support CS8900A ethernet on SMDK2410.

XXX: SMDK2410 has no EEPROM connected to CS8900A. Currently the only
     way to set MAC address is give it via kernel config option.

sys/arch/evbarm/conf/SMDK2410

@@ -1,4 +1,4 @@
-#	$NetBSD: SMDK2410,v 1.3 2003/08/29 12:42:13 bsh Exp $
+#	$NetBSD: SMDK2410,v 1.4 2003/08/29 13:54:03 bsh Exp $
 #
 #	SMDK2410 -- Samsung's S3C2410 evaluation board.
 #
@@ -89,9 +89,9 @@ options 	INET6		# IPV6
 #options 	SCSIVERBOSE	# human readable SCSI error messages
 options 	USBVERBOSE	# verbose USB device autoconfig messages
 
-#options 	NFS_BOOT_BOOTP
+options 	NFS_BOOT_BOOTP
-#options 	NFS_BOOT_DHCP
+options 	NFS_BOOT_DHCP
-#options 	NFS_BOOT_BOOTPARAM
+options 	NFS_BOOT_BOOTPARAM
 
 # Compatibility options
 
@@ -156,6 +156,7 @@ cpu0		at mainbus?
 
 # Core logic on Samsung S3C2410
 ssio0	at mainbus?
+ssextio0 at ssio0
 
 # integrated UART
 sscom0	at ssio? index 0
@@ -196,6 +197,11 @@ midi*	at midibus?
 # Audio support
 audio*	at audiobus?
 
+# on-board CS8900A Ethernet
+cs*	at ssextio? intr 9 addr 0x18000000
+# set MAC address to on-board CS8900A.
+options	SMDK24X0_ETHER_ADDR_FIXED="0,0x0a,0xb1,0,1,0xff"
+
 # built-in OHCI USB controller
 ohci0	at ssio? addr 0x49000000 intr 26
 options 	OHCI_DEBUG

sys/arch/evbarm/conf/files.smdk2410

@@ -1,4 +1,4 @@
-#	$NetBSD: files.smdk2410,v 1.2 2003/08/29 12:41:12 bsh Exp $
+#	$NetBSD: files.smdk2410,v 1.3 2003/08/29 13:54:03 bsh Exp $
 #
 # Samsung SMDK2410 evaluation board configuration info
 #
@@ -10,3 +10,10 @@ defparam	opt_smdk2xx0.h SMDK2XX0_CLOCK_CONFIG
 
 file	arch/evbarm/smdk2xx0/smdk2410_machdep.c
 
+# on-board CS8900A
+attach cs at ssextio with cs_ssextio
+file	arch/evbarm/smdk2xx0/if_cs_smdk24x0.c		cs_ssextio
+
+# there's no EEPROM hooked to on-board CS8900A.
+# This is the easiest way to set MAC address.
+defparam	opt_smdk2xx0.h	SMDK24X0_ETHER_ADDR_FIXED

sys/arch/evbarm/smdk2xx0/if_cs_smdk24x0.c

@@ -0,0 +1,235 @@
+/*	$NetBSD: if_cs_smdk24x0.c,v 1.1 2003/08/29 13:54:03 bsh Exp $ */
+
+/*
+ * Copyright (c) 2003  Genetec corporation.  All rights reserved.
+ * Written by Hiroyuki Bessho for Genetec corporation.
+ *
+ * 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 Genetec corporation may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GENETEC CORP. ``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 GENETEC CORP.
+ * 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.
+ */
+
+/* derived from sys/dev/isa/if_cs_isa.c */
+/*
+ * Copyright 1997
+ * Digital Equipment Corporation. All rights reserved.
+ *
+ * This software is furnished under license and may be used and
+ * copied only in accordance with the following terms and conditions.
+ * Subject to these conditions, you may download, copy, install,
+ * use, modify and distribute this software in source and/or binary
+ * form. No title or ownership is transferred hereby.
+ *
+ * 1) Any source code used, modified or distributed must reproduce
+ *    and retain this copyright notice and list of conditions as
+ *    they appear in the source file.
+ *
+ * 2) No right is granted to use any trade name, trademark, or logo of
+ *    Digital Equipment Corporation. Neither the "Digital Equipment
+ *    Corporation" name nor any trademark or logo of Digital Equipment
+ *    Corporation may be used to endorse or promote products derived
+ *    from this software without the prior written permission of
+ *    Digital Equipment Corporation.
+ *
+ * 3) This software is provided "AS-IS" and any express or implied
+ *    warranties, including but not limited to, any implied warranties
+ *    of merchantability, fitness for a particular purpose, or
+ *    non-infringement are disclaimed. In no event shall DIGITAL be
+ *    liable for any damages whatsoever, and in particular, DIGITAL
+ *    shall not be liable for special, indirect, consequential, or
+ *    incidental damages or damages for lost profits, loss of
+ *    revenue or loss of use, whether such damages arise in contract,
+ *    negligence, tort, under statute, in equity, at law or otherwise,
+ *    even if advised of the possibility of such damage.
+ */
+
+/*
+ * driver for SMDK24[10]0's on-board CS8900A Ethernet
+ *
+ * CS8900A is located at CS3 area.
+ *    A24=1: I/O access
+ *    A24=0: Memory access
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: if_cs_smdk24x0.c,v 1.1 2003/08/29 13:54:03 bsh Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/socket.h>
+#include <sys/device.h>
+
+#include "rnd.h"
+#if NRND > 0
+#include <sys/rnd.h>
+#endif
+
+#include <net/if.h>
+#include <net/if_ether.h>
+#include <net/if_media.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <arch/arm/s3c2xx0/s3c2410reg.h>
+#include <arch/arm/s3c2xx0/s3c2410var.h>
+
+#include <dev/ic/cs89x0reg.h>
+#include <dev/ic/cs89x0var.h>
+
+#include "locators.h"
+#include "opt_smdk2xx0.h"		/* SMDK24X0_ETHER_ADDR_FIXED */
+
+int	cs_ssextio_probe(struct device *, struct cfdata *, void *);
+void	cs_ssextio_attach(struct device *, struct device *, void *);
+
+/*
+ * I/O access is done when A24==1.
+ * default value for I/O base address is 0x300
+ */
+#define IOADDR(base)	(base + (1<<24) + 0x0300)
+
+CFATTACH_DECL(cs_ssextio, sizeof(struct cs_softc),
+    cs_ssextio_probe, cs_ssextio_attach, NULL, NULL);
+
+int 
+cs_ssextio_probe(struct device *parent, struct cfdata *cf, void *aux)
+{
+	struct s3c2xx0_attach_args *sa = aux;
+	bus_space_tag_t iot = sa->sa_iot;
+	bus_space_handle_t ioh;
+	struct cs_softc sc;
+	int rv = 0, have_io = 0;
+	vaddr_t ioaddr;
+
+	if (sa->sa_intr == SSEXTIOCF_INTR_DEFAULT)
+		sa->sa_intr = 9;
+	if (sa->sa_addr == SSEXTIOCF_ADDR_DEFAULT)
+		sa->sa_addr = S3C2410_BANK_START(3);
+
+	/*
+	 * Map the I/O space.
+	 */
+	ioaddr = IOADDR(sa->sa_addr);
+	if (bus_space_map(iot, ioaddr, CS8900_IOSIZE, 0, &ioh))
+		goto out;
+	have_io = 1;
+
+	memset(&sc, 0, sizeof sc);
+	sc.sc_iot = iot;
+	sc.sc_ioh = ioh;
+
+	if (0) {
+		int i;
+
+		for (i=0; i <=PKTPG_IND_ADDR; i += 2) {
+			if (i % 16 == 0)
+				printf( "\n%04x: ", i);
+			printf("%04x ", CS_READ_PACKET_PAGE_IO(&sc, i));
+		}
+
+	}
+
+	/* Verify that it's a Crystal product. */
+	if (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_EISA_NUM) != EISA_NUM_CRYSTAL)
+		goto out;
+
+	/*
+	 * Verify that it's a supported chip.
+	 */
+	switch (CS_READ_PACKET_PAGE_IO(&sc, PKTPG_PRODUCT_ID) & PROD_ID_MASK) {
+	case PROD_ID_CS8900:
+#ifdef notyet
+	case PROD_ID_CS8920:
+	case PROD_ID_CS8920M:
+#endif
+		rv = 1;
+	}
+
+ out:
+	if (have_io)
+		bus_space_unmap(iot, ioh, CS8900_IOSIZE);
+
+	return (rv);
+}
+
+/* media selection: UTP only */
+static int cs_media[] = {
+	IFM_ETHER|IFM_10_T,
+#if 0
+	IFM_ETHER|IFM_10_T|IFM_FDX,
+#endif
+};
+
+void 
+cs_ssextio_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct cs_softc *sc = (struct cs_softc *) self;
+	struct s3c2xx0_attach_args *sa = aux;
+	vaddr_t ioaddr;
+#ifdef	SMDK24X0_ETHER_ADDR_FIXED
+	static u_int8_t enaddr[ETHER_ADDR_LEN] = {SMDK24X0_ETHER_ADDR_FIXED};
+#else
+#define enaddr NULL
+#endif
+
+	sc->sc_iot = sc->sc_memt = sa->sa_iot;
+	/* sc_irq is an IRQ number in ISA world. set 10 for INTRQ0 of CS8900A */
+	sc->sc_irq = 10;
+
+	/*
+	 * Map the device.
+	 */
+	ioaddr = IOADDR(sa->sa_addr);
+	if (bus_space_map(sc->sc_iot, ioaddr, CS8900_IOSIZE, 0, &sc->sc_ioh)) {
+		aprint_error(": unable to map i/o space\n");
+		return;
+	}
+
+	if (bus_space_map(sc->sc_iot, sa->sa_addr, CS8900_MEMSIZE,
+			  0, &sc->sc_memh))
+		aprint_error(": unable to map memory space");
+	else {
+		sc->sc_cfgflags |= CFGFLG_MEM_MODE;
+		sc->sc_pktpgaddr = sa->sa_addr;
+	}
+
+	/* CS8900A is very slow. (nOE->Data valid: 135ns max.)
+	   We need to use IOCHRDY signal */
+	sc->sc_cfgflags |= CFGFLG_IOCHRDY;
+
+	sc->sc_ih = s3c2410_extint_establish(sa->sa_intr, IPL_NET, IST_EDGE_RISING,
+	    cs_intr, sc);
+	if (sc->sc_ih == NULL) {
+		aprint_error(": unable to establish interrupt\n");
+		return;
+	}
+
+	aprint_normal("\n");
+
+	/* SMDK24X0 doesn't have EEPRMO hooked to CS8900A */
+	sc->sc_cfgflags |= CFGFLG_NOT_EEPROM;
+
+	cs_attach(sc, enaddr, cs_media, 
+	    sizeof(cs_media) / sizeof(cs_media[0]), IFM_ETHER|IFM_10_T);
+}