From 3a73e76d8eb7998f499965074ebd1bcab5c96517 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 29 Jan 2015 14:38:50 +0800 Subject: [PATCH] net: Support DMA threshold mode in DWMAC driver - DMA threshold mode can be selected in board config head file. Signed-off-by: Sonic Zhang --- drivers/net/designware.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 7469e59d49..cc01604e60 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); -- 2.39.5