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
