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net: Support DMA threshold mode in DWMAC driver

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

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
This commit is contained in:
Sonic Zhang 2015-01-29 14:38:50 +08:00 • committed by Tom Rini
parent 2ddaf13bd2
commit d227922150
1 changed files with 5 additions and 0 deletions
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5
drivers/net/designware.c
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@ -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);