diff --git a/sys/dev/ffec/if_ffec.c b/sys/dev/ffec/if_ffec.c index 5025c8a29119..d3f2e635dc05 100644 --- a/sys/dev/ffec/if_ffec.c +++ b/sys/dev/ffec/if_ffec.c @@ -85,6 +85,38 @@ __FBSDID("$FreeBSD$"); #include #include "miibus_if.h" +/* + * There are small differences in the hardware on various SoCs. Not every SoC + * we support has its own FECTYPE; most work as GENERIC and only the ones that + * need different handling get their own entry. In addition to the types in + * this list, there are some flags below that can be ORed into the upper bits. + */ +enum { + FECTYPE_NONE, + FECTYPE_GENERIC, + FECTYPE_IMX53, + FECTYPE_IMX6, +}; + +/* + * Flags that describe general differences between the FEC hardware in various + * SoCs. These are ORed into the FECTYPE enum values. + */ +#define FECTYPE_MASK 0x0000ffff +#define FECFLAG_GBE (0x0001 << 16) + +/* + * Table of supported FDT compat strings and their associated FECTYPE values. + */ +static struct ofw_compat_data compat_data[] = { + {"fsl,imx51-fec", FECTYPE_GENERIC}, + {"fsl,imx53-fec", FECTYPE_IMX53}, + {"fsl,imx6q-fec", FECTYPE_IMX6 | FECFLAG_GBE}, + {"fsl,mvf600-fec", FECTYPE_GENERIC}, + {"fsl,vf-fec", FECTYPE_GENERIC}, + {NULL, FECTYPE_NONE}, +}; + /* * Driver data and defines. */ @@ -108,13 +140,6 @@ enum { PHY_CONN_RGMII }; -enum { - FECTYPE_GENERIC, - FECTYPE_IMX51, - FECTYPE_IMX53, - FECTYPE_IMX6, -}; - struct ffec_softc { device_t dev; device_t miibus; @@ -226,7 +251,7 @@ ffec_miigasket_setup(struct ffec_softc *sc) * We only need the gasket for MII and RMII connections on certain SoCs. */ - switch (sc->fectype) + switch (sc->fectype & FECTYPE_MASK) { case FECTYPE_IMX53: break; @@ -1404,14 +1429,7 @@ ffec_attach(device_t dev) * There are differences in the implementation and features of the FEC * hardware on different SoCs, so figure out what type we are. */ - if (ofw_bus_is_compatible(dev, "fsl,imx51-fec")) - sc->fectype = FECTYPE_IMX51; - else if (ofw_bus_is_compatible(dev, "fsl,imx53-fec")) - sc->fectype = FECTYPE_IMX53; - else if (ofw_bus_is_compatible(dev, "fsl,imx6q-fec")) - sc->fectype = FECTYPE_IMX6; - else - sc->fectype = FECTYPE_GENERIC; + sc->fectype = ofw_bus_search_compatible(dev, compat_data)->ocd_data; /* * We have to be told what kind of electrical connection exists between @@ -1691,15 +1709,16 @@ out: static int ffec_probe(device_t dev) { + uintptr_t fectype; - if (ofw_bus_is_compatible(dev, "fsl,imx51-fec") || - ofw_bus_is_compatible(dev, "fsl,imx53-fec")) { - device_set_desc(dev, "Freescale Fast Ethernet Controller"); - } else if (ofw_bus_is_compatible(dev, "fsl,imx6q-fec")) { - device_set_desc(dev, "Freescale Gigabit Ethernet Controller"); - } else { + fectype = ofw_bus_search_compatible(dev, compat_data)->ocd_data; + if (fectype == FECTYPE_NONE) return (ENXIO); - } + + device_set_desc(dev, (fectype & FECFLAG_GBE) ? + "Freescale Gigabit Ethernet Controller" : + "Freescale Fast Ethernet Controller"); + return (BUS_PROBE_DEFAULT); }