[LEDE-DEV] mt7621 nand driver status.

[Kenneth Johansson]

What is the status of the nand driver for mt7621 ??

when I try to use it the probing is ok but it fails when I try to 
read/write.


[    4.150000] MediaTek Nand driver init, version v2.1 Fix AHB virt2phys 
error
[    4.170000] Allocate 16 byte aligned buffer: 806f3100
[    4.180000] Enable NFI Clock
[    4.180000] # MTK NAND # : Use HW ECC
[    4.190000] Device not found, ID: ecf1
[    4.200000] Not Support this Device!
[    4.200000] chip_mode=00000002
[    4.210000] Support this Device in MTK table! ecf1
[    4.220000] nand: device found, Manufacturer ID: 0xec, Chip ID: 0xf1
[    4.230000] nand: Samsung NAND 128MiB 3,3V 8-bit
[    4.240000] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, 
OOB size: 64
[    4.260000] [NAND]select ecc bit:4, sparesize :64 spare_per_sector=16
[    4.270000] Scanning device for bad blocks
[    4.280000] Bad eraseblock 2 at 0x000000040000
[    4.290000] Bad eraseblock 3 at 0x000000060000
[    4.400000] Bad eraseblock 306 at 0x000002640000
[    4.440000] Bad eraseblock 386 at 0x000003040000
[    4.510000] Bad eraseblock 588 at 0x000004980000
[    4.670000] 4 ofpart partitions found on MTD device MT7621-NAND
[    4.680000] Creating 4 MTD partitions on "MT7621-NAND":
[    4.690000] 0x000000000000-0x000000080000 : "uboot"
[    4.700000] 0x000000080000-0x000000100000 : "uboot_env"
[    4.710000] 0x000000100000-0x000000140000 : "factory"
[    4.720000] 0x000000140000-0x000001000000 : "rootfs"
[    4.740000] mtd: device 3 (rootfs) set to be root filesystem
[    4.750000] mtdsplit: no squashfs found in "rootfs"
[    4.760000] [mtk_nand] probe successfully!


#cat /dev/mtd0 >/dev/null
[   75.910000] [mtk_nand_mcu_read_data] timeout
[   75.940000] [mtk_nand_mcu_read_data] timeout
[   75.980000] [mtk_nand_mcu_read_data] timeout
[   76.020000] [mtk_nand_mcu_read_data] timeout