Subversion Repositories openrisc_2011-10-31

/Makefile.in

/Makefile.am

Makefile.am Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: fields.h =================================================================== --- fields.h (nonexistent) +++ fields.h (revision 347) @@ -0,0 +1,64 @@ +/* fields.h -- Some macros to help with bit field definitions + + Copyright (C) 2001 by Erez Volk, erez@opencores.org + Copyright (C) 2008 Embecosm Limited + + Contributor Jeremy Bennett + + This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator. + + 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 3 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, see . */ + +/* This program is commented throughout in a fashion suitable for processing + with Doxygen. */ + + +#ifndef FIELDS__H +#define FIELDS__H + + +/* Macros to get/set a field in a register + * Example: + * unsigned long done, priority, channel_csr; + * + * priority = GET_FIELD( channel_csr, DMA_CH_CSR, PRIORITY ); + * SET_FIELD( channel_csr, DMA_CH_CSR, PRIORITY, priority ); + * + * done = TEST_FLAG( channel_csr, DMA_CH_CSR, DONE ); + * SET_FLAG( channel_csr, DMA_CH_CSR, DONE ); + * CLEAR_FLAG( channel_csr, DMA_CH_CSR, DONE ); + * ASSIGN_FLAG( channel_csr, DMA_CH_CSR, done ); + * + * For each field, we then define e.g. + * #define DMA_CH_CSR_PRIORITY_OFFSET 13 + * #define DMA_CH_CSR_PRIORITY_WIDTH 3 // not needed for flags, which always have width = 1 + */ + +#define FLAG_SHIFT(reg_name,flag_name) (reg_name##_##flag_name##_OFFSET) +#define FLAG_MASK(reg_name,flag_name) (1LU << reg_name##_##flag_name##_OFFSET) + +#define TEST_FLAG(reg_value,reg_name,flag_name) (((reg_value ) >> reg_name##_##flag_name##_OFFSET) & 1LU) +#define SET_FLAG(reg_value,reg_name,flag_name) { (reg_value) |= 1LU << reg_name##_##flag_name##_OFFSET; } +#define CLEAR_FLAG(reg_value,reg_name,flag_name) { (reg_value) &= ~(1LU << reg_name##_##flag_name##_OFFSET); } +#define ASSIGN_FLAG(reg_value,reg_name,flag_name,flag_value) { \ + (reg_value) = flag_value ? ((reg_value) | (1LU << reg_name##_##flag_name##_OFFSET)) : ((reg_value) & ~(1LU << reg_name##_##flag_name##_OFFSET)); } + +#define FIELD_SHIFT(reg_name,field_name) (reg_name##_##field_name##_OFFSET) +#define FIELD_MASK(reg_name,field_name) ((~(~0LU << reg_name##_##field_name##_WIDTH)) << reg_name##_##field_name##_OFFSET) + +#define GET_FIELD(reg_value,reg_name,field_name) (((reg_value) >> reg_name##_##field_name##_OFFSET) & (~(~0LU << reg_name##_##field_name##_WIDTH))) +#define SET_FIELD(reg_value,reg_name,field_name,field_value) { \ + (reg_value) = ((reg_value) & ~((~(~0LU << reg_name##_##field_name##_WIDTH)) << reg_name##_##field_name##_OFFSET)) | ((field_value) << reg_name##_##field_name##_OFFSET); } + +#endif /* FIELDS__H */

fields.h Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: eth.h =================================================================== --- eth.h (nonexistent) +++ eth.h (revision 347) @@ -0,0 +1,170 @@ +/* eth.h -- OpenCores ethernet driver defines + + Copyright (C) 2001 Erez Volk, erez@mailandnews.comopencores.org + Copyright (C) 2008 Embecosm Limited + + Contributor Jeremy Bennett + + This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator. + + 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 3 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, see . */ + +/* This program is commented throughout in a fashion suitable for processing + with Doxygen. */ + +#ifndef ETH__H +#define ETH__H + +/* Relative Register Addresses */ +#define ETH_MODER (4 * 0x00) +#define ETH_INT_SOURCE (4 * 0x01) +#define ETH_INT_MASK (4 * 0x02) +#define ETH_IPGT (4 * 0x03) +#define ETH_IPGR1 (4 * 0x04) +#define ETH_IPGR2 (4 * 0x05) +#define ETH_PACKETLEN (4 * 0x06) +#define ETH_COLLCONF (4 * 0x07) +#define ETH_TX_BD_NUM (4 * 0x08) +#define ETH_CTRLMODER (4 * 0x09) +#define ETH_MIIMODER (4 * 0x0A) +#define ETH_MIICOMMAND (4 * 0x0B) +#define ETH_MIIADDRESS (4 * 0x0C) +#define ETH_MIITX_DATA (4 * 0x0D) +#define ETH_MIIRX_DATA (4 * 0x0E) +#define ETH_MIISTATUS (4 * 0x0F) +#define ETH_MAC_ADDR0 (4 * 0x10) +#define ETH_MAC_ADDR1 (4 * 0x11) +#define ETH_HASH0 (4 * 0x12) +#define ETH_HASH1 (4 * 0x13) + +/* Where BD's are stored */ +#define ETH_BD_BASE 0x400 +#define ETH_BD_COUNT 0x100 +#define ETH_BD_SPACE (4 * ETH_BD_COUNT) + +/* Where to point DMA to transmit/receive */ +#define ETH_DMA_RX_TX 0x800 + +/* Field definitions for MODER */ +#define ETH_MODER_DMAEN_OFFSET 17 +#define ETH_MODER_RECSMALL_OFFSET 16 +#define ETH_MODER_PAD_OFFSET 15 +#define ETH_MODER_HUGEN_OFFSET 14 +#define ETH_MODER_CRCEN_OFFSET 13 +#define ETH_MODER_DLYCRCEN_OFFSET 12 +#define ETH_MODER_RST_OFFSET 11 +#define ETH_MODER_FULLD_OFFSET 10 +#define ETH_MODER_EXDFREN_OFFSET 9 +#define ETH_MODER_NOBCKOF_OFFSET 8 +#define ETH_MODER_LOOPBCK_OFFSET 7 +#define ETH_MODER_IFG_OFFSET 6 +#define ETH_MODER_PRO_OFFSET 5 +#define ETH_MODER_IAM_OFFSET 4 +#define ETH_MODER_BRO_OFFSET 3 +#define ETH_MODER_NOPRE_OFFSET 2 +#define ETH_MODER_TXEN_OFFSET 1 +#define ETH_MODER_RXEN_OFFSET 0 + +/* Field definitions for INT_SOURCE */ +#define ETH_INT_SOURCE_RXC_OFFSET 6 +#define ETH_INT_SOURCE_TXC_OFFSET 5 +#define ETH_INT_SOURCE_BUSY_OFFSET 4 +#define ETH_INT_SOURCE_RXE_OFFSET 3 +#define ETH_INT_SOURCE_RXB_OFFSET 2 +#define ETH_INT_SOURCE_TXE_OFFSET 1 +#define ETH_INT_SOURCE_TXB_OFFSET 0 + +/* Field definitions for INT_MASK */ +#define ETH_INT_MASK_RXC_M_OFFSET 6 +#define ETH_INT_MASK_TXC_M_OFFSET 5 +#define ETH_INT_MASK_BUSY_M_OFFSET 4 +#define ETH_INT_MASK_RXE_M_OFFSET 3 +#define ETH_INT_MASK_RXB_M_OFFSET 2 +#define ETH_INT_MASK_TXE_M_OFFSET 1 +#define ETH_INT_MASK_TXB_M_OFFSET 0 + +/* Field definitions for PACKETLEN */ +#define ETH_PACKETLEN_MINFL_OFFSET 16 +#define ETH_PACKETLEN_MINFL_WIDTH 16 +#define ETH_PACKETLEN_MAXFL_OFFSET 0 +#define ETH_PACKETLEN_MAXFL_WIDTH 16 + +/* Field definitions for COLLCONF */ +#define ETH_COLLCONF_MAXRET_OFFSET 16 +#define ETH_COLLCONF_MAXRET_WIDTH 4 +#define ETH_COLLCONF_COLLVALID_OFFSET 0 +#define ETH_COLLCONF_COLLVALID_WIDTH 6 + +/* Field definitions for CTRLMODER */ +#define ETH_CMODER_TXFLOW_OFFSET 2 +#define ETH_CMODER_RXFLOW_OFFSET 1 +#define ETH_CMODER_PASSALL_OFFSET 0 + +/* Field definitions for MIIMODER */ +#define ETH_MIIMODER_MRST_OFFSET 9 +#define ETH_MIIMODER_NOPRE_OFFSET 8 +#define ETH_MIIMODER_CLKDIV_OFFSET 0 +#define ETH_MIIMODER_CLKDIV_WIDTH 8 + +/* Field definitions for MIICOMMAND */ +#define ETH_MIICOMM_WCDATA_OFFSET 2 +#define ETH_MIICOMM_RSTAT_OFFSET 1 +#define ETH_MIICOMM_SCANS_OFFSET 0 + +/* Field definitions for MIIADDRESS */ +#define ETH_MIIADDR_RGAD_OFFSET 8 +#define ETH_MIIADDR_RGAD_WIDTH 5 +#define ETH_MIIADDR_FIAD_OFFSET 0 +#define ETH_MIIADDR_FIAD_WIDTH 5 + +/* Field definitions for MIISTATUS */ +#define ETH_MIISTAT_NVALID_OFFSET 1 +#define ETH_MIISTAT_BUSY_OFFSET 1 +#define ETH_MIISTAT_FAIL_OFFSET 0 + +/* Field definitions for TX buffer descriptors */ +#define ETH_TX_BD_LENGTH_OFFSET 16 +#define ETH_TX_BD_LENGTH_WIDTH 16 +#define ETH_TX_BD_READY_OFFSET 15 +#define ETH_TX_BD_IRQ_OFFSET 14 +#define ETH_TX_BD_WRAP_OFFSET 13 +#define ETH_TX_BD_PAD_OFFSET 12 +#define ETH_TX_BD_CRC_OFFSET 11 +#define ETH_TX_BD_LAST_OFFSET 10 +#define ETH_TX_BD_PAUSE_OFFSET 9 +#define ETH_TX_BD_UNDERRUN_OFFSET 8 +#define ETH_TX_BD_RETRY_OFFSET 4 +#define ETH_TX_BD_RETRY_WIDTH 4 +#define ETH_TX_BD_RETRANSMIT_OFFSET 3 +#define ETH_TX_BD_COLLISION_OFFSET 2 +#define ETH_TX_BD_DEFER_OFFSET 1 +#define ETH_TX_BD_NO_CARRIER_OFFSET 0 + + +/* Field definitions for RX buffer descriptors */ +#define ETH_RX_BD_LENGTH_OFFSET 16 +#define ETH_RX_BD_LENGTH_WIDTH 16 +#define ETH_RX_BD_READY_OFFSET 15 +#define ETH_RX_BD_IRQ_OFFSET 14 +#define ETH_RX_BD_WRAP_OFFSET 13 +#define ETH_RX_BD_MISS_OFFSET 7 +#define ETH_RX_BD_UVERRUN_OFFSET 6 +#define ETH_RX_BD_INVALID_OFFSET 5 +#define ETH_RX_BD_DRIBBLE_OFFSET 4 +#define ETH_RX_BD_TOOBIG_OFFSET 3 +#define ETH_RX_BD_TOOSHORT_OFFSET 2 +#define ETH_RX_BD_CRC_OFFSET 1 +#define ETH_RX_BD_COLLISION_OFFSET 0 + +#endif Index: eth.c =================================================================== --- eth.c (nonexistent) +++ eth.c (revision 347) @@ -0,0 +1,252 @@ +/* eth.c. Test of Or1ksim Ethernet + + Copyright (C) 1999-2006 OpenCores + Copyright (C) 2010 Embecosm Limited + + Contributors various OpenCores participants + Contributor Jeremy Bennett + + This file is part of OpenRISC 1000 Architectural Simulator. + + 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 3 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, see . */ + +/* ---------------------------------------------------------------------------- + This code is commented throughout for use with Doxygen. + --------------------------------------------------------------------------*/ + +#include "spr-defs.h" +#include "support.h" +#include "board.h" + +typedef long off_t; + +#include "fields.h" +#include "eth.h" + +typedef volatile unsigned long *REGISTER; + +REGISTER + eth_moder = (unsigned long *)(ETH_BASE + ETH_MODER), + eth_int_source = (unsigned long *)(ETH_BASE + ETH_INT_SOURCE), + eth_int_mask = (unsigned long *)(ETH_BASE + ETH_INT_MASK), + eth_ipgt = (unsigned long *)(ETH_BASE + ETH_IPGT), + eth_ipgr1 = (unsigned long *)(ETH_BASE + ETH_IPGR1), + eth_ipgr2 = (unsigned long *)(ETH_BASE + ETH_IPGR2), + eth_packetlen = (unsigned long *)(ETH_BASE + ETH_PACKETLEN), + eth_collconf = (unsigned long *)(ETH_BASE + ETH_COLLCONF), + eth_tx_bd_num = (unsigned long *)(ETH_BASE + ETH_TX_BD_NUM), + eth_controlmoder = (unsigned long *)(ETH_BASE + ETH_CTRLMODER), + eth_miimoder = (unsigned long *)(ETH_BASE + ETH_MIIMODER), + eth_miicommand = (unsigned long *)(ETH_BASE + ETH_MIICOMMAND), + eth_miiaddress = (unsigned long *)(ETH_BASE + ETH_MIIADDRESS), + eth_miitx_data = (unsigned long *)(ETH_BASE + ETH_MIITX_DATA), + eth_miirx_data = (unsigned long *)(ETH_BASE + ETH_MIIRX_DATA), + eth_miistatus = (unsigned long *)(ETH_BASE + ETH_MIISTATUS), + eth_mac_addr0 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR0), + eth_mac_addr1 = (unsigned long *)(ETH_BASE + ETH_MAC_ADDR1), + eth_bd_base = (unsigned long *)(ETH_BASE + ETH_BD_BASE); + +volatile unsigned int_happend; +unsigned char r_packet[2000]; +unsigned char s_packet[1003]; +unsigned tx_bindex; +unsigned rx_bindex; + +void interrupt_handler() +{ + unsigned i,len; + + printf ("Int\n"); + switch (*eth_int_source & 0x7f) { + case 0x2 : + printf ("Transmit Error.\n"); + *eth_int_source = 0x2; + break; + case 0x8 : + printf ("Receive Error\n"); + *eth_int_source = 0x8; + break; + case 0x4 : + printf ("Receive Frame\n"); + *eth_int_source = 0x4; + + CLEAR_FLAG(*eth_moder, ETH_MODER, RXEN); + + len = GET_FIELD(eth_bd_base[(*eth_tx_bd_num << 1) + 2], ETH_RX_BD, LENGTH); + for (i=0; i

eth.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property