Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <bootstate.h> |
| 4 | #include <intelblocks/cse.h> |
| 5 | #include <console/console.h> |
| 6 | #include <soc/me.h> |
| 7 | #include <stdint.h> |
| 8 | |
| 9 | /* Host Firmware Status Register 2 */ |
| 10 | union me_hfsts2 { |
| 11 | uint32_t data; |
| 12 | struct { |
| 13 | uint32_t nftp_load_failure : 1; |
| 14 | uint32_t icc_prog_status : 2; |
| 15 | uint32_t invoke_mebx : 1; |
| 16 | uint32_t cpu_replaced : 1; |
| 17 | uint32_t rsvd0 : 1; |
| 18 | uint32_t mfs_failure : 1; |
| 19 | uint32_t warm_reset_rqst : 1; |
| 20 | uint32_t cpu_replaced_valid : 1; |
| 21 | uint32_t low_power_state : 1; |
| 22 | uint32_t me_power_gate : 1; |
| 23 | uint32_t ipu_needed : 1; |
| 24 | uint32_t forced_safe_boot : 1; |
| 25 | uint32_t rsvd1 : 2; |
| 26 | uint32_t listener_change : 1; |
| 27 | uint32_t status_data : 8; |
| 28 | uint32_t current_pmevent : 4; |
| 29 | uint32_t phase : 4; |
| 30 | } __packed fields; |
| 31 | }; |
| 32 | |
| 33 | /* Host Firmware Status Register 4 */ |
| 34 | union me_hfsts4 { |
| 35 | uint32_t data; |
| 36 | struct { |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 37 | uint32_t rsvd0 : 1; |
| 38 | uint32_t flash_log_exist : 1; |
| 39 | uint32_t rsvd1 : 30; |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 40 | } __packed fields; |
| 41 | }; |
| 42 | |
| 43 | /* Host Firmware Status Register 5 */ |
| 44 | union me_hfsts5 { |
| 45 | uint32_t data; |
| 46 | struct { |
| 47 | uint32_t acm_active : 1; |
| 48 | uint32_t valid : 1; |
| 49 | uint32_t result_code_source : 1; |
| 50 | uint32_t error_status_code : 5; |
| 51 | uint32_t acm_done_sts : 1; |
| 52 | uint32_t timeout_count : 7; |
| 53 | uint32_t scrtm_indicator : 1; |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 54 | uint32_t txt_support : 1; |
| 55 | uint32_t btg_profile : 3; |
| 56 | uint32_t cpu_debug_disabled : 1; |
| 57 | uint32_t bsp_init_disabled : 1; |
| 58 | /* BSP Boot Policy Manifest Execution Status */ |
| 59 | uint32_t bsp_bpm_exe_sts : 1; |
| 60 | uint32_t btg_token_applied : 1; |
| 61 | uint32_t btg_status : 4; |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 62 | uint32_t rsvd0 : 2; |
| 63 | uint32_t start_enforcement : 1; |
| 64 | } __packed fields; |
| 65 | }; |
| 66 | |
| 67 | /* Host Firmware Status Register 6 */ |
| 68 | union me_hfsts6 { |
| 69 | uint32_t data; |
| 70 | struct { |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 71 | uint32_t rsvd0 : 21; |
| 72 | uint32_t manuf_lock : 1; |
| 73 | uint32_t rsvd2 : 8; |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 74 | uint32_t fpf_soc_lock : 1; |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 75 | uint32_t sx_resume_type : 1; |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 76 | } __packed fields; |
| 77 | }; |
| 78 | |
Kapil Porwal | 6cecb0d | 2022-11-17 14:53:26 +0530 | [diff] [blame] | 79 | static bool is_manufacturing_mode(union me_hfsts1 hfsts1, union me_hfsts6 hfsts6) |
Sridhar Siricilla | 0c92373 | 2022-11-14 17:25:37 +0530 | [diff] [blame] | 80 | { |
Kapil Porwal | 6cecb0d | 2022-11-17 14:53:26 +0530 | [diff] [blame] | 81 | /* |
| 82 | * ME manufacturing mode is disabled if the descriptor is locked, fuses |
| 83 | * are programmed and manufacturing variables are locked. |
| 84 | */ |
| 85 | return !((hfsts1.fields.mfg_mode == 0) && |
| 86 | (hfsts6.fields.fpf_soc_lock == 1) && |
| 87 | (hfsts6.fields.manuf_lock == 1)); |
Sridhar Siricilla | 0c92373 | 2022-11-14 17:25:37 +0530 | [diff] [blame] | 88 | } |
| 89 | |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 90 | static void dump_me_status(void *unused) |
| 91 | { |
| 92 | union me_hfsts1 hfsts1; |
| 93 | union me_hfsts2 hfsts2; |
| 94 | union me_hfsts3 hfsts3; |
| 95 | union me_hfsts4 hfsts4; |
| 96 | union me_hfsts5 hfsts5; |
| 97 | union me_hfsts6 hfsts6; |
Kapil Porwal | 6cecb0d | 2022-11-17 14:53:26 +0530 | [diff] [blame] | 98 | bool manufacturing_mode; |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 99 | |
| 100 | if (!is_cse_enabled()) |
| 101 | return; |
| 102 | |
| 103 | hfsts1.data = me_read_config32(PCI_ME_HFSTS1); |
| 104 | hfsts2.data = me_read_config32(PCI_ME_HFSTS2); |
| 105 | hfsts3.data = me_read_config32(PCI_ME_HFSTS3); |
| 106 | hfsts4.data = me_read_config32(PCI_ME_HFSTS4); |
| 107 | hfsts5.data = me_read_config32(PCI_ME_HFSTS5); |
| 108 | hfsts6.data = me_read_config32(PCI_ME_HFSTS6); |
| 109 | |
| 110 | printk(BIOS_DEBUG, "ME: HFSTS1 : 0x%08X\n", hfsts1.data); |
| 111 | printk(BIOS_DEBUG, "ME: HFSTS2 : 0x%08X\n", hfsts2.data); |
| 112 | printk(BIOS_DEBUG, "ME: HFSTS3 : 0x%08X\n", hfsts3.data); |
| 113 | printk(BIOS_DEBUG, "ME: HFSTS4 : 0x%08X\n", hfsts4.data); |
| 114 | printk(BIOS_DEBUG, "ME: HFSTS5 : 0x%08X\n", hfsts5.data); |
| 115 | printk(BIOS_DEBUG, "ME: HFSTS6 : 0x%08X\n", hfsts6.data); |
| 116 | |
Kapil Porwal | 6cecb0d | 2022-11-17 14:53:26 +0530 | [diff] [blame] | 117 | manufacturing_mode = is_manufacturing_mode(hfsts1, hfsts6); |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 118 | printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n", |
Kapil Porwal | 6cecb0d | 2022-11-17 14:53:26 +0530 | [diff] [blame] | 119 | manufacturing_mode ? "YES" : "NO"); |
Sridhar Siricilla | 0c92373 | 2022-11-14 17:25:37 +0530 | [diff] [blame] | 120 | |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 121 | /* |
| 122 | * The SPI Protection Mode bit reflects SPI descriptor |
| 123 | * locked(0) or unlocked(1). |
| 124 | */ |
| 125 | printk(BIOS_DEBUG, "ME: SPI Protection Mode Enabled : %s\n", |
| 126 | hfsts1.fields.mfg_mode ? "NO" : "YES"); |
Kapil Porwal | 07adfa6 | 2022-11-17 15:00:49 +0530 | [diff] [blame] | 127 | printk(BIOS_DEBUG, "ME: FPFs Committed : %s\n", |
| 128 | hfsts6.fields.fpf_soc_lock ? "YES" : "NO"); |
| 129 | printk(BIOS_DEBUG, "ME: Manufacturing Vars Locked : %s\n", |
| 130 | hfsts6.fields.manuf_lock ? "YES" : "NO"); |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 131 | printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n", |
| 132 | hfsts1.fields.fpt_bad ? "BAD" : "OK"); |
| 133 | printk(BIOS_DEBUG, "ME: Bringup Loader Failure : %s\n", |
| 134 | hfsts1.fields.ft_bup_ld_flr ? "YES" : "NO"); |
| 135 | printk(BIOS_DEBUG, "ME: Firmware Init Complete : %s\n", |
| 136 | hfsts1.fields.fw_init_complete ? "YES" : "NO"); |
| 137 | printk(BIOS_DEBUG, "ME: Boot Options Present : %s\n", |
| 138 | hfsts1.fields.boot_options_present ? "YES" : "NO"); |
| 139 | printk(BIOS_DEBUG, "ME: Update In Progress : %s\n", |
| 140 | hfsts1.fields.update_in_progress ? "YES" : "NO"); |
| 141 | printk(BIOS_DEBUG, "ME: D0i3 Support : %s\n", |
| 142 | hfsts1.fields.d0i3_support_valid ? "YES" : "NO"); |
| 143 | printk(BIOS_DEBUG, "ME: Low Power State Enabled : %s\n", |
| 144 | hfsts2.fields.low_power_state ? "YES" : "NO"); |
| 145 | printk(BIOS_DEBUG, "ME: CPU Replaced : %s\n", |
| 146 | hfsts2.fields.cpu_replaced ? "YES" : "NO"); |
| 147 | printk(BIOS_DEBUG, "ME: CPU Replacement Valid : %s\n", |
| 148 | hfsts2.fields.cpu_replaced_valid ? "YES" : "NO"); |
| 149 | printk(BIOS_DEBUG, "ME: Current Working State : %u\n", |
| 150 | hfsts1.fields.working_state); |
| 151 | printk(BIOS_DEBUG, "ME: Current Operation State : %u\n", |
| 152 | hfsts1.fields.operation_state); |
| 153 | printk(BIOS_DEBUG, "ME: Current Operation Mode : %u\n", |
| 154 | hfsts1.fields.operation_mode); |
| 155 | printk(BIOS_DEBUG, "ME: Error Code : %u\n", |
| 156 | hfsts1.fields.error_code); |
| 157 | printk(BIOS_DEBUG, "ME: Enhanced Debug Mode : %s\n", |
| 158 | hfsts1.fields.invoke_enhance_dbg_mode ? "YES" : "NO"); |
| 159 | printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n", |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 160 | hfsts5.fields.cpu_debug_disabled ? "YES" : "NO"); |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 161 | printk(BIOS_DEBUG, "ME: TXT Support : %s\n", |
Sridhar Siricilla | 026f86b | 2022-11-14 19:36:19 +0530 | [diff] [blame] | 162 | hfsts5.fields.txt_support ? "YES" : "NO"); |
Kapil Porwal | 634d88c | 2022-11-17 15:04:28 +0530 | [diff] [blame^] | 163 | |
| 164 | if (CONFIG(SOC_INTEL_CSE_LITE_SKU)) |
| 165 | cse_log_ro_write_protection_info(manufacturing_mode); |
Ravi Sarawadi | 91ffac8 | 2022-05-07 16:37:09 -0700 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL); |
| 169 | BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL); |