Issues unlocking LH28F640BF NOR flash
Andrea Adami
andrea.adami at gmail.com
Mon Nov 11 19:43:25 EST 2013
On Mon, Nov 11, 2013 at 1:07 PM, Andrea Adami <andrea.adami at gmail.com> wrote:
> On Sun, Nov 10, 2013 at 7:31 PM, Andrea Adami <andrea.adami at gmail.com> wrote:
>> On Fri, Nov 8, 2013 at 10:07 AM, Andrea Adami <andrea.adami at gmail.com> wrote:
>>> On Thu, Nov 7, 2013 at 11:53 AM, Andrea Adami <andrea.adami at gmail.com> wrote:
>>>> On Wed, Nov 6, 2013 at 10:32 AM, Andrea Adami <andrea.adami at gmail.com> wrote:
>>>>> On Mon, Oct 28, 2013 at 12:17 PM, Andrea Adami <andrea.adami at gmail.com> wrote:
>>>>>> Hi all,
>>>>>>
>>>>>> I'm trying to fixup the flash on the Zaurus SL-5500 that is locked on boot.
>>>>>>
>>>>>> The 2 chips are 4Mbix16 LH28F640BFHE-PTTL90 on a 32 bit wide bus
>>>>>> (sa1100) and they appear interleaved: D0-D15 on one chip and D16-D31
>>>>>> on the other.
>>>>>> The specifics don't even mention an 8bit mode. See [1] and [2].
>>>>>> Primary command set (16bit Vendor ID 0003H) so it is Sharp, detected
>>>>>> as Intel P_ID_INTEL_STD even if it seems explicitely Extended...the
>>>>>> Sharp-specific extended query is: major 1 minor 3
>>>>>>
>>>>>> With jedec_probe they are detected as expected with interleave of 2
>>>>>> and buswidth of 32bit, see logs [3].
>>>>>>
>>>>>> I need to boot from flash so all the drivers are compiled in kernel.
>>>>>> Now the issue is that from userspace flash_unlock /dev/mtd2 stalls and
>>>>>> doesn't finish.
>>>>>> From the kernel side, I've managed to add a fixup for this Sharp chip
>>>>>> (standard fixup is only for CFI_MFR_INTEL /Strataflash) to
>>>>>> jedec_fixup_table and to countertest I've even hacked
>>>>>> uapi/mtd/mtd-abi.h and added MTD_POWERUP_LOCK to MTD_CAP_NORFLASH.
>>>>>>
>>>>>> Strangely all is fine when the cfi/jedec drivers and the sa1100 map
>>>>>> are compiled as modules, otherwise the kernel won't finish boot (as
>>>>>> from userspace).
>>>>>>
>>>>>> How can that happen?
>>>>>>
>>>>>> Thanks in advance for your help
>>>>>>
>>>>>> Andrea
>>>>>>
>>>>>> P.S.
>>>>>> Once done I'll try to see why CFI detection fails on gen_probe:
>>>>>> gen_probe:genprobe_ident_chips: CFI: Found no sa1100-0 device at location zero
>>>>>>
>>>>>> [1] Datasheet v. 2.41
>>>>>> http://www.datasheetarchive.com/dlmain/Datasheets-314/276727.pdf
>>>>>>
>>>>>> [2] Appendix v. 2.44
>>>>>> http://www.datasheetarchive.com/dl/Datasheet-019/DSA00340384.pdf
>>>>>>
>>>>>> [3]
>>>>>> root at collie:~# depmod -a
>>>>>> root at collie:~# modprobe cfi_util dyndbg==pmf
>>>>>> root at collie:~# modprobe cfi_cmdset_0001 dyndbg==pmf
>>>>>> root at collie:~# modprobe gen_probe dyndbg==pmf
>>>>>> root at collie:~# modprobe cfi_probe dyndbg==pmf
>>>>>> root at collie:~# modprobe jedec_probe dyndbg==pmf
>>>>>> root at collie:~# modprobe sa1100_flash dyndbg==pmf
>>>>>> jedec_probe:jedec_reset: reset unlock called 555 2aa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called 555 aaa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called 5555 2aaa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called aaa 554
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called aaa 555
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called aaaa 5555
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(4) type(1)
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_match: jedec_match(): ID is not 8bit
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 155
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 555
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aaa 1555
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 555 2aa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 555 2aa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 5555 2aaa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 01) interleave(4) type(2)
>>>>>> jedec_probe:jedec_reset: reset unlock called 155 aa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 155 2aa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 1555 aaa
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 155
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 155
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aaa 1555
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b000b0 00) interleave(4) type(4)
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 155
>>>>>> jedec_probe:jedec_probe_chip: Search for id:(b0 b0) interleave(2) type(2)
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): Check fit 0x00000000 +
>>>>>> 0x00800000 = 0x00800000
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): check unlock addrs 0x02aa 0x0155
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): check ID's disappear when
>>>>>> not in ID mode
>>>>>> jedec_probe:jedec_reset: reset unlock called 2aa 155
>>>>>> jedec_probe:jedec_match: MTD jedec_match(): return to ID mode
>>>>>> jedec_probe:jedec_probe_chip: MTD jedec_probe_chip(): matched device
>>>>>> 0xb0,0xb0 unlock_addrs: 0x02aa 0x0155
>>>>>> Found: LH28F640BF
>>>>>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank
>>>>>> sa1100-0: Found different chip or no chip at all (mfr 0x4, id 0x3001)
>>>>>> at 0x1000000
>>>>>> erase region 0: offset=0x0,size=0x20000,blocks=127
>>>>>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>>>>>> SA1100 flash: CFI device at 0x00000000, 16MiB, 32-bit
>>>>>> Creating 3 MTD partitions on "sa1100":
>>>>>> 0x000000000000-0x0000000c0000 : "bootloader"
>>>>>> 0x0000000c0000-0x0000001c0000 : "kernel"
>>>>>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>>>>>> root at collie:~#
>>>>>
>>>>>
>>>>> Some updates:
>>>>>
>>>>> 1) unlocking 'freeze' with mtd/cfi built in kernel disappears adding
>>>>> full debug to the kernel. Some extra delay does the magic?
>>>>>
>>>>> 2) hacked CFI detection: the cfi_probe can't detect the chips. Fixup needed?
>>>>>
>>>>> I forced the detection in cfi_util and got:
>>>>>
>>>>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID
>>>>> 0x0000b0 Chip ID 0x0000b0
>>>>> sa1100-0: Found 2 x16 devices at 0x1000000 in 32-bit bank
>>>>> Intel/Sharp Extended Query Table at 0x0039
>>>>> Intel/Sharp Extended Query Table at 0x0039
>>>>> Intel/Sharp Extended Query Table at 0x0039
>>>>> Using buffer write method
>>>>> cfi_cmdset_0001: Erase suspend on write enabled
>>>>> erase region 0: offset=0x0,size=0x20000,blocks=127
>>>>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>>>>> erase region 2: offset=0x1000000,size=0x20000,blocks=127
>>>>> erase region 3: offset=0x1fe0000,size=0x4000,blocks=8
>>>>> sa1100-0: 2 set(s) of 2 interleaved chips --> 2 partitions of 16384 KiB
>>>>> SA1100 flash: CFI device at 0x00000000, 32MiB, 32-bit
>>>>> Creating 3 MTD partitions on "sa1100":
>>>>> 0x000000000000-0x0000000c0000 : "bootloader"
>>>>> 0x0000000c0000-0x0000001c0000 : "kernel"
>>>>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>>>>>
>>>>> And the NOR is even unlocked on boot (support instant individual block locking).
>>>>>
>>>>> If it is worth, I'll do some more tests with jedec debugging the
>>>>> freezing I see during unlocking of monolithic kernel but I'd rather
>>>>> prefer to move on CFI and debug the (mis)detection.
>>>>>
>>>>> Finally, what to do with the entry in jedec_probe? Remove it?
>>>>> If we decide to keep it, one little fix is needed because in theory
>>>>> this part is P_ID_INTEL_STD ( 3)
>>>>> Well, that's even strange because it supports the Extended commandset...
>>>>>
>>>>>
>>>>> Regards
>>>>>
>>>>> Andrea
>>>>
>>>> More questions...
>>>> Ok, forcing detection and debug we get the CFI table:
>>>>
>>>> Number of erase regions: 2
>>>> Primary Vendor Command Set: 0003 (Intel/Sharp Standard)
>>>> Primary Algorithm Table at 0039
>>>> Alternative Vendor Command Set: 0000 (None)
>>>> No Alternate Algorithm Table
>>>> Vcc Minimum: 2.7 V
>>>> Vcc Maximum: 3.6 V
>>>> Vpp Minimum: 11.7 V
>>>> Vpp Maximum: 12.3 V
>>>> Typical byte/word write timeout: 16 µs
>>>> Maximum byte/word write timeout: 256 µs
>>>> Typical full buffer write timeout: 128 µs
>>>> Maximum full buffer write timeout: 2048 µs
>>>> Typical block erase timeout: 1024 ms
>>>> Maximum block erase timeout: 8192 ms
>>>> Typical chip erase timeout: 131072 ms
>>>> Maximum chip erase timeout: 1048576 ms
>>>> Device size: 0x800000 bytes (8 MiB)
>>>> Flash Device Interface description: 0x0001
>>>> - x16-only asynchronous interface
>>>> Max. bytes in buffer write: 0x20
>>>> Number of Erase Block Regions: 2
>>>> Erase Region #0: BlockSize 0x10000 bytes, 127 blocks
>>>> Erase Region #1: BlockSize 0x2000 bytes, 8 blocks
>>>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID
>>>> 0x0000b0 Chip ID 0x0000b0
>>>> sa1100-0: Found 2 x16 devices at 0x1000000 in 32-bit bank
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> Using buffer write method
>>>> Extended Query version 1.3
>>>> Feature/Command Support: 02E7
>>>> - Chip Erase: supported
>>>> - Suspend Erase: supported
>>>> - Suspend Program: supported
>>>> - Legacy Lock/Unlock: unsupported
>>>> - Queued Erase: unsupported
>>>> - Instant block lock: supported
>>>> - Protection Bits: supported
>>>> - Page-mode read: supported
>>>> - Synchronous read: unsupported
>>>> - Simultaneous operations: supported
>>>> - Extended Flash Array: unsupported
>>>> Supported functions after Suspend: 01
>>>> - Program after Erase Suspend: supported
>>>> Block Status Register Mask: 0003
>>>> - Lock Bit Active: yes
>>>> - Lock-Down Bit Active: yes
>>>> - EFA Lock Bit: no
>>>> - EFA Lock-Down Bit: no
>>>> Vcc Logic Supply Optimum Program/Erase Voltage: 3.0 V
>>>> Vpp Programming Supply Optimum Program/Erase Voltage: 12.0 V
>>>> cfi_cmdset_0001: Erase suspend on write enabled
>>>> erase region 0: offset=0x0,size=0x20000,blocks=127
>>>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>>>> erase region 2: offset=0x1000000,size=0x20000,blocks=127
>>>> erase region 3: offset=0x1fe0000,size=0x4000,blocks=8
>>>> sa1100-0: 2 set(s) of 2 interleaved chips --> 2 partitions of 16384 KiB
>>>> SA1100 flash: CFI device at 0x00000000, 32MiB, 32-bit
>>>> Creating 3 MTD partitions on "sa1100":
>>>> 0x000000000000-0x0000000c0000 : "bootloader"
>>>> 0x0000000c0000-0x0000001c0000 : "kernel"
>>>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>>>>
>>>>
>>>> Now about the detection, I've added some printk and see the following:
>>>>
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: aa00aa
>>>> cfi_send_gen_cmd->VAL: 550055
>>>> cfi_send_gen_cmd->VAL: 900090
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID
>>>> 0x0000b0 Chip ID 0x0000b0
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: 1000452
>>>> Answer R: e1a0e00f
>>>> Answer Y: eb06713f
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: 1000452
>>>> Answer R: e1a0e00f
>>>> Answer Y: eb06713f
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: e5912010
>>>> Answer R: e3a05004
>>>> Answer Y: e0022005
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> sa1100-0: Found 2 x16 devices at 0x1000000 in 32-bit bank
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> Intel/Sharp Extended Query Table at 0x0039
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> cfi_send_gen_cmd->VAL: 980098
>>>> Query Q: 510051
>>>> Query R: 520052
>>>> Query Y: 590059
>>>> Answer Q: ffff0051
>>>> Answer R: ffff0052
>>>> Answer Y: ffff0059
>>>> cfi_send_gen_cmd->VAL: f000f0
>>>> cfi_send_gen_cmd->VAL: ff00ff
>>>> Using buffer write method
>>>> cfi_cmdset_0001: Erase suspend on write enabled
>>>> erase region 0: offset=0x0,size=0x20000,blocks=127
>>>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>>>> erase region 2: offset=0x1000000,size=0x20000,blocks=127
>>>> erase region 3: offset=0x1fe0000,size=0x4000,blocks=8
>>>> sa1100-0: 2 set(s) of 2 interleaved chips --> 2 partitions of 16384 KiB
>>>> SA1100 flash: CFI device at 0x00000000, 32MiB, 32-bit
>>>> Creating 3 MTD partitions on "sa1100":
>>>> 0x000000000000-0x0000000c0000 : "bootloader"
>>>> 0x0000000c0000-0x0000001c0000 : "kernel"
>>>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>>>>
>>>> Is the upperword chip D-16-31 not responding ? Why this strange answer?
>>>>
>>>> Finally, the iomap of this device based on sa1100: seems originally
>>>> intended for 32MB but there are only 16 onboard and that seems causing
>>>> the alias at 0x1000000
>>>>
>>>> 372 static struct map_desc collie_io_desc[] __initdata = {
>>>> 373 { /* 32M main flash (cs0) */
>>>> 374 .virtual = 0xe8000000,
>>>> 375 .pfn = __phys_to_pfn(0x00000000),
>>>> 376 .length = 0x02000000,
>>>> 377 .type = MT_DEVICE
>>>> 378 }, { /* 32M boot flash (cs1) */
>>>> 379 .virtual = 0xea000000,
>>>> 380 .pfn = __phys_to_pfn(0x08000000),
>>>> 381 .length = 0x02000000,
>>>> 382 .type = MT_DEVICE
>>>> 383 }
>>>> 384 };
>>>>
>>>>
>>>> Worth to resize it?
>>>> Thanks in advance for your attention
>>>>
>>>> Cheers
>>>>
>>>> Andrea
>>>
>>>
>>> Further testings after resizing the flash map to SZ_16M give correct,
>>> expected results:
>>>
>>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID
>>> 0x0000b0 Chip ID 0x0000b0
>>> Intel/Sharp Extended Query Table at 0x0039
>>> Intel/Sharp Extended Query Table at 0x0039
>>> Intel/Sharp Extended Query Table at 0x0039
>>> Using buffer write method
>>> Using auto-unlock on power-up/resume
>>> cfi_cmdset_0001: Erase suspend on write enabled
>>> erase region 0: offset=0x0,size=0x20000,blocks=127
>>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>>> sa1100-0: 1 set(s) of 2 interleaved chips --> 1 partitions of 16384 KiB
>>> SA1100 flash: CFI device at 0x00000000, 16MiB, 32-bit
>>> Creating 3 MTD partitions on "sa1100":
>>> 0x000000000000-0x0000000c0000 : "bootloader"
>>> 0x0000000c0000-0x0000001c0000 : "kernel"
>>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>>>
>>> This with the following patches and detection-hack...
>>>
>>> +diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c
>>> b/drivers/mtd/chips/cfi_cmdset_0001.c
>>> +index 7751443..d9d6f0e 100644
>>> +--- a/drivers/mtd/chips/cfi_cmdset_0001.c
>>> ++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
>>> +@@ -310,6 +310,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
>>> + { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct },
>>> + { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb },
>>> + { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock },
>>> ++ { CFI_MFR_SHARP, 0x00b0, fixup_unlock_powerup_lock },
>>> + { 0, 0, NULL }
>>> + };
>>> +
>>>
>>> +diff --git a/arch/arm/mach-sa1100/collie.
>>> c b/arch/arm/mach-sa1100/collie.c
>>> +index 7fb96eb..c1005ef 100644
>>> +--- a/arch/arm/mach-sa1100/collie.c
>>> ++++ b/arch/arm/mach-sa1100/collie.c
>>> +@@ -298,7 +298,7 @@ static struct flash_platform_data collie_flash_data = {
>>> + };
>>> +
>>> + static struct resource collie_flash_resources[] = {
>>> +- DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
>>> ++ DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M),
>>> + };
>>> +
>>> + static struct sa1100fb_mach_info collie_lcd_info = {
>>>
>>>
>>> +diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
>>> +index f992418..bdee7b9 100644
>>> +--- a/drivers/mtd/chips/cfi_util.c
>>> ++++ b/drivers/mtd/chips/cfi_util.c
>>> +@@ -85,7 +85,10 @@ int __xipram cfi_qry_mode_on(uint32_t base, struct
>>> map_info *map,
>>> + if (cfi_qry_present(map, base, cfi))
>>> + return 1;
>>> + /* QRY not found */
>>> +- return 0;
>>> ++/* return 0; */
>>> ++
>>> ++/* FIXME: UGLY HACK: FORCE DETECTION */
>>> ++ return 1;
>>> + }
>>> + EXPORT_SYMBOL_GPL(cfi_qry_
>>> mode_on);
>>> +
>>> +--
>>> +1.8.1.5
>>> +
>>>
>>> I'll try to debug the Query Q: 510051 -> Answer Q: ffff0051 issue.
>>>
>>> Open to any suggestion...
>>>
>>> TIA
>>>
>>> Andrea
>>
>> Things are not yet perfect...flashcpy failed on verify and so I run some tests.
>>
>> root at collie:~# modprobe mtd_readtest dev=2
>>
>> =================================================
>> mtd_readtest: MTD device: 2
>> mtd_readtest: not NAND flash, assume page size is 512 bytes.
>> mtd_readtest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_readtest: testing page read
>> mtd_readtest: finished
>> =================================================
>> root at collie:~# rmmod mtd_readtest
>> root at collie:~# modprobe mtd_speedtest dev=2
>>
>> =================================================
>> mtd_speedtest: MTD device: 2
>> mtd_speedtest: not NAND flash, assume page size is 512 bytes.
>> mtd_speedtest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_speedtest: testing eraseblock write speed
>> mtd_speedtest: eraseblock write speed is 534 KiB/s
>> mtd_speedtest: testing eraseblock read speed
>> mtd_speedtest: eraseblock read speed is 3065 KiB/s
>> mtd_speedtest: testing page write speed
>> mtd_speedtest: page write speed is 530 KiB/s
>> mtd_speedtest: testing page read speed
>> mtd_speedtest: page read speed is 2964 KiB/s
>> mtd_speedtest: testing 2 page write speed
>> mtd_speedtest: 2 page write speed is 531 KiB/s
>> mtd_speedtest: testing 2 page read speed
>> mtd_speedtest: 2 page read speed is 3006 KiB/s
>> mtd_speedtest: Testing erase speed
>> mtd_speedtest: erase speed is 241 KiB/s
>> mtd_speedtest: Testing 2x multi-block erase speed
>> mtd_speedtest: 2x multi-block erase speed is 241 KiB/s
>> mtd_speedtest: Testing 4x multi-block erase speed
>> mtd_speedtest: 4x multi-block erase speed is 241 KiB/s
>> mtd_speedtest: Testing 8x multi-block erase speed
>> mtd_speedtest: 8x multi-block erase speed is 241 KiB/s
>> mtd_speedtest: Testing 16x multi-block erase speed
>> mtd_speedtest: 16x multi-block erase speed is 239 KiB/s
>> mtd_speedtest: Testing 32x multi-block erase speed
>> mtd_speedtest: 32x multi-block erase speed is 241 KiB/s
>> mtd_speedtest: Testing 64x multi-block erase speed
>> mtd_speedtest: 64x multi-block erase speed is 241 KiB/s
>> mtd_speedtest: finished
>> =================================================
>> root at collie:~# rmmod mtd_speedtest
>> root at collie:~# modprobe mtd_stresstest dev=2 count=10
>>
>> =================================================
>> mtd_stresstest: MTD device: 2
>> mtd_stresstest: not NAND flash, assume page size is 512 bytes.
>> mtd_stresstest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_stresstest: doing operations
>> mtd_stresstest: 0 operations done
>> mtd_stresstest: finished, 10 operations done
>> =================================================
>> root at collie:~# rmmod mtd_stresstest
>>
>>
>> ####################
>>
>>
>> collie login: root
>> root at collie:~# modprobe mtd_stresstest dev=2 count=16
>>
>> =================================================
>> mtd_stresstest: MTD device: 2
>> mtd_stresstest: not NAND flash, assume page size is 512 bytes.
>> mtd_stresstest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_stresstest: doing operations
>> mtd_stresstest: 0 operations done
>> mtd_stresstest: finished, 16 operations done
>> =================================================
>> root at collie:~# rmmod mtd_stresstest
>> root at collie:~# modprobe mtd_stresstest dev=2 count=10
>>
>> =================================================
>> mtd_stresstest: MTD device: 2
>> mtd_stresstest: not NAND flash, assume page size is 512 bytes.
>> mtd_stresstest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_stresstest: doing operations
>> mtd_stresstest: 0 operations done
>> mtd_stresstest: finished, 10 operations done
>> =================================================
>> root at collie:~# rmmod mtd_stresstest
>> root at collie:~# modprobe mtd_stresstest dev=2 count=17
>>
>> =================================================
>> mtd_stresstest: MTD device: 2
>> mtd_stresstest: not NAND flash, assume page size is 512 bytes.
>> mtd_stresstest: MTD device size 14811136, eraseblock size 131072, page
>> size 512, count of eraseblocks 113, pages per eraseblock 256, OOB size
>> 0
>> mtd_stresstest: doing operations
>> mtd_stresstest: 0 operations done
>>
>> stalls...
>>
>>
>> Uncompressing Linux... done, booting the kernel.
>> Booting Linux on physical CPU 0x0
>> Initializing cgroup subsys cpuset
>> Initializing cgroup subsys cpu
>> Initializing cgroup subsys cpuacct
>> Linux version 3.10.17-yocto-standard (andrea at mizar) (gcc version 4.8.1
>> (GCC) ) #1 PREEMPT Sun Nov 10 10:33:32 CET 2013
>> CPU: StrongARM-1110 [6901b118] revision 8 (ARMv4), cr=c000717f
>> CPU: VIVT data cache, VIVT instruction cache
>> Machine: Sharp-Collie
>> Memory policy: ECC disabled, Data cache writeback
>> On node 0 totalpages: 16384
>> Normal zone: 128 pages used for memmap
>> Normal zone: 0 pages reserved
>> Normal zone: 16384 pages, LIFO batch:3
>> pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
>> pcpu-alloc: [0] 0
>> Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
>> Kernel command line: root=/dev/sda1 rootfstype=ext2 rootwait
>> fbcon=rotate:1 console=ttySA0,115200n8 console=tty1 mem=64M
>> fbcon=rotate:1 debug
>> PID hash table entries: 256 (order: -2, 1024 bytes)
>> Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
>> Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
>> Memory: 64MB = 64MB total
>> Memory: 55500k/55500k available, 10036k reserved, 0K highmem
>> Virtual kernel memory layout:
>> vector : 0xffff0000 - 0xffff1000 ( 4 kB)
>> fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
>> vmalloc : 0xc4800000 - 0xff000000 ( 936 MB)
>> lowmem : 0xc0000000 - 0xc4000000 ( 64 MB)
>> modules : 0xbf000000 - 0xc0000000 ( 16 MB)
>> .text : 0xc0008000 - 0xc07e6a90 (8059 kB)
>> .init : 0xc07e7000 - 0xc0851e64 ( 428 kB)
>> .data : 0xc0852000 - 0xc089f3e8 ( 309 kB)
>> .bss : 0xc089f3e8 - 0xc0932fc8 ( 591 kB)
>> Preemptible hierarchical RCU implementation.
>> NR_IRQS:16 nr_irqs:53 53
>> sched_clock: 32 bits at 3686kHz, resolution 271ns, wraps every 1165084ms
>> Console: colour dummy device 80x30
>> console [tty1] enabled
>> console [ttySA0] enabled
>> allocated 262144 bytes of page_cgroup
>> please try 'cgroup_disable=memory' option if you don't want memory cgroups
>> Calibrating delay loop... 136.60 BogoMIPS (lpj=683008)
>> pid_max: default: 32768 minimum: 301
>> Security Framework initialized
>> Mount-cache hash table entries: 512
>> Initializing cgroup subsys debug
>> Initializing cgroup subsys memory
>> Initializing cgroup subsys devices
>> Initializing cgroup subsys freezer
>> Initializing cgroup subsys net_cls
>> Initializing cgroup subsys blkio
>> CPU: Testing write buffer coherency: ok
>> ftrace: allocating 21312 entries in 63 pages
>> Setting up static identity map for 0xc05d8ab8 - 0xc05d8b10
>> devtmpfs: initialized
>> xor: measuring software checksum speed
>> arm4regs : 86.400 MB/sec
>> 8regs : 79.200 MB/sec
>> 32regs : 76.000 MB/sec
>> xor: using function: arm4regs (86.400 MB/sec)
>> NET: Registered protocol family 16
>> DMA: preallocated 256 KiB pool for atomic coherent allocations
>> Sharp Scoop Device found at 0x40800000 -> 0xc4846000
>> bio: create slab <bio-0> at 0
>> raid6: int32x1 32 MB/s
>> raid6: int32x2 31 MB/s
>> raid6: int32x4 25 MB/s
>> raid6: int32x8 23 MB/s
>> raid6: using algorithm int32x1 (32 MB/s)
>> raid6: using intx1 recovery algorithm
>> SCSI subsystem initialized
>> libata version 3.00 loaded.
>> Switching to clocksource oscr
>> NET: Registered protocol family 2
>> TCP established hash table entries: 512 (order: 0, 4096 bytes)
>> TCP bind hash table entries: 512 (order: -1, 2048 bytes)
>> TCP: Hash tables configured (established 512 bind 512)
>> TCP: reno registered
>> UDP hash table entries: 256 (order: 0, 4096 bytes)
>> UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
>> NET: Registered protocol family 1
>> RPC: Registered named UNIX socket transport module.
>> RPC: Registered udp transport module.
>> RPC: Registered tcp transport module.
>> RPC: Registered tcp NFSv4.1 backchannel transport module.
>> LoCoMo Chip: 7649
>> NFS: Registering the id_resolver key type
>> Key type id_resolver registered
>> Key type id_legacy registered
>> jffs2: version 2.2. (NAND) (SUMMARY) �� 2001-2006 Red Hat, Inc.
>> bio: create slab <bio-1> at 1
>> Btrfs loaded
>> aufs 3.10-20130819
>> yaffs: yaffs built Nov 10 2013 10:31:48 Installing.
>> msgmni has been set to 108
>> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>> io scheduler noop registered
>> io scheduler deadline registered
>> io scheduler cfq registered (default)
>> Console: switching to colour frame buffer device 30x40
>> pcmcia_socket pcmcia_socket0: pccard: PCMCIA card inserted into slot 0
>> pcmcia 0.0: pcmcia: registering new device pcmcia0.0 (IRQ: 35)
>> Serial: SA11x0 driver
>> sa11x0-uart.1: ttySA1 at MMIO 0x80010000 (irq = 15) is a SA1100
>> sa11x0-uart.3: ttySA0 at MMIO 0x80050000 (irq = 17) is a SA1100
>> brd: module loaded
>> input: Touchscreen panel as
>> /devices/platform/sa11x0-mcp/mcp0/ucb1x00/ucb1x00/input0
>> scsi0 : pata_pcmcia
>> ata1: PATA max PIO0 cmd 0xc4860000 ctl 0xc486000e irq 35
>> sa1100-0: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID
>> 0x0000b0 Chip ID 0x0000b0
>> Intel/Sharp Extended Query Table at 0x0039
>> Intel/Sharp Extended Query Table at 0x0039
>> Intel/Sharp Extended Query Table at 0x0039
>> Using buffer write method
>> Using auto-unlock on power-up/resume
>> cfi_cmdset_0001: Erase suspend on write enabled
>> erase region 0: offset=0x0,size=0x20000,blocks=127
>> erase region 1: offset=0xfe0000,size=0x4000,blocks=8
>> sa1100-0: 1 set(s) of 2 interleaved chips --> 1 partitions of 16384 KiB
>> SA1100 flash: CFI device at 0x00000000, 16MiB, 32-bit
>> Creating 4 MTD partitions on "sa1100":
>> 0x000000000000-0x0000000c0000 : "bootloader"
>> 0x0000000c0000-0x0000001c0000 : "kernel"
>> 0x0000001c0000-0x000000fe0000 : "rootfs"
>> 0x000000fe0000-0x000001000000 : "bootblock"
>> mousedev: PS/2 mouse device common for all mice
>> input: LoCoMo keyboard as
>> /devices/platform/locomo.0/locomo-keyboard/input/input1
>> sa1100-rtc sa1100-rtc: rtc core: registered sa1100-rtc as rtc0
>> APM Battery Driver
>> ata1.00: CFA: SAMSUNG CF/ATA, CF031003, max PIO4
>> ata1.00: 1022112 sectors, multi 0: LBA
>> md: linear personality registered for level -1
>> md: raid0 personality registered for level 0
>> ata1.00: configured for PIO0
>> collie_bat_gpio irq
>> scsi 0:0:0:0: Direct-Access ATA SAMSUNG CF/ATA CF03 PQ: 0 ANSI: 5
>> md: raid1 personality registered for level 1
>> md: raid10 personality registered for level 10
>> md: multipath personality registered for level -4
>> sd 0:0:0:0: [sda] 1022112 512-byte logical blocks: (523 MB/499 MiB)
>> sd 0:0:0:0: [sda] Write Protect is off
>> sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>> md: faulty personality registered for level -5
>> device-mapper: ioctl: 4.24.0-ioctl (2013-01-15) initialised: dm-devel at redhat.com
>> sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't
>> support DPO or FUA
>> u32 classifier
>> Actions configured
>> TCP: cubic registered
>> sda: sda1
>> NET: Registered protocol family 10
>> sit: IPv6 over IPv4 tunneling driver
>> sd 0:0:0:0: [sda] Attached SCSI removable disk
>> NET: Registered protocol family 17
>> Key type dns_resolver registered
>> console [netcon0] enabled
>> netconsole: network logging started
>> sa1100-rtc sa1100-rtc: setting system clock to 1970-01-01 00:01:28 UTC (88)
>> md: Waiting for all devices to be available before autodetect
>> md: If you don't use raid, use raid=noautodetect
>> md: Autodetecting RAID arrays.
>> md: Scanned 0 and added 0 devices.
>> md: autorun ...
>> md: ... autorun DONE.
>> VFS: Mounted root (ext2 filesystem) readonly on device 8:1.
>> devtmpfs: mounted
>> Freeing unused kernel memory: 424K (c07e7000 - c0851000)
>> udevd[79]: starting version 182
>> collie_bat_gpio irq
>>
>> collie login: root
>> root at collie:~# modprobe mtd_torturetest eb=10 ebcnt=2 dev=2 cycles_count=2
>>
>> =================================================
>> mtd_torturetest: Warning: this program is trying to wear out your
>> flash, stop it if this is not wanted.
>> mtd_torturetest: MTD device: 2
>> mtd_torturetest: torture 2 eraseblocks (10-11) of mtd2
>> mtd_torturetest: write verify enabled
>> mtd_torturetest: not NAND flash, assume page size is 512 bytes.
>> mtd_torturetest: finished after 2 erase cycles
>> =================================================
>> root at collie:~# modprobe mtd_torturetest eb=1 ebcnt=112 dev=2 cycles_count=2
>> root at collie:~# rmmod mtd_torturetest
>> root at collie:~# modprobe mtd_torturetest eb=1 ebcnt=112 dev=2 cycles_count=3
>>
>> =================================================
>> mtd_torturetest: Warning: this program is trying to wear out your
>> flash, stop it if this is not wanted.
>> mtd_torturetest: MTD device: 2
>> mtd_torturetest: torture 112 eraseblocks (1-112) of mtd2
>> mtd_torturetest: write verify enabled
>> mtd_torturetest: not NAND flash, assume page size is 512 bytes.
>> mtd_torturetest: read wrong data from EB 82
>> mtd_torturetest: verify fails on 256 pages, 131072 bytes/917504 bits
>> mtd_torturetest: The following is a list of all differences between
>> what was read from flash and what was expected
>> -----------------------------------------------------------------------------------------
>> mtd_torturetest: Page 0 has 512 bytes/3584 bits failing verify,
>> starting at offset 0x0
>> Offset Read Written
>> 0x00000000: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000008: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000010: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000018: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000020: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000028: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000030: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000038: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000040: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000048: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000050: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000058: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000060: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000068: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000070: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000078: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000080: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000088: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000090: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000098: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000a0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000a8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000b0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000b8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000c0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000c8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000d0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000d8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000e0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000e8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000f0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000000f8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000100: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000108: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000110: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000118: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000120: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000128: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000130: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000138: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000140: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000148: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000150: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000158: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000160: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000168: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000170: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000178: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000180: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000188: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000190: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000198: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001a0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001a8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001b0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001b8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001c0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001c8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001d0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001d8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001e0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001e8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001f0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000001f8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000200: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> -----------------------------------------------------------------------------------------
>> mtd_torturetest: Page 1 has 512 bytes/3584 bits failing verify,
>> starting at offset 0x200
>> Offset Read Written
>> 0x00000200: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000208: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000210: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000218: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000220: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000228: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000230: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000238: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000240: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000248: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000250: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000258: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000260: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000268: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000270: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000278: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000280: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000288: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000290: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000298: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002a0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002a8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002b0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002b8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002c0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002c8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002d0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002d8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002e0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002e8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002f0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000002f8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000300: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000308: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000310: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000318: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000320: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000328: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000330: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000338: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000340: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000348: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000350: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000358: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000360: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000368: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000370: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000378: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000380: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000388: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000390: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000398: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003a0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003a8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003b0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003b8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003c0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003c8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003d0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003d8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003e0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003e8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003f0: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x000003f8: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> 0x00000400: 80 80 80 80 80 80 80 80 *** ff ff ff ff ff ff ff ff
>> -----------------------------------------------------------------------------------------
>> ...
>> and so on.
>>
>>
>>
>> Seems same issue as:
>>
>> root at collie:~# ubiformat /dev/mtd2
>> ubiformat: mtd2 (nor), size 14811136 bytes (14.1 MiB), 113 eraseblocks
>> of 131072 bytes (128.0 KiB), min. I/O size 1 bytes
>> libscan: scanning eraseblock 112 -- 100 % complete
>> ubiformat: warning!: 113 of 113 eraseblocks contain non-ubifs data
>> ubiformat: continue? (yes/no) y
>> ubiformat: warning!: only 0 of 113 eraseblocks have valid erase counter
>> ubiformat: erase counter 0 will be used for all eraseblocks
>> ubiformat: note, arbitrary erase counter value may be specified using -e option
>> ubiformat: continue? (yes/no) y
>> ubiformat: use erase counter 0 for all eraseblocks
>> ubiformat: formatting eraseblock 112 -- 100 % complete
>>
>> root at collie:~# ubiattach -p /dev/mtd2
>> UBI device number 0, total 113 LEBs (14796672 bytes, 14.1 MiB),
>> available 109 LEBs (14272896 bytes, 13.6 MiB), LEB size 130944 bytes
>> (127.9 KiB)
>>
>> root at collie:~# ubimkvol /dev/ubi0 -N rootfs -m
>> Set volume size to 14272896
>> Volume ID 0, size 109 LEBs (14272896 bytes, 13.6 MiB), LEB size 130944
>> bytes (127.9 KiB), dynamic, name "rootfs", alignment 1
>>
>> root at collie:~# ubiupdatevol /dev/ubi0_0 /rootfs.ubifs
>> sa1100: Chip not ready for buffer write. Xstatus = 80808080, status = 80808080
>> UBI error: ubi_io_write: error -62 while writing 64 bytes to PEB
>> 87:64, written 0 bytes
>> UBI error: vol_cdev_write: cannot accept more 13824 bytes of data, error -62
>> ubiupdatevol: error!: cannot write 13824 bytes to volume "/dev/ubi0_0"
>> error 62 (Timer expired)
>> root at collie:~#
>>
>>
>>>sa1100: Chip not ready for buffer write. Xstatus = 80808080, status = 80808080
>>
>>
>> Can this happen because of overheating? Dying chip? Wrong voltages/timeouts?
>>
>> Thanks in advance
>>
>> Andrea
>
> Reading the appendix [2] I can decode the status register as follows:
> 0x80 = 01010000 the bits are SR4 and SR6
> SR4 = Error in (page buffer) program or OTP program (PBPOPS)
> SR6 = Block erase suspended (BESS)
>
> I will try to disable /* #define
> CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
Thsi seems to have fixed many things, still testing now but I see i.e.
root at collie:~# ubiupdatevol -t /dev/ubi0_0
SR.4 or SR.5 bits set in buffer write (status ffffffff). Clearing.
So there are 'corrections'.
Will report definitive (sic!) results ;)
Sorry for the noise
Andrea
*/ and maybe #define
> FORCE_WORD_WRITE 0
>
> Thanks in advance for any help...
>
> Andrea
>
>
> [1] Datasheet v. 2.41
> http://www.datasheetarchive.com/dlmain/Datasheets-314/276727.pdf
>
> [2] Appendix v. 2.44
> http://www.datasheetarchive.com/dl/Datasheet-019/DSA00340384.pdf
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