Changes for imac support. support for VI computers and MCG Powerstack

will need to be merged back in. Both are currently untested.
mac interrupt support is currently a big hack and needs to be redesigned
as part of the system, several of the mac drivers need busified also.

1 files changed, 212 insertions, 0 deletions

diff --git a/sys/arch/powerpc/pci/macobio.c b/sys/arch/powerpc/pci/macobio.c
new file mode 100644
index 00000000000..f7d9de1b34b
--- /dev/null
+++ b/sys/arch/powerpc/pci/macobio.c
@@ -0,0 +1,212 @@
+/*	$NetBSD: obio.c,v 1.6 1999/05/01 10:36:08 tsubai Exp $	*/
+
+/*-
+ * Copyright (C) 1998	Internet Research Institute, Inc.
+ * 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
+ *	Internet Research Institute, Inc.
+ * 4. 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/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <dev/ofw/openfirm.h>
+
+#include <machine/bus.h>
+#include <machine/autoconf.h>
+
+static void obio_attach __P((struct device *, struct device *, void *));
+static int obio_match __P((struct device *, void *, void *));
+static int obio_print __P((void *, const char *));
+
+struct obio_softc {
+	struct device sc_dev;
+	int sc_node;
+	struct ppc_bus_space sc_membus_space;
+};
+struct cfdriver obio_cd = {
+	NULL, "macobio", DV_DULL,
+};
+
+
+struct cfattach obio_ca = {
+	sizeof(struct obio_softc), obio_match, obio_attach
+};
+
+int
+obio_match(parent, cf, aux)
+	struct device *parent;
+	void *cf;
+	void *aux;
+{
+	struct pci_attach_args *pa = aux;
+
+	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE)
+		switch (PCI_PRODUCT(pa->pa_id)) {
+
+		case 0x02:	/* gc */
+		case 0x07:	/* ohare */
+		case 0x10:	/* mac-io "Heathrow" */
+		case 0x17:	/* mac-io "Paddington" */
+			return 1;
+		}
+
+	return 0;
+}
+
+#define HEATHROW_FCR_OFFSET 0x38
+u_int32_t *heathrow_FCR = NULL;
+
+void prog_switch (void *arg)
+{
+	Debugger();
+}
+
+/*
+ * Attach all the sub-devices we can find
+ */
+void
+obio_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct obio_softc *sc = (struct obio_softc *)self;
+	struct pci_attach_args *pa = aux;
+	struct confargs ca;
+	int node, child, namelen;
+	u_int32_t reg[20];
+	int32_t intr[5];
+	char name[32];
+
+	printf("obio ver %x\n", (PCI_PRODUCT(pa->pa_id)));
+
+	switch (PCI_PRODUCT(pa->pa_id)) {
+
+	/* XXX should not use name */
+	case 0x02:
+		node = OF_finddevice("/bandit/gc");
+		break;
+
+	case 0x07:
+		node = OF_finddevice("/bandit/ohare");
+		break;
+
+	case 0x10:	/* heathrow */
+	case 0x17:	/* paddington */
+		node = OF_finddevice("mac-io");
+		if (node == -1)
+			node = OF_finddevice("/pci/mac-io");
+		if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg))
+			== (sizeof (reg[0]) * 5))
+		{
+			/* always ??? */
+			heathrow_FCR = mapiodev(reg[2] + HEATHROW_FCR_OFFSET,
+				4);
+			printf("heathrow fcr, %x\n", heathrow_FCR);
+		}
+		break;
+
+	default:
+		printf("obio_attach: unknown obio controller\n");
+		return;
+	}
+	sc->sc_node = node;
+
+	if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
+		return;
+	ca.ca_baseaddr = reg[2];
+
+	sc->sc_membus_space.bus_base = ca.ca_baseaddr;
+	{
+		extern u_int32_t *interrupt_reg;
+		/* OK THIS IS AN UGLY HACK */
+		void mac_do_pending_int();
+		void mac_ext_intr();
+		typedef void  (void_f) (void);
+		extern void_f *pending_int_f;
+
+		interrupt_reg = (void*)ca.ca_baseaddr;
+
+		install_extint(mac_ext_intr);
+		pending_int_f = mac_do_pending_int;
+
+		mac_intr_establish(0x14, IST_LEVEL, IPL_HIGH,
+			prog_switch, 0x14);
+	}
+
+	sc->sc_membus_space.bus_reverse = 1;
+
+	ca.ca_iot = &sc->sc_membus_space;
+
+	printf(": addr 0x%x\n", ca.ca_baseaddr);
+
+	for (child = OF_child(node); child; child = OF_peer(child)) {
+		namelen = OF_getprop(child, "name", name, sizeof(name));
+		if (namelen < 0)
+			continue;
+		if (namelen >= sizeof(name))
+			continue;
+
+		name[namelen] = 0;
+		ca.ca_name = name;
+		ca.ca_node = child;
+
+		ca.ca_nreg  = OF_getprop(child, "reg", reg, sizeof(reg));
+		ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
+				sizeof(intr));
+		if (ca.ca_nintr == -1)
+			ca.ca_nintr = OF_getprop(child, "interrupts", intr,
+					sizeof(intr));
+
+		ca.ca_reg = reg;
+		ca.ca_intr = intr;
+
+		config_found(self, &ca, obio_print);
+	}
+}
+
+int
+obio_print(aux, obio)
+	void *aux;
+	const char *obio;
+{
+	struct confargs *ca = aux;
+
+	if (obio)
+		printf("%s at %s", ca->ca_name, obio);
+
+	if (ca->ca_nreg > 0)
+		printf(" offset 0x%x", ca->ca_reg[0]);
+
+	return UNCONF;
+}