diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index d7447b05f7a5..aacc4aa80e3c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -81,8 +81,7 @@ static void dwmac1000_dma_axi(void __iomem *ioaddr, struct stmmac_axi *axi) } static void dwmac1000_dma_init(void __iomem *ioaddr, - struct stmmac_dma_cfg *dma_cfg, - u32 dma_tx, u32 dma_rx, int atds) + struct stmmac_dma_cfg *dma_cfg, int atds) { u32 value = readl(ioaddr + DMA_BUS_MODE); int txpbl = dma_cfg->txpbl ?: dma_cfg->pbl; @@ -119,12 +118,22 @@ static void dwmac1000_dma_init(void __iomem *ioaddr, /* Mask interrupts by writing to CSR7 */ writel(DMA_INTR_DEFAULT_MASK, ioaddr + DMA_INTR_ENA); +} - /* RX/TX descriptor base address lists must be written into - * DMA CSR3 and CSR4, respectively - */ - writel(dma_tx, ioaddr + DMA_TX_BASE_ADDR); - writel(dma_rx, ioaddr + DMA_RCV_BASE_ADDR); +static void dwmac1000_dma_init_rx(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, + u32 dma_rx_phy, u32 chan) +{ + /* RX descriptor base address list must be written into DMA CSR3 */ + writel(dma_rx_phy, ioaddr + DMA_RCV_BASE_ADDR); +} + +static void dwmac1000_dma_init_tx(void __iomem *ioaddr, + struct stmmac_dma_cfg *dma_cfg, + u32 dma_tx_phy, u32 chan) +{ + /* TX descriptor base address list must be written into DMA CSR4 */ + writel(dma_tx_phy, ioaddr + DMA_TX_BASE_ADDR); } static u32 dwmac1000_configure_fc(u32 csr6, int rxfifosz) @@ -264,6 +273,8 @@ static void dwmac1000_rx_watchdog(void __iomem *ioaddr, u32 riwt, const struct stmmac_dma_ops dwmac1000_dma_ops = { .reset = dwmac_dma_reset, .init = dwmac1000_dma_init, + .init_rx_chan = dwmac1000_dma_init_rx, + .init_tx_chan = dwmac1000_dma_init_tx, .axi = dwmac1000_dma_axi, .dump_regs = dwmac1000_dump_dma_regs, .dma_rx_mode = dwmac1000_dma_operation_mode_rx, |