diff options
Diffstat (limited to 'src/soc/intel/cannonlake')
| -rw-r--r-- | src/soc/intel/cannonlake/chip.h | 5 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/finalize.c | 9 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/include/soc/pmc.h | 3 |
3 files changed, 16 insertions, 1 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h index 0712146544..fd37d26492 100644 --- a/src/soc/intel/cannonlake/chip.h +++ b/src/soc/intel/cannonlake/chip.h @@ -59,8 +59,13 @@ struct soc_intel_cannonlake_config { uint32_t gen3_dec; uint32_t gen4_dec; + /* S0ix configuration */ + /* Enable S0iX support */ int s0ix_enable; + /* Enable Audio DSP oscillator qualification for S0ix */ + uint8_t cppmvric2_adsposcdis; + /* Enable DPTF support */ int dptf_enable; 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); diff --git a/src/soc/intel/cannonlake/include/soc/pmc.h b/src/soc/intel/cannonlake/include/soc/pmc.h index 252c719925..fbd366bb2c 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 0x1B4C +#define ADSPOSCDIS (1 << 22) + #define IRQ_REG ACTL #define SCI_IRQ_ADJUST 0 #define ACTL 0x1BD8 |