--- /dev/null
+++ b/compiler/rustc_target/src/spec/powerpc64_openwrt_linux_musl.rs
@@ -0,0 +1,17 @@
+use crate::abi::Endian;
+use crate::spec::{LinkerFlavor, Target, TargetOptions};
+
+pub fn target() -> Target {
+    let mut base = super::linux_musl_base::opts();
+    base.cpu = "ppc64".into();
+    base.pre_link_args.entry(LinkerFlavor::Gcc).or_default().push("-m64".into());
+    base.max_atomic_width = Some(64);
+
+    Target {
+        llvm_target: "powerpc64-unknown-linux-musl".into(),
+        pointer_width: 64,
+        data_layout: "E-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512".into(),
+        arch: "powerpc64".into(),
+        options: TargetOptions { endian: Endian::Big, mcount: "_mcount".into(), ..base },
+    }
+}
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -1019,6 +1019,7 @@
     ("aarch64-openwrt-linux-musl", aarch64_openwrt_linux_musl),
     ("armv7-openwrt-linux-muslgnueabi", armv7_openwrt_linux_muslgnueabi),
     ("armv7-openwrt-linux-muslgnueabihf", armv7_openwrt_linux_muslgnueabihf),
+    ("powerpc64-openwrt-linux-musl", powerpc64_openwrt_linux_musl),
 }

 /// Warnings encountered when parsing the target `json`.