On Thu, Aug 8, 2019 at 10:35 PM Bin Meng <[email protected]> wrote: > > On Sat, Aug 3, 2019 at 4:30 PM Park, Aiden <[email protected]> wrote: > > > > Slim Bootloader already calibrated TSC and provides it to U-Boot. > > Therefore, U-Boot does not have to re-calibrate TSC. > > Configuring tsc_base and clock_rate makes x86 tsc_timer driver bypass > > TSC calibration and use the provided TSC frequency. > > - Get TSC frequency from performance info hob > > - Set tsc_base and clock_rate for tsc_timer driver > > > > Signed-off-by: Aiden Park <[email protected]> > > Reviewed-by: Bin Meng <[email protected]> > > --- > > Changes in v6: > > * Use EFI_GUID > > * Add more comments while setting tsc_base and clock_rate > > * Apply code-review comments > > > > Changes in v3: > > * Use HOB function from the common HOB library > > > > arch/x86/cpu/slimbootloader/slimbootloader.c | 37 +++++++++++++++++++ > > .../asm/arch-slimbootloader/slimbootloader.h | 28 ++++++++++++++ > > 2 files changed, 65 insertions(+) > > > > Tested-by: Bin Meng <[email protected]>
applied to u-boot-x86, thanks! _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
