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#
# From Coreboot src/northbridge/intel/sandybridge/Kconfig
#
# Copyright (C) 2010 Google Inc.
#
# SPDX-License-Identifier: GPL-2.0
config NORTHBRIDGE_INTEL_SANDYBRIDGE
bool
select CACHE_MRC_BIN
select CPU_INTEL_MODEL_206AX
config NORTHBRIDGE_INTEL_IVYBRIDGE
bool
select CACHE_MRC_BIN
select CPU_INTEL_MODEL_306AX
if NORTHBRIDGE_INTEL_SANDYBRIDGE
config VGA_BIOS_ID
string
default "8086,0106"
config CACHE_MRC_SIZE_KB
int
default 256
config MRC_CACHE_BASE
hex
default 0xff800000
config MRC_CACHE_LOCATION
hex
depends on !CHROMEOS
default 0x1ec000
config MRC_CACHE_SIZE
hex
depends on !CHROMEOS
default 0x10000
config DCACHE_RAM_BASE
hex
default 0xff7f0000
config DCACHE_RAM_SIZE
hex
default 0x10000
endif
if NORTHBRIDGE_INTEL_IVYBRIDGE
config VGA_BIOS_ID
string
default "8086,0166"
config EXTERNAL_MRC_BLOB
bool
default n
config CACHE_MRC_SIZE_KB
int
default 512
config MRC_CACHE_BASE
hex
default 0xff800000
config MRC_CACHE_LOCATION
hex
depends on !CHROMEOS
default 0x370000
config MRC_CACHE_SIZE
hex
depends on !CHROMEOS
default 0x10000
config DCACHE_RAM_BASE
hex
default 0xff7e0000
config DCACHE_RAM_SIZE
hex
default 0x20000
endif
if NORTHBRIDGE_INTEL_SANDYBRIDGE || NORTHBRIDGE_INTEL_IVYBRIDGE
config HAVE_MRC
bool "Add a System Agent binary"
help
Select this option to add a System Agent binary to
the resulting U-Boot image. MRC stands for Memory Reference Code.
It is a binary blob which U-Boot uses to set up SDRAM.
Note: Without this binary U-Boot will not be able to set up its
SDRAM so will not boot.
config DCACHE_RAM_MRC_VAR_SIZE
hex
default 0x4000
help
This is the amount of CAR (Cache as RAM) reserved for use by the
memory reference code. This should be set to 16KB (0x4000 hex)
so that MRC has enough space to run.
config MRC_FILE
string "Intel System Agent path and filename"
depends on HAVE_MRC
default "systemagent-ivybridge.bin" if NORTHBRIDGE_INTEL_IVYBRIDGE
default "systemagent-sandybridge.bin" if NORTHBRIDGE_INTEL_SANDYBRIDGE
help
The path and filename of the file to use as System Agent
binary.
config CPU_SPECIFIC_OPTIONS
def_bool y
select SMM_TSEG
select ARCH_BOOTBLOCK_X86_32
select ARCH_ROMSTAGE_X86_32
select ARCH_RAMSTAGE_X86_32
select SMP
select SSE2
select UDELAY_LAPIC
select CPU_MICROCODE_IN_CBFS
select TSC_SYNC_MFENCE
select HAVE_INTEL_ME
config SMM_TSEG_SIZE
hex
default 0x800000
config ENABLE_VMX
bool "Enable VMX for virtualization"
default n
help
Virtual Machine Extensions are provided in many x86 CPUs. These
provide various facilities for allowing a host OS to provide an
environment where potentially several guest OSes have only
limited access to the underlying hardware. This is achieved
without resorting to software trapping and/or instruction set
emulation (which would be very slow).
Intel's implementation of this is called VT-x. This option enables
VT-x this so that the OS that is booted by U-Boot can make use of
these facilities. If this option is not enabled, then the host OS
will be unable to support virtualisation, or it will run very
slowly.
endif
config CPU_INTEL_SOCKET_RPGA989
bool
if CPU_INTEL_SOCKET_RPGA989
config SOCKET_SPECIFIC_OPTIONS # dummy
def_bool y
select MMX
select SSE
select CACHE_AS_RAM
config CACHE_MRC_BIN
bool
default n
endif
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