hw/misc/omap_clk.c

   1 /*
   2  * OMAP clocks.
   3  *
   4  * Copyright (C) 2006-2008 Andrzej Zaborowski  <balrog@zabor.org>
   5  *
   6  * Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux.
   7  *
   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.
  12  *
  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.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, see <http://www.gnu.org/licenses/>.
  20  */
  21 #include "qemu/osdep.h"
  22 #include "hw/hw.h"
  23 #include "hw/arm/omap.h"
  24
  25 struct clk {
  26     const char *name;
  27     const char *alias;
  28     struct clk *parent;
  29     struct clk *child1;
  30     struct clk *sibling;
  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)
  39     uint32_t flags;
  40     int id;
  41
  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 */
  49 };
  50
  51 static struct clk xtal_osc12m = {
  52     .name       = "xtal_osc_12m",
  53     .rate       = 12000000,
  54     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
  55 };
  56
  57 static struct clk xtal_osc32k = {
  58     .name       = "xtal_osc_32k",
  59     .rate       = 32768,
  60     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  61             CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
  62 };
  63
  64 static struct clk ck_ref = {
  65     .name       = "ck_ref",
  66     .alias      = "clkin",
  67     .parent     = &xtal_osc12m,
  68     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  69             ALWAYS_ENABLED,
  70 };
  71
  72 /* If a dpll is disabled it becomes a bypass, child clocks don't stop */
  73 static struct clk dpll1 = {
  74     .name       = "dpll1",
  75     .parent     = &ck_ref,
  76     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  77             ALWAYS_ENABLED,
  78 };
  79
  80 static struct clk dpll2 = {
  81     .name       = "dpll2",
  82     .parent     = &ck_ref,
  83     .flags      = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  84 };
  85
  86 static struct clk dpll3 = {
  87     .name       = "dpll3",
  88     .parent     = &ck_ref,
  89     .flags      = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  90 };
  91
  92 static struct clk dpll4 = {
  93     .name       = "dpll4",
  94     .parent     = &ck_ref,
  95     .multiplier = 4,
  96     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
  97 };
  98
  99 static struct clk apll = {
 100     .name       = "apll",
 101     .parent     = &ck_ref,
 102     .multiplier = 48,
 103     .divisor    = 12,
 104     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 105 };
 106
 107 static struct clk ck_48m = {
 108     .name       = "ck_48m",
 109     .parent     = &dpll4,       /* either dpll4 or apll */
 110     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 111 };
 112
 113 static struct clk ck_dpll1out = {
 114     .name       = "ck_dpll1out",
 115     .parent     = &dpll1,
 116     .flags      = CLOCK_IN_OMAP16XX,
 117 };
 118
 119 static struct clk sossi_ck = {
 120     .name       = "ck_sossi",
 121     .parent     = &ck_dpll1out,
 122     .flags      = CLOCK_IN_OMAP16XX,
 123 };
 124
 125 static struct clk clkm1 = {
 126     .name       = "clkm1",
 127     .alias      = "ck_gen1",
 128     .parent     = &dpll1,
 129     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 130             ALWAYS_ENABLED,
 131 };
 132
 133 static struct clk clkm2 = {
 134     .name       = "clkm2",
 135     .alias      = "ck_gen2",
 136     .parent     = &dpll1,
 137     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 138             ALWAYS_ENABLED,
 139 };
 140
 141 static struct clk clkm3 = {
 142     .name       = "clkm3",
 143     .alias      = "ck_gen3",
 144     .parent     = &dpll1,       /* either dpll1 or ck_ref */
 145     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 146             ALWAYS_ENABLED,
 147 };
 148
 149 static struct clk arm_ck = {
 150     .name       = "arm_ck",
 151     .alias      = "mpu_ck",
 152     .parent     = &clkm1,
 153     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 154             ALWAYS_ENABLED,
 155 };
 156
 157 static struct clk armper_ck = {
 158     .name       = "armper_ck",
 159     .alias      = "mpuper_ck",
 160     .parent     = &clkm1,
 161     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 162 };
 163
 164 static struct clk arm_gpio_ck = {
 165     .name       = "arm_gpio_ck",
 166     .alias      = "mpu_gpio_ck",
 167     .parent     = &clkm1,
 168     .divisor    = 1,
 169     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 170 };
 171
 172 static struct clk armxor_ck = {
 173     .name       = "armxor_ck",
 174     .alias      = "mpuxor_ck",
 175     .parent     = &ck_ref,
 176     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 177 };
 178
 179 static struct clk armtim_ck = {
 180     .name       = "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,
 184 };
 185
 186 static struct clk armwdt_ck = {
 187     .name       = "armwdt_ck",
 188     .alias      = "mpuwd_ck",
 189     .parent     = &clkm1,
 190     .divisor    = 14,
 191     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 192             ALWAYS_ENABLED,
 193 };
 194
 195 static struct clk arminth_ck16xx = {
 196     .name       = "arminth_ck",
 197     .parent     = &arm_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
 201      *
 202      * 1510 version is in TC clocks.
 203      */
 204 };
 205
 206 static struct clk dsp_ck = {
 207     .name       = "dsp_ck",
 208     .parent     = &clkm2,
 209     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 210 };
 211
 212 static struct clk dspmmu_ck = {
 213     .name       = "dspmmu_ck",
 214     .parent     = &clkm2,
 215     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 216             ALWAYS_ENABLED,
 217 };
 218
 219 static struct clk dspper_ck = {
 220     .name       = "dspper_ck",
 221     .parent     = &clkm2,
 222     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 223 };
 224
 225 static struct clk dspxor_ck = {
 226     .name       = "dspxor_ck",
 227     .parent     = &ck_ref,
 228     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 229 };
 230
 231 static struct clk dsptim_ck = {
 232     .name       = "dsptim_ck",
 233     .parent     = &ck_ref,
 234     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 235 };
 236
 237 static struct clk tc_ck = {
 238     .name       = "tc_ck",
 239     .parent     = &clkm3,
 240     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 241             CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
 242             ALWAYS_ENABLED,
 243 };
 244
 245 static struct clk arminth_ck15xx = {
 246     .name       = "arminth_ck",
 247     .parent     = &tc_ck,
 248     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 249     /* Note: On 1510 the frequency follows TC_CK
 250      *
 251      * 16xx version is in MPU clocks.
 252      */
 253 };
 254
 255 static struct clk tipb_ck = {
 256     /* No-idle controlled by "tc_ck" */
 257     .name       = "tipb_ck",
 258     .parent     = &tc_ck,
 259     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 260 };
 261
 262 static struct clk l3_ocpi_ck = {
 263     /* No-idle controlled by "tc_ck" */
 264     .name       = "l3_ocpi_ck",
 265     .parent     = &tc_ck,
 266     .flags      = CLOCK_IN_OMAP16XX,
 267 };
 268
 269 static struct clk tc1_ck = {
 270     .name       = "tc1_ck",
 271     .parent     = &tc_ck,
 272     .flags      = CLOCK_IN_OMAP16XX,
 273 };
 274
 275 static struct clk tc2_ck = {
 276     .name       = "tc2_ck",
 277     .parent     = &tc_ck,
 278     .flags      = CLOCK_IN_OMAP16XX,
 279 };
 280
 281 static struct clk dma_ck = {
 282     /* No-idle controlled by "tc_ck" */
 283     .name       = "dma_ck",
 284     .parent     = &tc_ck,
 285     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 286             ALWAYS_ENABLED,
 287 };
 288
 289 static struct clk dma_lcdfree_ck = {
 290     .name       = "dma_lcdfree_ck",
 291     .parent     = &tc_ck,
 292     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 293 };
 294
 295 static struct clk api_ck = {
 296     .name       = "api_ck",
 297     .alias      = "mpui_ck",
 298     .parent     = &tc_ck,
 299     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 300 };
 301
 302 static struct clk lb_ck = {
 303     .name       = "lb_ck",
 304     .parent     = &tc_ck,
 305     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 306 };
 307
 308 static struct clk lbfree_ck = {
 309     .name       = "lbfree_ck",
 310     .parent     = &tc_ck,
 311     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 312 };
 313
 314 static struct clk hsab_ck = {
 315     .name       = "hsab_ck",
 316     .parent     = &tc_ck,
 317     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 318 };
 319
 320 static struct clk rhea1_ck = {
 321     .name       = "rhea1_ck",
 322     .parent     = &tc_ck,
 323     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 324 };
 325
 326 static struct clk rhea2_ck = {
 327     .name       = "rhea2_ck",
 328     .parent     = &tc_ck,
 329     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 330 };
 331
 332 static struct clk lcd_ck_16xx = {
 333     .name       = "lcd_ck",
 334     .parent     = &clkm3,
 335     .flags      = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730,
 336 };
 337
 338 static struct clk lcd_ck_1510 = {
 339     .name       = "lcd_ck",
 340     .parent     = &clkm3,
 341     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 342 };
 343
 344 static struct clk uart1_1510 = {
 345     .name       = "uart1_ck",
 346     /* Direct from ULPD, no real parent */
 347     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 348     .rate       = 12000000,
 349     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 350 };
 351
 352 static struct clk uart1_16xx = {
 353     .name       = "uart1_ck",
 354     /* Direct from ULPD, no real parent */
 355     .parent     = &armper_ck,
 356     .rate       = 48000000,
 357     .flags      = CLOCK_IN_OMAP16XX,
 358 };
 359
 360 static struct clk uart2_ck = {
 361     .name       = "uart2_ck",
 362     /* Direct from ULPD, no real parent */
 363     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 364     .rate       = 12000000,
 365     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 366             ALWAYS_ENABLED,
 367 };
 368
 369 static struct clk uart3_1510 = {
 370     .name       = "uart3_ck",
 371     /* Direct from ULPD, no real parent */
 372     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 373     .rate       = 12000000,
 374     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 375 };
 376
 377 static struct clk uart3_16xx = {
 378     .name       = "uart3_ck",
 379     /* Direct from ULPD, no real parent */
 380     .parent     = &armper_ck,
 381     .rate       = 48000000,
 382     .flags      = CLOCK_IN_OMAP16XX,
 383 };
 384
 385 static struct clk usb_clk0 = {  /* 6 MHz output on W4_USB_CLK0 */
 386     .name       = "usb_clk0",
 387     .alias      = "usb.clko",
 388     /* Direct from ULPD, no parent */
 389     .rate       = 6000000,
 390     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 391 };
 392
 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,
 398 };
 399
 400 static struct clk usb_hhc_ck16xx = {
 401     .name       = "usb_hhc_ck",
 402     /* Direct from ULPD, no parent */
 403     .rate       = 48000000,
 404     /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
 405     .flags      = CLOCK_IN_OMAP16XX,
 406 };
 407
 408 static struct clk usb_w2fc_mclk = {
 409     .name       = "usb_w2fc_mclk",
 410     .alias      = "usb_w2fc_ck",
 411     .parent     = &ck_48m,
 412     .rate       = 48000000,
 413     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 414 };
 415
 416 static struct clk mclk_1510 = {
 417     .name       = "mclk",
 418     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 419     .rate       = 12000000,
 420     .flags      = CLOCK_IN_OMAP1510,
 421 };
 422
 423 static struct clk bclk_310 = {
 424     .name       = "bt_mclk_out",        /* Alias midi_mclk_out? */
 425     .parent     = &armper_ck,
 426     .flags      = CLOCK_IN_OMAP310,
 427 };
 428
 429 static struct clk mclk_310 = {
 430     .name       = "com_mclk_out",
 431     .parent     = &armper_ck,
 432     .flags      = CLOCK_IN_OMAP310,
 433 };
 434
 435 static struct clk mclk_16xx = {
 436     .name       = "mclk",
 437     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 438     .flags      = CLOCK_IN_OMAP16XX,
 439 };
 440
 441 static struct clk bclk_1510 = {
 442     .name       = "bclk",
 443     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 444     .rate       = 12000000,
 445     .flags      = CLOCK_IN_OMAP1510,
 446 };
 447
 448 static struct clk bclk_16xx = {
 449     .name       = "bclk",
 450     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 451     .flags      = CLOCK_IN_OMAP16XX,
 452 };
 453
 454 static struct clk mmc1_ck = {
 455     .name       = "mmc_ck",
 456     .id         = 1,
 457     /* Functional clock is direct from ULPD, interface clock is ARMPER */
 458     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 459     .rate       = 48000000,
 460     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 461 };
 462
 463 static struct clk mmc2_ck = {
 464     .name       = "mmc_ck",
 465     .id         = 2,
 466     /* Functional clock is direct from ULPD, interface clock is ARMPER */
 467     .parent     = &armper_ck,
 468     .rate       = 48000000,
 469     .flags      = CLOCK_IN_OMAP16XX,
 470 };
 471
 472 static struct clk cam_mclk = {
 473     .name       = "cam.mclk",
 474     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 475     .rate       = 12000000,
 476 };
 477
 478 static struct clk cam_exclk = {
 479     .name       = "cam.exclk",
 480     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 481     /* Either 12M from cam.mclk or 48M from dpll4 */
 482     .parent     = &cam_mclk,
 483 };
 484
 485 static struct clk cam_lclk = {
 486     .name       = "cam.lclk",
 487     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 488 };
 489
 490 static struct clk i2c_fck = {
 491     .name       = "i2c_fck",
 492     .id         = 1,
 493     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 494             ALWAYS_ENABLED,
 495     .parent     = &armxor_ck,
 496 };
 497
 498 static struct clk i2c_ick = {
 499     .name       = "i2c_ick",
 500     .id         = 1,
 501     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 502     .parent     = &armper_ck,
 503 };
 504
 505 static struct clk clk32k = {
 506     .name       = "clk32-kHz",
 507     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 508             CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 509     .parent     = &xtal_osc32k,
 510 };
 511
 512 static struct clk ref_clk = {
 513     .name       = "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 */
 517 };
 518
 519 static struct clk apll_96m = {
 520     .name       = "apll_96m",
 521     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 522     .rate       = 96000000,
 523     /*.parent   = ref_clk */
 524 };
 525
 526 static struct clk apll_54m = {
 527     .name       = "apll_54m",
 528     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 529     .rate       = 54000000,
 530     /*.parent   = ref_clk */
 531 };
 532
 533 static struct clk sys_clk = {
 534     .name       = "sys_clk",
 535     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 536     .rate       = 32768,
 537     /*.parent   = sys.xtalin */
 538 };
 539
 540 static struct clk sleep_clk = {
 541     .name       = "sleep_clk",
 542     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 543     .rate       = 32768,
 544     /*.parent   = sys.xtalin */
 545 };
 546
 547 static struct clk dpll_ck = {
 548     .name       = "dpll",
 549     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 550     .parent     = &ref_clk,
 551 };
 552
 553 static struct clk dpll_x2_ck = {
 554     .name       = "dpll_x2",
 555     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 556     .parent     = &ref_clk,
 557 };
 558
 559 static struct clk wdt1_sys_clk = {
 560     .name       = "wdt1_sys_clk",
 561     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 562     .rate       = 32768,
 563     /*.parent   = sys.xtalin */
 564 };
 565
 566 static struct clk func_96m_clk = {
 567     .name       = "func_96m_clk",
 568     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 569     .divisor    = 1,
 570     .parent     = &apll_96m,
 571 };
 572
 573 static struct clk func_48m_clk = {
 574     .name       = "func_48m_clk",
 575     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 576     .divisor    = 2,
 577     .parent     = &apll_96m,
 578 };
 579
 580 static struct clk func_12m_clk = {
 581     .name       = "func_12m_clk",
 582     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 583     .divisor    = 8,
 584     .parent     = &apll_96m,
 585 };
 586
 587 static struct clk func_54m_clk = {
 588     .name       = "func_54m_clk",
 589     .flags      = CLOCK_IN_OMAP242X,
 590     .divisor    = 1,
 591     .parent     = &apll_54m,
 592 };
 593
 594 static struct clk sys_clkout = {
 595     .name       = "clkout",
 596     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 597     .parent     = &sys_clk,
 598 };
 599
 600 static struct clk sys_clkout2 = {
 601     .name       = "clkout2",
 602     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 603     .parent     = &sys_clk,
 604 };
 605
 606 static struct clk core_clk = {
 607     .name       = "core_clk",
 608     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 609     .parent     = &dpll_x2_ck,  /* Switchable between dpll_ck and clk32k */
 610 };
 611
 612 static struct clk l3_clk = {
 613     .name       = "l3_clk",
 614     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 615     .parent     = &core_clk,
 616 };
 617
 618 static struct clk core_l4_iclk = {
 619     .name       = "core_l4_iclk",
 620     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 621     .parent     = &l3_clk,
 622 };
 623
 624 static struct clk wu_l4_iclk = {
 625     .name       = "wu_l4_iclk",
 626     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 627     .parent     = &l3_clk,
 628 };
 629
 630 static struct clk core_l3_iclk = {
 631     .name       = "core_l3_iclk",
 632     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 633     .parent     = &core_clk,
 634 };
 635
 636 static struct clk core_l4_usb_clk = {
 637     .name       = "core_l4_usb_clk",
 638     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 639     .parent     = &l3_clk,
 640 };
 641
 642 static struct clk wu_gpt1_clk = {
 643     .name       = "wu_gpt1_clk",
 644     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 645     .parent     = &sys_clk,
 646 };
 647
 648 static struct clk wu_32k_clk = {
 649     .name       = "wu_32k_clk",
 650     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 651     .parent     = &sys_clk,
 652 };
 653
 654 static struct clk uart1_fclk = {
 655     .name       = "uart1_fclk",
 656     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 657     .parent     = &func_48m_clk,
 658 };
 659
 660 static struct clk uart1_iclk = {
 661     .name       = "uart1_iclk",
 662     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 663     .parent     = &core_l4_iclk,
 664 };
 665
 666 static struct clk uart2_fclk = {
 667     .name       = "uart2_fclk",
 668     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 669     .parent     = &func_48m_clk,
 670 };
 671
 672 static struct clk uart2_iclk = {
 673     .name       = "uart2_iclk",
 674     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 675     .parent     = &core_l4_iclk,
 676 };
 677
 678 static struct clk uart3_fclk = {
 679     .name       = "uart3_fclk",
 680     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 681     .parent     = &func_48m_clk,
 682 };
 683
 684 static struct clk uart3_iclk = {
 685     .name       = "uart3_iclk",
 686     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 687     .parent     = &core_l4_iclk,
 688 };
 689
 690 static struct clk mpu_fclk = {
 691     .name       = "mpu_fclk",
 692     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 693     .parent     = &core_clk,
 694 };
 695
 696 static struct clk mpu_iclk = {
 697     .name       = "mpu_iclk",
 698     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 699     .parent     = &core_clk,
 700 };
 701
 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,
 706     .parent     = &core_clk,
 707 };
 708
 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,
 713     .parent     = &core_clk,
 714 };
 715
 716 static struct clk core_gpt2_clk = {
 717     .name       = "core_gpt2_clk",
 718     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 719     .parent     = &sys_clk,
 720 };
 721
 722 static struct clk core_gpt3_clk = {
 723     .name       = "core_gpt3_clk",
 724     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 725     .parent     = &sys_clk,
 726 };
 727
 728 static struct clk core_gpt4_clk = {
 729     .name       = "core_gpt4_clk",
 730     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 731     .parent     = &sys_clk,
 732 };
 733
 734 static struct clk core_gpt5_clk = {
 735     .name       = "core_gpt5_clk",
 736     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 737     .parent     = &sys_clk,
 738 };
 739
 740 static struct clk core_gpt6_clk = {
 741     .name       = "core_gpt6_clk",
 742     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 743     .parent     = &sys_clk,
 744 };
 745
 746 static struct clk core_gpt7_clk = {
 747     .name       = "core_gpt7_clk",
 748     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 749     .parent     = &sys_clk,
 750 };
 751
 752 static struct clk core_gpt8_clk = {
 753     .name       = "core_gpt8_clk",
 754     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 755     .parent     = &sys_clk,
 756 };
 757
 758 static struct clk core_gpt9_clk = {
 759     .name       = "core_gpt9_clk",
 760     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 761     .parent     = &sys_clk,
 762 };
 763
 764 static struct clk core_gpt10_clk = {
 765     .name       = "core_gpt10_clk",
 766     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 767     .parent     = &sys_clk,
 768 };
 769
 770 static struct clk core_gpt11_clk = {
 771     .name       = "core_gpt11_clk",
 772     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 773     .parent     = &sys_clk,
 774 };
 775
 776 static struct clk core_gpt12_clk = {
 777     .name       = "core_gpt12_clk",
 778     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 779     .parent     = &sys_clk,
 780 };
 781
 782 static struct clk mcbsp1_clk = {
 783     .name       = "mcbsp1_cg",
 784     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 785     .divisor    = 2,
 786     .parent     = &func_96m_clk,
 787 };
 788
 789 static struct clk mcbsp2_clk = {
 790     .name       = "mcbsp2_cg",
 791     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 792     .divisor    = 2,
 793     .parent     = &func_96m_clk,
 794 };
 795
 796 static struct clk emul_clk = {
 797     .name       = "emul_ck",
 798     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 799     .parent     = &func_54m_clk,
 800 };
 801
 802 static struct clk sdma_fclk = {
 803     .name       = "sdma_fclk",
 804     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 805     .parent     = &l3_clk,
 806 };
 807
 808 static struct clk sdma_iclk = {
 809     .name       = "sdma_iclk",
 810     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 811     .parent     = &core_l3_iclk, /* core_l4_iclk for the configuration port */
 812 };
 813
 814 static struct clk i2c1_fclk = {
 815     .name       = "i2c1.fclk",
 816     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 817     .parent     = &func_12m_clk,
 818     .divisor    = 1,
 819 };
 820
 821 static struct clk i2c1_iclk = {
 822     .name       = "i2c1.iclk",
 823     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 824     .parent     = &core_l4_iclk,
 825 };
 826
 827 static struct clk i2c2_fclk = {
 828     .name       = "i2c2.fclk",
 829     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 830     .parent     = &func_12m_clk,
 831     .divisor    = 1,
 832 };
 833
 834 static struct clk i2c2_iclk = {
 835     .name       = "i2c2.iclk",
 836     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 837     .parent     = &core_l4_iclk,
 838 };
 839
 840 static struct clk gpio_dbclk[5] = {
 841     {
 842         .name   = "gpio1_dbclk",
 843         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 844         .parent = &wu_32k_clk,
 845     }, {
 846         .name   = "gpio2_dbclk",
 847         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 848         .parent = &wu_32k_clk,
 849     }, {
 850         .name   = "gpio3_dbclk",
 851         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 852         .parent = &wu_32k_clk,
 853     }, {
 854         .name   = "gpio4_dbclk",
 855         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 856         .parent = &wu_32k_clk,
 857     }, {
 858         .name   = "gpio5_dbclk",
 859         .flags  = CLOCK_IN_OMAP243X,
 860         .parent = &wu_32k_clk,
 861     },
 862 };
 863
 864 static struct clk gpio_iclk = {
 865     .name       = "gpio_iclk",
 866     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 867     .parent     = &wu_l4_iclk,
 868 };
 869
 870 static struct clk mmc_fck = {
 871     .name       = "mmc_fclk",
 872     .flags      = CLOCK_IN_OMAP242X,
 873     .parent     = &func_96m_clk,
 874 };
 875
 876 static struct clk mmc_ick = {
 877     .name       = "mmc_iclk",
 878     .flags      = CLOCK_IN_OMAP242X,
 879     .parent     = &core_l4_iclk,
 880 };
 881
 882 static struct clk spi_fclk[3] = {
 883     {
 884         .name   = "spi1_fclk",
 885         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 886         .parent = &func_48m_clk,
 887     }, {
 888         .name   = "spi2_fclk",
 889         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 890         .parent = &func_48m_clk,
 891     }, {
 892         .name   = "spi3_fclk",
 893         .flags  = CLOCK_IN_OMAP243X,
 894         .parent = &func_48m_clk,
 895     },
 896 };
 897
 898 static struct clk dss_clk[2] = {
 899     {
 900         .name   = "dss_clk1",
 901         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 902         .parent = &core_clk,
 903     }, {
 904         .name   = "dss_clk2",
 905         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 906         .parent = &sys_clk,
 907     },
 908 };
 909
 910 static struct clk dss_54m_clk = {
 911     .name       = "dss_54m_clk",
 912     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 913     .parent     = &func_54m_clk,
 914 };
 915
 916 static struct clk dss_l3_iclk = {
 917     .name       = "dss_l3_iclk",
 918     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 919     .parent     = &core_l3_iclk,
 920 };
 921
 922 static struct clk dss_l4_iclk = {
 923     .name       = "dss_l4_iclk",
 924     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 925     .parent     = &core_l4_iclk,
 926 };
 927
 928 static struct clk spi_iclk[3] = {
 929     {
 930         .name   = "spi1_iclk",
 931         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 932         .parent = &core_l4_iclk,
 933     }, {
 934         .name   = "spi2_iclk",
 935         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 936         .parent = &core_l4_iclk,
 937     }, {
 938         .name   = "spi3_iclk",
 939         .flags  = CLOCK_IN_OMAP243X,
 940         .parent = &core_l4_iclk,
 941     },
 942 };
 943
 944 static struct clk omapctrl_clk = {
 945     .name       = "omapctrl_iclk",
 946     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 947     /* XXX Should be in WKUP domain */
 948     .parent     = &core_l4_iclk,
 949 };
 950
 951 static struct clk *onchip_clks[] = {
 952     /* OMAP 1 */
 953
 954     /* non-ULPD clocks */
 955     &xtal_osc12m,
 956     &xtal_osc32k,
 957     &ck_ref,
 958     &dpll1,
 959     &dpll2,
 960     &dpll3,
 961     &dpll4,
 962     &apll,
 963     &ck_48m,
 964     /* CK_GEN1 clocks */
 965     &clkm1,
 966     &ck_dpll1out,
 967     &sossi_ck,
 968     &arm_ck,
 969     &armper_ck,
 970     &arm_gpio_ck,
 971     &armxor_ck,
 972     &armtim_ck,
 973     &armwdt_ck,
 974     &arminth_ck15xx,  &arminth_ck16xx,
 975     /* CK_GEN2 clocks */
 976     &clkm2,
 977     &dsp_ck,
 978     &dspmmu_ck,
 979     &dspper_ck,
 980     &dspxor_ck,
 981     &dsptim_ck,
 982     /* CK_GEN3 clocks */
 983     &clkm3,
 984     &tc_ck,
 985     &tipb_ck,
 986     &l3_ocpi_ck,
 987     &tc1_ck,
 988     &tc2_ck,
 989     &dma_ck,
 990     &dma_lcdfree_ck,
 991     &api_ck,
 992     &lb_ck,
 993     &lbfree_ck,
 994     &hsab_ck,
 995     &rhea1_ck,
 996     &rhea2_ck,
 997     &lcd_ck_16xx,
 998     &lcd_ck_1510,
 999     /* ULPD clocks */
1000     &uart1_1510,
1001     &uart1_16xx,
1002     &uart2_ck,
1003     &uart3_1510,
1004     &uart3_16xx,
1005     &usb_clk0,
1006     &usb_hhc_ck1510, &usb_hhc_ck16xx,
1007     &mclk_1510,  &mclk_16xx, &mclk_310,
1008     &bclk_1510,  &bclk_16xx, &bclk_310,
1009     &mmc1_ck,
1010     &mmc2_ck,
1011     &cam_mclk,
1012     &cam_exclk,
1013     &cam_lclk,
1014     &clk32k,
1015     &usb_w2fc_mclk,
1016     /* Virtual clocks */
1017     &i2c_fck,
1018     &i2c_ick,
1019
1020     /* OMAP 2 */
1021
1022     &ref_clk,
1023     &apll_96m,
1024     &apll_54m,
1025     &sys_clk,
1026     &sleep_clk,
1027     &dpll_ck,
1028     &dpll_x2_ck,
1029     &wdt1_sys_clk,
1030     &func_96m_clk,
1031     &func_48m_clk,
1032     &func_12m_clk,
1033     &func_54m_clk,
1034     &sys_clkout,
1035     &sys_clkout2,
1036     &core_clk,
1037     &l3_clk,
1038     &core_l4_iclk,
1039     &wu_l4_iclk,
1040     &core_l3_iclk,
1041     &core_l4_usb_clk,
1042     &wu_gpt1_clk,
1043     &wu_32k_clk,
1044     &uart1_fclk,
1045     &uart1_iclk,
1046     &uart2_fclk,
1047     &uart2_iclk,
1048     &uart3_fclk,
1049     &uart3_iclk,
1050     &mpu_fclk,
1051     &mpu_iclk,
1052     &int_m_fclk,
1053     &int_m_iclk,
1054     &core_gpt2_clk,
1055     &core_gpt3_clk,
1056     &core_gpt4_clk,
1057     &core_gpt5_clk,
1058     &core_gpt6_clk,
1059     &core_gpt7_clk,
1060     &core_gpt8_clk,
1061     &core_gpt9_clk,
1062     &core_gpt10_clk,
1063     &core_gpt11_clk,
1064     &core_gpt12_clk,
1065     &mcbsp1_clk,
1066     &mcbsp2_clk,
1067     &emul_clk,
1068     &sdma_fclk,
1069     &sdma_iclk,
1070     &i2c1_fclk,
1071     &i2c1_iclk,
1072     &i2c2_fclk,
1073     &i2c2_iclk,
1074     &gpio_dbclk[0],
1075     &gpio_dbclk[1],
1076     &gpio_dbclk[2],
1077     &gpio_dbclk[3],
1078     &gpio_iclk,
1079     &mmc_fck,
1080     &mmc_ick,
1081     &spi_fclk[0],
1082     &spi_iclk[0],
1083     &spi_fclk[1],
1084     &spi_iclk[1],
1085     &spi_fclk[2],
1086     &spi_iclk[2],
1087     &dss_clk[0],
1088     &dss_clk[1],
1089     &dss_54m_clk,
1090     &dss_l3_iclk,
1091     &dss_l4_iclk,
1092     &omapctrl_clk,
1093
1094     NULL
1095 };
1096
1097 void omap_clk_adduser(struct clk *clk, qemu_irq user)
1098 {
1099     qemu_irq *i;
1100
1101     for (i = clk->users; *i; i ++);
1102     *i = user;
1103 }
1104
1105 struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name)
1106 {
1107     struct clk *i;
1108
1109     for (i = mpu->clks; i->name; i ++)
1110         if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name)))
1111             return i;
1112     hw_error("%s: %s not found\n", __func__, name);
1113 }
1114
1115 void omap_clk_get(struct clk *clk)
1116 {
1117     clk->usecount ++;
1118 }
1119
1120 void omap_clk_put(struct clk *clk)
1121 {
1122     if (!(clk->usecount --))
1123         hw_error("%s: %s is not in use\n", __func__, clk->name);
1124 }
1125
1126 static void omap_clk_update(struct clk *clk)
1127 {
1128     int parent, running;
1129     qemu_irq *user;
1130     struct clk *i;
1131
1132     if (clk->parent)
1133         parent = clk->parent->running;
1134     else
1135         parent = 1;
1136
1137     running = parent && (clk->enabled ||
1138                     ((clk->flags & ALWAYS_ENABLED) && clk->usecount));
1139     if (clk->running != running) {
1140         clk->running = running;
1141         for (user = clk->users; *user; user ++)
1142             qemu_set_irq(*user, running);
1143         for (i = clk->child1; i; i = i->sibling)
1144             omap_clk_update(i);
1145     }
1146 }
1147
1148 static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate,
1149                 unsigned long int div, unsigned long int mult)
1150 {
1151     struct clk *i;
1152     qemu_irq *user;
1153
1154     clk->rate = muldiv64(rate, mult, div);
1155     if (clk->running)
1156         for (user = clk->users; *user; user ++)
1157             qemu_irq_raise(*user);
1158     for (i = clk->child1; i; i = i->sibling)
1159         omap_clk_rate_update_full(i, rate,
1160                         div * i->divisor, mult * i->multiplier);
1161 }
1162
1163 static void omap_clk_rate_update(struct clk *clk)
1164 {
1165     struct clk *i;
1166     unsigned long int div, mult = div = 1;
1167
1168     for (i = clk; i->parent; i = i->parent) {
1169         div *= i->divisor;
1170         mult *= i->multiplier;
1171     }
1172
1173     omap_clk_rate_update_full(clk, i->rate, div, mult);
1174 }
1175
1176 void omap_clk_reparent(struct clk *clk, struct clk *parent)
1177 {
1178     struct clk **p;
1179
1180     if (clk->parent) {
1181         for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling);
1182         *p = clk->sibling;
1183     }
1184
1185     clk->parent = parent;
1186     if (parent) {
1187         clk->sibling = parent->child1;
1188         parent->child1 = clk;
1189         omap_clk_update(clk);
1190         omap_clk_rate_update(clk);
1191     } else
1192         clk->sibling = NULL;
1193 }
1194
1195 void omap_clk_onoff(struct clk *clk, int on)
1196 {
1197     clk->enabled = on;
1198     omap_clk_update(clk);
1199 }
1200
1201 void omap_clk_canidle(struct clk *clk, int can)
1202 {
1203     if (can)
1204         omap_clk_put(clk);
1205     else
1206         omap_clk_get(clk);
1207 }
1208
1209 void omap_clk_setrate(struct clk *clk, int divide, int multiply)
1210 {
1211     clk->divisor = divide;
1212     clk->multiplier = multiply;
1213     omap_clk_rate_update(clk);
1214 }
1215
1216 int64_t omap_clk_getrate(omap_clk clk)
1217 {
1218     return clk->rate;
1219 }
1220
1221 void omap_clk_init(struct omap_mpu_state_s *mpu)
1222 {
1223     struct clk **i, *j, *k;
1224     int count;
1225     int flag;
1226
1227     if (cpu_is_omap310(mpu))
1228         flag = CLOCK_IN_OMAP310;
1229     else if (cpu_is_omap1510(mpu))
1230         flag = CLOCK_IN_OMAP1510;
1231     else if (cpu_is_omap2410(mpu) || cpu_is_omap2420(mpu))
1232         flag = CLOCK_IN_OMAP242X;
1233     else if (cpu_is_omap2430(mpu))
1234         flag = CLOCK_IN_OMAP243X;
1235     else if (cpu_is_omap3430(mpu))
1236         flag = CLOCK_IN_OMAP243X;
1237     else
1238         return;
1239
1240     for (i = onchip_clks, count = 0; *i; i ++)
1241         if ((*i)->flags & flag)
1242             count ++;
1243     mpu->clks = g_new0(struct clk, count + 1);
1244     for (i = onchip_clks, j = mpu->clks; *i; i ++)
1245         if ((*i)->flags & flag) {
1246             memcpy(j, *i, sizeof(struct clk));
1247             for (k = mpu->clks; k < j; k ++)
1248                 if (j->parent && !strcmp(j->parent->name, k->name)) {
1249                     j->parent = k;
1250                     j->sibling = k->child1;
1251                     k->child1 = j;
1252                 } else if (k->parent && !strcmp(k->parent->name, j->name)) {
1253                     k->parent = j;
1254                     k->sibling = j->child1;
1255                     j->child1 = k;
1256                 }
1257             j->divisor = j->divisor ?: 1;
1258             j->multiplier = j->multiplier ?: 1;
1259             j ++;
1260         }
1261     for (j = mpu->clks; count --; j ++) {
1262         omap_clk_update(j);
1263         omap_clk_rate_update(j);
1264     }
1265 }