#define METAL_REV_B2 0x02
#define TG3PCI_DMA_RW_CTRL 0x0000006c
#define DMA_RWCTRL_DIS_CACHE_ALIGNMENT 0x00000001
+#define DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK 0x00000380
#define DMA_RWCTRL_READ_BNDRY_MASK 0x00000700
#define DMA_RWCTRL_READ_BNDRY_DISAB 0x00000000
#define DMA_RWCTRL_READ_BNDRY_16 0x00000100