diff options
Diffstat (limited to 'src/soc/intel/elkhartlake/bootblock/report_platform.c')
-rw-r--r-- | src/soc/intel/elkhartlake/bootblock/report_platform.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/bootblock/report_platform.c b/src/soc/intel/elkhartlake/bootblock/report_platform.c new file mode 100644 index 0000000000..82b2ba1134 --- /dev/null +++ b/src/soc/intel/elkhartlake/bootblock/report_platform.c @@ -0,0 +1,122 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <arch/cpu.h> +#include <console/console.h> +#include <cpu/intel/microcode.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/name.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <intelblocks/mp_init.h> +#include <soc/bootblock.h> +#include <soc/pch.h> +#include <soc/pci_devs.h> +#include <string.h> + +/* + * TODO: Add EHL specific CPU/SA/PCH/IGD IDs here + */ + +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) +{ + uint32_t i, cpu_id, cpu_feature_flag; + char cpu_name[49]; + int vt, txt, aes; + static const char *const mode[] = {"NOT ", ""}; + const char *cpu_type = "Unknown"; + + fill_processor_name(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; + 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(); +} |