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authorMike Frysinger <vapier@gentoo.org>2011-10-16 10:04:12 +0000
committerWolfgang Denk <wd@denx.de>2011-10-23 23:34:20 +0200
commit5de78b17f0dd0ece78682e2b336076e61d28bf87 (patch)
tree185cb8ac860f23115d20a76eb475226563a90f09 /drivers/net/3c589.c
parentc1761eeab038777c6aa0cbce3c4db63fe5aab037 (diff)
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net: sc589: drop unused !NET_MULTI driver
No boards appear to use this driver, and it doesn't support NET_MULTI, so punt the old driver. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'drivers/net/3c589.c')
-rw-r--r--drivers/net/3c589.c517
1 files changed, 0 insertions, 517 deletions
diff --git a/drivers/net/3c589.c b/drivers/net/3c589.c
deleted file mode 100644
index f2c7d32..0000000
--- a/drivers/net/3c589.c
+++ /dev/null
@@ -1,517 +0,0 @@
-/*------------------------------------------------------------------------
- . 3c589.c
- . This is a driver for 3Com's 3C589 (Etherlink III) PCMCIA Ethernet device.
- .
- . (C) Copyright 2002
- . Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- . Rolf Offermanns <rof@sysgo.de>
- .
- . 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 <command.h>
-#include <net.h>
-
-#include "3c589.h"
-
-
-/* Use power-down feature of the chip */
-#define POWER_DOWN 0
-
-#define NO_AUTOPROBE
-
-static const char version[] =
- "Your ad here! :P\n";
-
-
-#undef EL_DEBUG
-
-typedef unsigned char byte;
-typedef unsigned short word;
-typedef unsigned long int dword;
-/*------------------------------------------------------------------------
- .
- . Configuration options, for the experienced user to change.
- .
- -------------------------------------------------------------------------*/
-
-/*
- . Wait time for memory to be free. This probably shouldn't be
- . tuned that much, as waiting for this means nothing else happens
- . in the system
-*/
-#define MEMORY_WAIT_TIME 16
-
-
-#if (EL_DEBUG > 2 )
-#define PRINTK3(args...) printf(args)
-#else
-#define PRINTK3(args...)
-#endif
-
-#if EL_DEBUG > 1
-#define PRINTK2(args...) printf(args)
-#else
-#define PRINTK2(args...)
-#endif
-
-#ifdef EL_DEBUG
-#define PRINTK(args...) printf(args)
-#else
-#define PRINTK(args...)
-#endif
-
-#define outb(args...) mmio_outb(args)
-#define mmio_outb(value, addr) (*((volatile byte *)(addr)) = value)
-
-#define inb(args...) mmio_inb(args)
-#define mmio_inb(addr) (*((volatile byte *)(addr)))
-
-#define outw(args...) mmio_outw(args)
-#define mmio_outw(value, addr) (*((volatile word *)(addr)) = value)
-
-#define inw(args...) mmio_inw(args)
-#define mmio_inw(addr) (*((volatile word *)(addr)))
-
-#define outsw(args...) mmio_outsw(args)
-#define mmio_outsw(r,b,l) ({ int __i; \
- word *__b2; \
- __b2 = (word *) b; \
- for (__i = 0; __i < l; __i++) { \
- mmio_outw( *(__b2 + __i), r); \
- } \
- })
-
-#define insw(args...) mmio_insw(args)
-#define mmio_insw(r,b,l) ({ int __i ; \
- word *__b2; \
- __b2 = (word *) b; \
- for (__i = 0; __i < l; __i++) { \
- *(__b2 + __i) = mmio_inw(r); \
- mmio_inw(0); \
- }; \
- })
-
-/*------------------------------------------------------------------------
- .
- . The internal workings of the driver. If you are changing anything
- . here with the 3Com stuff, you should have the datasheet and know
- . what you are doing.
- .
- -------------------------------------------------------------------------*/
-#define EL_BASE_ADDR 0x20000000
-
-
-/* Offsets from base I/O address. */
-#define EL3_DATA 0x00
-#define EL3_TIMER 0x0a
-#define EL3_CMD 0x0e
-#define EL3_STATUS 0x0e
-
-#define EEPROM_READ 0x0080
-
-#define EL3WINDOW(win_num) mmio_outw(SelectWindow + (win_num), EL_BASE_ADDR + EL3_CMD)
-
-/* The top five bits written to EL3_CMD are a command, the lower
- 11 bits are the parameter, if applicable. */
-enum c509cmd {
- TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11,
- RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11,
- TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11,
- FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11,
- SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11,
- SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11,
- StatsDisable = 22<<11, StopCoax = 23<<11,
-};
-
-enum c509status {
- IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
- TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
- IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000
-};
-
-/* The SetRxFilter command accepts the following classes: */
-enum RxFilter {
- RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8
-};
-
-/* Register window 1 offsets, the window used in normal operation. */
-#define TX_FIFO 0x00
-#define RX_FIFO 0x00
-#define RX_STATUS 0x08
-#define TX_STATUS 0x0B
-#define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
-
-
-/*
- Read a word from the EEPROM using the regular EEPROM access register.
- Assume that we are in register window zero.
-*/
-static word read_eeprom(dword ioaddr, int index)
-{
- int i;
- outw(EEPROM_READ + index, ioaddr + 0xa);
- /* Reading the eeprom takes 162 us */
- for (i = 1620; i >= 0; i--)
- if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0)
- break;
- return inw(ioaddr + 0xc);
-}
-
-static void el_get_mac_addr( unsigned char *mac_addr )
-{
- int i;
- union
- {
- word w;
- unsigned char b[2];
- } wrd;
- unsigned char old_window = inw( EL_BASE_ADDR + EL3_STATUS ) >> 13;
- GO_WINDOW(0);
- VX_BUSY_WAIT;
- for (i = 0; i < 3; i++)
- {
- wrd.w = read_eeprom(EL_BASE_ADDR, 0xa+i);
-#ifdef __BIG_ENDIAN
- mac_addr[2*i] = wrd.b[0];
- mac_addr[2*i+1] = wrd.b[1];
-#else
- mac_addr[2*i] = wrd.b[1];
- mac_addr[2*i+1] = wrd.b[0];
-#endif
- }
- GO_WINDOW(old_window);
- VX_BUSY_WAIT;
-}
-
-
-#if EL_DEBUG > 1
-static void print_packet( byte * buf, int length )
-{
- int i;
- int remainder;
- int lines;
-
- PRINTK2("Packet of length %d \n", length );
-
- lines = length / 16;
- remainder = length % 16;
-
- for ( i = 0; i < lines ; i ++ ) {
- int cur;
-
- for ( cur = 0; cur < 8; cur ++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- PRINTK2("%02x%02x ", a, b );
- }
- PRINTK2("\n");
- }
- for ( i = 0; i < remainder/2 ; i++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- PRINTK2("%02x%02x ", a, b );
- }
- PRINTK2("\n");
-}
-#endif /* EL_DEBUG > 1 */
-
-
-/**************************************************************************
-ETH_RESET - Reset adapter
-***************************************************************************/
-static void el_reset(bd_t *bd)
-{
- /***********************************************************
- Reset 3Com 595 card
- *************************************************************/
- /* QUICK HACK
- * - adjust timing for 3c589
- * - enable io for PCMCIA */
- outw(0x0004, 0xa0000018);
- udelay(100);
- outw(0x0041, 0x28010000);
- udelay(100);
-
- /* issue global reset */
- outw(GLOBAL_RESET, BASE + VX_COMMAND);
-
- /* must wait for at least 1ms */
- udelay(100000000);
-
- /* set mac addr */
- {
- uchar mac_addr[6];
- int i;
-
- if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
- el_get_mac_addr(mac_addr);
- eth_setenv_enetaddr("ethaddr", mac_addr);
- }
-
- GO_WINDOW(2);
- VX_BUSY_WAIT;
-
- printf("3C589 MAC Addr.: ");
- for (i = 0; i < 6; i++)
- {
- printf("%02x", mac_addr[i]);
- outb(mac_addr[i], BASE + VX_W2_ADDR_0 + i);
- VX_BUSY_WAIT;
- }
- printf("\n\n");
- }
-
- /* set RX filter */
- outw(SET_RX_FILTER | FIL_INDIVIDUAL | FIL_BRDCST, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
-
- /* set irq mask and read_zero */
- outw(SET_RD_0_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
- S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- outw(SET_INTR_MASK | S_CARD_FAILURE | S_RX_COMPLETE |
- S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- /* enable TP Linkbeat */
- GO_WINDOW(4);
- VX_BUSY_WAIT;
-
- outw( ENABLE_UTP, BASE + VX_W4_MEDIA_TYPE);
- VX_BUSY_WAIT;
-
-
-/*
- * Attempt to get rid of any stray interrupts that occured during
- * configuration. On the i386 this isn't possible because one may
- * already be queued. However, a single stray interrupt is
- * unimportant.
- */
-
- outw(ACK_INTR | 0xff, BASE + VX_COMMAND);
- VX_BUSY_WAIT;
-
- /* enable TX and RX */
- outw( RX_ENABLE, BASE + VX_COMMAND );
- VX_BUSY_WAIT;
-
- outw( TX_ENABLE, BASE + VX_COMMAND );
- VX_BUSY_WAIT;
-
-
- /* print the diag. regs. */
- PRINTK2("Diag. Regs\n");
- PRINTK2("--> MEDIA_TYPE: %04x\n", inw(BASE + VX_W4_MEDIA_TYPE));
- PRINTK2("--> NET_DIAG: %04x\n", inw(BASE + VX_W4_NET_DIAG));
- PRINTK2("--> FIFO_DIAG: %04x\n", inw(BASE + VX_W4_FIFO_DIAG));
- PRINTK2("--> CTRLR_STATUS: %04x\n", inw(BASE + VX_W4_CTRLR_STATUS));
- PRINTK2("\n\n");
-
- /* enter working mode */
- GO_WINDOW(1);
- VX_BUSY_WAIT;
-
- /* wait for another 1ms */
- udelay(100000000);
-}
-
-
-/*-----------------------------------------------------------------
- .
- . The driver can be entered at any of the following entry points.
- .
- .------------------------------------------------------------------ */
-
-extern int eth_init(bd_t *bd);
-extern void eth_halt(void);
-extern int eth_rx(void);
-extern int eth_send(volatile void *packet, int length);
-
-
-/*
- ------------------------------------------------------------
- .
- . Internal routines
- .
- ------------------------------------------------------------
-*/
-
-int eth_init(bd_t *bd)
-{
- el_reset(bd);
- return 0;
-}
-
-void eth_halt() {
- return;
-}
-
-#define EDEBUG 1
-
-
-/**************************************************************************
-ETH_POLL - Wait for a frame
-***************************************************************************/
-
-int eth_rx()
-{
- word status, rx_status, packet_size;
-
- VX_BUSY_WAIT;
-
- status = inw( BASE + VX_STATUS );
-
- if ( (status & S_RX_COMPLETE) == 0 ) return 0; /* nothing to do */
-
- /* Packet waiting -> check RX_STATUS */
- rx_status = inw( BASE + VX_W1_RX_STATUS );
-
- if ( rx_status & ERR_RX )
- {
- /* error in packet -> discard */
- PRINTK("[ERROR] Invalid packet -> discarding\n");
- PRINTK("-- error code 0x%02x\n", rx_status & ERR_MASK);
- PRINTK("-- rx bytes 0x%04d\n", rx_status & ((1<<11) - 1));
- PRINTK("[ERROR] Invalid packet -> discarding\n");
- outw( RX_DISCARD_TOP_PACK, BASE + VX_COMMAND );
- return 0;
- }
-
- /* correct pack. waiting in fifo */
- packet_size = rx_status & RX_BYTES_MASK;
-
- PRINTK("Correct packet waiting in fifo, size: %d\n", packet_size);
-
- {
- volatile word *packet_start = (word *)(BASE + VX_W1_RX_PIO_RD_1);
- word *RcvBuffer = (word *)(NetRxPackets[0]);
- int wcount = 0;
-
- for (wcount = 0; wcount < (packet_size >> 1); wcount++)
- {
- *RcvBuffer++ = *(packet_start);
- }
-
- /* handle odd packets */
- if ( packet_size & 1 )
- {
- *RcvBuffer++ = *(packet_start);
- }
- }
-
- /* fifo should now be empty (besides the padding bytes) */
- if ( ((*((word *)(BASE + VX_W1_RX_STATUS))) & RX_BYTES_MASK) > 3 )
- {
- PRINTK("[ERROR] Fifo not empty after packet read (remaining pkts: %d)\n",
- (((*(word *)(BASE + VX_W1_RX_STATUS))) & RX_BYTES_MASK));
- }
-
- /* discard packet */
- *((word *)(BASE + VX_COMMAND)) = RX_DISCARD_TOP_PACK;
-
- /* Pass Packets to upper Layer */
- NetReceive(NetRxPackets[0], packet_size);
- return packet_size;
-}
-
-
-/**************************************************************************
-ETH_TRANSMIT - Transmit a frame
-***************************************************************************/
-static char padmap[] = {
- 0, 3, 2, 1};
-
-
-int eth_send(volatile void *packet, int length) {
- int pad;
- int status;
- volatile word *buf = (word *)packet;
- int dummy = 0;
-
- /* padding stuff */
- pad = padmap[length & 3];
-
- PRINTK("eth_send(), length: %d\n", length);
- /* drop acknowledgements */
- while(( status=inb(EL_BASE_ADDR + VX_W1_TX_STATUS) )& TXS_COMPLETE ) {
- if(status & (TXS_UNDERRUN|TXS_MAX_COLLISION|TXS_STATUS_OVERFLOW)) {
- outw(TX_RESET, EL_BASE_ADDR + VX_COMMAND);
- outw(TX_ENABLE, EL_BASE_ADDR + VX_COMMAND);
- PRINTK("Bad status, resetting and reenabling transmitter\n");
- }
-
- outb(0x0, EL_BASE_ADDR + VX_W1_TX_STATUS);
- }
-
-
- while (inw(EL_BASE_ADDR + VX_W1_FREE_TX) < length + pad + 4) {
- /* no room in FIFO */
- if (dummy == 0)
- {
- PRINTK("No room in FIFO, waiting...\n");
- dummy++;
- }
-
- }
-
- PRINTK(" ---> FIFO ready\n");
-
-
- outw(length, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
-
- /* Second dword meaningless */
- outw(0x0, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
-
-#if EL_DEBUG > 1
- print_packet((byte *)buf, length);
-#endif
-
- /* write packet */
- {
- unsigned int i, totw;
-
- totw = ((length + 1) >> 1);
- PRINTK("Buffer: (totw = %d)\n", totw);
- for (i = 0; i < totw; i++) {
- outw( *(buf+i), EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
- udelay(10);
- }
- if(totw & 1)
- { /* pad to double word length */
- outw( 0, EL_BASE_ADDR + VX_W1_TX_PIO_WR_1);
- udelay(10);
- }
- PRINTK("\n\n");
- }
-
- /* wait for Tx complete */
- PRINTK("Waiting for Tx to complete...\n");
- while(((status = inw(EL_BASE_ADDR + VX_STATUS)) & S_COMMAND_IN_PROGRESS) != 0)
- {
- udelay(10);
- }
- PRINTK(" ---> Tx completed, status = 0x%04x\n", status);
-
- return length;
-}