From 3146109af3aebcbe51386abea2e194c813e59750 Mon Sep 17 00:00:00 2001
From: "William D. Jones" <thor0505@comcast.net>
Date: Wed, 22 Aug 2018 23:03:08 -0400
Subject: [PATCH] software/bios: Gate flush_l2_cache() if L2 Cache isn't
 present.

---
 litex/soc/software/bios/boot.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/litex/soc/software/bios/boot.c b/litex/soc/software/bios/boot.c
index 9fb0658cd..e6e0ce246 100644
--- a/litex/soc/software/bios/boot.c
+++ b/litex/soc/software/bios/boot.c
@@ -27,7 +27,9 @@ static void __attribute__((noreturn)) boot(unsigned int r1, unsigned int r2, uns
 	irq_setie(0);
 	flush_cpu_icache();
 	flush_cpu_dcache();
+#ifdef L2_SIZE
 	flush_l2_cache();
+#endif
 	boot_helper(r1, r2, r3, addr);
 	while(1);
 }