TQ210 NAND驱动移植
我在移植NAND驱动时遇到了问题：系统启动后，能正确识别NAND并读写正常，但后面读写就出问题：[ 0.512779] nand: device found, Manufacturer ID: 0xec, Chip ID: 0xd3
[ 0.518168] nand: Samsung NAND 1GiB 3,3V 8-bit
[ 0.522562] nand: 1024 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[ 0.530189] nand: NAND_ECC_NONE selected by board driver. This is not recommended!
[ 0.537725] Scanning device for bad blocks
[ 0.668335] Bad eraseblock 1402 at 0x00000af40000
[ 1.276437] s3c_nand_init_later
[ 1.276509] 3 ofpart partitions found on MTD device b0e00000.nand
[ 1.276563] Creating 3 MTD partitions on "b0e00000.nand":
[ 1.276615] 0x000000000000-0x000000040000 : "u-boot"
[ 1.278081] 0x000000040000-0x000000060000 : "u-boot-env"
[ 1.280363] 0x000000060000-0x000040000000 : "firmware"
[ 13.332152] 2 uimage-fw partitions found on MTD device firmware
[ 13.332224] 0x000000060000-0x0000001b9e2d : "kernel"
[ 13.333680] 0x0000001b9e2d-0x000040000000 : "rootfs"
[ 13.336269] mtd: device 4 (rootfs) set to be root filesystem
[ 13.336346] 1 squashfs-split partitions found on MTD device rootfs
[ 13.337469] 0x0000002e0000-0x000040000000 : "rootfs_data"
[ 13.347097] NET: Registered protocol family 10
[ 13.349651] NET: Registered protocol family 17
[ 13.759200] nand: timeout while waiting for chip to become ready
[ 14.159199] nand: timeout while waiting for chip to become ready
[ 14.159687] squashfs: SQUASHFS error: unable to read inode lookup table
[ 14.160012] jffs2: Flash size not aligned to erasesize, reducing to 1046784KiB
[ 14.559199] nand: timeout while waiting for chip to become ready
[ 14.959195] nand: timeout while waiting for chip to become ready
[ 15.359195] nand: timeout while waiting for chip to become ready
[ 15.759195] nand: timeout while waiting for chip to become ready
[ 16.159195] nand: timeout while waiting for chip to become ready
[ 16.559195] nand: timeout while waiting for chip to become ready
[ 16.959195] nand: timeout while waiting for chip to become ready
[ 17.359195] nand: timeout while waiting for chip to become ready
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