diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2021-01-22 19:05:55 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-01 08:51:23 +0000 |
| commit | 98872649c51e5041c1c9589eb36fd1e97b0f3d49 (patch) | |
| tree | 9ac5d32a94525bf07083d98a789f2837ac2d97d9 /src | |
| parent | 9daf5f071ca456348e658be409a07dd194259d2e (diff) | |
cpu/x86/mp_init.c: Print out the microcode revision of APs
It is useful to know if MCU have been applied successfully.
On the start of MP init lines similar to:
"AP: slot 1 apic_id 1, MCU rev: 0x0700001d" will be printed.
The example is taken from the log of an ocp/deltalake.
Change-Id: Ia0a6428b41d07f87943f3aa7736b8cb457fdd15a
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49840
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/x86/mp_init.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c index c691c4882b..cca6093458 100644 --- a/src/cpu/x86/mp_init.c +++ b/src/cpu/x86/mp_init.c @@ -196,8 +196,12 @@ static void asmlinkage ap_init(unsigned int cpu) /* Fix up APIC id with reality. */ info->cpu->path.apic.apic_id = lapicid(); - printk(BIOS_INFO, "AP: slot %d apic_id %x.\n", cpu, - info->cpu->path.apic.apic_id); + if (cpu_is_intel()) + printk(BIOS_INFO, "AP: slot %d apic_id %x, MCU rev: 0x%08x\n", cpu, + info->cpu->path.apic.apic_id, get_current_microcode_rev()); + else + printk(BIOS_INFO, "AP: slot %d apic_id %x\n", cpu, + info->cpu->path.apic.apic_id); /* Walk the flight plan */ ap_do_flight_plan(); |