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-rw-r--r--arch/riscv/include/asm/sparsemem.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sparsemem.h b/arch/riscv/include/asm/sparsemem.h
new file mode 100644
index 000000000..63acaecc3
--- /dev/null
+++ b/arch/riscv/include/asm/sparsemem.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _ASM_RISCV_SPARSEMEM_H
+#define _ASM_RISCV_SPARSEMEM_H
+
+#ifdef CONFIG_SPARSEMEM
+#ifdef CONFIG_64BIT
+#define MAX_PHYSMEM_BITS 56
+#else
+#define MAX_PHYSMEM_BITS 34
+#endif /* CONFIG_64BIT */
+#define SECTION_SIZE_BITS 27
+#endif /* CONFIG_SPARSEMEM */
+
+#endif /* _ASM_RISCV_SPARSEMEM_H */