[U-Boot] [PATCH v3 0/12] x86: Better support of coreboot

[Bin Meng]

Hi Simon,

On Tue, Jan 6, 2015 at 12:20 PM, Bin Meng <bmeng.cn at gmail.com> wrote:
> In theory U-Boot built for coreboot is supposed to run as a payload
> to be loaded by coreboot on every board that coreboot supports.
> The U-Boot build process uses SYS_CONFIG_NAME and DEFAULT_DEVICE_TREE
> which are hardcoded in board defconfig and Kconfig files. For better
> support of coreboot, we want to make these two options configurable
> so that we can easily change them during 'make menuconfig' so that
> the generated U-Boot image for coreboot is board configuration aware.
>
> Note this v2/v3 patch series aims to better support coreboot, while v1
> patch series just tried to resolve the issues seen on qemu. Several
> issues are fixed to make coreboot support in U-Boot more robust.
>
> See v1 patch discussion
> @ http://lists.denx.de/pipermail/u-boot/2015-January/200140.html
>
> The official qemu U-Boot support will come in the future. This patch
> series have been tested with coreboot running on qemu and Intel Crown
> Bay (my own unofficiall simple port, not in coreboot mainline) then
> loading the U-Boot built with the new mechanism.
>
> Changes in v3:
> - Make coreboot options wrapped by TARGET_COREBOOT
> - Remove these options from include/configs/coreboot.h for bisectability
> - Move CONFIG_VIDEO_X86 to drivers/video/Kconfig
>
> Changes in v2:
> - Fix the CONFIG_COLLECT_TIMESTAMPS typo in the comment block
>   and commit message
> - Spell out TSC, MSR and PIT in the Kconfig help
> - New patch to move CONFIG_X86_RESET_VECTOR and CONFIG_SYS_X86_START16
>   to Kconfig
> - New patch to hide ROM chip size when CONFIG_X86_RESET_VECTOR is
>   not selected
> - New patch to make SYS_CONFIG_NAME and DEFAULT_DEVICE_TREE configurable
> - New patch to move coreboot specific defines from coreboot.h to Kconfig
> - New patch to move CONFIG_SYS_CAR_xxx to Kconfig
> - New patch to remove include/configs/coreboot.h
> - New patch to make chromebook_link the default board for coreboot
> - Leave CROS_EC defines unchanged in coreboot.h
> - New patch to configure pci memory regions
> - Fix several typos in README.x86
> - New patch to update REAME.x86 for coreboot support
>
> Bin Meng (12):
>   x86: coreboot: Set up timer base correctly
>   x86: Allow a hardcoded TSC frequency provided by Kconfig
>   x86: Move CONFIG_X86_RESET_VECTOR and CONFIG_SYS_X86_START16 to
>     Kconfig
>   x86: Hide ROM chip size when CONFIG_X86_RESET_VECTOR is not selected
>   x86: coreboot: Make SYS_CONFIG_NAME and DEFAULT_DEVICE_TREE
>     configurable
>   x86: coreboot: Move coreboot-specific defines from coreboot.h to
>     Kconfig
>   x86: Move CONFIG_SYS_CAR_xxx to Kconfig
>   x86: Remove include/configs/coreboot.h
>   x86: Make chromebook_link the default board for coreboot
>   x86: coreboot: Wrap cros_ec initialization
>   x86: coreboot: Configure pci memory regions
>   x86: Update README.x86 for coreboot support
>
>  arch/x86/Kconfig                     |  32 +++++
>  arch/x86/cpu/coreboot/Kconfig        |  15 +++
>  arch/x86/cpu/coreboot/pci.c          |  30 ++++-
>  arch/x86/cpu/coreboot/timestamp.c    |  33 +++---
>  arch/x86/dts/Makefile                |   3 +-
>  arch/x86/dts/chromebook_link.dts     | 220 ++++++++++++++++++++++++++++++++++-
>  arch/x86/dts/link.dts                | 219 ----------------------------------
>  arch/x86/lib/tsc_timer.c             |   8 +-
>  board/coreboot/coreboot/Kconfig      |  27 ++++-
>  board/coreboot/coreboot/MAINTAINERS  |   2 +-
>  board/coreboot/coreboot/coreboot.c   |   2 +
>  board/google/chromebook_link/Kconfig |   9 ++
>  board/intel/crownbay/Kconfig         |   1 +
>  configs/chromebook_link_defconfig    |   1 +
>  configs/coreboot-x86_defconfig       |   1 -
>  doc/README.x86                       |  39 ++++++-
>  drivers/video/Kconfig                |   8 ++
>  include/configs/chromebook_link.h    |   7 +-
>  include/configs/coreboot.h           |  75 ------------
>  include/configs/crownbay.h           |   2 -
>  20 files changed, 408 insertions(+), 326 deletions(-)
>  create mode 100644 arch/x86/cpu/coreboot/Kconfig
>  mode change 120000 => 100644 arch/x86/dts/chromebook_link.dts
>  delete mode 100644 arch/x86/dts/link.dts
>  delete mode 100644 include/configs/coreboot.h
>
> --

Looks that I have to send a v4 as I just noticed that there are merge
conflicts with u-boot-x86/next branch on which one of your patch
series was applied yesterday. Sorry for the bandwidth.

Regards,
Bin