diff --git a/board/evb64260/zuma_pbb.h b/board/evb64260/zuma_pbb.h
new file mode 100644
index 0000000..663e10c
--- /dev/null
+++ b/board/evb64260/zuma_pbb.h
@@ -0,0 +1,346 @@
+#ifndef ZUMA_PBB_H
+#define ZUMA_PBB_H
+
+#define MAX_NUM_BUFFER_PER_RING	32
+
+#ifdef __BIG_ENDIAN
+#define cpu_bits _be_s_bits	/* use with le32_to_cpu only */
+#define pci_bits _be_bits	/* may contain swapped bytes,
+				   but dont need le32_to_cpu */
+#endif
+
+#ifdef __LITTLE_ENDIAN
+#define cpu_bits _le_bits
+#define pci_bits _le_bits
+#endif
+
+#define VENDOR_ID_ZUMA		0x1172
+#define DEVICE_ID_ZUMA_PBB	0x0004
+
+#define RXDBP(chan)		(&sip->rx_desc[chan].base)	/* ch*8      */
+#define RXDP(chan)		(&sip->rx_desc[chan].current)	/* ch*8 +  4 */
+#define TXDBP(chan)		(&sip->tx_desc[chan].base)	/* ch*8 + 64 */
+#define TXDP(chan)		(&sip->tx_desc[chan].current)	/* ch*8 + 68 */
+
+#define PBB_DMA_OWN_BIT		0x80000000
+#define PBB_DMA_LAST_BIT	0x40000000
+
+#define EOF_RX_FLAG		1	/* bit 0 */
+#define EOB_RX_FLAG		2	/* bit 1 */
+#define EOF_TX_FLAG		4	/* bit 2 */
+#define EOB_TX_FLAG		8	/* bit 3 */
+
+#define TX_MODE(m)		(((m)&7) << 16)
+
+#define RX_DESC(i)		(cs->rx_desc[i])
+#define TX_DESC(i)		(cs->tx_desc[i])
+
+#define RX_CONTROL(i)		(RX_DESC(i).control.word)
+#define RX_CONTROL_SIZE(i)	(RX_DESC(i).control.rx.size)
+#define TX_CONTROL(i)		(TX_DESC(i).control.word)
+
+#define RX_DATA_P(i)		(&RX_DESC(i).ptr)
+#define TX_DATA_P(i)		(&TX_DESC(i).ptr)
+
+typedef volatile unsigned char V8;
+typedef volatile unsigned short V16;
+typedef volatile unsigned int V32;
+
+/* RAM descriptor layout */
+typedef struct _tag_dma_descriptor {
+    V32 ptr;
+    union {
+	struct {
+	    V32 owner:1;
+	    V32 last:1;
+	    V32 reserved0: 10;
+	    V32 tx_mode: 4;
+
+	    V32 reserved1: 5;
+	    V32 size: 11;
+	} tx;
+	struct {
+	    V32 owner:1;
+	    V32 last:1;
+	    V32 reserved0: 14;
+
+	    V32 reserved1: 5;
+	    V32 size: 11;
+	} rx;
+	V32 word;
+    } control;
+} DMA_DESCRIPTOR;
+
+/*
+ * NOTE: DO NOT USE structure to write non-word values... all registers
+ * MUST be written 4 bytes at a time in SI version 0.
+ * Non-word writes will result in "unaccessed" bytes written as zero.
+ *
+ * Byte reads are allowed.
+ *
+ * V32 pads are because the registers are spaced every 8 bytes (64 bits)
+ *
+ */
+
+/* NOTE!!! 4 dwords */
+typedef struct _tag_dma_descriptor_ring {
+    DMA_DESCRIPTOR *base;
+    V32 pad1;	/* skip high dword */
+    volatile DMA_DESCRIPTOR *current;
+    V32 pad3;	/* skip high dword */
+} DMA_DESCRIPTOR_RING;
+
+/* 1 dword */
+typedef union _tag_dma_generic {
+    struct {	/* byte 3 2 1 0 */
+	V32 chan7:4;	/* bits 31-28 */
+	V32 chan6:4;	/* bits 27-24 */
+	V32 chan5:4;	/* bits 23-20 */
+	V32 chan4:4;	/* bits 19-16 */
+	V32 chan3:4;	/* bits 15-12 */
+	V32 chan2:4;	/* bits 11-8 */
+	V32 chan1:4;	/* bits 7-4 */
+	V32 chan0:4;	/* bits 3-0 */
+    } _be_s_bits;
+    struct {	/* byte 0 1 2 3 */
+	V32 chan1:4;	/* bits 7-4 */
+	V32 chan0:4;	/* bits 3-0 */
+	V32 chan3:4;	/* bits 15-12 */
+	V32 chan2:4;	/* bits 11-8 */
+	V32 chan5:4;	/* bits 23-20 */
+	V32 chan4:4;	/* bits 19-16 */
+	V32 chan7:4;	/* bits 31-28 */
+	V32 chan6:4;	/* bits 27-24 */
+    } _be_bits;
+    struct {	/* byte 0 1 2 3 */
+	V32 chan0:4;	/* bits 0-3 */
+	V32 chan1:4;	/* bits 4-7 */
+	V32 chan2:4;	/* bits 8-11 */
+	V32 chan3:4;	/* bits 12-15 */
+	V32 chan4:4;	/* bits 16-19 */
+	V32 chan5:4;	/* bits 20-23 */
+	V32 chan6:4;	/* bits 24-27 */
+	V32 chan7:4;	/* bits 28-31 */
+    } _le_bits;
+    V8 byte[4];
+    V32 word;
+} DMA_RXTX_ENABLE, DMA_RX_DELETE,
+  DMA_INT_STATUS, DMA_INT_MASK,
+  DMA_RX_LEVEL_STATUS, DMA_RX_LEVEL_INT_MASK;
+
+/* 1 dword */
+typedef union _tag_dma_rx_timer{
+    struct {
+	V32 res0:8;	/* bits 32-24 */
+	V32 res1:7;	/* bits 23-17 */
+	V32 enable:1;	/* bit 16 */
+	V32 value:16;	/* bits 15-0 */
+    } _be_s_bits;
+    struct {
+	/* crosses byte boundary. must use swap. */
+	V32 s_value:16;	/* bits 7-0,15-8 */
+	V32 enable:1;	/* bit 16 */
+	V32 res1:7;	/* bits 23-17 */
+	V32 res0:8;	/* bits 32-24 */
+    } _be_bits;
+    struct {
+	V32 value:16;	/* bits 0-15 */
+	V32 enable:1;	/* bit 16 */
+	V32 res1:7;	/* bits 17-23 */
+	V32 res0:8;	/* bits 24-32 */
+    } _le_bits;
+    V8 byte[4];
+    V32 word;
+} DMA_RX_TIMER;
+
+/* NOTE!!!: 2 dwords */
+typedef struct _tag_dma_desc_level{
+    union {
+	struct {
+	    V32 res1:8;	/* bits 31-24 */
+	    V32 res0:7;	/* bits 23-17 */
+	    V32 write:1;	/* bit 16 */
+	    V32 thresh:8;	/* bits 15-8 */
+	    V32 level:8;	/* bits 7-0 */
+	} _be_s_bits;
+	struct {
+	    V32 level:8;	/* bits 7-0 */
+	    V32 thresh:8;	/* bits 15-8 */
+	    V32 res0:7;	/* bits 30-17 */
+	    V32 write:1;	/* bit 16 */
+	    V32 res1:8;	/* bits 31-24 */
+	} _be_bits;
+	struct {
+	    V32 level:8;	/* bits 0-7 */
+	    V32 thresh:8;	/* bits 8-15 */
+	    V32 write:1;	/* bit 16 */
+	    V32 res0:7;	/* bit 17-30 */
+	    V32 res1:8;	/* bits 24-31 */
+	} _le_bits;
+	V8 byte[4];
+    	V32 word;
+    } desc;
+    V32 pad1;
+} DMA_DESC_LEVEL;
+
+typedef struct _tag_pbb_dma_reg_map {
+    /* 0-15 (0x000-0x078) */
+    DMA_DESCRIPTOR_RING rx_desc[8];	/* 4 dwords each, 128 bytes tot. */
+
+    /* 16-31 (0x080-0x0f8) */
+    DMA_DESCRIPTOR_RING tx_desc[8];	/* 4 dwords each, 128 bytes tot. */
+
+    /* 32/33 (0x100/0x108) */
+    V32 reserved_32;
+    V32 pad_32;
+    V32 reserved_33;
+    V32 pad_33;
+
+    /* 34 (0x110) */
+    DMA_RXTX_ENABLE rxtx_enable;
+    V32 pad_34;
+
+    /* 35 (0x118) */
+    DMA_RX_DELETE rx_delete;
+    V32 pad_35;
+
+    /* 36-38 (0x120-0x130) */
+    DMA_INT_STATUS status;
+    V32 pad_36;
+    DMA_INT_STATUS last_status;
+    V32 pad_37;
+    DMA_INT_MASK int_mask;
+    V32 pad_38;
+
+    /* 39/40 (0x138/0x140) */
+    union {
+        /* NOTE!! 4 dwords */
+	struct {
+	    V32 channel_3:8;
+	    V32 channel_2:8;
+	    V32 channel_1:8;
+	    V32 channel_0:8;
+	    V32 pad1;
+	    V32 channel_7:8;
+	    V32 channel_6:8;
+	    V32 channel_5:8;
+	    V32 channel_4:8;
+	    V32 pad3;
+	} _be_s_bits;
+	struct {
+	    V32 channel_0:8;
+	    V32 channel_1:8;
+	    V32 channel_2:8;
+	    V32 channel_3:8;
+	    V32 pad1;
+	    V32 channel_4:8;
+	    V32 channel_5:8;
+	    V32 channel_6:8;
+	    V32 channel_7:8;
+	    V32 pad3;
+	} _be_bits, _le_bits;
+	V8 byte[16];
+	V32 word[4];
+    } rx_size;
+
+    /* 41/42 (0x148/0x150) */
+    V32 reserved_41;
+    V32 pad_41;
+    V32 reserved_42;
+    V32 pad_42;
+
+    /* 43/44 (0x158/0x160) */
+    DMA_RX_LEVEL_STATUS rx_level_status;
+    V32 pad_43;
+    DMA_RX_LEVEL_INT_MASK rx_level_int_mask;
+    V32 pad_44;
+
+    /* 45 (0x168) */
+    DMA_RX_TIMER rx_timer;
+    V32 pad_45;
+
+    /* 46 (0x170) */
+    V32 reserved_46;
+    V32 pad_46;
+
+    /* 47 (0x178) */
+    V32 mbox_status;
+    V32 pad_47;
+
+    /* 48/49 (0x180/0x188) */
+    V32 mbox_out;
+    V32 pad_48;
+    V32 mbox_in;
+    V32 pad_49;
+
+    /* 50 (0x190) */
+    V32 config;
+    V32 pad_50;
+
+    /* 51/52 (0x198/0x1a0) */
+    V32 c2a_ctr;
+    V32 pad_51;
+    V32 a2c_ctr;
+    V32 pad_52;
+
+    /* 53 (0x1a8) */
+    union {
+	struct {
+	    V32 rev_major:8;	/* bits 31-24 */
+	    V32 rev_minor:8;	/* bits 23-16 */
+	    V32 reserved:16;	/* bits 15-0 */
+	} _be_s_bits;
+	struct {
+	    V32 s_reserved:16;	/* bits 7-0, 15-8 */
+	    V32 rev_minor:8;	/* bits 23-16 */
+	    V32 rev_major:8;	/* bits 31-24 */
+	} _be_bits;
+	struct {
+	    V32 reserved:16;	/* bits 0-15 */
+	    V32 rev_minor:8;	/* bits 16-23 */
+	    V32 rev_major:8;	/* bits 24-31 */
+	} _le_bits;
+	V8 byte[4];
+	V32 word;
+    } version;
+    V32 pad_53;
+
+    /* 54-59 (0x1b0-0x1d8) */
+    V32 debug_54;
+    V32 pad_54;
+    V32 debug_55;
+    V32 pad_55;
+    V32 debug_56;
+    V32 pad_56;
+    V32 debug_57;
+    V32 pad_57;
+    V32 debug_58;
+    V32 pad_58;
+    V32 debug_59;
+    V32 pad_59;
+
+    /* 60 (0x1e0) */
+    V32 timestamp;
+    V32 pad_60;
+
+    /* 61-63 (0x1e8-0x1f8) */
+    V32 debug_61;
+    V32 pad_61;
+    V32 debug_62;
+    V32 pad_62;
+    V32 debug_63;
+    V32 pad_63;
+
+    /* 64-71 (0x200 - 0x238) */
+    DMA_DESC_LEVEL rx_desc_level[8];	/* 2 dwords each, 32 bytes tot. */
+
+    /* 72-98 (0x240 - 0x2f8) */
+    /* reserved */
+
+    /* 96-127 (0x300 - 0x3f8) */
+    /* mirrors (0x100 - 0x1f8) */
+
+} PBB_DMA_REG_MAP;
+
+
+#endif /* ZUMA_PBB_H */