Merge git://git.denx.de/u-boot

1 files changed, 0 insertions, 352 deletions

diff --git a/drivers/net/netarm_eth.c b/drivers/net/netarm_eth.c
deleted file mode 100644
index 325f16c3a..000000000
--- a/drivers/net/netarm_eth.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright (C) 2004 IMMS gGmbH <www.imms.de>
- *
- * 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
- *
- * author(s): Thomas Elste, <info@elste.org>
- *            (some parts derived from uCLinux Netarm Ethernet Driver)
- */
-
-
-#include <common.h>
-#include <command.h>
-#include <net.h>
-#include "netarm_eth.h"
-#include <asm/arch/netarm_registers.h>
-
-static int na_mii_poll_busy (void);
-
-static void na_get_mac_addr (void)
-{
-	unsigned short p[3];
-	char *m_addr;
-	char ethaddr[20];
-
-	m_addr = (char *) p;
-
-	p[0] = (unsigned short) GET_EADDR (NETARM_ETH_SAL_STATION_ADDR_1);
-	p[1] = (unsigned short) GET_EADDR (NETARM_ETH_SAL_STATION_ADDR_2);
-	p[2] = (unsigned short) GET_EADDR (NETARM_ETH_SAL_STATION_ADDR_3);
-
-	sprintf (ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
-		 m_addr[0], m_addr[1],
-		 m_addr[2], m_addr[3], m_addr[4], m_addr[5]);
-
-	printf ("HW-MAC Address:  %s\n", ethaddr);
-
-	/* set env, todo: check if already an adress is set */
-	setenv ("ethaddr", ethaddr);
-}
-
-static void na_mii_write (int reg, int value)
-{
-	int mii_addr;
-
-	/* Select register */
-	mii_addr = CONFIG_SYS_ETH_PHY_ADDR + reg;
-	SET_EADDR (NETARM_ETH_MII_ADDR, mii_addr);
-	/* Write value */
-	SET_EADDR (NETARM_ETH_MII_WRITE, value);
-	na_mii_poll_busy ();
-}
-
-static unsigned int na_mii_read (int reg)
-{
-	int mii_addr, val;
-
-	/* Select register */
-	mii_addr = CONFIG_SYS_ETH_PHY_ADDR + reg;
-	SET_EADDR (NETARM_ETH_MII_ADDR, mii_addr);
-	/* do one management cycle */
-	SET_EADDR (NETARM_ETH_MII_CMD,
-		   GET_EADDR (NETARM_ETH_MII_CMD) | NETARM_ETH_MIIC_RSTAT);
-	na_mii_poll_busy ();
-	/* Return read value */
-	val = GET_EADDR (NETARM_ETH_MII_READ);
-	return val;
-}
-
-static int na_mii_poll_busy (void)
-{
-	ulong start;
-	/* arm simple, non interrupt dependent timer */
-	start = get_timer(0));
-	while (get_timer(start) < NA_MII_POLL_BUSY_DELAY) {
-		if (!(GET_EADDR (NETARM_ETH_MII_IND) & NETARM_ETH_MIII_BUSY)) {
-			return 1;
-		}
-	}
-	printf ("na_mii_busy timeout\n");
-	return (0);
-}
-
-static int na_mii_identify_phy (void)
-{
-	int id_reg_a = 0;
-
-	/* get phy id register */
-	id_reg_a = na_mii_read (MII_PHY_ID);
-
-	if (id_reg_a == 0x0043) {
-		/* This must be an Enable or a Lucent LU3X31 PHY chip */
-		return 1;
-	} else if (id_reg_a == 0x0013) {
-		/* it is an Intel LXT971A */
-		return 1;
-	}
-	return (0);
-}
-
-static int na_mii_negotiate (void)
-{
-	int i = 0;
-
-	/* Enable auto-negotiation */
-	na_mii_write (MII_PHY_AUTONEGADV, 0x01e1);
-	/* FIXME: 0x01E1 is 100Mb half and full duplex, 0x0061 is 10Mb only */
-	/* Restart auto-negotiation */
-	na_mii_write (MII_PHY_CONTROL, 0x1200);
-
-	/* status register is 0xffff after setting the autoneg restart bit */
-	while (na_mii_read (MII_PHY_STATUS) == 0xffff) {
-		i++;
-	}
-
-	/* na_mii_read uses the timer already, so we can't use it again for
-	   timeout checking.
-	   Instead we just try some times.
-	 */
-	for (i = 0; i < 40000; i++) {
-		if ((na_mii_read (MII_PHY_STATUS) & 0x0024) == 0x0024) {
-			return 0;
-		}
-	}
-	/*
-	   printf("*Warning* autonegotiation timeout, status: 0x%x\n",na_mii_read(MII_PHY_STATUS));
-	 */
-	return (1);
-}
-
-static unsigned int na_mii_check_speed (void)
-{
-	unsigned int status;
-
-	/* Read Status register */
-	status = na_mii_read (MII_PHY_STATUS);
-	/* Check link status.  If 0, default to 100 Mbps. */
-	if ((status & 0x0004) == 0) {
-		printf ("*Warning* no link detected, set default speed to 100Mbs\n");
-		return 1;
-	} else {
-		if ((na_mii_read (17) & 0x4000) != 0) {
-			printf ("100Mbs link detected\n");
-			return 1;
-		} else {
-			printf ("10Mbs link detected\n");
-			return 0;
-		}
-	}
-	return 0;
-}
-
-static int reset_eth (void)
-{
-	int pt;
-	ulong start;
-
-	na_get_mac_addr ();
-	pt = na_mii_identify_phy ();
-
-	/* reset the phy */
-	na_mii_write (MII_PHY_CONTROL, 0x8000);
-	start = get_timer(0);
-	while (get_timer(start) < NA_MII_NEGOTIATE_DELAY) {
-		if ((na_mii_read (MII_PHY_STATUS) & 0x8000) == 0) {
-			break;
-		}
-	}
-	if (get_timer(start) >= NA_MII_NEGOTIATE_DELAY)
-		printf ("phy reset timeout\n");
-
-	/* set the PCS reg */
-	SET_EADDR (NETARM_ETH_PCS_CFG, NETARM_ETH_PCSC_CLKS_25M |
-		   NETARM_ETH_PCSC_ENJAB | NETARM_ETH_PCSC_NOCFR);
-
-	na_mii_negotiate ();
-	na_mii_check_speed ();
-
-	/* Delay 10 millisecond.  (Maybe this should be 1 second.) */
-	udelay (10000);
-
-	/* Turn receive on.
-	   Enable statistics register autozero on read.
-	   Do not insert MAC address on transmit.
-	   Do not enable special test modes.  */
-	SET_EADDR (NETARM_ETH_STL_CFG,
-		   (NETARM_ETH_STLC_AUTOZ | NETARM_ETH_STLC_RXEN));
-
-	/* Set the inter-packet gap delay to 0.96us for MII.
-	   The NET+ARM H/W Reference Guide indicates that the Back-to-back IPG
-	   Gap Timer Register should be set to 0x15 and the Non Back-to-back IPG
-	   Gap Timer Register should be set to 0x00000C12 for the MII PHY. */
-	SET_EADDR (NETARM_ETH_B2B_IPG_GAP_TMR, 0x15);
-	SET_EADDR (NETARM_ETH_NB2B_IPG_GAP_TMR, 0x00000C12);
-
-	/* Add CRC to end of packets.
-	   Pad packets to minimum length of 64 bytes.
-	   Allow unlimited length transmit packets.
-	   Receive all broadcast packets.
-	   NOTE:  Multicast addressing is NOT enabled here currently. */
-	SET_EADDR (NETARM_ETH_MAC_CFG,
-		   (NETARM_ETH_MACC_CRCEN |
-		    NETARM_ETH_MACC_PADEN | NETARM_ETH_MACC_HUGEN));
-	SET_EADDR (NETARM_ETH_SAL_FILTER, NETARM_ETH_SALF_BROAD);
-
-	/* enable fifos */
-	SET_EADDR (NETARM_ETH_GEN_CTRL,
-		   (NETARM_ETH_GCR_ERX | NETARM_ETH_GCR_ETX));
-
-	return (0);
-}
-
-
-extern int eth_init (bd_t * bd)
-{
-	reset_eth ();
-	return 0;
-}
-
-extern void eth_halt (void)
-{
-	SET_EADDR (NETARM_ETH_GEN_CTRL, 0);
-}
-
-/* Get a data block via Ethernet */
-extern int eth_rx (void)
-{
-	int i;
-	unsigned short rxlen;
-	unsigned int *addr;
-	unsigned int rxstatus, lastrxlen;
-	char *pa;
-
-	/* RXBR is 1, data block was received */
-	if ((GET_EADDR (NETARM_ETH_GEN_STAT) & NETARM_ETH_GST_RXBR) == 0)
-		return 0;
-
-	/* get status register and the length of received block */
-	rxstatus = GET_EADDR (NETARM_ETH_RX_STAT);
-	rxlen = (rxstatus & NETARM_ETH_RXSTAT_SIZE) >> 16;
-
-	if (rxlen == 0)
-		return 0;
-
-	/* clear RXBR to make fifo available */
-	SET_EADDR (NETARM_ETH_GEN_STAT,
-		   GET_EADDR (NETARM_ETH_GEN_STAT) & ~NETARM_ETH_GST_RXBR);
-
-	/* clear TXBC to make fifo available */
-	/* According to NETARM50 data manual you just have to clear
-	   RXBR but that has no effect. Only after clearing TXBC the
-	   Fifo becomes readable. */
-	SET_EADDR (NETARM_ETH_GEN_STAT,
-		   GET_EADDR (NETARM_ETH_GEN_STAT) & ~NETARM_ETH_GST_TXBC);
-
-	addr = (unsigned int *) NetRxPackets[0];
-	pa = (char *) NetRxPackets[0];
-
-	/* read the fifo */
-	for (i = 0; i < rxlen / 4; i++) {
-		*addr = GET_EADDR (NETARM_ETH_FIFO_DAT1);
-		addr++;
-	}
-
-	if (GET_EADDR (NETARM_ETH_GEN_STAT) & NETARM_ETH_GST_RXREGR) {
-		/* RXFDB indicates wether the last word is 1,2,3 or 4 bytes long */
-		lastrxlen =
-			(GET_EADDR (NETARM_ETH_GEN_STAT) &
-			 NETARM_ETH_GST_RXFDB) >> 28;
-		*addr = GET_EADDR (NETARM_ETH_FIFO_DAT1);
-		switch (lastrxlen) {
-		case 1:
-			*addr &= 0xff000000;
-			break;
-		case 2:
-			*addr &= 0xffff0000;
-			break;
-		case 3:
-			*addr &= 0xffffff00;
-			break;
-		}
-	}
-
-	/* Pass the packet up to the protocol layers. */
-	NetReceive (NetRxPackets[0], rxlen);
-
-	return rxlen;
-}
-
-/* Send a data block via Ethernet. */
-extern int eth_send(void *packet, int length)
-{
-	int i, length32;
-	char *pa;
-	unsigned int *pa32, lastp = 0, rest;
-
-	pa = (char *) packet;
-	pa32 = (unsigned int *) packet;
-	length32 = length / 4;
-	rest = length % 4;
-
-	/* make sure there's no garbage in the last word */
-	switch (rest) {
-	case 0:
-		lastp = pa32[length32];
-		length32--;
-		break;
-	case 1:
-		lastp = pa32[length32] & 0x000000ff;
-		break;
-	case 2:
-		lastp = pa32[length32] & 0x0000ffff;
-		break;
-	case 3:
-		lastp = pa32[length32] & 0x00ffffff;
-		break;
-	}
-
-	/* write to the fifo */
-	for (i = 0; i < length32; i++)
-		SET_EADDR (NETARM_ETH_FIFO_DAT1, pa32[i]);
-
-	/* the last word is written to an extra register, this
-	   starts the transmission */
-	SET_EADDR (NETARM_ETH_FIFO_DAT2, lastp);
-
-	/* NETARM_ETH_TXSTAT_TXOK should be checked, to know if the transmission
-	   went fine. But we can't use the timer for a timeout loop because
-	   of it is used already in upper layers. So we just try some times. */
-	i = 0;
-	while (i < 50000) {
-		if ((GET_EADDR (NETARM_ETH_TX_STAT) & NETARM_ETH_TXSTAT_TXOK)
-		    == NETARM_ETH_TXSTAT_TXOK)
-			return 0;
-		i++;
-	}
-
-	printf ("eth_send timeout\n");
-	return 1;
-}