diff options
Diffstat (limited to 'drivers/tsec.c')
| -rw-r--r-- | drivers/tsec.c | 94 |
1 files changed, 77 insertions, 17 deletions
diff --git a/drivers/tsec.c b/drivers/tsec.c index 0c8b0de587..f860dae8b0 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -21,8 +21,9 @@ #if defined(CONFIG_TSEC_ENET) #include "tsec.h" +#include "miiphy.h" -#define TX_BUF_CNT 2 +#define TX_BUF_CNT 2 static uint rxIdx; /* index of the current RX buffer */ static uint txIdx; /* index of the current TX buffer */ @@ -120,6 +121,10 @@ struct phy_info * get_phy_info(struct eth_device *dev); void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd); static void adjust_link(struct eth_device *dev); static void relocate_cmds(void); +static int tsec_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value); +static int tsec_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value); /* Initialize device structure. Returns success if PHY * initialization succeeded (i.e. if it recognizes the PHY) @@ -169,6 +174,11 @@ int tsec_initialize(bd_t *bis, int index, char *devname) priv->regs->maccfg1 |= MACCFG1_SOFT_RESET; priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET); +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) \ + && !defined(BITBANGMII) + miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write); +#endif + /* Try to initialize PHY here, and return */ return init_phy(dev); } @@ -200,11 +210,11 @@ int tsec_init(struct eth_device* dev, bd_t * bd) for(i=0;i<MAC_ADDR_LEN;i++) { tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i]; } - (uint)(regs->macstnaddr1) = *((uint *)(tmpbuf)); + regs->macstnaddr1 = *((uint *)(tmpbuf)); tempval = *((uint *)(tmpbuf +4)); - (uint)(regs->macstnaddr2) = tempval; + regs->macstnaddr2 = tempval; /* reset the indices to zero */ rxIdx = 0; @@ -338,16 +348,35 @@ 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; - - if(mii_reg & MIIM_STATUS_LINK) - priv->link = 1; - else - priv->link = 0; + /* + * 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; + + 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 +389,34 @@ 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 +983,7 @@ 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; @@ -1012,7 +1068,8 @@ static void relocate_cmds(void) } -#ifndef CONFIG_BITBANGMII +#if defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) \ + && !defined(BITBANGMII) struct tsec_private * get_priv_for_phy(unsigned char phyaddr) { @@ -1032,7 +1089,8 @@ struct tsec_private * get_priv_for_phy(unsigned char phyaddr) * Returns: * 0 on success */ -int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) +static int tsec_miiphy_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) { unsigned short ret; struct tsec_private *priv = get_priv_for_phy(addr); @@ -1054,7 +1112,8 @@ int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) * Returns: * 0 on success */ -int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) +static int tsec_miiphy_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value) { struct tsec_private *priv = get_priv_for_phy(addr); @@ -1068,6 +1127,7 @@ int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) return 0; } -#endif /* CONFIG_BITBANGMII */ +#endif /* defined(CONFIG_MII) || (CONFIG_COMMANDS & CFG_CMD_MII) + && !defined(BITBANGMII) */ #endif /* CONFIG_TSEC_ENET */ |
