mirror of
https://github.com/xcat2/xNBA.git
synced 2025-01-19 05:53:16 +00:00
Updated to common ISA bus API.
This commit is contained in:
Michael Brown
parent
9eac705dd2
commit
a80fe976ed
@ -27,7 +27,6 @@
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*
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*---------------------------------------------------------------------------*/
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#define LINUX_OUT_MACROS 1
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#define SMC9000_VERBOSE 1
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#define SMC9000_DEBUG 0
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#include "etherboot.h"
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@ -39,7 +38,6 @@
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# define _outw outw
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static const char smc9000_version[] = "Version 0.99 98-09-30";
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static unsigned int smc9000_base=0;
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static const char *interfaces[ 2 ] = { "TP", "AUI" };
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static const char *chip_ids[ 15 ] = {
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NULL, NULL, NULL,
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@ -97,11 +95,11 @@ static void smc_reset(int ioaddr)
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/*----------------------------------------------------------------------
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* Function: smc_probe( int ioaddr )
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* Function: smc9000_probe_addr( int ioaddr )
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*
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* Purpose:
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* Tests to see if a given ioaddr points to an SMC9xxx chip.
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* Returns a 0 on success
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* Returns a 1 on success
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*
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* Algorithm:
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* (1) see if the high byte of BANK_SELECT is 0x33
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@ -110,7 +108,7 @@ static void smc_reset(int ioaddr)
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*
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* ---------------------------------------------------------------------
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*/
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static int smc_probe( int ioaddr )
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static int smc9000_probe_addr( unsigned short ioaddr )
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{
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word bank;
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word revision_register;
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@ -119,14 +117,14 @@ static int smc_probe( int ioaddr )
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/* First, see if the high byte is 0x33 */
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bank = inw(ioaddr + BANK_SELECT);
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if ((bank & 0xFF00) != 0x3300) {
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return -1;
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return 0;
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}
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/* The above MIGHT indicate a device, but I need to write to further
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* test this. */
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_outw(0x0, ioaddr + BANK_SELECT);
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bank = inw(ioaddr + BANK_SELECT);
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if ((bank & 0xFF00) != 0x3300) {
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return -1;
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return 0;
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}
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/* well, we've already written once, so hopefully another time won't
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@ -136,14 +134,12 @@ static int smc_probe( int ioaddr )
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base_address_register = inw(ioaddr + BASE);
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if (ioaddr != (base_address_register >> 3 & 0x3E0)) {
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#ifdef SMC9000_VERBOSE
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printf("SMC9000: IOADDR %hX doesn't match configuration (%hX)."
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"Probably not a SMC chip\n",
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ioaddr, base_address_register >> 3 & 0x3E0);
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#endif
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DBG("SMC9000: IOADDR %hX doesn't match configuration (%hX)."
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"Probably not a SMC chip\n",
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ioaddr, base_address_register >> 3 & 0x3E0);
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/* well, the base address register didn't match. Must not have
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* been a SMC chip after all. */
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return -1;
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return 0;
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}
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@ -154,17 +150,15 @@ static int smc_probe( int ioaddr )
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revision_register = inw(ioaddr + REVISION);
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if (!chip_ids[(revision_register >> 4) & 0xF]) {
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/* I don't recognize this chip, so... */
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#ifdef SMC9000_VERBOSE
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printf("SMC9000: IO %hX: Unrecognized revision register:"
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" %hX, Contact author.\n", ioaddr, revision_register);
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#endif
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return -1;
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DBG( "SMC9000: IO %hX: Unrecognized revision register:"
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" %hX, Contact author.\n", ioaddr, revision_register );
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return 0;
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}
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/* at this point I'll assume that the chip is an SMC9xxx.
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* It might be prudent to check a listing of MAC addresses
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* against the hardware address, or do some other tests. */
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return 0;
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return 1;
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}
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@ -192,25 +186,23 @@ static void smc9000_transmit(
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numPages = length / 256;
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if (numPages > 7 ) {
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#ifdef SMC9000_VERBOSE
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printf("SMC9000: Far too big packet error. \n");
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#endif
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DBG("SMC9000: Far too big packet error. \n");
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return;
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}
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/* dont try more than, say 30 times */
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for (i=0;i<30;i++) {
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/* now, try to allocate the memory */
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SMC_SELECT_BANK(smc9000_base, 2);
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_outw(MC_ALLOC | numPages, smc9000_base + MMU_CMD);
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SMC_SELECT_BANK(nic->ioaddr, 2);
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_outw(MC_ALLOC | numPages, nic->ioaddr + MMU_CMD);
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status = 0;
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/* wait for the memory allocation to finnish */
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for (time_out = currticks() + 5*TICKS_PER_SEC; currticks() < time_out; ) {
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status = inb(smc9000_base + INTERRUPT);
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status = inb(nic->ioaddr + INTERRUPT);
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if ( status & IM_ALLOC_INT ) {
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/* acknowledge the interrupt */
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_outb(IM_ALLOC_INT, smc9000_base + INTERRUPT);
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_outb(IM_ALLOC_INT, nic->ioaddr + INTERRUPT);
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break;
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}
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}
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@ -220,12 +212,12 @@ static void smc9000_transmit(
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break;
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} else {
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printf("SMC9000: Memory allocation timed out, resetting MMU.\n");
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_outw(MC_RESET, smc9000_base + MMU_CMD);
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_outw(MC_RESET, nic->ioaddr + MMU_CMD);
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}
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}
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/* If I get here, I _know_ there is a packet slot waiting for me */
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packet_no = inb(smc9000_base + PNR_ARR + 1);
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packet_no = inb(nic->ioaddr + PNR_ARR + 1);
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if (packet_no & 0x80) {
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/* or isn't there? BAD CHIP! */
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printf("SMC9000: Memory allocation failed. \n");
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@ -233,10 +225,10 @@ static void smc9000_transmit(
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}
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/* we have a packet address, so tell the card to use it */
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_outb(packet_no, smc9000_base + PNR_ARR);
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_outb(packet_no, nic->ioaddr + PNR_ARR);
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/* point to the beginning of the packet */
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_outw(PTR_AUTOINC, smc9000_base + POINTER);
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_outw(PTR_AUTOINC, nic->ioaddr + POINTER);
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#if SMC9000_DEBUG > 2
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printf("Trying to xmit packet of length %hX\n", length );
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@ -244,73 +236,71 @@ static void smc9000_transmit(
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/* send the packet length ( +6 for status, length and ctl byte )
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* and the status word ( set to zeros ) */
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_outw(0, smc9000_base + DATA_1 );
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_outw(0, nic->ioaddr + DATA_1 );
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/* send the packet length ( +6 for status words, length, and ctl) */
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_outb((length+6) & 0xFF, smc9000_base + DATA_1);
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_outb((length+6) >> 8 , smc9000_base + DATA_1);
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_outb((length+6) & 0xFF, nic->ioaddr + DATA_1);
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_outb((length+6) >> 8 , nic->ioaddr + DATA_1);
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/* Write the contents of the packet */
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/* The ethernet header first... */
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outsw(smc9000_base + DATA_1, d, ETH_ALEN >> 1);
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outsw(smc9000_base + DATA_1, nic->node_addr, ETH_ALEN >> 1);
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_outw(htons(t), smc9000_base + DATA_1);
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outsw(nic->ioaddr + DATA_1, d, ETH_ALEN >> 1);
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outsw(nic->ioaddr + DATA_1, nic->node_addr, ETH_ALEN >> 1);
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_outw(htons(t), nic->ioaddr + DATA_1);
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/* ... the data ... */
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outsw(smc9000_base + DATA_1 , p, s >> 1);
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outsw(nic->ioaddr + DATA_1 , p, s >> 1);
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/* ... and the last byte, if there is one. */
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if ((s & 1) == 0) {
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_outw(0, smc9000_base + DATA_1);
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_outw(0, nic->ioaddr + DATA_1);
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} else {
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_outb(p[s-1], smc9000_base + DATA_1);
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_outb(0x20, smc9000_base + DATA_1);
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_outb(p[s-1], nic->ioaddr + DATA_1);
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_outb(0x20, nic->ioaddr + DATA_1);
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}
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/* and let the chipset deal with it */
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_outw(MC_ENQUEUE , smc9000_base + MMU_CMD);
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_outw(MC_ENQUEUE , nic->ioaddr + MMU_CMD);
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status = 0; time_out = currticks() + 5*TICKS_PER_SEC;
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do {
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status = inb(smc9000_base + INTERRUPT);
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status = inb(nic->ioaddr + INTERRUPT);
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if ((status & IM_TX_INT ) != 0) {
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word tx_status;
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/* ack interrupt */
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_outb(IM_TX_INT, smc9000_base + INTERRUPT);
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_outb(IM_TX_INT, nic->ioaddr + INTERRUPT);
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packet_no = inw(smc9000_base + FIFO_PORTS);
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packet_no = inw(nic->ioaddr + FIFO_PORTS);
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packet_no &= 0x7F;
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/* select this as the packet to read from */
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_outb( packet_no, smc9000_base + PNR_ARR );
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_outb( packet_no, nic->ioaddr + PNR_ARR );
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/* read the first word from this packet */
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_outw( PTR_AUTOINC | PTR_READ, smc9000_base + POINTER );
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_outw( PTR_AUTOINC | PTR_READ, nic->ioaddr + POINTER );
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tx_status = inw( smc9000_base + DATA_1 );
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tx_status = inw( nic->ioaddr + DATA_1 );
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if (0 == (tx_status & TS_SUCCESS)) {
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#ifdef SMC9000_VERBOSE
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printf("SMC9000: TX FAIL STATUS: %hX \n", tx_status);
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#endif
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DBG("SMC9000: TX FAIL STATUS: %hX \n", tx_status);
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/* re-enable transmit */
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SMC_SELECT_BANK(smc9000_base, 0);
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_outw(inw(smc9000_base + TCR ) | TCR_ENABLE, smc9000_base + TCR );
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SMC_SELECT_BANK(nic->ioaddr, 0);
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_outw(inw(nic->ioaddr + TCR ) | TCR_ENABLE, nic->ioaddr + TCR );
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}
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/* kill the packet */
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SMC_SELECT_BANK(smc9000_base, 2);
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_outw(MC_FREEPKT, smc9000_base + MMU_CMD);
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SMC_SELECT_BANK(nic->ioaddr, 2);
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_outw(MC_FREEPKT, nic->ioaddr + MMU_CMD);
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return;
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}
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}while(currticks() < time_out);
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printf("SMC9000: Waring TX timed out, resetting board\n");
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smc_reset(smc9000_base);
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printf("SMC9000: TX timed out, resetting board\n");
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smc_reset(nic->ioaddr);
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return;
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}
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@ -319,22 +309,19 @@ static void smc9000_transmit(
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***************************************************************************/
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static int smc9000_poll(struct nic *nic, int retrieve)
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{
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if(!smc9000_base)
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return 0;
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SMC_SELECT_BANK(smc9000_base, 2);
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if (inw(smc9000_base + FIFO_PORTS) & FP_RXEMPTY)
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SMC_SELECT_BANK(nic->ioaddr, 2);
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if (inw(nic->ioaddr + FIFO_PORTS) & FP_RXEMPTY)
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return 0;
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if ( ! retrieve ) return 1;
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/* start reading from the start of the packet */
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_outw(PTR_READ | PTR_RCV | PTR_AUTOINC, smc9000_base + POINTER);
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_outw(PTR_READ | PTR_RCV | PTR_AUTOINC, nic->ioaddr + POINTER);
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/* First read the status and check that we're ok */
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if (!(inw(smc9000_base + DATA_1) & RS_ERRORS)) {
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if (!(inw(nic->ioaddr + DATA_1) & RS_ERRORS)) {
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/* Next: read the packet length and mask off the top bits */
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nic->packetlen = (inw(smc9000_base + DATA_1) & 0x07ff);
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nic->packetlen = (inw(nic->ioaddr + DATA_1) & 0x07ff);
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/* the packet length includes the 3 extra words */
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nic->packetlen -= 6;
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@ -343,36 +330,33 @@ static int smc9000_poll(struct nic *nic, int retrieve)
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(nic->packetlen >> 1), nic->packetlen & 1);
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#endif
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/* read the packet (and the last "extra" word) */
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insw(smc9000_base + DATA_1, nic->packet, (nic->packetlen+2) >> 1);
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insw(nic->ioaddr + DATA_1, nic->packet, (nic->packetlen+2) >> 1);
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/* is there an odd last byte ? */
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if (nic->packet[nic->packetlen+1] & 0x20)
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nic->packetlen++;
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/* error or good, tell the card to get rid of this packet */
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_outw(MC_RELEASE, smc9000_base + MMU_CMD);
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_outw(MC_RELEASE, nic->ioaddr + MMU_CMD);
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return 1;
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}
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printf("SMC9000: RX error\n");
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/* error or good, tell the card to get rid of this packet */
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_outw(MC_RELEASE, smc9000_base + MMU_CMD);
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_outw(MC_RELEASE, nic->ioaddr + MMU_CMD);
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return 0;
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}
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static void smc9000_disable ( struct nic *nic __unused ) {
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if(!smc9000_base)
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return;
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smc_reset(smc9000_base);
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static void smc9000_disable ( struct nic *nic ) {
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smc_reset(nic->ioaddr);
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/* no more interrupts for me */
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SMC_SELECT_BANK(smc9000_base, 2);
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_outb( 0, smc9000_base + INT_MASK);
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SMC_SELECT_BANK(nic->ioaddr, 2);
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_outb( 0, nic->ioaddr + INT_MASK);
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/* and tell the card to stay away from that nasty outside world */
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SMC_SELECT_BANK(smc9000_base, 0);
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_outb( RCR_CLEAR, smc9000_base + RCR );
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_outb( TCR_CLEAR, smc9000_base + TCR );
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SMC_SELECT_BANK(nic->ioaddr, 0);
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_outb( RCR_CLEAR, nic->ioaddr + RCR );
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_outb( TCR_CLEAR, nic->ioaddr + TCR );
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}
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static void smc9000_irq(struct nic *nic __unused, irq_action_t action __unused)
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@ -387,13 +371,20 @@ static void smc9000_irq(struct nic *nic __unused, irq_action_t action __unused)
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}
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}
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static struct nic_operations smc9000_operations = {
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.connect = dummy_connect,
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.poll = smc9000_poll,
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.transmit = smc9000_transmit,
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.irq = smc9000_irq,
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.disable = smc9000_disable,
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};
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/**************************************************************************
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* ETH_PROBE - Look for an adapter
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***************************************************************************/
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static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
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{
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struct nic *nic = (struct nic *)dev;
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static int smc9000_probe ( struct dev *dev, struct isa_device *isa ) {
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struct nic *nic = nic_device ( dev );
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unsigned short revision;
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int memory;
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int media;
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@ -401,63 +392,33 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
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const char * if_string;
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int i;
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/*
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* the SMC9000 can be at any of the following port addresses. To change,
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* for a slightly different card, you can add it to the array. Keep in
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* mind that the array must end in zero.
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*/
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static unsigned short portlist[] = {
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#ifdef SMC9000_SCAN
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SMC9000_SCAN,
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#else
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0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0,
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0x300, 0x320, 0x340, 0x360, 0x380, 0x3A0, 0x3C0, 0x3E0,
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#endif
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0 };
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/* if no addresses supplied, fall back on defaults */
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if (probe_addrs == 0 || probe_addrs[0] == 0)
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probe_addrs = portlist;
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/* check every ethernet address */
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for (i = 0; probe_addrs[i]; i++) {
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/* check this specific address */
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if (smc_probe(probe_addrs[i]) == 0)
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smc9000_base = probe_addrs[i];
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}
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/* couldn't find anything */
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if(0 == smc9000_base)
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goto out;
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nic->irqno = 0;
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nic->ioaddr = smc9000_base;
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nic->ioaddr = isa->ioaddr;
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/*
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* Get the MAC address ( bank 1, regs 4 - 9 )
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*/
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SMC_SELECT_BANK(smc9000_base, 1);
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SMC_SELECT_BANK(nic->ioaddr, 1);
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for ( i = 0; i < 6; i += 2 ) {
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word address;
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address = inw(smc9000_base + ADDR0 + i);
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address = inw(nic->ioaddr + ADDR0 + i);
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nic->node_addr[i+1] = address >> 8;
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nic->node_addr[i] = address & 0xFF;
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}
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/* get the memory information */
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SMC_SELECT_BANK(smc9000_base, 0);
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memory = ( inw(smc9000_base + MCR) >> 9 ) & 0x7; /* multiplier */
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memory *= 256 * (inw(smc9000_base + MIR) & 0xFF);
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SMC_SELECT_BANK(nic->ioaddr, 0);
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memory = ( inw(nic->ioaddr + MCR) >> 9 ) & 0x7; /* multiplier */
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memory *= 256 * (inw(nic->ioaddr + MIR) & 0xFF);
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/*
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* Now, I want to find out more about the chip. This is sort of
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* redundant, but it's cleaner to have it in both, rather than having
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* one VERY long probe procedure.
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*/
|
||||
SMC_SELECT_BANK(smc9000_base, 3);
|
||||
revision = inw(smc9000_base + REVISION);
|
||||
SMC_SELECT_BANK(nic->ioaddr, 3);
|
||||
revision = inw(nic->ioaddr + REVISION);
|
||||
version_string = chip_ids[(revision >> 4) & 0xF];
|
||||
|
||||
if (((revision & 0xF0) >> 4 == CHIP_9196) &&
|
||||
@ -469,12 +430,12 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
|
||||
|
||||
if ( !version_string ) {
|
||||
/* I shouldn't get here because this call was done before.... */
|
||||
goto out;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* is it using AUI or 10BaseT ? */
|
||||
SMC_SELECT_BANK(smc9000_base, 1);
|
||||
if (inw(smc9000_base + CONFIG) & CFG_AUI_SELECT)
|
||||
SMC_SELECT_BANK(nic->ioaddr, 1);
|
||||
if (inw(nic->ioaddr + CONFIG) & CFG_AUI_SELECT)
|
||||
media = 2;
|
||||
else
|
||||
media = 1;
|
||||
@ -482,67 +443,63 @@ static int smc9000_probe(struct dev *dev, unsigned short *probe_addrs)
|
||||
if_string = interfaces[media - 1];
|
||||
|
||||
/* now, reset the chip, and put it into a known state */
|
||||
smc_reset(smc9000_base);
|
||||
smc_reset(nic->ioaddr);
|
||||
|
||||
printf("SMC9000 %s\n", smc9000_version);
|
||||
#ifdef SMC9000_VERBOSE
|
||||
printf("Copyright (C) 1998 Daniel Engstr\x94m\n");
|
||||
printf("Copyright (C) 1996 Eric Stahlman\n");
|
||||
#endif
|
||||
DBG("Copyright (C) 1998 Daniel Engstr\x94m\n");
|
||||
DBG("Copyright (C) 1996 Eric Stahlman\n");
|
||||
|
||||
printf("%s rev:%d I/O port:%hX Interface:%s RAM:%d bytes \n",
|
||||
version_string, revision & 0xF,
|
||||
smc9000_base, if_string, memory );
|
||||
nic->ioaddr, if_string, memory );
|
||||
/*
|
||||
* Print the Ethernet address
|
||||
*/
|
||||
printf("Ethernet MAC address: %!\n", nic->node_addr);
|
||||
|
||||
SMC_SELECT_BANK(smc9000_base, 0);
|
||||
SMC_SELECT_BANK(nic->ioaddr, 0);
|
||||
|
||||
/* see the header file for options in TCR/RCR NORMAL*/
|
||||
_outw(TCR_NORMAL, smc9000_base + TCR);
|
||||
_outw(RCR_NORMAL, smc9000_base + RCR);
|
||||
_outw(TCR_NORMAL, nic->ioaddr + TCR);
|
||||
_outw(RCR_NORMAL, nic->ioaddr + RCR);
|
||||
|
||||
/* Select which interface to use */
|
||||
SMC_SELECT_BANK(smc9000_base, 1);
|
||||
SMC_SELECT_BANK(nic->ioaddr, 1);
|
||||
if ( media == 1 ) {
|
||||
_outw( inw( smc9000_base + CONFIG ) & ~CFG_AUI_SELECT,
|
||||
smc9000_base + CONFIG );
|
||||
_outw( inw( nic->ioaddr + CONFIG ) & ~CFG_AUI_SELECT,
|
||||
nic->ioaddr + CONFIG );
|
||||
}
|
||||
else if ( media == 2 ) {
|
||||
_outw( inw( smc9000_base + CONFIG ) | CFG_AUI_SELECT,
|
||||
smc9000_base + CONFIG );
|
||||
_outw( inw( nic->ioaddr + CONFIG ) | CFG_AUI_SELECT,
|
||||
nic->ioaddr + CONFIG );
|
||||
}
|
||||
static struct nic_operations smc9000_operations;
|
||||
static struct nic_operations smc9000_operations = {
|
||||
.connect = dummy_connect,
|
||||
.poll = smc9000_poll,
|
||||
.transmit = smc9000_transmit,
|
||||
.irq = smc9000_irq,
|
||||
.disable = smc9000_disable,
|
||||
};
|
||||
|
||||
nic->nic_op = &smc9000_operations;
|
||||
|
||||
/* Based on PnP ISA map */
|
||||
dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR);
|
||||
dev->devid.device_id = htons(0x8228);
|
||||
|
||||
return 1;
|
||||
|
||||
out:
|
||||
#ifdef SMC9000_VERBOSE
|
||||
/* printf("No SMC9000 adapters found\n"); */
|
||||
#endif
|
||||
smc9000_base = 0;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static struct isa_driver smc9000_driver __isa_driver = {
|
||||
.type = NIC_DRIVER,
|
||||
.name = "SMC9000",
|
||||
.probe = smc9000_probe,
|
||||
.ioaddrs = 0,
|
||||
/*
|
||||
* The SMC9000 can be at any of the following port addresses. To
|
||||
* change for a slightly different card, you can add it to the array.
|
||||
*
|
||||
*/
|
||||
static struct isa_probe_addr smc9000_probe_addrs[] = {
|
||||
{ 0x200 }, { 0x220 }, { 0x240 }, { 0x260 },
|
||||
{ 0x280 }, { 0x2A0 }, { 0x2C0 }, { 0x2E0 },
|
||||
{ 0x300 }, { 0x320 }, { 0x340 }, { 0x360 },
|
||||
{ 0x380 }, { 0x3A0 }, { 0x3C0 }, { 0x3E0 },
|
||||
};
|
||||
ISA_ROM("smc9000","SMC9000");
|
||||
|
||||
static struct isa_driver smc9000_driver =
|
||||
ISA_DRIVER ( "SMC9000", smc9000_probe_addrs, smc9000_probe_addr,
|
||||
GENERIC_ISAPNP_VENDOR, 0x8228 );
|
||||
|
||||
BOOT_DRIVER ( "SMC9000", find_isa_boot_device, smc9000_driver, smc9000_probe );
|
||||
|
||||
ISA_ROM( "smc9000", "SMC9000" );
|
||||
|
||||
/*
|
||||
* Local variables:
|
||||
* c-basic-offset: 3
|
||||
* End:
|
||||
*/
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user