X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fide%2Fide.txt;h=0c78f4b1d9d9f1df5298e9147c058a32aee90353;hb=d2441183dc222d12961ff2201f5086c846505d93;hp=5bff93c89a23bf6c13dd1b83385596404e5213d7;hpb=6e87543a94fb2a966c81a61fc91246592f9719da;p=linux-2.6-omap-h63xx.git

diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index 5bff93c89a2..0c78f4b1d9d 100644
--- a/Documentation/ide/ide.txt
+++ b/Documentation/ide/ide.txt
@@ -82,17 +82,16 @@ Drives are normally found by auto-probing and/or examining the CMOS/BIOS data.
 For really weird situations, the apparent (fdisk) geometry can also be specified
 on the kernel "command line" using LILO.  The format of such lines is:
 
-	hdx=cyls,heads,sects
-or	hdx=cdrom
+	ide_core.chs=[interface_number.device_number]:cyls,heads,sects
+or	ide_core.cdrom=[interface_number.device_number]
 
-where hdx can be any of hda through hdh, Three values are required
-(cyls,heads,sects).  For example:
+For example:
 
-	hdc=1050,32,64  hdd=cdrom
+	ide_core.chs=1.0:1050,32,64  ide_core.cdrom=1.1
 
-either {hda,hdb} or {hdc,hdd}.  The results of successful auto-probing may
-override the physical geometry/irq specified, though the "original" geometry
-may be retained as the "logical" geometry for partitioning purposes (fdisk).
+The results of successful auto-probing may override the physical geometry/irq
+specified, though the "original" geometry may be retained as the "logical"
+geometry for partitioning purposes (fdisk).
 
 If the auto-probing during boot time confuses a drive (ie. the drive works
 with hd.c but not with ide.c), then an command line option may be specified
@@ -101,7 +100,7 @@ probe/identification sequence.  For example:
 
 	ide_core.noprobe=0.1
 or
-	hdc=768,16,32
+	ide_core.chs=1.0:768,16,32
 	ide_core.noprobe=1.0
 
 Note that when only one IDE device is attached to an interface, it should be
@@ -118,9 +117,9 @@ If for some reason your cdrom drive is *not* found at boot time, you can force
 the probe to look harder by supplying a kernel command line parameter
 via LILO, such as:
 
-	hdc=cdrom	/* hdc = "master" on second interface */
+	ide_core.cdrom=1.0	/* "master" on second interface (hdc) */
 or
-	hdd=cdrom	/* hdd = "slave" on second interface */
+	ide_core.cdrom=1.1	/* "slave" on second interface (hdd) */
 
 For example, a GW2000 system might have a hard drive on the primary
 interface (/dev/hda) and an IDE cdrom drive on the secondary interface
@@ -182,18 +181,6 @@ driver using the "options=" keyword to insmod, while replacing any ',' with
 Summary of ide driver parameters for kernel command line
 --------------------------------------------------------
 
- "hdx="  is recognized for all "x" from "a" to "u", such as "hdc".
-
- "hdx=cdrom"		: drive is present, and is a cdrom drive
-
- "hdx=cyl,head,sect"	: disk drive is present, with specified geometry
-
- "ide=doubler"		: probe/support IDE doublers on Amiga
-
-There may be more options than shown -- use the source, Luke!
-
-Everything else is rejected with a "BAD OPTION" message.
-
 For legacy IDE VLB host drivers (ali14xx/dtc2278/ht6560b/qd65xx/umc8672)
 you need to explicitly enable probing by using "probe" kernel parameter,
 i.e. to enable probing for ALI M14xx chipsets (ali14xx host driver) use:
@@ -210,6 +197,9 @@ are detected automatically).
 You also need to use "probe" kernel parameter for ide-4drives driver
 (support for IDE generic chipset with four drives on one port).
 
+To enable support for IDE doublers on Amiga use "doubler" kernel parameter
+for gayle host driver (i.e. "gayle.doubler" if the driver is built-in).
+
 To force ignoring cable detection (this should be needed only if you're using
 short 40-wires cable which cannot be automatically detected - if this is not
 a case please report it as a bug instead) use "ignore_cable" kernel parameter:
@@ -230,6 +220,10 @@ Other kernel parameters for ide_core are:
 
 * "nowerr=[interface_number.device_number]" to ignore the WRERR_STAT bit
 
+* "cdrom=[interface_number.device_number]" to force device as a CD-ROM
+
+* "chs=[interface_number.device_number]" to force device as a disk (using CHS)
+
 ================================================================================
 
 Some Terminology