From 292afef2fbb5eaf46dd3efa0c9a54c125f71ad1a Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Wed, 9 Sep 2020 13:34:18 +0530 Subject: soc/intel/alderlake/romstage: Do initial SoC commit till romstage List of changes: 1. Add required SoC programming till romstage 2. Include only required headers into include/soc 3. Add SA EDS document number and chapter number 4. Fill required FSP-M UPD to call FSP-M API Change-Id: I4473aed27363c22e92e66cc6770cb55aae83e75c Signed-off-by: Subrata Banik Reviewed-on: https://review.coreboot.org/c/coreboot/+/45192 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons Reviewed-by: Tim Wawrzynczak --- src/soc/intel/alderlake/romstage/fsp_params.c | 174 ++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 src/soc/intel/alderlake/romstage/fsp_params.c (limited to 'src/soc/intel/alderlake/romstage/fsp_params.c') diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c new file mode 100644 index 0000000000..55980a8790 --- /dev/null +++ b/src/soc/intel/alderlake/romstage/fsp_params.c @@ -0,0 +1,174 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, + const struct soc_intel_alderlake_dev_config *config) +{ + unsigned int i; + uint32_t mask = 0; + const struct device *dev; + + /* + * If IGD is enabled, set IGD stolen size to 60MB. + * Otherwise, skip IGD init in FSP. + */ + dev = pcidev_path_on_root(SA_DEVFN_IGD); + m_cfg->InternalGfx = is_dev_enabled(dev); + m_cfg->IgdDvmt50PreAlloc = m_cfg->InternalGfx ? IGD_SM_60MB : 0; + + m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE; + m_cfg->SaGv = config->SaGv; + m_cfg->RMT = config->RMT; + + /* CpuRatio Settings */ + if (config->cpu_ratio_override) + m_cfg->CpuRatio = config->cpu_ratio_override; + else + /* Set CpuRatio to match existing MSR value */ + m_cfg->CpuRatio = (rdmsr(MSR_FLEX_RATIO).lo >> 8) & 0xff; + + for (i = 0; i < ARRAY_SIZE(config->PcieRpEnable); i++) { + if (config->PcieRpEnable[i]) + mask |= (1 << i); + } + m_cfg->PcieRpEnableMask = mask; + + memcpy(m_cfg->PcieClkSrcUsage, config->PcieClkSrcUsage, + sizeof(config->PcieClkSrcUsage)); + + memcpy(m_cfg->PcieClkSrcClkReq, config->PcieClkSrcClkReq, + sizeof(config->PcieClkSrcClkReq)); + + m_cfg->PrmrrSize = get_prmrr_size(); + m_cfg->EnableC6Dram = config->enable_c6dram; + /* Disable BIOS Guard */ + m_cfg->BiosGuard = 0; + + /* UART Debug Log */ + m_cfg->PcdDebugInterfaceFlags = CONFIG(DRIVERS_UART_8250IO) ? + DEBUG_INTERFACE_UART_8250IO : DEBUG_INTERFACE_LPSS_SERIAL_IO; + if (CONFIG(DRIVERS_UART_8250IO)) + m_cfg->PcdIsaSerialUartBase = ISA_SERIAL_BASE_ADDR_3F8; + m_cfg->SerialIoUartDebugMode = PchSerialIoSkipInit; + m_cfg->SerialIoUartDebugControllerNumber = CONFIG_UART_FOR_CONSOLE; + + /* DP port config */ + m_cfg->DdiPortAConfig = config->DdiPortAConfig; + m_cfg->DdiPortBConfig = config->DdiPortBConfig; + m_cfg->DdiPortAHpd = config->DdiPortAHpd; + m_cfg->DdiPortBHpd = config->DdiPortBHpd; + m_cfg->DdiPortCHpd = config->DdiPortCHpd; + m_cfg->DdiPort1Hpd = config->DdiPort1Hpd; + m_cfg->DdiPort2Hpd = config->DdiPort2Hpd; + m_cfg->DdiPort3Hpd = config->DdiPort3Hpd; + m_cfg->DdiPort4Hpd = config->DdiPort4Hpd; + m_cfg->DdiPortADdc = config->DdiPortADdc; + m_cfg->DdiPortBDdc = config->DdiPortBDdc; + m_cfg->DdiPortCDdc = config->DdiPortCDdc; + m_cfg->DdiPort1Ddc = config->DdiPort1Ddc; + m_cfg->DdiPort2Ddc = config->DdiPort2Ddc; + m_cfg->DdiPort3Ddc = config->DdiPort3Ddc; + m_cfg->DdiPort4Ddc = config->DdiPort4Ddc; + + /* Image clock: disable all clocks for bypassing FSP pin mux */ + memset(m_cfg->ImguClkOutEn, 0, sizeof(m_cfg->ImguClkOutEn)); + + /* Enable Hyper Threading */ + m_cfg->HyperThreading = 1; + /* Disable Lock PCU Thermal Management registers */ + m_cfg->LockPTMregs = 0; + /* Channel Hash Mask:0x0001=BIT6 set(Minimal), 0x3FFF=BIT[19:6] set(Maximum) */ + m_cfg->ChHashMask = 0x30CC; + /* Enable SMBus controller */ + dev = pcidev_path_on_root(PCH_DEVFN_SMBUS); + m_cfg->SmbusEnable = is_dev_enabled(dev); + /* Set debug probe type */ + m_cfg->PlatformDebugConsent = CONFIG_SOC_INTEL_ALDERLAKE_DEBUG_CONSENT; + + /* Audio: HDAUDIO_LINK_MODE I2S/SNDW */ + m_cfg->PchHdaDspEnable = config->PchHdaDspEnable; + m_cfg->PchHdaAudioLinkHdaEnable = config->PchHdaAudioLinkHdaEnable; + memcpy(m_cfg->PchHdaAudioLinkDmicEnable, config->PchHdaAudioLinkDmicEnable, + sizeof(m_cfg->PchHdaAudioLinkDmicEnable)); + memcpy(m_cfg->PchHdaAudioLinkSspEnable, config->PchHdaAudioLinkSspEnable, + sizeof(m_cfg->PchHdaAudioLinkSspEnable)); + memcpy(m_cfg->PchHdaAudioLinkSndwEnable, config->PchHdaAudioLinkSndwEnable, + sizeof(m_cfg->PchHdaAudioLinkSndwEnable)); + m_cfg->PchHdaIDispLinkTmode = config->PchHdaIDispLinkTmode; + m_cfg->PchHdaIDispLinkFrequency = config->PchHdaIDispLinkFrequency; + m_cfg->PchHdaIDispCodecDisconnect = config->PchHdaIDispCodecDisconnect; + + /* ISH */ + dev = pcidev_path_on_root(PCH_DEVFN_ISH); + m_cfg->PchIshEnable = is_dev_enabled(dev); + + /* Tcss USB */ + dev = pcidev_path_on_root(SA_DEVFN_TCSS_XHCI); + m_cfg->TcssXhciEn = is_dev_enabled(dev); + + dev = pcidev_path_on_root(SA_DEVFN_TCSS_XDCI); + m_cfg->TcssXdciEn = is_dev_enabled(dev); + + /* TCSS DMA */ + dev = pcidev_path_on_root(SA_DEVFN_TCSS_DMA0); + m_cfg->TcssDma0En = is_dev_enabled(dev); + + dev = pcidev_path_on_root(SA_DEVFN_TCSS_DMA1); + m_cfg->TcssDma1En = is_dev_enabled(dev); + + /* USB4/TBT */ + dev = pcidev_path_on_root(SA_DEVFN_TBT0); + m_cfg->TcssItbtPcie0En = is_dev_enabled(dev); + + dev = pcidev_path_on_root(SA_DEVFN_TBT1); + m_cfg->TcssItbtPcie1En = is_dev_enabled(dev); + + dev = pcidev_path_on_root(SA_DEVFN_TBT2); + m_cfg->TcssItbtPcie2En = is_dev_enabled(dev); + + dev = pcidev_path_on_root(SA_DEVFN_TBT3); + m_cfg->TcssItbtPcie3En = is_dev_enabled(dev); + + /* Vt-D config */ + /* Disable VT-d support for pre-QS platform */ + m_cfg->VtdDisable = 1; + + /* Change VmxEnable UPD value according to ENABLE_VMX Kconfig */ + m_cfg->VmxEnable = CONFIG(ENABLE_VMX); + /* Skip CPU replacement check */ + m_cfg->SkipCpuReplacementCheck = !config->CpuReplacementCheck; + + /* Skip CPU side PCIe enablement in FSP if device is disabled in devicetree */ + dev = pcidev_path_on_root(SA_DEVFN_CPU_PCIE); + m_cfg->CpuPcieRpEnableMask = is_dev_enabled(dev); +} + +void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version) +{ + const struct soc_intel_alderlake_dev_config *config; + FSP_M_CONFIG *m_cfg = &mupd->FspmConfig; + + config = config_of_soc(); + + soc_memory_init_params(m_cfg, config); + mainboard_memory_init_params(mupd); +} + +__weak void mainboard_memory_init_params(FSPM_UPD *mupd) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} -- cgit v1.2.3