net/Blackfin: move on-chip MAC driver into drivers/net/
The Blackfin on-chip MAC driver was being managed in the BF537-STAMP board
directory, but it is not board specific, so relocate it to the drivers dir
so that other Blackfin ports can utilize it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h
new file mode 100644
index 0000000..c8a94d0
--- /dev/null
+++ b/drivers/net/bfin_mac.h
@@ -0,0 +1,89 @@
+/*
+ * bfin_mac.h - some defines/structures for the Blackfin on-chip MAC.
+ *
+ * Copyright (c) 2005-2008 Analog Device, Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_MAC_H__
+#define __BFIN_MAC_H__
+
+#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 */
+
+static ADI_ETHER_BUFFER *SetupRxBuffer(int no);
+static ADI_ETHER_BUFFER *SetupTxBuffer(int no);
+
+static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd);
+static void bfin_EMAC_halt(struct eth_device *dev);
+static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, int length);
+static int bfin_EMAC_recv(struct eth_device *dev);
+
+static void PollMdcDone(void);
+static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data);
+static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr);
+static int SetupSystemRegs(int *opmode);
+
+static void bfin_EMAC_setup_addr(bd_t *bd);
+
+#endif