From: Maciej Soltysiak <solt@dns.toxicfilms.tv> this patches updates Documentation/ide.txt to reflect more options that really are supported by the IDE driver (drivers/ide.c) Documentation/ide.txt | 42 +++++++++++++++++++++++++++++++++++++----- drivers/ide/ide.c | 2 +- 2 files changed, 38 insertions(+), 6 deletions(-) diff -puN Documentation/ide.txt~ide-docs-update Documentation/ide.txt --- 25/Documentation/ide.txt~ide-docs-update 2003-08-26 02:50:57.000000000 -0700 +++ 25-akpm/Documentation/ide.txt 2003-08-26 02:50:57.000000000 -0700 @@ -1,5 +1,5 @@ - Information regarding the Enhanced IDE drive in Linux 2.5 + Information regarding the Enhanced IDE drive in Linux 2.6 ============================================================================== @@ -242,8 +242,23 @@ Summary of ide driver parameters for ker and quite likely to cause trouble with older/odd IDE drives. + "hdx=biostimings" : driver will NOT attempt to tune interface speed + (DMA/PIO) but always honour BIOS timings. + "hdx=slow" : insert a huge pause after each access to the data port. Should be used only as a last resort. + + "hdx=swapdata" : when the drive is a disk, byte swap all data + + "hdx=bswap" : same as above.......... + + "hdx=flash" : allows for more than one ata_flash disk to be + registered. In most cases, only one device + will be present. + + "hdx=scsi" : the return of the ide-scsi flag, this is useful for + allowing ide-floppy, ide-tape, and ide-cdrom|writers + to use ide-scsi emulation on a device specific option. "hdxlun=xx" : set the drive last logical unit @@ -277,27 +292,41 @@ Summary of ide driver parameters for ker "idex=noautotune" : driver will NOT attempt to tune interface speed This is the default for most chipsets, except the cmd640. + + "idex=biostimings" : driver will NOT attempt to tune interface speed + (DMA/PIO) but always honour BIOS timings. "idex=serialize" : do not overlap operations on idex. Please note that you will have to specify this option for both the respecitve primary and secondary channel to take effect. + + "idex=four" : four drives on idex and ide(x^1) share same ports "idex=reset" : reset interface after probe "idex=dma" : automatically configure/use DMA if possible. -The following are valid ONLY on ide0, which usually corresponds to the first -ATA interface found on the particular host, and the defaults for the base,ctl -ports must not be altered. + "idex=ata66" : informs the interface that it has an 80c cable + for chipsets that are ATA-66 capable, but the + ability to bit test for detection is currently + unknown. + + "ide=reverse" : formerly called to pci sub-system, but now local. + +The following are valid ONLY on ide0 (except dc4030), which usually corresponds +to the first ATA interface found on the particular host, and the defaults for +the base,ctl ports must not be altered. "ide0=dtc2278" : probe/support DTC2278 interface "ide0=ht6560b" : probe/support HT6560B interface "ide0=cmd640_vlb" : *REQUIRED* for VLB cards with the CMD640 chip (not for PCI -- automatically detected) "ide0=qd65xx" : probe/support qd65xx interface - "ide0=ali14xx" : probe/support ali14xx chipsets (ALI M1439/M1445) + "ide0=ali14xx" : probe/support ali14xx chipsets (ALI M1439/M1443/M1445) "ide0=umc8672" : probe/support umc8672 chipsets + "idex=dc4030" : probe/support Promise DC4030VL interface + "ide=doubler" : probe/support IDE doublers on Amiga There may be more options than shown -- use the source, Luke! @@ -375,3 +404,6 @@ mlord@pobox.com Wed Apr 17 22:52:44 CEST 2002 edited by Marcin Dalecki, the current maintainer. + +Wed Aug 20 22:31:29 CEST 2003 updated ide boot uptions to current ide.c +comments at 2.6.0-test4 time. Maciej Soltysiak <solt@dns.toxicfilms.tv> diff -puN drivers/ide/ide.c~ide-docs-update drivers/ide/ide.c --- 25/drivers/ide/ide.c~ide-docs-update 2003-08-26 02:50:57.000000000 -0700 +++ 25-akpm/drivers/ide/ide.c 2003-08-26 02:50:57.000000000 -0700 @@ -1875,7 +1875,7 @@ static int __initdata is_chipset_set[MAX * registered. In most cases, only one device * will be present. * "hdx=scsi" : the return of the ide-scsi flag, this is useful for - * allowwing ide-floppy, ide-tape, and ide-cdrom|writers + * allowing ide-floppy, ide-tape, and ide-cdrom|writers * to use ide-scsi emulation on a device specific option. * "idebus=xx" : inform IDE driver of VESA/PCI bus speed in MHz, * where "xx" is between 20 and 66 inclusive, _