NetBSD Problem Report #17493

Received: (qmail 16989 invoked by uid 605); 6 Jul 2002 16:39:29 -0000
Message-Id: <200207061636.g66GaL400697@power.cnet.aladdin.de>
Date: Sat, 6 Jul 2002 18:36:21 +0200 (CEST)
From: cpg@aladdin.de
Sender: gnats-bugs-owner@netbsd.org
Reply-To: cpg@aladdin.de
To: gnats-bugs@gnats.netbsd.org
Subject: driver for Sega LAN Adapter
X-Send-Pr-Version: 3.95

>Number:         17493
>Category:       port-dreamcast
>Synopsis:       driver for Sega LAN Adapter
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    tsutsui
>State:          closed
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Sat Jul 06 16:40:00 +0000 2002
>Closed-Date:    Fri Dec 27 16:56:36 +0000 2002
>Last-Modified:  Fri Dec 27 16:56:36 +0000 2002
>Originator:     Christian Groessler
>Release:        NetBSD 1.6_BETA3
>Organization:

>Environment:
>Description:
	This is a driver for the Sega LAN Adapter. In order for it to
work, kern/17193 needs to be applied, too.
The sys/dev/isa/if_fmv.c driver was used as a blueprint.
>How-To-Repeat:
	Try to use the Lan Adapter. Notice that it isn't supported by
NetBSD.
>Fix:
diff -ruN orig/sys/arch/dreamcast/conf/DREAMS.LANA new/sys/arch/dreamcast/conf/DREAMS.LANA
--- orig/sys/arch/dreamcast/conf/DREAMS.LANA	Thu Jan  1 01:00:00 1970
+++ new/sys/arch/dreamcast/conf/DREAMS.LANA	Tue Jul  2 22:01:51 2002
@@ -0,0 +1,155 @@
+# $Id$
+#
+
+include 	"arch/dreamcast/conf/std.dreamcast"
+
+options 	DONT_INIT_BSC
+
+# wscons options
+options 	WSEMUL_VT100		# VT100 / VT220 emulation
+options 	FONT_BOLD8x16
+
+maxusers	16		# estimated number of users
+
+# CPU support
+options 	DREAMCAST
+options 	EVBSH4
+
+#options 	LED_ADDR=0xa8000000
+options		PIPE_SOCKETPAIR
+
+# Standard system options
+#options 	UCONSOLE	# users can use TIOCCONS (for xconsole)
+#options 	INSECURE	# disable kernel security levels
+
+#options 	RTC_OFFSET=-540
+options 	HZ=100		# clock interrupt generates every 1/HZ sec
+#options 	NTP		# NTP phase/frequency locked loop
+
+#options 	KTRACE		# system call tracing via ktrace(1)
+
+#options 	SYSVMSG		# System V-like message queues
+#options 	SYSVSEM		# System V-like semaphores
+#options 	SEMMNI=10	# number of semaphore identifiers
+#options 	SEMMNS=60	# number of semaphores in system
+#options 	SEMUME=10	# max number of undo entries per process
+#options 	SEMMNU=30	# number of undo structures in system
+#options 	SYSVSHM		# System V-like memory sharing
+#options 	SHMMAXPGS=1024	# 1024 pages is the default
+
+# Diagnostic/debugging support options
+options 	DIAGNOSTIC	# cheap kernel consistency checks
+options 	DEBUG		# expensive debugging checks/support
+options 	DDB		# in-kernel debugger
+#makeoptions	DEBUG="-g"	# compile full symbol table
+#options 	SYSCALL_DEBUG
+#options 	UVMHIST
+#options 	UVMHIST_PRINT
+
+# Compatibility options
+#options 	COMPAT_13	# NetBSD 1.3
+#options 	COMPAT_14	# NetBSD 1.4,
+#options 	COMPAT_43	# and 4.3BSD
+
+# Executable format options
+options 	EXEC_COFF	# COFF executables
+options 	EXEC_ELF32	# 32-bit ELF executables
+
+# File systems
+#file-system 	FFS		# UFS
+#file-system 	MFS		# memory file system
+file-system 	NFS		# Network File System client
+file-system 	PROCFS		# /proc
+file-system 	KERNFS		# /kern
+#file-system 	NULLFS		# loopback file system
+#file-system 	UMAPFS		# NULLFS + uid and gid remapping
+file-system	CD9660		# CD-ROM file system
+
+#options		NFS_RSIZE=1024
+#options		NFS_WSIZE=1024
+
+# File system options
+#options 	QUOTA		# UFS quotas
+#options 	NFSSERVER	# Network File System server
+
+# Networking options
+options 	INET		# IP + ICMP + TCP + UDP
+options 	NFS_BOOT_DHCP	# Support DHCP NFS root
+
+#options 	PCIVERBOSE	# verbose PCI device autoconfig messages
+#options 	PCI_CONFIG_DUMP	# verbosely dump PCI config space
+#options 	PCMCIAVERBOSE	# verbose PCMCIA configuration messages
+
+# Kernel root file system and dump configuration.
+config		netbsd	root on ? type nfs
+#config		netbsd	root on wd0a type ffs
+#config		netbsd	root on ? type ?
+#config		netbsd	root on rtk0 type nfs
+#config		netbsd	root on lana0 type nfs
+
+#
+# Device configuration
+#
+
+mainbus0 at root
+
+shb*	at mainbus?
+
+# Serial Devices
+options 	SCIFCN_SPEED=57600
+scif0 at shb? #port 0xffe80000 irq 12
+
+pvr0		at shb?
+wsdisplay*	at pvr? console ?
+
+maple0		at shb?
+mkbd*		at maple? port ? subunit ?
+wskbd*		at mkbd? console ?
+
+gdrom0		at shb?
+
+g2bus0		at shb?
+gapspci*	at g2bus?			# GAPS PCI bridge
+pci*		at gapspci?
+rtk*		at pci? dev ? function ?	# SEGA Broadband Adapter
+ukphy*		at mii? phy ?
+
+lana0		at g2bus?			# SEGA Lan Adapter
+options		FE_DEBUG=2
+options		LANA_DEBUG=1
+#options		FE_SINGLE_TRANSMISSION
+
+# SH PCMCIA controllers
+#shpcic0	at shb? port 0xb000000a iomem 0xb8000000 iosiz 0x1000000
+#shpcic1	at shb? port 0xb000000c iomem 0xb9000000 iosiz 0x1000000
+
+# PCMCIA bus support
+#pcmcia*	at shpcic? controller ? socket ?
+
+#com*	at pcmcia? function ?		# Modems and serial cards
+#wdc*	at pcmcia? function ?
+#wd*	at wdc? drive ?			# the drives themselves
+
+#ep*	at pcmcia? function ?		# 3Com 3c589 and 3c562 Ethernet
+#mbe*	at pcmcia? function ?		# MB8696x based Ethernet
+#ne*	at pcmcia? function ?		# NE2000-compatible Ethernet
+#sm*	at pcmcia? function ?		# Megahertz Ethernet
+
+#pseudo-device	vnd		4	# disk-like interface to files
+#pseudo-device	bpfilter	8	# Berkeley packet filter
+#pseudo-device	bridge			# simple inter-network bridging
+#pseudo-device	ipfilter		# IP filter (firewall) and NAT
+pseudo-device	loop			# network loopback
+pseudo-device	pty			# pseudo-terminals
+#pseudo-device	ppp		2	# Point-to-Point Protocol
+#pseudo-device	pppoe			# PPP over Ethernet (RFC 2516)
+#pseudo-device	tun		2	# network tunneling over tty
+pseudo-device	rnd			# /dev/random and in-kernel generator
+
+# Enable the hooks used for initializing the root memory-disk.
+#options 	MEMORY_DISK_HOOKS
+#options 	MEMORY_DISK_IS_ROOT	# force root on memory disk
+#options 	MEMORY_DISK_SERVER=0	# no userspace memory disk support
+#options 	MINIROOTSIZE=3074	# size of memory disk, in blocks
+
+#pseudo-device	md		1	# memory disk device (ramdisk)
diff -ruN orig/sys/arch/dreamcast/conf/files.dreamcast new/sys/arch/dreamcast/conf/files.dreamcast
--- orig/sys/arch/dreamcast/conf/files.dreamcast	Tue Apr 16 22:50:19 2002
+++ new/sys/arch/dreamcast/conf/files.dreamcast	Sat Jun 22 00:32:12 2002
@@ -88,3 +88,7 @@
 file	arch/dreamcast/dev/g2/gapspci.c			gapspci
 file	arch/dreamcast/dev/g2/gapspci_dma.c		gapspci
 file	arch/dreamcast/dev/g2/gapspci_pci.c		gapspci
+
+device  lana: arp, ether, ifnet, mb86960
+attach  lana at g2bus
+file	arch/dreamcast/dev/g2/lan_adapter.c		lana
diff -ruN orig/sys/arch/dreamcast/dev/g2/lan_adapter.c new/sys/arch/dreamcast/dev/g2/lan_adapter.c
--- orig/sys/arch/dreamcast/dev/g2/lan_adapter.c	Thu Jan  1 01:00:00 1970
+++ new/sys/arch/dreamcast/dev/g2/lan_adapter.c	Sat Jul  6 18:23:48 2002
@@ -0,0 +1,390 @@
+/*	$NetBSD$	*/
+
+/*
+ * All Rights Reserved, Copyright (C) Fujitsu Limited 1995
+ *
+ * This software may be used, modified, copied, distributed, and sold, in
+ * both source and binary form provided that the above copyright, these
+ * terms and the following disclaimer are retained.  The name of the author
+ * and/or the contributor 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 THE CONTRIBUTOR ``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 THE CONTRIBUTOR 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.
+ */
+
+/*
+ * Portions copyright (C) 1993, David Greenman.	 This software may be used,
+ * modified, copied, distributed, and sold, in both source and binary form
+ * provided that the above copyright and these terms are retained.  Under no
+ * circumstances is the author responsible for the proper functioning of this
+ * software, nor does the author assume any responsibility for damages
+ * incurred with its use.
+ */
+
+/*
+ * Portions copyright (C) 2002, Christian Groessler.  This software may be used,
+ * modified, copied, distributed, and sold, in both source and binary form
+ * provided that the above copyright and these terms are retained.  Under no
+ * circumstances is the author responsible for the proper functioning of this
+ * software, nor does the author assume any responsibility for damages
+ * incurred with its use.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/socket.h>
+#include <sys/syslog.h>
+
+#include <net/if.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+#include <machine/sysasicvar.h>
+#include <machine/cpu.h> 
+
+#include <sys/param.h>
+#include <sys/systm.h> 
+#include <sys/device.h>
+
+#include <dev/ic/mb86960reg.h>
+#include <dev/ic/mb86960var.h>
+#include <dev/ic/ate_subr.c>	/* needed for FE_xxx defines */
+
+#include <dreamcast/dev/g2/g2busvar.h>
+
+
+int	lana_match __P((struct device *, struct cfdata *, void *));
+void	lana_attach __P((struct device *, struct device *, void *));
+
+struct lana_softc {
+	struct	mb86960_softc sc_mb86960;	/* real "mb86960" softc */
+};
+
+struct cfattach lana_ca = {
+	sizeof(struct lana_softc), lana_match, lana_attach
+};
+
+#define LANA_NPORTS (0x20 * 4)
+
+static int lanafound;
+static struct dreamcast_bus_space lana_bs;
+
+static int lana_detect __P((bus_space_tag_t, bus_space_handle_t,
+			    u_int8_t enaddr[ETHER_ADDR_LEN]));
+
+
+/*
+ * pointers to some overridden g2bus functions
+ */
+
+static u_int8_t
+(*g2bus_mem_read_1_p)(void *tag,
+		      bus_space_handle_t sh,
+		      bus_size_t off);
+
+static void
+(*g2bus_mem_write_1_p)(void *tag,
+		       bus_space_handle_t sh,
+		       bus_size_t off,
+		       u_int8_t val);
+
+/*
+ * Prototypes of the lan adapter replacement bus space functions.
+ * There are only those functions replaced which are used by the
+ * mb86960.c driver.
+ */
+
+u_int8_t
+lana_bus_mem_read_1(void *tag,
+		    bus_space_handle_t sh,
+		    bus_size_t off);
+
+void
+lana_bus_mem_write_1(void *tag,
+		     bus_space_handle_t sh,
+		     bus_size_t off,
+		     u_int8_t val);
+
+void
+lana_bus_space_read_multi_1(bus_space_tag_t tag,
+			    bus_space_handle_t bsh,
+			    bus_size_t offset,
+			    u_int8_t *addr,
+			    bus_size_t count);
+
+void
+lana_bus_space_write_multi_1(bus_space_tag_t tag,
+			     bus_space_handle_t bsh,
+			     bus_size_t offset,
+			     u_int8_t *addr,
+			     bus_size_t count);
+
+
+void
+lana_bus_mem_write_region_1(void *tag,
+			    bus_space_handle_t sh,
+			    bus_size_t off,
+			    const u_int8_t *addr,
+			    bus_size_t len);
+
+
+/*
+ * bus space functions
+ */
+u_int8_t
+lana_bus_mem_read_1(void *tag,
+		    bus_space_handle_t sh,
+		    bus_size_t off)
+{
+	return g2bus_mem_read_1_p(tag, sh, off * 4);
+}
+
+void
+lana_bus_mem_write_1(void *tag,
+		     bus_space_handle_t sh,
+		     bus_size_t off,
+		     u_int8_t val)
+{
+	g2bus_mem_write_1_p(tag, sh, off * 4, val);
+}
+
+void
+lana_bus_mem_write_region_1(void *tag,
+			    bus_space_handle_t sh,
+			    bus_size_t off,
+			    const u_int8_t *addr,
+			    bus_size_t len)
+{
+	off *= 4;
+	while (len--) {
+		lana_bus_mem_write_1(tag, sh, off, *addr);
+		addr++;
+		off += 4;
+	}
+}
+
+void
+lana_bus_space_write_multi_1(bus_space_tag_t tag,
+			     bus_space_handle_t bsh,
+			     bus_size_t offset,
+			     u_int8_t *addr, bus_size_t count)
+{
+	while (count--)
+		lana_bus_mem_write_1(tag, bsh, offset, *addr++);
+}
+
+void
+lana_bus_space_read_multi_1(bus_space_tag_t tag,
+			    bus_space_handle_t bsh,
+			    bus_size_t offset,
+			    u_int8_t *addr,
+			    bus_size_t count)
+{
+	while (count--)
+		*addr++ = lana_bus_mem_read_1(tag, bsh, offset);
+}
+
+
+/*
+ * Determine if the device is present.
+ */
+int
+lana_match(struct device *parent, struct cfdata *cf, void *aux)
+
+{
+	struct g2bus_attach_args *ga = aux;
+	bus_space_handle_t memh;
+	struct dreamcast_bus_space b;
+	bus_space_tag_t memt = &b;
+	u_int8_t myea[ETHER_ADDR_LEN];
+
+	if (lanafound)
+		return (0);
+
+	if (strcmp("lana", cf->cf_driver->cd_name))
+		return (0);
+
+	memcpy(memt, ga->ga_memt, sizeof(struct dreamcast_bus_space));
+
+	/* Map i/o ports. */
+	if (bus_space_map(memt, 0x00600400, LANA_NPORTS, 0, &memh)) {
+#ifdef LANA_DEBUG
+		printf("lana_match: couldn't map iospace 0x%x\n",
+		       0x00600400);
+#endif
+		return (0);
+	}
+
+	/* remember original g2bus functions */
+	g2bus_mem_read_1_p = memt->dbs_r_1;
+	g2bus_mem_write_1_p = memt->dbs_w_1;
+
+	/* override some bus functions */
+	memt->dbs_r_1 = lana_bus_mem_read_1;
+	memt->dbs_w_1 = lana_bus_mem_write_1;
+	memt->dbs_wr_1 = lana_bus_mem_write_region_1;
+	memt->dbs_wm_1 = (void *)lana_bus_space_write_multi_1;
+	memt->dbs_rm_1 = (void *)lana_bus_space_read_multi_1;
+
+	if (lana_detect(memt, memh, myea) == 0) {
+		bus_space_unmap(memt, memh, LANA_NPORTS);
+#ifdef LANA_DEBUG
+		printf("lana_match: lana_detect failed\n");
+#endif
+		return(0);
+	}
+
+	bus_space_unmap(memt, memh, LANA_NPORTS);
+	lanafound = 1;
+	return (1);
+}
+
+
+/*
+ * Determine type and ethernet address.
+ */
+static int
+lana_detect(iot, ioh, enaddr)
+	bus_space_tag_t iot;
+	bus_space_handle_t ioh;
+	u_int8_t enaddr[ETHER_ADDR_LEN];
+{
+	u_char eeprom[FE_EEPROM_SIZE];
+
+	memset(eeprom, 0, FE_EEPROM_SIZE);
+
+	/* Get our station address from EEPROM. */
+	ate_read_eeprom(iot, ioh, eeprom);
+	memcpy(enaddr, eeprom, ETHER_ADDR_LEN);
+
+#if LANA_DEBUG > 1
+	{
+		int i;
+		printf("Ethernet address: ");
+		for (i=0; i<ETHER_ADDR_LEN; i++) {
+			if (i) printf(":");
+			printf("%02x", eeprom[i]);
+		}
+		printf("\n");
+	}
+#endif
+
+	/* Make sure we got a valid station address. */
+	if ((enaddr[0] & 0x03) != 0x00 ||
+	    (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
+#ifdef LANA_DEBUG
+		printf("lana_detect: invalid ethernet address\n");
+#endif
+		return (0);
+	}
+
+	/* Read the chip type */
+	if (((bus_space_read_1(iot, ioh, 7) >> 6) & 3) != 2) {
+#ifdef LANA_DEBUG
+		printf("lana_detect: unknown chip type\n");
+#endif
+		return(0);
+	}
+
+	return (2);
+}
+
+void
+lana_attach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	struct g2bus_attach_args *ga = aux;
+	struct lana_softc *isc = (struct lana_softc *)self;
+	struct mb86960_softc *sc = &isc->sc_mb86960;
+	bus_space_handle_t memh;
+	bus_space_tag_t memt = &lana_bs;
+	const char *typestr;
+	u_int8_t myea[ETHER_ADDR_LEN];
+	int type;
+
+	memcpy(memt, ga->ga_memt, sizeof(struct dreamcast_bus_space));
+
+	/* Map i/o ports. */
+	if (bus_space_map(memt, 0x00600400, LANA_NPORTS, 0, &memh)) {
+		panic("\n%s: can't map i/o space\n", sc->sc_dev.dv_xname);
+	}
+
+	/* remember original g2bus functions */
+	g2bus_mem_read_1_p = memt->dbs_r_1;
+	g2bus_mem_write_1_p = memt->dbs_w_1;
+
+	/* override some bus functions */
+	memt->dbs_r_1 = lana_bus_mem_read_1;
+	memt->dbs_w_1 = lana_bus_mem_write_1;
+	memt->dbs_wr_1 = lana_bus_mem_write_region_1;
+	memt->dbs_wm_1 = (void *)lana_bus_space_write_multi_1;
+	memt->dbs_rm_1 = (void *)lana_bus_space_read_multi_1;
+
+	sc->sc_bst = memt;
+	sc->sc_bsh = memh;
+
+	/* Determine the card type. */
+	type = lana_detect(memt, memh, myea);
+	switch (type) {
+	case 2:
+		typestr = "Sega LAN-Adapter";
+		break;
+	default:
+		/* Unknown card type: maybe a new model, but... */
+		printf("\n%s: where did the card go?!\n", sc->sc_dev.dv_xname);
+		panic("unknown card");
+	}
+
+	printf("\n%s: %s Ethernet\n", sc->sc_dev.dv_xname, typestr);
+
+	/* This interface is always enabled. */
+	sc->sc_flags |= FE_FLAGS_ENABLED;
+
+	/* Override driver default settings for the controller. */
+	sc->sc_dev.dv_cfdata->cf_flags = FE_FLAGS_OVERRIDE_DLCR6 |
+		FE_D6_BUFSIZ_32KB | /*FE_D6_TXBSIZ_2x2KB | */ FE_D6_TXBSIZ_2x4KB |
+		FE_D6_BBW_BYTE | FE_D6_SBW_BYTE | FE_D6_SRAM_150ns;
+
+	/*
+	 * Minimum initialization of the hardware.
+	 * We write into registers; hope I/O ports have no
+	 * overlap with other boards.
+	 */
+
+	/* Initialize ASIC. */
+	bus_space_write_1(memt, memh, FE_FMV3, 0);
+	bus_space_write_1(memt, memh, FE_FMV10, 0);
+
+	/* Wait for a while.  I'm not sure this is necessary.  FIXME */
+	delay(200);
+
+	/*
+	 * Do generic MB86960 attach.
+	 */
+	mb86960_attach(sc, MB86960_TYPE_86965, myea);
+
+	/* Is this really needs to be done here? XXX */
+	/* Turn the "master interrupt control" flag of ASIC on. */
+	bus_space_write_1(memt, memh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
+
+	mb86960_config(sc, NULL, 0, 0);
+
+	sysasic_intr_establish(SYSASIC_EVENT_8BIT, mb86960_intr, sc);
+}
diff -ruN orig/sys/arch/dreamcast/dreamcast/sysasic.c new/sys/arch/dreamcast/dreamcast/sysasic.c
--- orig/sys/arch/dreamcast/dreamcast/sysasic.c	Sun Mar 24 19:21:10 2002
+++ new/sys/arch/dreamcast/dreamcast/sysasic.c	Sat Jun  8 01:21:27 2002
@@ -73,6 +73,7 @@
 	 */
 	switch (event) {
 	case SYSASIC_EVENT_EXT:
+	case SYSASIC_EVENT_8BIT:
 		idx = SYSASIC_IRQ_LEVEL_11;
 		ipl = IPL_NET;
 		evtcode = SH_INTEVT_IRL11;
diff -ruN orig/sys/arch/dreamcast/include/sysasicvar.h new/sys/arch/dreamcast/include/sysasicvar.h
--- orig/sys/arch/dreamcast/include/sysasicvar.h	Sun Mar 24 19:21:09 2002
+++ new/sys/arch/dreamcast/include/sysasicvar.h	Fri Jun  7 23:33:48 2002
@@ -41,6 +41,7 @@

 #define SYSASIC_EVENT_GDROM  32
 #define SYSASIC_EVENT_AICA   33
+#define SYSASIC_EVENT_8BIT   34
 #define SYSASIC_EVENT_EXT    35
 #define SYSASIC_EVENT_MAX    63


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: tsutsui 
State-Changed-When: Fri Dec 27 08:54:55 PST 2002 
State-Changed-Why:  
The driver has been integrated. 


Responsible-Changed-From-To: port-dreamcast-maintainer->tsutsui 
Responsible-Changed-By: tsutsui 
Responsible-Changed-When: Fri Dec 27 08:54:55 PST 2002 
Responsible-Changed-Why:  
I've committed the driver. 
>Unformatted:

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