[OpenWrt-Devel] [PATCH 00/22] Conversion of ARMv4 Gemini to DT and multiplatform
Florian Fainelli
f.fainelli at gmail.com
Sun Jan 22 13:42:13 EST 2017
On 01/22/2017 04:15 AM, Linus Walleij wrote:
> I got a Gemini platform from Florian Fainelli over at OpenWRT
> some time back. I finally got around to "future-proofing" the
> platform, which was the idea when he paintakingly sent the box
> over to me.
I would have happily tested that series ;) thanks a lot for making it
happen!
>
> This is the result: Gemini is converted to device tree and
> multiplatform, all existing drivers are rewritten into their
> proper subsystems and the old board-specific and machine-specific
> code is deleted.
>
> I would ideally like the irqchip, clocksource, gpio, rtc and MTD
> patches (and bindings) to simply be merged into the respective
> subsystem and the remaining ARM/ARM SoC patches funnelled to the
> ARM SoC tree in a single pull request, lock stock and barrel,
> with changes to board files and DTS additions in one go. But I
> guess I could also switch the DTS files to a separate branch.
>
> The OpenWRT tree still have a whole bunch of significant out-of
> tree drivers:
>
> - Watchdog
> - GMAC (ethernet)
Been wondering about the GMAC driver a little bit, and it does not
appear to be neither a Synopsys/Designware core (although not 100%
sure), nor the ftgmac100 either.
This submission does appear to be in a good shape:
https://lwn.net/Articles/437889/
> - FOT2G USB EHCI host
> - PATA
> - PCI
>
> But I do not see any big obstacle in porting these over to be
> probed from the device tree and upstreamed on top of this patch
> series. I might tinker with it if I get time.
>
> The out-of-tree code can be found here:
> http://git.openwrt.org/?p=openwrt.git;a=tree;f=target/linux/gemini;h=b74c3d8f0100e2ac8a4d71c4d23c082db2993e63;hb=HEAD
>
> Linus Walleij (22):
> ARM: gemini: convert to MULTI_IRQ_HANDLER
> irqchip: DT bindings for Cortina Gemini irqchip
> irqchip: add a driver for Cortina Gemini
> clocksource: add DT bindings for Cortina Gemini
> clocksource: Add driver for the Cortina Gemini
> gpio: add DT bindings for Cortina Gemini GPIO
> gpio: Add a driver for Cortina Systems Gemini GPIO
> rtc: Add device tree probing to the Gemini driver
> mtd: add DT bindings for the Cortina Systems Gemini Flash
> mtd: physmap_of: add a hook for Gemini flash probing
> ARM: dts: add top-level DT bindings for Cortina Gemini
> ARM: gemini: DT for the Cortina Gemini SoC platforms
> ARM: dts: add device tree for Gemini SoC and SQ201
> ARM: dts: add a devicetree for Raidsonic NAS IB-4220-B
> ARM: dts: add a devicetree for Teltonika RUT1xx
> ARM: dts: add a devicetree for Wiliboard WBD-111
> ARM: dts: add a devicetree for Wiliboard WBD-222
> ARM: gemini: delete all boardfiles
> ARM: gemini: switch to sparse IRQs
> ARM: gemini: select ARM_PATCH_PHYS_VIRT and AUTO_ZRELADDR
> ARM: gemini: convert to ARMv4 multiplatform
> ARM: configs: add a gemini defconfig
>
> Documentation/devicetree/bindings/arm/gemini.txt | 58 +++++
> .../bindings/gpio/cortina,gemini-gpio.txt | 24 ++
> .../cortina,gemini-interrupt-controller.txt | 22 ++
> .../bindings/mtd/cortina,gemini-flash.txt | 24 ++
> .../devicetree/bindings/rtc/cortina,gemini.txt | 14 ++
> .../bindings/timer/cortina,gemini-timer.txt | 22 ++
> arch/arm/Kconfig | 9 -
> arch/arm/boot/dts/Makefile | 6 +
> arch/arm/boot/dts/gemini-nas4220b.dts | 68 +++++
> arch/arm/boot/dts/gemini-rut1xx.dts | 63 +++++
> arch/arm/boot/dts/gemini-sq201.dts | 94 +++++++
> arch/arm/boot/dts/gemini-wbd111.dts | 101 ++++++++
> arch/arm/boot/dts/gemini-wbd222.dts | 101 ++++++++
> arch/arm/boot/dts/gemini.dtsi | 96 +++++++
> arch/arm/configs/gemini_defconfig | 63 +++++
> arch/arm/mach-gemini/Kconfig | 52 +---
> arch/arm/mach-gemini/Makefile | 15 +-
> arch/arm/mach-gemini/Makefile.boot | 9 -
> arch/arm/mach-gemini/board-dt.c | 62 +++++
> arch/arm/mach-gemini/board-nas4220b.c | 106 --------
> arch/arm/mach-gemini/board-rut1xx.c | 92 -------
> arch/arm/mach-gemini/board-wbd111.c | 133 ----------
> arch/arm/mach-gemini/board-wbd222.c | 133 ----------
> arch/arm/mach-gemini/common.h | 33 ---
> arch/arm/mach-gemini/devices.c | 118 ---------
> arch/arm/mach-gemini/gpio.c | 231 -----------------
> arch/arm/mach-gemini/idle.c | 31 ---
> arch/arm/mach-gemini/include/mach/entry-macro.S | 33 ---
> arch/arm/mach-gemini/include/mach/global_reg.h | 278 ---------------------
> arch/arm/mach-gemini/include/mach/hardware.h | 71 ------
> arch/arm/mach-gemini/include/mach/irqs.h | 53 ----
> arch/arm/mach-gemini/include/mach/uncompress.h | 42 ----
> arch/arm/mach-gemini/irq.c | 105 --------
> arch/arm/mach-gemini/mm.c | 82 ------
> arch/arm/mach-gemini/reset.c | 25 --
> drivers/clocksource/Kconfig | 10 +
> drivers/clocksource/Makefile | 1 +
> .../time.c => drivers/clocksource/timer-gemini.c | 168 ++++++++-----
> drivers/gpio/Kconfig | 9 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-gemini.c | 236 +++++++++++++++++
> drivers/irqchip/Makefile | 1 +
> drivers/irqchip/irq-gemini.c | 190 ++++++++++++++
> drivers/mtd/maps/Kconfig | 10 +
> drivers/mtd/maps/Makefile | 3 +
> drivers/mtd/maps/physmap_of.c | 9 +-
> drivers/mtd/maps/physmap_of_gemini.c | 120 +++++++++
> drivers/mtd/maps/physmap_of_gemini.h | 16 ++
> drivers/rtc/rtc-gemini.c | 7 +
> 49 files changed, 1545 insertions(+), 1705 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/arm/gemini.txt
> create mode 100644 Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt
> create mode 100644 Documentation/devicetree/bindings/interrupt-controller/cortina,gemini-interrupt-controller.txt
> create mode 100644 Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt
> create mode 100644 Documentation/devicetree/bindings/rtc/cortina,gemini.txt
> create mode 100644 Documentation/devicetree/bindings/timer/cortina,gemini-timer.txt
> create mode 100644 arch/arm/boot/dts/gemini-nas4220b.dts
> create mode 100644 arch/arm/boot/dts/gemini-rut1xx.dts
> create mode 100644 arch/arm/boot/dts/gemini-sq201.dts
> create mode 100644 arch/arm/boot/dts/gemini-wbd111.dts
> create mode 100644 arch/arm/boot/dts/gemini-wbd222.dts
> create mode 100644 arch/arm/boot/dts/gemini.dtsi
> create mode 100644 arch/arm/configs/gemini_defconfig
> delete mode 100644 arch/arm/mach-gemini/Makefile.boot
> create mode 100644 arch/arm/mach-gemini/board-dt.c
> delete mode 100644 arch/arm/mach-gemini/board-nas4220b.c
> delete mode 100644 arch/arm/mach-gemini/board-rut1xx.c
> delete mode 100644 arch/arm/mach-gemini/board-wbd111.c
> delete mode 100644 arch/arm/mach-gemini/board-wbd222.c
> delete mode 100644 arch/arm/mach-gemini/common.h
> delete mode 100644 arch/arm/mach-gemini/devices.c
> delete mode 100644 arch/arm/mach-gemini/gpio.c
> delete mode 100644 arch/arm/mach-gemini/idle.c
> delete mode 100644 arch/arm/mach-gemini/include/mach/entry-macro.S
> delete mode 100644 arch/arm/mach-gemini/include/mach/global_reg.h
> delete mode 100644 arch/arm/mach-gemini/include/mach/hardware.h
> delete mode 100644 arch/arm/mach-gemini/include/mach/irqs.h
> delete mode 100644 arch/arm/mach-gemini/include/mach/uncompress.h
> delete mode 100644 arch/arm/mach-gemini/irq.c
> delete mode 100644 arch/arm/mach-gemini/mm.c
> delete mode 100644 arch/arm/mach-gemini/reset.c
> rename arch/arm/mach-gemini/time.c => drivers/clocksource/timer-gemini.c (55%)
> create mode 100644 drivers/gpio/gpio-gemini.c
> create mode 100644 drivers/irqchip/irq-gemini.c
> create mode 100644 drivers/mtd/maps/physmap_of_gemini.c
> create mode 100644 drivers/mtd/maps/physmap_of_gemini.h
>
--
Florian
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