src/soc/intel/apollolake/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/pci_devs.h>
  13 #include <soc/romstage.h>
  14
  15 static struct {
  16         u32 cpuid;
  17         const char *name;
  18 } cpu_table[] = {
  19         { CPUID_APOLLOLAKE_A0, "Apollolake A0" },
  20         { CPUID_APOLLOLAKE_B0, "Apollolake B0" },
  21         { CPUID_APOLLOLAKE_E0, "Apollolake E0" },
  22         { CPUID_GLK_A0, "Geminilake A0" },
  23         { CPUID_GLK_B0, "Geminilake B0" },
  24         { CPUID_GLK_R0, "Geminilake R0" },
  25 };
  26
  27 static struct {
  28         u16 mchid;
  29         const char *name;
  30 } mch_table[] = {
  31         { PCI_DID_INTEL_GLK_NB, "Geminilake" },
  32         { PCI_DID_INTEL_APL_NB, "Apollolake" },
  33 };
  34
  35 static struct {
  36         u16 lpcid;
  37         const char *name;
  38 } pch_table[] = {
  39         { PCI_DID_INTEL_APL_LPC, "Apollolake" },
  40         { PCI_DID_INTEL_GLK_LPC, "Geminilake" },
  41         { PCI_DID_INTEL_GLK_ESPI, "Geminilake" },
  42 };
  43
  44 static struct {
  45         u16 igdid;
  46         const char *name;
  47 } igd_table[] = {
  48         { PCI_DID_INTEL_APL_IGD_HD_505, "Apollolake HD 505" },
  49         { PCI_DID_INTEL_APL_IGD_HD_500, "Apollolake HD 500" },
  50         { PCI_DID_INTEL_GLK_IGD, "Geminilake" },
  51         { PCI_DID_INTEL_GLK_IGD_EU12, "Geminilake EU12" },
  52 };
  53
  54 static uint8_t get_dev_revision(pci_devfn_t dev)
  55 {
  56         return pci_read_config8(dev, PCI_REVISION_ID);
  57 }
  58
  59 static uint16_t get_dev_id(pci_devfn_t dev)
  60 {
  61         return pci_read_config16(dev, PCI_DEVICE_ID);
  62 }
  63
  64 static void report_cpu_info(void)
  65 {
  66         uint32_t i, cpu_id, cpu_feature_flag;
  67         char cpu_name[49];
  68         const char *support = "Supported";
  69         const char *no_support = "Not Supported";
  70         const char *cpu_type = "Unknown";
  71
  72         fill_processor_name(cpu_name);
  73         cpu_id = cpu_get_cpuid();
  74
  75         /* Look for string to match the name */
  76         for (i = 0; i < ARRAY_SIZE(cpu_table); i++) {
  77                 if (cpu_table[i].cpuid == cpu_id) {
  78                         cpu_type = cpu_table[i].name;
  79                         break;
  80                 }
  81         }
  82
  83         printk(BIOS_INFO, "CPU: %s\n", cpu_name);
  84         printk(BIOS_INFO, "CPU: ID %x, %s, ucode: %08x\n", cpu_id, cpu_type,
  85                         get_current_microcode_rev());
  86
  87         cpu_feature_flag = cpu_get_feature_flags_ecx();
  88         printk(BIOS_INFO, "CPU: AES %s, TXT %s, VT %s\n",
  89                         (cpu_feature_flag & CPUID_AES) ? support : no_support,
  90                         (cpu_feature_flag & CPUID_SMX) ? support : no_support,
  91                         (cpu_feature_flag & CPUID_VMX) ? support : no_support);
  92 }
  93
  94 static void report_mch_info(void)
  95 {
  96         uint32_t 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_INFO, "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         uint32_t i;
 116         pci_devfn_t dev = PCH_DEV_LPC;
 117         uint16_t lpcid = 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].lpcid == lpcid) {
 122                         pch_type = pch_table[i].name;
 123                         break;
 124                 }
 125         }
 126         printk(BIOS_INFO, "PCH: device id %04x (rev %02x) is %s\n",
 127                         lpcid, get_dev_revision(dev), pch_type);
 128 }
 129
 130 static void report_igd_info(void)
 131 {
 132         uint32_t 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_INFO, "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 }