^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) # Platform support for Mellanox hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) menuconfig MELLANOX_PLATFORM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) bool "Platform support for Mellanox hardware"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) depends on X86 || ARM || ARM64 || COMPILE_TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) Say Y here to get to see options for platform support for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) Mellanox systems. This option alone does not add any kernel code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) If you say N, all options in this submenu will be skipped and disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) if MELLANOX_PLATFORM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) config MLXREG_HOTPLUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) tristate "Mellanox platform hotplug driver support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) depends on REGMAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) depends on HWMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) depends on I2C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) This driver handles hot-plug events for the power suppliers, power
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) cables and fans on the wide range Mellanox IB and Ethernet systems.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) config MLXREG_IO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) tristate "Mellanox platform register access driver support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) depends on REGMAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) depends on HWMON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) This driver allows access to Mellanox programmable device register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) space through sysfs interface. The sets of registers for sysfs access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) are defined per system type bases and include the registers related
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) to system resets operation, system reset causes monitoring and some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) kinds of mux selection.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) config MLXBF_TMFIFO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) tristate "Mellanox BlueField SoC TmFifo platform driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) depends on ARM64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) depends on ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) depends on VIRTIO_CONSOLE && VIRTIO_NET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) Say y here to enable TmFifo support. The TmFifo driver provides
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) platform driver support for the TmFifo which supports console
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) and networking based on the virtio framework.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) config MLXBF_BOOTCTL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) tristate "Mellanox BlueField Firmware Boot Control driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) depends on ARM64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) depends on ACPI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) The Mellanox BlueField firmware implements functionality to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) request swapping the primary and alternate eMMC boot partition,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) and to set up a watchdog that can undo that swap if the system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) does not boot up correctly. This driver provides sysfs access
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) to the userspace tools, to be used in conjunction with the eMMC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) device driver to do necessary initial swap of the boot partition.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) endif # MELLANOX_PLATFORM