From owner-svn-src-head@freebsd.org Sat Sep 24 07:55:50 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A2C9FBE6F52; Sat, 24 Sep 2016 07:55:50 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5C0D3126; Sat, 24 Sep 2016 07:55:50 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u8O7tn2w067555; Sat, 24 Sep 2016 07:55:49 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u8O7tn3K067554; Sat, 24 Sep 2016 07:55:49 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201609240755.u8O7tn3K067554@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Sat, 24 Sep 2016 07:55:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r306290 - head/sys/dev/amdsbwd X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Sep 2016 07:55:50 -0000 Author: avg Date: Sat Sep 24 07:55:49 2016 New Revision: 306290 URL: https://svnweb.freebsd.org/changeset/base/306290 Log: clarify description of the 0x790b1022 / "KERNCZ"/ "CZ" device MFC after: 5 days X-MFC with: r306218 Modified: head/sys/dev/amdsbwd/amd_chipset.h Modified: head/sys/dev/amdsbwd/amd_chipset.h ============================================================================== --- head/sys/dev/amdsbwd/amd_chipset.h Sat Sep 24 07:09:43 2016 (r306289) +++ head/sys/dev/amdsbwd/amd_chipset.h Sat Sep 24 07:55:49 2016 (r306290) @@ -36,18 +36,23 @@ * At present there are three classes of supported chipsets: * - SB600 and S7x0 southbridges where the SMBus controller device has * a PCI Device ID of 0x43851002 and a revision less than 0x40 - * - SB8x0, SB9x0 southbridges and FCHs where the SMBus controller device has - * a PCI Device ID of 0x43851002 and a revision greater than or equal to 0x40 - * or the controller has an ID of 0x780b1022 and a revision less than 0x41 - * - FCHs where the SMBus controller device has a PCI Device ID of 0x780b1022 - * and a revision greater than or equal to 0x41 + * - several types of southbridges and FCHs: + * o SB8x0, SB9x0 southbridges where the SMBus controller device has a PCI + * Device ID of 0x43851002 and a revision greater than or equal to 0x40 + * o FCHs where the controller has an ID of 0x780b1022 and a revision less + * than 0x41 (various revisions of "Hudson" and "Bolton") + * o FCHs where the controller has an ID of 0x790b1022 and a revision less + * than 0x49 + * - several types of southbridges and FCHs: + * o FCHs where the SMBus controller device has a PCI Device ID of 0x780b1022 + * and a revision greater than or equal to 0x41 (integrated into "Mullins" + * processors, code named "ML") + * o FCHs where the controller has an ID of 0x790b1022 and a revision greater + * than or equal to 0x49 (integrated into "Carrizo" processors, code named + * "KERNCZ" or "CZ") + * * The register definitions are compatible within the classes and may be * incompatible accross them. - * So far there is no public documentation for "KERNCZ" FCH where the SMBus - * controller has a PCI ID of 0x790b1022. Based on some code in Linux it is - * assumed that revisions less than 0x49 are compatible with the SB8x0 class - * and revisions greater than or equal to 0x49 are compatible with the class - * of FCHs with 0x41+ revisions. */ /*