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path: root/sys/dev/usb/controller/atmegadci.c
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Diffstat (limited to 'sys/dev/usb/controller/atmegadci.c')
-rw-r--r--sys/dev/usb/controller/atmegadci.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/sys/dev/usb/controller/atmegadci.c b/sys/dev/usb/controller/atmegadci.c
index dc9372a..f296e30 100644
--- a/sys/dev/usb/controller/atmegadci.c
+++ b/sys/dev/usb/controller/atmegadci.c
@@ -672,7 +672,7 @@ atmegadci_interrupt(struct atmegadci_softc *sc)
* that like RESUME. Resume is set when there is at least 3
* milliseconds of inactivity on the USB BUS.
*/
- if (status & ATMEGA_UDINT_EORSMI) {
+ if (status & ATMEGA_UDINT_WAKEUPI) {
DPRINTFN(5, "resume interrupt\n");
@@ -700,7 +700,7 @@ atmegadci_interrupt(struct atmegadci_softc *sc)
/* disable suspend interrupt */
ATMEGA_WRITE_1(sc, ATMEGA_UDIEN,
- ATMEGA_UDINT_EORSMI |
+ ATMEGA_UDINT_WAKEUPE |
ATMEGA_UDINT_EORSTE);
/* complete root HUB interrupt endpoint */
@@ -1152,13 +1152,12 @@ atmegadci_clear_stall_sub(struct atmegadci_softc *sc, uint8_t ep_no,
ATMEGA_UECONX_STALLRQC);
do {
- temp = 0;
if (ep_type == UE_BULK) {
- temp |= ATMEGA_UECFG0X_EPTYPE2;
+ temp = ATMEGA_UECFG0X_EPTYPE2;
} else if (ep_type == UE_INTERRUPT) {
- temp |= ATMEGA_UECFG0X_EPTYPE3;
+ temp = ATMEGA_UECFG0X_EPTYPE3;
} else {
- temp |= ATMEGA_UECFG0X_EPTYPE1;
+ temp = ATMEGA_UECFG0X_EPTYPE1;
}
if (ep_dir & UE_DIR_IN) {
temp |= ATMEGA_UECFG0X_EPDIR;
@@ -1217,13 +1216,28 @@ atmegadci_init(struct atmegadci_softc *sc)
sc->sc_bus.methods = &atmegadci_bus_methods;
USB_BUS_LOCK(&sc->sc_bus);
-#if 0
- /* XXX TODO - currently done by boot strap */
+
+ /* make sure USB is enabled */
+ ATMEGA_WRITE_1(sc, ATMEGA_USBCON,
+ ATMEGA_USBCON_USBE |
+ ATMEGA_USBCON_FRZCLK);
/* enable USB PAD regulator */
ATMEGA_WRITE_1(sc, ATMEGA_UHWCON,
- ATMEGA_UHWCON_UVREGE | ATMEGA_UHWCON_UIMOD);
-#endif
+ ATMEGA_UHWCON_UVREGE |
+ ATMEGA_UHWCON_UIMOD);
+
+ /* the following register sets up the USB PLL, assuming 16MHz X-tal */
+ ATMEGA_WRITE_1(sc, 0x49 /* PLLCSR */, 0x14 | 0x02);
+
+ /* wait for PLL to lock */
+ for (n = 0; n != 20; n++) {
+ if (ATMEGA_READ_1(sc, 0x49) & 0x01)
+ break;
+ /* wait a little bit for PLL to start */
+ usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100);
+ }
+
/* make sure USB is enabled */
ATMEGA_WRITE_1(sc, ATMEGA_USBCON,
ATMEGA_USBCON_USBE |
@@ -1847,6 +1861,11 @@ tr_handle_clear_port_feature:
/* clear connect change flag */
sc->sc_flags.change_connect = 0;
+ if (!sc->sc_flags.status_bus_reset) {
+ /* we are not connected */
+ break;
+ }
+
/* configure the control endpoint */
/* select endpoint number */
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