[U-Boot] [PATCH 00/29] blackfin: Add driver-model and device tree suport

[Simon Glass]

+Tom

Hi,

On 14 December 2016 at 20:27, Simon Glass <sjg at chromium.org> wrote:
> At present the only serial driver that is not converted to driver mode is
> blackfin. As I recently obtained a suitable board from a kind donor I have
> decided to convert the driver over, as the unpalatable alternative would
> be to remove blackfin support from U-Boot.
>
> Blackfin's init sequence is someone non-standard. This series adjusts this
> to fit more with how things are now done, adds device-tree support, a
> serial driver and enables driver model on bf537-stamp.
>
> A few CONFIG options are dropped in this series also, as these were
> noticed along the way.
>
> Future work could enhance the serial driver to support v4 hardware and
> convert all boards to driver model.
>
>
> Simon Glass (29):
>   blackfin: Drop CONFIG_SYS_MEMTEST_START/END
>   fdt: Allow the device tree to be set up by board init code
>   blackfin: Add a few useful linker symbols
>   blackfin: Drop the extra blank line in the link script
>   blackfin: Use compiler-generated symbols for BSS
>   blackfin: Clear the BSS in C code
>   blackfin: Add a memory region for pre-relocation data
>   blackfin: Use generic board to set the stack address
>   blackfin: Avoid using bd_info in print_cpuinfo()
>   blackfin: Avoiding using P3 in early init
>   blackfin: Allow cpu_init_f() to return
>   blackfin: Drop CONFIG_STACKBASE
>   tegra: Drop CONFIG_STACKBASE in favour of TEGRA_STACKBASE
>   sparc: Drop CONFIG_SYS_MALLOC_BASE
>   blackfin: Drop CONFIG_SYS_MALLOC_BASE
>   Drop CONFIG_SYS_MALLOC_END
>   blackfin: Call C code to relocate
>   blackfin: Don't set global_data again
>   blackfin: Set the RAM size separately from bd_info
>   blackfin: Set up bd_info later
>   blackfin: Copy the device tree out of BSS
>   blackfin: Allow use of CONFIG_OF_CONTROL
>   blackfin: bf537-stamp: Enable CONFIG_OF_CONTROL
>   dm: serial: Reset the watchdog when outputting characters
>   dm: serial: pxa: Drop pxa from the serial README
>   dm: serial: Update the serial README
>   dm: blackfin: Add a driver-model serial driver
>   blackfin: Set up the debug UART if enabled
>   blackfin: Enable driver-model on bf537-stamp
>
>  arch/Kconfig                        |   1 +
>  arch/blackfin/Kconfig               |   9 ++
>  arch/blackfin/cpu/cpu.c             |  69 +++++++------
>  arch/blackfin/cpu/start.S           |  35 +++----
>  arch/blackfin/cpu/u-boot.lds        |  24 ++++-
>  arch/blackfin/dts/Makefile          |  18 ++++
>  arch/blackfin/dts/bf537-stamp.dts   |  11 +++
>  arch/blackfin/include/asm/config.h  |  12 ---
>  arch/blackfin/include/asm/serial1.h |   2 +
>  arch/blackfin/include/asm/u-boot.h  |   5 +
>  arch/blackfin/lib/sections.c        |   2 +-
>  cmd/bdinfo.c                        |   2 -
>  configs/bf537-stamp_defconfig       |   8 ++
>  doc/driver-model/serial-howto.txt   |  11 +--
>  drivers/serial/Kconfig              |   8 ++
>  drivers/serial/serial-uclass.c      |   2 +
>  drivers/serial/serial_bfin.c        | 192 ++++++++++++++++++++++++++++++++++++
>  include/configs/bf537-stamp.h       |   1 +
>  include/configs/bf609-ezkit.h       |   1 -
>  include/configs/gr_cpci_ax2000.h    |   5 +-
>  include/configs/gr_ep2s60.h         |   5 +-
>  include/configs/gr_xc3s_1500.h      |   5 +-
>  include/configs/grsim.h             |   5 +-
>  include/configs/grsim_leon2.h       |   5 +-
>  include/configs/openrisc-generic.h  |   3 -
>  include/configs/s32v234evb.h        |   4 -
>  include/configs/tegra-common.h      |   2 +-
>  include/configs/tegra114-common.h   |   2 +-
>  include/configs/tegra124-common.h   |   2 +-
>  include/configs/tegra186-common.h   |   2 +-
>  include/configs/tegra20-common.h    |   2 +-
>  include/configs/tegra210-common.h   |   2 +-
>  include/configs/tegra30-common.h    |   2 +-
>  lib/fdtdec.c                        |  31 +++---
>  scripts/config_whitelist.txt        |   3 -
>  35 files changed, 360 insertions(+), 133 deletions(-)
>  create mode 100644 arch/blackfin/dts/Makefile
>  create mode 100644 arch/blackfin/dts/bf537-stamp.dts
>
> --
> 2.8.0.rc3.226.g39d4020
>

Any reviews on this? Will someone pick it up?

Regards,
Simon