| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: niu_dma_bind.vr |
| 4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 6 | // |
| 7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 8 | // |
| 9 | // This program is free software; you can redistribute it and/or modify |
| 10 | // it under the terms of the GNU General Public License as published by |
| 11 | // the Free Software Foundation; version 2 of the License. |
| 12 | // |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | // |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | // |
| 22 | // For the avoidance of doubt, and except that if any non-GPL license |
| 23 | // choice is available it will apply instead, Sun elects to use only |
| 24 | // the General Public License version 2 (GPLv2) at this time for any |
| 25 | // software where a choice of GPL license versions is made |
| 26 | // available with the language indicating that GPLv2 or any later version |
| 27 | // may be used, or where a choice of which version of the GPL is applied is |
| 28 | // otherwise unspecified. |
| 29 | // |
| 30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 31 | // CA 95054 USA or visit www.sun.com if you need additional information or |
| 32 | // have any questions. |
| 33 | // |
| 34 | // ========== Copyright Header End ============================================ |
| 35 | #include <vera_defines.vrh> |
| 36 | #include "pio_memory_map.vri" |
| 37 | #include "niu_gen_pio.vrh" |
| 38 | #include "niu_mem.vrh" |
| 39 | #include "niu_cbclass.vrh" |
| 40 | #include "mbox_class.vrh" |
| 41 | #include "cMesg.vrh" |
| 42 | |
| 43 | extern niu_gen_pio gen_pio_drv; |
| 44 | extern CSparseMem SparseMem; |
| 45 | extern mbox_class mbox_id; |
| 46 | extern Mesg be_msg; |
| 47 | |
| 48 | |
| 49 | class CNiuDMABind { |
| 50 | |
| 51 | // Bind Shadows |
| 52 | |
| 53 | // group to DMA Shadow |
| 54 | local bit [31:0] grp_tx_dma_bind[64]; |
| 55 | local bit [31:0] grp_rx_dma_bind[64]; |
| 56 | local bit[63:0] prog_grps; |
| 57 | // DMA to group Shadow |
| 58 | local integer tx_dma_grp_bind[64]; |
| 59 | local integer rx_dma_grp_bind[64]; |
| 60 | |
| 61 | // functions numbers per DMA |
| 62 | integer tx_dma_func_bind[32]; |
| 63 | integer rx_dma_func_bind[32]; |
| 64 | |
| 65 | |
| 66 | local task WriteDMABind(integer group_no, bit[63:0] data); |
| 67 | function bit[63:0] ReadDMABind(integer group_no); |
| 68 | task SetTxBind( integer dma_no, integer group_no); |
| 69 | task SetRxBind( integer dma_no, integer group_no); |
| 70 | task ResetTxBind( integer dma_no, integer group_no); |
| 71 | task ResetRxBind( integer dma_no, integer group_no); |
| 72 | task SetRxTxBind( integer tx_dma_no, integer rx_dma_no, integer group_no); |
| 73 | function integer isDMABound(integer dma_no, integer tx_or_rx, integer group_no); |
| 74 | function bit[63:0] getPIOAddress( integer dma_no, integer tx_or_rx, integer group_no, bit[63:0] address, (integer pass_through=1) ); |
| 75 | function bit[63:0] getFuncNoBase( integer group_no) ; |
| 76 | function integer getUnboundPIOAddress(var bit [63:0] address) ; |
| 77 | task CheckFunctionBinds(bit [63:0] address,integer func); |
| 78 | task InitUnBoundGroups() ; |
| 79 | task spCheckFunctionBinds (); |
| 80 | task SetDefFunc(integer func,integer type,integer id) ; |
| 81 | |
| 82 | |
| 83 | task new() { |
| 84 | integer i; |
| 85 | integer func_chk_enable; |
| 86 | prog_grps = 64'h0; |
| 87 | for(i=0;i<64;i++) { |
| 88 | grp_tx_dma_bind[i] = 32'h0; |
| 89 | grp_rx_dma_bind[i] = 32'h0; |
| 90 | } |
| 91 | for(i=0;i<64;i++) { |
| 92 | tx_dma_grp_bind[i] = -1; |
| 93 | rx_dma_grp_bind[i] = -1; |
| 94 | } |
| 95 | for(i=0;i<32;i++) { |
| 96 | rx_dma_func_bind[i] = -1; |
| 97 | tx_dma_func_bind[i] = -1; |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | task CNiuDMABind::SetDefFunc(integer func,integer type,integer id) { |
| 103 | if(type==1/*RX*/) { |
| 104 | rx_dma_func_bind[id] = func; |
| 105 | } else {/*TX*/ |
| 106 | tx_dma_func_bind[id] = func; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | task CNiuDMABind::WriteDMABind(integer group_no, bit[63:0] data) { |
| 111 | bit[63:0] address; |
| 112 | address = DMA_BIND + 8*group_no; |
| 113 | gen_pio_drv.pio_wr(address,data); |
| 114 | } |
| 115 | function bit[63:0] CNiuDMABind::ReadDMABind(integer group_no) { |
| 116 | bit[63:0] address; |
| 117 | address = DMA_BIND + 8*group_no; |
| 118 | gen_pio_drv.pio_rd(address,ReadDMABind); |
| 119 | } |
| 120 | |
| 121 | task CNiuDMABind::SetTxBind( integer dma_no, integer group_no) { |
| 122 | // Check if this group is already bound. If so do a RMW |
| 123 | bit [63:0] rdata; |
| 124 | bit [4:0] d; |
| 125 | d = dma_no; // vera issue |
| 126 | //if((rx_dma_grp_bind[group_no]!= -1)|(tx_dma_grp_bind[group_no]!= -1)) { // } |
| 127 | if((grp_tx_dma_bind[group_no]!= 0) | (grp_rx_dma_bind[group_no]!= 0)) { |
| 128 | // group already bound |
| 129 | rdata = ReadDMABind(group_no); |
| 130 | } else { |
| 131 | rdata = 64'h0; |
| 132 | } |
| 133 | rdata[12:8] = d; |
| 134 | rdata[13] = 1; |
| 135 | WriteDMABind(group_no,rdata); |
| 136 | // update the Shadows |
| 137 | tx_dma_grp_bind[dma_no] = group_no; |
| 138 | tx_dma_func_bind[dma_no] = group_no/16; |
| 139 | grp_tx_dma_bind[group_no] = grp_tx_dma_bind[group_no] | 1<<dma_no; |
| 140 | prog_grps[group_no] = 1'b1; |
| 141 | printf("CNiuDMABind::SetTxBind: TxDMA - %d Bound to Group - %d \n",dma_no,group_no); |
| 142 | } |
| 143 | task CNiuDMABind::SetRxBind( integer dma_no, integer group_no) { |
| 144 | bit [63:0] rdata; |
| 145 | bit [4:0] d; |
| 146 | d = dma_no; // vera issue |
| 147 | //if((rx_dma_grp_bind[group_no]!= -1)|(tx_dma_grp_bind[group_no]!= -1)) { // } |
| 148 | if((grp_tx_dma_bind[group_no]!= 0) | (grp_rx_dma_bind[group_no]!= 0)) { |
| 149 | // group already bound |
| 150 | rdata = ReadDMABind(group_no); |
| 151 | } else { |
| 152 | rdata = 64'h0; |
| 153 | } |
| 154 | rdata[4:0] = d; |
| 155 | rdata[5] = 1; |
| 156 | WriteDMABind(group_no,rdata); |
| 157 | rx_dma_grp_bind[dma_no] = group_no; |
| 158 | rx_dma_func_bind[dma_no] = group_no/16; |
| 159 | grp_rx_dma_bind[group_no] = grp_rx_dma_bind[group_no] | 1<<dma_no; |
| 160 | prog_grps[group_no] = 1'b1; |
| 161 | printf("CNiuDMABind::SetRxBind: RxDMA - %d Bound to Group - %d \n",dma_no,group_no); |
| 162 | |
| 163 | } |
| 164 | task CNiuDMABind::ResetTxBind( integer dma_no, integer group_no) { |
| 165 | // Check if this group is already bound. If so do a RMW |
| 166 | bit [63:0] rdata; |
| 167 | bit [4:0] d; |
| 168 | d = dma_no; // vera issue |
| 169 | rdata = ReadDMABind(group_no); |
| 170 | rdata[12:8] = d; |
| 171 | rdata[13] = 0; |
| 172 | WriteDMABind(group_no,rdata); |
| 173 | // update the Shadows |
| 174 | tx_dma_grp_bind[dma_no] = -1; |
| 175 | tx_dma_func_bind[dma_no] = group_no/16; |
| 176 | grp_tx_dma_bind[group_no] = grp_tx_dma_bind[group_no] | 0<<dma_no; |
| 177 | prog_grps[group_no] = 1'b0; |
| 178 | printf("CNiuDMABind::ResetTxBind: TxDMA - %d Reset Bound to Group - %d \n",dma_no,group_no); |
| 179 | } |
| 180 | task CNiuDMABind::ResetRxBind( integer dma_no, integer group_no) { |
| 181 | bit [63:0] rdata; |
| 182 | bit [4:0] d; |
| 183 | d = dma_no; // vera issue |
| 184 | rdata = ReadDMABind(group_no); |
| 185 | rdata[4:0] = d; |
| 186 | rdata[5] = 0; |
| 187 | WriteDMABind(group_no,rdata); |
| 188 | rx_dma_grp_bind[dma_no] = -1; |
| 189 | rx_dma_func_bind[dma_no] = group_no/16; |
| 190 | grp_rx_dma_bind[group_no] = grp_rx_dma_bind[group_no] | 0<<dma_no; |
| 191 | prog_grps[group_no] = 1'b0; |
| 192 | printf("CNiuDMABind::ResetRxBind: RxDMA - %d Reset Bound to Group - %d \n",dma_no,group_no); |
| 193 | |
| 194 | } |
| 195 | task CNiuDMABind::SetRxTxBind( integer tx_dma_no, integer rx_dma_no, integer group_no) { |
| 196 | |
| 197 | bit[63:0] rdata; |
| 198 | bit [4:0] t_d, r_d; |
| 199 | rdata = 64'h0; |
| 200 | |
| 201 | t_d = tx_dma_no; |
| 202 | r_d = rx_dma_no; |
| 203 | |
| 204 | rdata[12:8] = t_d; |
| 205 | rdata[13] = 1; |
| 206 | rdata[4:0] = r_d; |
| 207 | rdata[5] = 1; |
| 208 | |
| 209 | WriteDMABind(group_no,rdata); |
| 210 | rx_dma_grp_bind[rx_dma_no] = group_no; |
| 211 | rx_dma_func_bind[rx_dma_no] = group_no/16; |
| 212 | grp_rx_dma_bind[group_no] = grp_rx_dma_bind[group_no] | 1<<rx_dma_no; |
| 213 | |
| 214 | tx_dma_grp_bind[tx_dma_no] = group_no; |
| 215 | tx_dma_func_bind[tx_dma_no] = group_no/16; |
| 216 | grp_tx_dma_bind[group_no] = grp_tx_dma_bind[group_no] | 1<<tx_dma_no; |
| 217 | prog_grps[group_no] = 1'b1; |
| 218 | |
| 219 | |
| 220 | } |
| 221 | |
| 222 | function bit[63:0] CNiuDMABind::getFuncNoBase( integer group_no) { |
| 223 | if(group_no<=15) { |
| 224 | getFuncNoBase = FUNC0_VIR; |
| 225 | } else if(group_no<=31) { |
| 226 | getFuncNoBase = FUNC1_VIR; |
| 227 | } else if(group_no<=47) { |
| 228 | getFuncNoBase = FUNC2_VIR; |
| 229 | } else if(group_no<=63) { |
| 230 | getFuncNoBase = FUNC3_VIR; |
| 231 | } else { |
| 232 | getFuncNoBase = 64'hx; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | function bit[63:0] CNiuDMABind::getPIOAddress( integer dma_no, integer tx_or_rx, integer group_no, bit[63:0] address, (integer pass_through=1) ) { |
| 237 | integer func; |
| 238 | bit[5:0] g; |
| 239 | bit[63:0] orig_address; |
| 240 | orig_address = address; |
| 241 | g = group_no; |
| 242 | getPIOAddress = orig_address; |
| 243 | if((pass_through==1) | ( address[19]==1)) { |
| 244 | getPIOAddress = orig_address; |
| 245 | } else if(pass_through==-1) { |
| 246 | // place holder for generating error address |
| 247 | getPIOAddress = 0; |
| 248 | } else if(isDMABound(dma_no,tx_or_rx,group_no)) { |
| 249 | |
| 250 | getPIOAddress = getFuncNoBase(group_no); |
| 251 | getPIOAddress[8:0] = orig_address[8:0]; |
| 252 | getPIOAddress[9] = (tx_or_rx==0)? 0: 1; // Check polarity |
| 253 | getPIOAddress[14] = g[3]; |
| 254 | getPIOAddress[12:10] = g[2:0]; |
| 255 | |
| 256 | |
| 257 | } else { |
| 258 | // Need to generate error address here |
| 259 | getPIOAddress = 64'hx; |
| 260 | printf("CNiuDMABind::getPIOAddress dma_no - %d Not Bound to GroupNo - %d \n",dma_no,group_no); |
| 261 | } |
| 262 | printf("CNiuDMABind::getPIOAddress dma_no - %d orig_address - %x New Address - %x \n",dma_no,address,getPIOAddress); |
| 263 | } |
| 264 | |
| 265 | function integer CNiuDMABind::isDMABound(integer dma_no, integer tx_or_rx, integer group_no) { |
| 266 | if(group_no==-1) { |
| 267 | /* NEED TO GENERATE A VALID GROUP!!!*/ |
| 268 | isDMABound =0; |
| 269 | } else if(tx_or_rx==0/*TX*/) { |
| 270 | if(tx_dma_grp_bind[dma_no]==group_no) isDMABound = 1; |
| 271 | else isDMABound = 0; |
| 272 | } else {/*RX*/ |
| 273 | if(rx_dma_grp_bind[dma_no]==group_no) isDMABound = 1; |
| 274 | else isDMABound = 0; |
| 275 | } |
| 276 | printf("CNiuDMABind::isDMABound dma_no - %d group - %d isDMABound - %d \n",dma_no,group_no,isDMABound); |
| 277 | } |
| 278 | task CNiuDMABind::InitUnBoundGroups() { |
| 279 | // Fill up the group table with random values, but disable the valid bit |
| 280 | integer i; |
| 281 | bit[63:0] wdata; |
| 282 | |
| 283 | for(i=0;i<64;i++) { |
| 284 | if(prog_grps[i]==1'b0) { |
| 285 | wdata = {random(),random()}; |
| 286 | wdata[13] = 1'b0; |
| 287 | wdata[5] = 1'b0; |
| 288 | WriteDMABind(i,wdata); |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | task CNiuDMABind::spCheckFunctionBinds () { |
| 294 | CfuncCheck funcChk; |
| 295 | bit [63:0] address;integer func; |
| 296 | integer no; |
| 297 | while(1) { |
| 298 | no = mailbox_get(WAIT,mbox_id.funcChk, funcChk); |
| 299 | address = funcChk.address; |
| 300 | func = funcChk.func; |
| 301 | CheckFunctionBinds(address,func); |
| 302 | |
| 303 | } |
| 304 | } |
| 305 | task CNiuDMABind::CheckFunctionBinds(bit [63:0] address,integer func) { |
| 306 | /*Task to be called only in Neptune and with a plusargs*/ |
| 307 | integer page_id; |
| 308 | integer dma; |
| 309 | integer rx_or_tx; |
| 310 | integer group; |
| 311 | integer funct_for_dma; |
| 312 | |
| 313 | page_id= SparseMem.check_page_id(address); |
| 314 | if(page_id==-1) { |
| 315 | printf("CNiuDMABind::CheckFunctionBinds: WARNING Address - %x Doesnt Match any of the defined Page!! \n",address); |
| 316 | be_msg.print(e_mesg_error,"CNiuDMABind::CheckFunctionBinds:",""," Address - %x Doesnt Match any of the defined Page!! \n",address); |
| 317 | |
| 318 | return; |
| 319 | } else { |
| 320 | if(page_id <64) { |
| 321 | rx_or_tx=0; |
| 322 | dma = page_id/2; |
| 323 | } else { |
| 324 | rx_or_tx=1; |
| 325 | dma = (page_id-64)/2; |
| 326 | } |
| 327 | } |
| 328 | printf("CNiuDMABind::CheckFunctionBinds: PAGE - %d rx_or_tx -%d - DMA - %d Address - %x!!\n",page_id,rx_or_tx,dma,address); |
| 329 | if(rx_or_tx) { |
| 330 | funct_for_dma = rx_dma_func_bind[dma]; |
| 331 | } else { |
| 332 | funct_for_dma = tx_dma_func_bind[dma]; |
| 333 | } |
| 334 | |
| 335 | if(funct_for_dma==-1) { |
| 336 | printf("CNiuDMABind::CheckFunctionBinds: ERROR funct_for_dma for DMA - %d is unbound !!\n",dma); |
| 337 | be_msg.print(e_mesg_error,"CNiuDMABind::CheckFunctionBinds:",""," funct_for_dma for DMA - %d is unbound \n",dma); |
| 338 | } else { |
| 339 | if(func!==funct_for_dma) { |
| 340 | printf(" CNiuDMABind::CheckFunctionBinds: Incorrect FunctionNumber received for address - %x DMA - %d\n",address,dma); |
| 341 | be_msg.print(e_mesg_error,"CNiuDMABind::CheckFunctionBinds:",""," Incorrect FunctionNumber received Expected Function No - %d Actual - %d \n",funct_for_dma,func); |
| 342 | printf(" CNiuDMABind::CheckFunctionBinds: ERROR Incorrect FunctionNumber received Expected Function No - %d Actual - %d\n",funct_for_dma,func); |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | function integer CNiuDMABind::getUnboundPIOAddress(var bit [63:0] address) { |
| 347 | |
| 348 | bit[5:0] g; |
| 349 | // pick up a random unbound group |
| 350 | // |
| 351 | if(prog_grps==64'hffffffffffffffff) { |
| 352 | getUnboundPIOAddress = 0; |
| 353 | } else { |
| 354 | g=random()%64; |
| 355 | while(prog_grps[g]==1'b1) { |
| 356 | g=random()%64; |
| 357 | } |
| 358 | |
| 359 | address = getFuncNoBase(g); |
| 360 | address[9:0] = random(); |
| 361 | address[14] = g[3]; |
| 362 | address[12:10] = g[2:0]; |
| 363 | |
| 364 | getUnboundPIOAddress = 1; |
| 365 | |
| 366 | } |
| 367 | |
| 368 | } |