On Mon, Mar 9, 2020 at 8:39 PM Philippe Schenker <[email protected]> wrote: > > This patch enables the possibility to set FEC_ENET_ENABLE_TXC_DELAY or > FEC_ENET_ENABLE_RXC_DELAY so one can via a define enable the RXC or TXC > delay in the MAC. > > Signed-off-by: Philippe Schenker <[email protected]>
Reviewed-by: Oleksandr Suvorov <[email protected]> > --- > > drivers/net/fec_mxc.c | 10 ++++++++++ > drivers/net/fec_mxc.h | 2 ++ > 2 files changed, 12 insertions(+) > > diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c > index bc5b63d7881..345d37be4e8 100644 > --- a/drivers/net/fec_mxc.c > +++ b/drivers/net/fec_mxc.c > @@ -503,6 +503,16 @@ static int fec_open(struct eth_device *edev) > writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN, > &fec->eth->ecntrl); > > +#ifdef FEC_ENET_ENABLE_TXC_DELAY > + writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_TXC_DLY, > + &fec->eth->ecntrl); > +#endif > + > +#ifdef FEC_ENET_ENABLE_RXC_DELAY > + writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_RXC_DLY, > + &fec->eth->ecntrl); > +#endif > + > #if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL) > udelay(100); > > diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h > index 159aec89679..3c8fdda2638 100644 > --- a/drivers/net/fec_mxc.h > +++ b/drivers/net/fec_mxc.h > @@ -188,6 +188,8 @@ struct ethernet_regs { > #define FEC_ECNTRL_ETHER_EN 0x00000002 /* enable the FEC */ > #define FEC_ECNTRL_SPEED 0x00000020 > #define FEC_ECNTRL_DBSWAP 0x00000100 > +#define FEC_ECNTRL_TXC_DLY 0x00010000 /* TXC delayed */ > +#define FEC_ECNTRL_RXC_DLY 0x00020000 /* RXC delayed */ > > #define FEC_X_WMRK_STRFWD 0x00000100 > > -- > 2.25.1 > -- Best regards Oleksandr Suvorov [email protected]
