net: tsec: Access eTSEC registers using virtual address

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@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index c2e755f2b1e343de5817e207e9dfabe9979df8ac..611cb040dc534d84f3cf29b28c41387ff0a8bc4c 100644 (file)
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -800,7 +800,7 @@ 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)) {
@@ -819,8 +819,13 @@ 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) {
+               printf("No 'reg' property of MII for external PHY\n");
+               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);