Module Name: src
Committed By: jmcneill
Date: Sun May 28 00:38:40 UTC 2017
Modified Files:
src/sys/dev/fdt: files.fdt
Added Files:
src/sys/dev/fdt: cpus.c
Log Message:
Add CPUs ("/cpus" node) driver. CPUs is a container of cpu nodes.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/dev/fdt/cpus.c
cvs rdiff -u -r1.12 -r1.13 src/sys/dev/fdt/files.fdt
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/fdt/files.fdt
diff -u src/sys/dev/fdt/files.fdt:1.12 src/sys/dev/fdt/files.fdt:1.13
--- src/sys/dev/fdt/files.fdt:1.12 Sat Apr 29 11:00:56 2017
+++ src/sys/dev/fdt/files.fdt Sun May 28 00:38:40 2017
@@ -1,4 +1,4 @@
-# $NetBSD: files.fdt,v 1.12 2017/04/29 11:00:56 jmcneill Exp $
+# $NetBSD: files.fdt,v 1.13 2017/05/28 00:38:40 jmcneill Exp $
include "external/bsd/libfdt/conf/files.libfdt"
@@ -33,3 +33,7 @@ file dev/fdt/fdt_regulator.c fdtbus
file dev/fdt/fdt_reset.c fdtbus
file dev/fdt/fdt_rtc.c fdtbus
file dev/fdt/fdt_pinctrl.c fdtbus
+
+device cpus { } : fdtbus
+attach cpus at fdt
+file dev/fdt/cpus.c cpus
Added files:
Index: src/sys/dev/fdt/cpus.c
diff -u /dev/null src/sys/dev/fdt/cpus.c:1.1
--- /dev/null Sun May 28 00:38:40 2017
+++ src/sys/dev/fdt/cpus.c Sun May 28 00:38:40 2017
@@ -0,0 +1,76 @@
+/* $NetBSD: cpus.c,v 1.1 2017/05/28 00:38:40 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: cpus.c,v 1.1 2017/05/28 00:38:40 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/intr.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/kmem.h>
+
+#include <dev/fdt/fdtvar.h>
+
+static int cpus_match(device_t, cfdata_t, void *);
+static void cpus_attach(device_t, device_t, void *);
+
+CFATTACH_DECL_NEW(cpus, 0, cpus_match, cpus_attach, NULL, NULL);
+
+static int
+cpus_match(device_t parent, cfdata_t cf, void *aux)
+{
+ struct fdt_attach_args * const faa = aux;
+
+ return OF_finddevice("/cpus") == faa->faa_phandle;
+}
+
+static void
+cpus_attach(device_t parent, device_t self, void *aux)
+{
+ struct fdt_attach_args * const faa = aux;
+ const int phandle = faa->faa_phandle;
+ int child;
+
+ aprint_naive("\n");
+ aprint_normal("\n");
+
+ for (child = OF_child(phandle); child; child = OF_peer(child)) {
+ if (!fdtbus_status_okay(child))
+ continue;
+
+ struct fdt_attach_args cfaa = *faa;
+ cfaa.faa_phandle = child;
+ cfaa.faa_name = "cpu";
+ cfaa.faa_quiet = 0;
+
+ config_found(self, &cfaa, fdtbus_print);
+ }
+}
