diff options
| author | John Zhao <john.zhao@intel.com> | 2018-10-30 15:12:11 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-11-08 11:31:40 +0000 |
| commit | e673e5c09eebad3efbe19d15d064d131771abc2c (patch) | |
| tree | 2a2063231f69218f467e8d1ef53a3b091fe5b73a /src/soc/intel/apollolake/chip.c | |
| parent | e05fa66b24fa8227cb8c4e7f5a9d98871a743f98 (diff) | |
soc/intel/apollolake: Improve cold boot and S3 resume
FSP 2.0.7.1 provides UPD interface to execute IPC command. Configure
PmicPmcIpcCtrl for PMC to program PMIC PCH_PWROK delay from default
100ms to 10ms to improve cold boot and S3 resume performance.
BUG=b:118676361
CQ-DEPEND=CL:*703187
TEST=Verified system_resume_firmware_ec time reduction.
Change-Id: I05656c9083a855112120b7f1b0ec01c42f582409
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/29363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/soc/intel/apollolake/chip.c')
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 9ee6dbb96d..e6904da75f 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -567,6 +567,13 @@ static void glk_fsp_silicon_init_params_cb( * has set up. Hence skipping in FSP. */ silconfig->SkipSpiPCP = 1; + + /* + * FSP provides UPD interface to execute IPC command. In order to + * improve boot performance, configure PmicPmcIpcCtrl for PMC to program + * PMIC PCH_PWROK delay. + */ + silconfig->PmicPmcIpcCtrl = cfg->PmicPmcIpcCtrl; #endif } |