[Blackfin][PATCH] Add BF537 stamp board support
diff --git a/board/bf537-stamp/ether_bf537.h b/board/bf537-stamp/ether_bf537.h
new file mode 100644
index 0000000..64240ba
--- /dev/null
+++ b/board/bf537-stamp/ether_bf537.h
@@ -0,0 +1,110 @@
+#define PHYADDR			0x01
+#define NO_PHY_REGS		0x20
+
+#define DEFAULT_PHY_PHYID1	0x0007
+#define DEFAULT_PHY_PHYID2	0xC0A3
+#define PHY_MODECTL		0x00
+#define PHY_MODESTAT		0x01
+#define PHY_PHYID1		0x02
+#define PHY_PHYID2		0x03
+#define PHY_ANAR		0x04
+#define PHY_ANLPAR		0x05
+#define PHY_ANER		0x06
+
+#define PHY_RESET		0x8000
+#define PHY_ANEG_EN		0x1000
+#define PHY_DUPLEX		0x0100
+#define PHY_SPD_SET		0x2000
+
+#define RECV_BUFSIZE		(0x614)
+
+typedef volatile u32 reg32;
+typedef volatile u16 reg16;
+
+typedef struct ADI_DMA_CONFIG_REG {
+	u16 b_DMA_EN:1;		/* 0	Enabled				*/
+	u16 b_WNR:1;		/* 1	Direction			*/
+	u16 b_WDSIZE:2;		/* 2:3	Transfer word size		*/
+	u16 b_DMA2D:1;		/* 4	DMA mode			*/
+	u16 b_RESTART:1;	/* 5	Retain FIFO			*/
+	u16 b_DI_SEL:1;		/* 6	Data interrupt timing select	*/
+	u16 b_DI_EN:1;		/* 7	Data interrupt enabled		*/
+	u16 b_NDSIZE:4;		/* 8:11	Flex descriptor size		*/
+	u16 b_FLOW:3;		/* 12:14Flow				*/
+} ADI_DMA_CONFIG_REG;
+
+typedef struct adi_ether_frame_buffer {
+	u16 NoBytes;		/* the no. of following bytes	*/
+	u8 Dest[6];		/* destination MAC address	*/
+	u8 Srce[6];		/* source MAC address		*/
+	u16 LTfield;		/* length/type field		*/
+	u8 Data[0];		/* payload bytes		*/
+} ADI_ETHER_FRAME_BUFFER;
+/* 16 bytes/struct	*/
+
+typedef struct dma_descriptor {
+	struct dma_descriptor *NEXT_DESC_PTR;
+	u32 START_ADDR;
+	ADI_DMA_CONFIG_REG CONFIG;
+} DMA_DESCRIPTOR;
+/* 10 bytes/struct in 12 bytes */
+
+typedef struct adi_ether_buffer {
+	DMA_DESCRIPTOR Dma[2];		/* first for the frame, second for the status */
+	ADI_ETHER_FRAME_BUFFER *FrmData;/* pointer to data */
+	struct adi_ether_buffer *pNext;	/* next buffer */
+	struct adi_ether_buffer *pPrev;	/* prev buffer */
+	u16 IPHdrChksum;		/* the IP header checksum */
+	u16 IPPayloadChksum;		/* the IP header and payload checksum */
+	volatile u32 StatusWord;	/* the frame status word */
+} ADI_ETHER_BUFFER;
+/* 40 bytes/struct in 44 bytes */
+
+void SetupMacAddr(u8 * MACaddr);
+
+void PollMdcDone(void);
+void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data);
+u16 RdPHYReg(u16 PHYAddr, u16 RegAddr);
+void SoftResetPHY(void);
+void DumpPHYRegs(void);
+
+int SetupSystemRegs(int *opmode);
+
+/**
+ * is_zero_ether_addr - Determine if give Ethernet address is all zeros.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is all zeroes.
+ */
+static inline int is_zero_ether_addr(const u8 * addr)
+{
+	return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
+}
+
+/**
+ * is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is a multicast address.
+ * By definition the broadcast address is also a multicast address.
+ */
+static inline int is_multicast_ether_addr(const u8 * addr)
+{
+	return (0x01 & addr[0]);
+}
+
+/**
+ * is_valid_ether_addr - Determine if the given Ethernet address is valid
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
+ * a multicast address, and is not FF:FF:FF:FF:FF:FF.
+ *
+ * Return true if the address is valid.
+ */
+static inline int is_valid_ether_addr(const u8 * addr)
+{
+	/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
+	 * explicitly check for it here. */
+	return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
+}