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Subject[PATCH] tulip
From
Hi,

The following patch tries to improve the media autosensing capabilities of the
2.4 tulip driver. Iused Doanld Becker's tulip driver as a basis. I only tested
it on a Digital PWS500a with onboard 21143 chip with MII transceiver.

Peter.
diff -rc linux.orig/drivers/net/tulip/21142.c linux/drivers/net/tulip/21142.c
*** linux.orig/drivers/net/tulip/21142.c Tue Nov 7 20:08:09 2000
--- linux/drivers/net/tulip/21142.c Sun Jan 7 18:29:03 2001
***************
*** 99,106 ****
{
struct tulip_private *tp = (struct tulip_private *)dev->priv;
long ioaddr = dev->base_addr;
! int csr14 = ((tp->to_advertise & 0x0780) << 9) |
! ((tp->to_advertise&0x0020)<<1) | 0xffbf;

DPRINTK("ENTER\n");

--- 99,106 ----
{
struct tulip_private *tp = (struct tulip_private *)dev->priv;
long ioaddr = dev->base_addr;
! int csr14 = ((tp->sym_advertise & 0x0780) << 9) |
! ((tp->sym_advertise&0x0020)<<1) | 0xffbf;

DPRINTK("ENTER\n");

***************
*** 114,122 ****
udelay(100);
outl(csr14, ioaddr + CSR14);
if (tp->chip_id == PNIC2)
! tp->csr6 = 0x01a80000 | (tp->to_advertise & 0x0040 ? 0x0200 : 0);
else
! tp->csr6 = 0x82420000 | (tp->to_advertise & 0x0040 ? 0x0200 : 0);
tulip_outl_csr(tp, tp->csr6, CSR6);
if (tp->mtable && tp->mtable->csr15dir) {
outl(tp->mtable->csr15dir, ioaddr + CSR15);
--- 114,122 ----
udelay(100);
outl(csr14, ioaddr + CSR14);
if (tp->chip_id == PNIC2)
! tp->csr6 = 0x01a80000 | (tp->sym_advertise & 0x0040 ? 0x0200 : 0);
else
! tp->csr6 = 0x82420000 | (tp->sym_advertise & 0x0040 ? 0x0200 : 0);
tulip_outl_csr(tp, tp->csr6, CSR6);
if (tp->mtable && tp->mtable->csr15dir) {
outl(tp->mtable->csr15dir, ioaddr + CSR15);
***************
*** 140,146 ****
/* If NWay finished and we have a negotiated partner capability. */
if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) {
int setup_done = 0;
! int negotiated = tp->to_advertise & (csr12 >> 16);
tp->lpar = csr12 >> 16;
tp->nwayset = 1;
if (negotiated & 0x0100) dev->if_port = 5;
--- 140,146 ----
/* If NWay finished and we have a negotiated partner capability. */
if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) {
int setup_done = 0;
! int negotiated = tp->sym_advertise & (csr12 >> 16);
tp->lpar = csr12 >> 16;
tp->nwayset = 1;
if (negotiated & 0x0100) dev->if_port = 5;
***************
*** 149,155 ****
else if (negotiated & 0x0020) dev->if_port = 0;
else {
tp->nwayset = 0;
! if ((csr12 & 2) == 0 && (tp->to_advertise & 0x0180))
dev->if_port = 3;
}
tp->full_duplex = (tulip_media_cap[dev->if_port] & MediaAlwaysFD) ? 1:0;
--- 149,155 ----
else if (negotiated & 0x0020) dev->if_port = 0;
else {
tp->nwayset = 0;
! if ((csr12 & 2) == 0 && (tp->sym_advertise & 0x0180))
dev->if_port = 3;
}
tp->full_duplex = (tulip_media_cap[dev->if_port] & MediaAlwaysFD) ? 1:0;
***************
*** 158,164 ****
if (tp->nwayset)
printk(KERN_INFO "%s: Switching to %s based on link "
"negotiation %4.4x & %4.4x = %4.4x.\n",
! dev->name, medianame[dev->if_port], tp->to_advertise,
tp->lpar, negotiated);
else
printk(KERN_INFO "%s: Autonegotiation failed, using %s,"
--- 158,164 ----
if (tp->nwayset)
printk(KERN_INFO "%s: Switching to %s based on link "
"negotiation %4.4x & %4.4x = %4.4x.\n",
! dev->name, medianame[dev->if_port], tp->sym_advertise,
tp->lpar, negotiated);
else
printk(KERN_INFO "%s: Autonegotiation failed, using %s,"
diff -rc linux.orig/drivers/net/tulip/eeprom.c linux/drivers/net/tulip/eeprom.c
*** linux.orig/drivers/net/tulip/eeprom.c Sat Dec 30 20:23:14 2000
--- linux/drivers/net/tulip/eeprom.c Sun Jan 7 17:38:45 2001
***************
*** 207,214 ****
--- 207,221 ----
p += (p[0] & 0x3f) + 1;
continue;
} else if (p[1] & 1) {
+ int gpr_len, reset_len;
+
mtable->has_mii = 1;
leaf->media = 11;
+ #if 0
+ gpr_len=p[3]*2;
+ reset_len=p[4+gpr_len]*2;
+ new_advertise |= get_u16(&p[7+gpr_len+reset_len]);
+ #endif
} else {
mtable->has_nonmii = 1;
leaf->media = p[2] & 0x0f;
***************
*** 252,258 ****
block_name[leaf->type], leaf->type);
}
if (new_advertise)
! tp->to_advertise = new_advertise;
}
}
/* Reading a serial EEPROM is a "bit" grungy, but we work our way through:->.*/
--- 259,265 ----
block_name[leaf->type], leaf->type);
}
if (new_advertise)
! tp->sym_advertise = new_advertise;
}
}
/* Reading a serial EEPROM is a "bit" grungy, but we work our way through:->.*/
diff -rc linux.orig/drivers/net/tulip/media.c linux/drivers/net/tulip/media.c
*** linux.orig/drivers/net/tulip/media.c Mon Jan 1 18:54:07 2001
--- linux/drivers/net/tulip/media.c Sun Jan 7 17:51:16 2001
***************
*** 227,233 ****
int phy_num = p[0];
int init_length = p[1];
u16 *misc_info;
- u16 to_advertise;

dev->if_port = 11;
new_csr6 = 0x020E0000;
--- 227,232 ----
***************
*** 254,266 ****
for (i = 0; i < init_length; i++)
outl(init_sequence[i], ioaddr + CSR12);
}
! to_advertise = (get_u16(&misc_info[1]) & tp->to_advertise) | 1;
! tp->advertising[phy_num] = to_advertise;
! if (tulip_debug > 1)
! printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d (%d).\n",
! dev->name, to_advertise, phy_num, tp->phys[phy_num]);
! /* Bogus: put in by a committee? */
! tulip_mdio_write(dev, tp->phys[phy_num], 4, to_advertise);
break;
}
case 5: case 6: {
--- 253,269 ----
for (i = 0; i < init_length; i++)
outl(init_sequence[i], ioaddr + CSR12);
}
! tp->advertising[phy_num] = get_u16(&misc_info[1]) | 1;;
! if(startup < 2) {
! if (tp->mii_advertise == 0)
! tp->mii_advertise = tp->advertising[phy_num];
! if (tulip_debug > 1)
! printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d (%d).\n",
! dev->name, tp->mii_advertise, phy_num,
! tp->phys[phy_num]);
! /* Bogus: put in by a committee? */
! tulip_mdio_write(dev, tp->phys[phy_num], 4, tp->mii_advertise);
! }
break;
}
case 5: case 6: {
diff -rc linux.orig/drivers/net/tulip/tulip.h linux/drivers/net/tulip/tulip.h
*** linux.orig/drivers/net/tulip/tulip.h Sat Dec 30 20:23:14 2000
--- linux/drivers/net/tulip/tulip.h Sun Jan 7 17:41:47 2001
***************
*** 22,28 ****


/* undefine, or define to various debugging levels (>4 == obscene levels) */
! #undef TULIP_DEBUG


#ifdef TULIP_DEBUG
--- 22,28 ----


/* undefine, or define to various debugging levels (>4 == obscene levels) */
! #undef TULIP_DEBUG


#ifdef TULIP_DEBUG
***************
*** 353,359 ****
unsigned int csr6; /* Current CSR6 control settings. */
unsigned char eeprom[EEPROM_SIZE]; /* Serial EEPROM contents. */
void (*link_change) (struct net_device * dev, int csr5);
! u16 to_advertise; /* NWay capabilities advertised. */
u16 lpar; /* 21143 Link partner ability. */
u16 advertising[4];
signed char phys[4], mii_cnt; /* MII device addresses. */
--- 353,359 ----
unsigned int csr6; /* Current CSR6 control settings. */
unsigned char eeprom[EEPROM_SIZE]; /* Serial EEPROM contents. */
void (*link_change) (struct net_device * dev, int csr5);
! u16 sym_advertise, mii_advertise; /* NWay capabilities advertised. */
u16 lpar; /* 21143 Link partner ability. */
u16 advertising[4];
signed char phys[4], mii_cnt; /* MII device addresses. */
diff -rc linux.orig/drivers/net/tulip/tulip_core.c linux/drivers/net/tulip/tulip_core.c
*** linux.orig/drivers/net/tulip/tulip_core.c Thu Jan 4 21:50:17 2001
--- linux/drivers/net/tulip/tulip_core.c Sun Jan 7 20:57:01 2001
***************
*** 329,335 ****
if (tp->mii_cnt) {
tulip_select_media(dev, 1);
if (tulip_debug > 1)
! printk(KERN_INFO "%s: Using MII transceiver %d, status "
"%4.4x.\n",
dev->name, tp->phys[0], tulip_mdio_read(dev, tp->phys[0], 1));
tulip_outl_csr(tp, csr6_mask_defstate, CSR6);
--- 329,335 ----
if (tp->mii_cnt) {
tulip_select_media(dev, 1);
if (tulip_debug > 1)
! printk(KERN_INFO "%s: Using mII transceiver %d, status "
"%4.4x.\n",
dev->name, tp->phys[0], tulip_mdio_read(dev, tp->phys[0], 1));
tulip_outl_csr(tp, csr6_mask_defstate, CSR6);
***************
*** 794,800 ****
return -EPERM;
if (data[0] == 32 && (tp->flags & HAS_NWAY)) {
if (data[1] == 5)
! tp->to_advertise = data[2];
} else {
spin_lock_irqsave (&tp->lock, flags);
tulip_mdio_write(dev, data[0] & 0x1f, data[1] & 0x1f, data[2]);
--- 794,800 ----
return -EPERM;
if (data[0] == 32 && (tp->flags & HAS_NWAY)) {
if (data[1] == 5)
! tp->sym_advertise = data[2];
} else {
spin_lock_irqsave (&tp->lock, flags);
tulip_mdio_write(dev, data[0] & 0x1f, data[1] & 0x1f, data[2]);
***************
*** 1304,1314 ****

if (tulip_media_cap[tp->default_port] & MediaIsMII) {
u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 };
! tp->to_advertise = media2advert[tp->default_port - 9];
! } else if (tp->flags & HAS_8023X)
! tp->to_advertise = 0x05e1;
! else
! tp->to_advertise = 0x01e1;

/* This is logically part of _init_one(), but too complex to write inline. */
if (tp->flags & HAS_MEDIA_TABLE) {
--- 1304,1312 ----

if (tulip_media_cap[tp->default_port] & MediaIsMII) {
u16 media2advert[] = { 0x20, 0x40, 0x03e0, 0x60, 0x80, 0x100, 0x200 };
! tp->mii_advertise = media2advert[tp->default_port - 9];
! tp->mii_advertise |= (tp->flags & HAS_8023X); /* Matching bits! */
! }

/* This is logically part of _init_one(), but too complex to write inline. */
if (tp->flags & HAS_MEDIA_TABLE) {
***************
*** 1340,1360 ****
((mii_status & 0x8000) == 0 && (mii_status & 0x7800) != 0)) {
int mii_reg0 = tulip_mdio_read(dev, phy, 0);
int mii_advert = tulip_mdio_read(dev, phy, 4);
! int reg4 = ((mii_status>>6) & tp->to_advertise) | 1;
! tp->phys[phy_idx] = phy;
! tp->advertising[phy_idx++] = reg4;
printk(KERN_INFO "%s: MII transceiver #%d "
"config %4.4x status %4.4x advertising %4.4x.\n",
dev->name, phy, mii_reg0, mii_status, mii_advert);
/* Fixup for DLink with miswired PHY. */
! if (mii_advert != reg4) {
printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d,"
" previously advertising %4.4x.\n",
! dev->name, reg4, phy, mii_advert);
! printk(KERN_DEBUG "%s: Advertising %4.4x (to advertise"
! " is %4.4x).\n",
! dev->name, reg4, tp->to_advertise);
! tulip_mdio_write(dev, phy, 4, reg4);
}
/* Enable autonegotiation: some boards default to off. */
tulip_mdio_write(dev, phy, 0, mii_reg0 |
--- 1338,1362 ----
((mii_status & 0x8000) == 0 && (mii_status & 0x7800) != 0)) {
int mii_reg0 = tulip_mdio_read(dev, phy, 0);
int mii_advert = tulip_mdio_read(dev, phy, 4);
! int to_advert;
!
! if (tp->mii_advertise)
! to_advert = tp->mii_advertise;
! else if (tp->advertising[phy_idx])
! to_advert = tp->advertising[phy_idx];
! else
! tp->mii_advertise = to_advert = mii_advert;
!
! tp->phys[phy_idx++] = phy;
printk(KERN_INFO "%s: MII transceiver #%d "
"config %4.4x status %4.4x advertising %4.4x.\n",
dev->name, phy, mii_reg0, mii_status, mii_advert);
/* Fixup for DLink with miswired PHY. */
! if (mii_advert != to_advert) {
printk(KERN_DEBUG "%s: Advertising %4.4x on PHY %d,"
" previously advertising %4.4x.\n",
! dev->name, to_advert, phy, mii_advert);
! tulip_mdio_write(dev, phy, 4, to_advert);
}
/* Enable autonegotiation: some boards default to off. */
tulip_mdio_write(dev, phy, 0, mii_reg0 |
***************
*** 1388,1394 ****
/* Reset the xcvr interface and turn on heartbeat. */
switch (chip_idx) {
case DC21041:
! tp->to_advertise = 0x0061;
outl(0x00000000, ioaddr + CSR13);
outl(0xFFFFFFFF, ioaddr + CSR14);
outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
--- 1390,1397 ----
/* Reset the xcvr interface and turn on heartbeat. */
switch (chip_idx) {
case DC21041:
! if (tp->sym_advertise == 0)
! tp->sym_advertise = 0x0061;
outl(0x00000000, ioaddr + CSR13);
outl(0xFFFFFFFF, ioaddr + CSR14);
outl(0x00000008, ioaddr + CSR15); /* Listen on AUI also. */
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