[src/trunk]: src/sys/arch/evbppc Add OpenBlockS266 GPIO LED Driver.

[shige <shige%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cabf9a90cfcc
branches:  trunk
changeset: 573283:cabf9a90cfcc
user:      shige <shige%NetBSD.org@localhost>
date:      Mon Jan 24 18:47:37 2005 +0000

description:
Add OpenBlockS266 GPIO LED Driver.

diffstat:

 sys/arch/evbppc/conf/OPENBLOCKS266  |    7 +-
 sys/arch/evbppc/conf/files.obs405   |    6 +-
 sys/arch/evbppc/include/obs405.h    |   20 ++++++-
 sys/arch/evbppc/obs405/dev/obsled.c |  111 ++++++++++++++++++++++++++++++++++++
 sys/arch/evbppc/obs405/md_machdep.c |   10 ++-
 5 files changed, 149 insertions(+), 5 deletions(-)

diffs (244 lines):

diff -r 9917a3f38fb7 -r cabf9a90cfcc sys/arch/evbppc/conf/OPENBLOCKS266
--- a/sys/arch/evbppc/conf/OPENBLOCKS266        Mon Jan 24 16:57:32 2005 +0000
+++ b/sys/arch/evbppc/conf/OPENBLOCKS266        Mon Jan 24 18:47:37 2005 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: OPENBLOCKS266,v 1.12 2004/11/24 20:49:20 bouyer Exp $
+#      $NetBSD: OPENBLOCKS266,v 1.13 2005/01/24 18:47:37 shige Exp $
 #
 #      GENERIC -- everything that's currently supported
 #
@@ -149,6 +149,11 @@
 iic0   at gpiic?                       # I2C bus
 xrtc0  at iic? addr 0x6f               # RTC
 
+gpio0  at opb? addr ? irq ?            # On-chip GPIO controller
+obsled0        at gpio? addr 0x0c              # OBS LED connected GPIO
+obsled1        at gpio? addr 0x0d              # OBS LED connected GPIO
+obsled2        at gpio? addr 0x0e              # OBS LED connected GPIO
+
 pchb0  at plb?                         # PCI-Host bridges
 
 pci*   at pchb?
diff -r 9917a3f38fb7 -r cabf9a90cfcc sys/arch/evbppc/conf/files.obs405
--- a/sys/arch/evbppc/conf/files.obs405 Mon Jan 24 16:57:32 2005 +0000
+++ b/sys/arch/evbppc/conf/files.obs405 Mon Jan 24 18:47:37 2005 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.obs405,v 1.8 2005/01/18 17:57:41 shige Exp $
+#      $NetBSD: files.obs405,v 1.9 2005/01/24 18:47:37 shige Exp $
 #
 # obs405-specific configuration info
 
@@ -14,6 +14,10 @@
 file   arch/evbppc/obs405/consinit.c
 file   arch/evbppc/obs405/md_machdep.c
 
+device obsled
+attach  obsled at gpio
+file   arch/evbppc/obs405/dev/obsled.c         obsled
+
 # Memory Disk for install kernel
 file   dev/md_root.c                           memory_disk_hooks
 
diff -r 9917a3f38fb7 -r cabf9a90cfcc sys/arch/evbppc/include/obs405.h
--- a/sys/arch/evbppc/include/obs405.h  Mon Jan 24 16:57:32 2005 +0000
+++ b/sys/arch/evbppc/include/obs405.h  Mon Jan 24 18:47:37 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: obs405.h,v 1.3 2005/01/21 19:24:11 shige Exp $ */
+/*     $NetBSD: obs405.h,v 1.4 2005/01/24 18:47:37 shige Exp $ */
 
 /*
  * Copyright 2004 Shigeyuki Fukushima.
@@ -65,13 +65,31 @@
 
 #include <dev/ic/comreg.h>
 
+/*
+ * Device Properties for OpenBlockS
+ */
+
+/* UART Clock */
 #define OBS405_COM_FREQ                (COM_FREQ * 4)  /* UART CLK 7.3728 MHz */
 
+/* GPIO LED */
+/* XXX: support only OpenBlockS266 LED */
+#define OBS405_LED1            (1)
+#define OBS405_LED2            (2)
+#define OBS405_LED4            (4)
+#define OBS405_LED_ON          (OBS405_LED1 | OBS405_LED2 | OBS405_LED4)
+#define OBS405_LED_OFF         (~OBS405_LED1 & ~OBS405_LED2 & ~OBS405_LED4)
+
+#define OBS405_GPIO_LED1       (12)
+#define OBS405_GPIO_LED2       (13)
+#define OBS405_GPIO_LED4       (14)
+
 /*
  * extern variables and functions
  */
 extern void obs405_consinit(void);
 extern void obs405_cpu_startup(void);
 extern void obs405_device_register(struct device *dev, void *aux);
+extern void obs405_led_set(int led);
 
 #endif /* _EVBPPC_OBS405_H_ */
diff -r 9917a3f38fb7 -r cabf9a90cfcc sys/arch/evbppc/obs405/dev/obsled.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/evbppc/obs405/dev/obsled.c       Mon Jan 24 18:47:37 2005 +0000
@@ -0,0 +1,111 @@
+/*     $NetBSD: obsled.c,v 1.1 2005/01/24 18:47:37 shige Exp $ */
+
+/*
+ * Copyright (c) 2004 Shigeyuki Fukushima.
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * 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: obsled.c,v 1.1 2005/01/24 18:47:37 shige Exp $");
+
+#include <sys/param.h>
+#include <sys/device.h>
+#include <sys/queue.h>
+#include <sys/systm.h>
+
+#include <machine/obs405.h>
+
+#include <powerpc/ibm4xx/dev/gpiovar.h>
+
+struct obsled_softc {
+        struct device sc_dev;
+       gpio_tag_t sc_tag;
+        int sc_addr;
+};
+
+static void    obsled_attach(struct device *, struct device *, void *);
+static int     obsled_match(struct device *, struct cfdata *, void *);
+
+CFATTACH_DECL(obsled, sizeof(struct obsled_softc),
+       obsled_match, obsled_attach, NULL, NULL);
+
+static int
+obsled_match(struct device *parent, struct cfdata *cf, void *aux)
+{
+        struct gpio_attach_args *ga = aux;
+
+       /* XXX: support only OpenBlockS266 LED */
+        if (ga->ga_addr == OBS405_GPIO_LED1)
+                return (1);
+        else if (ga->ga_addr == OBS405_GPIO_LED2)
+                return (1);
+        else if (ga->ga_addr == OBS405_GPIO_LED4)
+                return (1);
+
+        return (0);
+}
+
+static void
+obsled_attach(struct device *parent, struct device *self, void *aux)
+{
+        struct obsled_softc *sc = (struct obsled_softc *)self;
+        struct gpio_attach_args *ga = aux;
+       int led = (1 << sc->sc_dev.dv_unit);
+
+        aprint_naive(": OpenBlockS LED%d\n", led);
+        aprint_normal(": OpenBlockS LED%d\n", led);
+
+        sc->sc_tag = ga->ga_tag;
+        sc->sc_addr = ga->ga_addr;
+
+       obs405_led_set(OBS405_LED_OFF);
+#if 0
+       {
+               gpio_tag_t tag = sc->sc_tag;
+               (*(tag)->io_or_write)((tag)->cookie, sc->sc_addr, 0);
+       }
+#endif
+}
+
+void
+obs405_led_set(int led)
+{
+       struct device *dp = NULL;
+       struct devicelist *dlp = &alldevs;
+
+        for (dp = TAILQ_FIRST(dlp); dp != NULL; dp = TAILQ_NEXT(dp, dv_list)) {
+               if (dp->dv_cfdata != NULL
+                       && strcmp(dp->dv_cfdata->cf_name, "obsled") == 0) {
+                       struct obsled_softc *sc = (struct obsled_softc *)dp;
+                       gpio_tag_t tag = sc->sc_tag;
+                       int bit = (led & (1 << dp->dv_unit)) >> dp->dv_unit;
+                       (*(tag)->io_or_write)((tag)->cookie,
+                                       sc->sc_addr, (~bit & 1));
+               }
+       }
+}
diff -r 9917a3f38fb7 -r cabf9a90cfcc sys/arch/evbppc/obs405/md_machdep.c
--- a/sys/arch/evbppc/obs405/md_machdep.c       Mon Jan 24 16:57:32 2005 +0000
+++ b/sys/arch/evbppc/obs405/md_machdep.c       Mon Jan 24 18:47:37 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: md_machdep.c,v 1.2 2005/01/21 19:24:11 shige Exp $     */
+/*     $NetBSD: md_machdep.c,v 1.3 2005/01/24 18:47:37 shige Exp $     */
 /*     Original: machdep.c,v 1.3 2005/01/17 17:24:09 shige Exp $       */
 
 /*
@@ -68,7 +68,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: md_machdep.c,v 1.2 2005/01/21 19:24:11 shige Exp $");
+__KERNEL_RCSID(0, "$NetBSD: md_machdep.c,v 1.3 2005/01/24 18:47:37 shige Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_ddb.h"
@@ -212,6 +212,8 @@
        static char str[256];
        char *ap = str, *ap1 = ap;
 
+       obs405_led_set(OBS405_LED_ON);
+
        boothowto = howto;
        if (!cold && !(howto & RB_NOSYNC) && !syncing) {
                syncing = 1;
@@ -233,7 +235,9 @@
        if (howto & RB_HALT) {
                printf("halted\n\n");
 
+#if 0
                goto reboot;    /* XXX for now... */
+#endif
 
 #ifdef DDB
                printf("dropping to debugger\n");
@@ -264,7 +268,9 @@
        /* flush cache for msgbuf */
        __syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE));
 
+#if 0
  reboot:
+#endif
        ppc4xx_reset();
 
        printf("ppc4xx_reset() failed!\n");