diff options
Diffstat (limited to 'arch/x86/cpu/intel_common')
| -rw-r--r-- | arch/x86/cpu/intel_common/Makefile | 2 | ||||
| -rw-r--r-- | arch/x86/cpu/intel_common/me_status.c | 213 | ||||
| -rw-r--r-- | arch/x86/cpu/intel_common/report_platform.c | 90 |
3 files changed, 305 insertions, 0 deletions
diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile index 06de964..1918ca3 100644 --- a/arch/x86/cpu/intel_common/Makefile +++ b/arch/x86/cpu/intel_common/Makefile @@ -7,6 +7,8 @@ obj-$(CONFIG_HAVE_MRC) += car.o obj-y += cpu.o obj-y += lpc.o +obj-$(CONFIG_HAVE_MRC) += me_status.o ifndef CONFIG_TARGET_EFI obj-y += microcode.o endif +obj-$(CONFIG_HAVE_MRC) += report_platform.o diff --git a/arch/x86/cpu/intel_common/me_status.c b/arch/x86/cpu/intel_common/me_status.c new file mode 100644 index 0000000..130d219 --- /dev/null +++ b/arch/x86/cpu/intel_common/me_status.c @@ -0,0 +1,213 @@ +/* + * From Coreboot src/southbridge/intel/bd82x6x/me_status.c + * + * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/arch/me.h> + +/* HFS1[3:0] Current Working State Values */ +static const char *const me_cws_values[] = { + [ME_HFS_CWS_RESET] = "Reset", + [ME_HFS_CWS_INIT] = "Initializing", + [ME_HFS_CWS_REC] = "Recovery", + [ME_HFS_CWS_NORMAL] = "Normal", + [ME_HFS_CWS_WAIT] = "Platform Disable Wait", + [ME_HFS_CWS_TRANS] = "OP State Transition", + [ME_HFS_CWS_INVALID] = "Invalid CPU Plugged In" +}; + +/* HFS1[8:6] Current Operation State Values */ +static const char *const me_opstate_values[] = { + [ME_HFS_STATE_PREBOOT] = "Preboot", + [ME_HFS_STATE_M0_UMA] = "M0 with UMA", + [ME_HFS_STATE_M3] = "M3 without UMA", + [ME_HFS_STATE_M0] = "M0 without UMA", + [ME_HFS_STATE_BRINGUP] = "Bring up", + [ME_HFS_STATE_ERROR] = "M0 without UMA but with error" +}; + +/* HFS[19:16] Current Operation Mode Values */ +static const char *const me_opmode_values[] = { + [ME_HFS_MODE_NORMAL] = "Normal", + [ME_HFS_MODE_DEBUG] = "Debug", + [ME_HFS_MODE_DIS] = "Soft Temporary Disable", + [ME_HFS_MODE_OVER_JMPR] = "Security Override via Jumper", + [ME_HFS_MODE_OVER_MEI] = "Security Override via MEI Message" +}; + +/* HFS[15:12] Error Code Values */ +static const char *const me_error_values[] = { + [ME_HFS_ERROR_NONE] = "No Error", + [ME_HFS_ERROR_UNCAT] = "Uncategorized Failure", + [ME_HFS_ERROR_IMAGE] = "Image Failure", + [ME_HFS_ERROR_DEBUG] = "Debug Failure" +}; + +/* GMES[31:28] ME Progress Code */ +static const char *const me_progress_values[] = { + [ME_GMES_PHASE_ROM] = "ROM Phase", + [ME_GMES_PHASE_BUP] = "BUP Phase", + [ME_GMES_PHASE_UKERNEL] = "uKernel Phase", + [ME_GMES_PHASE_POLICY] = "Policy Module", + [ME_GMES_PHASE_MODULE] = "Module Loading", + [ME_GMES_PHASE_UNKNOWN] = "Unknown", + [ME_GMES_PHASE_HOST] = "Host Communication" +}; + +/* GMES[27:24] Power Management Event */ +static const char *const me_pmevent_values[] = { + [0x00] = "Clean Moff->Mx wake", + [0x01] = "Moff->Mx wake after an error", + [0x02] = "Clean global reset", + [0x03] = "Global reset after an error", + [0x04] = "Clean Intel ME reset", + [0x05] = "Intel ME reset due to exception", + [0x06] = "Pseudo-global reset", + [0x07] = "S0/M0->Sx/M3", + [0x08] = "Sx/M3->S0/M0", + [0x09] = "Non-power cycle reset", + [0x0a] = "Power cycle reset through M3", + [0x0b] = "Power cycle reset through Moff", + [0x0c] = "Sx/Mx->Sx/Moff" +}; + +/* Progress Code 0 states */ +static const char *const me_progress_rom_values[] = { + [0x00] = "BEGIN", + [0x06] = "DISABLE" +}; + +/* Progress Code 1 states */ +static const char *const me_progress_bup_values[] = { + [0x00] = "Initialization starts", + [0x01] = "Disable the host wake event", + [0x04] = "Flow determination start process", + [0x08] = "Error reading/matching the VSCC table in the descriptor", + [0x0a] = "Check to see if straps say ME DISABLED", + [0x0b] = "Timeout waiting for PWROK", + [0x0d] = "Possibly handle BUP manufacturing override strap", + [0x11] = "Bringup in M3", + [0x12] = "Bringup in M0", + [0x13] = "Flow detection error", + [0x15] = "M3 clock switching error", + [0x18] = "M3 kernel load", + [0x1c] = "T34 missing - cannot program ICC", + [0x1f] = "Waiting for DID BIOS message", + [0x20] = "Waiting for DID BIOS message failure", + [0x21] = "DID reported an error", + [0x22] = "Enabling UMA", + [0x23] = "Enabling UMA error", + [0x24] = "Sending DID Ack to BIOS", + [0x25] = "Sending DID Ack to BIOS error", + [0x26] = "Switching clocks in M0", + [0x27] = "Switching clocks in M0 error", + [0x28] = "ME in temp disable", + [0x32] = "M0 kernel load", +}; + +/* Progress Code 3 states */ +static const char *const me_progress_policy_values[] = { + [0x00] = "Entery into Policy Module", + [0x03] = "Received S3 entry", + [0x04] = "Received S4 entry", + [0x05] = "Received S5 entry", + [0x06] = "Received UPD entry", + [0x07] = "Received PCR entry", + [0x08] = "Received NPCR entry", + [0x09] = "Received host wake", + [0x0a] = "Received AC<>DC switch", + [0x0b] = "Received DRAM Init Done", + [0x0c] = "VSCC Data not found for flash device", + [0x0d] = "VSCC Table is not valid", + [0x0e] = "Flash Partition Boundary is outside address space", + [0x0f] = "ME cannot access the chipset descriptor region", + [0x10] = "Required VSCC values for flash parts do not match", +}; + + +/** + * _intel_me_status() - Check Intel Management Engine status + * + * struct hfs: Firmware status + * struct gmes: Management engine status + */ +static void _intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes) +{ + /* Check Current States */ + debug("ME: FW Partition Table : %s\n", + hfs->fpt_bad ? "BAD" : "OK"); + debug("ME: Bringup Loader Failure : %s\n", + hfs->ft_bup_ld_flr ? "YES" : "NO"); + debug("ME: Firmware Init Complete : %s\n", + hfs->fw_init_complete ? "YES" : "NO"); + debug("ME: Manufacturing Mode : %s\n", + hfs->mfg_mode ? "YES" : "NO"); + debug("ME: Boot Options Present : %s\n", + hfs->boot_options_present ? "YES" : "NO"); + debug("ME: Update In Progress : %s\n", + hfs->update_in_progress ? "YES" : "NO"); + debug("ME: Current Working State : %s\n", + me_cws_values[hfs->working_state]); + debug("ME: Current Operation State : %s\n", + me_opstate_values[hfs->operation_state]); + debug("ME: Current Operation Mode : %s\n", + me_opmode_values[hfs->operation_mode]); + debug("ME: Error Code : %s\n", + me_error_values[hfs->error_code]); + debug("ME: Progress Phase : %s\n", + me_progress_values[gmes->progress_code]); + debug("ME: Power Management Event : %s\n", + me_pmevent_values[gmes->current_pmevent]); + + debug("ME: Progress Phase State : "); + switch (gmes->progress_code) { + case ME_GMES_PHASE_ROM: /* ROM Phase */ + debug("%s", me_progress_rom_values[gmes->current_state]); + break; + + case ME_GMES_PHASE_BUP: /* Bringup Phase */ + if (gmes->current_state < ARRAY_SIZE(me_progress_bup_values) && + me_progress_bup_values[gmes->current_state]) + debug("%s", + me_progress_bup_values[gmes->current_state]); + else + debug("0x%02x", gmes->current_state); + break; + + case ME_GMES_PHASE_POLICY: /* Policy Module Phase */ + if (gmes->current_state < + ARRAY_SIZE(me_progress_policy_values) && + me_progress_policy_values[gmes->current_state]) + debug("%s", + me_progress_policy_values[gmes->current_state]); + else + debug("0x%02x", gmes->current_state); + break; + + case ME_GMES_PHASE_HOST: /* Host Communication Phase */ + if (!gmes->current_state) + debug("Host communication established"); + else + debug("0x%02x", gmes->current_state); + break; + + default: + debug("Unknown 0x%02x", gmes->current_state); + } + debug("\n"); +} + +void intel_me_status(struct udevice *me_dev) +{ + struct me_hfs hfs; + struct me_gmes gmes; + + pci_read_dword_ptr(me_dev, &hfs, PCI_ME_HFS); + pci_read_dword_ptr(me_dev, &gmes, PCI_ME_GMES); + + _intel_me_status(&hfs, &gmes); +} diff --git a/arch/x86/cpu/intel_common/report_platform.c b/arch/x86/cpu/intel_common/report_platform.c new file mode 100644 index 0000000..05e1cf9 --- /dev/null +++ b/arch/x86/cpu/intel_common/report_platform.c @@ -0,0 +1,90 @@ +/* + * From Coreboot src/northbridge/intel/sandybridge/report_platform.c + * + * Copyright (C) 2012 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/cpu.h> +#include <asm/pci.h> +#include <asm/report_platform.h> +#include <asm/arch/pch.h> + +static void report_cpu_info(void) +{ + char cpu_string[CPU_MAX_NAME_LEN], *cpu_name; + const char *mode[] = {"NOT ", ""}; + struct cpuid_result cpuidr; + int vt, txt, aes; + u32 index; + + index = 0x80000000; + cpuidr = cpuid(index); + if (cpuidr.eax < 0x80000004) { + strcpy(cpu_string, "Platform info not available"); + cpu_name = cpu_string; + } else { + cpu_name = cpu_get_name(cpu_string); + } + + cpuidr = cpuid(1); + debug("CPU id(%x): %s\n", cpuidr.eax, cpu_name); + aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; + txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; + vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; + debug("AES %ssupported, TXT %ssupported, VT %ssupported\n", + mode[aes], mode[txt], mode[vt]); +} + +/* The PCI id name match comes from Intel document 472178 */ +static struct { + u16 dev_id; + const char *dev_name; +} pch_table[] = { + {0x1E41, "Desktop Sample"}, + {0x1E42, "Mobile Sample"}, + {0x1E43, "SFF Sample"}, + {0x1E44, "Z77"}, + {0x1E45, "H71"}, + {0x1E46, "Z75"}, + {0x1E47, "Q77"}, + {0x1E48, "Q75"}, + {0x1E49, "B75"}, + {0x1E4A, "H77"}, + {0x1E53, "C216"}, + {0x1E55, "QM77"}, + {0x1E56, "QS77"}, + {0x1E58, "UM77"}, + {0x1E57, "HM77"}, + {0x1E59, "HM76"}, + {0x1E5D, "HM75"}, + {0x1E5E, "HM70"}, + {0x1E5F, "NM70"}, +}; + +static void report_pch_info(struct udevice *dev) +{ + const char *pch_type = "Unknown"; + int i; + u16 dev_id; + uint8_t rev_id; + + dm_pci_read_config16(dev, 2, &dev_id); + for (i = 0; i < ARRAY_SIZE(pch_table); i++) { + if (pch_table[i].dev_id == dev_id) { + pch_type = pch_table[i].dev_name; + break; + } + } + dm_pci_read_config8(dev, 8, &rev_id); + debug("PCH type: %s, device id: %x, rev id %x\n", pch_type, dev_id, + rev_id); +} + +void report_platform_info(struct udevice *dev) +{ + report_cpu_info(); + report_pch_info(dev); +} |