| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <drivers/vpd/vpd.h> |
| #include <drivers/ocp/ewl/ocp_ewl.h> |
| #include <drivers/ocp/include/vpd.h> |
| #include <soc/romstage.h> |
| #include <defs_cxl.h> |
| #include <defs_iio.h> |
| #include <sprsp_ac_iio.h> |
| |
| void mainboard_ewl_check(void) |
| { |
| get_ewl(); |
| } |
| |
| static void mainboard_config_iio(FSPM_UPD *mupd) |
| { |
| /* If CONFIG(OCP_VPD) is not enabled or CXL is explicitly disabled, don't enable CXL */ |
| if (!CONFIG(OCP_VPD) || get_cxl_mode_from_vpd() == CXL_DISABLED) { |
| printk(BIOS_DEBUG, "Don't enable CXL via VPD %s\n", CXL_MODE); |
| } else { |
| /* Set socket 0 IIO PCIe PE1 to CXL mode */ |
| /* Set socket 1 IIO PCIe PE0 to CXL mode */ |
| /* eg. Protocl Auto Negotiation */ |
| mupd->FspmConfig.IioPcieSubSystemMode1[0] = IIO_MODE_CXL; |
| mupd->FspmConfig.IioPcieSubSystemMode0[1] = IIO_MODE_CXL; |
| |
| mupd->FspmConfig.DfxCxlHeaderBypass = 0; |
| mupd->FspmConfig.DfxCxlSecLvl = CXL_SECURITY_FULLY_TRUSTED; |
| |
| mupd->FspmConfig.DelayAfterPCIeLinkTraining = 2000; /* ms */ |
| } |
| } |
| |
| void mainboard_memory_init_params(FSPM_UPD *mupd) |
| { |
| uint8_t val; |
| |
| /* Send FSP log message to SOL */ |
| if (CONFIG(VPD) && vpd_get_bool(FSP_LOG, VPD_RW_THEN_RO, &val)) |
| mupd->FspmConfig.SerialIoUartDebugEnable = val; |
| else { |
| printk(BIOS_INFO, "Not able to get VPD %s, default set SerialIoUartDebugEnable to %d\n", |
| FSP_LOG, FSP_LOG_DEFAULT); |
| mupd->FspmConfig.SerialIoUartDebugEnable = FSP_LOG_DEFAULT; |
| } |
| |
| /* Set Rank Margin Tool to disable. */ |
| mupd->FspmConfig.EnableRMT = 0x0; |
| /* Enable - Portions of memory reference code will be skipped |
| * when possible to increase boot speed on warm boots. |
| * Disable - Disables this feature. |
| * Auto - Sets it to the MRC default setting. |
| */ |
| mupd->FspmConfig.AttemptFastBoot = 0x1; |
| mupd->FspmConfig.AttemptFastBootCold = 0x1; |
| |
| /* Set Adv MemTest Option to 0. */ |
| mupd->FspmConfig.AdvMemTestOptions = 0x0; |
| /* Set MRC Promote Warnings to disable. |
| Determines if MRC warnings are promoted to system level. */ |
| mupd->FspmConfig.promoteMrcWarnings = 0x0; |
| /* Set Promote Warnings to disable. |
| Determines if warnings are promoted to system level. */ |
| mupd->FspmConfig.promoteWarnings = 0x0; |
| soc_config_iio(mupd, ac_iio_pci_port, ac_iio_bifur); |
| mainboard_config_iio(mupd); |
| } |