diff options
Diffstat (limited to 'drivers/net/bfin_mac.h')
| -rw-r--r-- | drivers/net/bfin_mac.h | 89 | 
1 files changed, 89 insertions, 0 deletions
| diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h new file mode 100644 index 000000000..c8a94d0c9 --- /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 |