drivers/staging/et131x/et131x_debug.c

   1 /*
   2  * Agere Systems Inc.
   3  * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
   4  *
   5  * Copyright © 2005 Agere Systems Inc.
   6  * All rights reserved.
   7  *   http://www.agere.com
   8  *
   9  *------------------------------------------------------------------------------
  10  *
  11  * et131x_debug.c - Routines used for debugging.
  12  *
  13  *------------------------------------------------------------------------------
  14  *
  15  * SOFTWARE LICENSE
  16  *
  17  * This software is provided subject to the following terms and conditions,
  18  * which you should read carefully before using the software.  Using this
  19  * software indicates your acceptance of these terms and conditions.  If you do
  20  * not agree with these terms and conditions, do not use the software.
  21  *
  22  * Copyright © 2005 Agere Systems Inc.
  23  * All rights reserved.
  24  *
  25  * Redistribution and use in source or binary forms, with or without
  26  * modifications, are permitted provided that the following conditions are met:
  27  *
  28  * . Redistributions of source code must retain the above copyright notice, this
  29  *    list of conditions and the following Disclaimer as comments in the code as
  30  *    well as in the documentation and/or other materials provided with the
  31  *    distribution.
  32  *
  33  * . Redistributions in binary form must reproduce the above copyright notice,
  34  *    this list of conditions and the following Disclaimer in the documentation
  35  *    and/or other materials provided with the distribution.
  36  *
  37  * . Neither the name of Agere Systems Inc. nor the names of the contributors
  38  *    may be used to endorse or promote products derived from this software
  39  *    without specific prior written permission.
  40  *
  41  * Disclaimer
  42  *
  43  * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
  44  * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
  45  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
  46  * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
  47  * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
  48  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  49  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  50  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  51  * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  53  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  54  * DAMAGE.
  55  *
  56  */
  57
  58 #ifdef CONFIG_ET131X_DEBUG
  59
  60 #include "et131x_version.h"
  61 #include "et131x_debug.h"
  62 #include "et131x_defs.h"
  63
  64 #include <linux/pci.h>
  65 #include <linux/init.h>
  66 #include <linux/module.h>
  67 #include <linux/types.h>
  68 #include <linux/kernel.h>
  69
  70 #include <linux/sched.h>
  71 #include <linux/ptrace.h>
  72 #include <linux/slab.h>
  73 #include <linux/ctype.h>
  74 #include <linux/string.h>
  75 #include <linux/timer.h>
  76 #include <linux/interrupt.h>
  77 #include <linux/in.h>
  78 #include <linux/delay.h>
  79 #include <asm/io.h>
  80 #include <asm/system.h>
  81 #include <asm/bitops.h>
  82
  83 #include <linux/netdevice.h>
  84 #include <linux/etherdevice.h>
  85 #include <linux/skbuff.h>
  86 #include <linux/if_arp.h>
  87 #include <linux/ioport.h>
  88 #include <linux/random.h>
  89
  90 #include "et1310_phy.h"
  91 #include "et1310_pm.h"
  92 #include "et1310_jagcore.h"
  93
  94 #include "et131x_adapter.h"
  95 #include "et131x_netdev.h"
  96 #include "et131x_config.h"
  97 #include "et131x_isr.h"
  98
  99 #include "et1310_address_map.h"
 100 #include "et1310_tx.h"
 101 #include "et1310_rx.h"
 102 #include "et1310_mac.h"
 103
 104 /* Data for debugging facilities */
 105 extern dbg_info_t *et131x_dbginfo;
 106
 107 /**
 108  * DumpTxQueueContents - Dump out the tx queue and the shadow pointers
 109  * @pAdapter: pointer to our adapter structure
 110  */
 111 void DumpTxQueueContents(int dbgLvl, struct et131x_adapter *pAdapter)
 112 {
 113         MMC_t __iomem *mmc = &pAdapter->CSRAddress->mmc;
 114         uint32_t TxQueueAddr;
 115
 116         if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
 117                 for (TxQueueAddr = 0x200; TxQueueAddr < 0x3ff; TxQueueAddr++) {
 118                         MMC_SRAM_ACCESS_t sram_access;
 119
 120                         sram_access.value = readl(&mmc->sram_access.value);
 121                         sram_access.bits.req_addr = TxQueueAddr;
 122                         sram_access.bits.req_access = 1;
 123                         writel(sram_access.value, &mmc->sram_access.value);
 124
 125                         DBG_PRINT("Addr 0x%x, Access 0x%08x\t"
 126                                   "Value 1 0x%08x, Value 2 0x%08x, "
 127                                   "Value 3 0x%08x, Value 4 0x%08x, \n",
 128                                   TxQueueAddr,
 129                                   readl(&mmc->sram_access.value),
 130                                   readl(&mmc->sram_word1),
 131                                   readl(&mmc->sram_word2),
 132                                   readl(&mmc->sram_word3),
 133                                   readl(&mmc->sram_word4));
 134                 }
 135
 136                 DBG_PRINT("Shadow Pointers 0x%08x\n",
 137                           readl(&pAdapter->CSRAddress->txmac.shadow_ptr.value));
 138         }
 139 }
 140
 141 /**
 142  * DumpDeviceBlock
 143  * @pAdapter: pointer to our adapter
 144  *
 145  * Dumps the first 64 regs of each block of the et-1310 (each block is
 146  * mapped to a new page, each page is 4096 bytes).
 147  */
 148 #define NUM_BLOCKS 8
 149 void DumpDeviceBlock(int dbgLvl, struct et131x_adapter *pAdapter,
 150                      uint32_t Block)
 151 {
 152         uint32_t Address1, Address2;
 153         uint32_t __iomem *BigDevicePointer =
 154                 (uint32_t __iomem *) pAdapter->CSRAddress;
 155         const char *BlockNames[NUM_BLOCKS] = {
 156                 "Global", "Tx DMA", "Rx DMA", "Tx MAC",
 157                 "Rx MAC", "MAC", "MAC Stat", "MMC"
 158         };
 159
 160         /* Output the debug counters to the debug terminal */
 161         if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
 162                 DBG_PRINT("%s block\n", BlockNames[Block]);
 163                 BigDevicePointer += Block * 1024;
 164                 for (Address1 = 0; Address1 < 8; Address1++) {
 165                         for (Address2 = 0; Address2 < 8; Address2++) {
 166                                 if (Block == 0 &&
 167                                     (Address1 * 8 + Address2) == 6) {
 168                                         DBG_PRINT("  ISR    , ");
 169                                 } else {
 170                                         DBG_PRINT("0x%08x, ",
 171                                                   readl(BigDevicePointer++));
 172                                 }
 173                         }
 174                         DBG_PRINT("\n");
 175                 }
 176                 DBG_PRINT("\n");
 177         }
 178 }
 179
 180 /**
 181  * DumpDeviceReg
 182  * @pAdapter: pointer to our adapter
 183  *
 184  * Dumps the first 64 regs of each block of the et-1310 (each block is
 185  * mapped to a new page, each page is 4096 bytes).
 186  */
 187 void DumpDeviceReg(int dbgLvl, struct et131x_adapter *pAdapter)
 188 {
 189         uint32_t Address1, Address2;
 190         uint32_t Block;
 191         uint32_t __iomem *BigDevicePointer =
 192                 (uint32_t __iomem *) pAdapter->CSRAddress;
 193         uint32_t __iomem *Pointer;
 194         const char *BlockNames[NUM_BLOCKS] = {
 195                 "Global", "Tx DMA", "Rx DMA", "Tx MAC",
 196                 "Rx MAC", "MAC", "MAC Stat", "MMC"
 197         };
 198
 199         /* Output the debug counters to the debug terminal */
 200         if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
 201                 for (Block = 0; Block < NUM_BLOCKS; Block++) {
 202                         DBG_PRINT("%s block\n", BlockNames[Block]);
 203                         Pointer = BigDevicePointer + (Block * 1024);
 204
 205                         for (Address1 = 0; Address1 < 8; Address1++) {
 206                                 for (Address2 = 0; Address2 < 8; Address2++) {
 207                                         DBG_PRINT("0x%08x, ",
 208                                                   readl(Pointer++));
 209                                 }
 210                                 DBG_PRINT("\n");
 211                         }
 212                         DBG_PRINT("\n");
 213                 }
 214         }
 215 }
 216
 217 #endif // CONFIG_ET131X_DEBUG