MSC0
msc[0] = __raw_readl(MSC0);
__raw_writel(msc[0], MSC0);
uint32_t msc0 = __raw_readl(MSC0);
__raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);
subdev->map.bankwidth = (MSC0 & MSC_RBW) ? 2 : 4;
subdev->map.bankwidth = ((MSC0 >> 16) & MSC_RBW) ? 2 : 4;