The order of interrupt numbers is incorrect.
The order for FU740 is: DirError, DataError, DataFail, DirFail
From SiFive FU740-C000 Manual:
19 - L2 Cache DirError
20 - L2 Cache DirFail
21 - L2 Cache DataError
22 - L2 Cache DataFail
Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
                        cache-size = <2097152>;
                        cache-unified;
                        interrupt-parent = <&plic0>;
-                       interrupts = <19 20 21 22>;
+                       interrupts = <19 21 22 20>;
                        reg = <0x0 0x2010000 0x0 0x1000>;
                };
                gpio: gpio@10060000 {