arch/powerpc/cpu/ppc4xx/reginfo.c

   1 /*
   2  *(C) Copyright 2005-2009 Netstal Maschinen AG
   3  *    Bruno Hars (Bruno.Hars@netstal.com)
   4  *    Niklaus Giger (Niklaus.Giger@netstal.com)
   5  *
   6  *    This source code is free software; you can redistribute it
   7  *    and/or modify it in source code form under the terms of the GNU
   8  *    General Public License as published by the Free Software
   9  *    Foundation; either version 2 of the License, or (at your option)
  10  *    any later version.
  11  *
  12  *    This program is distributed in the hope that it will be useful,
  13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *    GNU General Public License for more details.
  16  *
  17  *    You should have received a copy of the GNU General Public License
  18  *    along with this program; if not, write to the Free Software
  19  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  20  */
  21
  22 /*
  23  * reginfo.c - register dump of HW-configuratin register for PPC4xx based board
  24  */
  25
  26 #include <common.h>
  27 #include <command.h>
  28 #include <asm/processor.h>
  29 #include <asm/io.h>
  30 #include <asm/ppc4xx-uic.h>
  31 #include <ppc4xx_enet.h>
  32
  33 enum REGISTER_TYPE {
  34         IDCR1,  /* Indirectly Accessed DCR via SDRAM0_CFGADDR/SDRAM0_CFGDATA */
  35         IDCR2,  /* Indirectly Accessed DCR via EBC0_CFGADDR/EBC0_CFGDATA */
  36         IDCR3,  /* Indirectly Accessed DCR via EBM0_CFGADDR/EBM0_CFGDATA */
  37         IDCR4,  /* Indirectly Accessed DCR via PPM0_CFGADDR/PPM0_CFGDATA */
  38         IDCR5,  /* Indirectly Accessed DCR via CPR0_CFGADDR/CPR0_CFGDATA */
  39         IDCR6,  /* Indirectly Accessed DCR via SDR0_CFGADDR/SDR0_CFGDATA */
  40         MM      /* Directly Accessed MMIO Register */
  41 };
  42
  43 struct cpu_register {
  44         char *name;
  45         enum REGISTER_TYPE type;
  46         u32 address;
  47 };
  48
  49 /*
  50  * PPC440EPx registers ordered for output
  51  * name           type    addr            size
  52  * -------------------------------------------
  53  */
  54
  55 const struct cpu_register ppc4xx_reg[] = {
  56         {"PB0CR",               IDCR2,  PB0CR},
  57         {"PB0AP",               IDCR2,  PB0AP},
  58         {"PB1CR",               IDCR2,  PB1CR},
  59         {"PB1AP",               IDCR2,  PB1AP},
  60         {"PB2CR",               IDCR2,  PB2CR},
  61         {"PB2AP",               IDCR2,  PB2AP},
  62         {"PB3CR",               IDCR2,  PB3CR},
  63         {"PB3AP",               IDCR2,  PB3AP},
  64
  65         {"PB4CR",               IDCR2,  PB4CR},
  66         {"PB4AP",               IDCR2,  PB4AP},
  67 #if !defined(CONFIG_405EP)
  68         {"PB5CR",               IDCR2,  PB5CR},
  69         {"PB5AP",               IDCR2,  PB5AP},
  70         {"PB6CR",               IDCR2,  PB6CR},
  71         {"PB6AP",               IDCR2,  PB6AP},
  72         {"PB7CR",               IDCR2,  PB7CR},
  73         {"PB7AP",               IDCR2,  PB7AP},
  74 #endif
  75
  76         {"PBEAR",               IDCR2,  PBEAR},
  77 #if defined(CONFIG_405EP) || defined (CONFIG_405GP)
  78         {"PBESR0",              IDCR2,  PBESR0},
  79         {"PBESR1",              IDCR2,  PBESR1},
  80 #endif
  81         {"EBC0_CFG",            IDCR2,  EBC0_CFG},
  82
  83 #ifdef CONFIG_405GP
  84         {"SDRAM0_BESR0",        IDCR1,  SDRAM0_BESR0},
  85         {"SDRAM0_BESRS0",       IDCR1,  SDRAM0_BESRS0},
  86         {"SDRAM0_BESR1",        IDCR1,  SDRAM0_BESR1},
  87         {"SDRAM0_BESRS1",       IDCR1,  SDRAM0_BESRS1},
  88         {"SDRAM0_BEAR",         IDCR1,  SDRAM0_BEAR},
  89         {"SDRAM0_CFG",          IDCR1,  SDRAM0_CFG},
  90         {"SDRAM0_RTR",          IDCR1,  SDRAM0_RTR},
  91         {"SDRAM0_PMIT",         IDCR1,  SDRAM0_PMIT},
  92
  93         {"SDRAM0_B0CR",         IDCR1,  SDRAM0_B0CR},
  94         {"SDRAM0_B1CR",         IDCR1,  SDRAM0_B1CR},
  95         {"SDRAM0_B2CR",         IDCR1,  SDRAM0_B2CR},
  96         {"SDRAM0_B3CR",         IDCR1,  SDRAM0_B1CR},
  97         {"SDRAM0_TR",           IDCR1,  SDRAM0_TR},
  98         {"SDRAM0_ECCCFG",       IDCR1,  SDRAM0_B1CR},
  99         {"SDRAM0_ECCESR",       IDCR1,  SDRAM0_ECCESR},
 100
 101
 102 #endif
 103
 104 #ifdef CONFIG_440EPX
 105         {"SDR0_SDSTP0",         IDCR6,  SDR0_SDSTP0},
 106         {"SDR0_SDSTP1",         IDCR6,  SDR0_SDSTP1},
 107         {"SDR0_SDSTP2",         IDCR6,  SDR0_SDSTP2},
 108         {"SDR0_SDSTP3",         IDCR6,  SDR0_SDSTP3},
 109         {"SDR0_CUST0",          IDCR6,  SDR0_CUST0},
 110         {"SDR0_CUST1",          IDCR6,  SDR0_CUST1},
 111         {"SDR0_EBC0",           IDCR6,  SDR0_EBC0},
 112         {"SDR0_AMP0",           IDCR6,  SD0_AMP0},
 113         {"SDR0_AMP1",           IDCR6,  SD0_AMP1},
 114         {"SDR0_CP440",          IDCR6,  SDR0_CP440},
 115         {"SDR0_CRYP0",          IDCR6,  SDR0_CRYP0},
 116         {"SDR0_DDRCFG",         IDCR6,  SDR0_DDRCFG},
 117         {"SDR0_EMAC0RXST",      IDCR6,  SDR0_EMAC0RXST},
 118         {"SDR0_EMAC0TXST",      IDCR6,  SDR0_EMAC0TXST},
 119         {"SDR0_MFR",            IDCR6,  SDR0_MFR},
 120         {"SDR0_PCI0",           IDCR6,  SDR0_PCI0},
 121         {"SDR0_PFC0",           IDCR6,  SDR0_PFC0},
 122         {"SDR0_PFC1",           IDCR6,  SDR0_PFC1},
 123         {"SDR0_PFC2",           IDCR6,  SDR0_PFC2},
 124         {"SDR0_PFC4",           IDCR6,  SDR0_PFC4},
 125         {"SDR0_UART0",          IDCR6,  SDR0_UART0},
 126         {"SDR0_UART1",          IDCR6,  SDR0_UART1},
 127         {"SDR0_UART2",          IDCR6,  SDR0_UART2},
 128         {"SDR0_UART3",          IDCR6,  SDR0_UART3},
 129         {"DDR0_02",             IDCR1,  DDR0_02},
 130         {"DDR0_00",             IDCR1,  DDR0_00},
 131         {"DDR0_01",             IDCR1,  DDR0_01},
 132         {"DDR0_03",             IDCR1,  DDR0_03},
 133         {"DDR0_04",             IDCR1,  DDR0_04},
 134         {"DDR0_05",             IDCR1,  DDR0_05},
 135         {"DDR0_06",             IDCR1,  DDR0_06},
 136         {"DDR0_07",             IDCR1,  DDR0_07},
 137         {"DDR0_08",             IDCR1,  DDR0_08},
 138         {"DDR0_09",             IDCR1,  DDR0_09},
 139         {"DDR0_10",             IDCR1,  DDR0_10},
 140         {"DDR0_11",             IDCR1,  DDR0_11},
 141         {"DDR0_12",             IDCR1,  DDR0_12},
 142         {"DDR0_14",             IDCR1,  DDR0_14},
 143         {"DDR0_17",             IDCR1,  DDR0_17},
 144         {"DDR0_18",             IDCR1,  DDR0_18},
 145         {"DDR0_19",             IDCR1,  DDR0_19},
 146         {"DDR0_20",             IDCR1,  DDR0_20},
 147         {"DDR0_21",             IDCR1,  DDR0_21},
 148         {"DDR0_22",             IDCR1,  DDR0_22},
 149         {"DDR0_23",             IDCR1,  DDR0_23},
 150         {"DDR0_24",             IDCR1,  DDR0_24},
 151         {"DDR0_25",             IDCR1,  DDR0_25},
 152         {"DDR0_26",             IDCR1,  DDR0_26},
 153         {"DDR0_27",             IDCR1,  DDR0_27},
 154         {"DDR0_28",             IDCR1,  DDR0_28},
 155         {"DDR0_31",             IDCR1,  DDR0_31},
 156         {"DDR0_32",             IDCR1,  DDR0_32},
 157         {"DDR0_33",             IDCR1,  DDR0_33},
 158         {"DDR0_34",             IDCR1,  DDR0_34},
 159         {"DDR0_35",             IDCR1,  DDR0_35},
 160         {"DDR0_36",             IDCR1,  DDR0_36},
 161         {"DDR0_37",             IDCR1,  DDR0_37},
 162         {"DDR0_38",             IDCR1,  DDR0_38},
 163         {"DDR0_39",             IDCR1,  DDR0_39},
 164         {"DDR0_40",             IDCR1,  DDR0_40},
 165         {"DDR0_41",             IDCR1,  DDR0_41},
 166         {"DDR0_42",             IDCR1,  DDR0_42},
 167         {"DDR0_43",             IDCR1,  DDR0_43},
 168         {"DDR0_44",             IDCR1,  DDR0_44},
 169         {"CPR0_ICFG",           IDCR5,  CPR0_ICFG},
 170         {"CPR0_MALD",           IDCR5,  CPR0_MALD},
 171         {"CPR0_OPBD00",         IDCR5,  CPR0_OPBD0},
 172         {"CPR0_PERD0",          IDCR5,  CPR0_PERD},
 173         {"CPR0_PLLC0",          IDCR5,  CPR0_PLLC},
 174         {"CPR0_PLLD0",          IDCR5,  CPR0_PLLD},
 175         {"CPR0_PRIMAD0",        IDCR5,  CPR0_PRIMAD0},
 176         {"CPR0_PRIMBD0",        IDCR5,  CPR0_PRIMBD0},
 177         {"CPR0_SPCID",          IDCR5,  CPR0_SPCID},
 178         {"SPI0_MODE",           MM,     SPI0_MODE},
 179         {"IIC0_CLKDIV",         MM,     PCIL0_PMM1MA},
 180         {"PCIL0_PMM0MA",        MM,     PCIL0_PMM0MA},
 181         {"PCIL0_PMM1MA",        MM,     PCIL0_PMM1MA},
 182         {"PCIL0_PTM1LA",        MM,     PCIL0_PMM1MA},
 183         {"PCIL0_PTM1MS",        MM,     PCIL0_PTM1MS},
 184         {"PCIL0_PTM2LA",        MM,     PCIL0_PMM1MA},
 185         {"PCIL0_PTM2MS",        MM,     PCIL0_PTM2MS},
 186         {"ZMII0_FER",           MM,     ZMII0_FER},
 187         {"ZMII0_SSR",           MM,     ZMII0_SSR},
 188         {"EMAC0_IPGVR",         MM,     EMAC0_IPGVR},
 189         {"EMAC0_MR1",           MM,     EMAC0_MR1},
 190         {"EMAC0_PTR",           MM,     EMAC0_PTR},
 191         {"EMAC0_RWMR",          MM,     EMAC0_RWMR},
 192         {"EMAC0_STACR",         MM,     EMAC0_STACR},
 193         {"EMAC0_TMR0",          MM,     EMAC0_TMR0},
 194         {"EMAC0_TMR1",          MM,     EMAC0_TMR1},
 195         {"EMAC0_TRTR",          MM,     EMAC0_TRTR},
 196         {"EMAC1_MR1",           MM,     EMAC1_MR1},
 197         {"GPIO0_OR",            MM,     GPIO0_OR},
 198         {"GPIO1_OR",            MM,     GPIO1_OR},
 199         {"GPIO0_TCR",           MM,     GPIO0_TCR},
 200         {"GPIO1_TCR",           MM,     GPIO1_TCR},
 201         {"GPIO0_ODR",           MM,     GPIO0_ODR},
 202         {"GPIO1_ODR",           MM,     GPIO1_ODR},
 203         {"GPIO0_OSRL",          MM,     GPIO0_OSRL},
 204         {"GPIO0_OSRH",          MM,     GPIO0_OSRH},
 205         {"GPIO1_OSRL",          MM,     GPIO1_OSRL},
 206         {"GPIO1_OSRH",          MM,     GPIO1_OSRH},
 207         {"GPIO0_TSRL",          MM,     GPIO0_TSRL},
 208         {"GPIO0_TSRH",          MM,     GPIO0_TSRH},
 209         {"GPIO1_TSRL",          MM,     GPIO1_TSRL},
 210         {"GPIO1_TSRH",          MM,     GPIO1_TSRH},
 211         {"GPIO0_IR",            MM,     GPIO0_IR},
 212         {"GPIO1_IR",            MM,     GPIO1_IR},
 213         {"GPIO0_ISR1L",         MM,     GPIO0_ISR1L},
 214         {"GPIO0_ISR1H",         MM,     GPIO0_ISR1H},
 215         {"GPIO1_ISR1L",         MM,     GPIO1_ISR1L},
 216         {"GPIO1_ISR1H",         MM,     GPIO1_ISR1H},
 217         {"GPIO0_ISR2L",         MM,     GPIO0_ISR2L},
 218         {"GPIO0_ISR2H",         MM,     GPIO0_ISR2H},
 219         {"GPIO1_ISR2L",         MM,     GPIO1_ISR2L},
 220         {"GPIO1_ISR2H",         MM,     GPIO1_ISR2H},
 221         {"GPIO0_ISR3L",         MM,     GPIO0_ISR3L},
 222         {"GPIO0_ISR3H",         MM,     GPIO0_ISR3H},
 223         {"GPIO1_ISR3L",         MM,     GPIO1_ISR3L},
 224         {"GPIO1_ISR3H",         MM,     GPIO1_ISR3H},
 225         {"SDR0_USB2PHY0CR",     IDCR6,  SDR0_USB2PHY0CR},
 226         {"SDR0_USB2H0CR",       IDCR6,  SDR0_USB2H0CR},
 227         {"SDR0_USB2D0CR",       IDCR6,  SDR0_USB2D0CR},
 228 #endif
 229 };
 230
 231 /*
 232  * CPU Register dump of PPC4xx HW configuration registers
 233  * Output: first all DCR-registers, then in order of struct ppc4xx_reg
 234  */
 235 #define PRINT_DCR(dcr)  printf("0x%08x %-16s: 0x%08x\n", dcr,#dcr, mfdcr(dcr));
 236
 237 void ppc4xx_reginfo(void)
 238 {
 239         unsigned int i;
 240         unsigned int n;
 241         u32 value;
 242         enum REGISTER_TYPE type;
 243 #if defined (CONFIG_405EP)
 244         printf("Dump PPC405EP HW configuration registers\n\n");
 245 #elif CONFIG_405GP
 246         printf ("Dump 405GP HW configuration registers\n\n");
 247 #elif CONFIG_440EPX
 248         printf("Dump PPC440EPx HW configuration registers\n\n");
 249 #endif
 250         printf("MSR: 0x%08x\n", mfmsr());
 251
 252         printf ("\nUniversal Interrupt Controller Regs\n");
 253         PRINT_DCR(UIC0SR);
 254         PRINT_DCR(UIC0ER);
 255         PRINT_DCR(UIC0CR);
 256         PRINT_DCR(UIC0PR);
 257         PRINT_DCR(UIC0TR);
 258         PRINT_DCR(UIC0MSR);
 259         PRINT_DCR(UIC0VR);
 260         PRINT_DCR(UIC0VCR);
 261
 262 #if (UIC_MAX > 1)
 263         PRINT_DCR(UIC2SR);
 264         PRINT_DCR(UIC2ER);
 265         PRINT_DCR(UIC2CR);
 266         PRINT_DCR(UIC2PR);
 267         PRINT_DCR(UIC2TR);
 268         PRINT_DCR(UIC2MSR);
 269         PRINT_DCR(UIC2VR);
 270         PRINT_DCR(UIC2VCR);
 271 #endif
 272
 273 #if (UIC_MAX > 2)
 274         PRINT_DCR(UIC2SR);
 275         PRINT_DCR(UIC2ER);
 276         PRINT_DCR(UIC2CR);
 277         PRINT_DCR(UIC2PR);
 278         PRINT_DCR(UIC2TR);
 279         PRINT_DCR(UIC2MSR);
 280         PRINT_DCR(UIC2VR);
 281         PRINT_DCR(UIC2VCR);
 282 #endif
 283
 284 #if (UIC_MAX > 3)
 285         PRINT_DCR(UIC3SR);
 286         PRINT_DCR(UIC3ER);
 287         PRINT_DCR(UIC3CR);
 288         PRINT_DCR(UIC3PR);
 289         PRINT_DCR(UIC3TR);
 290         PRINT_DCR(UIC3MSR);
 291         PRINT_DCR(UIC3VR);
 292         PRINT_DCR(UIC3VCR);
 293 #endif
 294
 295 #if defined (CONFIG_405EP) || defined (CONFIG_405GP)
 296         printf ("\n\nDMA Channels\n");
 297         PRINT_DCR(DMASR);
 298         PRINT_DCR(DMASGC);
 299         PRINT_DCR(DMAADR);
 300
 301         PRINT_DCR(DMACR0);
 302         PRINT_DCR(DMACT0);
 303         PRINT_DCR(DMADA0);
 304         PRINT_DCR(DMASA0);
 305         PRINT_DCR(DMASB0);
 306
 307         PRINT_DCR(DMACR1);
 308         PRINT_DCR(DMACT1);
 309         PRINT_DCR(DMADA1);
 310         PRINT_DCR(DMASA1);
 311         PRINT_DCR(DMASB1);
 312
 313         PRINT_DCR(DMACR2);
 314         PRINT_DCR(DMACT2);
 315         PRINT_DCR(DMADA2);
 316         PRINT_DCR(DMASA2);
 317         PRINT_DCR(DMASB2);
 318
 319         PRINT_DCR(DMACR3);
 320         PRINT_DCR(DMACT3);
 321         PRINT_DCR(DMADA3);
 322         PRINT_DCR(DMASA3);
 323         PRINT_DCR(DMASB3);
 324 #endif
 325
 326         printf ("\n\nVarious HW-Configuration registers\n");
 327 #if defined (CONFIG_440EPX)
 328         PRINT_DCR(MAL0_CFG);
 329         PRINT_DCR(CPM0_ER);
 330         PRINT_DCR(CPM1_ER);
 331         PRINT_DCR(PLB4A0_ACR);
 332         PRINT_DCR(PLB4A1_ACR);
 333         PRINT_DCR(PLB3A0_ACR);
 334         PRINT_DCR(OPB2PLB40_BCTRL);
 335         PRINT_DCR(P4P3BO0_CFG);
 336 #endif
 337         n = sizeof(ppc4xx_reg) / sizeof(ppc4xx_reg[0]);
 338         for (i = 0; i < n; i++) {
 339                 value = 0;
 340                 type = ppc4xx_reg[i].type;
 341                 switch (type) {
 342                 case IDCR1:     /* Indirect via SDRAM0_CFGADDR/DDR0_CFGDATA */
 343                         mtdcr(SDRAM0_CFGADDR, ppc4xx_reg[i].address);
 344                         value = mfdcr(SDRAM0_CFGDATA);
 345                         break;
 346                 case IDCR2:     /* Indirect via EBC0_CFGADDR/EBC0_CFGDATA */
 347                         mtdcr(EBC0_CFGADDR, ppc4xx_reg[i].address);
 348                         value = mfdcr(EBC0_CFGDATA);
 349                         break;
 350                 case IDCR5:     /* Indirect via CPR0_CFGADDR/CPR0_CFGDATA */
 351                         mtdcr(CPR0_CFGADDR, ppc4xx_reg[i].address);
 352                         value = mfdcr(CPR0_CFGDATA);
 353                         break;
 354                 case IDCR6:     /* Indirect via SDR0_CFGADDR/SDR0_CFGDATA */
 355                         mtdcr(SDR0_CFGADDR, ppc4xx_reg[i].address);
 356                         value = mfdcr(SDR0_CFGDATA);
 357                         break;
 358                 case MM:        /* Directly Accessed MMIO Register */
 359                         value = in_be32((const volatile unsigned __iomem *)
 360                                 ppc4xx_reg[i].address);
 361                         break;
 362                 default:
 363                         printf("\nERROR: struct entry %d: unknown register"
 364                                 "type\n", i);
 365                         break;
 366                 }
 367                 printf("0x%08x %-16s: 0x%08x\n",ppc4xx_reg[i].address,
 368                         ppc4xx_reg[i].name, value);
 369         }
 370 }