From 706714d97a0d08d59eda4de2268c39f504688329 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 6 Aug 2007 23:41:53 +0200 Subject: [PATCH] [FIX] remove cute code --- drivers/net/xilinx_emac.c | 233 ++++++++++++++++++------------------- drivers/net/xilinx_emac.h | 121 ++++++++++++-------- drivers/net/xilinx_emaclite.c | 260 +++++++++++++++++++++--------------------- 3 files changed, 318 insertions(+), 296 deletions(-) diff --git a/drivers/net/xilinx_emac.c b/drivers/net/xilinx_emac.c index d44f31e..23567cc 100644 --- a/drivers/net/xilinx_emac.c +++ b/drivers/net/xilinx_emac.c @@ -41,76 +41,78 @@ static unsigned int etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */ -static u8 EMACAddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; -static XEmac Emac; +static xemac emac; void eth_halt(void) { - return; +#ifdef DEBUG + puts ("eth_halt\n"); +#endif } int eth_init(bd_t * bis) { - u32 HelpReg; + u32 helpreg; #ifdef DEBUG printf("EMAC Initialization Started\n\r"); #endif - if (Emac.IsStarted) { + if (emac.isstarted) { puts("Emac is started\n"); return 0; } - memset (&Emac, 0, sizeof (XEmac)); + memset (&emac, 0, sizeof (xemac)); - Emac.BaseAddress = XILINX_EMAC_BASEADDR; + emac.baseaddress = XILINX_EMAC_BASEADDR; /* Setting up FIFOs */ - Emac.RecvFifo.RegBaseAddress = Emac.BaseAddress + + emac.recvfifo.regbaseaddress = emac.baseaddress + XEM_PFIFO_RXREG_OFFSET; - Emac.RecvFifo.DataBaseAddress = Emac.BaseAddress + + emac.recvfifo.databaseaddress = emac.baseaddress + XEM_PFIFO_RXDATA_OFFSET; - out_be32 (Emac.RecvFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); + out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK); - Emac.SendFifo.RegBaseAddress = Emac.BaseAddress + + emac.sendfifo.regbaseaddress = emac.baseaddress + XEM_PFIFO_TXREG_OFFSET; - Emac.SendFifo.DataBaseAddress = Emac.BaseAddress + + emac.sendfifo.databaseaddress = emac.baseaddress + XEM_PFIFO_TXDATA_OFFSET; - out_be32 (Emac.SendFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); + out_be32 (emac.sendfifo.regbaseaddress, XPF_RESET_FIFO_MASK); /* Reset the entire IPIF */ - out_be32 (Emac.BaseAddress + XIIF_V123B_RESETR_OFFSET, + out_be32 (emac.baseaddress + XIIF_V123B_RESETR_OFFSET, XIIF_V123B_RESET_MASK); /* Stopping EMAC for setting up MAC */ - HelpReg = in_be32 (Emac.BaseAddress + XEM_ECR_OFFSET); - HelpReg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); - out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); + helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); + helpreg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); + out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); if (!getenv("ethaddr")) { - memcpy(bis->bi_enetaddr, EMACAddr, ENET_ADDR_LENGTH); + memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH); } /* Set the device station address high and low registers */ - HelpReg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1]; - out_be32 (Emac.BaseAddress + XEM_SAH_OFFSET, HelpReg); - HelpReg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) | + helpreg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1]; + out_be32 (emac.baseaddress + XEM_SAH_OFFSET, helpreg); + helpreg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) | (bis->bi_enetaddr[4] << 8) | bis->bi_enetaddr[5]; - out_be32 (Emac.BaseAddress + XEM_SAL_OFFSET, HelpReg); + out_be32 (emac.baseaddress + XEM_SAL_OFFSET, helpreg); - HelpReg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK | + helpreg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK | XEM_ECR_FULL_DUPLEX_MASK | XEM_ECR_XMIT_FCS_ENABLE_MASK | XEM_ECR_XMIT_PAD_ENABLE_MASK | XEM_ECR_PHY_ENABLE_MASK; - out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); + out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); - Emac.IsStarted = 1; + emac.isstarted = 1; /* Enable the transmitter, and receiver */ - HelpReg = in_be32 (Emac.BaseAddress + XEM_ECR_OFFSET); - HelpReg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK); - HelpReg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); - out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); + helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); + helpreg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK); + helpreg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); + out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); printf("EMAC Initialization complete\n\r"); return 0; @@ -118,12 +120,12 @@ int eth_init(bd_t * bis) int eth_send(volatile void *ptr, int len) { - u32 IntrStatus; - u32 XmitStatus; - u32 FifoCount; - u32 WordCount; - u32 ExtraByteCount; - u32 *WordBuffer = (u32 *) ptr; + u32 intrstatus; + u32 xmitstatus; + u32 fifocount; + u32 wordcount; + u32 extrabytecount; + u32 *wordbuffer = (u32 *) ptr; if (len > ENET_MAX_MTU) len = ENET_MAX_MTU; @@ -135,20 +137,20 @@ int eth_send(volatile void *ptr, int len) * continue. The upper layer software should reset the device to resolve * the error. */ - IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); - if (IntrStatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | + intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); + if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | XEM_EIR_XMIT_LFIFO_OVER_MASK)) { #ifdef DEBUG puts ("Transmitting overrun error\n"); #endif return 0; - } else if (IntrStatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | + } else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | XEM_EIR_XMIT_LFIFO_UNDER_MASK)) { #ifdef DEBUG puts ("Transmitting underrun error\n"); #endif return 0; - } else if (in_be32 (Emac.SendFifo.RegBaseAddress + + } else if (in_be32 (emac.sendfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET) & XPF_DEADLOCK_MASK) { #ifdef DEBUG puts("Transmitting fifo error\n"); @@ -165,9 +167,9 @@ int eth_send(volatile void *ptr, int len) * Clear the latched LFIFO_FULL bit so next time around the most * current status is represented */ - if (IntrStatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) { - out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, IntrStatus - & XEM_EIR_XMIT_LFIFO_FULL_MASK); + if (intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) { + out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, + intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK); #ifdef DEBUG puts ("Fifo is full\n"); #endif @@ -175,72 +177,72 @@ int eth_send(volatile void *ptr, int len) } /* get the count of how many words may be inserted into the FIFO */ - FifoCount = in_be32 (Emac.SendFifo.RegBaseAddress + + fifocount = in_be32 (emac.sendfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; - WordCount = len >> 2; - ExtraByteCount = len & 0x3; + wordcount = len >> 2; + extrabytecount = len & 0x3; - if (FifoCount < WordCount) { + if (fifocount < wordcount) { #ifdef DEBUG puts ("Sending packet is larger then size of FIFO\n"); #endif return 0; } - for (FifoCount = 0; FifoCount < WordCount; FifoCount++) { - out_be32 (Emac.SendFifo.DataBaseAddress, WordBuffer[FifoCount]); + for (fifocount = 0; fifocount < wordcount; fifocount++) { + out_be32 (emac.sendfifo.databaseaddress, wordbuffer[fifocount]); } - if (ExtraByteCount > 0) { - u32 LastWord = 0; - u8 *ExtraBytesBuffer = (u8 *) (WordBuffer + WordCount); - - if (ExtraByteCount == 1) { - LastWord = ExtraBytesBuffer[0] << 24; - } else if (ExtraByteCount == 2) { - LastWord = ExtraBytesBuffer[0] << 24 | - ExtraBytesBuffer[1] << 16; - } else if (ExtraByteCount == 3) { - LastWord = ExtraBytesBuffer[0] << 24 | - ExtraBytesBuffer[1] << 16 | - ExtraBytesBuffer[2] << 8; + if (extrabytecount > 0) { + u32 lastword = 0; + u8 *extrabytesbuffer = (u8 *) (wordbuffer + wordcount); + + if (extrabytecount == 1) { + lastword = extrabytesbuffer[0] << 24; + } else if (extrabytecount == 2) { + lastword = extrabytesbuffer[0] << 24 | + extrabytesbuffer[1] << 16; + } else if (extrabytecount == 3) { + lastword = extrabytesbuffer[0] << 24 | + extrabytesbuffer[1] << 16 | + extrabytesbuffer[2] << 8; } - out_be32 (Emac.SendFifo.DataBaseAddress, LastWord); + out_be32 (emac.sendfifo.databaseaddress, lastword); } /* Loop on the MAC's status to wait for any pause to complete */ - IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); - while ((IntrStatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) { - IntrStatus = in_be32 ((Emac.BaseAddress) + + intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); + while ((intrstatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) { + intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); /* Clear the pause status from the transmit status register */ - out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, - IntrStatus & XEM_EIR_XMIT_PAUSE_MASK); + out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, + intrstatus & XEM_EIR_XMIT_PAUSE_MASK); } /* * Set the MAC's transmit packet length register to tell it to transmit */ - out_be32 (Emac.BaseAddress + XEM_TPLR_OFFSET, len); + out_be32 (emac.baseaddress + XEM_TPLR_OFFSET, len); /* * Loop on the MAC's status to wait for the transmit to complete. * The transmit status is in the FIFO when the XMIT_DONE bit is set. */ do { - IntrStatus = in_be32 ((Emac.BaseAddress) + + intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); } - while ((IntrStatus & XEM_EIR_XMIT_DONE_MASK) == 0); + while ((intrstatus & XEM_EIR_XMIT_DONE_MASK) == 0); - XmitStatus = in_be32 (Emac.BaseAddress + XEM_TSR_OFFSET); + xmitstatus = in_be32 (emac.baseaddress + XEM_TSR_OFFSET); - if (IntrStatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | + if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | XEM_EIR_XMIT_LFIFO_OVER_MASK)) { #ifdef DEBUG puts ("Transmitting overrun error\n"); #endif return 0; - } else if (IntrStatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | + } else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | XEM_EIR_XMIT_LFIFO_UNDER_MASK)) { #ifdef DEBUG puts ("Transmitting underrun error\n"); @@ -249,15 +251,15 @@ int eth_send(volatile void *ptr, int len) } /* Clear the interrupt status register of transmit statuses */ - out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, - IntrStatus & XEM_EIR_XMIT_ALL_MASK); + out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, + intrstatus & XEM_EIR_XMIT_ALL_MASK); /* * Collision errors are stored in the transmit status register * instead of the interrupt status register */ - if ((XmitStatus & XEM_TSR_EXCESS_DEFERRAL_MASK) || - (XmitStatus & XEM_TSR_LATE_COLLISION_MASK)) { + if ((xmitstatus & XEM_TSR_EXCESS_DEFERRAL_MASK) || + (xmitstatus & XEM_TSR_LATE_COLLISION_MASK)) { #ifdef DEBUG puts ("Transmitting collision error\n"); #endif @@ -268,17 +270,17 @@ int eth_send(volatile void *ptr, int len) int eth_rx(void) { - u32 PktLength; - u32 IntrStatus; - u32 FifoCount; - u32 WordCount; - u32 ExtraByteCount; - u32 LastWord; - u8 *ExtraBytesBuffer; - - if (in_be32 (Emac.RecvFifo.RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) + u32 pktlength; + u32 intrstatus; + u32 fifocount; + u32 wordcount; + u32 extrabytecount; + u32 lastword; + u8 *extrabytesbuffer; + + if (in_be32 (emac.recvfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET) & XPF_DEADLOCK_MASK) { - out_be32 (Emac.RecvFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); + out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK); #ifdef DEBUG puts ("Receiving FIFO deadlock\n"); #endif @@ -286,17 +288,18 @@ int eth_rx(void) } /* - * Get the interrupt status to know what happened (whether an error occurred - * and/or whether frames have been received successfully). When clearing the - * intr status register, clear only statuses that pertain to receive. + * Get the interrupt status to know what happened (whether an error + * occurred and/or whether frames have been received successfully). + * When clearing the intr status register, clear only statuses that + * pertain to receive. */ - IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); + intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); /* * Before reading from the length FIFO, make sure the length FIFO is not * empty. We could cause an underrun error if we try to read from an * empty FIFO. */ - if (!(IntrStatus & XEM_EIR_RECV_DONE_MASK)) { + if (!(intrstatus & XEM_EIR_RECV_DONE_MASK)) { #ifdef DEBUG /* puts("Receiving FIFO is empty\n"); */ #endif @@ -307,8 +310,8 @@ int eth_rx(void) * Determine, from the MAC, the length of the next packet available * in the data FIFO (there should be a non-zero length here) */ - PktLength = in_be32 (Emac.BaseAddress + XEM_RPLR_OFFSET); - if (!PktLength) { + pktlength = in_be32 (emac.baseaddress + XEM_RPLR_OFFSET); + if (!pktlength) { return 0; } @@ -320,53 +323,53 @@ int eth_rx(void) * in the IPIF, which means it may indicate a non-empty condition even * though there is something in the FIFO. */ - out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, + out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, XEM_EIR_RECV_DONE_MASK); - FifoCount = in_be32 (Emac.RecvFifo.RegBaseAddress + + fifocount = in_be32 (emac.recvfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; - if ((FifoCount * 4) < PktLength) { + if ((fifocount * 4) < pktlength) { #ifdef DEBUG puts ("Receiving FIFO is smaller than packet size.\n"); #endif return 0; } - WordCount = PktLength >> 2; - ExtraByteCount = PktLength & 0x3; + wordcount = pktlength >> 2; + extrabytecount = pktlength & 0x3; - for (FifoCount = 0; FifoCount < WordCount; FifoCount++) { - etherrxbuff[FifoCount] = - in_be32 (Emac.RecvFifo.DataBaseAddress); + for (fifocount = 0; fifocount < wordcount; fifocount++) { + etherrxbuff[fifocount] = + in_be32 (emac.recvfifo.databaseaddress); } /* * if there are extra bytes to handle, read the last word from the FIFO * and insert the extra bytes into the buffer */ - if (ExtraByteCount > 0) { - ExtraBytesBuffer = (u8 *) (etherrxbuff + WordCount); + if (extrabytecount > 0) { + extrabytesbuffer = (u8 *) (etherrxbuff + wordcount); - LastWord = in_be32 (Emac.RecvFifo.DataBaseAddress); + lastword = in_be32 (emac.recvfifo.databaseaddress); /* * one extra byte in the last word, put the byte into the next * location of the buffer, bytes in a word of the FIFO are * ordered from most significant byte to least */ - if (ExtraByteCount == 1) { - ExtraBytesBuffer[0] = (u8) (LastWord >> 24); - } else if (ExtraByteCount == 2) { - ExtraBytesBuffer[0] = (u8) (LastWord >> 24); - ExtraBytesBuffer[1] = (u8) (LastWord >> 16); - } else if (ExtraByteCount == 3) { - ExtraBytesBuffer[0] = (u8) (LastWord >> 24); - ExtraBytesBuffer[1] = (u8) (LastWord >> 16); - ExtraBytesBuffer[2] = (u8) (LastWord >> 8); + if (extrabytecount == 1) { + extrabytesbuffer[0] = (u8) (lastword >> 24); + } else if (extrabytecount == 2) { + extrabytesbuffer[0] = (u8) (lastword >> 24); + extrabytesbuffer[1] = (u8) (lastword >> 16); + } else if (extrabytecount == 3) { + extrabytesbuffer[0] = (u8) (lastword >> 24); + extrabytesbuffer[1] = (u8) (lastword >> 16); + extrabytesbuffer[2] = (u8) (lastword >> 8); } } - NetReceive((uchar *)etherrxbuff, PktLength); + NetReceive((uchar *)etherrxbuff, pktlength); return 1; } #endif diff --git a/drivers/net/xilinx_emac.h b/drivers/net/xilinx_emac.h index 7c00eeb..966598e 100644 --- a/drivers/net/xilinx_emac.h +++ b/drivers/net/xilinx_emac.h @@ -26,16 +26,16 @@ */ typedef struct { - u32 RegBaseAddress; /* Base address of registers */ - u32 DataBaseAddress; /* Base address of data for FIFOs */ -} XPacketFifoV100b; + u32 regbaseaddress; /* Base address of registers */ + u32 databaseaddress; /* Base address of data for FIFOs */ +} xpacketfifov100b; typedef struct { - u32 BaseAddress; /* Base address (of IPIF) */ - u32 IsStarted; /* Device is currently started 0-no, 1-yes */ - XPacketFifoV100b RecvFifo; /* FIFO used to receive frames */ - XPacketFifoV100b SendFifo; /* FIFO used to send frames */ -} XEmac; + u32 baseaddress; /* Base address (of IPIF) */ + u32 isstarted; /* Device is currently started 0-no, 1-yes */ + xpacketfifov100b recvfifo; /* FIFO used to receive frames */ + xpacketfifov100b sendfifo; /* FIFO used to send frames */ +} xemac; #define XIIF_V123B_IISR_OFFSET 32UL /* IP interrupt status register */ #define XIIF_V123B_RESET_MASK 0xAUL @@ -66,10 +66,14 @@ typedef struct { #define XEM_PFIFO_OFFSET 0x2000UL -#define XEM_PFIFO_TXREG_OFFSET (XEM_PFIFO_OFFSET + 0x0) /* Tx registers */ -#define XEM_PFIFO_RXREG_OFFSET (XEM_PFIFO_OFFSET + 0x10) /* Rx registers */ -#define XEM_PFIFO_TXDATA_OFFSET (XEM_PFIFO_OFFSET + 0x100) /* Tx keyhole */ -#define XEM_PFIFO_RXDATA_OFFSET (XEM_PFIFO_OFFSET + 0x200) /* Rx keyhole */ +/* Tx registers */ +#define XEM_PFIFO_TXREG_OFFSET (XEM_PFIFO_OFFSET + 0x0) +/* Rx registers */ +#define XEM_PFIFO_RXREG_OFFSET (XEM_PFIFO_OFFSET + 0x10) +/* Tx keyhole */ +#define XEM_PFIFO_TXDATA_OFFSET (XEM_PFIFO_OFFSET + 0x100) +/* Rx keyhole */ +#define XEM_PFIFO_RXDATA_OFFSET (XEM_PFIFO_OFFSET + 0x200) /* @@ -82,46 +86,63 @@ typedef struct { XEM_EIR_XMIT_SFIFO_EMPTY_MASK |\ XEM_EIR_XMIT_LFIFO_FULL_MASK) -#define XEM_EIR_XMIT_DONE_MASK 0x00000001UL /* Xmit complete */ -#define XEM_EIR_RECV_DONE_MASK 0x00000002UL /* Recv complete */ -#define XEM_EIR_XMIT_ERROR_MASK 0x00000004UL /* Xmit error */ -#define XEM_EIR_RECV_ERROR_MASK 0x00000008UL /* Recv error */ -#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK 0x00000010UL /* Xmit status fifo empty */ -#define XEM_EIR_RECV_LFIFO_EMPTY_MASK 0x00000020UL /* Recv length fifo empty */ -#define XEM_EIR_XMIT_LFIFO_FULL_MASK 0x00000040UL /* Xmit length fifo full */ -#define XEM_EIR_RECV_LFIFO_OVER_MASK 0x00000080UL /* Recv length fifo - * overrun */ -#define XEM_EIR_RECV_LFIFO_UNDER_MASK 0x00000100UL /* Recv length fifo - * underrun */ -#define XEM_EIR_XMIT_SFIFO_OVER_MASK 0x00000200UL /* Xmit status fifo - * overrun */ -#define XEM_EIR_XMIT_SFIFO_UNDER_MASK 0x00000400UL /* Transmit status fifo - * underrun */ -#define XEM_EIR_XMIT_LFIFO_OVER_MASK 0x00000800UL /* Transmit length fifo - * overrun */ -#define XEM_EIR_XMIT_LFIFO_UNDER_MASK 0x00001000UL /* Transmit length fifo - * underrun */ -#define XEM_EIR_XMIT_PAUSE_MASK 0x00002000UL /* Transmit pause pkt - * received */ +/* Xmit complete */ +#define XEM_EIR_XMIT_DONE_MASK 0x00000001UL +/* Recv complete */ +#define XEM_EIR_RECV_DONE_MASK 0x00000002UL +/* Xmit error */ +#define XEM_EIR_XMIT_ERROR_MASK 0x00000004UL +/* Recv error */ +#define XEM_EIR_RECV_ERROR_MASK 0x00000008UL +/* Xmit status fifo empty */ +#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK 0x00000010UL +/* Recv length fifo empty */ +#define XEM_EIR_RECV_LFIFO_EMPTY_MASK 0x00000020UL +/* Xmit length fifo full */ +#define XEM_EIR_XMIT_LFIFO_FULL_MASK 0x00000040UL +/* Recv length fifo overrun */ +#define XEM_EIR_RECV_LFIFO_OVER_MASK 0x00000080UL +/* Recv length fifo underrun */ +#define XEM_EIR_RECV_LFIFO_UNDER_MASK 0x00000100UL +/* Xmit status fifo overrun */ +#define XEM_EIR_XMIT_SFIFO_OVER_MASK 0x00000200UL +/* Transmit status fifo underrun */ +#define XEM_EIR_XMIT_SFIFO_UNDER_MASK 0x00000400UL +/* Transmit length fifo overrun */ +#define XEM_EIR_XMIT_LFIFO_OVER_MASK 0x00000800UL +/* Transmit length fifo underrun */ +#define XEM_EIR_XMIT_LFIFO_UNDER_MASK 0x00001000UL +/* Transmit pause pkt received */ +#define XEM_EIR_XMIT_PAUSE_MASK 0x00002000UL /* * EMAC Control Register (ECR) */ -#define XEM_ECR_FULL_DUPLEX_MASK 0x80000000UL /* Full duplex mode */ -#define XEM_ECR_XMIT_RESET_MASK 0x40000000UL /* Reset transmitter */ -#define XEM_ECR_XMIT_ENABLE_MASK 0x20000000UL /* Enable transmitter */ -#define XEM_ECR_RECV_RESET_MASK 0x10000000UL /* Reset receiver */ -#define XEM_ECR_RECV_ENABLE_MASK 0x08000000UL /* Enable receiver */ -#define XEM_ECR_PHY_ENABLE_MASK 0x04000000UL /* Enable PHY */ -#define XEM_ECR_XMIT_PAD_ENABLE_MASK 0x02000000UL /* Enable xmit pad - * insert */ -#define XEM_ECR_XMIT_FCS_ENABLE_MASK 0x01000000UL /* Enable xmit FCS - * insert */ -#define XEM_ECR_UNICAST_ENABLE_MASK 0x00020000UL /* Enable unicast - * addr */ -#define XEM_ECR_BROAD_ENABLE_MASK 0x00008000UL /* Enable broadcast - * addr */ +/* Full duplex mode */ +#define XEM_ECR_FULL_DUPLEX_MASK 0x80000000UL +/* Reset transmitter */ +#define XEM_ECR_XMIT_RESET_MASK 0x40000000UL +/* Enable transmitter */ +#define XEM_ECR_XMIT_ENABLE_MASK 0x20000000UL +/* Reset receiver */ +#define XEM_ECR_RECV_RESET_MASK 0x10000000UL +/* Enable receiver */ +#define XEM_ECR_RECV_ENABLE_MASK 0x08000000UL +/* Enable PHY */ +#define XEM_ECR_PHY_ENABLE_MASK 0x04000000UL +/* Enable xmit pad insert */ +#define XEM_ECR_XMIT_PAD_ENABLE_MASK 0x02000000UL +/* Enable xmit FCS insert */ +#define XEM_ECR_XMIT_FCS_ENABLE_MASK 0x01000000UL +/* Enable unicast addr */ +#define XEM_ECR_UNICAST_ENABLE_MASK 0x00020000UL +/* Enable broadcast addr */ +#define XEM_ECR_BROAD_ENABLE_MASK 0x00008000UL -/* Transmit Status Register (TSR) */ -#define XEM_TSR_EXCESS_DEFERRAL_MASK 0x80000000UL /* Transmit excess deferral */ -#define XEM_TSR_LATE_COLLISION_MASK 0x01000000UL /* Transmit late collision */ +/* + * Transmit Status Register (TSR) + */ +/* Transmit excess deferral */ +#define XEM_TSR_EXCESS_DEFERRAL_MASK 0x80000000UL +/* Transmit late collision */ +#define XEM_TSR_LATE_COLLISION_MASK 0x01000000UL diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c index 99e7035..5d8eaa5 100644 --- a/drivers/net/xilinx_emaclite.c +++ b/drivers/net/xilinx_emaclite.c @@ -64,76 +64,73 @@ #define XEL_RSR_RECV_IE_MASK 0x00000008UL typedef struct { - unsigned int BaseAddress; /* Base address for device (IPIF) */ - unsigned int NextTxBufferToUse; /* Next TX buffer to write to */ - unsigned int NextRxBufferToUse; /* Next RX buffer to read from */ - unsigned char DeviceId; /* Unique ID of device - for future */ -} XEmacLite; + unsigned int baseaddress; /* Base address for device (IPIF) */ + unsigned int nexttxbuffertouse; /* Next TX buffer to write to */ + unsigned int nextrxbuffertouse; /* Next RX buffer to read from */ + unsigned char deviceid; /* Unique ID of device - for future */ +} xemaclite; -static XEmacLite EmacLite; +static xemaclite emaclite; -static char etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */ +static char etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */ /* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/ #ifdef CFG_ENV_IS_NOWHERE -static u8 EMACAddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; #endif -void XEmacLite_AlignedRead (u32 * SrcPtr, void *DestPtr, unsigned ByteCount) +void xemaclite_alignedread (u32 * srcptr, void *destptr, unsigned bytecount) { - unsigned i; - unsigned Length = ByteCount; - u32 AlignBuffer; - u32 *To32Ptr; - u32 *From32Ptr; - u8 *To8Ptr; - u8 *From8Ptr; + unsigned int i; + u32 alignbuffer; + u32 *to32ptr; + u32 *from32ptr; + u8 *to8ptr; + u8 *from8ptr; - From32Ptr = (u32 *) SrcPtr; + from32ptr = (u32 *) srcptr; /* Word aligned buffer, no correction needed. */ - To32Ptr = (u32 *) DestPtr; - while (Length > 3) { - *To32Ptr++ = *From32Ptr++; - Length -= 4; + to32ptr = (u32 *) destptr; + while (bytecount > 3) { + *to32ptr++ = *from32ptr++; + bytecount -= 4; } - To8Ptr = (u8 *) To32Ptr; + to8ptr = (u8 *) to32ptr; - AlignBuffer = *From32Ptr++; - From8Ptr = (u8 *) & AlignBuffer; + alignbuffer = *from32ptr++; + from8ptr = (u8 *) & alignbuffer; - for (i = 0; i < Length; i++) { - *To8Ptr++ = *From8Ptr++; + for (i = 0; i < bytecount; i++) { + *to8ptr++ = *from8ptr++; } } -void XEmacLite_AlignedWrite (void *SrcPtr, u32 * DestPtr, unsigned ByteCount) +void xemaclite_alignedwrite (void *srcptr, u32 destptr, unsigned bytecount) { unsigned i; - unsigned Length = ByteCount; - u32 AlignBuffer; - u32 *To32Ptr; - u32 *From32Ptr; - u8 *To8Ptr; - u8 *From8Ptr; - To32Ptr = DestPtr; - - From32Ptr = (u32 *) SrcPtr; - while (Length > 3) { - - *To32Ptr++ = *From32Ptr++; - Length -= 4; + u32 alignbuffer; + u32 *to32ptr = (u32 *) destptr; + u32 *from32ptr; + u8 *to8ptr; + u8 *from8ptr; + + from32ptr = (u32 *) srcptr; + while (bytecount > 3) { + + *to32ptr++ = *from32ptr++; + bytecount -= 4; } - AlignBuffer = 0; - To8Ptr = (u8 *) & AlignBuffer; - From8Ptr = (u8 *) From32Ptr; + alignbuffer = 0; + to8ptr = (u8 *) & alignbuffer; + from8ptr = (u8 *) from32ptr; - for (i = 0; i < Length; i++) { - *To8Ptr++ = *From8Ptr++; + for (i = 0; i < bytecount; i++) { + *to8ptr++ = *from8ptr++; } - *To32Ptr++ = AlignBuffer; + *to32ptr++ = alignbuffer; } void eth_halt (void) @@ -148,37 +145,38 @@ int eth_init (bd_t * bis) #ifdef DEBUG puts ("EmacLite Initialization Started\n"); #endif - memset (&EmacLite, 0, sizeof (XEmacLite)); - EmacLite.BaseAddress = XILINX_EMACLITE_BASEADDR; + memset (&emaclite, 0, sizeof (xemaclite)); + emaclite.baseaddress = XILINX_EMACLITE_BASEADDR; + + if (!getenv("ethaddr")) { + memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH); + } -#ifdef CFG_ENV_IS_NOWHERE - memcpy (bis->bi_enetaddr, EMACAddr, ENET_ADDR_LENGTH); -#endif /* * TX - TX_PING & TX_PONG initialization */ /* Restart PING TX */ - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, 0); + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0); /* Copy MAC address */ - XEmacLite_AlignedWrite (bis->bi_enetaddr, - EmacLite.BaseAddress, ENET_ADDR_LENGTH); + xemaclite_alignedwrite (bis->bi_enetaddr, + emaclite.baseaddress, ENET_ADDR_LENGTH); /* Set the length */ - out_be32 (EmacLite.BaseAddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); + out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); /* Update the MAC address in the EMAC Lite */ - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR); + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR); /* Wait for EMAC Lite to finish with the MAC address update */ - while ((in_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET) & + while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ; #ifdef XILINX_EMACLITE_TX_PING_PONG /* The same operation with PONG TX */ - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); - XEmacLite_AlignedWrite (bis->bi_enetaddr, - EmacLite.BaseAddress + XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); - out_be32 (EmacLite.BaseAddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); + xemaclite_alignedwrite (bis->bi_enetaddr, emaclite.baseaddress + + XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); + out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, XEL_TSR_PROG_MAC_ADDR); - while ((in_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + + while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ; #endif @@ -186,9 +184,9 @@ int eth_init (bd_t * bis) * RX - RX_PING & RX_PONG initialization */ /* Write out the value to flush the RX buffer */ - out_be32 (EmacLite.BaseAddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK); + out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK); #ifdef XILINX_EMACLITE_RX_PING_PONG - out_be32 (EmacLite.BaseAddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, + out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, XEL_RSR_RECV_IE_MASK); #endif @@ -198,39 +196,39 @@ int eth_init (bd_t * bis) return 0; } -int XEmacLite_TxBufferAvailable (XEmacLite * InstancePtr) +int xemaclite_txbufferavailable (xemaclite * instanceptr) { - u32 Register; - u32 TxPingBusy; - u32 TxPongBusy; + u32 reg; + u32 txpingbusy; + u32 txpongbusy; /* * Read the other buffer register * and determine if the other buffer is available */ - Register = in_be32 (InstancePtr->BaseAddress + - InstancePtr->NextTxBufferToUse + 0); - TxPingBusy = ((Register & XEL_TSR_XMIT_BUSY_MASK) == + reg = in_be32 (instanceptr->baseaddress + + instanceptr->nexttxbuffertouse + 0); + txpingbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) == XEL_TSR_XMIT_BUSY_MASK); - Register = in_be32 (InstancePtr->BaseAddress + - (InstancePtr->NextTxBufferToUse ^ XEL_TSR_OFFSET) + 0); - TxPongBusy = ((Register & XEL_TSR_XMIT_BUSY_MASK) == + reg = in_be32 (instanceptr->baseaddress + + (instanceptr->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0); + txpongbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) == XEL_TSR_XMIT_BUSY_MASK); - return (!(TxPingBusy && TxPongBusy)); + return (!(txpingbusy && txpongbusy)); } int eth_send (volatile void *ptr, int len) { - unsigned int Register; - unsigned int BaseAddress; + unsigned int reg; + unsigned int baseaddress; unsigned maxtry = 1000; if (len > ENET_MAX_MTU) len = ENET_MAX_MTU; - while (!XEmacLite_TxBufferAvailable (&EmacLite) && maxtry) { + while (!xemaclite_txbufferavailable (&emaclite) && maxtry) { udelay (10); maxtry--; } @@ -238,62 +236,62 @@ int eth_send (volatile void *ptr, int len) { if (!maxtry) { printf ("Error: Timeout waiting for ethernet TX buffer\n"); /* Restart PING TX */ - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, 0); + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0); #ifdef XILINX_EMACLITE_TX_PING_PONG - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + + out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); #endif return 0; } /* Determine the expected TX buffer address */ - BaseAddress = (EmacLite.BaseAddress + EmacLite.NextTxBufferToUse); + baseaddress = (emaclite.baseaddress + emaclite.nexttxbuffertouse); /* Determine if the expected buffer address is empty */ - Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); - if (((Register & XEL_TSR_XMIT_BUSY_MASK) == 0) - && ((in_be32 ((BaseAddress) + XEL_TSR_OFFSET) + reg = in_be32 (baseaddress + XEL_TSR_OFFSET); + if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) + && ((in_be32 ((baseaddress) + XEL_TSR_OFFSET) & XEL_TSR_XMIT_ACTIVE_MASK) == 0)) { #ifdef XILINX_EMACLITE_TX_PING_PONG - EmacLite.NextTxBufferToUse ^= XEL_BUFFER_OFFSET; + emaclite.nexttxbuffertouse ^= XEL_BUFFER_OFFSET; #endif #ifdef DEBUG - printf ("Send packet from 0x%x\n", BaseAddress); + printf ("Send packet from 0x%x\n", baseaddress); #endif /* Write the frame to the buffer */ - XEmacLite_AlignedWrite (ptr, (u32 *) BaseAddress, len); - out_be32 (BaseAddress + XEL_TPLR_OFFSET,(len & + xemaclite_alignedwrite ((void *) ptr, baseaddress, len); + out_be32 (baseaddress + XEL_TPLR_OFFSET,(len & (XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); - Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); - Register |= XEL_TSR_XMIT_BUSY_MASK; - if ((Register & XEL_TSR_XMIT_IE_MASK) != 0) { - Register |= XEL_TSR_XMIT_ACTIVE_MASK; + reg = in_be32 (baseaddress + XEL_TSR_OFFSET); + reg |= XEL_TSR_XMIT_BUSY_MASK; + if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { + reg |= XEL_TSR_XMIT_ACTIVE_MASK; } - out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); + out_be32 (baseaddress + XEL_TSR_OFFSET, reg); return 1; } #ifdef XILINX_EMACLITE_TX_PING_PONG /* Switch to second buffer */ - BaseAddress ^= XEL_BUFFER_OFFSET; + baseaddress ^= XEL_BUFFER_OFFSET; /* Determine if the expected buffer address is empty */ - Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); - if (((Register & XEL_TSR_XMIT_BUSY_MASK) == 0) - && ((in_be32 ((BaseAddress) + XEL_TSR_OFFSET) + reg = in_be32 (baseaddress + XEL_TSR_OFFSET); + if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) + && ((in_be32 ((baseaddress) + XEL_TSR_OFFSET) & XEL_TSR_XMIT_ACTIVE_MASK) == 0)) { #ifdef DEBUG - printf ("Send packet from 0x%x\n", BaseAddress); + printf ("Send packet from 0x%x\n", baseaddress); #endif /* Write the frame to the buffer */ - XEmacLite_AlignedWrite (ptr, (u32 *) BaseAddress, len); - out_be32 (BaseAddress + XEL_TPLR_OFFSET,(len & + xemaclite_alignedwrite ((void *) ptr, baseaddress, len); + out_be32 (baseaddress + XEL_TPLR_OFFSET,(len & (XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); - Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); - Register |= XEL_TSR_XMIT_BUSY_MASK; - if ((Register & XEL_TSR_XMIT_IE_MASK) != 0) { - Register |= XEL_TSR_XMIT_ACTIVE_MASK; + reg = in_be32 (baseaddress + XEL_TSR_OFFSET); + reg |= XEL_TSR_XMIT_BUSY_MASK; + if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { + reg |= XEL_TSR_XMIT_ACTIVE_MASK; } - out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); + out_be32 (baseaddress + XEL_TSR_OFFSET, reg); return 1; } #endif @@ -303,50 +301,50 @@ int eth_send (volatile void *ptr, int len) { int eth_rx (void) { - unsigned int Length; - unsigned int Register; - unsigned int BaseAddress; + unsigned int length; + unsigned int reg; + unsigned int baseaddress; - BaseAddress = EmacLite.BaseAddress + EmacLite.NextRxBufferToUse; - Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); + baseaddress = emaclite.baseaddress + emaclite.nextrxbuffertouse; + reg = in_be32 (baseaddress + XEL_RSR_OFFSET); #ifdef DEBUG - printf ("Testing data at address 0x%x\n", BaseAddress); + printf ("Testing data at address 0x%x\n", baseaddress); #endif - if ((Register & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { + if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { #ifdef XILINX_EMACLITE_RX_PING_PONG - EmacLite.NextRxBufferToUse ^= XEL_BUFFER_OFFSET; + emaclite.nextrxbuffertouse ^= XEL_BUFFER_OFFSET; #endif } else { #ifndef XILINX_EMACLITE_RX_PING_PONG #ifdef DEBUG - printf ("No data was available - address 0x%x\n", BaseAddress); + printf ("No data was available - address 0x%x\n", baseaddress); #endif return 0; #else - BaseAddress ^= XEL_BUFFER_OFFSET; - Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); - if ((Register & XEL_RSR_RECV_DONE_MASK) != + baseaddress ^= XEL_BUFFER_OFFSET; + reg = in_be32 (baseaddress + XEL_RSR_OFFSET); + if ((reg & XEL_RSR_RECV_DONE_MASK) != XEL_RSR_RECV_DONE_MASK) { #ifdef DEBUG printf ("No data was available - address 0x%x\n", - BaseAddress); + baseaddress); #endif return 0; } #endif } /* Get the length of the frame that arrived */ - switch(((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0xC)) & + switch(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0xC)) & 0xFFFF0000 ) >> 16) { case 0x806: - Length = 42 + 20; /* FIXME size of ARP */ + length = 42 + 20; /* FIXME size of ARP */ #ifdef DEBUG puts ("ARP Packet\n"); #endif break; case 0x800: - Length = 14 + 14 + - (((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0x10)) & + length = 14 + 14 + + (((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0x10)) & 0xFFFF0000) >> 16); /* FIXME size of IP packet */ #ifdef DEBUG puts("IP Packet\n"); @@ -356,22 +354,22 @@ int eth_rx (void) #ifdef DEBUG puts("Other Packet\n"); #endif - Length = ENET_MAX_MTU; + length = ENET_MAX_MTU; break; } - XEmacLite_AlignedRead ((BaseAddress + XEL_RXBUFF_OFFSET), - etherrxbuff, Length); + xemaclite_alignedread ((u32 *) (baseaddress + XEL_RXBUFF_OFFSET), + etherrxbuff, length); /* Acknowledge the frame */ - Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); - Register &= ~XEL_RSR_RECV_DONE_MASK; - out_be32 (BaseAddress + XEL_RSR_OFFSET, Register); + reg = in_be32 (baseaddress + XEL_RSR_OFFSET); + reg &= ~XEL_RSR_RECV_DONE_MASK; + out_be32 (baseaddress + XEL_RSR_OFFSET, reg); #ifdef DEBUG - printf ("Packet receive from 0x%x, length %dB\n", BaseAddress, Length); + printf ("Packet receive from 0x%x, length %dB\n", baseaddress, length); #endif - NetReceive ((uchar *) etherrxbuff, Length); + NetReceive ((uchar *) etherrxbuff, length); return 1; } -- 2.7.4