[U-Boot] [PATCH v6 05/10] cpu: Add DMTF id and family fields

Alexander Graf
2016-08-18T23:23:26Z

For SMBIOS tables we need to know the CPU family as well as CPU IDs. This
patches allocates some space for them in the cpu device and populates it
on x86.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
arch/x86/cpu/cpu_x86.c | 5 +++++
include/cpu.h | 2 ++
2 files changed, 7 insertions(+)

diff --git a/arch/x86/cpu/cpu_x86.c b/arch/x86/cpu/cpu_x86.c
index 0941041..39004ee 100644
--- a/arch/x86/cpu/cpu_x86.c
+++ b/arch/x86/cpu/cpu_x86.c
@@ -15,9 +15,14 @@ DECLARE_GLOBAL_DATA_PTR;
int cpu_x86_bind(struct udevice *dev)
{
struct cpu_platdata *plat = dev_get_parent_platdata(dev);
+ struct cpuid_result res;

plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"intel,apic-id", -1);
+ plat->family = gd->arch.x86;
+ res = cpuid(1);
+ plat->id[0] = res.eax;
+ plat->id[1] = res.edx;

return 0;
}
diff --git a/include/cpu.h b/include/cpu.h
index bda5315..7d4486b 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -21,6 +21,8 @@ struct cpu_platdata {
int cpu_id;
int ucode_version;
ulong device_id;
+ u16 family; /* DMTF CPU Family */
+ u32 id[2]; /* DMTF CPU Processor IDs */
};

/* CPU features - mostly just a placeholder for now */
--
1.8.5.6