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| author | Mahesh Mahadevan <r9aadq@freescale.com> | 2011-10-20 06:48:04 -0500 |
|---|---|---|
| committer | Mahesh Mahadevan <r9aadq@freescale.com> | 2011-10-25 05:46:22 -0500 |
| commit | 35c0640af2c2eaea8684d090b61886ddcff2c4fd (patch) | |
| tree | 0f9bf1a0c1586b4ccf0db90c5e7522e7bdceff47 /drivers/net/mxc_fec.c | |
| parent | 12603b0bd079c70acd8bf029675b8819184cc240 (diff) | |
| download | u-boot-imx-35c0640af2c2eaea8684d090b61886ddcff2c4fd.zip u-boot-imx-35c0640af2c2eaea8684d090b61886ddcff2c4fd.tar.gz u-boot-imx-35c0640af2c2eaea8684d090b61886ddcff2c4fd.tar.bz2 | |
ENGR00160399 Added support for the MX6Q Sabre-lite board
Includes support for uSDHC read, write, FEC, SPI-NOR etc.
Signed-off-by: Mahesh Mahadevan <r9aadq@freescale.com>
Diffstat (limited to 'drivers/net/mxc_fec.c')
| -rw-r--r-- | drivers/net/mxc_fec.c | 65 |
1 files changed, 36 insertions, 29 deletions
diff --git a/drivers/net/mxc_fec.c b/drivers/net/mxc_fec.c index ec8178c..093b4e4 100644 --- a/drivers/net/mxc_fec.c +++ b/drivers/net/mxc_fec.c @@ -76,6 +76,9 @@ #define FEC_MII_WRITE(pa, ra, v) (FEC_MII_FRAME | FEC_MII_OP(FEC_MII_OP_WR)|\ FEC_MII_PA(pa) | FEC_MII_RA(ra) | FEC_MII_SET_DATA(v)) +#if defined (CONFIG_MX6Q) +extern int mx6_rgmii_rework(char *devname, int phy_addr); +#endif #ifdef CONFIG_MX6Q_SABREAUTO #define PHY_MIPSCR_LINK_UP (0x1 << 10) #define PHY_MIPSCR_SPEED_MASK (0x3 << 14) @@ -296,6 +299,7 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, { unsigned short val = 0; int ret; + int cnt; #ifdef CONFIG_MX28 /* Dummy read with delay to get phy start working */ @@ -358,6 +362,36 @@ static void setFecDuplexSpeed(volatile fec_t *fecp, unsigned char addr, else dup_spd |= (HALF << 16); } +#elif defined(CONFIG_PHY_MICREL_KSZ9021) + for (cnt = 0; cnt < 100; cnt++) { + val = 0; + ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); + if (val & PHY_BMSR_LS) + break; + udelay(100*1000); + } + if (ret) { + /* set default speed and 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); + } 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); + } #else ret = __fec_mii_read(fecp, addr, PHY_BMSR, &val); if (ret) { @@ -782,31 +816,6 @@ void dbgFecRegs(struct eth_device *dev) } #endif -#ifdef CONFIG_MX6Q_SABREAUTO -static int mx6_rgmii_rework(fec_t *fecp, int addr) -{ - unsigned short val; - - /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ - __fec_mii_write(fecp, addr, 0xd, 0x7); - __fec_mii_write(fecp, addr, 0xe, 0x8016); - __fec_mii_write(fecp, addr, 0xd, 0x4007); - __fec_mii_read(fecp, addr, 0xe, &val); - - val &= 0xffe3; - val |= 0x18; - __fec_mii_write(fecp, addr, 0xe, val); - - /* introduce tx clock delay */ - __fec_mii_write(fecp, addr, 0x1d, 0x5); - __fec_mii_read(fecp, addr, 0x1e, &val); - val |= 0x0100; - __fec_mii_write(fecp, addr, 0x1e, val); - - return 0; -} -#endif - int fec_init(struct eth_device *dev, bd_t *bd) { struct fec_info_s *info = dev->priv; @@ -817,13 +826,11 @@ int fec_init(struct eth_device *dev, bd_t *bd) fec_reset(dev); fec_localhw_setup((fec_t *)fecp); - #if defined (CONFIG_CMD_MII) || defined (CONFIG_MII) || \ defined (CONFIG_DISCOVER_PHY) - mxc_fec_mii_init(fecp); -#ifdef CONFIG_MX6Q_SABREAUTO - mx6_rgmii_rework((fec_t *)fecp, info->phy_addr); +#if defined (CONFIG_MX6Q) + mx6_rgmii_rework(dev->name, info->phy_addr); #endif #ifdef CONFIG_DISCOVER_PHY |