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Index: sys/arm/arm/pmu.c
===================================================================
--- sys/arm/arm/pmu.c
+++ sys/arm/arm/pmu.c
@@ -60,7 +60,7 @@
#include <machine/cpu.h>
#include <machine/intr.h>
-#ifdef notyet
+#ifdef __aarch64__
#define MAX_RLEN 8
#else
#define MAX_RLEN 1
@@ -74,8 +74,7 @@
static struct resource_spec pmu_spec[] = {
{ SYS_RES_IRQ, 0, RF_ACTIVE },
- /* We don't currently handle pmu events, other than on cpu 0 */
-#ifdef notyet
+#ifdef __aarch64__
{ SYS_RES_IRQ, 1, RF_ACTIVE | RF_OPTIONAL },
{ SYS_RES_IRQ, 2, RF_ACTIVE | RF_OPTIONAL },
{ SYS_RES_IRQ, 3, RF_ACTIVE | RF_OPTIONAL },
@@ -137,12 +136,27 @@
#if defined(__arm__) && (__ARM_ARCH > 6)
uint32_t iesr;
#endif
+#ifdef __aarch64__
+ int ncpus;
+ phandle_t node;
+ phandle_t *cpus;
+ device_t cpudev;
+ int cpuid;
+#endif
int err;
int i;
sc = device_get_softc(dev);
sc->dev = dev;
+#ifdef __aarch64__
+ node = ofw_bus_get_node(dev);
+ ncpus = OF_getencprop_alloc_multi(node, "interrupt-affinity",
+ sizeof(*cpus), (void **)&cpus);
+ if (ncpus <= 0)
+ ncpus = 0;
+#endif
+
if (bus_alloc_resources(dev, pmu_spec, sc->res)) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
@@ -159,6 +173,19 @@
device_printf(dev, "Unable to setup interrupt handler.\n");
return (ENXIO);
}
+#ifdef __aarch64__
+ if (i < ncpus) {
+ cpudev = OF_device_from_xref(cpus[i]);
+ if (cpudev) {
+ cpuid = device_get_unit(cpudev);
+ if (bootverbose)
+ device_printf(dev, "affinity entry #%d -> CPU%d\n",
+ i, cpuid);
+ bus_bind_intr(dev, sc->res[i], cpuid);
+ } else
+ device_printf(dev, "could not get CPU device for entry %d\n", i);
+ }
+#endif
}
#if defined(__arm__) && (__ARM_ARCH > 6)
@@ -181,6 +208,7 @@
#ifdef FDT
static struct ofw_compat_data compat_data[] = {
{"arm,armv8-pmuv3", 1},
+ {"arm,cortex-a53-pmu", 1},
{"arm,cortex-a17-pmu", 1},
{"arm,cortex-a15-pmu", 1},
{"arm,cortex-a12-pmu", 1},
Index: sys/dev/ofw/ofw_cpu.c
===================================================================
--- sys/dev/ofw/ofw_cpu.c
+++ sys/dev/ofw/ofw_cpu.c
@@ -205,6 +205,7 @@
struct ofw_cpulist_softc *psc;
struct ofw_cpu_softc *sc;
phandle_t node;
+ intptr_t xref;
pcell_t cell;
int rv;
#ifdef EXT_RESOURCES
@@ -299,6 +300,11 @@
if (sc->sc_nominal_mhz != 0 && bootverbose)
device_printf(dev, "Nominal frequency %dMhz\n",
sc->sc_nominal_mhz);
+
+ xref = OF_xref_from_node(node);
+ /* Register xref */
+ OF_device_register_xref(xref, dev);
+
bus_generic_probe(dev);
return (bus_generic_attach(dev));
}

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