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-# SPDX-License-Identifier: GPL-2.0
-#
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.rst.
-#
-
-menuconfig ARC_PLAT_EZNPS
- bool "\"EZchip\" ARC dev platform"
- select CPU_BIG_ENDIAN
- select CLKSRC_NPS
- select EZNPS_GIC
- select EZCHIP_NPS_MANAGEMENT_ENET if ETHERNET
- help
- Support for EZchip development platforms,
- based on ARC700 cores.
- We handle few flavors:
- - Hardware Emulator AKA HE which is FPGA based chassis
- - Simulator based on MetaWare nSIM
- - NPS400 chip based on ASIC
-
-config EZNPS_MTM_EXT
- bool "ARC-EZchip MTM Extensions"
- select CPUMASK_OFFSTACK
- depends on ARC_PLAT_EZNPS && SMP
- default y
- help
- Here we add new hierarchy for CPUs topology.
- We got:
- Core
- Thread
- At the new thread level each CPU represent one HW thread.
- At highest hierarchy each core contain 16 threads,
- any of them seem like CPU from Linux point of view.
- All threads within same core share the execution unit of the
- core and HW scheduler round robin between them.
-
-config EZNPS_MEM_ERROR_ALIGN
- bool "ARC-EZchip Memory error as an exception"
- depends on EZNPS_MTM_EXT
- default n
- help
- On the real chip of the NPS, user memory errors are handled
- as a machine check exception, which is fatal, whereas on
- simulator platform for NPS, is handled as a Level 2 interrupt
- (just a stock ARC700) which is recoverable. This option makes
- simulator behave like hardware.
-
-config EZNPS_SHARED_AUX_REGS
- bool "ARC-EZchip Shared Auxiliary Registers Per Core"
- depends on ARC_PLAT_EZNPS
- default y
- help
- On the real chip of the NPS, auxiliary registers are shared between
- all the cpus of the core, whereas on simulator platform for NPS,
- each cpu has a different set of auxiliary registers. Configuration
- should be unset if auxiliary registers are not shared between the cpus
- of the core, so there will be a need to initialize them per cpu.