d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dpaa: Don't assume the MDIO is on the same fman as the MAC

Browse Source 
The P5040 has the MDIO for FMAN2 on FMAN1 for some reason.  Instead of
trying to manually find the MDIO, use a real xref.
This commit is contained in:
Justin Hibbits 2022-11-28 17:03:15 -05:00
parent 69cc163001
commit 82abe70fe9
2 changed files with 17 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/dev/dpaa/fman_mdio.c
View File

@ -134,6 +134,8 @@ pqmdio_fdt_attach(device_t dev)
bus_get_resource(dev, SYS_RES_MEMORY, 0, &start, &count);
sc->sc_offset = start;
OF_device_register_xref(OF_xref_from_node(ofw_bus_get_node(dev)), dev);
mtx_init(&sc->sc_lock, device_get_nameunit(dev), "QorIQ MDIO lock",
MTX_DEF);

46
sys/dev/dpaa/if_dtsec_fdt.c
View File

@ -111,33 +111,11 @@ dtsec_fdt_probe(device_t dev)
return (BUS_PROBE_DEFAULT);
}
static int
find_mdio(phandle_t phy_node, device_t mac, device_t *mdio_dev)
{
device_t bus;
while (phy_node > 0) {
if (ofw_bus_node_is_compatible(phy_node, "fsl,fman-mdio"))
break;
phy_node = OF_parent(phy_node);
}
if (phy_node <= 0)
return (ENOENT);
bus = device_get_parent(mac);
*mdio_dev = ofw_bus_find_child_device_by_phandle(bus, phy_node);
if (*mdio_dev == NULL)
return (ENOENT);
return (0);
}
static int
dtsec_fdt_attach(device_t dev)
{
struct dtsec_softc *sc;
device_t phy_dev;
phandle_t enet_node, phy_node;
phandle_t fman_rxtx_node[2];
char phy_type[6];
@ -162,24 +140,30 @@ dtsec_fdt_attach(device_t dev)
else
return(ENXIO);
/* Get MAC memory offset in SoC */
rid = 0;
sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (sc->sc_mem == NULL)
return (ENXIO);
/* Get PHY address */
if (OF_getprop(enet_node, "phy-handle", (void *)&phy_node,
sizeof(phy_node)) <= 0)
return (ENXIO);
phy_node = OF_instance_to_package(phy_node);
phy_node = OF_node_from_xref(phy_node);
if (OF_getprop(phy_node, "reg", (void *)&sc->sc_phy_addr,
sizeof(sc->sc_phy_addr)) <= 0)
return (ENXIO);
if (find_mdio(phy_node, dev, &sc->sc_mdio) != 0)
phy_dev = OF_device_from_xref(OF_parent(phy_node));
if (phy_dev == NULL) {
device_printf(dev, "No PHY found.\n");
return (ENXIO);
}
sc->sc_mdio = phy_dev;
/* Get MAC memory offset in SoC */
rid = 0;
sc->sc_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (sc->sc_mem == NULL)
return (ENXIO);
/* Get PHY connection type */