diff options
Diffstat (limited to 'util/inteltool/pcr.c')
| -rw-r--r-- | util/inteltool/pcr.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/util/inteltool/pcr.c b/util/inteltool/pcr.c index 7223e19fff..4e759057a3 100644 --- a/util/inteltool/pcr.c +++ b/util/inteltool/pcr.c @@ -70,11 +70,36 @@ void pcr_init(struct pci_dev *const sb) { bool error_exit = false; bool p2sb_revealed = false; + struct pci_dev *p2sb; if (sbbar) return; - struct pci_dev *const p2sb = pci_get_dev(sb->access, 0, 0, 0x1f, 1); + switch (sb->device_id) { + case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_PRE: + case PCI_DEVICE_ID_INTEL_H110: + case PCI_DEVICE_ID_INTEL_H170: + case PCI_DEVICE_ID_INTEL_Z170: + case PCI_DEVICE_ID_INTEL_Q170: + case PCI_DEVICE_ID_INTEL_Q150: + case PCI_DEVICE_ID_INTEL_B150: + case PCI_DEVICE_ID_INTEL_C236: + case PCI_DEVICE_ID_INTEL_C232: + case PCI_DEVICE_ID_INTEL_QM170: + case PCI_DEVICE_ID_INTEL_HM170: + case PCI_DEVICE_ID_INTEL_CM236: + case PCI_DEVICE_ID_INTEL_HM175: + case PCI_DEVICE_ID_INTEL_QM175: + case PCI_DEVICE_ID_INTEL_CM238: + p2sb = pci_get_dev(sb->access, 0, 0, 0x1f, 1); + break; + case PCI_DEVICE_ID_INTEL_APL_LPC: + p2sb = pci_get_dev(sb->access, 0, 0, 0x0d, 0); + break; + default: + perror("Unknown LPC device."); + exit(1); + } if (!p2sb) { perror("Can't allocate device node for P2SB."); @@ -86,8 +111,8 @@ void pcr_init(struct pci_dev *const sb) if (p2sb->vendor_id == 0xffff && p2sb->device_id == 0xffff) { printf("Trying to reveal Primary to Sideband Bridge " "(P2SB),\nlet's hope the OS doesn't mind... "); - /* Do not use pci_write_long(). Surrounding - bytes 0xe0 must be maintained. */ + /* Do not use pci_write_long(). Bytes + surrounding 0xe0 must be maintained. */ pci_write_byte(p2sb, 0xe0 + 1, 0); pci_fill_info(p2sb, PCI_FILL_IDENT | PCI_FILL_RESCAN); |