J39 is confirmed open (i.e. write enabled). -----Original Message----- From: Chris Zimman [mailto:[EMAIL PROTECTED] Sent: Friday, January 31, 2003 3:05 PM To: brian.auld at adic.com Subject: Re: Trying to program u-boot into flash using BDI2000
On Fri, Jan 31, 2003 at 11:40:36AM -0800, brian.auld at adic.com wrote: Just as a first -- did you check the flash write protect jumper (J39)? Should be open. --Chris > > The embedded linux on ebony(440GP) saga continues: > > - ELDK in place (check) > - kernel compiled (check) > - u-boot compiled (check) > - ebony in place (check ... dip switch settings confirmed) > - BDI2000 in hand (arrived this morning) > > OK, I'm trying to program flash with u-boot (I'm using u-boot.bin). I am > using the 440GP config file provided by abatron, plus the [FLASH] parameters > from the example in the bdiGDB users manual for programming flash on the > 405. It looks like the memory map as it pertains to flash as well as the > part (AMD29F040) was consistent from the 405 --> 440, so it seemed logical > to use these FLASH values. The 440GP config file provided does not have any > FLASH parameters set, which is why I made this change. > > Well, I successfully erased the flash from 0xfff8000 - 0xffffffff and > checked the locations after the erase ... they were all 'F's. I then tried > to program the flash with my u-boot.bin and got the following: > > ===== start of bdi clip ===== > BDI>prog 0xfff80000 u-boot.bin bin= > Programming u-boot.bin , please wait .... > # Programming flash memory failed at 0xfff80000 > BDI>prog 0xfff80000 u-boot.bin bin > Programming u-boot.bin , please wait .... > # Programming flash memory failed at 0xfff80000 > BDI> > ===== end of bdi clip ===== > > Any ideas why this failed. Attached is my config file. I'll just attach the > [HOST] and [FLASH] sections to make it a little easier on the eyes. For > anyone familiar with BDI sample 440GP confile file, you will see that it is > this file with the [FLASH] additions I mentioned above. Actually, after > looking at the file, I remembered that I also trimmed information in the > [HOST] section ... specifically stuff that was presuming path to Windows > information. My host is Linux. > > ===== start of config file ([HOST] and [FLASH] sections) ===== > ;bdiGDB configuration file for IBM 440GP Reference Board > > -- cut -- > > [HOST] > IP 172.16.77.151 ;Linux host > ;FILE u-boot.bin > ;FORMAT BIN > ;START 0x200000 > LOAD MANUAL ;load code MANUAL or AUTO after reset > DEBUGPORT 2001 > DUMP dump.bin ;Linux: dump.bin must already exist and > public writable > > [FLASH] > CHIPTYPE AM29F ; flash part = AMD29F040B > CHIPSIZE 0x80000 ;The size of one flash chip in bytes (0.5MB) > BUSWIDTH 8 ;The width of the flash memory bus in bits (8 | > 16 | 32) > WORKSPACE 0x000040000 ; RAM buffer for fast flash programming > FILE u-boot.bin ;The file to program > FORMAT BIN 0x00000000 > ERASE 0xFFF80000 > ERASE 0xFFF90000 > ERASE 0xFFFA0000 > ERASE 0xFFFB0000 > ERASE 0xFFFC0000 > ERASE 0xFFFD0000 > ERASE 0xFFFE0000 > ERASE 0xFFFF0000 > > -- cut -- > > ===== end of config file ( with cuts) ===== > > -- Brian > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
