X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fxilinx_emaclite.c;h=564205df83d39532f378bd0d5f32ad4e2c632b04;hb=552ddbe3ceaae1346b6f223248141b846afc6c80;hp=7e69211af94655a556379b5ff691bfbf25a356ee;hpb=0c0a9cda1bde37106520476ed486bd67eb8d30ae;p=oweals%2Fu-boot.git diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c index 7e69211af9..564205df83 100644 --- a/drivers/net/xilinx_emaclite.c +++ b/drivers/net/xilinx_emaclite.c @@ -1,38 +1,21 @@ /* - * (C) Copyright 2007 Michal Simek + * (C) Copyright 2007-2009 Michal Simek + * (C) Copyright 2003 Xilinx Inc. * * Michal SIMEK * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include +#include #include +#include -#ifdef XILINX_EMACLITE_BASEADDR +#undef DEBUG -//#define DEBUG - -#define ENET_MAX_MTU PKTSIZE -#define ENET_MAX_MTU_ALIGNED PKTSIZE_ALIGN #define ENET_ADDR_LENGTH 6 /* EmacLite constants */ @@ -63,316 +46,347 @@ /* Recv interrupt enable bit */ #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; - -static XEmacLite EmacLite; +struct xemaclite { + u32 nexttxbuffertouse; /* Next TX buffer to write to */ + u32 nextrxbuffertouse; /* Next RX buffer to read from */ + u32 txpp; /* TX ping pong buffer */ + u32 rxpp; /* RX ping pong buffer */ +}; -static char etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */ +static u32 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 }; -#endif - -void XEmacLite_AlignedRead (u32 * SrcPtr, void *DestPtr, unsigned ByteCount) +static void xemaclite_alignedread(u32 *srcptr, void *destptr, u32 bytecount) { - unsigned i; - unsigned Length = ByteCount; - u32 AlignBuffer; - u32 *To32Ptr; - u32 *From32Ptr; - u8 *To8Ptr; - u8 *From8Ptr; + u32 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) +static void xemaclite_alignedwrite(void *srcptr, u32 destptr, u32 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 i; + 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) +static void emaclite_halt(struct eth_device *dev) { -#ifdef DEBUG - puts ("eth_halt\n"); -#endif + debug("eth_halt\n"); } -int eth_init (bd_t * bis) +static int emaclite_init(struct eth_device *dev, bd_t *bis) { -#ifdef DEBUG - puts ("EmacLite Initialization Started\n"); -#endif - memset (&EmacLite, 0, sizeof (XEmacLite)); - EmacLite.BaseAddress = XILINX_EMACLITE_BASEADDR; + struct xemaclite *emaclite = dev->priv; + debug("EmacLite Initialization Started\n"); -#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 (dev->iobase + XEL_TSR_OFFSET, 0); /* Copy MAC address */ - XEmacLite_AlignedWrite (bis->bi_enetaddr, - EmacLite.BaseAddress, ENET_ADDR_LENGTH); + xemaclite_alignedwrite(dev->enetaddr, dev->iobase, ENET_ADDR_LENGTH); /* Set the length */ - out_be32 (EmacLite.BaseAddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); + out_be32 (dev->iobase + 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 (dev->iobase + 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) & - 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, - XEL_TSR_PROG_MAC_ADDR); - while ((in_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + - XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ; -#endif + while ((in_be32 (dev->iobase + XEL_TSR_OFFSET) & + XEL_TSR_PROG_MAC_ADDR) != 0) + ; + + if (emaclite->txpp) { + /* The same operation with PONG TX */ + out_be32 (dev->iobase + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); + xemaclite_alignedwrite(dev->enetaddr, dev->iobase + + XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); + out_be32 (dev->iobase + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); + out_be32 (dev->iobase + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, + XEL_TSR_PROG_MAC_ADDR); + while ((in_be32 (dev->iobase + XEL_TSR_OFFSET + + XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) + ; + } /* * 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); -#ifdef XILINX_EMACLITE_RX_PING_PONG - out_be32 (EmacLite.BaseAddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, - XEL_RSR_RECV_IE_MASK); -#endif + out_be32 (dev->iobase + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK); -#ifdef DEBUG - puts ("EmacLite Initialization complete\n"); -#endif + if (emaclite->rxpp) + out_be32 (dev->iobase + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, + XEL_RSR_RECV_IE_MASK); + + debug("EmacLite Initialization complete\n"); return 0; } -int XEmacLite_TxBufferAvailable (XEmacLite * InstancePtr) +static int xemaclite_txbufferavailable(struct eth_device *dev) { - u32 Register; - u32 TxPingBusy; - u32 TxPongBusy; + u32 reg; + u32 txpingbusy; + u32 txpongbusy; + struct xemaclite *emaclite = dev->priv; + /* * 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 (dev->iobase + + emaclite->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 (dev->iobase + + (emaclite->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; +static int emaclite_send(struct eth_device *dev, void *ptr, int len) +{ + u32 reg; + u32 baseaddress; + struct xemaclite *emaclite = dev->priv; - unsigned maxtry = 1000; + u32 maxtry = 1000; - if (len > ENET_MAX_MTU) - len = ENET_MAX_MTU; + if (len > PKTSIZE) + len = PKTSIZE; - while (!XEmacLite_TxBufferAvailable (&EmacLite) && maxtry) { - udelay (10); + while (!xemaclite_txbufferavailable(dev) && maxtry) { + udelay(10); maxtry--; } if (!maxtry) { - printf ("Error: Timeout waiting for ethernet TX buffer\n"); + printf("Error: Timeout waiting for ethernet TX buffer\n"); /* Restart PING TX */ - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, 0); -#ifdef XILINX_EMACLITE_TX_PING_PONG - out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + - XEL_BUFFER_OFFSET, 0); -#endif - return 0; + out_be32 (dev->iobase + XEL_TSR_OFFSET, 0); + if (emaclite->txpp) { + out_be32 (dev->iobase + XEL_TSR_OFFSET + + XEL_BUFFER_OFFSET, 0); + } + return -1; } /* Determine the expected TX buffer address */ - BaseAddress = (EmacLite.BaseAddress + EmacLite.NextTxBufferToUse); + baseaddress = (dev->iobase + 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; -#endif -#ifdef DEBUG - printf ("Send packet from 0x%x\n", BaseAddress); -#endif + if (emaclite->txpp) + emaclite->nexttxbuffertouse ^= XEL_BUFFER_OFFSET; + + debug("Send packet from 0x%x\n", baseaddress); /* Write the frame to the buffer */ - XEmacLite_AlignedWrite (ptr, (u32 *) BaseAddress, len); - out_be32 (BaseAddress + XEL_TPLR_OFFSET,(len & + xemaclite_alignedwrite(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; - } - out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); - return 1; + 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, reg); + return 0; } -#ifdef XILINX_EMACLITE_TX_PING_PONG - /* Switch to second buffer */ - 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) - & XEL_TSR_XMIT_ACTIVE_MASK) == 0)) { -#ifdef DEBUG - 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 & - (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; + + if (emaclite->txpp) { + /* Switch to second buffer */ + baseaddress ^= XEL_BUFFER_OFFSET; + /* Determine if the expected buffer address is empty */ + 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)) { + debug("Send packet from 0x%x\n", baseaddress); + /* Write the frame to the buffer */ + xemaclite_alignedwrite(ptr, baseaddress, len); + out_be32 (baseaddress + XEL_TPLR_OFFSET, (len & + (XEL_TPLR_LENGTH_MASK_HI | + XEL_TPLR_LENGTH_MASK_LO))); + 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, reg); + return 0; } - out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); - return 1; } -#endif - puts ("Error while sending frame\n"); - return 0; + + puts("Error while sending frame\n"); + return -1; } -int eth_rx (void) +static int emaclite_recv(struct eth_device *dev) { - unsigned int Length; - unsigned int Register; - unsigned int BaseAddress; - - BaseAddress = EmacLite.BaseAddress + EmacLite.NextRxBufferToUse; - Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); -#ifdef DEBUG -// printf ("Testing data at address 0x%x\n", BaseAddress); -#endif - if ((Register & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { -#ifdef XILINX_EMACLITE_RX_PING_PONG - EmacLite.NextRxBufferToUse ^= XEL_BUFFER_OFFSET; -#endif + u32 length; + u32 reg; + u32 baseaddress; + struct xemaclite *emaclite = dev->priv; + + baseaddress = dev->iobase + emaclite->nextrxbuffertouse; + reg = in_be32 (baseaddress + XEL_RSR_OFFSET); + debug("Testing data at address 0x%x\n", baseaddress); + if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { + if (emaclite->rxpp) + emaclite->nextrxbuffertouse ^= XEL_BUFFER_OFFSET; } else { -#ifndef XILINX_EMACLITE_RX_PING_PONG -#ifdef DEBUG -// 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) != - XEL_RSR_RECV_DONE_MASK) { -#ifdef DEBUG -// printf ("No data was available - address 0x%x\n", -// BaseAddress); -#endif + + if (!emaclite->rxpp) { + debug("No data was available - address 0x%x\n", + baseaddress); return 0; + } else { + baseaddress ^= XEL_BUFFER_OFFSET; + reg = in_be32 (baseaddress + XEL_RSR_OFFSET); + if ((reg & XEL_RSR_RECV_DONE_MASK) != + XEL_RSR_RECV_DONE_MASK) { + debug("No data was available - address 0x%x\n", + baseaddress); + return 0; + } } -#endif } /* Get the length of the frame that arrived */ - switch(((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0xC)) & + switch(((ntohl(in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0xC))) & 0xFFFF0000 ) >> 16) { case 0x806: - Length = 42 + 20; /* FIXME size of ARP */ -#ifdef DEBUG - puts ("ARP Packet\n"); -#endif + length = 42 + 20; /* FIXME size of ARP */ + debug("ARP Packet\n"); break; case 0x800: - Length = 14 + 14 + - (((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0x10)) & - 0xFFFF0000) >> 16); /* FIXME size of IP packet */ -#ifdef DEBUG - puts("IP Packet\n"); -#endif + length = 14 + 14 + + (((ntohl(in_be32 (baseaddress + XEL_RXBUFF_OFFSET + + 0x10))) & 0xFFFF0000) >> 16); + /* FIXME size of IP packet */ + debug ("IP Packet\n"); break; default: -#ifdef DEBUG - puts("Other Packet\n"); -#endif - Length = ENET_MAX_MTU; + debug("Other Packet\n"); + length = PKTSIZE; 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); + + debug("Packet receive from 0x%x, length %dB\n", baseaddress, length); + net_process_received_packet((uchar *)etherrxbuff, length); + return length; + +} + +int xilinx_emaclite_initialize(bd_t *bis, unsigned long base_addr, + int txpp, int rxpp) +{ + struct eth_device *dev; + struct xemaclite *emaclite; + + dev = calloc(1, sizeof(*dev)); + if (dev == NULL) + return -1; + + emaclite = calloc(1, sizeof(struct xemaclite)); + if (emaclite == NULL) { + free(dev); + return -1; + } + + dev->priv = emaclite; + + emaclite->txpp = txpp; + emaclite->rxpp = rxpp; + + sprintf(dev->name, "Xelite.%lx", base_addr); + + dev->iobase = base_addr; + dev->init = emaclite_init; + dev->halt = emaclite_halt; + dev->send = emaclite_send; + dev->recv = emaclite_recv; + + eth_register(dev); -#ifdef DEBUG - printf ("Packet receive from 0x%x, length %dB\n", BaseAddress, Length); -#endif - NetReceive ((uchar *) etherrxbuff, Length); return 1; +} + +#if CONFIG_IS_ENABLED(OF_CONTROL) +int xilinx_emaclite_of_init(const void *blob) +{ + int offset = 0; + u32 ret = 0; + u32 reg; + + do { + offset = fdt_node_offset_by_compatible(blob, offset, + "xlnx,xps-ethernetlite-1.00.a"); + if (offset != -1) { + reg = fdtdec_get_addr(blob, offset, "reg"); + if (reg != FDT_ADDR_T_NONE) { + u32 rxpp = fdtdec_get_int(blob, offset, + "xlnx,rx-ping-pong", 0); + u32 txpp = fdtdec_get_int(blob, offset, + "xlnx,tx-ping-pong", 0); + ret |= xilinx_emaclite_initialize(NULL, reg, + txpp, rxpp); + } else { + debug("EMACLITE: Can't get base address\n"); + return -1; + } + } + } while (offset != -1); + return ret; } #endif