CONFIG_NUM_2ND_LEVEL_AGGREGATORS¶

Total number of second level interrupt aggregators

Type: int

Help¶

The number of level 2 interrupt aggregators to support. Each
aggregator can manage at most MAX_IRQ_PER_AGGREGATOR level 2
interrupts.

Direct dependencies¶

BOARD_INTEL_ADSP_CAVS15 || BOARD_INTEL_ADSP_CAVS18 || BOARD_INTEL_ADSP_CAVS20 || BOARD_INTEL_ADSP_CAVS25 || BOARD_INTEL_S1000_CRB || (MULTI_LEVEL_INTERRUPTS && SOC_OPENISA_RV32M1_RISCV32) || (MULTI_LEVEL_INTERRUPTS && SOC_OPENISA_RV32M1_RISCV32) || 2ND_LEVEL_INTERRUPTS

(Includes any dependencies from ifs and menus.)

Defaults¶

Kconfig definitions¶

At <Zephyr Boards>/xtensa/intel_adsp_cavs15/Kconfig.defconfig:30

Included via Kconfig:8 → Kconfig.zephyr:22

Menu path: (Top)

config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 4
    depends on BOARD_INTEL_ADSP_CAVS15

At <Zephyr Boards>/xtensa/intel_adsp_cavs18/Kconfig.defconfig:30

Included via Kconfig:8 → Kconfig.zephyr:22

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config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 4
    depends on BOARD_INTEL_ADSP_CAVS18

At <Zephyr Boards>/xtensa/intel_adsp_cavs20/Kconfig.defconfig:30

Included via Kconfig:8 → Kconfig.zephyr:22

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config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 4
    depends on BOARD_INTEL_ADSP_CAVS20

At <Zephyr Boards>/xtensa/intel_adsp_cavs25/Kconfig.defconfig:30

Included via Kconfig:8 → Kconfig.zephyr:22

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config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 4
    depends on BOARD_INTEL_ADSP_CAVS25

At <Zephyr Boards>/xtensa/intel_s1000_crb/Kconfig.defconfig:34

Included via Kconfig:8 → Kconfig.zephyr:22

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config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 4
    depends on BOARD_INTEL_S1000_CRB

At <Zephyr SoC>/riscv/openisa_rv32m1/Kconfig.defconfig:55

Included via Kconfig:8 → Kconfig.zephyr:25 → <BuildDir>/kconfig/Kconfig.soc.defconfig:1

Menu path: (Top)

config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 8 if RV32M1_INTMUX_CHANNEL_7
    default 7 if RV32M1_INTMUX_CHANNEL_6
    default 6 if RV32M1_INTMUX_CHANNEL_5
    default 5 if RV32M1_INTMUX_CHANNEL_4
    default 4 if RV32M1_INTMUX_CHANNEL_3
    default 3 if RV32M1_INTMUX_CHANNEL_2
    default 2 if RV32M1_INTMUX_CHANNEL_1
    default 1
    depends on MULTI_LEVEL_INTERRUPTS && SOC_OPENISA_RV32M1_RISCV32

At <Zephyr SoC>/riscv/openisa_rv32m1/Kconfig.defconfig:55

Included via Kconfig:8 → Kconfig.zephyr:27

Menu path: (Top)

config NUM_2ND_LEVEL_AGGREGATORS
    int
    default 8 if RV32M1_INTMUX_CHANNEL_7
    default 7 if RV32M1_INTMUX_CHANNEL_6
    default 6 if RV32M1_INTMUX_CHANNEL_5
    default 5 if RV32M1_INTMUX_CHANNEL_4
    default 4 if RV32M1_INTMUX_CHANNEL_3
    default 3 if RV32M1_INTMUX_CHANNEL_2
    default 2 if RV32M1_INTMUX_CHANNEL_1
    default 1
    depends on MULTI_LEVEL_INTERRUPTS && SOC_OPENISA_RV32M1_RISCV32

At <Zephyr Driver>/interrupt_controller/Kconfig.multilevel:45

Included via Kconfig:8 → Kconfig.zephyr:42 → <Zephyr Driver>/Kconfig:28 → <Zephyr Driver>/interrupt_controller/Kconfig:48

Menu path: (Top) → Device Drivers → Interrupt Controllers → Multi-level interrupt support → Second-level interrupt support

config NUM_2ND_LEVEL_AGGREGATORS
    int "Total number of second level interrupt aggregators"
    range 1 8
    default 1
    depends on 2ND_LEVEL_INTERRUPTS
    help
      The number of level 2 interrupt aggregators to support. Each
      aggregator can manage at most MAX_IRQ_PER_AGGREGATOR level 2
      interrupts.

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