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Searched refs:busnbits (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/arch/x86/kernel/
Dmmconf-fam10h_64.c183 unsigned busnbits; in fam10h_check_enable_mmcfg() local
184 busnbits = (val >> FAM10H_MMIO_CONF_BUSRANGE_SHIFT) & in fam10h_check_enable_mmcfg()
188 if (!acpi_pci_disabled || busnbits >= 8) { in fam10h_check_enable_mmcfg()
/Linux-v4.19/arch/x86/pci/
Dmmconfig-shared.c193 unsigned segnbits = 0, busnbits, end_bus; in pci_mmcfg_amd_fam10h() local
212 busnbits = (msr >> FAM10H_MMIO_CONF_BUSRANGE_SHIFT) & in pci_mmcfg_amd_fam10h()
219 if (!busnbits) in pci_mmcfg_amd_fam10h()
222 if (busnbits > 8) { in pci_mmcfg_amd_fam10h()
223 segnbits = busnbits - 8; in pci_mmcfg_amd_fam10h()
224 busnbits = 8; in pci_mmcfg_amd_fam10h()
227 end_bus = (1 << busnbits) - 1; in pci_mmcfg_amd_fam10h()