Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754571AbXIFH7o (ORCPT ); Thu, 6 Sep 2007 03:59:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752599AbXIFH7c (ORCPT ); Thu, 6 Sep 2007 03:59:32 -0400 Received: from nf-out-0910.google.com ([64.233.182.185]:30068 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752329AbXIFH7a (ORCPT ); Thu, 6 Sep 2007 03:59:30 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=NoS2bwdGxf3xT9+xim6bK07EzrqlBv0sjorL+jib20M4ULhRRsBDVLqIgvViH03jUn1B294MUGUHHBYuDHGFSBhylnCQnJblPWGOYbn8wIS5IG+CR86v5Nfglmlb/QcOORqwYZ5+yYPQQe7hh07Jlh4BZunHCIeuUBEmUrJz50M= Message-ID: <6278d2220709060059r604464fco2f5c341be29f5cd7@mail.gmail.com> Date: Thu, 6 Sep 2007 08:59:28 +0100 From: "Daniel J Blueman" To: "Mark Lord" , "Andrey Panin" , "Alan Cox" Subject: Re: ICH Intel PATA short cable override... Cc: "Tejun Heo" , jgarzik@pobox.com, linux-ide@vger.kernel.org, "Linux Kernel" In-Reply-To: <46DF63F8.8070805@rtr.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6278d2220709040537n4c96ffcagd9c25c94ddd29ca1@mail.gmail.com> <20070906014209.142382c8@the-village.bc.nu> <46DF63F8.8070805@rtr.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 13505 Lines: 426 On 06/09/07, Mark Lord wrote: > Alan Cox wrote: > > On Tue, 4 Sep 2007 13:37:22 +0100 > > "Daniel J Blueman" wrote: > > > >> We see that in ata_piix.c, there is a whitelist for (laptop) Intel ICH > >> controllers with short cables, tied to specific vendor subsystem IDs. > >> Since my mini-ITX Ibase MI910F has the subsystem IDs specified as > >> Intel [1], this is unusable. > >> > >> I can't find another existing mechanism to add short cable > >> information, to allow UDMA/66 for my on-board CF socket. > > > > DMI is the other approach (if your box has sane responses to the > > dmidecode command we can do this). > > No, something more flexible is needed here. > > For example, I have a Mini-ITX server here, which I personally have > equipped with a 3" 40W IDE cable that connects to a notebook drive. > > The system currently uses UDMA just fine with the IDE drivers, > but I have not been able to convert it to use the (stock) libata drivers > because of this silly lack of end-user control. > > We really need an override for this -- embedded folks would also apprecaate one. > Ditto for selecting transfer modes. > > Cheers Thanks for the great suggestions guys. The only useful DMI information the manufacturer has encoded [1], is the base board model name ('Crestline' here). This feels too generic to use, but the combination of no vendor name and the 'Crestline' model name may be specific enough, perhaps? I do agree with Mark that there should be some override, for normal PATA ports (as opposed to on-mobo sockets), since the user chooses the cable. Perhaps we need a port mask in the DMI whitelist too, and a port-general/specific override mechanism? Daniel --- [1] # dmidecode SMBIOS 2.3 present. 33 structures occupying 926 bytes. Table at 0x000F0800. Handle 0x0000, DMI type 0, 20 bytes BIOS Information Vendor: Phoenix Technologies, LTD Version: 6.00 PG Release Date: 05/14/2007 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 1024 kB Characteristics: ISA is supported PCI is supported PNP is supported APM is supported BIOS is upgradeable BIOS shadowing is allowed ESCD support is available Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/360 KB floppy services are supported (int 13h) 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 KB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported LS-120 boot is supported ATAPI Zip drive boot is supported BIOS boot specification is supported Handle 0x0001, DMI type 1, 25 bytes System Information Manufacturer: OEM Product Name: OEM Version: OEM Serial Number: OEM UUID: Not Present Wake-up Type: Power Switch Handle 0x0002, DMI type 2, 10 bytes Base Board Information Manufacturer: Unknown Product Name: Crestline Version: Unknown Serial Number: Handle 0x0003, DMI type 3, 17 bytes Chassis Information Manufacturer: OEM Type: Desktop Lock: Not Present Version: OEM Serial Number: Asset Tag: Boot-up State: Unknown Power Supply State: Unknown Thermal State: Unknown Security Status: Unknown OEM Information: 0x00000000 Handle 0x0004, DMI type 4, 35 bytes Processor Information Socket Designation: Socket 423 Type: Central Processor Family: Other Manufacturer: Intel ID: FA 06 00 00 FF FB EB BF Version: Intel(R) Voltage: 0.0 V External Clock: 200 MHz Max Speed: 4000 MHz Current Speed: 2000 MHz Status: Populated, Enabled Upgrade: ZIF Socket L1 Cache Handle: 0x0008 L2 Cache Handle: 0x0009 L3 Cache Handle: Not Provided Serial Number: Asset Tag: Part Number: Handle 0x0005, DMI type 5, 20 bytes Memory Controller Information Error Detecting Method: 8-bit Parity Error Correcting Capabilities: None Supported Interleave: One-way Interleave Current Interleave: One-way Interleave Maximum Memory Module Size: 2048 MB Maximum Total Memory Size: 4096 MB Supported Speeds: Other Supported Memory Types: DIMM Memory Module Voltage: 5.0 V Associated Memory Slots: 2 0x0006 0x0007 Enabled Error Correcting Capabilities: None Handle 0x0006, DMI type 6, 12 bytes Memory Module Information Socket Designation: A0 Bank Connections: 0 1 Current Speed: Unknown Type: DIMM Installed Size: 1024 MB (Double-bank Connection) Enabled Size: 1024 MB (Double-bank Connection) Error Status: OK Handle 0x0007, DMI type 6, 12 bytes Memory Module Information Socket Designation: A1 Bank Connections: None Current Speed: Unknown Type: Unknown Installed Size: Not Installed Enabled Size: Not Installed Error Status: OK Handle 0x0008, DMI type 7, 19 bytes Cache Information Socket Designation: Internal Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 32 KB Maximum Size: 32 KB Supported SRAM Types: Synchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x0009, DMI type 7, 19 bytes Cache Information Socket Designation: External Cache Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Back Location: External Installed Size: 4096 KB Maximum Size: 4096 KB Supported SRAM Types: Synchronous Installed SRAM Type: Synchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown Handle 0x000A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PRIMARY IDE Internal Connector Type: On Board IDE External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x000B, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SECONDARY IDE Internal Connector Type: On Board IDE External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x000C, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: FDD Internal Connector Type: On Board Floppy External Reference Designator: Not Specified External Connector Type: None Port Type: 8251 FIFO Compatible Handle 0x000D, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: COM1 Internal Connector Type: 9 Pin Dual Inline (pin 10 cut) External Reference Designator: External Connector Type: DB-9 male Port Type: Serial Port 16450 Compatible Handle 0x000E, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: COM2 Internal Connector Type: 9 Pin Dual Inline (pin 10 cut) External Reference Designator: External Connector Type: DB-9 male Port Type: Serial Port 16450 Compatible Handle 0x000F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: LPT1 Internal Connector Type: DB-25 female External Reference Designator: External Connector Type: DB-25 female Port Type: Parallel Port ECP/EPP Handle 0x0010, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Keyboard Internal Connector Type: PS/2 External Reference Designator: External Connector Type: PS/2 Port Type: Keyboard Port Handle 0x0011, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PS/2 Mouse Internal Connector Type: PS/2 External Reference Designator: External Connector Type: PS/2 Port Type: Mouse Port Handle 0x0012, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: None External Reference Designator: USB0 External Connector Type: Other Port Type: USB Handle 0x0013, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Not Specified Internal Connector Type: None External Reference Designator: USB1 External Connector Type: Other Port Type: USB Handle 0x0014, DMI type 9, 13 bytes System Slot Information Designation: PCI0 Type: 32-bit PCI Current Usage: Available Length: Long ID: 1 Characteristics: 5.0 V is provided PME signal is supported Handle 0x0015, DMI type 9, 13 bytes System Slot Information Designation: PCI1 Type: 32-bit PCI Current Usage: Available Length: Long ID: 2 Characteristics: 5.0 V is provided PME signal is supported Handle 0x0016, DMI type 9, 13 bytes System Slot Information Designation: PCI2 Type: 32-bit PCI Current Usage: In Use Length: Long ID: 3 Characteristics: 5.0 V is provided PME signal is supported Handle 0x0017, DMI type 9, 13 bytes System Slot Information Designation: PCI3 Type: 32-bit PCI Current Usage: In Use Length: Long ID: 4 Characteristics: 5.0 V is provided PME signal is supported Handle 0x0018, DMI type 13, 22 bytes BIOS Language Information Installable Languages: 3 n|US|iso8859-1 n|US|iso8859-1 r|CA|iso8859-1 Currently Installed Language: n|US|iso8859-1 Handle 0x0019, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 2 GB Error Information Handle: Not Provided Number Of Devices: 2 Handle 0x001A, DMI type 17, 27 bytes Memory Device Array Handle: 0x0019 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 1024 MB Form Factor: DIMM Set: None Locator: A0 Bank Locator: Bank0/1 Type: Unknown Type Detail: Synchronous Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x001B, DMI type 17, 27 bytes Memory Device Array Handle: 0x0019 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: A1 Bank Locator: Bank2/3 Type: Unknown Type Detail: Unknown Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Handle 0x001C, DMI type 19, 15 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Array Handle: 0x0019 Partition Width: 0 Handle 0x001D, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Device Handle: 0x001A Memory Array Mapped Address Handle: 0x001C Partition Row Position: 1 Handle 0x001E, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x000000003FF Range Size: 1 kB Physical Device Handle: 0x001B Memory Array Mapped Address Handle: 0x001C Partition Row Position: 1 Handle 0x001F, DMI type 32, 11 bytes System Boot Information Status: No errors detected Handle 0x0020, DMI type 127, 4 bytes End Of Table -- Daniel J Blueman - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in 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