From 27255fe82163c2459431e1a270338df3bf76e1ec Mon Sep 17 00:00:00 2001
From: Peng Fan <peng.fan@nxp.com>
Date: Mon, 10 Apr 2017 19:44:33 +0800
Subject: net: fec: do not access reserved register for i.MX6ULL

The MIB RAM and FIFO receive start register does not exist on
i.MX6ULL. Accessing these register will cause enet not work well or
cause system report fault.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 910879b..ac7afb5 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -563,7 +563,7 @@ static int fec_init(struct eth_device *dev, bd_t *bd)
 	writel(0x00000000, &fec->eth->gaddr2);
 
 	/* Do not access reserved register for i.MX6UL */
-	if (!is_mx6ul()) {
+	if (!is_mx6ul() && !is_mx6ull()) {
 		/* clear MIB RAM */
 		for (i = mib_ptr; i <= mib_ptr + 0xfc; i += 4)
 			writel(0, i);
-- 
cgit v0.10.2