📄 mac.h
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#ifndef __MAC_H#define __MAC_H#define RX_FRAME_SIZE 64#define TX_FRAME_SIZE 16
struct frame_desc_struct { unsigned long frame_data_ptr; // [31] Ownership 0=CPU, 1=BDMA unsigned long reserved; unsigned long status_and_frame_lenght; // [31:16] Rx Status, [15:0] Frame Length unsigned long next_frame_desc;};struct frame_buf_struct { unsigned char dst[ETH_ALEN]; unsigned char src[ETH_ALEN]; unsigned short proto; unsigned char data[ETH_DATA_LEN + 22];};/* ----------------------------------------- * * Definitions of Samsung 4510 MAC registers * * ----------------------------------------- */#define MaxRxFrameSize (1520)/* -------------------------------------- * * Buffered DMA Transmit Control Register * * -------------------------------------- */#define BTxBRST (0x0000F) /* [4:0] */#define BTxSTSKO (0x00020)#define BTxCCPIE (0x00080)#define BTxNLIE (0x00100)#define BTxNOIE (0x00200)#define BTxEmpty (0x00400)//#define BTxMSL /* [13:11] */#define BTxMSL000 (0x00000)#define BTxMSL001 (0x00800)#define BTxMSL010 (0x01000)#define BTxMSL011 (0x01800)#define BTxMSL100 (0x02000)#define BTxMSL101 (0x02800)#define BTxMSL110 (0x03000)#define BTxMSL111 (0x03800)#define BTxEn (0x04000)#define BTxRS (0x08000)/* ------------------------------------- * * Buffered DMA Receive Control Register * * ------------------------------------- */#define BRxBRST (0x0000F) /* [4:0] */#define BRxSTSKO (0x00020)#define BRxMAINC (0x00040)#define BRxDIE (0x00080)#define BRxNLIE (0x00100)#define BRxNOIE (0x00200)#define BRxMSOIE (0x00400)#define BRxLittle (0x00800)//#define BRxWA /* [13:12] */#define BRxWA01 (0x01000)#define BRxWA10 (0x02000)#define BRxWA11 (0x03000)#define BRxEn (0x04000)#define BRxRS (0x08000)#define BRxEmpty (0x10000)#define BRxEarly (0x20000)/* -------------------- * * BDMA Status Register * * -------------------- */#define S_BRxRDF (0x00001)#define S_BRxNL (0x00002)#define S_BRxNO (0x00004)#define S_BRxMSO (0x00008)#define S_BRxEmpty (0x00010)#define S_BRxSEarly (0x00020)#define S_BRxFRF (0x00080)#define S_BRxNFR (0x00080)#define S_BTxCCP (0x10000)#define S_BTxNL (0x20000)#define S_BTxNO (0x40000)#define S_BTxEmpty (0x100000)/* -------------------- * * MAC Control Register * * -------------------- */#define HaltReq (0x00001)#define HaltImm (0x00002)#define Reset (0x00004)#define FullDup (0x00008)#define MACLoop (0x00010)#define MIIOFF (0x00040)#define Loop10 (0x00080)#define MissRoll (0x00400)#define MDCOFF (0x01000)#define EnMissRoll (0x02000)#define Link10 (0x08000)/* ----------------------------- * * MAC Transmit Control Register * * ----------------------------- */#define TxEn (0x0001)#define TxHalt (0x0002)#define NoPad (0x0004)#define NoCRC (0x0008)#define FBack (0x0010)#define NoDef (0x0020)#define SdPause (0x0040)#define SQEn (0x0080)#define EnUnder (0x0100)#define EnDefer (0x0200)#define EnNCarr (0x0400)#define EnExColl (0x0800)#define EnLateColl (0x1000)#define EnTxPar (0x2000)#define EnComp (0x4000)/* ---------------------------- * * MAC Receive Control Register * * ---------------------------- */#define RxEn (0x0001)#define RxHalt (0x0002)#define LongEn (0x0004)#define ShortEn (0x0008)#define StripCRC (0x0010)#define PassCtl (0x0020)#define IgnoreCRC (0x0040)//#define (0x0080)#define EnAlign (0x0100)#define EnCRCErr (0x0200)#define EnOver (0x0400)#define EnLongErr (0x0800)//#define (0x1000)#define EnRxPar (0x2000)#define EnGood (0x4000)/* -------------------- * * CAM Control Register * * -------------------- */#define StationAcc (0x0001)#define GroupAcc (0x0002)#define BroadAcc (0x0004)#define NegCAM (0x0008)#define CompEn (0x0010)/* Tx & Rx Frame Descriptor Ownership bit[31](O) */ #define BDMA_owner 0x80000000 /* BDMA */#define CPU_owner 0x7fffffff /* CPU *//* ------------------------------- * * Tx Frame Descriptor Description * * ------------------------------- */#define Padding (0x00)#define NoPadding (0x01)#define CRCMode (0x00)#define NoCRCMode (0x02)#define MACTxIntEn (0x04)#define MACTxIntDis (0x00)#define LittleEndian (0x08)#define BigEndian (0x00)#define FrameDataPtrInc (0x10)#define FrameDataPtrDec (0x00)#define WA00 (0x00)#define WA01 (0x20)#define WA10 (0x40)#define WA11 (0x60)/* --------- * * Tx Status * * --------- */#define TxCollCntMask (0x000F)#define ExColl (0x0010)#define TxDefer (0x0020)#define Paused (0x0040)#define IntTx (0x0080)#define Under (0x0100)#define Defer (0x0200)#define NCarr (0x0400)#define SQErr (0x0800)#define LateColl (0x1000)#define TxPar (0x2000)#define Comp (0x4000)#define TxHalted (0x8000)/* --------- * * Rx Status * * --------- */#define OvMax (0x0004)#define CtlRcv (0x0020)#define IntRx (0x0040)#define Rx10stat (0x0080)#define AlignErr (0x0100)#define CRCErr (0x0200)#define Overflow (0x0400)#define LongErr (0x0800)#define RxPar (0x2000)#define Good (0x4000)#define RxHalted (0x8000)/* ------------- * * MII Registers * * ------------- */#define PHYHWADDR 0x3E0#define MiiBusy (1<<11)#define PHYREGWRITE (1<<10)enum { gMACCON = FullDup, gMACTXCON = EnComp | TxEn, gMACRXCON = RxEn, gBDMATXCON = BTxBRST | BTxMSL110 | BTxSTSKO | BTxEn, gBDMARXCON = BRxDIE | BRxEn | BRxLittle | BRxMAINC | BRxBRST | BRxNLIE | BRxNOIE | BRxSTSKO | BRxWA10, gCAMCON = CompEn | BroadAcc};
int s3c4510_eth_init(void);
int s3c4510_eth_send(unsigned char *data, int len);
int s3c4510_eth_rcv(unsigned char *data, int *len);
int s3c4510_eth_get_address(unsigned char *address);
#endif /* __MAC_H */⌨️ 快捷键说明
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