Unlocking Intel K3 StrataFlash at boot time

[Christopher Hoover]

I use the following:

http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=1040/1

However, if you search the archives, you'll find discussions of better
solutions (which haven't been implemented yet).

-ch


> -----Original Message-----
> From: linux-mtd-bounces at lists.infradead.org 
> [mailto:linux-mtd-bounces at lists.infradead.org] On Behalf Of 
> Dominic Duval
> Sent: Tuesday, April 22, 2003 5:31 PM
> To: linux-mtd at lists.infradead.org
> Subject: Unlocking Intel K3 StrataFlash at boot time
> 
> 
> Hi,
> 
> I'm currently trying to boot from a XScale board which has some Intel
> StrataFlash banks (K3). However, it appears that the K3 flash 
> in locked by
> default, so I'm getting some errors when the root partition 
> is mounted by
> the Kernel in read/write mode.
> 
> I figured the only way to work around this problem is to unlock the K3
> Flash before the Kernel mounts the root partition. Since our 
> own bootloader
> doesn't support the K3 Flash, the only place left is right in 
> the Kernel,
> probably just before the MTD device gets mounted.
> 
> I'd therefore like to know if this has been done before. If 
> it has not, am
> I on the right track here? And is there a place in the mtd 
> code which would
> be particularly well suited for placing the unlocking stuff? 
> 
> I'm no expert in MTD Flash devices, so your advice will be 
> appreciated.
> 
> Cheers,
> 
> 		-Dominic
> 
> -- 
> Dominic Duval
> dduval at oerlikon.ca
> 
> 
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>