board/amcc/yucca/yucca.c

   1 /*
   2  * (C) Copyright 2006
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  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,
  21  * MA 02111-1307 USA
  22  *
  23  * Port to AMCC-440SPE Evaluation Board SOP - April 2005
  24  *
  25  * PCIe supporting routines derived from Linux 440SPe PCIe driver.
  26  */
  27
  28 #include <common.h>
  29 #include <ppc4xx.h>
  30 #include <i2c.h>
  31 #include <netdev.h>
  32 #include <asm/processor.h>
  33 #include <asm/io.h>
  34 #include <asm/4xx_pcie.h>
  35
  36 #include "yucca.h"
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 void fpga_init (void);
  41
  42 #define DEBUG_ENV
  43 #ifdef DEBUG_ENV
  44 #define DEBUGF(fmt,args...) printf(fmt ,##args)
  45 #else
  46 #define DEBUGF(fmt,args...)
  47 #endif
  48
  49 #define FALSE   0
  50 #define TRUE    1
  51
  52 int board_early_init_f (void)
  53 {
  54 /*----------------------------------------------------------------------------+
  55 | Define Boot devices
  56 +----------------------------------------------------------------------------*/
  57 #define BOOT_FROM_SMALL_FLASH           0x00
  58 #define BOOT_FROM_LARGE_FLASH_OR_SRAM   0x01
  59 #define BOOT_FROM_PCI                   0x02
  60 #define BOOT_DEVICE_UNKNOWN             0x03
  61
  62 /*----------------------------------------------------------------------------+
  63 | EBC Devices Characteristics
  64 |   Peripheral Bank Access Parameters       -   EBC_BxAP
  65 |   Peripheral Bank Configuration Register  -   EBC_BxCR
  66 +----------------------------------------------------------------------------*/
  67
  68 /*
  69  * Small Flash and FRAM
  70  * BU Value
  71  * BxAP : 0x03800000  - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000
  72  * B0CR : 0xff098000  - BAS = ff0 - 100 11 00 0000000000000
  73  * B2CR : 0xe7098000  - BAS = e70 - 100 11 00 0000000000000
  74  */
  75 #define EBC_BXAP_SMALL_FLASH            EBC_BXAP_BME_DISABLED   | \
  76                                         EBC_BXAP_TWT_ENCODE(7)  | \
  77                                         EBC_BXAP_BCE_DISABLE    | \
  78                                         EBC_BXAP_BCT_2TRANS     | \
  79                                         EBC_BXAP_CSN_ENCODE(0)  | \
  80                                         EBC_BXAP_OEN_ENCODE(0)  | \
  81                                         EBC_BXAP_WBN_ENCODE(0)  | \
  82                                         EBC_BXAP_WBF_ENCODE(0)  | \
  83                                         EBC_BXAP_TH_ENCODE(0)   | \
  84                                         EBC_BXAP_RE_DISABLED    | \
  85                                         EBC_BXAP_SOR_DELAYED    | \
  86                                         EBC_BXAP_BEM_WRITEONLY  | \
  87                                         EBC_BXAP_PEN_DISABLED
  88
  89 #define EBC_BXCR_SMALL_FLASH_CS0        EBC_BXCR_BAS_ENCODE(0xFF000000) | \
  90                                         EBC_BXCR_BS_16MB                | \
  91                                         EBC_BXCR_BU_RW                  | \
  92                                         EBC_BXCR_BW_8BIT
  93
  94 #define EBC_BXCR_SMALL_FLASH_CS2        EBC_BXCR_BAS_ENCODE(0xe7000000) | \
  95                                         EBC_BXCR_BS_16MB                | \
  96                                         EBC_BXCR_BU_RW                  | \
  97                                         EBC_BXCR_BW_8BIT
  98
  99 /*
 100  * Large Flash and SRAM
 101  * BU Value
 102  * BxAP : 0x048ff240  - 0 00000111 0 00 00 00 00 00 000 0 0 0 0 00000
 103  * B0CR : 0xff09a000  - BAS = ff0 - 100 11 01 0000000000000
 104  * B2CR : 0xe709a000  - BAS = e70 - 100 11 01 0000000000000
 105 */
 106 #define EBC_BXAP_LARGE_FLASH            EBC_BXAP_BME_DISABLED   | \
 107                                         EBC_BXAP_TWT_ENCODE(7)  | \
 108                                         EBC_BXAP_BCE_DISABLE    | \
 109                                         EBC_BXAP_BCT_2TRANS     | \
 110                                         EBC_BXAP_CSN_ENCODE(0)  | \
 111                                         EBC_BXAP_OEN_ENCODE(0)  | \
 112                                         EBC_BXAP_WBN_ENCODE(0)  | \
 113                                         EBC_BXAP_WBF_ENCODE(0)  | \
 114                                         EBC_BXAP_TH_ENCODE(0)   | \
 115                                         EBC_BXAP_RE_DISABLED    | \
 116                                         EBC_BXAP_SOR_DELAYED    | \
 117                                         EBC_BXAP_BEM_WRITEONLY  | \
 118                                         EBC_BXAP_PEN_DISABLED
 119
 120 #define EBC_BXCR_LARGE_FLASH_CS0        EBC_BXCR_BAS_ENCODE(0xFF000000) | \
 121                                         EBC_BXCR_BS_16MB                | \
 122                                         EBC_BXCR_BU_RW                  | \
 123                                         EBC_BXCR_BW_16BIT
 124
 125 #define EBC_BXCR_LARGE_FLASH_CS2        EBC_BXCR_BAS_ENCODE(0xE7000000) | \
 126                                         EBC_BXCR_BS_16MB                | \
 127                                         EBC_BXCR_BU_RW                  | \
 128                                         EBC_BXCR_BW_16BIT
 129
 130 /*
 131  * FPGA
 132  * BU value :
 133  * B1AP = 0x05895240  - 0 00001011 0 00 10 01 01 01 001 0 0 1 0 00000
 134  * B1CR = 0xe201a000  - BAS = e20 - 000 11 01 00000000000000
 135  */
 136 #define EBC_BXAP_FPGA                   EBC_BXAP_BME_DISABLED   | \
 137                                         EBC_BXAP_TWT_ENCODE(11) | \
 138                                         EBC_BXAP_BCE_DISABLE    | \
 139                                         EBC_BXAP_BCT_2TRANS     | \
 140                                         EBC_BXAP_CSN_ENCODE(10) | \
 141                                         EBC_BXAP_OEN_ENCODE(1)  | \
 142                                         EBC_BXAP_WBN_ENCODE(1)  | \
 143                                         EBC_BXAP_WBF_ENCODE(1)  | \
 144                                         EBC_BXAP_TH_ENCODE(1)   | \
 145                                         EBC_BXAP_RE_DISABLED    | \
 146                                         EBC_BXAP_SOR_DELAYED    | \
 147                                         EBC_BXAP_BEM_RW         | \
 148                                         EBC_BXAP_PEN_DISABLED
 149
 150 #define EBC_BXCR_FPGA_CS1               EBC_BXCR_BAS_ENCODE(0xe2000000) | \
 151                                         EBC_BXCR_BS_1MB                 | \
 152                                         EBC_BXCR_BU_RW                  | \
 153                                         EBC_BXCR_BW_16BIT
 154
 155          unsigned long mfr;
 156         /*
 157          * Define Variables for EBC initialization depending on BOOTSTRAP option
 158          */
 159         unsigned long sdr0_pinstp, sdr0_sdstp1 ;
 160         unsigned long bootstrap_settings, ebc_data_width, boot_selection;
 161         int computed_boot_device = BOOT_DEVICE_UNKNOWN;
 162
 163         /*-------------------------------------------------------------------+
 164          | Initialize EBC CONFIG -
 165          | Keep the Default value, but the bit PDT which has to be set to 1 ?TBC
 166          | default value :
 167          |      0x07C00000 - 0 0 000 1 1 1 1 1 0000 0 00000 000000000000
 168          |
 169          +-------------------------------------------------------------------*/
 170         mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
 171                         EBC_CFG_PTD_ENABLE |
 172                         EBC_CFG_RTC_16PERCLK |
 173                         EBC_CFG_ATC_PREVIOUS |
 174                         EBC_CFG_DTC_PREVIOUS |
 175                         EBC_CFG_CTC_PREVIOUS |
 176                         EBC_CFG_OEO_PREVIOUS |
 177                         EBC_CFG_EMC_DEFAULT |
 178                         EBC_CFG_PME_DISABLE |
 179                         EBC_CFG_PR_16);
 180
 181         /*-------------------------------------------------------------------+
 182          |
 183          |  PART 1 : Initialize EBC Bank 1
 184          |  ==============================
 185          | Bank1 is always associated to the EPLD.
 186          | It has to be initialized prior to other banks settings computation
 187          | since some board registers values may be needed to determine the
 188          | boot type
 189          |
 190          +-------------------------------------------------------------------*/
 191         mtebc(pb1ap, EBC_BXAP_FPGA);
 192         mtebc(pb1cr, EBC_BXCR_FPGA_CS1);
 193
 194         /*-------------------------------------------------------------------+
 195          |
 196          |  PART 2 : Determine which boot device was selected
 197          |  =================================================
 198          |
 199          |  Read Pin Strap Register in PPC440SPe
 200          |  Result can either be :
 201          |   - Boot strap = boot from EBC 8bits     => Small Flash
 202          |   - Boot strap = boot from PCI
 203          |   - Boot strap = IIC
 204          |  In case of boot from IIC, read Serial Device Strap Register1
 205          |
 206          |  Result can either be :
 207          |   - Boot from EBC  - EBC Bus Width = 8bits    => Small Flash
 208          |   - Boot from EBC  - EBC Bus Width = 16bits   => Large Flash or SRAM
 209          |   - Boot from PCI
 210          |
 211          +-------------------------------------------------------------------*/
 212         /* Read Pin Strap Register in PPC440SP */
 213         mfsdr(SDR0_PINSTP, sdr0_pinstp);
 214         bootstrap_settings = sdr0_pinstp & SDR0_PINSTP_BOOTSTRAP_MASK;
 215
 216         switch (bootstrap_settings) {
 217                 case SDR0_PINSTP_BOOTSTRAP_SETTINGS0:
 218                         /*
 219                          * Strapping Option A
 220                          * Boot from EBC - 8 bits , Small Flash
 221                          */
 222                         computed_boot_device = BOOT_FROM_SMALL_FLASH;
 223                         break;
 224                 case SDR0_PINSTP_BOOTSTRAP_SETTINGS1:
 225                         /*
 226                          * Strappping Option B
 227                          * Boot from PCI
 228                          */
 229                         computed_boot_device = BOOT_FROM_PCI;
 230                         break;
 231                 case SDR0_PINSTP_BOOTSTRAP_IIC_50_EN:
 232                 case SDR0_PINSTP_BOOTSTRAP_IIC_54_EN:
 233                         /*
 234                          * Strapping Option C or D
 235                          * Boot Settings in IIC EEprom address 0x50 or 0x54
 236                          * Read Serial Device Strap Register1 in PPC440SPe
 237                          */
 238                         mfsdr(SDR0_SDSTP1, sdr0_sdstp1);
 239                         boot_selection = sdr0_sdstp1 & SDR0_SDSTP1_ERPN_MASK;
 240                         ebc_data_width = sdr0_sdstp1 & SDR0_SDSTP1_EBCW_MASK;
 241
 242                         switch (boot_selection) {
 243                                 case SDR0_SDSTP1_ERPN_EBC:
 244                                         switch (ebc_data_width) {
 245                                                 case SDR0_SDSTP1_EBCW_16_BITS:
 246                                                         computed_boot_device =
 247                                                                 BOOT_FROM_LARGE_FLASH_OR_SRAM;
 248                                                         break;
 249                                                 case SDR0_SDSTP1_EBCW_8_BITS :
 250                                                         computed_boot_device = BOOT_FROM_SMALL_FLASH;
 251                                                         break;
 252                                         }
 253                                         break;
 254
 255                                 case SDR0_SDSTP1_ERPN_PCI:
 256                                         computed_boot_device = BOOT_FROM_PCI;
 257                                         break;
 258                                 default:
 259                                         /* should not occure */
 260                                         computed_boot_device = BOOT_DEVICE_UNKNOWN;
 261                         }
 262                         break;
 263                 default:
 264                         /* should not be */
 265                         computed_boot_device = BOOT_DEVICE_UNKNOWN;
 266                         break;
 267         }
 268
 269         /*-------------------------------------------------------------------+
 270          |
 271          |  PART 3 : Compute EBC settings depending on selected boot device
 272          |  ======   ======================================================
 273          |
 274          | Resulting EBC init will be among following configurations :
 275          |
 276          |  - Boot from EBC 8bits => boot from Small Flash selected
 277          |            EBC-CS0     = Small Flash
 278          |            EBC-CS2     = Large Flash and SRAM
 279          |
 280          |  - Boot from EBC 16bits => boot from Large Flash or SRAM
 281          |            EBC-CS0     = Large Flash or SRAM
 282          |            EBC-CS2     = Small Flash
 283          |
 284          |  - Boot from PCI
 285          |            EBC-CS0     = not initialized to avoid address contention
 286          |            EBC-CS2     = same as boot from Small Flash selected
 287          |
 288          +-------------------------------------------------------------------*/
 289         unsigned long ebc0_cs0_bxap_value = 0, ebc0_cs0_bxcr_value = 0;
 290         unsigned long ebc0_cs2_bxap_value = 0, ebc0_cs2_bxcr_value = 0;
 291
 292         switch (computed_boot_device) {
 293                 /*-------------------------------------------------------------------*/
 294                 case BOOT_FROM_PCI:
 295                 /*-------------------------------------------------------------------*/
 296                         /*
 297                          * By Default CS2 is affected to LARGE Flash
 298                          * do not initialize SMALL FLASH to avoid address contention
 299                          * Large Flash
 300                          */
 301                         ebc0_cs2_bxap_value = EBC_BXAP_LARGE_FLASH;
 302                         ebc0_cs2_bxcr_value = EBC_BXCR_LARGE_FLASH_CS2;
 303                         break;
 304
 305                 /*-------------------------------------------------------------------*/
 306                 case BOOT_FROM_SMALL_FLASH:
 307                 /*-------------------------------------------------------------------*/
 308                         ebc0_cs0_bxap_value = EBC_BXAP_SMALL_FLASH;
 309                         ebc0_cs0_bxcr_value = EBC_BXCR_SMALL_FLASH_CS0;
 310
 311                         /*
 312                          * Large Flash or SRAM
 313                          */
 314                         /* ebc0_cs2_bxap_value = EBC_BXAP_LARGE_FLASH; */
 315                         ebc0_cs2_bxap_value = 0x048ff240;
 316                         ebc0_cs2_bxcr_value = EBC_BXCR_LARGE_FLASH_CS2;
 317                         break;
 318
 319                 /*-------------------------------------------------------------------*/
 320                 case BOOT_FROM_LARGE_FLASH_OR_SRAM:
 321                 /*-------------------------------------------------------------------*/
 322                         ebc0_cs0_bxap_value = EBC_BXAP_LARGE_FLASH;
 323                         ebc0_cs0_bxcr_value = EBC_BXCR_LARGE_FLASH_CS0;
 324
 325                         /* Small flash */
 326                         ebc0_cs2_bxap_value = EBC_BXAP_SMALL_FLASH;
 327                         ebc0_cs2_bxcr_value = EBC_BXCR_SMALL_FLASH_CS2;
 328                         break;
 329
 330                 /*-------------------------------------------------------------------*/
 331                 default:
 332                 /*-------------------------------------------------------------------*/
 333                         /* BOOT_DEVICE_UNKNOWN */
 334                         break;
 335         }
 336
 337         mtebc(pb0ap, ebc0_cs0_bxap_value);
 338         mtebc(pb0cr, ebc0_cs0_bxcr_value);
 339         mtebc(pb2ap, ebc0_cs2_bxap_value);
 340         mtebc(pb2cr, ebc0_cs2_bxcr_value);
 341
 342         /*--------------------------------------------------------------------+
 343          | Interrupt controller setup for the AMCC 440SPe Evaluation board.
 344          +--------------------------------------------------------------------+
 345         +---------------------------------------------------------------------+
 346         |Interrupt| Source                            | Pol.  | Sensi.| Crit. |
 347         +---------+-----------------------------------+-------+-------+-------+
 348         | IRQ 00  | UART0                             | High  | Level | Non   |
 349         | IRQ 01  | UART1                             | High  | Level | Non   |
 350         | IRQ 02  | IIC0                              | High  | Level | Non   |
 351         | IRQ 03  | IIC1                              | High  | Level | Non   |
 352         | IRQ 04  | PCI0X0 MSG IN                     | High  | Level | Non   |
 353         | IRQ 05  | PCI0X0 CMD Write                  | High  | Level | Non   |
 354         | IRQ 06  | PCI0X0 Power Mgt                  | High  | Level | Non   |
 355         | IRQ 07  | PCI0X0 VPD Access                 | Rising| Edge  | Non   |
 356         | IRQ 08  | PCI0X0 MSI level 0                | High  | Lvl/ed| Non   |
 357         | IRQ 09  | External IRQ 15 - (PCI-Express)   | pgm H | Pgm   | Non   |
 358         | IRQ 10  | UIC2 Non-critical Int.            | NA    | NA    | Non   |
 359         | IRQ 11  | UIC2 Critical Interrupt           | NA    | NA    | Crit  |
 360         | IRQ 12  | PCI Express MSI Level 0           | Rising| Edge  | Non   |
 361         | IRQ 13  | PCI Express MSI Level 1           | Rising| Edge  | Non   |
 362         | IRQ 14  | PCI Express MSI Level 2           | Rising| Edge  | Non   |
 363         | IRQ 15  | PCI Express MSI Level 3           | Rising| Edge  | Non   |
 364         | IRQ 16  | UIC3 Non-critical Int.            | NA    | NA    | Non   |
 365         | IRQ 17  | UIC3 Critical Interrupt           | NA    | NA    | Crit  |
 366         | IRQ 18  | External IRQ 14 - (PCI-Express)   | Pgm   | Pgm   | Non   |
 367         | IRQ 19  | DMA Channel 0 FIFO Full           | High  | Level | Non   |
 368         | IRQ 20  | DMA Channel 0 Stat FIFO           | High  | Level | Non   |
 369         | IRQ 21  | DMA Channel 1 FIFO Full           | High  | Level | Non   |
 370         | IRQ 22  | DMA Channel 1 Stat FIFO           | High  | Level | Non   |
 371         | IRQ 23  | I2O Inbound Doorbell              | High  | Level | Non   |
 372         | IRQ 24  | Inbound Post List FIFO Not Empt   | High  | Level | Non   |
 373         | IRQ 25  | I2O Region 0 LL PLB Write         | High  | Level | Non   |
 374         | IRQ 26  | I2O Region 1 LL PLB Write         | High  | Level | Non   |
 375         | IRQ 27  | I2O Region 0 HB PLB Write         | High  | Level | Non   |
 376         | IRQ 28  | I2O Region 1 HB PLB Write         | High  | Level | Non   |
 377         | IRQ 29  | GPT Down Count Timer              | Rising| Edge  | Non   |
 378         | IRQ 30  | UIC1 Non-critical Int.            | NA    | NA    | Non   |
 379         | IRQ 31  | UIC1 Critical Interrupt           | NA    | NA    | Crit. |
 380         |----------------------------------------------------------------------
 381         | IRQ 32  | Ext. IRQ 13 - (PCI-Express)       |pgm (H)|pgm/Lvl| Non   |
 382         | IRQ 33  | MAL Serr                          | High  | Level | Non   |
 383         | IRQ 34  | MAL Txde                          | High  | Level | Non   |
 384         | IRQ 35  | MAL Rxde                          | High  | Level | Non   |
 385         | IRQ 36  | DMC CE or DMC UE                  | High  | Level | Non   |
 386         | IRQ 37  | EBC or UART2                      | High  |Lvl Edg| Non   |
 387         | IRQ 38  | MAL TX EOB                        | High  | Level | Non   |
 388         | IRQ 39  | MAL RX EOB                        | High  | Level | Non   |
 389         | IRQ 40  | PCIX0 MSI Level 1                 | High  |Lvl Edg| Non   |
 390         | IRQ 41  | PCIX0 MSI level 2                 | High  |Lvl Edg| Non   |
 391         | IRQ 42  | PCIX0 MSI level 3                 | High  |Lvl Edg| Non   |
 392         | IRQ 43  | L2 Cache                          | Risin | Edge  | Non   |
 393         | IRQ 44  | GPT Compare Timer 0               | Risin | Edge  | Non   |
 394         | IRQ 45  | GPT Compare Timer 1               | Risin | Edge  | Non   |
 395         | IRQ 46  | GPT Compare Timer 2               | Risin | Edge  | Non   |
 396         | IRQ 47  | GPT Compare Timer 3               | Risin | Edge  | Non   |
 397         | IRQ 48  | GPT Compare Timer 4               | Risin | Edge  | Non   |
 398         | IRQ 49  | Ext. IRQ 12 - PCI-X               |pgm/Fal|pgm/Lvl| Non   |
 399         | IRQ 50  | Ext. IRQ 11 -                     |pgm (H)|pgm/Lvl| Non   |
 400         | IRQ 51  | Ext. IRQ 10 -                     |pgm (H)|pgm/Lvl| Non   |
 401         | IRQ 52  | Ext. IRQ 9                        |pgm (H)|pgm/Lvl| Non   |
 402         | IRQ 53  | Ext. IRQ 8                        |pgm (H)|pgm/Lvl| Non   |
 403         | IRQ 54  | DMA Error                         | High  | Level | Non   |
 404         | IRQ 55  | DMA I2O Error                     | High  | Level | Non   |
 405         | IRQ 56  | Serial ROM                        | High  | Level | Non   |
 406         | IRQ 57  | PCIX0 Error                       | High  | Edge  | Non   |
 407         | IRQ 58  | Ext. IRQ 7-                       |pgm (H)|pgm/Lvl| Non   |
 408         | IRQ 59  | Ext. IRQ 6-                       |pgm (H)|pgm/Lvl| Non   |
 409         | IRQ 60  | EMAC0 Interrupt                   | High  | Level | Non   |
 410         | IRQ 61  | EMAC0 Wake-up                     | High  | Level | Non   |
 411         | IRQ 62  | Reserved                          | High  | Level | Non   |
 412         | IRQ 63  | XOR                               | High  | Level | Non   |
 413         |----------------------------------------------------------------------
 414         | IRQ 64  | PE0 AL                            | High  | Level | Non   |
 415         | IRQ 65  | PE0 VPD Access                    | Risin | Edge  | Non   |
 416         | IRQ 66  | PE0 Hot Reset Request             | Risin | Edge  | Non   |
 417         | IRQ 67  | PE0 Hot Reset Request             | Falli | Edge  | Non   |
 418         | IRQ 68  | PE0 TCR                           | High  | Level | Non   |
 419         | IRQ 69  | PE0 BusMaster VCO                 | Falli | Edge  | Non   |
 420         | IRQ 70  | PE0 DCR Error                     | High  | Level | Non   |
 421         | IRQ 71  | Reserved                          | N/A   | N/A   | Non   |
 422         | IRQ 72  | PE1 AL                            | High  | Level | Non   |
 423         | IRQ 73  | PE1 VPD Access                    | Risin | Edge  | Non   |
 424         | IRQ 74  | PE1 Hot Reset Request             | Risin | Edge  | Non   |
 425         | IRQ 75  | PE1 Hot Reset Request             | Falli | Edge  | Non   |
 426         | IRQ 76  | PE1 TCR                           | High  | Level | Non   |
 427         | IRQ 77  | PE1 BusMaster VCO                 | Falli | Edge  | Non   |
 428         | IRQ 78  | PE1 DCR Error                     | High  | Level | Non   |
 429         | IRQ 79  | Reserved                          | N/A   | N/A   | Non   |
 430         | IRQ 80  | PE2 AL                            | High  | Level | Non   |
 431         | IRQ 81  | PE2 VPD Access                    | Risin | Edge  | Non   |
 432         | IRQ 82  | PE2 Hot Reset Request             | Risin | Edge  | Non   |
 433         | IRQ 83  | PE2 Hot Reset Request             | Falli | Edge  | Non   |
 434         | IRQ 84  | PE2 TCR                           | High  | Level | Non   |
 435         | IRQ 85  | PE2 BusMaster VCO                 | Falli | Edge  | Non   |
 436         | IRQ 86  | PE2 DCR Error                     | High  | Level | Non   |
 437         | IRQ 87  | Reserved                          | N/A   | N/A   | Non   |
 438         | IRQ 88  | External IRQ(5)                   | Progr | Progr | Non   |
 439         | IRQ 89  | External IRQ 4 - Ethernet         | Progr | Progr | Non   |
 440         | IRQ 90  | External IRQ 3 - PCI-X            | Progr | Progr | Non   |
 441         | IRQ 91  | External IRQ 2 - PCI-X            | Progr | Progr | Non   |
 442         | IRQ 92  | External IRQ 1 - PCI-X            | Progr | Progr | Non   |
 443         | IRQ 93  | External IRQ 0 - PCI-X            | Progr | Progr | Non   |
 444         | IRQ 94  | Reserved                          | N/A   | N/A   | Non   |
 445         | IRQ 95  | Reserved                          | N/A   | N/A   | Non   |
 446         |---------------------------------------------------------------------
 447         | IRQ 96  | PE0 INTA                          | High  | Level | Non   |
 448         | IRQ 97  | PE0 INTB                          | High  | Level | Non   |
 449         | IRQ 98  | PE0 INTC                          | High  | Level | Non   |
 450         | IRQ 99  | PE0 INTD                          | High  | Level | Non   |
 451         | IRQ 100 | PE1 INTA                          | High  | Level | Non   |
 452         | IRQ 101 | PE1 INTB                          | High  | Level | Non   |
 453         | IRQ 102 | PE1 INTC                          | High  | Level | Non   |
 454         | IRQ 103 | PE1 INTD                          | High  | Level | Non   |
 455         | IRQ 104 | PE2 INTA                          | High  | Level | Non   |
 456         | IRQ 105 | PE2 INTB                          | High  | Level | Non   |
 457         | IRQ 106 | PE2 INTC                          | High  | Level | Non   |
 458         | IRQ 107 | PE2 INTD                          | Risin | Edge  | Non   |
 459         | IRQ 108 | PCI Express MSI Level 4           | Risin | Edge  | Non   |
 460         | IRQ 109 | PCI Express MSI Level 5           | Risin | Edge  | Non   |
 461         | IRQ 110 | PCI Express MSI Level 6           | Risin | Edge  | Non   |
 462         | IRQ 111 | PCI Express MSI Level 7           | Risin | Edge  | Non   |
 463         | IRQ 116 | PCI Express MSI Level 12          | Risin | Edge  | Non   |
 464         | IRQ 112 | PCI Express MSI Level 8           | Risin | Edge  | Non   |
 465         | IRQ 113 | PCI Express MSI Level 9           | Risin | Edge  | Non   |
 466         | IRQ 114 | PCI Express MSI Level 10          | Risin | Edge  | Non   |
 467         | IRQ 115 | PCI Express MSI Level 11          | Risin | Edge  | Non   |
 468         | IRQ 117 | PCI Express MSI Level 13          | Risin | Edge  | Non   |
 469         | IRQ 118 | PCI Express MSI Level 14          | Risin | Edge  | Non   |
 470         | IRQ 119 | PCI Express MSI Level 15          | Risin | Edge  | Non   |
 471         | IRQ 120 | PCI Express MSI Level 16          | Risin | Edge  | Non   |
 472         | IRQ 121 | PCI Express MSI Level 17          | Risin | Edge  | Non   |
 473         | IRQ 122 | PCI Express MSI Level 18          | Risin | Edge  | Non   |
 474         | IRQ 123 | PCI Express MSI Level 19          | Risin | Edge  | Non   |
 475         | IRQ 124 | PCI Express MSI Level 20          | Risin | Edge  | Non   |
 476         | IRQ 125 | PCI Express MSI Level 21          | Risin | Edge  | Non   |
 477         | IRQ 126 | PCI Express MSI Level 22          | Risin | Edge  | Non   |
 478         | IRQ 127 | PCI Express MSI Level 23          | Risin | Edge  | Non   |
 479         +---------+-----------------------------------+-------+-------+------*/
 480         /*--------------------------------------------------------------------+
 481          | Put UICs in PowerPC440SPemode.
 482          | Initialise UIC registers.  Clear all interrupts.  Disable all
 483          | interrupts.
 484          | Set critical interrupt values.  Set interrupt polarities.  Set
 485          | interrupt trigger levels.  Make bit 0 High  priority.  Clear all
 486          | interrupts again.
 487          +-------------------------------------------------------------------*/
 488         mtdcr (uic3sr, 0xffffffff);     /* Clear all interrupts */
 489         mtdcr (uic3er, 0x00000000);     /* disable all interrupts */
 490         mtdcr (uic3cr, 0x00000000);     /* Set Critical / Non Critical
 491                                          * interrupts */
 492         mtdcr (uic3pr, 0xffffffff);     /* Set Interrupt Polarities */
 493         mtdcr (uic3tr, 0x001fffff);     /* Set Interrupt Trigger Levels */
 494         mtdcr (uic3vr, 0x00000001);     /* Set Vect base=0,INT31 Highest
 495                                          * priority */
 496         mtdcr (uic3sr, 0x00000000);     /* clear all  interrupts */
 497         mtdcr (uic3sr, 0xffffffff);     /* clear all  interrupts */
 498
 499         mtdcr (uic2sr, 0xffffffff);     /* Clear all interrupts */
 500         mtdcr (uic2er, 0x00000000);     /* disable all interrupts */
 501         mtdcr (uic2cr, 0x00000000);     /* Set Critical / Non Critical
 502                                          * interrupts */
 503         mtdcr (uic2pr, 0xebebebff);     /* Set Interrupt Polarities */
 504         mtdcr (uic2tr, 0x74747400);     /* Set Interrupt Trigger Levels */
 505         mtdcr (uic2vr, 0x00000001);     /* Set Vect base=0,INT31 Highest
 506                                          * priority */
 507         mtdcr (uic2sr, 0x00000000);     /* clear all interrupts */
 508         mtdcr (uic2sr, 0xffffffff);     /* clear all interrupts */
 509
 510         mtdcr (uic1sr, 0xffffffff);     /* Clear all interrupts */
 511         mtdcr (uic1er, 0x00000000);     /* disable all interrupts */
 512         mtdcr (uic1cr, 0x00000000);     /* Set Critical / Non Critical
 513                                          * interrupts */
 514         mtdcr (uic1pr, 0xffffffff);     /* Set Interrupt Polarities */
 515         mtdcr (uic1tr, 0x001f8040);     /* Set Interrupt Trigger Levels */
 516         mtdcr (uic1vr, 0x00000001);     /* Set Vect base=0,INT31 Highest
 517                                          * priority */
 518         mtdcr (uic1sr, 0x00000000);     /* clear all interrupts */
 519         mtdcr (uic1sr, 0xffffffff);     /* clear all interrupts */
 520
 521         mtdcr (uic0sr, 0xffffffff);     /* Clear all interrupts */
 522         mtdcr (uic0er, 0x00000000);     /* disable all interrupts excepted
 523                                          * cascade to be checked */
 524         mtdcr (uic0cr, 0x00104001);     /* Set Critical / Non Critical
 525                                          * interrupts */
 526         mtdcr (uic0pr, 0xffffffff);     /* Set Interrupt Polarities */
 527         mtdcr (uic0tr, 0x010f0004);     /* Set Interrupt Trigger Levels */
 528         mtdcr (uic0vr, 0x00000001);     /* Set Vect base=0,INT31 Highest
 529                                          * priority */
 530         mtdcr (uic0sr, 0x00000000);     /* clear all interrupts */
 531         mtdcr (uic0sr, 0xffffffff);     /* clear all interrupts */
 532
 533         mfsdr(sdr_mfr, mfr);
 534         mfr |= SDR0_MFR_FIXD;           /* Workaround for PCI/DMA */
 535         mtsdr(sdr_mfr, mfr);
 536
 537         fpga_init();
 538
 539         return 0;
 540 }
 541
 542 int checkboard (void)
 543 {
 544         char *s = getenv("serial#");
 545
 546         printf("Board: Yucca - AMCC 440SPe Evaluation Board");
 547         if (s != NULL) {
 548                 puts(", serial# ");
 549                 puts(s);
 550         }
 551         putc('\n');
 552
 553         return 0;
 554 }
 555
 556 /*
 557  * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
 558  * board specific values.
 559  */
 560 static int ppc440spe_rev_a(void)
 561 {
 562         if ((get_pvr() == PVR_440SPe_6_RA) || (get_pvr() == PVR_440SPe_RA))
 563                 return 1;
 564         else
 565                 return 0;
 566 }
 567
 568 u32 ddr_wrdtr(u32 default_val) {
 569         /*
 570          * Yucca boards with 440SPe rev. A need a slightly different setup
 571          * for the MCIF0_WRDTR register.
 572          */
 573         if (ppc440spe_rev_a())
 574                 return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_270_DEG_ADV);
 575
 576         return default_val;
 577 }
 578
 579 u32 ddr_clktr(u32 default_val) {
 580         /*
 581          * Yucca boards with 440SPe rev. A need a slightly different setup
 582          * for the MCIF0_CLKTR register.
 583          */
 584         if (ppc440spe_rev_a())
 585                 return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
 586
 587         return default_val;
 588 }
 589
 590 /*************************************************************************
 591  *  pci_pre_init
 592  *
 593  *  This routine is called just prior to registering the hose and gives
 594  *  the board the opportunity to check things. Returning a value of zero
 595  *  indicates that things are bad & PCI initialization should be aborted.
 596  *
 597  *      Different boards may wish to customize the pci controller structure
 598  *      (add regions, override default access routines, etc) or perform
 599  *      certain pre-initialization actions.
 600  *
 601  ************************************************************************/
 602 #if defined(CONFIG_PCI)
 603 int pci_pre_init(struct pci_controller * hose )
 604 {
 605         unsigned long strap;
 606
 607         /*-------------------------------------------------------------------+
 608          *      The yucca board is always configured as the host & requires the
 609          *      PCI arbiter to be enabled.
 610          *-------------------------------------------------------------------*/
 611         mfsdr(sdr_sdstp1, strap);
 612         if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
 613                 printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
 614                 return 0;
 615         }
 616
 617         return 1;
 618 }
 619 #endif  /* defined(CONFIG_PCI) */
 620
 621 /*************************************************************************
 622  *  pci_target_init
 623  *
 624  *      The bootstrap configuration provides default settings for the pci
 625  *      inbound map (PIM). But the bootstrap config choices are limited and
 626  *      may not be sufficient for a given board.
 627  *
 628  ************************************************************************/
 629 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
 630 void pci_target_init(struct pci_controller * hose )
 631 {
 632         /*-------------------------------------------------------------------+
 633          * Disable everything
 634          *-------------------------------------------------------------------*/
 635         out32r( PCIX0_PIM0SA, 0 ); /* disable */
 636         out32r( PCIX0_PIM1SA, 0 ); /* disable */
 637         out32r( PCIX0_PIM2SA, 0 ); /* disable */
 638         out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
 639
 640         /*-------------------------------------------------------------------+
 641          * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
 642          * strapping options to not support sizes such as 128/256 MB.
 643          *-------------------------------------------------------------------*/
 644         out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE );
 645         out32r( PCIX0_PIM0LAH, 0 );
 646         out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
 647         out32r( PCIX0_BAR0, 0 );
 648
 649         /*-------------------------------------------------------------------+
 650          * Program the board's subsystem id/vendor id
 651          *-------------------------------------------------------------------*/
 652         out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
 653         out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID );
 654
 655         out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
 656 }
 657 #endif  /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
 658
 659 #if defined(CONFIG_PCI)
 660 /*************************************************************************
 661  *  is_pci_host
 662  *
 663  *      This routine is called to determine if a pci scan should be
 664  *      performed. With various hardware environments (especially cPCI and
 665  *      PPMC) it's insufficient to depend on the state of the arbiter enable
 666  *      bit in the strap register, or generic host/adapter assumptions.
 667  *
 668  *      Rather than hard-code a bad assumption in the general 440 code, the
 669  *      440 pci code requires the board to decide at runtime.
 670  *
 671  *      Return 0 for adapter mode, non-zero for host (monarch) mode.
 672  *
 673  *
 674  ************************************************************************/
 675 int is_pci_host(struct pci_controller *hose)
 676 {
 677         /* The yucca board is always configured as host. */
 678         return 1;
 679 }
 680
 681 static int yucca_pcie_card_present(int port)
 682 {
 683         u16 reg;
 684
 685         reg = in_be16((u16 *)FPGA_REG1C);
 686         switch(port) {
 687         case 0:
 688                 return !(reg & FPGA_REG1C_PE0_PRSNT);
 689         case 1:
 690                 return !(reg & FPGA_REG1C_PE1_PRSNT);
 691         case 2:
 692                 return !(reg & FPGA_REG1C_PE2_PRSNT);
 693         default:
 694                 return 0;
 695         }
 696 }
 697
 698 /*
 699  * For the given slot, set rootpoint mode, send power to the slot,
 700  * turn on the green LED and turn off the yellow LED, enable the clock
 701  * and turn off reset.
 702  */
 703 void yucca_setup_pcie_fpga_rootpoint(int port)
 704 {
 705         u16 power, clock, green_led, yellow_led, reset_off, rootpoint, endpoint;
 706
 707         switch(port) {
 708         case 0:
 709                 rootpoint   = FPGA_REG1C_PE0_ROOTPOINT;
 710                 endpoint    = 0;
 711                 power       = FPGA_REG1A_PE0_PWRON;
 712                 green_led   = FPGA_REG1A_PE0_GLED;
 713                 clock       = FPGA_REG1A_PE0_REFCLK_ENABLE;
 714                 yellow_led  = FPGA_REG1A_PE0_YLED;
 715                 reset_off   = FPGA_REG1C_PE0_PERST;
 716                 break;
 717         case 1:
 718                 rootpoint   = 0;
 719                 endpoint    = FPGA_REG1C_PE1_ENDPOINT;
 720                 power       = FPGA_REG1A_PE1_PWRON;
 721                 green_led   = FPGA_REG1A_PE1_GLED;
 722                 clock       = FPGA_REG1A_PE1_REFCLK_ENABLE;
 723                 yellow_led  = FPGA_REG1A_PE1_YLED;
 724                 reset_off   = FPGA_REG1C_PE1_PERST;
 725                 break;
 726         case 2:
 727                 rootpoint   = 0;
 728                 endpoint    = FPGA_REG1C_PE2_ENDPOINT;
 729                 power       = FPGA_REG1A_PE2_PWRON;
 730                 green_led   = FPGA_REG1A_PE2_GLED;
 731                 clock       = FPGA_REG1A_PE2_REFCLK_ENABLE;
 732                 yellow_led  = FPGA_REG1A_PE2_YLED;
 733                 reset_off   = FPGA_REG1C_PE2_PERST;
 734                 break;
 735
 736         default:
 737                 return;
 738         }
 739
 740         out_be16((u16 *)FPGA_REG1A,
 741                  ~(power | clock | green_led) &
 742                  (yellow_led | in_be16((u16 *)FPGA_REG1A)));
 743
 744         out_be16((u16 *)FPGA_REG1C,
 745                  ~(endpoint | reset_off) &
 746                  (rootpoint | in_be16((u16 *)FPGA_REG1C)));
 747         /*
 748          * Leave device in reset for a while after powering on the
 749          * slot to give it a chance to initialize.
 750          */
 751         udelay(250 * 1000);
 752
 753         out_be16((u16 *)FPGA_REG1C, reset_off | in_be16((u16 *)FPGA_REG1C));
 754 }
 755 /*
 756  * For the given slot, set endpoint mode, send power to the slot,
 757  * turn on the green LED and turn off the yellow LED, enable the clock
 758  * .In end point mode reset bit is  read only.
 759  */
 760 void yucca_setup_pcie_fpga_endpoint(int port)
 761 {
 762         u16 power, clock, green_led, yellow_led, reset_off, rootpoint, endpoint;
 763
 764         switch(port) {
 765         case 0:
 766                 rootpoint   = FPGA_REG1C_PE0_ROOTPOINT;
 767                 endpoint    = 0;
 768                 power       = FPGA_REG1A_PE0_PWRON;
 769                 green_led   = FPGA_REG1A_PE0_GLED;
 770                 clock       = FPGA_REG1A_PE0_REFCLK_ENABLE;
 771                 yellow_led  = FPGA_REG1A_PE0_YLED;
 772                 reset_off   = FPGA_REG1C_PE0_PERST;
 773                 break;
 774         case 1:
 775                 rootpoint   = 0;
 776                 endpoint    = FPGA_REG1C_PE1_ENDPOINT;
 777                 power       = FPGA_REG1A_PE1_PWRON;
 778                 green_led   = FPGA_REG1A_PE1_GLED;
 779                 clock       = FPGA_REG1A_PE1_REFCLK_ENABLE;
 780                 yellow_led  = FPGA_REG1A_PE1_YLED;
 781                 reset_off   = FPGA_REG1C_PE1_PERST;
 782                 break;
 783         case 2:
 784                 rootpoint   = 0;
 785                 endpoint    = FPGA_REG1C_PE2_ENDPOINT;
 786                 power       = FPGA_REG1A_PE2_PWRON;
 787                 green_led   = FPGA_REG1A_PE2_GLED;
 788                 clock       = FPGA_REG1A_PE2_REFCLK_ENABLE;
 789                 yellow_led  = FPGA_REG1A_PE2_YLED;
 790                 reset_off   = FPGA_REG1C_PE2_PERST;
 791                 break;
 792
 793         default:
 794                 return;
 795         }
 796
 797         out_be16((u16 *)FPGA_REG1A,
 798                  ~(power | clock | green_led) &
 799                  (yellow_led | in_be16((u16 *)FPGA_REG1A)));
 800
 801         out_be16((u16 *)FPGA_REG1C,
 802                  ~(rootpoint | reset_off) &
 803                  (endpoint | in_be16((u16 *)FPGA_REG1C)));
 804 }
 805
 806 static struct pci_controller pcie_hose[3] = {{0},{0},{0}};
 807
 808 void pcie_setup_hoses(int busno)
 809 {
 810         struct pci_controller *hose;
 811         int i, bus;
 812         int ret = 0;
 813         char *env;
 814         unsigned int delay;
 815
 816         /*
 817          * assume we're called after the PCIX hose is initialized, which takes
 818          * bus ID 0 and therefore start numbering PCIe's from 1.
 819          */
 820         bus = busno;
 821         for (i = 0; i <= 2; i++) {
 822                 /* Check for yucca card presence */
 823                 if (!yucca_pcie_card_present(i))
 824                         continue;
 825
 826                 if (is_end_point(i)) {
 827                         yucca_setup_pcie_fpga_endpoint(i);
 828                         ret = ppc4xx_init_pcie_endport(i);
 829                 } else {
 830                         yucca_setup_pcie_fpga_rootpoint(i);
 831                         ret = ppc4xx_init_pcie_rootport(i);
 832                 }
 833                 if (ret) {
 834                         printf("PCIE%d: initialization as %s failed\n", i,
 835                                is_end_point(i) ? "endpoint" : "root-complex");
 836                         continue;
 837                 }
 838
 839                 hose = &pcie_hose[i];
 840                 hose->first_busno = bus;
 841                 hose->last_busno = bus;
 842                 hose->current_busno = bus;
 843
 844                 /* setup mem resource */
 845                 pci_set_region(hose->regions + 0,
 846                         CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
 847                         CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
 848                         CONFIG_SYS_PCIE_MEMSIZE,
 849                         PCI_REGION_MEM);
 850                 hose->region_count = 1;
 851                 pci_register_hose(hose);
 852
 853                 if (is_end_point(i)) {
 854                         ppc4xx_setup_pcie_endpoint(hose, i);
 855                         /*
 856                          * Reson for no scanning is endpoint can not generate
 857                          * upstream configuration accesses.
 858                          */
 859                 } else {
 860                         ppc4xx_setup_pcie_rootpoint(hose, i);
 861                         env = getenv("pciscandelay");
 862                         if (env != NULL) {
 863                                 delay = simple_strtoul(env, NULL, 10);
 864                                 if (delay > 5)
 865                                         printf("Warning, expect noticable delay before "
 866                                                "PCIe scan due to 'pciscandelay' value!\n");
 867                                 mdelay(delay * 1000);
 868                         }
 869
 870                         /*
 871                          * Config access can only go down stream
 872                          */
 873                         hose->last_busno = pci_hose_scan(hose);
 874                         bus = hose->last_busno + 1;
 875                 }
 876         }
 877 }
 878 #endif  /* defined(CONFIG_PCI) */
 879
 880 int misc_init_f (void)
 881 {
 882         uint reg;
 883
 884         out16(FPGA_REG10, (in16(FPGA_REG10) &
 885                         ~(FPGA_REG10_AUTO_NEG_DIS|FPGA_REG10_RESET_ETH)) |
 886                                 FPGA_REG10_10MHZ_ENABLE |
 887                                 FPGA_REG10_100MHZ_ENABLE |
 888                                 FPGA_REG10_GIGABIT_ENABLE |
 889                                 FPGA_REG10_FULL_DUPLEX );
 890
 891         udelay(10000);  /* wait 10ms */
 892
 893         out16(FPGA_REG10, (in16(FPGA_REG10) | FPGA_REG10_RESET_ETH));
 894
 895         /* minimal init for PCIe */
 896         /* pci express 0 Endpoint Mode */
 897         mfsdr(SDRN_PESDR_DLPSET(0), reg);
 898         reg &= (~0x00400000);
 899         mtsdr(SDRN_PESDR_DLPSET(0), reg);
 900         /* pci express 1 Rootpoint  Mode */
 901         mfsdr(SDRN_PESDR_DLPSET(1), reg);
 902         reg |= 0x00400000;
 903         mtsdr(SDRN_PESDR_DLPSET(1), reg);
 904         /* pci express 2 Rootpoint  Mode */
 905         mfsdr(SDRN_PESDR_DLPSET(2), reg);
 906         reg |= 0x00400000;
 907         mtsdr(SDRN_PESDR_DLPSET(2), reg);
 908
 909         out16(FPGA_REG1C,(in16 (FPGA_REG1C) &
 910                                 ~FPGA_REG1C_PE0_ROOTPOINT &
 911                                 ~FPGA_REG1C_PE1_ENDPOINT  &
 912                                 ~FPGA_REG1C_PE2_ENDPOINT));
 913
 914         return 0;
 915 }
 916
 917 void fpga_init(void)
 918 {
 919         /*
 920          * by default sdram access is disabled by fpga
 921          */
 922         out16(FPGA_REG10, (in16 (FPGA_REG10) |
 923                                 FPGA_REG10_SDRAM_ENABLE |
 924                                 FPGA_REG10_ENABLE_DISPLAY ));
 925
 926         return;
 927 }
 928
 929 #ifdef CONFIG_POST
 930 /*
 931  * Returns 1 if keys pressed to start the power-on long-running tests
 932  * Called from board_init_f().
 933  */
 934 int post_hotkeys_pressed(void)
 935 {
 936         return (ctrlc());
 937 }
 938 #endif
 939
 940 /*---------------------------------------------------------------------------+
 941  | onboard_pci_arbiter_selected => from EPLD
 942  +---------------------------------------------------------------------------*/
 943 int onboard_pci_arbiter_selected(int core_pci)
 944 {
 945 #if 0
 946         unsigned long onboard_pci_arbiter_sel;
 947
 948         onboard_pci_arbiter_sel = in16(FPGA_REG0) & FPGA_REG0_EXT_ARB_SEL_MASK;
 949
 950         if (onboard_pci_arbiter_sel == FPGA_REG0_EXT_ARB_SEL_EXTERNAL)
 951                 return (BOARD_OPTION_SELECTED);
 952         else
 953 #endif
 954         return (BOARD_OPTION_NOT_SELECTED);
 955 }
 956
 957 int board_eth_init(bd_t *bis)
 958 {
 959         cpu_eth_init(bis);
 960         return pci_eth_init(bis);
 961 }