA8XX_LPSC1_EMIF3C, | |
789a785e | 283 | .gpsc = 1, |
e1a8d7e2 | 284 | .flags = ALWAYS_ENABLED, |
e1a8d7e2 SR |
285 | }; |
286 | ||
287 | static struct clk arm_clk = { | |
288 | .name = "arm", | |
289 | .parent = &pll0_sysclk6, | |
290 | .lpsc = DA8XX_LPSC0_ARM, | |
291 | .flags = ALWAYS_ENABLED, | |
683b1e1f SN |
292 | .set_rate = da850_set_armrate, |
293 | .round_rate = da850_round_armrate, | |
e1a8d7e2 SR |
294 | }; |
295 | ||
296 | static struct clk rmii_clk = { | |
297 | .name = "rmii", | |
298 | .parent = &pll0_sysclk7, | |
299 | }; | |
300 | ||
5a4b1315 SR |
301 | static struct clk emac_clk = { |
302 | .name = "emac", | |
303 | .parent = &pll0_sysclk4, | |
304 | .lpsc = DA8XX_LPSC1_CPGMAC, | |
789a785e | 305 | .gpsc = 1, |
5a4b1315 SR |
306 | }; |
307 | ||
491214e1 C |
308 | static struct clk mcasp_clk = { |
309 | .name = "mcasp", | |
310 | .parent = &pll0_sysclk2, | |
311 | .lpsc = DA8XX_LPSC1_McASP0, | |
789a785e | 312 | .gpsc = 1, |
51157ed8 | 313 | .flags = DA850_CLK_ASYNC3, |
491214e1 C |
314 | }; |
315 | ||
5cbdf276 SR |
316 | static struct clk lcdc_clk = { |
317 | .name = "lcdc", | |
318 | .parent = &pll0_sysclk2, | |
319 | .lpsc = DA8XX_LPSC1_LCDC, | |
789a785e | 320 | .gpsc = 1, |
5cbdf276 SR |
321 | }; |
322 | ||
700691f2 SR |
323 | static struct clk mmcsd_clk = { |
324 | .name = "mmcsd", | |
325 | .parent = &pll0_sysclk2, | |
326 | .lpsc = DA8XX_LPSC0_MMC_SD, | |
327 | }; | |
328 | ||
38beb929 SR |
329 | static struct clk aemif_clk = { |
330 | .name = "aemif", | |
331 | .parent = &pll0_sysclk3, | |
332 | .lpsc = DA8XX_LPSC0_EMIF25, | |
333 | .flags = ALWAYS_ENABLED, | |
334 | }; | |
335 | ||
e1a8d7e2 SR |
336 | static struct davinci_clk da850_clks[] = { |
337 | CLK(NULL, "ref", &ref_clk), | |
338 | CLK(NULL, "pll0", &pll0_clk), | |
339 | CLK(NULL, "pll0_aux", &pll0_aux_clk), | |
340 | CLK(NULL, "pll0_sysclk2", &pll0_sysclk2), | |
341 | CLK(NULL, "pll0_sysclk3", &pll0_sysclk3), | |
342 | CLK(NULL, "pll0_sysclk4", &pll0_sysclk4), | |
343 | CLK(NULL, "pll0_sysclk5", &pll0_sysclk5), | |
344 | CLK(NULL, "pll0_sysclk6", &pll0_sysclk6), | |
345 | CLK(NULL, "pll0_sysclk7", &pll0_sysclk7), | |
346 | CLK(NULL, "pll1", &pll1_clk), | |
347 | CLK(NULL, "pll1_aux", &pll1_aux_clk), | |
348 | CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), | |
349 | CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), | |
350 | CLK(NULL, "pll1_sysclk4", &pll1_sysclk4), | |
351 | CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), | |
352 | CLK(NULL, "pll1_sysclk6", &pll1_sysclk6), | |
353 | CLK(NULL, "pll1_sysclk7", &pll1_sysclk7), | |
354 | CLK("i2c_davinci.1", NULL, &i2c0_clk), | |
355 | CLK(NULL, "timer0", &timerp64_0_clk), | |
356 | CLK("watchdog", NULL, &timerp64_1_clk), | |
357 | CLK(NULL, "arm_rom", &arm_rom_clk), | |
358 | CLK(NULL, "tpcc0", &tpcc0_clk), | |
359 | CLK(NULL, "tptc0", &tptc0_clk), | |
360 | CLK(NULL, "tptc1", &tptc1_clk), | |
361 | CLK(NULL, "tpcc1", &tpcc1_clk), | |
362 | CLK(NULL, "tptc2", &tptc2_clk), | |
363 | CLK(NULL, "uart0", &uart0_clk), | |
364 | CLK(NULL, "uart1", &uart1_clk), | |
365 | CLK(NULL, "uart2", &uart2_clk), | |
366 | CLK(NULL, "aintc", &aintc_clk), | |
367 | CLK(NULL, "gpio", &gpio_clk), | |
368 | CLK("i2c_davinci.2", NULL, &i2c1_clk), | |
369 | CLK(NULL, "emif3", &emif3_clk), | |
370 | CLK(NULL, "arm", &arm_clk), | |
371 | CLK(NULL, "rmii", &rmii_clk), | |
5a4b1315 | 372 | CLK("davinci_emac.1", NULL, &emac_clk), |
491214e1 | 373 | CLK("davinci-mcasp.0", NULL, &mcasp_clk), |
5cbdf276 | 374 | CLK("da8xx_lcdc.0", NULL, &lcdc_clk), |
700691f2 | 375 | CLK("davinci_mmc.0", NULL, &mmcsd_clk), |
38beb929 | 376 | CLK(NULL, "aemif", &aemif_clk), |
e1a8d7e2 SR |
377 | CLK(NULL, NULL, NULL), |
378 | }; | |
379 | ||
380 | /* | |
381 | * Device specific mux setup | |
382 | * | |
383 | * soc description mux mode mode mux dbg | |
384 | * reg offset mask mode | |
385 | */ | |
386 | static const struct mux_config da850_pins[] = { | |
387 | #ifdef CONFIG_DAVINCI_MUX | |
388 | /* UART0 function */ | |
389 | MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false) | |
390 | MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false) | |
391 | MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false) | |
392 | MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false) | |
393 | /* UART1 function */ | |
394 | MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false) | |
395 | MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false) | |
396 | /* UART2 function */ | |
397 | MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false) | |
398 | MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false) | |
399 | /* I2C1 function */ | |
400 | MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false) | |
401 | MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false) | |
402 | /* I2C0 function */ | |
403 | MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false) | |
404 | MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false) | |
5a4b1315 SR |
405 | /* EMAC function */ |
406 | MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false) | |
407 | MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false) | |
408 | MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false) | |
409 | MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false) | |
410 | MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false) | |
411 | MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false) | |
412 | MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false) | |
413 | MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false) | |
414 | MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false) | |
415 | MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false) | |
416 | MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false) | |
417 | MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false) | |
418 | MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false) | |
419 | MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false) | |
420 | MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false) | |
53ca5c91 SR |
421 | MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false) |
422 | MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false) | |
2206771c C |
423 | MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false) |
424 | MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false) | |
425 | MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false) | |
426 | MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false) | |
427 | MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false) | |
428 | MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false) | |
429 | MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false) | |
430 | MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false) | |
491214e1 C |
431 | /* McASP function */ |
432 | MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false) | |
433 | MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false) | |
434 | MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false) | |
435 | MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false) | |
436 | MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false) | |
437 | MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false) | |
438 | MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false) | |
439 | MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false) | |
440 | MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false) | |
441 | MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false) | |
442 | MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false) | |
443 | MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false) | |
444 | MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false) | |
445 | MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false) | |
446 | MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false) | |
447 | MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false) | |
448 | MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false) | |
449 | MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false) | |
450 | MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false) | |
451 | MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false) | |
452 | MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false) | |
453 | MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false) | |
454 | MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false) | |
5cbdf276 SR |
455 | /* LCD function */ |
456 | MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false) | |
457 | MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false) | |
458 | MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false) | |
459 | MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false) | |
460 | MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false) | |
461 | MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false) | |
462 | MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false) | |
463 | MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false) | |
464 | MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false) | |
465 | MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false) | |
466 | MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false) | |
467 | MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false) | |
468 | MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false) | |
469 | MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false) | |
470 | MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false) | |
471 | MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false) | |
472 | MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false) | |
473 | MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false) | |
474 | MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false) | |
475 | MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false) | |
700691f2 SR |
476 | /* MMC/SD0 function */ |
477 | MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false) | |
478 | MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false) | |
479 | MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false) | |
480 | MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false) | |
481 | MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false) | |
482 | MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false) | |
38beb929 SR |
483 | /* EMIF2.5/EMIFA function */ |
484 | MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false) | |
485 | MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false) | |
486 | MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false) | |
487 | MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false) | |
488 | MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false) | |
489 | MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false) | |
490 | MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false) | |
491 | MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false) | |
492 | MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false) | |
493 | MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false) | |
494 | MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false) | |
495 | MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false) | |
496 | MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false) | |
497 | MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false) | |
7c5ec609 SR |
498 | MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false) |
499 | MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false) | |
500 | MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false) | |
501 | MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false) | |
502 | MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false) | |
503 | MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false) | |
504 | MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false) | |
505 | MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false) | |
506 | MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false) | |
507 | MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false) | |
508 | MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false) | |
509 | MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false) | |
510 | MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false) | |
511 | MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false) | |
512 | MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false) | |
513 | MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false) | |
514 | MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false) | |
515 | MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false) | |
516 | MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false) | |
517 | MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false) | |
518 | MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false) | |
519 | MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false) | |
520 | MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false) | |
521 | MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false) | |
522 | MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false) | |
523 | MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false) | |
524 | MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false) | |
525 | MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false) | |
526 | MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false) | |
527 | MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false) | |
528 | MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false) | |
529 | MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false) | |
530 | MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false) | |
531 | MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false) | |
5cbdf276 | 532 | /* GPIO function */ |
2206771c | 533 | MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false) |
7761ef67 | 534 | MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false) |
5cbdf276 | 535 | MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false) |
700691f2 SR |
536 | MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false) |
537 | MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false) | |
e1a8d7e2 SR |
538 | #endif |
539 | }; | |
540 | ||
541 | const short da850_uart0_pins[] __initdata = { | |
542 | DA850_NUART0_CTS, DA850_NUART0_RTS, DA850_UART0_RXD, DA850_UART0_TXD, | |
543 | -1 | |
544 | }; | |
545 | ||
546 | const short da850_uart1_pins[] __initdata = { | |
547 | DA850_UART1_RXD, DA850_UART1_TXD, | |
548 | -1 | |
549 | }; | |
550 | ||
551 | const short da850_uart2_pins[] __initdata = { | |
552 | DA850_UART2_RXD, DA850_UART2_TXD, | |
553 | -1 | |
554 | }; | |
555 | ||
556 | const short da850_i2c0_pins[] __initdata = { | |
557 | DA850_I2C0_SDA, DA850_I2C0_SCL, | |
558 | -1 | |
559 | }; | |
560 | ||
561 | const short da850_i2c1_pins[] __initdata = { | |
562 | DA850_I2C1_SCL, DA850_I2C1_SDA, | |
563 | -1 | |
564 | }; | |
565 | ||
5a4b1315 SR |
566 | const short da850_cpgmac_pins[] __initdata = { |
567 | DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, | |
568 | DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER, | |
569 | DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3, | |
53ca5c91 SR |
570 | DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK, |
571 | DA850_MDIO_D, | |
5a4b1315 SR |
572 | -1 |
573 | }; | |
574 | ||
2206771c C |
575 | const short da850_rmii_pins[] __initdata = { |
576 | DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN, | |
577 | DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1, | |
578 | DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK, | |
579 | DA850_MDIO_D, | |
580 | -1 | |
581 | }; | |
582 | ||
491214e1 C |
583 | const short da850_mcasp_pins[] __initdata = { |
584 | DA850_AHCLKX, DA850_ACLKX, DA850_AFSX, | |
585 | DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE, | |
586 | DA850_AXR_11, DA850_AXR_12, | |
587 | -1 | |
588 | }; | |
589 | ||
5cbdf276 | 590 | const short da850_lcdcntl_pins[] __initdata = { |
7761ef67 SR |
591 | DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3, |
592 | DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7, | |
593 | DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, | |
594 | DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, | |
595 | DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, | |
5cbdf276 SR |
596 | -1 |
597 | }; | |
598 | ||
700691f2 SR |
599 | const short da850_mmcsd0_pins[] __initdata = { |
600 | DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2, | |
601 | DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, | |
602 | DA850_GPIO4_0, DA850_GPIO4_1, | |
603 | -1 | |
604 | }; | |
605 | ||
38beb929 SR |
606 | const short da850_nand_pins[] __initdata = { |
607 | DA850_EMA_D_7, DA850_EMA_D_6, DA850_EMA_D_5, DA850_EMA_D_4, | |
608 | DA850_EMA_D_3, DA850_EMA_D_2, DA850_EMA_D_1, DA850_EMA_D_0, | |
609 | DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4, | |
610 | DA850_NEMA_WE, DA850_NEMA_OE, | |
611 | -1 | |
612 | }; | |
613 | ||
7c5ec609 SR |
614 | const short da850_nor_pins[] __initdata = { |
615 | DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2, | |
616 | DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1, | |
617 | DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5, | |
618 | DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9, | |
619 | DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13, | |
620 | DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1, | |
621 | DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5, | |
622 | DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9, | |
623 | DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13, | |
624 | DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17, | |
625 | DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21, | |
626 | DA850_EMA_A_22, DA850_EMA_A_23, | |
627 | -1 | |
628 | }; | |
629 | ||
e1a8d7e2 SR |
630 | /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */ |
631 | static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = { | |
632 | [IRQ_DA8XX_COMMTX] = 7, | |
633 | [IRQ_DA8XX_COMMRX] = 7, | |
634 | [IRQ_DA8XX_NINT] = 7, | |
635 | [IRQ_DA8XX_EVTOUT0] = 7, | |
636 | [IRQ_DA8XX_EVTOUT1] = 7, | |
637 | [IRQ_DA8XX_EVTOUT2] = 7, | |
638 | [IRQ_DA8XX_EVTOUT3] = 7, | |
639 | [IRQ_DA8XX_EVTOUT4] = 7, | |
640 | [IRQ_DA8XX_EVTOUT5] = 7, | |
641 | [IRQ_DA8XX_EVTOUT6] = 7, | |
642 | [IRQ_DA8XX_EVTOUT6] = 7, | |
643 | [IRQ_DA8XX_EVTOUT7] = 7, | |
644 | [IRQ_DA8XX_CCINT0] = 7, | |
645 | [IRQ_DA8XX_CCERRINT] = 7, | |
646 | [IRQ_DA8XX_TCERRINT0] = 7, | |
647 | [IRQ_DA8XX_AEMIFINT] = 7, | |
648 | [IRQ_DA8XX_I2CINT0] = 7, | |
649 | [IRQ_DA8XX_MMCSDINT0] = 7, | |
650 | [IRQ_DA8XX_MMCSDINT1] = 7, | |
651 | [IRQ_DA8XX_ALLINT0] = 7, | |
652 | [IRQ_DA8XX_RTC] = 7, | |
653 | [IRQ_DA8XX_SPINT0] = 7, | |
654 | [IRQ_DA8XX_TINT12_0] = 7, | |
655 | [IRQ_DA8XX_TINT34_0] = 7, | |
656 | [IRQ_DA8XX_TINT12_1] = 7, | |
657 | [IRQ_DA8XX_TINT34_1] = 7, | |
658 | [IRQ_DA8XX_UARTINT0] = 7, | |
659 | [IRQ_DA8XX_KEYMGRINT] = 7, | |
660 | [IRQ_DA8XX_SECINT] = 7, | |
661 | [IRQ_DA8XX_SECKEYERR] = 7, | |
662 | [IRQ_DA850_MPUADDRERR0] = 7, | |
663 | [IRQ_DA850_MPUPROTERR0] = 7, | |
664 | [IRQ_DA850_IOPUADDRERR0] = 7, | |
665 | [IRQ_DA850_IOPUPROTERR0] = 7, | |
666 | [IRQ_DA850_IOPUADDRERR1] = 7, | |
667 | [IRQ_DA850_IOPUPROTERR1] = 7, | |
668 | [IRQ_DA850_IOPUADDRERR2] = 7, | |
669 | [IRQ_DA850_IOPUPROTERR2] = 7, | |
670 | [IRQ_DA850_BOOTCFG_ADDR_ERR] = 7, | |
671 | [IRQ_DA850_BOOTCFG_PROT_ERR] = 7, | |
672 | [IRQ_DA850_MPUADDRERR1] = 7, | |
673 | [IRQ_DA850_MPUPROTERR1] = 7, | |
674 | [IRQ_DA850_IOPUADDRERR3] = 7, | |
675 | [IRQ_DA850_IOPUPROTERR3] = 7, | |
676 | [IRQ_DA850_IOPUADDRERR4] = 7, | |
677 | [IRQ_DA850_IOPUPROTERR4] = 7, | |
678 | [IRQ_DA850_IOPUADDRERR5] = 7, | |
679 | [IRQ_DA850_IOPUPROTERR5] = 7, | |
680 | [IRQ_DA850_MIOPU_BOOTCFG_ERR] = 7, | |
681 | [IRQ_DA8XX_CHIPINT0] = 7, | |
682 | [IRQ_DA8XX_CHIPINT1] = 7, | |
683 | [IRQ_DA8XX_CHIPINT2] = 7, | |
684 | [IRQ_DA8XX_CHIPINT3] = 7, | |
685 | [IRQ_DA8XX_TCERRINT1] = 7, | |
686 | [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7, | |
687 | [IRQ_DA8XX_C0_RX_PULSE] = 7, | |
688 | [IRQ_DA8XX_C0_TX_PULSE] = 7, | |
689 | [IRQ_DA8XX_C0_MISC_PULSE] = 7, | |
690 | [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7, | |
691 | [IRQ_DA8XX_C1_RX_PULSE] = 7, | |
692 | [IRQ_DA8XX_C1_TX_PULSE] = 7, | |
693 | [IRQ_DA8XX_C1_MISC_PULSE] = 7, | |
694 | [IRQ_DA8XX_MEMERR] = 7, | |
695 | [IRQ_DA8XX_GPIO0] = 7, | |
696 | [IRQ_DA8XX_GPIO1] = 7, | |
697 | [IRQ_DA8XX_GPIO2] = 7, | |
698 | [IRQ_DA8XX_GPIO3] = 7, | |
699 | [IRQ_DA8XX_GPIO4] = 7, | |
700 | [IRQ_DA8XX_GPIO5] = 7, | |
701 | [IRQ_DA8XX_GPIO6] = 7, | |
702 | [IRQ_DA8XX_GPIO7] = 7, | |
703 | [IRQ_DA8XX_GPIO8] = 7, | |
704 | [IRQ_DA8XX_I2CINT1] = 7, | |
705 | [IRQ_DA8XX_LCDINT] = 7, | |
706 | [IRQ_DA8XX_UARTINT1] = 7, | |
707 | [IRQ_DA8XX_MCASPINT] = 7, | |
708 | [IRQ_DA8XX_ALLINT1] = 7, | |
709 | [IRQ_DA8XX_SPINT1] = 7, | |
710 | [IRQ_DA8XX_UHPI_INT1] = 7, | |
711 | [IRQ_DA8XX_USB_INT] = 7, | |
712 | [IRQ_DA8XX_IRQN] = 7, | |
713 | [IRQ_DA8XX_RWAKEUP] = 7, | |
714 | [IRQ_DA8XX_UARTINT2] = 7, | |
715 | [IRQ_DA8XX_DFTSSINT] = 7, | |
716 | [IRQ_DA8XX_EHRPWM0] = 7, | |
717 | [IRQ_DA8XX_EHRPWM0TZ] = 7, | |
718 | [IRQ_DA8XX_EHRPWM1] = 7, | |
719 | [IRQ_DA8XX_EHRPWM1TZ] = 7, | |
720 | [IRQ_DA850_SATAINT] = 7, | |
721 | [IRQ_DA850_TINT12_2] = 7, | |
722 | [IRQ_DA850_TINT34_2] = 7, | |
723 | [IRQ_DA850_TINTALL_2] = 7, | |
724 | [IRQ_DA8XX_ECAP0] = 7, | |
725 | [IRQ_DA8XX_ECAP1] = 7, | |
726 | [IRQ_DA8XX_ECAP2] = 7, | |
727 | [IRQ_DA850_MMCSDINT0_1] = 7, | |
728 | [IRQ_DA850_MMCSDINT1_1] = 7, | |
729 | [IRQ_DA850_T12CMPINT0_2] = 7, | |
730 | [IRQ_DA850_T12CMPINT1_2] = 7, | |
731 | [IRQ_DA850_T12CMPINT2_2] = 7, | |
732 | [IRQ_DA850_T12CMPINT3_2] = 7, | |
733 | [IRQ_DA850_T12CMPINT4_2] = 7, | |
734 | [IRQ_DA850_T12CMPINT5_2] = 7, | |
735 | [IRQ_DA850_T12CMPINT6_2] = 7, | |
736 | [IRQ_DA850_T12CMPINT7_2] = 7, | |
737 | [IRQ_DA850_T12CMPINT0_3] = 7, | |
738 | [IRQ_DA850_T12CMPINT1_3] = 7, | |
739 | [IRQ_DA850_T12CMPINT2_3] = 7, | |
740 | [IRQ_DA850_T12CMPINT3_3] = 7, | |
741 | [IRQ_DA850_T12CMPINT4_3] = 7, | |
742 | [IRQ_DA850_T12CMPINT5_3] = 7, | |
743 | [IRQ_DA850_T12CMPINT6_3] = 7, | |
744 | [IRQ_DA850_T12CMPINT7_3] = 7, | |
745 | [IRQ_DA850_RPIINT] = 7, | |
746 | [IRQ_DA850_VPIFINT] = 7, | |
747 | [IRQ_DA850_CCINT1] = 7, | |
748 | [IRQ_DA850_CCERRINT1] = 7, | |
749 | [IRQ_DA850_TCERRINT2] = 7, | |
750 | [IRQ_DA850_TINT12_3] = 7, | |
751 | [IRQ_DA850_TINT34_3] = 7, | |
752 | [IRQ_DA850_TINTALL_3] = 7, | |
753 | [IRQ_DA850_MCBSP0RINT] = 7, | |
754 | [IRQ_DA850_MCBSP0XINT] = 7, | |
755 | [IRQ_DA850_MCBSP1RINT] = 7, | |
756 | [IRQ_DA850_MCBSP1XINT] = 7, | |
757 | [IRQ_DA8XX_ARMCLKSTOPREQ] = 7, | |
758 | }; | |
759 | ||
760 | static struct map_desc da850_io_desc[] = { | |
761 | { | |
762 | .virtual = IO_VIRT, | |
763 | .pfn = __phys_to_pfn(IO_PHYS), | |
764 | .length = IO_SIZE, | |
765 | .type = MT_DEVICE | |
766 | }, | |
767 | { | |
768 | .virtual = DA8XX_CP_INTC_VIRT, | |
769 | .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE), | |
770 | .length = DA8XX_CP_INTC_SIZE, | |
771 | .type = MT_DEVICE | |
772 | }, | |
773 | }; | |
774 | ||
775 | static void __iomem *da850_psc_bases[] = { | |
776 | IO_ADDRESS(DA8XX_PSC0_BASE), | |
777 | IO_ADDRESS(DA8XX_PSC1_BASE), | |
778 | }; | |
779 | ||
780 | /* Contents of JTAG ID register used to identify exact cpu type */ | |
781 | static struct davinci_id da850_ids[] = { | |
782 | { | |
783 | .variant = 0x0, | |
784 | .part_no = 0xb7d1, | |
785 | .manufacturer = 0x017, /* 0x02f >> 1 */ | |
786 | .cpu_id = DAVINCI_CPU_ID_DA850, | |
787 | .name = "da850/omap-l138", | |
788 | }, | |
789 | }; | |
790 | ||
791 | static struct davinci_timer_instance da850_timer_instance[4] = { | |
792 | { | |
793 | .base = IO_ADDRESS(DA8XX_TIMER64P0_BASE), | |
794 | .bottom_irq = IRQ_DA8XX_TINT12_0, | |
795 | .top_irq = IRQ_DA8XX_TINT34_0, | |
796 | }, | |
797 | { | |
798 | .base = IO_ADDRESS(DA8XX_TIMER64P1_BASE), | |
799 | .bottom_irq = IRQ_DA8XX_TINT12_1, | |
800 | .top_irq = IRQ_DA8XX_TINT34_1, | |
801 | }, | |
802 | { | |
803 | .base = IO_ADDRESS(DA850_TIMER64P2_BASE), | |
804 | .bottom_irq = IRQ_DA850_TINT12_2, | |
805 | .top_irq = IRQ_DA850_TINT34_2, | |
806 | }, | |
807 | { | |
808 | .base = IO_ADDRESS(DA850_TIMER64P3_BASE), | |
809 | .bottom_irq = IRQ_DA850_TINT12_3, | |
810 | .top_irq = IRQ_DA850_TINT34_3, | |
811 | }, | |
812 | }; | |
813 | ||
814 | /* | |
815 | * T0_BOT: Timer 0, bottom : Used for clock_event | |
816 | * T0_TOP: Timer 0, top : Used for clocksource | |
817 | * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer | |
818 | */ | |
819 | static struct davinci_timer_info da850_timer_info = { | |
820 | .timers = da850_timer_instance, | |
821 | .clockevent_id = T0_BOT, | |
822 | .clocksource_id = T0_TOP, | |
823 | }; | |
824 | ||
5d36a332 SN |
825 | static void da850_set_async3_src(int pllnum) |
826 | { | |
827 | struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2; | |
828 | struct davinci_clk *c; | |
829 | unsigned int v; | |
830 | int ret; | |
831 | ||
832 | for (c = da850_clks; c->lk.clk; c++) { | |
833 | clk = c->lk.clk; | |
834 | if (clk->flags & DA850_CLK_ASYNC3) { | |
835 | ret = clk_set_parent(clk, newparent); | |
836 | WARN(ret, "DA850: unable to re-parent clock %s", | |
837 | clk->name); | |
838 | } | |
839 | } | |
840 | ||
d2de0582 | 841 | v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); |
5d36a332 SN |
842 | if (pllnum) |
843 | v |= CFGCHIP3_ASYNC3_CLKSRC; | |
844 | else | |
845 | v &= ~CFGCHIP3_ASYNC3_CLKSRC; | |
d2de0582 | 846 | __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG)); |
5d36a332 SN |
847 | } |
848 | ||
683b1e1f SN |
849 | #ifdef CONFIG_CPU_FREQ |
850 | /* | |
851 | * Notes: | |
852 | * According to the TRM, minimum PLLM results in maximum power savings. | |
853 | * The OPP definitions below should keep the PLLM as low as possible. | |
854 | * | |
855 | * The output of the PLLM must be between 400 to 600 MHz. | |
856 | * This rules out prediv of anything but divide-by-one for 24Mhz OSC input. | |
857 | */ | |
858 | struct da850_opp { | |
859 | unsigned int freq; /* in KHz */ | |
860 | unsigned int prediv; | |
861 | unsigned int mult; | |
862 | unsigned int postdiv; | |
35f9acd8 SN |
863 | unsigned int cvdd_min; /* in uV */ |
864 | unsigned int cvdd_max; /* in uV */ | |
683b1e1f SN |
865 | }; |
866 | ||
867 | static const struct da850_opp da850_opp_300 = { | |
868 | .freq = 300000, | |
869 | .prediv = 1, | |
870 | .mult = 25, | |
871 | .postdiv = 2, | |
35f9acd8 SN |
872 | .cvdd_min = 1140000, |
873 | .cvdd_max = 1320000, | |
683b1e1f SN |
874 | }; |
875 | ||
876 | static const struct da850_opp da850_opp_200 = { | |
877 | .freq = 200000, | |
878 | .prediv = 1, | |
879 | .mult = 25, | |
880 | .postdiv = 3, | |
35f9acd8 SN |
881 | .cvdd_min = 1050000, |
882 | .cvdd_max = 1160000, | |
683b1e1f SN |
883 | }; |
884 | ||
885 | static const struct da850_opp da850_opp_96 = { | |
886 | .freq = 96000, | |
887 | .prediv = 1, | |
888 | .mult = 20, | |
889 | .postdiv = 5, | |
35f9acd8 SN |
890 | .cvdd_min = 950000, |
891 | .cvdd_max = 1050000, | |
683b1e1f SN |
892 | }; |
893 | ||
894 | #define OPP(freq) \ | |
895 | { \ | |
896 | .index = (unsigned int) &da850_opp_##freq, \ | |
897 | .frequency = freq * 1000, \ | |
898 | } | |
899 | ||
900 | static struct cpufreq_frequency_table da850_freq_table[] = { | |
901 | OPP(300), | |
902 | OPP(200), | |
903 | OPP(96), | |
904 | { | |
905 | .index = 0, | |
906 | .frequency = CPUFREQ_TABLE_END, | |
907 | }, | |
908 | }; | |
909 | ||
13d5e27a SN |
910 | #ifdef CONFIG_REGULATOR |
911 | static struct regulator *cvdd; | |
912 | ||
913 | static int da850_set_voltage(unsigned int index) | |
914 | { | |
915 | struct da850_opp *opp; | |
916 | ||
917 | if (!cvdd) | |
918 | return -ENODEV; | |
919 | ||
920 | opp = (struct da850_opp *) da850_freq_table[index].index; | |
921 | ||
922 | return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max); | |
923 | } | |
924 | ||
925 | static int da850_regulator_init(void) | |
926 | { | |
927 | cvdd = regulator_get(NULL, "cvdd"); | |
928 | if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;" | |
929 | " voltage scaling unsupported\n")) { | |
930 | return PTR_ERR(cvdd); | |
931 | } | |
932 | ||
933 | return 0; | |
934 | } | |
935 | #endif | |
936 | ||
683b1e1f SN |
937 | static struct davinci_cpufreq_config cpufreq_info = { |
938 | .freq_table = &da850_freq_table[0], | |
13d5e27a SN |
939 | #ifdef CONFIG_REGULATOR |
940 | .init = da850_regulator_init, | |
941 | .set_voltage = da850_set_voltage, | |
942 | #endif | |
683b1e1f SN |
943 | }; |
944 | ||
945 | static struct platform_device da850_cpufreq_device = { | |
946 | .name = "cpufreq-davinci", | |
947 | .dev = { | |
948 | .platform_data = &cpufreq_info, | |
949 | }, | |
950 | }; | |
951 | ||
952 | int __init da850_register_cpufreq(void) | |
953 | { | |
954 | return platform_device_register(&da850_cpufreq_device); | |
955 | } | |
956 | ||
957 | static int da850_round_armrate(struct clk *clk, unsigned long rate) | |
958 | { | |
959 | int i, ret = 0, diff; | |
960 | unsigned int best = (unsigned int) -1; | |
961 | ||
962 | rate /= 1000; /* convert to kHz */ | |
963 | ||
964 | for (i = 0; da850_freq_table[i].frequency != CPUFREQ_TABLE_END; i++) { | |
965 | diff = da850_freq_table[i].frequency - rate; | |
966 | if (diff < 0) | |
967 | diff = -diff; | |
968 | ||
969 | if (diff < best) { | |
970 | best = diff; | |
971 | ret = da850_freq_table[i].frequency; | |
972 | } | |
973 | } | |
974 | ||
975 | return ret * 1000; | |
976 | } | |
977 | ||
978 | static int da850_set_armrate(struct clk *clk, unsigned long index) | |
979 | { | |
980 | struct clk *pllclk = &pll0_clk; | |
981 | ||
982 | return clk_set_rate(pllclk, index); | |
983 | } | |
984 | ||
985 | static int da850_set_pll0rate(struct clk *clk, unsigned long index) | |
986 | { | |
987 | unsigned int prediv, mult, postdiv; | |
988 | struct da850_opp *opp; | |
989 | struct pll_data *pll = clk->pll_data; | |
990 | unsigned int v; | |
991 | int ret; | |
992 | ||
993 | opp = (struct da850_opp *) da850_freq_table[index].index; | |
994 | prediv = opp->prediv; | |
995 | mult = opp->mult; | |
996 | postdiv = opp->postdiv; | |
997 | ||
998 | /* Unlock writing to PLL registers */ | |
d2de0582 | 999 | v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); |
683b1e1f | 1000 | v &= ~CFGCHIP0_PLL_MASTER_LOCK; |
d2de0582 | 1001 | __raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG)); |
683b1e1f SN |
1002 | |
1003 | ret = davinci_set_pllrate(pll, prediv, mult, postdiv); | |
1004 | if (WARN_ON(ret)) | |
1005 | return ret; | |
1006 | ||
1007 | return 0; | |
1008 | } | |
1009 | #else | |
1010 | int __init da850_register_cpufreq(void) | |
1011 | { | |
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static int da850_set_armrate(struct clk *clk, unsigned long rate) | |
1016 | { | |
1017 | return -EINVAL; | |
1018 | } | |
1019 | ||
1020 | static int da850_set_pll0rate(struct clk *clk, unsigned long armrate) | |
1021 | { | |
1022 | return -EINVAL; | |
1023 | } | |
1024 | ||
1025 | static int da850_round_armrate(struct clk *clk, unsigned long rate) | |
1026 | { | |
1027 | return clk->rate; | |
1028 | } | |
1029 | #endif | |
1030 | ||
35f9acd8 | 1031 | |
e1a8d7e2 SR |
1032 | static struct davinci_soc_info davinci_soc_info_da850 = { |
1033 | .io_desc = da850_io_desc, | |
1034 | .io_desc_num = ARRAY_SIZE(da850_io_desc), | |
e1a8d7e2 SR |
1035 | .ids = da850_ids, |
1036 | .ids_num = ARRAY_SIZE(da850_ids), | |
1037 | .cpu_clks = da850_clks, | |
1038 | .psc_bases = da850_psc_bases, | |
1039 | .psc_bases_num = ARRAY_SIZE(da850_psc_bases), | |
e1a8d7e2 SR |
1040 | .pinmux_pins = da850_pins, |
1041 | .pinmux_pins_num = ARRAY_SIZE(da850_pins), | |
1042 | .intc_base = (void __iomem *)DA8XX_CP_INTC_VIRT, | |
1043 | .intc_type = DAVINCI_INTC_TYPE_CP_INTC, | |
1044 | .intc_irq_prios = da850_default_priorities, | |
1045 | .intc_irq_num = DA850_N_CP_INTC_IRQ, | |
1046 | .timer_info = &da850_timer_info, | |
1047 | .gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE), | |
5a8d5441 | 1048 | .gpio_num = 144, |
e1a8d7e2 SR |
1049 | .gpio_irq = IRQ_DA8XX_GPIO0, |
1050 | .serial_dev = &da8xx_serial_device, | |
1051 | .emac_pdata = &da8xx_emac_pdata, | |
1052 | }; | |
1053 | ||
1054 | void __init da850_init(void) | |
1055 | { | |
d2de0582 SN |
1056 | da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K); |
1057 | if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module")) | |
1058 | return; | |
1059 | ||
1060 | da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K); | |
1061 | if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module")) | |
6a28adef SN |
1062 | return; |
1063 | ||
cd874448 | 1064 | davinci_soc_info_da850.jtag_id_base = |
d2de0582 SN |
1065 | DA8XX_SYSCFG0_VIRT(DA8XX_JTAG_ID_REG); |
1066 | davinci_soc_info_da850.pinmux_base = DA8XX_SYSCFG0_VIRT(0x120); | |
6a28adef | 1067 | |
e1a8d7e2 | 1068 | davinci_common_init(&davinci_soc_info_da850); |
5d36a332 SN |
1069 | |
1070 | /* | |
1071 | * Move the clock source of Async3 domain to PLL1 SYSCLK2. | |
1072 | * This helps keeping the peripherals on this domain insulated | |
1073 | * from CPU frequency changes caused by DVFS. The firmware sets | |
1074 | * both PLL0 and PLL1 to the same frequency so, there should not | |
1075 | * be any noticible change even in non-DVFS use cases. | |
1076 | */ | |
1077 | da850_set_async3_src(1); | |
e1a8d7e2 | 1078 | } |