X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fmpc5xxx_fec.c;h=1876b7684b8af86a85bf8828709c2ff49a7656e1;hb=c041e9d212162f6c85cd3b6a40ad6ba9d9292451;hp=2bf901e138bec5faf46cd9c79111b5605e819a22;hpb=c50a6031670a90f799835db7bc1638a3e2a9f1f0;p=u-boot diff --git a/drivers/net/mpc5xxx_fec.c b/drivers/net/mpc5xxx_fec.c index 2bf901e138..1876b7684b 100644 --- a/drivers/net/mpc5xxx_fec.c +++ b/drivers/net/mpc5xxx_fec.c @@ -42,6 +42,8 @@ typedef struct { int fec5xxx_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal); int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data); +static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis); + /********************************************************************/ #if (DEBUG & 0x2) static void mpc5xxx_fec_phydump (char *devname) @@ -249,6 +251,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) printf ("mpc5xxx_fec_init... Begin\n"); #endif + mpc5xxx_fec_init_phy(dev, bis); + /* * Initialize RxBD/TxBD rings */ @@ -281,13 +285,6 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) } fec->eth->x_cntrl = 0x00000000; /* half-duplex, heartbeat disabled */ - if (fec->xcv_type != SEVENWIRE) { - /* - * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock - * and do not drop the Preamble. - */ - fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */ - } /* * Set Opcode/Pause Duration Register @@ -394,6 +391,11 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis) { mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv; const uint8 phyAddr = CONFIG_PHY_ADDR; /* Only one PHY */ + static int initialized = 0; + + if(initialized) + return 0; + initialized = 1; #if (DEBUG & 0x1) printf ("mpc5xxx_fec_init_phy... Begin\n"); @@ -640,6 +642,15 @@ static void mpc5xxx_fec_halt(struct eth_device *dev) */ udelay(10); + /* don't leave the MII speed set to zero */ + if (fec->xcv_type != SEVENWIRE) { + /* + * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock + * and do not drop the Preamble. + */ + fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */ + } + #if (DEBUG & 0x3) printf("Ethernet task stopped\n"); #endif @@ -897,6 +908,13 @@ int mpc5xxx_fec_initialize(bd_t * bis) #else #error fec->xcv_type not initialized. #endif + if (fec->xcv_type != SEVENWIRE) { + /* + * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock + * and do not drop the Preamble. + */ + fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */ + } dev->priv = (void *)fec; dev->iobase = MPC5XXX_FEC; @@ -928,8 +946,6 @@ int mpc5xxx_fec_initialize(bd_t * bis) mpc5xxx_fec_set_hwaddr(fec, env_enetaddr); } - mpc5xxx_fec_init_phy(dev, bis); - return 1; }