[PATCH 5/5] arm64: cpufeature: Extend bbml3 support list
From: Linu Cherian <hidden>
Date: 2026-07-01 09:42:31
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Add below cpus to the midr list, which supports BBML3 but don't advertise through MMFR2 ID. Cortex A520(AE) Cortex A715 Cortex A720(AE) Cortex A725 Neoverse N3 C1-Nano C1-Pro C1-Ultra C1-Premium Signed-off-by: Linu Cherian <redacted> --- arch/arm64/kernel/cpufeature.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index d754b1b7da77..9b806c1c60aa 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c@@ -2142,6 +2142,15 @@ bool cpu_supports_bbml3(void) MIDR_ALL_VERSIONS(MIDR_NVIDIA_OLYMPUS), MIDR_ALL_VERSIONS(MIDR_AMPERE1), MIDR_ALL_VERSIONS(MIDR_AMPERE1A), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A520AE), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A715), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A720AE), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3), + MIDR_ALL_VERSIONS(MIDR_C1_NANO), + MIDR_ALL_VERSIONS(MIDR_C1_PRO), + MIDR_REV_RANGE(MIDR_C1_ULTRA, 1, 1, 0xf), + MIDR_REV_RANGE(MIDR_C1_PREMIUM, 1, 1, 0xf), {} };
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2.43.0