include/configs/RPXlite.h

   1 /*
   2  * (C) Copyright 2000
   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
  24 /* Yoo. Jonghoon, IPone, yooth@ipone.co.kr
  25  * U-Boot port on RPXlite board
  26  */
  27
  28 #ifndef __CONFIG_H
  29 #define __CONFIG_H
  30
  31 #define RPXLite_50MHz
  32
  33 /*
  34  * High Level Configuration Options
  35  * (easy to change)
  36  */
  37
  38 #undef CONFIG_MPC860
  39 #define CONFIG_MPC850           1       /* This is a MPC850 CPU         */
  40 #define CONFIG_RPXLITE          1
  41
  42 #define CONFIG_8xx_CONS_SMC1    1       /* Console is on SMC1           */
  43 #undef  CONFIG_8xx_CONS_SMC2
  44 #undef  CONFIG_8xx_CONS_NONE
  45 #define CONFIG_BAUDRATE         9600    /* console baudrate = 9600bps   */
  46 #if 0
  47 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
  48 #else
  49 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  50 #endif
  51
  52 #undef  CONFIG_BOOTARGS
  53 #define CONFIG_BOOTCOMMAND                                                      \
  54         "bootp; "                                                               \
  55         "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} "     \
  56         "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "   \
  57         "bootm"
  58
  59 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  60 #undef  CFG_LOADS_BAUD_CHANGE           /* don't allow baudrate change  */
  61
  62 #define CONFIG_BZIP2            /* Include support for bzip2 compressed images  */
  63 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  64
  65 #define CONFIG_BOOTP_MASK       (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
  66
  67 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
  68 #include <cmd_confdefs.h>
  69
  70 /*
  71  * Miscellaneous configurable options
  72  */
  73 #define CFG_LONGHELP                    /* undef to save memory         */
  74 #define CFG_PROMPT      "=> "           /* Monitor Command Prompt       */
  75 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
  76 #define CFG_CBSIZE      1024            /* Console I/O Buffer Size      */
  77 #else
  78 #define CFG_CBSIZE      256             /* Console I/O Buffer Size      */
  79 #endif
  80 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
  81 #define CFG_MAXARGS     16              /* max number of command args   */
  82 #define CFG_BARGSIZE    CFG_CBSIZE      /* Boot Argument Buffer Size    */
  83
  84 #define CFG_MEMTEST_START       0x00400000      /* memtest works on     */
  85 #define CFG_MEMTEST_END         0x00C00000      /* 4 ... 12 MB in DRAM  */
  86
  87 #define CFG_RESET_ADDRESS       0x09900000
  88
  89 #define CFG_LOAD_ADDR           0x400000        /* default load address */
  90
  91 #define CFG_HZ                  1000            /* decrementer freq: 1 ms ticks */
  92
  93 #define CFG_BAUDRATE_TABLE      { 9600, 19200, 38400, 57600, 115200 }
  94
  95 /*
  96  * Low Level Configuration Settings
  97  * (address mappings, register initial values, etc.)
  98  * You should know what you are doing if you make changes here.
  99  */
 100 /*-----------------------------------------------------------------------
 101  * Internal Memory Mapped Register
 102  */
 103 #define CFG_IMMR                0xFA200000
 104
 105 /*-----------------------------------------------------------------------
 106  * Definitions for initial stack pointer and data area (in DPRAM)
 107  */
 108 #define CFG_INIT_RAM_ADDR       CFG_IMMR
 109 #define CFG_INIT_RAM_END        0x2F00  /* End of used area in DPRAM    */
 110 #define CFG_GBL_DATA_SIZE       64  /* size in bytes reserved for initial data */
 111 #define CFG_GBL_DATA_OFFSET     (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 112 #define CFG_INIT_SP_OFFSET      CFG_GBL_DATA_OFFSET
 113
 114 /*-----------------------------------------------------------------------
 115  * Start addresses for the final memory configuration
 116  * (Set up by the startup code)
 117  * Please note that CFG_SDRAM_BASE _must_ start at 0
 118  */
 119 #define CFG_SDRAM_BASE          0x00000000
 120 #define CFG_FLASH_BASE          0xFFC00000
 121 #define CFG_MONITOR_BASE        TEXT_BASE
 122 #define CFG_MONITOR_LEN         (256 << 10)     /* Reserve 256 kB for Monitor   */
 123 #ifdef CONFIG_BZIP2
 124 #define CFG_MALLOC_LEN          (4096 << 10)    /* Reserve ~4 MB for malloc()   */
 125 #else
 126 #define CFG_MALLOC_LEN          (128 << 10)     /* Reserve 128 KB for malloc()  */
 127 #endif /* CONFIG_BZIP2 */
 128
 129 /*
 130  * For booting Linux, the board info and command line data
 131  * have to be in the first 8 MB of memory, since this is
 132  * the maximum mapped by the Linux kernel during initialization.
 133  */
 134 #define CFG_BOOTMAPSZ           (8 << 20)       /* Initial Memory map for Linux */
 135
 136 /*-----------------------------------------------------------------------
 137  * FLASH organization
 138  */
 139 #define CFG_MAX_FLASH_BANKS     1       /* max number of memory banks           */
 140 #define CFG_MAX_FLASH_SECT      19      /* max number of sectors on one chip    */
 141
 142 #define CFG_FLASH_ERASE_TOUT    120000  /* Timeout for Flash Erase (in ms)      */
 143 #define CFG_FLASH_WRITE_TOUT    500     /* Timeout for Flash Write (in ms)      */
 144
 145 #define CFG_DIRECT_FLASH_TFTP
 146
 147 #define CFG_ENV_IS_IN_FLASH     1
 148 #define CFG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
 149 #define CFG_ENV_ADDR            (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 150
 151 #define CONFIG_ENV_OVERWRITE
 152
 153 /*-----------------------------------------------------------------------
 154  * Cache Configuration
 155  */
 156 #define CFG_CACHELINE_SIZE      16      /* For all MPC8xx CPUs                  */
 157 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 158 #define CFG_CACHELINE_SHIFT     4       /* log base 2 of the above value        */
 159 #endif
 160
 161 /*-----------------------------------------------------------------------
 162  * SYPCR - System Protection Control                            11-9
 163  * SYPCR can only be written once after reset!
 164  *-----------------------------------------------------------------------
 165  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 166  */
 167 #if defined(CONFIG_WATCHDOG)
 168 #define CFG_SYPCR       (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 169                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 170 #else
 171 #define CFG_SYPCR       (SYPCR_SWTC | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 172 #endif
 173
 174 /*-----------------------------------------------------------------------
 175  * SIUMCR - SIU Module Configuration                            11-6
 176  *-----------------------------------------------------------------------
 177  * PCMCIA config., multi-function pin tri-state
 178  */
 179 #define CFG_SIUMCR      (SIUMCR_MLRC10)
 180
 181 /*-----------------------------------------------------------------------
 182  * TBSCR - Time Base Status and Control                         11-26
 183  *-----------------------------------------------------------------------
 184  * Clear Reference Interrupt Status, Timebase freezing enabled
 185  */
 186 #define CFG_TBSCR       (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
 187
 188 /*-----------------------------------------------------------------------
 189  * RTCSC - Real-Time Clock Status and Control Register          11-27
 190  *-----------------------------------------------------------------------
 191  */
 192 /*%%%#define CFG_RTCSC  (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
 193 #define CFG_RTCSC       (RTCSC_SEC | RTCSC_RTE)
 194
 195 /*-----------------------------------------------------------------------
 196  * PISCR - Periodic Interrupt Status and Control                11-31
 197  *-----------------------------------------------------------------------
 198  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 199  */
 200 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
 201
 202 /*-----------------------------------------------------------------------
 203  * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 204  *-----------------------------------------------------------------------
 205  * Reset PLL lock status sticky bit, timer expired status bit and timer
 206  * interrupt status bit
 207  *
 208  * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
 209  */
 210 /* up to 50 MHz we use a 1:1 clock */
 211 #define CFG_PLPRCR      ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
 212
 213 /*-----------------------------------------------------------------------
 214  * SCCR - System Clock and reset Control Register               15-27
 215  *-----------------------------------------------------------------------
 216  * Set clock output, timebase and RTC source and divider,
 217  * power management and some other internal clocks
 218  */
 219 #define SCCR_MASK       SCCR_EBDF00
 220 /* up to 50 MHz we use a 1:1 clock */
 221 #define CFG_SCCR        (SCCR_COM11 | SCCR_TBS)
 222
 223 /*-----------------------------------------------------------------------
 224  * PCMCIA stuff
 225  *-----------------------------------------------------------------------
 226  *
 227  */
 228 #define CFG_PCMCIA_MEM_ADDR     (0xE0000000)
 229 #define CFG_PCMCIA_MEM_SIZE     ( 64 << 20 )
 230 #define CFG_PCMCIA_DMA_ADDR     (0xE4000000)
 231 #define CFG_PCMCIA_DMA_SIZE     ( 64 << 20 )
 232 #define CFG_PCMCIA_ATTRB_ADDR   (0xE8000000)
 233 #define CFG_PCMCIA_ATTRB_SIZE   ( 64 << 20 )
 234 #define CFG_PCMCIA_IO_ADDR      (0xEC000000)
 235 #define CFG_PCMCIA_IO_SIZE      ( 64 << 20 )
 236
 237 /*-----------------------------------------------------------------------
 238  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
 239  *-----------------------------------------------------------------------
 240  */
 241
 242 #define CONFIG_IDE_8xx_PCCARD   1       /* Use IDE with PC Card Adapter */
 243
 244 #undef  CONFIG_IDE_8xx_DIRECT           /* Direct IDE    not supported  */
 245 #undef  CONFIG_IDE_LED                  /* LED   for ide not supported  */
 246 #undef  CONFIG_IDE_RESET                /* reset for ide not supported  */
 247
 248 #define CFG_IDE_MAXBUS          1       /* max. 1 IDE bus               */
 249 #define CFG_IDE_MAXDEVICE       1       /* max. 1 drive per IDE bus     */
 250
 251 #define CFG_ATA_IDE0_OFFSET     0x0000
 252
 253 #define CFG_ATA_BASE_ADDR       CFG_PCMCIA_MEM_ADDR
 254
 255 /* Offset for data I/O                  */
 256 #define CFG_ATA_DATA_OFFSET     (CFG_PCMCIA_MEM_SIZE + 0x320)
 257
 258 /* Offset for normal register accesses  */
 259 #define CFG_ATA_REG_OFFSET      (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
 260
 261 /* Offset for alternate registers       */
 262 #define CFG_ATA_ALT_OFFSET      0x0100
 263
 264 /*-----------------------------------------------------------------------
 265  *
 266  *-----------------------------------------------------------------------
 267  *
 268  */
 269 /*#define       CFG_DER 0x2002000F*/
 270 #define CFG_DER 0
 271
 272 /*
 273  * Init Memory Controller:
 274  *
 275  * BR0 and OR0 (FLASH)
 276  */
 277
 278 #define FLASH_BASE_PRELIM       0xFE000000      /* FLASH base */
 279 #define CFG_PRELIM_OR_AM        0xFE000000      /* OR addr mask */
 280
 281 /* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
 282 #define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
 283
 284 #define CFG_OR0_PRELIM  (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
 285 #define CFG_BR0_PRELIM  ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
 286
 287 /*
 288  * BR1 and OR1 (SDRAM)
 289  *
 290  */
 291 #define SDRAM_BASE_PRELIM       0x00000000      /* SDRAM base   */
 292 #define SDRAM_MAX_SIZE          0x01000000      /* max 16 MB */
 293
 294 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 295 #define CFG_OR_TIMING_SDRAM     0x00000E00
 296
 297 #define CFG_OR1_PRELIM  (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
 298 #define CFG_BR1_PRELIM  ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 299
 300 /* RPXLITE mem setting */
 301 #define CFG_BR3_PRELIM  0xFA400001              /* BCSR */
 302 #define CFG_OR3_PRELIM  0xFFFF8910
 303 #define CFG_BR4_PRELIM  0xFA000401              /* NVRAM&SRAM */
 304 #define CFG_OR4_PRELIM  0xFFFE0970
 305
 306 /*
 307  * Memory Periodic Timer Prescaler
 308  */
 309
 310 /* periodic timer for refresh */
 311 #define CFG_MAMR_PTA    58
 312
 313 /*
 314  * Refresh clock Prescalar
 315  */
 316 #define CFG_MPTPR       MPTPR_PTP_DIV8
 317
 318 /*
 319  * MAMR settings for SDRAM
 320  */
 321
 322 /* 10 column SDRAM */
 323 #define CFG_MAMR_10COL  ((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE      |   \
 324                          MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A12 |   \
 325                          MAMR_GPL_A4DIS | MAMR_RLFA_4X | MAMR_WLFA_3X | MAMR_TLFA_16X)
 326
 327 /*
 328  * Internal Definitions
 329  *
 330  * Boot Flags
 331  */
 332 #define BOOTFLAG_COLD   0x01            /* Normal Power-On: Boot from FLASH     */
 333 #define BOOTFLAG_WARM   0x02            /* Software reboot                      */
 334
 335
 336 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
 337 /* Configuration variable added by yooth. */
 338 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
 339
 340 /*
 341  * BCSRx
 342  *
 343  * Board Status and Control Registers
 344  *
 345  */
 346
 347 #define BCSR0 0xFA400000
 348 #define BCSR1 0xFA400001
 349 #define BCSR2 0xFA400002
 350 #define BCSR3 0xFA400003
 351
 352 #define BCSR0_ENMONXCVR 0x01    /* Monitor XVCR Control */
 353 #define BCSR0_ENNVRAM   0x02    /* CS4# Control */
 354 #define BCSR0_LED5      0x04    /* LED5 control 0='on' 1='off' */
 355 #define BCSR0_LED4      0x08    /* LED4 control 0='on' 1='off' */
 356 #define BCSR0_FULLDPLX  0x10    /* Ethernet XCVR Control */
 357 #define BCSR0_COLTEST   0x20
 358 #define BCSR0_ETHLPBK   0x40
 359 #define BCSR0_ETHEN     0x80
 360
 361 #define BCSR1_PCVCTL7   0x01    /* PC Slot B Control */
 362 #define BCSR1_PCVCTL6   0x02
 363 #define BCSR1_PCVCTL5   0x04
 364 #define BCSR1_PCVCTL4   0x08
 365 #define BCSR1_IPB5SEL   0x10
 366
 367 #define BCSR2_ENPA5HDR  0x08    /* USB Control */
 368 #define BCSR2_ENUSBCLK  0x10
 369 #define BCSR2_USBPWREN  0x20
 370 #define BCSR2_USBSPD    0x40
 371 #define BCSR2_USBSUSP   0x80
 372
 373 #define BCSR3_BWRTC     0x01    /* Real Time Clock Battery */
 374 #define BCSR3_BWNVR     0x02    /* NVRAM Battery */
 375 #define BCSR3_RDY_BSY   0x04    /* Flash Operation */
 376 #define BCSR3_RPXL      0x08    /* Reserved (reads back '1') */
 377 #define BCSR3_D27       0x10    /* Dip Switch settings */
 378 #define BCSR3_D26       0x20
 379 #define BCSR3_D25       0x40
 380 #define BCSR3_D24       0x80
 381
 382 #endif  /* __CONFIG_H */