CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC:

This option specifies the frequency of the hardware timer used for the system clock (in Hz). This option is set by the board’s Kconfig file and the user should generally avoid modifying it via the menu configuration.

Symbol:

SYS_CLOCK_HW_CYCLES_PER_SEC
Type:

int
Value:

“1000000”
User value:

(no user value)
Visibility:

“y”
Is choice item:

false
Is defined:

true
Is from env.:

false
Is special:

false
Ranges:
  • [1000000, 1000000000]
Prompts:
  • “Hardware clock cycles per second, 2000000 for ISS”
  • “System clock’s h/w timer frequency”
Default values:
  • 2000000 (value: “n”)
  • Condition: (none)
  • 5000000 (value: “n”)
  • Condition: (none)
  • 10000000 (value: “n”)
  • Condition: (none)
  • 150000000 (value: “n”)
  • Condition: LOAPIC_TIMER (value: “n”)
  • 25000000 (value: “n”)
  • Condition: HPET_TIMER (value: “n”)
  • 150000000 (value: “n”)
  • Condition: LOAPIC_TIMER (value: “n”)
  • 25000000 (value: “n”)
  • Condition: HPET_TIMER (value: “n”)
  • 32000000 (value: “n”)
  • Condition: (none)
  • 32000000 (value: “n”)
  • Condition: (none)
  • 25000000 (value: “n”)
  • Condition: HPET_TIMER (value: “n”)
  • 50000000 (value: “n”)
  • Condition: (none)
  • 50000000 (value: “n”)
  • Condition: (none)
  • 300000000 (value: “n”)
  • Condition: (none)
  • 80000000 (value: “n”)
  • Condition: (none)
  • 24000000 (value: “n”)
  • Condition: (none)
  • 25000000 (value: “n”)
  • Condition: (none)
  • 84000000 (value: “n”)
  • Condition: (none)
  • 32768 (value: “n”)
  • Condition: (none)
  • 32768 (value: “n”)
  • Condition: (none)
  • 12000000 (value: “n”)
  • Condition: (none)
  • 20000000 (value: “n”)
  • Condition: (none)
  • 32000000 (value: “n”)
  • Condition: (none)
  • 30000000 (value: “n”)
  • Condition: (none)
  • 20000000 (value: “n”)
  • Condition: (none)
Selects:

(no selects)
Reverse (select-related) dependencies:
 

(no reverse dependencies)
Additional dependencies from enclosing menus and ifs:
 

SOC_EM9D (value: “n”)
Locations:
  • ../arch/xtensa/Kconfig:20
  • ../kernel/Kconfig:435
  • ../arch/riscv32/soc/pulpino/Kconfig.defconfig:7
  • ../arch/riscv32/soc/riscv32-qemu/Kconfig.defconfig:7
  • ../arch/x86/soc/atom/Kconfig.defconfig:27
  • ../arch/x86/soc/ia32/Kconfig.defconfig:27
  • ../arch/x86/soc/intel_quark/quark_d2000/Kconfig.defconfig.series:19
  • ../arch/x86/soc/intel_quark/quark_se/Kconfig.defconfig.series:31
  • ../arch/x86/soc/intel_quark/quark_x1000/Kconfig.defconfig.series:27
  • ../arch/nios2/soc/nios2-qemu/Kconfig.defconfig:7
  • ../arch/nios2/soc/nios2f-zephyr/Kconfig.defconfig:7
  • ../arch/arm/soc/atmel_sam/same70/Kconfig.defconfig.series:37
  • ../arch/arm/soc/ti_simplelink/cc32xx/Kconfig.defconfig.cc3200:10
  • ../arch/arm/soc/arm/beetle/Kconfig.defconfig.series:34
  • ../arch/arm/soc/arm/mps2/Kconfig.defconfig.series:16
  • ../arch/arm/soc/atmel_sam3/Kconfig.defconfig:27
  • ../arch/arm/soc/nordic_nrf5/nrf52/Kconfig.defconfig.series:15
  • ../arch/arm/soc/nordic_nrf5/nrf51/Kconfig.defconfig.series:15
  • ../arch/arm/soc/ti_lm3s6965/Kconfig.defconfig:30
  • ../arch/arc/soc/em11d/Kconfig.defconfig:27
  • ../arch/arc/soc/quark_se_c1000_ss/Kconfig.defconfig:25
  • ../arch/arc/soc/em7d/Kconfig.defconfig:27
  • ../arch/arc/soc/em9d/Kconfig.defconfig:27