L2SW_CPU_CNTL
reg = readl(comm->l2sw_reg_base + L2SW_CPU_CNTL);
writel(reg, comm->l2sw_reg_base + L2SW_CPU_CNTL);
reg = readl(comm->l2sw_reg_base + L2SW_CPU_CNTL);
writel(reg, comm->l2sw_reg_base + L2SW_CPU_CNTL);
reg = readl(comm->l2sw_reg_base + L2SW_CPU_CNTL);
writel((reg & (~mask)) | ((~rx_mode) & mask), comm->l2sw_reg_base + L2SW_CPU_CNTL);
netdev_dbg(ndev, "cpu_cntl = %08x\n", readl(comm->l2sw_reg_base + L2SW_CPU_CNTL));
reg = readl(comm->l2sw_reg_base + L2SW_CPU_CNTL);
writel(reg, comm->l2sw_reg_base + L2SW_CPU_CNTL);
reg = readl(comm->l2sw_reg_base + L2SW_CPU_CNTL);
writel(reg, comm->l2sw_reg_base + L2SW_CPU_CNTL);