diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/mxc_fec.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/net/mxc_fec.c b/drivers/net/mxc_fec.c index 071c795..43ae26b 100644 --- a/drivers/net/mxc_fec.c +++ b/drivers/net/mxc_fec.c @@ -168,6 +168,10 @@ struct fec_info_s fec_info[] = { }, }; +static int mxc_fec_mii_read(char *devname, unsigned char addr, + unsigned char reg, unsigned short *value); +static int mxc_fec_mii_write(char *devname, unsigned char addr, + unsigned char reg, unsigned short value); int fec_send(struct eth_device *dev, volatile void *packet, int length); int fec_recv(struct eth_device *dev); int fec_init(struct eth_device *dev, bd_t *bd); @@ -182,6 +186,14 @@ static void mxc_fec_mii_init(volatile fec_t *fecp) fecp->mscr = (fecp->mscr & (~0x7E)) | (((clk + 499999) / 5000000) << 1); } +static void mxc_fec_phy_powerup(char *devname, int phy_addr) +{ + unsigned short value; + mxc_fec_mii_read(devname, phy_addr, PHY_BMCR, &value); + if (value & PHY_BMCR_POWD) + mxc_fec_mii_write(devname, phy_addr, PHY_BMCR, (value & ~PHY_BMCR_POWD)); +} + static inline int __fec_mii_read(volatile fec_t *fecp, unsigned char addr, unsigned char reg, unsigned short *value) { @@ -818,22 +830,31 @@ void dbgFecRegs(struct eth_device *dev) } #endif -int fec_init(struct eth_device *dev, bd_t *bd) +static void fec_mii_phy_init(struct eth_device *dev) { struct fec_info_s *info = dev->priv; volatile fec_t *fecp = (fec_t *) (info->iobase); - int i; - u8 *ea = NULL; fec_reset(dev); - - fec_localhw_setup((fec_t *)fecp); + fec_localhw_setup(fecp); #if defined (CONFIG_CMD_MII) || defined (CONFIG_MII) || \ defined (CONFIG_DISCOVER_PHY) mxc_fec_mii_init(fecp); #if defined (CONFIG_MX6Q) mx6_rgmii_rework(dev->name, info->phy_addr); #endif + mxc_fec_phy_powerup(dev->name, info->phy_addr); + +} + +int fec_init(struct eth_device *dev, bd_t *bd) +{ + struct fec_info_s *info = dev->priv; + volatile fec_t *fecp = (fec_t *) (info->iobase); + int i; + u8 *ea = NULL; + + fec_mii_phy_init(dev); #ifdef CONFIG_DISCOVER_PHY if (info->phy_addr < 0 || info->phy_addr > 0x1F) @@ -1038,7 +1059,6 @@ int mxc_fec_initialize(bd_t *bis) miiphy_register(dev->name, mxc_fec_mii_read, mxc_fec_mii_write); #endif - if (fec_get_hwaddr(dev, ethaddr) == 0) { printf("got MAC address from IIM: %pM\n", ethaddr); memcpy(dev->enetaddr, ethaddr, 6); |