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authorSonic Zhang <sonic.zhang@analog.com>2015-01-29 14:38:50 +0800
committerTom Rini <trini@konsulko.com>2015-03-05 11:17:53 -0500
commitd2279221508b1c5e2398e821af6b088933a38103 (patch)
tree4d261e944e124065e03efd6a958a0b976f68c292 /drivers/net
parent2ddaf13bd28d9d9450831e84e30d617d2f49f1bd (diff)
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net: Support DMA threshold mode in DWMAC driver
- DMA threshold mode can be selected in board config head file. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/designware.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 7469e59..cc01604 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -253,8 +253,13 @@ static int dw_eth_init(struct eth_device *dev, bd_t *bis)
writel(FIXEDBURST | PRIORXTX_41 | DMA_PBL, &dma_p->busmode);
+#ifndef CONFIG_DW_MAC_FORCE_THRESHOLD_MODE
writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD,
&dma_p->opmode);
+#else
+ writel(readl(&dma_p->opmode) | FLUSHTXFIFO,
+ &dma_p->opmode);
+#endif
writel(readl(&dma_p->opmode) | RXSTART | TXSTART, &dma_p->opmode);