From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sonic Zhang Date: Thu, 29 Jan 2015 14:38:50 +0800 Subject: [U-Boot] [PATCH] net: Support DMA threshold mode in DWMAC driver Message-ID: <1422513530-17861-1-git-send-email-sonic.adi@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Sonic Zhang - 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 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