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[src/trunk]: src/sys/arch/arm/sociox add skelton external IRQ unit driver and...
details: https://anonhg.NetBSD.org/src/rev/c2d6057438d2
branches: trunk
changeset: 745973:c2d6057438d2
user: nisimura <nisimura%NetBSD.org@localhost>
date: Wed Mar 18 08:51:08 2020 +0000
description:
add skelton external IRQ unit driver and GPIO driver.
diffstat:
sys/arch/arm/sociox/sni_exiu.c | 125 +++++++++++++++++++++++++++++++++++
sys/arch/arm/sociox/sni_gpio.c | 143 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 268 insertions(+), 0 deletions(-)
diffs (276 lines):
diff -r 7b143977cb1e -r c2d6057438d2 sys/arch/arm/sociox/sni_exiu.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/sociox/sni_exiu.c Wed Mar 18 08:51:08 2020 +0000
@@ -0,0 +1,125 @@
+/* $NetBSD: sni_exiu.c,v 1.1 2020/03/18 08:51:08 nisimura Exp $ */
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Tohru Nishimura.
+ *
+ * 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.
+ */
+
+/*
+ * Socionext SC2A11 SynQuacer EXIU external interrupt controller driver
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: sni_exiu.c,v 1.1 2020/03/18 08:51:08 nisimura Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/intr.h>
+#include <sys/device.h>
+#include <sys/errno.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+
+#include <dev/fdt/fdtvar.h>
+
+static int sniexiu_match(device_t, struct cfdata *, void *);
+static void sniexiu_attach(device_t, device_t, void *);
+
+struct sniexiu_softc {
+ device_t sc_dev;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+ bus_addr_t sc_iob;
+ bus_size_t sc_ios;
+ int sc_phandle;
+};
+
+CFATTACH_DECL_NEW(sniexiu, sizeof(struct sniexiu_softc),
+ sniexiu_match, sniexiu_attach, NULL, NULL);
+
+/* ARGSUSED */
+static int
+sniexiu_match(device_t parent, struct cfdata *match, void *aux)
+{
+ static const char * compatible[] = {
+ "socionext,synquacer-exiu",
+ NULL
+ };
+ struct fdt_attach_args * const faa = aux;
+
+ return of_match_compatible(faa->faa_phandle, compatible);
+}
+
+/* ARGSUSED */
+static void
+sniexiu_attach(device_t parent, device_t self, void *aux)
+{
+ struct sniexiu_softc * const sc = device_private(self);
+ struct fdt_attach_args * const faa = aux;
+ prop_dictionary_t dict = device_properties(self);
+ const int phandle = faa->faa_phandle;
+ bus_space_handle_t ioh;
+ bus_addr_t addr;
+ bus_size_t size;
+ char intrstr[128];
+ _Bool disable;
+ int error;
+
+ prop_dictionary_get_bool(dict, "disable", &disable);
+ if (disable) {
+ aprint_naive(": disabled\n");
+ aprint_normal(": disabled\n");
+ return;
+ }
+ error = fdtbus_get_reg(phandle, 0, &addr, &size);
+ if (error) {
+ aprint_error(": couldn't get registers\n");
+ return;
+ }
+ error = bus_space_map(faa->faa_bst, addr, size, 0, &ioh);
+ if (error) {
+ aprint_error(": unable to map device\n");
+ return;
+ }
+ error = fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr));
+ if (error) {
+ aprint_error(": failed to decode interrupt\n");
+ return;
+ }
+
+ aprint_naive(": External IRQ controller\n");
+ aprint_normal(": External IRQ controller\n");
+
+ sc->sc_dev = self;
+ sc->sc_phandle = phandle;
+ sc->sc_iot = faa->faa_bst;
+ sc->sc_ioh = ioh;
+ sc->sc_iob = addr;
+ sc->sc_ios = size;
+
+ return;
+}
diff -r 7b143977cb1e -r c2d6057438d2 sys/arch/arm/sociox/sni_gpio.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/sociox/sni_gpio.c Wed Mar 18 08:51:08 2020 +0000
@@ -0,0 +1,143 @@
+/* $NetBSD: sni_gpio.c,v 1.1 2020/03/18 08:51:08 nisimura Exp $ */
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Tohru Nishimura.
+ *
+ * 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.
+ */
+
+/*
+ * Socionext SC2A11 SynQuacer GPIO driver
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: sni_gpio.c,v 1.1 2020/03/18 08:51:08 nisimura Exp $");
+
+#include <sys/param.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+#include <sys/gpio.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+
+#include <machine/endian.h>
+#include <sys/bus.h>
+#include <sys/intr.h>
+
+#include <dev/gpio/gpiovar.h>
+#include <dev/fdt/fdtvar.h>
+
+static int snigpio_match(device_t, struct cfdata *, void *);
+static void snigpio_attach(device_t, device_t, void *);
+
+struct snigpio_softc {
+ device_t sc_dev;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+ bus_addr_t sc_iob;
+ bus_size_t sc_ios;
+ kmutex_t sc_lock;
+ struct gpio_chipset_tag sc_gpio_gc;
+ gpio_pin_t sc_gpio_pins[32];
+ int sc_maxpins;
+ int sc_phandle;
+};
+
+CFATTACH_DECL_NEW(snigpio, sizeof(struct snigpio_softc),
+ snigpio_match, snigpio_attach, NULL, NULL);
+
+static int
+snigpio_match(device_t parent, struct cfdata *match, void *aux)
+{
+ static const char * compatible[] = {
+ "socionext,synquacer-gpio",
+ "fujitsu,mb86s70-gpio",
+ NULL
+ };
+ struct fdt_attach_args * const faa = aux;
+
+ return of_match_compatible(faa->faa_phandle, compatible);
+}
+
+static void
+snigpio_attach(device_t parent, device_t self, void *aux)
+{
+ struct snigpio_softc * const sc = device_private(self);
+ struct fdt_attach_args * const faa = aux;
+ prop_dictionary_t dict = device_properties(self);
+ const int phandle = faa->faa_phandle;
+ struct gpiobus_attach_args gba;
+ bus_space_handle_t ioh;
+ bus_addr_t addr;
+ bus_size_t size;
+ _Bool disable;
+ int error;
+
+ prop_dictionary_get_bool(dict, "disable", &disable);
+ if (disable) {
+ aprint_naive(": disabled\n");
+ aprint_normal(": disabled\n");
+ return;
+ }
+ error = fdtbus_get_reg(phandle, 0, &addr, &size);
+ if (error) {
+ aprint_error(": couldn't get registers\n");
+ return;
+ }
+ error = bus_space_map(faa->faa_bst, addr, size, 0, &ioh);
+ if (error) {
+ aprint_error(": unable to map device\n");
+ return;
+ }
+
+ aprint_naive(": GPIO controller\n");
+ aprint_normal(": GPIO controller\n");
+
+ sc->sc_dev = self;
+ sc->sc_phandle = phandle;
+ sc->sc_iot = faa->faa_bst;
+ sc->sc_ioh = ioh;
+ sc->sc_iob = addr;
+ sc->sc_ios = size;
+ mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_VM);
+ sc->sc_maxpins = 32;
+
+ /* create controller tag */
+ sc->sc_gpio_gc.gp_cookie = sc;
+ sc->sc_gpio_gc.gp_pin_read = NULL; /* AAA */
+ sc->sc_gpio_gc.gp_pin_write = NULL; /* AAA */
+ sc->sc_gpio_gc.gp_pin_ctl = NULL; /* AAA */
+ sc->sc_gpio_gc.gp_intr_establish = NULL; /* AAA */
+ sc->sc_gpio_gc.gp_intr_disestablish = NULL; /* AAA */
+ sc->sc_gpio_gc.gp_intr_str = NULL; /* AAA */
+
+ gba.gba_gc = &sc->sc_gpio_gc;
+ gba.gba_pins = &sc->sc_gpio_pins[0];
+ gba.gba_npins = sc->sc_maxpins;
+ (void) config_found_ia(self, "gpiobus", &gba, gpiobus_print);
+
+ return;
+}
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