[U-Boot-Users] Problem Erase/Program Flash using BDI2000 on PQ2FADS-ZU (8280) board

[Wolfgang Denk]

In message <OFC1EFAF2D.AC412ECC-ON48256FD3.00174E5D at uk.marconicomms.com> you wrote:
> 
>       I am using PQ2FADS-ZU board with MPC8280 processor. I have problem
> erasing the flash sector from 0xfff00100 to 0xfff0028f. As a result, I am

Nitpicking: there is no flash sector "from 0xfff00100 to 0xfff0028f".
The sector most probably starts at 0xFFF00000 and  ends  at  a  N  kB
address.

> 8280>erase
> Erasing flash at 0xff800000
> Erasing flash at 0xffa00000
> Erasing flash at 0xffc00000
> Erasing flash at 0xffe00000
> Erasing flash passed

I assume that you use a flash chip with uniform sector sizes, right?

> 8280>md 0xfff00000
> fff00000 : 0effffff ffffffff ffffffff ffffffff  ................
> fff00010 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00020 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00030 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00040 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00050 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00060 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00070 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00080 : ffffffff ffffffff ffffffff ffffffff  ................
> fff00090 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000a0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000b0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000c0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000d0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000e0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff000f0 : ffffffff ffffffff ffffffff ffffffff  ................
> 8280>md 0xfff00100
> fff00100 : ff0000ff ff0000ff ffffffff ffffffff  ................
> fff00110 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00120 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00130 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00140 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00150 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00160 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00170 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00180 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00190 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001a0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001b0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001c0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001d0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001e0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff001f0 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> 8280>md 0xfff00200
> fff00200 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00210 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00220 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00230 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00240 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00250 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00260 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00270 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00280 : ff0000ff ff0000ff ff0000ff ff0000ff  ................
> fff00290 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002a0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002b0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002c0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002d0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002e0 : ffffffff ffffffff ffffffff ffffffff  ................
> fff002f0 : ffffffff ffffffff ffffffff ffffffff  ................

Looks like a hardware problem to me. Return the board to your vendor.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
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