From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Thu, 2 Apr 2015 08:47:03 +0000 (+0800)
Subject: libbase: implement flush_l2_cache for or1k
X-Git-Tag: 24jan2021_ls180~2405
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=63f14f3f30f3641d9783740722ab963edf6d8210;p=litex.git

libbase: implement flush_l2_cache for or1k
---

diff --git a/software/libbase/system.c b/software/libbase/system.c
index f0ea28fa..607d122d 100644
--- a/software/libbase/system.c
+++ b/software/libbase/system.c
@@ -78,10 +78,12 @@ void flush_l2_cache(void)
 	l2_nwords = 1 << wishbone2lasmi_cachesize_read();
 	for(i=0;i<2*l2_nwords;i++) {
 		addr = MAIN_RAM_BASE + i*4;
-#ifdef __lm32__
+#if defined (__lm32__)
 		__asm__ volatile("lw %0, (%1+0)\n":"=r"(dummy):"r"(addr));
+#elif defined (__or1k__)
+		__asm__ volatile("l.lwz %0, 0(%1)\n":"=r"(dummy):"r"(addr));
 #else
-#warning TODO
+#error Unsupported architecture
 #endif
 	}
 }