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  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 /*
  10  * reginfo.c - register dump of HW-configuratin register for PPC4xx based board
  11  */
  12
  13 #include <common.h>
  14 #include <command.h>
  15 #include <asm/processor.h>
  16 #include <asm/io.h>
  17 #include <asm/ppc4xx.h>
  18 #include <asm/ppc4xx-uic.h>
  19 #include <asm/ppc4xx-emac.h>
  20
  21 enum REGISTER_TYPE {
  22         IDCR1,  /* Indirectly Accessed DCR via SDRAM0_CFGADDR/SDRAM0_CFGDATA */
  23         IDCR2,  /* Indirectly Accessed DCR via EBC0_CFGADDR/EBC0_CFGDATA */
  24         IDCR3,  /* Indirectly Accessed DCR via EBM0_CFGADDR/EBM0_CFGDATA */
  25         IDCR4,  /* Indirectly Accessed DCR via PPM0_CFGADDR/PPM0_CFGDATA */
  26         IDCR5,  /* Indirectly Accessed DCR via CPR0_CFGADDR/CPR0_CFGDATA */
  27         IDCR6,  /* Indirectly Accessed DCR via SDR0_CFGADDR/SDR0_CFGDATA */
  28         MM      /* Directly Accessed MMIO Register */
  29 };
  30
  31 struct cpu_register {
  32         char *name;
  33         enum REGISTER_TYPE type;
  34         u32 address;
  35 };
  36
  37 /*
  38  * PPC440EPx registers ordered for output
  39  * name           type    addr            size
  40  * -------------------------------------------
  41  */
  42
  43 const struct cpu_register ppc4xx_reg[] = {
  44         {"PB0CR",               IDCR2,  PB0CR},
  45         {"PB0AP",               IDCR2,  PB0AP},
  46         {"PB1CR",               IDCR2,  PB1CR},
  47         {"PB1AP",               IDCR2,  PB1AP},
  48         {"PB2CR",               IDCR2,  PB2CR},
  49         {"PB2AP",               IDCR2,  PB2AP},
  50         {"PB3CR",               IDCR2,  PB3CR},
  51         {"PB3AP",               IDCR2,  PB3AP},
  52
  53         {"PB4CR",               IDCR2,  PB4CR},
  54         {"PB4AP",               IDCR2,  PB4AP},
  55 #if !defined(CONFIG_405EP)
  56         {"PB5CR",               IDCR2,  PB5CR},
  57         {"PB5AP",               IDCR2,  PB5AP},
  58         {"PB6CR",               IDCR2,  PB6CR},
  59         {"PB6AP",               IDCR2,  PB6AP},
  60         {"PB7CR",               IDCR2,  PB7CR},
  61         {"PB7AP",               IDCR2,  PB7AP},
  62 #endif
  63
  64         {"PBEAR",               IDCR2,  PBEAR},
  65 #if defined(CONFIG_405EP) || defined (CONFIG_405GP)
  66         {"PBESR0",              IDCR2,  PBESR0},
  67         {"PBESR1",              IDCR2,  PBESR1},
  68 #endif
  69         {"EBC0_CFG",            IDCR2,  EBC0_CFG},
  70
  71 #ifdef CONFIG_405GP
  72         {"SDRAM0_BESR0",        IDCR1,  SDRAM0_BESR0},
  73         {"SDRAM0_BESRS0",       IDCR1,  SDRAM0_BESRS0},
  74         {"SDRAM0_BESR1",        IDCR1,  SDRAM0_BESR1},
  75         {"SDRAM0_BESRS1",       IDCR1,  SDRAM0_BESRS1},
  76         {"SDRAM0_BEAR",         IDCR1,  SDRAM0_BEAR},
  77         {"SDRAM0_CFG",          IDCR1,  SDRAM0_CFG},
  78         {"SDRAM0_RTR",          IDCR1,  SDRAM0_RTR},
  79         {"SDRAM0_PMIT",         IDCR1,  SDRAM0_PMIT},
  80
  81         {"SDRAM0_B0CR",         IDCR1,  SDRAM0_B0CR},
  82         {"SDRAM0_B1CR",         IDCR1,  SDRAM0_B1CR},
  83         {"SDRAM0_B2CR",         IDCR1,  SDRAM0_B2CR},
  84         {"SDRAM0_B3CR",         IDCR1,  SDRAM0_B1CR},
  85         {"SDRAM0_TR",           IDCR1,  SDRAM0_TR},
  86         {"SDRAM0_ECCCFG",       IDCR1,  SDRAM0_B1CR},
  87         {"SDRAM0_ECCESR",       IDCR1,  SDRAM0_ECCESR},
  88
  89
  90 #endif
  91
  92 #ifdef CONFIG_440EPX
  93         {"SDR0_SDSTP0",         IDCR6,  SDR0_SDSTP0},
  94         {"SDR0_SDSTP1",         IDCR6,  SDR0_SDSTP1},
  95         {"SDR0_SDSTP2",         IDCR6,  SDR0_SDSTP2},
  96         {"SDR0_SDSTP3",         IDCR6,  SDR0_SDSTP3},
  97         {"SDR0_CUST0",          IDCR6,  SDR0_CUST0},
  98         {"SDR0_CUST1",          IDCR6,  SDR0_CUST1},
  99         {"SDR0_EBC",            IDCR6,  SDR0_EBC},
 100         {"SDR0_AMP0",           IDCR6,  SDR0_AMP0},
 101         {"SDR0_AMP1",           IDCR6,  SDR0_AMP1},
 102         {"SDR0_CP440",          IDCR6,  SDR0_CP440},
 103         {"SDR0_CRYP0",          IDCR6,  SDR0_CRYP0},
 104         {"SDR0_DDRCFG",         IDCR6,  SDR0_DDRCFG},
 105         {"SDR0_EMAC0RXST",      IDCR6,  SDR0_EMAC0RXST},
 106         {"SDR0_EMAC0TXST",      IDCR6,  SDR0_EMAC0TXST},
 107         {"SDR0_MFR",            IDCR6,  SDR0_MFR},
 108         {"SDR0_PCI0",           IDCR6,  SDR0_PCI0},
 109         {"SDR0_PFC0",           IDCR6,  SDR0_PFC0},
 110         {"SDR0_PFC1",           IDCR6,  SDR0_PFC1},
 111         {"SDR0_PFC2",           IDCR6,  SDR0_PFC2},
 112         {"SDR0_PFC4",           IDCR6,  SDR0_PFC4},
 113         {"SDR0_UART0",          IDCR6,  SDR0_UART0},
 114         {"SDR0_UART1",          IDCR6,  SDR0_UART1},
 115         {"SDR0_UART2",          IDCR6,  SDR0_UART2},
 116         {"SDR0_UART3",          IDCR6,  SDR0_UART3},
 117         {"DDR0_02",             IDCR1,  DDR0_02},
 118         {"DDR0_00",             IDCR1,  DDR0_00},
 119         {"DDR0_01",             IDCR1,  DDR0_01},
 120         {"DDR0_03",             IDCR1,  DDR0_03},
 121         {"DDR0_04",             IDCR1,  DDR0_04},
 122         {"DDR0_05",             IDCR1,  DDR0_05},
 123         {"DDR0_06",             IDCR1,  DDR0_06},
 124         {"DDR0_07",             IDCR1,  DDR0_07},
 125         {"DDR0_08",             IDCR1,  DDR0_08},
 126         {"DDR0_09",             IDCR1,  DDR0_09},
 127         {"DDR0_10",             IDCR1,  DDR0_10},
 128         {"DDR0_11",             IDCR1,  DDR0_11},
 129         {"DDR0_12",             IDCR1,  DDR0_12},
 130         {"DDR0_14",             IDCR1,  DDR0_14},
 131         {"DDR0_17",             IDCR1,  DDR0_17},
 132         {"DDR0_18",             IDCR1,  DDR0_18},
 133         {"DDR0_19",             IDCR1,  DDR0_19},
 134         {"DDR0_20",             IDCR1,  DDR0_20},
 135         {"DDR0_21",             IDCR1,  DDR0_21},
 136         {"DDR0_22",             IDCR1,  DDR0_22},
 137         {"DDR0_23",             IDCR1,  DDR0_23},
 138         {"DDR0_24",             IDCR1,  DDR0_24},
 139         {"DDR0_25",             IDCR1,  DDR0_25},
 140         {"DDR0_26",             IDCR1,  DDR0_26},
 141         {"DDR0_27",             IDCR1,  DDR0_27},
 142         {"DDR0_28",             IDCR1,  DDR0_28},
 143         {"DDR0_31",             IDCR1,  DDR0_31},
 144         {"DDR0_32",             IDCR1,  DDR0_32},
 145         {"DDR0_33",             IDCR1,  DDR0_33},
 146         {"DDR0_34",             IDCR1,  DDR0_34},
 147         {"DDR0_35",             IDCR1,  DDR0_35},
 148         {"DDR0_36",             IDCR1,  DDR0_36},
 149         {"DDR0_37",             IDCR1,  DDR0_37},
 150         {"DDR0_38",             IDCR1,  DDR0_38},
 151         {"DDR0_39",             IDCR1,  DDR0_39},
 152         {"DDR0_40",             IDCR1,  DDR0_40},
 153         {"DDR0_41",             IDCR1,  DDR0_41},
 154         {"DDR0_42",             IDCR1,  DDR0_42},
 155         {"DDR0_43",             IDCR1,  DDR0_43},
 156         {"DDR0_44",             IDCR1,  DDR0_44},
 157         {"CPR0_ICFG",           IDCR5,  CPR0_ICFG},
 158         {"CPR0_MALD",           IDCR5,  CPR0_MALD},
 159         {"CPR0_OPBD00",         IDCR5,  CPR0_OPBD0},
 160         {"CPR0_PERD0",          IDCR5,  CPR0_PERD},
 161         {"CPR0_PLLC0",          IDCR5,  CPR0_PLLC},
 162         {"CPR0_PLLD0",          IDCR5,  CPR0_PLLD},
 163         {"CPR0_PRIMAD0",        IDCR5,  CPR0_PRIMAD0},
 164         {"CPR0_PRIMBD0",        IDCR5,  CPR0_PRIMBD0},
 165         {"CPR0_SPCID",          IDCR5,  CPR0_SPCID},
 166         {"SPI0_MODE",           MM,     SPI0_MODE},
 167         {"IIC0_CLKDIV",         MM,     PCIL0_PMM1MA},
 168         {"PCIL0_PMM0MA",        MM,     PCIL0_PMM0MA},
 169         {"PCIL0_PMM1MA",        MM,     PCIL0_PMM1MA},
 170         {"PCIL0_PTM1LA",        MM,     PCIL0_PMM1MA},
 171         {"PCIL0_PTM1MS",        MM,     PCIL0_PTM1MS},
 172         {"PCIL0_PTM2LA",        MM,     PCIL0_PMM1MA},
 173         {"PCIL0_PTM2MS",        MM,     PCIL0_PTM2MS},
 174         {"ZMII0_FER",           MM,     ZMII0_FER},
 175         {"ZMII0_SSR",           MM,     ZMII0_SSR},
 176         {"EMAC0_IPGVR",         MM,     EMAC0_IPGVR},
 177         {"EMAC0_MR1",           MM,     EMAC0_MR1},
 178         {"EMAC0_PTR",           MM,     EMAC0_PTR},
 179         {"EMAC0_RWMR",          MM,     EMAC0_RWMR},
 180         {"EMAC0_STACR",         MM,     EMAC0_STACR},
 181         {"EMAC0_TMR0",          MM,     EMAC0_TMR0},
 182         {"EMAC0_TMR1",          MM,     EMAC0_TMR1},
 183         {"EMAC0_TRTR",          MM,     EMAC0_TRTR},
 184         {"EMAC1_MR1",           MM,     EMAC1_MR1},
 185         {"GPIO0_OR",            MM,     GPIO0_OR},
 186         {"GPIO1_OR",            MM,     GPIO1_OR},
 187         {"GPIO0_TCR",           MM,     GPIO0_TCR},
 188         {"GPIO1_TCR",           MM,     GPIO1_TCR},
 189         {"GPIO0_ODR",           MM,     GPIO0_ODR},
 190         {"GPIO1_ODR",           MM,     GPIO1_ODR},
 191         {"GPIO0_OSRL",          MM,     GPIO0_OSRL},
 192         {"GPIO0_OSRH",          MM,     GPIO0_OSRH},
 193         {"GPIO1_OSRL",          MM,     GPIO1_OSRL},
 194         {"GPIO1_OSRH",          MM,     GPIO1_OSRH},
 195         {"GPIO0_TSRL",          MM,     GPIO0_TSRL},
 196         {"GPIO0_TSRH",          MM,     GPIO0_TSRH},
 197         {"GPIO1_TSRL",          MM,     GPIO1_TSRL},
 198         {"GPIO1_TSRH",          MM,     GPIO1_TSRH},
 199         {"GPIO0_IR",            MM,     GPIO0_IR},
 200         {"GPIO1_IR",            MM,     GPIO1_IR},
 201         {"GPIO0_ISR1L",         MM,     GPIO0_ISR1L},
 202         {"GPIO0_ISR1H",         MM,     GPIO0_ISR1H},
 203         {"GPIO1_ISR1L",         MM,     GPIO1_ISR1L},
 204         {"GPIO1_ISR1H",         MM,     GPIO1_ISR1H},
 205         {"GPIO0_ISR2L",         MM,     GPIO0_ISR2L},
 206         {"GPIO0_ISR2H",         MM,     GPIO0_ISR2H},
 207         {"GPIO1_ISR2L",         MM,     GPIO1_ISR2L},
 208         {"GPIO1_ISR2H",         MM,     GPIO1_ISR2H},
 209         {"GPIO0_ISR3L",         MM,     GPIO0_ISR3L},
 210         {"GPIO0_ISR3H",         MM,     GPIO0_ISR3H},
 211         {"GPIO1_ISR3L",         MM,     GPIO1_ISR3L},
 212         {"GPIO1_ISR3H",         MM,     GPIO1_ISR3H},
 213         {"SDR0_USB2PHY0CR",     IDCR6,  SDR0_USB2PHY0CR},
 214         {"SDR0_USB2H0CR",       IDCR6,  SDR0_USB2H0CR},
 215         {"SDR0_USB2D0CR",       IDCR6,  SDR0_USB2D0CR},
 216 #endif
 217 };
 218
 219 /*
 220  * CPU Register dump of PPC4xx HW configuration registers
 221  * Output: first all DCR-registers, then in order of struct ppc4xx_reg
 222  */
 223 #define PRINT_DCR(dcr)  printf("0x%08x %-16s: 0x%08x\n", dcr,#dcr, mfdcr(dcr));
 224
 225 void ppc4xx_reginfo(void)
 226 {
 227         unsigned int i;
 228         unsigned int n;
 229         u32 value;
 230         enum REGISTER_TYPE type;
 231 #if defined (CONFIG_405EP)
 232         printf("Dump PPC405EP HW configuration registers\n\n");
 233 #elif CONFIG_405GP
 234         printf ("Dump 405GP HW configuration registers\n\n");
 235 #elif CONFIG_440EPX
 236         printf("Dump PPC440EPx HW configuration registers\n\n");
 237 #endif
 238         printf("MSR: 0x%08x\n", mfmsr());
 239
 240         printf ("\nUniversal Interrupt Controller Regs\n");
 241         PRINT_DCR(UIC0SR);
 242         PRINT_DCR(UIC0ER);
 243         PRINT_DCR(UIC0CR);
 244         PRINT_DCR(UIC0PR);
 245         PRINT_DCR(UIC0TR);
 246         PRINT_DCR(UIC0MSR);
 247         PRINT_DCR(UIC0VR);
 248         PRINT_DCR(UIC0VCR);
 249
 250 #if (UIC_MAX > 1)
 251         PRINT_DCR(UIC2SR);
 252         PRINT_DCR(UIC2ER);
 253         PRINT_DCR(UIC2CR);
 254         PRINT_DCR(UIC2PR);
 255         PRINT_DCR(UIC2TR);
 256         PRINT_DCR(UIC2MSR);
 257         PRINT_DCR(UIC2VR);
 258         PRINT_DCR(UIC2VCR);
 259 #endif
 260
 261 #if (UIC_MAX > 2)
 262         PRINT_DCR(UIC2SR);
 263         PRINT_DCR(UIC2ER);
 264         PRINT_DCR(UIC2CR);
 265         PRINT_DCR(UIC2PR);
 266         PRINT_DCR(UIC2TR);
 267         PRINT_DCR(UIC2MSR);
 268         PRINT_DCR(UIC2VR);
 269         PRINT_DCR(UIC2VCR);
 270 #endif
 271
 272 #if (UIC_MAX > 3)
 273         PRINT_DCR(UIC3SR);
 274         PRINT_DCR(UIC3ER);
 275         PRINT_DCR(UIC3CR);
 276         PRINT_DCR(UIC3PR);
 277         PRINT_DCR(UIC3TR);
 278         PRINT_DCR(UIC3MSR);
 279         PRINT_DCR(UIC3VR);
 280         PRINT_DCR(UIC3VCR);
 281 #endif
 282
 283 #if defined (CONFIG_405EP) || defined (CONFIG_405GP)
 284         printf ("\n\nDMA Channels\n");
 285         PRINT_DCR(DMASR);
 286         PRINT_DCR(DMASGC);
 287         PRINT_DCR(DMAADR);
 288
 289         PRINT_DCR(DMACR0);
 290         PRINT_DCR(DMACT0);
 291         PRINT_DCR(DMADA0);
 292         PRINT_DCR(DMASA0);
 293         PRINT_DCR(DMASB0);
 294
 295         PRINT_DCR(DMACR1);
 296         PRINT_DCR(DMACT1);
 297         PRINT_DCR(DMADA1);
 298         PRINT_DCR(DMASA1);
 299         PRINT_DCR(DMASB1);
 300
 301         PRINT_DCR(DMACR2);
 302         PRINT_DCR(DMACT2);
 303         PRINT_DCR(DMADA2);
 304         PRINT_DCR(DMASA2);
 305         PRINT_DCR(DMASB2);
 306
 307         PRINT_DCR(DMACR3);
 308         PRINT_DCR(DMACT3);
 309         PRINT_DCR(DMADA3);
 310         PRINT_DCR(DMASA3);
 311         PRINT_DCR(DMASB3);
 312 #endif
 313
 314         printf ("\n\nVarious HW-Configuration registers\n");
 315 #if defined (CONFIG_440EPX)
 316         PRINT_DCR(MAL0_CFG);
 317         PRINT_DCR(CPM0_ER);
 318         PRINT_DCR(CPM1_ER);
 319         PRINT_DCR(PLB4A0_ACR);
 320         PRINT_DCR(PLB4A1_ACR);
 321         PRINT_DCR(PLB3A0_ACR);
 322         PRINT_DCR(OPB2PLB40_BCTRL);
 323         PRINT_DCR(P4P3BO0_CFG);
 324 #endif
 325         n = ARRAY_SIZE(ppc4xx_reg);
 326         for (i = 0; i < n; i++) {
 327                 value = 0;
 328                 type = ppc4xx_reg[i].type;
 329                 switch (type) {
 330                 case IDCR1:     /* Indirect via SDRAM0_CFGADDR/DDR0_CFGDATA */
 331                         mtdcr(SDRAM0_CFGADDR, ppc4xx_reg[i].address);
 332                         value = mfdcr(SDRAM0_CFGDATA);
 333                         break;
 334                 case IDCR2:     /* Indirect via EBC0_CFGADDR/EBC0_CFGDATA */
 335                         mtdcr(EBC0_CFGADDR, ppc4xx_reg[i].address);
 336                         value = mfdcr(EBC0_CFGDATA);
 337                         break;
 338                 case IDCR5:     /* Indirect via CPR0_CFGADDR/CPR0_CFGDATA */
 339                         mtdcr(CPR0_CFGADDR, ppc4xx_reg[i].address);
 340                         value = mfdcr(CPR0_CFGDATA);
 341                         break;
 342                 case IDCR6:     /* Indirect via SDR0_CFGADDR/SDR0_CFGDATA */
 343                         mtdcr(SDR0_CFGADDR, ppc4xx_reg[i].address);
 344                         value = mfdcr(SDR0_CFGDATA);
 345                         break;
 346                 case MM:        /* Directly Accessed MMIO Register */
 347                         value = in_be32((const volatile unsigned __iomem *)
 348                                 ppc4xx_reg[i].address);
 349                         break;
 350                 default:
 351                         printf("\nERROR: struct entry %d: unknown register"
 352                                 "type\n", i);
 353                         break;
 354                 }
 355                 printf("0x%08x %-16s: 0x%08x\n",ppc4xx_reg[i].address,
 356                         ppc4xx_reg[i].name, value);
 357         }
 358 }