projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6c5879f3 MB |
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 | |
| 692519b1 RJ |
24 | * |
| 25 | * PCIe supporting routines derived from Linux 440SPe PCIe driver. | |
| 6c5879f3 MB |
26 | */ |
| 27 | ||
| 28 | #include <common.h> | |
| 29 | #include <ppc4xx.h> | |
| 6c5879f3 | 30 | #include <i2c.h> |
| 10efa024 | 31 | #include <netdev.h> |
| c7c6da23 SR |
32 | #include <asm/processor.h> |
| 33 | #include <asm/io.h> | |
| 34 | #include <asm/4xx_pcie.h> | |
| 692519b1 | 35 | |
| 6c5879f3 | 36 | #include "yucca.h" |
| 2b393b0f | 37 | |
| 1218abf1 WD |
38 | DECLARE_GLOBAL_DATA_PTR; |
| 39 | ||
| 6c5879f3 | 40 | void fpga_init (void); |
| 6c5879f3 MB |
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 */ | |
| 2f5df473 | 213 | mfsdr(SDR0_PINSTP, sdr0_pinstp); |
| 6c5879f3 MB |
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 | */ | |
| 2f5df473 | 238 | mfsdr(SDR0_SDSTP1, sdr0_sdstp1); |
| 6c5879f3 MB |
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 | ||
| a27044b1 SR |
533 | mfsdr(sdr_mfr, mfr); |
| 534 | mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ | |
| 535 | mtsdr(sdr_mfr, mfr); | |
| 536 | ||
| 6c5879f3 MB |
537 | fpga_init(); |
| 538 | ||
| 539 | return 0; | |
| 540 | } | |
| 541 | ||
| 542 | int checkboard (void) | |
| 543 | { | |
| fe84b48a MB |
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 | ||
| 6c5879f3 MB |
553 | return 0; |
| 554 | } | |
| 555 | ||
| df3f1742 SR |
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 | ||
| 6c5879f3 MB |
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 | ************************************************************************/ | |
| 466fff1a | 602 | #if defined(CONFIG_PCI) |
| 6c5879f3 MB |
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 | } | |
| 466fff1a | 619 | #endif /* defined(CONFIG_PCI) */ |
| 6c5879f3 MB |
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 | ************************************************************************/ | |
| 6d0f6bcf | 629 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) |
| 6c5879f3 MB |
630 | void pci_target_init(struct pci_controller * hose ) |
| 631 | { | |
| 6c5879f3 MB |
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 | *-------------------------------------------------------------------*/ | |
| 6d0f6bcf | 644 | out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE ); |
| 6c5879f3 MB |
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 | *-------------------------------------------------------------------*/ | |
| 6d0f6bcf JCPV |
652 | out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID ); |
| 653 | out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID ); | |
| 6c5879f3 MB |
654 | |
| 655 | out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY ); | |
| 656 | } | |
| 6d0f6bcf | 657 | #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ |
| 6c5879f3 | 658 | |
| 692519b1 | 659 | #if defined(CONFIG_PCI) |
| 6c5879f3 MB |
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 | ************************************************************************/ | |
| 6c5879f3 MB |
675 | int is_pci_host(struct pci_controller *hose) |
| 676 | { | |
| 677 | /* The yucca board is always configured as host. */ | |
| 678 | return 1; | |
| 679 | } | |
| 692519b1 | 680 | |
| d9056b79 | 681 | static int yucca_pcie_card_present(int port) |
| 692519b1 RJ |
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; | |
| 53677ef1 | 711 | power = FPGA_REG1A_PE0_PWRON; |
| 692519b1 | 712 | green_led = FPGA_REG1A_PE0_GLED; |
| 53677ef1 | 713 | clock = FPGA_REG1A_PE0_REFCLK_ENABLE; |
| 692519b1 RJ |
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; | |
| 53677ef1 | 720 | power = FPGA_REG1A_PE1_PWRON; |
| 692519b1 | 721 | green_led = FPGA_REG1A_PE1_GLED; |
| 53677ef1 | 722 | clock = FPGA_REG1A_PE1_REFCLK_ENABLE; |
| 692519b1 RJ |
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; | |
| 53677ef1 | 729 | power = FPGA_REG1A_PE2_PWRON; |
| 692519b1 | 730 | green_led = FPGA_REG1A_PE2_GLED; |
| 53677ef1 | 731 | clock = FPGA_REG1A_PE2_REFCLK_ENABLE; |
| 692519b1 RJ |
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 | } | |
| 2b393b0f SR |
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; | |
| 53677ef1 | 768 | power = FPGA_REG1A_PE0_PWRON; |
| 2b393b0f | 769 | green_led = FPGA_REG1A_PE0_GLED; |
| 53677ef1 | 770 | clock = FPGA_REG1A_PE0_REFCLK_ENABLE; |
| 2b393b0f SR |
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; | |
| 53677ef1 | 777 | power = FPGA_REG1A_PE1_PWRON; |
| 2b393b0f | 778 | green_led = FPGA_REG1A_PE1_GLED; |
| 53677ef1 | 779 | clock = FPGA_REG1A_PE1_REFCLK_ENABLE; |
| 2b393b0f SR |
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; | |
| 53677ef1 | 786 | power = FPGA_REG1A_PE2_PWRON; |
| 2b393b0f | 787 | green_led = FPGA_REG1A_PE2_GLED; |
| 53677ef1 | 788 | clock = FPGA_REG1A_PE2_REFCLK_ENABLE; |
| 2b393b0f SR |
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 | ||
| 692519b1 RJ |
806 | static struct pci_controller pcie_hose[3] = {{0},{0},{0}}; |
| 807 | ||
| 7f191393 | 808 | void pcie_setup_hoses(int busno) |
| 692519b1 RJ |
809 | { |
| 810 | struct pci_controller *hose; | |
| 811 | int i, bus; | |
| d4cb2d17 | 812 | int ret = 0; |
| 6efc1fc0 GB |
813 | char *env; |
| 814 | unsigned int delay; | |
| 692519b1 RJ |
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 | */ | |
| 7f191393 | 820 | bus = busno; |
| 692519b1 RJ |
821 | for (i = 0; i <= 2; i++) { |
| 822 | /* Check for yucca card presence */ | |
| 823 | if (!yucca_pcie_card_present(i)) | |
| 824 | continue; | |
| 825 | ||
| d4cb2d17 | 826 | if (is_end_point(i)) { |
| d4cb2d17 SR |
827 | yucca_setup_pcie_fpga_endpoint(i); |
| 828 | ret = ppc4xx_init_pcie_endport(i); | |
| 829 | } else { | |
| d4cb2d17 SR |
830 | yucca_setup_pcie_fpga_rootpoint(i); |
| 831 | ret = ppc4xx_init_pcie_rootport(i); | |
| 692519b1 | 832 | } |
| d4cb2d17 | 833 | if (ret) { |
| 654f38b3 SR |
834 | printf("PCIE%d: initialization as %s failed\n", i, |
| 835 | is_end_point(i) ? "endpoint" : "root-complex"); | |
| 836 | continue; | |
| 837 | } | |
| 692519b1 RJ |
838 | |
| 839 | hose = &pcie_hose[i]; | |
| 840 | hose->first_busno = bus; | |
| 7f191393 GB |
841 | hose->last_busno = bus; |
| 842 | hose->current_busno = bus; | |
| 692519b1 RJ |
843 | |
| 844 | /* setup mem resource */ | |
| 845 | pci_set_region(hose->regions + 0, | |
| 6d0f6bcf JCPV |
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, | |
| d4cb2d17 | 849 | PCI_REGION_MEM); |
| 692519b1 RJ |
850 | hose->region_count = 1; |
| 851 | pci_register_hose(hose); | |
| 852 | ||
| d4cb2d17 SR |
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. | |
| 53677ef1 | 858 | */ |
| d4cb2d17 SR |
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) | |
| 53677ef1 | 865 | printf("Warning, expect noticable delay before " |
| d4cb2d17 SR |
866 | "PCIe scan due to 'pciscandelay' value!\n"); |
| 867 | mdelay(delay * 1000); | |
| 868 | } | |
| 6efc1fc0 | 869 | |
| d4cb2d17 SR |
870 | /* |
| 871 | * Config access can only go down stream | |
| 53677ef1 | 872 | */ |
| d4cb2d17 SR |
873 | hose->last_busno = pci_hose_scan(hose); |
| 874 | bus = hose->last_busno + 1; | |
| 875 | } | |
| 692519b1 RJ |
876 | } |
| 877 | } | |
| 6c5879f3 MB |
878 | #endif /* defined(CONFIG_PCI) */ |
| 879 | ||
| 880 | int misc_init_f (void) | |
| 881 | { | |
| 882 | uint reg; | |
| 6c5879f3 MB |
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 */ | |
| d9056b79 | 897 | mfsdr(SDRN_PESDR_DLPSET(0), reg); |
| 6c5879f3 | 898 | reg &= (~0x00400000); |
| d9056b79 | 899 | mtsdr(SDRN_PESDR_DLPSET(0), reg); |
| 6c5879f3 | 900 | /* pci express 1 Rootpoint Mode */ |
| d9056b79 | 901 | mfsdr(SDRN_PESDR_DLPSET(1), reg); |
| 6c5879f3 | 902 | reg |= 0x00400000; |
| d9056b79 | 903 | mtsdr(SDRN_PESDR_DLPSET(1), reg); |
| 6c5879f3 | 904 | /* pci express 2 Rootpoint Mode */ |
| d9056b79 | 905 | mfsdr(SDRN_PESDR_DLPSET(2), reg); |
| 6c5879f3 | 906 | reg |= 0x00400000; |
| d9056b79 | 907 | mtsdr(SDRN_PESDR_DLPSET(2), reg); |
| 6c5879f3 MB |
908 | |
| 909 | out16(FPGA_REG1C,(in16 (FPGA_REG1C) & | |
| 910 | ~FPGA_REG1C_PE0_ROOTPOINT & | |
| 911 | ~FPGA_REG1C_PE1_ENDPOINT & | |
| 912 | ~FPGA_REG1C_PE2_ENDPOINT)); | |
| 913 | ||
| 6c5879f3 MB |
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 | } | |
| 10efa024 BW |
956 | |
| 957 | int board_eth_init(bd_t *bis) | |
| 958 | { | |
| 959 | return pci_eth_init(bis); | |
| 960 | } |