diff options
| author | marcel <marcel@FreeBSD.org> | 2012-11-03 21:05:32 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2012-11-03 21:05:32 +0000 |
| commit | 269a9735403a6d34b6f08a80847e2892e5b638f9 (patch) | |
| tree | bc6bf1c23415a6c7599c9b8c3da44c7e0ee8fde1 | |
| parent | 05bf457ab4327714f04e143429924752a9cf7088 (diff) | |
| download | FreeBSD-src-269a9735403a6d34b6f08a80847e2892e5b638f9.zip FreeBSD-src-269a9735403a6d34b6f08a80847e2892e5b638f9.tar.gz | |
Allow using the embedded EHCI host controller in Freescale SoCs
by adding the missing bits. See ehci_fsl.c for their use.
| -rw-r--r-- | sys/dev/usb/controller/ehci.c | 16 | ||||
| -rw-r--r-- | sys/dev/usb/controller/ehci.h | 2 |
2 files changed, 12 insertions, 6 deletions
diff --git a/sys/dev/usb/controller/ehci.c b/sys/dev/usb/controller/ehci.c index 19fdad7..b301ea4 100644 --- a/sys/dev/usb/controller/ehci.c +++ b/sys/dev/usb/controller/ehci.c @@ -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 diff --git a/sys/dev/usb/controller/ehci.h b/sys/dev/usb/controller/ehci.h index b8b6985..6fba4d4 100644 --- a/sys/dev/usb/controller/ehci.h +++ b/sys/dev/usb/controller/ehci.h @@ -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 */ |
