323 lines
12 KiB
C
323 lines
12 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <assert.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <fsp/api.h>
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#include <fsp/ppi/mp_service_ppi.h>
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#include <fsp/util.h>
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#include <intelblocks/lpss.h>
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#include <intelblocks/mp_init.h>
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#include <intelblocks/xdci.h>
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#include <intelpch/lockdown.h>
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#include <soc/intel/common/vbt.h>
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#include <soc/pci_devs.h>
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#include <soc/ramstage.h>
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#include <soc/soc_chip.h>
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#include <string.h>
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/* SATA DEVSLP idle timeout default values */
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#define DEF_DMVAL 15
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#define DEF_DITOVAL_MS 625
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/* Native function controls pads termination */
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#define GPIO_TERM_NATIVE 0x1F
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/* PM related values */
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/* Imon offset is defined in 1/1000 increments */
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#define IMON_OFFSET 1
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/* Policy Imon slope is defined in 1/100 increments */
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#define IMON_SLOPE 100
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/* Thermal Design Current current limit in 1/8A units */
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#define TDC_CURRENT_LIMIT_MAX 112
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/* AcLoadline in 1/100 mOhms */
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#define AC_LOADLINE_LANE_0_MAX 112
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#define AC_LOADLINE_LANE_1_MAX 3
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/* DcLoadline in 1/100 mOhms */
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#define DC_LOADLINE_LANE_0_MAX 92
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#define DC_LOADLINE_LANE_1_MAX 3
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/* VR Icc Max limit. 0-255A in 1/4 A units */
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#define ICC_LIMIT_MAX 104
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/* Core Ratio Limit: For overclocking part: LFM to Fused */
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#define CORE_RATIO_LIMIT 0x13
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/*
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* Chip config parameter PcieRpL1Substates uses (UPD value + 1)
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* because UPD value of 0 for PcieRpL1Substates means disabled for FSP.
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* In order to ensure that mainboard setting does not disable L1 substates
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* incorrectly, chip config parameter values are offset by 1 with 0 meaning
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* use FSP UPD default. get_l1_substate_control() ensures that the right UPD
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* value is set in fsp_params.
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* 0: Use FSP UPD default
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* 1: Disable L1 substates
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* 2: Use L1.1
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* 3: Use L1.2 (FSP UPD default)
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*/
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static int get_l1_substate_control(enum L1_substates_control ctl)
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{
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if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT))
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ctl = L1_SS_L1_2;
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return ctl - 1;
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}
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static void parse_devicetree(FSP_S_CONFIG *params)
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{
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const struct soc_intel_elkhartlake_config *config = config_of_soc();
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/* LPSS controllers configuration */
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/* I2C */
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FSP_ARRAY_LOAD(params->SerialIoI2cMode, config->SerialIoI2cMode);
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FSP_ARRAY_LOAD(params->PchSerialIoI2cPadsTermination,
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config->SerialIoI2cPadsTermination);
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params->PchSerialIoI2cSclPinMux[4] = 0x1B44AC09; //GPIO native mode for GPP_H9
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params->PchSerialIoI2cSdaPinMux[4] = 0x1B44CC08; //GPIO native mode for GPP_H8
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/* GSPI */
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FSP_ARRAY_LOAD(params->SerialIoSpiMode, config->SerialIoGSpiMode);
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FSP_ARRAY_LOAD(params->SerialIoSpiCsEnable, config->SerialIoGSpiCsEnable);
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FSP_ARRAY_LOAD(params->SerialIoSpiCsMode, config->SerialIoGSpiCsMode);
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FSP_ARRAY_LOAD(params->SerialIoSpiCsState, config->SerialIoGSpiCsState);
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params->SerialIoSpiCsPolarity[2] = 0;
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/* UART */
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FSP_ARRAY_LOAD(params->SerialIoUartMode, config->SerialIoUartMode);
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FSP_ARRAY_LOAD(params->SerialIoUartDmaEnable, config->SerialIoUartDmaEnable);
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params->SerialIoUartCtsPinMuxPolicy[0] = 0x2B01320F; //GPIO native mode for GPP_T15
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params->SerialIoUartRtsPinMuxPolicy[0] = 0x2B01220E; //GPIO native mode for GPP_T14
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params->SerialIoUartRxPinMuxPolicy[0] = 0x2B01020C; //GPIO native mode for GPP_T12
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params->SerialIoUartTxPinMuxPolicy[0] = 0x2B01120D; //GPIO native mode for GPP_T13
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/* Provide correct UART number for FSP debug logs */
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params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE;
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}
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/* UPD parameters to be initialized before SiliconInit */
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void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
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{
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unsigned int i;
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FSP_S_CONFIG *params = &supd->FspsConfig;
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struct soc_intel_elkhartlake_config *config = config_of_soc();
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/* Parse device tree and fill in FSP UPDs */
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parse_devicetree(params);
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/* Load VBT before devicetree-specific config. */
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params->GraphicsConfigPtr = (uintptr_t)vbt_get();
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/* Check if IGD is present and fill Graphics init param accordingly */
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params->PeiGraphicsPeimInit = CONFIG(RUN_FSP_GOP) && is_devfn_enabled(SA_DEVFN_IGD);
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/* Display config */
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params->DdiPortAHpd = config->DdiPortAHpd;
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params->DdiPortADdc = config->DdiPortADdc;
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params->DdiPortCHpd = config->DdiPortCHpd;
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params->DdiPortCDdc = config->DdiPortCDdc;
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/* Use coreboot MP PPI services if Kconfig is enabled */
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if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI))
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params->CpuMpPpi = (uintptr_t) mp_fill_ppi_services_data();
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/* Chipset Lockdown */
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if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) {
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params->PchLockDownGlobalSmi = 0;
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params->PchLockDownBiosLock = 0;
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params->PchLockDownBiosInterface = 0;
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params->PchWriteProtectionEnable[0] = 0;
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params->PchUnlockGpioPads = 1;
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params->RtcMemoryLock = 0;
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} else {
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params->PchLockDownGlobalSmi = 1;
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params->PchLockDownBiosLock = 1;
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params->PchLockDownBiosInterface = 1;
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params->PchWriteProtectionEnable[0] = 1;
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params->PchUnlockGpioPads = 0;
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params->RtcMemoryLock = 1;
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}
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/* Disable PAVP */
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params->PavpEnable = 0;
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/* Legacy 8254 timer support */
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params->Enable8254ClockGating = !CONFIG(USE_LEGACY_8254_TIMER);
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params->Enable8254ClockGatingOnS3 = 1;
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/* PCH Master Gating Control */
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params->PchPostMasterClockGating = 1;
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params->PchPostMasterPowerGating = 1;
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/* HECI */
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params->Heci3Enabled = config->Heci3Enable;
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/* USB configuration */
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for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
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params->PortUsb20Enable[i] = config->usb2_ports[i].enable;
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params->Usb2PhyPetxiset[i] = config->usb2_ports[i].pre_emp_bias;
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params->Usb2PhyTxiset[i] = config->usb2_ports[i].tx_bias;
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params->Usb2PhyPredeemp[i] = config->usb2_ports[i].tx_emp_enable;
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params->Usb2PhyPehalfbit[i] = config->usb2_ports[i].pre_emp_bit;
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params->Usb2OverCurrentPin[i] = config->usb2_ports[i].enable ?
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config->usb2_ports[i].ocpin : 0xff;
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}
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for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) {
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params->PortUsb30Enable[i] = config->usb3_ports[i].enable;
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params->Usb3OverCurrentPin[i] = config->usb3_ports[i].enable ?
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config->usb3_ports[i].ocpin : 0xff;
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if (config->usb3_ports[i].tx_de_emp) {
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params->Usb3HsioTxDeEmphEnable[i] = 1;
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params->Usb3HsioTxDeEmph[i] = config->usb3_ports[i].tx_de_emp;
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}
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if (config->usb3_ports[i].tx_downscale_amp) {
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params->Usb3HsioTxDownscaleAmpEnable[i] = 1;
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params->Usb3HsioTxDownscaleAmp[i] =
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config->usb3_ports[i].tx_downscale_amp;
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}
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}
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params->UsbClockGatingEnable = 1;
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params->UsbPowerGatingEnable = 1;
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/* Enable xDCI controller if enabled in devicetree and allowed */
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if (!xdci_can_enable())
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devfn_disable(pci_root_bus(), PCH_DEVFN_USBOTG);
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params->XdciEnable = is_devfn_enabled(PCH_DEVFN_USBOTG);
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/* PCIe root ports config */
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for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) {
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params->PcieRpClkReqDetect[i] =
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!config->PcieRpClkReqDetectDisable[i];
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params->PcieRpL1Substates[i] =
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get_l1_substate_control(config->PcieRpL1Substates[i]);
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params->PcieRpLtrEnable[i] = !config->PcieRpLtrDisable[i];
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params->PcieRpAdvancedErrorReporting[i] =
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!config->PcieRpAdvancedErrorReportingDisable[i];
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params->PcieRpHotPlug[i] = config->PcieRpHotPlug[i];
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params->PciePtm[i] = config->PciePtm[i];
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params->PcieRpLtrMaxNoSnoopLatency[i] = 0x1003;
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params->PcieRpLtrMaxSnoopLatency[i] = 0x1003;
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/* Virtual Channel 1 to Traffic Class mapping */
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params->PcieRpVc1TcMap[i] = 0x60;
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}
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/* SATA config */
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params->SataEnable = is_devfn_enabled(PCH_DEVFN_SATA);
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if (params->SataEnable) {
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params->SataMode = config->SataMode;
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params->SataSalpSupport = config->SataSalpSupport;
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params->SataPwrOptEnable = !(config->SataPwrOptimizeDisable);
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for (i = 0; i < CONFIG_MAX_SATA_PORTS; i++) {
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params->SataPortsEnable[i] = config->SataPortsEnable[i];
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params->SataPortsDevSlp[i] = config->SataPortsDevSlp[i];
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if (config->SataPortsEnableDitoConfig[i]) {
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params->SataPortsDmVal[i] =
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config->SataPortsDmVal[i] ? : DEF_DMVAL;
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params->SataPortsDitoVal[i] =
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config->SataPortsDitoVal[i] ? : DEF_DITOVAL_MS;
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}
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}
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}
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/* SDCard config */
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params->ScsSdCardEnabled = is_devfn_enabled(PCH_DEVFN_SDCARD);
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if (params->ScsSdCardEnabled) {
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params->SdCardPowerEnableActiveHigh = config->SdCardPowerEnableActiveHigh;
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params->SdCardGpioCmdPadTermination = GPIO_TERM_NATIVE;
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params->SdCardGpioDataPadTermination[0] = GPIO_TERM_NATIVE;
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params->SdCardGpioDataPadTermination[1] = GPIO_TERM_NATIVE;
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params->SdCardGpioDataPadTermination[2] = GPIO_TERM_NATIVE;
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params->SdCardGpioDataPadTermination[3] = GPIO_TERM_NATIVE;
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}
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/* eMMC config */
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params->ScsEmmcEnabled = is_devfn_enabled(PCH_DEVFN_EMMC);
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if (params->ScsEmmcEnabled) {
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params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
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params->ScsEmmcDdr50Enabled = config->ScsEmmcDdr50Enabled;
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}
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/* Thermal config */
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params->Device4Enable = is_devfn_enabled(SA_DEVFN_DPTF);
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params->ProcHotResponse = 0x0; //Disable PROCHOT response
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/* Thermal sensor (TS) target width */
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params->DmiTS0TW = 3;
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params->DmiTS1TW = 2;
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params->DmiTS2TW = 1;
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/* Enable memory thermal throttling by default */
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if (!config->MemoryThermalThrottlingDisable) {
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params->PchMemoryPmsyncEnable[0] = 1;
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params->PchMemoryPmsyncEnable[1] = 1;
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params->PchMemoryC0TransmitEnable[0] = 1;
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params->PchMemoryC0TransmitEnable[1] = 1;
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}
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/* TccActivationOffset config */
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params->TccActivationOffset = config->tcc_offset;
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params->TccOffsetClamp = config->tcc_offset_clamp;
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params->TccOffsetLock = 0x1; //lock Tcc Offset register
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/* Power management config */
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params->ImonSlope[0] = IMON_SLOPE;
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params->ImonOffset[0] = IMON_OFFSET;
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params->TdcCurrentLimit[0] = TDC_CURRENT_LIMIT_MAX;
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params->AcLoadline[0] = AC_LOADLINE_LANE_0_MAX;
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params->DcLoadline[0] = DC_LOADLINE_LANE_0_MAX;
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params->AcLoadline[1] = AC_LOADLINE_LANE_1_MAX;
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params->DcLoadline[1] = DC_LOADLINE_LANE_1_MAX;
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params->IccMax[0] = ICC_LIMIT_MAX;
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params->OneCoreRatioLimit = CORE_RATIO_LIMIT;
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params->TwoCoreRatioLimit = CORE_RATIO_LIMIT;
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params->ThreeCoreRatioLimit = CORE_RATIO_LIMIT;
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params->FourCoreRatioLimit = CORE_RATIO_LIMIT;
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params->FiveCoreRatioLimit = CORE_RATIO_LIMIT;
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params->SixCoreRatioLimit = CORE_RATIO_LIMIT;
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params->SevenCoreRatioLimit = CORE_RATIO_LIMIT;
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params->EightCoreRatioLimit = CORE_RATIO_LIMIT;
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params->PsysPmax = 0; //Set max platform power to auto profile
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params->Custom1TurboActivationRatio = 0;
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params->Custom2TurboActivationRatio = 0;
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params->Custom3TurboActivationRatio = 0;
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params->PchPwrOptEnable = 0x1; //Enable PCH DMI Power Optimizer
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params->TStates = 0x0; //Disable T state
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params->PkgCStateLimit = 0x7; //Set C state limit to C9
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params->FastPkgCRampDisable[0] = 0x1;
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params->SlowSlewRate[0] = 0x1;
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params->MaxRatio = 0x8; //Set max P state ratio
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params->PchEspiLgmrEnable = 0;
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params->PchPmPwrBtnOverridePeriod = config->PchPmPwrBtnOverridePeriod;
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params->PchS0ixAutoDemotion = 0;
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params->PmcV1p05PhyExtFetControlEn = 0x1;
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params->PmcV1p05IsExtFetControlEn = 0x1;
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/* FIVR config */
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params->PchFivrExtV1p05RailEnabledStates = 0x1E;
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params->PchFivrExtV1p05RailSupportedVoltageStates = 0x2;
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params->PchFivrExtVnnRailEnabledStates = 0x1E;
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params->PchFivrExtVnnRailSupportedVoltageStates = 0xE;
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params->PchFivrExtVnnRailSxEnabledStates = 0x1C;
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params->PchFivrVccinAuxLowToHighCurModeVolTranTime = 0x0C;
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params->PchFivrVccinAuxRetToHighCurModeVolTranTime = 0x36;
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params->PchFivrVccinAuxRetToLowCurModeVolTranTime = 0x2B;
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params->PchFivrVccinAuxOffToHighCurModeVolTranTime = 0x0096;
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params->FivrSpreadSpectrum = 0xF;
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/* FuSa (Functional Safety) config */
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if (!config->FuSaEnable) {
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params->DisplayFusaConfigEnable = 0;
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params->GraphicFusaConfigEnable = 0;
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params->OpioFusaConfigEnable = 0;
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params->PsfFusaConfigEnable = 0;
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}
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/* Override/Fill FSP Silicon Param for mainboard */
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mainboard_silicon_init_params(params);
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}
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/* Mainboard GPIO Configuration */
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__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params)
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{
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printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
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}
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