diff options
Diffstat (limited to 'drivers/net/mxc_fec.c')
| -rw-r--r-- | drivers/net/mxc_fec.c | 114 |
1 files changed, 55 insertions, 59 deletions
diff --git a/drivers/net/mxc_fec.c b/drivers/net/mxc_fec.c index 43ae26b..4f0ce3b 100644 --- a/drivers/net/mxc_fec.c +++ b/drivers/net/mxc_fec.c @@ -310,10 +310,7 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, int dup_spd) { unsigned short val = 0; - int ret; -#ifdef CONFIG_PHY_MICREL_KSZ9021 - int cnt; -#endif + int ret, cnt; #ifdef CONFIG_MX28 /* Dummy read with delay to get phy start working */ @@ -352,31 +349,7 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, }; } -/* for AR8031 PHY */ -#ifdef CONFIG_MX6Q_ARM2 - ret = 100; - /* set default mode to 100M full duplex */ - dup_spd = _100BASET | (FULL << 16); - - /* wait link becomes up, maximum wait 10s */ - while (!__fec_mii_read(fecp, addr, PHY_MIPSCR, &val) && - !(val & PHY_MIPSCR_LINK_UP) && ret--) - udelay(100*1000); - - if (ret) { - if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_1000M) - dup_spd = _1000BASET; - else if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_100M) - dup_spd = _100BASET; - else - dup_spd = _10BASET; - - if (val & PHY_MIPSCR_FULL_DUPLEX) - dup_spd |= (FULL << 16); - else - dup_spd |= (HALF << 16); - } -#elif defined(CONFIG_PHY_MICREL_KSZ9021) + /*wait the cable link*/ for (cnt = 0; cnt < 100; cnt++) { val = 0; ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); @@ -384,44 +357,67 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, break; udelay(100*1000); } + if (ret) { - /* set default speed and duplex */ + /* set default mode to 100M full duplex */ dup_spd = _100BASET | (FULL << 16); } else { - unsigned short reg31 = 0; - ret = __fec_mii_read(fecp, addr, 0x1f, ®31); if (val & PHY_BMSR_LS) { - printf("FEC: Link is Up %x, %x\n", val, reg31); + printf("FEC: Link is Up %x\n", val); } else { - printf("FEC: Link is down %x, %x\n", val, reg31); - } - if (reg31 & (1 << 6)) - dup_spd = _1000BASET; - else if (reg31 & (1 << 5)) - dup_spd = _100BASET; - else - dup_spd = _10BASET; - if (reg31 & (1 << 3)) - dup_spd |= (FULL << 16); - else - dup_spd |= (HALF << 16); + printf("FEC: Link is down %x\n", val); } +/* for AR8031 PHY */ +#ifdef CONFIG_MX6Q_ARM2 + ret = __fec_mii_read(fecp, addr, PHY_MIPSCR, &val); + if (ret) + dup_spd = _100BASET | (FULL << 16); + else { + if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_1000M) + dup_spd = _1000BASET; + else if ((val & PHY_MIPSCR_SPEED_MASK) == PHY_MIPSCR_100M) + dup_spd = _100BASET; + else + dup_spd = _10BASET; + + if (val & PHY_MIPSCR_FULL_DUPLEX) + dup_spd |= (FULL << 16); + else + dup_spd |= (HALF << 16); + } +#elif defined(CONFIG_PHY_MICREL_KSZ9021) + ret = __fec_mii_read(fecp, addr, 0x1f, &val); + if (ret) + dup_spd = _100BASET | (FULL << 16); + else { + if (val & (1 << 6)) + dup_spd = _1000BASET; + else if (val & (1 << 5)) + dup_spd = _100BASET; + else + dup_spd = _10BASET; + if (val & (1 << 3)) + dup_spd |= (FULL << 16); + else + dup_spd |= (HALF << 16); + } #else - ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); - if (ret) { - /* set default speed and duplex */ - dup_spd = _100BASET | (FULL << 16); - } else { - if (val & (PHY_BMSR_100TXF | PHY_BMSR_100TXH | PHY_BMSR_100T4)) - dup_spd = _100BASET; - else - dup_spd = _10BASET; - if (val & (PHY_BMSR_100TXF | PHY_BMSR_10TF)) - dup_spd |= (FULL << 16); - else - dup_spd |= (HALF << 16); - } + ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); + if (ret) + dup_spd = _100BASET | (FULL << 16); + else { + if (val & (PHY_BMSR_100TXF | PHY_BMSR_100TXH | PHY_BMSR_100T4)) + dup_spd = _100BASET; + else + dup_spd = _10BASET; + if (val & (PHY_BMSR_100TXF | PHY_BMSR_10TF)) + dup_spd |= (FULL << 16); + else + dup_spd |= (HALF << 16); + } #endif + } + if ((dup_spd >> 16) == FULL) { /* Set maximum frame length */ #ifdef CONFIG_RMII |