INTERRUPT_MASK
rocket_pc_writel(core, INTERRUPT_MASK, PC_INTERRUPT_MASK_DPU_0 | PC_INTERRUPT_MASK_DPU_1);
rocket_pc_writel(core, INTERRUPT_MASK, 0x0);
dbg_reg(dev, priv, INTERRUPT_MASK);
regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, val);
regmap_update_bits(priv->regmap, INTERRUPT_MASK, val, 0);