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byt: use an internal timer for "cpu_timer" - #3346

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lyakh:byt_timer
Aug 26, 2020
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lgirdwood merged 1 commit into
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lyakh:byt_timer

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@lyakh

@lyakh lyakh commented Aug 25, 2020

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Using the same hardware timer for both "cpu_timer" and
"platform_timer" doesn't work, switch the "cpu_timer" to use
TIMER1 on Baytrail. This also fixes performance counters on
the platform.

Fixes #3274

Using the same hardware timer for both "cpu_timer" and
"platform_timer" doesn't work, switch the "cpu_timer" to use
TIMER1 on Baytrail. This also fixes performance counters on
the platform.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
@lyakh
lyakh requested a review from xiulipan as a code owner August 25, 2020 12:46
@lyakh
lyakh requested review from jajanusz and lgirdwood August 25, 2020 13:36
@lgirdwood
lgirdwood merged commit 84298db into thesofproject:master Aug 26, 2020
@plbossart

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what about Broadwell and i.MX? Don't we need a similar change? I think @jajanusz mentioned this a couple of weeks ago?

@lgirdwood

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BDW uses system timer by defaul - it has no external timer like CAVS or BYT. Not sure about i.MX @dbaluta ?

@lyakh
lyakh deleted the byt_timer branch August 27, 2020 05:39
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[BUG] Platform & CPU timer should be distinct

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