packages/ti/deh/Watchdog.xs

   1 /*
   2  * Copyright (c) 2012-2014, Texas Instruments Incorporated
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * *  Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * *  Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * *  Neither the name of Texas Instruments Incorporated nor the names of
  17  *    its contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  27  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  *  ======== Watchdog.xs ========
  35  *
  36  */
  37
  38 var Watchdog = null;
  39 var Core = null;
  40 var MultiProc = null;
  41 var Task = null;
  42 var Swi  = null;
  43 var taskHook = null;
  44 var swiHook  = null;
  45 var catalogName = null;
  46
  47 if (xdc.om.$name == "cfg" || typeof(genCdoc) != "undefined") {
  48     var deviceTable = {
  49         "ti.catalog.c6000": {
  50             "OMAP5430": {
  51                 wdtimer: [
  52                    {
  53                         name: "WdTimerDsp",     /* GpTimer 6 */
  54                         baseAddr: 0x01d3A000,
  55                         clkCtrl: 0x4A004570,    /* Virtual address */
  56                         intNum:  15,
  57                         eventId: 52,
  58                     },
  59                 ]
  60             },
  61             "DRA7XX": {
  62                 wdtimer: [
  63                     {
  64                         name: "WdTimerDsp",     /* GpTimer 10 */
  65                         baseAddr: 0x48086000,   /* Virtual address */
  66                         clkCtrl: 0x4A009728,    /* Virtual address */
  67                         intNum:  15,
  68                         eventId: 72,
  69                     },
  70                 ]
  71             },
  72         },
  73         "ti.catalog.arm.cortexm4": {
  74             "OMAP5430": {
  75                 wdtimer: [
  76                     {
  77                         name: "WdTimerCore0",   /* GpTimer 9 */
  78                         baseAddr: 0xA803E000,   /* Virtual address */
  79                         clkCtrl: 0xAA009450,    /* Virtual address */
  80                         intNum:  55,
  81                         eventId: -1,
  82                     },
  83                     {
  84                         name: "WdTimerCore1",   /* GpTimer 11 */
  85                         baseAddr: 0xA8088000,   /* Virtual address */
  86                         clkCtrl: 0xAA009430,    /* Virtual address */
  87                         intNum:  56,
  88                         eventId: -1,
  89                     },
  90                 ]
  91             },
  92             "DRA7XX": {
  93                 wdtimer: [
  94                     {
  95                         name: "WdTimerCore0",   /* GpTimer 9 */
  96                         baseAddr: 0x6803E000,   /* Virtual address */
  97                         clkCtrl: 0x6A009750,    /* Virtual address */
  98                         intNum:  55,
  99                         eventId: -1,
 100                     },
 101                     {
 102                         name: "WdTimerCore1",   /* GpTimer 4 */
 103                         baseAddr: 0x68036000,   /* Virtual address */
 104                         clkCtrl: 0x6A009748,    /* Virtual address */
 105                         intNum:  54,
 106                         eventId: -1,
 107                     },
 108                 ]
 109             },
 110         },
 111     };
 112 }
 113
 114 /*
 115  *  ======== module$meta$init ========
 116  */
 117 function module$meta$init()
 118 {
 119     /* Only process during "cfg" phase */
 120     if (xdc.om.$name != "cfg") {
 121         return;
 122     }
 123
 124     Watchdog = this;
 125
 126     catalogName = Program.cpu.catalogName;
 127
 128     /* Loop through the device table */
 129     /* TODO: This lookup table can be replaced to use the dmTimer module
 130      *       later on, and eliminate the need for this device table */
 131     for (deviceName in deviceTable[catalogName]) {
 132         if (deviceName == Program.cpu.deviceName) {
 133             var device = deviceTable[catalogName][deviceName].wdtimer;
 134
 135             Watchdog.timerSettings.length = device.length;
 136             for (var i = 0; i < device.length; i++) {
 137                 Watchdog.timerSettings[i].baseAddr = null;
 138                 Watchdog.timerSettings[i].clkCtrl = null;
 139                 Watchdog.timerSettings[i].intNum = device[i].intNum;
 140                 Watchdog.timerSettings[i].eventId = device[i].eventId;
 141             }
 142
 143             return;
 144         }
 145     }
 146
 147     /* Falls through on failure */
 148     print("Watchdog Timer configuration is not found for the specified device ("
 149             + Program.cpu.deviceName + ").");
 150
 151     for (device in deviceTable[catalogName]) {
 152         print("\t" + device);
 153     }
 154
 155     throw new Error ("Watchdog Timer unsupported on device!");
 156 }
 157
 158 /*
 159  *  ======== module$use ========
 160  */
 161 function module$use()
 162 {
 163     var Settings = xdc.module("ti.sysbios.family.Settings");
 164     var Hwi = xdc.useModule(Settings.getDefaultHwiDelegate());
 165
 166     xdc.useModule('xdc.runtime.System');
 167
 168     if (Program.platformName.match(/IPU/) ||
 169         Program.platformName.match(/ipu/)) {
 170         Core = xdc.module("ti.sysbios.hal.Core");
 171     }
 172     else {
 173         MultiProc = xdc.module('ti.sdo.utils.MultiProc');
 174         if (Program.platformName.match(/DSP/)) {
 175             xdc.useModule('ti.sysbios.family.c64p.tesla.Wugen');
 176         }
 177     }
 178
 179     Task = xdc.useModule('ti.sysbios.knl.Task');
 180     taskHook = new Task.HookSet;
 181
 182     Swi  = xdc.useModule('ti.sysbios.knl.Swi');
 183     swiHook  = new Swi.HookSet;
 184 }
 185
 186 /*
 187  *  ======== module$static$init ========
 188  */
 189 function module$static$init(mod, params)
 190 {
 191     var device = deviceTable[catalogName][Program.cpu.deviceName].wdtimer;
 192
 193     swiHook.beginFxn = this.swiPrehook;
 194     Swi.addHookSet(swiHook);
 195
 196     taskHook.switchFxn = this.taskSwitch;
 197     Task.addHookSet(taskHook);
 198
 199     /* Assign default values if not supplied through configuration */
 200     for (var i = 0; i < device.length; i++) {
 201         if (Watchdog.timerSettings[i].baseAddr == null) {
 202             Watchdog.timerSettings[i].baseAddr = $addr(device[i].baseAddr);
 203         }
 204         if (Watchdog.timerSettings[i].clkCtrl == null) {
 205             Watchdog.timerSettings[i].clkCtrl = $addr(device[i].clkCtrl);
 206         }
 207     }
 208
 209     mod.device.length = 1;
 210     mod.status.length   = 1;
 211     mod.wdtCores      = 1;
 212     if (Program.build.target.name.match(/C64T/) ||
 213         Program.build.target.name.match(/C66/)) {
 214         mod.device[0].baseAddr = Watchdog.timerSettings[0].baseAddr;
 215         mod.device[0].clkCtrl  = Watchdog.timerSettings[0].clkCtrl;
 216         mod.device[0].intNum   = Watchdog.timerSettings[0].intNum;
 217         mod.device[0].eventId  = Watchdog.timerSettings[0].eventId;
 218         mod.status[0]          = Watchdog.Mode_DISABLED;
 219     }
 220     else {
 221         if (Program.platformName.match(/IPU/) ||
 222             Program.platformName.match(/ipu/)) {
 223             mod.device.length       = Core.numCores;
 224             mod.status.length       = Core.numCores;
 225             mod.wdtCores            = Core.numCores;
 226
 227             mod.device[0].baseAddr  = Watchdog.timerSettings[0].baseAddr;
 228             mod.device[0].clkCtrl   = Watchdog.timerSettings[0].clkCtrl;
 229             mod.device[0].intNum    = Watchdog.timerSettings[0].intNum;
 230             mod.device[0].eventId   = Watchdog.timerSettings[0].eventId;
 231             mod.status[0]           = Watchdog.Mode_DISABLED;
 232
 233             mod.device[1].baseAddr  = Watchdog.timerSettings[1].baseAddr;
 234             mod.device[1].clkCtrl   = Watchdog.timerSettings[1].clkCtrl;
 235             mod.device[1].intNum    = Watchdog.timerSettings[1].intNum;
 236             mod.device[1].eventId   = Watchdog.timerSettings[1].eventId;
 237             mod.status[1]           = Watchdog.Mode_DISABLED;
 238         }
 239         else {
 240             if (MultiProc.id == MultiProc.getIdMeta("CORE0")) {
 241                 mod.device[0].baseAddr  = Watchdog.timerSettings[0].baseAddr;
 242                 mod.device[0].clkCtrl   = Watchdog.timerSettings[0].clkCtrl;
 243                 mod.device[0].intNum    = Watchdog.timerSettings[0].intNum;
 244                 mod.device[0].eventId   = Watchdog.timerSettings[0].eventId;
 245             }
 246             else {
 247                 mod.device[0].baseAddr  = Watchdog.timerSettings[1].baseAddr;
 248                 mod.device[0].clkCtrl   = Watchdog.timerSettings[1].clkCtrl;
 249                 mod.device[0].intNum    = Watchdog.timerSettings[1].intNum;
 250                 mod.device[0].eventId   = Watchdog.timerSettings[1].eventId;
 251             }
 252             mod.status[0]               = Watchdog.Mode_DISABLED;
 253         }
 254     }
 255 }