#define PLX_DMA_INTR_PCI_BIT 0x20000 // routes dma interrupt to pci bus (instead of local bus)
#define PLX_DMA0_PCI_ADDRESS_REG 0x84 // pci address that dma transfers start at
+#define PLX_DMA1_PCI_ADDRESS_REG 0x98
#define PLX_DMA0_LOCAL_ADDRESS_REG 0x88 // local address that dma transfers start at
+#define PLX_DMA1_LOCAL_ADDRESS_REG 0x9c
#define PLX_DMA0_TRANSFER_SIZE_REG 0x8c // number of bytes to transfer (first 23 bits)
+#define PLX_DMA1_TRANSFER_SIZE_REG 0xa0
#define PLX_DMA0_DESCRIPTOR_REG 0x90 // descriptor pointer register
#define PLX_DMA1_DESCRIPTOR_REG 0xa4