# SPDX-License-Identifier: GPL-2.0-only config NORTHBRIDGE_INTEL_I945 bool select HAVE_DEBUG_RAM_SETUP select VGA select INTEL_GMA_ACPI select INTEL_GMA_SSC_ALTERNATE_REF select INTEL_EDID select HAVE_VGA_TEXT_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT select USE_DDR2 select NEED_SMALL_2MB_PAGE_TABLES if NORTHBRIDGE_INTEL_I945 config VBOOT select VBOOT_STARTS_IN_BOOTBLOCK config NORTHBRIDGE_INTEL_SUBTYPE_I945GC def_bool n config NORTHBRIDGE_INTEL_SUBTYPE_I945GM def_bool n config VGA_BIOS_ID string default "8086,27a2" if NORTHBRIDGE_INTEL_SUBTYPE_I945GM default "8086,2772" if NORTHBRIDGE_INTEL_SUBTYPE_I945GC config I945_LVDS def_bool n select MAINBOARD_HAS_NATIVE_VGA_INIT select HAVE_LINEAR_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT help Selected by mainboards that use native graphics initialization for the LVDS port. A linear framebuffer is only supported for LVDS. config ECAM_MMCONF_BASE_ADDRESS default 0xf0000000 config ECAM_MMCONF_BUS_NUMBER int default 64 # This number must be equal or lower than what's reported in ACPI PCI _CRS config DOMAIN_RESOURCE_32BIT_LIMIT default 0xfec00000 config OVERRIDE_CLOCK_DISABLE bool default n help Usually system firmware turns off system memory clock signals to unused SO-DIMM slots to reduce EMI and power consumption. However, some boards do not like unused clock signals to be disabled. config MAXIMUM_SUPPORTED_FREQUENCY int default 0 help If non-zero, this designates the maximum DDR frequency the board supports, despite what the chipset should be capable of. config CHECK_SLFRCS_ON_RESUME def_bool n help On some boards it may be necessary to hard reset early during resume from S3 if the SLFRCS register indicates that a memory channel is not guaranteed to be in self-refresh. On other boards the check always creates a false positive, effectively making it impossible to resume. config SMM_RESERVED_SIZE hex default 0x100000 config MAX_CPUS int default 4 config FIXED_MCHBAR_MMIO_BASE default 0xfed14000 config FIXED_DMIBAR_MMIO_BASE default 0xfed18000 config FIXED_EPBAR_MMIO_BASE default 0xfed19000 endif