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ARM: dts: am335x-evm: NAND: update MTD partition table

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This patch has following updates, specific to MTD/NAND DT
 - update MTD NAND partition table to keep compatibility between
   different boards and mainline u-boot.
 - prefix 'NAND.' in names of NAND device MTD partitions to differentiate them
   from other MTD device partitions (like NOR and QSPI)
               Partition_Name            Partition_Size
    /dev/mtd0  NAND.SPL                  1 block-size*
    /dev/mtd1  NAND.SPL.backup1          1 block-size*
    /dev/mtd2  NAND.SPL.backup2          1 block-size*
    /dev/mtd3  NAND.SPL.backup3          1 block-size*
    /dev/mtd5  NAND.u-boot-spl-os        2 block-size* [for falcon boot]
    /dev/mtd4  NAND.u-boot               1 MB
    /dev/mtd6  NAND.u-boot-env           1 block-size*
    /dev/mtd7  NAND.u-boot-env.backup1   1 block-size*
    /dev/mtd8  NAND.kernel               till 0xA00000
    /dev/mtd9  NAND.file-system          till end of device

* am335x-evm uses NAND device with block-size=128KiB

Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Pekon Gupta 2014-02-05 18:58:31 +05:30 committed by Tony Lindgren
parent 0611c41934
commit 91994facdd
1 changed files with 25 additions and 23 deletions
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48
arch/arm/boot/dts/am335x-evm.dts
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@ -460,50 +460,52 @@ nand@0,0 {
gpmc,wait-monitoring-ns = <0>;
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
elm_id = <&elm>;
/* MTD partition table */
/* All SPL-* partitions are sized to minimal length
* which can be independently programmable. For
* NAND flash this is equal to size of erase-block */
#address-cells = <1>;
#size-cells = <1>;
elm_id = <&elm>;
/* MTD partition table */
partition@0 {
label = "SPL1";
label = "NAND.SPL";
reg = <0x00000000 0x000020000>;
};
partition@1 {
label = "SPL2";
label = "NAND.SPL.backup1";
reg = <0x00020000 0x00020000>;
};
partition@2 {
label = "SPL3";
label = "NAND.SPL.backup2";
reg = <0x00040000 0x00020000>;
};
partition@3 {
label = "SPL4";
label = "NAND.SPL.backup3";
reg = <0x00060000 0x00020000>;
};
partition@4 {
label = "U-boot";
reg = <0x00080000 0x001e0000>;
label = "NAND.u-boot-spl";
reg = <0x00080000 0x00040000>;
};
partition@5 {
label = "environment";
reg = <0x00260000 0x00020000>;
label = "NAND.u-boot";
reg = <0x000C0000 0x00100000>;
};
partition@6 {
label = "Kernel";
reg = <0x00280000 0x00500000>;
label = "NAND.u-boot-env";
reg = <0x001C0000 0x00020000>;
};
partition@7 {
label = "File-System";
reg = <0x00780000 0x0F880000>;
label = "NAND.u-boot-env.backup1";
reg = <0x001E0000 0x00020000>;
};
partition@8 {
label = "NAND.kernel";
reg = <0x00200000 0x00800000>;
};
partition@9 {
label = "NAND.file-system";
reg = <0x00A00000 0x0F600000>;
};
};
};