[U-Boot] [PATCH 0/19] powerpc: Introduce device tree control and driver model

[Simon Glass]

+Tom

Hi,

On 15 December 2014 at 07:19, Simon Glass <sjg at chromium.org> wrote:
> This series does a small amount of tweaking to support device tree control
> (CONFIG_OF_CONTROL) on PowerPC platforms. It also adds support for driver
> model. In both cases the main effort is to set things up correctly before
> calling board_init_f().
>
> A new generic function, board_init_f_mem() is introduced. This does the
> various memory calculations in C code, since they are messy in assembler
> and every architecture should in fact be the same. A later series will
> adjust ARM and x86 to use this function.
>
> As an example, the Canyonlands boards are converted over to use device tree
> control and driver model for their serial console. It should be fairly
> straightforward to convert over other boards.
>
>
> Simon Glass (18):
>   Introduce board_init_f_mem() to handle early memory layout
>   powerpc: Permit device tree control of U-Boot (CONFIG_OF_CONTROL)
>   powerpc: ppc4xx: canyonlands: config: Tidy up CONFIGs and config.mk
>   powerpc: ppc4xx: Move CANYONLANDS/GLACIER/ARCHES to Kconfig
>   powerpc: ppc4xx: Add ramboot config for glacier
>   powerpc: ppc4xx: canyonlands: Move to generic board
>   powerpc: ppc4xx: dts: Bring in canyonlands device tree files
>   powerpc: ppc4xx: Call board_init_f_mem() for generic board
>   powerpc: ppc4xx: Add a gpio.h header file
>   powerpc: ppc4xx: Allow the end of u-boot.bin to be found
>   powerpc: ppc4xx: Use CONFIG_OF_CONTROL for canyonlands boards
>   ppc: amcc: Omit unneeded ns16550 CONFIG if using driver model
>   powerpc: Add serial driver for driver model
>   dm: powerpc: ppc4xx: Move glacier to use driver model for serial
>   powerpc: Add linkage.h file
>   serial: Support an early UART for debugging
>   serial: ns16550: Support debug UART
>   powerpc: ppc4xx: Provide early debug UART defaults
>
> Stefan Roese (1):
>   WIP: powerpc: ppc4xx: Somehow BSS is not cleared in RAMBOOT case
>

Are there any comments on this series? How should I go about getting it applied?

>  arch/Kconfig                                |   1 +
>  arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c      |   8 +
>  arch/powerpc/cpu/ppc4xx/config.mk           |   5 +-
>  arch/powerpc/cpu/ppc4xx/cpu_init.c          |   2 +
>  arch/powerpc/cpu/ppc4xx/start.S             |  18 +-
>  arch/powerpc/cpu/ppc4xx/u-boot.lds          |   8 +-
>  arch/powerpc/dts/Makefile                   |  11 +
>  arch/powerpc/dts/arches.dts                 | 339 ++++++++++++++++
>  arch/powerpc/dts/canyonlands.dts            | 555 ++++++++++++++++++++++++++
>  arch/powerpc/dts/glacier.dts                | 579 ++++++++++++++++++++++++++++
>  arch/powerpc/include/asm/arch-ppc4xx/gpio.h |   7 +
>  arch/powerpc/include/asm/linkage.h          |   7 +
>  arch/powerpc/include/asm/ppc460ex_gt.h      |   2 +
>  arch/powerpc/lib/board.c                    |   3 +
>  board/amcc/canyonlands/Kconfig              |  35 ++
>  board/amcc/canyonlands/MAINTAINERS          |   1 +
>  board/amcc/canyonlands/config.mk            |   2 -
>  board/amcc/canyonlands/u-boot-ram.lds       |  85 ++++
>  common/board_f.c                            |  18 +
>  common/board_r.c                            |   8 +-
>  configs/arches_defconfig                    |   5 +-
>  configs/canyonlands_defconfig               |   5 +-
>  configs/glacier_defconfig                   |   5 +-
>  configs/glacier_ramboot_defconfig           |   8 +
>  drivers/serial/Kconfig                      |  59 +++
>  drivers/serial/Makefile                     |   1 +
>  drivers/serial/ns16550.c                    |  42 +-
>  drivers/serial/serial_ppc.c                 |  40 ++
>  include/configs/amcc-common.h               |   2 +
>  include/configs/canyonlands.h               |  38 +-
>  include/debug_uart.h                        | 139 +++++++
>  31 files changed, 2006 insertions(+), 32 deletions(-)
>  create mode 100644 arch/powerpc/dts/Makefile
>  create mode 100644 arch/powerpc/dts/arches.dts
>  create mode 100644 arch/powerpc/dts/canyonlands.dts
>  create mode 100644 arch/powerpc/dts/glacier.dts
>  create mode 100644 arch/powerpc/include/asm/arch-ppc4xx/gpio.h
>  create mode 100644 arch/powerpc/include/asm/linkage.h
>  create mode 100644 board/amcc/canyonlands/u-boot-ram.lds
>  create mode 100644 configs/glacier_ramboot_defconfig
>  create mode 100644 drivers/serial/serial_ppc.c
>  create mode 100644 include/debug_uart.h
>
> --
> 2.2.0.rc0.207.ga3a616c
>

Regards,
Simon