From 91994facdd2d71f050ee199f508dcc15e7a3a29f Mon Sep 17 00:00:00 2001 From: Pekon Gupta Date: Wed, 5 Feb 2014 18:58:31 +0530 Subject: [PATCH] ARM: dts: am335x-evm: NAND: update MTD partition table 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 Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am335x-evm.dts | 48 +++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 23 deletions(-) diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 7e6c64e..17c3cc0 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -460,50 +460,52 @@ gpmc,wait-monitoring-ns = <0>; gpmc,wr-access-ns = <40>; gpmc,wr-data-mux-bus-ns = <0>; - - #address-cells = <1>; - #size-cells = <1>; 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>; 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>; }; }; }; -- 2.7.4