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

Allow using the embedded EHCI host controller in Freescale SoCs

Browse Source 
by adding the missing bits. See ehci_fsl.c for their use.
This commit is contained in:
marcel 2012-11-03 21:05:32 +00:00
parent 05bf457ab4
commit 269a973540
2 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/dev/usb/controller/ehci.c
View File

@ -332,14 +332,18 @@ ehci_init(ehci_softc_t *sc)
sc->sc_noport = EHCI_HCS_N_PORTS(sparams);
sc->sc_bus.usbrev = USB_REV_2_0;
/* Reset the controller */
DPRINTF("%s: resetting\n", device_get_nameunit(sc->sc_bus.bdev));
if (!(sc->sc_flags & EHCI_SCFLG_DONTRESET)) {
/* Reset the controller */
DPRINTF("%s: resetting\n",
device_get_nameunit(sc->sc_bus.bdev));
err = ehci_hcreset(sc);
if (err) {
device_printf(sc->sc_bus.bdev, "reset timeout\n");
return (err);
err = ehci_hcreset(sc);
if (err) {
device_printf(sc->sc_bus.bdev, "reset timeout\n");
return (err);
}
}
/*
* use current frame-list-size selection 0: 1024*4 bytes 1: 512*4
* bytes 2: 256*4 bytes 3: unknown

2
sys/dev/usb/controller/ehci.h
View File

@ -345,6 +345,8 @@ typedef struct ehci_softc {
#define EHCI_SCFLG_TT 0x0020 /* transaction translator present */
#define EHCI_SCFLG_LOSTINTRBUG 0x0040 /* workaround for VIA / ATI chipsets */
#define EHCI_SCFLG_IAADBUG 0x0080 /* workaround for nVidia chipsets */
#define EHCI_SCFLG_DONTRESET 0x0100 /* don't reset ctrl. in ehci_init() */
#define EHCI_SCFLG_DONEINIT 0x1000 /* ehci_init() has been called. */
uint8_t sc_offs; /* offset to operational registers */
uint8_t sc_doorbell_disable; /* set on doorbell failure */