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authorLexi Winter <lexi@le-Fay.ORG>2024-03-23 16:18:24 +0000
committerMark Johnston <markj@FreeBSD.org>2024-04-22 13:47:38 +0000
commitfc045609789feec9d6dce75c3558fd080d53a004 (patch)
treed0350399f640b7ea6e6ea26383eef9126ed2be90
parent753de7251761e9ce7dfe7a6196b6d2ef7806d996 (diff)
downloadsrc-fc045609789feec9d6dce75c3558fd080d53a004.tar.gz
src-fc045609789feec9d6dce75c3558fd080d53a004.zip
arm64: add CPU part identifiers for Apple M1 and M2
Part numbers are sourced from Linux (arch/arm64/include/asm/cputype.h). MFC after: 2 weeks Pull Request: https://github.com/freebsd/freebsd-src/pull/1144 (cherry picked from commit da2b732288c72b347b128e1fa9a169c7bba3beb8)
-rw-r--r--sys/arm64/arm64/identcpu.c19
-rw-r--r--sys/arm64/include/cpu.h14
2 files changed, 32 insertions, 1 deletions
diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
index d02be636ad50..8ecb4926c198 100644
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -251,6 +251,23 @@ static const struct cpu_parts cpu_parts_qcom[] = {
CPU_PART_NONE,
};
+/* Apple */
+static const struct cpu_parts cpu_parts_apple[] = {
+ { CPU_PART_M1_ICESTORM, "M1 Icestorm" },
+ { CPU_PART_M1_FIRESTORM, "M1 Firestorm" },
+ { CPU_PART_M1_ICESTORM_PRO, "M1 Pro Icestorm" },
+ { CPU_PART_M1_FIRESTORM_PRO, "M1 Pro Firestorm" },
+ { CPU_PART_M1_ICESTORM_MAX, "M1 Max Icestorm" },
+ { CPU_PART_M1_FIRESTORM_MAX, "M1 Max Firestorm" },
+ { CPU_PART_M2_BLIZZARD, "M2 Blizzard" },
+ { CPU_PART_M2_AVALANCHE, "M2 Avalanche" },
+ { CPU_PART_M2_BLIZZARD_PRO, "M2 Pro Blizzard" },
+ { CPU_PART_M2_AVALANCHE_PRO, "M2 Pro Avalanche" },
+ { CPU_PART_M2_BLIZZARD_MAX, "M2 Max Blizzard" },
+ { CPU_PART_M2_AVALANCHE_MAX, "M2 Max Avalanche" },
+ CPU_PART_NONE,
+};
+
/* Unknown */
static const struct cpu_parts cpu_parts_none[] = {
CPU_PART_NONE,
@@ -261,7 +278,7 @@ static const struct cpu_parts cpu_parts_none[] = {
*/
const struct cpu_implementers cpu_implementers[] = {
{ CPU_IMPL_AMPERE, "Ampere", cpu_parts_none },
- { CPU_IMPL_APPLE, "Apple", cpu_parts_none },
+ { CPU_IMPL_APPLE, "Apple", cpu_parts_apple },
{ CPU_IMPL_APM, "APM", cpu_parts_apm },
{ CPU_IMPL_ARM, "ARM", cpu_parts_arm },
{ CPU_IMPL_BROADCOM, "Broadcom", cpu_parts_none },
diff --git a/sys/arm64/include/cpu.h b/sys/arm64/include/cpu.h
index 9ef5b7897a7c..c84d48438964 100644
--- a/sys/arm64/include/cpu.h
+++ b/sys/arm64/include/cpu.h
@@ -134,6 +134,20 @@
#define CPU_PART_KRYO400_GOLD 0x804
#define CPU_PART_KRYO400_SILVER 0x805
+/* Apple part numbers */
+#define CPU_PART_M1_ICESTORM 0x022
+#define CPU_PART_M1_FIRESTORM 0x023
+#define CPU_PART_M1_ICESTORM_PRO 0x024
+#define CPU_PART_M1_FIRESTORM_PRO 0x025
+#define CPU_PART_M1_ICESTORM_MAX 0x028
+#define CPU_PART_M1_FIRESTORM_MAX 0x029
+#define CPU_PART_M2_BLIZZARD 0x032
+#define CPU_PART_M2_AVALANCHE 0x033
+#define CPU_PART_M2_BLIZZARD_PRO 0x034
+#define CPU_PART_M2_AVALANCHE_PRO 0x035
+#define CPU_PART_M2_BLIZZARD_MAX 0x038
+#define CPU_PART_M2_AVALANCHE_MAX 0x039
+
#define CPU_IMPL(midr) (((midr) >> 24) & 0xff)
#define CPU_PART(midr) (((midr) >> 4) & 0xfff)
#define CPU_VAR(midr) (((midr) >> 20) & 0xf)