net: mvpp2: fix lookup of mdio registers base address
Current mdio base lookup code relies on a 'reg' property at the upper CP
node. There is no 'reg' property there in current DT files of Armada
CP110. Use ofnode_get_addr() instead since it provides proper DT address
translation.
Cc: Ken Ma <make@marvell.com>
Cc: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c
index 9b3ab25..23c4da8 100644
--- a/drivers/net/mvpp2.c
+++ b/drivers/net/mvpp2.c
@@ -4705,21 +4705,22 @@
{
int port_node = dev_of_offset(dev);
const char *phy_mode_str;
- int phy_node, mdio_off, cp_node;
+ int phy_node;
u32 id;
u32 phyaddr = 0;
int phy_mode = -1;
- phys_addr_t mdio_addr;
phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
if (phy_node > 0) {
+ ofnode phy_ofnode;
+ fdt_addr_t phy_base;
+
phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
if (phyaddr < 0) {
dev_err(&pdev->dev, "could not find phy address\n");
return -1;
}
- mdio_off = fdt_parent_offset(gd->fdt_blob, phy_node);
/* TODO: This WA for mdio issue. U-boot 2017 don't have
* mdio driver and on MACHIATOBin board ports from CP1
@@ -4728,14 +4729,10 @@
* base address. WA should be removed after
* mdio driver implementation.
*/
- mdio_addr = fdtdec_get_uint(gd->fdt_blob,
- mdio_off, "reg", 0);
- cp_node = fdt_parent_offset(gd->fdt_blob, mdio_off);
- mdio_addr |= fdt_get_base_address((void *)gd->fdt_blob,
- cp_node);
-
- port->priv->mdio_base = (void *)mdio_addr;
+ phy_ofnode = ofnode_get_parent(offset_to_ofnode(phy_node));
+ phy_base = ofnode_get_addr(phy_ofnode);
+ port->priv->mdio_base = (void *)phy_base;
if (port->priv->mdio_base < 0) {
dev_err(&pdev->dev, "could not find mdio base address\n");