56 lines
2.5 KiB
Plaintext
56 lines
2.5 KiB
Plaintext
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#@TYPE: Machine
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#@NAME: NXP i.MX28 Evaluation Kit
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#@SOC: i.MX28
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#@DESCRIPTION: Machine configuration for NXP i.MX28 Evaluation Kit
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#@MAINTAINER: Otavio Salvador <otavio@ossystems.com.br>
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MACHINEOVERRIDES =. "mxs:mx28:"
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include conf/machine/include/imx-base.inc
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include conf/machine/include/arm/armv5/tune-arm926ejs.inc
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# This machine is not supported by u-boot-imx as it is not tested by NXP on this
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# board. So we force it to use u-boot-fslc which is based on mainline here.
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IMX_DEFAULT_BOOTLOADER = "u-boot-fslc"
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UBOOT_MAKE_TARGET = "u-boot.sb"
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UBOOT_SUFFIX = "sb"
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UBOOT_CONFIG ??= "sd"
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UBOOT_CONFIG[sd] = "mx28evk_config,sdcard"
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UBOOT_CONFIG[nand] = "mx28evk_nand_config,ubifs"
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UBOOT_CONFIG[sd-auart-console] = "mx28evk_auart_console_config,sdcard"
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KERNEL_DEVICETREE = "nxp/mxs/imx28-evk.dtb"
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SERIAL_CONSOLES = "115200;ttyAMA0"
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## Parameters for NAND IC part-# K9LBG08U0D-PCB0
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MKUBIFS_ARGS = "--min-io-size 4096 --leb-size 516096 --max-leb-cnt 8139"
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UBINIZE_ARGS = "--min-io-size 4096 --peb-size 524288 --sub-page-size 4096"
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MXSBOOT_NAND_ARGS = "-w 4096 -o 218 -e 524288"
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## To determine parameters' values, run "ubiattach -m 6 /dev/ubi_ctrl"
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## (assuming the rootfs device is /dev/mtd6). Here's an example:
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# # ubiattach -m 6 /dev/ubi_ctrl
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# [ 28.640396] UBI: attaching mtd6 to ubi0
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# [ 53.000817] UBI: scanning is finished
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# [ 53.126052] UBI: attached mtd6 (name "filesystem", size 4079 MiB) to ubi0
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# [ 53.133109] UBI: PEB size: 524288 bytes (512 KiB), LEB size: 516096 bytes
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# [ 53.140149] UBI: min./max. I/O unit sizes: 4096/4096, sub-page size 4096
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# [ 53.146895] UBI: VID header offset: 4096 (aligned 4096), data offset: 8192
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# [ 53.153931] UBI: good PEBs: 8139, bad PEBs: 20, corrupted PEBs: 0
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# [ 53.160263] UBI: user volume: 1, internal volumes: 1, max. volumes count: 128
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# [ 53.167444] UBI: max/mean erase counter: 2/1, WL threshold: 4096, image sequence number: 0
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# [ 53.175872] UBI: available PEBs: 4113, total reserved PEBs: 4026, PEBs reserved for bad PEB handling: 140
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# [ 53.189399] UBI: background thread "ubi_bgt0d" started, PID 217
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# UBI device number 0, total 8139 LEBs (4200505344 bytes, f GiB), available 4113 LEBs (2122702848 bytes, f GiB), LEB size 516096 bytes (f KiB)
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# --min-io-size: see "min./max. I/O unit sizes: " in the ubiattach output
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# --leb-size: see "LEB size:" in the ubiattach output
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# --max-leb-cnt: see "total <n> LEBs" in the ubiattach output, where <n> is the number you want
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# --peb-size: see "PEB size:" in the ubiattach output (pick the value in bytes)
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# --sub-page-size: see "sub-page size" in the ubiattach output
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