Date: Thu, 02 Aug 2012 06:17:26 +0900 (JST) From: Hiroki Sato <hrs@FreeBSD.org> To: freebsd-arm@FreeBSD.org Subject: DreamPlug LED Message-ID: <20120802.061726.2254798913983129673.hrs@allbsd.org>
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Hi,
I created the attached patch to add an LED control driver for
DreamPlug. Can someone test it? /dev/led/* will appear and "echo 1
> /dev/led/BT" will turn the LED on.
It is for stable/9 but almost applicable to head too. Please build a
kernel after adding the following lines into the kernel config file:
|include "../mv/kirkwood/std.dreamplug"
|makeoptions FDT_DTS_FILE=dreamplug.dts
-- Hiroki
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Index: sys/boot/fdt/dts/dreamplug.dts
===================================================================
--- sys/boot/fdt/dts/dreamplug.dts (revision 0)
+++ sys/boot/fdt/dts/dreamplug.dts (working copy)
@@ -0,0 +1,310 @@
+/*
+ * Copyright (c) 2010 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Semihalf under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * 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 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 AUTHOR 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.
+ *
+ * GlobalScale Technologies DreamPlug Device Tree Source.
+ *
+ * $FreeBSD$
+ */
+
+/dts-v1/;
+
+/ {
+ model = "GlobalScale Technologies Dreamplug";
+ compatible = "globalscale,dreamplug-003-ds2001", "globalscale,dreamplug", "marvell,kirkwood-88f6281", "marvell,kirkwood";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ aliases {
+ ethernet0 = &enet0;
+ ethernet1 = &enet1;
+ mpp = &MPP;
+ serial0 = &serial0;
+ serial1 = &serial1;
+ soc = &SOC;
+ sram = &SRAM;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "ARM,88FR131";
+ reg = <0x0>;
+ d-cache-line-size = <32>; // 32 bytes
+ i-cache-line-size = <32>; // 32 bytes
+ d-cache-size = <0x4000>; // L1, 16K
+ i-cache-size = <0x4000>; // L1, 16K
+ timebase-frequency = <0>;
+ bus-frequency = <0>;
+ clock-frequency = <0>;
+ };
+
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x20000000>; // 512M at 0x0
+ };
+
+ localbus@f1000000 {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ compatible = "mrvl,lbc";
+
+ /* This reflects CPU decode windows setup. */
+ ranges = <0x0 0x0f 0xf9300000 0x00100000
+ 0x1 0x1e 0xfa000000 0x00100000
+ 0x2 0x1d 0xfa100000 0x02000000
+ 0x3 0x1b 0xfc100000 0x00000400>;
+
+ nor@0,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0x0 0x0 0x00100000>;
+ bank-width = <2>;
+ device-width = <1>;
+ };
+
+ led@1,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "led";
+ reg = <0x1 0x0 0x00100000>;
+ };
+
+ nor@2,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "cfi-flash";
+ reg = <0x2 0x0 0x02000000>;
+ bank-width = <2>;
+ device-width = <1>;
+ };
+ };
+
+ SOC: soc88f6281@f1000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ ranges = <0x0 0xf1000000 0x00100000>;
+ bus-frequency = <0>;
+
+ PIC: pic@20200 {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ reg = <0x20200 0x3c>;
+ compatible = "mrvl,pic";
+ };
+
+ timer@20300 {
+ compatible = "mrvl,timer";
+ reg = <0x20300 0x30>;
+ interrupts = <1>;
+ interrupt-parent = <&PIC>;
+ mrvl,has-wdt;
+ };
+
+ MPP: mpp@10000 {
+ #pin-cells = <2>;
+ compatible = "mrvl,mpp";
+ reg = <0x10000 0x34>;
+ pin-count = <50>;
+ pin-map = <
+ 0 2 /* MPP[0]: SPI_SCn */
+ 1 2 /* MPP[1]: SPI_MOSI */
+ 2 2 /* MPP[2]: SPI_SCK */
+ 3 2 /* MPP[3]: SPI_MISO */
+ 6 1 /* MPP[6]: SYSRST_OUTn */
+ 8 2 /* MPP[8]: UA0_RTS */
+ 9 2 /* MPP[9]: UA0_CTS */
+ 10 3 /* MPP[10]: UA0_TXD */
+ 11 3 /* MPP[11]: UA0_RXD */
+ 12 1 /* MPP[12]: SD_CLK */
+ 13 1 /* MPP[13]: SD_CMD */
+ 14 1 /* MPP[14]: SD_D[0] */
+ 15 1 /* MPP[17]: SD_D[1] */
+ 21 5 /* MPP[21]: SATA0_AC */
+ 23 5 /* MPP[23]: SATA0_PR */
+ 28 0 /* MPP[28]: GPIO[28] */
+ 29 1 /* MPP[29]: TSMP[9] */
+ 37 4 /* MPP[37]: AU_SPDIFO */
+ 38 4 /* MPP[38]: AU_SPDOFRMCLK */
+ 39 4 /* MPP[39]: AU_I2SBCLK */
+ 40 4 /* MPP[40]: AU_I2SDO */
+ 41 4 /* MPP[41]: AU_I2SLRCLK */
+ 42 4 /* MPP[42]: AU_I2SMCLK */
+ 43 4 /* MPP[43]: AU_I2SDI */
+ 44 4 /* MPP[44]: AU_EXTCLK */
+ 47 0 /* MPP[47]: GPIO[47] BT LED */
+ 48 0 /* MPP[48]: GPIO[48] WLAN LED */
+ 49 0>; /* MPP[49]: GPIO[49] WLAN AP */
+ };
+
+ GPIO: gpio@10100 {
+ #gpio-cells = <3>;
+ compatible = "mrvl,gpio";
+ reg = <0x10100 0x20>;
+ gpio-controller;
+ interrupts = <35 36 37 38 39 40 41>;
+ interrupt-parent = <&PIC>;
+ pin-count = <50>;
+ };
+
+ gpioled@0 {
+ compatible = "mrvl,gpioled";
+
+ gpios = <&GPIO 47 2 0 /* GPIO[47] BT LED: OUT */
+ &GPIO 48 2 0 /* GPIO[48] WLAN LED: OUT */
+ &GPIO 49 2 0>; /* GPIO[49] WLAN AP LED: OUT */
+ };
+
+ rtc@10300 {
+ compatible = "mrvl,rtc";
+ reg = <0x10300 0x08>;
+ };
+
+ twsi@11000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "mrvl,twsi";
+ reg = <0x11000 0x20>;
+ interrupts = <43>;
+ interrupt-parent = <&PIC>;
+ };
+
+ enet0: ethernet@72000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "V2";
+ compatible = "mrvl,ge";
+ reg = <0x72000 0x2000>;
+ ranges = <0x0 0x72000 0x2000>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <12 13 14 11 46>;
+ interrupt-parent = <&PIC>;
+ phy-handle = <&phy0>;
+
+ mdio@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "mrvl,mdio";
+
+ phy0: ethernet-phy@0 {
+ reg = <0x0>;
+ };
+
+ phy1: ethernet-phy@1 {
+ reg = <0x1>;
+ };
+ };
+ };
+
+ enet1: ethernet@76000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "V2";
+ compatible = "mrvl,ge";
+ reg = <0x76000 0x02000>;
+ ranges = <0x0 0x76000 0x2000>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <16 17 18 15 47>;
+ interrupt-parent = <&PIC>;
+ phy-handle = <&phy1>;
+ };
+
+ serial0: serial@12000 {
+ compatible = "ns16550";
+ reg = <0x12000 0x20>;
+ reg-shift = <2>;
+ clock-frequency = <0>;
+ interrupts = <33>;
+ interrupt-parent = <&PIC>;
+ };
+
+ serial1: serial@12100 {
+ compatible = "ns16550";
+ reg = <0x12100 0x20>;
+ reg-shift = <2>;
+ clock-frequency = <0>;
+ interrupts = <34>;
+ interrupt-parent = <&PIC>;
+ };
+
+ crypto@30000 {
+ compatible = "mrvl,cesa";
+ reg = <0x30000 0x10000>;
+ interrupts = <22>;
+ interrupt-parent = <&PIC>;
+
+ sram-handle = <&SRAM>;
+ };
+
+ usb@50000 {
+ compatible = "mrvl,usb-ehci", "usb-ehci";
+ reg = <0x50000 0x1000>;
+ interrupts = <48 19>;
+ interrupt-parent = <&PIC>;
+ };
+
+ xor@60000 {
+ compatible = "mrvl,xor";
+ reg = <0x60000 0x1000>;
+ interrupts = <5 6 7 8>;
+ interrupt-parent = <&PIC>;
+ };
+
+ sata@80000 {
+ compatible = "mrvl,sata";
+ reg = <0x80000 0x6000>;
+ interrupts = <21>;
+ interrupt-parent = <&PIC>;
+ }
+
+ sdio@90000 {
+ compatible = "mrvl,sdio";
+ reg = <0x90000 0x134>;
+ interrupts = <28>;
+ interrupt-parent = <&PIC>;
+ };
+ };
+
+ SRAM: sram@fd000000 {
+ compatible = "mrvl,cesa-sram";
+ reg = <0xfd000000 0x00100000>;
+ };
+
+ chosen {
+ stdin = "serial0";
+ stdout = "serial0";
+ };
+
+};
Index: sys/arm/mv/mvvar.h
===================================================================
--- sys/arm/mv/mvvar.h (revision 238979)
+++ sys/arm/mv/mvvar.h (working copy)
@@ -45,6 +45,7 @@
#include <vm/pmap.h>
#include <machine/pmap.h>
#include <machine/vm.h>
+#include <machine/fdt.h>
#define MV_TYPE_PCI 0
#define MV_TYPE_PCIE 1
@@ -55,6 +56,13 @@
int gc_output; /* GPIO output value */
};
+typedef int (*gpios_phandler_t)(phandle_t, pcell_t *, int);
+
+struct gpio_ctrl_entry {
+ const char *compat;
+ gpios_phandler_t handler;
+};
+
struct decode_win {
int target; /* Mbus unit ID */
int attr; /* Attributes of the target interface */
Index: sys/arm/mv/gpioled.c
===================================================================
--- sys/arm/mv/gpioled.c (revision 0)
+++ sys/arm/mv/gpioled.c (working copy)
@@ -0,0 +1,206 @@
+/*-
+ * Copyright (c) 2012 Hiroki Sato <hrs@FreeBSD.org>.
+ * 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 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 AUTHOR 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.
+ *
+ * GPIO-LED bridge driver for Marvell GPIO Controller.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <machine/fdt.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/mv/mvreg.h>
+#include <arm/mv/mvvar.h>
+
+#include <dev/led/led.h>
+
+extern const char *gpioled_devdesc;
+extern const char *gpioled_namelist[];
+
+extern struct gpio_ctrl_entry gpio_controllers[];
+
+struct gpioled_ledlist {
+ LIST_ENTRY(gpioled_ledlist) list;
+
+ struct cdev *ll_cdev;
+ const char *ll_name;
+ int ll_pin;
+};
+
+struct gpioled_softc {
+ LIST_HEAD(, gpioled_ledlist) sc_llh;
+
+ device_t sc_dev;
+};
+
+static MALLOC_DEFINE(M_GPIOLED, "GPIOLED", "GPIO LED driver");
+
+static int
+led_probe(device_t dev)
+{
+
+ if (!ofw_bus_is_compatible(dev, "mrvl,gpioled"))
+ return (ENXIO);
+
+ device_set_desc(dev, gpioled_devdesc);
+
+ return (0);
+}
+
+static void
+led_onoff(void *args, int onoff)
+{
+ struct gpioled_ledlist *ll = (struct gpioled_ledlist *)args;
+
+ mv_gpio_out(ll->ll_pin, 0, onoff);
+}
+
+#define MAX_PINS_PER_NODE 5
+#define GPIOS_PROP_CELLS 4
+static int
+led_attach(device_t dev)
+{
+ struct gpioled_softc *sc = device_get_softc(dev);
+ struct gpio_ctrl_entry *e;
+ struct gpioled_ledlist *ll = NULL;
+ phandle_t node, ctrl = 0;
+ ihandle_t ctrl_ihandle;
+ pcell_t *g;
+ pcell_t gpios[MAX_PINS_PER_NODE * GPIOS_PROP_CELLS];
+ pcell_t gpio_cells, pincnt;
+ const char **nl;
+ int len, tuples, tuple_size;
+ int i;
+
+ sc->sc_dev = dev;
+ LIST_INIT(&sc->sc_llh);
+
+ if ((node = ofw_bus_get_node(dev)) == -1)
+ return (ENXIO);
+ if ((len = OF_getproplen(node, "gpios")) <= 0)
+ return (ENXIO);
+ OF_getprop(node, "gpios", &gpios, len);
+
+ e = (struct gpio_ctrl_entry *)&gpio_controllers;
+ for (; e->compat; e++) {
+ ctrl_ihandle = (ihandle_t)gpios[0];
+ ctrl_ihandle = fdt32_to_cpu(ctrl_ihandle);
+ ctrl = OF_instance_to_package(ctrl_ihandle);
+ if (fdt_is_compatible(ctrl, e->compat))
+ break;
+ }
+ if (e == NULL)
+ return (ENXIO);
+
+ if (OF_getprop(ctrl, "#gpio-cells", &gpio_cells,
+ sizeof(pcell_t)) < 0)
+ return (ENXIO);
+ gpio_cells = fdt32_to_cpu(gpio_cells);
+ if (gpio_cells != 3)
+ return (ENXIO);
+
+ tuple_size = gpio_cells * sizeof(pcell_t) + sizeof(phandle_t);
+ tuples = len / tuple_size;
+
+ if (OF_getprop(ctrl, "pin-count", &pincnt, sizeof(pcell_t)) < 0)
+ return (ENXIO);
+ pincnt = fdt32_to_cpu(pincnt);
+
+ g = (pcell_t *)&gpios;
+ nl = gpioled_namelist;
+
+ for (i = 0; i < tuples; i++) {
+ /* Ignore tuples if it too many than the name list. */
+ if (nl[i] == NULL)
+ break;
+
+ /* Skip controller reference. */
+ g += sizeof(ihandle_t) / sizeof(pcell_t);
+
+ /* The direction must be 2 (OUT). */
+ if (fdt32_to_cpu(g[1]) != 2)
+ continue;
+
+ /* Check maximum pin count. */
+ if (fdt32_to_cpu(g[0]) > pincnt)
+ continue;
+
+ ll = malloc(sizeof *ll, M_GPIOLED, M_WAITOK | M_ZERO);
+ ll->ll_pin = fdt32_to_cpu(g[0]);
+ ll->ll_name = nl[i];
+ ll->ll_cdev = led_create(led_onoff, ll, ll->ll_name);
+ if (bootverbose)
+ device_printf(dev, "Add LED device: %s(%d)\n",
+ ll->ll_name, ll->ll_pin);
+ LIST_INSERT_HEAD(&sc->sc_llh, ll, list);
+
+ g += gpio_cells;
+ }
+
+ return (0);
+}
+
+static int
+led_detach(device_t dev)
+{
+ struct gpioled_softc *sc = device_get_softc(dev);
+ struct gpioled_ledlist *ll;
+
+ while (!LIST_EMPTY(&sc->sc_llh)) {
+ ll = LIST_FIRST(&sc->sc_llh);
+ LIST_REMOVE(ll, list);
+ if (ll->ll_cdev != NULL)
+ led_destroy(ll->ll_cdev);
+ free(ll, M_GPIOLED);
+ }
+
+ return (0);
+}
+
+static device_method_t led_methods[] = {
+ DEVMETHOD(device_probe, led_probe),
+ DEVMETHOD(device_attach, led_attach),
+ DEVMETHOD(device_detach, led_detach),
+ {0, 0},
+};
+
+static driver_t led_driver = {
+ "gpioled",
+ led_methods,
+ sizeof(struct gpioled_softc),
+};
+
+static devclass_t led_devclass;
+DRIVER_MODULE(gpioled, simplebus, led_driver, led_devclass, 0, 0);
+MODULE_VERSION(gpioled, 1);
Index: sys/arm/mv/kirkwood/dreamplug_led.c
===================================================================
--- sys/arm/mv/kirkwood/dreamplug_led.c (revision 0)
+++ sys/arm/mv/kirkwood/dreamplug_led.c (working copy)
@@ -0,0 +1,36 @@
+/*-
+ * Copyright (c) 2012 Hiroki Sato <hrs@FreeBSD.org>.
+ * 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 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 AUTHOR 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>
+__FBSDID("$FreeBSD$");
+
+const char *gpioled_namelist[] = {
+ "BT", /* GPIO[47] */
+ "WLAN", /* GPIO[48] */
+ "WLANAP", /* GPIO[49] */
+ 0,
+};
+const char *gpioled_devdesc = "DreamPlug Front Panel LED Driver";
Index: sys/arm/mv/kirkwood/files.dreamplug
===================================================================
--- sys/arm/mv/kirkwood/files.dreamplug (revision 0)
+++ sys/arm/mv/kirkwood/files.dreamplug (working copy)
@@ -0,0 +1,6 @@
+# $FreeBSD: src/sys/arm/mv/kirkwood/files.sheevaplug,v 1.1.4.1 2011/09/23 00:51:37 kensmith Exp $
+
+include "arm/mv/kirkwood/files.kirkwood"
+arm/mv/kirkwood/sheevaplug.c standard
+arm/mv/gpioled.c standard
+arm/mv/kirkwood/dreamplug_led.c standard
Index: sys/arm/mv/kirkwood/std.dreamplug
===================================================================
--- sys/arm/mv/kirkwood/std.dreamplug (revision 0)
+++ sys/arm/mv/kirkwood/std.dreamplug (working copy)
@@ -0,0 +1,5 @@
+# $FreeBSD: src/sys/arm/mv/kirkwood/std.sheevaplug,v 1.3.2.1 2011/09/23 00:51:37 kensmith Exp $
+
+include "../mv/std.mv"
+include "../mv/kirkwood/std.kirkwood"
+files "../mv/kirkwood/files.dreamplug"
Index: sys/dev/ofw/ofw_bus_subr.c
===================================================================
--- sys/dev/ofw/ofw_bus_subr.c (revision 238979)
+++ sys/dev/ofw/ofw_bus_subr.c (working copy)
@@ -167,7 +167,8 @@
onelen = strlen(onecompat);
while (len > 0) {
- if (strncasecmp(compat, onecompat, onelen) == 0)
+ if (strlen(compat) == onelen &&
+ strncasecmp(compat, onecompat, onelen) == 0)
/* Found it. */
return (1);
@@ -183,16 +184,31 @@
ofw_bus_is_compatible_strict(device_t dev, const char *compatible)
{
const char *compat;
+ size_t len;
if ((compat = ofw_bus_get_compat(dev)) == NULL)
return (0);
- if (strncasecmp(compat, compatible, strlen(compatible)) == 0)
+ len = strlen(compatible);
+
+ if (strlen(compat) == len &&
+ strncasecmp(compat, compatible, len) == 0)
return (1);
return (0);
}
+int
+ofw_bus_has_prop(device_t dev, const char *propname)
+{
+ phandle_t node;
+
+ if ((node = ofw_bus_get_node(dev)) == -1)
+ return (0);
+
+ return (OF_hasprop(node, propname));
+}
+
#ifndef FDT
void
ofw_bus_setup_iinfo(phandle_t node, struct ofw_bus_iinfo *ii, int intrsz)
Index: sys/dev/ofw/ofw_bus_subr.h
===================================================================
--- sys/dev/ofw/ofw_bus_subr.h (revision 238979)
+++ sys/dev/ofw/ofw_bus_subr.h (working copy)
@@ -74,4 +74,7 @@
int ofw_bus_is_compatible(device_t, const char *);
int ofw_bus_is_compatible_strict(device_t, const char *);
+/* Helper routine for checking exsistence of a prop */
+int ofw_bus_has_prop(device_t, const char *);
+
#endif /* !_DEV_OFW_OFW_BUS_SUBR_H_ */
Index: sys/dev/ofw/openfirm.c
===================================================================
--- sys/dev/ofw/openfirm.c (revision 238979)
+++ sys/dev/ofw/openfirm.c (working copy)
@@ -261,6 +261,14 @@
return (OFW_GETPROPLEN(ofw_obj, package, propname));
}
+/* Check exsistence of a property of a package. */
+int
+OF_hasprop(phandle_t package, const char *propname)
+{
+
+ return (OF_getproplen(package, propname) >= 0 ? 1 : 0);
+}
+
/* Get the value of a property of a package. */
ssize_t
OF_getprop(phandle_t package, const char *propname, void *buf, size_t buflen)
Index: sys/dev/ofw/openfirm.h
===================================================================
--- sys/dev/ofw/openfirm.h (revision 238979)
+++ sys/dev/ofw/openfirm.h (working copy)
@@ -105,6 +105,7 @@
ssize_t OF_getproplen(phandle_t node, const char *propname);
ssize_t OF_getprop(phandle_t node, const char *propname, void *buf,
size_t len);
+int OF_hasprop(phandle_t node, const char *propname);
ssize_t OF_searchprop(phandle_t node, const char *propname, void *buf,
size_t len);
ssize_t OF_getprop_alloc(phandle_t node, const char *propname,
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