imx28 gpmi nand driver in linux kernel

[liuxing]

when ubi driver try to attach mtd block,the dma time out will occurs.the page address is not fixed,it's random.

However,the nand read/write process is very stable in uboot.

The kernel version is  4.19.4.

[ 3.499411] ubi0: default fastmap pool size: 25
[ 3.504350] ubi0: default fastmap WL pool size: 12
[ 3.509486] ubi0: attaching mtd4

[ 15.995233] gpmi-nand 8000c000.gpmi-nand: DMA timeout, last DMA
[ 16.001268] gpmi-nand 8000c000.gpmi-nand: Show GPMI registers :
[ 16.007606] gpmi-nand 8000c000.gpmi-nand: offset 0x000 : 0x2180083e
[ 16.013968] gpmi-nand 8000c000.gpmi-nand: offset 0x010 : 0x00000000
[ 16.020542] gpmi-nand 8000c000.gpmi-nand: offset 0x020 : 0x000011ff
[ 16.027122] gpmi-nand 8000c000.gpmi-nand: offset 0x030 : 0x0000083e
[ 16.033482] gpmi-nand 8000c000.gpmi-nand: offset 0x040 : 0x4743f000
[ 16.040048] gpmi-nand 8000c000.gpmi-nand: offset 0x050 : 0x47501800
[ 16.046623] gpmi-nand 8000c000.gpmi-nand: offset 0x060 : 0x0104000c
[ 16.052985] gpmi-nand 8000c000.gpmi-nand: offset 0x070 : 0x00020101
[ 16.059550] gpmi-nand 8000c000.gpmi-nand: offset 0x080 : 0x60000000
[ 16.066125] gpmi-nand 8000c000.gpmi-nand: offset 0x090 : 0x09020101
[ 16.072482] gpmi-nand 8000c000.gpmi-nand: offset 0x0a0 : 0x01000030
[ 16.079046] gpmi-nand 8000c000.gpmi-nand: offset 0x0b0 : 0x0f000005
[ 16.085619] gpmi-nand 8000c000.gpmi-nand: offset 0x0c0 : 0x01000000
[ 16.091977] gpmi-nand 8000c000.gpmi-nand: offset 0x0d0 : 0x03010000
[ 16.098530] gpmi-nand 8000c000.gpmi-nand: Show BCH registers :
[ 16.104460] gpmi-nand 8000c000.gpmi-nand: offset 0x000 : 0x00000100
[ 16.111024] gpmi-nand 8000c000.gpmi-nand: offset 0x010 : 0x0000fe04
[ 16.117604] gpmi-nand 8000c000.gpmi-nand: offset 0x020 : 0x00000000
[ 16.123962] gpmi-nand 8000c000.gpmi-nand: offset 0x030 : 0x00000000
[ 16.130527] gpmi-nand 8000c000.gpmi-nand: offset 0x040 : 0x00000000
[ 16.137106] gpmi-nand 8000c000.gpmi-nand: offset 0x050 : 0x00000000
[ 16.143464] gpmi-nand 8000c000.gpmi-nand: offset 0x060 : 0x00000000
[ 16.150023] gpmi-nand 8000c000.gpmi-nand: offset 0x070 : 0x00000000
[ 16.156604] gpmi-nand 8000c000.gpmi-nand: offset 0x080 : 0x030a4200
[ 16.162962] gpmi-nand 8000c000.gpmi-nand: offset 0x090 : 0x083e4200
[ 16.169525] gpmi-nand 8000c000.gpmi-nand: offset 0x0a0 : 0x070a8200
[ 16.176120] gpmi-nand 8000c000.gpmi-nand: offset 0x0b0 : 0x10da8200
[ 16.182482] gpmi-nand 8000c000.gpmi-nand: offset 0x0c0 : 0x070a8200
[ 16.189051] gpmi-nand 8000c000.gpmi-nand: offset 0x0d0 : 0x10da8200
[ 16.195631] gpmi-nand 8000c000.gpmi-nand: offset 0x0e0 : 0x070a8200
[ 16.201987] gpmi-nand 8000c000.gpmi-nand: offset 0x0f0 : 0x10da8200
[ 16.208546] gpmi-nand 8000c000.gpmi-nand: offset 0x100 : 0x00000000
[ 16.215158] gpmi-nand 8000c000.gpmi-nand: offset 0x110 : 0x00000000
[ 16.221514] gpmi-nand 8000c000.gpmi-nand: offset 0x120 : 0x00000000
[ 16.228079] gpmi-nand 8000c000.gpmi-nand: offset 0x130 : 0x00000000
[ 16.234437] gpmi-nand 8000c000.gpmi-nand: offset 0x140 : 0x00000000
[ 16.241005] gpmi-nand 8000c000.gpmi-nand: offset 0x150 : 0x20484342
[ 16.247635] gpmi-nand 8000c000.gpmi-nand: offset 0x160 : 0x01000000
[ 16.253992] gpmi-nand 8000c000.gpmi-nand: offset 0x170 : 0x00000000
[ 16.260583] gpmi-nand 8000c000.gpmi-nand: BCH Geometry :
[ 16.260583] GF length : 13
[ 16.260583] ECC Strength : 8
[ 16.260583] Page Size in Bytes : 2110
[ 16.260583] Metadata Size in Bytes : 10
[ 16.260583] ECC Chunk Size in Bytes: 512
[ 16.260583] ECC Chunk Count : 4
[ 16.260583] Payload Size in Bytes : 2048
[ 16.260583] Auxiliary Size in Bytes: 16
[ 16.260583] Auxiliary Status Offset: 12
[ 16.260583] Block Mark Byte Offset : 1999
[ 16.260583] Block Mark Bit Offset : 0
[ 16.308902] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.314671] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.320665] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.326647] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.332415] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.338377] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.344146] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22
[ 16.350109] gpmi-nand 8000c000.gpmi-nand: Chip: 0, Error -22

[igorpadykov]

Hi xing

L4.19.4 kernel is not supported by nxp, one can try latest L4.14 from nxp official repository:

linux-imx - i.MX Linux kernel 

Linux documentation

i.MX Software|NXP 

Issues with 4.19.4 can be posted on kernel mail list Majordomo Lists at VGER.KERNEL.ORG 

Best regards
igor
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[liuxing]

is there anybody can help me?