[U-Boot-Users] Re: Trouble in cfi_flash, help please!
Yuli Barcohen
yuli at arabellasw.com
Thu Jun 16 16:08:53 CEST 2005
>>>>> Yusuf Ibrahim Ozkok writes:
...
Yusuf> I have modified flash_real_protect() as follows, to see what
Yusuf> is going on. I can read status register first of all by
Yusuf> sending the cmd 0x70. But whenever I send the command to
Yusuf> unprotect a block I get a status of 0xb0 which indicates a
Yusuf> failure!
...
Status 0xB0 means incorrect command sequence so instead of sending 0x60
0xD0, `protect off' commands sends something else. I'd try to enable
debug prints in cmd_flash.c to see what's sent. According to the log
which you sent, 0xFF (reset) is sent in the middle.
--
========================================================================
Yuli Barcohen | Phone +972-9-765-1788 | Software Project Leader
yuli at arabellasw.com | Fax +972-9-765-7494 | Arabella Software, Israel
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