src/soc/intel/cannonlake/fsp_params.c - coreboot - Gitiles

 /*
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2018 Intel Corporation.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2 of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */

 #include <chip.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
 #include <fsp/api.h>
 #include <fsp/util.h>
 #include <intelblocks/xdci.h>
 #include <soc/intel/common/vbt.h>
 #include <soc/pci_devs.h>
 #include <soc/ramstage.h>
 #include <string.h>

 static void parse_devicetree(FSP_S_CONFIG *params)
 {
 	struct device *dev = SA_DEV_ROOT;
 	if (!dev) {
 		printk(BIOS_ERR, "Could not find root device\n");
 		return;
 	}

 	const config_t *config = dev->chip_info;
 	const int SerialIoDev[] = {
 		PCH_DEVFN_I2C0,
 		PCH_DEVFN_I2C1,
 		PCH_DEVFN_I2C2,
 		PCH_DEVFN_I2C3,
 		PCH_DEVFN_I2C4,
 		PCH_DEVFN_I2C5,
 		PCH_DEVFN_GSPI0,
 		PCH_DEVFN_GSPI1,
 		PCH_DEVFN_GSPI2,
 		PCH_DEVFN_UART0,
 		PCH_DEVFN_UART1,
 		PCH_DEVFN_UART2
 	};

 	for (int i = 0; i < ARRAY_SIZE(SerialIoDev); i++) {
 		dev = dev_find_slot(0, SerialIoDev[i]);
 		if (!dev->enabled) {
 			params->SerialIoDevMode[i] = PchSerialIoDisabled;
 			continue;
 		}
 		params->SerialIoDevMode[i] = PchSerialIoPci;
 		if (config->SerialIoDevMode[i] == PchSerialIoAcpi ||
 		    config->SerialIoDevMode[i] == PchSerialIoHidden)
 			params->SerialIoDevMode[i] = config->SerialIoDevMode[i];
 	}
 }

 /* UPD parameters to be initialized before SiliconInit */
 void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 {
 	int i;
 	FSP_S_CONFIG *params = &supd->FspsConfig;
 	FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig;
 	struct device *dev = SA_DEV_ROOT;
 	config_t *config = dev->chip_info;

 	/* Parse device tree and enable/disable devices */
 	parse_devicetree(params);

 	/* Load VBT before devicetree-specific config. */
 	params->GraphicsConfigPtr = (uintptr_t)vbt_get();

 	/* Set USB OC pin to 0 first */
 	for (i = 0; i < ARRAY_SIZE(params->Usb2OverCurrentPin); i++) {
 		params->Usb2OverCurrentPin[i] = 0;
 	}

 	for (i = 0; i < ARRAY_SIZE(params->Usb3OverCurrentPin); i++) {
 		params->Usb3OverCurrentPin[i] = 0;
 	}

 	mainboard_silicon_init_params(params);

 	/* Set PsysPmax if it is available from DT */
 	if (config->psys_pmax) {
 		printk(BIOS_DEBUG, "psys_pmax = %dW\n", config->psys_pmax);
 		/* PsysPmax is in unit of 1/8 Watt */
 		tconfig->PsysPmax = config->psys_pmax * 8;
 	}

 	/* Unlock upper 8 bytes of RTC RAM */
 	params->PchLockDownRtcMemoryLock = 0;

 	/* SATA */
 	dev = dev_find_slot(0, PCH_DEVFN_SATA);
 	if (!dev)
 		params->SataEnable = 0;
 	else {
 		params->SataEnable = dev->enabled;
 		params->SataMode = config->SataMode;
 		params->SataSalpSupport = config->SataSalpSupport;
 		memcpy(params->SataPortsEnable, config->SataPortsEnable,
 			sizeof(params->SataPortsEnable));
 		memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp,
 			sizeof(params->SataPortsDevSlp));
 	}

 	/* Lan */
 	dev = dev_find_slot(0, PCH_DEVFN_GBE);
 	if (!dev)
 		params->PchLanEnable = 0;
 	else
 		params->PchLanEnable = dev->enabled;

 	/* Audio */
 	params->PchHdaDspEnable = config->PchHdaDspEnable;
 	params->PchHdaAudioLinkHda = config->PchHdaAudioLinkHda;
 	params->PchHdaAudioLinkDmic0 = config->PchHdaAudioLinkDmic0;
 	params->PchHdaAudioLinkDmic1 = config->PchHdaAudioLinkDmic1;
 	params->PchHdaAudioLinkSsp0 = config->PchHdaAudioLinkSsp0;
 	params->PchHdaAudioLinkSsp1 = config->PchHdaAudioLinkSsp1;
 	params->PchHdaAudioLinkSsp2 = config->PchHdaAudioLinkSsp2;
 	params->PchHdaAudioLinkSndw1 = config->PchHdaAudioLinkSndw1;
 	params->PchHdaAudioLinkSndw2 = config->PchHdaAudioLinkSndw2;
 	params->PchHdaAudioLinkSndw3 = config->PchHdaAudioLinkSndw3;
 	params->PchHdaAudioLinkSndw4 = config->PchHdaAudioLinkSndw4;

 	/* S0ix */
 	params->PchPmSlpS0Enable = config->s0ix_enable;

 	/* disable Legacy PME */
 	memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci));

 	/* USB */
 	for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
 		params->PortUsb20Enable[i] = config->usb2_ports[i].enable;
 		params->Usb2OverCurrentPin[i] = config->usb2_ports[i].ocpin;
 		params->Usb2AfePetxiset[i] = config->usb2_ports[i].pre_emp_bias;
 		params->Usb2AfeTxiset[i] = config->usb2_ports[i].tx_bias;
 		params->Usb2AfePredeemp[i] =
 			config->usb2_ports[i].tx_emp_enable;
 		params->Usb2AfePehalfbit[i] = config->usb2_ports[i].pre_emp_bit;
 	}

 	for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) {
 		params->PortUsb30Enable[i] = config->usb3_ports[i].enable;
 		params->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin;
 		if (config->usb3_ports[i].tx_de_emp) {
 			params->Usb3HsioTxDeEmphEnable[i] = 1;
 			params->Usb3HsioTxDeEmph[i] =
 				config->usb3_ports[i].tx_de_emp;
 		}
 		if (config->usb3_ports[i].tx_downscale_amp) {
 			params->Usb3HsioTxDownscaleAmpEnable[i] = 1;
 			params->Usb3HsioTxDownscaleAmp[i] =
 				config->usb3_ports[i].tx_downscale_amp;
 		}
 	}

 	/* Enable xDCI controller if enabled in devicetree and allowed */
 	dev = dev_find_slot(0, PCH_DEVFN_USBOTG);
 	if (!xdci_can_enable())
 		dev->enabled = 0;
 	params->XdciEnable = dev->enabled;

 	/* Set Debug serial port */
 	params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE;

 	/* Enable CNVi Wifi if enabled in device tree */
 	dev = dev_find_slot(0, PCH_DEVFN_CNViWIFI);
 	params->PchCnviMode = dev->enabled;

 	/* PCI Express */
 	for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) {
 		if (config->PcieClkSrcUsage[i] == 0)
 			config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED;
 	}
 	memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage,
 	       sizeof(config->PcieClkSrcUsage));
 	memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq,
 	       sizeof(config->PcieClkSrcClkReq));
 	memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable,
 	       sizeof(config->PcieRpLtrEnable));
 	memcpy(params->PcieRpHotPlug, config->PcieRpHotPlug,
 	       sizeof(config->PcieRpHotPlug));

 	/* eMMC and SD */
 	dev = dev_find_slot(0, PCH_DEVFN_EMMC);
 	if (!dev)
 		params->ScsEmmcEnabled = 0;
 	else {
 		params->ScsEmmcEnabled = dev->enabled;
 		params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
 		params->PchScsEmmcHs400DllDataValid = config->EmmcHs400DllNeed;
 		if (config->EmmcHs400DllNeed == 1) {
 			params->PchScsEmmcHs400RxStrobeDll1 =
 				config->EmmcHs400RxStrobeDll1;
 			params->PchScsEmmcHs400TxDataDll =
 				config->EmmcHs400TxDataDll;
 		}
 	}

 	dev = dev_find_slot(0, PCH_DEVFN_SDCARD);
 	if (!dev) {
 		params->ScsSdCardEnabled = 0;
 	} else {
 		params->ScsSdCardEnabled = dev->enabled;
 		params->SdCardPowerEnableActiveHigh =
 			IS_ENABLED(CONFIG_MB_HAS_ACTIVE_HIGH_SD_PWR_ENABLE);
 	}

 	dev = dev_find_slot(0, PCH_DEVFN_UFS);
 	if (!dev)
 		params->ScsUfsEnabled = 0;
 	else
 		params->ScsUfsEnabled = dev->enabled;

 	params->Heci3Enabled = config->Heci3Enabled;
 	params->Device4Enable = config->Device4Enable;

 	/* VrConfig Settings for 5 domains
 	 * 0 = System Agent, 1 = IA Core, 2 = Ring,
 	 * 3 = GT unsliced,  4 = GT sliced */
 	for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
 		fill_vr_domain_config(params, i, &config->domain_vr_config[i]);

 	/* Acoustic Noise Mitigation */
 	params->AcousticNoiseMitigation = config->AcousticNoiseMitigation;
 	params->SlowSlewRateForIa = config->SlowSlewRateForIa;
 	params->SlowSlewRateForGt = config->SlowSlewRateForGt;
 	params->SlowSlewRateForSa = config->SlowSlewRateForSa;
 	params->SlowSlewRateForFivr = config->SlowSlewRateForFivr;
 	params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa;
 	params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt;
 	params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa;
 	params->FastPkgCRampDisableFivr = config->FastPkgCRampDisableFivr;

 	/* Power Optimizer */
 	params->PchPwrOptEnable = config->dmipwroptimize;
 	params->SataPwrOptEnable = config->satapwroptimize;

 	/* Apply minimum assertion width settings if non-zero */
 	if (config->PchPmSlpS3MinAssert)
 		params->PchPmSlpS3MinAssert = config->PchPmSlpS3MinAssert;
 	if (config->PchPmSlpS4MinAssert)
 		params->PchPmSlpS4MinAssert = config->PchPmSlpS4MinAssert;
 	if (config->PchPmSlpSusMinAssert)
 		params->PchPmSlpSusMinAssert = config->PchPmSlpSusMinAssert;
 	if (config->PchPmSlpAMinAssert)
 		params->PchPmSlpAMinAssert = config->PchPmSlpAMinAssert;

 	/* Set TccActivationOffset */
 	tconfig->TccActivationOffset = config->tcc_offset;
 }

 /* Mainboard GPIO Configuration */
 __weak void mainboard_silicon_init_params(FSP_S_CONFIG *params)
 {
 	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
 }
	/*
	* This file is part of the coreboot project.
	*
	* Copyright (C) 2018 Intel Corporation.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; version 2 of the License.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*/

	#include <chip.h>
	#include <console/console.h>
	#include <device/device.h>
	#include <device/pci.h>
	#include <fsp/api.h>
	#include <fsp/util.h>
	#include <intelblocks/xdci.h>
	#include <soc/intel/common/vbt.h>
	#include <soc/pci_devs.h>
	#include <soc/ramstage.h>
	#include <string.h>

	static void parse_devicetree(FSP_S_CONFIG *params)
	{
	struct device *dev = SA_DEV_ROOT;
	if (!dev) {
	printk(BIOS_ERR, "Could not find root device\n");
	return;
	}

	const config_t *config = dev->chip_info;
	const int SerialIoDev[] = {
	PCH_DEVFN_I2C0,
	PCH_DEVFN_I2C1,
	PCH_DEVFN_I2C2,
	PCH_DEVFN_I2C3,
	PCH_DEVFN_I2C4,
	PCH_DEVFN_I2C5,
	PCH_DEVFN_GSPI0,
	PCH_DEVFN_GSPI1,
	PCH_DEVFN_GSPI2,
	PCH_DEVFN_UART0,
	PCH_DEVFN_UART1,
	PCH_DEVFN_UART2
	};

	for (int i = 0; i < ARRAY_SIZE(SerialIoDev); i++) {
	dev = dev_find_slot(0, SerialIoDev[i]);
	if (!dev->enabled) {
	params->SerialIoDevMode[i] = PchSerialIoDisabled;
	continue;
	}
	params->SerialIoDevMode[i] = PchSerialIoPci;
	if (config->SerialIoDevMode[i] == PchSerialIoAcpi \|\|
	config->SerialIoDevMode[i] == PchSerialIoHidden)
	params->SerialIoDevMode[i] = config->SerialIoDevMode[i];
	}
	}

	/* UPD parameters to be initialized before SiliconInit */
	void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
	{
	int i;
	FSP_S_CONFIG *params = &supd->FspsConfig;
	FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig;
	struct device *dev = SA_DEV_ROOT;
	config_t *config = dev->chip_info;

	/* Parse device tree and enable/disable devices */
	parse_devicetree(params);

	/* Load VBT before devicetree-specific config. */
	params->GraphicsConfigPtr = (uintptr_t)vbt_get();

	/* Set USB OC pin to 0 first */
	for (i = 0; i < ARRAY_SIZE(params->Usb2OverCurrentPin); i++) {
	params->Usb2OverCurrentPin[i] = 0;
	}

	for (i = 0; i < ARRAY_SIZE(params->Usb3OverCurrentPin); i++) {
	params->Usb3OverCurrentPin[i] = 0;
	}

	mainboard_silicon_init_params(params);

	/* Set PsysPmax if it is available from DT */
	if (config->psys_pmax) {
	printk(BIOS_DEBUG, "psys_pmax = %dW\n", config->psys_pmax);
	/* PsysPmax is in unit of 1/8 Watt */
	tconfig->PsysPmax = config->psys_pmax * 8;
	}

	/* Unlock upper 8 bytes of RTC RAM */
	params->PchLockDownRtcMemoryLock = 0;

	/* SATA */
	dev = dev_find_slot(0, PCH_DEVFN_SATA);
	if (!dev)
	params->SataEnable = 0;
	else {
	params->SataEnable = dev->enabled;
	params->SataMode = config->SataMode;
	params->SataSalpSupport = config->SataSalpSupport;
	memcpy(params->SataPortsEnable, config->SataPortsEnable,
	sizeof(params->SataPortsEnable));
	memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp,
	sizeof(params->SataPortsDevSlp));
	}

	/* Lan */
	dev = dev_find_slot(0, PCH_DEVFN_GBE);
	if (!dev)
	params->PchLanEnable = 0;
	else
	params->PchLanEnable = dev->enabled;

	/* Audio */
	params->PchHdaDspEnable = config->PchHdaDspEnable;
	params->PchHdaAudioLinkHda = config->PchHdaAudioLinkHda;
	params->PchHdaAudioLinkDmic0 = config->PchHdaAudioLinkDmic0;
	params->PchHdaAudioLinkDmic1 = config->PchHdaAudioLinkDmic1;
	params->PchHdaAudioLinkSsp0 = config->PchHdaAudioLinkSsp0;
	params->PchHdaAudioLinkSsp1 = config->PchHdaAudioLinkSsp1;
	params->PchHdaAudioLinkSsp2 = config->PchHdaAudioLinkSsp2;
	params->PchHdaAudioLinkSndw1 = config->PchHdaAudioLinkSndw1;
	params->PchHdaAudioLinkSndw2 = config->PchHdaAudioLinkSndw2;
	params->PchHdaAudioLinkSndw3 = config->PchHdaAudioLinkSndw3;
	params->PchHdaAudioLinkSndw4 = config->PchHdaAudioLinkSndw4;

	/* S0ix */
	params->PchPmSlpS0Enable = config->s0ix_enable;

	/* disable Legacy PME */
	memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci));

	/* USB */
	for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
	params->PortUsb20Enable[i] = config->usb2_ports[i].enable;
	params->Usb2OverCurrentPin[i] = config->usb2_ports[i].ocpin;
	params->Usb2AfePetxiset[i] = config->usb2_ports[i].pre_emp_bias;
	params->Usb2AfeTxiset[i] = config->usb2_ports[i].tx_bias;
	params->Usb2AfePredeemp[i] =
	config->usb2_ports[i].tx_emp_enable;
	params->Usb2AfePehalfbit[i] = config->usb2_ports[i].pre_emp_bit;
	}

	for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) {
	params->PortUsb30Enable[i] = config->usb3_ports[i].enable;
	params->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin;
	if (config->usb3_ports[i].tx_de_emp) {
	params->Usb3HsioTxDeEmphEnable[i] = 1;
	params->Usb3HsioTxDeEmph[i] =
	config->usb3_ports[i].tx_de_emp;
	}
	if (config->usb3_ports[i].tx_downscale_amp) {
	params->Usb3HsioTxDownscaleAmpEnable[i] = 1;
	params->Usb3HsioTxDownscaleAmp[i] =
	config->usb3_ports[i].tx_downscale_amp;
	}
	}

	/* Enable xDCI controller if enabled in devicetree and allowed */
	dev = dev_find_slot(0, PCH_DEVFN_USBOTG);
	if (!xdci_can_enable())
	dev->enabled = 0;
	params->XdciEnable = dev->enabled;

	/* Set Debug serial port */
	params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE;

	/* Enable CNVi Wifi if enabled in device tree */
	dev = dev_find_slot(0, PCH_DEVFN_CNViWIFI);
	params->PchCnviMode = dev->enabled;

	/* PCI Express */
	for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) {
	if (config->PcieClkSrcUsage[i] == 0)
	config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED;
	}
	memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage,
	sizeof(config->PcieClkSrcUsage));
	memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq,
	sizeof(config->PcieClkSrcClkReq));
	memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable,
	sizeof(config->PcieRpLtrEnable));
	memcpy(params->PcieRpHotPlug, config->PcieRpHotPlug,
	sizeof(config->PcieRpHotPlug));

	/* eMMC and SD */
	dev = dev_find_slot(0, PCH_DEVFN_EMMC);
	if (!dev)
	params->ScsEmmcEnabled = 0;
	else {
	params->ScsEmmcEnabled = dev->enabled;
	params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
	params->PchScsEmmcHs400DllDataValid = config->EmmcHs400DllNeed;
	if (config->EmmcHs400DllNeed == 1) {
	params->PchScsEmmcHs400RxStrobeDll1 =
	config->EmmcHs400RxStrobeDll1;
	params->PchScsEmmcHs400TxDataDll =
	config->EmmcHs400TxDataDll;
	}
	}

	dev = dev_find_slot(0, PCH_DEVFN_SDCARD);
	if (!dev) {
	params->ScsSdCardEnabled = 0;
	} else {
	params->ScsSdCardEnabled = dev->enabled;
	params->SdCardPowerEnableActiveHigh =
	IS_ENABLED(CONFIG_MB_HAS_ACTIVE_HIGH_SD_PWR_ENABLE);
	}

	dev = dev_find_slot(0, PCH_DEVFN_UFS);
	if (!dev)
	params->ScsUfsEnabled = 0;
	else
	params->ScsUfsEnabled = dev->enabled;

	params->Heci3Enabled = config->Heci3Enabled;
	params->Device4Enable = config->Device4Enable;

	/* VrConfig Settings for 5 domains
	* 0 = System Agent, 1 = IA Core, 2 = Ring,
	* 3 = GT unsliced, 4 = GT sliced */
	for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
	fill_vr_domain_config(params, i, &config->domain_vr_config[i]);

	/* Acoustic Noise Mitigation */
	params->AcousticNoiseMitigation = config->AcousticNoiseMitigation;
	params->SlowSlewRateForIa = config->SlowSlewRateForIa;
	params->SlowSlewRateForGt = config->SlowSlewRateForGt;
	params->SlowSlewRateForSa = config->SlowSlewRateForSa;
	params->SlowSlewRateForFivr = config->SlowSlewRateForFivr;
	params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa;
	params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt;
	params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa;
	params->FastPkgCRampDisableFivr = config->FastPkgCRampDisableFivr;

	/* Power Optimizer */
	params->PchPwrOptEnable = config->dmipwroptimize;
	params->SataPwrOptEnable = config->satapwroptimize;

	/* Apply minimum assertion width settings if non-zero */
	if (config->PchPmSlpS3MinAssert)
	params->PchPmSlpS3MinAssert = config->PchPmSlpS3MinAssert;
	if (config->PchPmSlpS4MinAssert)
	params->PchPmSlpS4MinAssert = config->PchPmSlpS4MinAssert;
	if (config->PchPmSlpSusMinAssert)
	params->PchPmSlpSusMinAssert = config->PchPmSlpSusMinAssert;
	if (config->PchPmSlpAMinAssert)
	params->PchPmSlpAMinAssert = config->PchPmSlpAMinAssert;

	/* Set TccActivationOffset */
	tconfig->TccActivationOffset = config->tcc_offset;
	}

	/* Mainboard GPIO Configuration */
	__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params)
	{
	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
	}