[PowerPC64LE] Get XIVE up and running.
More endian conversion. * Install TCEs correctly (i.e. in big endian) * Convert to big endian and back when setting up queue pages and IRQs. Sponsored by: Tag1 Consulting, Inc.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=366049
@ -385,7 +385,7 @@ opalpci_attach(device_t dev)
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(uintmax_t)sc->phb_id);
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for (i = 0; i < entries; i++)
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sc->tce[i] = (i * tce_size) | OPAL_PCI_TCE_R | OPAL_PCI_TCE_W;
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sc->tce[i] = htobe64((i * tce_size) | OPAL_PCI_TCE_R | OPAL_PCI_TCE_W);
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/* Map TCE for every PE. It seems necessary for Power8 */
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for (i = 0; i < npe; i++) {
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@ -377,6 +377,9 @@ xive_attach(device_t dev)
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opal_call(OPAL_XIVE_GET_VP_INFO, xive_cpud->vp, NULL,
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vtophys(&xive_cpud->cam), NULL, vtophys(&xive_cpud->chip));
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xive_cpud->cam = be64toh(xive_cpud->cam);
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xive_cpud->chip = be64toh(xive_cpud->chip);
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/* Allocate the queue page and populate the queue state data. */
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xive_cpud->queue.q_page = contigmalloc(PAGE_SIZE, M_XIVE,
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M_ZERO | M_WAITOK, 0, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
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@ -707,6 +710,12 @@ xive_init_irq(struct xive_irq *irqd, u_int irq)
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vtophys(&trig_phys), vtophys(&esb_shift),
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vtophys(&irqd->chip));
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irqd->flags = be64toh(irqd->flags);
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eoi_phys = be64toh(eoi_phys);
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trig_phys = be64toh(trig_phys);
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esb_shift = be32toh(esb_shift);
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irqd->chip = be32toh(irqd->chip);
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irqd->girq = irq;
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irqd->esb_size = 1 << esb_shift;
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irqd->eoi_page = (vm_offset_t)pmap_mapdev(eoi_phys, irqd->esb_size);
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@ -721,6 +730,10 @@ xive_init_irq(struct xive_irq *irqd, u_int irq)
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opal_call(OPAL_XIVE_GET_IRQ_CONFIG, irq, vtophys(&irqd->vp),
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vtophys(&irqd->prio), vtophys(&irqd->lirq));
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irqd->vp = be64toh(irqd->vp);
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irqd->prio = be64toh(irqd->prio);
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irqd->lirq = be32toh(irqd->lirq);
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}
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/* Allocate an IRQ struct before populating it. */
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