mtsr
mtsr(mfsr(addr) | SR_KS, addr);
mtsr(mfsr(addr) & ~SR_KS, addr);
mtsr(val + n * 0x111, n << 28);
mtsr \sr, \reg1
mtsr(mfsr(i << 28) | 0x10000000, i << 28);
u32 bsr = 0, mtsr = 0; /* to shut the compiler up */
mtsr = config->dst_addr_width;
mtsr = config->src_addr_width;
hsu_chan_writel(hsuc, HSU_CH_MTSR, mtsr);