| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <arch/cpu.h> |
| #include <device/pci_ops.h> |
| #include <console/console.h> |
| #include <cpu/x86/msr.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <intelblocks/mp_init.h> |
| #include <soc/bootblock.h> |
| #include <soc/pch.h> |
| #include <soc/pci_devs.h> |
| #include <string.h> |
| |
| #define BIOS_SIGN_ID 0x8B |
| |
| static struct { |
| u32 cpuid; |
| const char *name; |
| } cpu_table[] = { |
| { CPUID_JASPERLAKE_A0, "Jasperlake A0" }, |
| }; |
| |
| static struct { |
| u16 mchid; |
| const char *name; |
| } mch_table[] = { |
| { PCI_DEVICE_ID_INTEL_JSL_ID_1, "Jasperlake SKU4-1" }, |
| { PCI_DEVICE_ID_INTEL_JSL_ID_2, "Jasperlake SKU4-2" }, |
| { PCI_DEVICE_ID_INTEL_JSL_ID_3, "Jasperlake SKU2-1" }, |
| { PCI_DEVICE_ID_INTEL_JSL_ID_4, "Jasperlake SKU2-2" }, |
| }; |
| |
| static struct { |
| u16 espiid; |
| const char *name; |
| } pch_table[] = { |
| { PCI_DEVICE_ID_INTEL_JSP_SUPER_ESPI, "Jasperlake Super" }, |
| }; |
| |
| static struct { |
| u16 igdid; |
| const char *name; |
| } igd_table[] = { |
| { PCI_DEVICE_ID_INTEL_JSL_GT1, "Jasperlake GT1" }, |
| { PCI_DEVICE_ID_INTEL_JSL_GT2, "Jasperlake GT2" }, |
| }; |
| |
| static inline uint8_t get_dev_revision(pci_devfn_t dev) |
| { |
| return pci_read_config8(dev, PCI_REVISION_ID); |
| } |
| |
| static inline uint16_t get_dev_id(pci_devfn_t dev) |
| { |
| return pci_read_config16(dev, PCI_DEVICE_ID); |
| } |
| |
| static void report_cpu_info(void) |
| { |
| struct cpuid_result cpuidr; |
| u32 i, index, cpu_id, cpu_feature_flag; |
| const char cpu_not_found[] = "Platform info not available"; |
| const char *cpu_name = cpu_not_found; /* 48 bytes are reported */ |
| int vt, txt, aes; |
| msr_t microcode_ver; |
| static const char *const mode[] = {"NOT ", ""}; |
| const char *cpu_type = "Unknown"; |
| u32 p[13]; |
| |
| index = 0x80000000; |
| cpuidr = cpuid(index); |
| if (cpuidr.eax >= 0x80000004) { |
| int j = 0; |
| |
| for (i = 2; i <= 4; i++) { |
| cpuidr = cpuid(index + i); |
| p[j++] = cpuidr.eax; |
| p[j++] = cpuidr.ebx; |
| p[j++] = cpuidr.ecx; |
| p[j++] = cpuidr.edx; |
| } |
| p[12] = 0; |
| cpu_name = (char *)p; |
| |
| /* Skip leading spaces in CPU name string */ |
| while (cpu_name[0] == ' ' && strlen(cpu_name) > 0) |
| cpu_name++; |
| } |
| |
| microcode_ver.lo = 0; |
| microcode_ver.hi = 0; |
| wrmsr(BIOS_SIGN_ID, microcode_ver); |
| cpu_id = cpu_get_cpuid(); |
| microcode_ver = rdmsr(BIOS_SIGN_ID); |
| |
| /* 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, microcode_ver.hi); |
| |
| 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; |
| pci_devfn_t dev = SA_DEV_ROOT; |
| uint16_t mchid = get_dev_id(dev); |
| uint8_t mch_revision = get_dev_revision(dev); |
| const char *mch_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(mch_table); i++) { |
| if (mch_table[i].mchid == mchid) { |
| mch_type = mch_table[i].name; |
| break; |
| } |
| } |
| |
| printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n", |
| mchid, mch_revision, mch_type); |
| } |
| |
| static void report_pch_info(void) |
| { |
| int i; |
| pci_devfn_t dev = PCH_DEV_ESPI; |
| uint16_t espiid = get_dev_id(dev); |
| const char *pch_type = "Unknown"; |
| |
| for (i = 0; i < ARRAY_SIZE(pch_table); i++) { |
| if (pch_table[i].espiid == espiid) { |
| pch_type = pch_table[i].name; |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n", |
| espiid, get_dev_revision(dev), pch_type); |
| } |
| |
| static void report_igd_info(void) |
| { |
| int i; |
| pci_devfn_t dev = SA_DEV_IGD; |
| uint16_t igdid = get_dev_id(dev); |
| 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, get_dev_revision(dev), igd_type); |
| } |
| |
| void report_platform_info(void) |
| { |
| report_cpu_info(); |
| report_mch_info(); |
| report_pch_info(); |
| report_igd_info(); |
| } |