[U-Boot] [PATCH 1/3] net: fec: do not access reserved register for i.MX6ULL

[Peng Fan]

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 at nxp.com>
Cc: Joe Hershberger <joe.hershberger at ni.com>
---
 drivers/net/fec_mxc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);
-- 
2.6.2