arch: arc: add basic arc connect driver support

* arc connect is a component to connect multiple arc cores * it's necessary for arc smp support * the following features are implemented * inter-core interrupt unit * gloabl free running counter * inter-core debug unit * interrupt distribute unit Signed-off-by: Wayne Ren <[email protected]>
zqad · Aug 7, 2019 · 1f4232a · 1f4232a
1 parent 8e9bf88
commit 1f4232a
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diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
@@ -103,6 +103,14 @@ config 	ARC_HAS_STACK_CHECKING
 	  checking stack accesses and raising an exception when a stack
 	  overflow or underflow is detected.
 
+config	ARC_CONNECT
+	bool "ARC has ARC connect"
+	select SCHED_IPI_SUPPORTED
+	default n
+	help
+	  ARC is configured with ARC CONNECT which is a hardware for connecting
+	  multi cores.
+
 config  ARC_STACK_CHECKING
 	bool
 	help

diff --git a/arch/arc/core/CMakeLists.txt b/arch/arc/core/CMakeLists.txt
@@ -25,3 +25,4 @@ zephyr_library_sources_ifdef(CONFIG_ARC_FIRQ fast_irq.S)
 zephyr_library_sources_if_kconfig(irq_offload.c)
 add_subdirectory_ifdef(CONFIG_ARC_CORE_MPU mpu)
 zephyr_library_sources_ifdef(CONFIG_USERSPACE userspace.S)
+zephyr_library_sources_ifdef(CONFIG_ARC_CONNECT arc_connect.c)