diff options
Diffstat (limited to 'drivers/watchdog/sp5100_tco.c')
| -rw-r--r-- | drivers/watchdog/sp5100_tco.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index e02399ea8730..86ffb58fbc85 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -87,6 +87,10 @@ static enum tco_reg_layout tco_reg_layout(struct pci_dev *dev) dev->revision < 0x40) { return sp5100; } else if (dev->vendor == PCI_VENDOR_ID_AMD && + sp5100_tco_pci->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS && + sp5100_tco_pci->revision >= AMD_ZEN_SMBUS_PCI_REV) { + return efch_mmio; + } else if (dev->vendor == PCI_VENDOR_ID_AMD && ((dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS && dev->revision >= 0x41) || (dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS && @@ -459,18 +463,6 @@ static int sp5100_tco_setupdevice(struct device *dev, break; case efch: dev_name = SB800_DEVNAME; - /* - * On Family 17h devices, the EFCH_PM_DECODEEN_WDT_TMREN bit of - * EFCH_PM_DECODEEN not only enables the EFCH_PM_WDT_ADDR memory - * region, it also enables the watchdog itself. - */ - if (boot_cpu_data.x86 == 0x17) { - val = sp5100_tco_read_pm_reg8(EFCH_PM_DECODEEN); - if (!(val & EFCH_PM_DECODEEN_WDT_TMREN)) { - sp5100_tco_update_pm_reg8(EFCH_PM_DECODEEN, 0xff, - EFCH_PM_DECODEEN_WDT_TMREN); - } - } val = sp5100_tco_read_pm_reg8(EFCH_PM_DECODEEN); if (val & EFCH_PM_DECODEEN_WDT_TMREN) mmio_addr = EFCH_PM_WDT_ADDR; |