Author: bdragon
Date: Wed Sep 23 01:49:37 2020
New Revision: 366049
URL: https://svnweb.freebsd.org/changeset/base/366049
Log:
[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.
Modified:
head/sys/powerpc/powernv/opal_pci.c
head/sys/powerpc/powernv/xive.c
Modified: head/sys/powerpc/powernv/opal_pci.c
==============================================================================
--- head/sys/powerpc/powernv/opal_pci.c Wed Sep 23 01:41:51 2020
(r366048)
+++ head/sys/powerpc/powernv/opal_pci.c Wed Sep 23 01:49:37 2020
(r366049)
@@ -385,7 +385,7 @@ opalpci_attach(device_t dev)
(uintmax_t)sc->phb_id);
for (i = 0; i < entries; i++)
- sc->tce[i] = (i * tce_size) | OPAL_PCI_TCE_R | OPAL_PCI_TCE_W;
+ sc->tce[i] = htobe64((i * tce_size) | OPAL_PCI_TCE_R |
OPAL_PCI_TCE_W);
/* Map TCE for every PE. It seems necessary for Power8 */
for (i = 0; i < npe; i++) {
Modified: head/sys/powerpc/powernv/xive.c
==============================================================================
--- head/sys/powerpc/powernv/xive.c Wed Sep 23 01:41:51 2020
(r366048)
+++ head/sys/powerpc/powernv/xive.c Wed Sep 23 01:49:37 2020
(r366049)
@@ -377,6 +377,9 @@ xive_attach(device_t dev)
opal_call(OPAL_XIVE_GET_VP_INFO, xive_cpud->vp, NULL,
vtophys(&xive_cpud->cam), NULL, vtophys(&xive_cpud->chip));
+ xive_cpud->cam = be64toh(xive_cpud->cam);
+ xive_cpud->chip = be64toh(xive_cpud->chip);
+
/* Allocate the queue page and populate the queue state data. */
xive_cpud->queue.q_page = contigmalloc(PAGE_SIZE, M_XIVE,
M_ZERO | M_WAITOK, 0, BUS_SPACE_MAXADDR, PAGE_SIZE, 0);
@@ -707,6 +710,12 @@ xive_init_irq(struct xive_irq *irqd, u_int irq)
vtophys(&trig_phys), vtophys(&esb_shift),
vtophys(&irqd->chip));
+ irqd->flags = be64toh(irqd->flags);
+ eoi_phys = be64toh(eoi_phys);
+ trig_phys = be64toh(trig_phys);
+ esb_shift = be32toh(esb_shift);
+ irqd->chip = be32toh(irqd->chip);
+
irqd->girq = irq;
irqd->esb_size = 1 << esb_shift;
irqd->eoi_page = (vm_offset_t)pmap_mapdev(eoi_phys, irqd->esb_size);
@@ -721,6 +730,10 @@ xive_init_irq(struct xive_irq *irqd, u_int irq)
opal_call(OPAL_XIVE_GET_IRQ_CONFIG, irq, vtophys(&irqd->vp),
vtophys(&irqd->prio), vtophys(&irqd->lirq));
+
+ irqd->vp = be64toh(irqd->vp);
+ irqd->prio = be64toh(irqd->prio);
+ irqd->lirq = be32toh(irqd->lirq);
}
/* Allocate an IRQ struct before populating it. */
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