diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mvpp2.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c index 2198b738f9..1264f145ca 100644 --- a/drivers/net/mvpp2.c +++ b/drivers/net/mvpp2.c @@ -31,6 +31,7 @@ #include <linux/compat.h> #include <linux/mbus.h> #include <asm-generic/gpio.h> +#include <fdt_support.h> DECLARE_GLOBAL_DATA_PTR; @@ -4739,10 +4740,11 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port) { int port_node = dev_of_offset(dev); const char *phy_mode_str; - int phy_node; + int phy_node, mdio_off, cp_node; u32 id; u32 phyaddr = 0; int phy_mode = -1; + u64 mdio_addr; phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy"); @@ -4752,6 +4754,28 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port) 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 + * connected to mdio on CP0. + * WA is to get mdio address from phy handler parent + * 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; + + if (port->priv->mdio_base < 0) { + dev_err(&pdev->dev, "could not find mdio base address\n"); + return -1; + } } else { phy_node = 0; } |