Power: remove support for Freescale MPC8220

The Freescale MPC8220 Power Architecture processors have long reached
EOL; Freescale does not even list these any more on their web site.

Remove the code to avoid wasting maitaining efforts on dead stuff.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Andy Fleming <afleming@gmail.com>

1 files changed, 0 insertions, 961 deletions

diff --git a/arch/powerpc/cpu/mpc8220/fec.c b/arch/powerpc/cpu/mpc8220/fec.c
deleted file mode 100644
index 43fa802ca..000000000
--- a/arch/powerpc/cpu/mpc8220/fec.c
+++ /dev/null
@@ -1,961 +0,0 @@
-/*
- * (C) Copyright 2003-2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * This file is based on mpc4200fec.c,
- * (C) Copyright Motorola, Inc., 2000
- */
-
-#include <common.h>
-#include <mpc8220.h>
-#include <malloc.h>
-#include <net.h>
-#include <miiphy.h>
-#include "dma.h"
-#include "fec.h"
-
-#undef  DEBUG
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_MPC8220_FEC)
-
-#if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
-#error "CONFIG_MII has to be defined!"
-#endif
-
-#ifdef DEBUG
-static void tfifo_print (char *devname, mpc8220_fec_priv * fec);
-static void rfifo_print (char *devname, mpc8220_fec_priv * fec);
-#endif /* DEBUG */
-
-typedef struct {
-	u8 data[1500];		/* actual data */
-	int length;		/* actual length */
-	int used;		/* buffer in use or not */
-	u8 head[16];		/* MAC header(6 + 6 + 2) + 2(aligned) */
-} NBUF;
-
-int fec8220_miiphy_read (const char *devname, u8 phyAddr, u8 regAddr, u16 *retVal);
-int fec8220_miiphy_write (const char *devname, u8 phyAddr, u8 regAddr, u16 data);
-
-/********************************************************************/
-#ifdef DEBUG
-static void mpc8220_fec_phydump (char *devname)
-{
-	u16 phyStatus, i;
-	u8 phyAddr = CONFIG_PHY_ADDR;
-	u8 reg_mask[] = {
-#if CONFIG_PHY_TYPE == 0x79c874 /* AMD Am79C874 */
-		/* regs to print: 0...7, 16...19, 21, 23, 24 */
-		1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
-		1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0,
-#else
-		/* regs to print: 0...8, 16...20 */
-		1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0,
-		1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-#endif
-	};
-
-	for (i = 0; i < 32; i++) {
-		if (reg_mask[i]) {
-			miiphy_read (devname, phyAddr, i, &phyStatus);
-			printf ("Mii reg %d: 0x%04x\n", i, phyStatus);
-		}
-	}
-}
-#endif
-
-/********************************************************************/
-static int mpc8220_fec_rbd_init (mpc8220_fec_priv * fec)
-{
-	int ix;
-	char *data;
-	static int once = 0;
-
-	for (ix = 0; ix < FEC_RBD_NUM; ix++) {
-		if (!once) {
-			data = (char *) malloc (FEC_MAX_PKT_SIZE);
-			if (data == NULL) {
-				printf ("RBD INIT FAILED\n");
-				return -1;
-			}
-			fec->rbdBase[ix].dataPointer = (u32) data;
-		}
-		fec->rbdBase[ix].status = FEC_RBD_EMPTY;
-		fec->rbdBase[ix].dataLength = 0;
-	}
-	once++;
-
-	/*
-	 * have the last RBD to close the ring
-	 */
-	fec->rbdBase[ix - 1].status |= FEC_RBD_WRAP;
-	fec->rbdIndex = 0;
-
-	return 0;
-}
-
-/********************************************************************/
-static void mpc8220_fec_tbd_init (mpc8220_fec_priv * fec)
-{
-	int ix;
-
-	for (ix = 0; ix < FEC_TBD_NUM; ix++) {
-		fec->tbdBase[ix].status = 0;
-	}
-
-	/*
-	 * Have the last TBD to close the ring
-	 */
-	fec->tbdBase[ix - 1].status |= FEC_TBD_WRAP;
-
-	/*
-	 * Initialize some indices
-	 */
-	fec->tbdIndex = 0;
-	fec->usedTbdIndex = 0;
-	fec->cleanTbdNum = FEC_TBD_NUM;
-}
-
-/********************************************************************/
-static void mpc8220_fec_rbd_clean (mpc8220_fec_priv * fec, FEC_RBD * pRbd)
-{
-	/*
-	 * Reset buffer descriptor as empty
-	 */
-	if ((fec->rbdIndex) == (FEC_RBD_NUM - 1))
-		pRbd->status = (FEC_RBD_WRAP | FEC_RBD_EMPTY);
-	else
-		pRbd->status = FEC_RBD_EMPTY;
-
-	pRbd->dataLength = 0;
-
-	/*
-	 * Now, we have an empty RxBD, restart the SmartDMA receive task
-	 */
-	DMA_TASK_ENABLE (FEC_RECV_TASK_NO);
-
-	/*
-	 * Increment BD count
-	 */
-	fec->rbdIndex = (fec->rbdIndex + 1) % FEC_RBD_NUM;
-}
-
-/********************************************************************/
-static void mpc8220_fec_tbd_scrub (mpc8220_fec_priv * fec)
-{
-	FEC_TBD *pUsedTbd;
-
-#ifdef DEBUG
-	printf ("tbd_scrub: fec->cleanTbdNum = %d, fec->usedTbdIndex = %d\n",
-		fec->cleanTbdNum, fec->usedTbdIndex);
-#endif
-
-	/*
-	 * process all the consumed TBDs
-	 */
-	while (fec->cleanTbdNum < FEC_TBD_NUM) {
-		pUsedTbd = &fec->tbdBase[fec->usedTbdIndex];
-		if (pUsedTbd->status & FEC_TBD_READY) {
-#ifdef DEBUG
-			printf ("Cannot clean TBD %d, in use\n",
-				fec->cleanTbdNum);
-#endif
-			return;
-		}
-
-		/*
-		 * clean this buffer descriptor
-		 */
-		if (fec->usedTbdIndex == (FEC_TBD_NUM - 1))
-			pUsedTbd->status = FEC_TBD_WRAP;
-		else
-			pUsedTbd->status = 0;
-
-		/*
-		 * update some indeces for a correct handling of the TBD ring
-		 */
-		fec->cleanTbdNum++;
-		fec->usedTbdIndex = (fec->usedTbdIndex + 1) % FEC_TBD_NUM;
-	}
-}
-
-/********************************************************************/
-static void mpc8220_fec_set_hwaddr (mpc8220_fec_priv * fec, char *mac)
-{
-	u8 currByte;		/* byte for which to compute the CRC */
-	int byte;		/* loop - counter */
-	int bit;		/* loop - counter */
-	u32 crc = 0xffffffff;	/* initial value */
-
-	/*
-	 * The algorithm used is the following:
-	 * we loop on each of the six bytes of the provided address,
-	 * and we compute the CRC by left-shifting the previous
-	 * value by one position, so that each bit in the current
-	 * byte of the address may contribute the calculation. If
-	 * the latter and the MSB in the CRC are different, then
-	 * the CRC value so computed is also ex-ored with the
-	 * "polynomium generator". The current byte of the address
-	 * is also shifted right by one bit at each iteration.
-	 * This is because the CRC generatore in hardware is implemented
-	 * as a shift-register with as many ex-ores as the radixes
-	 * in the polynomium. This suggests that we represent the
-	 * polynomiumm itself as a 32-bit constant.
-	 */
-	for (byte = 0; byte < 6; byte++) {
-		currByte = mac[byte];
-		for (bit = 0; bit < 8; bit++) {
-			if ((currByte & 0x01) ^ (crc & 0x01)) {
-				crc >>= 1;
-				crc = crc ^ 0xedb88320;
-			} else {
-				crc >>= 1;
-			}
-			currByte >>= 1;
-		}
-	}
-
-	crc = crc >> 26;
-
-	/*
-	 * Set individual hash table register
-	 */
-	if (crc >= 32) {
-		fec->eth->iaddr1 = (1 << (crc - 32));
-		fec->eth->iaddr2 = 0;
-	} else {
-		fec->eth->iaddr1 = 0;
-		fec->eth->iaddr2 = (1 << crc);
-	}
-
-	/*
-	 * Set physical address
-	 */
-	fec->eth->paddr1 =
-		(mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3];
-	fec->eth->paddr2 = (mac[4] << 24) + (mac[5] << 16) + 0x8808;
-}
-
-/********************************************************************/
-static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis)
-{
-	mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
-	struct mpc8220_dma *dma = (struct mpc8220_dma *) MMAP_DMA;
-	const u8 phyAddr = CONFIG_PHY_ADDR;	/* Only one PHY */
-
-#ifdef DEBUG
-	printf ("mpc8220_fec_init... Begin\n");
-#endif
-
-	/*
-	 * Initialize RxBD/TxBD rings
-	 */
-	mpc8220_fec_rbd_init (fec);
-	mpc8220_fec_tbd_init (fec);
-
-	/*
-	 * Set up Pin Muxing for FEC 1
-	 */
-	*(vu_long *) MMAP_PCFG = 0;
-	*(vu_long *) (MMAP_PCFG + 4) = 0;
-	/*
-	 * Clear FEC-Lite interrupt event register(IEVENT)
-	 */
-	fec->eth->ievent = 0xffffffff;
-
-	/*
-	 * Set interrupt mask register
-	 */
-	fec->eth->imask = 0x00000000;
-
-	/*
-	 * Set FEC-Lite receive control register(R_CNTRL):
-	 */
-	if (fec->xcv_type == SEVENWIRE) {
-		/*
-		 * Frame length=1518; 7-wire mode
-		 */
-		fec->eth->r_cntrl = 0x05ee0020; /*0x05ee0000;FIXME */
-	} else {
-		/*
-		 * Frame length=1518; MII mode;
-		 */
-		fec->eth->r_cntrl = 0x05ee0024; /*0x05ee0004;FIXME */
-	}
-
-	fec->eth->x_cntrl = 0x00000000; /* half-duplex, heartbeat disabled */
-	if (fec->xcv_type != SEVENWIRE) {
-		/*
-		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
-		 * and do not drop the Preamble.
-		 */
-		/*
-		 * tbd - rtm
-		 * fec->eth->mii_speed = (((gd->arch.ipb_clk >> 20) / 5) << 1);
-		 * No MII for 7-wire mode
-		 */
-		fec->eth->mii_speed = 0x00000030;
-	}
-
-	/*
-	 * Set Opcode/Pause Duration Register
-	 */
-	fec->eth->op_pause = 0x00010020;	/*FIXME0xffff0020; */
-
-	/*
-	 * Set Rx FIFO alarm and granularity value
-	 */
-	fec->eth->rfifo_cntrl = 0x0c000000;
-	fec->eth->rfifo_alarm = 0x0000030c;
-#ifdef DEBUG
-	if (fec->eth->rfifo_status & 0x00700000) {
-		printf ("mpc8220_fec_init() RFIFO error\n");
-	}
-#endif
-
-	/*
-	 * Set Tx FIFO granularity value
-	 */
-	/*fec->eth->tfifo_cntrl = 0x0c000000; */ /*tbd - rtm */
-	fec->eth->tfifo_cntrl = 0x0e000000;
-#ifdef DEBUG
-	printf ("tfifo_status: 0x%08x\n", fec->eth->tfifo_status);
-	printf ("tfifo_alarm: 0x%08x\n", fec->eth->tfifo_alarm);
-#endif
-
-	/*
-	 * Set transmit fifo watermark register(X_WMRK), default = 64
-	 */
-	fec->eth->tfifo_alarm = 0x00000080;
-	fec->eth->x_wmrk = 0x2;
-
-	/*
-	 * Set individual address filter for unicast address
-	 * and set physical address registers.
-	 */
-	mpc8220_fec_set_hwaddr (fec, (char *)(dev->enetaddr));
-
-	/*
-	 * Set multicast address filter
-	 */
-	fec->eth->gaddr1 = 0x00000000;
-	fec->eth->gaddr2 = 0x00000000;
-
-	/*
-	 * Turn ON cheater FSM: ????
-	 */
-	fec->eth->xmit_fsm = 0x03000000;
-
-#if 1
-/*#if defined(CONFIG_MPC5200)*/
-	/*
-	 * Turn off COMM bus prefetch in the MGT5200 BestComm. It doesn't
-	 * work w/ the current receive task.
-	 */
-	dma->PtdCntrl |= 0x00000001;
-#endif
-
-	/*
-	 * Set priority of different initiators
-	 */
-	dma->IPR0 = 7;		/* always */
-	dma->IPR3 = 6;		/* Eth RX */
-	dma->IPR4 = 5;		/* Eth Tx */
-
-	/*
-	 * Clear SmartDMA task interrupt pending bits
-	 */
-	DMA_CLEAR_IEVENT (FEC_RECV_TASK_NO);
-
-	/*
-	 * Initialize SmartDMA parameters stored in SRAM
-	 */
-	*(int *) FEC_TBD_BASE = (int) fec->tbdBase;
-	*(int *) FEC_RBD_BASE = (int) fec->rbdBase;
-	*(int *) FEC_TBD_NEXT = (int) fec->tbdBase;
-	*(int *) FEC_RBD_NEXT = (int) fec->rbdBase;
-
-	if (fec->xcv_type != SEVENWIRE) {
-		/*
-		 * Initialize PHY(LXT971A):
-		 *
-		 *   Generally, on power up, the LXT971A reads its configuration
-		 *   pins to check for forced operation, If not cofigured for
-		 *   forced operation, it uses auto-negotiation/parallel detection
-		 *   to automatically determine line operating conditions.
-		 *   If the PHY device on the other side of the link supports
-		 *   auto-negotiation, the LXT971A auto-negotiates with it
-		 *   using Fast Link Pulse(FLP) Bursts. If the PHY partner does not
-		 *   support auto-negotiation, the LXT971A automatically detects
-		 *   the presence of either link pulses(10Mbps PHY) or Idle
-		 *   symbols(100Mbps) and sets its operating conditions accordingly.
-		 *
-		 *   When auto-negotiation is controlled by software, the following
-		 *   steps are recommended.
-		 *
-		 * Note:
-		 *   The physical address is dependent on hardware configuration.
-		 *
-		 */
-		int timeout = 1;
-		u16 phyStatus;
-
-		/*
-		 * Reset PHY, then delay 300ns
-		 */
-		miiphy_write (dev->name, phyAddr, 0x0, 0x8000);
-		udelay (1000);
-
-		if (fec->xcv_type == MII10) {
-			/*
-			 * Force 10Base-T, FDX operation
-			 */
-#ifdef DEBUG
-			printf ("Forcing 10 Mbps ethernet link... ");
-#endif
-			miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
-			/*
-			   miiphy_write(fec, phyAddr, 0x0, 0x0100);
-			 */
-			miiphy_write (dev->name, phyAddr, 0x0, 0x0180);
-
-			timeout = 20;
-			do {	/* wait for link status to go down */
-				udelay (10000);
-				if ((timeout--) == 0) {
-#ifdef DEBUG
-					printf ("hmmm, should not have waited...");
-#endif
-					break;
-				}
-				miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
-#ifdef DEBUG
-				printf ("=");
-#endif
-			} while ((phyStatus & 0x0004)); /* !link up */
-
-			timeout = 1000;
-			do {	/* wait for link status to come back up */
-				udelay (10000);
-				if ((timeout--) == 0) {
-					printf ("failed. Link is down.\n");
-					break;
-				}
-				miiphy_read (dev->name, phyAddr, 0x1, &phyStatus);
-#ifdef DEBUG
-				printf ("+");
-#endif
-			} while (!(phyStatus & 0x0004));	/* !link up */
-
-#ifdef DEBUG
-			printf ("done.\n");
-#endif
-		} else {	/* MII100 */
-			/*
-			 * Set the auto-negotiation advertisement register bits
-			 */
-			miiphy_write (dev->name, phyAddr, 0x4, 0x01e1);
-
-			/*
-			 * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation
-			 */
-			miiphy_write (dev->name, phyAddr, 0x0, 0x1200);
-
-			/*
-			 * Wait for AN completion
-			 */
-			timeout = 5000;
-			do {
-				udelay (1000);
-
-				if ((timeout--) == 0) {
-#ifdef DEBUG
-					printf ("PHY auto neg 0 failed...\n");
-#endif
-					return -1;
-				}
-
-				if (miiphy_read (dev->name, phyAddr, 0x1, &phyStatus) !=
-				    0) {
-#ifdef DEBUG
-					printf ("PHY auto neg 1 failed 0x%04x...\n", phyStatus);
-#endif
-					return -1;
-				}
-			} while (!(phyStatus & 0x0004));
-
-#ifdef DEBUG
-			printf ("PHY auto neg complete! \n");
-#endif
-		}
-
-	}
-
-	/*
-	 * Enable FEC-Lite controller
-	 */
-	fec->eth->ecntrl |= 0x00000006;
-
-#ifdef DEBUG
-	if (fec->xcv_type != SEVENWIRE)
-		mpc8220_fec_phydump (dev->name);
-#endif
-
-	/*
-	 * Enable SmartDMA receive task
-	 */
-	DMA_TASK_ENABLE (FEC_RECV_TASK_NO);
-
-#ifdef DEBUG
-	printf ("mpc8220_fec_init... Done \n");
-#endif
-
-	return 1;
-}
-
-/********************************************************************/
-static void mpc8220_fec_halt (struct eth_device *dev)
-{
-	mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
-	int counter = 0xffff;
-
-#ifdef DEBUG
-	if (fec->xcv_type != SEVENWIRE)
-		mpc8220_fec_phydump (dev->name);
-#endif
-
-	/*
-	 * mask FEC chip interrupts
-	 */
-	fec->eth->imask = 0;
-
-	/*
-	 * issue graceful stop command to the FEC transmitter if necessary
-	 */
-	fec->eth->x_cntrl |= 0x00000001;
-
-	/*
-	 * wait for graceful stop to register
-	 */
-	while ((counter--) && (!(fec->eth->ievent & 0x10000000)));
-
-	/*
-	 * Disable SmartDMA tasks
-	 */
-	DMA_TASK_DISABLE (FEC_XMIT_TASK_NO);
-	DMA_TASK_DISABLE (FEC_RECV_TASK_NO);
-
-	/*
-	 * Disable the Ethernet Controller
-	 */
-	fec->eth->ecntrl &= 0xfffffffd;
-
-	/*
-	 * Clear FIFO status registers
-	 */
-	fec->eth->rfifo_status &= 0x00700000;
-	fec->eth->tfifo_status &= 0x00700000;
-
-	fec->eth->reset_cntrl = 0x01000000;
-
-	/*
-	 * Issue a reset command to the FEC chip
-	 */
-	fec->eth->ecntrl |= 0x1;
-
-	/*
-	 * wait at least 16 clock cycles
-	 */
-	udelay (10);
-
-#ifdef DEBUG
-	printf ("Ethernet task stopped\n");
-#endif
-}
-
-#ifdef DEBUG
-/********************************************************************/
-
-static void tfifo_print (char *devname, mpc8220_fec_priv * fec)
-{
-	u16 phyAddr = CONFIG_PHY_ADDR;
-	u16 phyStatus;
-
-	if ((fec->eth->tfifo_lrf_ptr != fec->eth->tfifo_lwf_ptr)
-	    || (fec->eth->tfifo_rdptr != fec->eth->tfifo_wrptr)) {
-
-		miiphy_read (devname, phyAddr, 0x1, &phyStatus);
-		printf ("\nphyStatus: 0x%04x\n", phyStatus);
-		printf ("ecntrl:   0x%08x\n", fec->eth->ecntrl);
-		printf ("ievent:   0x%08x\n", fec->eth->ievent);
-		printf ("x_status: 0x%08x\n", fec->eth->x_status);
-		printf ("tfifo: status	0x%08x\n", fec->eth->tfifo_status);
-
-		printf ("	control 0x%08x\n", fec->eth->tfifo_cntrl);
-		printf ("	lrfp	0x%08x\n", fec->eth->tfifo_lrf_ptr);
-		printf ("	lwfp	0x%08x\n", fec->eth->tfifo_lwf_ptr);
-		printf ("	alarm	0x%08x\n", fec->eth->tfifo_alarm);
-		printf ("	readptr 0x%08x\n", fec->eth->tfifo_rdptr);
-		printf ("	writptr 0x%08x\n", fec->eth->tfifo_wrptr);
-	}
-}
-
-static void rfifo_print (char *devname, mpc8220_fec_priv * fec)
-{
-	u16 phyAddr = CONFIG_PHY_ADDR;
-	u16 phyStatus;
-
-	if ((fec->eth->rfifo_lrf_ptr != fec->eth->rfifo_lwf_ptr)
-	    || (fec->eth->rfifo_rdptr != fec->eth->rfifo_wrptr)) {
-
-		miiphy_read (devname, phyAddr, 0x1, &phyStatus);
-		printf ("\nphyStatus: 0x%04x\n", phyStatus);
-		printf ("ecntrl:   0x%08x\n", fec->eth->ecntrl);
-		printf ("ievent:   0x%08x\n", fec->eth->ievent);
-		printf ("x_status: 0x%08x\n", fec->eth->x_status);
-		printf ("rfifo: status	0x%08x\n", fec->eth->rfifo_status);
-
-		printf ("	control 0x%08x\n", fec->eth->rfifo_cntrl);
-		printf ("	lrfp	0x%08x\n", fec->eth->rfifo_lrf_ptr);
-		printf ("	lwfp	0x%08x\n", fec->eth->rfifo_lwf_ptr);
-		printf ("	alarm	0x%08x\n", fec->eth->rfifo_alarm);
-		printf ("	readptr 0x%08x\n", fec->eth->rfifo_rdptr);
-		printf ("	writptr 0x%08x\n", fec->eth->rfifo_wrptr);
-	}
-}
-#endif /* DEBUG */
-
-/********************************************************************/
-
-static int mpc8220_fec_send(struct eth_device *dev, void *eth_data,
-			     int data_length)
-{
-	/*
-	 * This routine transmits one frame.  This routine only accepts
-	 * 6-byte Ethernet addresses.
-	 */
-	mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
-	FEC_TBD *pTbd;
-
-#ifdef DEBUG
-	printf ("tbd status: 0x%04x\n", fec->tbdBase[0].status);
-	tfifo_print (dev->name, fec);
-#endif
-
-	/*
-	 * Clear Tx BD ring at first
-	 */
-	mpc8220_fec_tbd_scrub (fec);
-
-	/*
-	 * Check for valid length of data.
-	 */
-	if ((data_length > 1500) || (data_length <= 0)) {
-		return -1;
-	}
-
-	/*
-	 * Check the number of vacant TxBDs.
-	 */
-	if (fec->cleanTbdNum < 1) {
-#ifdef DEBUG
-		printf ("No available TxBDs ...\n");
-#endif
-		return -1;
-	}
-
-	/*
-	 * Get the first TxBD to send the mac header
-	 */
-	pTbd = &fec->tbdBase[fec->tbdIndex];
-	pTbd->dataLength = data_length;
-	pTbd->dataPointer = (u32) eth_data;
-	pTbd->status |= FEC_TBD_LAST | FEC_TBD_TC | FEC_TBD_READY;
-	fec->tbdIndex = (fec->tbdIndex + 1) % FEC_TBD_NUM;
-
-#ifdef DEBUG
-	printf ("DMA_TASK_ENABLE, fec->tbdIndex = %d \n", fec->tbdIndex);
-#endif
-
-	/*
-	 * Kick the MII i/f
-	 */
-	if (fec->xcv_type != SEVENWIRE) {
-		u16 phyStatus;
-
-		miiphy_read (dev->name, 0, 0x1, &phyStatus);
-	}
-
-	/*
-	 * Enable SmartDMA transmit task
-	 */
-
-#ifdef DEBUG
-	tfifo_print (dev->name, fec);
-#endif
-
-	DMA_TASK_ENABLE (FEC_XMIT_TASK_NO);
-
-#ifdef DEBUG
-	tfifo_print (dev->name, fec);
-#endif
-
-#ifdef DEBUG
-	printf ("+");
-#endif
-
-	fec->cleanTbdNum -= 1;
-
-#ifdef DEBUG
-	printf ("smartDMA ethernet Tx task enabled\n");
-#endif
-	/*
-	 * wait until frame is sent .
-	 */
-	while (pTbd->status & FEC_TBD_READY) {
-		udelay (10);
-#ifdef DEBUG
-		printf ("TDB status = %04x\n", pTbd->status);
-#endif
-	}
-
-	return 0;
-}
-
-
-/********************************************************************/
-static int mpc8220_fec_recv (struct eth_device *dev)
-{
-	/*
-	 * This command pulls one frame from the card
-	 */
-	mpc8220_fec_priv *fec = (mpc8220_fec_priv *) dev->priv;
-	FEC_RBD *pRbd = &fec->rbdBase[fec->rbdIndex];
-	unsigned long ievent;
-	int frame_length, len = 0;
-	NBUF *frame;
-
-#ifdef DEBUG
-	printf ("mpc8220_fec_recv %d Start...\n", fec->rbdIndex);
-	printf ("-");
-#endif
-
-	/*
-	 * Check if any critical events have happened
-	 */
-	ievent = fec->eth->ievent;
-	fec->eth->ievent = ievent;
-	if (ievent & 0x20060000) {
-		/* BABT, Rx/Tx FIFO errors */
-		mpc8220_fec_halt (dev);
-		mpc8220_fec_init (dev, NULL);
-		return 0;
-	}
-	if (ievent & 0x80000000) {
-		/* Heartbeat error */
-		fec->eth->x_cntrl |= 0x00000001;
-	}
-	if (ievent & 0x10000000) {
-		/* Graceful stop complete */
-		if (fec->eth->x_cntrl & 0x00000001) {
-			mpc8220_fec_halt (dev);
-			fec->eth->x_cntrl &= ~0x00000001;
-			mpc8220_fec_init (dev, NULL);
-		}
-	}
-
-	if (!(pRbd->status & FEC_RBD_EMPTY)) {
-		if ((pRbd->status & FEC_RBD_LAST)
-		    && !(pRbd->status & FEC_RBD_ERR)
-		    && ((pRbd->dataLength - 4) > 14)) {
-
-			/*
-			 * Get buffer address and size
-			 */
-			frame = (NBUF *) pRbd->dataPointer;
-			frame_length = pRbd->dataLength - 4;
-
-			/* DEBUG code */
-			if (_DEBUG) {
-				int i;
-
-				printf ("recv data hdr:");
-				for (i = 0; i < 14; i++)
-					printf ("%x ", *(frame->head + i));
-				printf ("\n");
-			}
-
-			/*
-			 *  Fill the buffer and pass it to upper layers
-			 */
-/*			memcpy(buff, frame->head, 14);
-			memcpy(buff + 14, frame->data, frame_length);*/
-			NetReceive((uchar *)pRbd->dataPointer, frame_length);
-			len = frame_length;
-		}
-		/*
-		 * Reset buffer descriptor as empty
-		 */
-		mpc8220_fec_rbd_clean (fec, pRbd);
-	}
-	DMA_CLEAR_IEVENT (FEC_RECV_TASK_NO);
-	return len;
-}
-
-
-/********************************************************************/
-int mpc8220_fec_initialize (bd_t * bis)
-{
-	mpc8220_fec_priv *fec;
-
-#ifdef CONFIG_HAS_ETH1
-	mpc8220_fec_priv *fec2;
-#endif
-	struct eth_device *dev;
-	char *tmp, *end;
-	char env_enetaddr[6];
-
-#ifdef CONFIG_HAS_ETH1
-	char env_enet1addr[6];
-#endif
-	int i;
-
-	fec = (mpc8220_fec_priv *) malloc (sizeof (*fec));
-	dev = (struct eth_device *) malloc (sizeof (*dev));
-	memset (dev, 0, sizeof *dev);
-
-	fec->eth = (ethernet_regs *) MMAP_FEC1;
-#ifdef CONFIG_HAS_ETH1
-	fec2 = (mpc8220_fec_priv *) malloc (sizeof (*fec));
-	fec2->eth = (ethernet_regs *) MMAP_FEC2;
-#endif
-	fec->tbdBase = (FEC_TBD *) FEC_BD_BASE;
-	fec->rbdBase =
-		(FEC_RBD *) (FEC_BD_BASE + FEC_TBD_NUM * sizeof (FEC_TBD));
-	fec->xcv_type = MII100;
-
-	dev->priv = (void *) fec;
-	dev->iobase = MMAP_FEC1;
-	dev->init = mpc8220_fec_init;
-	dev->halt = mpc8220_fec_halt;
-	dev->send = mpc8220_fec_send;
-	dev->recv = mpc8220_fec_recv;
-
-	sprintf (dev->name, "FEC");
-	eth_register (dev);
-
-#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
-	miiphy_register (dev->name,
-			fec8220_miiphy_read, fec8220_miiphy_write);
-#endif
-
-	/*
-	 * Try to set the mac address now. The fec mac address is
-	 * a garbage after reset. When not using fec for booting
-	 * the Linux fec driver will try to work with this garbage.
-	 */
-	tmp = getenv ("ethaddr");
-	if (tmp) {
-		for (i = 0; i < 6; i++) {
-			env_enetaddr[i] =
-				tmp ? simple_strtoul (tmp, &end, 16) : 0;
-			if (tmp)
-				tmp = (*end) ? end + 1 : end;
-		}
-		mpc8220_fec_set_hwaddr (fec, env_enetaddr);
-	}
-#ifdef CONFIG_HAS_ETH1
-	tmp = getenv ("eth1addr");
-	if (tmp) {
-		for (i = 0; i < 6; i++) {
-			env_enet1addr[i] =
-				tmp ? simple_strtoul (tmp, &end, 16) : 0;
-			if (tmp)
-				tmp = (*end) ? end + 1 : end;
-		}
-		mpc8220_fec_set_hwaddr (fec2, env_enet1addr);
-	}
-#endif
-
-	return 1;
-}
-
-/* MII-interface related functions */
-/********************************************************************/
-int fec8220_miiphy_read (const char *devname, u8 phyAddr, u8 regAddr, u16 *retVal)
-{
-	ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
-	u32 reg;		/* convenient holder for the PHY register */
-	u32 phy;		/* convenient holder for the PHY */
-	int timeout = 0xffff;
-
-	/*
-	 * reading from any PHY's register is done by properly
-	 * programming the FEC's MII data register.
-	 */
-	reg = regAddr << FEC_MII_DATA_RA_SHIFT;
-	phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
-
-	eth->mii_data =
-		(FEC_MII_DATA_ST | FEC_MII_DATA_OP_RD | FEC_MII_DATA_TA | phy
-		 | reg);
-
-	/*
-	 * wait for the related interrupt
-	 */
-	while ((timeout--) && (!(eth->ievent & 0x00800000)));
-
-	if (timeout == 0) {
-#ifdef DEBUG
-		printf ("Read MDIO failed...\n");
-#endif
-		return -1;
-	}
-
-	/*
-	 * clear mii interrupt bit
-	 */
-	eth->ievent = 0x00800000;
-
-	/*
-	 * it's now safe to read the PHY's register
-	 */
-	*retVal = (u16) eth->mii_data;
-
-	return 0;
-}
-
-/********************************************************************/
-int fec8220_miiphy_write(const char *devname, u8 phyAddr, u8 regAddr, u16 data)
-{
-	ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
-	u32 reg;		/* convenient holder for the PHY register */
-	u32 phy;		/* convenient holder for the PHY */
-	int timeout = 0xffff;
-
-	reg = regAddr << FEC_MII_DATA_RA_SHIFT;
-	phy = phyAddr << FEC_MII_DATA_PA_SHIFT;
-
-	eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_WR |
-			 FEC_MII_DATA_TA | phy | reg | data);
-
-	/*
-	 * wait for the MII interrupt
-	 */
-	while ((timeout--) && (!(eth->ievent & 0x00800000)));
-
-	if (timeout == 0) {
-#ifdef DEBUG
-		printf ("Write MDIO failed...\n");
-#endif
-		return -1;
-	}
-
-	/*
-	 * clear MII interrupt bit
-	 */
-	eth->ievent = 0x00800000;
-
-	return 0;
-}
-
-#endif /* CONFIG_MPC8220_FEC */