diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-dev.c')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 67 |
1 files changed, 18 insertions, 49 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 98da24964f1f..a51ece52905f 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -174,52 +174,30 @@ static unsigned int xgbe_riwt_to_usec(struct xgbe_prv_data *pdata, return ret; } -static int xgbe_config_pblx8(struct xgbe_prv_data *pdata) +static int xgbe_config_pbl_val(struct xgbe_prv_data *pdata) { + unsigned int pblx8, pbl; unsigned int i; - for (i = 0; i < pdata->channel_count; i++) - XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_CR, PBLX8, - pdata->pblx8); - - return 0; -} - -static int xgbe_get_tx_pbl_val(struct xgbe_prv_data *pdata) -{ - return XGMAC_DMA_IOREAD_BITS(pdata->channel[0], DMA_CH_TCR, PBL); -} - -static int xgbe_config_tx_pbl_val(struct xgbe_prv_data *pdata) -{ - unsigned int i; - - for (i = 0; i < pdata->channel_count; i++) { - if (!pdata->channel[i]->tx_ring) - break; + pblx8 = DMA_PBL_X8_DISABLE; + pbl = pdata->pbl; - XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_TCR, PBL, - pdata->tx_pbl); + if (pdata->pbl > 32) { + pblx8 = DMA_PBL_X8_ENABLE; + pbl >>= 3; } - return 0; -} - -static int xgbe_get_rx_pbl_val(struct xgbe_prv_data *pdata) -{ - return XGMAC_DMA_IOREAD_BITS(pdata->channel[0], DMA_CH_RCR, PBL); -} - -static int xgbe_config_rx_pbl_val(struct xgbe_prv_data *pdata) -{ - unsigned int i; - for (i = 0; i < pdata->channel_count; i++) { - if (!pdata->channel[i]->rx_ring) - break; + XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_CR, PBLX8, + pblx8); + + if (pdata->channel[i]->tx_ring) + XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_TCR, + PBL, pbl); - XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_RCR, PBL, - pdata->rx_pbl); + if (pdata->channel[i]->rx_ring) + XGMAC_DMA_IOWRITE_BITS(pdata->channel[i], DMA_CH_RCR, + PBL, pbl); } return 0; @@ -2141,7 +2119,7 @@ static void xgbe_config_dma_bus(struct xgbe_prv_data *pdata) /* Set the System Bus mode */ XGMAC_IOWRITE_BITS(pdata, DMA_SBMR, UNDEF, 1); - XGMAC_IOWRITE_BITS(pdata, DMA_SBMR, BLEN_256, 1); + XGMAC_IOWRITE_BITS(pdata, DMA_SBMR, BLEN, pdata->blen >> 2); } static void xgbe_config_dma_cache(struct xgbe_prv_data *pdata) @@ -3381,9 +3359,7 @@ static int xgbe_init(struct xgbe_prv_data *pdata) xgbe_config_dma_bus(pdata); xgbe_config_dma_cache(pdata); xgbe_config_osp_mode(pdata); - xgbe_config_pblx8(pdata); - xgbe_config_tx_pbl_val(pdata); - xgbe_config_rx_pbl_val(pdata); + xgbe_config_pbl_val(pdata); xgbe_config_rx_coalesce(pdata); xgbe_config_tx_coalesce(pdata); xgbe_config_rx_buffer_size(pdata); @@ -3511,13 +3487,6 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) /* For TX DMA Operating on Second Frame config */ hw_if->config_osp_mode = xgbe_config_osp_mode; - /* For RX and TX PBL config */ - hw_if->config_rx_pbl_val = xgbe_config_rx_pbl_val; - hw_if->get_rx_pbl_val = xgbe_get_rx_pbl_val; - hw_if->config_tx_pbl_val = xgbe_config_tx_pbl_val; - hw_if->get_tx_pbl_val = xgbe_get_tx_pbl_val; - hw_if->config_pblx8 = xgbe_config_pblx8; - /* For MMC statistics support */ hw_if->tx_mmc_int = xgbe_tx_mmc_int; hw_if->rx_mmc_int = xgbe_rx_mmc_int; |