Commit 16dcf922 authored by Wang Yinfeng's avatar Wang Yinfeng Committed by Zheng Zengkai
Browse files

irqchip/gic-phytium-2500: Add support for GIC of Phytium S2500 

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I41AUQ


CVE: NA

-------------------------------------------------

Phytium S2500 adjusts the GIC's implementation to support multi-socket
system designs. This patch adds the driver of this new implementation
while keeping the kernel binary compatible with other ARM servers
in the ecosystem.

Signed-off-by: default avatarWang Yinfeng <wangyinfeng@phytium.com.cn>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 04890c03

arch/arm64/Kconfig.platforms

+6 −0
Original line number Diff line number Diff line
@@ -199,6 +199,12 @@ config ARCH_MXC 
	  This enables support for the ARMv8 based SoCs in the

	  NXP i.MX family.



config ARCH_PHYTIUM

    bool "Phytium SoC Family"

    help

      This enables support for Phytium ARMv8 SoC family.

    select ARM_GIC_PHYTIUM_2500



config ARCH_QCOM

	bool "Qualcomm Platforms"

	select GPIOLIB

drivers/irqchip/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -56,6 +56,15 @@ config ARM_GIC_V3_ITS_FSL_MC 
	depends on FSL_MC_BUS

	default ARM_GIC_V3_ITS



config ARM_GIC_PHYTIUM_2500

    bool

    select IRQ_DOMAIN

    select GENERIC_IRQ_MULTI_HANDLER

    select IRQ_DOMAIN_HIERARCHY

    select PARTITION_PERCPU

    select GENERIC_IRQ_EFFECTIVE_AFF_MASK

    select GENERIC_MSI_IRQ_DOMAIN



config ARM_NVIC

	bool

	select IRQ_DOMAIN_HIERARCHY

drivers/irqchip/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ obj-$(CONFIG_ARM_GIC_V3) += irq-gic-v3.o irq-gic-v3-mbi.o irq-gic-common.o 
obj-$(CONFIG_ARM_GIC_V3_ITS)		+= irq-gic-v3-its.o irq-gic-v3-its-platform-msi.o irq-gic-v4.o

obj-$(CONFIG_ARM_GIC_V3_ITS_PCI)	+= irq-gic-v3-its-pci-msi.o

obj-$(CONFIG_ARM_GIC_V3_ITS_FSL_MC)	+= irq-gic-v3-its-fsl-mc-msi.o

obj-$(CONFIG_ARM_GIC_PHYTIUM_2500) += irq-gic-phytium-2500.o irq-gic-phytium-2500-its.o

obj-$(CONFIG_PARTITION_PERCPU)		+= irq-partition-percpu.o

obj-$(CONFIG_HISILICON_IRQ_MBIGEN)	+= irq-mbigen.o

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

drivers/irqchip/irq-gic-phytium-2500-its.c

0 → 100644
+5524 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/irqchip/irq-gic-phytium-2500.c

0 → 100644
+2503 −0

File added.

Preview size limit exceeded, changes collapsed.