| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <arch/cpu.h> |
| #include <device/pci_ops.h> |
| #include <console/console.h> |
| #include <device/pci.h> |
| #include <string.h> |
| #include <cpu/intel/microcode.h> |
| #include <cpu/x86/msr.h> |
| #include <soc/cpu.h> |
| #include <soc/pch.h> |
| #include <soc/pci_devs.h> |
| #include <soc/romstage.h> |
| #include <soc/systemagent.h> |
| |
| static struct { |
| u32 cpuid; |
| const char *name; |
| } cpu_table[] = { |
| { CPUID_HASWELL_A0, "Haswell A0" }, |
| { CPUID_HASWELL_B0, "Haswell B0" }, |
| { CPUID_HASWELL_C0, "Haswell C0" }, |
| { CPUID_HASWELL_ULT_B0, "Haswell ULT B0" }, |
| { CPUID_HASWELL_ULT, "Haswell ULT C0 or D0" }, |
| { CPUID_HASWELL_HALO, "Haswell Perf Halo" }, |
| { CPUID_BROADWELL_C0, "Broadwell C0" }, |
| { CPUID_BROADWELL_D0, "Broadwell D0" }, |
| { CPUID_BROADWELL_E0, "Broadwell E0 or F0" }, |
| }; |
| |
| static struct { |
| u8 revid; |
| const char *name; |
| } mch_rev_table[] = { |
| { MCH_BROADWELL_REV_D0, "Broadwell D0" }, |
| { MCH_BROADWELL_REV_E0, "Broadwell E0" }, |
| { MCH_BROADWELL_REV_F0, "Broadwell F0" }, |
| }; |
| |
| static struct { |
| u16 lpcid; |
| const char *name; |
| } pch_table[] = { |
| { PCH_LPT_LP_SAMPLE, "LynxPoint LP Sample" }, |
| { PCH_LPT_LP_PREMIUM, "LynxPoint LP Premium" }, |
| { PCH_LPT_LP_MAINSTREAM, "LynxPoint LP Mainstream" }, |
| { PCH_LPT_LP_VALUE, "LynxPoint LP Value" }, |
| { PCH_WPT_HSW_U_SAMPLE, "Haswell U Sample" }, |
| { PCH_WPT_BDW_U_SAMPLE, "Broadwell U Sample" }, |
| { PCH_WPT_BDW_U_PREMIUM, "Broadwell U Premium" }, |
| { PCH_WPT_BDW_U_BASE, "Broadwell U Base" }, |
| { PCH_WPT_BDW_Y_SAMPLE, "Broadwell Y Sample" }, |
| { PCH_WPT_BDW_Y_PREMIUM, "Broadwell Y Premium" }, |
| { PCH_WPT_BDW_Y_BASE, "Broadwell Y Base" }, |
| { PCH_WPT_BDW_H, "Broadwell H" }, |
| }; |
| |
| static struct { |
| u16 igdid; |
| const char *name; |
| } igd_table[] = { |
| { IGD_HASWELL_ULT_GT1, "Haswell ULT GT1" }, |
| { IGD_HASWELL_ULT_GT2, "Haswell ULT GT2" }, |
| { IGD_HASWELL_ULT_GT3, "Haswell ULT GT3" }, |
| { IGD_BROADWELL_U_GT1, "Broadwell U GT1" }, |
| { IGD_BROADWELL_U_GT2, "Broadwell U GT2" }, |
| { IGD_BROADWELL_U_GT3_15W, "Broadwell U GT3 (15W)" }, |
| { IGD_BROADWELL_U_GT3_28W, "Broadwell U GT3 (28W)" }, |
| { IGD_BROADWELL_Y_GT2, "Broadwell Y GT2" }, |
| { IGD_BROADWELL_H_GT2, "Broadwell U GT2" }, |
| { IGD_BROADWELL_H_GT3, "Broadwell U GT3" }, |
| }; |
| |
| static void report_cpu_info(void) |
| { |
| struct cpuid_result cpuidr; |
| u32 i, index, cpu_id, cpu_feature_flag; |
| char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */ |
| int vt, txt, aes; |
| const char *mode[] = {"NOT ", ""}; |
| const char *cpu_type = "Unknown"; |
| |
| index = 0x80000000; |
| cpuidr = cpuid(index); |
| if (cpuidr.eax < 0x80000004) { |
| strcpy(cpu_string, "Platform info not available"); |
| } else { |
| u32 *p = (u32 *)cpu_string; |
| for (i = 2; i <= 4 ; i++) { |
| cpuidr = cpuid(index + i); |
| *p++ = cpuidr.eax; |
| *p++ = cpuidr.ebx; |
| *p++ = cpuidr.ecx; |
| *p++ = cpuidr.edx; |
| } |
| } |
| /* Skip leading spaces in CPU name string */ |
| while (cpu_name[0] == ' ') |
| cpu_name++; |
| |
| cpu_id = cpu_get_cpuid(); |
| |
| /* Look for string to match the name */ |
| for (i = 0; i < ARRAY_SIZE(cpu_table); i++) { |
| if (cpu_table[i].cpuid == cpu_id) { |
| cpu_type = cpu_table[i].name; |
| break; |
| } |
| } |
| |
| printk(BIOS_DEBUG, "CPU: %s\n", cpu_name); |
| printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n", |
| cpu_id, cpu_type, get_current_microcode_rev()); |
| |
| cpu_feature_flag = cpu_get_feature_flags_ecx(); |
| aes = (cpu_feature_flag & CPUID_AES) ? 1 : 0; |
| txt = (cpu_feature_flag & CPUID_SMX) ? 1 : 0; |
| vt = (cpu_feature_flag & CPUID_VMX) ? 1 : 0; |
| printk(BIOS_DEBUG, "CPU: AES %ssupported, TXT %ssupported, " |
| "VT %ssupported\n", mode[aes], mode[txt], mode[vt]); |
| } |
| |
| static void report_mch_info(void) |
| { |
| int i; |
| u16 mch_device = pci_read_config16(SA_DEV_ROOT, PCI_DEVICE_ID); |
| u8 mch_revision = pci_read_config8(SA_DEV_ROOT, PCI_REVISION_ID); |
| const char *mch_type = "Unknown"; |
| |
| /* Look for string to match the revision for Broadwell U/Y */ |
| if (mch_device == MCH_BROADWELL_ID_U_Y) { |
| for (i = 0; i < ARRAY_SIZE(mch_rev_table); i++) { |
| if (mch_rev_table[i].revid == mch_revision) { |
| mch_type = mch_rev_table[i].name; |
| break; |
| } |
| } |
| } |
| |
| printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", |
| mch_device, mch_revision, mch_type); |
| } |
| |
| static void report_pch_info(void) |
| { |
| int i; |
| u16 lpcid = pch_type(); |
| const char *pch_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(pch_table); i++) { |
| if (pch_table[i].lpcid == lpcid) { |
| pch_type = pch_table[i].name; |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", |
| lpcid, pch_revision(), pch_type); |
| } |
| |
| static void report_igd_info(void) |
| { |
| int i; |
| u16 igdid = pci_read_config16(SA_DEV_IGD, PCI_DEVICE_ID); |
| const char *igd_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(igd_table); i++) { |
| if (igd_table[i].igdid == igdid) { |
| igd_type = igd_table[i].name; |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n", |
| igdid, pci_read_config8(SA_DEV_IGD, PCI_REVISION_ID), igd_type); |
| } |
| |
| void report_platform_info(void) |
| { |
| report_cpu_info(); |
| report_mch_info(); |
| report_pch_info(); |
| report_igd_info(); |
| } |