arch/ppc/8xx_io/micropatch.c

   1
   2 /* Microcode patches for the CPM as supplied by Motorola.
   3  * This is the one for IIC/SPI.  There is a newer one that
   4  * also relocates SMC2, but this would require additional changes
   5  * to uart.c, so I am holding off on that for a moment.
   6  */
   7 #include <linux/config.h>
   8 #include <linux/errno.h>
   9 #include <linux/sched.h>
  10 #include <linux/kernel.h>
  11 #include <linux/param.h>
  12 #include <linux/string.h>
  13 #include <linux/mm.h>
  14 #include <linux/interrupt.h>
  15 #include <asm/irq.h>
  16 #include <asm/mpc8xx.h>
  17 #include <asm/page.h>
  18 #include <asm/pgtable.h>
  19 #include <asm/8xx_immap.h>
  20 #include <asm/commproc.h>
  21
  22 /* Define this to get SMC patches as well.  You need to modify the uart
  23  * driver as well......
  24 #define USE_SMC_PATCH 1
  25  */
  26
  27 #ifdef CONFIG_USB_MPC8xx
  28 #define USE_USB_SOF_PATCH
  29 #endif
  30
  31 #ifdef USE_IIC_PATCH
  32 #define PATCH_DEFINED
  33         /* IIC/SPI */
  34 uint patch_2000[] = {
  35         0x7FFFEFD9,
  36         0x3FFD0000,
  37         0x7FFB49F7,
  38         0x7FF90000,
  39         0x5FEFADF7,
  40         0x5F89ADF7,
  41         0x5FEFAFF7,
  42         0x5F89AFF7,
  43         0x3A9CFBC8,
  44         0xE7C0EDF0,
  45         0x77C1E1BB,
  46         0xF4DC7F1D,
  47         0xABAD932F,
  48         0x4E08FDCF,
  49         0x6E0FAFF8,
  50         0x7CCF76CF,
  51         0xFD1FF9CF,
  52         0xABF88DC6,
  53         0xAB5679F7,
  54         0xB0937383,
  55         0xDFCE79F7,
  56         0xB091E6BB,
  57         0xE5BBE74F,
  58         0xB3FA6F0F,
  59         0x6FFB76CE,
  60         0xEE0DF9CF,
  61         0x2BFBEFEF,
  62         0xCFEEF9CF,
  63         0x76CEAD24,
  64         0x90B2DF9A,
  65         0x7FDDD0BF,
  66         0x4BF847FD,
  67         0x7CCF76CE,
  68         0xCFEF7E1F,
  69         0x7F1D7DFD,
  70         0xF0B6EF71,
  71         0x7FC177C1,
  72         0xFBC86079,
  73         0xE722FBC8,
  74         0x5FFFDFFF,
  75         0x5FB2FFFB,
  76         0xFBC8F3C8,
  77         0x94A67F01,
  78         0x7F1D5F39,
  79         0xAFE85F5E,
  80         0xFFDFDF96,
  81         0xCB9FAF7D,
  82         0x5FC1AFED,
  83         0x8C1C5FC1,
  84         0xAFDD5FC3,
  85         0xDF9A7EFD,
  86         0xB0B25FB2,
  87         0xFFFEABAD,
  88         0x5FB2FFFE,
  89         0x5FCE600B,
  90         0xE6BB600B,
  91         0x5FCEDFC6,
  92         0x27FBEFDF,
  93         0x5FC8CFDE,
  94         0x3A9CE7C0,
  95         0xEDF0F3C8,
  96         0x7F0154CD,
  97         0x7F1D2D3D,
  98         0x363A7570,
  99         0x7E0AF1CE,
 100         0x37EF2E68,
 101         0x7FEE10EC,
 102         0xADF8EFDE,
 103         0xCFEAE52F,
 104         0x7D0FE12B,
 105         0xF1CE5F65,
 106         0x7E0A4DF8,
 107         0xCFEA5F72,
 108         0x7D0BEFEE,
 109         0xCFEA5F74,
 110         0xE522EFDE,
 111         0x5F74CFDA,
 112         0x0B627385,
 113         0xDF627E0A,
 114         0x30D8145B,
 115         0xBFFFF3C8,
 116         0x5FFFDFFF,
 117         0xA7F85F5E,
 118         0xBFFE7F7D,
 119         0x10D31450,
 120         0x5F36BFFF,
 121         0xAF785F5E,
 122         0xBFFDA7F8,
 123         0x5F36BFFE,
 124         0x77FD30C0,
 125         0x4E08FDCF,
 126         0xE5FF6E0F,
 127         0xAFF87E1F,
 128         0x7E0FFD1F,
 129         0xF1CF5F1B,
 130         0xABF80D5E,
 131         0x5F5EFFEF,
 132         0x79F730A2,
 133         0xAFDD5F34,
 134         0x47F85F34,
 135         0xAFED7FDD,
 136         0x50B24978,
 137         0x47FD7F1D,
 138         0x7DFD70AD,
 139         0xEF717EC1,
 140         0x6BA47F01,
 141         0x2D267EFD,
 142         0x30DE5F5E,
 143         0xFFFD5F5E,
 144         0xFFEF5F5E,
 145         0xFFDF0CA0,
 146         0xAFED0A9E,
 147         0xAFDD0C3A,
 148         0x5F3AAFBD,
 149         0x7FBDB082,
 150         0x5F8247F8
 151 };
 152
 153 uint patch_2f00[] = {
 154         0x3E303430,
 155         0x34343737,
 156         0xABF7BF9B,
 157         0x994B4FBD,
 158         0xBD599493,
 159         0x349FFF37,
 160         0xFB9B177D,
 161         0xD9936956,
 162         0xBBFDD697,
 163         0xBDD2FD11,
 164         0x31DB9BB3,
 165         0x63139637,
 166         0x93733693,
 167         0x193137F7,
 168         0x331737AF,
 169         0x7BB9B999,
 170         0xBB197957,
 171         0x7FDFD3D5,
 172         0x73B773F7,
 173         0x37933B99,
 174         0x1D115316,
 175         0x99315315,
 176         0x31694BF4,
 177         0xFBDBD359,
 178         0x31497353,
 179         0x76956D69,
 180         0x7B9D9693,
 181         0x13131979,
 182         0x79376935
 183 };
 184 #endif
 185
 186 #ifdef USE_SMC_PATCH
 187 #define PATCH_DEFINED
 188 /* SMC2/IIC/SPI Patch */
 189 /* This is the area from 0x2000 to 0x23ff.
 190 */
 191 uint patch_2000[] = {
 192         0x3fff0000,
 193         0x3ffd0000,
 194         0x3ffb0000,
 195         0x3ff90000,
 196         0x5f13eff8,
 197         0x5eb5eff8,
 198         0x5f88adf7,
 199         0x5fefadf7,
 200         0x3a9cfbc8,
 201         0x77cae1bb,
 202         0xf4de7fad,
 203         0xabae9330,
 204         0x4e08fdcf,
 205         0x6e0faff8,
 206         0x7ccf76cf,
 207         0xfdaff9cf,
 208         0xabf88dc8,
 209         0xab5879f7,
 210         0xb0925d8d,
 211         0xdfd079f7,
 212         0xb090e6bb,
 213         0xe5bbe74f,
 214         0x9e046f0f,
 215         0x6ffb76ce,
 216         0xee0cf9cf,
 217         0x2bfbefef,
 218         0xcfeef9cf,
 219         0x76cead23,
 220         0x90b3df99,
 221         0x7fddd0c1,
 222         0x4bf847fd,
 223         0x7ccf76ce,
 224         0xcfef77ca,
 225         0x7eaf7fad,
 226         0x7dfdf0b7,
 227         0xef7a7fca,
 228         0x77cafbc8,
 229         0x6079e722,
 230         0xfbc85fff,
 231         0xdfff5fb3,
 232         0xfffbfbc8,
 233         0xf3c894a5,
 234         0xe7c9edf9,
 235         0x7f9a7fad,
 236         0x5f36afe8,
 237         0x5f5bffdf,
 238         0xdf95cb9e,
 239         0xaf7d5fc3,
 240         0xafed8c1b,
 241         0x5fc3afdd,
 242         0x5fc5df99,
 243         0x7efdb0b3,
 244         0x5fb3fffe,
 245         0xabae5fb3,
 246         0xfffe5fd0,
 247         0x600be6bb,
 248         0x600b5fd0,
 249         0xdfc827fb,
 250         0xefdf5fca,
 251         0xcfde3a9c,
 252         0xe7c9edf9,
 253         0xf3c87f9e,
 254         0x54ca7fed,
 255         0x2d3a3637,
 256         0x756f7e9a,
 257         0xf1ce37ef,
 258         0x2e677fee,
 259         0x10ebadf8,
 260         0xefdecfea,
 261         0xe52f7d9f,
 262         0xe12bf1ce,
 263         0x5f647e9a,
 264         0x4df8cfea,
 265         0x5f717d9b,
 266         0xefeecfea,
 267         0x5f73e522,
 268         0xefde5f73,
 269         0xcfda0b61,
 270         0x5d8fdf61,
 271         0xe7c9edf9,
 272         0x7e9a30d5,
 273         0x1458bfff,
 274         0xf3c85fff,
 275         0xdfffa7f8,
 276         0x5f5bbffe,
 277         0x7f7d10d0,
 278         0x144d5f33,
 279         0xbfffaf78,
 280         0x5f5bbffd,
 281         0xa7f85f33,
 282         0xbffe77fd,
 283         0x30bd4e08,
 284         0xfdcfe5ff,
 285         0x6e0faff8,
 286         0x7eef7e9f,
 287         0xfdeff1cf,
 288         0x5f17abf8,
 289         0x0d5b5f5b,
 290         0xffef79f7,
 291         0x309eafdd,
 292         0x5f3147f8,
 293         0x5f31afed,
 294         0x7fdd50af,
 295         0x497847fd,
 296         0x7f9e7fed,
 297         0x7dfd70a9,
 298         0xef7e7ece,
 299         0x6ba07f9e,
 300         0x2d227efd,
 301         0x30db5f5b,
 302         0xfffd5f5b,
 303         0xffef5f5b,
 304         0xffdf0c9c,
 305         0xafed0a9a,
 306         0xafdd0c37,
 307         0x5f37afbd,
 308         0x7fbdb081,
 309         0x5f8147f8,
 310         0x3a11e710,
 311         0xedf0ccdd,
 312         0xf3186d0a,
 313         0x7f0e5f06,
 314         0x7fedbb38,
 315         0x3afe7468,
 316         0x7fedf4fc,
 317         0x8ffbb951,
 318         0xb85f77fd,
 319         0xb0df5ddd,
 320         0xdefe7fed,
 321         0x90e1e74d,
 322         0x6f0dcbf7,
 323         0xe7decfed,
 324         0xcb74cfed,
 325         0xcfeddf6d,
 326         0x91714f74,
 327         0x5dd2deef,
 328         0x9e04e7df,
 329         0xefbb6ffb,
 330         0xe7ef7f0e,
 331         0x9e097fed,
 332         0xebdbeffa,
 333         0xeb54affb,
 334         0x7fea90d7,
 335         0x7e0cf0c3,
 336         0xbffff318,
 337         0x5fffdfff,
 338         0xac59efea,
 339         0x7fce1ee5,
 340         0xe2ff5ee1,
 341         0xaffbe2ff,
 342         0x5ee3affb,
 343         0xf9cc7d0f,
 344         0xaef8770f,
 345         0x7d0fb0c6,
 346         0xeffbbfff,
 347         0xcfef5ede,
 348         0x7d0fbfff,
 349         0x5ede4cf8,
 350         0x7fddd0bf,
 351         0x49f847fd,
 352         0x7efdf0bb,
 353         0x7fedfffd,
 354         0x7dfdf0b7,
 355         0xef7e7e1e,
 356         0x5ede7f0e,
 357         0x3a11e710,
 358         0xedf0ccab,
 359         0xfb18ad2e,
 360         0x1ea9bbb8,
 361         0x74283b7e,
 362         0x73c2e4bb,
 363         0x2ada4fb8,
 364         0xdc21e4bb,
 365         0xb2a1ffbf,
 366         0x5e2c43f8,
 367         0xfc87e1bb,
 368         0xe74ffd91,
 369         0x6f0f4fe8,
 370         0xc7ba32e2,
 371         0xf396efeb,
 372         0x600b4f78,
 373         0xe5bb760b,
 374         0x53acaef8,
 375         0x4ef88b0e,
 376         0xcfef9e09,
 377         0xabf8751f,
 378         0xefef5bac,
 379         0x741f4fe8,
 380         0x751e760d,
 381         0x7fdbf081,
 382         0x741cafce,
 383         0xefcc7fce,
 384         0x751e70ac,
 385         0x741ce7bb,
 386         0x3372cfed,
 387         0xafdbefeb,
 388         0xe5bb760b,
 389         0x53f2aef8,
 390         0xafe8e7eb,
 391         0x4bf8771e,
 392         0x7e247fed,
 393         0x4fcbe2cc,
 394         0x7fbc30a9,
 395         0x7b0f7a0f,
 396         0x34d577fd,
 397         0x308b5db7,
 398         0xde553e5f,
 399         0xaf78741f,
 400         0x741f30f0,
 401         0xcfef5e2c,
 402         0x741f3eac,
 403         0xafb8771e,
 404         0x5e677fed,
 405         0x0bd3e2cc,
 406         0x741ccfec,
 407         0xe5ca53cd,
 408         0x6fcb4f74,
 409         0x5dadde4b,
 410         0x2ab63d38,
 411         0x4bb3de30,
 412         0x751f741c,
 413         0x6c42effa,
 414         0xefea7fce,
 415         0x6ffc30be,
 416         0xefec3fca,
 417         0x30b3de2e,
 418         0xadf85d9e,
 419         0xaf7daefd,
 420         0x5d9ede2e,
 421         0x5d9eafdd,
 422         0x761f10ac,
 423         0x1da07efd,
 424         0x30adfffe,
 425         0x4908fb18,
 426         0x5fffdfff,
 427         0xafbb709b,
 428         0x4ef85e67,
 429         0xadf814ad,
 430         0x7a0f70ad,
 431         0xcfef50ad,
 432         0x7a0fde30,
 433         0x5da0afed,
 434         0x3c12780f,
 435         0xefef780f,
 436         0xefef790f,
 437         0xa7f85e0f,
 438         0xffef790f,
 439         0xefef790f,
 440         0x14adde2e,
 441         0x5d9eadfd,
 442         0x5e2dfffb,
 443         0xe79addfd,
 444         0xeff96079,
 445         0x607ae79a,
 446         0xddfceff9,
 447         0x60795dff,
 448         0x607acfef,
 449         0xefefefdf,
 450         0xefbfef7f,
 451         0xeeffedff,
 452         0xebffe7ff,
 453         0xafefafdf,
 454         0xafbfaf7f,
 455         0xaeffadff,
 456         0xabffa7ff,
 457         0x6fef6fdf,
 458         0x6fbf6f7f,
 459         0x6eff6dff,
 460         0x6bff67ff,
 461         0x2fef2fdf,
 462         0x2fbf2f7f,
 463         0x2eff2dff,
 464         0x2bff27ff,
 465         0x4e08fd1f,
 466         0xe5ff6e0f,
 467         0xaff87eef,
 468         0x7e0ffdef,
 469         0xf11f6079,
 470         0xabf8f542,
 471         0x7e0af11c,
 472         0x37cfae3a,
 473         0x7fec90be,
 474         0xadf8efdc,
 475         0xcfeae52f,
 476         0x7d0fe12b,
 477         0xf11c6079,
 478         0x7e0a4df8,
 479         0xcfea5dc4,
 480         0x7d0befec,
 481         0xcfea5dc6,
 482         0xe522efdc,
 483         0x5dc6cfda,
 484         0x4e08fd1f,
 485         0x6e0faff8,
 486         0x7c1f761f,
 487         0xfdeff91f,
 488         0x6079abf8,
 489         0x761cee24,
 490         0xf91f2bfb,
 491         0xefefcfec,
 492         0xf91f6079,
 493         0x761c27fb,
 494         0xefdf5da7,
 495         0xcfdc7fdd,
 496         0xd09c4bf8,
 497         0x47fd7c1f,
 498         0x761ccfcf,
 499         0x7eef7fed,
 500         0x7dfdf093,
 501         0xef7e7f1e,
 502         0x771efb18,
 503         0x6079e722,
 504         0xe6bbe5bb,
 505         0xae0ae5bb,
 506         0x600bae85,
 507         0xe2bbe2bb,
 508         0xe2bbe2bb,
 509         0xaf02e2bb,
 510         0xe2bb2ff9,
 511         0x6079e2bb
 512 };
 513
 514         /* This is from 0x2f00 to 0x2fff
 515         */
 516 uint patch_2f00[] = {
 517         0x30303030,
 518         0x3e3e3434,
 519         0xabbf9b99,
 520         0x4b4fbdbd,
 521         0x59949334,
 522         0x9fff37fb,
 523         0x9b177dd9,
 524         0x936956bb,
 525         0xfbdd697b,
 526         0xdd2fd113,
 527         0x1db9f7bb,
 528         0x36313963,
 529         0x79373369,
 530         0x3193137f,
 531         0x7331737a,
 532         0xf7bb9b99,
 533         0x9bb19795,
 534         0x77fdfd3d,
 535         0x573b773f,
 536         0x737933f7,
 537         0xb991d115,
 538         0x31699315,
 539         0x31531694,
 540         0xbf4fbdbd,
 541         0x35931497,
 542         0x35376956,
 543         0xbd697b9d,
 544         0x96931313,
 545         0x19797937,
 546         0x6935af78,
 547         0xb9b3baa3,
 548         0xb8788683,
 549         0x368f78f7,
 550         0x87778733,
 551         0x3ffffb3b,
 552         0x8e8f78b8,
 553         0x1d118e13,
 554         0xf3ff3f8b,
 555         0x6bd8e173,
 556         0xd1366856,
 557         0x68d1687b,
 558         0x3daf78b8,
 559         0x3a3a3f87,
 560         0x8f81378f,
 561         0xf876f887,
 562         0x77fd8778,
 563         0x737de8d6,
 564         0xbbf8bfff,
 565         0xd8df87f7,
 566         0xfd876f7b,
 567         0x8bfff8bd,
 568         0x8683387d,
 569         0xb873d87b,
 570         0x3b8fd7f8,
 571         0xf7338883,
 572         0xbb8ee1f8,
 573         0xef837377,
 574         0x3337b836,
 575         0x817d11f8,
 576         0x7378b878,
 577         0xd3368b7d,
 578         0xed731b7d,
 579         0x833731f3,
 580         0xf22f3f23
 581 };
 582
 583 uint patch_2e00[] = {
 584         /* This is from 0x2e00 to 0x2e3c
 585         */
 586         0x27eeeeee,
 587         0xeeeeeeee,
 588         0xeeeeeeee,
 589         0xeeeeeeee,
 590         0xee4bf4fb,
 591         0xdbd259bb,
 592         0x1979577f,
 593         0xdfd2d573,
 594         0xb773f737,
 595         0x4b4fbdbd,
 596         0x25b9b177,
 597         0xd2d17376,
 598         0x956bbfdd,
 599         0x697bdd2f,
 600         0xff9f79ff,
 601         0xff9ff22f
 602 };
 603 #endif
 604
 605 #ifdef USE_USB_SOF_PATCH
 606 #define PATCH_DEFINED
 607 uint patch_2000[] = {
 608         0x7fff0000,
 609         0x7ffd0000,
 610         0x7ffb0000,
 611         0x49f7ba5b,
 612         0xba383ffb,
 613         0xf9b8b46d,
 614         0xe5ab4e07,
 615         0xaf77bffe,
 616         0x3f7bbf79,
 617         0xba5bba38,
 618         0xe7676076,
 619         0x60750000
 620 };
 621
 622 uint patch_2f00[] = {
 623         0x3030304c,
 624         0xcab9e441,
 625         0xa1aaf220
 626 };
 627 #endif
 628
 629 /* Load the microcode patch.  This is called early in the CPM initialization
 630  * with the controller in the reset state.  We enable the processor after
 631  * we load the patch.
 632  */
 633 void
 634 cpm_load_patch(volatile immap_t *immr)
 635 {
 636 #ifdef PATCH_DEFINED
 637         volatile uint           *dp;
 638         volatile cpm8xx_t       *commproc;
 639         volatile iic_t          *iip;
 640         volatile spi_t          *spp;
 641         int     i;
 642
 643         commproc = (cpm8xx_t *)&immr->im_cpm;
 644
 645         /* We work closely with commproc.c.  We know it only allocates
 646          * from data only space.
 647          * For this particular patch, we only use the bottom 512 bytes
 648          * and the upper 256 byte extension.  We will use the space
 649          * starting at 1K for the relocated parameters, as the general
 650          * CPM allocation won't come from that area.
 651          */
 652         commproc->cp_rccr = 0;
 653
 654         /* Copy the patch into DPRAM.
 655         */
 656         dp = (uint *)(commproc->cp_dpmem);
 657         for (i=0; i<(sizeof(patch_2000)/4); i++)
 658                 *dp++ = patch_2000[i];
 659
 660         dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
 661         for (i=0; i<(sizeof(patch_2f00)/4); i++)
 662                 *dp++ = patch_2f00[i];
 663
 664 #ifdef USE_USB_SOF_PATCH
 665 #if 0 /* usb patch should not relocate iic */
 666         iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
 667 #define RPBASE 0x0030
 668         iip->iic_rpbase = RPBASE;
 669
 670         /* Put SPI above the IIC, also 32-byte aligned.
 671         */
 672         i = (RPBASE + sizeof(iic_t) + 31) & ~31;
 673         spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
 674         spp->spi_rpbase = i;
 675 #endif
 676
 677         /* Enable uCode fetches from DPRAM. */
 678         commproc->cp_rccr = 0x0009;
 679
 680         printk("USB uCode patch installed\n");
 681 #endif /* USE_USB_SOF_PATCH */
 682
 683 #if defined(USE_SMC_PATCH) || defined(USE_IIC_PATCH)
 684
 685         iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
 686 #define RPBASE 0x0400
 687         iip->iic_rpbase = RPBASE;
 688
 689         /* Put SPI above the IIC, also 32-byte aligned.
 690         */
 691         i = (RPBASE + sizeof(iic_t) + 31) & ~31;
 692         spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
 693         spp->spi_rpbase = i;
 694
 695 #ifdef USE_SMC_PATCH
 696         dp = (uint *)&(commproc->cp_dpmem[0x0e00]);
 697         for (i=0; i<(sizeof(patch_2e00)/4); i++)
 698                 *dp++ = patch_2e00[i];
 699
 700         /* Enable the traps to get to it.
 701         */
 702         commproc->cp_cpmcr1 = 0x8080;
 703         commproc->cp_cpmcr2 = 0x808a;
 704         commproc->cp_cpmcr3 = 0x8028;
 705         commproc->cp_cpmcr4 = 0x802a;
 706
 707         /* Enable uCode fetches from DPRAM.
 708         */
 709         commproc->cp_rccr = 3;
 710 #endif
 711
 712 #ifdef USE_IIC_PATCH
 713         /* Enable the traps to get to it.
 714         */
 715         commproc->cp_cpmcr1 = 0x802a;
 716         commproc->cp_cpmcr2 = 0x8028;
 717         commproc->cp_cpmcr3 = 0x802e;
 718         commproc->cp_cpmcr4 = 0x802c;
 719
 720         /* Enable uCode fetches from DPRAM.
 721         */
 722         commproc->cp_rccr = 1;
 723
 724         printk("I2C uCode patch installed\n");
 725 #endif
 726
 727         /* Relocate the IIC and SPI parameter areas.  These have to
 728          * aligned on 32-byte boundaries.
 729          */
 730         iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
 731         iip->iic_rpbase = RPBASE;
 732
 733         /* Put SPI above the IIC, also 32-byte aligned.
 734         */
 735         i = (RPBASE + sizeof(iic_t) + 31) & ~31;
 736         spp = (spi_t *)&commproc->cp_dparam[PROFF_SPI];
 737         spp->spi_rpbase = i;
 738
 739 #endif /* USE_SMC_PATCH || USE_IIC_PATCH */
 740 #endif /* PATCH_DEFINED */
 741 }
 742
 743 void
 744 verify_patch(volatile immap_t *immr)
 745 {
 746 #ifdef PATCH_DEFINED
 747         volatile uint           *dp;
 748         volatile cpm8xx_t       *commproc;
 749         int i;
 750
 751         commproc = (cpm8xx_t *)&immr->im_cpm;
 752
 753         printk("cp_rccr %x\n", commproc->cp_rccr);
 754         commproc->cp_rccr = 0;
 755
 756         dp = (uint *)(commproc->cp_dpmem);
 757         for (i=0; i<(sizeof(patch_2000)/4); i++)
 758                 if (*dp++ != patch_2000[i]) {
 759                         printk("patch_2000 bad at %d\n", i);
 760                         dp--;
 761                         printk("found 0x%X, wanted 0x%X\n", *dp, patch_2000[i]);
 762                         break;
 763                 }
 764
 765         dp = (uint *)&(commproc->cp_dpmem[0x0f00]);
 766         for (i=0; i<(sizeof(patch_2f00)/4); i++)
 767                 if (*dp++ != patch_2f00[i]) {
 768                         printk("patch_2f00 bad at %d\n", i);
 769                         dp--;
 770                         printk("found 0x%X, wanted 0x%X\n", *dp, patch_2f00[i]);
 771                         break;
 772                 }
 773
 774         commproc->cp_rccr = 0x0009;
 775 #endif /* PATCH_DEFINED */
 776 }
 777