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[src/trunk]: src/sys/arch/i386 Add support for ALi M1543 in pcibios.
details: https://anonhg.NetBSD.org/src/rev/d146837169b2
branches: trunk
changeset: 514274:d146837169b2
user: haya <haya%NetBSD.org@localhost>
date: Mon Aug 27 08:21:20 2001 +0000
description:
Add support for ALi M1543 in pcibios.
diffstat:
sys/arch/i386/conf/files.i386 | 3 +-
sys/arch/i386/pci/ali1543.c | 328 +++++++++++++++++++++++++++++++++++++
sys/arch/i386/pci/pci_intr_fixup.c | 5 +-
sys/arch/i386/pci/pci_intr_fixup.h | 4 +-
4 files changed, 337 insertions(+), 3 deletions(-)
diffs (truncated from 383 to 300 lines):
diff -r 8cb7750eeeb9 -r d146837169b2 sys/arch/i386/conf/files.i386
--- a/sys/arch/i386/conf/files.i386 Mon Aug 27 08:03:37 2001 +0000
+++ b/sys/arch/i386/conf/files.i386 Mon Aug 27 08:21:20 2001 +0000
@@ -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/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
diff -r 8cb7750eeeb9 -r d146837169b2 sys/arch/i386/pci/ali1543.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/pci/ali1543.c Mon Aug 27 08:21:20 2001 +0000
@@ -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;
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