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author | Tom Rini <trini@konsulko.com> | 2023-04-03 16:45:41 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2023-04-03 16:45:41 -0400 |
commit | 288fe30a2367b8d0e3f416493150a38ebaa88459 (patch) | |
tree | 1f841eb95d9ceeda4aa3255fb1132a0342f9b19a /drivers/timer/tsc_timer.c | |
parent | fd4ed6b7e83ec3aea9a2ce21baea8ca9676f40dd (diff) | |
parent | 9876c8c147144db2c120fcc9ffa6de27f6894441 (diff) |
Merge branch 'next'
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/timer/tsc_timer.c')
-rw-r--r-- | drivers/timer/tsc_timer.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c index 192c7b71a5a..f86a0b86921 100644 --- a/drivers/timer/tsc_timer.c +++ b/drivers/timer/tsc_timer.c @@ -404,6 +404,15 @@ static void tsc_timer_ensure_setup(bool early) if (!gd->arch.clock_rate) { unsigned long fast_calibrate; + /** + * There is no obvious way to obtain this information from EFI + * boot services. This value was measured on a Framework Laptop + * which has a 12th Gen Intel Core + */ + if (IS_ENABLED(CONFIG_EFI_APP)) { + fast_calibrate = 2750; + goto done; + } fast_calibrate = native_calibrate_tsc(); if (fast_calibrate) goto done; |