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Discussion Groups | TMS320C6x | Regarding TMS320C6727 DSP ROM On-chip bootloader

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

  

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Regarding TMS320C6727 DSP ROM On-chip bootloader - Chsekhar Prattipati - May 19 10:38:52 2008

hi 
  this is chandrasekhar.. my board is having TMS320C6727 DSP with EEPROM(8k),
RTC etc., the primary bootloader is copying first 4K of bootcode  from EEPROM
into RAM and it is executing..
now i want to copy next 4K from EEPROM.. is there any pre-defined  routines
available to copy it to RAM? 
Can anyone help me in solving this problem?
Thanks and Regards
Chandrasekhar


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Re: Regarding TMS320C6727 DSP ROM On-chip bootloader - iddq...@gmail.com - May 20 0:31:40 2008

HI Chandrasekhar

According to the bootloader guide, the bootloader copying first 4K of bootcode
from EEPROM into RAM. The system then distribute the rest of application code
into the RAM (internal or external) based on the first 4K.
So as long as you define all the section to internal RAM in the link file
(.cmd). The DSP will do the rest for you.

Good luck 
Peter
hi 
>  this is chandrasekhar.. my board is having TMS320C6727 DSP with
EEPROM(8k), RTC etc., the primary bootloader is copying first 4K of bootcode 
from EEPROM into RAM and it is executing..
>now i want to copy next 4K from EEPROM.. is there any pre-defined  routines
available to copy it to RAM? 
>Can anyone help me in solving this problem?
>Thanks and Regards
>Chandrasekhar
>




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Re: Regarding TMS320C6727 DSP ROM On-chip bootloader - Richard Williams - May 20 7:39:46 2008

Chsekhar,

One of the standard library functions will do the job very nicely.

That function is memcopy()

written as 
memcopy( void * flash address, void * RAM address, UTYPE length in addresses);

R. Williams
---------- Original Message -----------
From: Chsekhar Prattipati <c...@yahoo.com>
To: c...@yahoogroups.com
Sent: Mon, 19 May 2008 07:18:20 -0700 (PDT)
Subject: [c6x] Regarding TMS320C6727 DSP ROM On-chip bootloader

> hi
>   this is chandrasekhar.. my board is having TMS320C6727 DSP with
EEPROM(8k), RTC etc.,
>  the primary bootloader is copying first 4K of bootcode  from EEPROM into
RAM and it is executing..
> now i want to copy next 4K from EEPROM.. is there any pre-defined  routines
available to 
> copy it to RAM? Can anyone help me in solving this problem? Thanks and
Regards Chandrasekhar
------- End of Original Message -------






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