From: Mario Domenech Goulart Date: Thu, 3 Oct 2013 19:27:38 +0000 (-0300) Subject: imx28evk: add NAND support X-Git-Tag: 2.1~1180 X-Git-Url: https://code.ossystems.io/gitweb?a=commitdiff_plain;h=edbc16f649615de34c0f0752b9702f22bb1ae0a5;p=meta-freescale.git imx28evk: add NAND support Change-Id: Id37d371e2c2f3218654e1d736dde2ac1ba73dfda Signed-off-by: Mario Domenech Goulart --- diff --git a/meta-fsl-arm/conf/machine/imx28evk.conf b/meta-fsl-arm/conf/machine/imx28evk.conf index f68a23ea..93d33b82 100644 --- a/meta-fsl-arm/conf/machine/imx28evk.conf +++ b/meta-fsl-arm/conf/machine/imx28evk.conf @@ -23,3 +23,31 @@ IMAGE_FSTYPES ?= "tar.bz2 ext3 uboot.mxsboot-sdcard sdcard" SERIAL_CONSOLE = "115200 ttyAMA0" MACHINE_FEATURES = "apm usbgadget usbhost vfat alsa touchscreen" + +## Parameters for NAND IC part-# K9LBG08U0D-PCB0 + +MKUBIFS_ARGS = "--min-io-size 4096 --leb-size 516096 --max-leb-cnt 8139" +UBINIZE_ARGS = "--min-io-size 4096 --peb-size 524288 --sub-page-size 4096" + +## To determine parameters' values, run "ubiattach -m 6 /dev/ubi_ctrl" +## (assuming the rootfs device is /dev/mtd6). Here's an example: + +# # ubiattach -m 6 /dev/ubi_ctrl +# [ 28.640396] UBI: attaching mtd6 to ubi0 +# [ 53.000817] UBI: scanning is finished +# [ 53.126052] UBI: attached mtd6 (name "filesystem", size 4079 MiB) to ubi0 +# [ 53.133109] UBI: PEB size: 524288 bytes (512 KiB), LEB size: 516096 bytes +# [ 53.140149] UBI: min./max. I/O unit sizes: 4096/4096, sub-page size 4096 +# [ 53.146895] UBI: VID header offset: 4096 (aligned 4096), data offset: 8192 +# [ 53.153931] UBI: good PEBs: 8139, bad PEBs: 20, corrupted PEBs: 0 +# [ 53.160263] UBI: user volume: 1, internal volumes: 1, max. volumes count: 128 +# [ 53.167444] UBI: max/mean erase counter: 2/1, WL threshold: 4096, image sequence number: 0 +# [ 53.175872] UBI: available PEBs: 4113, total reserved PEBs: 4026, PEBs reserved for bad PEB handling: 140 +# [ 53.189399] UBI: background thread "ubi_bgt0d" started, PID 217 +# UBI device number 0, total 8139 LEBs (4200505344 bytes, f GiB), available 4113 LEBs (2122702848 bytes, f GiB), LEB size 516096 bytes (f KiB) + +# --min-io-size: see "min./max. I/O unit sizes: " in the ubiattach output +# --leb-size: see "LEB size:" in the ubiattach output +# --max-leb-cnt: see "total LEBs" in the ubiattach output, where is the number you want +# --peb-size: see "PEB size:" in the ubiattach output (pick the value in bytes) +# --sub-page-size: see "sub-page size" in the ubiattach output