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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016-2017 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 <bootmode.h>
#include <bootstate.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <arch/acpi.h>
#include <chip.h>
#include <bootstate.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <romstage_handoff.h>
#include <soc/acpi.h>
#include <soc/intel/common/vbt.h>
#include <soc/interrupt.h>
#include <soc/irq.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <string.h>
void soc_init_pre_device(void *chip_info)
{
/* Perform silicon specific init. */
fsp_silicon_init(romstage_handoff_is_resume());
}
void soc_fsp_load(void)
{
fsps_load(romstage_handoff_is_resume());
}
static void pci_domain_set_resources(device_t dev)
{
assign_resources(dev->link_list);
}
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,
.ops_pci_bus = &pci_bus_default_ops,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.acpi_name = &soc_acpi_name,
#endif
};
static struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = DEVICE_NOOP,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.acpi_fill_ssdt_generator = generate_cpu_entries,
#endif
};
static void soc_enable(device_t 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;
}
struct chip_operations soc_intel_skylake_ops = {
CHIP_NAME("Intel 6th Gen")
.enable_dev = &soc_enable,
.init = &soc_init_pre_device,
};
/* UPD parameters to be initialized before SiliconInit */
void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
{
FSP_S_CONFIG *params = &supd->FspsConfig;
FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig;
static struct soc_intel_skylake_config *config;
uintptr_t vbt_data = 0;
int i;
int is_s3_wakeup = acpi_is_wakeup_s3();
struct device *dev = SA_DEV_ROOT;
if (!dev || !dev->chip_info) {
printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;
}
config = dev->chip_info;
mainboard_silicon_init_params(params);
/* Set PsysPmax if it is available from DT */
if (config->psys_pmax) {
/* PsysPmax is in unit of 1/8 Watt */
tconfig->PsysPmax = config->psys_pmax * 8;
printk(BIOS_DEBUG, "psys_pmax = %d\n", tconfig->PsysPmax);
}
/* Load VBT */
if (is_s3_wakeup) {
printk(BIOS_DEBUG, "S3 resume do not pass VBT to GOP\n");
} else if (display_init_required() && IS_ENABLED(CONFIG_RUN_FSP_GOP)) {
/* Get VBT data */
vbt_data = (uintptr_t)locate_vbt();
if (vbt_data)
printk(BIOS_DEBUG, "Passing VBT to GOP\n");
else
printk(BIOS_DEBUG, "VBT not found!\n");
} else {
printk(BIOS_DEBUG, "Not passing VBT to GOP\n");
}
params->GraphicsConfigPtr = (u32) vbt_data;
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;
}
}
memcpy(params->SataPortsEnable, config->SataPortsEnable,
sizeof(params->SataPortsEnable));
memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp,
sizeof(params->SataPortsDevSlp));
memcpy(params->PcieRpClkReqSupport, config->PcieRpClkReqSupport,
sizeof(params->PcieRpClkReqSupport));
memcpy(params->PcieRpClkReqNumber, config->PcieRpClkReqNumber,
sizeof(params->PcieRpClkReqNumber));
memcpy(params->PcieRpAdvancedErrorReporting,
config->PcieRpAdvancedErrorReporting,
sizeof(params->PcieRpAdvancedErrorReporting));
memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable,
sizeof(params->PcieRpLtrEnable));
/*
* PcieRpClkSrcNumber UPD is set to clock source number(0-6) for
* all the enabled PCIe root ports, invalid(0x1F) is set for
* disabled PCIe root ports.
*/
for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) {
if (config->PcieRpClkReqSupport[i])
params->PcieRpClkSrcNumber[i] =
config->PcieRpClkSrcNumber[i];
else
params->PcieRpClkSrcNumber[i] = 0x1F;
}
/* disable Legacy PME */
memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci));
memcpy(params->SerialIoDevMode, config->SerialIoDevMode,
sizeof(params->SerialIoDevMode));
params->PchCio2Enable = config->Cio2Enable;
params->SaImguEnable = config->SaImguEnable;
params->Heci3Enabled = config->Heci3Enabled;
params->LogoPtr = config->LogoPtr;
params->LogoSize = config->LogoSize;
params->CpuConfig.Bits.VmxEnable = config->VmxEnable;
params->PchPmWoWlanEnable = config->PchPmWoWlanEnable;
params->PchPmWoWlanDeepSxEnable = config->PchPmWoWlanDeepSxEnable;
params->PchPmLanWakeFromDeepSx = config->WakeConfigPcieWakeFromDeepSx;
params->PchLanEnable = config->EnableLan;
if (config->EnableLan) {
params->PchLanLtrEnable = config->EnableLanLtr;
params->PchLanK1OffEnable = config->EnableLanK1Off;
params->PchLanClkReqSupported = config->LanClkReqSupported;
params->PchLanClkReqNumber = config->LanClkReqNumber;
}
params->SataSalpSupport = config->SataSalpSupport;
params->SsicPortEnable = config->SsicPortEnable;
params->ScsEmmcEnabled = config->ScsEmmcEnabled;
params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
params->ScsSdCardEnabled = config->ScsSdCardEnabled;
params->PchIshEnable = config->IshEnable;
params->PchHdaEnable = config->EnableAzalia;
params->PchHdaIoBufferOwnership = config->IoBufferOwnership;
params->PchHdaDspEnable = config->DspEnable;
params->XdciEnable = config->XdciEnable;
params->Device4Enable = config->Device4Enable;
params->SataEnable = config->EnableSata;
params->SataMode = config->SataMode;
params->SataSpeedLimit = config->SataSpeedLimit;
params->SataPwrOptEnable = config->SataPwrOptEnable;
tconfig->PchLockDownGlobalSmi = config->LockDownConfigGlobalSmi;
tconfig->PchLockDownRtcLock = config->LockDownConfigRtcLock;
/*
* To disable HECI, the Psf needs to be left unlocked
* by FSP till end of post sequence. Based on the devicetree
* setting, we set the appropriate PsfUnlock policy in FSP,
* do the changes and then lock it back in coreboot during finalize.
*/
tconfig->PchSbAccessUnlock = (config->HeciEnabled == 0) ? 1 : 0;
if (config->chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT) {
tconfig->PchLockDownBiosInterface = 0;
params->PchLockDownBiosLock = 0;
params->PchLockDownSpiEiss = 0;
/*
* Skip Spi Flash Lockdown from inside FSP.
* Making this config "0" means FSP won't set the FLOCKDN bit
* of SPIBAR + 0x04 (i.e., Bit 15 of BIOS_HSFSTS_CTL).
* So, it becomes coreboot's responsibility to set this bit
* before end of POST for security concerns.
*/
params->SpiFlashCfgLockDown = 0;
}
params->PchSubSystemVendorId = config->PchConfigSubSystemVendorId;
params->PchSubSystemId = config->PchConfigSubSystemId;
params->PchPmWolEnableOverride = config->WakeConfigWolEnableOverride;
params->PchPmPcieWakeFromDeepSx = config->WakeConfigPcieWakeFromDeepSx;
params->PchPmDeepSxPol = config->PmConfigDeepSxPol;
params->PchPmSlpS0Enable = config->s0ix_enable;
params->PchPmSlpS3MinAssert = config->PmConfigSlpS3MinAssert;
params->PchPmSlpS4MinAssert = config->PmConfigSlpS4MinAssert;
params->PchPmSlpSusMinAssert = config->PmConfigSlpSusMinAssert;
params->PchPmSlpAMinAssert = config->PmConfigSlpAMinAssert;
params->PchPmLpcClockRun = config->PmConfigPciClockRun;
params->PchPmSlpStrchSusUp = config->PmConfigSlpStrchSusUp;
params->PchPmPwrBtnOverridePeriod =
config->PmConfigPwrBtnOverridePeriod;
params->PchPmPwrCycDur = config->PmConfigPwrCycDur;
/* Indicate whether platform supports Voltage Margining */
params->PchPmSlpS0VmEnable = config->PchPmSlpS0VmEnable;
params->PchSirqEnable = config->SerialIrqConfigSirqEnable;
params->PchSirqMode = config->SerialIrqConfigSirqMode;
params->CpuConfig.Bits.SkipMpInit = config->FspSkipMpInit;
for (i = 0; i < ARRAY_SIZE(config->i2c); i++)
params->SerialIoI2cVoltage[i] = config->i2c_voltage[i];
for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
fill_vr_domain_config(params, i, &config->domain_vr_config[i]);
/* Show SPI controller if enabled in devicetree.cb */
dev = dev_find_slot(0, PCH_DEVFN_SPI);
params->ShowSpiController = dev->enabled;
/*
* Send VR specific mailbox commands:
* 000b - no VR specific command sent
* 001b - VR mailbox command specifically for the MPS IMPV8 VR
* will be sent
* 010b - VR specific command sent for PS4 exit issue
* 100b - VR specific command sent for MPS VR decay issue
*/
params->SendVrMbxCmd1 = config->SendVrMbxCmd;
/*
* Activates VR mailbox command for Intersil VR C-state issues.
* 0 - no mailbox command sent.
* 1 - VR mailbox command sent for IA/GT rails only.
* 2 - VR mailbox command sent for IA/GT/SA rails.
*/
params->IslVrCmd = config->IslVrCmd;
/* Acoustic Noise Mitigation */
params->AcousticNoiseMitigation = config->AcousticNoiseMitigation;
params->SlowSlewRateForIa = config->SlowSlewRateForIa;
params->SlowSlewRateForGt = config->SlowSlewRateForGt;
params->SlowSlewRateForSa = config->SlowSlewRateForSa;
params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa;
params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt;
params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa;
/* Enable PMC XRAM read */
tconfig->PchPmPmcReadDisable = config->PchPmPmcReadDisable;
/* Enable/Disable EIST */
tconfig->Eist = config->eist_enable;
/* Set TccActivationOffset */
tconfig->TccActivationOffset = config->tcc_offset;
soc_irq_settings(params);
}
/* Mainboard GPIO Configuration */
__attribute__((weak)) void mainboard_silicon_init_params(FSP_S_CONFIG *params)
{
printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
}
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