[FIX] remove files form repository

drivers/net/xilinx_emac.c

@@ -1,374 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal SIMEK <monstr@monstr.eu>
- *
- * 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
- *
- * Based on Xilinx drivers
- *
- */
-
-#include <config.h>
-#include <common.h>
-#include <net.h>
-#include <asm/io.h>
-#include "xilinx_emac.h"
-
-#ifdef XILINX_EMAC
-
-#undef DEBUG
-
-#define ENET_MAX_MTU		PKTSIZE
-#define ENET_ADDR_LENGTH	6
-
-static unsigned int etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
-
-static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };
-
-static xemac emac;
-
-void eth_halt(void)
-{
-#ifdef DEBUG
-	puts ("eth_halt\n");
-#endif
-}
-
-int eth_init(bd_t * bis)
-{
-	u32 helpreg;
-#ifdef DEBUG
-	printf("EMAC Initialization Started\n\r");
-#endif
-	if (emac.isstarted) {
-		puts("Emac is started\n");
-		return 0;
-	}
-
-	memset (&emac, 0, sizeof (xemac));
-
-	emac.baseaddress = XILINX_EMAC_BASEADDR;
-
-	/* Setting up FIFOs */
-	emac.recvfifo.regbaseaddress = emac.baseaddress +
-					XEM_PFIFO_RXREG_OFFSET;
-	emac.recvfifo.databaseaddress = emac.baseaddress +
-					XEM_PFIFO_RXDATA_OFFSET;
-	out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK);
-
-	emac.sendfifo.regbaseaddress = emac.baseaddress +
-					XEM_PFIFO_TXREG_OFFSET;
-	emac.sendfifo.databaseaddress = emac.baseaddress +
-					XEM_PFIFO_TXDATA_OFFSET;
-	out_be32 (emac.sendfifo.regbaseaddress, XPF_RESET_FIFO_MASK);
-
-	/* Reset the entire IPIF */
-	out_be32 (emac.baseaddress + XIIF_V123B_RESETR_OFFSET,
-					XIIF_V123B_RESET_MASK);
-
-	/* Stopping EMAC for setting up MAC */
-	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET);
-	helpreg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK);
-	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg);
-
-	if (!getenv("ethaddr")) {
-		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH);
-	}
-
-	/* Set the device station address high and low registers */
-	helpreg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1];
-	out_be32 (emac.baseaddress + XEM_SAH_OFFSET, helpreg);
-	helpreg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) |
-			(bis->bi_enetaddr[4] << 8) | bis->bi_enetaddr[5];
-	out_be32 (emac.baseaddress + XEM_SAL_OFFSET, helpreg);
-
-
-	helpreg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK |
-		XEM_ECR_FULL_DUPLEX_MASK | XEM_ECR_XMIT_FCS_ENABLE_MASK |
-		XEM_ECR_XMIT_PAD_ENABLE_MASK | XEM_ECR_PHY_ENABLE_MASK;
-	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg);
-
-	emac.isstarted = 1;
-
-	/* Enable the transmitter, and receiver */
-	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET);
-	helpreg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK);
-	helpreg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK);
-	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg);
-
-	printf("EMAC Initialization complete\n\r");
-	return 0;
-}
-
-int eth_send(volatile void *ptr, int len)
-{
-	u32 intrstatus;
-	u32 xmitstatus;
-	u32 fifocount;
-	u32 wordcount;
-	u32 extrabytecount;
-	u32 *wordbuffer = (u32 *) ptr;
-
-	if (len > ENET_MAX_MTU)
-		len = ENET_MAX_MTU;
-
-	/*
-	 * Check for overruns and underruns for the transmit status and length
-	 * FIFOs and make sure the send packet FIFO is not deadlocked.
-	 * Any of these conditions is bad enough that we do not want to
-	 * continue. The upper layer software should reset the device to resolve
-	 * the error.
-	 */
-	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET);
-	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK |
-			XEM_EIR_XMIT_LFIFO_OVER_MASK)) {
-#ifdef DEBUG
-		puts ("Transmitting overrun error\n");
-#endif
-		return 0;
-	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK |
-			XEM_EIR_XMIT_LFIFO_UNDER_MASK)) {
-#ifdef DEBUG
-		puts ("Transmitting underrun error\n");
-#endif
-		return 0;
-	} else if (in_be32 (emac.sendfifo.regbaseaddress +
-			XPF_COUNT_STATUS_REG_OFFSET) & XPF_DEADLOCK_MASK) {
-#ifdef DEBUG
-		puts("Transmitting fifo error\n");
-#endif
-		return 0;
-	}
-
-	/*
-	 * Before writing to the data FIFO, make sure the length FIFO is not
-	 * full. The data FIFO might not be full yet even though the length FIFO
-	 * is. This avoids an overrun condition on the length FIFO and keeps the
-	 * FIFOs in sync.
-	 *
-	 * Clear the latched LFIFO_FULL bit so next time around the most
-	 * current status is represented
-	 */
-	if (intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) {
-		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET,
-			intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK);
-#ifdef DEBUG
-		puts ("Fifo is full\n");
-#endif
-		return 0;
-	}
-
-	/* get the count of how many words may be inserted into the FIFO */
-	fifocount = in_be32 (emac.sendfifo.regbaseaddress +
-				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK;
-	wordcount = len >> 2;
-	extrabytecount = len & 0x3;
-
-	if (fifocount < wordcount) {
-#ifdef DEBUG
-		puts ("Sending packet is larger then size of FIFO\n");
-#endif
-		return 0;
-	}
-
-	for (fifocount = 0; fifocount < wordcount; fifocount++) {
-		out_be32 (emac.sendfifo.databaseaddress, wordbuffer[fifocount]);
-	}
-	if (extrabytecount > 0) {
-		u32 lastword = 0;
-		u8 *extrabytesbuffer = (u8 *) (wordbuffer + wordcount);
-
-		if (extrabytecount == 1) {
-			lastword = extrabytesbuffer[0] << 24;
-		} else if (extrabytecount == 2) {
-			lastword = extrabytesbuffer[0] << 24 |
-				extrabytesbuffer[1] << 16;
-		} else if (extrabytecount == 3) {
-			lastword = extrabytesbuffer[0] << 24 |
-				extrabytesbuffer[1] << 16 |
-				extrabytesbuffer[2] << 8;
-		}
-		out_be32 (emac.sendfifo.databaseaddress, lastword);
-	}
-
-	/* Loop on the MAC's status to wait for any pause to complete */
-	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET);
-	while ((intrstatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) {
-		intrstatus = in_be32 ((emac.baseaddress) +
-					XIIF_V123B_IISR_OFFSET);
-		/* Clear the pause status from the transmit status register */
-		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET,
-				intrstatus & XEM_EIR_XMIT_PAUSE_MASK);
-	}
-
-	/*
-	 * Set the MAC's transmit packet length register to tell it to transmit
-	 */
-	out_be32 (emac.baseaddress + XEM_TPLR_OFFSET, len);
-
-	/*
-	 * Loop on the MAC's status to wait for the transmit to complete.
-	 * The transmit status is in the FIFO when the XMIT_DONE bit is set.
-	 */
-	do {
-		intrstatus = in_be32 ((emac.baseaddress) +
-						XIIF_V123B_IISR_OFFSET);
-	}
-	while ((intrstatus & XEM_EIR_XMIT_DONE_MASK) == 0);
-
-	xmitstatus = in_be32 (emac.baseaddress + XEM_TSR_OFFSET);
-
-	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK |
-					XEM_EIR_XMIT_LFIFO_OVER_MASK)) {
-#ifdef DEBUG
-		puts ("Transmitting overrun error\n");
-#endif
-		return 0;
-	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK |
-					XEM_EIR_XMIT_LFIFO_UNDER_MASK)) {
-#ifdef DEBUG
-		puts ("Transmitting underrun error\n");
-#endif
-		return 0;
-	}
-
-	/* Clear the interrupt status register of transmit statuses */
-	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET,
-				intrstatus & XEM_EIR_XMIT_ALL_MASK);
-
-	/*
-	 * Collision errors are stored in the transmit status register
-	 * instead of the interrupt status register
-	 */
-	if ((xmitstatus & XEM_TSR_EXCESS_DEFERRAL_MASK) ||
-				(xmitstatus & XEM_TSR_LATE_COLLISION_MASK)) {
-#ifdef DEBUG
-		puts ("Transmitting collision error\n");
-#endif
-		return 0;
-	}
-	return 1;
-}
-
-int eth_rx(void)
-{
-	u32 pktlength;
-	u32 intrstatus;
-	u32 fifocount;
-	u32 wordcount;
-	u32 extrabytecount;
-	u32 lastword;
-	u8 *extrabytesbuffer;
-
-	if (in_be32 (emac.recvfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET)
-			& XPF_DEADLOCK_MASK) {
-		out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK);
-#ifdef DEBUG
-		puts ("Receiving FIFO deadlock\n");
-#endif
-		return 0;
-	}
-
-	/*
-	 * Get the interrupt status to know what happened (whether an error
-	 * occurred and/or whether frames have been received successfully).
-	 * When clearing the intr status register, clear only statuses that
-	 * pertain to receive.
-	 */
-	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET);
-	/*
-	 * Before reading from the length FIFO, make sure the length FIFO is not
-	 * empty. We could cause an underrun error if we try to read from an
-	 * empty FIFO.
-	 */
-	if (!(intrstatus & XEM_EIR_RECV_DONE_MASK)) {
-#ifdef DEBUG
-		/* puts("Receiving FIFO is empty\n"); */
-#endif
-		return 0;
-	}
-
-	/*
-	 * Determine, from the MAC, the length of the next packet available
-	 * in the data FIFO (there should be a non-zero length here)
-	 */
-	pktlength = in_be32 (emac.baseaddress + XEM_RPLR_OFFSET);
-	if (!pktlength) {
-		return 0;
-	}
-
-	/*
-	 * Write the RECV_DONE bit in the status register to clear it. This bit
-	 * indicates the RPLR is non-empty, and we know it's set at this point.
-	 * We clear it so that subsequent entry into this routine will reflect
-	 * the current status. This is done because the non-empty bit is latched
-	 * in the IPIF, which means it may indicate a non-empty condition even
-	 * though there is something in the FIFO.
-	 */
-	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET,
-						XEM_EIR_RECV_DONE_MASK);
-
-	fifocount = in_be32 (emac.recvfifo.regbaseaddress +
-				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK;
-
-	if ((fifocount * 4) < pktlength) {
-#ifdef DEBUG
-		puts ("Receiving FIFO is smaller than packet size.\n");
-#endif
-		return 0;
-	}
-
-	wordcount = pktlength >> 2;
-	extrabytecount = pktlength & 0x3;
-
-	for (fifocount = 0; fifocount < wordcount; fifocount++) {
-		etherrxbuff[fifocount] =
-				in_be32 (emac.recvfifo.databaseaddress);
-	}
-
-	/*
-	 * if there are extra bytes to handle, read the last word from the FIFO
-	 * and insert the extra bytes into the buffer
-	 */
-	if (extrabytecount > 0) {
-		extrabytesbuffer = (u8 *) (etherrxbuff + wordcount);
-
-		lastword = in_be32 (emac.recvfifo.databaseaddress);
-
-		/*
-		 * one extra byte in the last word, put the byte into the next
-		 * location of the buffer, bytes in a word of the FIFO are
-		 * ordered from most significant byte to least
-		 */
-		if (extrabytecount == 1) {
-			extrabytesbuffer[0] = (u8) (lastword >> 24);
-		} else if (extrabytecount == 2) {
-			extrabytesbuffer[0] = (u8) (lastword >> 24);
-			extrabytesbuffer[1] = (u8) (lastword >> 16);
-		} else if (extrabytecount == 3) {
-			extrabytesbuffer[0] = (u8) (lastword >> 24);
-			extrabytesbuffer[1] = (u8) (lastword >> 16);
-			extrabytesbuffer[2] = (u8) (lastword >> 8);
-		}
-	}
-	NetReceive((uchar *)etherrxbuff, pktlength);
-	return 1;
-}
-#endif

drivers/net/xilinx_emac.h

@@ -1,148 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal SIMEK <monstr@monstr.eu>
- *
- * 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
- *
- * Based on Xilinx drivers
- *
- */
-
-typedef struct {
-	u32 regbaseaddress;	/* Base address of registers */
-	u32 databaseaddress;	/* Base address of data for FIFOs */
-} xpacketfifov100b;
-
-typedef struct {
-	u32 baseaddress;	/* Base address (of IPIF) */
-	u32 isstarted;		/* Device is currently started 0-no, 1-yes */
-	xpacketfifov100b recvfifo;	/* FIFO used to receive frames */
-	xpacketfifov100b sendfifo;	/* FIFO used to send frames */
-} xemac;
-
-#define XIIF_V123B_IISR_OFFSET	32UL /* IP interrupt status register */
-#define XIIF_V123B_RESET_MASK		0xAUL
-#define XIIF_V123B_RESETR_OFFSET	64UL /* reset register */
-
-/* This constant is used with the Reset Register */
-#define XPF_RESET_FIFO_MASK		0x0000000A
-#define XPF_COUNT_STATUS_REG_OFFSET	4UL
-
-/* These constants are used with the Occupancy/Vacancy Count Register. This
- * register also contains FIFO status */
-#define XPF_COUNT_MASK			0x0000FFFF
-#define XPF_DEADLOCK_MASK		0x20000000
-
-/* Offset of the MAC registers from the IPIF base address */
-#define XEM_REG_OFFSET		0x1100UL
-
-/*
- * Register offsets for the Ethernet MAC. Each register is 32 bits.
- */
-#define XEM_ECR_OFFSET	(XEM_REG_OFFSET + 0x4)	/* MAC Control */
-#define XEM_SAH_OFFSET	(XEM_REG_OFFSET + 0xC)	/* Station addr, high */
-#define XEM_SAL_OFFSET	(XEM_REG_OFFSET + 0x10)	/* Station addr, low */
-#define XEM_RPLR_OFFSET	(XEM_REG_OFFSET + 0x1C)	/* Rx packet length */
-#define XEM_TPLR_OFFSET	(XEM_REG_OFFSET + 0x20)	/* Tx packet length */
-#define XEM_TSR_OFFSET	(XEM_REG_OFFSET + 0x24)	/* Tx status */
-
-
-
-#define XEM_PFIFO_OFFSET	0x2000UL
-/* Tx registers */
-#define XEM_PFIFO_TXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x0)
-/* Rx registers */
-#define XEM_PFIFO_RXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x10)
-/* Tx keyhole */
-#define XEM_PFIFO_TXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x100)
-/* Rx keyhole */
-#define XEM_PFIFO_RXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x200)
-
-
-/*
- * EMAC Interrupt Registers (Status and Enable) masks. These registers are
- * part of the IPIF IP Interrupt registers
- */
-/* A mask for all transmit interrupts, used in polled mode */
-#define XEM_EIR_XMIT_ALL_MASK	(XEM_EIR_XMIT_DONE_MASK |\
-				 XEM_EIR_XMIT_ERROR_MASK | \
-				 XEM_EIR_XMIT_SFIFO_EMPTY_MASK |\
-				 XEM_EIR_XMIT_LFIFO_FULL_MASK)
-
-/* Xmit complete */
-#define XEM_EIR_XMIT_DONE_MASK		0x00000001UL
-/* Recv complete */
-#define XEM_EIR_RECV_DONE_MASK		0x00000002UL
-/* Xmit error */
-#define XEM_EIR_XMIT_ERROR_MASK		0x00000004UL
-/* Recv error */
-#define XEM_EIR_RECV_ERROR_MASK		0x00000008UL
-/* Xmit status fifo empty */
-#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK	0x00000010UL
-/* Recv length fifo empty */
-#define XEM_EIR_RECV_LFIFO_EMPTY_MASK	0x00000020UL
-/* Xmit length fifo full */
-#define XEM_EIR_XMIT_LFIFO_FULL_MASK	0x00000040UL
-/* Recv length fifo overrun */
-#define XEM_EIR_RECV_LFIFO_OVER_MASK	0x00000080UL
-/* Recv length fifo underrun */
-#define XEM_EIR_RECV_LFIFO_UNDER_MASK	0x00000100UL
-/* Xmit status fifo overrun */
-#define XEM_EIR_XMIT_SFIFO_OVER_MASK	0x00000200UL
-/* Transmit status fifo underrun */
-#define XEM_EIR_XMIT_SFIFO_UNDER_MASK	0x00000400UL
-/* Transmit length fifo overrun */
-#define XEM_EIR_XMIT_LFIFO_OVER_MASK	0x00000800UL
-/* Transmit length fifo underrun */
-#define XEM_EIR_XMIT_LFIFO_UNDER_MASK	0x00001000UL
-/* Transmit pause pkt received */
-#define XEM_EIR_XMIT_PAUSE_MASK		0x00002000UL
-
-/*
- * EMAC Control Register (ECR)
- */
-/* Full duplex mode */
-#define XEM_ECR_FULL_DUPLEX_MASK	 0x80000000UL
-/* Reset transmitter */
-#define XEM_ECR_XMIT_RESET_MASK		 0x40000000UL
-/* Enable transmitter */
-#define XEM_ECR_XMIT_ENABLE_MASK	 0x20000000UL
-/* Reset receiver */
-#define XEM_ECR_RECV_RESET_MASK		 0x10000000UL
-/* Enable receiver */
-#define XEM_ECR_RECV_ENABLE_MASK	 0x08000000UL
-/* Enable PHY */
-#define XEM_ECR_PHY_ENABLE_MASK		 0x04000000UL
-/* Enable xmit pad insert */
-#define XEM_ECR_XMIT_PAD_ENABLE_MASK	 0x02000000UL
-/* Enable xmit FCS insert */
-#define XEM_ECR_XMIT_FCS_ENABLE_MASK	 0x01000000UL
-/* Enable unicast addr */
-#define XEM_ECR_UNICAST_ENABLE_MASK	 0x00020000UL
-/* Enable broadcast addr */
-#define XEM_ECR_BROAD_ENABLE_MASK	 0x00008000UL
-
-/*
- * Transmit Status Register (TSR)
- */
-/* Transmit excess deferral */
-#define XEM_TSR_EXCESS_DEFERRAL_MASK	0x80000000UL
-/* Transmit late collision */
-#define XEM_TSR_LATE_COLLISION_MASK	0x01000000UL

drivers/net/xilinx_emaclite.c

@@ -1,376 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal SIMEK <monstr@monstr.eu>
- *
- * 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 <net.h>
-#include <config.h>
-#include <asm/io.h>
-
-#ifdef XILINX_EMACLITE_BASEADDR
-
-#undef DEBUG
-
-#define ENET_MAX_MTU		PKTSIZE
-#define ENET_MAX_MTU_ALIGNED	PKTSIZE_ALIGN
-#define ENET_ADDR_LENGTH	6
-
-/* EmacLite constants */
-#define XEL_BUFFER_OFFSET	0x0800	/* Next buffer's offset */
-#define XEL_TPLR_OFFSET		0x07F4	/* Tx packet length */
-#define XEL_TSR_OFFSET		0x07FC	/* Tx status */
-#define XEL_RSR_OFFSET		0x17FC	/* Rx status */
-#define XEL_RXBUFF_OFFSET	0x1000	/* Receive Buffer */
-
-/* Xmit complete */
-#define XEL_TSR_XMIT_BUSY_MASK		0x00000001UL
-/* Xmit interrupt enable bit */
-#define XEL_TSR_XMIT_IE_MASK		0x00000008UL
-/* Buffer is active, SW bit only */
-#define XEL_TSR_XMIT_ACTIVE_MASK	0x80000000UL
-/* Program the MAC address */
-#define XEL_TSR_PROGRAM_MASK		0x00000002UL
-/* define for programming the MAC address into the EMAC Lite */
-#define XEL_TSR_PROG_MAC_ADDR	(XEL_TSR_XMIT_BUSY_MASK | XEL_TSR_PROGRAM_MASK)
-
-/* Transmit packet length upper byte */
-#define XEL_TPLR_LENGTH_MASK_HI		0x0000FF00UL
-/* Transmit packet length lower byte */
-#define XEL_TPLR_LENGTH_MASK_LO		0x000000FFUL
-
-/* Recv complete */
-#define XEL_RSR_RECV_DONE_MASK		0x00000001UL
-/* Recv interrupt enable bit */
-#define XEL_RSR_RECV_IE_MASK		0x00000008UL
-
-typedef struct {
-	unsigned int baseaddress;	/* Base address for device (IPIF) */
-	unsigned int nexttxbuffertouse;	/* Next TX buffer to write to */
-	unsigned int nextrxbuffertouse;	/* Next RX buffer to read from */
-	unsigned char deviceid;		/* Unique ID of device - for future */
-} xemaclite;
-
-static xemaclite emaclite;
-
-static char etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */
-
-/* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/
-#ifdef CFG_ENV_IS_NOWHERE
-static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };
-#endif
-
-void xemaclite_alignedread (u32 * srcptr, void *destptr, unsigned bytecount)
-{
-	unsigned int i;
-	u32 alignbuffer;
-	u32 *to32ptr;
-	u32 *from32ptr;
-	u8 *to8ptr;
-	u8 *from8ptr;
-
-	from32ptr = (u32 *) srcptr;
-
-	/* Word aligned buffer, no correction needed. */
-	to32ptr = (u32 *) destptr;
-	while (bytecount > 3) {
-		*to32ptr++ = *from32ptr++;
-		bytecount -= 4;
-	}
-	to8ptr = (u8 *) to32ptr;
-
-	alignbuffer = *from32ptr++;
-	from8ptr = (u8 *) & alignbuffer;
-
-	for (i = 0; i < bytecount; i++) {
-		*to8ptr++ = *from8ptr++;
-	}
-}
-
-void xemaclite_alignedwrite (void *srcptr, u32 destptr, unsigned bytecount)
-{
-	unsigned i;
-	u32 alignbuffer;
-	u32 *to32ptr = (u32 *) destptr;
-	u32 *from32ptr;
-	u8 *to8ptr;
-	u8 *from8ptr;
-
-	from32ptr = (u32 *) srcptr;
-	while (bytecount > 3) {
-
-		*to32ptr++ = *from32ptr++;
-		bytecount -= 4;
-	}
-
-	alignbuffer = 0;
-	to8ptr = (u8 *) & alignbuffer;
-	from8ptr = (u8 *) from32ptr;
-
-	for (i = 0; i < bytecount; i++) {
-		*to8ptr++ = *from8ptr++;
-	}
-
-	*to32ptr++ = alignbuffer;
-}
-
-void eth_halt (void)
-{
-#ifdef DEBUG
-	puts ("eth_halt\n");
-#endif
-}
-
-int eth_init (bd_t * bis)
-{
-#ifdef DEBUG
-	puts ("EmacLite Initialization Started\n");
-#endif
-	memset (&emaclite, 0, sizeof (xemaclite));
-	emaclite.baseaddress = XILINX_EMACLITE_BASEADDR;
-
-	if (!getenv("ethaddr")) {
-		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH);
-	}
-
-/*
- * TX - TX_PING & TX_PONG initialization
- */
-	/* Restart PING TX */
-	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);
-	/* Copy MAC address */
-	xemaclite_alignedwrite (bis->bi_enetaddr,
-		emaclite.baseaddress, ENET_ADDR_LENGTH);
-	/* Set the length */
-	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
-	/* Update the MAC address in the EMAC Lite */
-	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR);
-	/* Wait for EMAC Lite to finish with the MAC address update */
-	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET) &
-		XEL_TSR_PROG_MAC_ADDR) != 0) ;
-
-#ifdef XILINX_EMACLITE_TX_PING_PONG
-	/* The same operation with PONG TX */
-	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0);
-	xemaclite_alignedwrite (bis->bi_enetaddr, emaclite.baseaddress +
-		XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH);
-	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);
-	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET,
-		XEL_TSR_PROG_MAC_ADDR);
-	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +
-		 XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ;
-#endif
-
-/*
- * RX - RX_PING & RX_PONG initialization
- */
-	/* Write out the value to flush the RX buffer */
-	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK);
-#ifdef XILINX_EMACLITE_RX_PING_PONG
-	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET,
-		XEL_RSR_RECV_IE_MASK);
-#endif
-
-#ifdef DEBUG
-	puts ("EmacLite Initialization complete\n");
-#endif
-	return 0;
-}
-
-int xemaclite_txbufferavailable (xemaclite * instanceptr)
-{
-	u32 reg;
-	u32 txpingbusy;
-	u32 txpongbusy;
-	/*
-	 * Read the other buffer register
-	 * and determine if the other buffer is available
-	 */
-	reg = in_be32 (instanceptr->baseaddress +
-			instanceptr->nexttxbuffertouse + 0);
-	txpingbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==
-			XEL_TSR_XMIT_BUSY_MASK);
-
-	reg = in_be32 (instanceptr->baseaddress +
-			(instanceptr->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0);
-	txpongbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==
-			XEL_TSR_XMIT_BUSY_MASK);
-
-	return (!(txpingbusy && txpongbusy));
-}
-
-int eth_send (volatile void *ptr, int len) {
-
-	unsigned int reg;
-	unsigned int baseaddress;
-
-	unsigned maxtry = 1000;
-
-	if (len > ENET_MAX_MTU)
-		len = ENET_MAX_MTU;
-
-	while (!xemaclite_txbufferavailable (&emaclite) && maxtry) {
-		udelay (10);
-		maxtry--;
-	}
-
-	if (!maxtry) {
-		printf ("Error: Timeout waiting for ethernet TX buffer\n");
-		/* Restart PING TX */
-		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);
-#ifdef XILINX_EMACLITE_TX_PING_PONG
-		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +
-		XEL_BUFFER_OFFSET, 0);
-#endif
-		return 0;
-	}
-
-	/* Determine the expected TX buffer address */
-	baseaddress = (emaclite.baseaddress + emaclite.nexttxbuffertouse);
-
-	/* Determine if the expected buffer address is empty */
-	reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0)
-		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)
-			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
-
-#ifdef XILINX_EMACLITE_TX_PING_PONG
-		emaclite.nexttxbuffertouse ^= XEL_BUFFER_OFFSET;
-#endif
-#ifdef DEBUG
-		printf ("Send packet from 0x%x\n", baseaddress);
-#endif
-		/* Write the frame to the buffer */
-		xemaclite_alignedwrite ((void *) ptr, baseaddress, len);
-		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len &
-			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO)));
-		reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-		reg |= XEL_TSR_XMIT_BUSY_MASK;
-		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) {
-			reg |= XEL_TSR_XMIT_ACTIVE_MASK;
-		}
-		out_be32 (baseaddress + XEL_TSR_OFFSET, reg);
-		return 1;
-	}
-#ifdef XILINX_EMACLITE_TX_PING_PONG
-	/* Switch to second buffer */
-	baseaddress ^= XEL_BUFFER_OFFSET;
-	/* Determine if the expected buffer address is empty */
-	reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0)
-		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)
-			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {
-#ifdef DEBUG
-		printf ("Send packet from 0x%x\n", baseaddress);
-#endif
-		/* Write the frame to the buffer */
-		xemaclite_alignedwrite ((void *) ptr, baseaddress, len);
-		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len &
-			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO)));
-		reg = in_be32 (baseaddress + XEL_TSR_OFFSET);
-		reg |= XEL_TSR_XMIT_BUSY_MASK;
-		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) {
-			reg |= XEL_TSR_XMIT_ACTIVE_MASK;
-		}
-		out_be32 (baseaddress + XEL_TSR_OFFSET, reg);
-		return 1;
-	}
-#endif
-	puts ("Error while sending frame\n");
-	return 0;
-}
-
-int eth_rx (void)
-{
-	unsigned int length;
-	unsigned int reg;
-	unsigned int baseaddress;
-
-	baseaddress = emaclite.baseaddress + emaclite.nextrxbuffertouse;
-	reg = in_be32 (baseaddress + XEL_RSR_OFFSET);
-#ifdef DEBUG
-	printf ("Testing data at address 0x%x\n", baseaddress);
-#endif
-	if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {
-#ifdef XILINX_EMACLITE_RX_PING_PONG
-		emaclite.nextrxbuffertouse ^= XEL_BUFFER_OFFSET;
-#endif
-	} else {
-#ifndef XILINX_EMACLITE_RX_PING_PONG
-#ifdef DEBUG
-		printf ("No data was available - address 0x%x\n", baseaddress);
-#endif
-		return 0;
-#else
-		baseaddress ^= XEL_BUFFER_OFFSET;
-		reg = in_be32 (baseaddress + XEL_RSR_OFFSET);
-		if ((reg & XEL_RSR_RECV_DONE_MASK) !=
-					XEL_RSR_RECV_DONE_MASK) {
-#ifdef DEBUG
-			printf ("No data was available - address 0x%x\n",
-					baseaddress);
-#endif
-			return 0;
-		}
-#endif
-	}
-	/* Get the length of the frame that arrived */
-	switch(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0xC)) &
-			0xFFFF0000 ) >> 16) {
-		case 0x806:
-			length = 42 + 20; /* FIXME size of ARP */
-#ifdef DEBUG
-			puts ("ARP Packet\n");
-#endif
-			break;
-		case 0x800:
-			length = 14 + 14 +
-			(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0x10)) &
-			0xFFFF0000) >> 16); /* FIXME size of IP packet */
-#ifdef DEBUG
-			puts("IP Packet\n");
-#endif
-			break;
-		default:
-#ifdef DEBUG
-			puts("Other Packet\n");
-#endif
-			length = ENET_MAX_MTU;
-			break;
-	}
-
-	xemaclite_alignedread ((u32 *) (baseaddress + XEL_RXBUFF_OFFSET),
-			etherrxbuff, length);
-
-	/* Acknowledge the frame */
-	reg = in_be32 (baseaddress + XEL_RSR_OFFSET);
-	reg &= ~XEL_RSR_RECV_DONE_MASK;
-	out_be32 (baseaddress + XEL_RSR_OFFSET, reg);
-
-#ifdef DEBUG
-	printf ("Packet receive from 0x%x, length %dB\n", baseaddress, length);
-#endif
-	NetReceive ((uchar *) etherrxbuff, length);
-	return 1;
-
-}
-#endif

fs/romfs/Makefile

@@ -1,49 +0,0 @@
-#
-# (C) Copyright 2000-2006
-# 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 $(TOPDIR)/config.mk
-
-LIB	= $(obj)libromfs.a
-
-AOBJS	=
-COBJS	= romfs.o
-
-SRCS	:= $(AOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(AOBJS) $(COBJS))
-
-#CPPFLAGS +=
-
-all:	$(LIB) $(AOBJS)
-
-$(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
-
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################

fs/romfs/romfs.c

@@ -1,240 +0,0 @@
-/*
- * (C) Copyright 2007 Michal Simek
- *
- * Michal SIMEK <monstr@monstr.eu>
- *
- * 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 <malloc.h>
-#include <command.h>
-
-#if defined(CONFIG_CMD_JFFS2)
-
-#include <asm/byteorder.h>
-#include <linux/stat.h>
-#include <jffs2/jffs2.h>
-#include <jffs2/load_kernel.h>
-
-#undef DEBUG_ROMFS
-
-/* ROMFS superblock */
-struct romfs_super {
-	u32 word0;
-	u32 word1;
-	u32 size;
-	u32 checksum;
-	char name[0];
-};
-
-struct romfs_inode {
-	u32 next;
-	u32 spec;
-	u32 size;
-	u32 checksum;
-	char name[0];
-};
-
-extern flash_info_t flash_info[];
-#define PART_OFFSET(x)	(x->offset + flash_info[x->dev->id->num].start[0])
-#define ALIGN(x)	(((x) & 0xfffffff0))
-#define HEADERSIZE(name)	(0x20 + ALIGN(strlen(name)))
-
-static unsigned long romfs_resolve (unsigned long begin, unsigned long offset,
-				unsigned long size, int raw, char *filename)
-{
-	unsigned long inodeoffset = 0, nextoffset;
-	struct romfs_inode *inode;
-#ifdef DEBUG_ROMFS
-	printf ("ROMFS_resolve: begin 0x%x, offset 0x%x, size 0x%x, raw 0x%x, \
-		filename %s\n", begin, offset, size, raw, filename);
-#endif
-
-	while (inodeoffset < size) {
-		inode = (struct romfs_inode *)(begin + offset + inodeoffset);
-		offset = 0;
-		nextoffset = ALIGN (inode->next);
-#ifdef DEBUG_ROMFS
-		printf("inode 0x%x, name %s - len 0x%x, next inode 0x%x, \
-			compare names 0x%x\n",
-			inode, inode->name, strlen (inode->name), nextoffset,
-			strncmp (filename, inode->name, strlen (filename)));
-#endif
-		if (!strncmp (filename, inode->name, strlen (inode->name))) {
-			char *p = strtok (NULL, "/");
-			if (raw && (p == NULL || *p == '\0')) {
-				return offset + inodeoffset;
-			}
-			return romfs_resolve (begin,
-					inodeoffset + HEADERSIZE (inode->name),
-					size, raw, p);
-		}
-		inodeoffset = nextoffset;
-	}
-
-	printf ("can't find corresponding entry\n");
-	return 0;
-}
-
-int romfs_load (char *loadoffset, struct part_info *info, char *filename)
-{
-	struct romfs_inode *inode;
-	struct romfs_super *sb;
-	char *data;
-	int pocet;
-	sb = (struct romfs_super *) PART_OFFSET (info);
-
-	unsigned long offset;
-
-	offset = romfs_resolve (PART_OFFSET (info), HEADERSIZE (sb->name),
-				sb->size, 1, strtok (filename, "/"));
-	if (offset <= 0)
-		return offset;
-
-	inode = (struct romfs_inode *)(PART_OFFSET (info) + offset);
-	data = (char *)((int)inode + HEADERSIZE (inode->name));
-	pocet = inode->size;
-	while (pocet--) {
-		*loadoffset++ = *data++;
-	}
-	return inode->size;
-}
-
-static int romfs_list_inode (struct part_info *info, unsigned long offset)
-{
-	struct romfs_inode *inode =
-			(struct romfs_inode *)(PART_OFFSET (info) + offset);
-	struct romfs_inode *hardlink = NULL;
-	char str[3], *data;
-
-/*
- *	mapping		spec.info means
- * 0	hard link	link destination [file header]
- * 1	directory	first file's header
- * 2	regular file	unused, must be zero [MBZ]
- * 3	symbolic link	unused, MBZ (file data is the link content)
- * 4	block device	16/16 bits major/minor number
- * 5	char device		- " -
- * 6	socket		unused, MBZ
- * 7	fifo		unused, MBZ
- */
-	char attributes[] = "hdflbcsp";
-	str[0] = attributes[inode->next & 0x7];
-	str[1] = (inode->next & 0x8) ? 'x' : '-';
-	str[2] = '\0';
-
-	if ((str[0] == 'b') || (str[0] == 'c')) {
-#ifdef DEBUG_ROMFS
-		printf (" %s  %3d,%3d %12s 0x%08x 0x%08x", str,
-			(inode->spec & 0xffff0000) >> 16,
-			inode->spec & 0x0000ffff, inode->name, inode,
-			inode->spec);
-#else
-		printf (" %s  %3d,%3d %12s", str,
-			(inode->spec & 0xffff0000) >> 16,
-			inode->spec & 0x0000ffff);
-#endif
-	} else {
-#ifdef DEBUG_ROMFS
-		printf (" %s  %7d %12s 0x%08x 0x%08x", str, inode->size,
-			inode->name, inode, inode->spec);
-#else
-		printf (" %s  %7d %12s", str, inode->size, inode->name);
-#endif
-		if (str[0] == 'l') {
-			data = (char *)((int)inode + HEADERSIZE (inode->name));
-			puts (" -> ");
-			puts (data);
-		}
-		if (str[0] == 'h') {
-			hardlink = (struct romfs_inode *)(PART_OFFSET (info) +
-						inode->spec);
-			puts (" -> ");
-			puts (hardlink->name);
-		}
-	}
-	puts ("\n");
-	return ALIGN (inode->next);
-}
-
-int romfs_ls (struct part_info *info, char *filename)
-{
-	struct romfs_inode *inode;
-	unsigned long inodeoffset = 0, nextoffset;
-	unsigned long offset, size;
-	struct romfs_super *sb;
-	sb = (struct romfs_super *)PART_OFFSET (info);
-
-	if (strlen (filename) == 0 || !strcmp (filename, "/")) {
-		offset = HEADERSIZE (sb->name);
-		size = sb->size;
-	} else {
-		offset = romfs_resolve (PART_OFFSET (info),
-			HEADERSIZE (sb->name), sb->size, 1,
-			strtok (filename, "/"));
-
-		if (offset == 0) {
-			return offset;
-		}
-		inode = (struct romfs_inode *)(PART_OFFSET (info) + offset);
-		if ((inode->next & 0x7) != 1) {
-			return (romfs_list_inode (info, offset) > 0);
-		}
-
-		size = sb->size;
-		offset = offset + HEADERSIZE (inode->name);
-	}
-
-	inodeoffset = offset + inodeoffset;
-	while (inodeoffset < size) {
-		nextoffset = romfs_list_inode (info, inodeoffset);
-		if (nextoffset == 0)
-			break;
-		inodeoffset = nextoffset;
-	}
-	return 1;
-}
-
-int romfs_info (struct part_info *info)
-{
-	struct romfs_super *sb;
-	sb = (struct romfs_super *)PART_OFFSET (info);
-
-	printf ("name: \t\t%s, len %d B\n", sb->name, strlen (sb->name));
-	printf ("size of SB:\t%d B\n", HEADERSIZE (sb->name));
-	printf ("full size:\t%d B\n", sb->size);
-	printf ("checksum:\t0x%x\n", sb->checksum);
-	return 0;
-}
-
-int romfs_check (struct part_info *info)
-{
-	struct romfs_super *sb;
-	if (info->dev->id->type != MTD_DEV_TYPE_NOR)
-		return 0;
-
-	sb = (struct romfs_super *)PART_OFFSET (info);
-	if ((sb->word0 != 0x2D726F6D) || (sb->word1 != 0x3166732D)) {
-		return 0;
-	}
-	return 1;
-}
-
-#endif