ARM: OMAP: use consistent error checking
[deliverable/linux.git] / arch / arm / mach-omap2 / io.c
1 /*
2 * linux/arch/arm/mach-omap2/io.c
3 *
4 * OMAP2 I/O mapping code
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 * Copyright (C) 2007-2009 Texas Instruments
8 *
9 * Author:
10 * Juha Yrjola <juha.yrjola@nokia.com>
11 * Syed Khasim <x0khasim@ti.com>
12 *
13 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
19 #include <linux/module.h>
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/io.h>
23 #include <linux/clk.h>
24
25 #include <asm/tlb.h>
26 #include <asm/mach/map.h>
27
28 #include <linux/omap-dma.h>
29
30 #include "omap_hwmod.h"
31 #include "soc.h"
32 #include "iomap.h"
33 #include "voltage.h"
34 #include "powerdomain.h"
35 #include "clockdomain.h"
36 #include "common.h"
37 #include "clock.h"
38 #include "clock2xxx.h"
39 #include "clock3xxx.h"
40 #include "clock44xx.h"
41 #include "omap-pm.h"
42 #include "sdrc.h"
43 #include "control.h"
44 #include "serial.h"
45 #include "sram.h"
46 #include "cm2xxx.h"
47 #include "cm3xxx.h"
48 #include "prm.h"
49 #include "cm.h"
50 #include "prcm_mpu44xx.h"
51 #include "prminst44xx.h"
52 #include "cminst44xx.h"
53 #include "prm2xxx.h"
54 #include "prm3xxx.h"
55 #include "prm44xx.h"
56
57 /*
58 * The machine specific code may provide the extra mapping besides the
59 * default mapping provided here.
60 */
61
62 #if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
63 static struct map_desc omap24xx_io_desc[] __initdata = {
64 {
65 .virtual = L3_24XX_VIRT,
66 .pfn = __phys_to_pfn(L3_24XX_PHYS),
67 .length = L3_24XX_SIZE,
68 .type = MT_DEVICE
69 },
70 {
71 .virtual = L4_24XX_VIRT,
72 .pfn = __phys_to_pfn(L4_24XX_PHYS),
73 .length = L4_24XX_SIZE,
74 .type = MT_DEVICE
75 },
76 };
77
78 #ifdef CONFIG_SOC_OMAP2420
79 static struct map_desc omap242x_io_desc[] __initdata = {
80 {
81 .virtual = DSP_MEM_2420_VIRT,
82 .pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
83 .length = DSP_MEM_2420_SIZE,
84 .type = MT_DEVICE
85 },
86 {
87 .virtual = DSP_IPI_2420_VIRT,
88 .pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
89 .length = DSP_IPI_2420_SIZE,
90 .type = MT_DEVICE
91 },
92 {
93 .virtual = DSP_MMU_2420_VIRT,
94 .pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
95 .length = DSP_MMU_2420_SIZE,
96 .type = MT_DEVICE
97 },
98 };
99
100 #endif
101
102 #ifdef CONFIG_SOC_OMAP2430
103 static struct map_desc omap243x_io_desc[] __initdata = {
104 {
105 .virtual = L4_WK_243X_VIRT,
106 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
107 .length = L4_WK_243X_SIZE,
108 .type = MT_DEVICE
109 },
110 {
111 .virtual = OMAP243X_GPMC_VIRT,
112 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
113 .length = OMAP243X_GPMC_SIZE,
114 .type = MT_DEVICE
115 },
116 {
117 .virtual = OMAP243X_SDRC_VIRT,
118 .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
119 .length = OMAP243X_SDRC_SIZE,
120 .type = MT_DEVICE
121 },
122 {
123 .virtual = OMAP243X_SMS_VIRT,
124 .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
125 .length = OMAP243X_SMS_SIZE,
126 .type = MT_DEVICE
127 },
128 };
129 #endif
130 #endif
131
132 #ifdef CONFIG_ARCH_OMAP3
133 static struct map_desc omap34xx_io_desc[] __initdata = {
134 {
135 .virtual = L3_34XX_VIRT,
136 .pfn = __phys_to_pfn(L3_34XX_PHYS),
137 .length = L3_34XX_SIZE,
138 .type = MT_DEVICE
139 },
140 {
141 .virtual = L4_34XX_VIRT,
142 .pfn = __phys_to_pfn(L4_34XX_PHYS),
143 .length = L4_34XX_SIZE,
144 .type = MT_DEVICE
145 },
146 {
147 .virtual = OMAP34XX_GPMC_VIRT,
148 .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
149 .length = OMAP34XX_GPMC_SIZE,
150 .type = MT_DEVICE
151 },
152 {
153 .virtual = OMAP343X_SMS_VIRT,
154 .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
155 .length = OMAP343X_SMS_SIZE,
156 .type = MT_DEVICE
157 },
158 {
159 .virtual = OMAP343X_SDRC_VIRT,
160 .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
161 .length = OMAP343X_SDRC_SIZE,
162 .type = MT_DEVICE
163 },
164 {
165 .virtual = L4_PER_34XX_VIRT,
166 .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
167 .length = L4_PER_34XX_SIZE,
168 .type = MT_DEVICE
169 },
170 {
171 .virtual = L4_EMU_34XX_VIRT,
172 .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
173 .length = L4_EMU_34XX_SIZE,
174 .type = MT_DEVICE
175 },
176 #if defined(CONFIG_DEBUG_LL) && \
177 (defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
178 {
179 .virtual = ZOOM_UART_VIRT,
180 .pfn = __phys_to_pfn(ZOOM_UART_BASE),
181 .length = SZ_1M,
182 .type = MT_DEVICE
183 },
184 #endif
185 };
186 #endif
187
188 #ifdef CONFIG_SOC_TI81XX
189 static struct map_desc omapti81xx_io_desc[] __initdata = {
190 {
191 .virtual = L4_34XX_VIRT,
192 .pfn = __phys_to_pfn(L4_34XX_PHYS),
193 .length = L4_34XX_SIZE,
194 .type = MT_DEVICE
195 }
196 };
197 #endif
198
199 #ifdef CONFIG_SOC_AM33XX
200 static struct map_desc omapam33xx_io_desc[] __initdata = {
201 {
202 .virtual = L4_34XX_VIRT,
203 .pfn = __phys_to_pfn(L4_34XX_PHYS),
204 .length = L4_34XX_SIZE,
205 .type = MT_DEVICE
206 },
207 {
208 .virtual = L4_WK_AM33XX_VIRT,
209 .pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
210 .length = L4_WK_AM33XX_SIZE,
211 .type = MT_DEVICE
212 }
213 };
214 #endif
215
216 #ifdef CONFIG_ARCH_OMAP4
217 static struct map_desc omap44xx_io_desc[] __initdata = {
218 {
219 .virtual = L3_44XX_VIRT,
220 .pfn = __phys_to_pfn(L3_44XX_PHYS),
221 .length = L3_44XX_SIZE,
222 .type = MT_DEVICE,
223 },
224 {
225 .virtual = L4_44XX_VIRT,
226 .pfn = __phys_to_pfn(L4_44XX_PHYS),
227 .length = L4_44XX_SIZE,
228 .type = MT_DEVICE,
229 },
230 {
231 .virtual = L4_PER_44XX_VIRT,
232 .pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
233 .length = L4_PER_44XX_SIZE,
234 .type = MT_DEVICE,
235 },
236 #ifdef CONFIG_OMAP4_ERRATA_I688
237 {
238 .virtual = OMAP4_SRAM_VA,
239 .pfn = __phys_to_pfn(OMAP4_SRAM_PA),
240 .length = PAGE_SIZE,
241 .type = MT_MEMORY_SO,
242 },
243 #endif
244
245 };
246 #endif
247
248 #ifdef CONFIG_SOC_OMAP5
249 static struct map_desc omap54xx_io_desc[] __initdata = {
250 {
251 .virtual = L3_54XX_VIRT,
252 .pfn = __phys_to_pfn(L3_54XX_PHYS),
253 .length = L3_54XX_SIZE,
254 .type = MT_DEVICE,
255 },
256 {
257 .virtual = L4_54XX_VIRT,
258 .pfn = __phys_to_pfn(L4_54XX_PHYS),
259 .length = L4_54XX_SIZE,
260 .type = MT_DEVICE,
261 },
262 {
263 .virtual = L4_WK_54XX_VIRT,
264 .pfn = __phys_to_pfn(L4_WK_54XX_PHYS),
265 .length = L4_WK_54XX_SIZE,
266 .type = MT_DEVICE,
267 },
268 {
269 .virtual = L4_PER_54XX_VIRT,
270 .pfn = __phys_to_pfn(L4_PER_54XX_PHYS),
271 .length = L4_PER_54XX_SIZE,
272 .type = MT_DEVICE,
273 },
274 };
275 #endif
276
277 #ifdef CONFIG_SOC_OMAP2420
278 void __init omap242x_map_io(void)
279 {
280 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
281 iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
282 }
283 #endif
284
285 #ifdef CONFIG_SOC_OMAP2430
286 void __init omap243x_map_io(void)
287 {
288 iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
289 iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
290 }
291 #endif
292
293 #ifdef CONFIG_ARCH_OMAP3
294 void __init omap3_map_io(void)
295 {
296 iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
297 }
298 #endif
299
300 #ifdef CONFIG_SOC_TI81XX
301 void __init ti81xx_map_io(void)
302 {
303 iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
304 }
305 #endif
306
307 #ifdef CONFIG_SOC_AM33XX
308 void __init am33xx_map_io(void)
309 {
310 iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
311 }
312 #endif
313
314 #ifdef CONFIG_ARCH_OMAP4
315 void __init omap4_map_io(void)
316 {
317 iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
318 omap_barriers_init();
319 }
320 #endif
321
322 #ifdef CONFIG_SOC_OMAP5
323 void __init omap5_map_io(void)
324 {
325 iotable_init(omap54xx_io_desc, ARRAY_SIZE(omap54xx_io_desc));
326 }
327 #endif
328 /*
329 * omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
330 *
331 * Sets the CORE DPLL3 M2 divider to the same value that it's at
332 * currently. This has the effect of setting the SDRC SDRAM AC timing
333 * registers to the values currently defined by the kernel. Currently
334 * only defined for OMAP3; will return 0 if called on OMAP2. Returns
335 * -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
336 * or passes along the return value of clk_set_rate().
337 */
338 static int __init _omap2_init_reprogram_sdrc(void)
339 {
340 struct clk *dpll3_m2_ck;
341 int v = -EINVAL;
342 long rate;
343
344 if (!cpu_is_omap34xx())
345 return 0;
346
347 dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
348 if (IS_ERR(dpll3_m2_ck))
349 return -EINVAL;
350
351 rate = clk_get_rate(dpll3_m2_ck);
352 pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
353 v = clk_set_rate(dpll3_m2_ck, rate);
354 if (v)
355 pr_err("dpll3_m2_clk rate change failed: %d\n", v);
356
357 clk_put(dpll3_m2_ck);
358
359 return v;
360 }
361
362 static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
363 {
364 return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
365 }
366
367 static void __init omap_hwmod_init_postsetup(void)
368 {
369 u8 postsetup_state;
370
371 /* Set the default postsetup state for all hwmods */
372 #ifdef CONFIG_PM_RUNTIME
373 postsetup_state = _HWMOD_STATE_IDLE;
374 #else
375 postsetup_state = _HWMOD_STATE_ENABLED;
376 #endif
377 omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
378
379 omap_pm_if_early_init();
380 }
381
382 #ifdef CONFIG_SOC_OMAP2420
383 void __init omap2420_init_early(void)
384 {
385 omap2_set_globals_tap(OMAP242X_CLASS, OMAP2_L4_IO_ADDRESS(0x48014000));
386 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
387 OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE));
388 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
389 NULL);
390 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE));
391 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), NULL);
392 omap2xxx_check_revision();
393 omap2xxx_prm_init();
394 omap2xxx_cm_init();
395 omap2xxx_voltagedomains_init();
396 omap242x_powerdomains_init();
397 omap242x_clockdomains_init();
398 omap2420_hwmod_init();
399 omap_hwmod_init_postsetup();
400 omap2420_clk_init();
401 }
402
403 void __init omap2420_init_late(void)
404 {
405 omap_mux_late_init();
406 omap2_common_pm_late_init();
407 omap2_pm_init();
408 omap2_clk_enable_autoidle_all();
409 }
410 #endif
411
412 #ifdef CONFIG_SOC_OMAP2430
413 void __init omap2430_init_early(void)
414 {
415 omap2_set_globals_tap(OMAP243X_CLASS, OMAP2_L4_IO_ADDRESS(0x4900a000));
416 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
417 OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE));
418 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
419 NULL);
420 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE));
421 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), NULL);
422 omap2xxx_check_revision();
423 omap2xxx_prm_init();
424 omap2xxx_cm_init();
425 omap2xxx_voltagedomains_init();
426 omap243x_powerdomains_init();
427 omap243x_clockdomains_init();
428 omap2430_hwmod_init();
429 omap_hwmod_init_postsetup();
430 omap2430_clk_init();
431 }
432
433 void __init omap2430_init_late(void)
434 {
435 omap_mux_late_init();
436 omap2_common_pm_late_init();
437 omap2_pm_init();
438 omap2_clk_enable_autoidle_all();
439 }
440 #endif
441
442 /*
443 * Currently only board-omap3beagle.c should call this because of the
444 * same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
445 */
446 #ifdef CONFIG_ARCH_OMAP3
447 void __init omap3_init_early(void)
448 {
449 omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000));
450 omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
451 OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE));
452 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
453 NULL);
454 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE));
455 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), NULL);
456 omap3xxx_check_revision();
457 omap3xxx_check_features();
458 omap3xxx_prm_init();
459 omap3xxx_cm_init();
460 omap3xxx_voltagedomains_init();
461 omap3xxx_powerdomains_init();
462 omap3xxx_clockdomains_init();
463 omap3xxx_hwmod_init();
464 omap_hwmod_init_postsetup();
465 omap3xxx_clk_init();
466 }
467
468 void __init omap3430_init_early(void)
469 {
470 omap3_init_early();
471 }
472
473 void __init omap35xx_init_early(void)
474 {
475 omap3_init_early();
476 }
477
478 void __init omap3630_init_early(void)
479 {
480 omap3_init_early();
481 }
482
483 void __init am35xx_init_early(void)
484 {
485 omap3_init_early();
486 }
487
488 void __init ti81xx_init_early(void)
489 {
490 omap2_set_globals_tap(OMAP343X_CLASS,
491 OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
492 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
493 NULL);
494 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
495 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
496 omap3xxx_check_revision();
497 ti81xx_check_features();
498 omap3xxx_voltagedomains_init();
499 omap3xxx_powerdomains_init();
500 omap3xxx_clockdomains_init();
501 omap3xxx_hwmod_init();
502 omap_hwmod_init_postsetup();
503 omap3xxx_clk_init();
504 }
505
506 void __init omap3_init_late(void)
507 {
508 omap_mux_late_init();
509 omap2_common_pm_late_init();
510 omap3_pm_init();
511 omap2_clk_enable_autoidle_all();
512 }
513
514 void __init omap3430_init_late(void)
515 {
516 omap_mux_late_init();
517 omap2_common_pm_late_init();
518 omap3_pm_init();
519 omap2_clk_enable_autoidle_all();
520 }
521
522 void __init omap35xx_init_late(void)
523 {
524 omap_mux_late_init();
525 omap2_common_pm_late_init();
526 omap3_pm_init();
527 omap2_clk_enable_autoidle_all();
528 }
529
530 void __init omap3630_init_late(void)
531 {
532 omap_mux_late_init();
533 omap2_common_pm_late_init();
534 omap3_pm_init();
535 omap2_clk_enable_autoidle_all();
536 }
537
538 void __init am35xx_init_late(void)
539 {
540 omap_mux_late_init();
541 omap2_common_pm_late_init();
542 omap3_pm_init();
543 omap2_clk_enable_autoidle_all();
544 }
545
546 void __init ti81xx_init_late(void)
547 {
548 omap_mux_late_init();
549 omap2_common_pm_late_init();
550 omap3_pm_init();
551 omap2_clk_enable_autoidle_all();
552 }
553 #endif
554
555 #ifdef CONFIG_SOC_AM33XX
556 void __init am33xx_init_early(void)
557 {
558 omap2_set_globals_tap(AM335X_CLASS,
559 AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE));
560 omap2_set_globals_control(AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
561 NULL);
562 omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
563 omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
564 omap3xxx_check_revision();
565 ti81xx_check_features();
566 am33xx_voltagedomains_init();
567 am33xx_powerdomains_init();
568 am33xx_clockdomains_init();
569 am33xx_hwmod_init();
570 omap_hwmod_init_postsetup();
571 am33xx_clk_init();
572 }
573 #endif
574
575 #ifdef CONFIG_ARCH_OMAP4
576 void __init omap4430_init_early(void)
577 {
578 omap2_set_globals_tap(OMAP443X_CLASS,
579 OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE));
580 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
581 OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE));
582 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE));
583 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
584 OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE));
585 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE));
586 omap_prm_base_init();
587 omap_cm_base_init();
588 omap4xxx_check_revision();
589 omap4xxx_check_features();
590 omap44xx_prm_init();
591 omap44xx_voltagedomains_init();
592 omap44xx_powerdomains_init();
593 omap44xx_clockdomains_init();
594 omap44xx_hwmod_init();
595 omap_hwmod_init_postsetup();
596 omap4xxx_clk_init();
597 }
598
599 void __init omap4430_init_late(void)
600 {
601 omap_mux_late_init();
602 omap2_common_pm_late_init();
603 omap4_pm_init();
604 omap2_clk_enable_autoidle_all();
605 }
606 #endif
607
608 #ifdef CONFIG_SOC_OMAP5
609 void __init omap5_init_early(void)
610 {
611 omap2_set_globals_tap(OMAP54XX_CLASS,
612 OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE));
613 omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(OMAP54XX_SCM_BASE),
614 OMAP2_L4_IO_ADDRESS(OMAP54XX_CTRL_BASE));
615 omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRM_BASE));
616 omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_AON_BASE),
617 OMAP2_L4_IO_ADDRESS(OMAP54XX_CM_CORE_BASE));
618 omap2_set_globals_prcm_mpu(OMAP2_L4_IO_ADDRESS(OMAP54XX_PRCM_MPU_BASE));
619 omap_prm_base_init();
620 omap_cm_base_init();
621 omap5xxx_check_revision();
622 }
623 #endif
624
625 void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
626 struct omap_sdrc_params *sdrc_cs1)
627 {
628 omap_sram_init();
629
630 if (cpu_is_omap24xx() || omap3_has_sdrc()) {
631 omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
632 _omap2_init_reprogram_sdrc();
633 }
634 }
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