:orphan:

.. title:: APIC_TIMER_TSC_N

.. option:: CONFIG_APIC_TIMER_TSC_N

*TSC to local APIC timer frequency multiplier (N)*

Type: ``int``

Direct dependencies
===================

(\ :option:`APIC_TIMER <CONFIG_APIC_TIMER>` && (\ :option:`BOARD_EHL_CRB <CONFIG_BOARD_EHL_CRB>` || \ :option:`BOARD_EHL_CRB_SBL <CONFIG_BOARD_EHL_CRB_SBL>`)) || (\ :option:`APIC_TIMER <CONFIG_APIC_TIMER>` && \ :option:`BOARD_UP_SQUARED <CONFIG_BOARD_UP_SQUARED>`) || (\ :option:`APIC_TIMER_TSC <CONFIG_APIC_TIMER_TSC>` && \ :option:`APIC_TIMER <CONFIG_APIC_TIMER>`)

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- 249
- 249
- 1

Kconfig definitions
===================



At ``<Zephyr Boards>/x86/ehl_crb/Kconfig.defconfig:36``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. code-block:: kconfig

    config APIC_TIMER_TSC_N
    	int
    	default 249
    	depends on APIC_TIMER && (BOARD_EHL_CRB || BOARD_EHL_CRB_SBL)

----

At ``<Zephyr Boards>/x86/up_squared/Kconfig.defconfig:28``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. code-block:: kconfig

    config APIC_TIMER_TSC_N
    	int
    	default 249
    	depends on APIC_TIMER && BOARD_UP_SQUARED

----

At ``<Zephyr Driver>/timer/Kconfig:45``

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

Menu path: (Top) → Device Drivers → Timer Drivers → New local APIC timer → Use invariant TSC for sys_clock_cycle_get_32()

.. code-block:: kconfig

    config APIC_TIMER_TSC_N
    	int "TSC to local APIC timer frequency multiplier (N)"
    	default 1
    	depends on APIC_TIMER_TSC && APIC_TIMER

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*