Add support for ALi M1543 in pcibios.

sys/arch/i386/conf/files.i386

@@ -1,4 +1,4 @@
-#	$NetBSD: files.i386,v 1.189 2001/07/14 02:18:02 christos Exp $
+#	$NetBSD: files.i386,v 1.190 2001/08/27 08:21:20 haya Exp $
 #
 # new style config file for i386 architecture
 #
@@ -150,6 +150,7 @@ file	arch/i386/pci/opti82c700.c	pcibios & pcibios_intr_fixup
 file	arch/i386/pci/sis85c503.c	pcibios & pcibios_intr_fixup
 file	arch/i386/pci/via82c586.c	pcibios & pcibios_intr_fixup
 file	arch/i386/pci/amd756.c		pcibios & pcibios_intr_fixup
+file	arch/i386/pci/ali1543.c		pcibios & pcibios_intr_fixup
 file	arch/i386/pci/pci_bus_fixup.c	pcibios & pcibios_bus_fixup
 file	arch/i386/pci/pci_addr_fixup.c	pcibios & pcibios_addr_fixup
 defopt	PCI_CONF_MODE

sys/arch/i386/pci/ali1543.c

@@ -0,0 +1,328 @@
+/*	$NetBSD: ali1543.c,v 1.1 2001/08/27 08:21:21 haya Exp $	*/
+
+/*
+ * Copyright (c) 2001
+ *       HAYAKAWA Koichi.  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.
+ */
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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 the NetBSD
+ *	Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1999, by UCHIYAMA Yasushi
+ * 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. The name of the developer 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 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. 
+ */
+
+/* HAYAKAWA Koichi wrote ALi 1543 PCI ICU code basing on VIA82C586 driver */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/proc.h>
+
+#include <machine/intr.h>
+#include <machine/bus.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+
+#include <i386/pci/pci_intr_fixup.h>
+#include <i386/pci/piixvar.h>
+
+
+int ali1543_getclink (pciintr_icu_handle_t, int, int *);
+int ali1543_get_intr (pciintr_icu_handle_t, int, int *);
+int ali1543_set_intr (pciintr_icu_handle_t, int, int);
+int ali1543_get_trigger (pciintr_icu_handle_t, int, int *);
+int ali1543_set_trigger (pciintr_icu_handle_t, int, int);
+
+
+const struct pciintr_icu ali1543_icu = {
+	ali1543_getclink,
+	ali1543_get_intr,
+	ali1543_set_intr,
+	ali1543_get_trigger,
+	ali1543_set_trigger,
+};
+
+
+/*
+ * Linux source code (linux/arch/i386/kernel/pci-irq.c) says that the
+ * irq order of ALi PCI ICU is shuffled.
+ */
+const static int ali1543_intr_shuffle_get[16] = {
+	0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15
+};
+const static int ali1543_intr_shuffle_set[16] = {
+	0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15
+};
+
+#define ALI1543_IRQ_MASK		0xdefa
+
+#define ALI1543_LEGAL_LINK(link)	(((link) >= 0) && ((link) <= 7))
+#define ALI1543_LEGAL_IRQ(irq)		((1 << (irq)) & ALI1543_IRQ_MASK)
+
+#define ALI1543_INTR_CFG_REG		0x48
+#define ALI1543_INTR_TRIG_REG		0x4c
+
+#define ALI1543_INTR_PIRQA_SHIFT	0
+#define ALI1543_INTR_PIRQA_MASK		0x0000000f
+#define ALI1543_INTR_PIRQB_SHIFT	4
+#define ALI1543_INTR_PIRQB_MASK		0x000000f0
+#define ALI1543_INTR_PIRQC_SHIFT	8
+#define ALI1543_INTR_PIRQC_MASK		0x00000f00
+#define ALI1543_INTR_PIRQD_SHIFT	12
+#define ALI1543_INTR_PIRQD_MASK		0x0000f000
+
+#define ALI1543_INTR_PIRQ_SHIFT(clink)	((clink)*4)
+#define ALI1543_INTR_PIRQ_IRQ(reg, clink)				\
+	(((reg) >> ((clink)*4)) & 0x0f)
+#define ALI1543_PIRQ(reg, clink)					\
+	ali1543_intr_shuffle_get[ALI1543_INTR_PIRQ_IRQ((reg), (clink))]
+
+#define ALI1543_INTR_TRIG_MASK		0x000000ff
+#define ALI1543_INTR_TRIG_LEVEL		0
+#define ALI1543_INTR_TRIG_EDGE		1
+#define ALI1543_INTR_TRIG_GET(reg, link)				\
+	(((reg) >> (link)) & 0x01)
+#define ALI1543_INTR_TRIG_SET(reg, link, val)				\
+	do {								\
+		(reg) &= ~(1 << (link));				\
+		(reg) |= (((val) & 0x01) << (link));			\
+	} while (/* CONSTCOND */0)
+		
+
+
+
+int
+ali1543_init(pci_chipset_tag_t pc, bus_space_tag_t iot, pcitag_t tag,
+    pciintr_icu_tag_t *ptagp, pciintr_icu_handle_t *phandp)
+{
+
+	if (piix_init(pc, iot, tag, ptagp, phandp) == 0) {
+		*ptagp = &ali1543_icu;
+
+		return (0);
+	}
+
+	return (1);
+}
+
+
+
+
+int
+ali1543_getclink(pciintr_icu_handle_t v, int link, int *clinkp)
+{
+
+	if (ALI1543_LEGAL_LINK(link - 1)) {
+		*clinkp = link - 1;
+		return (0);
+	}
+
+	return (1);
+}
+
+
+
+
+int
+ali1543_get_intr(pciintr_icu_handle_t v, int clink, int *irqp)
+{
+	struct piix_handle *ph = v;
+	pcireg_t reg;
+	int val;
+
+	if (ALI1543_LEGAL_LINK(clink) == 0)
+		return (1);
+
+	reg = pci_conf_read(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG);
+#ifdef DEBUG_1543
+	printf("ali1543: PIRQ reg 0x%08x\n", reg); /* XXX debug */
+#endif /* DEBUG_1543 */
+	val = ALI1543_PIRQ(reg, clink);
+	*irqp = (val == 0) ?
+	    I386_PCI_INTERRUPT_LINE_NO_CONNECTION : val;
+
+	return (0);
+}
+
+
+
+
+int
+ali1543_set_intr(pciintr_icu_handle_t v, int clink, int irq)
+{
+	struct piix_handle *ph = v;
+	int shift, val;
+	pcireg_t reg;
+
+	if (ALI1543_LEGAL_LINK(clink) == 0 || ALI1543_LEGAL_IRQ(irq) == 0)
+		return (1);
+
+	reg = pci_conf_read(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG);
+	ali1543_get_intr(v, clink, &val);
+	shift = ALI1543_INTR_PIRQ_SHIFT(clink);
+	reg &= ~(0x0f << shift);
+	reg |= (ali1543_intr_shuffle_set[irq] << shift);
+	pci_conf_write(ph->ph_pc, ph->ph_tag, ALI1543_INTR_CFG_REG, reg);
+	if (ali1543_get_intr(v, clink, &val) != 0 || val != irq)
+		return (1);
+
+	return (0);
+}
+
+
+
+int
+ali1543_get_trigger(pciintr_icu_handle_t v, int irq, int *triggerp)
+{
+	struct piix_handle *ph = v;
+	int i, error, check_consistency, pciirq, pcitrigger = IST_NONE;
+	pcireg_t reg;
+
+	if (ALI1543_LEGAL_IRQ(irq) == 0) {
+		return 1;
+	}
+
+	check_consistency = 0;
+	for (i = 0; i <= 7; i++) {
+		ali1543_get_intr(v, i, &pciirq);
+		if (pciirq == irq) {
+			reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
+			    ALI1543_INTR_TRIG_REG);
+			if (ALI1543_INTR_TRIG_GET(reg, i) == ALI1543_INTR_TRIG_EDGE)
+				pcitrigger = IST_EDGE;
+			else
+				pcitrigger = IST_LEVEL;
+			check_consistency = 1;
+			break;
+		}
+	}
+
+	error = piix_get_trigger(v, irq, triggerp);
+	if (error == 0 && check_consistency && pcitrigger != *triggerp)
+		return (1);
+	return (error);
+}
+
+
+
+int
+ali1543_set_trigger(pciintr_icu_handle_t v, int irq, int trigger)
+{
+	struct piix_handle *ph = v;
+	int i, pciirq, testtrig;
+	pcireg_t reg;
+
+	if (ALI1543_LEGAL_IRQ(irq) == 0) {
+		return 1;
+	}
+
+	for (i = 0; i <= 7; i++) {
+		ali1543_get_intr(v, i, &pciirq);
+		if (pciirq == irq) {
+			reg = pci_conf_read(ph->ph_pc, ph->ph_tag,
+			    ALI1543_INTR_TRIG_REG);
+			if (trigger == IST_LEVEL) {
+				ALI1543_INTR_TRIG_SET(reg, i,
+				    ALI1543_INTR_TRIG_LEVEL);
+			} else {
+				ALI1543_INTR_TRIG_SET(reg, i,
+				    ALI1543_INTR_TRIG_EDGE);
+			}
+
+			pci_conf_write(ph->ph_pc, ph->ph_tag,
+			    ALI1543_INTR_TRIG_REG, reg);
+			break;
+		}
+	}
+
+	if (piix_set_trigger(v, irq, trigger) != 0 ||
+	    ali1543_get_trigger(v, irq, &testtrig) != 0 ||
+	    testtrig != trigger)
+		return (1);
+
+	return (0);
+}

sys/arch/i386/pci/pci_intr_fixup.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: pci_intr_fixup.c,v 1.16 2001/08/01 09:11:19 haya Exp $	*/
+/*	$NetBSD: pci_intr_fixup.c,v 1.17 2001/08/27 08:21:21 haya Exp $	*/
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -154,6 +154,9 @@ const struct pciintr_icu_table {
 	{ PCI_VENDOR_AMD,	PCI_PRODUCT_AMD_PBC756_PMC,
 	  amd756_init },
 
+	{ PCI_VENDOR_ALI,	PCI_PRODUCT_ALI_M1543,
+	  ali1543_init },
+
 	{ 0,			0,
 	  NULL },
 };

sys/arch/i386/pci/pci_intr_fixup.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: pci_intr_fixup.h,v 1.2 2001/04/19 17:32:40 uch Exp $	*/
+/*	$NetBSD: pci_intr_fixup.h,v 1.3 2001/08/27 08:21:21 haya Exp $	*/
 
 /*
  * Copyright (c) 1999, by UCHIYAMA Yasushi
@@ -65,3 +65,5 @@ int	sis85c503_init __P((pci_chipset_tag_t, bus_space_tag_t, pcitag_t,
 	    pciintr_icu_tag_t *, pciintr_icu_handle_t *));
 int	amd756_init __P((pci_chipset_tag_t, bus_space_tag_t, pcitag_t,
 	    pciintr_icu_tag_t *, pciintr_icu_handle_t *));
+int	ali1543_init __P((pci_chipset_tag_t, bus_space_tag_t, pcitag_t,
+	    pciintr_icu_tag_t *, pciintr_icu_handle_t *));