src/soc/intel/jasperlake/bootblock/report_platform.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <cpu/cpu.h>
   5 #include <cpu/intel/cpu_ids.h>
   6 #include <cpu/intel/microcode.h>
   7 #include <cpu/x86/msr.h>
   8 #include <cpu/x86/name.h>
   9 #include <device/pci.h>
  10 #include <device/pci_ids.h>
  11 #include <device/pci_ops.h>
  12 #include <soc/bootblock.h>
  13 #include <soc/pch.h>
  14 #include <soc/pci_devs.h>
  15
  16 static struct {
  17         u32 cpuid;
  18         const char *name;
  19 } cpu_table[] = {
  20         { CPUID_JASPERLAKE_A0, "Jasperlake A0" },
  21 };
  22
  23 static struct {
  24         u16 mchid;
  25         const char *name;
  26 } mch_table[] = {
  27         { PCI_DID_INTEL_JSL_ID_1, "Jasperlake SKU4-1" },
  28         { PCI_DID_INTEL_JSL_ID_2, "Jasperlake SKU4-2" },
  29         { PCI_DID_INTEL_JSL_ID_3, "Jasperlake SKU2-1" },
  30         { PCI_DID_INTEL_JSL_ID_4, "Jasperlake SKU2-2" },
  31         { PCI_DID_INTEL_JSL_ID_5, "Jasperlake SKU4-3" },
  32         { PCI_DID_INTEL_JSL_ID_6, "Jasperlake SKU4-3" },
  33 };
  34
  35 static struct {
  36         u16 espiid;
  37         const char *name;
  38 } pch_table[] = {
  39         { PCI_DID_INTEL_JSP_SUPER_ESPI, "Jasperlake Super" },
  40 };
  41
  42 static struct {
  43         u16 igdid;
  44         const char *name;
  45 } igd_table[] = {
  46         { PCI_DID_INTEL_JSL_GT1, "Jasperlake GT1" },
  47         { PCI_DID_INTEL_JSL_GT2, "Jasperlake GT2" },
  48         { PCI_DID_INTEL_JSL_GT3, "Jasperlake GT3" },
  49         { PCI_DID_INTEL_JSL_GT4, "Jasperlake GT4" },
  50 };
  51
  52 static inline uint8_t get_dev_revision(pci_devfn_t dev)
  53 {
  54         return pci_read_config8(dev, PCI_REVISION_ID);
  55 }
  56
  57 static inline uint16_t get_dev_id(pci_devfn_t dev)
  58 {
  59         return pci_read_config16(dev, PCI_DEVICE_ID);
  60 }
  61
  62 static void report_cpu_info(void)
  63 {
  64         u32 i, cpu_id, cpu_feature_flag;
  65         char cpu_name[49];
  66         int vt, txt, aes;
  67         static const char *const mode[] = {"NOT ", ""};
  68         const char *cpu_type = "Unknown";
  69
  70         fill_processor_name(cpu_name);
  71         cpu_id = cpu_get_cpuid();
  72
  73         /* Look for string to match the name */
  74         for (i = 0; i < ARRAY_SIZE(cpu_table); i++) {
  75                 if (cpu_table[i].cpuid == cpu_id) {
  76                         cpu_type = cpu_table[i].name;
  77                         break;
  78                 }
  79         }
  80
  81         printk(BIOS_DEBUG, "CPU: %s\n", cpu_name);
  82         printk(BIOS_DEBUG, "CPU: ID %x, %s, ucode: %08x\n",
  83                cpu_id, cpu_type, get_current_microcode_rev());
  84
  85         cpu_feature_flag = cpu_get_feature_flags_ecx();
  86         aes = (cpu_feature_flag & CPUID_AES) ? 1 : 0;
  87         txt = (cpu_feature_flag & CPUID_SMX) ? 1 : 0;
  88         vt = (cpu_feature_flag & CPUID_VMX) ? 1 : 0;
  89         printk(BIOS_DEBUG,
  90                 "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n",
  91                 mode[aes], mode[txt], mode[vt]);
  92 }
  93
  94 static void report_mch_info(void)
  95 {
  96         int i;
  97         pci_devfn_t dev = SA_DEV_ROOT;
  98         uint16_t mchid = get_dev_id(dev);
  99         uint8_t mch_revision = get_dev_revision(dev);
 100         const char *mch_type = "Unknown";
 101
 102         for (i = 0; i < ARRAY_SIZE(mch_table); i++) {
 103                 if (mch_table[i].mchid == mchid) {
 104                         mch_type = mch_table[i].name;
 105                         break;
 106                 }
 107         }
 108
 109         printk(BIOS_DEBUG, "MCH: device id %04x (rev %02x) is %s\n",
 110                 mchid, mch_revision, mch_type);
 111 }
 112
 113 static void report_pch_info(void)
 114 {
 115         int i;
 116         pci_devfn_t dev = PCH_DEV_ESPI;
 117         uint16_t espiid = get_dev_id(dev);
 118         const char *pch_type = "Unknown";
 119
 120         for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
 121                 if (pch_table[i].espiid == espiid) {
 122                         pch_type = pch_table[i].name;
 123                         break;
 124                 }
 125         }
 126         printk(BIOS_DEBUG, "PCH: device id %04x (rev %02x) is %s\n",
 127                 espiid, get_dev_revision(dev), pch_type);
 128 }
 129
 130 static void report_igd_info(void)
 131 {
 132         int i;
 133         pci_devfn_t dev = SA_DEV_IGD;
 134         uint16_t igdid = get_dev_id(dev);
 135         const char *igd_type = "Unknown";
 136
 137         for (i = 0; i < ARRAY_SIZE(igd_table); i++) {
 138                 if (igd_table[i].igdid == igdid) {
 139                         igd_type = igd_table[i].name;
 140                         break;
 141                 }
 142         }
 143         printk(BIOS_DEBUG, "IGD: device id %04x (rev %02x) is %s\n",
 144                 igdid, get_dev_revision(dev), igd_type);
 145 }
 146
 147 void report_platform_info(void)
 148 {
 149         report_cpu_info();
 150         report_mch_info();
 151         report_pch_info();
 152         report_igd_info();
 153 }