src/drivers/ocp/include/vpd.h

   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