diff options
Diffstat (limited to 'src/soc/intel/cannonlake/fsp_params.c')
| -rw-r--r-- | src/soc/intel/cannonlake/fsp_params.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c new file mode 100644 index 0000000000..cbc97b22cd --- /dev/null +++ b/src/soc/intel/cannonlake/fsp_params.c @@ -0,0 +1,220 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 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 <compiler.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <intelblocks/xdci.h> +#include <soc/intel/common/vbt.h> +#include <soc/pci_devs.h> +#include <soc/ramstage.h> +#include <string.h> + +static void parse_devicetree(FSP_S_CONFIG *params) +{ + struct device *dev = SA_DEV_ROOT; + if (!dev) { + printk(BIOS_ERR, "Could not find root device\n"); + return; + } + + const config_t *config = dev->chip_info; + const int SerialIoDev[] = { + 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 + }; + + for (int i = 0; i < ARRAY_SIZE(SerialIoDev); i++) { + dev = dev_find_slot(0, SerialIoDev[i]); + if (!dev->enabled) { + params->SerialIoDevMode[i] = PchSerialIoDisabled; + continue; + } + params->SerialIoDevMode[i] = PchSerialIoPci; + if (config->SerialIoDevMode[i] == PchSerialIoAcpi || + config->SerialIoDevMode[i] == PchSerialIoHidden) + params->SerialIoDevMode[i] = config->SerialIoDevMode[i]; + } +} + +/* 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; + FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig; + struct device *dev = SA_DEV_ROOT; + config_t *config = dev->chip_info; + + /* Parse device tree and enable/disable devices */ + parse_devicetree(params); + + /* Load VBT before devicetree-specific config. */ + params->GraphicsConfigPtr = (uintptr_t)vbt_get(); + + /* Set USB OC pin to 0 first */ + for (i = 0; i < ARRAY_SIZE(params->Usb2OverCurrentPin); i++) { + params->Usb2OverCurrentPin[i] = 0; + } + + for (i = 0; i < ARRAY_SIZE(params->Usb3OverCurrentPin); i++) { + params->Usb3OverCurrentPin[i] = 0; + } + + mainboard_silicon_init_params(params); + + /* Unlock upper 8 bytes of RTC RAM */ + params->PchLockDownRtcMemoryLock = 0; + + /* SATA */ + dev = dev_find_slot(0, PCH_DEVFN_SATA); + 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 = dev_find_slot(0, PCH_DEVFN_GBE); + if (!dev) + params->PchLanEnable = 0; + else + params->PchLanEnable = dev->enabled; + + /* Audio */ + params->PchHdaDspEnable = config->PchHdaDspEnable; + params->PchHdaAudioLinkHda = config->PchHdaAudioLinkHda; + params->PchHdaAudioLinkDmic0 = config->PchHdaAudioLinkDmic0; + params->PchHdaAudioLinkDmic1 = config->PchHdaAudioLinkDmic1; + params->PchHdaAudioLinkSsp0 = config->PchHdaAudioLinkSsp0; + params->PchHdaAudioLinkSsp1 = config->PchHdaAudioLinkSsp1; + params->PchHdaAudioLinkSsp2 = config->PchHdaAudioLinkSsp2; + params->PchHdaAudioLinkSndw1 = config->PchHdaAudioLinkSndw1; + params->PchHdaAudioLinkSndw2 = config->PchHdaAudioLinkSndw2; + params->PchHdaAudioLinkSndw3 = config->PchHdaAudioLinkSndw3; + params->PchHdaAudioLinkSndw4 = config->PchHdaAudioLinkSndw4; + + /* S0ix */ + params->PchPmSlpS0Enable = config->s0ix_enable; + + /* 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->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; + } + } + + /* Enable xDCI controller if enabled in devicetree and allowed */ + dev = dev_find_slot(0, PCH_DEVFN_USBOTG); + if (!xdci_can_enable()) + dev->enabled = 0; + params->XdciEnable = dev->enabled; + + /* PCI Express */ + for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) { + if (config->PcieClkSrcUsage[i] == 0) + config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED; + } + memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage, + sizeof(config->PcieClkSrcUsage)); + memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq, + sizeof(config->PcieClkSrcClkReq)); + + /* eMMC and SD */ + dev = dev_find_slot(0, PCH_DEVFN_EMMC); + if (!dev) + params->ScsEmmcEnabled = 0; + else { + params->ScsEmmcEnabled = dev->enabled; + params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; + params->PchScsEmmcHs400DllDataValid = config->EmmcHs400DllNeed; + if (config->EmmcHs400DllNeed == 1) { + params->PchScsEmmcHs400RxStrobeDll1 = + config->EmmcHs400RxStrobeDll1; + params->PchScsEmmcHs400TxDataDll = + config->EmmcHs400TxDataDll; + } + } + + dev = dev_find_slot(0, PCH_DEVFN_SDCARD); + if (!dev) + params->ScsSdCardEnabled = 0; + else + params->ScsSdCardEnabled = dev->enabled; + + dev = dev_find_slot(0, PCH_DEVFN_UFS); + if (!dev) + params->ScsUfsEnabled = 0; + else + params->ScsUfsEnabled = dev->enabled; + + params->Heci3Enabled = config->Heci3Enabled; + params->Device4Enable = config->Device4Enable; + params->SkipMpInit = !chip_get_fsp_mp_init(); + + /* VrConfig Settings for 5 domains + * 0 = System Agent, 1 = IA Core, 2 = Ring, + * 3 = GT unsliced, 4 = GT sliced */ + for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) + fill_vr_domain_config(params, i, &config->domain_vr_config[i]); + + /* Vt-D config */ + tconfig->VtdDisable = config->VtdDisable; +} + +/* Mainboard GPIO Configuration */ +__weak void mainboard_silicon_init_params(FSP_S_CONFIG *params) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} |