Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d93003e8 authored by Sebastian Hesselbarth's avatar Sebastian Hesselbarth Committed by Russell King
Browse files

ARM: 8042/1: iwmmxt: allow to build iWMMXt on Marvell PJ4B 



Some Marvell PJ4B CPUs also implement iWMMXt extensions. With a
proper check for iWMMXt coprocessors now in place, enable it by
default on PJ4B. While at it, also allow to manually select
the corresponding Kconfig option.

Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: default avatarKevin Hilman <khilman@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent cd171170

arch/arm/Kconfig

+3 −3
Original line number Original line Diff line number Diff line
@@ -1110,9 +1110,9 @@ config ARM_NR_BANKS 
	default 8

	default 8





config IWMMXT

config IWMMXT

	bool "Enable iWMMXt support" if !CPU_PJ4

	bool "Enable iWMMXt support"

	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4

	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 || CPU_PJ4B

	default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4

	default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 || CPU_PJ4B

	help

	help

	  Enable support for iWMMXt context switching at run time if

	  Enable support for iWMMXt context switching at run time if

	  running on a CPU that supports it.

	  running on a CPU that supports it.

arch/arm/kernel/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -79,6 +79,7 @@ obj-$(CONFIG_CPU_XSCALE) += xscale-cp0.o 
obj-$(CONFIG_CPU_XSC3)		+= xscale-cp0.o

obj-$(CONFIG_CPU_XSC3)		+= xscale-cp0.o

obj-$(CONFIG_CPU_MOHAWK)	+= xscale-cp0.o

obj-$(CONFIG_CPU_MOHAWK)	+= xscale-cp0.o

obj-$(CONFIG_CPU_PJ4)		+= pj4-cp0.o

obj-$(CONFIG_CPU_PJ4)		+= pj4-cp0.o

obj-$(CONFIG_CPU_PJ4B)		+= pj4-cp0.o

obj-$(CONFIG_IWMMXT)		+= iwmmxt.o

obj-$(CONFIG_IWMMXT)		+= iwmmxt.o

obj-$(CONFIG_PERF_EVENTS)	+= perf_regs.o

obj-$(CONFIG_PERF_EVENTS)	+= perf_regs.o

obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event.o perf_event_cpu.o

obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event.o perf_event_cpu.o