bc4e814e |
1 | /* |
2 | * arch/arm/mach-spear3xx/spear320.c |
3 | * |
4 | * SPEAr320 machine source file |
5 | * |
6 | * Copyright (C) 2009 ST Microelectronics |
7 | * Viresh Kumar<viresh.kumar@st.com> |
8 | * |
9 | * This file is licensed under the terms of the GNU General Public |
10 | * License version 2. This program is licensed "as is" without any |
11 | * warranty of any kind, whether express or implied. |
12 | */ |
13 | |
14 | #include <linux/ptrace.h> |
15 | #include <asm/irq.h> |
16 | #include <mach/generic.h> |
17 | #include <mach/spear.h> |
4c18e77f |
18 | #include <plat/shirq.h> |
bc4e814e |
19 | |
70f4c0bf |
20 | /* pad multiplexing support */ |
21 | /* muxing registers */ |
22 | #define PAD_MUX_CONFIG_REG 0x0C |
23 | #define MODE_CONFIG_REG 0x10 |
24 | |
25 | /* modes */ |
26 | #define AUTO_NET_SMII_MODE (1 << 0) |
27 | #define AUTO_NET_MII_MODE (1 << 1) |
28 | #define AUTO_EXP_MODE (1 << 2) |
29 | #define SMALL_PRINTERS_MODE (1 << 3) |
30 | #define ALL_MODES 0xF |
31 | |
32 | struct pmx_mode auto_net_smii_mode = { |
33 | .id = AUTO_NET_SMII_MODE, |
34 | .name = "Automation Networking SMII Mode", |
35 | .mask = 0x00, |
36 | }; |
37 | |
38 | struct pmx_mode auto_net_mii_mode = { |
39 | .id = AUTO_NET_MII_MODE, |
40 | .name = "Automation Networking MII Mode", |
41 | .mask = 0x01, |
42 | }; |
43 | |
44 | struct pmx_mode auto_exp_mode = { |
45 | .id = AUTO_EXP_MODE, |
46 | .name = "Automation Expanded Mode", |
47 | .mask = 0x02, |
48 | }; |
49 | |
50 | struct pmx_mode small_printers_mode = { |
51 | .id = SMALL_PRINTERS_MODE, |
52 | .name = "Small Printers Mode", |
53 | .mask = 0x03, |
54 | }; |
55 | |
56 | /* devices */ |
57 | struct pmx_dev_mode pmx_clcd_modes[] = { |
58 | { |
59 | .ids = AUTO_NET_SMII_MODE, |
60 | .mask = 0x0, |
61 | }, |
62 | }; |
63 | |
64 | struct pmx_dev pmx_clcd = { |
65 | .name = "clcd", |
66 | .modes = pmx_clcd_modes, |
67 | .mode_count = ARRAY_SIZE(pmx_clcd_modes), |
68 | .enb_on_reset = 1, |
69 | }; |
70 | |
71 | struct pmx_dev_mode pmx_emi_modes[] = { |
72 | { |
73 | .ids = AUTO_EXP_MODE, |
74 | .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK, |
75 | }, |
76 | }; |
77 | |
78 | struct pmx_dev pmx_emi = { |
79 | .name = "emi", |
80 | .modes = pmx_emi_modes, |
81 | .mode_count = ARRAY_SIZE(pmx_emi_modes), |
82 | .enb_on_reset = 1, |
83 | }; |
84 | |
85 | struct pmx_dev_mode pmx_fsmc_modes[] = { |
86 | { |
87 | .ids = ALL_MODES, |
88 | .mask = 0x0, |
89 | }, |
90 | }; |
91 | |
92 | struct pmx_dev pmx_fsmc = { |
93 | .name = "fsmc", |
94 | .modes = pmx_fsmc_modes, |
95 | .mode_count = ARRAY_SIZE(pmx_fsmc_modes), |
96 | .enb_on_reset = 1, |
97 | }; |
98 | |
99 | struct pmx_dev_mode pmx_spp_modes[] = { |
100 | { |
101 | .ids = SMALL_PRINTERS_MODE, |
102 | .mask = 0x0, |
103 | }, |
104 | }; |
105 | |
106 | struct pmx_dev pmx_spp = { |
107 | .name = "spp", |
108 | .modes = pmx_spp_modes, |
109 | .mode_count = ARRAY_SIZE(pmx_spp_modes), |
110 | .enb_on_reset = 1, |
111 | }; |
112 | |
113 | struct pmx_dev_mode pmx_sdio_modes[] = { |
114 | { |
115 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | |
116 | SMALL_PRINTERS_MODE, |
117 | .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK, |
118 | }, |
119 | }; |
120 | |
121 | struct pmx_dev pmx_sdio = { |
122 | .name = "sdio", |
123 | .modes = pmx_sdio_modes, |
124 | .mode_count = ARRAY_SIZE(pmx_sdio_modes), |
125 | .enb_on_reset = 1, |
126 | }; |
127 | |
128 | struct pmx_dev_mode pmx_i2s_modes[] = { |
129 | { |
130 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, |
131 | .mask = PMX_UART0_MODEM_MASK, |
132 | }, |
133 | }; |
134 | |
135 | struct pmx_dev pmx_i2s = { |
136 | .name = "i2s", |
137 | .modes = pmx_i2s_modes, |
138 | .mode_count = ARRAY_SIZE(pmx_i2s_modes), |
139 | .enb_on_reset = 1, |
140 | }; |
141 | |
142 | struct pmx_dev_mode pmx_uart1_modes[] = { |
143 | { |
144 | .ids = ALL_MODES, |
145 | .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK, |
146 | }, |
147 | }; |
148 | |
149 | struct pmx_dev pmx_uart1 = { |
150 | .name = "uart1", |
151 | .modes = pmx_uart1_modes, |
152 | .mode_count = ARRAY_SIZE(pmx_uart1_modes), |
153 | .enb_on_reset = 1, |
154 | }; |
155 | |
156 | struct pmx_dev_mode pmx_uart1_modem_modes[] = { |
157 | { |
158 | .ids = AUTO_EXP_MODE, |
159 | .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | |
160 | PMX_SSP_CS_MASK, |
161 | }, { |
162 | .ids = SMALL_PRINTERS_MODE, |
163 | .mask = PMX_GPIO_PIN3_MASK | PMX_GPIO_PIN4_MASK | |
164 | PMX_GPIO_PIN5_MASK | PMX_SSP_CS_MASK, |
165 | }, |
166 | }; |
167 | |
168 | struct pmx_dev pmx_uart1_modem = { |
169 | .name = "uart1_modem", |
170 | .modes = pmx_uart1_modem_modes, |
171 | .mode_count = ARRAY_SIZE(pmx_uart1_modem_modes), |
172 | .enb_on_reset = 1, |
173 | }; |
174 | |
175 | struct pmx_dev_mode pmx_uart2_modes[] = { |
176 | { |
177 | .ids = ALL_MODES, |
178 | .mask = PMX_FIRDA_MASK, |
179 | }, |
180 | }; |
181 | |
182 | struct pmx_dev pmx_uart2 = { |
183 | .name = "uart2", |
184 | .modes = pmx_uart2_modes, |
185 | .mode_count = ARRAY_SIZE(pmx_uart2_modes), |
186 | .enb_on_reset = 1, |
187 | }; |
188 | |
189 | struct pmx_dev_mode pmx_touchscreen_modes[] = { |
190 | { |
191 | .ids = AUTO_NET_SMII_MODE, |
192 | .mask = PMX_SSP_CS_MASK, |
193 | }, |
194 | }; |
195 | |
196 | struct pmx_dev pmx_touchscreen = { |
197 | .name = "touchscreen", |
198 | .modes = pmx_touchscreen_modes, |
199 | .mode_count = ARRAY_SIZE(pmx_touchscreen_modes), |
200 | .enb_on_reset = 1, |
201 | }; |
202 | |
203 | struct pmx_dev_mode pmx_can_modes[] = { |
204 | { |
205 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE | AUTO_EXP_MODE, |
206 | .mask = PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | |
207 | PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK, |
208 | }, |
209 | }; |
210 | |
211 | struct pmx_dev pmx_can = { |
212 | .name = "can", |
213 | .modes = pmx_can_modes, |
214 | .mode_count = ARRAY_SIZE(pmx_can_modes), |
215 | .enb_on_reset = 1, |
216 | }; |
217 | |
218 | struct pmx_dev_mode pmx_sdio_led_modes[] = { |
219 | { |
220 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, |
221 | .mask = PMX_SSP_CS_MASK, |
222 | }, |
223 | }; |
224 | |
225 | struct pmx_dev pmx_sdio_led = { |
226 | .name = "sdio_led", |
227 | .modes = pmx_sdio_led_modes, |
228 | .mode_count = ARRAY_SIZE(pmx_sdio_led_modes), |
229 | .enb_on_reset = 1, |
230 | }; |
231 | |
232 | struct pmx_dev_mode pmx_pwm0_modes[] = { |
233 | { |
234 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, |
235 | .mask = PMX_UART0_MODEM_MASK, |
236 | }, { |
237 | .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE, |
238 | .mask = PMX_MII_MASK, |
239 | }, |
240 | }; |
241 | |
242 | struct pmx_dev pmx_pwm0 = { |
243 | .name = "pwm0", |
244 | .modes = pmx_pwm0_modes, |
245 | .mode_count = ARRAY_SIZE(pmx_pwm0_modes), |
246 | .enb_on_reset = 1, |
247 | }; |
248 | |
249 | struct pmx_dev_mode pmx_pwm1_modes[] = { |
250 | { |
251 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, |
252 | .mask = PMX_UART0_MODEM_MASK, |
253 | }, { |
254 | .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE, |
255 | .mask = PMX_MII_MASK, |
256 | }, |
257 | }; |
258 | |
259 | struct pmx_dev pmx_pwm1 = { |
260 | .name = "pwm1", |
261 | .modes = pmx_pwm1_modes, |
262 | .mode_count = ARRAY_SIZE(pmx_pwm1_modes), |
263 | .enb_on_reset = 1, |
264 | }; |
265 | |
266 | struct pmx_dev_mode pmx_pwm2_modes[] = { |
267 | { |
268 | .ids = AUTO_NET_SMII_MODE | AUTO_NET_MII_MODE, |
269 | .mask = PMX_SSP_CS_MASK, |
270 | }, { |
271 | .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE, |
272 | .mask = PMX_MII_MASK, |
273 | }, |
274 | }; |
275 | |
276 | struct pmx_dev pmx_pwm2 = { |
277 | .name = "pwm2", |
278 | .modes = pmx_pwm2_modes, |
279 | .mode_count = ARRAY_SIZE(pmx_pwm2_modes), |
280 | .enb_on_reset = 1, |
281 | }; |
282 | |
283 | struct pmx_dev_mode pmx_pwm3_modes[] = { |
284 | { |
285 | .ids = AUTO_EXP_MODE | SMALL_PRINTERS_MODE | AUTO_NET_SMII_MODE, |
286 | .mask = PMX_MII_MASK, |
287 | }, |
288 | }; |
289 | |
290 | struct pmx_dev pmx_pwm3 = { |
291 | .name = "pwm3", |
292 | .modes = pmx_pwm3_modes, |
293 | .mode_count = ARRAY_SIZE(pmx_pwm3_modes), |
294 | .enb_on_reset = 1, |
295 | }; |
296 | |
297 | struct pmx_dev_mode pmx_ssp1_modes[] = { |
298 | { |
299 | .ids = SMALL_PRINTERS_MODE | AUTO_NET_SMII_MODE, |
300 | .mask = PMX_MII_MASK, |
301 | }, |
302 | }; |
303 | |
304 | struct pmx_dev pmx_ssp1 = { |
305 | .name = "ssp1", |
306 | .modes = pmx_ssp1_modes, |
307 | .mode_count = ARRAY_SIZE(pmx_ssp1_modes), |
308 | .enb_on_reset = 1, |
309 | }; |
310 | |
311 | struct pmx_dev_mode pmx_ssp2_modes[] = { |
312 | { |
313 | .ids = AUTO_NET_SMII_MODE, |
314 | .mask = PMX_MII_MASK, |
315 | }, |
316 | }; |
317 | |
318 | struct pmx_dev pmx_ssp2 = { |
319 | .name = "ssp2", |
320 | .modes = pmx_ssp2_modes, |
321 | .mode_count = ARRAY_SIZE(pmx_ssp2_modes), |
322 | .enb_on_reset = 1, |
323 | }; |
324 | |
325 | struct pmx_dev_mode pmx_mii1_modes[] = { |
326 | { |
327 | .ids = AUTO_NET_MII_MODE, |
328 | .mask = 0x0, |
329 | }, |
330 | }; |
331 | |
332 | struct pmx_dev pmx_mii1 = { |
333 | .name = "mii1", |
334 | .modes = pmx_mii1_modes, |
335 | .mode_count = ARRAY_SIZE(pmx_mii1_modes), |
336 | .enb_on_reset = 1, |
337 | }; |
338 | |
339 | struct pmx_dev_mode pmx_smii0_modes[] = { |
340 | { |
341 | .ids = AUTO_NET_SMII_MODE | AUTO_EXP_MODE | SMALL_PRINTERS_MODE, |
342 | .mask = PMX_MII_MASK, |
343 | }, |
344 | }; |
345 | |
346 | struct pmx_dev pmx_smii0 = { |
347 | .name = "smii0", |
348 | .modes = pmx_smii0_modes, |
349 | .mode_count = ARRAY_SIZE(pmx_smii0_modes), |
350 | .enb_on_reset = 1, |
351 | }; |
352 | |
353 | struct pmx_dev_mode pmx_smii1_modes[] = { |
354 | { |
355 | .ids = AUTO_NET_SMII_MODE | SMALL_PRINTERS_MODE, |
356 | .mask = PMX_MII_MASK, |
357 | }, |
358 | }; |
359 | |
360 | struct pmx_dev pmx_smii1 = { |
361 | .name = "smii1", |
362 | .modes = pmx_smii1_modes, |
363 | .mode_count = ARRAY_SIZE(pmx_smii1_modes), |
364 | .enb_on_reset = 1, |
365 | }; |
366 | |
367 | struct pmx_dev_mode pmx_i2c1_modes[] = { |
368 | { |
369 | .ids = AUTO_EXP_MODE, |
370 | .mask = 0x0, |
371 | }, |
372 | }; |
373 | |
374 | struct pmx_dev pmx_i2c1 = { |
375 | .name = "i2c1", |
376 | .modes = pmx_i2c1_modes, |
377 | .mode_count = ARRAY_SIZE(pmx_i2c1_modes), |
378 | .enb_on_reset = 1, |
379 | }; |
380 | |
381 | /* pmx driver structure */ |
382 | struct pmx_driver pmx_driver = { |
383 | .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x00000007}, |
384 | .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, |
385 | }; |
386 | |
bc4e814e |
387 | /* Add spear320 specific devices here */ |
388 | |
4c18e77f |
389 | /* spear3xx shared irq */ |
390 | struct shirq_dev_config shirq_ras1_config[] = { |
391 | { |
392 | .virq = VIRQ_EMI, |
393 | .status_mask = EMI_IRQ_MASK, |
394 | .clear_mask = EMI_IRQ_MASK, |
395 | }, { |
396 | .virq = VIRQ_CLCD, |
397 | .status_mask = CLCD_IRQ_MASK, |
398 | .clear_mask = CLCD_IRQ_MASK, |
399 | }, { |
400 | .virq = VIRQ_SPP, |
401 | .status_mask = SPP_IRQ_MASK, |
402 | .clear_mask = SPP_IRQ_MASK, |
403 | }, |
404 | }; |
405 | |
406 | struct spear_shirq shirq_ras1 = { |
407 | .irq = IRQ_GEN_RAS_1, |
408 | .dev_config = shirq_ras1_config, |
409 | .dev_count = ARRAY_SIZE(shirq_ras1_config), |
410 | .regs = { |
411 | .enb_reg = -1, |
412 | .status_reg = INT_STS_MASK_REG, |
413 | .status_reg_mask = SHIRQ_RAS1_MASK, |
414 | .clear_reg = INT_CLR_MASK_REG, |
415 | .reset_to_clear = 1, |
416 | }, |
417 | }; |
418 | |
419 | struct shirq_dev_config shirq_ras3_config[] = { |
420 | { |
421 | .virq = VIRQ_PLGPIO, |
422 | .enb_mask = GPIO_IRQ_MASK, |
423 | .status_mask = GPIO_IRQ_MASK, |
424 | .clear_mask = GPIO_IRQ_MASK, |
425 | }, { |
426 | .virq = VIRQ_I2S_PLAY, |
427 | .enb_mask = I2S_PLAY_IRQ_MASK, |
428 | .status_mask = I2S_PLAY_IRQ_MASK, |
429 | .clear_mask = I2S_PLAY_IRQ_MASK, |
430 | }, { |
431 | .virq = VIRQ_I2S_REC, |
432 | .enb_mask = I2S_REC_IRQ_MASK, |
433 | .status_mask = I2S_REC_IRQ_MASK, |
434 | .clear_mask = I2S_REC_IRQ_MASK, |
435 | }, |
436 | }; |
437 | |
438 | struct spear_shirq shirq_ras3 = { |
439 | .irq = IRQ_GEN_RAS_3, |
440 | .dev_config = shirq_ras3_config, |
441 | .dev_count = ARRAY_SIZE(shirq_ras3_config), |
442 | .regs = { |
443 | .enb_reg = INT_ENB_MASK_REG, |
444 | .reset_to_enb = 1, |
445 | .status_reg = INT_STS_MASK_REG, |
446 | .status_reg_mask = SHIRQ_RAS3_MASK, |
447 | .clear_reg = INT_CLR_MASK_REG, |
448 | .reset_to_clear = 1, |
449 | }, |
450 | }; |
451 | |
452 | struct shirq_dev_config shirq_intrcomm_ras_config[] = { |
453 | { |
454 | .virq = VIRQ_CANU, |
455 | .status_mask = CAN_U_IRQ_MASK, |
456 | .clear_mask = CAN_U_IRQ_MASK, |
457 | }, { |
458 | .virq = VIRQ_CANL, |
459 | .status_mask = CAN_L_IRQ_MASK, |
460 | .clear_mask = CAN_L_IRQ_MASK, |
461 | }, { |
462 | .virq = VIRQ_UART1, |
463 | .status_mask = UART1_IRQ_MASK, |
464 | .clear_mask = UART1_IRQ_MASK, |
465 | }, { |
466 | .virq = VIRQ_UART2, |
467 | .status_mask = UART2_IRQ_MASK, |
468 | .clear_mask = UART2_IRQ_MASK, |
469 | }, { |
470 | .virq = VIRQ_SSP1, |
471 | .status_mask = SSP1_IRQ_MASK, |
472 | .clear_mask = SSP1_IRQ_MASK, |
473 | }, { |
474 | .virq = VIRQ_SSP2, |
475 | .status_mask = SSP2_IRQ_MASK, |
476 | .clear_mask = SSP2_IRQ_MASK, |
477 | }, { |
478 | .virq = VIRQ_SMII0, |
479 | .status_mask = SMII0_IRQ_MASK, |
480 | .clear_mask = SMII0_IRQ_MASK, |
481 | }, { |
482 | .virq = VIRQ_MII1_SMII1, |
483 | .status_mask = MII1_SMII1_IRQ_MASK, |
484 | .clear_mask = MII1_SMII1_IRQ_MASK, |
485 | }, { |
486 | .virq = VIRQ_WAKEUP_SMII0, |
487 | .status_mask = WAKEUP_SMII0_IRQ_MASK, |
488 | .clear_mask = WAKEUP_SMII0_IRQ_MASK, |
489 | }, { |
490 | .virq = VIRQ_WAKEUP_MII1_SMII1, |
491 | .status_mask = WAKEUP_MII1_SMII1_IRQ_MASK, |
492 | .clear_mask = WAKEUP_MII1_SMII1_IRQ_MASK, |
493 | }, { |
494 | .virq = VIRQ_I2C, |
495 | .status_mask = I2C1_IRQ_MASK, |
496 | .clear_mask = I2C1_IRQ_MASK, |
497 | }, |
498 | }; |
499 | |
500 | struct spear_shirq shirq_intrcomm_ras = { |
501 | .irq = IRQ_INTRCOMM_RAS_ARM, |
502 | .dev_config = shirq_intrcomm_ras_config, |
503 | .dev_count = ARRAY_SIZE(shirq_intrcomm_ras_config), |
504 | .regs = { |
505 | .enb_reg = -1, |
506 | .status_reg = INT_STS_MASK_REG, |
507 | .status_reg_mask = SHIRQ_INTRCOMM_RAS_MASK, |
508 | .clear_reg = INT_CLR_MASK_REG, |
509 | .reset_to_clear = 1, |
510 | }, |
511 | }; |
512 | |
70f4c0bf |
513 | /* spear320 routines */ |
bc4e814e |
514 | void __init spear320_init(void) |
515 | { |
4c18e77f |
516 | void __iomem *base; |
517 | int ret = 0; |
518 | |
bc4e814e |
519 | /* call spear3xx family common init function */ |
520 | spear3xx_init(); |
4c18e77f |
521 | |
b595076a |
522 | /* shared irq registration */ |
4c18e77f |
523 | base = ioremap(SPEAR320_SOC_CONFIG_BASE, SPEAR320_SOC_CONFIG_SIZE); |
524 | if (base) { |
525 | /* shirq 1 */ |
526 | shirq_ras1.regs.base = base; |
527 | ret = spear_shirq_register(&shirq_ras1); |
528 | if (ret) |
529 | printk(KERN_ERR "Error registering Shared IRQ 1\n"); |
530 | |
531 | /* shirq 3 */ |
532 | shirq_ras3.regs.base = base; |
533 | ret = spear_shirq_register(&shirq_ras3); |
534 | if (ret) |
535 | printk(KERN_ERR "Error registering Shared IRQ 3\n"); |
536 | |
537 | /* shirq 4 */ |
538 | shirq_intrcomm_ras.regs.base = base; |
539 | ret = spear_shirq_register(&shirq_intrcomm_ras); |
540 | if (ret) |
541 | printk(KERN_ERR "Error registering Shared IRQ 4\n"); |
542 | } |
bc4e814e |
543 | } |
70f4c0bf |
544 | |
545 | void spear320_pmx_init(void) |
546 | { |
547 | spear_pmx_init(&pmx_driver, SPEAR320_SOC_CONFIG_BASE, |
548 | SPEAR320_SOC_CONFIG_SIZE); |
549 | } |