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soc/amd/common/block/noncar/cpu: Provide correct smbios processor family 

Return the correct processor family code for smbios per System
Management BIOS (SMBIOS) Reference Specification DSP0134 revision 3.5.0.

BUG=b:234409052
TEST=Boot chausie to chromeos and verify "dmidecode -t processor"
outputs the correct processor family.

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I617ce3e23f4b28a197034756d285339595d3b53b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65364
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Fred Reitberger 2022-06-23 11:25:16 -04:00 committed by Felix Held
parent e910fba5aa
commit ffd75c2936
1 changed files with 6 additions and 0 deletions
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6
src/soc/amd/common/block/cpu/noncar/cpu.c
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@ -5,6 +5,7 @@
#include <cpu/cpu.h> #include <cpu/cpu.h>
#include <cpu/x86/msr.h> #include <cpu/x86/msr.h>
#include <cpu/amd/msr.h> #include <cpu/amd/msr.h>
#include <smbios.h>
#include <soc/iomap.h> #include <soc/iomap.h>
int get_cpu_count(void) int get_cpu_count(void)
@ -12,6 +13,11 @@ int get_cpu_count(void)
return 1 + (cpuid_ecx(0x80000008) & 0xff); return 1 + (cpuid_ecx(0x80000008) & 0xff);
} }
unsigned int smbios_processor_family(struct cpuid_result res)
{
return 0x6b; /* Zen */
}
unsigned int get_threads_per_core(void) unsigned int get_threads_per_core(void)
{ {
return 1 + ((cpuid_ebx(CPUID_EBX_CORE_ID) & CPUID_EBX_THREADS_MASK) return 1 + ((cpuid_ebx(CPUID_EBX_CORE_ID) & CPUID_EBX_THREADS_MASK)