git: f408052d7bfb - stable/15 - arm64: Add the new C1 CPU IDs

The branch stable/15 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=f408052d7bfb52afcf5b2fdd444e30ebc1a001d5

commit f408052d7bfb52afcf5b2fdd444e30ebc1a001d5
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2025-09-15 12:05:05 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2025-09-20 01:00:51 +0000

    arm64: Add the new C1 CPU IDs
    
    Add the Arm C1-Nano, C1-Pro, C1-Premium, and C1-Ultra CPUs from their
    Technical Reference Manuals.
    
    Sponsored by:   Arm Ltd
    
    (cherry picked from commit 8fee6b9ecc84d3602a461f1cd33df91e50849cdf)
---
 sys/arm64/arm64/identcpu.c | 4 ++++
 sys/arm64/include/cpu.h    | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
index a001be200518..01b4ece59861 100644
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -232,6 +232,10 @@ static const struct cpu_parts cpu_parts_arm[] = {
 	{ CPU_PART_CORTEX_X2, "Cortex-X2" },
 	{ CPU_PART_CORTEX_X3, "Cortex-X3" },
 	{ CPU_PART_CORTEX_X4, "Cortex-X4" },
+	{ CPU_PART_C1_NANO, "C1-Nano" },
+	{ CPU_PART_C1_PRO, "C1-Pro" },
+	{ CPU_PART_C1_PREMIUM, "C1-Premium" },
+	{ CPU_PART_C1_ULTRA, "C1-Ultra" },
 	{ CPU_PART_NEOVERSE_E1, "Neoverse-E1" },
 	{ CPU_PART_NEOVERSE_N1, "Neoverse-N1" },
 	{ CPU_PART_NEOVERSE_N2, "Neoverse-N2" },
diff --git a/sys/arm64/include/cpu.h b/sys/arm64/include/cpu.h
index 07a783138f42..124da8c215ed 100644
--- a/sys/arm64/include/cpu.h
+++ b/sys/arm64/include/cpu.h
@@ -125,7 +125,11 @@
 #define	CPU_PART_NEOVERSE_V3	0xD84
 #define	CPU_PART_CORTEX_X925	0xD85
 #define	CPU_PART_CORTEX_A725	0xD87
+#define	CPU_PART_C1_NANO	0xD8A
+#define	CPU_PART_C1_PRO		0xD8B
+#define	CPU_PART_C1_ULTRA	0xD8C
 #define	CPU_PART_NEOVERSE_N3	0xD8E
+#define	CPU_PART_C1_PREMIUM	0xD90
 
 /* Cavium Part numbers */
 #define	CPU_PART_THUNDERX	0x0A1