REG_RX_CFG
writel(val, cp->regs + REG_RX_CFG);
writel(0, cp->regs + REG_RX_CFG);
if (!(readl(cp->regs + REG_RX_CFG) & RX_CFG_DMA_EN))
val = readl(cp->regs + REG_RX_CFG);
writel(val | RX_CFG_DMA_EN, cp->regs + REG_RX_CFG);
readl(cp->regs + REG_RX_CFG),
val = readl(cp->regs + REG_RX_CFG) | RX_CFG_DMA_EN;
writel(val, cp->regs + REG_RX_CFG);
val = readl(cp->regs + REG_RX_CFG);
writel(val, cp->regs + REG_RX_CFG);
{REG_RX_CFG},