include/configs/acadia.h

   1 /*
   2  * (C) Copyright 2007
   3  * Stefan Roese, DENX Software Engineering, sr@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
  24 /************************************************************************
  25  * acadia.h - configuration for AMCC Acadia (405EZ)
  26  ***********************************************************************/
  27
  28 #ifndef __CONFIG_H
  29 #define __CONFIG_H
  30
  31 /*-----------------------------------------------------------------------
  32  * High Level Configuration Options
  33  *----------------------------------------------------------------------*/
  34 #define CONFIG_ACADIA           1               /* Board is Acadia      */
  35 #define CONFIG_4xx              1               /* ... PPC4xx family    */
  36 #define CONFIG_405EZ            1               /* Specifc 405EZ support*/
  37 /* Detect Acadia PLL input clock automatically via CPLD bit             */
  38 #define CONFIG_SYS_CLK_FREQ    ((in8(CFG_CPLD_BASE + 0) == 0x0c) ? \
  39                                 66666666 : 33333000)
  40
  41 #define CONFIG_BOARD_EARLY_INIT_F 1             /* Call board_early_init_f */
  42 #define CONFIG_MISC_INIT_F      1               /* Call misc_init_f     */
  43
  44 #define CONFIG_NO_SERIAL_EEPROM
  45 /*#undef CONFIG_NO_SERIAL_EEPROM*/
  46
  47 #ifdef CONFIG_NO_SERIAL_EEPROM
  48 /*----------------------------------------------------------------------------
  49  * PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
  50  * assuming a 66MHz input clock to the 405EZ.
  51  *---------------------------------------------------------------------------*/
  52 /* #define PLLMR0_100_100_12 */
  53 #define PLLMR0_200_133_66
  54 /* #define PLLMR0_266_160_80 */
  55 /* #define PLLMR0_333_166_83 */
  56 #endif
  57
  58 /*-----------------------------------------------------------------------
  59  * Base addresses -- Note these are effective addresses where the
  60  * actual resources get mapped (not physical addresses)
  61  *----------------------------------------------------------------------*/
  62 #define CFG_MONITOR_LEN         (256 * 1024)/* Reserve 256 kB for Monitor       */
  63 #define CFG_MALLOC_LEN          (512 * 1024)/* Reserve 512 kB for malloc()      */
  64
  65 #define CFG_SDRAM_BASE          0x00000000
  66 #define CFG_FLASH_BASE          0xfe000000
  67 #define CFG_MONITOR_BASE        TEXT_BASE
  68 #define CFG_CPLD_BASE           0x80000000
  69 #define CFG_NAND_ADDR           0xd0000000
  70 #define CFG_USB_HOST            0xef603000      /* USB OHCI 1.1 controller      */
  71
  72 /*-----------------------------------------------------------------------
  73  * Initial RAM & stack pointer
  74  *----------------------------------------------------------------------*/
  75 #define CFG_TEMP_STACK_OCM      1               /* OCM as init ram      */
  76
  77 /* On Chip Memory location */
  78 #define CFG_OCM_DATA_ADDR       0xf8000000
  79 #define CFG_OCM_DATA_SIZE       0x4000                  /* 16K of onchip SRAM           */
  80 #define CFG_INIT_RAM_ADDR       CFG_OCM_DATA_ADDR       /* inside of SRAM               */
  81 #define CFG_INIT_RAM_END        CFG_OCM_DATA_SIZE       /* End of used area in RAM      */
  82
  83 #define CFG_GBL_DATA_SIZE       128                     /* size for initial data        */
  84 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
  85 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
  86
  87 /*-----------------------------------------------------------------------
  88  * Serial Port
  89  *----------------------------------------------------------------------*/
  90 #undef  CFG_EXT_SERIAL_CLOCK                    /* external serial clock */
  91 #define CFG_BASE_BAUD           691200
  92 #define CONFIG_BAUDRATE         115200
  93 #define CONFIG_SERIAL_MULTI     1
  94
  95 /* The following table includes the supported baudrates */
  96 #define CFG_BAUDRATE_TABLE      \
  97         {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
  98
  99 /*-----------------------------------------------------------------------
 100  * Environment
 101  *----------------------------------------------------------------------*/
 102 #if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
 103 #define CFG_ENV_IS_IN_FLASH     1       /* use FLASH for environment vars       */
 104 #else
 105 #define CFG_ENV_IS_IN_NAND      1       /* use NAND for environment vars        */
 106 #define CFG_ENV_IS_EMBEDDED     1       /* use embedded environment */
 107 #endif
 108
 109 /*-----------------------------------------------------------------------
 110  * FLASH related
 111  *----------------------------------------------------------------------*/
 112 #if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
 113 #define CFG_FLASH_CFI                   /* The flash is CFI compatible  */
 114 #define CFG_FLASH_CFI_DRIVER            /* Use common CFI driver        */
 115
 116 #define CFG_FLASH_BANKS_LIST    {CFG_FLASH_BASE}
 117 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 118 #define CFG_MAX_FLASH_SECT      512     /* max number of sectors on one chip    */
 119
 120 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 121 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 122
 123 #define CFG_FLASH_USE_BUFFER_WRITE 1    /* use buffered writes (20x faster)     */
 124 #define CFG_FLASH_EMPTY_INFO            /* print 'E' for empty sector on flinfo */
 125
 126 #define _CFG_CMD_INCLUDE        (CFG_CMD_ALL)
 127 #else
 128 #define CFG_NO_FLASH            1       /* No NOR on Acadia when NAND-booting   */
 129 #define _CFG_CMD_INCLUDE        ((CFG_CMD_ALL) & ~(CFG_CMD_FLASH | CFG_CMD_IMLS))
 130 #endif
 131
 132 #ifdef CFG_ENV_IS_IN_FLASH
 133 #define CFG_ENV_SECT_SIZE       0x40000 /* size of one complete sector  */
 134 #define CFG_ENV_ADDR            (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
 135 #define CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
 136
 137 /* Address and size of Redundant Environment Sector     */
 138 #define CFG_ENV_ADDR_REDUND     (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
 139 #define CFG_ENV_SIZE_REDUND     (CFG_ENV_SIZE)
 140 #endif
 141
 142 /*
 143  * IPL (Initial Program Loader, integrated inside CPU)
 144  * Will load first 4k from NAND (SPL) into cache and execute it from there.
 145  *
 146  * SPL (Secondary Program Loader)
 147  * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
 148  * has to fit into 4kByte. It sets up the CPU and configures the SDRAM
 149  * controller and the NAND controller so that the special U-Boot image can be
 150  * loaded from NAND to SDRAM.
 151  *
 152  * NUB (NAND U-Boot)
 153  * This NAND U-Boot (NUB) is a special U-Boot version which can be started
 154  * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
 155  *
 156  * On 440EPx the SPL is copied to SDRAM before the NAND controller is
 157  * set up. While still running from cache, I experienced problems accessing
 158  * the NAND controller. sr - 2006-08-25
 159  */
 160 #define CFG_NAND_BOOT_SPL_SRC   0xfffff000      /* SPL location                 */
 161 #define CFG_NAND_BOOT_SPL_SIZE  (4 << 10)       /* SPL size                     */
 162 #define CFG_NAND_BOOT_SPL_DST   (CFG_OCM_DATA_ADDR + (16 << 10)) /* Copy SPL here*/
 163 #define CFG_NAND_U_BOOT_DST     0x01000000      /* Load NUB to this addr        */
 164 #define CFG_NAND_U_BOOT_START   CFG_NAND_U_BOOT_DST /* Start NUB from this addr */
 165 #define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)
 166
 167 /*
 168  * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
 169  */
 170 #define CFG_NAND_U_BOOT_OFFS    (16 << 10)      /* Offset to RAM U-Boot image   */
 171 #define CFG_NAND_U_BOOT_SIZE    (384 << 10)     /* Size of RAM U-Boot image     */
 172
 173 /*
 174  * Now the NAND chip has to be defined (no autodetection used!)
 175  */
 176 #define CFG_NAND_PAGE_SIZE      512             /* NAND chip page size          */
 177 #define CFG_NAND_BLOCK_SIZE     (16 << 10)      /* NAND chip block size         */
 178 #define CFG_NAND_PAGE_COUNT     32              /* NAND chip page count         */
 179 #define CFG_NAND_BAD_BLOCK_POS  5               /* Location of bad block marker */
 180 #undef CFG_NAND_4_ADDR_CYCLE                    /* No fourth addr used (<=32MB) */
 181
 182 #define CFG_NAND_ECCSIZE        256
 183 #define CFG_NAND_ECCBYTES       3
 184 #define CFG_NAND_ECCSTEPS       (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
 185 #define CFG_NAND_OOBSIZE        16
 186 #define CFG_NAND_ECCTOTAL       (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
 187 #define CFG_NAND_ECCPOS         {0, 1, 2, 3, 6, 7}
 188
 189 #ifdef CFG_ENV_IS_IN_NAND
 190 /*
 191  * For NAND booting the environment is embedded in the U-Boot image. Please take
 192  * look at the file board/amcc/sequoia/u-boot-nand.lds for details.
 193  */
 194 #define CFG_ENV_SIZE            CFG_NAND_BLOCK_SIZE
 195 #define CFG_ENV_OFFSET          (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE)
 196 #define CFG_ENV_OFFSET_REDUND   (CFG_ENV_OFFSET + CFG_ENV_SIZE)
 197 #endif
 198
 199 /*-----------------------------------------------------------------------
 200  * RAM (CRAM)
 201  *----------------------------------------------------------------------*/
 202 #define CFG_MBYTES_RAM          64              /* 64MB                 */
 203
 204 /*-----------------------------------------------------------------------
 205  * I2C
 206  *----------------------------------------------------------------------*/
 207 #define CONFIG_HARD_I2C         1               /* I2C with hardware support    */
 208 #undef  CONFIG_SOFT_I2C                         /* I2C bit-banged               */
 209 #define CFG_I2C_SPEED           400000          /* I2C speed and slave address  */
 210 #define CFG_I2C_SLAVE           0x7F
 211
 212 #define CFG_I2C_MULTI_EEPROMS
 213 #define CFG_I2C_EEPROM_ADDR     (0xa8>>1)
 214 #define CFG_I2C_EEPROM_ADDR_LEN 1
 215 #define CFG_EEPROM_PAGE_WRITE_ENABLE
 216 #define CFG_EEPROM_PAGE_WRITE_BITS 3
 217 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
 218
 219 /* I2C SYSMON (LM75, AD7414 is almost compatible)                       */
 220 #define CONFIG_DTT_LM75         1               /* ON Semi's LM75       */
 221 #define CONFIG_DTT_AD7414       1               /* use AD7414           */
 222 #define CONFIG_DTT_SENSORS      {0}             /* Sensor addresses     */
 223 #define CFG_DTT_MAX_TEMP        70
 224 #define CFG_DTT_LOW_TEMP        -30
 225 #define CFG_DTT_HYSTERESIS      3
 226
 227 #if 0 /* test-only... */
 228 /*-----------------------------------------------------------------------
 229  * SPI stuff - Define to include SPI control
 230  *-----------------------------------------------------------------------
 231  */
 232 #define CONFIG_SPI
 233 #endif
 234
 235 /*-----------------------------------------------------------------------
 236  * Ethernet
 237  *----------------------------------------------------------------------*/
 238 #define CONFIG_MII              1       /* MII PHY management           */
 239 #define CONFIG_PHY_ADDR         0       /* PHY address                  */
 240 #define CONFIG_NET_MULTI        1
 241 #define CFG_RX_ETH_BUFFER       16      /* # of rx buffers & descriptors*/
 242
 243 #define CONFIG_NETCONSOLE               /* include NetConsole support   */
 244
 245 #define CONFIG_PREBOOT  "echo;" \
 246         "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
 247         "echo"
 248
 249 #undef  CONFIG_BOOTARGS
 250
 251 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 252         "netdev=eth0\0"                                                 \
 253         "hostname=acadia\0"                                             \
 254         "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
 255                 "nfsroot=${serverip}:${rootpath}\0"                     \
 256         "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
 257         "addip=setenv bootargs ${bootargs} "                            \
 258                 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
 259                 ":${hostname}:${netdev}:off panic=1\0"                  \
 260         "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
 261         "flash_nfs=run nfsargs addip addtty;"                           \
 262                 "bootm ${kernel_addr}\0"                                \
 263         "flash_self=run ramargs addip addtty;"                          \
 264                 "bootm ${kernel_addr} ${ramdisk_addr}\0"                \
 265         "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
 266                 "bootm\0"                                               \
 267         "rootpath=/opt/eldk/ppc_4xx\0"                          \
 268         "bootfile=acadia/uImage\0"                                      \
 269         "kernel_addr=fff10000\0"                                        \
 270         "ramdisk_addr=fff20000\0"                                       \
 271         "initrd_high=30000000\0"                                        \
 272         "load=tftp 200000 acadia/u-boot.bin\0"                          \
 273         "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"   \
 274                 "cp.b ${fileaddr} fffc0000 ${filesize};"                \
 275                 "setenv filesize;saveenv\0"                             \
 276         "upd=run load update\0"                                         \
 277         "nload=tftp 200000 acadia/u-boot-nand.bin\0"                    \
 278         "nupdate=nand erase 0 60000;nand write 200000 0 60000;"         \
 279                 "setenv filesize;saveenv\0"                             \
 280         "nupd=run nload nupdate\0"                                      \
 281         "kozio=bootm ffc60000\0"                                        \
 282         ""
 283 #define CONFIG_BOOTCOMMAND      "run flash_self"
 284
 285 #if 0
 286 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
 287 #else
 288 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
 289 #endif
 290
 291 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
 292 #define CFG_LOADS_BAUD_CHANGE   1       /* allow baudrate change        */
 293
 294 #define CONFIG_USB_OHCI
 295 #define CONFIG_USB_STORAGE
 296
 297 /* Partitions */
 298 #define CONFIG_MAC_PARTITION
 299 #define CONFIG_DOS_PARTITION
 300 #define CONFIG_ISO_PARTITION
 301
 302 #define CONFIG_SUPPORT_VFAT
 303
 304 #define CONFIG_COMMANDS ((CONFIG_CMD_DFL & _CFG_CMD_INCLUDE)    |       \
 305                          CFG_CMD_ASKENV |                               \
 306                          CFG_CMD_DHCP   |                               \
 307                          CFG_CMD_DTT    |                               \
 308                          CFG_CMD_DIAG   |                               \
 309                          CFG_CMD_EEPROM |                               \
 310                          CFG_CMD_ELF    |                               \
 311                          CFG_CMD_FAT    |                               \
 312                          CFG_CMD_I2C    |                               \
 313                          CFG_CMD_IRQ    |                               \
 314                          CFG_CMD_MII    |                               \
 315                          CFG_CMD_NAND   |                               \
 316                          CFG_CMD_NET    |                               \
 317                          CFG_CMD_NFS    |                               \
 318                          CFG_CMD_PCI    |                               \
 319                          CFG_CMD_PING   |                               \
 320                          CFG_CMD_REGINFO |                              \
 321                          CFG_CMD_USB)
 322
 323 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 324 #include <cmd_confdefs.h>
 325
 326 #undef CONFIG_WATCHDOG                                  /* watchdog disabled            */
 327
 328 /*-----------------------------------------------------------------------
 329  * Miscellaneous configurable options
 330  *----------------------------------------------------------------------*/
 331 #define CFG_LONGHELP                    /* undef to save memory         */
 332 #define CFG_PROMPT              "=> "   /* Monitor Command Prompt       */
 333 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 334 #define CFG_CBSIZE              1024    /* Console I/O Buffer Size      */
 335 #else
 336 #define CFG_CBSIZE              256     /* Console I/O Buffer Size      */
 337 #endif
 338 #define CFG_PBSIZE              (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
 339 #define CFG_MAXARGS             16      /* max number of command args   */
 340 #define CFG_BARGSIZE            CFG_CBSIZE /* Boot Argument Buffer Size */
 341
 342 #define CFG_MEMTEST_START       0x0400000 /* memtest works on           */
 343 #define CFG_MEMTEST_END         0x0C00000 /* 4 ... 12 MB in DRAM        */
 344
 345 #define CFG_LOAD_ADDR           0x100000  /* default load address       */
 346 #define CFG_EXTBDINFO           1       /* To use extended board_into (bd_t) */
 347
 348 #define CFG_HZ                  1000    /* decrementer freq: 1 ms ticks */
 349
 350 #define CONFIG_CMDLINE_EDITING  1       /* add command line history     */
 351 #define CONFIG_LOOPW            1       /* enable loopw command         */
 352 #define CONFIG_MX_CYCLIC        1       /* enable mdc/mwc commands      */
 353 #define CONFIG_ZERO_BOOTDELAY_CHECK     /* check for keypress on bootdelay==0 */
 354 #define CONFIG_VERSION_VARIABLE 1       /* include version env variable */
 355
 356 /*
 357  * For booting Linux, the board info and command line data
 358  * have to be in the first 8 MB of memory, since this is
 359  * the maximum mapped by the Linux kernel during initialization.
 360  */
 361 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 362
 363 /*-----------------------------------------------------------------------
 364  * NAND FLASH
 365  *----------------------------------------------------------------------*/
 366 #define CFG_MAX_NAND_DEVICE     1
 367 #define NAND_MAX_CHIPS          1
 368 #define CFG_NAND_BASE           (CFG_NAND_ADDR + CFG_NAND_CS)
 369 #define CFG_NAND_SELECT_DEVICE  1       /* nand driver supports mutipl. chips   */
 370
 371 /*-----------------------------------------------------------------------
 372  * Cache Configuration
 373  */
 374 #define CFG_DCACHE_SIZE         16384           /* For AMCC 405EZ CPU           */
 375 #define CFG_CACHELINE_SIZE      32              /* ...                          */
 376 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 377 #define CFG_CACHELINE_SHIFT     5               /* log base 2 of the above value*/
 378 #endif
 379
 380 /*-----------------------------------------------------------------------
 381  * External Bus Controller (EBC) Setup
 382  *----------------------------------------------------------------------*/
 383 #if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
 384 #define CFG_NAND_CS             3
 385 /* Memory Bank 0 (Flash) initialization                                         */
 386 #define CFG_EBC_PB0AP           0x03337200
 387 #define CFG_EBC_PB0CR           0xfe0bc000
 388
 389 /* Memory Bank 3 (NAND-FLASH) initialization                                    */
 390 #define CFG_EBC_PB3AP           0x018003c0
 391 #define CFG_EBC_PB3CR           (CFG_NAND_ADDR | 0x1c000)
 392
 393 /* Just initial configuration for CRAM. Will be changed in memory.c to sync mode*/
 394 /* Memory Bank 1 (CRAM) initialization                                          */
 395 #define CFG_EBC_PB1AP           0x030400c0
 396 #define CFG_EBC_PB1CR           0x000bc000
 397
 398 /* Memory Bank 2 (CRAM) initialization                                          */
 399 #define CFG_EBC_PB2AP           0x030400c0
 400 #define CFG_EBC_PB2CR           0x020bc000
 401 #else
 402 #define CFG_NAND_CS             0               /* NAND chip connected to CSx   */
 403 /* Memory Bank 0 (NAND-FLASH) initialization                                    */
 404 #define CFG_EBC_PB0AP           0x018003c0
 405 #define CFG_EBC_PB0CR           (CFG_NAND_ADDR | 0x1c000)
 406
 407 /*
 408  * When NAND-booting the CRAM EBC setup must be done in sync mode, since the
 409  * NAND-SPL already initialized the CRAM and EBC to sync mode.
 410  */
 411 /* Memory Bank 1 (CRAM) initialization                                          */
 412 #define CFG_EBC_PB1AP           0x9C0201C0
 413 #define CFG_EBC_PB1CR           0x000bc000
 414
 415 /* Memory Bank 2 (CRAM) initialization                                          */
 416 #define CFG_EBC_PB2AP           0x9C0201C0
 417 #define CFG_EBC_PB2CR           0x020bc000
 418 #endif
 419
 420 /* Memory Bank 4 (CPLD) initialization                                          */
 421 #define CFG_EBC_PB4AP           0x04006000
 422 #define CFG_EBC_PB4CR           (CFG_CPLD_BASE | 0x18000)
 423
 424 #define CFG_EBC_CFG             0xf8400000
 425
 426 /*-----------------------------------------------------------------------
 427  * GPIO Setup
 428  *----------------------------------------------------------------------*/
 429 #define CFG_GPIO_CRAM_CLK       8
 430 #define CFG_GPIO_CRAM_WAIT      9               /* GPIO-In              */
 431 #define CFG_GPIO_CRAM_ADV       10
 432 #define CFG_GPIO_CRAM_CRE       (32 + 21)       /* GPIO-Out             */
 433
 434 /*-----------------------------------------------------------------------
 435  * Definitions for GPIO_0 setup (PPC405EZ specific)
 436  *
 437  * GPIO0[0-2]   - External Bus Controller CS_4 - CS_6 Outputs
 438  * GPIO0[3]     - NAND FLASH Controller CE3 (NFCE3) Output
 439  * GPIO0[4]     - External Bus Controller Hold Input
 440  * GPIO0[5]     - External Bus Controller Priority Input
 441  * GPIO0[6]     - External Bus Controller HLDA Output
 442  * GPIO0[7]     - External Bus Controller Bus Request Output
 443  * GPIO0[8]     - CRAM Clk Output
 444  * GPIO0[9]     - External Bus Controller Ready Input
 445  * GPIO0[10]    - CRAM Adv Output
 446  * GPIO0[11-24] - NAND Flash Control Data -> Bypasses GPIO when enabled
 447  * GPIO0[25]    - External DMA Request Input
 448  * GPIO0[26]    - External DMA EOT I/O
 449  * GPIO0[25]    - External DMA Ack_n Output
 450  * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
 451  * GPIO0[28-30] - Trace Outputs / PWM Inputs
 452  * GPIO0[31]    - PWM_8 I/O
 453  */
 454 #define CFG_GPIO0_TCR           0xC0A00000
 455 #define CFG_GPIO0_OSRL          0x50004400
 456 #define CFG_GPIO0_OSRH          0x02000055
 457 #define CFG_GPIO0_ISR1L         0x00001000
 458 #define CFG_GPIO0_ISR1H         0x00000055
 459 #define CFG_GPIO0_TSRL          0x02000000
 460 #define CFG_GPIO0_TSRH          0x00000055
 461
 462 /*-----------------------------------------------------------------------
 463  * Definitions for GPIO_1 setup (PPC405EZ specific)
 464  *
 465  * GPIO1[0-6]   - PWM_9 to PWM_15 I/O
 466  * GPIO1[7]     - PWM_DIV_CLK (Out) / IRQ4 Input
 467  * GPIO1[8]     - TS5 Output / DAC_IP_TRIG Input
 468  * GPIO1[9]     - TS6 Output / ADC_IP_TRIG Input
 469  * GPIO1[10-12] - UART0 Control Inputs
 470  * GPIO1[13]    - UART0_DTR_N Output/IEEE_1588_TS Output/TMRCLK Input
 471  * GPIO1[14]    - UART0_RTS_N Output/SPI_SS_2_N Output
 472  * GPIO1[15]    - SPI_SS_3_N Output/UART0_RI_N Input
 473  * GPIO1[16]    - SPI_SS_1_N Output
 474  * GPIO1[17-20] - Trace Output/External Interrupts IRQ0 - IRQ3 inputs
 475  */
 476 #define CFG_GPIO1_TCR           0xFFFF8414
 477 #define CFG_GPIO1_OSRL          0x40000110
 478 #define CFG_GPIO1_OSRH          0x55455555
 479 #define CFG_GPIO1_ISR1L         0x15555445
 480 #define CFG_GPIO1_ISR1H         0x00000000
 481 #define CFG_GPIO1_TSRL          0x00000000
 482 #define CFG_GPIO1_TSRH          0x00000000
 483
 484 /*
 485  * Internal Definitions
 486  *
 487  * Boot Flags
 488  */
 489 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 490 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 491
 492 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 493   #define CONFIG_KGDB_BAUDRATE  230400  /* speed to run kgdb serial port */
 494   #define CONFIG_KGDB_SER_INDEX 2       /* which serial port to use */
 495 #endif
 496
 497 #endif  /* __CONFIG_H */