* Some code cleanup

* Patch by Josef Baumgartner, 10 Feb 2004:
  Fixes for Coldfire port

* Patch by Brad Kemp, 11 Feb 2004:
  Fix CFI flash driver problems

1 files changed, 0 insertions, 296 deletions

diff --git a/cpu/coldfire/fec.c b/cpu/coldfire/fec.c
deleted file mode 100644
index 5062741..0000000
--- a/cpu/coldfire/fec.c
+++ /dev/null
@@ -1,296 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * 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 <commproc.h>
-#include <net.h>
-#include <command.h>
-
-
-/**************************************************************
- *
- * FEC Ethernet Initialization Routine
- *
- *************************************************************/
-
-#define FEC_ECNTRL_ETHER_EN	0x00000002
-#define FEC_ECNTRL_RESET	0x00000001
-
-#define FEC_RCNTRL_BC_REJ	0x00000010
-#define FEC_RCNTRL_PROM		0x00000008
-#define FEC_RCNTRL_MII_MODE	0x00000004
-#define FEC_RCNTRL_DRT		0x00000002
-#define FEC_RCNTRL_LOOP		0x00000001
-
-#define FEC_TCNTRL_FDEN		0x00000004
-#define FEC_TCNTRL_HBC		0x00000002
-#define FEC_TCNTRL_GTS		0x00000001
-
-#define	FEC_RESET_DELAY		50000
-
-
-/* Ethernet Transmit and Receive Buffers */
-#define DBUF_LENGTH  1520
-#define TX_BUF_CNT 2
-#define TOUT_LOOP 100
-
-#define PKT_MAXBUF_SIZE		1518
-#define PKT_MINBUF_SIZE		64
-#define PKT_MAXBLR_SIZE		1520
-
-
-#ifdef CONFIG_M5272
-#define FEC_ADDR 0x10000840
-#endif
-#ifdef CONFIG_M5282
-#define FEC_ADDR 0x40001000
-#endif
-
-#undef	ET_DEBUG
-
-#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
-
-
-static char txbuf[DBUF_LENGTH];
-
-static uint rxIdx;		/* index of the current RX buffer */
-static uint txIdx;		/* index of the current TX buffer */
-
-/*
-  * FEC Ethernet Tx and Rx buffer descriptors allocated at the
-  *  immr->udata_bd address on Dual-Port RAM
-  * Provide for Double Buffering
-  */
-
-typedef volatile struct CommonBufferDescriptor {
-	cbd_t rxbd[PKTBUFSRX];	/* Rx BD */
-	cbd_t txbd[TX_BUF_CNT];	/* Tx BD */
-} RTXBD;
-
-static RTXBD *rtx = 0x380000;
-
-
-int eth_send (volatile void *packet, int length)
-{
-	int j, rc;
-	volatile fec_t *fecp = FEC_ADDR;
-
-	/* section 16.9.23.3
-	 * Wait for ready
-	 */
-	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
-	       && (j < TOUT_LOOP)) {
-		udelay (1);
-		j++;
-	}
-	if (j >= TOUT_LOOP) {
-		printf ("TX not ready\n");
-	}
-
-	rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
-	rtx->txbd[txIdx].cbd_datlen = length;
-	rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
-
-	/* Activate transmit Buffer Descriptor polling */
-	fecp->fec_x_des_active = 0x01000000;	/* Descriptor polling active    */
-
-	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
-	       && (j < TOUT_LOOP)) {
-		udelay (1);
-		j++;
-	}
-	if (j >= TOUT_LOOP) {
-		printf ("TX timeout\n");
-	}
-#ifdef ET_DEBUG
-	printf ("%s[%d] %s: cycles: %d    status: %x  retry cnt: %d\n",
-		__FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc,
-		(rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2);
-#endif
-	/* return only status bits */ ;
-	rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
-
-	txIdx = (txIdx + 1) % TX_BUF_CNT;
-
-	return rc;
-}
-
-int eth_rx (void)
-{
-	int length;
-	volatile fec_t *fecp = FEC_ADDR;
-
-	for (;;) {
-		/* section 16.9.23.2 */
-		if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
-			length = -1;
-			break;	/* nothing received - leave for() loop */
-		}
-
-		length = rtx->rxbd[rxIdx].cbd_datlen;
-
-		if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
-#ifdef ET_DEBUG
-			printf ("%s[%d] err: %x\n",
-				__FUNCTION__, __LINE__,
-				rtx->rxbd[rxIdx].cbd_sc);
-#endif
-		} else {
-			/* Pass the packet up to the protocol layers. */
-			NetReceive (NetRxPackets[rxIdx], length - 4);
-		}
-
-		/* Give the buffer back to the FEC. */
-		rtx->rxbd[rxIdx].cbd_datlen = 0;
-
-		/* wrap around buffer index when necessary */
-		if ((rxIdx + 1) >= PKTBUFSRX) {
-			rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
-				(BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
-			rxIdx = 0;
-		} else {
-			rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
-			rxIdx++;
-		}
-
-		/* Try to fill Buffer Descriptors */
-		fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
-	}
-
-	return length;
-}
-
-
-int eth_init (bd_t * bd)
-{
-
-	int i;
-	volatile fec_t *fecp = FEC_ADDR;
-
-	/* Whack a reset.
-	 * A delay is required between a reset of the FEC block and
-	 * initialization of other FEC registers because the reset takes
-	 * some time to complete. If you don't delay, subsequent writes
-	 * to FEC registers might get killed by the reset routine which is
-	 * still in progress.
-	 */
-
-	fecp->fec_ecntrl = FEC_ECNTRL_RESET;
-	for (i = 0;
-	     (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
-	     ++i) {
-		udelay (1);
-	}
-	if (i == FEC_RESET_DELAY) {
-		printf ("FEC_RESET_DELAY timeout\n");
-		return 0;
-	}
-
-	/* We use strictly polling mode only
-	 */
-	fecp->fec_imask = 0;
-
-	/* Clear any pending interrupt */
-	fecp->fec_ievent = 0xffffffff;
-
-	/* Set station address   */
-#define ea bd->bi_enetaddr
-	fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
-		(ea[2] << 8) | (ea[3]);
-	fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16);
-#undef ea
-
-	/* Clear multicast address hash table
-	 */
-	fecp->fec_hash_table_high = 0;
-	fecp->fec_hash_table_low = 0;
-
-	/* Set maximum receive buffer size.
-	 */
-	fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
-
-	/*
-	 * Setup Buffers and Buffer Desriptors
-	 */
-	rxIdx = 0;
-	txIdx = 0;
-
-	/*
-	 * Setup Receiver Buffer Descriptors (13.14.24.18)
-	 * Settings:
-	 *     Empty, Wrap
-	 */
-	for (i = 0; i < PKTBUFSRX; i++) {
-		rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
-		rtx->rxbd[i].cbd_datlen = 0;	/* Reset */
-		rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
-	}
-	rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
-	/*
-	 * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
-	 * Settings:
-	 *    Last, Tx CRC
-	 */
-	for (i = 0; i < TX_BUF_CNT; i++) {
-		rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
-		rtx->txbd[i].cbd_datlen = 0;	/* Reset */
-		rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
-	}
-	rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
-	/* Set receive and transmit descriptor base
-	 */
-	fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]);
-	fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]);
-
-	/* Enable MII mode
-	 */
-
-	/* Half duplex mode */
-	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE;
-	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE;
-	fecp->fec_x_cntrl = 0;
-
-	fecp->fec_mii_speed = 0;
-
-	/* Now enable the transmit and receive processing
-	 */
-	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
-
-	/* And last, try to fill Rx Buffer Descriptors */
-	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
-
-	return 1;
-}
-
-
-void eth_halt (void)
-{
-	volatile fec_t *fecp = FEC_ADDR;
-
-	fecp->fec_ecntrl = 0;
-}
-#endif