/* SDRAM DCRs */
enum {
SDRAM0_BESR0 = 0,
SDRAM0_BESR1 = 8,
SDRAM0_BEAR = 0x10,
SDRAM0_CFG = 0x20,
SDRAM0_STATUS = 0x24,
SDRAM0_RTR = 0x30,
SDRAM0_PMIT = 0x34,
SDRAM0_TR = 0x80
};
/* EBC DCRs */
enum {
EBC0_B0CR = 0,
EBC0_B1CR = 1,
EBC0_B2CR = 2,
EBC0_B3CR = 3,
EBC0_B4CR = 4,
EBC0_B5CR = 5,
EBC0_B6CR = 6,
EBC0_B7CR = 7,
EBC0_B0AP = 0x10,
EBC0_B1AP = 0x11,
EBC0_B2AP = 0x12,
EBC0_B3AP = 0x13,
EBC0_B4AP = 0x14,
EBC0_B5AP = 0x15,
EBC0_B6AP = 0x16,
EBC0_B7AP = 0x17,
EBC0_BEAR = 0x20,
EBC0_BESR0 = 0x21,
EBC0_BESR1 = 0x22,
EBC0_CFG = 0x23
};
/* Memory-mapped registers */
typedef struct EthernetRegisters_GP {
uint32_t mode0;
uint32_t mode1;
uint32_t xmtMode0;
uint32_t xmtMode1;
uint32_t rcvMode;
uint32_t intStatus;
uint32_t intEnable;
uint32_t addrHi;
uint32_t addrLo;
uint32_t VLANTPID;
uint32_t VLANTCI;
uint32_t pauseTimer;
uint32_t indivHash[4];
uint32_t groupHash[4];
uint32_t lastSrcLo;
uint32_t lastSrcHi;
uint32_t IPGap;
uint32_t STAcontrol;
uint32_t xmtReqThreshold;
uint32_t rcvWatermark;
uint32_t bytesXmtd;
uint32_t bytesRcvd;
} EthernetRegisters_GP;
enum { EMACAddress = 0xEF600800 };
enum {
// Mode 0 bits
kEMACRxIdle = 0x80000000,
kEMACTxIdle = 0x40000000,
kEMACSoftRst = 0x20000000,
kEMACTxEnable = 0x10000000,
kEMACRxEnable = 0x08000000,
// Mode 1 bits
kEMACFullDuplex = 0x80000000,
kEMACIgnoreSQE = 0x01000000,
kEMAC100MBbps = 0x00400000,
kEMAC4KRxFIFO = 0x00300000,
kEMAC2KTxFIFO = 0x00080000,
kEMACTx0Multi = 0x00008000,
kEMACTxDependent= 0x00014000,
// Tx mode bits
kEMACNewPacket0 = 0x80000000,
kEMACNewPacket1 = 0x40000000,
// Receive mode bits
kEMACStripPadding = 0x80000000,
kEMACStripFCS = 0x40000000,
kEMACRcvRunts = 0x20000000,
kEMACRcvFCSErrs = 0x10000000,
kEMACRcvOversize = 0x08000000,
kEMACPromiscRcv = 0x01000000,
kEMACPromMultRcv = 0x00800000,
kEMACIndivRcv = 0x00400000,
kEMACHashRcv = 0x00200000,
kEMACBrcastRcv = 0x00100000,
kEMACMultcastRcv = 0x00080000,
// Buffer descriptor control bits
kMALTxReady = 0x8000,
kMALRxEmpty = 0x8000,
kMALWrap = 0x4000,
kMALContinuous = 0x2000,
kMALLast = 0x1000,
kMALRxFirst = 0x0800,
kMALInterrupt = 0x0400,
// EMAC Tx descriptor bits sent
kEMACGenFCS = 0x200,
kEMACGenPad = 0x100,
kEMACInsSrcAddr = 0x080,
kEMACRepSrcAddr = 0x040,
kEMACInsVLAN = 0x020,
kEMACRepVLAN = 0x010,
// EMAC TX descriptor bits returned
kEMACErrMask = 0x3FF,
kEMACFCSWrong = 0x200,
kEMACBadPrev = 0x100,
kEMACLostCarrier = 0x080,
kEMACDeferred = 0x040,
kEMACCollFail = 0x020,
kEMACLateColl = 0x010,
kEMACMultColl = 0x008,
kEMACOneColl = 0x004,
kEMACUnderrun = 0x002,
kEMACSQEFail = 0x001,
// EMAC Rx descriptor bits returned
kEMACOverrun = 0x200,
kEMACPausePkt = 0x100,
kEMACBadPkt = 0x080,
kEMACRuntPkt = 0x040,
kEMACShortEvt = 0x020,
kEMACAlignErr = 0x010,
kEMACBadFCS = 0x008,
kEMACPktLong = 0x004,
kEMACPktOOR = 0x002,
kEMACPktIRL = 0x001
};
