Re: [microblaze-uclinux] Booting from system ace

["Nathan Hillery" <nhillery1@xxxxxxxxx>]

I lied a little;-) My board has flash, but only enough to program the FPGA.
I have fs-boot working from bram (it is selected to initialize block
ram) and it works - at least it starts and accepts an s-rec file.
However, it doesn't seem to know about the flash in system ace,
so it doesn't write the downloaded file correctly.  To get around
that, I was trying to get u-boot to build with system ace support, but
haven't been able to get it to compile successfully.

I have found a potential solution in "Software Platform Settings" ->
"OS and Libraries" configuration for petalinux. This allows you to
select the "Name of Flash Memory Controller" for petalinux, but won't
recognize any variation on the name in my design.  The core is
xps_sysace and my instance is SysACE_CompactFlash.

On Mon, Oct 13, 2008 at 3:26 PM, Juan Pablo Gómez <juanwalker@xxxxxxxxx> wrote:
> Hi Nathan, did you have copy the fs-boot executable to the compact flash.?
> This is the first step
>
> 2008/10/13 Nathan Hillery <nhillery1@xxxxxxxxx>
>>
>> I'm trying to get petalinux (really u-boot, I guess) to boot from
>> system ace (my board has no other flash device).  I'm somewhat
>> confused about how I am supposed to make sysace show up as a flash
>> memory device to petalinux/u-boot.  When I try to build, I get the
>> error:
>>
>> u-boot/petalinux-uboot-config: line 177: + : syntax error: operand
>> expected (error token is " ")
>>
>> Line 177 of u-boot/petalinux-uboot-config is:
>>                if [ $((${PAR_ADDR[$CNT]} + ${PAR_SIZE[$CNT]})) -gt
>> $(($FLASH_START + $FLASH_SIZE)) ]; then
>>
>> FLASH_START & FLASH_SIZE are not set, which is causing the syntax error.
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>>
>
>
>
> --
> Muchas gracias.
>
> Atentamente, Juan Pablo Gómez
>

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