mirror/u-boot-2016
1
0
Fork 0
mirror of https://git.codelinaro.org/clo/qsdk/oss/boot/u-boot-2016.git synced 2026-03-14 21:10:27 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

net: fec: do not access reserved register for i.MX6ULL

Browse source 
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>
This commit is contained in:
Peng Fan 2017-04-10 19:44:33 +08:00 • committed by Stefano Babic
parent 3fea953698
commit 4f55bd1c0b
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/fec_mxc.c
View file

@ -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);