[PATCH 2/3] net: tsec: Access eTSEC registers using virtual address

[Zhiqiang Hou]

From: Hou Zhiqiang <Zhiqiang.Hou at 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.Hou at nxp.com>
---
 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