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authorArthur Heymans <arthur@aheymans.xyz>2021-01-22 19:05:55 +0100
committerPatrick Georgi <pgeorgi@google.com>2021-02-01 08:51:23 +0000
commit98872649c51e5041c1c9589eb36fd1e97b0f3d49 (patch)
tree9ac5d32a94525bf07083d98a789f2837ac2d97d9 /src/cpu
parent9daf5f071ca456348e658be409a07dd194259d2e (diff)
downloadcoreboot-98872649c51e5041c1c9589eb36fd1e97b0f3d49.tar.xz
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/cpu')
-rw-r--r--src/cpu/x86/mp_init.c8
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();