diff options
| author | Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com> | 2016-09-02 16:04:27 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-09-07 18:54:14 +0200 |
| commit | 88df48c555e31c0c59ac8ff6dffb812a51f57c8b (patch) | |
| tree | 5147b2006847f1c821302a3aeaa499174dc33404 | |
| parent | 8ba2010d126ce7a6d32504bcb2a0e1b231732c0f (diff) | |
| download | coreboot-88df48c555e31c0c59ac8ff6dffb812a51f57c8b.tar.xz | |
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>
Reviewed-on: https://review.coreboot.org/16423
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 7 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/chip.h | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 9cec08dcec..78c669d995 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 22217a4dea..a9605b76a8 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; }; |