[PATCH] ramips: add support for Notion R281 (mtd5)

[Bjørn Mork]

Ian Pangilinan <ian.pangilinan at upd.edu.ph> writes:

> The device comes in two variants depending on where the bootloader
> loads the kernel. One variant where the bootloader loads at 0xbc140000
> (mtd4), and another at 0xbe800000 (mtd5). This patch is for the latter.
> I haven't found a way to change this behavior, so I'm making a
> distinction between the two.
>
> This is the MTD partitions from the stock firmware:
>
> 0x000000000000-0x000007f80000 : "ALL"
> 0x000000000000-0x000000080000 : "Bootloader"
> 0x000000080000-0x000000100000 : "Config"
> 0x000000100000-0x000000140000 : "Factory"
> 0x000000140000-0x000002800000 : "firmware1"
> 0x000002800000-0x000004ec0000 : "firmware2"
> 0x000002996dfc-0x000004ec0000 : "rootfs"
> 0x000003180000-0x000004ec0000 : "rootfs_data"
> 0x000004ec0000-0x000007f00000 : "ota"
> 0x000007f00000-0x000007f80000 : "Configbak"
>
> This is how it looks when flashed to OpenWrt with this patch:
>
> 0x000000000000-0x000000080000 : "u-boot"
> 0x000000080000-0x0000000a0000 : "u-boot-env"
> 0x000000100000-0x000000140000 : "factory"
> 0x000000140000-0x000002800000 : "ubiconcat0"
> 0x000002800000-0x000002c00000 : "kernel"
> 0x000002c00000-0x000007f00000 : "ubiconcat1"
> 0x000007f00000-0x000007f80000 : "configbak"
> 0x000000000000-0x0000079c0000 : "ubi"


This sounds strange.  The above looks like a pretty common dual
partition scheme, where one or more variables in the
"Config"/"u-boot-env" partition decides which system partition is booted
by default.

Could you please dump the contents of "Config"/"u-boot-env"?  Are you
100% sure there isn't anything there telling U-Boot which partition is
active?


Bjørn