include/configs/cogent_mpc8260.h

   1 /*
   2  * (C) Copyright 2000
   3  * Murray Jensen <Murray.Jensen@cmst.csiro.au>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * Config header file for Cogent platform using an MPC8xx CPU module
  10  */
  11
  12 #ifndef __CONFIG_H
  13 #define __CONFIG_H
  14
  15 /*
  16  * High Level Configuration Options
  17  * (easy to change)
  18  */
  19
  20 #define CONFIG_MPC8260          1       /* This is an MPC8260 CPU       */
  21 #define CONFIG_COGENT           1       /* using Cogent Modular Architecture */
  22 #define CONFIG_CPM2             1       /* Has a CPM2 */
  23
  24 #define CONFIG_SYS_TEXT_BASE    0xfff00000
  25
  26 #define CONFIG_MISC_INIT_F      1       /* Use misc_init_f()            */
  27 #define CONFIG_MISC_INIT_R              /* Use misc_init_r()            */
  28
  29 /* Cogent Modular Architecture options */
  30 #define CONFIG_CMA282           1       /* ...on a CMA282 CPU module    */
  31 #define CONFIG_CMA111           1       /* ...on a CMA111 motherboard   */
  32
  33 /*
  34  * select serial console configuration
  35  *
  36  * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
  37  * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
  38  * for SCC).
  39  *
  40  * if CONFIG_CONS_NONE is defined, then the serial console routines must
  41  * defined elsewhere (for example, on the cogent platform, there are serial
  42  * ports on the motherboard which are used for the serial console - see
  43  * cogent/cma101/serial.[ch]).
  44  */
  45 #define CONFIG_CONS_ON_SMC              /* define if console on SMC */
  46 #undef  CONFIG_CONS_ON_SCC              /* define if console on SCC */
  47 #undef  CONFIG_CONS_NONE                /* define if console on something else*/
  48 #define CONFIG_CONS_INDEX       1       /* which serial channel for console */
  49 #undef  CONFIG_CONS_USE_EXTC            /* SMC/SCC use ext clock not brg_clk */
  50 #define CONFIG_CONS_EXTC_RATE   3686400 /* SMC/SCC ext clk rate in Hz */
  51 #define CONFIG_CONS_EXTC_PINSEL 0       /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
  52
  53 /*
  54  * select ethernet configuration
  55  *
  56  * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
  57  * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
  58  * for FCC)
  59  *
  60  * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
  61  * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
  62  */
  63 #undef  CONFIG_ETHER_ON_SCC             /* define if ether on SCC       */
  64 #undef  CONFIG_ETHER_ON_FCC             /* define if ether on FCC       */
  65 #define CONFIG_ETHER_NONE               /* define if ether on something else */
  66 #define CONFIG_ETHER_INDEX      1       /* which channel for ether      */
  67
  68 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
  69 #define CONFIG_8260_CLKIN       66666666        /* in Hz */
  70
  71 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
  72 #define CONFIG_BAUDRATE         230400
  73 #else
  74 #define CONFIG_BAUDRATE         9600
  75 #endif
  76
  77
  78 /*
  79  * BOOTP options
  80  */
  81 #define CONFIG_BOOTP_BOOTFILESIZE
  82 #define CONFIG_BOOTP_BOOTPATH
  83 #define CONFIG_BOOTP_GATEWAY
  84 #define CONFIG_BOOTP_HOSTNAME
  85
  86
  87 /*
  88  * Command line configuration.
  89  */
  90 #include <config_cmd_default.h>
  91
  92 #define CONFIG_CMD_KGDB
  93
  94 #undef CONFIG_CMD_NET
  95 #undef CONFIG_CMD_NFS
  96
  97 #ifdef DEBUG
  98 #define CONFIG_BOOTDELAY        -1      /* autoboot disabled            */
  99 #else
 100 #define CONFIG_BOOTDELAY        5       /* autoboot after 5 seconds     */
 101 #endif
 102 #define CONFIG_BOOTCOMMAND      "bootm 04080000 04200000" /* autoboot command*/
 103
 104 #define CONFIG_BOOTARGS         "root=/dev/ram rw"
 105
 106 #if defined(CONFIG_CMD_KGDB)
 107 #define CONFIG_KGDB_ON_SMC              /* define if kgdb on SMC */
 108 #undef  CONFIG_KGDB_ON_SCC              /* define if kgdb on SCC */
 109 #undef  CONFIG_KGDB_NONE                /* define if kgdb on something else */
 110 #define CONFIG_KGDB_INDEX       2       /* which serial channel for kgdb */
 111 #define CONFIG_KGDB_USE_EXTC            /* SMC/SCC use ext clock not brg_clk */
 112 #define CONFIG_KGDB_EXTC_RATE   3686400 /* serial ext clk rate in Hz */
 113 #define CONFIG_KGDB_EXTC_PINSEL 0       /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/
 114 # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC)
 115 #define CONFIG_KGDB_BAUDRATE    230400  /* speed to run kgdb serial port at */
 116 # else
 117 #define CONFIG_KGDB_BAUDRATE    9600    /* speed to run kgdb serial port at */
 118 # endif
 119 #endif
 120
 121 #undef  CONFIG_WATCHDOG                 /* disable platform specific watchdog */
 122
 123 /*
 124  * Miscellaneous configurable options
 125  */
 126 #define CONFIG_SYS_LONGHELP                     /* undef to save memory         */
 127 #if defined(CONFIG_CMD_KGDB)
 128 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O Buffer Size      */
 129 #else
 130 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size      */
 131 #endif
 132 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
 133 #define CONFIG_SYS_MAXARGS      16              /* max number of command args   */
 134 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE       /* Boot Argument Buffer Size    */
 135
 136 #define CONFIG_SYS_MEMTEST_START        0x00400000      /* memtest works on     */
 137 #define CONFIG_SYS_MEMTEST_END          0x01c00000      /* 4 ... 28 MB in DRAM  */
 138
 139 #define CONFIG_SYS_LOAD_ADDR            0x100000        /* default load address */
 140
 141 #define CONFIG_SYS_HZ           1000            /* decrementer freq: 1 ms ticks */
 142
 143 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200, 230400 }
 144
 145 /*
 146  * Low Level Configuration Settings
 147  * (address mappings, register initial values, etc.)
 148  * You should know what you are doing if you make changes here.
 149  */
 150
 151 /*-----------------------------------------------------------------------
 152  * Low Level Cogent settings
 153  * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not.
 154  * also, make sure CONFIG_CONS_INDEX is still defined - the index will be
 155  * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B
 156  * (second 2 for CMA120 only)
 157  */
 158 #define CONFIG_SYS_CMA_MB_BASE          0x00000000      /* base of m/b address space */
 159
 160 #include <configs/cogent_common.h>
 161
 162 #ifdef CONFIG_CONS_NONE
 163 #define CONFIG_SYS_CMA_CONS_SERIAL      /* use Cogent motherboard serial for console */
 164 #endif
 165 #define CONFIG_SYS_CMA_LCD_HEARTBEAT    /* define for sec rotator in lcd corner */
 166 #define CONFIG_SHOW_ACTIVITY
 167
 168 #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH)
 169 /*
 170  * flash exists on the motherboard
 171  * set these four according to TOP dipsw:
 172  * TOP on  => ..._FLLOW_...     (boot EPROM space is high so FLASH is low )
 173  * TOP off => ..._FLHIGH_...    (boot EPROM space is low  so FLASH is high)
 174  */
 175 #define CMA_MB_FLASH_EXEC_BASE  CMA_MB_FLLOW_EXEC_BASE
 176 #define CMA_MB_FLASH_EXEC_SIZE  CMA_MB_FLLOW_EXEC_SIZE
 177 #define CMA_MB_FLASH_RDWR_BASE  CMA_MB_FLLOW_RDWR_BASE
 178 #define CMA_MB_FLASH_RDWR_SIZE  CMA_MB_FLLOW_RDWR_SIZE
 179 #endif
 180 #define CMA_MB_FLASH_BASE       CMA_MB_FLASH_EXEC_BASE
 181 #define CMA_MB_FLASH_SIZE       CMA_MB_FLASH_EXEC_SIZE
 182
 183 /*-----------------------------------------------------------------------
 184  * Hard Reset Configuration Words
 185  *
 186  * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
 187  * defines for the various registers affected by the HRCW e.g. changing
 188  * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
 189  */
 190 #define CONFIG_SYS_HRCW_MASTER  (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\
 191                          HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101)
 192 /* no slaves so just duplicate the master hrcw */
 193 #define CONFIG_SYS_HRCW_SLAVE1  CONFIG_SYS_HRCW_MASTER
 194 #define CONFIG_SYS_HRCW_SLAVE2  CONFIG_SYS_HRCW_MASTER
 195 #define CONFIG_SYS_HRCW_SLAVE3  CONFIG_SYS_HRCW_MASTER
 196 #define CONFIG_SYS_HRCW_SLAVE4  CONFIG_SYS_HRCW_MASTER
 197 #define CONFIG_SYS_HRCW_SLAVE5  CONFIG_SYS_HRCW_MASTER
 198 #define CONFIG_SYS_HRCW_SLAVE6  CONFIG_SYS_HRCW_MASTER
 199 #define CONFIG_SYS_HRCW_SLAVE7  CONFIG_SYS_HRCW_MASTER
 200
 201 /*-----------------------------------------------------------------------
 202  * Internal Memory Mapped Register
 203  */
 204 #define CONFIG_SYS_IMMR         0xF0000000
 205
 206 /*-----------------------------------------------------------------------
 207  * Definitions for initial stack pointer and data area (in DPRAM)
 208  */
 209 #define CONFIG_SYS_INIT_RAM_ADDR        CONFIG_SYS_IMMR
 210 #define CONFIG_SYS_INIT_RAM_SIZE        0x4000  /* Size of used area in DPRAM   */
 211 #define CONFIG_SYS_GBL_DATA_OFFSET      (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
 212 #define CONFIG_SYS_INIT_SP_OFFSET       CONFIG_SYS_GBL_DATA_OFFSET
 213
 214 /*-----------------------------------------------------------------------
 215  * Start addresses for the final memory configuration
 216  * (Set up by the startup code)
 217  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 218  */
 219 #define CONFIG_SYS_SDRAM_BASE           CMA_MB_RAM_BASE
 220 #ifdef CONFIG_CMA302
 221 #define CONFIG_SYS_FLASH_BASE           CMA_MB_SLOT2_BASE       /* cma302 in slot 2 */
 222 #else
 223 #define CONFIG_SYS_FLASH_BASE           CMA_MB_FLASH_BASE       /* flash on m/b */
 224 #endif
 225 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
 226 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 256 kB for Monitor   */
 227 #define CONFIG_SYS_MALLOC_LEN           (128 << 10)     /* Reserve 128 kB for malloc()*/
 228
 229 /*
 230  * For booting Linux, the board info and command line data
 231  * have to be in the first 8 MB of memory, since this is
 232  * the maximum mapped by the Linux kernel during initialization.
 233  */
 234 #define CONFIG_SYS_BOOTMAPSZ            (8 << 20)       /* Initial Mem map for Linux*/
 235
 236 /*-----------------------------------------------------------------------
 237  * FLASH organization
 238  */
 239 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max num of memory banks      */
 240 #define CONFIG_SYS_MAX_FLASH_SECT       67      /* max num of sects on one chip */
 241
 242 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* Flash Erase Timeout (in ms)  */
 243 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* Flash Write Timeout (in ms)  */
 244
 245 #define CONFIG_ENV_IS_IN_FLASH  1
 246 #define CONFIG_ENV_ADDR         CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */
 247 #ifdef CONFIG_CMA302
 248 #define CONFIG_ENV_SIZE         0x1000  /* Total Size of Environment Sector */
 249 #define CONFIG_ENV_SECT_SIZE    (512*1024) /* see README - env sect real size */
 250 #else
 251 #define CONFIG_ENV_SIZE         0x4000  /* Total Size of Environment Sector */
 252 #endif
 253
 254 /*-----------------------------------------------------------------------
 255  * Cache Configuration
 256  */
 257 #define CONFIG_SYS_CACHELINE_SIZE       32      /* For MPC8260 CPU              */
 258 #if defined(CONFIG_CMD_KGDB)
 259 # define CONFIG_SYS_CACHELINE_SHIFT     5       /* log base 2 of the above value*/
 260 #endif
 261
 262 /*-----------------------------------------------------------------------
 263  * HIDx - Hardware Implementation-dependent Registers                    2-11
 264  *-----------------------------------------------------------------------
 265  * HID0 also contains cache control - initially enable both caches and
 266  * invalidate contents, then the final state leaves only the instruction
 267  * cache enabled. Note that Power-On and Hard reset invalidate the caches,
 268  * but Soft reset does not.
 269  *
 270  * HID1 has only read-only information - nothing to set.
 271  */
 272 #define CONFIG_SYS_HID0_INIT    (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
 273                                 HID0_IFEM|HID0_ABE)
 274 #define CONFIG_SYS_HID0_FINAL   (HID0_ICE|HID0_IFEM|HID0_ABE)
 275 #define CONFIG_SYS_HID2 0
 276
 277 /*-----------------------------------------------------------------------
 278  * RMR - Reset Mode Register                                     5-5
 279  *-----------------------------------------------------------------------
 280  * turn on Checkstop Reset Enable
 281  */
 282 #define CONFIG_SYS_RMR          RMR_CSRE
 283
 284 /*-----------------------------------------------------------------------
 285  * BCR - Bus Configuration                                       4-25
 286  *-----------------------------------------------------------------------
 287  */
 288 #define CONFIG_SYS_BCR          BCR_EBM
 289
 290 /*-----------------------------------------------------------------------
 291  * SIUMCR - SIU Module Configuration                             4-31
 292  *-----------------------------------------------------------------------
 293  */
 294 #define CONFIG_SYS_SIUMCR       (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11)
 295
 296 /*-----------------------------------------------------------------------
 297  * SYPCR - System Protection Control                             4-35
 298  * SYPCR can only be written once after reset!
 299  *-----------------------------------------------------------------------
 300  * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
 301  */
 302 #if defined(CONFIG_WATCHDOG)
 303 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
 304                          SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
 305 #else
 306 #define CONFIG_SYS_SYPCR        (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
 307                          SYPCR_SWRI|SYPCR_SWP)
 308 #endif /* CONFIG_WATCHDOG */
 309
 310 /*-----------------------------------------------------------------------
 311  * TMCNTSC - Time Counter Status and Control                     4-40
 312  *-----------------------------------------------------------------------
 313  * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
 314  * and enable Time Counter
 315  */
 316 #define CONFIG_SYS_TMCNTSC      (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
 317
 318 /*-----------------------------------------------------------------------
 319  * PISCR - Periodic Interrupt Status and Control                 4-42
 320  *-----------------------------------------------------------------------
 321  * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
 322  * Periodic timer
 323  */
 324 #define CONFIG_SYS_PISCR        (PISCR_PS|PISCR_PTF|PISCR_PTE)
 325
 326 /*-----------------------------------------------------------------------
 327  * SCCR - System Clock Control                                   9-8
 328  *-----------------------------------------------------------------------
 329  * Ensure DFBRG is Divide by 16
 330  */
 331 #define CONFIG_SYS_SCCR (SCCR_DFBRG01)
 332
 333 /*-----------------------------------------------------------------------
 334  * RCCR - RISC Controller Configuration                         13-7
 335  *-----------------------------------------------------------------------
 336  */
 337 #define CONFIG_SYS_RCCR 0
 338
 339 #if defined(CONFIG_CMA282)
 340
 341 /*
 342  * Init Memory Controller:
 343  *
 344  * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM
 345  * and CS2 for (optional) local bus RAM on the CPU module.
 346  *
 347  * Note the motherboard address space (256 Mbyte in size) is connected
 348  * to the 60x Bus and is located starting at address 0. The Hard Reset
 349  * Configuration Word should put the 60x Bus into External Bus Mode, since
 350  * we dont set up any memory controller maps for it (see BCR[EBM], 4-26).
 351  *
 352  * (the *_SIZE vars must be a power of 2)
 353  */
 354
 355 #define CONFIG_SYS_CMA_CS0_BASE CONFIG_SYS_TEXT_BASE    /* EPROM */
 356 #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20)
 357 #if 0
 358 #define CONFIG_SYS_CMA_CS2_BASE 0x10000000      /* Local Bus SDRAM */
 359 #define CONFIG_SYS_CMA_CS2_SIZE (16 << 20)
 360 #endif
 361
 362 /*
 363  * CS0 maps the EPROM on the cpu module
 364  * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M
 365  *
 366  * Note: We must have already transferred control to the final location
 367  * of the EPROM before these are used, because when BR0/OR0 are set, the
 368  * mirror of the eprom at any other addresses will disappear.
 369  */
 370
 371 /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */
 372 #define CONFIG_SYS_BR0_PRELIM   ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V)
 373 /* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */
 374 #define CONFIG_SYS_OR0_PRELIM   (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\
 375                                 ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK)
 376
 377 /*
 378  * CS2 enables the Local Bus SDRAM on the CPU Module
 379  *
 380  * Will leave this unset for the moment, because a) my CPU module has no
 381  * SDRAM installed (it is optional); and b) it will require programming
 382  * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right
 383  * if you can't test it.
 384  */
 385
 386 #if 0
 387 /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */
 388 #define CONFIG_SYS_BR0_PRELIM   ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V)
 389 /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */
 390 #define CONFIG_SYS_OR2_PRELIM   ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/)
 391 #endif
 392
 393 #endif
 394 #endif  /* __CONFIG_H */