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Code Issues Releases Activity

Moved busreset in uhci_init up to avoid clearing of FLBASE in Via 83572

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(PR1)
This commit is contained in:
Nick Hibma 1999-02-18 21:03:10 +00:00
parent 327f4e8394
commit e99cd85d69
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=44125
1 changed files with 8 additions and 11 deletions
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19
sys/dev/usb/uhci.c
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@ -314,6 +314,9 @@ uhci_init(sc)
uhci_run(sc, 0); /* stop the controller */
UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */
/* PR1 The VIA 823C572 reset FLBASEADDR as well */
uhci_busreset(sc);
/* Allocate and initialize real frame array. */
r = usb_allocmem(sc->sc_dmatag,
UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t),
@ -324,18 +327,12 @@ uhci_init(sc)
UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */
UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&dma)); /* set frame list */
/* PR1 moved uhci_busreset up */
#ifdef USB_DEBUG
/* PR1 */
if ( UREAD4(sc, UHCI_FLBASEADDR) != DMAADDR(&dma) )
printf("PR1:before busreset: FLBASEADDR = 0x%08x != DMADDR(&dma) = 0x%08x\n",
UREAD4(sc, UHCI_FLBASEADDR), DMAADDR(&dma));
#endif
uhci_busreset(sc);
#ifdef USB_DEBUG
/* PR1 */
if ( UREAD4(sc, UHCI_FLBASEADDR) != DMAADDR(&dma) )
printf("PR1:after busreset: FLBASEADDR = 0x%08x != DMADDR(&dma) = 0x%08x\n",
UREAD4(sc, UHCI_FLBASEADDR), DMAADDR(&dma));
printf("PR1:after busreset: FLBASEADDR=0x%08x, DMADDR(&dma)=0x%08x\n",
UREAD4(sc, UHCI_FLBASEADDR), DMAADDR(&dma));
#endif
/* Allocate the dummy QH where bulk traffic will be queued. */
bsqh = uhci_alloc_sqh(sc);
@ -888,7 +885,7 @@ uhci_waitintr(sc, reqh)
int usecs;
uhci_intr_info_t *ii;
DPRINTFN(10,("uhci_waitintr: timeout = %ds\n", timo));
DPRINTFN(15,("uhci_waitintr: timeout = %ds\n", timo));
reqh->status = USBD_IN_PROGRESS;
for (usecs = timo * 1000000 / hz; usecs > 0; usecs -= 1000) {