[U-Boot] [PATCH] cmd: net: flush cache cacheline aligned

Stefan Agner stefan at agner.ch
Tue Aug 2 09:20:28 CEST 2016


From: Stefan Agner <stefan.agner at toradex.com>

Flush loaded data cacheline aligned. This avoids warnings such as
CACHE: Misaligned operation at range [81000000, 816d0fa8]

Signed-off-by: Stefan Agner <stefan.agner at toradex.com>
---
Why do we actually have to flush caches after load? It seems to
have worked so far despite the caches did not get flushed (due to
missalignment).

--
Stefan

 cmd/net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/net.c b/cmd/net.c
index b2f3c7b..540daeb 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -244,7 +244,7 @@ static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
 	}
 
 	/* flush cache */
-	flush_cache(load_addr, size);
+	flush_cache(load_addr, ALIGN(size, CONFIG_SYS_CACHELINE_SIZE));
 
 	bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
 
-- 
2.9.0



More information about the U-Boot mailing list