| /* inteltool - dump all registers on an Intel CPU + chipset based system */ |
| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include "inteltool.h" |
| |
| int print_rcba(struct pci_dev *sb) |
| { |
| int i, size = 0x4000; |
| volatile uint8_t *rcba; |
| uint32_t rcba_phys; |
| |
| printf("\n============= RCBA ==============\n\n"); |
| |
| switch (sb->device_id) { |
| case PCI_DEVICE_ID_INTEL_ICH6: |
| case PCI_DEVICE_ID_INTEL_ICH7: |
| case PCI_DEVICE_ID_INTEL_ICH7M: |
| case PCI_DEVICE_ID_INTEL_ICH7DH: |
| case PCI_DEVICE_ID_INTEL_ICH7MDH: |
| case PCI_DEVICE_ID_INTEL_ICH8: |
| case PCI_DEVICE_ID_INTEL_ICH8M: |
| case PCI_DEVICE_ID_INTEL_ICH8ME: |
| case PCI_DEVICE_ID_INTEL_ICH9DH: |
| case PCI_DEVICE_ID_INTEL_ICH9DO: |
| case PCI_DEVICE_ID_INTEL_ICH9R: |
| case PCI_DEVICE_ID_INTEL_ICH9: |
| case PCI_DEVICE_ID_INTEL_ICH9M: |
| case PCI_DEVICE_ID_INTEL_ICH9ME: |
| case PCI_DEVICE_ID_INTEL_ICH10: |
| case PCI_DEVICE_ID_INTEL_ICH10D: |
| case PCI_DEVICE_ID_INTEL_ICH10DO: |
| case PCI_DEVICE_ID_INTEL_ICH10R: |
| case PCI_DEVICE_ID_INTEL_NM10: |
| case PCI_DEVICE_ID_INTEL_I63XX: |
| case PCI_DEVICE_ID_INTEL_3400: |
| case PCI_DEVICE_ID_INTEL_3420: |
| case PCI_DEVICE_ID_INTEL_3450: |
| case PCI_DEVICE_ID_INTEL_3400_DESKTOP: |
| case PCI_DEVICE_ID_INTEL_3400_MOBILE: |
| case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF: |
| case PCI_DEVICE_ID_INTEL_B55_A: |
| case PCI_DEVICE_ID_INTEL_B55_B: |
| case PCI_DEVICE_ID_INTEL_H55: |
| case PCI_DEVICE_ID_INTEL_H57: |
| case PCI_DEVICE_ID_INTEL_HM55: |
| case PCI_DEVICE_ID_INTEL_HM57: |
| case PCI_DEVICE_ID_INTEL_P55: |
| case PCI_DEVICE_ID_INTEL_PM55: |
| case PCI_DEVICE_ID_INTEL_Q57: |
| case PCI_DEVICE_ID_INTEL_QM57: |
| case PCI_DEVICE_ID_INTEL_QS57: |
| case PCI_DEVICE_ID_INTEL_Z68: |
| case PCI_DEVICE_ID_INTEL_P67: |
| case PCI_DEVICE_ID_INTEL_UM67: |
| case PCI_DEVICE_ID_INTEL_HM65: |
| case PCI_DEVICE_ID_INTEL_H67: |
| case PCI_DEVICE_ID_INTEL_HM67: |
| case PCI_DEVICE_ID_INTEL_Q65: |
| case PCI_DEVICE_ID_INTEL_QS67: |
| case PCI_DEVICE_ID_INTEL_Q67: |
| case PCI_DEVICE_ID_INTEL_QM67: |
| case PCI_DEVICE_ID_INTEL_B65: |
| case PCI_DEVICE_ID_INTEL_C202: |
| case PCI_DEVICE_ID_INTEL_C204: |
| case PCI_DEVICE_ID_INTEL_C206: |
| case PCI_DEVICE_ID_INTEL_H61: |
| case PCI_DEVICE_ID_INTEL_Z77: |
| case PCI_DEVICE_ID_INTEL_Z75: |
| case PCI_DEVICE_ID_INTEL_Q77: |
| case PCI_DEVICE_ID_INTEL_Q75: |
| case PCI_DEVICE_ID_INTEL_B75: |
| case PCI_DEVICE_ID_INTEL_H77: |
| case PCI_DEVICE_ID_INTEL_C216: |
| case PCI_DEVICE_ID_INTEL_QM77: |
| case PCI_DEVICE_ID_INTEL_QS77: |
| case PCI_DEVICE_ID_INTEL_HM77: |
| case PCI_DEVICE_ID_INTEL_UM77: |
| case PCI_DEVICE_ID_INTEL_HM76: |
| case PCI_DEVICE_ID_INTEL_HM75: |
| case PCI_DEVICE_ID_INTEL_HM70: |
| case PCI_DEVICE_ID_INTEL_NM70: |
| case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_FULL: |
| case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_PREM: |
| case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_BASE: |
| case PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_PREM: |
| case PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP: |
| case PCI_DEVICE_ID_INTEL_C8_MOBILE: |
| case PCI_DEVICE_ID_INTEL_C8_DESKTOP: |
| case PCI_DEVICE_ID_INTEL_Z87: |
| case PCI_DEVICE_ID_INTEL_Z85: |
| case PCI_DEVICE_ID_INTEL_HM86: |
| case PCI_DEVICE_ID_INTEL_H87: |
| case PCI_DEVICE_ID_INTEL_HM87: |
| case PCI_DEVICE_ID_INTEL_Q85: |
| case PCI_DEVICE_ID_INTEL_Q87: |
| case PCI_DEVICE_ID_INTEL_QM87: |
| case PCI_DEVICE_ID_INTEL_B85: |
| case PCI_DEVICE_ID_INTEL_C222: |
| case PCI_DEVICE_ID_INTEL_C224: |
| case PCI_DEVICE_ID_INTEL_C226: |
| case PCI_DEVICE_ID_INTEL_H81: |
| case PCI_DEVICE_ID_INTEL_C9_MOBILE: |
| case PCI_DEVICE_ID_INTEL_C9_DESKTOP: |
| case PCI_DEVICE_ID_INTEL_HM97: |
| case PCI_DEVICE_ID_INTEL_Z97: |
| case PCI_DEVICE_ID_INTEL_H97: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_PRE: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_SKL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_SKL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_SKL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_BASE_KBL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_PREM_KBL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_PREM_KBL: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_BASE: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_U_IHDCP_PREM: |
| case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_Y_IHDCP_PREM: |
| rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe; |
| break; |
| case PCI_DEVICE_ID_INTEL_ICH: |
| case PCI_DEVICE_ID_INTEL_ICH0: |
| case PCI_DEVICE_ID_INTEL_ICH2: |
| case PCI_DEVICE_ID_INTEL_ICH4: |
| case PCI_DEVICE_ID_INTEL_ICH4M: |
| case PCI_DEVICE_ID_INTEL_ICH5: |
| case PCI_DEVICE_ID_INTEL_ADL_N: |
| printf("This southbridge does not have RCBA.\n"); |
| return 1; |
| default: |
| printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n"); |
| return 1; |
| } |
| |
| rcba = map_physical(rcba_phys, size); |
| |
| if (rcba == NULL) { |
| perror("Error mapping RCBA"); |
| printf("Try booting with iomem=relaxed.\n"); |
| exit(1); |
| } |
| |
| printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys); |
| |
| for (i = 0; i < size; i += 4) { |
| if (read32(rcba + i)) |
| printf("0x%04x: 0x%08x\n", i, read32(rcba + i)); |
| } |
| |
| print_iobp(sb, rcba); |
| |
| unmap_physical((void *)rcba, size); |
| return 0; |
| } |