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- psim device support

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- comment out re-enabling of interrupts until problems are sorted

Approved by: benno
This commit is contained in:
Peter Grehan 2002-09-19 04:32:25 +00:00
parent 1ce0c6b147
commit 6f1808faf4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103603
1 changed files with 37 additions and 16 deletions
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53
sys/powerpc/powerpc/openpic.c
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@ -127,12 +127,15 @@ openpic_probe(device_t dev)
struct openpic_softc *sc;
phandle_t node, parent;
char *type;
char *compat;
u_int32_t reg[5], val;
vm_offset_t macio_base;
vm_offset_t opic_base;
sc = device_get_softc(dev);
node = nexus_get_node(dev);
type = nexus_get_device_type(dev);
compat = nexus_get_compatible(dev);
if (type == NULL)
return (ENXIO);
@ -140,16 +143,28 @@ openpic_probe(device_t dev)
if (strcmp(type, "open-pic") != 0)
return (ENXIO);
parent = OF_parent(node);
if (OF_getprop(parent, "assigned-addresses", reg, sizeof(reg)) < 20)
return (ENXIO);
macio_base = (vm_offset_t)reg[2];
if (strcmp(compat, "psim,open-pic") == 0) {
sc->sc_psim = 1;
if (OF_getprop(node, "reg", reg, sizeof(reg)) < 8)
return (ENXIO);
if (OF_getprop(node, "reg", reg, sizeof(reg)) < 8)
return (ENXIO);
sc->sc_base = (vm_offset_t)pmap_mapdev(macio_base + reg[0],
OPENPIC_SIZE);
opic_base = reg[1];
} else {
parent = OF_parent(node);
if (OF_getprop(parent, "assigned-addresses",
reg, sizeof(reg)) < 20)
return (ENXIO);
macio_base = (vm_offset_t)reg[2];
if (OF_getprop(node, "reg", reg, sizeof(reg)) < 8)
return (ENXIO);
opic_base = macio_base + reg[0];
}
sc->sc_base = (vm_offset_t)pmap_mapdev(opic_base, OPENPIC_SIZE);
val = openpic_read(sc, OPENPIC_FEATURE);
switch (val & OPENPIC_FEATURE_VERSION_MASK) {
@ -168,9 +183,9 @@ openpic_probe(device_t dev)
}
sc->sc_ncpu = ((val & OPENPIC_FEATURE_LAST_CPU_MASK) >>
OPENPIC_FEATURE_LAST_CPU_SHIFT) + 1;
OPENPIC_FEATURE_LAST_CPU_SHIFT);
sc->sc_nirq = ((val & OPENPIC_FEATURE_LAST_IRQ_MASK) >>
OPENPIC_FEATURE_LAST_IRQ_SHIFT) + 1;
OPENPIC_FEATURE_LAST_IRQ_SHIFT);
device_set_desc(dev, "OpenPIC interrupt controller");
return (0);
@ -187,7 +202,7 @@ openpic_attach(device_t dev)
device_printf(dev,
"Version %s, supports up to %d CPUs and up to %d irqs\n",
sc->sc_version, sc->sc_ncpu, sc->sc_nirq);
sc->sc_version, sc->sc_ncpu+1, sc->sc_nirq+1);
sc->sc_rman.rm_type = RMAN_ARRAY;
sc->sc_rman.rm_descr = device_get_nameunit(dev);
@ -199,7 +214,7 @@ openpic_attach(device_t dev)
}
/* disable all interrupts */
for (irq = 0; irq < 256; irq++)
for (irq = 0; irq < sc->sc_nirq; irq++)
openpic_write(sc, OPENPIC_SRC_VECTOR(irq), OPENPIC_IMASK);
openpic_set_priority(sc, 0, 15);
@ -228,7 +243,7 @@ openpic_attach(device_t dev)
openpic_set_priority(sc, 0, 0);
/* clear all pending interrupts */
for (irq = 0; irq < 256; irq++) {
for (irq = 0; irq < sc->sc_nirq; irq++) {
openpic_read_irq(sc, 0);
openpic_eoi(sc, 0);
}
@ -381,7 +396,13 @@ static void
openpic_eoi(struct openpic_softc *sc, int cpu)
{
openpic_write(sc, OPENPIC_EOI(cpu), 0);
openpic_read(sc, OPENPIC_EOI(cpu));
if (!sc->sc_psim) {
/*
* Probably not needed, since appropriate eieio/sync
* is done in out32rb. See Darwin src.
*/
openpic_read(sc, OPENPIC_EOI(cpu));
}
}
static void
@ -434,7 +455,7 @@ openpic_intr(void)
start:
openpic_disable_irq(softc, irq);
mtmsr(msr | PSL_EE);
/*mtmsr(msr | PSL_EE);*/
/* do the interrupt thang */
intr_handle(irq);