CCR2
[CCR2] = { 0x0024, 0x40, OMAP_DMA_REG_16BIT },
ccr = p->dma_read(CCR2, lch);
p->dma_write(ccr, CCR2, lch);
omap_dma_chan_write(c, CCR2, d->ccr >> 16);
rsci_serial_out(port, CCR2, ccr2_val);