svn commit: r260281 - head/sys/arm/arm
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Sat Jan 4 20:59:04 UTC 2014
Author: nwhitehorn
Date: Sat Jan 4 20:59:03 2014
New Revision: 260281
URL: http://svnweb.freebsd.org/changeset/base/260281
Log:
Implement OFW_BUS_MAP_INTR() in terms of the FDT PIC table, which will
become an ARM-specific quirk.
Modified:
head/sys/arm/arm/nexus.c
Modified: head/sys/arm/arm/nexus.c
==============================================================================
--- head/sys/arm/arm/nexus.c Sat Jan 4 19:51:57 2014 (r260280)
+++ head/sys/arm/arm/nexus.c Sat Jan 4 20:59:03 2014 (r260281)
@@ -64,7 +64,9 @@ __FBSDID("$FreeBSD$");
#ifdef FDT
#include <dev/ofw/ofw_nexus.h>
+#include <dev/fdt/fdt_common.h>
#include <machine/fdt.h>
+#include "ofw_bus_if.h"
#else
static MALLOC_DEFINE(M_NEXUSDEV, "nexusdev", "Nexus device");
@@ -94,6 +96,11 @@ static int nexus_setup_intr(device_t dev
int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg, void **cookiep);
static int nexus_teardown_intr(device_t, device_t, struct resource *, void *);
+#ifdef FDT
+static int nexus_ofw_map_intr(device_t dev, device_t child, phandle_t iparent,
+ int irq);
+#endif
+
static device_method_t nexus_methods[] = {
#ifndef FDT
/* Device interface */
@@ -109,6 +116,9 @@ static device_method_t nexus_methods[] =
DEVMETHOD(bus_deactivate_resource, nexus_deactivate_resource),
DEVMETHOD(bus_setup_intr, nexus_setup_intr),
DEVMETHOD(bus_teardown_intr, nexus_teardown_intr),
+#ifdef FDT
+ DEVMETHOD(ofw_bus_map_intr, nexus_ofw_map_intr),
+#endif
{ 0, 0 }
};
@@ -300,3 +310,33 @@ nexus_deactivate_resource(device_t bus,
return (rman_deactivate_resource(res));
}
+#ifdef FDT
+static int
+nexus_ofw_map_intr(device_t dev, device_t child, phandle_t iparent, int irq)
+{
+ pcell_t intr[2];
+ fdt_pic_decode_t intr_decode;
+ phandle_t intr_offset;
+ int i, rv, interrupt, trig, pol;
+
+ intr_offset = OF_xref_phandle(iparent);
+ intr[0] = cpu_to_fdt32(irq);
+
+ for (i = 0; fdt_pic_table[i] != NULL; i++) {
+ intr_decode = fdt_pic_table[i];
+ rv = intr_decode(intr_offset, intr, &interrupt, &trig, &pol);
+
+ if (rv == 0) {
+ /* This was recognized as our PIC and decoded. */
+ interrupt = FDT_MAP_IRQ(intr_parent, interrupt);
+ return (interrupt);
+ }
+ }
+
+ /* Not in table, so guess */
+ interrupt = FDT_MAP_IRQ(intr_parent, fdt32_to_cpu(*intr));
+
+ return (interrupt);
+}
+#endif
+
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