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Commit ecb3c2bb authored by Catalin Marinas's avatar Catalin Marinas
Browse files

Merge tag 'deps-irqchip-gic-3.17' of git://git.infradead.org/users/jcooper/linux 

* tag 'deps-irqchip-gic-3.17' of git://git.infradead.org/users/jcooper/linux:
  irqchip: gic-v3: Initial support for GICv3
  irqchip: gic: Move some bits of GICv2 to a library-type file

Conflicts:
	arch/arm64/Kconfig
parents 05ac6530 021f6537

arch/arm64/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ config ARM64 
	select ARM_ARCH_TIMER

	select ARM_GIC

	select AUDIT_ARCH_COMPAT_GENERIC

	select ARM_GIC_V3

	select BUILDTIME_EXTABLE_SORT

	select CLONE_BACKWARDS

	select COMMON_CLK

arch/arm64/kernel/head.S

+18 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 


#include <linux/linkage.h>

#include <linux/init.h>

#include <linux/irqchip/arm-gic-v3.h>



#include <asm/assembler.h>

#include <asm/ptrace.h>
@@ -289,6 +290,23 @@ CPU_LE( bic x0, x0, #(3 << 24) ) // Clear the EE and E0E bits for EL1 
	msr	cnthctl_el2, x0

	msr	cntvoff_el2, xzr		// Clear virtual offset



#ifdef CONFIG_ARM_GIC_V3

	/* GICv3 system register access */

	mrs	x0, id_aa64pfr0_el1

	ubfx	x0, x0, #24, #4

	cmp	x0, #1

	b.ne	3f



	mrs	x0, ICC_SRE_EL2

	orr	x0, x0, #ICC_SRE_EL2_SRE	// Set ICC_SRE_EL2.SRE==1

	orr	x0, x0, #ICC_SRE_EL2_ENABLE	// Set ICC_SRE_EL2.Enable==1

	msr	ICC_SRE_EL2, x0

	isb					// Make sure SRE is now set

	msr	ICH_HCR_EL2, xzr		// Reset ICC_HCR_EL2 to defaults



3:

#endif



	/* Populate ID registers. */

	mrs	x0, midr_el1

	mrs	x1, mpidr_el1

arch/arm64/kernel/hyp-stub.S

+1 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 


#include <linux/init.h>

#include <linux/linkage.h>

#include <linux/irqchip/arm-gic-v3.h>



#include <asm/assembler.h>

#include <asm/ptrace.h>

drivers/irqchip/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -10,6 +10,11 @@ config ARM_GIC 
config GIC_NON_BANKED

	bool



config ARM_GIC_V3

	bool

	select IRQ_DOMAIN

	select MULTI_IRQ_HANDLER



config ARM_NVIC

	bool

	select IRQ_DOMAIN

drivers/irqchip/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -15,7 +15,8 @@ obj-$(CONFIG_ORION_IRQCHIP) += irq-orion.o 
obj-$(CONFIG_ARCH_SUNXI)		+= irq-sun4i.o

obj-$(CONFIG_ARCH_SUNXI)		+= irq-sunxi-nmi.o

obj-$(CONFIG_ARCH_SPEAR3XX)		+= spear-shirq.o

obj-$(CONFIG_ARM_GIC)			+= irq-gic.o

obj-$(CONFIG_ARM_GIC)			+= irq-gic.o irq-gic-common.o

obj-$(CONFIG_ARM_GIC_V3)		+= irq-gic-v3.o irq-gic-common.o

obj-$(CONFIG_ARM_NVIC)			+= irq-nvic.o

obj-$(CONFIG_ARM_VIC)			+= irq-vic.o

obj-$(CONFIG_IMGPDC_IRQ)		+= irq-imgpdc.o