Hi Zheng, do you know anyone at AMD who could help us with those IMC problems or at least tell us how to stop the IMC?
Regards, Carl-Daniel On 19.08.2010 12:23, Bao, Zheng wrote: > Sorry, I don't have any idea about imc accessing. > > Zheng > > >> -----Original Message----- >> From: Carl-Daniel Hailfinger >> [mailto:[email protected]] >> Sent: Thursday, August 19, 2010 6:10 PM >> To: flashrom; Bao, Zheng; Matthias Kretz >> Subject: [flashrom] SB700 IMC disabling >> >> Hi Zheng, >> >> running flashrom on certain systems with SB700 family chipsets will >> result in read and write corruption. I have added a corruption check >> to latest flashrom, and it seems that the IMC will access flash even >> if flashrom holds the BiosSemaphore (LPC bridge config space register >> 0x40, bit 5). >> >> Matthias Kretz owns a Supermicro H8DGT with this problem, but other >> boards (including a MITAC development board) exhibit the same issue. >> If we use flashrom to write, the SPI registers (especially FIFO >> counter and FIFO) will lock up after some time, and we have not been >> successful in getting the stuck board working again. >> >> Is there a way to stop the IMC from the host or to stop all IMC flash >> accesses (including read and instruction fetch)? >> >> Regards, >> Carl-Daniel >> -- http://www.hailfinger.org/ _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
