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//==========================================================================

//

//      redboot_cmds.c

//

//      OMAP1510DC EVM [platform] specific RedBoot commands

//

//==========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos is distributed in the hope that it will be useful, but WITHOUT      

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    Patrick Doyle <wpd@delcomsys.com>

// Contributors: Patrick Doyle <wpd@delcomsys.com>

// Date:         2002-11-27

// Purpose:      

// Description:  

//              

// This code is part of RedBoot (tm).  It was modified from "redboot_cmds"

// for the iPaq by wpd in order to add some platform specific commands to

// the OMAP1510DC EVM platform.

//

//####DESCRIPTIONEND####

//

//==========================================================================

#include <redboot.h>

#include <cyg/hal/hal_intr.h>

#include <cyg/hal/hal_cache.h>

#include <cyg/hal/hal_io.h>

#include <cyg/hal/hal_diag.h>

#include <cyg/hal/innovator.h>

static void do_mem(int argc, char *argv[]);

static void do_try_reset(int argc, char *argv[]);

static void do_testsdram(int argc, char *argv[]);

static void do_delay(int argc, char *argv[]);

RedBoot_cmd("mem",

            "Set a memory location",

            "[-h|-b] [-n] [-a <address>] <data>",

            do_mem

    );

RedBoot_cmd("try_reset",

            "try to reset the platform",

            "[-1|-2|-3|-4]",

            do_try_reset

    );

RedBoot_cmd("testsdram",

            "test SDRAM (very simply)",

            "[-l length]",

            do_testsdram

    );

RedBoot_cmd("delay",

            "delay specified number of usecs",

            "[-c count] amount",

            do_delay

    );

static void

do_mem(int argc,

       char *argv[])

{

  struct option_info opts[4];

  bool mem_half_word, mem_byte;

  bool no_verify = false;

  static int address = 0x00000000;

  int value;

  init_opts(&opts[0], 'b', false, OPTION_ARG_TYPE_FLG,

            (void**)&mem_byte, 0, "write a byte");

  init_opts(&opts[1], 'h', false, OPTION_ARG_TYPE_FLG,

            (void**)&mem_half_word, 0, "write a half-word");

  init_opts(&opts[2], 'a', true, OPTION_ARG_TYPE_NUM,

            (void**)&address, NULL, "address to write at");

  init_opts(&opts[3], 'n', false, OPTION_ARG_TYPE_FLG,

            (void**)&no_verify, 0, "noverify");

  if (!scan_opts(argc, argv,

                 1,

                 opts, sizeof(opts) / sizeof(opts[0]),

                 (void*)&value, OPTION_ARG_TYPE_NUM, "address to set")) {

    return;

  }

  if ( mem_byte && mem_half_word ) {

    diag_printf("*ERR: Should not specify both byte and half-word access\n");

  } else if ( mem_byte ) {

    *(cyg_uint8*)address = (cyg_uint8)(value & 255);

    if (no_verify) {

      diag_printf("  Set 0x%08X to 0x%02X\n",

                  address, value & 255);

    } else {

            diag_printf("  Set 0x%08X to 0x%02X (result 0x%02X)\n",

                  address, value & 255, (int)*(cyg_uint8*)address );

    }

  } else if ( mem_half_word ) {

    if ( address & 1 ) {

      diag_printf( "*ERR: Badly aligned address 0x%08X for half-word store\n",

                   address );

    } else {

      *(cyg_uint16*)address = (cyg_uint16)(value & 0xffff);

      if (no_verify) {

        diag_printf("  Set 0x%08X to 0x%04X\n",

                    address, value & 0xffff);

      } else {

        diag_printf("  Set 0x%08X to 0x%04X (result 0x%04X)\n",

                    address, value & 0xffff, (int)*(cyg_uint16*)address );

      }

    }

  } else {

    if ( address & 3 ) {

      diag_printf( "*ERR: Badly aligned address 0x%08X for word store\n",

                   address );

    } else {

      *(cyg_uint32*)address = (cyg_uint32)value;

      if (no_verify) {

        diag_printf("  Set 0x%08X to 0x%08X\n",

                    address, value);

      } else {

        diag_printf("  Set 0x%08X to 0x%08X (result 0x%08X)\n",

                    address, value, (int)*(cyg_uint32*)address );

      }

    }

  }

}

static void

do_try_reset(int argc,

             char *argv[])

{

  struct option_info opts[4];

  bool flag_1 = false;

  bool flag_2 = false;

  bool flag_3 = false;

  bool flag_4 = false;

  cyg_uint16 tmp = 0;

  init_opts(&opts[0], '1', false, OPTION_ARG_TYPE_FLG,

            (void**)&flag_1, 0, "only try phase 1");

  init_opts(&opts[1], '2', false, OPTION_ARG_TYPE_FLG,

            (void**)&flag_2, 0, "try phase 1 & phase 2");

  init_opts(&opts[2], '3', false, OPTION_ARG_TYPE_FLG,

            (void**)&flag_3, 0, "try phase 1 through phase 3");

  init_opts(&opts[3], '4', false, OPTION_ARG_TYPE_FLG,

            (void**)&flag_4, 0, "try phase 1 through phase 4");

  if (!scan_opts(argc, argv,

                 1,

                 opts, sizeof(opts) / sizeof(opts[0]),

                 0, 0, 0)) {

    return;

  }

  diag_printf("flag_4 = %d, flag_3 = %d, flag_2 = %d, flag_1 = %d\n",

              flag_4, flag_3, flag_2, flag_1);

  if (flag_4) {

    flag_3 = flag_2 = flag_1 = true;

  } else if (flag_3) {

    flag_2 = flag_1 = true;

  } else if (flag_2) {

    flag_1 = true;

  }

  diag_printf("flag_4 = %d, flag_3 = %d, flag_2 = %d, flag_1 = %d\n",

              flag_4, flag_3, flag_2, flag_1);

  if (flag_1) {

    HAL_READ_UINT16(CLKM_ARM_IDLECT2, tmp);

    diag_printf("tmp = %04X\n", tmp);

  }

  if (flag_2) {

    tmp |= 1;

    diag_printf("Writing %04X to %08X\n", tmp, CLKM_ARM_IDLECT2);

    HAL_WRITE_UINT16(CLKM_ARM_IDLECT2, tmp | 1);

  }

  if (flag_3) {

    diag_printf("Writing %04X to %08X\n", 0x80F5, WATCHDOG_TIMER_MODE);

    HAL_WRITE_UINT16(WATCHDOG_TIMER_MODE, 0x80F5); \

  }

  if (flag_4) {

    diag_printf("Writing %04X to %08X\n", 0x80F5, WATCHDOG_TIMER_MODE);

    HAL_WRITE_UINT16(WATCHDOG_TIMER_MODE, 0x80F5); \

  }

  diag_printf("try_reset: done\n");

}

#define SDRAM_BASE 0x10000000

#define SDRAM_LEN  (32*1024*1024)       /* 32 Mbytes */

static void

do_testsdram(int argc,

             char *argv[])

{

  cyg_uint32 *mem_addr = (cyg_uint32 *)SDRAM_BASE;

  unsigned    len;

  bool        len_set;

  register int i;

  struct option_info opts[1];

  init_opts(&opts[0], 'l', true, OPTION_ARG_TYPE_NUM,

            (void**)&len, &len_set, "length");

  if (!scan_opts(argc, argv,

                 1,

                 opts, 1,

                 0, 0, 0)) {

    return;

  }

  if (!len_set) {

    len = SDRAM_LEN / 4;

  }

  diag_printf("Length = 0x%08X\n", len);

  diag_printf("Writing data-equals-address pattern to SDRAM\n");

  for (i = 0; i < len; i++) {

    mem_addr[i] = ~(cyg_uint32)(mem_addr + i);

  }

  diag_printf("Reading back pattern\n");

  for (i = 0; i < len; i++) {

    if (mem_addr[i] != ~(cyg_uint32)(mem_addr + i)) {

      diag_printf("Error: mismatch at address %p, read back 0x%08x\n",

                  mem_addr + i,

                  mem_addr[i]);

      break;

    }

  }

  diag_printf("Done\n");

}

static void

do_delay(int argc,

         char *argv[])

{

  struct option_info opts[1];

  int count = 0x00000000;

  bool count_set;

  int value;

  register int i;

  init_opts(&opts[0], 'c', true, OPTION_ARG_TYPE_NUM,

            (void**)&count, &count_set, "Number of times to delay");

  if (!scan_opts(argc, argv,

                 1,

                 opts, sizeof(opts) / sizeof(opts[0]),

                 (void*)&value, OPTION_ARG_TYPE_NUM, "amount of time to delay (usec)")) {

    return;

  }

  if (!count_set) {

    count = 1;

  }

  for (i = 0; i < count; i++) {

    diag_printf("Delaying %d useconds...", value);

    HAL_DELAY_US(value);

    diag_printf("Done\n");

  }

}

#endif