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Re: Redboot - Cirrus EP9315 and Spansion S29GL512N problem


We're still having problems...

Is there anywhere else in the code that I need to be looking?

On Thu, 06 Dec 2007 15:29:22 +1000, "Hasjim Williams"
<sourceware.ecos-devel@lists.futaris.org> said:
> I think I found the problem (which was MMU related):
> 
> --- packages/hal/arm/arm9/ep93xx/current/include/hal_platform_setup.h
> +++ packages/hal/arm/arm9/ep93xx/current/include/hal_platform_setup.h
> @@ -494,20 +494,20 @@
>      //
>      // Create a read-write mapping of FLASH at virtual address
>      0x6000_0000.
>      //
>      add     r1, r0, #0x00001800
>  #if defined(HAL_PLATFORM_EP9301) || defined(HAL_PLATFORM_EP9302)
>      mov     r2, #0x00000040
>  #else
>      // If you are using a Flash size of 64MB you need this value here
> -    // mov     r2, #0x00000100 // 64MB
> -    mov     r2, #0x00000080 // 32MB
> +    mov     r2, #0x00000100 // 64MB
> +    // mov     r2, #0x00000080 // 32MB
> #endif
>      orr     r3, r12, #0x00000012
>      orr     r3, r3, #0x00000c00
>  map_flash_6:
>          str     r3, [r1], #4
>          add     r3, r3, #0x00100000
>          subs    r2, r2, #4
>          bne     map_flash_6
> 
> Thanks for your help...  Just didn't know where to look in redboot
> source.
> 
> On Thu, 6 Dec 2007 05:29:02 +0100, "Manfred Gruber" <m.gruber@tirol.com>
> said:
> > hi !
> > 
> > i have worked for a company where ep93xx and spansion flashes are used,
> > please 
> > look at http://dev.contec.at, there i have made a redboot bootloader
> > which 
> > can handle such flashes, but i have used flash_v2 branche, so it will not 
> > help u.
> > 
> > > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > 
> > this things i have only seen if the mmu is set up wrong, so maybe it
> > helps 
> > check your mmu settings in redboot. maybe the 512 chip adresses obverlap 
> > somewhere...
> > 
> > regards manfred
> >  mfg
> > 	Manfred Gruber
> > 	Software Engineering
> > 	m.gruber@tirol.com
> > 	http://www.manfred-gruber.at.tt
> > 	http://www.myspace.com/fredl_grma  
> > 
> > Am Thursday 06 December 2007 schrieb Hasjim Williams:
> > > Hello everyone,
> > >
> > > I'm having problems getting my ARM920T based EP9315 board to work with
> > > 64MB flash.  We have 64MB of RAM onboard.  We previously had S29GL128N
> > > and S29GL256N parts on the board, and haven't been able to get Redboot
> > > to boot up correctly with the S29GL512N.  It works fine with the
> > > S29GL256N or S29GL128N still.
> > >
> > > As soon as it boots up, it spits out this error message, constantly:
> > >
> > > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > > #dd$T0a0f:f06a0100;0d:f07e0400;#dd$T0a0f:f06a0100;0d:f07e0400;
> > >
> > > Can anyone suggest anything that I'm missing:
> > >
> > > packages/devs/flash/arm/edb9312/current/cdl/flash_edb9312_a_amd.cdl:
> > >
> > >     requires      CYGHWR_DEVS_FLASH_AMD_S29GL128N
> > >     requires      CYGHWR_DEVS_FLASH_AMD_S29GL256N
> > >     requires      CYGHWR_DEVS_FLASH_AMD_S29GL512N
> > >
> > > packages/hal/arm/arm9/ep93xx/current/include/conf/mlt_arm9_edb9315a_romram.
> > >ldi:
> > >
> > > MEMORY
> > > {
> > >     ram : ORIGIN = 0, LENGTH = 0x10000000
> > >     rom : ORIGIN = 0x60000000, LENGTH = 0x8000000
> > > }
> > >
> > > packages/hal/arm/arm9/ep93xx/current/include/conf/mlt_arm9_edb9315a_romram.
> > >h:
> > >
> > > #define CYGMEM_REGION_rom (0x60000000)
> > > #define CYGMEM_REGION_rom_SIZE (0x8000000)
> > > #define CYGMEM_REGION_rom_ATTR (CYGMEM_REGION_ATTR_R)
> > >
> > > Thanks for any suggestions,
> > >
> > >
> > > Hasjim Williams


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