Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Vladimir Pantelic
Dechesne, Nicolas wrote: On Thu, Jun 30, 2011 at 9:24 AM, Vladimir Pantelic mailto:vlado...@gmail.com>> wrote: would you be able to come up with a short list of "fixes" that have been done? the notable problem fixed in OMAP4 vs OMAP3 boot code is related to how the ROM code will read th

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Dechesne, Nicolas
On Thu, Jun 30, 2011 at 9:24 AM, Vladimir Pantelic wrote: > would you be able to come up with a short list of "fixes" that have been > done? > the notable problem fixed in OMAP4 vs OMAP3 boot code is related to how the ROM code will read the FAT table. in OMAP3 if you keep replacing the MLO/uboot

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Andy Green
On 06/30/2011 08:11 AM, Somebody in the thread at some point said: Hi - yes, some OMAP3 problems were fixed in the OMAP4 ROM code based on the feedback from linux/SD card users. I think it pretty much reached perfection on OMAP4 for SD boot case anyway. In fact a VFAT and partition parser i

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Vladimir Pantelic
Dechesne, Nicolas wrote: ROM being ROM, it can't be upgraded, however, unlike in OMAP3 the ROM in OMAP4 stuff seems pretty much perfect for SD Card boot case, it doesn't care about any arcane stuff like geometry for example. It only needs to success to pull MLO reliably and anythi

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Vladimir Pantelic
Andy Green wrote: I think we can count that as arcarna... but I think we're talking about different problems, and that the ROM fragility to partitioning on OMAP3 is real enough. On an IGEP0020 I was unable to create a bootable image -- one that would boot x-loader so it would talk on the serial

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Dechesne, Nicolas
andy, paul, On Thu, Jun 30, 2011 at 6:26 AM, Andy Green wrote: > Nicolas already gave a rundown but the short answer is the ROM can drive > the MMC hardware of the OMAP4, talk SD-HC protocol, parse your partition > table and FAT filesystem on your SD Card, and will load and execute a file > of t

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Andy Green
On 06/30/2011 08:00 AM, Somebody in the thread at some point said: Andy Green wrote: ROM being ROM, it can't be upgraded, however, unlike in OMAP3 the ROM in OMAP4 stuff seems pretty much perfect for SD Card boot case, it doesn't care about any arcane stuff like geometry for example. It only ne

Re: Pandaboard is / x-loader flow and official branch

2011-06-30 Thread Vladimir Pantelic
Andy Green wrote: ROM being ROM, it can't be upgraded, however, unlike in OMAP3 the ROM in OMAP4 stuff seems pretty much perfect for SD Card boot case, it doesn't care about any arcane stuff like geometry for example. It only needs to success to pull MLO reliably and anything further can be don

Re: Pandaboard is / x-loader flow and official branch

2011-06-29 Thread Andy Green
On 06/29/2011 11:06 PM, Somebody in the thread at some point said: Hi - Btw I don't yet fully understand Panda boot architecture. This X-Loader appear to come from SD card. But what boots it then? How that piece is called, where it comes from, how it should be upgraded, and is that ever needed?