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-rw-r--r--src/soc/amd/picasso/psp_verstage/include/arch/smp/spinlock.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/psp_verstage/include/arch/smp/spinlock.h b/src/soc/amd/picasso/psp_verstage/include/arch/smp/spinlock.h
new file mode 100644
index 0000000000..5245bd1a02
--- /dev/null
+++ b/src/soc/amd/picasso/psp_verstage/include/arch/smp/spinlock.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _ARCH_SMP_SPINLOCK_H
+#define _ARCH_SMP_SPINLOCK_H
+
+#define DECLARE_SPIN_LOCK(x)
+#define barrier() do {} while (0)
+#define spin_is_locked(lock) 0
+#define spin_unlock_wait(lock) do {} while (0)
+#define spin_lock(lock) do {} while (0)
+#define spin_unlock(lock) do {} while (0)
+#define cpu_relax() do {} while (0)
+
+#include <smp/node.h>
+#define boot_cpu() 1
+
+#endif