diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-dev.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index e5391a2eca51..b646ae575e6a 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -211,6 +211,7 @@ static void xgbe_config_sph_mode(struct xgbe_prv_data *pdata) } XGMAC_IOWRITE_BITS(pdata, MAC_RCR, HDSMS, XGBE_SPH_HDSMS_SIZE); + pdata->sph = true; } static void xgbe_disable_sph_mode(struct xgbe_prv_data *pdata) @@ -223,6 +224,7 @@ static void xgbe_disable_sph_mode(struct xgbe_prv_data *pdata) XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_CR, SPH, 0); } + pdata->sph = false; } static int xgbe_write_rss_reg(struct xgbe_prv_data *pdata, unsigned int type, @@ -3578,3 +3580,20 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) DBGPR("<--xgbe_init_function_ptrs\n"); } + +int xgbe_enable_mac_loopback(struct xgbe_prv_data *pdata) +{ + /* Enable MAC loopback mode */ + XGMAC_IOWRITE_BITS(pdata, MAC_RCR, LM, 1); + + /* Wait for loopback to stabilize */ + usleep_range(10, 15); + + return 0; +} + +void xgbe_disable_mac_loopback(struct xgbe_prv_data *pdata) +{ + /* Disable MAC loopback mode */ + XGMAC_IOWRITE_BITS(pdata, MAC_RCR, LM, 0); +} |