cs8900a.h

Bootload 程序

#ifndef __CS8900A_H__
#define __CS8900A_H__

#include "ether.h"

#define CS8900A_BASE_ADDR          (0x19000000) /* addr[24] has to be set */
                                                /* see hardware design */
#define CS8900A_REG_BASE_ADDR      (CS8900A_BASE_ADDR + 0x00000300)

#define CS8900A_DELAY              asm("\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n")

#define CS8900A_OK                 (0)
#define CS8900A_ERROR              (-1)

/*
 * Ports
 */
#define PP_Address                 0x0a /* PacketPage Pointer Port (Section 4.10.10) */
#define PP_Data                    0x0c /* PacketPage Data Port (Section 4.10.10) */

/*
 * Registers
 */

#define PP_ProductID        0x0000  /* Section 4.3.1   Product Identification Code */
#define PP_IntNum           0x0022  /* Section 3.2.3   Interrupt Number */
#define PP_MemBase          0x002c  /* Section 4.9.2   Memory Base Address Register */
#define PP_EEPROMCommand    0x0040  /* Section 4.3.11  EEPROM Command */
#define PP_EEPROMData       0x0042  /* Section 4.3.12  EEPROM Data */
#define PP_RxCFG            0x0102  /* Section 4.4.6   Receiver Configuration */
#define PP_RxCTL            0x0104  /* Section 4.4.8   Receiver Control */
#define PP_TxCFG            0x0106  /* Section 4.4.9   Transmit Configuration */
#define PP_BufCFG           0x010a  /* Section 4.4.12  Buffer Configuration */
#define PP_LineCTL          0x0112  /* Section 4.4.16  Line Control */
#define PP_SelfCTL          0x0114  /* Section 4.4.18  Self Control */
#define PP_BusCTL           0x0116  /* Section 4.4.20  Bus Control */
#define PP_TestCTL          0x0118  /* Section 4.4.22  Test Control */
#define PP_ISQ              0x0120  /* Section 4.4.5   Interrupt Status Queue */
#define PP_TxEvent          0x0128  /* Section 4.4.10  Transmitter Event */
#define PP_BufEvent         0x012c  /* Section 4.4.13  Buffer Event */
#define PP_RxMISS           0x0130  /* Section 4.4.14  Receiver Miss Counter */
#define PP_TxCOL            0x0132  /* Section 4.4.15  Transmit Collision Counter */
#define PP_SelfST           0x0136  /* Section 4.4.19  Self Status */
#define PP_BusST            0x0138  /* Section 4.4.21  Bus Status */
#define PP_TxCMD            0x0144  /* Section 4.4.11  Transmit Command */
#define PP_TxLength         0x0146  /* Section 4.5.2   Transmit Length */
#define PP_IA               0x0158  /* Section 4.6.2   Individual Address (IEEE Address) */
#define PP_RxStatus         0x0400  /* Section 4.7.1   Receive Status */
#define PP_RxLength         0x0402  /* Section 4.7.1   Receive Length (in bytes) */
#define PP_RxFrame          0x0404  /* Section 4.7.2   Receive Frame Location */
#define PP_TxFrame          0x0a00  /* Section 4.7.2   Transmit Frame Location */

/*
 * Values
 */

/* PP_IntNum */
#define INTRQ0          0x0000
#define INTRQ1          0x0001
#define INTRQ2          0x0002
#define INTRQ3          0x0003

/* PP_ProductID */
#define EISA_REG_CODE   0x630e
#define REVISION(x)     (((x) & 0x1f00) >> 8)
#define VERSION(x)      ((x) & ~0x1f00)

#define CS8900A         0x0000
#define REV_B           7
#define REV_C           8
#define REV_D           9

/* PP_RxCFG */
#define Skip_1          0x0040
#define StreamE         0x0080
#define RxOKiE          0x0100
#define RxDMAonly       0x0200
#define AutoRxDMAE      0x0400
#define BufferCRC       0x0800
#define CRCerroriE      0x1000
#define RuntiE          0x2000
#define ExtradataiE     0x4000

/* PP_RxCTL */
#define IAHashA         0x0040
#define PromiscuousA    0x0080
#define RxOKA           0x0100
#define MulticastA      0x0200
#define IndividualA     0x0400
#define BroadcastA      0x0800
#define CRCerrorA       0x1000
#define RuntA           0x2000
#define ExtradataA      0x4000

/* PP_TxCFG */
#define Loss_of_CRSiE   0x0040
#define SQErroriE       0x0080
#define TxOKiE          0x0100
#define Out_of_windowiE 0x0200
#define JabberiE        0x0400
#define AnycolliE       0x0800
#define T16colliE       0x8000

/* PP_BufCFG */
#define SWint_X         0x0040
#define RxDMAiE         0x0080
#define Rdy4TxiE        0x0100
#define TxUnderruniE    0x0200
#define RxMissiE        0x0400
#define Rx128iE         0x0800
#define TxColOvfiE      0x1000
#define MissOvfloiE     0x2000
#define RxDestiE        0x8000

/* PP_LineCTL */
#define SerRxON         0x0040
#define SerTxON         0x0080
#define AUIonly         0x0100
#define AutoAUI_10BT    0x0200
#define ModBackoffE     0x0800
#define PolarityDis     0x1000
#define L2_partDefDis   0x2000
#define LoRxSquelch     0x4000

/* PP_SelfCTL */
#define RESET           0x0040
#define SWSuspend       0x0100
#define HWSleepE        0x0200
#define HWStandbyE      0x0400
#define HC0E            0x1000
#define HC1E            0x2000
#define HCB0            0x4000
#define HCB1            0x8000

/* PP_BusCTL */
#define ResetRxDMA      0x0040
#define DMAextend       0x0100
#define UseSA           0x0200
#define MemoryE         0x0400
#define DMABurst        0x0800
#define IOCHRDYE        0x1000
#define RxDMAsize       0x2000
#define EnableRQ        0x8000

/* PP_TestCTL */
#define DisableLT       0x0080
#define ENDECloop       0x0200
#define AUIloop         0x0400
#define DisableBackoff  0x0800
#define FDX             0x4000

/* PP_ISQ */
#define RegNum(x) ((x) & 0x3f)
#define RegContent(x) ((x) & ~0x3d)

#define RxEvent         0x0004
#define TxEvent         0x0008
#define BufEvent        0x000c
#define RxMISS          0x0010
#define TxCOL           0x0012

/* PP_RxStatus */
#define IAHash          0x0040
#define Dribblebits     0x0080
#define RxOK            0x0100
#define Hashed          0x0200
#define IndividualAdr   0x0400
#define Broadcast       0x0800
#define CRCerror        0x1000
#define Runt            0x2000
#define Extradata       0x4000

#define HashTableIndex(x) ((x) >> 0xa)

/* PP_TxCMD */
#define After5          0
#define After381        1
#define After1021       2
#define AfterAll        3
#define TxStart(x) ((x) << 6)

#define Force           0x0100
#define Onecoll         0x0200
#define InhibitCRC      0x1000
#define TxPadDis        0x2000

/* PP_BusST */
#define TxBidErr        0x0080
#define Rdy4TxNOW       0x0100

/* PP_TxEvent */
#define Loss_of_CRS     0x0040
#define SQEerror        0x0080
#define TxOK            0x0100
#define Out_of_window   0x0200
#define Jabber          0x0400
#define T16coll         0x8000

#define TX_collisions(x) (((x) >> 0xb) & ~0x8000)

/* PP_BufEvent */
#define SWint           0x0040
#define RxDMAFrame      0x0080
#define Rdy4Tx          0x0100
#define TxUnderrun      0x0200
#define RxMiss          0x0400
#define Rx128           0x0800
#define RxDest          0x8000

/* PP_RxMISS */
#define MissCount(x) ((x) >> 6)

/* PP_TxCOL */
#define ColCount(x) ((x) >> 6)

/* PP_SelfST */
#define T3VActive       0x0040
#define INITD           0x0080
#define SIBUSY          0x0100
#define EEPROMpresent   0x0200
#define EEPROMOK        0x0400
#define ELpresent       0x0800
#define EEsize          0x1000

/* PP_EEPROMCommand */
#define EEWriteEnable   0x00F0
#define EEWriteDisable  0x0000
#define EEWriteRegister 0x0100
#define EEReadRegister  0x0200
#define EEEraseRegister 0x0300
#define ELSEL           0x0400

extern ether_driver_t cs8900a_ether_driver;

extern void cs8900a_disp_regs(void);

#endif /* __CS8900A_H__ */