diff options
| author | Chia-Ling Hou <chia-ling.hou@intel.com> | 2023-05-15 17:31:57 +0800 |
|---|---|---|
| committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2023-05-19 10:16:36 +0000 |
| commit | 141d0dfafb211185f97460cf5d5e5f3e81f06c3d (patch) | |
| tree | ca1a9a85e235cc581d5871d91cb92b20bb6cfd56 /src/soc | |
| parent | ede5564b3e3ee082c93f915a902d98d064a11950 (diff) | |
soc/intel/jasperlake: Add PsysPmax config
Enable PSYS capability. PSYS is required to safeguard the system
stability if no charger IC.
BUG=b:281479111
TEST=emerge-dedede coreboot chromeos-bootimage & ensure the value is
passed to FSP by enabling FSP log & Boot into the OS
Change-Id: Ibe54acaf80700252558b82f194b9536b6117b84e
Signed-off-by: Chia-Ling Hou <chia-ling.hou@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75196
Reviewed-by: Reka Norman <rekanorman@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/jasperlake/chip.h | 3 | ||||
| -rw-r--r-- | src/soc/intel/jasperlake/fsp_params.c | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/chip.h b/src/soc/intel/jasperlake/chip.h index 3e47e00a63..e6b8f6805e 100644 --- a/src/soc/intel/jasperlake/chip.h +++ b/src/soc/intel/jasperlake/chip.h @@ -419,6 +419,9 @@ struct soc_intel_jasperlake_config { CD_CLOCK_556_8_MHZ = 7, } cd_clock; + /* Platform Power Pmax */ + uint16_t PsysPmax; + /* * This is a workaround to mitigate higher SoC power consumption in S0ix * when the CNVI has background activity. diff --git a/src/soc/intel/jasperlake/fsp_params.c b/src/soc/intel/jasperlake/fsp_params.c index 09be260111..1e6731d91c 100644 --- a/src/soc/intel/jasperlake/fsp_params.c +++ b/src/soc/intel/jasperlake/fsp_params.c @@ -188,6 +188,13 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) config->PchPmSlpS3MinAssert, config->PchPmSlpAMinAssert, config->PchPmPwrCycDur); + /* Set PsysPmax */ + if (config->PsysPmax) { + printk(BIOS_DEBUG, "PsysPmax = %dW\n", config->PsysPmax); + /* PsysPmax is in unit of 1/8 Watt */ + params->PsysPmax = config->PsysPmax * 8; + } + /* * Fill Acoustic noise mitigation related configuration * JSL only has single VR domain (VCCIN VR), thus filling only index 0 for |