1## SPDX-License-Identifier: GPL-2.0-only 2 3config DRIVERS_MC146818 4 bool 5 default y if ARCH_X86 6 depends on PC80_SYSTEM 7 8config USE_PC_CMOS_ALTCENTURY 9 bool "Use legacy-BIOS alt-century byte in CMOS" 10 default y if !USE_OPTION_TABLE 11 depends on DRIVERS_MC146818 12 help 13 May be useful for legacy OSes that assume its presence. 14 15config PC_CMOS_BASE_PORT_BANK0 16 hex 17 default 0x70 18 19config PC_CMOS_BASE_PORT_BANK1 20 hex 21 default 0x72 22