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Date: Tue, 2 Dec 2008 21:50:33 -0500
From: Sean MacLennan <smaclennan@pikatech.com>
To: "Norbert van Bolhuis" <nvbolhuis@aimvalley.nl>
Subject: Re: NAND only (no NOR)
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On Tue, 02 Dec 2008 09:55:24 +0100
"Norbert van Bolhuis" <nvbolhuis@aimvalley.nl> wrote:

> 
> Nowadays, do many (PowerPC) embedded devices already risk omitting
> NOR flash and use a NAND device solely for booting and storing
> images ?
> 
> I'm talking about systems with 10 years life-cycle (so no
> MP3-players nor medical systems but somewhere in between).
> 
> We have a MPC8313E-RDB and I know booting from NAND is
> possible. U-boot seems to support it well, I assume it can read
> the kernel, ramdisk and dtb from NAND in memory and bootm this.

We use a 256M NAND on the PIKA Warp appliance and where unable to boot
u-boot from the NAND. It worked on a smaller 64M NAND.

So we put our FPGA and u-boot in a small NOR. The kernel, rootfs and
other files are on the NAND.

Cheers,
   Sean