util/inteltool/rootcmplx.c

   1 /* inteltool - dump all registers on an Intel CPU + chipset based system */
   2 /* SPDX-License-Identifier: GPL-2.0-only */
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include "inteltool.h"
   7
   8 int print_rcba(struct pci_dev *sb)
   9 {
  10         int i, size = 0x4000;
  11         volatile uint8_t *rcba;
  12         uint32_t rcba_phys;
  13
  14         printf("\n============= RCBA ==============\n\n");
  15
  16         switch (sb->device_id) {
  17         case PCI_DEVICE_ID_INTEL_ICH6:
  18         case PCI_DEVICE_ID_INTEL_ICH7:
  19         case PCI_DEVICE_ID_INTEL_ICH7M:
  20         case PCI_DEVICE_ID_INTEL_ICH7DH:
  21         case PCI_DEVICE_ID_INTEL_ICH7MDH:
  22         case PCI_DEVICE_ID_INTEL_ICH8:
  23         case PCI_DEVICE_ID_INTEL_ICH8M:
  24         case PCI_DEVICE_ID_INTEL_ICH8ME:
  25         case PCI_DEVICE_ID_INTEL_ICH9DH:
  26         case PCI_DEVICE_ID_INTEL_ICH9DO:
  27         case PCI_DEVICE_ID_INTEL_ICH9R:
  28         case PCI_DEVICE_ID_INTEL_ICH9:
  29         case PCI_DEVICE_ID_INTEL_ICH9M:
  30         case PCI_DEVICE_ID_INTEL_ICH9ME:
  31         case PCI_DEVICE_ID_INTEL_ICH10:
  32         case PCI_DEVICE_ID_INTEL_ICH10D:
  33         case PCI_DEVICE_ID_INTEL_ICH10DO:
  34         case PCI_DEVICE_ID_INTEL_ICH10R:
  35         case PCI_DEVICE_ID_INTEL_NM10:
  36         case PCI_DEVICE_ID_INTEL_I63XX:
  37         case PCI_DEVICE_ID_INTEL_3400:
  38         case PCI_DEVICE_ID_INTEL_3420:
  39         case PCI_DEVICE_ID_INTEL_3450:
  40         case PCI_DEVICE_ID_INTEL_3400_DESKTOP:
  41         case PCI_DEVICE_ID_INTEL_3400_MOBILE:
  42         case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF:
  43         case PCI_DEVICE_ID_INTEL_B55_A:
  44         case PCI_DEVICE_ID_INTEL_B55_B:
  45         case PCI_DEVICE_ID_INTEL_H55:
  46         case PCI_DEVICE_ID_INTEL_H57:
  47         case PCI_DEVICE_ID_INTEL_HM55:
  48         case PCI_DEVICE_ID_INTEL_HM57:
  49         case PCI_DEVICE_ID_INTEL_P55:
  50         case PCI_DEVICE_ID_INTEL_PM55:
  51         case PCI_DEVICE_ID_INTEL_Q57:
  52         case PCI_DEVICE_ID_INTEL_QM57:
  53         case PCI_DEVICE_ID_INTEL_QS57:
  54         case PCI_DEVICE_ID_INTEL_Z68:
  55         case PCI_DEVICE_ID_INTEL_P67:
  56         case PCI_DEVICE_ID_INTEL_UM67:
  57         case PCI_DEVICE_ID_INTEL_HM65:
  58         case PCI_DEVICE_ID_INTEL_H67:
  59         case PCI_DEVICE_ID_INTEL_HM67:
  60         case PCI_DEVICE_ID_INTEL_Q65:
  61         case PCI_DEVICE_ID_INTEL_QS67:
  62         case PCI_DEVICE_ID_INTEL_Q67:
  63         case PCI_DEVICE_ID_INTEL_QM67:
  64         case PCI_DEVICE_ID_INTEL_B65:
  65         case PCI_DEVICE_ID_INTEL_C202:
  66         case PCI_DEVICE_ID_INTEL_C204:
  67         case PCI_DEVICE_ID_INTEL_C206:
  68         case PCI_DEVICE_ID_INTEL_H61:
  69         case PCI_DEVICE_ID_INTEL_Z77:
  70         case PCI_DEVICE_ID_INTEL_Z75:
  71         case PCI_DEVICE_ID_INTEL_Q77:
  72         case PCI_DEVICE_ID_INTEL_Q75:
  73         case PCI_DEVICE_ID_INTEL_B75:
  74         case PCI_DEVICE_ID_INTEL_H77:
  75         case PCI_DEVICE_ID_INTEL_C216:
  76         case PCI_DEVICE_ID_INTEL_QM77:
  77         case PCI_DEVICE_ID_INTEL_QS77:
  78         case PCI_DEVICE_ID_INTEL_HM77:
  79         case PCI_DEVICE_ID_INTEL_UM77:
  80         case PCI_DEVICE_ID_INTEL_HM76:
  81         case PCI_DEVICE_ID_INTEL_HM75:
  82         case PCI_DEVICE_ID_INTEL_HM70:
  83         case PCI_DEVICE_ID_INTEL_NM70:
  84         case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_FULL:
  85         case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_PREM:
  86         case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_BASE:
  87         case PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_PREM:
  88         case PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP:
  89         case PCI_DEVICE_ID_INTEL_C8_MOBILE:
  90         case PCI_DEVICE_ID_INTEL_C8_DESKTOP:
  91         case PCI_DEVICE_ID_INTEL_Z87:
  92         case PCI_DEVICE_ID_INTEL_Z85:
  93         case PCI_DEVICE_ID_INTEL_HM86:
  94         case PCI_DEVICE_ID_INTEL_H87:
  95         case PCI_DEVICE_ID_INTEL_HM87:
  96         case PCI_DEVICE_ID_INTEL_Q85:
  97         case PCI_DEVICE_ID_INTEL_Q87:
  98         case PCI_DEVICE_ID_INTEL_QM87:
  99         case PCI_DEVICE_ID_INTEL_B85:
 100         case PCI_DEVICE_ID_INTEL_C222:
 101         case PCI_DEVICE_ID_INTEL_C224:
 102         case PCI_DEVICE_ID_INTEL_C226:
 103         case PCI_DEVICE_ID_INTEL_H81:
 104         case PCI_DEVICE_ID_INTEL_C9_MOBILE:
 105         case PCI_DEVICE_ID_INTEL_C9_DESKTOP:
 106         case PCI_DEVICE_ID_INTEL_HM97:
 107         case PCI_DEVICE_ID_INTEL_Z97:
 108         case PCI_DEVICE_ID_INTEL_H97:
 109         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_PRE:
 110         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_SKL:
 111         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_SKL:
 112         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_SKL:
 113         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_KBL:
 114         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_KBL:
 115         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_KBL:
 116         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_BASE:
 117         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_PREM:
 118         case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_IHDCP_PREM:
 119                 rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
 120                 break;
 121         case PCI_DEVICE_ID_INTEL_ICH:
 122         case PCI_DEVICE_ID_INTEL_ICH0:
 123         case PCI_DEVICE_ID_INTEL_ICH2:
 124         case PCI_DEVICE_ID_INTEL_ICH4:
 125         case PCI_DEVICE_ID_INTEL_ICH4M:
 126         case PCI_DEVICE_ID_INTEL_ICH5:
 127         case PCI_DEVICE_ID_INTEL_ADL_N:
 128                 printf("This southbridge does not have RCBA.\n");
 129                 return 1;
 130         default:
 131                 printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n");
 132                 return 1;
 133         }
 134
 135         rcba = map_physical(rcba_phys, size);
 136
 137         if (rcba == NULL) {
 138                 perror("Error mapping RCBA");
 139                 printf("Try booting with iomem=relaxed.\n");
 140                 exit(1);
 141         }
 142
 143         printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys);
 144
 145         for (i = 0; i < size; i += 4) {
 146                 if (read32(rcba + i))
 147                         printf("0x%04x: 0x%08x\n", i, read32(rcba + i));
 148         }
 149
 150         print_iobp(sb, rcba);
 151
 152         unmap_physical((void *)rcba, size);
 153         return 0;
 154 }