[people/ms/u-boot.git] / drivers / net / ne2000.c

/*
Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>

Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
are GPL, so this is, of course, GPL.

==========================================================================

dev/if_dp83902a.c

Ethernet device driver for NS DP83902a ethernet controller

==========================================================================
####ECOSGPLCOPYRIGHTBEGIN####
-------------------------------------------
This file is part of eCos, the Embedded Configurable Operating System.
Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

eCos is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 or (at your option) any later version.

eCos is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with eCos; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

As a special exception, if other files instantiate templates or use macros
or inline functions from this file, or you compile this file and link it
with other works to produce a work based on this file, this file does not
by itself cause the resulting work to be covered by the GNU General Public
License. However the source code for this file must still be made available
in accordance with section (3) of the GNU General Public License.

This exception does not invalidate any other reasons why a work based on
this file might be covered by the GNU General Public License.

Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
at http://sources.redhat.com/ecos/ecos-license/
-------------------------------------------
####ECOSGPLCOPYRIGHTEND####
####BSDCOPYRIGHTBEGIN####

-------------------------------------------

Portions of this software may have been derived from OpenBSD or other sources,
and are covered by the appropriate copyright disclaimers included herein.

-------------------------------------------

####BSDCOPYRIGHTEND####
==========================================================================
#####DESCRIPTIONBEGIN####

Author(s):	gthomas
Contributors:	gthomas, jskov, rsandifo
Date:		2001-06-13
Purpose:
Description:

FIXME:		Will fail if pinged with large packets (1520 bytes)
Add promisc config
Add SNMP

####DESCRIPTIONEND####

==========================================================================
*/

#include <common.h>
#include <command.h>

/* NE2000 base header file */
#include "ne2000_base.h"

/* find prom (taken from pc_net_cs.c from Linux) */

#include "8390.h"
/*
typedef struct hw_info_t {
	u_int	offset;
	u_char	a0, a1, a2;
	u_int	flags;
} hw_info_t;
*/
#define DELAY_OUTPUT	0x01
#define HAS_MISC_REG	0x02
#define USE_BIG_BUF	0x04
#define HAS_IBM_MISC	0x08
#define IS_DL10019	0x10
#define IS_DL10022	0x20
#define HAS_MII		0x40
#define USE_SHMEM	0x80	/* autodetected */

#define AM79C9XX_HOME_PHY	0x00006B90	/* HomePNA PHY */
#define AM79C9XX_ETH_PHY	0x00006B70	/* 10baseT PHY */
#define MII_PHYID_REV_MASK	0xfffffff0
#define MII_PHYID_REG1		0x02
#define MII_PHYID_REG2		0x03

static hw_info_t hw_info[] = {
	{ /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT },
	{ /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 },
	{ /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 },
	{ /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94,
			DELAY_OUTPUT | HAS_IBM_MISC },
	{ /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 },
	{ /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 },
	{ /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 },
	{ /* D-Link DE-650 */ 0x0040, 0x00, 0x80, 0xc8, 0 },
	{ /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 },
	{ /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 },
	{ /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 },
	{ /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 },
	{ /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* IBM FME */ 0x0374, 0x00, 0x04, 0xac,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 },
	{ /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 },
	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 },
	{ /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 },
	{ /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 },
	{ /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 },
	{ /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45,
			HAS_MISC_REG | HAS_IBM_MISC },
	{ /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 },
	{ /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 },
	{ /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 },
	{ /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b,
			DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
	{ /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 },
	{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
	{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
	{ /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 },
	{ /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 },
	{ /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 },
	{ /* RTL8019AS */ 0x0, 0x0, 0x18, 0x5f, 0 }
};

#define NR_INFO		(sizeof(hw_info)/sizeof(hw_info_t))

#define PCNET_CMD	0x00
#define PCNET_DATAPORT	0x10	/* NatSemi-defined port window offset. */
#define PCNET_RESET	0x1f	/* Issue a read to reset, a write to clear. */
#define PCNET_MISC	0x18	/* For IBM CCAE and Socket EA cards */

static void pcnet_reset_8390(u8* addr)
{
	int i, r;

	n2k_outb(E8390_NODMA + E8390_PAGE0+E8390_STOP, E8390_CMD);
	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
	n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD);
	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
	n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
	n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);

	n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);

	for (i = 0; i < 100; i++) {
		if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
			break;
		PRINTK("got %x in reset\n", r);
		udelay(100);
	}
	n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */

	if (i == 100)
		printf("pcnet_reset_8390() did not complete.\n");
} /* pcnet_reset_8390 */

int get_prom(u8* mac_addr, u8* base_addr)
{
	u8 prom[32];
	int i, j;
	struct {
		u_char value, offset;
	} program_seq[] = {
		{E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
		{0x48, EN0_DCFG},		/* Set byte-wide (0x48) access. */
		{0x00, EN0_RCNTLO},		/* Clear the count regs. */
		{0x00, EN0_RCNTHI},
		{0x00, EN0_IMR},		/* Mask completion irq. */
		{0xFF, EN0_ISR},
		{E8390_RXOFF, EN0_RXCR},	/* 0x20 Set to monitor */
		{E8390_TXOFF, EN0_TXCR},	/* 0x02 and loopback mode. */
		{32, EN0_RCNTLO},
		{0x00, EN0_RCNTHI},
		{0x00, EN0_RSARLO},		/* DMA starting at 0x0000. */
		{0x00, EN0_RSARHI},
		{E8390_RREAD+E8390_START, E8390_CMD},
	};

	PRINTK ("trying to get MAC via prom reading\n");

	pcnet_reset_8390 (base_addr);

	mdelay (10);

	for (i = 0; i < ARRAY_SIZE(program_seq); i++)
		n2k_outb (program_seq[i].value, program_seq[i].offset);

	PRINTK ("PROM:");
	for (i = 0; i < 32; i++) {
		prom[i] = n2k_inb (PCNET_DATAPORT);
		PRINTK (" %02x", prom[i]);
	}
	PRINTK ("\n");
	for (i = 0; i < NR_INFO; i++) {
		if ((prom[0] == hw_info[i].a0) &&
			(prom[2] == hw_info[i].a1) &&
			(prom[4] == hw_info[i].a2)) {
			PRINTK ("matched board %d\n", i);
			break;
		}
	}
	if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) {
		PRINTK ("on exit i is %d/%ld\n", i, NR_INFO);
		PRINTK ("MAC address is ");
		for (j = 0; j < 6; j++) {
			mac_addr[j] = prom[j << 1];
			PRINTK ("%02x:", mac_addr[i]);
		}
		PRINTK ("\n");
		return (i < NR_INFO) ? i : 0;
	}
	return 0;
}
Commit	Line	Data
8ed96046	1	/*
4acbc6c7	2	Ported to U-Boot by Christian Pellegrin <chri@ascensit.com>
8ed96046 WD	3
	4	Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
	5	eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
	6	are GPL, so this is, of course, GPL.
	7
8ed96046 WD	8	==========================================================================
	9
	10	dev/if_dp83902a.c
	11
	12	Ethernet device driver for NS DP83902a ethernet controller
	13
	14	==========================================================================
	15	####ECOSGPLCOPYRIGHTBEGIN####
	16	-------------------------------------------
	17	This file is part of eCos, the Embedded Configurable Operating System.
	18	Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
	19
	20	eCos is free software; you can redistribute it and/or modify it under
	21	the terms of the GNU General Public License as published by the Free
	22	Software Foundation; either version 2 or (at your option) any later version.
	23
	24	eCos is distributed in the hope that it will be useful, but WITHOUT ANY
	25	WARRANTY; without even the implied warranty of MERCHANTABILITY or
	26	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	27	for more details.
	28
	29	You should have received a copy of the GNU General Public License along
	30	with eCos; if not, write to the Free Software Foundation, Inc.,
	31	59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
	32
	33	As a special exception, if other files instantiate templates or use macros
	34	or inline functions from this file, or you compile this file and link it
	35	with other works to produce a work based on this file, this file does not
	36	by itself cause the resulting work to be covered by the GNU General Public
	37	License. However the source code for this file must still be made available
	38	in accordance with section (3) of the GNU General Public License.
	39
	40	This exception does not invalidate any other reasons why a work based on
	41	this file might be covered by the GNU General Public License.
	42
	43	Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
	44	at http://sources.redhat.com/ecos/ecos-license/
	45	-------------------------------------------
	46	####ECOSGPLCOPYRIGHTEND####
	47	####BSDCOPYRIGHTBEGIN####
	48
	49	-------------------------------------------
	50
	51	Portions of this software may have been derived from OpenBSD or other sources,
	52	and are covered by the appropriate copyright disclaimers included herein.
	53
	54	-------------------------------------------
	55
	56	####BSDCOPYRIGHTEND####
	57	==========================================================================
	58	#####DESCRIPTIONBEGIN####
	59
4acbc6c7 JCPV	60	Author(s): gthomas
	61	Contributors: gthomas, jskov, rsandifo
	62	Date: 2001-06-13
8ed96046 WD	63	Purpose:
	64	Description:
	65
4acbc6c7	66	FIXME: Will fail if pinged with large packets (1520 bytes)
8ed96046 WD	67	Add promisc config
	68	Add SNMP
	69
	70	####DESCRIPTIONEND####
	71
8ed96046	72	==========================================================================
8ed96046 WD	73	*/
	74
	75	#include <common.h>
	76	#include <command.h>
8ed96046	77
e710185a	78	/* NE2000 base header file */
e710185a	79	#include "ne2000_base.h"
8ed96046	80
8ed96046 WD	81	/* find prom (taken from pc_net_cs.c from Linux) */
	82
	83	#include "8390.h"
e710185a	84	/*
8ed96046 WD	85	typedef struct hw_info_t {
	86	u_int offset;
	87	u_char a0, a1, a2;
	88	u_int flags;
	89	} hw_info_t;
e710185a	90	*/
8ed96046 WD	91	#define DELAY_OUTPUT 0x01
	92	#define HAS_MISC_REG 0x02
	93	#define USE_BIG_BUF 0x04
	94	#define HAS_IBM_MISC 0x08
	95	#define IS_DL10019 0x10
	96	#define IS_DL10022 0x20
	97	#define HAS_MII 0x40
	98	#define USE_SHMEM 0x80 /* autodetected */
	99
4acbc6c7 JCPV	100	#define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */
4acbc6c7 JCPV	101	#define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */
8ed96046 WD	102	#define MII_PHYID_REV_MASK 0xfffffff0
	103	#define MII_PHYID_REG1 0x02
	104	#define MII_PHYID_REG2 0x03
	105
	106	static hw_info_t hw_info[] = {
	107	{ /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT },
	108	{ /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 },
	109	{ /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 },
	110	{ /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94,
4acbc6c7	111	DELAY_OUTPUT \| HAS_IBM_MISC },
8ed96046 WD	112	{ /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 },
	113	{ /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 },
	114	{ /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 },
	115	{ /* D-Link DE-650 */ 0x0040, 0x00, 0x80, 0xc8, 0 },
	116	{ /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 },
	117	{ /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 },
	118	{ /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48,
4acbc6c7	119	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046 WD	120	{ /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 },
	121	{ /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 },
	122	{ /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a,
4acbc6c7	123	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	124	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac,
4acbc6c7	125	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	126	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29,
4acbc6c7	127	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	128	{ /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a,
4acbc6c7	129	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	130	{ /* IBM FME */ 0x0374, 0x00, 0x04, 0xac,
4acbc6c7	131	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	132	{ /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87,
4acbc6c7	133	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	134	{ /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17,
4acbc6c7	135	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	136	{ /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8,
4acbc6c7	137	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	138	{ /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0,
4acbc6c7	139	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	140	{ /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0,
4acbc6c7	141	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046 WD	142	{ /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 },
	143	{ /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 },
	144	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0,
4acbc6c7	145	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	146	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f,
4acbc6c7	147	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046 WD	148	{ /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 },
	149	{ /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 },
	150	{ /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 },
	151	{ /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 },
	152	{ /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65,
4acbc6c7	153	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046	154	{ /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45,
4acbc6c7	155	HAS_MISC_REG \| HAS_IBM_MISC },
8ed96046 WD	156	{ /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 },
	157	{ /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 },
	158	{ /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 },
	159	{ /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b,
4acbc6c7	160	DELAY_OUTPUT \| HAS_MISC_REG \| USE_BIG_BUF },
8ed96046 WD	161	{ /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 },
	162	{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
	163	{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
	164	{ /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 },
ec227557	165	{ /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 },
327f55c6 NI	166	{ /* Qemu */ 0x0, 0x52, 0x54, 0x00, 0 },
327f55c6 NI	167	{ /* RTL8019AS */ 0x0, 0x0, 0x18, 0x5f, 0 }
8ed96046 WD	168	};
	169
	170	#define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t))
	171
8ed96046 WD	172	#define PCNET_CMD 0x00
	173	#define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */
	174	#define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */
	175	#define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */
	176
702c85b0	177	static void pcnet_reset_8390(u8* addr)
2ef7503a JCPV	178	{
	179	int i, r;
	180
2ef7503a	181	n2k_outb(E8390_NODMA + E8390_PAGE0+E8390_STOP, E8390_CMD);
702c85b0	182	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
2ef7503a	183	n2k_outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, E8390_CMD);
702c85b0	184	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
2ef7503a	185	n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
702c85b0	186	PRINTK("cmd (at %lx) is %x\n", addr + E8390_CMD, n2k_inb(E8390_CMD));
2ef7503a JCPV	187	n2k_outb(E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD);
	188
	189	n2k_outb(n2k_inb(PCNET_RESET), PCNET_RESET);
	190
	191	for (i = 0; i < 100; i++) {
	192	if ((r = (n2k_inb(EN0_ISR) & ENISR_RESET)) != 0)
	193	break;
	194	PRINTK("got %x in reset\n", r);
	195	udelay(100);
	196	}
	197	n2k_outb(ENISR_RESET, EN0_ISR); /* Ack intr. */
	198
	199	if (i == 100)
	200	printf("pcnet_reset_8390() did not complete.\n");
	201	} /* pcnet_reset_8390 */
	202
702c85b0	203	int get_prom(u8* mac_addr, u8* base_addr)
2ef7503a JCPV	204	{
	205	u8 prom[32];
	206	int i, j;
	207	struct {
	208	u_char value, offset;
	209	} program_seq[] = {
	210	{E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
	211	{0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */
	212	{0x00, EN0_RCNTLO}, /* Clear the count regs. */
	213	{0x00, EN0_RCNTHI},
	214	{0x00, EN0_IMR}, /* Mask completion irq. */
	215	{0xFF, EN0_ISR},
	216	{E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
	217	{E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
	218	{32, EN0_RCNTLO},
	219	{0x00, EN0_RCNTHI},
	220	{0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
	221	{0x00, EN0_RSARHI},
	222	{E8390_RREAD+E8390_START, E8390_CMD},
	223	};
	224
	225	PRINTK ("trying to get MAC via prom reading\n");
	226
702c85b0	227	pcnet_reset_8390 (base_addr);
2ef7503a JCPV	228
	229	mdelay (10);
	230
a62cd29c	231	for (i = 0; i < ARRAY_SIZE(program_seq); i++)
2ef7503a JCPV	232	n2k_outb (program_seq[i].value, program_seq[i].offset);
	233
	234	PRINTK ("PROM:");
	235	for (i = 0; i < 32; i++) {
	236	prom[i] = n2k_inb (PCNET_DATAPORT);
	237	PRINTK (" %02x", prom[i]);
	238	}
	239	PRINTK ("\n");
	240	for (i = 0; i < NR_INFO; i++) {
	241	if ((prom[0] == hw_info[i].a0) &&
	242	(prom[2] == hw_info[i].a1) &&
	243	(prom[4] == hw_info[i].a2)) {
	244	PRINTK ("matched board %d\n", i);
	245	break;
	246	}
	247	}
	248	if ((i < NR_INFO) \|\| ((prom[28] == 0x57) && (prom[30] == 0x57))) {
	249	PRINTK ("on exit i is %d/%ld\n", i, NR_INFO);
	250	PRINTK ("MAC address is ");
	251	for (j = 0; j < 6; j++) {
	252	mac_addr[j] = prom[j << 1];
	253	PRINTK ("%02x:", mac_addr[i]);
	254	}
	255	PRINTK ("\n");
	256	return (i < NR_INFO) ? i : 0;
	257	}
	258	return 0;
	259	}