From: Sonic Zhang <sonic.zhang@analog.com>
Date: Thu, 29 Jan 2015 06:38:50 +0000 (+0800)
Subject: net: Support DMA threshold mode in DWMAC driver
X-Git-Tag: v2015.04-rc4~105
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d2279221508b1c5e2398e821af6b088933a38103;p=oweals%2Fu-boot.git

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>
---

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);