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