[u-boot.git] / net / eth.c

/*
 * (C) Copyright 2001-2004
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program 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 of
 * the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

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

#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)

#ifdef CFG_GT_6426x
extern int gt6426x_eth_initialize(bd_t *bis);
#endif

extern int au1x00_enet_initialize(bd_t*);
extern int dc21x4x_initialize(bd_t*);
extern int e1000_initialize(bd_t*);
extern int eepro100_initialize(bd_t*);
extern int eth_3com_initialize(bd_t*);
extern int fec_initialize(bd_t*);
extern int inca_switch_initialize(bd_t*);
extern int mpc5xxx_fec_initialize(bd_t*);
extern int mpc512x_fec_initialize(bd_t*);
extern int mpc8220_fec_initialize(bd_t*);
extern int mv6436x_eth_initialize(bd_t *);
extern int mv6446x_eth_initialize(bd_t *);
extern int natsemi_initialize(bd_t*);
extern int ns8382x_initialize(bd_t*);
extern int pcnet_initialize(bd_t*);
extern int plb2800_eth_initialize(bd_t*);
extern int ppc_4xx_eth_initialize(bd_t *);
extern int rtl8139_initialize(bd_t*);
extern int rtl8169_initialize(bd_t*);
extern int scc_initialize(bd_t*);
extern int skge_initialize(bd_t*);
extern int tsi108_eth_initialize(bd_t*);
extern int uli526x_initialize(bd_t *);
extern int tsec_initialize(bd_t*, int, char *);
extern int npe_initialize(bd_t *);
extern int uec_initialize(int);
extern int bfin_EMAC_initialize(bd_t *);
extern int atstk1000_eth_initialize(bd_t *);
extern int atngw100_eth_initialize(bd_t *);
extern int mcffec_initialize(bd_t*);
extern int mcdmafec_initialize(bd_t*);
extern int at91cap9_eth_initialize(bd_t *);

#ifdef CONFIG_API
extern void (*push_packet)(volatile void *, int);

static struct {
	uchar data[PKTSIZE];
	int length;
} eth_rcv_bufs[PKTBUFSRX];

static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
#endif

static struct eth_device *eth_devices, *eth_current;

struct eth_device *eth_get_dev(void)
{
	return eth_current;
}

struct eth_device *eth_get_dev_by_name(char *devname)
{
	struct eth_device *dev, *target_dev;

	if (!eth_devices)
		return NULL;

	dev = eth_devices;
	target_dev = NULL;
	do {
		if (strcmp(devname, dev->name) == 0) {
			target_dev = dev;
			break;
		}
		dev = dev->next;
	} while (dev != eth_devices);

	return target_dev;
}

int eth_get_dev_index (void)
{
	struct eth_device *dev;
	int num = 0;

	if (!eth_devices) {
		return (-1);
	}

	for (dev = eth_devices; dev; dev = dev->next) {
		if (dev == eth_current)
			break;
		++num;
	}

	if (dev) {
		return (num);
	}

	return (0);
}

int eth_register(struct eth_device* dev)
{
	struct eth_device *d;

	if (!eth_devices) {
		eth_current = eth_devices = dev;
#ifdef CONFIG_NET_MULTI
		/* update current ethernet name */
		{
			char *act = getenv("ethact");
			if (act == NULL || strcmp(act, eth_current->name) != 0)
				setenv("ethact", eth_current->name);
		}
#endif
	} else {
		for (d=eth_devices; d->next!=eth_devices; d=d->next);
		d->next = dev;
	}

	dev->state = ETH_STATE_INIT;
	dev->next  = eth_devices;

	return 0;
}

int eth_initialize(bd_t *bis)
{
	char enetvar[32];
	unsigned char env_enetaddr[6];
	int i, eth_number = 0;
	char *tmp, *end;

	eth_devices = NULL;
	eth_current = NULL;

	show_boot_progress (64);
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
	miiphy_init();
#endif

#if defined(CONFIG_DB64360) || defined(CONFIG_CPCI750)
	mv6436x_eth_initialize(bis);
#endif
#if defined(CONFIG_DB64460) || defined(CONFIG_P3Mx)
	mv6446x_eth_initialize(bis);
#endif
#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
	ppc_4xx_eth_initialize(bis);
#endif
#ifdef CONFIG_INCA_IP_SWITCH
	inca_switch_initialize(bis);
#endif
#ifdef CONFIG_PLB2800_ETHER
	plb2800_eth_initialize(bis);
#endif
#ifdef SCC_ENET
	scc_initialize(bis);
#endif
#if defined(CONFIG_MPC5xxx_FEC)
	mpc5xxx_fec_initialize(bis);
#endif
#if defined(CONFIG_MPC512x_FEC)
	mpc512x_fec_initialize (bis);
#endif
#if defined(CONFIG_MPC8220_FEC)
	mpc8220_fec_initialize(bis);
#endif
#if defined(CONFIG_SK98)
	skge_initialize(bis);
#endif
#if defined(CONFIG_TSEC1)
	tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
#endif
#if defined(CONFIG_TSEC2)
	tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
#endif
#if defined(CONFIG_MPC85XX_FEC)
	tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
#else
#    if defined(CONFIG_TSEC3)
	tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
#    endif
#    if defined(CONFIG_TSEC4)
	tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
#    endif
#endif
#if defined(CONFIG_UEC_ETH1)
	uec_initialize(0);
#endif
#if defined(CONFIG_UEC_ETH2)
	uec_initialize(1);
#endif
#if defined(CONFIG_UEC_ETH3)
	uec_initialize(2);
#endif
#if defined(CONFIG_UEC_ETH4)
	uec_initialize(3);
#endif

#if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)
	fec_initialize(bis);
#endif
#if defined(CONFIG_AU1X00)
	au1x00_enet_initialize(bis);
#endif
#if defined(CONFIG_IXP4XX_NPE)
	npe_initialize(bis);
#endif
#ifdef CONFIG_E1000
	e1000_initialize(bis);
#endif
#ifdef CONFIG_EEPRO100
	eepro100_initialize(bis);
#endif
#ifdef CONFIG_TULIP
	dc21x4x_initialize(bis);
#endif
#ifdef CONFIG_3COM
	eth_3com_initialize(bis);
#endif
#ifdef CONFIG_PCNET
	pcnet_initialize(bis);
#endif
#ifdef CFG_GT_6426x
	gt6426x_eth_initialize(bis);
#endif
#ifdef CONFIG_NATSEMI
	natsemi_initialize(bis);
#endif
#ifdef CONFIG_NS8382X
	ns8382x_initialize(bis);
#endif
#if defined(CONFIG_TSI108_ETH)
	tsi108_eth_initialize(bis);
#endif
#if defined(CONFIG_ULI526X)
	uli526x_initialize(bis);
#endif
#if defined(CONFIG_RTL8139)
	rtl8139_initialize(bis);
#endif
#if defined(CONFIG_RTL8169)
	rtl8169_initialize(bis);
#endif
#if defined(CONFIG_BF537)
	bfin_EMAC_initialize(bis);
#endif
#if defined(CONFIG_ATSTK1000)
	atstk1000_eth_initialize(bis);
#endif
#if defined(CONFIG_ATNGW100)
	atngw100_eth_initialize(bis);
#endif
#if defined(CONFIG_MCFFEC)
	mcffec_initialize(bis);
#endif
#if defined(CONFIG_FSLDMAFEC)
	mcdmafec_initialize(bis);
#endif
#if defined(CONFIG_AT91CAP9)
	at91cap9_eth_initialize(bis);
#endif

	if (!eth_devices) {
		puts ("No ethernet found.\n");
		show_boot_progress (-64);
	} else {
		struct eth_device *dev = eth_devices;
		char *ethprime = getenv ("ethprime");

		show_boot_progress (65);
		do {
			if (eth_number)
				puts (", ");

			printf("%s", dev->name);

			if (ethprime && strcmp (dev->name, ethprime) == 0) {
				eth_current = dev;
				puts (" [PRIME]");
			}

			sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
			tmp = getenv (enetvar);

			for (i=0; i<6; i++) {
				env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
				if (tmp)
					tmp = (*end) ? end+1 : end;
			}

			if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
				if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
				    memcmp(dev->enetaddr, env_enetaddr, 6))
				{
					printf ("\nWarning: %s MAC addresses don't match:\n",
						dev->name);
					printf ("Address in SROM is         "
					       "%02X:%02X:%02X:%02X:%02X:%02X\n",
					       dev->enetaddr[0], dev->enetaddr[1],
					       dev->enetaddr[2], dev->enetaddr[3],
					       dev->enetaddr[4], dev->enetaddr[5]);
					printf ("Address in environment is  "
					       "%02X:%02X:%02X:%02X:%02X:%02X\n",
					       env_enetaddr[0], env_enetaddr[1],
					       env_enetaddr[2], env_enetaddr[3],
					       env_enetaddr[4], env_enetaddr[5]);
				}

				memcpy(dev->enetaddr, env_enetaddr, 6);
			}

			eth_number++;
			dev = dev->next;
		} while(dev != eth_devices);

#ifdef CONFIG_NET_MULTI
		/* update current ethernet name */
		if (eth_current) {
			char *act = getenv("ethact");
			if (act == NULL || strcmp(act, eth_current->name) != 0)
				setenv("ethact", eth_current->name);
		} else
			setenv("ethact", NULL);
#endif

		putc ('\n');
	}

	return eth_number;
}

void eth_set_enetaddr(int num, char *addr) {
	struct eth_device *dev;
	unsigned char enetaddr[6];
	char *end;
	int i;

	debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);

	if (!eth_devices)
		return;

	for (i=0; i<6; i++) {
		enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
		if (addr)
			addr = (*end) ? end+1 : end;
	}

	dev = eth_devices;
	while(num-- > 0) {
		dev = dev->next;

		if (dev == eth_devices)
			return;
	}

	debug ( "Setting new HW address on %s\n"
		"New Address is             %02X:%02X:%02X:%02X:%02X:%02X\n",
		dev->name,
		enetaddr[0], enetaddr[1],
		enetaddr[2], enetaddr[3],
		enetaddr[4], enetaddr[5]);

	memcpy(dev->enetaddr, enetaddr, 6);
}
#ifdef CONFIG_MCAST_TFTP
/* Multicast.
 * mcast_addr: multicast ipaddr from which multicast Mac is made
 * join: 1=join, 0=leave.
 */
int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
{
 u8 mcast_mac[6];
	if (!eth_current || !eth_current->mcast)
		return -1;
	mcast_mac[5] = htonl(mcast_ip) & 0xff;
	mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
	mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
	mcast_mac[2] = 0x5e;
	mcast_mac[1] = 0x0;
	mcast_mac[0] = 0x1;
	return eth_current->mcast(eth_current, mcast_mac, join);
}

/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
 * and this is the ethernet-crc method needed for TSEC -- and perhaps
 * some other adapter -- hash tables
 */
#define CRCPOLY_LE 0xedb88320
u32 ether_crc (size_t len, unsigned char const *p)
{
	int i;
	u32 crc;
	crc = ~0;
	while (len--) {
		crc ^= *p++;
		for (i = 0; i < 8; i++)
			crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
	}
	/* an reverse the bits, cuz of way they arrive -- last-first */
	crc = (crc >> 16) | (crc << 16);
	crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);
	crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);
	crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);
	crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);
	return crc;
}

#endif


int eth_init(bd_t *bis)
{
	struct eth_device* old_current;

	if (!eth_current)
		return -1;

	old_current = eth_current;
	do {
		debug ("Trying %s\n", eth_current->name);

		if (eth_current->init(eth_current,bis) >= 0) {
			eth_current->state = ETH_STATE_ACTIVE;

			return 0;
		}
		debug  ("FAIL\n");

		eth_try_another(0);
	} while (old_current != eth_current);

	return -1;
}

void eth_halt(void)
{
	if (!eth_current)
		return;

	eth_current->halt(eth_current);

	eth_current->state = ETH_STATE_PASSIVE;
}

int eth_send(volatile void *packet, int length)
{
	if (!eth_current)
		return -1;

	return eth_current->send(eth_current, packet, length);
}

int eth_rx(void)
{
	if (!eth_current)
		return -1;

	return eth_current->recv(eth_current);
}

#ifdef CONFIG_API
static void eth_save_packet(volatile void *packet, int length)
{
	volatile char *p = packet;
	int i;

	if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
		return;

	if (PKTSIZE < length)
		return;

	for (i = 0; i < length; i++)
		eth_rcv_bufs[eth_rcv_last].data[i] = p[i];

	eth_rcv_bufs[eth_rcv_last].length = length;
	eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
}

int eth_receive(volatile void *packet, int length)
{
	volatile char *p = packet;
	void *pp = push_packet;
	int i;

	if (eth_rcv_current == eth_rcv_last) {
		push_packet = eth_save_packet;
		eth_rx();
		push_packet = pp;

		if (eth_rcv_current == eth_rcv_last)
			return -1;
	}

	if (length < eth_rcv_bufs[eth_rcv_current].length)
		return -1;

	length = eth_rcv_bufs[eth_rcv_current].length;

	for (i = 0; i < length; i++)
		p[i] = eth_rcv_bufs[eth_rcv_current].data[i];

	eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
	return length;
}
#endif /* CONFIG_API */

void eth_try_another(int first_restart)
{
	static struct eth_device *first_failed = NULL;
	char *ethrotate;

	/*
	 * Do not rotate between network interfaces when
	 * 'ethrotate' variable is set to 'no'.
	 */
	if (((ethrotate = getenv ("ethrotate")) != NULL) &&
	    (strcmp(ethrotate, "no") == 0))
		return;

	if (!eth_current)
		return;

	if (first_restart) {
		first_failed = eth_current;
	}

	eth_current = eth_current->next;

#ifdef CONFIG_NET_MULTI
	/* update current ethernet name */
	{
		char *act = getenv("ethact");
		if (act == NULL || strcmp(act, eth_current->name) != 0)
			setenv("ethact", eth_current->name);
	}
#endif

	if (first_failed == eth_current) {
		NetRestartWrap = 1;
	}
}

#ifdef CONFIG_NET_MULTI
void eth_set_current(void)
{
	char *act;
	struct eth_device* old_current;

	if (!eth_current)	/* XXX no current */
		return;

	act = getenv("ethact");
	if (act != NULL) {
		old_current = eth_current;
		do {
			if (strcmp(eth_current->name, act) == 0)
				return;
			eth_current = eth_current->next;
		} while (old_current != eth_current);
	}

	setenv("ethact", eth_current->name);
}
#endif

char *eth_get_name (void)
{
	return (eth_current ? eth_current->name : "unknown");
}
#elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)

extern int at91rm9200_miiphy_initialize(bd_t *bis);
extern int emac4xx_miiphy_initialize(bd_t *bis);
extern int mcf52x2_miiphy_initialize(bd_t *bis);
extern int ns7520_miiphy_initialize(bd_t *bis);
extern int dm644x_eth_miiphy_initialize(bd_t *bis);


int eth_initialize(bd_t *bis)
{
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
	miiphy_init();
#endif

#if defined(CONFIG_AT91RM9200)
	at91rm9200_miiphy_initialize(bis);
#endif
#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
	&& !defined(CONFIG_AP1000) && !defined(CONFIG_405)
	emac4xx_miiphy_initialize(bis);
#endif
#if defined(CONFIG_MCF52x2)
	mcf52x2_miiphy_initialize(bis);
#endif
#if defined(CONFIG_NETARM)
	ns7520_miiphy_initialize(bis);
#endif
#if defined(CONFIG_DRIVER_TI_EMAC)
	dm644x_eth_miiphy_initialize(bis);
#endif
	return 0;
}
#endif
Commit	Line	Data
c609719b	1	/*
d4ca31c4	2	* (C) Copyright 2001-2004
c609719b WD	3	* Wolfgang Denk, DENX Software Engineering, [email protected].
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	#include <common.h>
	25	#include <command.h>
	26	#include <net.h>
d9785c14	27	#include <miiphy.h>
c609719b	28
643d1ab2	29	#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
c609719b WD	30
	31	#ifdef CFG_GT_6426x
	32	extern int gt6426x_eth_initialize(bd_t *bis);
	33	#endif
	34
3a473b2a WD	35	extern int au1x00_enet_initialize(bd_t*);
3a473b2a WD	36	extern int dc21x4x_initialize(bd_t*);
682011ff	37	extern int e1000_initialize(bd_t*);
c609719b	38	extern int eepro100_initialize(bd_t*);
c7de829c	39	extern int eth_3com_initialize(bd_t*);
c609719b	40	extern int fec_initialize(bd_t*);
6069ff26	41	extern int inca_switch_initialize(bd_t*);
945af8d7	42	extern int mpc5xxx_fec_initialize(bd_t*);
8993e54b	43	extern int mpc512x_fec_initialize(bd_t*);
983fda83	44	extern int mpc8220_fec_initialize(bd_t*);
3a473b2a WD	45	extern int mv6436x_eth_initialize(bd_t *);
	46	extern int mv6446x_eth_initialize(bd_t *);
	47	extern int natsemi_initialize(bd_t*);
	48	extern int ns8382x_initialize(bd_t*);
	49	extern int pcnet_initialize(bd_t*);
	50	extern int plb2800_eth_initialize(bd_t*);
	51	extern int ppc_4xx_eth_initialize(bd_t *);
	52	extern int rtl8139_initialize(bd_t*);
a8bd82de	53	extern int rtl8169_initialize(bd_t*);
3a473b2a	54	extern int scc_initialize(bd_t*);
7152b1d0	55	extern int skge_initialize(bd_t*);
d1927cee	56	extern int tsi108_eth_initialize(bd_t*);
1f103105	57	extern int uli526x_initialize(bd_t *);
d9b94f28	58	extern int tsec_initialize(bd_t, int, char );
ba94a1bb	59	extern int npe_initialize(bd_t *);
7737d5c6	60	extern int uec_initialize(int);
9fd437bb	61	extern int bfin_EMAC_initialize(bd_t *);
9a24f477	62	extern int atstk1000_eth_initialize(bd_t *);
6b443944	63	extern int atngw100_eth_initialize(bd_t *);
8e585f02	64	extern int mcffec_initialize(bd_t*);
777d1abd	65	extern int mcdmafec_initialize(bd_t*);
20b197c6	66	extern int at91cap9_eth_initialize(bd_t *);
c609719b	67
f85b6071 RJ	68	#ifdef CONFIG_API
	69	extern void (push_packet)(volatile void , int);
	70
	71	static struct {
	72	uchar data[PKTSIZE];
	73	int length;
	74	} eth_rcv_bufs[PKTBUFSRX];
	75
	76	static unsigned int eth_rcv_current = 0, eth_rcv_last = 0;
	77	#endif
	78
c609719b WD	79	static struct eth_device eth_devices, eth_current;
	80
	81	struct eth_device *eth_get_dev(void)
	82	{
	83	return eth_current;
	84	}
	85
63ff004c MB	86	struct eth_device eth_get_dev_by_name(char devname)
	87	{
	88	struct eth_device dev, target_dev;
	89
	90	if (!eth_devices)
	91	return NULL;
	92
	93	dev = eth_devices;
	94	target_dev = NULL;
	95	do {
	96	if (strcmp(devname, dev->name) == 0) {
	97	target_dev = dev;
	98	break;
	99	}
	100	dev = dev->next;
	101	} while (dev != eth_devices);
	102
	103	return target_dev;
	104	}
	105
c609719b WD	106	int eth_get_dev_index (void)
	107	{
	108	struct eth_device *dev;
	109	int num = 0;
	110
	111	if (!eth_devices) {
	112	return (-1);
	113	}
	114
	115	for (dev = eth_devices; dev; dev = dev->next) {
	116	if (dev == eth_current)
	117	break;
	118	++num;
	119	}
	120
	121	if (dev) {
	122	return (num);
	123	}
	124
	125	return (0);
	126	}
	127
	128	int eth_register(struct eth_device* dev)
	129	{
	130	struct eth_device *d;
	131
	132	if (!eth_devices) {
	133	eth_current = eth_devices = dev;
a3d991bd WD	134	#ifdef CONFIG_NET_MULTI
	135	/* update current ethernet name */
	136	{
	137	char *act = getenv("ethact");
	138	if (act == NULL \|\| strcmp(act, eth_current->name) != 0)
	139	setenv("ethact", eth_current->name);
	140	}
	141	#endif
c609719b WD	142	} else {
	143	for (d=eth_devices; d->next!=eth_devices; d=d->next);
	144	d->next = dev;
	145	}
	146
	147	dev->state = ETH_STATE_INIT;
	148	dev->next = eth_devices;
	149
	150	return 0;
	151	}
	152
	153	int eth_initialize(bd_t *bis)
	154	{
5ca2d095 SK	155	char enetvar[32];
5ca2d095 SK	156	unsigned char env_enetaddr[6];
c609719b WD	157	int i, eth_number = 0;
	158	char tmp, end;
	159
	160	eth_devices = NULL;
	161	eth_current = NULL;
	162
fad63407	163	show_boot_progress (64);
643d1ab2	164	#if defined(CONFIG_MII) \|\| defined(CONFIG_CMD_MII)
d9785c14 MB	165	miiphy_init();
	166	#endif
	167
1eac2a71	168	#if defined(CONFIG_DB64360) \|\| defined(CONFIG_CPCI750)
3a473b2a WD	169	mv6436x_eth_initialize(bis);
3a473b2a WD	170	#endif
1eac2a71	171	#if defined(CONFIG_DB64460) \|\| defined(CONFIG_P3Mx)
3a473b2a WD	172	mv6446x_eth_initialize(bis);
3a473b2a WD	173	#endif
7521af1c	174	#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) && !defined(CONFIG_AP1000)
8bde7f77	175	ppc_4xx_eth_initialize(bis);
a3ed3996	176	#endif
6069ff26 WD	177	#ifdef CONFIG_INCA_IP_SWITCH
	178	inca_switch_initialize(bis);
	179	#endif
3e38691e WD	180	#ifdef CONFIG_PLB2800_ETHER
	181	plb2800_eth_initialize(bis);
	182	#endif
baac607c WD	183	#ifdef SCC_ENET
	184	scc_initialize(bis);
	185	#endif
baac607c WD	186	#if defined(CONFIG_MPC5xxx_FEC)
	187	mpc5xxx_fec_initialize(bis);
	188	#endif
8993e54b RJ	189	#if defined(CONFIG_MPC512x_FEC)
	190	mpc512x_fec_initialize (bis);
	191	#endif
7680c140	192	#if defined(CONFIG_MPC8220_FEC)
983fda83 WD	193	mpc8220_fec_initialize(bis);
983fda83 WD	194	#endif
baac607c WD	195	#if defined(CONFIG_SK98)
	196	skge_initialize(bis);
	197	#endif
255a3577 KP	198	#if defined(CONFIG_TSEC1)
255a3577 KP	199	tsec_initialize(bis, 0, CONFIG_TSEC1_NAME);
0ac6f8b7	200	#endif
255a3577 KP	201	#if defined(CONFIG_TSEC2)
255a3577 KP	202	tsec_initialize(bis, 1, CONFIG_TSEC2_NAME);
0ac6f8b7 WD	203	#endif
0ac6f8b7 WD	204	#if defined(CONFIG_MPC85XX_FEC)
d9b94f28 JL	205	tsec_initialize(bis, 2, CONFIG_MPC85XX_FEC_NAME);
d9b94f28 JL	206	#else
255a3577 KP	207	# if defined(CONFIG_TSEC3)
255a3577 KP	208	tsec_initialize(bis, 2, CONFIG_TSEC3_NAME);
d9b94f28	209	# endif
255a3577 KP	210	# if defined(CONFIG_TSEC4)
255a3577 KP	211	tsec_initialize(bis, 3, CONFIG_TSEC4_NAME);
d9b94f28	212	# endif
baac607c	213	#endif
7737d5c6 DL	214	#if defined(CONFIG_UEC_ETH1)
	215	uec_initialize(0);
	216	#endif
	217	#if defined(CONFIG_UEC_ETH2)
	218	uec_initialize(1);
	219	#endif
ccf21c31 JT	220	#if defined(CONFIG_UEC_ETH3)
	221	uec_initialize(2);
	222	#endif
2465665b DS	223	#if defined(CONFIG_UEC_ETH4)
	224	uec_initialize(3);
	225	#endif
debb7354	226
d96f41e0 SR	227	#if defined(FEC_ENET) \|\| defined(CONFIG_ETHER_ON_FCC)
	228	fec_initialize(bis);
	229	#endif
baac607c WD	230	#if defined(CONFIG_AU1X00)
	231	au1x00_enet_initialize(bis);
	232	#endif
ba94a1bb WD	233	#if defined(CONFIG_IXP4XX_NPE)
	234	npe_initialize(bis);
	235	#endif
682011ff WD	236	#ifdef CONFIG_E1000
	237	e1000_initialize(bis);
	238	#endif
c609719b WD	239	#ifdef CONFIG_EEPRO100
	240	eepro100_initialize(bis);
	241	#endif
	242	#ifdef CONFIG_TULIP
	243	dc21x4x_initialize(bis);
	244	#endif
c7de829c WD	245	#ifdef CONFIG_3COM
	246	eth_3com_initialize(bis);
	247	#endif
c609719b WD	248	#ifdef CONFIG_PCNET
	249	pcnet_initialize(bis);
	250	#endif
	251	#ifdef CFG_GT_6426x
	252	gt6426x_eth_initialize(bis);
	253	#endif
	254	#ifdef CONFIG_NATSEMI
	255	natsemi_initialize(bis);
	256	#endif
	257	#ifdef CONFIG_NS8382X
	258	ns8382x_initialize(bis);
	259	#endif
d1927cee	260	#if defined(CONFIG_TSI108_ETH)
d1927cee	261	tsi108_eth_initialize(bis);
c609719b	262	#endif
1f103105 RZ	263	#if defined(CONFIG_ULI526X)
	264	uli526x_initialize(bis);
	265	#endif
63f34912 WD	266	#if defined(CONFIG_RTL8139)
	267	rtl8139_initialize(bis);
	268	#endif
a8bd82de WD	269	#if defined(CONFIG_RTL8169)
	270	rtl8169_initialize(bis);
	271	#endif
9fd437bb AL	272	#if defined(CONFIG_BF537)
	273	bfin_EMAC_initialize(bis);
	274	#endif
9a24f477 HS	275	#if defined(CONFIG_ATSTK1000)
	276	atstk1000_eth_initialize(bis);
	277	#endif
6b443944 HS	278	#if defined(CONFIG_ATNGW100)
	279	atngw100_eth_initialize(bis);
	280	#endif
2870e98a TL	281	#if defined(CONFIG_MCFFEC)
	282	mcffec_initialize(bis);
	283	#endif
777d1abd TL	284	#if defined(CONFIG_FSLDMAFEC)
	285	mcdmafec_initialize(bis);
	286	#endif
20b197c6 SP	287	#if defined(CONFIG_AT91CAP9)
	288	at91cap9_eth_initialize(bis);
	289	#endif
c609719b WD	290
	291	if (!eth_devices) {
	292	puts ("No ethernet found.\n");
fad63407	293	show_boot_progress (-64);
c609719b WD	294	} else {
	295	struct eth_device *dev = eth_devices;
	296	char *ethprime = getenv ("ethprime");
	297
fad63407	298	show_boot_progress (65);
c609719b WD	299	do {
	300	if (eth_number)
	301	puts (", ");
	302
	303	printf("%s", dev->name);
	304
	305	if (ethprime && strcmp (dev->name, ethprime) == 0) {
	306	eth_current = dev;
	307	puts (" [PRIME]");
	308	}
	309
	310	sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number);
	311	tmp = getenv (enetvar);
	312
	313	for (i=0; i<6; i++) {
	314	env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
	315	if (tmp)
	316	tmp = (*end) ? end+1 : end;
	317	}
	318
	319	if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
	320	if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
	321	memcmp(dev->enetaddr, env_enetaddr, 6))
	322	{
baac607c WD	323	printf ("\nWarning: %s MAC addresses don't match:\n",
	324	dev->name);
	325	printf ("Address in SROM is "
c609719b WD	326	"%02X:%02X:%02X:%02X:%02X:%02X\n",
	327	dev->enetaddr[0], dev->enetaddr[1],
	328	dev->enetaddr[2], dev->enetaddr[3],
	329	dev->enetaddr[4], dev->enetaddr[5]);
baac607c	330	printf ("Address in environment is "
c609719b WD	331	"%02X:%02X:%02X:%02X:%02X:%02X\n",
	332	env_enetaddr[0], env_enetaddr[1],
	333	env_enetaddr[2], env_enetaddr[3],
	334	env_enetaddr[4], env_enetaddr[5]);
	335	}
	336
	337	memcpy(dev->enetaddr, env_enetaddr, 6);
	338	}
	339
	340	eth_number++;
	341	dev = dev->next;
	342	} while(dev != eth_devices);
	343
a3d991bd WD	344	#ifdef CONFIG_NET_MULTI
	345	/* update current ethernet name */
	346	if (eth_current) {
	347	char *act = getenv("ethact");
	348	if (act == NULL \|\| strcmp(act, eth_current->name) != 0)
	349	setenv("ethact", eth_current->name);
	350	} else
	351	setenv("ethact", NULL);
	352	#endif
	353
c609719b WD	354	putc ('\n');
	355	}
	356
	357	return eth_number;
	358	}
	359
	360	void eth_set_enetaddr(int num, char *addr) {
	361	struct eth_device *dev;
	362	unsigned char enetaddr[6];
	363	char *end;
	364	int i;
	365
d4ca31c4 WD	366	debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr);
d4ca31c4 WD	367
c609719b WD	368	if (!eth_devices)
	369	return;
	370
	371	for (i=0; i<6; i++) {
	372	enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0;
	373	if (addr)
	374	addr = (*end) ? end+1 : end;
	375	}
	376
	377	dev = eth_devices;
	378	while(num-- > 0) {
	379	dev = dev->next;
	380
	381	if (dev == eth_devices)
	382	return;
	383	}
	384
d4ca31c4 WD	385	debug ( "Setting new HW address on %s\n"
	386	"New Address is %02X:%02X:%02X:%02X:%02X:%02X\n",
	387	dev->name,
a188b585 WD	388	enetaddr[0], enetaddr[1],
	389	enetaddr[2], enetaddr[3],
	390	enetaddr[4], enetaddr[5]);
c609719b WD	391
	392	memcpy(dev->enetaddr, enetaddr, 6);
	393	}
53a5c424 DU	394	#ifdef CONFIG_MCAST_TFTP
	395	/* Multicast.
	396	* mcast_addr: multicast ipaddr from which multicast Mac is made
85eb5caf	397	* join: 1=join, 0=leave.
53a5c424 DU	398	*/
	399	int eth_mcast_join( IPaddr_t mcast_ip, u8 join)
	400	{
	401	u8 mcast_mac[6];
85eb5caf	402	if (!eth_current \|\| !eth_current->mcast)
53a5c424 DU	403	return -1;
	404	mcast_mac[5] = htonl(mcast_ip) & 0xff;
	405	mcast_mac[4] = (htonl(mcast_ip)>>8) & 0xff;
	406	mcast_mac[3] = (htonl(mcast_ip)>>16) & 0x7f;
	407	mcast_mac[2] = 0x5e;
	408	mcast_mac[1] = 0x0;
	409	mcast_mac[0] = 0x1;
	410	return eth_current->mcast(eth_current, mcast_mac, join);
	411	}
	412
85eb5caf WD	413	/* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
85eb5caf WD	414	* and this is the ethernet-crc method needed for TSEC -- and perhaps
53a5c424 DU	415	* some other adapter -- hash tables
	416	*/
	417	#define CRCPOLY_LE 0xedb88320
	418	u32 ether_crc (size_t len, unsigned char const *p)
	419	{
	420	int i;
	421	u32 crc;
	422	crc = ~0;
	423	while (len--) {
	424	crc ^= *p++;
	425	for (i = 0; i < 8; i++)
	426	crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);
	427	}
	428	/* an reverse the bits, cuz of way they arrive -- last-first */
	429	crc = (crc >> 16) \| (crc << 16);
	430	crc = (crc >> 8 & 0x00ff00ff) \| (crc << 8 & 0xff00ff00);
	431	crc = (crc >> 4 & 0x0f0f0f0f) \| (crc << 4 & 0xf0f0f0f0);
	432	crc = (crc >> 2 & 0x33333333) \| (crc << 2 & 0xcccccccc);
	433	crc = (crc >> 1 & 0x55555555) \| (crc << 1 & 0xaaaaaaaa);
	434	return crc;
	435	}
	436
	437	#endif
	438
c609719b WD	439
	440	int eth_init(bd_t *bis)
	441	{
	442	struct eth_device* old_current;
	443
	444	if (!eth_current)
505be87a	445	return -1;
c609719b WD	446
	447	old_current = eth_current;
	448	do {
d4ca31c4	449	debug ("Trying %s\n", eth_current->name);
c609719b	450
422b1a01	451	if (eth_current->init(eth_current,bis) >= 0) {
c609719b WD	452	eth_current->state = ETH_STATE_ACTIVE;
c609719b WD	453
505be87a	454	return 0;
c609719b	455	}
d4ca31c4	456	debug ("FAIL\n");
c609719b WD	457
	458	eth_try_another(0);
	459	} while (old_current != eth_current);
	460
505be87a	461	return -1;
c609719b WD	462	}
	463
	464	void eth_halt(void)
	465	{
	466	if (!eth_current)
	467	return;
	468
	469	eth_current->halt(eth_current);
	470
	471	eth_current->state = ETH_STATE_PASSIVE;
	472	}
	473
	474	int eth_send(volatile void *packet, int length)
	475	{
	476	if (!eth_current)
	477	return -1;
	478
	479	return eth_current->send(eth_current, packet, length);
	480	}
	481
	482	int eth_rx(void)
	483	{
	484	if (!eth_current)
	485	return -1;
	486
	487	return eth_current->recv(eth_current);
	488	}
	489
f85b6071 RJ	490	#ifdef CONFIG_API
	491	static void eth_save_packet(volatile void *packet, int length)
	492	{
	493	volatile char *p = packet;
	494	int i;
	495
	496	if ((eth_rcv_last+1) % PKTBUFSRX == eth_rcv_current)
	497	return;
	498
	499	if (PKTSIZE < length)
	500	return;
	501
	502	for (i = 0; i < length; i++)
	503	eth_rcv_bufs[eth_rcv_last].data[i] = p[i];
	504
	505	eth_rcv_bufs[eth_rcv_last].length = length;
	506	eth_rcv_last = (eth_rcv_last + 1) % PKTBUFSRX;
	507	}
	508
	509	int eth_receive(volatile void *packet, int length)
	510	{
	511	volatile char *p = packet;
	512	void *pp = push_packet;
	513	int i;
	514
	515	if (eth_rcv_current == eth_rcv_last) {
	516	push_packet = eth_save_packet;
	517	eth_rx();
	518	push_packet = pp;
	519
	520	if (eth_rcv_current == eth_rcv_last)
	521	return -1;
	522	}
	523
	524	if (length < eth_rcv_bufs[eth_rcv_current].length)
	525	return -1;
	526
	527	length = eth_rcv_bufs[eth_rcv_current].length;
	528
	529	for (i = 0; i < length; i++)
	530	p[i] = eth_rcv_bufs[eth_rcv_current].data[i];
	531
	532	eth_rcv_current = (eth_rcv_current + 1) % PKTBUFSRX;
	533	return length;
	534	}
	535	#endif /* CONFIG_API */
	536
c609719b WD	537	void eth_try_another(int first_restart)
	538	{
	539	static struct eth_device *first_failed = NULL;
e1692577 MF	540	char *ethrotate;
	541
	542	/*
	543	* Do not rotate between network interfaces when
	544	* 'ethrotate' variable is set to 'no'.
	545	*/
	546	if (((ethrotate = getenv ("ethrotate")) != NULL) &&
	547	(strcmp(ethrotate, "no") == 0))
	548	return;
c609719b WD	549
	550	if (!eth_current)
	551	return;
	552
baac607c	553	if (first_restart) {
c609719b WD	554	first_failed = eth_current;
	555	}
	556
	557	eth_current = eth_current->next;
	558
a3d991bd WD	559	#ifdef CONFIG_NET_MULTI
	560	/* update current ethernet name */
	561	{
	562	char *act = getenv("ethact");
	563	if (act == NULL \|\| strcmp(act, eth_current->name) != 0)
	564	setenv("ethact", eth_current->name);
	565	}
	566	#endif
	567
baac607c	568	if (first_failed == eth_current) {
c609719b WD	569	NetRestartWrap = 1;
	570	}
	571	}
	572
a3d991bd WD	573	#ifdef CONFIG_NET_MULTI
	574	void eth_set_current(void)
	575	{
	576	char *act;
	577	struct eth_device* old_current;
	578
	579	if (!eth_current) /* XXX no current */
	580	return;
	581
	582	act = getenv("ethact");
	583	if (act != NULL) {
	584	old_current = eth_current;
	585	do {
	586	if (strcmp(eth_current->name, act) == 0)
	587	return;
	588	eth_current = eth_current->next;
	589	} while (old_current != eth_current);
	590	}
	591
	592	setenv("ethact", eth_current->name);
	593	}
	594	#endif
	595
5bb226e8 WD	596	char *eth_get_name (void)
	597	{
	598	return (eth_current ? eth_current->name : "unknown");
	599	}
643d1ab2	600	#elif defined(CONFIG_CMD_NET) && !defined(CONFIG_NET_MULTI)
63ff004c MB	601
	602	extern int at91rm9200_miiphy_initialize(bd_t *bis);
	603	extern int emac4xx_miiphy_initialize(bd_t *bis);
	604	extern int mcf52x2_miiphy_initialize(bd_t *bis);
	605	extern int ns7520_miiphy_initialize(bd_t *bis);
c74b2108 SK	606	extern int dm644x_eth_miiphy_initialize(bd_t *bis);
c74b2108 SK	607
63ff004c MB	608
	609	int eth_initialize(bd_t *bis)
	610	{
643d1ab2	611	#if defined(CONFIG_MII) \|\| defined(CONFIG_CMD_MII)
d9785c14 MB	612	miiphy_init();
	613	#endif
	614
63ff004c MB	615	#if defined(CONFIG_AT91RM9200)
	616	at91rm9200_miiphy_initialize(bis);
	617	#endif
	618	#if defined(CONFIG_4xx) && !defined(CONFIG_IOP480) \
	619	&& !defined(CONFIG_AP1000) && !defined(CONFIG_405)
	620	emac4xx_miiphy_initialize(bis);
	621	#endif
	622	#if defined(CONFIG_MCF52x2)
	623	mcf52x2_miiphy_initialize(bis);
	624	#endif
	625	#if defined(CONFIG_NETARM)
	626	ns7520_miiphy_initialize(bis);
c74b2108 SK	627	#endif
	628	#if defined(CONFIG_DRIVER_TI_EMAC)
	629	dm644x_eth_miiphy_initialize(bis);
63ff004c MB	630	#endif
	631	return 0;
	632	}
c609719b	633	#endif