drivers/net : move net drivers to drivers/net

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 547 deletions

diff --git a/drivers/rtl8139.c b/drivers/rtl8139.c
deleted file mode 100644
index 2367180..0000000
--- a/drivers/rtl8139.c
+++ /dev/null
@@ -1,547 +0,0 @@
-/*
- * rtl8139.c : U-Boot driver for the RealTek RTL8139
- *
- * Masami Komiya (mkomiya@sonare.it)
- *
- * Most part is taken from rtl8139.c of etherboot
- *
- */
-
-/* rtl8139.c - etherboot driver for the Realtek 8139 chipset
-
-  ported from the linux driver written by Donald Becker
-  by Rainer Bawidamann (Rainer.Bawidamann@informatik.uni-ulm.de) 1999
-
-  This software may be used and distributed according to the terms
-  of the GNU Public License, incorporated herein by reference.
-
-  changes to the original driver:
-  - removed support for interrupts, switching to polling mode (yuck!)
-  - removed support for the 8129 chip (external MII)
-
-*/
-
-/*********************************************************************/
-/* Revision History						     */
-/*********************************************************************/
-
-/*
-  28 Dec 2002	ken_yap@users.sourceforge.net (Ken Yap)
-     Put in virt_to_bus calls to allow Etherboot relocation.
-
-  06 Apr 2001	ken_yap@users.sourceforge.net (Ken Yap)
-     Following email from Hyun-Joon Cha, added a disable routine, otherwise
-     NIC remains live and can crash the kernel later.
-
-  4 Feb 2000	espenlaub@informatik.uni-ulm.de (Klaus Espenlaub)
-     Shuffled things around, removed the leftovers from the 8129 support
-     that was in the Linux driver and added a bit more 8139 definitions.
-     Moved the 8K receive buffer to a fixed, available address outside the
-     0x98000-0x9ffff range.  This is a bit of a hack, but currently the only
-     way to make room for the Etherboot features that need substantial amounts
-     of code like the ANSI console support.  Currently the buffer is just below
-     0x10000, so this even conforms to the tagged boot image specification,
-     which reserves the ranges 0x00000-0x10000 and 0x98000-0xA0000.  My
-     interpretation of this "reserved" is that Etherboot may do whatever it
-     likes, as long as its environment is kept intact (like the BIOS
-     variables).  Hopefully fixed rtl_poll() once and for all.	The symptoms
-     were that if Etherboot was left at the boot menu for several minutes, the
-     first eth_poll failed.  Seems like I am the only person who does this.
-     First of all I fixed the debugging code and then set out for a long bug
-     hunting session.  It took me about a week full time work - poking around
-     various places in the driver, reading Don Becker's and Jeff Garzik's Linux
-     driver and even the FreeBSD driver (what a piece of crap!) - and
-     eventually spotted the nasty thing: the transmit routine was acknowledging
-     each and every interrupt pending, including the RxOverrun and RxFIFIOver
-     interrupts.  This confused the RTL8139 thoroughly.	 It destroyed the
-     Rx ring contents by dumping the 2K FIFO contents right where we wanted to
-     get the next packet.  Oh well, what fun.
-
-  18 Jan 2000	mdc@thinguin.org (Marty Connor)
-     Drastically simplified error handling.  Basically, if any error
-     in transmission or reception occurs, the card is reset.
-     Also, pointed all transmit descriptors to the same buffer to
-     save buffer space.	 This should decrease driver size and avoid
-     corruption because of exceeding 32K during runtime.
-
-  28 Jul 1999	(Matthias Meixner - meixner@rbg.informatik.tu-darmstadt.de)
-     rtl_poll was quite broken: it used the RxOK interrupt flag instead
-     of the RxBufferEmpty flag which often resulted in very bad
-     transmission performace - below 1kBytes/s.
-
-*/
-
-#include <common.h>
-#include <malloc.h>
-#include <net.h>
-#include <asm/io.h>
-#include <pci.h>
-
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
-	defined(CONFIG_RTL8139)
-
-#define TICKS_PER_SEC	CFG_HZ
-#define TICKS_PER_MS	(TICKS_PER_SEC/1000)
-
-#define RTL_TIMEOUT	(1*TICKS_PER_SEC)
-
-#define ETH_FRAME_LEN		1514
-#define ETH_ALEN		6
-#define ETH_ZLEN		60
-
-/* PCI Tuning Parameters
-   Threshold is bytes transferred to chip before transmission starts. */
-#define TX_FIFO_THRESH 256	/* In bytes, rounded down to 32 byte units. */
-#define RX_FIFO_THRESH	4	/* Rx buffer level before first PCI xfer.  */
-#define RX_DMA_BURST	4	/* Maximum PCI burst, '4' is 256 bytes */
-#define TX_DMA_BURST	4	/* Calculate as 16<<val. */
-#define NUM_TX_DESC	4	/* Number of Tx descriptor registers. */
-#define TX_BUF_SIZE	ETH_FRAME_LEN	/* FCS is added by the chip */
-#define RX_BUF_LEN_IDX 0	/* 0, 1, 2 is allowed - 8,16,32K rx buffer */
-#define RX_BUF_LEN (8192 << RX_BUF_LEN_IDX)
-
-#undef DEBUG_TX
-#undef DEBUG_RX
-
-#define currticks()	get_timer(0)
-#define bus_to_phys(a)	pci_mem_to_phys((pci_dev_t)dev->priv, a)
-#define phys_to_bus(a)	pci_phys_to_mem((pci_dev_t)dev->priv, a)
-
-/* Symbolic offsets to registers. */
-enum RTL8139_registers {
-	MAC0=0,			/* Ethernet hardware address. */
-	MAR0=8,			/* Multicast filter. */
-	TxStatus0=0x10,		/* Transmit status (four 32bit registers). */
-	TxAddr0=0x20,		/* Tx descriptors (also four 32bit). */
-	RxBuf=0x30, RxEarlyCnt=0x34, RxEarlyStatus=0x36,
-	ChipCmd=0x37, RxBufPtr=0x38, RxBufAddr=0x3A,
-	IntrMask=0x3C, IntrStatus=0x3E,
-	TxConfig=0x40, RxConfig=0x44,
-	Timer=0x48,		/* general-purpose counter. */
-	RxMissed=0x4C,		/* 24 bits valid, write clears. */
-	Cfg9346=0x50, Config0=0x51, Config1=0x52,
-	TimerIntrReg=0x54,	/* intr if gp counter reaches this value */
-	MediaStatus=0x58,
-	Config3=0x59,
-	MultiIntr=0x5C,
-	RevisionID=0x5E,	/* revision of the RTL8139 chip */
-	TxSummary=0x60,
-	MII_BMCR=0x62, MII_BMSR=0x64, NWayAdvert=0x66, NWayLPAR=0x68,
-	NWayExpansion=0x6A,
-	DisconnectCnt=0x6C, FalseCarrierCnt=0x6E,
-	NWayTestReg=0x70,
-	RxCnt=0x72,		/* packet received counter */
-	CSCR=0x74,		/* chip status and configuration register */
-	PhyParm1=0x78,TwisterParm=0x7c,PhyParm2=0x80,	/* undocumented */
-	/* from 0x84 onwards are a number of power management/wakeup frame
-	 * definitions we will probably never need to know about.  */
-};
-
-enum ChipCmdBits {
-	CmdReset=0x10, CmdRxEnb=0x08, CmdTxEnb=0x04, RxBufEmpty=0x01, };
-
-/* Interrupt register bits, using my own meaningful names. */
-enum IntrStatusBits {
-	PCIErr=0x8000, PCSTimeout=0x4000, CableLenChange= 0x2000,
-	RxFIFOOver=0x40, RxUnderrun=0x20, RxOverflow=0x10,
-	TxErr=0x08, TxOK=0x04, RxErr=0x02, RxOK=0x01,
-};
-enum TxStatusBits {
-	TxHostOwns=0x2000, TxUnderrun=0x4000, TxStatOK=0x8000,
-	TxOutOfWindow=0x20000000, TxAborted=0x40000000,
-	TxCarrierLost=0x80000000,
-};
-enum RxStatusBits {
-	RxMulticast=0x8000, RxPhysical=0x4000, RxBroadcast=0x2000,
-	RxBadSymbol=0x0020, RxRunt=0x0010, RxTooLong=0x0008, RxCRCErr=0x0004,
-	RxBadAlign=0x0002, RxStatusOK=0x0001,
-};
-
-enum MediaStatusBits {
-	MSRTxFlowEnable=0x80, MSRRxFlowEnable=0x40, MSRSpeed10=0x08,
-	MSRLinkFail=0x04, MSRRxPauseFlag=0x02, MSRTxPauseFlag=0x01,
-};
-
-enum MIIBMCRBits {
-	BMCRReset=0x8000, BMCRSpeed100=0x2000, BMCRNWayEnable=0x1000,
-	BMCRRestartNWay=0x0200, BMCRDuplex=0x0100,
-};
-
-enum CSCRBits {
-	CSCR_LinkOKBit=0x0400, CSCR_LinkChangeBit=0x0800,
-	CSCR_LinkStatusBits=0x0f000, CSCR_LinkDownOffCmd=0x003c0,
-	CSCR_LinkDownCmd=0x0f3c0,
-};
-
-/* Bits in RxConfig. */
-enum rx_mode_bits {
-	RxCfgWrap=0x80,
-	AcceptErr=0x20, AcceptRunt=0x10, AcceptBroadcast=0x08,
-	AcceptMulticast=0x04, AcceptMyPhys=0x02, AcceptAllPhys=0x01,
-};
-
-static int ioaddr;
-static unsigned int cur_rx,cur_tx;
-
-/* The RTL8139 can only transmit from a contiguous, aligned memory block.  */
-static unsigned char tx_buffer[TX_BUF_SIZE] __attribute__((aligned(4)));
-static unsigned char rx_ring[RX_BUF_LEN+16] __attribute__((aligned(4)));
-
-static int rtl8139_probe(struct eth_device *dev, bd_t *bis);
-static int read_eeprom(int location, int addr_len);
-static void rtl_reset(struct eth_device *dev);
-static int rtl_transmit(struct eth_device *dev, volatile void *packet, int length);
-static int rtl_poll(struct eth_device *dev);
-static void rtl_disable(struct eth_device *dev);
-#ifdef CONFIG_MCAST_TFTP/*  This driver already accepts all b/mcast */
-static int rtl_bcast_addr (struct eth_device *dev, u8 bcast_mac, u8 set)
-{
-	return (0);
-}
-#endif
-
-static struct pci_device_id supported[] = {
-       {PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139},
-       {PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_8139},
-       {}
-};
-
-int rtl8139_initialize(bd_t *bis)
-{
-	pci_dev_t devno;
-	int card_number = 0;
-	struct eth_device *dev;
-	u32 iobase;
-	int idx=0;
-
-	while(1){
-		/* Find RTL8139 */
-		if ((devno = pci_find_devices(supported, idx++)) < 0)
-			break;
-
-		pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase);
-		iobase &= ~0xf;
-
-		debug ("rtl8139: REALTEK RTL8139 @0x%x\n", iobase);
-
-		dev = (struct eth_device *)malloc(sizeof *dev);
-
-		sprintf (dev->name, "RTL8139#%d", card_number);
-
-		dev->priv = (void *) devno;
-		dev->iobase = (int)bus_to_phys(iobase);
-		dev->init = rtl8139_probe;
-		dev->halt = rtl_disable;
-		dev->send = rtl_transmit;
-		dev->recv = rtl_poll;
-#ifdef CONFIG_MCAST_TFTP
-		dev->mcast = rtl_bcast_addr;
-#endif
-
-		eth_register (dev);
-
-		card_number++;
-
-		pci_write_config_byte (devno, PCI_LATENCY_TIMER, 0x20);
-
-		udelay (10 * 1000);
-	}
-
-	return card_number;
-}
-
-static int rtl8139_probe(struct eth_device *dev, bd_t *bis)
-{
-	int i;
-	int speed10, fullduplex;
-	int addr_len;
-	unsigned short *ap = (unsigned short *)dev->enetaddr;
-
-	ioaddr = dev->iobase;
-
-	/* Bring the chip out of low-power mode. */
-	outb(0x00, ioaddr + Config1);
-
-	addr_len = read_eeprom(0,8) == 0x8129 ? 8 : 6;
-	for (i = 0; i < 3; i++)
-		*ap++ = le16_to_cpu (read_eeprom(i + 7, addr_len));
-
-	speed10 = inb(ioaddr + MediaStatus) & MSRSpeed10;
-	fullduplex = inw(ioaddr + MII_BMCR) & BMCRDuplex;
-
-	rtl_reset(dev);
-
-	if (inb(ioaddr + MediaStatus) & MSRLinkFail) {
-		printf("Cable not connected or other link failure\n");
-		return(0);
-	}
-
-	return 1;
-}
-
-/* Serial EEPROM section. */
-
-/*  EEPROM_Ctrl bits. */
-#define EE_SHIFT_CLK	0x04	/* EEPROM shift clock. */
-#define EE_CS		0x08	/* EEPROM chip select. */
-#define EE_DATA_WRITE	0x02	/* EEPROM chip data in. */
-#define EE_WRITE_0	0x00
-#define EE_WRITE_1	0x02
-#define EE_DATA_READ	0x01	/* EEPROM chip data out. */
-#define EE_ENB		(0x80 | EE_CS)
-
-/*
-	Delay between EEPROM clock transitions.
-	No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
-*/
-
-#define eeprom_delay()	inl(ee_addr)
-
-/* The EEPROM commands include the alway-set leading bit. */
-#define EE_WRITE_CMD	(5)
-#define EE_READ_CMD	(6)
-#define EE_ERASE_CMD	(7)
-
-static int read_eeprom(int location, int addr_len)
-{
-	int i;
-	unsigned int retval = 0;
-	long ee_addr = ioaddr + Cfg9346;
-	int read_cmd = location | (EE_READ_CMD << addr_len);
-
-	outb(EE_ENB & ~EE_CS, ee_addr);
-	outb(EE_ENB, ee_addr);
-	eeprom_delay();
-
-	/* Shift the read command bits out. */
-	for (i = 4 + addr_len; i >= 0; i--) {
-		int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
-		outb(EE_ENB | dataval, ee_addr);
-		eeprom_delay();
-		outb(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
-		eeprom_delay();
-	}
-	outb(EE_ENB, ee_addr);
-	eeprom_delay();
-
-	for (i = 16; i > 0; i--) {
-		outb(EE_ENB | EE_SHIFT_CLK, ee_addr);
-		eeprom_delay();
-		retval = (retval << 1) | ((inb(ee_addr) & EE_DATA_READ) ? 1 : 0);
-		outb(EE_ENB, ee_addr);
-		eeprom_delay();
-	}
-
-	/* Terminate the EEPROM access. */
-	outb(~EE_CS, ee_addr);
-	eeprom_delay();
-	return retval;
-}
-
-static const unsigned int rtl8139_rx_config =
-	(RX_BUF_LEN_IDX << 11) |
-	(RX_FIFO_THRESH << 13) |
-	(RX_DMA_BURST << 8);
-
-static void set_rx_mode(struct eth_device *dev) {
-	unsigned int mc_filter[2];
-	int rx_mode;
-	/* !IFF_PROMISC */
-	rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
-	mc_filter[1] = mc_filter[0] = 0xffffffff;
-
-	outl(rtl8139_rx_config | rx_mode, ioaddr + RxConfig);
-
-	outl(mc_filter[0], ioaddr + MAR0 + 0);
-	outl(mc_filter[1], ioaddr + MAR0 + 4);
-}
-
-static void rtl_reset(struct eth_device *dev)
-{
-	int i;
-
-	outb(CmdReset, ioaddr + ChipCmd);
-
-	cur_rx = 0;
-	cur_tx = 0;
-
-	/* Give the chip 10ms to finish the reset. */
-	for (i=0; i<100; ++i){
-		if ((inb(ioaddr + ChipCmd) & CmdReset) == 0) break;
-		udelay (100); /* wait 100us */
-	}
-
-
-	for (i = 0; i < ETH_ALEN; i++)
-		outb(dev->enetaddr[i], ioaddr + MAC0 + i);
-
-	/* Must enable Tx/Rx before setting transfer thresholds! */
-	outb(CmdRxEnb | CmdTxEnb, ioaddr + ChipCmd);
-	outl((RX_FIFO_THRESH<<13) | (RX_BUF_LEN_IDX<<11) | (RX_DMA_BURST<<8),
-		ioaddr + RxConfig);		/* accept no frames yet!  */
-	outl((TX_DMA_BURST<<8)|0x03000000, ioaddr + TxConfig);
-
-	/* The Linux driver changes Config1 here to use a different LED pattern
-	 * for half duplex or full/autodetect duplex (for full/autodetect, the
-	 * outputs are TX/RX, Link10/100, FULL, while for half duplex it uses
-	 * TX/RX, Link100, Link10).  This is messy, because it doesn't match
-	 * the inscription on the mounting bracket.  It should not be changed
-	 * from the configuration EEPROM default, because the card manufacturer
-	 * should have set that to match the card.  */
-
-#ifdef	DEBUG_RX
-	printf("rx ring address is %X\n",(unsigned long)rx_ring);
-#endif
-	outl(phys_to_bus((int)rx_ring), ioaddr + RxBuf);
-
-	/* If we add multicast support, the MAR0 register would have to be
-	 * initialized to 0xffffffffffffffff (two 32 bit accesses).  Etherboot
-	 * only needs broadcast (for ARP/RARP/BOOTP/DHCP) and unicast.	*/
-
-	outb(CmdRxEnb | CmdTxEnb, ioaddr + ChipCmd);
-
-	outl(rtl8139_rx_config, ioaddr + RxConfig);
-
-	/* Start the chip's Tx and Rx process. */
-	outl(0, ioaddr + RxMissed);
-
-	/* set_rx_mode */
-	set_rx_mode(dev);
-
-	/* Disable all known interrupts by setting the interrupt mask. */
-	outw(0, ioaddr + IntrMask);
-}
-
-static int rtl_transmit(struct eth_device *dev, volatile void *packet, int length)
-{
-	unsigned int status, to;
-	unsigned long txstatus;
-	unsigned int len = length;
-
-	ioaddr = dev->iobase;
-
-	memcpy((char *)tx_buffer, (char *)packet, (int)length);
-
-#ifdef	DEBUG_TX
-	printf("sending %d bytes\n", len);
-#endif
-
-	/* Note: RTL8139 doesn't auto-pad, send minimum payload (another 4
-	 * bytes are sent automatically for the FCS, totalling to 64 bytes). */
-	while (len < ETH_ZLEN) {
-		tx_buffer[len++] = '\0';
-	}
-
-	outl(phys_to_bus((int)tx_buffer), ioaddr + TxAddr0 + cur_tx*4);
-	outl(((TX_FIFO_THRESH<<11) & 0x003f0000) | len,
-		ioaddr + TxStatus0 + cur_tx*4);
-
-	to = currticks() + RTL_TIMEOUT;
-
-	do {
-		status = inw(ioaddr + IntrStatus);
-		/* Only acknlowledge interrupt sources we can properly handle
-		 * here - the RxOverflow/RxFIFOOver MUST be handled in the
-		 * rtl_poll() function.	 */
-		outw(status & (TxOK | TxErr | PCIErr), ioaddr + IntrStatus);
-		if ((status & (TxOK | TxErr | PCIErr)) != 0) break;
-	} while (currticks() < to);
-
-	txstatus = inl(ioaddr + TxStatus0 + cur_tx*4);
-
-	if (status & TxOK) {
-		cur_tx = (cur_tx + 1) % NUM_TX_DESC;
-#ifdef	DEBUG_TX
-		printf("tx done (%d ticks), status %hX txstatus %X\n",
-			to-currticks(), status, txstatus);
-#endif
-		return length;
-	} else {
-#ifdef	DEBUG_TX
-		printf("tx timeout/error (%d ticks), status %hX txstatus %X\n",
-			currticks()-to, status, txstatus);
-#endif
-		rtl_reset(dev);
-
-		return 0;
-	}
-}
-
-static int rtl_poll(struct eth_device *dev)
-{
-	unsigned int status;
-	unsigned int ring_offs;
-	unsigned int rx_size, rx_status;
-	int length=0;
-
-	ioaddr = dev->iobase;
-
-	if (inb(ioaddr + ChipCmd) & RxBufEmpty) {
-		return 0;
-	}
-
-	status = inw(ioaddr + IntrStatus);
-	/* See below for the rest of the interrupt acknowledges.  */
-	outw(status & ~(RxFIFOOver | RxOverflow | RxOK), ioaddr + IntrStatus);
-
-#ifdef	DEBUG_RX
-	printf("rtl_poll: int %hX ", status);
-#endif
-
-	ring_offs = cur_rx % RX_BUF_LEN;
-	rx_status = *(unsigned int*)KSEG1ADDR((rx_ring + ring_offs));
-	rx_size = rx_status >> 16;
-	rx_status &= 0xffff;
-
-	if ((rx_status & (RxBadSymbol|RxRunt|RxTooLong|RxCRCErr|RxBadAlign)) ||
-	    (rx_size < ETH_ZLEN) || (rx_size > ETH_FRAME_LEN + 4)) {
-		printf("rx error %hX\n", rx_status);
-		rtl_reset(dev); /* this clears all interrupts still pending */
-		return 0;
-	}
-
-	/* Received a good packet */
-	length = rx_size - 4;	/* no one cares about the FCS */
-	if (ring_offs+4+rx_size-4 > RX_BUF_LEN) {
-		int semi_count = RX_BUF_LEN - ring_offs - 4;
-		unsigned char rxdata[RX_BUF_LEN];
-
-		memcpy(rxdata, rx_ring + ring_offs + 4, semi_count);
-		memcpy(&(rxdata[semi_count]), rx_ring, rx_size-4-semi_count);
-
-		NetReceive(rxdata, length);
-#ifdef	DEBUG_RX
-		printf("rx packet %d+%d bytes", semi_count,rx_size-4-semi_count);
-#endif
-	} else {
-		NetReceive(rx_ring + ring_offs + 4, length);
-#ifdef	DEBUG_RX
-		printf("rx packet %d bytes", rx_size-4);
-#endif
-	}
-
-	cur_rx = (cur_rx + rx_size + 4 + 3) & ~3;
-	outw(cur_rx - 16, ioaddr + RxBufPtr);
-	/* See RTL8139 Programming Guide V0.1 for the official handling of
-	 * Rx overflow situations.  The document itself contains basically no
-	 * usable information, except for a few exception handling rules.  */
-	outw(status & (RxFIFOOver | RxOverflow | RxOK), ioaddr + IntrStatus);
-	return length;
-}
-
-static void rtl_disable(struct eth_device *dev)
-{
-	int i;
-
-	ioaddr = dev->iobase;
-
-	/* reset the chip */
-	outb(CmdReset, ioaddr + ChipCmd);
-
-	/* Give the chip 10ms to finish the reset. */
-	for (i=0; i<100; ++i){
-		if ((inb(ioaddr + ChipCmd) & CmdReset) == 0) break;
-		udelay (100); /* wait 100us */
-	}
-}
-#endif