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@@ -1,355 +1,92 @@
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-/**************************************************************************
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-ETHERBOOT - BOOTP/TFTP Bootstrap Program
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-
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-Author: Martin Renters.
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- Date: Mar 22 1995
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-
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- This code is based heavily on David Greenman's if_ed.c driver and
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- Andres Vega Garcia's if_ep.c driver.
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-
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- Copyright (C) 1993-1994, David Greenman, Martin Renters.
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- Copyright (C) 1993-1995, Andres Vega Garcia.
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- Copyright (C) 1995, Serge Babkin.
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- This software may be used, modified, copied, distributed, and sold, in
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- both source and binary form provided that the above copyright and these
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- terms are retained. Under no circumstances are the authors responsible for
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- the proper functioning of this software, nor do the authors assume any
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- responsibility for damages incurred with its use.
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-
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-3c509 support added by Serge Babkin (babkin@hq.icb.chel.su)
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-
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-$Id$
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-
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-***************************************************************************/
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-
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-/* #define EDEBUG */
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+/*
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+ * Split out into 3c509.c and 3c5x9.c, to make it possible to build a
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+ * 3c529 module without including ISA, ISAPnP and EISA code.
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+ *
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+ */
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-#include "etherboot.h"
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-#include "nic.h"
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+#include "eisa.h"
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#include "isa.h"
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+#include "dev.h"
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+#include "io.h"
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#include "timer.h"
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+#include "string.h"
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+#include "etherboot.h"
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#include "3c509.h"
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-static unsigned short eth_nic_base;
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-static enum { none, bnc, utp } connector = none; /* for 3C509 */
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-
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-#ifdef INCLUDE_3C529
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/*
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- * This table and several other pieces of the MCA support
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- * code were shamelessly borrowed from the Linux kernel source.
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+ * 3c509 cards have their own method of contention resolution; this
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+ * effectively defines another bus type.
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*
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- * MCA support added by Adam Fritzler (mid@auk.cx)
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+ */
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+
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+/*
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+ * A physical t509 device
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*
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*/
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-struct el3_mca_adapters_struct {
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- const char *name;
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- int id;
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-};
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-static struct el3_mca_adapters_struct el3_mca_adapters[] = {
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- { "3Com 3c529 EtherLink III (10base2)", 0x627c },
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- { "3Com 3c529 EtherLink III (10baseT)", 0x627d },
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- { "3Com 3c529 EtherLink III (test mode)", 0x62db },
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- { "3Com 3c529 EtherLink III (TP or coax)", 0x62f6 },
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- { "3Com 3c529 EtherLink III (TP)", 0x62f7 },
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- { NULL, 0 },
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+struct t509_device {
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+ char *magic; /* must be first */
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+ struct dev *dev;
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+ uint16_t id_port;
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+ uint16_t ioaddr;
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+ unsigned char current_tag;
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};
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-#endif
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-
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-/**************************************************************************
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-ETH_RESET - Reset adapter
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-***************************************************************************/
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-static void t509_reset(struct nic *nic)
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-{
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- int i;
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-
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- /***********************************************************
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- Reset 3Com 509 card
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- *************************************************************/
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-
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- /* stop card */
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- outw(RX_DISABLE, BASE + EP_COMMAND);
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- outw(RX_DISCARD_TOP_PACK, BASE + EP_COMMAND);
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- while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS)
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- ;
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- outw(TX_DISABLE, BASE + EP_COMMAND);
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- outw(STOP_TRANSCEIVER, BASE + EP_COMMAND);
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- udelay(1000);
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- outw(RX_RESET, BASE + EP_COMMAND);
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- outw(TX_RESET, BASE + EP_COMMAND);
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- outw(C_INTR_LATCH, BASE + EP_COMMAND);
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- outw(SET_RD_0_MASK, BASE + EP_COMMAND);
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- outw(SET_INTR_MASK, BASE + EP_COMMAND);
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- outw(SET_RX_FILTER, BASE + EP_COMMAND);
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-
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- /*
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- * initialize card
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- */
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- while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS)
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- ;
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-
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- GO_WINDOW(0);
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-
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- /* Disable the card */
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- outw(0, BASE + EP_W0_CONFIG_CTRL);
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-
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- /* Configure IRQ to none */
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- outw(SET_IRQ(0), BASE + EP_W0_RESOURCE_CFG);
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-
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- /* Enable the card */
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- outw(ENABLE_DRQ_IRQ, BASE + EP_W0_CONFIG_CTRL);
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-
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- GO_WINDOW(2);
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-
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- /* Reload the ether_addr. */
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- for (i = 0; i < ETH_ALEN; i++)
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- outb(nic->node_addr[i], BASE + EP_W2_ADDR_0 + i);
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-
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- outw(RX_RESET, BASE + EP_COMMAND);
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- outw(TX_RESET, BASE + EP_COMMAND);
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-
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- /* Window 1 is operating window */
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- GO_WINDOW(1);
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- for (i = 0; i < 31; i++)
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- inb(BASE + EP_W1_TX_STATUS);
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-
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- /* get rid of stray intr's */
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- outw(ACK_INTR | 0xff, BASE + EP_COMMAND);
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-
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- outw(SET_RD_0_MASK | S_5_INTS, BASE + EP_COMMAND);
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-
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- outw(SET_INTR_MASK, BASE + EP_COMMAND);
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-
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- outw(SET_RX_FILTER | FIL_GROUP | FIL_INDIVIDUAL | FIL_BRDCST, BASE + EP_COMMAND);
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-
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- /* configure BNC */
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- if (connector == bnc) {
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- outw(START_TRANSCEIVER, BASE + EP_COMMAND);
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- udelay(1000);
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- }
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- /* configure UTP */
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- else if (connector == utp) {
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- GO_WINDOW(4);
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- outw(ENABLE_UTP, BASE + EP_W4_MEDIA_TYPE);
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- sleep(2); /* Give time for media to negotiate */
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- GO_WINDOW(1);
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- }
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-
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- /* start transceiver and receiver */
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- outw(RX_ENABLE, BASE + EP_COMMAND);
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- outw(TX_ENABLE, BASE + EP_COMMAND);
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- /* set early threshold for minimal packet length */
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- outw(SET_RX_EARLY_THRESH | ETH_ZLEN, BASE + EP_COMMAND);
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- outw(SET_TX_START_THRESH | 16, BASE + EP_COMMAND);
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-}
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-
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-/**************************************************************************
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-ETH_TRANSMIT - Transmit a frame
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-***************************************************************************/
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-static char padmap[] = {
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- 0, 3, 2, 1};
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-
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-static void t509_transmit(
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-struct nic *nic,
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-const char *d, /* Destination */
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-unsigned int t, /* Type */
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-unsigned int s, /* size */
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-const char *p) /* Packet */
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-{
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- register unsigned int len;
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- int pad;
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- int status;
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-
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-#ifdef EDEBUG
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- printf("{l=%d,t=%hX}",s+ETH_HLEN,t);
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-#endif
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-
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- /* swap bytes of type */
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- t= htons(t);
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-
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- len=s+ETH_HLEN; /* actual length of packet */
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- pad = padmap[len & 3];
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-
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- /*
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- * The 3c509 automatically pads short packets to minimum ethernet length,
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- * but we drop packets that are too large. Perhaps we should truncate
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- * them instead?
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- */
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- if (len + pad > ETH_FRAME_LEN) {
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- return;
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- }
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-
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- /* drop acknowledgements */
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- while ((status=inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE ) {
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- if (status & (TXS_UNDERRUN|TXS_MAX_COLLISION|TXS_STATUS_OVERFLOW)) {
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- outw(TX_RESET, BASE + EP_COMMAND);
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- outw(TX_ENABLE, BASE + EP_COMMAND);
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- }
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- outb(0x0, BASE + EP_W1_TX_STATUS);
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- }
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-
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- while (inw(BASE + EP_W1_FREE_TX) < (unsigned short)len + pad + 4)
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- ; /* no room in FIFO */
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-
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- outw(len, BASE + EP_W1_TX_PIO_WR_1);
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- outw(0x0, BASE + EP_W1_TX_PIO_WR_1); /* Second dword meaningless */
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-
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- /* write packet */
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- outsw(BASE + EP_W1_TX_PIO_WR_1, d, ETH_ALEN/2);
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- outsw(BASE + EP_W1_TX_PIO_WR_1, nic->node_addr, ETH_ALEN/2);
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- outw(t, BASE + EP_W1_TX_PIO_WR_1);
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- outsw(BASE + EP_W1_TX_PIO_WR_1, p, s / 2);
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- if (s & 1)
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- outb(*(p+s - 1), BASE + EP_W1_TX_PIO_WR_1);
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-
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- while (pad--)
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- outb(0, BASE + EP_W1_TX_PIO_WR_1); /* Padding */
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-
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- /* wait for Tx complete */
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- while((inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) != 0)
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- ;
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-}
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-
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-/**************************************************************************
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-ETH_POLL - Wait for a frame
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-***************************************************************************/
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-static int t509_poll(struct nic *nic, int retrieve)
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-{
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- /* common variables */
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- /* variables for 3C509 */
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- short status, cst;
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- register short rx_fifo;
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-
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- cst=inw(BASE + EP_STATUS);
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-
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-#ifdef EDEBUG
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- if(cst & 0x1FFF)
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- printf("-%hX-",cst);
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-#endif
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-
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- if( (cst & S_RX_COMPLETE)==0 ) {
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- /* acknowledge everything */
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- outw(ACK_INTR| (cst & S_5_INTS), BASE + EP_COMMAND);
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- outw(C_INTR_LATCH, BASE + EP_COMMAND);
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-
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- return 0;
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- }
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-
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- status = inw(BASE + EP_W1_RX_STATUS);
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-#ifdef EDEBUG
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- printf("*%hX*",status);
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-#endif
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-
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- if (status & ERR_RX) {
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- outw(RX_DISCARD_TOP_PACK, BASE + EP_COMMAND);
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- return 0;
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- }
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+/*
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+ * A t509 driver
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+ *
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+ */
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+struct t509_driver {
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+ char *name;
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+};
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- rx_fifo = status & RX_BYTES_MASK;
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- if (rx_fifo==0)
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- return 0;
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+/*
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+ * Ensure that there is sufficient space in the shared dev_bus
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+ * structure for a struct pci_device.
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+ *
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+ */
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+DEV_BUS( struct t509_device, t509_dev );
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+static char t509_magic[0]; /* guaranteed unique symbol */
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- if ( ! retrieve ) return 1;
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-
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- /* read packet */
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-#ifdef EDEBUG
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- printf("[l=%d",rx_fifo);
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-#endif
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- insw(BASE + EP_W1_RX_PIO_RD_1, nic->packet, rx_fifo / 2);
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- if(rx_fifo & 1)
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- nic->packet[rx_fifo-1]=inb(BASE + EP_W1_RX_PIO_RD_1);
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- nic->packetlen=rx_fifo;
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-
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- while(1) {
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- status = inw(BASE + EP_W1_RX_STATUS);
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-#ifdef EDEBUG
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- printf("*%hX*",status);
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-#endif
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- rx_fifo = status & RX_BYTES_MASK;
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- if(rx_fifo>0) {
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- insw(BASE + EP_W1_RX_PIO_RD_1, nic->packet+nic->packetlen, rx_fifo / 2);
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- if(rx_fifo & 1)
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- nic->packet[nic->packetlen+rx_fifo-1]=inb(BASE + EP_W1_RX_PIO_RD_1);
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|
273
|
|
- nic->packetlen+=rx_fifo;
|
|
274
|
|
-#ifdef EDEBUG
|
|
275
|
|
- printf("+%d",rx_fifo);
|
|
276
|
|
-#endif
|
|
277
|
|
- }
|
|
278
|
|
- if(( status & RX_INCOMPLETE )==0) {
|
|
279
|
|
-#ifdef EDEBUG
|
|
280
|
|
- printf("=%d",nic->packetlen);
|
|
281
|
|
-#endif
|
|
282
|
|
- break;
|
|
|
50
|
+/*
|
|
|
51
|
+ * Find a port that can be used for contention select
|
|
|
52
|
+ *
|
|
|
53
|
+ * Called only once, so inlined for efficiency.
|
|
|
54
|
+ *
|
|
|
55
|
+ */
|
|
|
56
|
+static inline int find_id_port ( struct t509_device *t509 ) {
|
|
|
57
|
+ for ( t509->id_port = EP_ID_PORT_START ;
|
|
|
58
|
+ t509->id_port < EP_ID_PORT_END ;
|
|
|
59
|
+ t509->id_port += EP_ID_PORT_INC ) {
|
|
|
60
|
+ outb ( 0x00, t509->id_port );
|
|
|
61
|
+ outb ( 0xff, t509->id_port );
|
|
|
62
|
+ if ( inb ( t509->id_port ) & 0x01 ) {
|
|
|
63
|
+ /* Found a suitable port */
|
|
|
64
|
+ return 1;
|
|
283
|
65
|
}
|
|
284
|
|
- udelay(1000); /* if incomplete wait 1 ms */
|
|
285
|
66
|
}
|
|
286
|
|
- /* acknowledge reception of packet */
|
|
287
|
|
- outw(RX_DISCARD_TOP_PACK, BASE + EP_COMMAND);
|
|
288
|
|
- while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS)
|
|
289
|
|
- ;
|
|
290
|
|
-#ifdef EDEBUG
|
|
291
|
|
-{
|
|
292
|
|
- unsigned short type = 0; /* used by EDEBUG */
|
|
293
|
|
- type = (nic->packet[12]<<8) | nic->packet[13];
|
|
294
|
|
- if(nic->packet[0]+nic->packet[1]+nic->packet[2]+nic->packet[3]+nic->packet[4]+
|
|
295
|
|
- nic->packet[5] == 0xFF*ETH_ALEN)
|
|
296
|
|
- printf(",t=%hX,b]",type);
|
|
297
|
|
- else
|
|
298
|
|
- printf(",t=%hX]",type);
|
|
299
|
|
-}
|
|
300
|
|
-#endif
|
|
301
|
|
- return (1);
|
|
302
|
|
-}
|
|
303
|
|
-
|
|
304
|
|
-/*************************************************************************
|
|
305
|
|
- 3Com 509 - specific routines
|
|
306
|
|
-**************************************************************************/
|
|
307
|
|
-
|
|
308
|
|
-static int
|
|
309
|
|
-eeprom_rdy(void)
|
|
310
|
|
-{
|
|
311
|
|
- int i;
|
|
312
|
|
-
|
|
313
|
|
- for (i = 0; is_eeprom_busy(IS_BASE) && i < MAX_EEPROMBUSY; i++);
|
|
314
|
|
- if (i >= MAX_EEPROMBUSY) {
|
|
315
|
|
- /* printf("3c509: eeprom failed to come ready.\n"); */
|
|
316
|
|
- /* memory in EPROM is tight */
|
|
317
|
|
- /* printf("3c509: eeprom busy.\n"); */
|
|
318
|
|
- return (0);
|
|
319
|
|
- }
|
|
320
|
|
- return (1);
|
|
|
67
|
+ /* No id port available */
|
|
|
68
|
+ return 0;
|
|
321
|
69
|
}
|
|
322
|
70
|
|
|
323
|
71
|
/*
|
|
324
|
|
- * get_e: gets a 16 bits word from the EEPROM. we must have set the window
|
|
325
|
|
- * before
|
|
|
72
|
+ * Send ID sequence to the ID port
|
|
|
73
|
+ *
|
|
|
74
|
+ * Called only once, so inlined for efficiency.
|
|
|
75
|
+ *
|
|
326
|
76
|
*/
|
|
327
|
|
-static int
|
|
328
|
|
-get_e(int offset)
|
|
329
|
|
-{
|
|
330
|
|
- if (!eeprom_rdy())
|
|
331
|
|
- return (0xffff);
|
|
332
|
|
- outw(EEPROM_CMD_RD | offset, IS_BASE + EP_W0_EEPROM_COMMAND);
|
|
333
|
|
- if (!eeprom_rdy())
|
|
334
|
|
- return (0xffff);
|
|
335
|
|
- return (inw(IS_BASE + EP_W0_EEPROM_DATA));
|
|
|
77
|
+static inline void send_id_sequence ( struct t509_device *t509 ) {
|
|
|
78
|
+ unsigned short lrs_state, i;
|
|
|
79
|
+
|
|
|
80
|
+ outb ( 0x00, t509->id_port );
|
|
|
81
|
+ outb ( 0x00, t509->id_port );
|
|
|
82
|
+ lrs_state = 0xff;
|
|
|
83
|
+ for ( i = 0; i < 255; i++ ) {
|
|
|
84
|
+ outb ( lrs_state, t509->id_port );
|
|
|
85
|
+ lrs_state <<= 1;
|
|
|
86
|
+ lrs_state = lrs_state & 0x100 ? lrs_state ^ 0xcf : lrs_state;
|
|
|
87
|
+ }
|
|
336
|
88
|
}
|
|
337
|
89
|
|
|
338
|
|
-static int
|
|
339
|
|
-send_ID_sequence(int port)
|
|
340
|
|
-{
|
|
341
|
|
- int cx, al;
|
|
342
|
|
-
|
|
343
|
|
- for (al = 0xff, cx = 0; cx < 255; cx++) {
|
|
344
|
|
- outb(al, port);
|
|
345
|
|
- al <<= 1;
|
|
346
|
|
- if (al & 0x100)
|
|
347
|
|
- al ^= 0xcf;
|
|
348
|
|
- }
|
|
349
|
|
- return (1);
|
|
350
|
|
-}
|
|
351
|
|
-
|
|
352
|
|
-
|
|
353
|
90
|
/*
|
|
354
|
91
|
* We get eeprom data from the id_port given an offset into the eeprom.
|
|
355
|
92
|
* Basically; after the ID_sequence is sent to all of the cards; they enter
|
|
|
@@ -362,314 +99,170 @@ send_ID_sequence(int port)
|
|
362
|
99
|
* the AX register which is conveniently returned to us by inb(). Hence; we
|
|
363
|
100
|
* read 16 times getting one bit of data with each read.
|
|
364
|
101
|
*/
|
|
365
|
|
-static int
|
|
366
|
|
-get_eeprom_data(int id_port, int offset)
|
|
367
|
|
-{
|
|
|
102
|
+static uint16_t id_read_eeprom ( struct t509_device *t509, int offset ) {
|
|
368
|
103
|
int i, data = 0;
|
|
369
|
|
- outb(0x80 + offset, id_port);
|
|
|
104
|
+
|
|
|
105
|
+ outb ( 0x80 + offset, t509->id_port );
|
|
370
|
106
|
/* Do we really need this wait? Won't be noticeable anyway */
|
|
371
|
107
|
udelay(10000);
|
|
372
|
|
- for (i = 0; i < 16; i++)
|
|
373
|
|
- data = (data << 1) | (inw(id_port) & 1);
|
|
374
|
|
- return (data);
|
|
375
|
|
-}
|
|
376
|
|
-
|
|
377
|
|
-static void __t509_disable(void)
|
|
378
|
|
-{
|
|
379
|
|
- outb(0xc0, EP_ID_PORT);
|
|
380
|
|
-}
|
|
381
|
108
|
|
|
382
|
|
-static void t509_disable ( struct nic *nic ) {
|
|
383
|
|
- /* reset and disable merge */
|
|
384
|
|
- t509_reset(nic);
|
|
385
|
|
- __t509_disable();
|
|
386
|
|
-}
|
|
387
|
|
-
|
|
388
|
|
-static void t509_irq(struct nic *nic __unused, irq_action_t action __unused)
|
|
389
|
|
-{
|
|
390
|
|
- switch ( action ) {
|
|
391
|
|
- case DISABLE :
|
|
392
|
|
- break;
|
|
393
|
|
- case ENABLE :
|
|
394
|
|
- break;
|
|
395
|
|
- case FORCE :
|
|
396
|
|
- break;
|
|
397
|
|
- }
|
|
|
109
|
+ for ( i = 0; i < 16; i++ ) {
|
|
|
110
|
+ data = ( data << 1 ) | ( inw ( t509->id_port ) & 1 );
|
|
|
111
|
+ }
|
|
|
112
|
+ return data;
|
|
398
|
113
|
}
|
|
399
|
114
|
|
|
400
|
|
-/**************************************************************************
|
|
401
|
|
-ETH_PROBE - Look for an adapter
|
|
402
|
|
-***************************************************************************/
|
|
403
|
|
-#ifdef INCLUDE_3C529
|
|
404
|
|
-static int t529_probe(struct dev *dev, unsigned short *probe_addrs __unused)
|
|
405
|
|
-#else
|
|
406
|
|
-static int t509_probe(struct dev *dev, unsigned short *probe_addrs __unused)
|
|
407
|
|
-#endif
|
|
408
|
|
-{
|
|
409
|
|
- struct nic *nic = (struct nic *)dev;
|
|
410
|
|
- /* common variables */
|
|
|
115
|
+/*
|
|
|
116
|
+ * Find the next t509 device
|
|
|
117
|
+ *
|
|
|
118
|
+ * Called only once, so inlined for efficiency.
|
|
|
119
|
+ *
|
|
|
120
|
+ */
|
|
|
121
|
+static inline int fill_t509_device ( struct t509_device *t509 ) {
|
|
411
|
122
|
int i;
|
|
412
|
|
- int failcount;
|
|
413
|
|
-
|
|
414
|
|
-#ifdef INCLUDE_3C529
|
|
415
|
|
- struct el3_mca_adapters_struct *mcafound = NULL;
|
|
416
|
|
- int mca_pos4 = 0, mca_pos5 = 0, mca_irq = 0;
|
|
417
|
|
-#endif
|
|
418
|
|
-
|
|
419
|
|
- __t509_disable(); /* in case board was active */
|
|
420
|
|
-
|
|
421
|
|
- for (failcount = 0; failcount < 100; failcount++) {
|
|
422
|
|
- int data, j, io_base, id_port;
|
|
423
|
|
- unsigned short k;
|
|
424
|
|
- int ep_current_tag;
|
|
425
|
|
- short *p;
|
|
426
|
|
-#ifdef INCLUDE_3C529
|
|
427
|
|
- int curboard;
|
|
428
|
|
-#endif
|
|
429
|
|
-
|
|
430
|
|
- id_port = EP_ID_PORT;
|
|
431
|
|
- ep_current_tag = EP_LAST_TAG + 1;
|
|
432
|
|
-
|
|
433
|
|
- /*********************************************************
|
|
434
|
|
- Search for 3Com 509 card
|
|
435
|
|
- ***********************************************************/
|
|
436
|
|
-#ifdef INCLUDE_3C529
|
|
437
|
|
- /*
|
|
438
|
|
- * XXX: We should really check to make sure we have an MCA
|
|
439
|
|
- * bus controller before going ahead with this...
|
|
440
|
|
- *
|
|
441
|
|
- * For now, we avoid any hassle by making it a compile
|
|
442
|
|
- * time option.
|
|
443
|
|
- *
|
|
444
|
|
- */
|
|
445
|
|
- /* printf("\nWarning: Assuming presence of MCA bus\n"); */
|
|
446
|
|
-
|
|
447
|
|
- /* Make sure motherboard setup is off */
|
|
448
|
|
- outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
|
|
449
|
|
-
|
|
450
|
|
- /* Cycle through slots */
|
|
451
|
|
- for(curboard=0; curboard<MCA_MAX_SLOT_NR; curboard++) {
|
|
452
|
|
- int boardid;
|
|
453
|
|
- int curcard;
|
|
454
|
|
-
|
|
455
|
|
- outb_p(0x8|(curboard&0xf), MCA_ADAPTER_SETUP_REG);
|
|
456
|
|
-
|
|
457
|
|
- boardid = inb_p(MCA_POS_REG(0));
|
|
458
|
|
- boardid += inb_p(MCA_POS_REG(1)) << 8;
|
|
459
|
|
-
|
|
460
|
|
- curcard = 0;
|
|
461
|
|
- while (el3_mca_adapters[curcard].name) {
|
|
462
|
|
- if (el3_mca_adapters[curcard].id == boardid) {
|
|
463
|
|
- mcafound = &el3_mca_adapters[curcard];
|
|
464
|
|
-
|
|
465
|
|
- mca_pos4 = inb_p(MCA_POS_REG(4));
|
|
466
|
|
- mca_pos5 = inb_p(MCA_POS_REG(5));
|
|
467
|
|
-
|
|
468
|
|
- goto donewithdetect;
|
|
469
|
|
- }
|
|
470
|
|
- else
|
|
471
|
|
- curcard++;
|
|
472
|
|
- }
|
|
|
123
|
+ uint16_t iobase;
|
|
473
|
124
|
|
|
|
125
|
+ /*
|
|
|
126
|
+ * If this is the start of the scan, find an id_port and clear
|
|
|
127
|
+ * all tag registers. Otherwise, tell already-found NICs not
|
|
|
128
|
+ * to respond.
|
|
|
129
|
+ *
|
|
|
130
|
+ */
|
|
|
131
|
+ if ( t509->current_tag == 0 ) {
|
|
|
132
|
+ if ( ! find_id_port ( t509 ) ) {
|
|
|
133
|
+ DBG ( "No ID port available for contention select\n" );
|
|
|
134
|
+ return 0;
|
|
474
|
135
|
}
|
|
475
|
|
- donewithdetect:
|
|
476
|
|
- /* Kill all setup modes */
|
|
477
|
|
- outb_p(0, MCA_ADAPTER_SETUP_REG);
|
|
478
|
|
-
|
|
479
|
|
- if (mcafound) {
|
|
480
|
|
- eth_nic_base = ((short)((mca_pos4&0xfc)|0x02)) << 8;
|
|
481
|
|
- mca_irq = mca_pos5 & 0x0f;
|
|
482
|
|
- ep_current_tag--;
|
|
483
|
|
- }
|
|
484
|
|
- else
|
|
485
|
|
- /*printf("MCA Card not found\n")*/;
|
|
486
|
|
-#endif
|
|
487
|
|
- /* Look for the EISA boards, leave them activated */
|
|
488
|
|
- /* search for the first card, ignore all others */
|
|
489
|
|
- for(j = 1; j < 16; j++) {
|
|
490
|
|
- io_base = (j * EP_EISA_START) | EP_EISA_W0;
|
|
491
|
|
- if (inw(io_base + EP_W0_MFG_ID) != MFG_ID)
|
|
492
|
|
- continue;
|
|
493
|
|
-
|
|
494
|
|
- /* we must have found 0x1f if the board is EISA configurated */
|
|
495
|
|
- if ((inw(io_base + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
|
|
496
|
|
- continue;
|
|
497
|
|
-
|
|
498
|
|
- /* Reset and Enable the card */
|
|
499
|
|
- outb(W0_P4_CMD_RESET_ADAPTER, io_base + EP_W0_CONFIG_CTRL);
|
|
500
|
|
- udelay(1000); /* Must wait 800 µs, be conservative */
|
|
501
|
|
- outb(W0_P4_CMD_ENABLE_ADAPTER, io_base + EP_W0_CONFIG_CTRL);
|
|
502
|
|
-
|
|
503
|
|
- /*
|
|
504
|
|
- * Once activated, all the registers are mapped in the range
|
|
505
|
|
- * x000 - x00F, where x is the slot number.
|
|
506
|
|
- */
|
|
507
|
|
- eth_nic_base = j * EP_EISA_START;
|
|
508
|
|
- break;
|
|
|
136
|
+ outb ( 0xd0, t509->id_port );
|
|
|
137
|
+ } else {
|
|
|
138
|
+ outb ( 0xd8, t509->id_port ) ;
|
|
509
|
139
|
}
|
|
510
|
|
- ep_current_tag--;
|
|
511
|
|
-
|
|
512
|
|
- /* Look for the ISA boards. Init and leave them actived */
|
|
513
|
|
- /* search for the first card, ignore all others */
|
|
514
|
|
- outb(0xc0, id_port); /* Global reset */
|
|
515
|
|
- udelay(1000); /* wait 1 ms */
|
|
516
|
|
- for (i = 0; i < EP_MAX_BOARDS; i++) {
|
|
517
|
|
- outb(0, id_port);
|
|
518
|
|
- outb(0, id_port);
|
|
519
|
|
- send_ID_sequence(id_port);
|
|
520
|
|
-
|
|
521
|
|
- data = get_eeprom_data(id_port, EEPROM_MFG_ID);
|
|
522
|
|
- if (data != MFG_ID)
|
|
523
|
|
- break;
|
|
524
|
|
-
|
|
525
|
|
- /* resolve contention using the Ethernet address */
|
|
526
|
|
- for (j = 0; j < 3; j++)
|
|
527
|
|
- data = get_eeprom_data(id_port, j);
|
|
528
|
|
-
|
|
529
|
|
- eth_nic_base =
|
|
530
|
|
- (get_eeprom_data(id_port, EEPROM_ADDR_CFG) & 0x1f) * 0x10 + 0x200;
|
|
531
|
|
- outb(ep_current_tag, id_port); /* tags board */
|
|
532
|
|
- outb(ACTIVATE_ADAPTER_TO_CONFIG, id_port);
|
|
533
|
|
- ep_current_tag--;
|
|
534
|
|
- break;
|
|
|
140
|
+
|
|
|
141
|
+ /* Send the ID sequence */
|
|
|
142
|
+ send_id_sequence ( t509 );
|
|
|
143
|
+
|
|
|
144
|
+ /* Check the manufacturer ID */
|
|
|
145
|
+ if ( id_read_eeprom ( t509, EEPROM_MFG_ID ) != MFG_ID ) {
|
|
|
146
|
+ /* No more t509 devices */
|
|
|
147
|
+ return 0;
|
|
535
|
148
|
}
|
|
536
|
149
|
|
|
537
|
|
- if (i >= EP_MAX_BOARDS)
|
|
538
|
|
- goto no3c509;
|
|
539
|
|
-
|
|
540
|
|
- /*
|
|
541
|
|
- * The iobase was found and MFG_ID was 0x6d50. PROD_ID should be
|
|
542
|
|
- * 0x9[0-f]50
|
|
543
|
|
- */
|
|
544
|
|
- GO_WINDOW(0);
|
|
545
|
|
- k = get_e(EEPROM_PROD_ID);
|
|
546
|
|
-#ifdef INCLUDE_3C529
|
|
547
|
|
- /*
|
|
548
|
|
- * On MCA, the PROD_ID matches the MCA card ID (POS0+POS1)
|
|
549
|
|
- */
|
|
550
|
|
- if (mcafound) {
|
|
551
|
|
- if (mcafound->id != k) {
|
|
552
|
|
- printf("MCA: PROD_ID in EEPROM does not match MCA card ID! (%hX != %hX)\n", k, mcafound->id);
|
|
553
|
|
- goto no3c509;
|
|
554
|
|
- }
|
|
555
|
|
- } else { /* for ISA/EISA */
|
|
556
|
|
- if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
|
|
557
|
|
- goto no3c509;
|
|
|
150
|
+ /* Do contention select by reading the MAC address */
|
|
|
151
|
+ for ( i = 0 ; i < 3 ; i++ ) {
|
|
|
152
|
+ id_read_eeprom ( t509, i );
|
|
558
|
153
|
}
|
|
559
|
|
-#else
|
|
560
|
|
- if ((k & 0xf0ff) != (PROD_ID & 0xf0ff))
|
|
561
|
|
- goto no3c509;
|
|
562
|
|
-#endif
|
|
563
|
|
-
|
|
564
|
|
-#ifdef INCLUDE_3C529
|
|
565
|
|
- if (mcafound) {
|
|
566
|
|
- printf("%s board found on MCA at %#hx IRQ %d -",
|
|
567
|
|
- mcafound->name, eth_nic_base, mca_irq);
|
|
568
|
|
- } else {
|
|
569
|
|
-#endif
|
|
570
|
|
- if(eth_nic_base >= EP_EISA_START)
|
|
571
|
|
- printf("3C5x9 board on EISA at %#hx - ",eth_nic_base);
|
|
572
|
|
- else
|
|
573
|
|
- printf("3C5x9 board on ISA at %#hx - ",eth_nic_base);
|
|
574
|
|
-#ifdef INCLUDE_3C529
|
|
|
154
|
+
|
|
|
155
|
+ /* By now, only one device will be left active. Get its I/O
|
|
|
156
|
+ * address, tag and activate the adaptor. Tagging will
|
|
|
157
|
+ * prevent it taking part in the next scan, enabling us to see
|
|
|
158
|
+ * the next device.
|
|
|
159
|
+ */
|
|
|
160
|
+ iobase = id_read_eeprom ( t509, EEPROM_ADDR_CFG );
|
|
|
161
|
+ t509->ioaddr = 0x200 + ( ( iobase & 0x1f ) << 4 );
|
|
|
162
|
+ outb ( ++t509->current_tag, t509->id_port ); /* tag */
|
|
|
163
|
+ outb ( ( 0xe0 | iobase ), t509->id_port ); /* activate */
|
|
|
164
|
+
|
|
|
165
|
+ return 1;
|
|
|
166
|
+}
|
|
|
167
|
+
|
|
|
168
|
+/*
|
|
|
169
|
+ * Obtain a struct t509_device * from a struct dev *
|
|
|
170
|
+ *
|
|
|
171
|
+ * If dev has not previously been used for a PCI device scan, blank
|
|
|
172
|
+ * out struct t509_device
|
|
|
173
|
+ */
|
|
|
174
|
+static struct t509_device * t509_device ( struct dev *dev ) {
|
|
|
175
|
+ struct t509_device *t509 = dev->bus;
|
|
|
176
|
+
|
|
|
177
|
+ if ( t509->magic != t509_magic ) {
|
|
|
178
|
+ memset ( t509, 0, sizeof ( *t509 ) );
|
|
|
179
|
+ t509->magic = t509_magic;
|
|
575
|
180
|
}
|
|
576
|
|
-#endif
|
|
577
|
|
-
|
|
578
|
|
- /* test for presence of connectors */
|
|
579
|
|
- i = inw(IS_BASE + EP_W0_CONFIG_CTRL);
|
|
580
|
|
- j = (inw(IS_BASE + EP_W0_ADDRESS_CFG) >> 14) & 0x3;
|
|
581
|
|
-
|
|
582
|
|
- switch(j) {
|
|
583
|
|
- case 0:
|
|
584
|
|
- if (i & IS_UTP) {
|
|
585
|
|
- printf("10baseT\n");
|
|
586
|
|
- connector = utp;
|
|
587
|
|
- }
|
|
588
|
|
- else {
|
|
589
|
|
- printf("10baseT not present\n");
|
|
590
|
|
- goto no3c509;
|
|
591
|
|
- }
|
|
592
|
|
- break;
|
|
593
|
|
- case 1:
|
|
594
|
|
- if (i & IS_AUI)
|
|
595
|
|
- printf("10base5\n");
|
|
596
|
|
- else {
|
|
597
|
|
- printf("10base5 not present\n");
|
|
598
|
|
- goto no3c509;
|
|
599
|
|
- }
|
|
600
|
|
- break;
|
|
601
|
|
- case 3:
|
|
602
|
|
- if (i & IS_BNC) {
|
|
603
|
|
- printf("10base2\n");
|
|
604
|
|
- connector = bnc;
|
|
605
|
|
- }
|
|
606
|
|
- else {
|
|
607
|
|
- printf("10base2 not present\n");
|
|
608
|
|
- goto no3c509;
|
|
609
|
|
- }
|
|
610
|
|
- break;
|
|
611
|
|
- default:
|
|
612
|
|
- printf("unknown connector\n");
|
|
613
|
|
- goto no3c509;
|
|
614
|
|
- }
|
|
615
|
|
- /*
|
|
616
|
|
- * Read the station address from the eeprom
|
|
617
|
|
- */
|
|
618
|
|
- p = (unsigned short *) nic->node_addr;
|
|
619
|
|
- for (i = 0; i < ETH_ALEN / 2; i++) {
|
|
620
|
|
- GO_WINDOW(0);
|
|
621
|
|
- p[i] = htons(get_e(i));
|
|
622
|
|
- GO_WINDOW(2);
|
|
623
|
|
- outw(ntohs(p[i]), BASE + EP_W2_ADDR_0 + (i * 2));
|
|
|
181
|
+ t509->dev = dev;
|
|
|
182
|
+ return t509;
|
|
|
183
|
+}
|
|
|
184
|
+
|
|
|
185
|
+/*
|
|
|
186
|
+ * Find a t509 device matching the specified driver. ("Matching the
|
|
|
187
|
+ * specified driver" is, in this case, a no-op, but we want to
|
|
|
188
|
+ * preserve the common bus API).
|
|
|
189
|
+ *
|
|
|
190
|
+ */
|
|
|
191
|
+static int find_t509_device ( struct t509_device *t509,
|
|
|
192
|
+ struct t509_driver *driver ) {
|
|
|
193
|
+ /* Find the next t509 device */
|
|
|
194
|
+ if ( ! fill_t509_device ( t509 ) )
|
|
|
195
|
+ return 0;
|
|
|
196
|
+
|
|
|
197
|
+ /* Fill in dev structure, if present */
|
|
|
198
|
+ if ( t509->dev ) {
|
|
|
199
|
+ t509->dev->name = driver->name;
|
|
|
200
|
+ t509->dev->devid.bus_type = ISA_BUS_TYPE;
|
|
|
201
|
+ t509->dev->devid.vendor_id = MFG_ID;
|
|
|
202
|
+ t509->dev->devid.device_id = PROD_ID;
|
|
624
|
203
|
}
|
|
625
|
|
- printf("Ethernet address: %!\n", nic->node_addr);
|
|
626
|
|
- t509_reset(nic);
|
|
627
|
|
-
|
|
628
|
|
- nic->irqno = 0;
|
|
629
|
|
- nic->ioaddr = eth_nic_base;
|
|
630
|
|
-static struct nic_operations t509_operations;
|
|
631
|
|
-static struct nic_operations t509_operations = {
|
|
632
|
|
- .connect = dummy_connect,
|
|
633
|
|
- .poll = t509_poll,
|
|
634
|
|
- .transmit = t509_transmit,
|
|
635
|
|
- .irq = t509_irq,
|
|
636
|
|
- .disable = t509_disable,
|
|
637
|
|
-};
|
|
638
|
|
- nic->nic_op = &t509_operations;
|
|
639
|
204
|
|
|
640
|
|
- /* Based on PnP ISA map */
|
|
641
|
|
- dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR);
|
|
642
|
|
- dev->devid.device_id = htons(0x80f7);
|
|
643
|
205
|
return 1;
|
|
644
|
|
-no3c509:
|
|
645
|
|
- continue;
|
|
646
|
|
- /* printf("(probe fail)"); */
|
|
647
|
|
- }
|
|
648
|
|
- return 0;
|
|
649
|
206
|
}
|
|
650
|
207
|
|
|
651
|
|
-#ifdef INCLUDE_3C509
|
|
652
|
|
-static struct isa_driver t509_driver __isa_driver = {
|
|
653
|
|
- .type = NIC_DRIVER,
|
|
654
|
|
- .name = "3C509",
|
|
655
|
|
- .probe = t509_probe,
|
|
656
|
|
- .ioaddrs = 0,
|
|
657
|
|
-};
|
|
658
|
|
-ISA_ROM("3c509","3c509, ISA/EISA");
|
|
659
|
|
-#endif
|
|
660
|
|
-
|
|
661
|
|
-#ifdef INCLUDE_3C529
|
|
662
|
|
-static struct isa_driver t529_driver __isa_driver = {
|
|
663
|
|
- .type = NIC_DRIVER,
|
|
664
|
|
- .name = "3C529",
|
|
665
|
|
- .probe = t529_probe,
|
|
666
|
|
- .ioaddrs = 0,
|
|
|
208
|
+/*
|
|
|
209
|
+ * The ISA probe function
|
|
|
210
|
+ *
|
|
|
211
|
+ */
|
|
|
212
|
+static struct t509_driver el3_t509_driver = { "3c509 (ISA)" };
|
|
|
213
|
+
|
|
|
214
|
+static int el3_t509_probe ( struct dev *dev ) {
|
|
|
215
|
+ struct nic *nic = nic_device ( dev );
|
|
|
216
|
+ struct t509_device *t509 = t509_device ( dev );
|
|
|
217
|
+
|
|
|
218
|
+ if ( ! find_t509_device ( t509, &el3_t509_driver ) )
|
|
|
219
|
+ return 0;
|
|
|
220
|
+
|
|
|
221
|
+ nic->ioaddr = t509->ioaddr;
|
|
|
222
|
+ nic->irqno = 0;
|
|
|
223
|
+ printf ( "3C5x9 board on ISA at %#hx - ", nic->ioaddr );
|
|
|
224
|
+
|
|
|
225
|
+ /* Hand off to generic t5x9 probe routine */
|
|
|
226
|
+ return t5x9_probe ( nic, ISA_PROD_ID ( PROD_ID ), ISA_PROD_ID_MASK );
|
|
|
227
|
+}
|
|
|
228
|
+
|
|
|
229
|
+BOOT_DRIVER ( "3c509", el3_t509_probe );
|
|
|
230
|
+
|
|
|
231
|
+/*
|
|
|
232
|
+ * The 3c509 driver also supports EISA cards
|
|
|
233
|
+ *
|
|
|
234
|
+ */
|
|
|
235
|
+static struct eisa_id el3_eisa_adapters[] = {
|
|
|
236
|
+ { "3Com 3c509 EtherLink III (EISA)", MFG_ID, PROD_ID },
|
|
667
|
237
|
};
|
|
668
|
|
-ISA_ROM("3c529","3c529 == MCA 3c509");
|
|
669
|
|
-#endif
|
|
|
238
|
+
|
|
|
239
|
+static struct eisa_driver el3_eisa_driver =
|
|
|
240
|
+ EISA_DRIVER ( "3c509 (EISA)", el3_eisa_adapters );
|
|
|
241
|
+
|
|
|
242
|
+static int el3_eisa_probe ( struct dev *dev ) {
|
|
|
243
|
+ struct nic *nic = nic_device ( dev );
|
|
|
244
|
+ struct eisa_device *eisa = eisa_device ( dev );
|
|
|
245
|
+
|
|
|
246
|
+ if ( ! find_eisa_device ( eisa, &el3_eisa_driver ) )
|
|
|
247
|
+ return 0;
|
|
|
248
|
+
|
|
|
249
|
+ enable_eisa_device ( eisa );
|
|
|
250
|
+ nic->ioaddr = eisa->ioaddr;
|
|
|
251
|
+ nic->irqno = 0;
|
|
|
252
|
+ printf ( "3C5x9 board on EISA at %#hx - ", nic->ioaddr );
|
|
|
253
|
+
|
|
|
254
|
+ /* Hand off to generic t5x9 probe routine */
|
|
|
255
|
+ return t5x9_probe ( nic, ISA_PROD_ID ( PROD_ID ), ISA_PROD_ID_MASK );
|
|
|
256
|
+}
|
|
|
257
|
+
|
|
|
258
|
+BOOT_DRIVER ( "3c509 (EISA)", el3_eisa_probe );
|
|
670
|
259
|
|
|
671
|
260
|
/*
|
|
672
|
|
- * Local variables:
|
|
673
|
|
- * c-basic-offset: 8
|
|
674
|
|
- * End:
|
|
|
261
|
+ * We currently build both ISA and EISA support into a single ROM
|
|
|
262
|
+ * image, though there's no reason why this couldn't be split to
|
|
|
263
|
+ * reduce code size; just split this .c file into two in the obvious
|
|
|
264
|
+ * place.
|
|
|
265
|
+ *
|
|
675
|
266
|
*/
|
|
|
267
|
+ISA_ROM ( "3c509","3c509, ISA/EISA" );
|
|
|
268
|
+
|
Michael Brown
20 years ago