diff options
Diffstat (limited to 'drivers/net/ethernet/ti/icssg/icssg_config.c')
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_config.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_config.c b/drivers/net/ethernet/ti/icssg/icssg_config.c index b272361e378f..99de8a40ed60 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_config.c +++ b/drivers/net/ethernet/ti/icssg/icssg_config.c @@ -433,6 +433,17 @@ int emac_set_port_state(struct prueth_emac *emac, return ret; } +void icssg_config_half_duplex(struct prueth_emac *emac) +{ + u32 val; + + if (!emac->half_duplex) + return; + + val = get_random_u32(); + writel(val, emac->dram.va + HD_RAND_SEED_OFFSET); +} + void icssg_config_set_speed(struct prueth_emac *emac) { u8 fw_speed; @@ -453,5 +464,8 @@ void icssg_config_set_speed(struct prueth_emac *emac) return; } + if (emac->duplex == DUPLEX_HALF) + fw_speed |= FW_LINK_SPEED_HD; + writeb(fw_speed, emac->dram.va + PORT_LINK_SPEED_OFFSET); } |