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| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-20 22:02:33 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-11-29 09:19:54 +0000 |
| commit | 22be29e23b278bc0dd344832a8e3cab1eeb07f7a (patch) | |
| tree | 9ef190a214e5085e8f0b0896429a9fa721350b11 | |
| parent | c2a9c426701a45cfcb624e8d3befb258c74abe06 (diff) | |
| download | coreboot-22be29e23b278bc0dd344832a8e3cab1eeb07f7a.tar.xz | |
drivers/pc80/pc/i8254.c: Drop CAR_GLOBAL_MIGRATION support
Change-Id: Ibe9b353ce050b4718e07bccb958dbe3d2312e741
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37045
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/drivers/pc80/pc/i8254.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/src/drivers/pc80/pc/i8254.c b/src/drivers/pc80/pc/i8254.c index 5090f0c85b..9d23d4697e 100644 --- a/src/drivers/pc80/pc/i8254.c +++ b/src/drivers/pc80/pc/i8254.c @@ -11,7 +11,6 @@ * GNU General Public License for more details. */ -#include <arch/early_variables.h> #include <arch/io.h> #include <commonlib/helpers.h> #include <cpu/x86/tsc.h> @@ -107,23 +106,19 @@ bad_ctc: } #if CONFIG(UNKNOWN_TSC_RATE) -static u32 g_timer_tsc CAR_GLOBAL; +static u32 g_timer_tsc; unsigned long tsc_freq_mhz(void) { - u32 tsc; + if (g_timer_tsc > 0) + return g_timer_tsc; - tsc = car_get_var(g_timer_tsc); - if (tsc > 0) - return tsc; - - tsc = calibrate_tsc_with_pit(); + g_timer_tsc = calibrate_tsc_with_pit(); /* Set some semi-ridiculous rate if approximation fails. */ - if (tsc == 0) - tsc = 5000; + if (g_timer_tsc == 0) + g_timer_tsc = 5000; - car_set_var(g_timer_tsc, tsc); - return tsc; + return g_timer_tsc; } #endif |