FU540 uses OF_SEPARATE instead of OF_PRIOR.

Enable OF_BOARD_FIXUP to update the DT with reserved-memory node.

Signed-off-by: Atish Patra <atish.pa...@wdc.com>
---
 arch/riscv/lib/fdt_fixup.c     | 15 +++++++++++++++
 configs/sifive_fu540_defconfig |  1 +
 2 files changed, 16 insertions(+)

diff --git a/arch/riscv/lib/fdt_fixup.c b/arch/riscv/lib/fdt_fixup.c
index f3d1ec5c5d02..e41f06f5b7f1 100644
--- a/arch/riscv/lib/fdt_fixup.c
+++ b/arch/riscv/lib/fdt_fixup.c
@@ -10,6 +10,21 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_OF_BOARD_FIXUP
+int board_fix_fdt(void *fdt)
+{
+       int err;
+
+       err = riscv_board_reserved_mem_fixup(fdt);
+       if (err < 0) {
+               printf("failed to fixup DT for reserved memory: %d\n", err);
+               return err;
+       }
+
+       return 0;
+}
+#endif
+
 int riscv_fdt_copy_resv_mem_node(const void *src, void *dst)
 {
        u32 phandle;
diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig
index 6d61e6c960ee..8fb3794cd578 100644
--- a/configs/sifive_fu540_defconfig
+++ b/configs/sifive_fu540_defconfig
@@ -12,3 +12,4 @@ CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00"
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM_MTD=y
+CONFIG_OF_BOARD_FIXUP=y
-- 
2.25.1

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