[U-Boot] [PATCH v5 016/101] x86: timer: Reduce timer code size in TPL on Intel CPUs

[Bin Meng]

On Mon, Nov 25, 2019 at 12:11 PM Simon Glass <sjg at chromium.org> wrote:
>
> Most of the timer-calibration methods are not needed on recent Intel CPUs
> and just increase code size. Add an option to use the known-good way to
> get the clock frequency in TPL. Size reduction is about 700 bytes.
>
> Note that version 1 of this commit caused bootstage to crash since the CPU
> was not identified. This is corrected by changes previously applied to
> make sure that the CPU is identified before spl_init() is called, such as
>
>    39146a2e0b x86: Move CPU init to before spl_init()
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v5: None
> Changes in v4:
> - Update commit message to indicate that CPU-identity bug is fixed
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/timer/Kconfig     | 9 +++++++++
>  drivers/timer/tsc_timer.c | 7 +++++--
>  2 files changed, 14 insertions(+), 2 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>