src/soc/intel/braswell/chip.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <fsp/util.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>

#include "chip.h"

static struct device_operations pci_domain_ops = {
	.read_resources   = pci_domain_read_resources,
	.set_resources    = pci_domain_set_resources,
	.scan_bus         = pci_domain_scan_bus,
};

static struct device_operations cpu_bus_ops = {
	.read_resources   = noop_read_resources,
	.set_resources    = noop_set_resources,
	.init             = mp_cpu_bus_init,
};

static void enable_dev(struct device *dev)
{
	/* Set the operations if it is a special bus type */
	if (dev->path.type == DEVICE_PATH_DOMAIN) {
		dev->ops = &pci_domain_ops;

	} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
		dev->ops = &cpu_bus_ops;

	} else if (dev->path.type == DEVICE_PATH_PCI) {
		/* Handle south cluster enablement. */
		if (PCI_SLOT(dev->path.pci.devfn) > GFX_DEV &&
		    (dev->ops == NULL || dev->ops->enable == NULL)) {
			southcluster_enable_dev(dev);
		}
	}
}

__weak void board_silicon_USB2_override(SILICON_INIT_UPD *params)
{
}

void soc_silicon_init_params(SILICON_INIT_UPD *params)
{
	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
	struct soc_intel_braswell_config *config;

	if (!dev) {
		printk(BIOS_ERR, "Error! Device (%s) not found, %s!\n",
			dev_path(dev), __func__);
		return;
	}

	config = config_of(dev);

	/* Set the parameters for SiliconInit */
	printk(BIOS_DEBUG, "Updating UPD values for SiliconInit\n");
	params->PcdSdcardMode			= config->PcdSdcardMode;
	params->PcdEnableHsuart0		= config->PcdEnableHsuart0;
	params->PcdEnableHsuart1		= config->PcdEnableHsuart1;
	params->PcdEnableAzalia			= config->PcdEnableAzalia;
	params->PcdEnableSata			= config->PcdEnableSata;
	params->PcdEnableXhci			= config->PcdEnableXhci;
	params->PcdEnableLpe			= config->PcdEnableLpe;
	params->PcdEnableDma0			= config->PcdEnableDma0;
	params->PcdEnableDma1			= config->PcdEnableDma1;
	params->PcdEnableI2C0			= config->PcdEnableI2C0;
	params->PcdEnableI2C1			= config->PcdEnableI2C1;
	params->PcdEnableI2C2			= config->PcdEnableI2C2;
	params->PcdEnableI2C3			= config->PcdEnableI2C3;
	params->PcdEnableI2C4			= config->PcdEnableI2C4;
	params->PcdEnableI2C5			= config->PcdEnableI2C5;
	params->PcdEnableI2C6			= config->PcdEnableI2C6;
	params->GraphicsConfigPtr		= 0;
	params->AzaliaConfigPtr			= 0;
	params->PunitPwrConfigDisable		= config->PunitPwrConfigDisable;
	params->ChvSvidConfig			= config->ChvSvidConfig;
	params->DptfDisable			= config->DptfDisable;
	params->PcdEmmcMode			= config->PcdEmmcMode;
	params->PcdUsb3ClkSsc			= 1;
	params->PcdDispClkSsc			= 1;
	params->PcdSataClkSsc			= 1;

	params->Usb2Port0PerPortPeTxiSet	= config->Usb2Port0PerPortPeTxiSet;
	params->Usb2Port0PerPortTxiSet		= config->Usb2Port0PerPortTxiSet;
	params->Usb2Port0IUsbTxEmphasisEn	= config->Usb2Port0IUsbTxEmphasisEn;
	params->Usb2Port0PerPortTxPeHalf	= config->Usb2Port0PerPortTxPeHalf;

	params->Usb2Port1PerPortPeTxiSet	= config->Usb2Port1PerPortPeTxiSet;
	params->Usb2Port1PerPortTxiSet		= config->Usb2Port1PerPortTxiSet;
	params->Usb2Port1IUsbTxEmphasisEn	= config->Usb2Port1IUsbTxEmphasisEn;
	params->Usb2Port1PerPortTxPeHalf	= config->Usb2Port1PerPortTxPeHalf;

	params->Usb2Port2PerPortPeTxiSet	= config->Usb2Port2PerPortPeTxiSet;
	params->Usb2Port2PerPortTxiSet		= config->Usb2Port2PerPortTxiSet;
	params->Usb2Port2IUsbTxEmphasisEn	= config->Usb2Port2IUsbTxEmphasisEn;
	params->Usb2Port2PerPortTxPeHalf	= config->Usb2Port2PerPortTxPeHalf;

	params->Usb2Port3PerPortPeTxiSet	= config->Usb2Port3PerPortPeTxiSet;
	params->Usb2Port3PerPortTxiSet		= config->Usb2Port3PerPortTxiSet;
	params->Usb2Port3IUsbTxEmphasisEn	= config->Usb2Port3IUsbTxEmphasisEn;
	params->Usb2Port3PerPortTxPeHalf	= config->Usb2Port3PerPortTxPeHalf;

	params->Usb2Port4PerPortPeTxiSet	= config->Usb2Port4PerPortPeTxiSet;
	params->Usb2Port4PerPortTxiSet		= config->Usb2Port4PerPortTxiSet;
	params->Usb2Port4IUsbTxEmphasisEn	= config->Usb2Port4IUsbTxEmphasisEn;
	params->Usb2Port4PerPortTxPeHalf	= config->Usb2Port4PerPortTxPeHalf;

	params->Usb3Lane0Ow2tapgen2deemph3p5	= config->Usb3Lane0Ow2tapgen2deemph3p5;
	params->Usb3Lane1Ow2tapgen2deemph3p5	= config->Usb3Lane1Ow2tapgen2deemph3p5;
	params->Usb3Lane2Ow2tapgen2deemph3p5	= config->Usb3Lane2Ow2tapgen2deemph3p5;
	params->Usb3Lane3Ow2tapgen2deemph3p5	= config->Usb3Lane3Ow2tapgen2deemph3p5;

	params->PcdSataInterfaceSpeed		= 3;
	params->PcdPchUsbSsicPort		= config->PcdPchUsbSsicPort;
	params->PcdPchUsbHsicPort		= config->PcdPchUsbHsicPort;
	params->PcdPcieRootPortSpeed		= 0;
	params->PcdPchSsicEnable		= config->PcdPchSsicEnable;
	params->PcdRtcLock			= 0;
	params->PMIC_I2CBus			= config->PMIC_I2CBus;
	params->ISPEnable			= config->ISPEnable;
	params->ISPPciDevConfig			= config->ISPPciDevConfig;
	params->PcdSdDetectChk			= config->PcdSdDetectChk;
	params->I2C0Frequency			= config->I2C0Frequency;
	params->I2C1Frequency			= config->I2C1Frequency;
	params->I2C2Frequency			= config->I2C2Frequency;
	params->I2C3Frequency			= config->I2C3Frequency;
	params->I2C4Frequency			= config->I2C4Frequency;
	params->I2C5Frequency			= config->I2C5Frequency;
	params->I2C6Frequency			= config->I2C6Frequency;

	board_silicon_USB2_override(params);
}

void soc_display_silicon_init_params(const SILICON_INIT_UPD *old, SILICON_INIT_UPD *new)
{
	/* Display the parameters for SiliconInit */
	printk(BIOS_SPEW, "UPD values for SiliconInit:\n");

	fsp_display_upd_value("PcdSdcardMode", 1,
			  old->PcdSdcardMode,
			  new->PcdSdcardMode);
	fsp_display_upd_value("PcdEnableHsuart0", 1,
			  old->PcdEnableHsuart0,
			  new->PcdEnableHsuart0);
	fsp_display_upd_value("PcdEnableHsuart1", 1,
			  old->PcdEnableHsuart1,
			  new->PcdEnableHsuart1);
	fsp_display_upd_value("PcdEnableAzalia", 1,
			  old->PcdEnableAzalia,
			  new->PcdEnableAzalia);
	fsp_display_upd_value("AzaliaConfigPtr", 4,
		(uint32_t)old->AzaliaConfigPtr,
		(uint32_t)new->AzaliaConfigPtr);

	fsp_display_upd_value("PcdEnableSata", 1, old->PcdEnableSata, new->PcdEnableSata);
	fsp_display_upd_value("PcdEnableXhci", 1, old->PcdEnableXhci, new->PcdEnableXhci);
	fsp_display_upd_value("PcdEnableLpe",  1, old->PcdEnableLpe,  new->PcdEnableLpe);
	fsp_display_upd_value("PcdEnableDma0", 1, old->PcdEnableDma0, new->PcdEnableDma0);
	fsp_display_upd_value("PcdEnableDma1", 1, old->PcdEnableDma1, new->PcdEnableDma1);
	fsp_display_upd_value("PcdEnableI2C0", 1, old->PcdEnableI2C0, new->PcdEnableI2C0);
	fsp_display_upd_value("PcdEnableI2C1", 1, old->PcdEnableI2C1, new->PcdEnableI2C1);
	fsp_display_upd_value("PcdEnableI2C2", 1, old->PcdEnableI2C2, new->PcdEnableI2C2);
	fsp_display_upd_value("PcdEnableI2C3", 1, old->PcdEnableI2C3, new->PcdEnableI2C3);
	fsp_display_upd_value("PcdEnableI2C4", 1, old->PcdEnableI2C4, new->PcdEnableI2C4);
	fsp_display_upd_value("PcdEnableI2C5", 1, old->PcdEnableI2C5, new->PcdEnableI2C5);
	fsp_display_upd_value("PcdEnableI2C6", 1, old->PcdEnableI2C6, new->PcdEnableI2C6);

	fsp_display_upd_value("PcdGraphicsConfigPtr", 4,
			  old->GraphicsConfigPtr,
			  new->GraphicsConfigPtr);
	fsp_display_upd_value("GpioFamilyInitTablePtr", 4,
		(uint32_t)old->GpioFamilyInitTablePtr,
		(uint32_t)new->GpioFamilyInitTablePtr);
	fsp_display_upd_value("GpioPadInitTablePtr", 4,
		(uint32_t)old->GpioPadInitTablePtr,
		(uint32_t)new->GpioPadInitTablePtr);
	fsp_display_upd_value("PunitPwrConfigDisable", 1,
			  old->PunitPwrConfigDisable,
			  new->PunitPwrConfigDisable);

	fsp_display_upd_value("ChvSvidConfig", 1, old->ChvSvidConfig, new->ChvSvidConfig);
	fsp_display_upd_value("DptfDisable",   1, old->DptfDisable,   new->DptfDisable);
	fsp_display_upd_value("PcdEmmcMode",   1, old->PcdEmmcMode,   new->PcdEmmcMode);
	fsp_display_upd_value("PcdUsb3ClkSsc", 1, old->PcdUsb3ClkSsc, new->PcdUsb3ClkSsc);
	fsp_display_upd_value("PcdDispClkSsc", 1, old->PcdDispClkSsc, new->PcdDispClkSsc);
	fsp_display_upd_value("PcdSataClkSsc", 1, old->PcdSataClkSsc, new->PcdSataClkSsc);

	fsp_display_upd_value("Usb2Port0PerPortPeTxiSet", 1,
			  old->Usb2Port0PerPortPeTxiSet,
			  new->Usb2Port0PerPortPeTxiSet);
	fsp_display_upd_value("Usb2Port0PerPortTxiSet", 1,
			  old->Usb2Port0PerPortTxiSet,
			  new->Usb2Port0PerPortTxiSet);
	fsp_display_upd_value("Usb2Port0IUsbTxEmphasisEn", 1,
			  old->Usb2Port0IUsbTxEmphasisEn,
			  new->Usb2Port0IUsbTxEmphasisEn);
	fsp_display_upd_value("Usb2Port0PerPortTxPeHalf", 1,
			  old->Usb2Port0PerPortTxPeHalf,
			  new->Usb2Port0PerPortTxPeHalf);
	fsp_display_upd_value("Usb2Port1PerPortPeTxiSet", 1,
			  old->Usb2Port1PerPortPeTxiSet,
			  new->Usb2Port1PerPortPeTxiSet);
	fsp_display_upd_value("Usb2Port1PerPortTxiSet", 1,
			  old->Usb2Port1PerPortTxiSet,
			  new->Usb2Port1PerPortTxiSet);
	fsp_display_upd_value("Usb2Port1IUsbTxEmphasisEn", 1,
			  old->Usb2Port1IUsbTxEmphasisEn,
			  new->Usb2Port1IUsbTxEmphasisEn);
	fsp_display_upd_value("Usb2Port1PerPortTxPeHalf", 1,
			  old->Usb2Port1PerPortTxPeHalf,
			  new->Usb2Port1PerPortTxPeHalf);
	fsp_display_upd_value("Usb2Port2PerPortPeTxiSet", 1,
			  old->Usb2Port2PerPortPeTxiSet,
			  new->Usb2Port2PerPortPeTxiSet);
	fsp_display_upd_value("Usb2Port2PerPortTxiSet", 1,
			  old->Usb2Port2PerPortTxiSet,
			  new->Usb2Port2PerPortTxiSet);
	fsp_display_upd_value("Usb2Port2IUsbTxEmphasisEn", 1,
			  old->Usb2Port2IUsbTxEmphasisEn,
			  new->Usb2Port2IUsbTxEmphasisEn);
	fsp_display_upd_value("Usb2Port2PerPortTxPeHalf", 1,
			  old->Usb2Port2PerPortTxPeHalf,
			  new->Usb2Port2PerPortTxPeHalf);
	fsp_display_upd_value("Usb2Port3PerPortPeTxiSet", 1,
			  old->Usb2Port3PerPortPeTxiSet,
			  new->Usb2Port3PerPortPeTxiSet);
	fsp_display_upd_value("Usb2Port3PerPortTxiSet", 1,
			  old->Usb2Port3PerPortTxiSet,
			  new->Usb2Port3PerPortTxiSet);
	fsp_display_upd_value("Usb2Port3IUsbTxEmphasisEn", 1,
			  old->Usb2Port3IUsbTxEmphasisEn,
			  new->Usb2Port3IUsbTxEmphasisEn);
	fsp_display_upd_value("Usb2Port3PerPortTxPeHalf", 1,
			  old->Usb2Port3PerPortTxPeHalf,
			  new->Usb2Port3PerPortTxPeHalf);
	fsp_display_upd_value("Usb2Port4PerPortPeTxiSet", 1,
			  old->Usb2Port4PerPortPeTxiSet,
			  new->Usb2Port4PerPortPeTxiSet);
	fsp_display_upd_value("Usb2Port4PerPortTxiSet", 1,
			  old->Usb2Port4PerPortTxiSet,
			  new->Usb2Port4PerPortTxiSet);
	fsp_display_upd_value("Usb2Port4IUsbTxEmphasisEn", 1,
			  old->Usb2Port4IUsbTxEmphasisEn,
			  new->Usb2Port4IUsbTxEmphasisEn);
	fsp_display_upd_value("Usb2Port4PerPortTxPeHalf", 1,
			  old->Usb2Port4PerPortTxPeHalf,
			  new->Usb2Port4PerPortTxPeHalf);
	fsp_display_upd_value("Usb3Lane0Ow2tapgen2deemph3p5", 1,
			  old->Usb3Lane0Ow2tapgen2deemph3p5,
			  new->Usb3Lane0Ow2tapgen2deemph3p5);
	fsp_display_upd_value("Usb3Lane1Ow2tapgen2deemph3p5", 1,
			  old->Usb3Lane1Ow2tapgen2deemph3p5,
			  new->Usb3Lane1Ow2tapgen2deemph3p5);
	fsp_display_upd_value("Usb3Lane2Ow2tapgen2deemph3p5", 1,
			  old->Usb3Lane2Ow2tapgen2deemph3p5,
			  new->Usb3Lane2Ow2tapgen2deemph3p5);
	fsp_display_upd_value("Usb3Lane3Ow2tapgen2deemph3p5", 1,
			  old->Usb3Lane3Ow2tapgen2deemph3p5,
			  new->Usb3Lane3Ow2tapgen2deemph3p5);
	fsp_display_upd_value("PcdSataInterfaceSpeed", 1,
			  old->PcdSataInterfaceSpeed,
			  new->PcdSataInterfaceSpeed);
	fsp_display_upd_value("PcdPchUsbSsicPort", 1,
			  old->PcdPchUsbSsicPort,
			  new->PcdPchUsbSsicPort);
	fsp_display_upd_value("PcdPchUsbHsicPort", 1,
			  old->PcdPchUsbHsicPort,
			  new->PcdPchUsbHsicPort);
	fsp_display_upd_value("PcdPcieRootPortSpeed", 1,
			  old->PcdPcieRootPortSpeed,
			  new->PcdPcieRootPortSpeed);
	fsp_display_upd_value("PcdPchSsicEnable", 1,
			  old->PcdPchSsicEnable,
			  new->PcdPchSsicEnable);

	fsp_display_upd_value("PcdLogoPtr",      4, old->PcdLogoPtr,      new->PcdLogoPtr);
	fsp_display_upd_value("PcdLogoSize",     4, old->PcdLogoSize,     new->PcdLogoSize);
	fsp_display_upd_value("PcdRtcLock",      1, old->PcdRtcLock,      new->PcdRtcLock);
	fsp_display_upd_value("PMIC_I2CBus",     1, old->PMIC_I2CBus,     new->PMIC_I2CBus);
	fsp_display_upd_value("ISPEnable",       1, old->ISPEnable,       new->ISPEnable);
	fsp_display_upd_value("ISPPciDevConfig", 1, old->ISPPciDevConfig, new->ISPPciDevConfig);
	fsp_display_upd_value("PcdSdDetectChk",  1, old->PcdSdDetectChk,  new->PcdSdDetectChk);
}

/* Called at BS_DEV_INIT_CHIPS time -- very early. Just after BS_PRE_DEVICE. */
static void soc_init(void *chip_info)
{
	soc_init_pre_device(chip_info);
}

struct chip_operations soc_intel_braswell_ops = {
	CHIP_NAME("Intel Braswell SoC")
	.enable_dev = enable_dev,
	.init       = soc_init,
};

struct pci_operations soc_pci_ops = {
	.set_subsystem = &pci_dev_set_subsystem,
};

/**
  Return SoC stepping type

  @retval SOC_STEPPING            SoC stepping type
**/
int SocStepping(void)
{
	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
	const u8 revid = pci_read_config8(dev, 0x8);

	switch (revid & B_PCH_LPC_RID_STEPPING_MASK) {
	case V_PCH_LPC_RID_A0:
		return SocA0;
	case V_PCH_LPC_RID_A1:
		return SocA1;
	case V_PCH_LPC_RID_A2:
		return SocA2;
	case V_PCH_LPC_RID_A3:
		return SocA3;
	case V_PCH_LPC_RID_A4:
		return SocA4;
	case V_PCH_LPC_RID_A5:
		return SocA5;
	case V_PCH_LPC_RID_A6:
		return SocA6;
	case V_PCH_LPC_RID_A7:
		return SocA7;
	case V_PCH_LPC_RID_B0:
		return SocB0;
	case V_PCH_LPC_RID_B1:
		return SocB1;
	case V_PCH_LPC_RID_B2:
		return SocB2;
	case V_PCH_LPC_RID_B3:
		return SocB3;
	case V_PCH_LPC_RID_B4:
		return SocB4;
	case V_PCH_LPC_RID_B5:
		return SocB5;
	case V_PCH_LPC_RID_B6:
		return SocB6;
	case V_PCH_LPC_RID_B7:
		return SocB7;
	case V_PCH_LPC_RID_C0:
		return SocC0;
	case V_PCH_LPC_RID_C1:
		return SocC1;
	case V_PCH_LPC_RID_C2:
		return SocC2;
	case V_PCH_LPC_RID_C3:
		return SocC3;
	case V_PCH_LPC_RID_C4:
		return SocC4;
	case V_PCH_LPC_RID_C5:
		return SocC5;
	case V_PCH_LPC_RID_C6:
		return SocC6;
	case V_PCH_LPC_RID_C7:
		return SocC7;
	case V_PCH_LPC_RID_D0:
		return SocD0;
	case V_PCH_LPC_RID_D1:
		return SocD1;
	case V_PCH_LPC_RID_D2:
		return SocD2;
	case V_PCH_LPC_RID_D3:
		return SocD3;
	case V_PCH_LPC_RID_D4:
		return SocD4;
	case V_PCH_LPC_RID_D5:
		return SocD5;
	case V_PCH_LPC_RID_D6:
		return SocD6;
	case V_PCH_LPC_RID_D7:
		return SocD7;
	default:
		return SocSteppingMax;
	}
}