« Return to Thread: Trouble with redboot on SPANSION S29GL512N

Re: Trouble with redboot on SPANSION S29GL512N

by Gary Thomas :: Rate this Message:

Maxin John wrote:
> Dear Gary Thomas,
>
> Thank you very much. But I am a bit consfused. I would like to know
> where I need to modify that. So how user can change the memory layout
> if he wants to change ?
> I not sure that I am suppossed to change the *.ldi files. So am I
> suppossed to change the size in *.h or *.mlt file and recompile
> again ?

The current files (as provided by Cirrus) only map 16MB for FLASH.
You'll need to make adjustments in 3 places to handle your 64MB device.
hal/arm/arm9/ep93xx/v2_0/include/pkgconf/mlt_arm_arm9_edb9301_romram.h
hal/arm/arm9/ep93xx/v2_0/include/pkgconf/mlt_arm_arm9_edb9301_romram.ldi
hal/arm/arm9/ep93xx/v2_0/include/hal_platform_setup.h

>
> On 4/19/07, Gary Thomas <gary@...> wrote:
>> Maxin B John wrote:
>> > Dear all,
>> >
>> > I have compiled ECOS to support AMD/SPANSION S29GL512N flash for
>> EP9301 .
>> > I have compiled the the redboot.bin but on booting , the system hangs.
>> > The flash_am29xxxxx_parts.inl is modified like this
>> >
>> > #ifdef CYGHWR_DEVS_FLASH_AMD_S29GL512N
>> > {
>> > //AMD/SPANSION S29GL512N
>> > long_device_id:true,
>> > device_id: FLASHWORD(0x227e),
>> > device_id2: FLASHWORD(0x2223),
>> > device_id3: FLASHWORD(0x2221),
>> > block_size:0x20000 * CYGNUM_FLASH_INTERLEAVE,
>> > block_count:512,
>> > device_size:0x4000000 * CYGNUM_FLASH_INTERLEAVE,
>> > base_mask:~(0x4000000 * CYGNUM_FLASH_INTERLEAVE-1),
>> > bootblock : false,
>> > banked :false,
>> > },
>> > #endif
>> >
>> > Please let me know if anyone had successfully compiled the redboot with
>> > SPANSION S29GL512N with EP9301.
>>
>> Make sure your memory map (which on ARM includes some
>> assembly tables) have been adjusted to handle the FLASH.
>> If they are not able to handle the entire size (64MB in
>> this case), then RedBoot will hang/die.

--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------

« Return to Thread: Trouble with redboot on SPANSION S29GL512N