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Fix autonegotiation in tsec ethernet driver

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Patch by Stefan Roese, 21 Sep 2005
This commit is contained in:
Stefan Roese 2005-09-21 18:20:22 +02:00
parent 1806c75959
commit 5810dc3a2e
4 changed files with 63 additions and 9 deletions
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64
drivers/tsec.c
View File

@ -338,16 +338,35 @@ uint mii_cr_init(uint mii_reg, struct tsec_private *priv)
* auto-negotiation */
uint mii_parse_sr(uint mii_reg, struct tsec_private *priv)
{
uint timeout = TSEC_TIMEOUT;
/*
* Wait if PHY is capable of autonegotiation and autonegotiation is not complete
*/
mii_reg = read_phy_reg(priv, MIIM_STATUS);
if ((mii_reg & PHY_BMSR_AUTN_ABLE) && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
int i = 0;
if(mii_reg & MIIM_STATUS_LINK)
priv->link = 1;
else
priv->link = 0;
puts ("Waiting for PHY auto negotiation to complete");
while (!((mii_reg & PHY_BMSR_AUTN_COMP) && (mii_reg & MIIM_STATUS_LINK))) {
/*
* Timeout reached ?
*/
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts (" TIMEOUT !\n");
priv->link = 0;
break;
}
if(priv->link) {
while((!(mii_reg & MIIM_STATUS_AN_DONE)) && timeout--)
if ((i++ % 1000) == 0) {
putc ('.');
}
udelay (1000); /* 1 ms */
mii_reg = read_phy_reg(priv, MIIM_STATUS);
}
puts (" done\n");
priv->link = 1;
udelay (500000); /* another 500 ms (results in faster booting) */
} else {
priv->link = 1;
}
return 0;
@ -360,6 +379,34 @@ uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private *priv)
{
uint speed;
mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
if (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
(mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
int i = 0;
puts ("Waiting for PHY realtime link");
while (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
(mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
/*
* Timeout reached ?
*/
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts (" TIMEOUT !\n");
priv->link = 0;
break;
}
if ((i++ % 1000) == 0) {
putc ('.');
}
udelay (1000); /* 1 ms */
mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
}
puts (" done\n");
udelay (500000); /* another 500 ms (results in faster booting) */
}
if(mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
priv->duplexity = 1;
else
@ -926,8 +973,7 @@ struct phy_info * get_phy_info(struct eth_device *dev)
printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
return NULL;
} else {
printf("%s: PHY is %s (%x)\n", dev->name, theInfo->name,
phy_ID);
debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
}
return theInfo;

5
drivers/tsec.h
View File

@ -40,6 +40,8 @@
#define TSEC_TIMEOUT 1000
#define TOUT_LOOP 1000000
#define PHY_AUTONEGOTIATE_TIMEOUT 5000 /* in ms */
/* MAC register bits */
#define MACCFG1_SOFT_RESET 0x80000000
#define MACCFG1_RESET_RX_MC 0x00080000
@ -77,6 +79,7 @@
#define MIIM_CONTROL 0x00
#define MIIM_CONTROL_RESET 0x00009140
#define MIIM_CONTROL_INIT 0x00001140
#define MIIM_CONTROL_RESTART 0x00001340
#define MIIM_ANEN 0x00001000
#define MIIM_CR 0x00
@ -86,6 +89,8 @@
#define MIIM_STATUS 0x1
#define MIIM_STATUS_AN_DONE 0x00000020
#define MIIM_STATUS_LINK 0x0004
#define PHY_BMSR_AUTN_ABLE 0x0008
#define PHY_BMSR_AUTN_COMP 0x0020
#define MIIM_PHYIR1 0x2
#define MIIM_PHYIR2 0x3

1
include/configs/TQM8540.h
View File

@ -368,6 +368,7 @@
CFG_CMD_DATE | \
CFG_CMD_EEPROM | \
CFG_CMD_DTT | \
CFG_CMD_MII | \
CFG_CMD_PING )
#include <cmd_confdefs.h>

2
include/configs/TQM8560.h
View File

@ -48,6 +48,7 @@
* please disable the PCI support for now. sr@denx.de, 15-09-2005
*/
#define CONFIG_PCI
#undef CONFIG_PCI /* test-only !!!!!!!!!!!!!!!! */
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_DDR_DLL /* possible DLL fix needed */
@ -377,6 +378,7 @@
CFG_CMD_DATE | \
CFG_CMD_EEPROM | \
CFG_CMD_DTT | \
CFG_CMD_MII | \
CFG_CMD_PING )
#include <cmd_confdefs.h>