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linux-yocto/drivers/firmware/tegra/Kconfig
Arnd Bergmann 4ddb1bf1a8 tegra: mark BPMP driver as little-endian only 
The BPMP firmware driver never worked on big-endian kernels, and
cannot easily be made portable. Add a dependency to make this clear
in case anyone ever wants to try a big-endian kernel on this hardware.

Link: https://lore.kernel.org/linux-arm-kernel/Y34FCQ3xTmcjqKRT@orome/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-11-23 14:21:23 +01:00

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SPDX-License-Identifier: GPL-2.0-only

menu "Tegra firmware driver"

config TEGRA_IVC bool "Tegra IVC protocol" depends on ARCH_TEGRA help IVC (Inter-VM Communication) protocol is part of the IPC (Inter Processor Communication) framework on Tegra. It maintains the data and the different communication channels in SysRAM or RAM and keeps the content is synchronization between host CPU and remote processors.

config TEGRA_BPMP bool "Tegra BPMP driver" depends on ARCH_TEGRA && TEGRA_HSP_MBOX && TEGRA_IVC depends on !CPU_BIG_ENDIAN help BPMP (Boot and Power Management Processor) is designed to off-loading the PM functions which include clock/DVFS/thermal/power from the CPU. It needs HSP as the HW synchronization and notification module and IVC module as the message communication protocol.

  This driver manages the IPC interface between host CPU and the
  firmware running on BPMP.

endmenu