diff options
| author | Huacai Chen <chenhc@lemote.com> | 2020-07-29 09:58:37 +0300 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-08-04 10:39:29 +0300 |
| commit | 39c1485c8baa47aa20caefc1ec0a3410fbad6c81 (patch) | |
| tree | 36e9f28ada3c449934aef97da6d99aa0e9c913b3 /arch/mips/boot | |
| parent | a84a334f03c59fa9c0d682d13368611f7ca4f8ac (diff) | |
| download | linux-39c1485c8baa47aa20caefc1ec0a3410fbad6c81.tar.xz | |
MIPS: KVM: Add kvm guest support for Loongson-3
Loongson-3 KVM guest is based on virtio, it use liointc as its interrupt
controller and use GPEX as the pci controller.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/boot')
| -rw-r--r-- | arch/mips/boot/dts/loongson/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/boot/dts/loongson/loongson64v_4core_virtio.dts | 102 |
2 files changed, 103 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/loongson/Makefile b/arch/mips/boot/dts/loongson/Makefile index ae1c8bf27f4b..8fd0efb37423 100644 --- a/arch/mips/boot/dts/loongson/Makefile +++ b/arch/mips/boot/dts/loongson/Makefile @@ -3,5 +3,6 @@ dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_4core_ls7a.dtb dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_4core_rs780e.dtb dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_8core_rs780e.dtb dtb-$(CONFIG_MACH_LOONGSON64) += loongson64g_4core_ls7a.dtb +dtb-$(CONFIG_MACH_LOONGSON64) += loongson64v_4core_virtio.dtb obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y)) diff --git a/arch/mips/boot/dts/loongson/loongson64v_4core_virtio.dts b/arch/mips/boot/dts/loongson/loongson64v_4core_virtio.dts new file mode 100644 index 000000000000..41f0b110d455 --- /dev/null +++ b/arch/mips/boot/dts/loongson/loongson64v_4core_virtio.dts @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <dt-bindings/interrupt-controller/irq.h> + +/dts-v1/; +/ { + compatible = "loongson,loongson64v-4core-virtio"; + #address-cells = <2>; + #size-cells = <2>; + + cpuintc: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + package0: bus@1fe00000 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0x1fe00000 0 0x1fe00000 0x100000 + 0 0x3ff00000 0 0x3ff00000 0x100000 + 0xefd 0xfb000000 0xefd 0xfb000000 0x10000000>; + + liointc: interrupt-controller@3ff01400 { + compatible = "loongson,liointc-1.0"; + reg = <0 0x3ff01400 0x64>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&cpuintc>; + interrupts = <2>, <3>; + interrupt-names = "int0", "int1"; + + loongson,parent_int_map = <0x00000001>, /* int0 */ + <0xfffffffe>, /* int1 */ + <0x00000000>, /* int2 */ + <0x00000000>; /* int3 */ + + }; + + cpu_uart0: serial@1fe001e0 { + compatible = "ns16550a"; + reg = <0 0x1fe001e0 0x8>; + clock-frequency = <33000000>; + interrupt-parent = <&liointc>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + }; + }; + + bus@10000000 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges = <0 0x10000000 0 0x10000000 0 0x10000000 /* PIO & CONF & APB */ + 0 0x40000000 0 0x40000000 0 0x40000000>; /* PCI MEM */ + + rtc0: rtc@10081000 { + compatible = "google,goldfish-rtc"; + reg = <0 0x10081000 0 0x1000>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&liointc>; + }; + + pci@1a000000 { + compatible = "pci-host-ecam-generic"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + + bus-range = <0x0 0x1f>; + reg = <0 0x1a000000 0 0x02000000>; + + ranges = <0x01000000 0x0 0x00004000 0x0 0x18004000 0x0 0x0000c000>, + <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>; + + interrupt-map = < + 0x0000 0x0 0x0 0x1 &liointc 0x2 IRQ_TYPE_LEVEL_HIGH + 0x0800 0x0 0x0 0x1 &liointc 0x3 IRQ_TYPE_LEVEL_HIGH + 0x1000 0x0 0x0 0x1 &liointc 0x4 IRQ_TYPE_LEVEL_HIGH + 0x1800 0x0 0x0 0x1 &liointc 0x5 IRQ_TYPE_LEVEL_HIGH + >; + + interrupt-map-mask = <0x1800 0x0 0x0 0x7>; + }; + + isa { + compatible = "isa"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <1 0 0 0x18000000 0x4000>; + }; + }; + + hypervisor { + compatible = "linux,kvm"; + }; +}; |