diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fm/memac_phy.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/fm/memac_phy.c b/drivers/net/fm/memac_phy.c index e432ae7..a155d89 100644 --- a/drivers/net/fm/memac_phy.c +++ b/drivers/net/fm/memac_phy.c @@ -139,9 +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); } |