diff options
| author | Christian Walter <christian.walter@9elements.com> | 2020-05-23 15:54:43 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2020-06-02 09:39:19 +0000 |
| commit | 061cd78a1aba4a31ee61dc6f6bafc3a35537cf3e (patch) | |
| tree | a14c029aef936dd3028f21b911e56fc6d3102957 /src | |
| parent | 1f572b9276ae3d20b37dbdb52e466ecfe5bbe06b (diff) | |
soc/intel/cannonlake: Add RP configuration settings
Add RP configuration settings like Advanced Error Reporting(AER),
Latency Tolerence Reporting (LTR), Max Payload and Active State Power
Management (ASPM).
Tested on CFL platform
Change-Id: Ifaf0cc86ea412ce246723613f99908946d89ccb0
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41679
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/cannonlake/chip.h | 23 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/fsp_params.c | 14 |
2 files changed, 36 insertions, 1 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h index a30f732ce3..4b48a2184a 100644 --- a/src/soc/intel/cannonlake/chip.h +++ b/src/soc/intel/cannonlake/chip.h @@ -181,6 +181,29 @@ struct soc_intel_cannonlake_config { /* Enable/Disable HotPlug support for Root Port */ uint8_t PcieRpHotPlug[CONFIG_MAX_ROOT_PORTS]; + /* + * Enable/Disable AER (Advanced Error Reporting) for Root Port + * 0: Disable AER + * 1: Enable AER + */ + uint8_t PcieRpAdvancedErrorReporting[CONFIG_MAX_ROOT_PORTS]; + + /* PCIE RP ASPM, ASPM support for the root port */ + enum { + AspmDefault, + AspmDisabled, + AspmL0s, + AspmL1, + AspmL0sL1, + AspmAutoConfig, + } PcieRpAspm[CONFIG_MAX_ROOT_PORTS]; + + /* PCIE RP Max Payload, Max Payload Size supported */ + enum { + RpMaxPayload_128, + RpMaxPayload_256, + } PcieRpMaxPayload[CONFIG_MAX_ROOT_PORTS]; + /* eMMC and SD */ uint8_t ScsEmmcHs400Enabled; /* Need to update DLL setting to get Emmc running at HS400 speed */ diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c index 8788838c3f..a3b5588b77 100644 --- a/src/soc/intel/cannonlake/fsp_params.c +++ b/src/soc/intel/cannonlake/fsp_params.c @@ -319,10 +319,22 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) sizeof(config->PcieClkSrcUsage)); memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq, sizeof(config->PcieClkSrcClkReq)); + + memcpy(params->PcieRpAdvancedErrorReporting, + config->PcieRpAdvancedErrorReporting, + sizeof(params->PcieRpAdvancedErrorReporting)); + memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable, sizeof(config->PcieRpLtrEnable)); memcpy(params->PcieRpHotPlug, config->PcieRpHotPlug, - sizeof(config->PcieRpHotPlug)); + sizeof(params->PcieRpHotPlug)); + + for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { + params->PcieRpMaxPayload[i] = config->PcieRpMaxPayload[i]; + if (config->PcieRpAspm[i]) + params->PcieRpAspm[i] = config->PcieRpAspm[i] - 1; + }; + /* eMMC and SD */ dev = pcidev_path_on_root(PCH_DEVFN_EMMC); |