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config PARALLEL_CPU_INIT
bool
default n
config UDELAY_IO
bool
default y if !UDELAY_LAPIC && !UDELAY_TSC && !UDELAY_TIMER2
default n
config UDELAY_LAPIC
bool
default n
config LAPIC_MONOTONIC_TIMER
def_bool n
depends on UDELAY_LAPIC
select HAVE_MONOTONIC_TIMER
help
Expose monotonic time using the local apic.
config UDELAY_LAPIC_FIXED_FSB
int
config UDELAY_TSC
bool
default n
config TSC_CONSTANT_RATE
def_bool n
depends on UDELAY_TSC
help
This option asserts that the TSC ticks at a known constant rate.
Therefore, no TSC calibration is required.
config TSC_MONOTONIC_TIMER
def_bool n
depends on UDELAY_TSC
select HAVE_MONOTONIC_TIMER
help
Expose monotonic time using the TSC.
config UDELAY_TIMER2
bool
default n
config TSC_CALIBRATE_WITH_IO
bool
default n
config TSC_SYNC_LFENCE
bool
default n
help
The CPU driver should select this if the CPU needs
to execute an lfence instruction in order to synchronize
rdtsc. This is true for all modern AMD CPUs.
config TSC_SYNC_MFENCE
bool
default n
help
The CPU driver should select this if the CPU needs
to execute an mfence instruction in order to synchronize
rdtsc. This is true for all modern Intel CPUs.
config XIP_ROM_SIZE
hex
default ROM_SIZE if ROMCC
default 0x10000
config CPU_ADDR_BITS
int
default 36
config LOGICAL_CPUS
bool
default y
config SMM_TSEG
bool
default n
select RELOCATABLE_MODULES
config SMM_MODULE_HEAP_SIZE
hex
default 0x4000
depends on SMM_TSEG
help
This option determines the size of the heap within the SMM handler
modules.
config SMM_LAPIC_REMAP_MITIGATION
bool
default y if NORTHBRIDGE_INTEL_I945
default y if NORTHBRIDGE_INTEL_GM45
default y if NORTHBRIDGE_INTEL_NEHALEM
default n
config X86_AMD_FIXED_MTRRS
bool
default n
help
This option informs the MTRR code to use the RdMem and WrMem fields
in the fixed MTRR MSRs.
config PLATFORM_USES_FSP1_0
bool
default n
help
Selected for Intel processors/platform combinations that use the
Intel Firmware Support Package (FSP) 1.0 for initialization.
config PARALLEL_MP
def_bool n
help
This option uses common MP infrastructure for bringing up APs
in parallel. It additionally provides a more flexible mechanism
for sequencing the steps of bringing up the APs.
config BACKUP_DEFAULT_SMM_REGION
def_bool n
help
The CPU support will select this option if the default SMM region
needs to be backed up for suspend/resume purposes.
config MIRROR_PAYLOAD_TO_RAM_BEFORE_LOADING
def_bool n
help
On certain platforms a boot speed gain can be realized if mirroring
the payload data stored in non-volatile storage. On x86 systems the
payload would typically live in a memory-mapped SPI part. Copying
the SPI contents to RAM before performing the load can speed up
the boot process.
config BOOT_MEDIA_SPI_BUS
int
default 0
depends on SPI_FLASH
help
Most x86 systems which boot from SPI flash boot using bus 0.
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