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authorFelix Held <felix-coreboot@felixheld.de>2023-02-06 15:19:11 +0100
committerFelix Held <felix-coreboot@felixheld.de>2023-02-08 15:07:45 +0000
commit6a6ac1e0b929a47aedcff41420990cd700e22d13 (patch)
tree669b654a6876be7ae88045783bda9254b55e457e /src/cpu/intel/model_f4x
parent2fe5d3e5a5982169aeac86188949a301ab9ed0aa (diff)
arch/x86/cpu: introduce and use device_match_mask
Instead of always doing exact matches between the CPUID read in identify_cpu and the device entries of the CPU device ID table, offer the possibility to use a bit mask in the CPUID matching. This allows covering all steppings of a CPU family/model with one entry and avoids that case of a missing new stepping causing the CPUs not being properly initialized. Some of the CPU device ID tables can now be deduplicated using the CPUID_ALL_STEPPINGS_MASK define, but that's outside of the scope of this patch. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I0540b514ca42591c0d3468307a82b5612585f614 Reviewed-on: https://review.coreboot.org/c/coreboot/+/72847 Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/cpu/intel/model_f4x')
-rw-r--r--src/cpu/intel/model_f4x/model_f4x_init.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/cpu/intel/model_f4x/model_f4x_init.c b/src/cpu/intel/model_f4x/model_f4x_init.c
index b495dee585..73bb7105bb 100644
--- a/src/cpu/intel/model_f4x/model_f4x_init.c
+++ b/src/cpu/intel/model_f4x/model_f4x_init.c
@@ -15,14 +15,14 @@ static struct device_operations cpu_dev_ops = {
};
static const struct cpu_device_id cpu_table[] = {
- { X86_VENDOR_INTEL, 0x0f41 }, /* Xeon */
- { X86_VENDOR_INTEL, 0x0f43 }, /* Not tested */
- { X86_VENDOR_INTEL, 0x0f44 }, /* Not tested */
- { X86_VENDOR_INTEL, 0x0f47 },
- { X86_VENDOR_INTEL, 0x0f48 }, /* Not tested */
- { X86_VENDOR_INTEL, 0x0f49 }, /* Not tested */
- { X86_VENDOR_INTEL, 0x0f4a }, /* Not tested */
- { 0, 0 },
+ { X86_VENDOR_INTEL, 0x0f41, CPUID_EXACT_MATCH_MASK }, /* Xeon */
+ { X86_VENDOR_INTEL, 0x0f43, CPUID_EXACT_MATCH_MASK }, /* Not tested */
+ { X86_VENDOR_INTEL, 0x0f44, CPUID_EXACT_MATCH_MASK }, /* Not tested */
+ { X86_VENDOR_INTEL, 0x0f47, CPUID_EXACT_MATCH_MASK },
+ { X86_VENDOR_INTEL, 0x0f48, CPUID_EXACT_MATCH_MASK }, /* Not tested */
+ { X86_VENDOR_INTEL, 0x0f49, CPUID_EXACT_MATCH_MASK }, /* Not tested */
+ { X86_VENDOR_INTEL, 0x0f4a, CPUID_EXACT_MATCH_MASK }, /* Not tested */
+ { 0, 0, 0 },
};
static const struct cpu_driver model_f4x __cpu_driver = {