diff options
Diffstat (limited to 'src/soc/intel/denverton_ns/fiamux.c')
| -rw-r--r-- | src/soc/intel/denverton_ns/fiamux.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/soc/intel/denverton_ns/fiamux.c b/src/soc/intel/denverton_ns/fiamux.c new file mode 100644 index 0000000000..282ba030e8 --- /dev/null +++ b/src/soc/intel/denverton_ns/fiamux.c @@ -0,0 +1,140 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 - 2017 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 <console/console.h> +#include <soc/fiamux.h> + +#define FSP_FIAMUX_HOB_GUID \ + { \ + 0x26ad492e, 0xf951, 0x4e43, \ + { \ + 0xbc, 0x72, 0x22, 0x76, 0x58, 0xb1, 0xf6, 0x23 \ + } \ + } + +int get_fiamux_hsio_info(uint16_t num_of_lanes, size_t num_of_entry, + BL_HSIO_INFORMATION **config) +{ + uint8_t entry; + + if ((num_of_lanes == 0) || (num_of_entry == 0) || (*config == NULL)) + return 1; + + for (entry = 0; entry < num_of_entry; entry++) { + if ((*config)[entry].NumLanesSupported == num_of_lanes) { + *config = &(*config)[entry]; + return 0; + } + } + + return 1; +} + +/* +* Display the FIA MUX HOB. +* +* @param Pointer of FIA MUX HOB data +* +* @return None +* +*/ +void print_fiamux_config_hob(BL_FIA_MUX_CONFIG_HOB *fiamux_hob_data) +{ + /* Display the FIA MUX Configuration */ + printk(BIOS_DEBUG, "FIA MUX Configuration in FSP HOB is:\n"); + + printk(BIOS_DEBUG, " FiaMuxConfig.SkuNumLanesAllowed = 0x%x\n", + (uint32_t)(fiamux_hob_data->FiaMuxConfig.SkuNumLanesAllowed)); + + printk(BIOS_DEBUG, " FiaMuxConfig.FiaMuxConfig = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfig + .MuxConfiguration.MeFiaMuxLaneConfig)); + + printk(BIOS_DEBUG, + " FiaMuxConfig.FiaMuxConfig.SataLaneConfiguration = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfig + .SataLaneConfiguration.MeFiaSataLaneConfig)); + + printk(BIOS_DEBUG, " FiaMuxConfig.FiaMuxConfig." + "PcieRootPortsConfiguration = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfig + .PcieRootPortsConfiguration + .MeFiaPcieRootPortsConfig)); + + printk(BIOS_DEBUG, " FiaMuxConfig.FiaMuxConfigRequest = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfigRequest + .MuxConfiguration.MeFiaMuxLaneConfig)); + + printk(BIOS_DEBUG, " FiaMuxConfig.FiaMuxConfigRequest." + "SataLaneConfiguration = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfigRequest + .SataLaneConfiguration.MeFiaSataLaneConfig)); + + printk(BIOS_DEBUG, " FiaMuxConfig.FiaMuxConfigRequest." + "PcieRootPortsConfiguration = 0x%llx\n", + (uint64_t)(fiamux_hob_data->FiaMuxConfig.FiaMuxConfigRequest + .PcieRootPortsConfiguration + .MeFiaPcieRootPortsConfig)); + printk(BIOS_DEBUG, + " FiaMuxConfigStatus.FiaMuxConfigGetStatus = 0x%x\n", + (uint32_t)(fiamux_hob_data->FiaMuxConfigStatus + .FiaMuxConfigGetStatus)); + + printk(BIOS_DEBUG, + " FiaMuxConfigStatus.FiaMuxConfigSetStatus = 0x%x\n", + (uint32_t)(fiamux_hob_data->FiaMuxConfigStatus + .FiaMuxConfigSetStatus)); + + printk(BIOS_DEBUG, + " FiaMuxConfigStatus.FiaMuxConfigSetRequired = 0x%x\n", + (uint8_t)(fiamux_hob_data->FiaMuxConfigStatus + .FiaMuxConfigSetRequired)); +} + +/* +* Get the pointer of FIA MUX HOB data +* +* @param Pointer of FIA MUX HOB data +* +* @return: +* Non-zero - FIA MUX configuration correct. +* Zero - Either FIA MUX configuration incorrect or +* it can not be verified. +*/ +BL_FIA_MUX_CONFIG_HOB *get_fiamux_hob_data(void) +{ + u32 const *fiamux_hob = NULL; + BL_FIA_MUX_CONFIG_HOB *fiamux_hob_data = NULL; + const EFI_GUID fiamux_guid = FSP_FIAMUX_HOB_GUID; + size_t size; + + /* Parse FIA MUX configuration HOB */ + fiamux_hob = fsp_find_extension_hob_by_guid( + (uint8_t const *)&fiamux_guid, &size); + + if (fiamux_hob == NULL) { + /* FIA MUX configuration HOB not exist */ + die("FIA MUX Configuration Data Hob does not present!\n"); + } else { + /* Get FIA MUX configuration HOB */ + fiamux_hob_data = (BL_FIA_MUX_CONFIG_HOB *)(fiamux_hob); + + /* Display FIA MUX configuration HOB */ + print_fiamux_config_hob(fiamux_hob_data); + } + + return fiamux_hob_data; +} |