* Programming the apic when no external to cpu timer is present?
@ 2008-08-10 0:19 Bradley Hanna
2008-08-10 7:28 ` Cyrill Gorcunov
0 siblings, 1 reply; 3+ messages in thread
From: Bradley Hanna @ 2008-08-10 0:19 UTC (permalink / raw)
To: linux-kernel
I am working with an embedded testing board that has no timer external
to the cpu other than an rtc. How does linux go about programming the
local cpu timer (apic) to raise hardware interrupts?
thanks for your patience,
brahan
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Programming the apic when no external to cpu timer is present?
2008-08-10 0:19 Programming the apic when no external to cpu timer is present? Bradley Hanna
@ 2008-08-10 7:28 ` Cyrill Gorcunov
2008-08-10 7:32 ` Cyrill Gorcunov
0 siblings, 1 reply; 3+ messages in thread
From: Cyrill Gorcunov @ 2008-08-10 7:28 UTC (permalink / raw)
To: Bradley Hanna; +Cc: linux-kernel
[Bradley Hanna - Sat, Aug 09, 2008 at 08:19:43PM -0400]
| I am working with an embedded testing board that has no timer external
| to the cpu other than an rtc. How does linux go about programming the
| local cpu timer (apic) to raise hardware interrupts?
|
| thanks for your patience,
|
| brahan
|
you could take a look on apic_(32|64).c. Here is the
function you need I hope - setup_APIC_timer
- Cyrill -
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Programming the apic when no external to cpu timer is present?
2008-08-10 7:28 ` Cyrill Gorcunov
@ 2008-08-10 7:32 ` Cyrill Gorcunov
0 siblings, 0 replies; 3+ messages in thread
From: Cyrill Gorcunov @ 2008-08-10 7:32 UTC (permalink / raw)
To: Bradley Hanna, linux-kernel
[Cyrill Gorcunov - Sun, Aug 10, 2008 at 11:28:38AM +0400]
| [Bradley Hanna - Sat, Aug 09, 2008 at 08:19:43PM -0400]
| | I am working with an embedded testing board that has no timer external
| | to the cpu other than an rtc. How does linux go about programming the
| | local cpu timer (apic) to raise hardware interrupts?
| |
| | thanks for your patience,
| |
| | brahan
| |
|
| you could take a look on apic_(32|64).c. Here is the
| function you need I hope - setup_APIC_timer
|
| - Cyrill -
oops - it should be lapic_timer_setup :)
- Cyrill -
^ permalink raw reply [flat|nested] 3+ messages in thread
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2008-08-10 0:19 Programming the apic when no external to cpu timer is present? Bradley Hanna
2008-08-10 7:28 ` Cyrill Gorcunov
2008-08-10 7:32 ` Cyrill Gorcunov
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