linux-kernel - Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]

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Date:	Thu, 20 Dec 2007 23:07:03 -0500
From:	Tony Camuso <tcamuso@...hat.com>
To:	Loic Prylli <loic@...i.com>
CC:	Robert Hancock <hancockr@...w.ca>, Greg KH <gregkh@...e.de>,
	linux-kernel@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz,
	"Chumbalkar, Nagananda" <Nagananda.Chumbalkar@...com>,
	Prarit Bhargava <prarit@...hat.com>, bnagendr@...hat.com
Subject: Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]

Loic Prylli wrote:
> 
> Just curious, do you know of any system where that recommendation was
> not followed? On all motherboards where I have seen a AMD-8131 or a
> AMD-8132, they were alone on their hypertransport link, and other
> "northbridges" (more precisely hypertransport to pci-express or
> pci-whatever, often nvidia) with a "MMCONFIG BAR" where on one of the
> other available hypertransport links in the system.
> 
> 
> Loic
> 

Here is the PCI configuration of the HP DL585G2.

You can see two nVidia CK804 PCIE root ports at bus 0 and bus 0x40.
Each of them has an 8132 connected as a subordinate bridge.

[root@...dl585g2-01 ~]# lspci -vt
-+-[0000:40]-+-00.0  nVidia Corporation CK804 Memory Controller
  |           +-01.0  nVidia Corporation CK804 Memory Controller
  |           +-0b.0-[0000:4f-51]--
  |           +-0c.0-[0000:4c-4e]--
  |           +-0d.0-[0000:49-4b]--
  |           +-0e.0-[0000:46-48]--
  |           +-10.0-[0000:41]--+-01.0  Broadcom Corporation NetXtreme II BCM5706 Gigabit Ethernet
  |           |                 \-02.0  Broadcom Corporation NetXtreme II BCM5706 Gigabit Ethernet
  |           +-10.1  Advanced Micro Devices [AMD] AMD-8132 PCI-X IOAPIC
  |           +-11.0-[0000:42-45]--
  |           \-11.1  Advanced Micro Devices [AMD] AMD-8132 PCI-X IOAPIC
  \-[0000:00]-+-00.0  nVidia Corporation CK804 Memory Controller
              +-01.0  nVidia Corporation CK804 ISA Bridge
              +-02.0  nVidia Corporation CK804 USB Controller
              +-02.1  nVidia Corporation CK804 USB Controller
              +-06.0  nVidia Corporation CK804 IDE
              +-09.0-[0000:01]--+-03.0  ATI Technologies Inc ES1000
              |                 +-04.0  Compaq Computer Corporation Integrated Lights Out Controller
              |                 +-04.2  Compaq Computer Corporation Integrated Lights Out  Processor
              |                 +-04.4  Hewlett-Packard Company Proliant iLO2 virtual USB controller
              |                 \-04.6  Hewlett-Packard Company Proliant iLO2 virtual UART
              +-0c.0-[0000:08-0a]----00.0  Hewlett-Packard Company Smart Array Controller
              +-0d.0-[0000:05-07]--
              +-0e.0-[0000:02-04]--
              +-18.0  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
              +-18.1  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
              +-18.2  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
              +-18.3  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
              +-19.0  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
              +-19.1  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
              +-19.2  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
              +-19.3  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
              +-1a.0  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
              +-1a.1  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
              +-1a.2  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
              +-1a.3  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
              +-1b.0  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
              +-1b.1  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
              +-1b.2  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
              \-1b.3  Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
[root@...dl585g2-01 ~]#













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