[U-Boot] [PATCH v2 00/14] dm: arm: zynq: Convert serial driver to driver model

[Simon Glass]

Hi Michal,

On Oct 27, 2015 08:27, "Michal Simek" <monstr at monstr.eu> wrote:
>
> Hi Simon,
>
> On 10/18/2015 03:41 AM, Simon Glass wrote:
> > This series updates the Zynq serial driver to use driver model. Along
the
> > way several problems are fixed:
> >
> > - Support for /chosen/stdout-path using an alias
> > - Fix to fdtgrep which is currently breaking alias building
> > - Avoid building u-boot-spl-dtb.bin when it is not requested
> > - Deal with boards which have BSS in SDRAM
> >
> > For zynq this series makes a few changes:
> > - Use the new SPL init procedure, which just involves a few tweaks for
zynq
> > - Add debug UART support
> > - Move to using a separate device tree instead of embedded
> >
> > Only zybo has been tested. Testing on other zynq boards is welcome.
They are
> > all set up roughly the same so I expect only minor problems.
> >
> > This serial includes Michal's zynqmp device tree patch.
> >
> > Changes in v2:
> > - Extend list of compatible strings with cadence compatible string.
> >
> > Michal Simek (1):
> >   ARM: zynqmp: Enable DM and OF binding
> >
> > Simon Glass (13):
> >   fdt: Add a function to look up a /chosen property
> >   fdt: Correct handling of alias regions
> >   fdtgrep: Simplify the alias generation code
> >   dm: serial: Deal with stdout-path with an alias
> >   dm: spl: Generate u-boot-spl-dtb.bin only when enabled
> >   dm: spl: Support device tree when BSS is in a different section
> >   arm: zynq: Use separate device tree instead of embedded
> >   arm: zynq: Drop unnecessary code in SPL board_init_f()
> >   arm: zynq: Support the debug UART
> >   dm: arm: zynq: Enable device tree control in SPL
> >   arm: zynq: dts: Add U-Boot device tree additions
> >   arm: zynq: serial: Drop non-device-tree serial driver portions
> >   arm: zynq: Move serial driver to driver model
> >
> >  Kconfig                            |  10 +
> >  arch/arm/Kconfig                   |   7 +
> >  arch/arm/dts/Makefile              |   2 +-
> >  arch/arm/dts/zynq-7000.dtsi        |   1 +
> >  arch/arm/dts/zynq-microzed.dts     |   5 +
> >  arch/arm/dts/zynq-picozed.dts      |   5 +
> >  arch/arm/dts/zynq-zc702.dts        |   1 +
> >  arch/arm/dts/zynq-zc706.dts        |   1 +
> >  arch/arm/dts/zynq-zc770-xm010.dts  |   1 +
> >  arch/arm/dts/zynq-zc770-xm011.dts  |   1 +
> >  arch/arm/dts/zynq-zc770-xm012.dts  |   1 +
> >  arch/arm/dts/zynq-zc770-xm013.dts  |   1 +
> >  arch/arm/dts/zynq-zed.dts          |   1 +
> >  arch/arm/dts/zynq-zybo.dts         |   1 +
> >  arch/arm/dts/zynqmp-ep108.dts      | 164 ++++++++++++++++
> >  arch/arm/dts/zynqmp.dtsi           | 385
+++++++++++++++++++++++++++++++++++++
> >  arch/arm/mach-zynq/spl.c           |  12 +-
> >  arch/arm/mach-zynq/u-boot-spl.lds  |  10 +-
> >  configs/xilinx_zynqmp_ep_defconfig |   3 +-
> >  configs/zynq_microzed_defconfig    |   2 +-
> >  configs/zynq_picozed_defconfig     |   2 +-
> >  configs/zynq_zc702_defconfig       |   2 +-
> >  configs/zynq_zc706_defconfig       |   2 +-
> >  configs/zynq_zc70x_defconfig       |   2 +-
> >  configs/zynq_zc770_xm010_defconfig |   2 +-
> >  configs/zynq_zc770_xm011_defconfig |   2 +-
> >  configs/zynq_zc770_xm012_defconfig |   2 +-
> >  configs/zynq_zc770_xm013_defconfig |   2 +-
> >  configs/zynq_zed_defconfig         |   2 +-
> >  configs/zynq_zybo_defconfig        |   6 +-
> >  drivers/serial/Kconfig             |   7 +
> >  drivers/serial/serial-uclass.c     |  30 ++-
> >  drivers/serial/serial_zynq.c       | 203 ++++++++++---------
> >  include/asm-generic/sections.h     |   1 +
> >  include/configs/xilinx_zynqmp.h    |   4 +-
> >  include/configs/xilinx_zynqmp_ep.h |   1 -
> >  include/configs/zynq-common.h      |   6 +-
> >  include/configs/zynq_microzed.h    |   1 -
> >  include/configs/zynq_picozed.h     |   1 -
> >  include/configs/zynq_zc70x.h       |   1 -
> >  include/configs/zynq_zc770.h       |   6 -
> >  include/configs/zynq_zed.h         |   1 -
> >  include/configs/zynq_zybo.h        |   1 -
> >  include/fdtdec.h                   |  11 +-
> >  lib/fdtdec.c                       |  22 ++-
> >  lib/libfdt/fdt_region.c            |   2 +-
> >  scripts/Makefile.spl               |   2 +
> >  tools/fdtgrep.c                    |  32 +--
> >  48 files changed, 796 insertions(+), 174 deletions(-)
> >  create mode 100644 arch/arm/dts/zynqmp-ep108.dts
> >  create mode 100644 arch/arm/dts/zynqmp.dtsi
> >
>
> I am happy to take this series via zynq ARM tree.

Please go ahead.

> Or do you want to take fdt part through your tree or all things via your
> tree?
>
> Thanks,
> Michal
>
> --
> Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
> w: www.monstr.eu p: +42-0-721842854
> Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
> Maintainer of Linux kernel - Xilinx Zynq ARM architecture
> Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
>
>

Regards,
Simon