diff options
| author | Peng Fan <peng.fan@nxp.com> | 2018-01-10 13:20:43 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-02-04 12:00:58 +0100 |
| commit | 238a53c71010ea15e38ab0253316a7ac2fd8035c (patch) | |
| tree | 23cbd5868d7370034b2143608dbce5dfe582a4f7 /drivers/net | |
| parent | 8953d866644184e5b1088ab170a34d45a6f3c6dd (diff) | |
net: fec: do not access reserved register for i.MX8M
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.fan@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/fec_mxc.c | 4 |
1 files 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); |