diff options
Diffstat (limited to 'drivers/net/fm/memac_phy.c')
| -rw-r--r-- | drivers/net/fm/memac_phy.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/fm/memac_phy.c b/drivers/net/fm/memac_phy.c index 5f910c2cdd..a155d8930b 100644 --- a/drivers/net/fm/memac_phy.c +++ b/drivers/net/fm/memac_phy.c @@ -71,6 +71,8 @@ int memac_mdio_read(struct mii_dev *bus, int port_addr, int dev_addr, u32 c45 = 1; if (dev_addr == MDIO_DEVAD_NONE) { + if (!strcmp(bus->name, DEFAULT_FM_TGEC_MDIO_NAME)) + return 0xffff; c45 = 0; /* clause 22 */ dev_addr = regnum & 0x1f; clrbits_be32(®s->mdio_stat, MDIO_STAT_ENC); @@ -137,9 +139,12 @@ int fm_memac_mdio_init(bd_t *bis, struct memac_mdio_info *info) * is zero, so MDIO clock is disabled. * So, for proper functioning of MDIO, MDIO_CLK_DIV bits needs to * be properly initialized. + * NEG bit default should be '1' as per FMAN-v3 RM, but on platform + * like T2080QDS, this bit default is '0', which leads to MDIO failure + * on XAUI PHY, so set this bit definitely. */ setbits_be32(&((struct memac_mdio_controller *)info->regs)->mdio_stat, - MDIO_STAT_CLKDIV(258)); + MDIO_STAT_CLKDIV(258) | MDIO_STAT_NEG); return mdio_register(bus); } |
