[PATCH] ARM: dts: imx6ull: fix ubi mount failed on MYS-6ULX-IOT board

From: dillon . minfei
Date: Tue Mar 09 2021 - 01:16:14 EST


From: dillon min <dillon.minfei@xxxxxxxxx>

This patch intend to fix ubi filesystem mount failed on MYS-6ULX-IOT board,
from Micron MT29F2G08ABAEAWP's datasheets, we need to choose 4-bit ECC.

Table 18: Error Management Details

Description Requirement

Minimum number of valid blocks (NVB) per LUN 2008
Total available blocks per LUN 2048
First spare area location x8: byte 2048 x16: word 1024
Bad-block mark x8: 00h x16: 0000h
Minimum required ECC 4-bit ECC per 528 bytes
Minimum ECC with internal ECC enabled 4-bit ECC per 516 bytes (user data) + 8
bytes (parity data)
Minimum required ECC for block 0 if PROGRAM/
ERASE cycles are less than 1000 1-bit ECC per 528 bytes

dillon min (1):
ARM: dts: imx6ull: fix ubi filesystem mount failed

arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts | 1 +
1 file changed, 1 insertion(+)

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2.7.4