c6455_common.h

TI公司的NSP

/*
 *  Copyright 2007 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *
 *  @(#) TCP/IP_Network_Developers_Kit 1.92.00.22 01-10-2007 (ndk-b22)
 */
#ifndef _C6455_COMMON_H_
#define _C6455_COMMON_H_

#include "cslr.h"
#include "cslr_ectl.h"
#include "cslr_mdio.h"
#include "cslr_emac.h"
#include "cslr_dev.h"

//
// Peripheral register structures
//

//EMAC and EMAC Control Module registers
#define ECTL_REGS                 ((CSL_EctlRegs *) 0x02C81000u)
#define MDIO_REGS                 ((CSL_MdioRegs *) 0x02C81800u)
#define EMAC_REGS                 ((CSL_EmacRegs *) 0x02C80000u)

// Chip Level registers
#define DEV_REGS                  ((CSL_DevRegs *) 0x02A80000u)

//
// EMAC Descriptor section
//

#define _EMAC_DSC_BASE_ADDR         0x02c82000u
#define _EMAC_DSC_BASE_ADDR_L2      0x00900800u

// EMAC Descriptor Size and Element Count
#define _EMAC_DSC_SIZE              8192
#define _EMAC_DSC_ENTRY_SIZE        16
#define _EDMA_DSC_ENTRY_COUNT       (_EMAC_DSC_SIZE/_EMAC_DSC_ENTRY_SIZE)

//
// EMAC Descriptor
//
// The following is the format of a single buffer descriptor
// on the EMAC.
//
typedef struct _EMAC_Desc {
  struct _EMAC_Desc *pNext;     /* Pointer to next descriptor in chain */
  Uint8             *pBuffer;   /* Pointer to data buffer              */
  Uint32            BufOffLen;  /* Buffer Offset(MSW) and Length(LSW)  */
  Uint32            PktFlgLen;  /* Packet Flags(MSW) and Length(LSW)   */
} EMAC_Desc;


//
// DESCRIPTOR ACCESS MACROS
//

// Packet Flags for TX and RX
#define EMAC_DSC_FLAG_SOP                       0x80000000u
#define EMAC_DSC_FLAG_EOP                       0x40000000u
#define EMAC_DSC_FLAG_OWNER                     0x20000000u
#define EMAC_DSC_FLAG_EOQ                       0x10000000u
#define EMAC_DSC_FLAG_TDOWNCMPLT                0x08000000u
#define EMAC_DSC_FLAG_PASSCRC                   0x04000000u

// The following flags are RX only
#define EMAC_DSC_FLAG_JABBER                    0x02000000u
#define EMAC_DSC_FLAG_OVERSIZE                  0x01000000u
#define EMAC_DSC_FLAG_FRAGMENT                  0x00800000u
#define EMAC_DSC_FLAG_UNDERSIZED                0x00400000u
#define EMAC_DSC_FLAG_CONTROL                   0x00200000u
#define EMAC_DSC_FLAG_OVERRUN                   0x00100000u
#define EMAC_DSC_FLAG_CODEERROR                 0x00080000u
#define EMAC_DSC_FLAG_ALIGNERROR                0x00040000u
#define EMAC_DSC_FLAG_CRCERROR                  0x00020000u
#define EMAC_DSC_FLAG_NOMATCH                   0x00010000u

#endif