diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index c8c99b554ca4..cef49d60d74c 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -1,4 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
+syscall-y += syscall_table_32.h
+
 generic-y += extable.h
 generic-y += kvm_para.h
 generic-y += parport.h
diff --git a/arch/openrisc/include/asm/syscalls.h b/arch/openrisc/include/asm/syscalls.h
index aa1c7e98722e..9f4c47961bea 100644
--- a/arch/openrisc/include/asm/syscalls.h
+++ b/arch/openrisc/include/asm/syscalls.h
@@ -25,8 +25,4 @@ asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage long __sys_clone3(struct clone_args __user *uargs, size_t size);
 asmlinkage long __sys_fork(void);
 
-#define sys_clone __sys_clone
-#define sys_clone3 __sys_clone3
-#define sys_fork __sys_fork
-
 #endif /* __ASM_OPENRISC_SYSCALLS_H */
diff --git a/arch/openrisc/include/asm/unistd.h b/arch/openrisc/include/asm/unistd.h
new file mode 100644
index 000000000000..c73f65e18d3b
--- /dev/null
+++ b/arch/openrisc/include/asm/unistd.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+
+#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SYS_FORK
+#define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_TIME32_SYSCALLS
+
+#include <uapi/asm/unistd.h>
diff --git a/arch/openrisc/include/uapi/asm/Kbuild b/arch/openrisc/include/uapi/asm/Kbuild
index e78470141932..2501e82a1a0a 100644
--- a/arch/openrisc/include/uapi/asm/Kbuild
+++ b/arch/openrisc/include/uapi/asm/Kbuild
@@ -1,2 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
+syscall-y += unistd_32.h
+
 generic-y += ucontext.h
diff --git a/arch/openrisc/include/uapi/asm/unistd.h b/arch/openrisc/include/uapi/asm/unistd.h
index 566f8c4f8047..46b94d454efd 100644
--- a/arch/openrisc/include/uapi/asm/unistd.h
+++ b/arch/openrisc/include/uapi/asm/unistd.h
@@ -17,16 +17,4 @@
  * (at your option) any later version.
  */
 
-#define sys_mmap2 sys_mmap_pgoff
-
-#define __ARCH_WANT_RENAMEAT
-#define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SET_GET_RLIMIT
-#define __ARCH_WANT_SYS_FORK
-#define __ARCH_WANT_SYS_CLONE
-#define __ARCH_WANT_TIME32_SYSCALLS
-
-#include <asm-generic/unistd.h>
-
-#define __NR_or1k_atomic __NR_arch_specific_syscall
-__SYSCALL(__NR_or1k_atomic, sys_or1k_atomic)
+#include <asm/unistd_32.h>
diff --git a/arch/openrisc/kernel/Makefile.syscalls b/arch/openrisc/kernel/Makefile.syscalls
new file mode 100644
index 000000000000..525a1e7e7fc9
--- /dev/null
+++ b/arch/openrisc/kernel/Makefile.syscalls
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+syscall_abis_32 += or1k time32 stat64 rlimit renameat
diff --git a/arch/openrisc/kernel/sys_call_table.c b/arch/openrisc/kernel/sys_call_table.c
index 3d18008310e4..b2f57e2538f7 100644
--- a/arch/openrisc/kernel/sys_call_table.c
+++ b/arch/openrisc/kernel/sys_call_table.c
@@ -16,9 +16,14 @@
 
 #include <asm/syscalls.h>
 
-#undef __SYSCALL
 #define __SYSCALL(nr, call) [nr] = (call),
+#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
+
+#define sys_mmap2 sys_mmap_pgoff
+#define sys_clone __sys_clone
+#define sys_clone3 __sys_clone3
+#define sys_fork __sys_fork
 
 void *sys_call_table[__NR_syscalls] = {
-#include <asm/unistd.h>
+#include <asm/syscall_table_32.h>
 };
diff --git a/scripts/syscall.tbl b/scripts/syscall.tbl
index 40307011abdb..28329c00bf68 100644
--- a/scripts/syscall.tbl
+++ b/scripts/syscall.tbl
@@ -299,6 +299,8 @@
 
 244	nios2	cacheflush			sys_cacheflush
 
+244	or1k	or1k_atomic			sys_or1k_atomic
+
 260	time32	wait4				sys_wait4			compat_sys_wait4
 260	64	wait4				sys_wait4
 261	common	prlimit64			sys_prlimit64