Aamir Bohra has uploaded this change for review.

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soc/intel/cannonlake: [TEST-ONLY] Enable Audio DSP OSC qualification for low power idle

Change-Id: I20b793b95483af03ce4ae068ac07864a9e90d39b
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
---
M src/soc/intel/cannonlake/finalize.c
M src/soc/intel/cannonlake/include/soc/pmc.h
2 files changed, 9 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/37604/1

diff --git a/src/soc/intel/cannonlake/finalize.c b/src/soc/intel/cannonlake/finalize.c
index 115b732..a37ac98 100644
--- a/src/soc/intel/cannonlake/finalize.c
+++ b/src/soc/intel/cannonlake/finalize.c
@@ -92,11 +92,16 @@
 		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);
+
+		/* Enable Audio DSP OSC qualification for low power idle. */
+		reg32 = read32(pmcbase + CPPMVRIC2);
+		reg32 &= ~ADSPOSCDIS;
+		write32(pmcbase + CPPMVRIC2, reg32);
 	}
 
 	pch_handle_sideband(config);
diff --git a/src/soc/intel/cannonlake/include/soc/pmc.h b/src/soc/intel/cannonlake/include/soc/pmc.h
index 252c719..878271c 100644
--- a/src/soc/intel/cannonlake/include/soc/pmc.h
+++ b/src/soc/intel/cannonlake/include/soc/pmc.h
@@ -156,6 +156,9 @@
 #define CPPMVRIC			0x1B1C
 #define   XTALSDQDIS			(1 << 22)
 
+#define CPPMVRIC2			0x1B1C
+#define   ADSPOSCDIS			(1 << 22)
+
 #define IRQ_REG				ACTL
 #define SCI_IRQ_ADJUST			0
 #define ACTL				0x1BD8

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