CONFIG_ESPI_NPCX_PERIPHERAL_ACPI_SHD_MEM_SIZE

Host I/O peripheral port size for shared memory in npcx series

Type: int

Help

This is the port size used by the Host and EC to communicate over
the shared memory region to return the ACPI response data. Please
notice the valid value in npcx ec series for this option is 8/16/32/
64/128/256/512/1024/2048/4096 bytes.

Direct dependencies

(ESPI_NPCX || ESPI_PERIPHERAL_ACPI_SHM_REGION) && ESPI

(Includes any dependencies from ifs and menus.)

Default

• 256

Kconfig definition

At <Zephyr>/drivers/espi/Kconfig.npcx:13

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:40 → <Zephyr>/drivers/Kconfig:90 → <Zephyr>/drivers/espi/Kconfig:15

Menu path: (Top) → Device Drivers → ESPI Driver

config ESPI_NPCX_PERIPHERAL_ACPI_SHD_MEM_SIZE
    int "Host I/O peripheral port size for shared memory in npcx series"
    default 256
    depends on (ESPI_NPCX || ESPI_PERIPHERAL_ACPI_SHM_REGION) && ESPI
    help
      This is the port size used by the Host and EC to communicate over
      the shared memory region to return the ACPI response data. Please
      notice the valid value in npcx ec series for this option is 8/16/32/
      64/128/256/512/1024/2048/4096 bytes.

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