include/configs/SM850.h

   1 /*
   2  * (C) Copyright 2000-2008
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * board/config.h - configuration options, board specific
  10  */
  11
  12 #ifndef __CONFIG_H
  13 #define __CONFIG_H
  14
  15 #undef TQM8xxL_80MHz    /*      1       / * define for 80 MHz CPU only  */
  16
  17 /*
  18  * High Level Configuration Options
  19  * (easy to change)
  20  */
  21
  22 #define CONFIG_MPC850           1       /* This is a MPC850 CPU         */
  23 #define CONFIG_SM850            1       /*...on a MPC850 Service Module */
  24
  25 #define CONFIG_SYS_TEXT_BASE    0x40000000
  26
  27 #define CONFIG_8xx_CONS_SMC2    1       /* Console is on SMC2           */
  28 #define CONFIG_SYS_SMC_RXBUFLEN 128
  29 #define CONFIG_SYS_MAXIDLE      10
  30 #define CONFIG_BAUDRATE         115200
  31 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
  32
  33 #define CONFIG_CLOCKS_IN_MHZ    1       /* clocks passsed to Linux in MHz */
  34
  35 #define CONFIG_BOARD_TYPES      1       /* support board types          */
  36
  37 #undef  CONFIG_BOOTARGS
  38 #define CONFIG_BOOTCOMMAND                                                      \
  39         "bootp; "                                                               \
  40         "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} "     \
  41         "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "   \
  42         "bootm"
  43
  44 #define CONFIG_LOADS_ECHO       1       /* echo on for serial download  */
  45 #undef  CONFIG_SYS_LOADS_BAUD_CHANGE            /* don't allow baudrate change  */
  46
  47 #undef  CONFIG_WATCHDOG                 /* watchdog disabled            */
  48
  49 #undef  CONFIG_STATUS_LED               /* Status LED not enabled       */
  50
  51 #undef  CONFIG_CAN_DRIVER               /* CAN Driver support disabled  */
  52
  53 /*
  54  * BOOTP options
  55  */
  56 #define CONFIG_BOOTP_SUBNETMASK
  57 #define CONFIG_BOOTP_GATEWAY
  58 #define CONFIG_BOOTP_HOSTNAME
  59 #define CONFIG_BOOTP_BOOTPATH
  60 #define CONFIG_BOOTP_BOOTFILESIZE
  61
  62
  63 #define CONFIG_RTC_MPC8xx               /* use internal RTC of MPC8xx   */
  64
  65
  66 /*
  67  * Command line configuration.
  68  */
  69 #include <config_cmd_default.h>
  70
  71 #define CONFIG_CMD_DHCP
  72 #define CONFIG_CMD_DATE
  73
  74
  75 /*
  76  * Miscellaneous configurable options
  77  */
  78 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
  79 #if defined(CONFIG_CMD_KGDB) && defined(KGDB_DEBUG)
  80 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
  81 #else
  82 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
  83 #endif
  84 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
  85 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
  86 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
  87
  88 #define CONFIG_SYS_MEMTEST_START        0x0400000       /* memtest works on     */
  89 #define CONFIG_SYS_MEMTEST_END          0x0C00000       /* 4 ... 12 MB in DRAM  */
  90
  91 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
  92
  93 /*
  94  * Low Level Configuration Settings
  95  * (address mappings, register initial values, etc.)
  96  * You should know what you are doing if you make changes here.
  97  */
  98 /*-----------------------------------------------------------------------
  99  * Internal Memory Mapped Register
 100  */
 101 #define CONFIG_SYS_IMMR         0xFFF00000
 102
 103 /*-----------------------------------------------------------------------
 104  * Definitions for initial stack pointer and data area (in DPRAM)
 105  */
 106 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 107 #define CONFIG_SYS_INIT_RAM_SIZE        0x2F00  /* Size of used area in DPRAM   */
 108 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 109 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 110
 111 /*-----------------------------------------------------------------------
 112  * Start addresses for the final memory configuration
 113  * (Set up by the startup code)
 114  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 115  */
 116 #define CONFIG_SYS_SDRAM_BASE           0x00000000
 117 #define CONFIG_SYS_FLASH_BASE           0x40000000
 118 #if defined(DEBUG)
 119 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 120 #else
 121 #define CONFIG_SYS_MONITOR_LEN          (192 << 10)     /* Reserve 192 kB for Monitor   */
 122 #endif
 123 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
 124 #define CONFIG_SYS_MALLOC_LEN           (128 << 10)     /* Reserve 128 kB for malloc()  */
 125
 126 /*
 127  * For booting Linux, the board info and command line data
 128  * have to be in the first 8 MB of memory, since this is
 129  * the maximum mapped by the Linux kernel during initialization.
 130  */
 131 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Memory map for Linux */
 132
 133 /*-----------------------------------------------------------------------
 134  * FLASH organization
 135  */
 136 /* use CFI flash driver */
 137 #define CONFIG_SYS_FLASH_CFI            1       /* Flash is CFI conformant */
 138 #define CONFIG_FLASH_CFI_DRIVER 1       /* Use the common driver */
 139 #define CONFIG_SYS_FLASH_BANKS_LIST     { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
 140 #define CONFIG_SYS_FLASH_EMPTY_INFO
 141 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE       1
 142 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of memory banks           */
 143 #define CONFIG_SYS_MAX_FLASH_SECT       71      /* max number of sectors on one chip */
 144
 145 #define CONFIG_ENV_IS_IN_FLASH  1
 146 #define CONFIG_ENV_OFFSET       0x8000  /*   Offset   of Environment Sector     */
 147 #define CONFIG_ENV_SIZE         0x4000  /* Total Size of Environment Sector     */
 148
 149 #define CONFIG_MISC_INIT_R              /* Make sure to remap flashes correctly */
 150
 151 /*-----------------------------------------------------------------------
 152  * Hardware Information Block
 153  */
 154 #define CONFIG_SYS_HWINFO_OFFSET        0x0003FFC0      /* offset of HW Info block */
 155 #define CONFIG_SYS_HWINFO_SIZE          0x00000040      /* size   of HW Info block */
 156 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38      /* 'TQM8' */
 157
 158 /*-----------------------------------------------------------------------
 159  * Cache Configuration
 160  */
 161 #define CONFIG_SYS_CACHELINE_SIZE       16      /* For all MPC8xx CPUs                  */
 162 #if defined(CONFIG_CMD_KGDB)
 163 #define CONFIG_SYS_CACHELINE_SHIFT      4       /* log base 2 of the above value        */
 164 #endif
 165
 166 /*-----------------------------------------------------------------------
 167  * SYPCR - System Protection Control                            11-9
 168  * SYPCR can only be written once after reset!
 169  *-----------------------------------------------------------------------
 170  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 171  */
 172 #if defined(CONFIG_WATCHDOG)
 173 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
 174                          SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
 175 #else
 176 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
 177 #endif
 178
 179 /*-----------------------------------------------------------------------
 180  * SIUMCR - SIU Module Configuration                            11-6
 181  *-----------------------------------------------------------------------
 182  * PCMCIA config., multi-function pin tri-state
 183  */
 184 #ifndef CONFIG_CAN_DRIVER
 185 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 186 #else   /* we must activate GPL5 in the SIUMCR for CAN */
 187 #define CONFIG_SYS_SIUMCR       (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
 188 #endif  /* CONFIG_CAN_DRIVER */
 189
 190 /*-----------------------------------------------------------------------
 191  * TBSCR - Time Base Status and Control                         11-26
 192  *-----------------------------------------------------------------------
 193  * Clear Reference Interrupt Status, Timebase freezing enabled
 194  */
 195 #define CONFIG_SYS_TBSCR        (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
 196
 197 /*-----------------------------------------------------------------------
 198  * RTCSC - Real-Time Clock Status and Control Register          11-27
 199  *-----------------------------------------------------------------------
 200  */
 201 #define CONFIG_SYS_RTCSC        (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
 202
 203 /*-----------------------------------------------------------------------
 204  * PISCR - Periodic Interrupt Status and Control                11-31
 205  *-----------------------------------------------------------------------
 206  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 207  */
 208 #define CONFIG_SYS_PISCR        (PISCR_PS | PISCR_PITF)
 209
 210 /*-----------------------------------------------------------------------
 211  * PLPRCR - PLL, Low-Power, and Reset Control Register          15-30
 212  *-----------------------------------------------------------------------
 213  * Reset PLL lock status sticky bit, timer expired status bit and timer
 214  * interrupt status bit
 215  *
 216  * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
 217  */
 218 #ifdef TQM8xxL_80MHz    /* for 80 MHz, we use a 16 MHz clock * 5 */
 219 #define CONFIG_SYS_PLPRCR                                                       \
 220                 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
 221 #else
 222 #define CONFIG_SYS_PLPRCR       (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
 223 #endif  /* TQM8xxL_80MHz */
 224
 225 /*-----------------------------------------------------------------------
 226  * SCCR - System Clock and reset Control Register               15-27
 227  *-----------------------------------------------------------------------
 228  * Set clock output, timebase and RTC source and divider,
 229  * power management and some other internal clocks
 230  */
 231 #define SCCR_MASK       SCCR_EBDF11
 232 #ifdef TQM8xxL_80MHz    /* for 80 MHz, we use a 16 MHz clock * 5 */
 233 #define CONFIG_SYS_SCCR (/* SCCR_TBS  | */ \
 234                          SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 235                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 236                          SCCR_DFALCD00)
 237 #else                   /* up to 50 MHz we use a 1:1 clock */
 238 #define CONFIG_SYS_SCCR (SCCR_TBS     | \
 239                          SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 240                          SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 241                          SCCR_DFALCD00)
 242 #endif  /* TQM8xxL_80MHz */
 243
 244 /*-----------------------------------------------------------------------
 245  * PCMCIA stuff
 246  *-----------------------------------------------------------------------
 247  *
 248  */
 249 #define CONFIG_SYS_PCMCIA_MEM_ADDR      (0xE0000000)
 250 #define CONFIG_SYS_PCMCIA_MEM_SIZE      ( 64 << 20 )
 251 #define CONFIG_SYS_PCMCIA_DMA_ADDR      (0xE4000000)
 252 #define CONFIG_SYS_PCMCIA_DMA_SIZE      ( 64 << 20 )
 253 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR    (0xE8000000)
 254 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE    ( 64 << 20 )
 255 #define CONFIG_SYS_PCMCIA_IO_ADDR       (0xEC000000)
 256 #define CONFIG_SYS_PCMCIA_IO_SIZE       ( 64 << 20 )
 257
 258 /*-----------------------------------------------------------------------
 259  *
 260  *-----------------------------------------------------------------------
 261  *
 262  */
 263 #define CONFIG_SYS_DER  0
 264
 265 /*
 266  * Init Memory Controller:
 267  *
 268  * BR0/1 and OR0/1 (FLASH)
 269  */
 270
 271 #define FLASH_BASE0_PRELIM      0x40000000      /* FLASH bank #0        */
 272 #define FLASH_BASE1_PRELIM      0x60000000      /* FLASH bank #0        */
 273
 274 /* used to re-map FLASH both when starting from SRAM or FLASH:
 275  * restrict access enough to keep SRAM working (if any)
 276  * but not too much to meddle with FLASH accesses
 277  */
 278 #define CONFIG_SYS_REMAP_OR_AM          0x80000000      /* OR addr mask */
 279 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000      /* OR addr mask */
 280
 281 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1        */
 282 #define CONFIG_SYS_OR_TIMING_FLASH      (OR_CSNT_SAM  | OR_ACS_DIV2 | OR_BI | \
 283                                  OR_SCY_5_CLK | OR_EHTR)
 284
 285 #define CONFIG_SYS_OR0_REMAP    (CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
 286 #define CONFIG_SYS_OR0_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
 287 #define CONFIG_SYS_BR0_PRELIM   ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
 288
 289 #define CONFIG_SYS_OR1_REMAP    CONFIG_SYS_OR0_REMAP
 290 #define CONFIG_SYS_OR1_PRELIM   CONFIG_SYS_OR0_PRELIM
 291 #define CONFIG_SYS_BR1_PRELIM   ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
 292
 293 /*
 294  * BR2/3 and OR2/3 (SDRAM)
 295  *
 296  */
 297 #define SDRAM_BASE2_PRELIM      0x00000000      /* SDRAM bank #0        */
 298 #define SDRAM_BASE3_PRELIM      0x20000000      /* SDRAM bank #1        */
 299 #define SDRAM_MAX_SIZE          0x04000000      /* max 64 MB per bank   */
 300
 301 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)      */
 302 #define CONFIG_SYS_OR_TIMING_SDRAM      0x00000A00
 303
 304 #define CONFIG_SYS_OR2_PRELIM   (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
 305 #define CONFIG_SYS_BR2_PRELIM   ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 306
 307 #ifndef CONFIG_CAN_DRIVER
 308 #define CONFIG_SYS_OR3_PRELIM   CONFIG_SYS_OR2_PRELIM
 309 #define CONFIG_SYS_BR3_PRELIM   ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
 310 #else   /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
 311 #define CONFIG_SYS_CAN_BASE             0xC0000000      /* CAN mapped at 0xC0000000     */
 312 #define CONFIG_SYS_CAN_OR_AM            0xFFFF8000      /* 32 kB address mask           */
 313 #define CONFIG_SYS_OR3_CAN              (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
 314 #define CONFIG_SYS_BR3_CAN              ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
 315                                         BR_PS_8 | BR_MS_UPMB | BR_V )
 316 #endif  /* CONFIG_CAN_DRIVER */
 317
 318 /*
 319  * Memory Periodic Timer Prescaler
 320  */
 321
 322 /* periodic timer for refresh */
 323 #define CONFIG_SYS_MAMR_PTA     97              /* start with divider for 100 MHz       */
 324
 325 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit     */
 326 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16         /* setting for 2 banks  */
 327 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32         /* setting for 1 bank   */
 328
 329 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit         */
 330 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8          /* setting for 2 banks  */
 331 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16         /* setting for 1 bank   */
 332
 333 /*
 334  * MAMR settings for SDRAM
 335  */
 336
 337 /* 8 column SDRAM */
 338 #define CONFIG_SYS_MAMR_8COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 339                          MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |   \
 340                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 341 /* 9 column SDRAM */
 342 #define CONFIG_SYS_MAMR_9COL    ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE       |   \
 343                          MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |   \
 344                          MAMR_RLFA_1X    | MAMR_WLFA_1X    | MAMR_TLFA_4X)
 345
 346 /* pass open firmware flat tree */
 347 #define CONFIG_OF_LIBFDT        1
 348 #define CONFIG_OF_BOARD_SETUP   1
 349 #define CONFIG_HWCONFIG         1
 350
 351 #endif  /* __CONFIG_H */