[PATCH 2/3 Try#2] NOR Flash Support (U-Boot env)
graeme at openmoko.org
Wed Dec 26 18:30:02 CET 2007
On Wed, 26 Dec 2007 17:12:46 +0000
Andy Green <andy at openmoko.com> wrote:
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> Somebody in the thread at some point said:
> > On Mon, 24 Dec 2007 15:32:42 +0100
> > Harald Welte <laforge at openmoko.org> wrote:
> >> On Mon, Dec 24, 2007 at 10:11:28AM +0000, Andy Green wrote:
> >>> If the kernel that devirginator drops in the device on GTA-01 also
> >>> has the NOR patch, it will create a (useless, but logically
> >>> present) MTD device representing the (IIRC, on GTA-01 nonexistent)
> >>> NOR device's footprint and make the partitions match up. The MTD
> >>> ROM support should accept it despite the Flash probe would fail,
> >>> so it is one way to get a unified behaviour.
> >> this is not good. Since GTA01 is already deployed, I think it will
> >> generate a nightmare for updating and compatibility. GTA01
> >> partition tables have to be as-is.
> > I can see this playing havoc with the upgrade kernel by ipkg stuff.
> Is that really beyond us?
> $ cat /proc/mtd | grep kernel | cut -d':' -f1 | sed \
> $ cat /proc/mtd | grep rootfs | cut -d':' -f1 | sed \
No, but what if its the wrong kernel version, ie you flash the one
without NOR in a nor u-boot, or the one with NOR in the non nor
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