diff options
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 28 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-main.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 17 |
3 files changed, 37 insertions, 18 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index d6a45ced8adb..699cff5d3184 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1455,23 +1455,23 @@ static void xgbe_config_dma_cache(struct xgbe_prv_data *pdata) unsigned int arcache, awcache; arcache = 0; - XGMAC_SET_BITS(arcache, DMA_AXIARCR, DRC, XGBE_DMA_ARCACHE); - XGMAC_SET_BITS(arcache, DMA_AXIARCR, DRD, XGBE_DMA_ARDOMAIN); - XGMAC_SET_BITS(arcache, DMA_AXIARCR, TEC, XGBE_DMA_ARCACHE); - XGMAC_SET_BITS(arcache, DMA_AXIARCR, TED, XGBE_DMA_ARDOMAIN); - XGMAC_SET_BITS(arcache, DMA_AXIARCR, THC, XGBE_DMA_ARCACHE); - XGMAC_SET_BITS(arcache, DMA_AXIARCR, THD, XGBE_DMA_ARDOMAIN); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, DRC, pdata->arcache); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, DRD, pdata->axdomain); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, TEC, pdata->arcache); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, TED, pdata->axdomain); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, THC, pdata->arcache); + XGMAC_SET_BITS(arcache, DMA_AXIARCR, THD, pdata->axdomain); XGMAC_IOWRITE(pdata, DMA_AXIARCR, arcache); awcache = 0; - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, DWC, XGBE_DMA_AWCACHE); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, DWD, XGBE_DMA_AWDOMAIN); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RPC, XGBE_DMA_AWCACHE); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RPD, XGBE_DMA_AWDOMAIN); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RHC, XGBE_DMA_AWCACHE); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RHD, XGBE_DMA_AWDOMAIN); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, TDC, XGBE_DMA_AWCACHE); - XGMAC_SET_BITS(awcache, DMA_AXIAWCR, TDD, XGBE_DMA_AWDOMAIN); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, DWC, pdata->awcache); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, DWD, pdata->axdomain); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RPC, pdata->awcache); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RPD, pdata->axdomain); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RHC, pdata->awcache); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, RHD, pdata->axdomain); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, TDC, pdata->awcache); + XGMAC_SET_BITS(awcache, DMA_AXIAWCR, TDD, pdata->axdomain); XGMAC_IOWRITE(pdata, DMA_AXIAWCR, awcache); } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index b411ac557c47..d5a4f76e9474 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -297,6 +297,16 @@ static int xgbe_probe(struct platform_device *pdev) *(dev->dma_mask) = DMA_BIT_MASK(40); dev->coherent_dma_mask = DMA_BIT_MASK(40); + if (of_property_read_bool(dev->of_node, "dma-coherent")) { + pdata->axdomain = XGBE_DMA_OS_AXDOMAIN; + pdata->arcache = XGBE_DMA_OS_ARCACHE; + pdata->awcache = XGBE_DMA_OS_AWCACHE; + } else { + pdata->axdomain = XGBE_DMA_SYS_AXDOMAIN; + pdata->arcache = XGBE_DMA_SYS_ARCACHE; + pdata->awcache = XGBE_DMA_SYS_AWCACHE; + } + ret = platform_get_irq(pdev, 0); if (ret < 0) { dev_err(dev, "platform_get_irq failed\n"); diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index eef8ea1dee47..9e24b296e272 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -143,10 +143,14 @@ #define XGBE_MAX_DMA_CHANNELS 16 /* DMA cache settings - Outer sharable, write-back, write-allocate */ -#define XGBE_DMA_ARDOMAIN 0x2 -#define XGBE_DMA_ARCACHE 0xb -#define XGBE_DMA_AWDOMAIN 0x2 -#define XGBE_DMA_AWCACHE 0xf +#define XGBE_DMA_OS_AXDOMAIN 0x2 +#define XGBE_DMA_OS_ARCACHE 0xb +#define XGBE_DMA_OS_AWCACHE 0xf + +/* DMA cache settings - System, no caches used */ +#define XGBE_DMA_SYS_AXDOMAIN 0x3 +#define XGBE_DMA_SYS_ARCACHE 0x0 +#define XGBE_DMA_SYS_AWCACHE 0x0 #define XGBE_DMA_INTERRUPT_MASK 0x31c7 @@ -536,6 +540,11 @@ struct xgbe_prv_data { struct xgbe_hw_if hw_if; struct xgbe_desc_if desc_if; + /* AXI DMA settings */ + unsigned int axdomain; + unsigned int arcache; + unsigned int awcache; + /* Rings for Tx/Rx on a DMA channel */ struct xgbe_channel *channel; unsigned int channel_count; |