-#define BCM43xx_MMIO_DMA1_BASE 0x200
-#define BCM43xx_MMIO_DMA2_BASE 0x220
-#define BCM43xx_MMIO_DMA3_BASE 0x240
-#define BCM43xx_MMIO_DMA4_BASE 0x260
+
+/* 32-bit DMA */
+#define BCM43xx_MMIO_DMA32_BASE0 0x200
+#define BCM43xx_MMIO_DMA32_BASE1 0x220
+#define BCM43xx_MMIO_DMA32_BASE2 0x240
+#define BCM43xx_MMIO_DMA32_BASE3 0x260
+#define BCM43xx_MMIO_DMA32_BASE4 0x280
+#define BCM43xx_MMIO_DMA32_BASE5 0x2A0
+/* 64-bit DMA */
+#define BCM43xx_MMIO_DMA64_BASE0 0x200
+#define BCM43xx_MMIO_DMA64_BASE1 0x240
+#define BCM43xx_MMIO_DMA64_BASE2 0x280
+#define BCM43xx_MMIO_DMA64_BASE3 0x2C0
+#define BCM43xx_MMIO_DMA64_BASE4 0x300
+#define BCM43xx_MMIO_DMA64_BASE5 0x340
+/* PIO */