hw/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 "hw.h"
  22 #include "omap.h"
  23
  24 struct clk {
  25     const char *name;
  26     const char *alias;
  27     struct clk *parent;
  28     struct clk *child1;
  29     struct clk *sibling;
  30 #define ALWAYS_ENABLED          (1 << 0)
  31 #define CLOCK_IN_OMAP310        (1 << 10)
  32 #define CLOCK_IN_OMAP730        (1 << 11)
  33 #define CLOCK_IN_OMAP1510       (1 << 12)
  34 #define CLOCK_IN_OMAP16XX       (1 << 13)
  35 #define CLOCK_IN_OMAP242X       (1 << 14)
  36 #define CLOCK_IN_OMAP243X       (1 << 15)
  37 #define CLOCK_IN_OMAP343X       (1 << 16)
  38     uint32_t flags;
  39     int id;
  40
  41     int running;                /* Is currently ticking */
  42     int enabled;                /* Is enabled, regardless of its input clk */
  43     unsigned long rate;         /* Current rate (if .running) */
  44     unsigned int divisor;       /* Rate relative to input (if .enabled) */
  45     unsigned int multiplier;    /* Rate relative to input (if .enabled) */
  46     qemu_irq users[16];         /* Who to notify on change */
  47     int usecount;               /* Automatically idle when unused */
  48 };
  49
  50 static struct clk xtal_osc12m = {
  51     .name       = "xtal_osc_12m",
  52     .rate       = 12000000,
  53     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
  54 };
  55
  56 static struct clk xtal_osc32k = {
  57     .name       = "xtal_osc_32k",
  58     .rate       = 32768,
  59     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  60             CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
  61 };
  62
  63 static struct clk ck_ref = {
  64     .name       = "ck_ref",
  65     .alias      = "clkin",
  66     .parent     = &xtal_osc12m,
  67     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  68             ALWAYS_ENABLED,
  69 };
  70
  71 /* If a dpll is disabled it becomes a bypass, child clocks don't stop */
  72 static struct clk dpll1 = {
  73     .name       = "dpll1",
  74     .parent     = &ck_ref,
  75     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
  76             ALWAYS_ENABLED,
  77 };
  78
  79 static struct clk dpll2 = {
  80     .name       = "dpll2",
  81     .parent     = &ck_ref,
  82     .flags      = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  83 };
  84
  85 static struct clk dpll3 = {
  86     .name       = "dpll3",
  87     .parent     = &ck_ref,
  88     .flags      = CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
  89 };
  90
  91 static struct clk dpll4 = {
  92     .name       = "dpll4",
  93     .parent     = &ck_ref,
  94     .multiplier = 4,
  95     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
  96 };
  97
  98 static struct clk apll = {
  99     .name       = "apll",
 100     .parent     = &ck_ref,
 101     .multiplier = 48,
 102     .divisor    = 12,
 103     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 104 };
 105
 106 static struct clk ck_48m = {
 107     .name       = "ck_48m",
 108     .parent     = &dpll4,       /* either dpll4 or apll */
 109     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 110 };
 111
 112 static struct clk ck_dpll1out = {
 113     .name       = "ck_dpll1out",
 114     .parent     = &dpll1,
 115     .flags      = CLOCK_IN_OMAP16XX,
 116 };
 117
 118 static struct clk sossi_ck = {
 119     .name       = "ck_sossi",
 120     .parent     = &ck_dpll1out,
 121     .flags      = CLOCK_IN_OMAP16XX,
 122 };
 123
 124 static struct clk clkm1 = {
 125     .name       = "clkm1",
 126     .alias      = "ck_gen1",
 127     .parent     = &dpll1,
 128     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 129             ALWAYS_ENABLED,
 130 };
 131
 132 static struct clk clkm2 = {
 133     .name       = "clkm2",
 134     .alias      = "ck_gen2",
 135     .parent     = &dpll1,
 136     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 137             ALWAYS_ENABLED,
 138 };
 139
 140 static struct clk clkm3 = {
 141     .name       = "clkm3",
 142     .alias      = "ck_gen3",
 143     .parent     = &dpll1,       /* either dpll1 or ck_ref */
 144     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 145             ALWAYS_ENABLED,
 146 };
 147
 148 static struct clk arm_ck = {
 149     .name       = "arm_ck",
 150     .alias      = "mpu_ck",
 151     .parent     = &clkm1,
 152     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 153             ALWAYS_ENABLED,
 154 };
 155
 156 static struct clk armper_ck = {
 157     .name       = "armper_ck",
 158     .alias      = "mpuper_ck",
 159     .parent     = &clkm1,
 160     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 161 };
 162
 163 static struct clk arm_gpio_ck = {
 164     .name       = "arm_gpio_ck",
 165     .alias      = "mpu_gpio_ck",
 166     .parent     = &clkm1,
 167     .divisor    = 1,
 168     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 169 };
 170
 171 static struct clk armxor_ck = {
 172     .name       = "armxor_ck",
 173     .alias      = "mpuxor_ck",
 174     .parent     = &ck_ref,
 175     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 176 };
 177
 178 static struct clk armtim_ck = {
 179     .name       = "armtim_ck",
 180     .alias      = "mputim_ck",
 181     .parent     = &ck_ref,      /* either CLKIN or DPLL1 */
 182     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 183 };
 184
 185 static struct clk armwdt_ck = {
 186     .name       = "armwdt_ck",
 187     .alias      = "mpuwd_ck",
 188     .parent     = &clkm1,
 189     .divisor    = 14,
 190     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 191             ALWAYS_ENABLED,
 192 };
 193
 194 static struct clk arminth_ck16xx = {
 195     .name       = "arminth_ck",
 196     .parent     = &arm_ck,
 197     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 198     /* Note: On 16xx the frequency can be divided by 2 by programming
 199      * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
 200      *
 201      * 1510 version is in TC clocks.
 202      */
 203 };
 204
 205 static struct clk dsp_ck = {
 206     .name       = "dsp_ck",
 207     .parent     = &clkm2,
 208     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 209 };
 210
 211 static struct clk dspmmu_ck = {
 212     .name       = "dspmmu_ck",
 213     .parent     = &clkm2,
 214     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 215             ALWAYS_ENABLED,
 216 };
 217
 218 static struct clk dspper_ck = {
 219     .name       = "dspper_ck",
 220     .parent     = &clkm2,
 221     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 222 };
 223
 224 static struct clk dspxor_ck = {
 225     .name       = "dspxor_ck",
 226     .parent     = &ck_ref,
 227     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 228 };
 229
 230 static struct clk dsptim_ck = {
 231     .name       = "dsptim_ck",
 232     .parent     = &ck_ref,
 233     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 234 };
 235
 236 static struct clk tc_ck = {
 237     .name       = "tc_ck",
 238     .parent     = &clkm3,
 239     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 240             CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 |
 241             ALWAYS_ENABLED,
 242 };
 243
 244 static struct clk arminth_ck15xx = {
 245     .name       = "arminth_ck",
 246     .parent     = &tc_ck,
 247     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 248     /* Note: On 1510 the frequency follows TC_CK
 249      *
 250      * 16xx version is in MPU clocks.
 251      */
 252 };
 253
 254 static struct clk tipb_ck = {
 255     /* No-idle controlled by "tc_ck" */
 256     .name       = "tipb_ck",
 257     .parent     = &tc_ck,
 258     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 259 };
 260
 261 static struct clk l3_ocpi_ck = {
 262     /* No-idle controlled by "tc_ck" */
 263     .name       = "l3_ocpi_ck",
 264     .parent     = &tc_ck,
 265     .flags      = CLOCK_IN_OMAP16XX,
 266 };
 267
 268 static struct clk tc1_ck = {
 269     .name       = "tc1_ck",
 270     .parent     = &tc_ck,
 271     .flags      = CLOCK_IN_OMAP16XX,
 272 };
 273
 274 static struct clk tc2_ck = {
 275     .name       = "tc2_ck",
 276     .parent     = &tc_ck,
 277     .flags      = CLOCK_IN_OMAP16XX,
 278 };
 279
 280 static struct clk dma_ck = {
 281     /* No-idle controlled by "tc_ck" */
 282     .name       = "dma_ck",
 283     .parent     = &tc_ck,
 284     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 285             ALWAYS_ENABLED,
 286 };
 287
 288 static struct clk dma_lcdfree_ck = {
 289     .name       = "dma_lcdfree_ck",
 290     .parent     = &tc_ck,
 291     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 292 };
 293
 294 static struct clk api_ck = {
 295     .name       = "api_ck",
 296     .alias      = "mpui_ck",
 297     .parent     = &tc_ck,
 298     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 299 };
 300
 301 static struct clk lb_ck = {
 302     .name       = "lb_ck",
 303     .parent     = &tc_ck,
 304     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 305 };
 306
 307 static struct clk lbfree_ck = {
 308     .name       = "lbfree_ck",
 309     .parent     = &tc_ck,
 310     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 311 };
 312
 313 static struct clk hsab_ck = {
 314     .name       = "hsab_ck",
 315     .parent     = &tc_ck,
 316     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 317 };
 318
 319 static struct clk rhea1_ck = {
 320     .name       = "rhea1_ck",
 321     .parent     = &tc_ck,
 322     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 323 };
 324
 325 static struct clk rhea2_ck = {
 326     .name       = "rhea2_ck",
 327     .parent     = &tc_ck,
 328     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 329 };
 330
 331 static struct clk lcd_ck_16xx = {
 332     .name       = "lcd_ck",
 333     .parent     = &clkm3,
 334     .flags      = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730,
 335 };
 336
 337 static struct clk lcd_ck_1510 = {
 338     .name       = "lcd_ck",
 339     .parent     = &clkm3,
 340     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 341 };
 342
 343 static struct clk uart1_1510 = {
 344     .name       = "uart1_ck",
 345     /* Direct from ULPD, no real parent */
 346     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 347     .rate       = 12000000,
 348     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 349 };
 350
 351 static struct clk uart1_16xx = {
 352     .name       = "uart1_ck",
 353     /* Direct from ULPD, no real parent */
 354     .parent     = &armper_ck,
 355     .rate       = 48000000,
 356     .flags      = CLOCK_IN_OMAP16XX,
 357 };
 358
 359 static struct clk uart2_ck = {
 360     .name       = "uart2_ck",
 361     /* Direct from ULPD, no real parent */
 362     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 363     .rate       = 12000000,
 364     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 |
 365             ALWAYS_ENABLED,
 366 };
 367
 368 static struct clk uart3_1510 = {
 369     .name       = "uart3_ck",
 370     /* Direct from ULPD, no real parent */
 371     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 372     .rate       = 12000000,
 373     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED,
 374 };
 375
 376 static struct clk uart3_16xx = {
 377     .name       = "uart3_ck",
 378     /* Direct from ULPD, no real parent */
 379     .parent     = &armper_ck,
 380     .rate       = 48000000,
 381     .flags      = CLOCK_IN_OMAP16XX,
 382 };
 383
 384 static struct clk usb_clk0 = {  /* 6 MHz output on W4_USB_CLK0 */
 385     .name       = "usb_clk0",
 386     .alias      = "usb.clko",
 387     /* Direct from ULPD, no parent */
 388     .rate       = 6000000,
 389     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 390 };
 391
 392 static struct clk usb_hhc_ck1510 = {
 393     .name       = "usb_hhc_ck",
 394     /* Direct from ULPD, no parent */
 395     .rate       = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */
 396     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310,
 397 };
 398
 399 static struct clk usb_hhc_ck16xx = {
 400     .name       = "usb_hhc_ck",
 401     /* Direct from ULPD, no parent */
 402     .rate       = 48000000,
 403     /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
 404     .flags      = CLOCK_IN_OMAP16XX,
 405 };
 406
 407 static struct clk usb_w2fc_mclk = {
 408     .name       = "usb_w2fc_mclk",
 409     .alias      = "usb_w2fc_ck",
 410     .parent     = &ck_48m,
 411     .rate       = 48000000,
 412     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 413 };
 414
 415 static struct clk mclk_1510 = {
 416     .name       = "mclk",
 417     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 418     .rate       = 12000000,
 419     .flags      = CLOCK_IN_OMAP1510,
 420 };
 421
 422 static struct clk bclk_310 = {
 423     .name       = "bt_mclk_out",        /* Alias midi_mclk_out? */
 424     .parent     = &armper_ck,
 425     .flags      = CLOCK_IN_OMAP310,
 426 };
 427
 428 static struct clk mclk_310 = {
 429     .name       = "com_mclk_out",
 430     .parent     = &armper_ck,
 431     .flags      = CLOCK_IN_OMAP310,
 432 };
 433
 434 static struct clk mclk_16xx = {
 435     .name       = "mclk",
 436     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 437     .flags      = CLOCK_IN_OMAP16XX,
 438 };
 439
 440 static struct clk bclk_1510 = {
 441     .name       = "bclk",
 442     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 443     .rate       = 12000000,
 444     .flags      = CLOCK_IN_OMAP1510,
 445 };
 446
 447 static struct clk bclk_16xx = {
 448     .name       = "bclk",
 449     /* Direct from ULPD, no parent. May be enabled by ext hardware. */
 450     .flags      = CLOCK_IN_OMAP16XX,
 451 };
 452
 453 static struct clk mmc1_ck = {
 454     .name       = "mmc_ck",
 455     .id         = 1,
 456     /* Functional clock is direct from ULPD, interface clock is ARMPER */
 457     .parent     = &armper_ck,   /* either armper_ck or dpll4 */
 458     .rate       = 48000000,
 459     .flags      = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310,
 460 };
 461
 462 static struct clk mmc2_ck = {
 463     .name       = "mmc_ck",
 464     .id         = 2,
 465     /* Functional clock is direct from ULPD, interface clock is ARMPER */
 466     .parent     = &armper_ck,
 467     .rate       = 48000000,
 468     .flags      = CLOCK_IN_OMAP16XX,
 469 };
 470
 471 static struct clk cam_mclk = {
 472     .name       = "cam.mclk",
 473     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 474     .rate       = 12000000,
 475 };
 476
 477 static struct clk cam_exclk = {
 478     .name       = "cam.exclk",
 479     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 480     /* Either 12M from cam.mclk or 48M from dpll4 */
 481     .parent     = &cam_mclk,
 482 };
 483
 484 static struct clk cam_lclk = {
 485     .name       = "cam.lclk",
 486     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX,
 487 };
 488
 489 static struct clk i2c_fck = {
 490     .name       = "i2c_fck",
 491     .id         = 1,
 492     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 493             ALWAYS_ENABLED,
 494     .parent     = &armxor_ck,
 495 };
 496
 497 static struct clk i2c_ick = {
 498     .name       = "i2c_ick",
 499     .id         = 1,
 500     .flags      = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED,
 501     .parent     = &armper_ck,
 502 };
 503
 504 static struct clk clk32k = {
 505     .name       = "clk32-kHz",
 506     .flags      = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX |
 507             CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 508     .parent     = &xtal_osc32k,
 509 };
 510
 511 static struct clk ref_clk = {
 512     .name       = "ref_clk",
 513     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 514     .rate       = 12000000,     /* 12 MHz or 13 MHz or 19.2 MHz */
 515     /*.parent   = sys.xtalin */
 516 };
 517
 518 static struct clk apll_96m = {
 519     .name       = "apll_96m",
 520     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 521     .rate       = 96000000,
 522     /*.parent   = ref_clk */
 523 };
 524
 525 static struct clk apll_54m = {
 526     .name       = "apll_54m",
 527     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 528     .rate       = 54000000,
 529     /*.parent   = ref_clk */
 530 };
 531
 532 static struct clk sys_clk = {
 533     .name       = "sys_clk",
 534     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 535     .rate       = 32768,
 536     /*.parent   = sys.xtalin */
 537 };
 538
 539 static struct clk sleep_clk = {
 540     .name       = "sleep_clk",
 541     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 542     .rate       = 32768,
 543     /*.parent   = sys.xtalin */
 544 };
 545
 546 static struct clk dpll_ck = {
 547     .name       = "dpll",
 548     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 549     .parent     = &ref_clk,
 550 };
 551
 552 static struct clk dpll_x2_ck = {
 553     .name       = "dpll_x2",
 554     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 555     .parent     = &ref_clk,
 556 };
 557
 558 static struct clk wdt1_sys_clk = {
 559     .name       = "wdt1_sys_clk",
 560     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED,
 561     .rate       = 32768,
 562     /*.parent   = sys.xtalin */
 563 };
 564
 565 static struct clk func_96m_clk = {
 566     .name       = "func_96m_clk",
 567     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 568     .divisor    = 1,
 569     .parent     = &apll_96m,
 570 };
 571
 572 static struct clk func_48m_clk = {
 573     .name       = "func_48m_clk",
 574     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 575     .divisor    = 2,
 576     .parent     = &apll_96m,
 577 };
 578
 579 static struct clk func_12m_clk = {
 580     .name       = "func_12m_clk",
 581     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 582     .divisor    = 8,
 583     .parent     = &apll_96m,
 584 };
 585
 586 static struct clk func_54m_clk = {
 587     .name       = "func_54m_clk",
 588     .flags      = CLOCK_IN_OMAP242X,
 589     .divisor    = 1,
 590     .parent     = &apll_54m,
 591 };
 592
 593 static struct clk sys_clkout = {
 594     .name       = "clkout",
 595     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 596     .parent     = &sys_clk,
 597 };
 598
 599 static struct clk sys_clkout2 = {
 600     .name       = "clkout2",
 601     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 602     .parent     = &sys_clk,
 603 };
 604
 605 static struct clk core_clk = {
 606     .name       = "core_clk",
 607     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 608     .parent     = &dpll_x2_ck,  /* Switchable between dpll_ck and clk32k */
 609 };
 610
 611 static struct clk l3_clk = {
 612     .name       = "l3_clk",
 613     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 614     .parent     = &core_clk,
 615 };
 616
 617 static struct clk core_l4_iclk = {
 618     .name       = "core_l4_iclk",
 619     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 620     .parent     = &l3_clk,
 621 };
 622
 623 static struct clk wu_l4_iclk = {
 624     .name       = "wu_l4_iclk",
 625     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 626     .parent     = &l3_clk,
 627 };
 628
 629 static struct clk core_l3_iclk = {
 630     .name       = "core_l3_iclk",
 631     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 632     .parent     = &core_clk,
 633 };
 634
 635 static struct clk core_l4_usb_clk = {
 636     .name       = "core_l4_usb_clk",
 637     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 638     .parent     = &l3_clk,
 639 };
 640
 641 static struct clk wu_gpt1_clk = {
 642     .name       = "wu_gpt1_clk",
 643     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 644     .parent     = &sys_clk,
 645 };
 646
 647 static struct clk wu_32k_clk = {
 648     .name       = "wu_32k_clk",
 649     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 650     .parent     = &sys_clk,
 651 };
 652
 653 static struct clk uart1_fclk = {
 654     .name       = "uart1_fclk",
 655     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 656     .parent     = &func_48m_clk,
 657 };
 658
 659 static struct clk uart1_iclk = {
 660     .name       = "uart1_iclk",
 661     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 662     .parent     = &core_l4_iclk,
 663 };
 664
 665 static struct clk uart2_fclk = {
 666     .name       = "uart2_fclk",
 667     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 668     .parent     = &func_48m_clk,
 669 };
 670
 671 static struct clk uart2_iclk = {
 672     .name       = "uart2_iclk",
 673     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 674     .parent     = &core_l4_iclk,
 675 };
 676
 677 static struct clk uart3_fclk = {
 678     .name       = "uart3_fclk",
 679     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 680     .parent     = &func_48m_clk,
 681 };
 682
 683 static struct clk uart3_iclk = {
 684     .name       = "uart3_iclk",
 685     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 686     .parent     = &core_l4_iclk,
 687 };
 688
 689 static struct clk mpu_fclk = {
 690     .name       = "mpu_fclk",
 691     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 692     .parent     = &core_clk,
 693 };
 694
 695 static struct clk mpu_iclk = {
 696     .name       = "mpu_iclk",
 697     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 698     .parent     = &core_clk,
 699 };
 700
 701 static struct clk int_m_fclk = {
 702     .name       = "int_m_fclk",
 703     .alias      = "mpu_intc_fclk",
 704     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 705     .parent     = &core_clk,
 706 };
 707
 708 static struct clk int_m_iclk = {
 709     .name       = "int_m_iclk",
 710     .alias      = "mpu_intc_iclk",
 711     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 712     .parent     = &core_clk,
 713 };
 714
 715 static struct clk core_gpt2_clk = {
 716     .name       = "core_gpt2_clk",
 717     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 718     .parent     = &sys_clk,
 719 };
 720
 721 static struct clk core_gpt3_clk = {
 722     .name       = "core_gpt3_clk",
 723     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 724     .parent     = &sys_clk,
 725 };
 726
 727 static struct clk core_gpt4_clk = {
 728     .name       = "core_gpt4_clk",
 729     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 730     .parent     = &sys_clk,
 731 };
 732
 733 static struct clk core_gpt5_clk = {
 734     .name       = "core_gpt5_clk",
 735     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 736     .parent     = &sys_clk,
 737 };
 738
 739 static struct clk core_gpt6_clk = {
 740     .name       = "core_gpt6_clk",
 741     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 742     .parent     = &sys_clk,
 743 };
 744
 745 static struct clk core_gpt7_clk = {
 746     .name       = "core_gpt7_clk",
 747     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 748     .parent     = &sys_clk,
 749 };
 750
 751 static struct clk core_gpt8_clk = {
 752     .name       = "core_gpt8_clk",
 753     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 754     .parent     = &sys_clk,
 755 };
 756
 757 static struct clk core_gpt9_clk = {
 758     .name       = "core_gpt9_clk",
 759     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 760     .parent     = &sys_clk,
 761 };
 762
 763 static struct clk core_gpt10_clk = {
 764     .name       = "core_gpt10_clk",
 765     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 766     .parent     = &sys_clk,
 767 };
 768
 769 static struct clk core_gpt11_clk = {
 770     .name       = "core_gpt11_clk",
 771     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 772     .parent     = &sys_clk,
 773 };
 774
 775 static struct clk core_gpt12_clk = {
 776     .name       = "core_gpt12_clk",
 777     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 778     .parent     = &sys_clk,
 779 };
 780
 781 static struct clk mcbsp1_clk = {
 782     .name       = "mcbsp1_cg",
 783     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 784     .divisor    = 2,
 785     .parent     = &func_96m_clk,
 786 };
 787
 788 static struct clk mcbsp2_clk = {
 789     .name       = "mcbsp2_cg",
 790     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 791     .divisor    = 2,
 792     .parent     = &func_96m_clk,
 793 };
 794
 795 static struct clk emul_clk = {
 796     .name       = "emul_ck",
 797     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 798     .parent     = &func_54m_clk,
 799 };
 800
 801 static struct clk sdma_fclk = {
 802     .name       = "sdma_fclk",
 803     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 804     .parent     = &l3_clk,
 805 };
 806
 807 static struct clk sdma_iclk = {
 808     .name       = "sdma_iclk",
 809     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 810     .parent     = &core_l3_iclk, /* core_l4_iclk for the configuration port */
 811 };
 812
 813 static struct clk i2c1_fclk = {
 814     .name       = "i2c1.fclk",
 815     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 816     .parent     = &func_12m_clk,
 817     .divisor    = 1,
 818 };
 819
 820 static struct clk i2c1_iclk = {
 821     .name       = "i2c1.iclk",
 822     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 823     .parent     = &core_l4_iclk,
 824 };
 825
 826 static struct clk i2c2_fclk = {
 827     .name       = "i2c2.fclk",
 828     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 829     .parent     = &func_12m_clk,
 830     .divisor    = 1,
 831 };
 832
 833 static struct clk i2c2_iclk = {
 834     .name       = "i2c2.iclk",
 835     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 836     .parent     = &core_l4_iclk,
 837 };
 838
 839 static struct clk gpio_dbclk[4] = {
 840     {
 841         .name   = "gpio1_dbclk",
 842         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 843         .parent = &wu_32k_clk,
 844     }, {
 845         .name   = "gpio2_dbclk",
 846         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 847         .parent = &wu_32k_clk,
 848     }, {
 849         .name   = "gpio3_dbclk",
 850         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 851         .parent = &wu_32k_clk,
 852     }, {
 853         .name   = "gpio4_dbclk",
 854         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 855         .parent = &wu_32k_clk,
 856     },
 857 };
 858
 859 static struct clk gpio_iclk = {
 860     .name       = "gpio_iclk",
 861     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 862     .parent     = &wu_l4_iclk,
 863 };
 864
 865 static struct clk mmc_fck = {
 866     .name       = "mmc_fclk",
 867     .flags      = CLOCK_IN_OMAP242X,
 868     .parent     = &func_96m_clk,
 869 };
 870
 871 static struct clk mmc_ick = {
 872     .name       = "mmc_iclk",
 873     .flags      = CLOCK_IN_OMAP242X,
 874     .parent     = &core_l4_iclk,
 875 };
 876
 877 static struct clk spi_fclk[3] = {
 878     {
 879         .name   = "spi1_fclk",
 880         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 881         .parent = &func_48m_clk,
 882     }, {
 883         .name   = "spi2_fclk",
 884         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 885         .parent = &func_48m_clk,
 886     }, {
 887         .name   = "spi3_fclk",
 888         .flags  = CLOCK_IN_OMAP243X,
 889         .parent = &func_48m_clk,
 890     },
 891 };
 892
 893 static struct clk dss_clk[2] = {
 894     {
 895         .name   = "dss_clk1",
 896         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 897         .parent = &core_clk,
 898     }, {
 899         .name   = "dss_clk2",
 900         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 901         .parent = &sys_clk,
 902     },
 903 };
 904
 905 static struct clk dss_54m_clk = {
 906     .name       = "dss_54m_clk",
 907     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 908     .parent     = &func_54m_clk,
 909 };
 910
 911 static struct clk dss_l3_iclk = {
 912     .name       = "dss_l3_iclk",
 913     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 914     .parent     = &core_l3_iclk,
 915 };
 916
 917 static struct clk dss_l4_iclk = {
 918     .name       = "dss_l4_iclk",
 919     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 920     .parent     = &core_l4_iclk,
 921 };
 922
 923 static struct clk spi_iclk[3] = {
 924     {
 925         .name   = "spi1_iclk",
 926         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 927         .parent = &core_l4_iclk,
 928     }, {
 929         .name   = "spi2_iclk",
 930         .flags  = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 931         .parent = &core_l4_iclk,
 932     }, {
 933         .name   = "spi3_iclk",
 934         .flags  = CLOCK_IN_OMAP243X,
 935         .parent = &core_l4_iclk,
 936     },
 937 };
 938
 939 static struct clk omapctrl_clk = {
 940     .name       = "omapctrl_iclk",
 941     .flags      = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X,
 942     /* XXX Should be in WKUP domain */
 943     .parent     = &core_l4_iclk,
 944 };
 945
 946 static struct clk *onchip_clks[] = {
 947     /* OMAP 1 */
 948
 949     /* non-ULPD clocks */
 950     &xtal_osc12m,
 951     &xtal_osc32k,
 952     &ck_ref,
 953     &dpll1,
 954     &dpll2,
 955     &dpll3,
 956     &dpll4,
 957     &apll,
 958     &ck_48m,
 959     /* CK_GEN1 clocks */
 960     &clkm1,
 961     &ck_dpll1out,
 962     &sossi_ck,
 963     &arm_ck,
 964     &armper_ck,
 965     &arm_gpio_ck,
 966     &armxor_ck,
 967     &armtim_ck,
 968     &armwdt_ck,
 969     &arminth_ck15xx,  &arminth_ck16xx,
 970     /* CK_GEN2 clocks */
 971     &clkm2,
 972     &dsp_ck,
 973     &dspmmu_ck,
 974     &dspper_ck,
 975     &dspxor_ck,
 976     &dsptim_ck,
 977     /* CK_GEN3 clocks */
 978     &clkm3,
 979     &tc_ck,
 980     &tipb_ck,
 981     &l3_ocpi_ck,
 982     &tc1_ck,
 983     &tc2_ck,
 984     &dma_ck,
 985     &dma_lcdfree_ck,
 986     &api_ck,
 987     &lb_ck,
 988     &lbfree_ck,
 989     &hsab_ck,
 990     &rhea1_ck,
 991     &rhea2_ck,
 992     &lcd_ck_16xx,
 993     &lcd_ck_1510,
 994     /* ULPD clocks */
 995     &uart1_1510,
 996     &uart1_16xx,
 997     &uart2_ck,
 998     &uart3_1510,
 999     &uart3_16xx,
1000     &usb_clk0,
1001     &usb_hhc_ck1510, &usb_hhc_ck16xx,
1002     &mclk_1510,  &mclk_16xx, &mclk_310,
1003     &bclk_1510,  &bclk_16xx, &bclk_310,
1004     &mmc1_ck,
1005     &mmc2_ck,
1006     &cam_mclk,
1007     &cam_exclk,
1008     &cam_lclk,
1009     &clk32k,
1010     &usb_w2fc_mclk,
1011     /* Virtual clocks */
1012     &i2c_fck,
1013     &i2c_ick,
1014
1015     /* OMAP 2 */
1016
1017     &ref_clk,
1018     &apll_96m,
1019     &apll_54m,
1020     &sys_clk,
1021     &sleep_clk,
1022     &dpll_ck,
1023     &dpll_x2_ck,
1024     &wdt1_sys_clk,
1025     &func_96m_clk,
1026     &func_48m_clk,
1027     &func_12m_clk,
1028     &func_54m_clk,
1029     &sys_clkout,
1030     &sys_clkout2,
1031     &core_clk,
1032     &l3_clk,
1033     &core_l4_iclk,
1034     &wu_l4_iclk,
1035     &core_l3_iclk,
1036     &core_l4_usb_clk,
1037     &wu_gpt1_clk,
1038     &wu_32k_clk,
1039     &uart1_fclk,
1040     &uart1_iclk,
1041     &uart2_fclk,
1042     &uart2_iclk,
1043     &uart3_fclk,
1044     &uart3_iclk,
1045     &mpu_fclk,
1046     &mpu_iclk,
1047     &int_m_fclk,
1048     &int_m_iclk,
1049     &core_gpt2_clk,
1050     &core_gpt3_clk,
1051     &core_gpt4_clk,
1052     &core_gpt5_clk,
1053     &core_gpt6_clk,
1054     &core_gpt7_clk,
1055     &core_gpt8_clk,
1056     &core_gpt9_clk,
1057     &core_gpt10_clk,
1058     &core_gpt11_clk,
1059     &core_gpt12_clk,
1060     &mcbsp1_clk,
1061     &mcbsp2_clk,
1062     &emul_clk,
1063     &sdma_fclk,
1064     &sdma_iclk,
1065     &i2c1_fclk,
1066     &i2c1_iclk,
1067     &i2c2_fclk,
1068     &i2c2_iclk,
1069     &gpio_dbclk[0],
1070     &gpio_dbclk[1],
1071     &gpio_dbclk[2],
1072     &gpio_dbclk[3],
1073     &gpio_iclk,
1074     &mmc_fck,
1075     &mmc_ick,
1076     &spi_fclk[0],
1077     &spi_iclk[0],
1078     &spi_fclk[1],
1079     &spi_iclk[1],
1080     &spi_fclk[2],
1081     &spi_iclk[2],
1082     &dss_clk[0],
1083     &dss_clk[1],
1084     &dss_54m_clk,
1085     &dss_l3_iclk,
1086     &dss_l4_iclk,
1087     &omapctrl_clk,
1088
1089     NULL
1090 };
1091
1092 void omap_clk_adduser(struct clk *clk, qemu_irq user)
1093 {
1094     qemu_irq *i;
1095
1096     for (i = clk->users; *i; i ++);
1097     *i = user;
1098 }
1099
1100 struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name)
1101 {
1102     struct clk *i;
1103
1104     for (i = mpu->clks; i->name; i ++)
1105         if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name)))
1106             return i;
1107     hw_error("%s: %s not found\n", __FUNCTION__, name);
1108 }
1109
1110 void omap_clk_get(struct clk *clk)
1111 {
1112     clk->usecount ++;
1113 }
1114
1115 void omap_clk_put(struct clk *clk)
1116 {
1117     if (!(clk->usecount --))
1118         hw_error("%s: %s is not in use\n", __FUNCTION__, clk->name);
1119 }
1120
1121 static void omap_clk_update(struct clk *clk)
1122 {
1123     int parent, running;
1124     qemu_irq *user;
1125     struct clk *i;
1126
1127     if (clk->parent)
1128         parent = clk->parent->running;
1129     else
1130         parent = 1;
1131
1132     running = parent && (clk->enabled ||
1133                     ((clk->flags & ALWAYS_ENABLED) && clk->usecount));
1134     if (clk->running != running) {
1135         clk->running = running;
1136         for (user = clk->users; *user; user ++)
1137             qemu_set_irq(*user, running);
1138         for (i = clk->child1; i; i = i->sibling)
1139             omap_clk_update(i);
1140     }
1141 }
1142
1143 static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate,
1144                 unsigned long int div, unsigned long int mult)
1145 {
1146     struct clk *i;
1147     qemu_irq *user;
1148
1149     clk->rate = muldiv64(rate, mult, div);
1150     if (clk->running)
1151         for (user = clk->users; *user; user ++)
1152             qemu_irq_raise(*user);
1153     for (i = clk->child1; i; i = i->sibling)
1154         omap_clk_rate_update_full(i, rate,
1155                         div * i->divisor, mult * i->multiplier);
1156 }
1157
1158 static void omap_clk_rate_update(struct clk *clk)
1159 {
1160     struct clk *i;
1161     unsigned long int div, mult = div = 1;
1162
1163     for (i = clk; i->parent; i = i->parent) {
1164         div *= i->divisor;
1165         mult *= i->multiplier;
1166     }
1167
1168     omap_clk_rate_update_full(clk, i->rate, div, mult);
1169 }
1170
1171 void omap_clk_reparent(struct clk *clk, struct clk *parent)
1172 {
1173     struct clk **p;
1174
1175     if (clk->parent) {
1176         for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling);
1177         *p = clk->sibling;
1178     }
1179
1180     clk->parent = parent;
1181     if (parent) {
1182         clk->sibling = parent->child1;
1183         parent->child1 = clk;
1184         omap_clk_update(clk);
1185         omap_clk_rate_update(clk);
1186     } else
1187         clk->sibling = NULL;
1188 }
1189
1190 void omap_clk_onoff(struct clk *clk, int on)
1191 {
1192     clk->enabled = on;
1193     omap_clk_update(clk);
1194 }
1195
1196 void omap_clk_canidle(struct clk *clk, int can)
1197 {
1198     if (can)
1199         omap_clk_put(clk);
1200     else
1201         omap_clk_get(clk);
1202 }
1203
1204 void omap_clk_setrate(struct clk *clk, int divide, int multiply)
1205 {
1206     clk->divisor = divide;
1207     clk->multiplier = multiply;
1208     omap_clk_rate_update(clk);
1209 }
1210
1211 int64_t omap_clk_getrate(omap_clk clk)
1212 {
1213     return clk->rate;
1214 }
1215
1216 void omap_clk_init(struct omap_mpu_state_s *mpu)
1217 {
1218     struct clk **i, *j, *k;
1219     int count;
1220     int flag;
1221
1222     if (cpu_is_omap310(mpu))
1223         flag = CLOCK_IN_OMAP310;
1224     else if (cpu_is_omap1510(mpu))
1225         flag = CLOCK_IN_OMAP1510;
1226     else if (cpu_is_omap2410(mpu) || cpu_is_omap2420(mpu))
1227         flag = CLOCK_IN_OMAP242X;
1228     else if (cpu_is_omap2430(mpu))
1229         flag = CLOCK_IN_OMAP243X;
1230     else if (cpu_is_omap3430(mpu))
1231         flag = CLOCK_IN_OMAP243X;
1232     else
1233         return;
1234
1235     for (i = onchip_clks, count = 0; *i; i ++)
1236         if ((*i)->flags & flag)
1237             count ++;
1238     mpu->clks = (struct clk *) qemu_mallocz(sizeof(struct clk) * (count + 1));
1239     for (i = onchip_clks, j = mpu->clks; *i; i ++)
1240         if ((*i)->flags & flag) {
1241             memcpy(j, *i, sizeof(struct clk));
1242             for (k = mpu->clks; k < j; k ++)
1243                 if (j->parent && !strcmp(j->parent->name, k->name)) {
1244                     j->parent = k;
1245                     j->sibling = k->child1;
1246                     k->child1 = j;
1247                 } else if (k->parent && !strcmp(k->parent->name, j->name)) {
1248                     k->parent = j;
1249                     k->sibling = j->child1;
1250                     j->child1 = k;
1251                 }
1252             j->divisor = j->divisor ?: 1;
1253             j->multiplier = j->multiplier ?: 1;
1254             j ++;
1255         }
1256     for (j = mpu->clks; count --; j ++) {
1257         omap_clk_update(j);
1258         omap_clk_rate_update(j);
1259     }
1260 }