diff options
Diffstat (limited to 'src/soc/intel/jasperlake/fsp_params_tgl.c')
-rw-r--r-- | src/soc/intel/jasperlake/fsp_params_tgl.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/fsp_params_tgl.c b/src/soc/intel/jasperlake/fsp_params_tgl.c new file mode 100644 index 0000000000..a8be407d23 --- /dev/null +++ b/src/soc/intel/jasperlake/fsp_params_tgl.c @@ -0,0 +1,212 @@ +/* + * This file is part of the coreboot project. + * + * + * 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 <assert.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <intelblocks/lpss.h> +#include <intelblocks/xdci.h> +#include <soc/gpio_soc_defs.h> +#include <soc/intel/common/vbt.h> +#include <soc/pci_devs.h> +#include <soc/ramstage.h> +#include <soc/soc_chip.h> +#include <string.h> + +/* + * Chip config parameter PcieRpL1Substates uses (UPD value + 1) + * because UPD value of 0 for PcieRpL1Substates means disabled for FSP. + * In order to ensure that mainboard setting does not disable L1 substates + * incorrectly, chip config parameter values are offset by 1 with 0 meaning + * use FSP UPD default. get_l1_substate_control() ensures that the right UPD + * value is set in fsp_params. + * 0: Use FSP UPD default + * 1: Disable L1 substates + * 2: Use L1.1 + * 3: Use L1.2 (FSP UPD default) + */ +static int get_l1_substate_control(enum L1_substates_control ctl) +{ + if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT)) + ctl = L1_SS_L1_2; + return ctl - 1; +} + +static void parse_devicetree(FSP_S_CONFIG *params) +{ + const struct soc_intel_tigerlake_config *config; + config = config_of_soc(); + + for (int i = 0; i < CONFIG_SOC_INTEL_I2C_DEV_MAX; i++) + params->SerialIoI2cMode[i] = config->SerialIoI2cMode[i]; + + for (int i = 0; i < CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; i++) { + params->SerialIoSpiMode[i] = config->SerialIoGSpiMode[i]; + params->SerialIoSpiCsMode[i] = config->SerialIoGSpiCsMode[i]; + params->SerialIoSpiCsState[i] = config->SerialIoGSpiCsState[i]; + } + + for (int i = 0; i < CONFIG_SOC_INTEL_UART_DEV_MAX; i++) + params->SerialIoUartMode[i] = config->SerialIoUartMode[i]; +} + +static const pci_devfn_t serial_io_dev[] = { + 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_GSPI3, + PCH_DEVFN_UART0, + PCH_DEVFN_UART1, + PCH_DEVFN_UART2 +}; + +/* 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; + + struct device *dev; + struct soc_intel_tigerlake_config *config; + config = config_of_soc(); + + /* Parse device tree and enable/disable Serial I/O devices */ + parse_devicetree(params); + + /* Load VBT before devicetree-specific config. */ + params->GraphicsConfigPtr = (uintptr_t)vbt_get(); + + params->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT; + + dev = pcidev_path_on_root(SA_DEVFN_IGD); + if (CONFIG(RUN_FSP_GOP) && dev && dev->enabled) + params->PeiGraphicsPeimInit = 1; + else + params->PeiGraphicsPeimInit = 0; + + for (i = 0; i < 8; i++) + params->IomTypeCPortPadCfg[i] = 0x09000000; + + /* 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->Usb2PhyPetxiset[i] = config->usb2_ports[i].pre_emp_bias; + params->Usb2PhyTxiset[i] = config->usb2_ports[i].tx_bias; + params->Usb2PhyPredeemp[i] = config->usb2_ports[i].tx_emp_enable; + params->Usb2PhyPehalfbit[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; + } + } + + /* RP Configs */ + for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) + params->PcieRpL1Substates[i] = + get_l1_substate_control(config->PcieRpL1Substates[i]); + + /* Enable xDCI controller if enabled in devicetree and allowed */ + dev = pcidev_on_root(PCH_DEV_SLOT_XHCI, 1); + if (dev) { + if (!xdci_can_enable()) + dev->enabled = 0; + params->XdciEnable = dev->enabled; + } else { + params->XdciEnable = 0; + } + + /* PCH UART selection for FSP Debug */ + params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; + ASSERT(ARRAY_SIZE(params->SerialIoUartAutoFlow) > CONFIG_UART_FOR_CONSOLE); + params->SerialIoUartAutoFlow[CONFIG_UART_FOR_CONSOLE] = 0; + + /* SATA */ + dev = pcidev_on_root(PCH_DEV_SLOT_SATA, 0); + 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 = pcidev_on_root(PCH_DEV_SLOT_ESPI, 6); + if (!dev) + params->PchLanEnable = 0; + else + params->PchLanEnable = dev->enabled; + + /* CNVi */ + dev = pcidev_path_on_root(PCH_DEVFN_CNVI_WIFI); + if (dev) + params->CnviMode = dev->enabled; + else + params->CnviMode = 0; + + /* Legacy 8254 timer support */ + params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER; + params->Enable8254ClockGatingOnS3 = !CONFIG_USE_LEGACY_8254_TIMER; + + /* Enable Hybrid storage auto detection */ + params->HybridStorageMode = config->HybridStorageMode; + + /* USB4/TBT */ + for (i = 0; i < ARRAY_SIZE(params->ITbtPcieRootPortEn); i++) { + dev = pcidev_on_root(SA_DEV_SLOT_TBT, i); + if (dev) + params->ITbtPcieRootPortEn[i] = dev->enabled; + else + params->ITbtPcieRootPortEn[i] = 0; + } + + mainboard_silicon_init_params(params); +} + +/* Mainboard GPIO Configuration */ +__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} + +/* Return list of SOC LPSS controllers */ +const pci_devfn_t *soc_lpss_controllers_list(size_t *size) +{ + *size = ARRAY_SIZE(serial_io_dev); + return serial_io_dev; +} |