I'm currently adding support to Zyxel NSA310, a Kirkwood-based NAS.
In the dtb I've set nand partitions like this (copied from my patch)
+&nand {
+ status = "okay";
+ chip-delay = <35>;
+
+ partition@0 {
+ label = "uboot";
+ reg = <0x0000000 0x0100000>;
+ read-only;
+ };
+ partition@100000 {
+ label = "uboot_env";
+ reg = <0x0100000 0x0080000>;
+ };
+ partition@180000 {
+ label = "ubi";
+ reg = <0x180000 0x7e00000>;
+ };
+};
when testing it with ramdisk, I get these nand partitions in the boot log:
[ 0.791892] nand: device found, Manufacturer ID: 0xec, Chip ID: 0xf1
[ 0.798279] nand: Samsung NAND 128MiB 3,3V 8-bit
[ 0.802939] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048,
OOB size: 64
[ 0.810563] Scanning device for bad blocks
[ 0.912527] 9 ofpart partitions found on MTD device orion_nand
[ 0.918381] Creating 9 MTD partitions on "orion_nand":
[ 0.923564] 0x000000000000-0x000000100000 : "uboot"
[ 0.930026] 0x000000100000-0x000000180000 : "uboot_env"
[ 0.936337] 0x000000180000-0x000007f80000 : "ubi"
[ 0.942391] 0x000000200000-0x000000280000 : "info"
[ 0.948252] 0x000000280000-0x000000c80000 : "etc"
[ 0.954089] 0x000000c80000-0x000001680000 : "kernel_1"
[ 0.960352] 0x000001680000-0x000004640000 : "rootfs1"
[ 0.966605] 0x000004640000-0x000005040000 : "kernel_2"
[ 0.972911] 0x000005040000-0x000008000000 : "rootfs2"
It is basically adding the other stock partitions after mine.
My dtb file is #importing a dtsi file, that (among other things)
contains the stock nand partition setup.
Is there a way to delete nand partitions defined in an upstream
#included file?
-Alberto
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