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This at least compiles now. Haven't separated out the EMBEDDED code yet.

This commit is contained in:
Michael Brown 2005-04-15 16:49:46 +00:00
parent 1bd7b97e5c
commit 8c082aa468
1 changed files with 241 additions and 252 deletions
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493
src/drivers/net/cs89x0.c
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@ -69,13 +69,10 @@
#include "etherboot.h"
#include "nic.h"
#include "isa.h"
#include "console.h"
#include "cs89x0.h"
#ifndef EMBEDDED
static unsigned short eth_nic_base;
#else
static unsigned long eth_nic_base;
#endif
static unsigned long eth_mem_start;
static unsigned short eth_irqno;
static unsigned short eth_cs_type; /* one of: CS8900, CS8920, CS8920M */
@ -454,244 +451,6 @@ static void cs89x0_irq(struct nic *nic __unused, irq_action_t action __unused)
}
}
/**************************************************************************
ETH_PROBE - Look for an adapter
***************************************************************************/
static int cs89x0_probe(struct dev *dev, unsigned short *probe_addrs __unused)
{
struct nic *nic = (struct nic *)dev;
static const unsigned int netcard_portlist[] = {
#ifdef CS_SCAN
CS_SCAN,
#else /* use "conservative" default values for autoprobing */
#ifndef EMBEDDED
0x300,0x320,0x340,0x200,0x220,0x240,
0x260,0x280,0x2a0,0x2c0,0x2e0,
/* if that did not work, then be more aggressive */
0x301,0x321,0x341,0x201,0x221,0x241,
0x261,0x281,0x2a1,0x2c1,0x2e1,
#else
0x01000300,
#endif
#endif
0};
int i, result = -1;
unsigned rev_type = 0, ioaddr, ioidx, isa_cnf, cs_revision;
unsigned short eeprom_buff[CHKSUM_LEN];
for (ioidx = 0; (ioaddr=netcard_portlist[ioidx++]) != 0; ) {
/* if they give us an odd I/O address, then do ONE write to
the address port, to get it back to address zero, where we
expect to find the EISA signature word. */
if (ioaddr & 1) {
ioaddr &= ~1;
if ((inw(ioaddr + ADD_PORT) & ADD_MASK) != ADD_SIG)
continue;
outw(PP_ChipID, ioaddr + ADD_PORT);
}
if (inw(ioaddr + DATA_PORT) != CHIP_EISA_ID_SIG)
continue;
eth_nic_base = ioaddr;
/* get the chip type */
rev_type = readreg(PRODUCT_ID_ADD);
eth_cs_type = rev_type &~ REVISON_BITS;
cs_revision = ((rev_type & REVISON_BITS) >> 8) + 'A';
printf("\ncs: cs89%c0%s rev %c, base %#hX",
eth_cs_type==CS8900?'0':'2',
eth_cs_type==CS8920M?"M":"",
cs_revision,
eth_nic_base);
#ifndef EMBEDDED
/* First check to see if an EEPROM is attached*/
if ((readreg(PP_SelfST) & EEPROM_PRESENT) == 0) {
printf("\ncs: no EEPROM...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
continue; }
else if (get_eeprom_data(START_EEPROM_DATA,CHKSUM_LEN,
eeprom_buff) < 0) {
printf("\ncs: EEPROM read failed...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
continue; }
else if (get_eeprom_chksum(START_EEPROM_DATA,CHKSUM_LEN,
eeprom_buff) < 0) {
printf("\ncs: EEPROM checksum bad...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
continue; }
/* get transmission control word but keep the
autonegotiation bits */
eth_auto_neg_cnf = eeprom_buff[AUTO_NEG_CNF_OFFSET/2];
/* Store adapter configuration */
eth_adapter_cnf = eeprom_buff[ADAPTER_CNF_OFFSET/2];
/* Store ISA configuration */
isa_cnf = eeprom_buff[ISA_CNF_OFFSET/2];
/* store the initial memory base address */
eth_mem_start = eeprom_buff[PACKET_PAGE_OFFSET/2] << 8;
printf("%s%s%s, addr ",
(eth_adapter_cnf & A_CNF_10B_T)?", RJ-45":"",
(eth_adapter_cnf & A_CNF_AUI)?", AUI":"",
(eth_adapter_cnf & A_CNF_10B_2)?", BNC":"");
/* If this is a CS8900 then no pnp soft */
if (eth_cs_type != CS8900 &&
/* Check if the ISA IRQ has been set */
(i = readreg(PP_CS8920_ISAINT) & 0xff,
(i != 0 && i < CS8920_NO_INTS)))
eth_irqno = i;
else {
i = isa_cnf & INT_NO_MASK;
if (eth_cs_type == CS8900) {
/* the table that follows is dependent
upon how you wired up your cs8900
in your system. The table is the
same as the cs8900 engineering demo
board. irq_map also depends on the
contents of the table. Also see
write_irq, which is the reverse
mapping of the table below. */
if (i < 4) i = "\012\013\014\005"[i];
else printf("\ncs: BUG: isa_config is %d\n", i); }
eth_irqno = i; }
/* Retrieve and print the ethernet address. */
for (i=0; i<ETH_ALEN; i++) {
nic->node_addr[i] = ((unsigned char *)eeprom_buff)[i];
}
printf("%!\n", nic->node_addr);
#endif
#ifdef EMBEDDED
/* Retrieve and print the ethernet address. */
{
unsigned char MAC_HW_ADDR[6]={MAC_HW_ADDR_DRV};
memcpy(nic->node_addr, MAC_HW_ADDR, 6);
}
printf("\n%!\n", nic->node_addr);
eth_adapter_cnf = A_CNF_10B_T | A_CNF_MEDIA_10B_T;
eth_auto_neg_cnf = EE_AUTO_NEG_ENABLE | IMM_BIT;
#endif
#ifndef EMBEDDED
/* Set the LineCTL quintuplet based on adapter
configuration read from EEPROM */
if ((eth_adapter_cnf & A_CNF_EXTND_10B_2) &&
(eth_adapter_cnf & A_CNF_LOW_RX_SQUELCH))
eth_linectl = LOW_RX_SQUELCH;
else
eth_linectl = 0;
/* check to make sure that they have the "right"
hardware available */
switch(eth_adapter_cnf & A_CNF_MEDIA_TYPE) {
case A_CNF_MEDIA_10B_T: result = eth_adapter_cnf & A_CNF_10B_T;
break;
case A_CNF_MEDIA_AUI: result = eth_adapter_cnf & A_CNF_AUI;
break;
case A_CNF_MEDIA_10B_2: result = eth_adapter_cnf & A_CNF_10B_2;
break;
default: result = eth_adapter_cnf & (A_CNF_10B_T | A_CNF_AUI |
A_CNF_10B_2);
}
if (!result) {
printf("cs: EEPROM is configured for unavailable media\n");
error:
writereg(PP_LineCTL, readreg(PP_LineCTL) &
~(SERIAL_TX_ON | SERIAL_RX_ON));
outw(PP_ChipID, eth_nic_base + ADD_PORT);
continue;
}
#endif
/* Initialize the card for probing of the attached media */
cs89x0_reset(nic);
/* set the hardware to the configured choice */
switch(eth_adapter_cnf & A_CNF_MEDIA_TYPE) {
case A_CNF_MEDIA_10B_T:
result = detect_tp();
if (!result) {
clrline();
printf("10Base-T (RJ-45%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I see a link pulse */
result = A_CNF_MEDIA_10B_T;
break;
case A_CNF_MEDIA_AUI:
result = detect_aui(nic);
if (!result) {
clrline();
printf("10Base-5 (AUI%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I see a carrrier */
result = A_CNF_MEDIA_AUI;
break;
case A_CNF_MEDIA_10B_2:
result = detect_bnc(nic);
if (!result) {
clrline();
printf("10Base-2 (BNC%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I can xmit a packet */
result = A_CNF_MEDIA_10B_2;
break;
case A_CNF_MEDIA_AUTO:
writereg(PP_LineCTL, eth_linectl | AUTO_AUI_10BASET);
if (eth_adapter_cnf & A_CNF_10B_T)
if ((result = detect_tp()) != 0)
break;
if (eth_adapter_cnf & A_CNF_AUI)
if ((result = detect_aui(nic)) != 0)
break;
if (eth_adapter_cnf & A_CNF_10B_2)
if ((result = detect_bnc(nic)) != 0)
break;
clrline(); printf("no media detected\n");
goto error;
}
clrline();
switch(result) {
case 0: printf("no network cable attached to configured media\n");
goto error;
case A_CNF_MEDIA_10B_T: printf("using 10Base-T (RJ-45)\n");
break;
case A_CNF_MEDIA_AUI: printf("using 10Base-5 (AUI)\n");
break;
case A_CNF_MEDIA_10B_2: printf("using 10Base-2 (BNC)\n");
break;
}
/* Turn on both receive and transmit operations */
writereg(PP_LineCTL, readreg(PP_LineCTL) | SERIAL_RX_ON |
SERIAL_TX_ON);
break;
#ifdef EMBEDDED
error:
writereg(PP_LineCTL, readreg(PP_LineCTL) &
~(SERIAL_TX_ON | SERIAL_RX_ON));
outw(PP_ChipID, eth_nic_base + ADD_PORT);
continue;
#endif
}
if (ioaddr == 0)
return (0);
nic->irqno = 0;
nic->ioaddr = ioaddr;
static struct nic_operations cs89x0_operations;
static struct nic_operations cs89x0_operations = {
.connect = dummy_connect,
.poll = cs89x0_poll,
@ -699,21 +458,251 @@ static struct nic_operations cs89x0_operations = {
.irq = cs89x0_irq,
.disable = cs89x0_disable,
};
nic->nic_op = &cs89x0_operations;
/* Based on PnP ISA map */
dev->devid.vendor_id = htons(ISAPNP_VENDOR('C','S','C'));
dev->devid.device_id = htons(0x0007);
/**************************************************************************
ETH_PROBE - Look for an adapter
***************************************************************************/
static int cs89x0_probe_addr ( uint16_t ioaddr ) {
/* if they give us an odd I/O address, then do ONE write to
the address port, to get it back to address zero, where we
expect to find the EISA signature word. */
if (ioaddr & 1) {
ioaddr &= ~1;
if ((inw(ioaddr + ADD_PORT) & ADD_MASK) != ADD_SIG)
return 0;
outw(PP_ChipID, ioaddr + ADD_PORT);
}
if (inw(ioaddr + DATA_PORT) != CHIP_EISA_ID_SIG)
return 0;
return 1;
}
static struct isa_driver cs89x0_driver __isa_driver = {
.type = NIC_DRIVER,
.name = "CS89x0",
.probe = cs89x0_probe,
.ioaddrs = 0,
static int cs89x0_probe ( struct dev *dev, struct isa_device *isa ) {
struct nic *nic = nic_device ( dev );
int i, result = -1;
unsigned rev_type = 0, isa_cnf, cs_revision;
unsigned short eeprom_buff[CHKSUM_LEN];
nic->ioaddr = ( isa->ioaddr & ~1 );
nic->irqno = 0;
eth_nic_base = nic->ioaddr;
/* get the chip type */
rev_type = readreg(PRODUCT_ID_ADD);
eth_cs_type = rev_type &~ REVISON_BITS;
cs_revision = ((rev_type & REVISON_BITS) >> 8) + 'A';
printf("\ncs: cs89%c0%s rev %c, base %#hX",
eth_cs_type==CS8900?'0':'2',
eth_cs_type==CS8920M?"M":"",
cs_revision,
eth_nic_base);
#ifndef EMBEDDED
/* First check to see if an EEPROM is attached*/
if ((readreg(PP_SelfST) & EEPROM_PRESENT) == 0) {
printf("\ncs: no EEPROM...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
return 0;
} else if (get_eeprom_data(START_EEPROM_DATA,CHKSUM_LEN,
eeprom_buff) < 0) {
printf("\ncs: EEPROM read failed...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
return 0;
} else if (get_eeprom_chksum(START_EEPROM_DATA,CHKSUM_LEN,
eeprom_buff) < 0) {
printf("\ncs: EEPROM checksum bad...\n");
outw(PP_ChipID, eth_nic_base + ADD_PORT);
return 0;
}
/* get transmission control word but keep the
autonegotiation bits */
eth_auto_neg_cnf = eeprom_buff[AUTO_NEG_CNF_OFFSET/2];
/* Store adapter configuration */
eth_adapter_cnf = eeprom_buff[ADAPTER_CNF_OFFSET/2];
/* Store ISA configuration */
isa_cnf = eeprom_buff[ISA_CNF_OFFSET/2];
/* store the initial memory base address */
eth_mem_start = eeprom_buff[PACKET_PAGE_OFFSET/2] << 8;
printf("%s%s%s, addr ",
(eth_adapter_cnf & A_CNF_10B_T)?", RJ-45":"",
(eth_adapter_cnf & A_CNF_AUI)?", AUI":"",
(eth_adapter_cnf & A_CNF_10B_2)?", BNC":"");
/* If this is a CS8900 then no pnp soft */
if (eth_cs_type != CS8900 &&
/* Check if the ISA IRQ has been set */
(i = readreg(PP_CS8920_ISAINT) & 0xff,
(i != 0 && i < CS8920_NO_INTS)))
eth_irqno = i;
else {
i = isa_cnf & INT_NO_MASK;
if (eth_cs_type == CS8900) {
/* the table that follows is dependent
upon how you wired up your cs8900
in your system. The table is the
same as the cs8900 engineering demo
board. irq_map also depends on the
contents of the table. Also see
write_irq, which is the reverse
mapping of the table below. */
if (i < 4) i = "\012\013\014\005"[i];
else printf("\ncs: BUG: isa_config is %d\n", i); }
eth_irqno = i; }
/* Retrieve and print the ethernet address. */
for (i=0; i<ETH_ALEN; i++) {
nic->node_addr[i] = ((unsigned char *)eeprom_buff)[i];
}
printf("%!\n", nic->node_addr);
#endif
#ifdef EMBEDDED
/* Retrieve and print the ethernet address. */
{
unsigned char MAC_HW_ADDR[6]={MAC_HW_ADDR_DRV};
memcpy(nic->node_addr, MAC_HW_ADDR, 6);
}
printf("\n%!\n", nic->node_addr);
eth_adapter_cnf = A_CNF_10B_T | A_CNF_MEDIA_10B_T;
eth_auto_neg_cnf = EE_AUTO_NEG_ENABLE | IMM_BIT;
#endif
#ifndef EMBEDDED
/* Set the LineCTL quintuplet based on adapter
configuration read from EEPROM */
if ((eth_adapter_cnf & A_CNF_EXTND_10B_2) &&
(eth_adapter_cnf & A_CNF_LOW_RX_SQUELCH))
eth_linectl = LOW_RX_SQUELCH;
else
eth_linectl = 0;
/* check to make sure that they have the "right"
hardware available */
switch(eth_adapter_cnf & A_CNF_MEDIA_TYPE) {
case A_CNF_MEDIA_10B_T: result = eth_adapter_cnf & A_CNF_10B_T;
break;
case A_CNF_MEDIA_AUI: result = eth_adapter_cnf & A_CNF_AUI;
break;
case A_CNF_MEDIA_10B_2: result = eth_adapter_cnf & A_CNF_10B_2;
break;
default: result = eth_adapter_cnf & (A_CNF_10B_T | A_CNF_AUI |
A_CNF_10B_2);
}
if (!result) {
printf("cs: EEPROM is configured for unavailable media\n");
error:
writereg(PP_LineCTL, readreg(PP_LineCTL) &
~(SERIAL_TX_ON | SERIAL_RX_ON));
outw(PP_ChipID, eth_nic_base + ADD_PORT);
return 0;
}
#endif
/* Initialize the card for probing of the attached media */
cs89x0_reset(nic);
/* set the hardware to the configured choice */
switch(eth_adapter_cnf & A_CNF_MEDIA_TYPE) {
case A_CNF_MEDIA_10B_T:
result = detect_tp();
if (!result) {
clrline();
printf("10Base-T (RJ-45%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I see a link pulse */
result = A_CNF_MEDIA_10B_T;
break;
case A_CNF_MEDIA_AUI:
result = detect_aui(nic);
if (!result) {
clrline();
printf("10Base-5 (AUI%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I see a carrrier */
result = A_CNF_MEDIA_AUI;
break;
case A_CNF_MEDIA_10B_2:
result = detect_bnc(nic);
if (!result) {
clrline();
printf("10Base-2 (BNC%s",
") has no cable\n"); }
/* check "ignore missing media" bit */
if (eth_auto_neg_cnf & IMM_BIT)
/* Yes! I don't care if I can xmit a packet */
result = A_CNF_MEDIA_10B_2;
break;
case A_CNF_MEDIA_AUTO:
writereg(PP_LineCTL, eth_linectl | AUTO_AUI_10BASET);
if (eth_adapter_cnf & A_CNF_10B_T)
if ((result = detect_tp()) != 0)
break;
if (eth_adapter_cnf & A_CNF_AUI)
if ((result = detect_aui(nic)) != 0)
break;
if (eth_adapter_cnf & A_CNF_10B_2)
if ((result = detect_bnc(nic)) != 0)
break;
clrline(); printf("no media detected\n");
goto error;
}
clrline();
switch(result) {
case 0: printf("no network cable attached to configured media\n");
goto error;
case A_CNF_MEDIA_10B_T: printf("using 10Base-T (RJ-45)\n");
break;
case A_CNF_MEDIA_AUI: printf("using 10Base-5 (AUI)\n");
break;
case A_CNF_MEDIA_10B_2: printf("using 10Base-2 (BNC)\n");
break;
}
/* Turn on both receive and transmit operations */
writereg(PP_LineCTL, readreg(PP_LineCTL) | SERIAL_RX_ON |
SERIAL_TX_ON);
return 0;
#ifdef EMBEDDED
error:
writereg(PP_LineCTL, readreg(PP_LineCTL) &
~(SERIAL_TX_ON | SERIAL_RX_ON));
outw(PP_ChipID, eth_nic_base + ADD_PORT);
return 0;
#endif
nic->nic_op = &cs89x0_operations;
return 1;
}
static struct isa_probe_addr cs89x0_probe_addrs[] = {
#ifndef EMBEDDED
/* use "conservative" default values for autoprobing */
{ 0x300 }, { 0x320 }, { 0x340 }, { 0x200 }, { 0x220 }, { 0x240 },
{ 0x260 }, { 0x280 }, { 0x2a0 }, { 0x2c0 }, { 0x2e0 },
/* if that did not work, then be more aggressive */
{ 0x301 }, { 0x321 }, { 0x341 }, { 0x201 }, { 0x221 }, { 0x241 },
{ 0x261 }, { 0x281 }, { 0x2a1 }, { 0x2c1 }, { 0x2e1 },
#else
0x01000300,
#endif
};
ISA_ROM("cs89x0","Crystal Semiconductor CS89x0");
static struct isa_driver cs89x0_driver =
ISA_DRIVER ( "CS89x0", cs89x0_probe_addrs, cs89x0_probe_addr,
ISAPNP_VENDOR('C','S','C'), 0x0007 );
ISA_ROM ( "cs89x0", "Crystal Semiconductor CS89x0" );
/*
* Local variables: