1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 3 #ifndef OCP_VPD_H 4 #define OCP_VPD_H 5 6 #include <include/types.h> 7 8 /* VPD variable for enabling/disabling FRB2 timer. 1/0: Enable/disable */ 9 #define FRB2_TIMER "frb2_timer_enable" 10 #define FRB2_TIMER_DEFAULT 1 /* Default value when the VPD variable is not found */ 11 12 /* VPD variable for setting FRB2 timer countdown value (unit: 100ms). */ 13 #define FRB2_COUNTDOWN "frb2_countdown" 14 /* Default countdown is 15 minutes when the VPD variable is not found */ 15 #define FRB2_COUNTDOWN_DEFAULT 9000 16 17 /* VPD variable for setting FRB2 timer action. 18 0: No action, 1: hard reset, 2: power down, 3: power cycle */ 19 #define FRB2_ACTION "frb2_action" 20 #define FRB2_ACTION_DEFAULT 0 /* Default no action when the VPD variable is not found */ 21 22 /* coreboot log level */ 23 #define COREBOOT_LOG_LEVEL "coreboot_log_level" 24 #define COREBOOT_LOG_LEVEL_DEFAULT 4 25 26 /* Define the VPD keys for UPD variables that can be overwritten */ 27 #define FSP_LOG "fsp_log_enable" /* 1 or 0: enable or disable FSP SOL log */ 28 #define FSP_LOG_DEFAULT 1 /* Default value when the VPD variable is not found */ 29 30 /* Select Memory Serial Debug Message Level. 31 0:Disable, 1:Minimum, 2:Normal, 3:Maximum, 4:Auto */ 32 #define FSP_MEM_LOG_LEVEL "fsp_mem_log_lvl" 33 #define FSP_MEM_LOG_LEVEL_DEFAULT 1 34 35 /* VPD variable for enabling/disabling MRC promote warning in FSP. 36 System may upgrade memory training warning to fatal error when enabled. 37 0: Disable, 1: Enable */ 38 #define MRC_PROMOTE_WARNING "mrc_promote_warning" 39 #define MRC_PROMOTE_WARNING_DEFAULT 1 40 41 /* SMM log level */ 42 #define SMM_LOG_LEVEL "smm_log_level" 43 #define SMM_LOG_LEVEL_DEFAULT 0 /* By default 0 would disable SMM log completely */ 44 45 /* FSP Dfx PMIC secure mode. 46 0:Disable Pmic Secure Mode, 1:Enable Pmic Secure Mode, 2:Auto Pmic Secure Mode */ 47 #define FSP_PMIC_SECURE_MODE "fsp_pmic_mode" 48 #define FSP_PMIC_SECURE_MODE_DEFAULT 2 49 50 enum cxl_memory_mode { 51 CXL_DISABLED = 0, 52 CXL_SYSTEM_MEMORY = 1, 53 CXL_SPM = 2, 54 CXL_MODE_MAX, 55 }; 56 57 /* CXL mode. 0: Disable CXL, 1: configured as system memory, 2: configured as SPM. */ 58 #define CXL_MODE "cxl_mode" 59 #define CXL_MODE_DEFAULT CXL_SYSTEM_MEMORY /* By default configured as system memory */ 60 61 /* Skip TXT lockdown */ 62 #define SKIP_INTEL_TXT_LOCKDOWN "skip_intel_txt_lockdown" 63 #define SKIP_INTEL_TXT_LOCKDOWN_DEFAULT 0 64 65 /* Disable boot drive PCIe root port for testing */ 66 #define DISABLE_BOOTDRIVE "disable_bootdrive" 67 #define DISABLE_BOOTDRIVE_DEFAULT 0 /* By default don't disable */ 68 69 /* Skip Global reset so that information in Previous Boot Error HOB won't be cleared */ 70 #define SKIP_GLOBAL_RESET "skip_global_reset" 71 #define SKIP_GLOBAL_RESET_DEFAULT 1 72 73 /* Disable memory poison */ 74 #define DISABLE_MEM_POISON "disable_mem_poison" 75 #define DISABLE_MEM_POISON_DEFAULT 0 76 77 /* Socket 0 core disable bitmask, set 1 to disable core */ 78 #define CORE_DIS_BITMSK0 "core_disable_bitmask0" 79 /* Socket 1 core disable bitmask */ 80 #define CORE_DIS_BITMSK1 "core_disable_bitmask1" 81 82 /* Linux payload kernel log level */ 83 #define KERNEL_LOG_LEVEL "kernel_log_level" 84 85 /* Get VPD key with provided fallback value and min/max ranges */ 86 int get_int_from_vpd_range(const char *const key, const int fallback, const int min, 87 const int max); 88 bool get_bool_from_vpd(const char *const key, const bool fallback); 89 int get_cxl_mode_from_vpd(void); 90 int get_loglevel_from_vpd(const char *const key, const int fallback); 91 #endif 92