SSCR
writel(sscr_val, i2s->base + SSCR);
val = readl(i2s->base + SSCR);
val = readl(i2s->base + SSCR);
writel(val, i2s->base + SSCR);
val = readl(i2s->base + SSCR);
writel(val, i2s->base + SSCR);
val = readl(i2s->base + SSCR);
writel(val, i2s->base + SSCR);