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authorKyösti Mälkki <kyosti.malkki@gmail.com>2019-07-01 10:12:45 +0300
committerPatrick Georgi <pgeorgi@google.com>2019-09-19 09:28:55 +0000
commit5a157176dd8787aed39a8d14691ba536bee08dcf (patch)
treef67cd11dcf0d1855cf38438b06ac7440f05d1a0b /src/cpu/x86
parent7841a7f82416e6ad1d00610cca43a3fa9cc6b320 (diff)
cpu/x86/lapic: Refactor timer_fsb()
Common apic_timer code in cpu/x86 should not depend on intel header files. Change-Id: Ib099921d4b8e561daea47219385762bb00fc4548 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34091 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu/x86')
-rw-r--r--src/cpu/x86/lapic/apic_timer.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/src/cpu/x86/lapic/apic_timer.c b/src/cpu/x86/lapic/apic_timer.c
index 83521b7230..58836b5e3f 100644
--- a/src/cpu/x86/lapic/apic_timer.c
+++ b/src/cpu/x86/lapic/apic_timer.c
@@ -17,44 +17,8 @@
#include <thread.h>
#include <arch/cpu.h>
#include <arch/early_variables.h>
-#include <cpu/intel/fsb.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic.h>
-#include <cpu/intel/speedstep.h>
-
-/* NOTE: This code uses global variables, so it can not be used during
- * memory init.
- */
-
-#if CONFIG_UDELAY_LAPIC_FIXED_FSB != 0
-static inline u32 get_timer_fsb(void)
-{
- return CONFIG_UDELAY_LAPIC_FIXED_FSB;
-}
-
-static int set_timer_fsb(void)
-{
- return 0;
-}
-#else
-static u32 g_timer_fsb CAR_GLOBAL;
-
-static int set_timer_fsb(void)
-{
- int ia32_fsb = get_ia32_fsb();
-
- if (ia32_fsb > 0) {
- car_set_var(g_timer_fsb, ia32_fsb);
- return 0;
- }
- return -1;
-}
-
-static inline u32 get_timer_fsb(void)
-{
- return car_get_var(g_timer_fsb);
-}
-#endif
void init_timer(void)
{
@@ -66,9 +30,6 @@ void init_timer(void)
/* Set the initial counter to 0xffffffff */
lapic_write(LAPIC_TMICT, 0xffffffff);
-
- /* Set FSB frequency to a reasonable value */
- set_timer_fsb();
}
void udelay(u32 usecs)