DIR_RX            140 drivers/net/wan/hd64570.h #define DIR_RX(node) (DIR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))
DIR_RX            128 drivers/net/wan/hd64572.h #define DIR_RX(chan)	(0x4c + 2*chan)	/* DMA Interrupt Enable Reg (Rx) */