diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/meteorlake/chip.h | 49 | ||||
| -rw-r--r-- | src/soc/intel/meteorlake/fsp_params.c | 19 |
2 files changed, 68 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h index fa657733d844..2c93aac69dfc 100644 --- a/src/soc/intel/meteorlake/chip.h +++ b/src/soc/intel/meteorlake/chip.h @@ -457,6 +457,55 @@ struct soc_intel_meteorlake_config { */ bool cpu_replacement_check; + enum { + SLP_S3_ASSERTION_DEFAULT, + SLP_S3_ASSERTION_60_US, + SLP_S3_ASSERTION_1_MS, + SLP_S3_ASSERTION_50_MS, + SLP_S3_ASSERTION_2_S, + } pch_slp_s3_min_assertion_width; + + enum { + SLP_S4_ASSERTION_DEFAULT, + SLP_S4_ASSERTION_1S, + SLP_S4_ASSERTION_2S, + SLP_S4_ASSERTION_3S, + SLP_S4_ASSERTION_4S, + } pch_slp_s4_min_assertion_width; + + enum { + SLP_SUS_ASSERTION_DEFAULT, + SLP_SUS_ASSERTION_0_MS, + SLP_SUS_ASSERTION_500_MS, + SLP_SUS_ASSERTION_1_S, + SLP_SUS_ASSERTION_4_S, + } pch_slp_sus_min_assertion_width; + + enum { + SLP_A_ASSERTION_DEFAULT, + SLP_A_ASSERTION_0_MS, + SLP_A_ASSERTION_4_S, + SLP_A_ASSERTION_98_MS, + SLP_A_ASSERTION_2_S, + } pch_slp_a_min_assertion_width; + + /* + * PCH PM Reset Power Cycle Duration + * NOTE: Duration programmed in the PchPmPwrCycDur should never be smaller than the + * stretch duration programmed in the following registers: + * - GEN_PMCON_A.SLP_S3_MIN_ASST_WDTH (PchPmSlpS3MinAssert) + * - GEN_PMCON_A.S4MAW (PchPmSlpS4MinAssert) + * - PM_CFG.SLP_A_MIN_ASST_WDTH (PchPmSlpAMinAssert) + * - PM_CFG.SLP_LAN_MIN_ASST_WDTH + */ + enum { + POWER_CYCLE_DURATION_DEFAULT, + POWER_CYCLE_DURATION_1S, + POWER_CYCLE_DURATION_2S, + POWER_CYCLE_DURATION_3S, + POWER_CYCLE_DURATION_4S, + } pch_reset_power_cycle_duration; + /* ISA Serial Base selection. */ enum { ISA_SERIAL_BASE_ADDR_3F8, diff --git a/src/soc/intel/meteorlake/fsp_params.c b/src/soc/intel/meteorlake/fsp_params.c index 8c3ceb75ccb7..9adee42f7f33 100644 --- a/src/soc/intel/meteorlake/fsp_params.c +++ b/src/soc/intel/meteorlake/fsp_params.c @@ -22,6 +22,7 @@ #include <intelblocks/irq.h> #include <intelblocks/lpss.h> #include <intelblocks/mp_init.h> +#include <intelblocks/pmclib.h> #include <intelblocks/systemagent.h> #include <intelblocks/xdci.h> #include <intelpch/lockdown.h> @@ -658,6 +659,24 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg, /* Enable the energy efficient turbo mode */ s_cfg->EnergyEfficientTurbo = 1; s_cfg->PmcLpmS0ixSubStateEnableMask = get_supported_lpm_mask(); + + /* Apply minimum assertion width settings if non-zero */ + if (config->pch_slp_s3_min_assertion_width) + s_cfg->PchPmSlpS3MinAssert = config->pch_slp_s3_min_assertion_width; + if (config->pch_slp_s4_min_assertion_width) + s_cfg->PchPmSlpS4MinAssert = config->pch_slp_s4_min_assertion_width; + if (config->pch_slp_sus_min_assertion_width) + s_cfg->PchPmSlpSusMinAssert = config->pch_slp_sus_min_assertion_width; + if (config->pch_slp_a_min_assertion_width) + s_cfg->PchPmSlpAMinAssert = config->pch_slp_a_min_assertion_width; + + /* Set Power Cycle Duration */ + if (config->pch_reset_power_cycle_duration) + s_cfg->PchPmPwrCycDur = get_pm_pwr_cyc_dur(config->pch_slp_s4_min_assertion_width, + config->pch_slp_s3_min_assertion_width, + config->pch_slp_a_min_assertion_width, + config->pch_reset_power_cycle_duration); + /* Un-Demotion from Demoted C1 need to be disable when * C1 auto demotion is disabled */ s_cfg->C1StateUnDemotion = !config->disable_c1_state_auto_demotion; |