diff options
| author | Bin Meng | 2021-07-28 12:00:22 +0800 |
|---|---|---|
| committer | Bin Meng | 2021-08-02 15:11:40 +0800 |
| commit | 5824bc6d6fe5f63aa1fb9acbe5ad5aa28d77380f (patch) | |
| tree | 6487147d95901121d9caa2391759fc654cf0061a /drivers/timer | |
| parent | ffaa7abfc5e930448a3aadb17e5eb00cabb37b9d (diff) | |
x86: tsc: Rename X86_TSC_TIMER_EARLY_FREQ to X86_TSC_TIMER_FREQ
Currently there are two places to specify the x86 TSC timer frequency
with one in Kconfig used for early timer and the other one in device
tree used when the frequency cannot be determined from hardware.
This may potentially create an inconsistent config where the 2 values
do not match. Let's use the one specified in Kconfig in the device
tree as well.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/timer')
| -rw-r--r-- | drivers/timer/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/timer/tsc_timer.c | 5 |
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig index ee81dfa7768..89131426542 100644 --- a/drivers/timer/Kconfig +++ b/drivers/timer/Kconfig @@ -124,12 +124,12 @@ config RENESAS_OSTM_TIMER Enables support for the Renesas OSTM Timer driver. This timer is present on Renesas RZ/A1 R7S72100 SoCs. -config X86_TSC_TIMER_EARLY_FREQ - int "x86 TSC timer frequency in MHz when used as the early timer" +config X86_TSC_TIMER_FREQ + int "x86 TSC timer frequency in Hz" depends on X86_TSC_TIMER - default 1000 + default 1000000000 help - Sets the estimated CPU frequency in MHz when TSC is used as the + Sets the estimated CPU frequency in Hz when TSC is used as the early timer and the frequency can neither be calibrated via some hardware ways, nor got from device tree at the time when device tree is not available yet. diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c index 7d19a99622b..adef50c3744 100644 --- a/drivers/timer/tsc_timer.c +++ b/drivers/timer/tsc_timer.c @@ -425,12 +425,13 @@ static void tsc_timer_ensure_setup(bool early) goto done; if (early) - fast_calibrate = CONFIG_X86_TSC_TIMER_EARLY_FREQ; + gd->arch.clock_rate = CONFIG_X86_TSC_TIMER_FREQ; else return; done: - gd->arch.clock_rate = fast_calibrate * 1000000; + if (!gd->arch.clock_rate) + gd->arch.clock_rate = fast_calibrate * 1000000; } gd->arch.tsc_inited = true; } |