CONFIG_APIC_TIMER_TSC_M

TSC to local APIC timer frequency divisor (M)

Type: int

Direct dependencies

(APIC_TIMER_TSC && APIC_TIMER && SOC_APOLLO_LAKE) || (APIC_TIMER_TSC && APIC_TIMER && SOC_ELKHART_LAKE) || (APIC_TIMER_TSC && APIC_TIMER)

(Includes any dependencies from ifs and menus.)

Defaults

• 3

• 3

• 1

Kconfig definitions

At <Zephyr>/soc/x86/apollo_lake/Kconfig.defconfig:34

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:19 → <BuildDir>/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config APIC_TIMER_TSC_M
    int
    default 3
    depends on APIC_TIMER_TSC && APIC_TIMER && SOC_APOLLO_LAKE

---

At <Zephyr>/soc/x86/elkhart_lake/Kconfig.defconfig:34

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:19 → <BuildDir>/Kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config APIC_TIMER_TSC_M
    int
    default 3
    depends on APIC_TIMER_TSC && APIC_TIMER && SOC_ELKHART_LAKE

---

At <Zephyr>/drivers/timer/Kconfig:46

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:32 → <Zephyr>/drivers/Kconfig:28

Menu path: (Top) → Device Drivers → Timer Drivers → New local APIC timer → Use invariant TSC for z_timer_cycle_get_32()

config APIC_TIMER_TSC_M
    int "TSC to local APIC timer frequency divisor (M)"
    default 1
    depends on APIC_TIMER_TSC && APIC_TIMER

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)