[U-Boot] [PATCH] net: Support DMA threshold mode in DWMAC driver

[Sonic Zhang]

From: Sonic Zhang <sonic.zhang at analog.com>

- DMA threshold mode can be selected in board config head file.

Signed-off-by: Sonic Zhang <sonic.zhang at analog.com>
---

 drivers/net/designware.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 51eff85..bc3c88f 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -251,8 +251,13 @@ 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);
 
-- 
1.7.9.5