menuconfig IPM bool prompt "IPM drivers" default n help Include interrupt-based inter-processor mailboxes drivers in system configuration config IPM_QUARK_SE bool "Quark SE IPM driver" default n depends on IPM help Driver for Quark SE mailboxes config IPM_QUARK_SE_MASTER bool "Quark SE IPM master controller" default n depends on IPM_QUARK_SE help Enable this for the first CPU that initializes IPM. Sets up the initial interrupt mask and clears out all channels. Should be turned on for one CPU only.