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x86: apic - unify __setup_APIC_LVTT

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2008-08-18 20:45:55 +04:00 committed by Ingo Molnar
parent c43da2f5e9
commit c40aaec686
2 changed files with 15 additions and 7 deletions
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10
arch/x86/kernel/apic_32.c
View File

@ -248,8 +248,12 @@ int lapic_get_maxlvt(void)
* Local APIC timer
*/
/* Clock divisor is set to 16 */
/* Clock divisor */
#ifdef CONFG_X86_64
#define APIC_DIVISOR 1
#else
#define APIC_DIVISOR 16
#endif
/*
* This function sets up the local APIC timer, with a timeout of
@ -281,8 +285,8 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
*/
tmp_value = apic_read(APIC_TDCR);
apic_write(APIC_TDCR,
(tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
APIC_TDR_DIV_16);
(tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
APIC_TDR_DIV_16);
if (!oneshot)
apic_write(APIC_TMICT, clocks / APIC_DIVISOR);

12
arch/x86/kernel/apic_64.c
View File

@ -259,8 +259,12 @@ int lapic_get_maxlvt(void)
* Local APIC timer
*/
/* Clock divisor is set to 1 */
/* Clock divisor */
#ifdef CONFG_X86_64
#define APIC_DIVISOR 1
#else
#define APIC_DIVISOR 16
#endif
/*
* This function sets up the local APIC timer, with a timeout of
@ -291,9 +295,9 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
* Divide PICLK by 16
*/
tmp_value = apic_read(APIC_TDCR);
apic_write(APIC_TDCR, (tmp_value
& ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE))
| APIC_TDR_DIV_16);
apic_write(APIC_TDCR,
(tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
APIC_TDR_DIV_16);
if (!oneshot)
apic_write(APIC_TMICT, clocks / APIC_DIVISOR);