SPU_MEMORY_BASE
u32 __iomem *to = (u32 __iomem *) (SPU_MEMORY_BASE + toi);
__raw_writel(0xea000002, SPU_MEMORY_BASE);
.start = SPU_MEMORY_BASE,
.end = SPU_MEMORY_BASE + 0x200000 - 1,
writel(what, toi + SPU_MEMORY_BASE);