[U-Boot] [PATCH 0/19] Remove unused code, add accurate timier and bootstage

[Vadim Bendebury (вб)]

 On Wed, Apr 17, 2013 at 7:13 PM, Simon Glass <sjg at chromium.org> wrote:
>
> This series removes unused x86 code based on advice from Graeme Russ. THis
> code was used for real mode which is no longer needed in U-Boot.
>
> A new more accurate timer is added, and this permits bootstage to be
> enabled and produce useful results on x86.
>
>
> Doug Anderson (2):
>   bootstage: Copy bootstage strings post-relocation
>   Call bootstage_relocate() after malloc is initted
>
> Simon Glass (17):
>   x86: Remove unused bios/pci code
>   x86: Remove unused portion of link script
>   x86: Remove legacy board init code
>   x86: Declare global_data pointer when it is used
>   x86: Implement panic output for coreboot
>   x86: Rationalise kernel booting logic and bootstage
>   x86: Add TSC timer
>   x86: Remove old broken timer implementation
>   x86: Remove ISR timer
>   x86: Re-enable PCAT timer 2 for beeping
>   bootstage: Add stubs for new bootstage functions
>   x86: Enable bootstage for coreboot
>   bootstage: Allow marking a particular line of code
>   x86: Fix warning in cmd_ximg.c when CONFIG_GZIP is not defined
>   x86: config: Enable LZO for coreboot, remove zlib, gzip
>   x86: Support adding coreboot timestanps to bootstage
>   x86: Add coreboot timestamps
>
>  arch/x86/cpu/Makefile                          |   2 +-
>  arch/x86/cpu/coreboot/coreboot.c               |  13 ++
>  arch/x86/cpu/coreboot/timestamp.c              |  42 +++-
>  arch/x86/cpu/cpu.c                             |   5 +
>  arch/x86/cpu/interrupts.c                      |   2 +
>  arch/x86/cpu/timer.c                           |  17 --
>  arch/x86/cpu/u-boot.lds                        |  12 --
>  arch/x86/include/asm/arch-coreboot/timestamp.h |   7 +
>  arch/x86/include/asm/init_helpers.h            |   9 -
>  arch/x86/include/asm/init_wrappers.h           |  42 ----
>  arch/x86/include/asm/pci.h                     |   4 -
>  arch/x86/include/asm/u-boot-x86.h              |   4 +
>  arch/x86/include/asm/u-boot.h                  |  32 ---
>  arch/x86/lib/Makefile                          |  10 +-
>  arch/x86/lib/bios.h                            | 170 ---------------
>  arch/x86/lib/board.c                           | 273 -------------------------
>  arch/x86/lib/bootm.c                           |   8 -
>  arch/x86/lib/cmd_boot.c                        |   2 +
>  arch/x86/lib/init_helpers.c                    |  98 ---------
>  arch/x86/lib/init_wrappers.c                   | 164 ---------------
>  arch/x86/lib/pcat_timer.c                      |  69 +------
>  arch/x86/lib/pci.c                             | 188 -----------------
>  arch/x86/lib/physmem.c                         |   2 +
>  arch/x86/lib/relocate.c                        |   2 +
>  arch/x86/lib/timer.c                           | 116 -----------
>  arch/x86/lib/tsc_timer.c                       | 107 ++++++++++
>  arch/x86/lib/zimage.c                          |  11 +-
>  common/board_r.c                               |   1 +
>  common/bootstage.c                             |  44 ++++
>  common/cmd_ximg.c                              |   2 +
>  include/bootstage.h                            |  54 +++++
>  include/configs/coreboot.h                     |  18 +-
>  32 files changed, 314 insertions(+), 1216 deletions(-)
>  delete mode 100644 arch/x86/cpu/timer.c
>  delete mode 100644 arch/x86/include/asm/init_wrappers.h
>  delete mode 100644 arch/x86/lib/bios.h
>  delete mode 100644 arch/x86/lib/board.c
>  delete mode 100644 arch/x86/lib/init_wrappers.c
>  delete mode 100644 arch/x86/lib/pci.c
>  delete mode 100644 arch/x86/lib/timer.c
>  create mode 100644 arch/x86/lib/tsc_timer.c
>
> --
> 1.8.2.1
>

Simon, just out of curiosity: how was this tested, on what platforms,
what procedure was followed, etc.

--vb