Copy IBM4xxGPx specific autoconf code from evbppc/walnut/autoconf.c.

2003-09-24 11:47:02 +00:00 · 2003-09-24 11:47:02 +00:00 · 0a36d23137
parent fdc3c14ea7
commit 0a36d23137
1 changed files with 125 additions and 0 deletions
--- a/sys/arch/powerpc/ibm4xx/ibm4xxgpx_autoconf.c
+++ b/sys/arch/powerpc/ibm4xx/ibm4xxgpx_autoconf.c
@ -0,0 +1,125 @@
+/*	$NetBSD: ibm4xxgpx_autoconf.c,v 1.1 2003/09/24 11:47:02 shige Exp $	*/
+
+/*
+ * Copyright (C) 1995, 1996 Wolfgang Solfrank.
+ * Copyright (C) 1995, 1996 TooLs GmbH.
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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: ibm4xxgpx_autoconf.c,v 1.1 2003/09/24 11:47:02 shige Exp $");
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/device.h>
+#include <sys/systm.h>
+
+#include <dev/ic/comreg.h>	/* For COM_FREQ */
+
+#include <powerpc/ibm4xx/dcr405gp.h>
+#include <powerpc/ibm4xx/dev/plbvar.h>
+
+struct device *booted_device;
+int booted_partition;
+
+/*
+ * List of port-specific devices to attach to the processor local bus.
+ */
+static const struct plb_dev local_plb_devs [] = {
+	{ "pbus", },
+	{ NULL }
+};
+
+/*
+ * Determine device configuration for a machine.
+ */
+void
+cpu_configure(void)
+{
+
+	intr_init();
+	calc_delayconst();
+
+	/* Make sure that timers run at CPU frequency */
+	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
+
+	if (config_rootfound("plb", &local_plb_devs) == NULL)
+		panic("configure: plb not configured");
+
+	printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO],
+	    (u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]);
+	
+	(void)spl0();
+
+	/*
+	 * Now allow hardware interrupts.
+	 */
+	asm volatile ("wrteei 1");
+}
+
+/*
+ * Setup root device.
+ * Configure swap area.
+ */
+void
+cpu_rootconf(void)
+{
+
+	setroot(booted_device, booted_partition);
+}
+
+void
+device_register(struct device *dev, void *aux)
+{
+	struct device *parent = dev->dv_parent;
+
+	if (strcmp(dev->dv_cfdata->cf_name, "com") == 0 &&
+	    strcmp(parent->dv_cfdata->cf_name, "opb") == 0) {
+		/* Set the frequency of the on-chip UART. */
+		int freq = COM_FREQ * 6;
+
+		if (prop_set(dev_propdb, dev, "frequency",
+			     &freq, sizeof(freq), PROP_INT, 0) != 0)
+			printf("WARNING: unable to set frequency "
+			    "property for %s\n", dev->dv_xname);
+		return;
+	}
+
+	if (strcmp(dev->dv_cfdata->cf_name, "emac") == 0 &&
+	    strcmp(parent->dv_cfdata->cf_name, "opb") == 0) {
+		/* Set the mac-addr of the on-chip Ethernet. */
+		/* XXX 405GP only has one; what about CPUs with two? */
+		if (prop_set(dev_propdb, dev, "mac-addr",
+			     &board_data.mac_address_local,
+			     sizeof(board_data.mac_address_local),
+			     PROP_CONST, 0) != 0)
+			printf("WARNING: unable to set mac-addr "
+			    "property for %s\n", dev->dv_xname);
+		return;
+	}
+}