[PATCH 08/10] net: Remove ns8382x driver

Tom Rini trini at konsulko.com
Thu Mar 31 19:46:51 CEST 2022


This driver is not enabled by any board and not converted to DM_ETH.
Remove.

Signed-off-by: Tom Rini <trini at konsulko.com>
---
 drivers/net/Makefile  |   1 -
 drivers/net/ns8382x.c | 854 ------------------------------------------
 2 files changed, 855 deletions(-)
 delete mode 100644 drivers/net/ns8382x.c

diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index f902f0d06c26..02b36582ce46 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -67,7 +67,6 @@ obj-$(CONFIG_MVPP2) += mvpp2.o
 obj-$(CONFIG_NETCONSOLE) += netconsole.o
 obj-$(CONFIG_NET_OCTEONTX) += octeontx/
 obj-$(CONFIG_NET_OCTEONTX2) += octeontx2/
-obj-$(CONFIG_NS8382X) += ns8382x.o
 obj-$(CONFIG_OCTEONTX2_CGX_INTF) += octeontx2/cgx_intf.o
 obj-$(CONFIG_OCTEONTX_SMI) += octeontx/smi.o
 obj-$(CONFIG_PCH_GBE) += pch_gbe.o
diff --git a/drivers/net/ns8382x.c b/drivers/net/ns8382x.c
deleted file mode 100644
index d79872af0936..000000000000
--- a/drivers/net/ns8382x.c
+++ /dev/null
@@ -1,854 +0,0 @@
-/*
-   ns8382x.c: A U-Boot driver for the NatSemi DP8382[01].
-   ported by: Mark A. Rakes (mark_rakes at vivato.net)
-
-   Adapted from:
-   1. an Etherboot driver for DP8381[56] written by:
-	   Copyright (C) 2001 Entity Cyber, Inc.
-
-	   This development of this Etherboot driver was funded by
-		  Sicom Systems: http://www.sicompos.com/
-
-	   Author: Marty Connor (mdc at thinguin.org)
-	   Adapted from a Linux driver which was written by Donald Becker
-
-	   This software may be used and distributed according to the terms
-	   of the GNU Public License (GPL), incorporated herein by reference.
-
-   2. A Linux driver by Donald Becker, ns820.c:
-		Written/copyright 1999-2002 by Donald Becker.
-
-		This software may be used and distributed according to the terms of
-		the GNU General Public License (GPL), incorporated herein by reference.
-		Drivers based on or derived from this code fall under the GPL and must
-		retain the authorship, copyright and license notice.  This file is not
-		a complete program and may only be used when the entire operating
-		system is licensed under the GPL.  License for under other terms may be
-		available.  Contact the original author for details.
-
-		The original author may be reached as becker at scyld.com, or at
-		Scyld Computing Corporation
-		410 Severn Ave., Suite 210
-		Annapolis MD 21403
-
-		Support information and updates available at
-		http://www.scyld.com/network/netsemi.html
-
-   Datasheets available from:
-   http://www.national.com/pf/DP/DP83820.html
-   http://www.national.com/pf/DP/DP83821.html
-*/
-
-/* Revision History
- * October 2002 mar	1.0
- *   Initial U-Boot Release.
- *	Tested with Netgear GA622T (83820)
- *	and SMC9452TX (83821)
- *	NOTE: custom boards with these chips may (likely) require
- *	a programmed EEPROM device (if present) in order to work
- *	correctly.
-*/
-
-/* Includes */
-#include <common.h>
-#include <log.h>
-#include <malloc.h>
-#include <net.h>
-#include <netdev.h>
-#include <asm/io.h>
-#include <pci.h>
-#include <linux/delay.h>
-
-/* defines */
-#define DSIZE     0x00000FFF
-#define CRC_SIZE  4
-#define TOUT_LOOP   500000
-#define TX_BUF_SIZE    1536
-#define RX_BUF_SIZE    1536
-#define NUM_RX_DESC    4	/* Number of Rx descriptor registers. */
-
-enum register_offsets {
-	ChipCmd = 0x00,
-	ChipConfig = 0x04,
-	EECtrl = 0x08,
-	IntrMask = 0x14,
-	IntrEnable = 0x18,
-	TxRingPtr = 0x20,
-	TxRingPtrHi = 0x24,
-	TxConfig = 0x28,
-	RxRingPtr = 0x30,
-	RxRingPtrHi = 0x34,
-	RxConfig = 0x38,
-	PriQueue = 0x3C,
-	RxFilterAddr = 0x48,
-	RxFilterData = 0x4C,
-	ClkRun = 0xCC,
-	PCIPM = 0x44,
-};
-
-enum ChipCmdBits {
-	ChipReset = 0x100,
-	RxReset = 0x20,
-	TxReset = 0x10,
-	RxOff = 0x08,
-	RxOn = 0x04,
-	TxOff = 0x02,
-	TxOn = 0x01
-};
-
-enum ChipConfigBits {
-	LinkSts = 0x80000000,
-	GigSpeed = 0x40000000,
-	HundSpeed = 0x20000000,
-	FullDuplex = 0x10000000,
-	TBIEn = 0x01000000,
-	Mode1000 = 0x00400000,
-	T64En = 0x00004000,
-	D64En = 0x00001000,
-	M64En = 0x00000800,
-	PhyRst = 0x00000400,
-	PhyDis = 0x00000200,
-	ExtStEn = 0x00000100,
-	BEMode = 0x00000001,
-};
-#define SpeedStatus_Polarity ( GigSpeed | HundSpeed | FullDuplex)
-
-enum TxConfig_bits {
-	TxDrthMask	= 0x000000ff,
-	TxFlthMask	= 0x0000ff00,
-	TxMxdmaMask	= 0x00700000,
-	TxMxdma_8	= 0x00100000,
-	TxMxdma_16	= 0x00200000,
-	TxMxdma_32	= 0x00300000,
-	TxMxdma_64	= 0x00400000,
-	TxMxdma_128	= 0x00500000,
-	TxMxdma_256	= 0x00600000,
-	TxMxdma_512	= 0x00700000,
-	TxMxdma_1024	= 0x00000000,
-	TxCollRetry	= 0x00800000,
-	TxAutoPad	= 0x10000000,
-	TxMacLoop	= 0x20000000,
-	TxHeartIgn	= 0x40000000,
-	TxCarrierIgn	= 0x80000000
-};
-
-enum RxConfig_bits {
-	RxDrthMask	= 0x0000003e,
-	RxMxdmaMask	= 0x00700000,
-	RxMxdma_8	= 0x00100000,
-	RxMxdma_16	= 0x00200000,
-	RxMxdma_32	= 0x00300000,
-	RxMxdma_64	= 0x00400000,
-	RxMxdma_128	= 0x00500000,
-	RxMxdma_256	= 0x00600000,
-	RxMxdma_512	= 0x00700000,
-	RxMxdma_1024	= 0x00000000,
-	RxAcceptLenErr	= 0x04000000,
-	RxAcceptLong	= 0x08000000,
-	RxAcceptTx	= 0x10000000,
-	RxStripCRC	= 0x20000000,
-	RxAcceptRunt	= 0x40000000,
-	RxAcceptErr	= 0x80000000,
-};
-
-/* Bits in the RxMode register. */
-enum rx_mode_bits {
-	RxFilterEnable		= 0x80000000,
-	AcceptAllBroadcast	= 0x40000000,
-	AcceptAllMulticast	= 0x20000000,
-	AcceptAllUnicast	= 0x10000000,
-	AcceptPerfectMatch	= 0x08000000,
-};
-
-typedef struct _BufferDesc {
-	u32 link;
-	u32 bufptr;
-	vu_long cmdsts;
-	u32 extsts;		/*not used here */
-} BufferDesc;
-
-/* Bits in network_desc.status */
-enum desc_status_bits {
-	DescOwn = 0x80000000, DescMore = 0x40000000, DescIntr = 0x20000000,
-	DescNoCRC = 0x10000000, DescPktOK = 0x08000000,
-	DescSizeMask = 0xfff,
-
-	DescTxAbort = 0x04000000, DescTxFIFO = 0x02000000,
-	DescTxCarrier = 0x01000000, DescTxDefer = 0x00800000,
-	DescTxExcDefer = 0x00400000, DescTxOOWCol = 0x00200000,
-	DescTxExcColl = 0x00100000, DescTxCollCount = 0x000f0000,
-
-	DescRxAbort = 0x04000000, DescRxOver = 0x02000000,
-	DescRxDest = 0x01800000, DescRxLong = 0x00400000,
-	DescRxRunt = 0x00200000, DescRxInvalid = 0x00100000,
-	DescRxCRC = 0x00080000, DescRxAlign = 0x00040000,
-	DescRxLoop = 0x00020000, DesRxColl = 0x00010000,
-};
-
-/* Bits in MEAR */
-enum mii_reg_bits {
-	MDIO_ShiftClk = 0x0040,
-	MDIO_EnbOutput = 0x0020,
-	MDIO_Data = 0x0010,
-};
-
-/* PHY Register offsets.  */
-enum phy_reg_offsets {
-	BMCR = 0x00,
-	BMSR = 0x01,
-	PHYIDR1 = 0x02,
-	PHYIDR2 = 0x03,
-	ANAR = 0x04,
-	KTCR = 0x09,
-};
-
-/* basic mode control register bits */
-enum bmcr_bits {
-	Bmcr_Reset = 0x8000,
-	Bmcr_Loop = 0x4000,
-	Bmcr_Speed0 = 0x2000,
-	Bmcr_AutoNegEn = 0x1000,	/*if set ignores Duplex, Speed[01] */
-	Bmcr_RstAutoNeg = 0x0200,
-	Bmcr_Duplex = 0x0100,
-	Bmcr_Speed1 = 0x0040,
-	Bmcr_Force10H = 0x0000,
-	Bmcr_Force10F = 0x0100,
-	Bmcr_Force100H = 0x2000,
-	Bmcr_Force100F = 0x2100,
-	Bmcr_Force1000H = 0x0040,
-	Bmcr_Force1000F = 0x0140,
-};
-
-/* auto negotiation advertisement register */
-enum anar_bits {
-	anar_adv_100F = 0x0100,
-	anar_adv_100H = 0x0080,
-	anar_adv_10F = 0x0040,
-	anar_adv_10H = 0x0020,
-	anar_ieee_8023 = 0x0001,
-};
-
-/* 1K-base T control register */
-enum ktcr_bits {
-	ktcr_adv_1000H = 0x0100,
-	ktcr_adv_1000F = 0x0200,
-};
-
-/* Globals */
-static u32 SavedClkRun;
-static unsigned int cur_rx;
-static unsigned int rx_config;
-static unsigned int tx_config;
-
-/* Note: transmit and receive buffers and descriptors must be
-   long long word aligned */
-static BufferDesc txd __attribute__ ((aligned(8)));
-static BufferDesc rxd[NUM_RX_DESC] __attribute__ ((aligned(8)));
-static unsigned char txb[TX_BUF_SIZE] __attribute__ ((aligned(8)));
-static unsigned char rxb[NUM_RX_DESC * RX_BUF_SIZE]
-    __attribute__ ((aligned(8)));
-
-/* Function Prototypes */
-static int mdio_read(struct eth_device *dev, int phy_id, int addr);
-static void mdio_write(struct eth_device *dev, int phy_id, int addr, int value);
-static void mdio_sync(struct eth_device *dev, u32 offset);
-static int ns8382x_init(struct eth_device *dev, struct bd_info * bis);
-static void ns8382x_reset(struct eth_device *dev);
-static void ns8382x_init_rxfilter(struct eth_device *dev);
-static void ns8382x_init_txd(struct eth_device *dev);
-static void ns8382x_init_rxd(struct eth_device *dev);
-static void ns8382x_set_rx_mode(struct eth_device *dev);
-static void ns8382x_check_duplex(struct eth_device *dev);
-static int ns8382x_send(struct eth_device *dev, void *packet, int length);
-static int ns8382x_poll(struct eth_device *dev);
-static void ns8382x_disable(struct eth_device *dev);
-
-static struct pci_device_id supported[] = {
-	{PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83820},
-	{}
-};
-
-#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)
-
-static inline int
-INW(struct eth_device *dev, u_long addr)
-{
-	return le16_to_cpu(*(vu_short *) (addr + dev->iobase));
-}
-
-static int
-INL(struct eth_device *dev, u_long addr)
-{
-	return le32_to_cpu(*(vu_long *) (addr + dev->iobase));
-}
-
-static inline void
-OUTW(struct eth_device *dev, int command, u_long addr)
-{
-	*(vu_short *) ((addr + dev->iobase)) = cpu_to_le16(command);
-}
-
-static inline void
-OUTL(struct eth_device *dev, int command, u_long addr)
-{
-	*(vu_long *) ((addr + dev->iobase)) = cpu_to_le32(command);
-}
-
-/* Function: ns8382x_initialize
- * Description: Retrieves the MAC address of the card, and sets up some
- *  globals required by other routines, and initializes the NIC, making it
- *  ready to send and receive packets.
- * Side effects: initializes ns8382xs, ready to receive packets.
- * Returns:   int:          number of cards found
- */
-
-int
-ns8382x_initialize(struct bd_info * bis)
-{
-	pci_dev_t devno;
-	int card_number = 0;
-	struct eth_device *dev;
-	u32 iobase, status;
-	int i, idx = 0;
-	u32 phyAddress;
-	u32 tmp;
-	u32 chip_config;
-
-	while (1) {		/* Find PCI device(s) */
-		if ((devno = pci_find_devices(supported, idx++)) < 0)
-			break;
-
-		pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase);
-		iobase &= ~0x3;	/* 1: unused and 0:I/O Space Indicator */
-
-		debug("ns8382x: NatSemi dp8382x @ 0x%x\n", iobase);
-
-		pci_write_config_dword(devno, PCI_COMMAND,
-				       PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
-
-		/* Check if I/O accesses and Bus Mastering are enabled. */
-		pci_read_config_dword(devno, PCI_COMMAND, &status);
-		if (!(status & PCI_COMMAND_MEMORY)) {
-			printf("Error: Can not enable MEM access.\n");
-			continue;
-		} else if (!(status & PCI_COMMAND_MASTER)) {
-			printf("Error: Can not enable Bus Mastering.\n");
-			continue;
-		}
-
-		dev = (struct eth_device *) malloc(sizeof *dev);
-		if (!dev) {
-			printf("ns8382x: Can not allocate memory\n");
-			break;
-		}
-		memset(dev, 0, sizeof(*dev));
-
-		sprintf(dev->name, "dp8382x#%d", card_number);
-		dev->iobase = bus_to_phys(iobase);
-		dev->priv = (void *) devno;
-		dev->init = ns8382x_init;
-		dev->halt = ns8382x_disable;
-		dev->send = ns8382x_send;
-		dev->recv = ns8382x_poll;
-
-		/* ns8382x has a non-standard PM control register
-		 * in PCI config space.  Some boards apparently need
-		 * to be brought to D0 in this manner.  */
-		pci_read_config_dword(devno, PCIPM, &tmp);
-		if (tmp & (0x03 | 0x100)) {	/* D0 state, disable PME assertion */
-			u32 newtmp = tmp & ~(0x03 | 0x100);
-			pci_write_config_dword(devno, PCIPM, newtmp);
-		}
-
-		/* get MAC address */
-		for (i = 0; i < 3; i++) {
-			u32 data;
-			char *mac = (char *)&dev->enetaddr[i * 2];
-
-			OUTL(dev, i * 2, RxFilterAddr);
-			data = INL(dev, RxFilterData);
-			*mac++ = data;
-			*mac++ = data >> 8;
-		}
-		/* get PHY address, can't be zero */
-		for (phyAddress = 1; phyAddress < 32; phyAddress++) {
-			u32 rev, phy1;
-
-			phy1 = mdio_read(dev, phyAddress, PHYIDR1);
-			if (phy1 == 0x2000) {	/*check for 83861/91 */
-				rev = mdio_read(dev, phyAddress, PHYIDR2);
-				if ((rev & ~(0x000f)) == 0x00005c50 ||
-				    (rev & ~(0x000f)) == 0x00005c60) {
-					debug("phy rev is %x\n", rev);
-					debug("phy address is %x\n",
-					       phyAddress);
-					break;
-				}
-			}
-		}
-
-		/* set phy to autonegotiate && advertise everything */
-		mdio_write(dev, phyAddress, KTCR,
-			   (ktcr_adv_1000H | ktcr_adv_1000F));
-		mdio_write(dev, phyAddress, ANAR,
-			   (anar_adv_100F | anar_adv_100H | anar_adv_10H |
-			    anar_adv_10F | anar_ieee_8023));
-		mdio_write(dev, phyAddress, BMCR, 0x0);	/*restore */
-		mdio_write(dev, phyAddress, BMCR,
-			   (Bmcr_AutoNegEn | Bmcr_RstAutoNeg));
-		/* Reset the chip to erase any previous misconfiguration. */
-		OUTL(dev, (ChipReset), ChipCmd);
-
-		chip_config = INL(dev, ChipConfig);
-		/* reset the phy */
-		OUTL(dev, (chip_config | PhyRst), ChipConfig);
-		/* power up and initialize transceiver */
-		OUTL(dev, (chip_config & ~(PhyDis)), ChipConfig);
-
-		mdio_sync(dev, EECtrl);
-
-		{
-			u32 chpcfg =
-			    INL(dev, ChipConfig) ^ SpeedStatus_Polarity;
-
-			debug("%s: Transceiver 10%s %s duplex.\n", dev->name,
-			       (chpcfg & GigSpeed) ? "00" : (chpcfg & HundSpeed)
-			       ? "0" : "",
-			       chpcfg & FullDuplex ? "full" : "half");
-			debug("%s: %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
-			       dev->enetaddr[0], dev->enetaddr[1],
-			       dev->enetaddr[2], dev->enetaddr[3],
-			       dev->enetaddr[4], dev->enetaddr[5]);
-		}
-
-		/* Disable PME:
-		 * The PME bit is initialized from the EEPROM contents.
-		 * PCI cards probably have PME disabled, but motherboard
-		 * implementations may have PME set to enable WakeOnLan.
-		 * With PME set the chip will scan incoming packets but
-		 * nothing will be written to memory. */
-		SavedClkRun = INL(dev, ClkRun);
-		OUTL(dev, SavedClkRun & ~0x100, ClkRun);
-
-		eth_register(dev);
-
-		card_number++;
-
-		pci_write_config_byte(devno, PCI_LATENCY_TIMER, 0x60);
-
-		udelay(10 * 1000);
-	}
-	return card_number;
-}
-
-/*  MII transceiver control section.
-	Read and write MII registers using software-generated serial MDIO
-	protocol.  See the MII specifications or DP83840A data sheet for details.
-
-	The maximum data clock rate is 2.5 MHz.  To meet minimum timing we
-	must flush writes to the PCI bus with a PCI read. */
-#define mdio_delay(mdio_addr) INL(dev, mdio_addr)
-
-#define MDIO_EnbIn  (0)
-#define MDIO_WRITE0 (MDIO_EnbOutput)
-#define MDIO_WRITE1 (MDIO_Data | MDIO_EnbOutput)
-
-/* Generate the preamble required for initial synchronization and
-   a few older transceivers. */
-static void
-mdio_sync(struct eth_device *dev, u32 offset)
-{
-	int bits = 32;
-
-	/* Establish sync by sending at least 32 logic ones. */
-	while (--bits >= 0) {
-		OUTL(dev, MDIO_WRITE1, offset);
-		mdio_delay(offset);
-		OUTL(dev, MDIO_WRITE1 | MDIO_ShiftClk, offset);
-		mdio_delay(offset);
-	}
-}
-
-static int
-mdio_read(struct eth_device *dev, int phy_id, int addr)
-{
-	int mii_cmd = (0xf6 << 10) | (phy_id << 5) | addr;
-	int i, retval = 0;
-
-	/* Shift the read command bits out. */
-	for (i = 15; i >= 0; i--) {
-		int dataval = (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
-
-		OUTL(dev, dataval, EECtrl);
-		mdio_delay(EECtrl);
-		OUTL(dev, dataval | MDIO_ShiftClk, EECtrl);
-		mdio_delay(EECtrl);
-	}
-	/* Read the two transition, 16 data, and wire-idle bits. */
-	for (i = 19; i > 0; i--) {
-		OUTL(dev, MDIO_EnbIn, EECtrl);
-		mdio_delay(EECtrl);
-		retval =
-		    (retval << 1) | ((INL(dev, EECtrl) & MDIO_Data) ? 1 : 0);
-		OUTL(dev, MDIO_EnbIn | MDIO_ShiftClk, EECtrl);
-		mdio_delay(EECtrl);
-	}
-	return (retval >> 1) & 0xffff;
-}
-
-static void
-mdio_write(struct eth_device *dev, int phy_id, int addr, int value)
-{
-	int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (addr << 18) | value;
-	int i;
-
-	/* Shift the command bits out. */
-	for (i = 31; i >= 0; i--) {
-		int dataval = (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
-
-		OUTL(dev, dataval, EECtrl);
-		mdio_delay(EECtrl);
-		OUTL(dev, dataval | MDIO_ShiftClk, EECtrl);
-		mdio_delay(EECtrl);
-	}
-	/* Clear out extra bits. */
-	for (i = 2; i > 0; i--) {
-		OUTL(dev, MDIO_EnbIn, EECtrl);
-		mdio_delay(EECtrl);
-		OUTL(dev, MDIO_EnbIn | MDIO_ShiftClk, EECtrl);
-		mdio_delay(EECtrl);
-	}
-	return;
-}
-
-/* Function: ns8382x_init
- * Description: resets the ethernet controller chip and configures
- *    registers and data structures required for sending and receiving packets.
- * Arguments: struct eth_device *dev:       NIC data structure
- * returns:	int.
- */
-
-static int
-ns8382x_init(struct eth_device *dev, struct bd_info * bis)
-{
-	u32 config;
-
-	ns8382x_reset(dev);
-
-	/* Disable PME:
-	 * The PME bit is initialized from the EEPROM contents.
-	 * PCI cards probably have PME disabled, but motherboard
-	 * implementations may have PME set to enable WakeOnLan.
-	 * With PME set the chip will scan incoming packets but
-	 * nothing will be written to memory. */
-	OUTL(dev, SavedClkRun & ~0x100, ClkRun);
-
-	ns8382x_init_rxfilter(dev);
-	ns8382x_init_txd(dev);
-	ns8382x_init_rxd(dev);
-
-	/*set up ChipConfig */
-	config = INL(dev, ChipConfig);
-	/*turn off 64 bit ops && Ten-bit interface
-	 * && big-endian mode && extended status */
-	config &= ~(TBIEn | Mode1000 | T64En | D64En | M64En | BEMode | PhyDis | ExtStEn);
-	OUTL(dev, config, ChipConfig);
-
-	/* Configure the PCI bus bursts and FIFO thresholds. */
-	tx_config = TxCarrierIgn | TxHeartIgn | TxAutoPad
-	    | TxCollRetry | TxMxdma_1024 | (0x1002);
-	rx_config = RxMxdma_1024 | 0x20;
-
-	debug("%s: Setting TxConfig Register %#08X\n", dev->name, tx_config);
-	debug("%s: Setting RxConfig Register %#08X\n", dev->name, rx_config);
-
-	OUTL(dev, tx_config, TxConfig);
-	OUTL(dev, rx_config, RxConfig);
-
-	/*turn off priority queueing */
-	OUTL(dev, 0x0, PriQueue);
-
-	ns8382x_check_duplex(dev);
-	ns8382x_set_rx_mode(dev);
-
-	OUTL(dev, (RxOn | TxOn), ChipCmd);
-	return 1;
-}
-
-/* Function: ns8382x_reset
- * Description: soft resets the controller chip
- * Arguments: struct eth_device *dev:          NIC data structure
- * Returns:   void.
- */
-static void
-ns8382x_reset(struct eth_device *dev)
-{
-	OUTL(dev, ChipReset, ChipCmd);
-	while (INL(dev, ChipCmd))
-		/*wait until done */ ;
-	OUTL(dev, 0, IntrMask);
-	OUTL(dev, 0, IntrEnable);
-}
-
-/* Function: ns8382x_init_rxfilter
- * Description: sets receive filter address to our MAC address
- * Arguments: struct eth_device *dev:          NIC data structure
- * returns:   void.
- */
-
-static void
-ns8382x_init_rxfilter(struct eth_device *dev)
-{
-	int i;
-
-	for (i = 0; i < ETH_ALEN; i += 2) {
-		OUTL(dev, i, RxFilterAddr);
-		OUTW(dev, dev->enetaddr[i] + (dev->enetaddr[i + 1] << 8),
-		     RxFilterData);
-	}
-}
-
-/* Function: ns8382x_init_txd
- * Description: initializes the Tx descriptor
- * Arguments: struct eth_device *dev:          NIC data structure
- * returns:   void.
- */
-
-static void
-ns8382x_init_txd(struct eth_device *dev)
-{
-	txd.link = (u32) 0;
-	txd.bufptr = cpu_to_le32((u32) & txb[0]);
-	txd.cmdsts = (u32) 0;
-	txd.extsts = (u32) 0;
-
-	OUTL(dev, 0x0, TxRingPtrHi);
-	OUTL(dev, phys_to_bus((u32)&txd), TxRingPtr);
-
-	debug("ns8382x_init_txd: TX descriptor register loaded with: %#08X (&txd: %p)\n",
-	       INL(dev, TxRingPtr), &txd);
-}
-
-/* Function: ns8382x_init_rxd
- * Description: initializes the Rx descriptor ring
- * Arguments: struct eth_device *dev:          NIC data structure
- * Returns:   void.
- */
-
-static void
-ns8382x_init_rxd(struct eth_device *dev)
-{
-	int i;
-
-	OUTL(dev, 0x0, RxRingPtrHi);
-
-	cur_rx = 0;
-	for (i = 0; i < NUM_RX_DESC; i++) {
-		rxd[i].link =
-		    cpu_to_le32((i + 1 <
-				 NUM_RX_DESC) ? (u32) & rxd[i +
-							    1] : (u32) &
-				rxd[0]);
-		rxd[i].extsts = cpu_to_le32((u32) 0x0);
-		rxd[i].cmdsts = cpu_to_le32((u32) RX_BUF_SIZE);
-		rxd[i].bufptr = cpu_to_le32((u32) & rxb[i * RX_BUF_SIZE]);
-
-		debug
-		    ("ns8382x_init_rxd: rxd[%d]=%p link=%X cmdsts=%X bufptr=%X\n",
-		     i, &rxd[i], le32_to_cpu(rxd[i].link),
-		     le32_to_cpu(rxd[i].cmdsts), le32_to_cpu(rxd[i].bufptr));
-	}
-	OUTL(dev, phys_to_bus((u32) & rxd), RxRingPtr);
-
-	debug("ns8382x_init_rxd: RX descriptor register loaded with: %X\n",
-	       INL(dev, RxRingPtr));
-}
-
-/* Function: ns8382x_set_rx_mode
- * Description:
- *    sets the receive mode to accept all broadcast packets and packets
- *    with our MAC address, and reject all multicast packets.
- * Arguments: struct eth_device *dev:          NIC data structure
- * Returns:   void.
- */
-
-static void
-ns8382x_set_rx_mode(struct eth_device *dev)
-{
-	u32 rx_mode = 0x0;
-	/*spec says RxFilterEnable has to be 0 for rest of
-	 * this stuff to be properly configured. Linux driver
-	 * seems to support this*/
-/*	OUTL(dev, rx_mode, RxFilterAddr);*/
-	rx_mode = (RxFilterEnable | AcceptAllBroadcast | AcceptPerfectMatch);
-	OUTL(dev, rx_mode, RxFilterAddr);
-	printf("ns8382x_set_rx_mode: set to %X\n", rx_mode);
-	/*now we turn RxFilterEnable back on */
-	/*rx_mode |= RxFilterEnable;
-	OUTL(dev, rx_mode, RxFilterAddr);*/
-}
-
-static void
-ns8382x_check_duplex(struct eth_device *dev)
-{
-	int gig = 0;
-	int hun = 0;
-	int duplex = 0;
-	int config = (INL(dev, ChipConfig) ^ SpeedStatus_Polarity);
-
-	duplex = (config & FullDuplex) ? 1 : 0;
-	gig = (config & GigSpeed) ? 1 : 0;
-	hun = (config & HundSpeed) ? 1 : 0;
-
-	debug("%s: Setting 10%s %s-duplex based on negotiated link"
-	       " capability.\n", dev->name, (gig) ? "00" : (hun) ? "0" : "",
-	       duplex ? "full" : "half");
-
-	if (duplex) {
-		rx_config |= RxAcceptTx;
-		tx_config |= (TxCarrierIgn | TxHeartIgn);
-	} else {
-		rx_config &= ~RxAcceptTx;
-		tx_config &= ~(TxCarrierIgn | TxHeartIgn);
-	}
-
-	debug("%s: Resetting TxConfig Register %#08X\n", dev->name, tx_config);
-	debug("%s: Resetting RxConfig Register %#08X\n", dev->name, rx_config);
-
-	OUTL(dev, tx_config, TxConfig);
-	OUTL(dev, rx_config, RxConfig);
-
-	/*if speed is 10 or 100, remove MODE1000,
-	 * if it's 1000, then set it */
-	config = INL(dev, ChipConfig);
-	if (gig)
-		config |= Mode1000;
-	else
-		config &= ~Mode1000;
-
-	debug("%s: %setting Mode1000\n", dev->name, (gig) ? "S" : "Uns");
-
-	OUTL(dev, config, ChipConfig);
-}
-
-/* Function: ns8382x_send
- * Description: transmits a packet and waits for completion or timeout.
- * Returns:   void.  */
-static int ns8382x_send(struct eth_device *dev, void *packet, int length)
-{
-	u32 i, status = 0;
-	vu_long tx_stat = 0;
-
-	/* Stop the transmitter */
-	OUTL(dev, TxOff, ChipCmd);
-
-	debug("ns8382x_send: sending %d bytes\n", (int)length);
-
-	/* set the transmit buffer descriptor and enable Transmit State Machine */
-	txd.link = cpu_to_le32(0x0);
-	txd.bufptr = cpu_to_le32(phys_to_bus((u32)packet));
-	txd.extsts = cpu_to_le32(0x0);
-	txd.cmdsts = cpu_to_le32(DescOwn | length);
-
-	/* load Transmit Descriptor Register */
-	OUTL(dev, phys_to_bus((u32) & txd), TxRingPtr);
-
-	debug("ns8382x_send: TX descriptor register loaded with: %#08X\n",
-	       INL(dev, TxRingPtr));
-	debug("\ttxd.link:%X\tbufp:%X\texsts:%X\tcmdsts:%X\n",
-	       le32_to_cpu(txd.link), le32_to_cpu(txd.bufptr),
-	       le32_to_cpu(txd.extsts), le32_to_cpu(txd.cmdsts));
-
-	/* restart the transmitter */
-	OUTL(dev, TxOn, ChipCmd);
-
-	for (i = 0; (tx_stat = le32_to_cpu(txd.cmdsts)) & DescOwn; i++) {
-		if (i >= TOUT_LOOP) {
-			printf ("%s: tx error buffer not ready: txd.cmdsts %#lX\n",
-			     dev->name, tx_stat);
-			goto Done;
-		}
-	}
-
-	if (!(tx_stat & DescPktOK)) {
-		printf("ns8382x_send: Transmit error, Tx status %lX.\n", tx_stat);
-		goto Done;
-	}
-
-	debug("ns8382x_send: tx_stat: %#08lX\n", tx_stat);
-
-	status = 1;
-Done:
-	return status;
-}
-
-/* Function: ns8382x_poll
- * Description: checks for a received packet and returns it if found.
- * Arguments: struct eth_device *dev:          NIC data structure
- * Returns:   1 if    packet was received.
- *            0 if no packet was received.
- * Side effects:
- *            Returns (copies) the packet to the array dev->packet.
- *            Returns the length of the packet.
- */
-
-static int
-ns8382x_poll(struct eth_device *dev)
-{
-	int retstat = 0;
-	int length = 0;
-	vu_long rx_status = le32_to_cpu(rxd[cur_rx].cmdsts);
-
-	if (!(rx_status & (u32) DescOwn))
-		return retstat;
-
-	debug("ns8382x_poll: got a packet: cur_rx:%u, status:%lx\n",
-	       cur_rx, rx_status);
-
-	length = (rx_status & DSIZE) - CRC_SIZE;
-
-	if ((rx_status & (DescMore | DescPktOK | DescRxLong)) != DescPktOK) {
-		/* corrupted packet received */
-		printf("ns8382x_poll: Corrupted packet, status:%lx\n",
-		       rx_status);
-		retstat = 0;
-	} else {
-		/* give packet to higher level routine */
-		net_process_received_packet((rxb + cur_rx * RX_BUF_SIZE),
-					    length);
-		retstat = 1;
-	}
-
-	/* return the descriptor and buffer to receive ring */
-	rxd[cur_rx].cmdsts = cpu_to_le32(RX_BUF_SIZE);
-	rxd[cur_rx].bufptr = cpu_to_le32((u32) & rxb[cur_rx * RX_BUF_SIZE]);
-
-	if (++cur_rx == NUM_RX_DESC)
-		cur_rx = 0;
-
-	/* re-enable the potentially idle receive state machine */
-	OUTL(dev, RxOn, ChipCmd);
-
-	return retstat;
-}
-
-/* Function: ns8382x_disable
- * Description: Turns off interrupts and stops Tx and Rx engines
- * Arguments: struct eth_device *dev:          NIC data structure
- * Returns:   void.
- */
-
-static void
-ns8382x_disable(struct eth_device *dev)
-{
-	/* Disable interrupts using the mask. */
-	OUTL(dev, 0, IntrMask);
-	OUTL(dev, 0, IntrEnable);
-
-	/* Stop the chip's Tx and Rx processes. */
-	OUTL(dev, (RxOff | TxOff), ChipCmd);
-
-	/* Restore PME enable bit */
-	OUTL(dev, SavedClkRun, ClkRun);
-}
-- 
2.25.1



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