Module Name: src
Committed By: jmcneill
Date: Mon Oct 15 23:59:16 UTC 2018
Modified Files:
src/sys/dev/acpi: files.acpi
Added Files:
src/sys/dev/acpi: plgpio_acpi.c
Log Message:
Add ACPI glue for PL061 GPIO
To generate a diff of this commit:
cvs rdiff -u -r1.103 -r1.104 src/sys/dev/acpi/files.acpi
cvs rdiff -u -r0 -r1.1 src/sys/dev/acpi/plgpio_acpi.c
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/acpi/files.acpi
diff -u src/sys/dev/acpi/files.acpi:1.103 src/sys/dev/acpi/files.acpi:1.104
--- src/sys/dev/acpi/files.acpi:1.103 Fri Oct 12 23:26:18 2018
+++ src/sys/dev/acpi/files.acpi Mon Oct 15 23:59:16 2018
@@ -1,4 +1,4 @@
-# $NetBSD: files.acpi,v 1.103 2018/10/12 23:26:18 jmcneill Exp $
+# $NetBSD: files.acpi,v 1.104 2018/10/15 23:59:16 jmcneill Exp $
include "dev/acpi/acpica/files.acpica"
@@ -233,4 +233,8 @@ file dev/acpi/qemufwcfg_acpi.c qemufwcfg
attach ahcisata at acpinodebus with ahcisata_acpi
file dev/acpi/ahcisata_acpi.c ahcisata_acpi
+# ARM PrimeCell PL061 GPIO controller
+attach plgpio at acpinodebus with plgpio_acpi
+file dev/acpi/plgpio_acpi.c plgpio_acpi
+
include "dev/acpi/wmi/files.wmi"
Added files:
Index: src/sys/dev/acpi/plgpio_acpi.c
diff -u /dev/null src/sys/dev/acpi/plgpio_acpi.c:1.1
--- /dev/null Mon Oct 15 23:59:16 2018
+++ src/sys/dev/acpi/plgpio_acpi.c Mon Oct 15 23:59:16 2018
@@ -0,0 +1,103 @@
+/* $NetBSD: plgpio_acpi.c,v 1.1 2018/10/15 23:59:16 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2018 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jared McNeill <jmcne...@invisible.ca>.
+ *
+ * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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: plgpio_acpi.c,v 1.1 2018/10/15 23:59:16 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/cpu.h>
+#include <sys/device.h>
+#include <sys/gpio.h>
+
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpivar.h>
+
+#include <dev/gpio/gpiovar.h>
+#include <dev/ic/pl061var.h>
+
+static int plgpio_acpi_match(device_t, cfdata_t, void *);
+static void plgpio_acpi_attach(device_t, device_t, void *);
+
+CFATTACH_DECL_NEW(plgpio_acpi, sizeof(struct plgpio_softc), plgpio_acpi_match, plgpio_acpi_attach, NULL, NULL);
+
+static const char * const compatible[] = {
+ "ARMH0061",
+ NULL
+};
+
+static int
+plgpio_acpi_match(device_t parent, cfdata_t cf, void *aux)
+{
+ struct acpi_attach_args *aa = aux;
+
+ if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
+ return 0;
+
+ return acpi_match_hid(aa->aa_node->ad_devinfo, compatible);
+}
+
+static void
+plgpio_acpi_attach(device_t parent, device_t self, void *aux)
+{
+ struct plgpio_softc * const sc = device_private(self);
+ struct acpi_attach_args *aa = aux;
+ struct acpi_resources res;
+ struct acpi_mem *mem;
+ ACPI_STATUS rv;
+ int error;
+
+ sc->sc_dev = self;
+
+ rv = acpi_resource_parse(sc->sc_dev, aa->aa_node->ad_handle, "_CRS",
+ &res, &acpi_resource_parse_ops_default);
+ if (ACPI_FAILURE(rv))
+ return;
+
+ mem = acpi_res_mem(&res, 0);
+ if (mem == NULL) {
+ aprint_error_dev(self, "couldn't find mem resource\n");
+ goto done;
+ }
+
+ sc->sc_dev = self;
+ sc->sc_bst = aa->aa_memt;
+ error = bus_space_map(sc->sc_bst, mem->ar_base, mem->ar_length, 0, &sc->sc_bsh);
+ if (error) {
+ aprint_error_dev(self, "couldn't map registers\n");
+ return;
+ }
+
+ plgpio_attach(sc);
+
+done:
+ acpi_resource_cleanup(&res);
+}
