diff options
| author |   Hauke Mehrtens <hauke@hauke-m.de> | 2014-01-05 01:10:44 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-01-04 20:25:19 -0500 |
| commit | 56ceecde1f294ea022582723ea344994a452845f (patch) | |
| tree | 2ccc085f4a37d39d4a97a99d8ff1b3b83b2c5b5c /drivers/net/ethernet/broadcom/bgmac.c | |
| parent | bcma: export bcma_find_core_unit() (diff) | |
| download | linux-dev-56ceecde1f294ea022582723ea344994a452845f.tar.xz linux-dev-56ceecde1f294ea022582723ea344994a452845f.zip | |
bgmac: initialize the DMA controller of core rev >= 4
The DMA controller used in the device supported by GMAC with core rev
>= 4 has some new options which are now set to the default values used
in the Broadcom SDK.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bgmac.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 39efb864267e..aa5e289df822 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -96,6 +96,19 @@ static void bgmac_dma_tx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL); + if (bgmac->core->id.rev >= 4) { + ctl &= ~BGMAC_DMA_TX_BL_MASK; + ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT; + + ctl &= ~BGMAC_DMA_TX_MR_MASK; + ctl |= BGMAC_DMA_TX_MR_2 << BGMAC_DMA_TX_MR_SHIFT; + + ctl &= ~BGMAC_DMA_TX_PC_MASK; + ctl |= BGMAC_DMA_TX_PC_16 << BGMAC_DMA_TX_PC_SHIFT; + + ctl &= ~BGMAC_DMA_TX_PT_MASK; + ctl |= BGMAC_DMA_TX_PT_8 << BGMAC_DMA_TX_PT_SHIFT; + } ctl |= BGMAC_DMA_TX_ENABLE; ctl |= BGMAC_DMA_TX_PARITY_DISABLE; bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL, ctl); @@ -240,6 +253,16 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL); + if (bgmac->core->id.rev >= 4) { + ctl &= ~BGMAC_DMA_RX_BL_MASK; + ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT; + + ctl &= ~BGMAC_DMA_RX_PC_MASK; + ctl |= BGMAC_DMA_RX_PC_8 << BGMAC_DMA_RX_PC_SHIFT; + + ctl &= ~BGMAC_DMA_RX_PT_MASK; + ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT; + } ctl &= BGMAC_DMA_RX_ADDREXT_MASK; ctl |= BGMAC_DMA_RX_ENABLE; ctl |= BGMAC_DMA_RX_PARITY_DISABLE; |