diff --git a/.travis.yml b/.travis.yml
index afeeb72d88..3c63f12a76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,8 +35,10 @@ matrix:
       rust: 1.13.0
     - env: TARGET=powerpc-unknown-linux-gnu
       rust: 1.13.0
-    # - env: TARGET=powerpc64-unknown-linux-gnu
-    # - env: TARGET=powerpc64le-unknown-linux-gnu
+    - env: TARGET=powerpc64-unknown-linux-gnu
+      rust: 1.13.0
+    - env: TARGET=powerpc64le-unknown-linux-gnu
+      rust: 1.13.0
     # - env: TARGET=s390x-unknown-linux-gnu
     - env: TARGET=x86_64-unknown-linux-gnu
       rust: 1.13.0
diff --git a/README.md b/README.md
index dd39b7f4ab..885ab0bfc6 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,8 @@ Tier 1:
   * arm-unknown-linux-gnueabi
   * x86_64-unknown-freebsd
   * powerpc-unknown-linux-gnu
+  * powerpc64-unknown-linux-gnu
+  * powerpc64le-unknown-linux-gnu
   * mips-unknown-linux-gnu
   * mipsel-unknown-linux-gnu
   * i686-unknown-linux-musl
diff --git a/src/sys/ioctl/platform/linux.rs b/src/sys/ioctl/platform/linux.rs
index aacea45936..efdd17bb6b 100644
--- a/src/sys/ioctl/platform/linux.rs
+++ b/src/sys/ioctl/platform/linux.rs
@@ -1,7 +1,7 @@
 pub const NRBITS: u32 = 8;
 pub const TYPEBITS: u32 = 8;
 
-#[cfg(any(target_arch = "mips", target_arch = "powerpc"))]
+#[cfg(any(target_arch = "mips", target_arch = "powerpc", target_arch = "powerpc64"))]
 mod consts {
     pub const NONE: u8 = 1;
     pub const READ: u8 = 2;
@@ -15,6 +15,7 @@ mod consts {
               target_arch = "x86",
               target_arch = "arm",
               target_arch = "x86_64",
+              target_arch = "powerpc64",
               target_arch = "aarch64")))]
 use this_arch_not_supported;
 
diff --git a/src/sys/syscall.rs b/src/sys/syscall.rs
index 692b4cef95..cff2cc992a 100644
--- a/src/sys/syscall.rs
+++ b/src/sys/syscall.rs
@@ -54,7 +54,7 @@ mod arch {
     pub static MEMFD_CREATE: Syscall = 354;
 }
 
-#[cfg(target_arch = "powerpc")]
+#[cfg(any(target_arch = "powerpc", target_arch = "powerpc64"))]
 mod arch {
     use libc::c_long;
 
diff --git a/test/sys/test_ioctl.rs b/test/sys/test_ioctl.rs
index b68622d148..55b61fd7b3 100644
--- a/test/sys/test_ioctl.rs
+++ b/test/sys/test_ioctl.rs
@@ -20,7 +20,7 @@ ioctl!(readwrite buf readwritebuf_test with 0, 0; u32);
 mod linux {
     #[test]
     fn test_op_none() {
-        if cfg!(any(target_arch = "mips", target_arch="powerpc")){
+        if cfg!(any(target_arch = "mips", target_arch="powerpc", target_arch="powerpc64")){
             assert_eq!(io!(b'q', 10), 0x2000710A);
             assert_eq!(io!(b'a', 255), 0x200061FF);
         } else {
@@ -31,7 +31,7 @@ mod linux {
 
     #[test]
     fn test_op_write() {
-        if cfg!(any(target_arch = "mips", target_arch="powerpc")){
+        if cfg!(any(target_arch = "mips", target_arch="powerpc", target_arch="powerpc64")){
             assert_eq!(iow!(b'z', 10, 1), 0x80017A0A);
             assert_eq!(iow!(b'z', 10, 512), 0x82007A0A);
         } else {
@@ -43,12 +43,17 @@ mod linux {
     #[cfg(target_pointer_width = "64")]
     #[test]
     fn test_op_write_64() {
-        assert_eq!(iow!(b'z', 10, (1 as u64) << 32), 0x40007A0A);
+        if cfg!(any(target_arch="powerpc64")){
+            assert_eq!(iow!(b'z', 10, (1 as u64) << 32), 0x80007A0A);
+        } else {
+            assert_eq!(iow!(b'z', 10, (1 as u64) << 32), 0x40007A0A);
+        }
+
     }
 
     #[test]
     fn test_op_read() {
-        if cfg!(any(target_arch = "mips", target_arch="powerpc")){
+        if cfg!(any(target_arch = "mips", target_arch="powerpc", target_arch="powerpc64")){
             assert_eq!(ior!(b'z', 10, 1), 0x40017A0A);
             assert_eq!(ior!(b'z', 10, 512), 0x42007A0A);
         } else {
@@ -60,7 +65,11 @@ mod linux {
     #[cfg(target_pointer_width = "64")]
     #[test]
     fn test_op_read_64() {
-        assert_eq!(ior!(b'z', 10, (1 as u64) << 32), 0x80007A0A);
+        if cfg!(any(target_arch="powerpc64")){
+            assert_eq!(ior!(b'z', 10, (1 as u64) << 32), 0x40007A0A);
+        } else {
+            assert_eq!(ior!(b'z', 10, (1 as u64) << 32), 0x80007A0A);
+        }
     }
 
     #[test]