src/mainboard/iei/pcisa-lx-800-r10/irq_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <arch/pirq_routing.h>
  22 // #include <console/console.h>
  23 #include <arch/io.h>
  24
  25 /* Platform IRQs */
  26 #define PIRQA 11
  27 #define PIRQB 10
  28 #define PIRQC 11
  29 #define PIRQD 5
  30
  31 /* Link */
  32 #define LINK_PIRQA 1
  33 #define LINK_PIRQB 2
  34 #define LINK_PIRQC 3
  35 #define LINK_PIRQD 4
  36 #define LINK_NONE 0
  37
  38 /* Map */
  39 #define IRQ_BITMAP_LINKA (1 << PIRQA)
  40 #define IRQ_BITMAP_LINKB (1 << PIRQB)
  41 #define IRQ_BITMAP_LINKC (1 << PIRQC)
  42 #define IRQ_BITMAP_LINKD (1 << PIRQD)
  43 #define IRQ_BITMAP_NOLINK 0x0
  44
  45 #define EXCLUSIVE_PCI_IRQS (IRQ_BITMAP_LINKA | IRQ_BITMAP_LINKB | IRQ_BITMAP_LINKC | IRQ_BITMAP_LINKD)
  46
  47 const struct irq_routing_table intel_irq_routing_table = {
  48         PIRQ_SIGNATURE,         /* u32 signature */
  49         PIRQ_VERSION,           /* u16 version   */
  50         32 + 16 * CONFIG_IRQ_SLOT_COUNT,/* there can be total 6 devices on the bus */
  51         0x00,                   /* Where the interrupt router lies (bus) */
  52         (0x0F << 3) | 0x0,      /* Where the interrupt router lies (dev) */
  53         EXCLUSIVE_PCI_IRQS,     /* IRQs devoted exclusively to PCI usage */
  54         0x1078,                 /* Vendor */
  55         0x0002,                 /* Device */
  56         0,                      /* Crap (miniport) */
  57         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},      /* u8 rfu[11] */
  58         0x62,                   /* u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
  59
  60         .slots = {
  61                 [0] = {
  62                         .slot = 0x0,    /* means also "on board" */
  63                         .bus = 0x00,
  64                         .devfn = (0x01<<3)|0x0, /* 0x01 is CS5536 */
  65                         .irq = {
  66                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
  67                                         .link = LINK_PIRQA,
  68                                         .bitmap = IRQ_BITMAP_LINKA
  69                                 },
  70                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
  71                                         .link = LINK_NONE,
  72                                         .bitmap = IRQ_BITMAP_NOLINK
  73                                 },
  74                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
  75                                         .link = LINK_NONE,
  76                                         .bitmap = IRQ_BITMAP_NOLINK
  77                                 },
  78                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
  79                                         .link = LINK_NONE,
  80                                         .bitmap = IRQ_BITMAP_NOLINK
  81                                 }
  82                         }
  83                 },
  84
  85                 [1] = {
  86                         .slot = 0x0,    /* means also "on board" */
  87                         .bus = 0x00,
  88                         .devfn = (0x0f<<3)|0x0, /* 0x0f is CS5536 (USB, AUDIO) */
  89                         .irq = {
  90                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
  91                                         .link = LINK_NONE,
  92                                         .bitmap = IRQ_BITMAP_NOLINK
  93                                 },
  94                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
  95                                         .link = LINK_PIRQB, /* Audio */
  96                                         .bitmap = IRQ_BITMAP_LINKB
  97                                 },
  98                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
  99                                         .link = LINK_NONE,
 100                                         .bitmap = IRQ_BITMAP_NOLINK
 101                                 },
 102                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 103                                         .link = LINK_PIRQD, /* USB */
 104                                         .bitmap = IRQ_BITMAP_LINKD
 105                                 }
 106                         }
 107                 },
 108
 109                 [2] = {
 110                         .slot = 0x0,    /* means also "on board" */
 111                         .bus = 0x00,
 112                         .devfn = (0x0e<<3)|0x0, /* 0x0e is eth0 */
 113                         .irq = {
 114                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 115                                         .link = LINK_PIRQD,
 116                                         .bitmap = IRQ_BITMAP_LINKD
 117                                 },
 118                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 119                                         .link = LINK_NONE,
 120                                         .bitmap = IRQ_BITMAP_NOLINK
 121                                 },
 122                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 123                                         .link = LINK_NONE,
 124                                         .bitmap = IRQ_BITMAP_NOLINK
 125                                 },
 126                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 127                                         .link = LINK_NONE,
 128                                         .bitmap = IRQ_BITMAP_NOLINK
 129                                 }
 130                         }
 131                 },
 132
 133                 [3] = {
 134                         .slot = 0x0,    /* means also "on board" */
 135                         .bus = 0x00,
 136                         .devfn = (0x10<<3)|0x0, /* 0x10 is eth1 */
 137                         .irq = {
 138                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 139                                         .link = LINK_PIRQB,
 140                                         .bitmap = IRQ_BITMAP_LINKB
 141                                 },
 142                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 143                                         .link = LINK_NONE,
 144                                         .bitmap = IRQ_BITMAP_NOLINK
 145                                 },
 146                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 147                                         .link = LINK_NONE,
 148                                         .bitmap = IRQ_BITMAP_NOLINK
 149                                 },
 150                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 151                                         .link = LINK_NONE,
 152                                         .bitmap = IRQ_BITMAP_NOLINK
 153                                 }
 154                         }
 155                 },
 156
 157                 [4] = {
 158                         .slot = 0x0,    /* means also "on board" */
 159                         .bus = 0x00,
 160                         .devfn = (0x11<<3)|0x0, /* 0x11 is SATA */
 161                         .irq = {
 162                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 163                                         .link = LINK_PIRQA,
 164                                         .bitmap = IRQ_BITMAP_LINKA
 165                                 },
 166                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 167                                         .link = LINK_NONE,
 168                                         .bitmap = IRQ_BITMAP_NOLINK
 169                                 },
 170                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 171                                         .link = LINK_NONE,
 172                                         .bitmap = IRQ_BITMAP_NOLINK
 173                                 },
 174                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 175                                         .link = LINK_NONE,
 176                                         .bitmap = IRQ_BITMAP_NOLINK
 177                                 }
 178                         }
 179                 },
 180
 181 /*
 182  * ################### backplane ###################
 183  */
 184
 185 /*
 186  * PCI1
 187  */
 188                 [5] = {
 189                         .slot = 0x1,    /* This is real PCI slot. */
 190                         .bus = 0x00,
 191                         .devfn = (0x09<<3)|0x0, /* 0x09 is PCI1 */
 192                         .irq = {
 193                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 194                                         .link = LINK_PIRQA,
 195                                         .bitmap = IRQ_BITMAP_LINKA
 196                                 },
 197                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 198                                         .link = LINK_PIRQB,
 199                                         .bitmap = IRQ_BITMAP_LINKB
 200                                 },
 201                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 202                                         .link = LINK_PIRQC,
 203                                         .bitmap = IRQ_BITMAP_LINKC
 204                                 },
 205                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 206                                         .link = LINK_PIRQD,
 207                                         .bitmap = IRQ_BITMAP_LINKD
 208                                 }
 209                         }
 210                 },
 211 /*
 212  * PCI2
 213  */
 214                 [6] = {
 215                         .slot = 0x2,    /* This is real PCI slot. */
 216                         .bus = 0x00,
 217                         .devfn = (0x0a<<3)|0x0, /* 0x0a is PCI2 */
 218                         .irq = {
 219                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 220                                         .link = LINK_PIRQD,
 221                                         .bitmap = IRQ_BITMAP_LINKD
 222                                 },
 223                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 224                                         .link = LINK_PIRQA,
 225                                         .bitmap = IRQ_BITMAP_LINKA
 226                                 },
 227                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 228                                         .link = LINK_PIRQB,
 229                                         .bitmap = IRQ_BITMAP_LINKB
 230                                 },
 231                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 232                                         .link = LINK_PIRQC,
 233                                         .bitmap = IRQ_BITMAP_LINKC
 234                                 }
 235                         }
 236                 },
 237 /*
 238  * PCI3
 239  */
 240                 [7] = {
 241                         .slot = 0x3,    /* This is real PCI slot. */
 242                         .bus = 0x00,
 243                         .devfn = (0x0b<<3)|0x0, /* 0x0b is PCI3 */
 244                         .irq = {
 245                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 246                                         .link = LINK_PIRQC,
 247                                         .bitmap = IRQ_BITMAP_LINKC
 248                                 },
 249                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 250                                         .link = LINK_PIRQD,
 251                                         .bitmap = IRQ_BITMAP_LINKD
 252                                 },
 253                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 254                                         .link = LINK_PIRQA,
 255                                         .bitmap = IRQ_BITMAP_LINKA
 256                                 },
 257                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 258                                         .link = LINK_PIRQB,
 259                                         .bitmap = IRQ_BITMAP_LINKB
 260                                 }
 261                         }
 262                 },
 263 /*
 264  * PCI4
 265  */
 266                 [8] = {
 267                         .slot = 0x4,    /* This is real PCI slot. */
 268                         .bus = 0x00,
 269                         .devfn = (0x0c<<3)|0x0, /* 0x0c is PCI4 */
 270                         .irq = {
 271                                 [0] = { /* <-- 0 means this is INTA# output from the device or slot */
 272                                         .link = LINK_PIRQB,
 273                                         .bitmap = IRQ_BITMAP_LINKB
 274                                 },
 275                                 [1] = { /* <-- 1 means this is INTB# output from the device or slot */
 276                                         .link = LINK_PIRQC,
 277                                         .bitmap = IRQ_BITMAP_LINKC
 278                                 },
 279                                 [2] = { /* <-- 2 means this is INTC# output from the device or slot */
 280                                         .link = LINK_PIRQD,
 281                                         .bitmap = IRQ_BITMAP_LINKD
 282                                 },
 283                                 [3] = { /* <-- 3 means this is INTD# output from the device or slot */
 284                                         .link = LINK_PIRQA,
 285                                         .bitmap = IRQ_BITMAP_LINKA
 286                                 }
 287                         }
 288                 },
 289         }
 290 };
 291
 292 unsigned long write_pirq_routing_table(unsigned long addr)
 293 {
 294         /* Put the PIR table in memory and checksum. */
 295         return  copy_pirq_routing_table(addr);
 296 }