4 * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
6 * Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux.
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
31 #define ALWAYS_ENABLED (1 << 0)
32 #define CLOCK_IN_OMAP310 (1 << 10)
33 #define CLOCK_IN_OMAP730 (1 << 11)
34 #define CLOCK_IN_OMAP1510 (1 << 12)
35 #define CLOCK_IN_OMAP16XX (1 << 13)
36 #define CLOCK_IN_OMAP242X (1 << 14)
37 #define CLOCK_IN_OMAP243X (1 << 15)
38 #define CLOCK_IN_OMAP343X (1 << 16)
42 int running
; /* Is currently ticking */
43 int enabled
; /* Is enabled, regardless of its input clk */
44 unsigned long rate
; /* Current rate (if .running) */
45 unsigned int divisor
; /* Rate relative to input (if .enabled) */
46 unsigned int multiplier
; /* Rate relative to input (if .enabled) */
47 qemu_irq users
[16]; /* Who to notify on change */
48 int usecount
; /* Automatically idle when unused */
51 static struct clk xtal_osc12m
= {
52 .name
= "xtal_osc_12m",
54 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
57 static struct clk xtal_osc32k
= {
58 .name
= "xtal_osc_32k",
60 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
61 CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
64 static struct clk ck_ref
= {
67 .parent
= &xtal_osc12m
,
68 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
72 /* If a dpll is disabled it becomes a bypass, child clocks don't stop */
73 static struct clk dpll1
= {
76 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
80 static struct clk dpll2
= {
83 .flags
= CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
86 static struct clk dpll3
= {
89 .flags
= CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
92 static struct clk dpll4
= {
96 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
99 static struct clk apll
= {
104 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
107 static struct clk ck_48m
= {
109 .parent
= &dpll4
, /* either dpll4 or apll */
110 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
113 static struct clk ck_dpll1out
= {
114 .name
= "ck_dpll1out",
116 .flags
= CLOCK_IN_OMAP16XX
,
119 static struct clk sossi_ck
= {
121 .parent
= &ck_dpll1out
,
122 .flags
= CLOCK_IN_OMAP16XX
,
125 static struct clk clkm1
= {
129 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
133 static struct clk clkm2
= {
137 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
141 static struct clk clkm3
= {
144 .parent
= &dpll1
, /* either dpll1 or ck_ref */
145 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
149 static struct clk arm_ck
= {
153 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
157 static struct clk armper_ck
= {
159 .alias
= "mpuper_ck",
161 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
164 static struct clk arm_gpio_ck
= {
165 .name
= "arm_gpio_ck",
166 .alias
= "mpu_gpio_ck",
169 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
172 static struct clk armxor_ck
= {
174 .alias
= "mpuxor_ck",
176 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
179 static struct clk armtim_ck
= {
181 .alias
= "mputim_ck",
182 .parent
= &ck_ref
, /* either CLKIN or DPLL1 */
183 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
186 static struct clk armwdt_ck
= {
191 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
195 static struct clk arminth_ck16xx
= {
196 .name
= "arminth_ck",
198 .flags
= CLOCK_IN_OMAP16XX
| ALWAYS_ENABLED
,
199 /* Note: On 16xx the frequency can be divided by 2 by programming
200 * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
202 * 1510 version is in TC clocks.
206 static struct clk dsp_ck
= {
209 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
212 static struct clk dspmmu_ck
= {
215 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
|
219 static struct clk dspper_ck
= {
222 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
225 static struct clk dspxor_ck
= {
228 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
231 static struct clk dsptim_ck
= {
234 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
237 static struct clk tc_ck
= {
240 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
|
241 CLOCK_IN_OMAP730
| CLOCK_IN_OMAP310
|
245 static struct clk arminth_ck15xx
= {
246 .name
= "arminth_ck",
248 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
249 /* Note: On 1510 the frequency follows TC_CK
251 * 16xx version is in MPU clocks.
255 static struct clk tipb_ck
= {
256 /* No-idle controlled by "tc_ck" */
259 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
262 static struct clk l3_ocpi_ck
= {
263 /* No-idle controlled by "tc_ck" */
264 .name
= "l3_ocpi_ck",
266 .flags
= CLOCK_IN_OMAP16XX
,
269 static struct clk tc1_ck
= {
272 .flags
= CLOCK_IN_OMAP16XX
,
275 static struct clk tc2_ck
= {
278 .flags
= CLOCK_IN_OMAP16XX
,
281 static struct clk dma_ck
= {
282 /* No-idle controlled by "tc_ck" */
285 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
289 static struct clk dma_lcdfree_ck
= {
290 .name
= "dma_lcdfree_ck",
292 .flags
= CLOCK_IN_OMAP16XX
| ALWAYS_ENABLED
,
295 static struct clk api_ck
= {
299 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
302 static struct clk lb_ck
= {
305 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
308 static struct clk lbfree_ck
= {
311 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
314 static struct clk hsab_ck
= {
317 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
320 static struct clk rhea1_ck
= {
323 .flags
= CLOCK_IN_OMAP16XX
| ALWAYS_ENABLED
,
326 static struct clk rhea2_ck
= {
329 .flags
= CLOCK_IN_OMAP16XX
| ALWAYS_ENABLED
,
332 static struct clk lcd_ck_16xx
= {
335 .flags
= CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP730
,
338 static struct clk lcd_ck_1510
= {
341 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
344 static struct clk uart1_1510
= {
346 /* Direct from ULPD, no real parent */
347 .parent
= &armper_ck
, /* either armper_ck or dpll4 */
349 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
352 static struct clk uart1_16xx
= {
354 /* Direct from ULPD, no real parent */
355 .parent
= &armper_ck
,
357 .flags
= CLOCK_IN_OMAP16XX
,
360 static struct clk uart2_ck
= {
362 /* Direct from ULPD, no real parent */
363 .parent
= &armper_ck
, /* either armper_ck or dpll4 */
365 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
|
369 static struct clk uart3_1510
= {
371 /* Direct from ULPD, no real parent */
372 .parent
= &armper_ck
, /* either armper_ck or dpll4 */
374 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
| ALWAYS_ENABLED
,
377 static struct clk uart3_16xx
= {
379 /* Direct from ULPD, no real parent */
380 .parent
= &armper_ck
,
382 .flags
= CLOCK_IN_OMAP16XX
,
385 static struct clk usb_clk0
= { /* 6 MHz output on W4_USB_CLK0 */
388 /* Direct from ULPD, no parent */
390 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
393 static struct clk usb_hhc_ck1510
= {
394 .name
= "usb_hhc_ck",
395 /* Direct from ULPD, no parent */
396 .rate
= 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
397 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP310
,
400 static struct clk usb_hhc_ck16xx
= {
401 .name
= "usb_hhc_ck",
402 /* Direct from ULPD, no parent */
404 /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
405 .flags
= CLOCK_IN_OMAP16XX
,
408 static struct clk usb_w2fc_mclk
= {
409 .name
= "usb_w2fc_mclk",
410 .alias
= "usb_w2fc_ck",
413 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
416 static struct clk mclk_1510
= {
418 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
420 .flags
= CLOCK_IN_OMAP1510
,
423 static struct clk bclk_310
= {
424 .name
= "bt_mclk_out", /* Alias midi_mclk_out? */
425 .parent
= &armper_ck
,
426 .flags
= CLOCK_IN_OMAP310
,
429 static struct clk mclk_310
= {
430 .name
= "com_mclk_out",
431 .parent
= &armper_ck
,
432 .flags
= CLOCK_IN_OMAP310
,
435 static struct clk mclk_16xx
= {
437 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
438 .flags
= CLOCK_IN_OMAP16XX
,
441 static struct clk bclk_1510
= {
443 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
445 .flags
= CLOCK_IN_OMAP1510
,
448 static struct clk bclk_16xx
= {
450 /* Direct from ULPD, no parent. May be enabled by ext hardware. */
451 .flags
= CLOCK_IN_OMAP16XX
,
454 static struct clk mmc1_ck
= {
457 /* Functional clock is direct from ULPD, interface clock is ARMPER */
458 .parent
= &armper_ck
, /* either armper_ck or dpll4 */
460 .flags
= CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
| CLOCK_IN_OMAP310
,
463 static struct clk mmc2_ck
= {
466 /* Functional clock is direct from ULPD, interface clock is ARMPER */
467 .parent
= &armper_ck
,
469 .flags
= CLOCK_IN_OMAP16XX
,
472 static struct clk cam_mclk
= {
474 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
478 static struct clk cam_exclk
= {
480 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
481 /* Either 12M from cam.mclk or 48M from dpll4 */
485 static struct clk cam_lclk
= {
487 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
,
490 static struct clk i2c_fck
= {
493 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
|
495 .parent
= &armxor_ck
,
498 static struct clk i2c_ick
= {
501 .flags
= CLOCK_IN_OMAP16XX
| ALWAYS_ENABLED
,
502 .parent
= &armper_ck
,
505 static struct clk clk32k
= {
507 .flags
= CLOCK_IN_OMAP310
| CLOCK_IN_OMAP1510
| CLOCK_IN_OMAP16XX
|
508 CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
509 .parent
= &xtal_osc32k
,
512 static struct clk ref_clk
= {
514 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
515 .rate
= 12000000, /* 12 MHz or 13 MHz or 19.2 MHz */
516 /*.parent = sys.xtalin */
519 static struct clk apll_96m
= {
521 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
523 /*.parent = ref_clk */
526 static struct clk apll_54m
= {
528 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
530 /*.parent = ref_clk */
533 static struct clk sys_clk
= {
535 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
537 /*.parent = sys.xtalin */
540 static struct clk sleep_clk
= {
542 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
544 /*.parent = sys.xtalin */
547 static struct clk dpll_ck
= {
549 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
553 static struct clk dpll_x2_ck
= {
555 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
559 static struct clk wdt1_sys_clk
= {
560 .name
= "wdt1_sys_clk",
561 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
| ALWAYS_ENABLED
,
563 /*.parent = sys.xtalin */
566 static struct clk func_96m_clk
= {
567 .name
= "func_96m_clk",
568 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
573 static struct clk func_48m_clk
= {
574 .name
= "func_48m_clk",
575 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
580 static struct clk func_12m_clk
= {
581 .name
= "func_12m_clk",
582 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
587 static struct clk func_54m_clk
= {
588 .name
= "func_54m_clk",
589 .flags
= CLOCK_IN_OMAP242X
,
594 static struct clk sys_clkout
= {
596 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
600 static struct clk sys_clkout2
= {
602 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
606 static struct clk core_clk
= {
608 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
609 .parent
= &dpll_x2_ck
, /* Switchable between dpll_ck and clk32k */
612 static struct clk l3_clk
= {
614 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
618 static struct clk core_l4_iclk
= {
619 .name
= "core_l4_iclk",
620 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
624 static struct clk wu_l4_iclk
= {
625 .name
= "wu_l4_iclk",
626 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
630 static struct clk core_l3_iclk
= {
631 .name
= "core_l3_iclk",
632 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
636 static struct clk core_l4_usb_clk
= {
637 .name
= "core_l4_usb_clk",
638 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
642 static struct clk wu_gpt1_clk
= {
643 .name
= "wu_gpt1_clk",
644 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
648 static struct clk wu_32k_clk
= {
649 .name
= "wu_32k_clk",
650 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
654 static struct clk uart1_fclk
= {
655 .name
= "uart1_fclk",
656 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
657 .parent
= &func_48m_clk
,
660 static struct clk uart1_iclk
= {
661 .name
= "uart1_iclk",
662 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
663 .parent
= &core_l4_iclk
,
666 static struct clk uart2_fclk
= {
667 .name
= "uart2_fclk",
668 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
669 .parent
= &func_48m_clk
,
672 static struct clk uart2_iclk
= {
673 .name
= "uart2_iclk",
674 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
675 .parent
= &core_l4_iclk
,
678 static struct clk uart3_fclk
= {
679 .name
= "uart3_fclk",
680 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
681 .parent
= &func_48m_clk
,
684 static struct clk uart3_iclk
= {
685 .name
= "uart3_iclk",
686 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
687 .parent
= &core_l4_iclk
,
690 static struct clk mpu_fclk
= {
692 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
696 static struct clk mpu_iclk
= {
698 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
702 static struct clk int_m_fclk
= {
703 .name
= "int_m_fclk",
704 .alias
= "mpu_intc_fclk",
705 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
709 static struct clk int_m_iclk
= {
710 .name
= "int_m_iclk",
711 .alias
= "mpu_intc_iclk",
712 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
716 static struct clk core_gpt2_clk
= {
717 .name
= "core_gpt2_clk",
718 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
722 static struct clk core_gpt3_clk
= {
723 .name
= "core_gpt3_clk",
724 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
728 static struct clk core_gpt4_clk
= {
729 .name
= "core_gpt4_clk",
730 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
734 static struct clk core_gpt5_clk
= {
735 .name
= "core_gpt5_clk",
736 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
740 static struct clk core_gpt6_clk
= {
741 .name
= "core_gpt6_clk",
742 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
746 static struct clk core_gpt7_clk
= {
747 .name
= "core_gpt7_clk",
748 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
752 static struct clk core_gpt8_clk
= {
753 .name
= "core_gpt8_clk",
754 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
758 static struct clk core_gpt9_clk
= {
759 .name
= "core_gpt9_clk",
760 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
764 static struct clk core_gpt10_clk
= {
765 .name
= "core_gpt10_clk",
766 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
770 static struct clk core_gpt11_clk
= {
771 .name
= "core_gpt11_clk",
772 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
776 static struct clk core_gpt12_clk
= {
777 .name
= "core_gpt12_clk",
778 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
782 static struct clk mcbsp1_clk
= {
784 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
786 .parent
= &func_96m_clk
,
789 static struct clk mcbsp2_clk
= {
791 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
793 .parent
= &func_96m_clk
,
796 static struct clk emul_clk
= {
798 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
799 .parent
= &func_54m_clk
,
802 static struct clk sdma_fclk
= {
804 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
808 static struct clk sdma_iclk
= {
810 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
811 .parent
= &core_l3_iclk
, /* core_l4_iclk for the configuration port */
814 static struct clk i2c1_fclk
= {
816 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
817 .parent
= &func_12m_clk
,
821 static struct clk i2c1_iclk
= {
823 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
824 .parent
= &core_l4_iclk
,
827 static struct clk i2c2_fclk
= {
829 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
830 .parent
= &func_12m_clk
,
834 static struct clk i2c2_iclk
= {
836 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
837 .parent
= &core_l4_iclk
,
840 static struct clk gpio_dbclk
[4] = {
842 .name
= "gpio1_dbclk",
843 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
844 .parent
= &wu_32k_clk
,
846 .name
= "gpio2_dbclk",
847 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
848 .parent
= &wu_32k_clk
,
850 .name
= "gpio3_dbclk",
851 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
852 .parent
= &wu_32k_clk
,
854 .name
= "gpio4_dbclk",
855 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
856 .parent
= &wu_32k_clk
,
860 static struct clk gpio_iclk
= {
862 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
863 .parent
= &wu_l4_iclk
,
866 static struct clk mmc_fck
= {
868 .flags
= CLOCK_IN_OMAP242X
,
869 .parent
= &func_96m_clk
,
872 static struct clk mmc_ick
= {
874 .flags
= CLOCK_IN_OMAP242X
,
875 .parent
= &core_l4_iclk
,
878 static struct clk spi_fclk
[3] = {
881 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
882 .parent
= &func_48m_clk
,
885 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
886 .parent
= &func_48m_clk
,
889 .flags
= CLOCK_IN_OMAP243X
,
890 .parent
= &func_48m_clk
,
894 static struct clk dss_clk
[2] = {
897 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
901 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
906 static struct clk dss_54m_clk
= {
907 .name
= "dss_54m_clk",
908 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
909 .parent
= &func_54m_clk
,
912 static struct clk dss_l3_iclk
= {
913 .name
= "dss_l3_iclk",
914 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
915 .parent
= &core_l3_iclk
,
918 static struct clk dss_l4_iclk
= {
919 .name
= "dss_l4_iclk",
920 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
921 .parent
= &core_l4_iclk
,
924 static struct clk spi_iclk
[3] = {
927 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
928 .parent
= &core_l4_iclk
,
931 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
932 .parent
= &core_l4_iclk
,
935 .flags
= CLOCK_IN_OMAP243X
,
936 .parent
= &core_l4_iclk
,
940 static struct clk omapctrl_clk
= {
941 .name
= "omapctrl_iclk",
942 .flags
= CLOCK_IN_OMAP242X
| CLOCK_IN_OMAP243X
,
943 /* XXX Should be in WKUP domain */
944 .parent
= &core_l4_iclk
,
947 static struct clk
*onchip_clks
[] = {
950 /* non-ULPD clocks */
970 &arminth_ck15xx
, &arminth_ck16xx
,
1002 &usb_hhc_ck1510
, &usb_hhc_ck16xx
,
1003 &mclk_1510
, &mclk_16xx
, &mclk_310
,
1004 &bclk_1510
, &bclk_16xx
, &bclk_310
,
1012 /* Virtual clocks */
1093 void omap_clk_adduser(struct clk
*clk
, qemu_irq user
)
1097 for (i
= clk
->users
; *i
; i
++);
1101 struct clk
*omap_findclk(struct omap_mpu_state_s
*mpu
, const char *name
)
1105 for (i
= mpu
->clks
; i
->name
; i
++)
1106 if (!strcmp(i
->name
, name
) || (i
->alias
&& !strcmp(i
->alias
, name
)))
1108 hw_error("%s: %s not found\n", __FUNCTION__
, name
);
1111 void omap_clk_get(struct clk
*clk
)
1116 void omap_clk_put(struct clk
*clk
)
1118 if (!(clk
->usecount
--))
1119 hw_error("%s: %s is not in use\n", __FUNCTION__
, clk
->name
);
1122 static void omap_clk_update(struct clk
*clk
)
1124 int parent
, running
;
1129 parent
= clk
->parent
->running
;
1133 running
= parent
&& (clk
->enabled
||
1134 ((clk
->flags
& ALWAYS_ENABLED
) && clk
->usecount
));
1135 if (clk
->running
!= running
) {
1136 clk
->running
= running
;
1137 for (user
= clk
->users
; *user
; user
++)
1138 qemu_set_irq(*user
, running
);
1139 for (i
= clk
->child1
; i
; i
= i
->sibling
)
1144 static void omap_clk_rate_update_full(struct clk
*clk
, unsigned long int rate
,
1145 unsigned long int div
, unsigned long int mult
)
1150 clk
->rate
= muldiv64(rate
, mult
, div
);
1152 for (user
= clk
->users
; *user
; user
++)
1153 qemu_irq_raise(*user
);
1154 for (i
= clk
->child1
; i
; i
= i
->sibling
)
1155 omap_clk_rate_update_full(i
, rate
,
1156 div
* i
->divisor
, mult
* i
->multiplier
);
1159 static void omap_clk_rate_update(struct clk
*clk
)
1162 unsigned long int div
, mult
= div
= 1;
1164 for (i
= clk
; i
->parent
; i
= i
->parent
) {
1166 mult
*= i
->multiplier
;
1169 omap_clk_rate_update_full(clk
, i
->rate
, div
, mult
);
1172 void omap_clk_reparent(struct clk
*clk
, struct clk
*parent
)
1177 for (p
= &clk
->parent
->child1
; *p
!= clk
; p
= &(*p
)->sibling
);
1181 clk
->parent
= parent
;
1183 clk
->sibling
= parent
->child1
;
1184 parent
->child1
= clk
;
1185 omap_clk_update(clk
);
1186 omap_clk_rate_update(clk
);
1191 void omap_clk_onoff(struct clk
*clk
, int on
)
1194 omap_clk_update(clk
);
1197 void omap_clk_canidle(struct clk
*clk
, int can
)
1205 void omap_clk_setrate(struct clk
*clk
, int divide
, int multiply
)
1207 clk
->divisor
= divide
;
1208 clk
->multiplier
= multiply
;
1209 omap_clk_rate_update(clk
);
1212 int64_t omap_clk_getrate(omap_clk clk
)
1217 void omap_clk_init(struct omap_mpu_state_s
*mpu
)
1219 struct clk
**i
, *j
, *k
;
1223 if (cpu_is_omap310(mpu
))
1224 flag
= CLOCK_IN_OMAP310
;
1225 else if (cpu_is_omap1510(mpu
))
1226 flag
= CLOCK_IN_OMAP1510
;
1227 else if (cpu_is_omap2410(mpu
) || cpu_is_omap2420(mpu
))
1228 flag
= CLOCK_IN_OMAP242X
;
1229 else if (cpu_is_omap2430(mpu
))
1230 flag
= CLOCK_IN_OMAP243X
;
1231 else if (cpu_is_omap3430(mpu
))
1232 flag
= CLOCK_IN_OMAP243X
;
1236 for (i
= onchip_clks
, count
= 0; *i
; i
++)
1237 if ((*i
)->flags
& flag
)
1239 mpu
->clks
= (struct clk
*) qemu_mallocz(sizeof(struct clk
) * (count
+ 1));
1240 for (i
= onchip_clks
, j
= mpu
->clks
; *i
; i
++)
1241 if ((*i
)->flags
& flag
) {
1242 memcpy(j
, *i
, sizeof(struct clk
));
1243 for (k
= mpu
->clks
; k
< j
; k
++)
1244 if (j
->parent
&& !strcmp(j
->parent
->name
, k
->name
)) {
1246 j
->sibling
= k
->child1
;
1248 } else if (k
->parent
&& !strcmp(k
->parent
->name
, j
->name
)) {
1250 k
->sibling
= j
->child1
;
1253 j
->divisor
= j
->divisor
?: 1;
1254 j
->multiplier
= j
->multiplier
?: 1;
1257 for (j
= mpu
->clks
; count
--; j
++) {
1259 omap_clk_rate_update(j
);