[U-Boot] No Partition in Flash Memoery under MTD

richardretanubun
2008-09-05T21:41:12Z

Hello,

FlyingWoWings wrote:
> Greetings,
> i am using ELDK 2.6.26 distribution on MPC8349emds,
> arch = powerpc, cross_compile = ppc_6xx-
>
> i've tried with uImage + FDT blob .dtb + uRamdisk
> and i've added flash mapping in .dts as follow:
>
> physmap-flash at 0xfc000000 {
> compatible = "amd,am29lv128ml", "cfi-flash";
> reg = <0xfc000000 0x04000000>;
> bank-width = <2>;
> device-width = <1>;
> #address-cells = <1>;
> #size-cells = <1>;
> uboot at 0 {
> label = "u-boot";
> reg = <0 0x000040000>;
> };
> uImage at 0x00080000 {
> label = "uImage";
> reg = <0x00080000 0x00100000>;
> };
>
> uRamdisk at 0x00180000 {
> label = "uRamdisk";
> reg = <0x00180000 0x00200000>;
> };
> mds at 0x00380000 {
> label = "MDS Device Tree";
> reg = <0x00380000 0x00800000>;
> };
>
> };
>
> when i boot up the kernel on the board, i tried
> # cat /proc/mtd
> dev: size erasesize name
> mtd0: 04000000 00020000 "physmap-flash.0"
>
> and
>
> # df
> Filesystem 1k-blocks Used Available Use% Mounted on
> /dev/ram0 5040 3756 1284 75% /
>
> it does not shows flash device with df, and no partition under /proc/mtd,
> can anybody help?
>
> in advance, thank you.
>
Is CONFIG_MTD_OF_PARTS turned on in your .config file? I think this is
the feature that allows the kernel to get mtd partition information from
the dtb blob.