>-----Original Message----- >From: Jesse Barnes [mailto:[EMAIL PROTECTED] >Sent: Monday, May 21, 2007 8:46 AM >To: Udo A. Steinberg >Cc: Pallipadi, Venkatesh; linux-kernel; Andrew Morton; Thomas >Gleixner; Andi Kleen; Ingo Molnar; Chris Wright >Subject: Re: [PATCH 4/8] Force detect and enable HPET on ICH > >On Sunday, May 20, 2007, Udo A. Steinberg wrote: >> On Mon, 7 May 2007 13:31:28 -0700 Venki Pallipadi (VP) wrote: >> >> VP> Force detect and/or enable HPET on ICH chipsets. This patch just >> handles the VP> detection part and following patches use this >> information. >> VP> >> VP> Signed-off-by: Venkatesh Pallipadi ><[EMAIL PROTECTED]> >> >> Venki, >> >> Is there any reason your patch only enables HPET on ICH6 and beyond? >> HPET can be enabled on earlier ICH by setting bit 17 in >GEN_CNTL on PCI >> dev 31, func 0, offset d0. This seems to work for ICH3/4/5. Are there >> any errata affecting these ICHs? > >I see it documented in the ICH5 datasheet, but that bit is >marked reserved >in the ICH3 and ICH4 datasheets... Which docs are you looking at? > >Jesse
The same bits are supported on ICH5 and ICH4M. I am about to send a patch to add PCIIDs of ICH5 and ICH4M to force_detect. These bits were reserved on ICH4 though. Thanks, Venki - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/