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| author | Gabor Juhos <juhosg@openwrt.org> | 2009-10-26 17:17:34 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2009-10-26 17:17:34 +0000 |
| commit | 82cc25d5f0d1b60dd41f8b2c15cd1ec34aff6fe3 (patch) | |
| tree | 1db57775f075e431475b440a1d905b6aab75f313 /target/linux/ramips/files/drivers | |
| parent | f69b042df920a3e16691c90f8b6b5dfb257097b3 (diff) | |
| download | upstream-82cc25d5f0d1b60dd41f8b2c15cd1ec34aff6fe3.tar.gz upstream-82cc25d5f0d1b60dd41f8b2c15cd1ec34aff6fe3.tar.bz2 upstream-82cc25d5f0d1b60dd41f8b2c15cd1ec34aff6fe3.zip | |
ramips: add ramips_setup_dma helper to the ethernet driver
SVN-Revision: 18170
Diffstat (limited to 'target/linux/ramips/files/drivers')
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index a4118ab6d0..30840965a6 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -80,10 +80,6 @@ ramips_alloc_dma(struct net_device *dev) priv->tx[i].txd4 &= (TX_DMA_QN_MASK | TX_DMA_PN_MASK); priv->tx[i].txd4 |= TX_DMA_QN(3) | TX_DMA_PN(1); } - ramips_fe_wr(phys_to_bus(priv->phy_tx), RAMIPS_TX_BASE_PTR0); - ramips_fe_wr(NUM_TX_DESC, RAMIPS_TX_MAX_CNT0); - ramips_fe_wr(0, RAMIPS_TX_CTX_IDX0); - ramips_fe_wr(RAMIPS_PST_DTX_IDX0, RAMIPS_PDMA_RST_CFG); /* setup rx ring */ priv->rx = dma_alloc_coherent(NULL, @@ -100,12 +96,24 @@ ramips_alloc_dma(struct net_device *dev) priv->rx[i].rxd2 |= RX_DMA_LSO; priv->rx_skb[i] = new_skb; } + + return 0; +} + +static void +ramips_setup_dma(struct net_device *dev) +{ + struct raeth_priv *priv = netdev_priv(dev); + + ramips_fe_wr(phys_to_bus(priv->phy_tx), RAMIPS_TX_BASE_PTR0); + ramips_fe_wr(NUM_TX_DESC, RAMIPS_TX_MAX_CNT0); + ramips_fe_wr(0, RAMIPS_TX_CTX_IDX0); + ramips_fe_wr(RAMIPS_PST_DTX_IDX0, RAMIPS_PDMA_RST_CFG); + ramips_fe_wr(phys_to_bus(priv->phy_rx), RAMIPS_RX_BASE_PTR0); ramips_fe_wr(NUM_RX_DESC, RAMIPS_RX_MAX_CNT0); ramips_fe_wr((NUM_RX_DESC - 1), RAMIPS_RX_CALC_IDX0); ramips_fe_wr(RAMIPS_PST_DRX_IDX0, RAMIPS_PDMA_RST_CFG); - - return 0; } static int @@ -271,6 +279,7 @@ ramips_eth_open(struct net_device *dev) struct raeth_priv *priv = netdev_priv(dev); ramips_alloc_dma(dev); + ramips_setup_dma(dev); ramips_fe_wr((ramips_fe_rr(RAMIPS_PDMA_GLO_CFG) & 0xff) | (RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS), |