| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <bootstate.h> |
| #include <intelblocks/cse.h> |
| #include <intelblocks/me.h> |
| #include <console/console.h> |
| #include <stdint.h> |
| |
| /* |
| * This function returns state of manufacturing mode. |
| * |
| * ME manufacturing mode is disabled if the descriptor is locked and fuses |
| * are programmed. Additionally, if the SoC supports manufacturing variable, should be locked. |
| */ |
| static bool is_manufacturing_mode(union me_hfsts1 hfsts1, union me_hfsts6 hfsts6) |
| { |
| #if CONFIG_ME_SPEC <= 13 |
| return !(hfsts1.fields.mfg_mode == 0); |
| #elif CONFIG_ME_SPEC <= 15 |
| return !((hfsts1.fields.mfg_mode == 0) && |
| (hfsts6.fields.fpf_soc_lock == 1)); |
| #else |
| return !((hfsts1.fields.mfg_mode == 0) && |
| (hfsts6.fields.fpf_soc_lock == 1) && |
| (hfsts6.fields.manuf_lock == 1)); |
| #endif |
| } |
| |
| static void dump_me_status(void *unused) |
| { |
| union me_hfsts1 hfsts1; |
| union me_hfsts2 hfsts2; |
| union me_hfsts3 hfsts3; |
| union me_hfsts4 hfsts4; |
| union me_hfsts5 hfsts5; |
| union me_hfsts6 hfsts6; |
| bool manufacturing_mode; |
| |
| if (!is_cse_enabled()) |
| return; |
| |
| hfsts1.data = me_read_config32(PCI_ME_HFSTS1); |
| hfsts2.data = me_read_config32(PCI_ME_HFSTS2); |
| hfsts3.data = me_read_config32(PCI_ME_HFSTS3); |
| hfsts4.data = me_read_config32(PCI_ME_HFSTS4); |
| hfsts5.data = me_read_config32(PCI_ME_HFSTS5); |
| hfsts6.data = me_read_config32(PCI_ME_HFSTS6); |
| |
| printk(BIOS_DEBUG, "ME: HFSTS1 : 0x%08X\n", hfsts1.data); |
| printk(BIOS_DEBUG, "ME: HFSTS2 : 0x%08X\n", hfsts2.data); |
| printk(BIOS_DEBUG, "ME: HFSTS3 : 0x%08X\n", hfsts3.data); |
| printk(BIOS_DEBUG, "ME: HFSTS4 : 0x%08X\n", hfsts4.data); |
| printk(BIOS_DEBUG, "ME: HFSTS5 : 0x%08X\n", hfsts5.data); |
| printk(BIOS_DEBUG, "ME: HFSTS6 : 0x%08X\n", hfsts6.data); |
| |
| manufacturing_mode = is_manufacturing_mode(hfsts1, hfsts6); |
| printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n", |
| manufacturing_mode ? "YES" : "NO"); |
| /* |
| * The SPI Protection Mode bit reflects SPI descriptor |
| * locked(0) or unlocked(1). |
| */ |
| printk(BIOS_DEBUG, "ME: SPI Protection Mode Enabled : %s\n", |
| hfsts1.fields.mfg_mode ? "NO" : "YES"); |
| printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n", |
| hfsts1.fields.fpt_bad ? "BAD" : "OK"); |
| printk(BIOS_DEBUG, "ME: Bringup Loader Failure : %s\n", |
| hfsts1.fields.ft_bup_ld_flr ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Firmware Init Complete : %s\n", |
| hfsts1.fields.fw_init_complete ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Boot Options Present : %s\n", |
| hfsts1.fields.boot_options_present ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Update In Progress : %s\n", |
| hfsts1.fields.update_in_progress ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: D0i3 Support : %s\n", |
| hfsts1.fields.d0i3_support_valid ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Low Power State Enabled : %s\n", |
| hfsts2.fields.low_power_state ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: CPU Replaced : %s\n", |
| hfsts2.fields.cpu_replaced ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: CPU Replacement Valid : %s\n", |
| hfsts2.fields.cpu_replaced_valid ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Current Working State : %u\n", |
| hfsts1.fields.working_state); |
| printk(BIOS_DEBUG, "ME: Current Operation State : %u\n", |
| hfsts1.fields.operation_state); |
| printk(BIOS_DEBUG, "ME: Current Operation Mode : %u\n", |
| hfsts1.fields.operation_mode); |
| printk(BIOS_DEBUG, "ME: Error Code : %u\n", |
| hfsts1.fields.error_code); |
| #if CONFIG_ME_SPEC >= 15 |
| printk(BIOS_DEBUG, "ME: FPFs Committed : %s\n", |
| hfsts6.fields.fpf_soc_lock ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: Enhanced Debug Mode : %s\n", |
| hfsts1.fields.invoke_enhance_dbg_mode ? "YES" : "NO"); |
| #endif |
| |
| #if CONFIG_ME_SPEC <= 16 |
| printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n", |
| hfsts6.fields.cpu_debug_disable ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: TXT Support : %s\n", |
| hfsts6.fields.txt_support ? "YES" : "NO"); |
| #else |
| printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n", |
| hfsts5.fields.cpu_debug_disabled ? "YES" : "NO"); |
| printk(BIOS_DEBUG, "ME: TXT Support : %s\n", |
| hfsts5.fields.txt_support ? "YES" : "NO"); |
| #endif |
| |
| #if CONFIG_ME_SPEC >= 16 |
| printk(BIOS_DEBUG, "ME: Manufacturing Vars Locked : %s\n", |
| hfsts6.fields.manuf_lock ? "YES" : "NO"); |
| if (CONFIG(SOC_INTEL_CSE_LITE_SKU)) |
| cse_log_ro_write_protection_info(manufacturing_mode); |
| #endif |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL); |
| BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL); |