HOST_ENABLE
__raw_writel(0, HOST_ENABLE(host));
__raw_writel(0, HOST_ENABLE(host));
__raw_writel(0, HOST_ENABLE(host));
__raw_writel(SD_ENABLE_CE, HOST_ENABLE(host));
__raw_writel(SD_ENABLE_R | SD_ENABLE_CE, HOST_ENABLE(host));