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Date: Tue, 27 Aug 2019 21:25:05 +0800
From: "陈华才" <chenhc@...ote.com>
To: "Jiaxun Yang" <jiaxun.yang@...goat.com>,
"linux-mips" <linux-mips@...r.kernel.org>
Cc: "paul.burton" <paul.burton@...s.com>,
"tglx" <tglx@...utronix.de>,
"jason" <jason@...edaemon.net>,
"maz" <maz@...nel.org>,
"linux-kernel" <linux-kernel@...r.kernel.org>,
"robh+dt" <robh+dt@...nel.org>,
"mark.rutland" <mark.rutland@....co>,
"devicetree" <devicetree@...r.kernel.org>,
"Jiaxun Yang" <jiaxun.yang@...goat.com>
Subject: Re:[PATCH 00/13] Modernize Loongson64 Machine
Hi, Jiaxun,
1, To describe CPU I prefer "loongson" to "ls" because "ls" is confusing, and in future we will use ls2h/ls7a to describe Loongson's bridge.
2, I think it is better to use loongson64c/loongson64g than loongson2ef/loongson64. As we disscussed, we will use PRID_IMP_LOONGSON_64C/PRID_IMP_LOONGSON_64G to describe 0x6300/0xc000.
Huacai
------------------ Original ------------------
From: "Jiaxun Yang"<jiaxun.yang@...goat.com>;Date: Tue, Aug 27, 2019 04:52 PMTo: "linux-mips"<linux-mips@...r.kernel.org>; Cc: "chenhc"<chenhc@...ote.com>; "paul.burton"<paul.burton@...s.com>; "tglx"<tglx@...utronix.de>; "jason"<jason@...edaemon.net>; "maz"<maz@...nel.org>; "linux-kernel"<linux-kernel@...r.kernel.org>; "robh+dt"<robh+dt@...nel.org>; "mark.rutland"<mark.rutland@....co>; "devicetree"<devicetree@...r.kernel.org>; "Jiaxun Yang"<jiaxun.yang@...goat.com>; Subject: [PATCH 00/13] Modernize Loongson64 Machine Loongson have a long history of contributing their code to mainline kernel.
However, it seems like recent years, they are focusing on maintain a kernel by themselves
rather than contribute there code to the community.
Kernel is progress rapidly too. Their code slept in mainline for a long peroid without proper
maintainance and became outdated.
This patchset brings modern DeviceTree and irqchip support to the Loongson64 machine, and leaves
Loongson 2e/f alone since they are too legacy to touch.
Jiaxun Yang (13):
MIPS: Loongson64: Rename CPU TYPES
MIPS: Loongson64: Sepreate loongson2ef/loongson64 code
MAINTAINERS: Fix entries for new loongson64 path
irqchip: Add driver for Loongson-3 I/O interrupt controller
dt-bindings: interrupt-controller: Add Loongson-3 IOINTC
irqchip: Add driver for Loongson-3 HyperTransport interrupt controller
dt-bindings: interrupt-controller: Add Loongson-3 HTINTC
irqchip: i8259: Add plat-poll support
irqchip: mips-cpu: Convert to simple domain
MIPS: Loongson64: Drop legacy IRQ code
dt-bindings: mips: Add loongson cpus & boards
MIPS: Loongson64: Add generic dts
MIPS: Loongson64: Load built-in dtbs
.../loongson,ls3-htintc.yaml | 53 +++++
.../loongson,ls3-iointc.yaml | 61 +++++
.../bindings/mips/loongson/cpus.yaml | 38 +++
.../bindings/mips/loongson/devices.yaml | 64 ++++++
MAINTAINERS | 9 +-
arch/mips/Kbuild.platforms | 1 +
arch/mips/Kconfig | 83 +++++--
arch/mips/boot/dts/Makefile | 1 +
arch/mips/boot/dts/loongson/Makefile | 8 +
arch/mips/boot/dts/loongson/ls3-2nodes.dtsi | 8 +
arch/mips/boot/dts/loongson/ls3-4nodes.dtsi | 15 ++
arch/mips/boot/dts/loongson/ls3-cpus.dtsi | 150 ++++++++++++
arch/mips/boot/dts/loongson/ls3-gs464.dtsi | 18 ++
arch/mips/boot/dts/loongson/ls3-gs464e.dtsi | 18 ++
.../boot/dts/loongson/ls3-rs780e-pch.dtsi | 35 +++
arch/mips/boot/dts/loongson/ls3a-package.dtsi | 59 +++++
.../boot/dts/loongson/ls3a1000_780e_1way.dts | 12 +
.../boot/dts/loongson/ls3a1000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a1000_780e_4way.dts | 13 ++
.../boot/dts/loongson/ls3a2000_780e_1way.dts | 12 +
.../boot/dts/loongson/ls3a2000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a2000_780e_4way.dts | 13 ++
.../boot/dts/loongson/ls3a3000_780e_1way.dts | 12 +
.../boot/dts/loongson/ls3a3000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a3000_780e_4way.dts | 13 ++
arch/mips/boot/dts/loongson/ls3b-package.dtsi | 59 +++++
.../mips/boot/dts/loongson/ls3b_780e_1way.dts | 13 ++
.../mips/boot/dts/loongson/ls3b_780e_2way.dts | 13 ++
arch/mips/include/asm/bootinfo.h | 1 -
arch/mips/include/asm/cop2.h | 2 +-
arch/mips/include/asm/cpu-type.h | 6 +-
arch/mips/include/asm/cpu.h | 4 +-
arch/mips/include/asm/hazards.h | 2 +-
arch/mips/include/asm/io.h | 2 +-
arch/mips/include/asm/irqflags.h | 2 +-
.../mach-loongson2ef/cpu-feature-overrides.h | 45 ++++
.../cs5536/cs5536.h | 0
.../cs5536/cs5536_mfgpt.h | 0
.../cs5536/cs5536_pci.h | 0
.../cs5536/cs5536_vsm.h | 0
.../loongson2ef.h} | 31 +--
.../machine.h | 6 -
.../mc146818rtc.h | 5 +-
.../mem.h | 6 +-
arch/mips/include/asm/mach-loongson2ef/pci.h | 43 ++++
.../include/asm/mach-loongson2ef/spaces.h | 10 +
.../asm/mach-loongson64/builtin_dtbs.h | 26 +++
.../mach-loongson64/cpu-feature-overrides.h | 3 -
arch/mips/include/asm/mach-loongson64/irq.h | 6 +-
.../asm/mach-loongson64/kernel-entry-init.h | 74 ------
.../include/asm/mach-loongson64/loongson64.h | 50 ++++
.../mips/include/asm/mach-loongson64/mmzone.h | 16 --
arch/mips/include/asm/mach-loongson64/pci.h | 41 +---
.../include/asm/mach-loongson64/workarounds.h | 4 +-
arch/mips/include/asm/module.h | 8 +-
arch/mips/include/asm/pgtable-bits.h | 2 +-
arch/mips/include/asm/processor.h | 2 +-
arch/mips/include/asm/r4kcache.h | 4 +-
arch/mips/kernel/cpu-probe.c | 14 +-
arch/mips/kernel/idle.c | 2 +-
arch/mips/kernel/perf_event_mipsxx.c | 4 +-
arch/mips/kernel/setup.c | 2 +-
arch/mips/kernel/traps.c | 2 +-
arch/mips/lib/csum_partial.S | 4 +-
arch/mips/loongson2ef/Kconfig | 93 ++++++++
arch/mips/loongson2ef/Makefile | 18 ++
arch/mips/loongson2ef/Platform | 32 +++
.../common/Makefile | 0
.../common/bonito-irq.c | 2 +-
.../common/cmdline.c | 2 +-
.../common/cs5536/Makefile | 0
.../common/cs5536/cs5536_acc.c | 0
.../common/cs5536/cs5536_ehci.c | 0
.../common/cs5536/cs5536_ide.c | 0
.../common/cs5536/cs5536_isa.c | 0
.../common/cs5536/cs5536_mfgpt.c | 0
.../common/cs5536/cs5536_ohci.c | 0
.../common/cs5536/cs5536_pci.c | 0
.../common/early_printk.c | 2 +-
arch/mips/loongson2ef/common/env.c | 71 ++++++
.../{loongson64 => loongson2ef}/common/init.c | 7 +-
.../{loongson64 => loongson2ef}/common/irq.c | 2 +-
.../common/machtype.c | 3 +-
.../{loongson64 => loongson2ef}/common/mem.c | 40 +---
.../{loongson64 => loongson2ef}/common/pci.c | 11 +-
.../common/platform.c | 0
.../{loongson64 => loongson2ef}/common/pm.c | 2 +-
.../common/reset.c | 23 +-
.../{loongson64 => loongson2ef}/common/rtc.c | 0
.../common/serial.c | 37 +--
.../common/setup.c | 2 +-
.../{loongson64 => loongson2ef}/common/time.c | 2 +-
.../common/uart_base.c | 10 +-
.../fuloong-2e/Makefile | 0
.../fuloong-2e/dma.c | 0
.../fuloong-2e/irq.c | 2 +-
.../fuloong-2e/reset.c | 2 +-
.../lemote-2f/Makefile | 0
.../lemote-2f/clock.c | 2 +-
.../lemote-2f/dma.c | 0
.../lemote-2f/ec_kb3310b.c | 0
.../lemote-2f/ec_kb3310b.h | 0
.../lemote-2f/irq.c | 2 +-
.../lemote-2f/machtype.c | 2 +-
.../lemote-2f/pm.c | 2 +-
.../lemote-2f/reset.c | 2 +-
arch/mips/loongson64/Kconfig | 126 +---------
arch/mips/loongson64/Makefile | 23 +-
arch/mips/loongson64/Platform | 36 +--
.../loongson64/{loongson-3 => }/acpi_init.c | 3 +-
.../loongson64/{loongson-3 => }/cop2-ex.c | 5 +-
arch/mips/loongson64/{loongson-3 => }/dma.c | 6 +-
arch/mips/loongson64/{common => }/env.c | 139 ++++++-----
arch/mips/loongson64/{loongson-3 => }/hpet.c | 0
arch/mips/loongson64/irq.c | 27 +++
arch/mips/loongson64/loongson-3/Makefile | 11 -
arch/mips/loongson64/loongson-3/irq.c | 158 -------------
arch/mips/loongson64/{loongson-3 => }/numa.c | 4 +-
arch/mips/loongson64/pci.c | 45 ++++
.../loongson64/{loongson-3 => }/platform.c | 0
arch/mips/loongson64/reset.c | 58 +++++
arch/mips/loongson64/setup.c | 107 +++++++++
arch/mips/loongson64/{loongson-3 => }/smp.c | 28 +--
arch/mips/loongson64/{loongson-3 => }/smp.h | 0
arch/mips/mm/c-r4k.c | 32 +--
arch/mips/mm/page.c | 2 +-
arch/mips/mm/tlb-r4k.c | 4 +-
arch/mips/mm/tlbex.c | 6 +-
arch/mips/oprofile/Makefile | 4 +-
arch/mips/oprofile/common.c | 4 +-
arch/mips/oprofile/op_model_loongson2.c | 2 +-
arch/mips/oprofile/op_model_loongson3.c | 2 +-
arch/mips/pci/Makefile | 2 +-
arch/mips/pci/fixup-fuloong2e.c | 2 +-
arch/mips/pci/fixup-lemote2f.c | 2 +-
arch/mips/pci/ops-loongson2.c | 2 +-
arch/mips/pci/ops-loongson3.c | 2 +-
drivers/cpufreq/loongson2_cpufreq.c | 2 +-
drivers/gpio/Kconfig | 2 +-
drivers/gpio/gpio-loongson.c | 4 +-
drivers/irqchip/Kconfig | 17 ++
drivers/irqchip/Makefile | 2 +
drivers/irqchip/irq-i8259.c | 47 +++-
drivers/irqchip/irq-ls3-htintc.c | 145 ++++++++++++
drivers/irqchip/irq-ls3-iointc.c | 216 ++++++++++++++++++
drivers/irqchip/irq-mips-cpu.c | 2 +-
drivers/platform/mips/cpu_hwmon.c | 2 +-
include/drm/drm_cache.h | 2 +-
148 files changed, 2064 insertions(+), 841 deletions(-)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-htintc.yaml
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/loongson,ls3-iointc.yaml
create mode 100644 Documentation/devicetree/bindings/mips/loongson/cpus.yaml
create mode 100644 Documentation/devicetree/bindings/mips/loongson/devices.yaml
create mode 100644 arch/mips/boot/dts/loongson/Makefile
create mode 100644 arch/mips/boot/dts/loongson/ls3-2nodes.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-4nodes.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-cpus.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-gs464.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-gs464e.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-rs780e-pch.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3a-package.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3b-package.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3b_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3b_780e_2way.dts
create mode 100644 arch/mips/include/asm/mach-loongson2ef/cpu-feature-overrides.h
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536.h (100%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_mfgpt.h (100%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_pci.h (100%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/cs5536/cs5536_vsm.h (100%)
rename arch/mips/include/asm/{mach-loongson64/loongson.h => mach-loongson2ef/loongson2ef.h} (91%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/machine.h (80%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/mc146818rtc.h (80%)
rename arch/mips/include/asm/{mach-loongson64 => mach-loongson2ef}/mem.h (86%)
create mode 100644 arch/mips/include/asm/mach-loongson2ef/pci.h
create mode 100644 arch/mips/include/asm/mach-loongson2ef/spaces.h
create mode 100644 arch/mips/include/asm/mach-loongson64/builtin_dtbs.h
delete mode 100644 arch/mips/include/asm/mach-loongson64/kernel-entry-init.h
create mode 100644 arch/mips/include/asm/mach-loongson64/loongson64.h
create mode 100644 arch/mips/loongson2ef/Kconfig
create mode 100644 arch/mips/loongson2ef/Makefile
create mode 100644 arch/mips/loongson2ef/Platform
rename arch/mips/{loongson64 => loongson2ef}/common/Makefile (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/bonito-irq.c (97%)
rename arch/mips/{loongson64 => loongson2ef}/common/cmdline.c (97%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/Makefile (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_acc.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ehci.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ide.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_isa.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_mfgpt.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_ohci.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/cs5536/cs5536_pci.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/early_printk.c (97%)
create mode 100644 arch/mips/loongson2ef/common/env.c
rename arch/mips/{loongson64 => loongson2ef}/common/init.c (90%)
rename arch/mips/{loongson64 => loongson2ef}/common/irq.c (98%)
rename arch/mips/{loongson64 => loongson2ef}/common/machtype.c (94%)
rename arch/mips/{loongson64 => loongson2ef}/common/mem.c (72%)
rename arch/mips/{loongson64 => loongson2ef}/common/pci.c (89%)
rename arch/mips/{loongson64 => loongson2ef}/common/platform.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/pm.c (99%)
rename arch/mips/{loongson64 => loongson2ef}/common/reset.c (77%)
rename arch/mips/{loongson64 => loongson2ef}/common/rtc.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/common/serial.c (63%)
rename arch/mips/{loongson64 => loongson2ef}/common/setup.c (97%)
rename arch/mips/{loongson64 => loongson2ef}/common/time.c (96%)
rename arch/mips/{loongson64 => loongson2ef}/common/uart_base.c (77%)
rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/Makefile (100%)
rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/dma.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/irq.c (98%)
rename arch/mips/{loongson64 => loongson2ef}/fuloong-2e/reset.c (93%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/Makefile (100%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/clock.c (98%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/dma.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/ec_kb3310b.c (100%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/ec_kb3310b.h (100%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/irq.c (99%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/machtype.c (98%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/pm.c (99%)
rename arch/mips/{loongson64 => loongson2ef}/lemote-2f/reset.c (99%)
rename arch/mips/loongson64/{loongson-3 => }/acpi_init.c (99%)
rename arch/mips/loongson64/{loongson-3 => }/cop2-ex.c (88%)
rename arch/mips/loongson64/{loongson-3 => }/dma.c (82%)
rename arch/mips/loongson64/{common => }/env.c (77%)
rename arch/mips/loongson64/{loongson-3 => }/hpet.c (100%)
create mode 100644 arch/mips/loongson64/irq.c
delete mode 100644 arch/mips/loongson64/loongson-3/Makefile
delete mode 100644 arch/mips/loongson64/loongson-3/irq.c
rename arch/mips/loongson64/{loongson-3 => }/numa.c (98%)
create mode 100644 arch/mips/loongson64/pci.c
rename arch/mips/loongson64/{loongson-3 => }/platform.c (100%)
create mode 100644 arch/mips/loongson64/reset.c
create mode 100644 arch/mips/loongson64/setup.c
rename arch/mips/loongson64/{loongson-3 => }/smp.c (98%)
rename arch/mips/loongson64/{loongson-3 => }/smp.h (100%)
create mode 100644 drivers/irqchip/irq-ls3-htintc.c
create mode 100644 drivers/irqchip/irq-ls3-iointc.c
--
2.22.0
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