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| author | Aamir Bohra <aamir.bohra@intel.com> | 2019-12-09 16:05:52 +0530 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-02-04 16:14:50 +0000 |
| commit | 4d9d3f164de7002dd38f12dc40f9b260f63d2d9b (patch) | |
| tree | f49b32b7c994c45f73174f519791681f8c371927 /src/soc/intel/cannonlake/finalize.c | |
| parent | d8663e0fc6629835eba44cc78e63e285aced897f (diff) | |
| download | coreboot-4d9d3f164de7002dd38f12dc40f9b260f63d2d9b.tar.xz | |
soc/intel/cannonlake: Allow Audio DSP OSC qualification for low power idle
With Audio DSP OSC qualification disabled from S0ix criteria.
S0ix is achieved before the DSP is suspended. When driver tries
to suspend DSP its already turned off.
BUG=b:139481313
Change-Id: I20b793b95483af03ce4ae068ac07864a9e90d39b
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37604
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/cannonlake/finalize.c')
| -rw-r--r-- | src/soc/intel/cannonlake/finalize.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c index 002e8ea42b..b2fb9f9ec6 100644 --- a/src/soc/intel/cannonlake/finalize.c +++ b/src/soc/intel/cannonlake/finalize.c @@ -91,11 +91,18 @@ static void pch_finalize(void) write8(pmcbase + PCH_PWRM_ACPI_TMR_CTL, reg8); } - /* Disable XTAL shutdown qualification for low power idle. */ if (config->s0ix_enable) { + /* Disable XTAL shutdown qualification for low power idle. */ reg32 = read32(pmcbase + CPPMVRIC); reg32 |= XTALSDQDIS; write32(pmcbase + CPPMVRIC, reg32); + + if (config->cppmvric2_adsposcdis) { + /* Enable Audio DSP OSC qualification for S0ix */ + reg32 = read32(pmcbase + CPPMVRIC2); + reg32 &= ~ADSPOSCDIS; + write32(pmcbase + CPPMVRIC2, reg32); + } } pch_handle_sideband(config); |