diff options
Diffstat (limited to 'src/soc/intel/jasperlake/fsp_params_jsl.c')
| -rw-r--r-- | src/soc/intel/jasperlake/fsp_params_jsl.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/fsp_params_jsl.c b/src/soc/intel/jasperlake/fsp_params_jsl.c new file mode 100644 index 0000000000..932bd06ff7 --- /dev/null +++ b/src/soc/intel/jasperlake/fsp_params_jsl.c @@ -0,0 +1,191 @@ +/* + * 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 <fsp/api.h> +#include <fsp/ppi/mp_service_ppi.h> +#include <fsp/util.h> +#include <intelblocks/lpss.h> +#include <intelblocks/mp_init.h> +#include <intelblocks/xdci.h> +#include <soc/intel/common/vbt.h> +#include <soc/pci_devs.h> +#include <soc/ramstage.h> +#include <soc/soc_chip.h> +#include <string.h> + +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_UART0, + PCH_DEVFN_UART1, + PCH_DEVFN_UART2 +}; + +static void parse_devicetree(FSP_S_CONFIG *params) +{ + const struct soc_intel_tigerlake_config *config = config_of_soc(); + + /* LPSS controllers configuration */ + + /* I2C */ + _Static_assert(ARRAY_SIZE(params->SerialIoI2cMode) >= + ARRAY_SIZE(config->SerialIoI2cMode), "copy buffer overflow!"); + memcpy(params->SerialIoI2cMode, config->SerialIoI2cMode, + sizeof(config->SerialIoI2cMode)); + + /* GSPI */ + _Static_assert(ARRAY_SIZE(params->SerialIoSpiMode) >= + ARRAY_SIZE(config->SerialIoGSpiMode), "copy buffer overflow!"); + memcpy(params->SerialIoSpiMode, config->SerialIoGSpiMode, + sizeof(config->SerialIoGSpiMode)); + + _Static_assert(ARRAY_SIZE(params->SerialIoSpiCsMode) >= + ARRAY_SIZE(config->SerialIoGSpiCsMode), "copy buffer overflow!"); + memcpy(params->SerialIoSpiCsMode, config->SerialIoGSpiCsMode, + sizeof(config->SerialIoGSpiCsMode)); + + _Static_assert(ARRAY_SIZE(params->SerialIoSpiCsState) >= + ARRAY_SIZE(config->SerialIoGSpiCsState), "copy buffer overflow!"); + memcpy(params->SerialIoSpiCsState, config->SerialIoGSpiCsState, + sizeof(config->SerialIoGSpiCsState)); + + /* UART */ + _Static_assert(ARRAY_SIZE(params->SerialIoUartMode) >= + ARRAY_SIZE(config->SerialIoUartMode), "copy buffer overflow!"); + memcpy(params->SerialIoUartMode, config->SerialIoUartMode, + sizeof(config->SerialIoUartMode)); +} + +/* UPD parameters to be initialized before SiliconInit */ +void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) +{ + unsigned int i; + struct device *dev; + FSP_S_CONFIG *params = &supd->FspsConfig; + struct soc_intel_tigerlake_config *config = config_of_soc(); + + /* Parse device tree and fill in FSP UPDs */ + parse_devicetree(params); + + /* Load VBT before devicetree-specific config. */ + params->GraphicsConfigPtr = (uintptr_t)vbt_get(); + + /* Check if IGD is present and fill Graphics init param accordingly */ + dev = pcidev_path_on_root(SA_DEVFN_IGD); + + if (CONFIG(RUN_FSP_GOP) && dev && dev->enabled) + params->PeiGraphicsPeimInit = 1; + else + params->PeiGraphicsPeimInit = 0; + + /* Use coreboot MP PPI services if Kconfig is enabled */ + if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI)) { + params->CpuMpPpi = (uintptr_t) mp_fill_ppi_services_data(); + params->SkipMpInit = 0; + } else { + params->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT; + } + + /* Unlock upper 8 bytes of RTC RAM */ + params->RtcMemoryLock = 0; + + /* Legacy 8254 timer support */ + params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER; + params->Enable8254ClockGatingOnS3 = 1; + + /* disable Legacy PME */ + memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci)); + + /* USB configuration */ + 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; + } + } + + /* SDCard related configuration */ + dev = pcidev_path_on_root(PCH_DEVFN_SDCARD); + if (!dev) + params->ScsSdCardEnabled = 0; + else + params->ScsSdCardEnabled = dev->enabled; + + params->Device4Enable = config->Device4Enable; + + /* eMMC configuration */ + dev = pcidev_path_on_root(PCH_DEVFN_EMMC); + if (!dev) { + params->ScsEmmcEnabled = 0; + } else { + params->ScsEmmcEnabled = dev->enabled; + params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; + } + + /* Enable xDCI controller if enabled in devicetree and allowed */ + dev = pcidev_path_on_root(PCH_DEVFN_USBOTG); + if (dev) { + if (!xdci_can_enable()) + dev->enabled = 0; + + params->XdciEnable = dev->enabled; + } else { + params->XdciEnable = 0; + } + + /* Provide correct UART number for FSP debug logs */ + params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; + + /* Override/Fill FSP Silicon Param for mainboard */ + 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; +} |