Hi Vladimir, Thanks a lot for your review and test!
Thanks, Zhiqiang > -----Original Message----- > From: Vladimir Oltean <olte...@gmail.com> > Sent: 2020年5月3日 19:36 > To: Z.q. Hou <zhiqiang....@nxp.com> > Cc: u-boot <u-boot@lists.denx.de>; Joe Hershberger > <joe.hershber...@ni.com>; Bin Meng <bmeng...@gmail.com>; Priyanka > Jain <priyanka.j...@nxp.com> > Subject: Re: [PATCH 2/3] net: tsec: Access eTSEC registers using virtual > address > > Hi Zhiqiang, > > On Sun, 3 May 2020 at 09:28, Zhiqiang Hou <zhiqiang....@nxp.com> > wrote: > > > > From: Hou Zhiqiang <zhiqiang....@nxp.com> > > > > The current code accesses eTSEC registers using physical address > > directly, it's not correct, though no problem on current platforms. It > > won't work on platforms, which does not support 1:1 virtual-physical > > address map. > > > > Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com> > > --- > > Reviewed-by: Vladimir Oltean <vladimir.olt...@nxp.com> > Tested-by: Vladimir Oltean <vladimir.olt...@nxp.com> > > (on LS1021A) > > > drivers/net/tsec.c | 9 ++++++--- > > 1 file changed, 6 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c index > > f85cdcb97e..ce41aec5cf 100644 > > --- a/drivers/net/tsec.c > > +++ b/drivers/net/tsec.c > > @@ -798,7 +798,7 @@ int tsec_probe(struct udevice *dev) > > int ret; > > > > pdata->iobase = (phys_addr_t)dev_read_addr(dev); > > - priv->regs = (struct tsec *)pdata->iobase; > > + priv->regs = dev_remap_addr(dev); > > > > if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, > > &phandle_args)) { @@ > -817,8 > > +817,11 @@ int tsec_probe(struct udevice *dev) > > } > > > > reg = ofnode_get_addr_index(parent, 0); > > - priv->phyregs_sgmii = (struct tsec_mii_mng *) > > - (reg + TSEC_MDIO_REGS_OFFSET); > > + if (reg == FDT_ADDR_T_NONE) > > + return -ENOENT; > > + > > + priv->phyregs_sgmii = map_physmem(reg + > TSEC_MDIO_REGS_OFFSET, 0, > > + MAP_NOCACHE); > > > > ret = dev_read_phandle_with_args(dev, "tbi-handle", NULL, 0, > 0, > > &phandle_args); > > -- > > 2.17.1 > >