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Subject: Re: DRAM 2MB -> DRAM 8MB
From: Vladimir Pantelic (pan_at_nt.tu-darmstadt.de)
Date: 2002-09-17


Warp Dag wrote:

  Yeah, but only if they plan to change the firmware to be able to deal
> with larger buffers, because now the firmware will only use 1/4 of the
> 8MB chip and consider it as a 2MB. As long as only a few of us is
> willing to open its jukebox to change the memory chip, I don't know if
> the team will consider that as a top-priority feature... I hope so!

I would say it's more or less only the linker script that will have to
be changed:

firmware/player.lds:

MEMORY
{
    DRAM : ORIGIN = 0x09000000, LENGTH = 0x200000 <----- here (0x800000)
    IRAM : ORIGIN = 0x0f000000, LENGTH = 0x1000
}

and

     .mp3buf :
     {
         _mp3buf = .;
     } > DRAM

     .mp3end 0x09200000 - 0x300: <---- here (0x09800000)
     {
         _mp3end = .;
     } > DRAM

Regards,

Vladimir



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