Venkateswarlu V Vinjamuri (venkateswarlu.v.vinjamuri@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16423
-gerrit
commit c23617b9031463624186888254a64497fab2f0b1 Author: Venkateswarlu Vinjamuri venkateswarlu.v.vinjamuri@intel.com Date: Fri Sep 2 16:04:27 2016 -0700
soc/apollolake: Enable/disable Audio clk and power gate in devicetree.cb
BUG=chrome-os-partner:56034
Change-Id: Id88d262b32dea468536575117fc34d52076a3096 Signed-off-by: Venkateswarlu Vinjamuri venkateswarlu.v.vinjamuri@intel.com --- src/soc/intel/apollolake/chip.c | 7 +++++++ src/soc/intel/apollolake/chip.h | 7 +++++++ 2 files changed, 14 insertions(+)
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 9cec08d..78c669d 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -400,6 +400,13 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
/* Disable FSP from locking access to the RTC NVRAM */ silconfig->RtcLock = 0; + + /* Enable Audio clk gate and power gate */ + silconfig->HDAudioClkGate = cfg->hdaudio_clk_gate_enable; + silconfig->HDAudioPwrGate = cfg->hdaudio_pwr_gate_enable; + /* Bios config lockdown Audio clk and power gate */ + silconfig->BiosCfgLockDown = cfg->hdaudio_bios_config_lockdown; + }
struct chip_operations soc_intel_apollolake_ops = { diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h index 22217a4..a9605b7 100644 --- a/src/soc/intel/apollolake/chip.h +++ b/src/soc/intel/apollolake/chip.h @@ -107,6 +107,13 @@ struct soc_intel_apollolake_config { /* Enable DPTF support */ int dptf_enable;
+ /* Configure Audio clk gate and power gate + * IOSF-SB port ID 92 offset 0x530 [5] and [3] + */ + uint8_t hdaudio_clk_gate_enable; + uint8_t hdaudio_pwr_gate_enable; + uint8_t hdaudio_bios_config_lockdown; + /* SLP S3 minimum assertion width. */ int slp_s3_assertion_width_usecs; };