The MIB RAM and FIFO receive start register does not exist on
i.MX8M. Accessing these register will cause system hang.
Signed-off-by: Peng Fan <peng....@nxp.com>
Cc: Joe Hershberger <joe.hershber...@ni.com>
---
drivers/net/fec_mxc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 433e19f0f8..4cbc8cbbfd 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -562,8 +562,8 @@ static int fec_init(struct eth_device *dev, bd_t *bd)
writel(0x00000000, &fec->eth->gaddr1);
writel(0x00000000, &fec->eth->gaddr2);
- /* Do not access reserved register for i.MX6UL */
- if (!is_mx6ul() && !is_mx6ull()) {
+ /* Do not access reserved register */
+ if (!is_mx6ul() && !is_mx6ull() && !is_mx8m()) {
/* clear MIB RAM */
for (i = mib_ptr; i <= mib_ptr + 0xfc; i += 4)
writel(0, i);
--
2.14.1
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