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Switch to using ofw_bus_search_compatible() table-driven compat lookup.

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Add compat strings for Freescale Vybrid family SoCs.
This commit is contained in:
Ian Lepore 2013-10-26 15:15:31 +00:00
parent 8cde1e8a69
commit 21104c7028
1 changed files with 42 additions and 23 deletions
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65
sys/dev/ffec/if_ffec.c
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@ -85,6 +85,38 @@ __FBSDID("$FreeBSD$");
#include <dev/mii/miivar.h>
#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);
}