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authorRussell King <rmk@flint.arm.linux.org.uk>2002-02-20 19:30:51 +0000
committerRussell King <rmk@flint.arm.linux.org.uk>2002-02-20 19:30:51 +0000
commit56dca0ab3ab3f87164c8c44147f4e3f2a6891adb (patch)
tree1e7256e1357556d8cab479f3a1dc9f10e948e2dd
parent9ca7810dcf97bf53af59246c7371505f840068b7 (diff)
Add extra ARM help texts to arch/arm/Config.help, update some other
help texts.
-rw-r--r--arch/arm/Config.help113
1 files changed, 87 insertions, 26 deletions
diff --git a/arch/arm/Config.help b/arch/arm/Config.help
index 7b8bfc3f5574..5dcb3a722cd4 100644
--- a/arch/arm/Config.help
+++ b/arch/arm/Config.help
@@ -116,6 +116,16 @@ CONFIG_PCI_INTEGRATOR
information about which PCI hardware does work under Linux and which
doesn't.
+CONFIG_PREEMPT
+ This option reduces the latency of the kernel when reacting to
+ real-time or interactive events by allowing a low priority process to
+ be preempted even if it is in kernel mode executing a system call.
+ This allows applications to run more reliably even when the system is
+ under load.
+
+ Say Y here if you are building a kernel for a desktop, embedded
+ or real-time system. Say N if you are unsure.
+
CONFIG_MCA
MicroChannel Architecture is found in some IBM PS/2 machines and
laptops. It is a bus system similar to PCI or ISA. See
@@ -521,6 +531,10 @@ CONFIG_ARCH_EBSA285_HOST
Saying N will reduce the size of the Footbridge kernel.
+CONFIG_ARCH_IQ80310
+ Say Y here if you want to run your kernel on the Intel IQ80310
+ evaluation kit for the IOP310 chipset.
+
CONFIG_ARCH_L7200
Say Y here if you intend to run this kernel on a LinkUp Systems
L7200 Software Development Board which uses an ARM720T processor.
@@ -558,6 +572,13 @@ CONFIG_ARCH_PERSONAL_SERVER
If you have any questions or comments about the Compaq Personal
Server, send e-mail to skiff@crl.dec.com.
+CONFIG_PLD_HOTSWAP
+ This enables support for the dynamic loading and configuration of
+ compatible drivers when the contents of the PLD are changed. This
+ is still experimental and requires configuration tools which are
+ not yet generally available. Say N here. You must enable the kernel
+ module loader for this feature to work.
+
CONFIG_SA1100_ASSABET
Say Y here if you are using the Intel(R) StrongARM(R) SA-1110
Microprocessor Development Board (also known as the Assabet).
@@ -567,28 +588,14 @@ CONFIG_ASSABET_NEPONSET
Microprocessor Development Board (Assabet) with the SA-1111
Development Board (Nepon).
-CONFIG_SA1100_H3600
- Say Y here if you intend to run this kernel on the Compaq iPAQ
- H3600 handheld computer. Information about this machine and the
- Linux port to this machine can be found at:
-
- <http://www.handhelds.org/Compaq/index.html#iPAQ_H3600>
- <http://www.compaq.com/products/handhelds/pocketpc/>
+CONFIG_SA1100_BADGE4
+ Say Y here if you want to build a kernel for the HP Laboratories
+ BadgePAD 4.
CONFIG_SA1100_BRUTUS
Say Y here if you are using the Intel(R) StrongARM(R) SA-1100
Microprocessor Development Board (also known as the Brutus).
-CONFIG_SA1100_LART
- Say Y here if you are using the Linux Advanced Radio Terminal
- (also known as the LART). See <http://www.lart.tudelft.nl/> for
- information on the LART.
-
-CONFIG_SA1100_GRAPHICSCLIENT
- Say Y here if you are using an Applied Data Systems Intel(R)
- StrongARM(R) SA-1100 based Graphics Client SBC. See
- <http://www.flatpanels.com/> for information on this system.
-
CONFIG_SA1100_CERF
The Intrinsyc CerfBoard is based on the StrongARM 1110.
More information is available at:
@@ -602,6 +609,24 @@ CONFIG_SA1100_FLEXANET
handheld instruments. Information about this machine can be
found at: <http://www.flexanet.com/>.
+CONFIG_SA1100_GRAPHICSCLIENT
+ Say Y here if you are using an Applied Data Systems Intel(R)
+ StrongARM(R) SA-1100 based Graphics Client SBC. See
+ <http://www.flatpanels.com/> for information on this system.
+
+CONFIG_SA1100_H3600
+ Say Y here if you intend to run this kernel on the Compaq iPAQ
+ H3600 handheld computer. Information about this machine and the
+ Linux port to this machine can be found at:
+
+ <http://www.handhelds.org/Compaq/index.html#iPAQ_H3600>
+ <http://www.compaq.com/products/handhelds/pocketpc/>
+
+CONFIG_SA1100_LART
+ Say Y here if you are using the Linux Advanced Radio Terminal
+ (also known as the LART). See <http://www.lart.tudelft.nl/> for
+ information on the LART.
+
CONFIG_SA1100_NANOENGINE
The nanoEngine is a StrongARM 1110-based single board computer
from Bright Star Engineering. More information is available at:
@@ -619,6 +644,19 @@ CONFIG_SA1100_PANGOLIN
Say Y if configuring for a Pangolin.
Say N otherwise.
+CONFIG_SA1100_PFS168
+ The Radisys Corp. PFS-168 (aka Tulsa) is an IntelŪ StrongArmŪ SA-1110 based
+ computer which includes the SA-1111 Microprocessor Companion Chip and other
+ custom I/O designed to add connectivity and multimedia features for vending
+ and business machine applications. Say Y here if you require support for
+ this target.
+
+CONFIG_SA1100_SHANNON
+ The Shannon (also known as a Tuxscreen, and also as a IS2630) was a
+ limited edition webphone produced by Philips. The Shannon is a SA1100
+ platform with a 640x480 LCD, touchscreen, CIR keyboard, PCMCIA slots,
+ and a telco interface.
+
CONFIG_SA1100_VICTOR
Say Y here if you are using a Visu Aide Intel(R) StrongARM(R)
SA-1100 based Victor Digital Talking Book Reader. See
@@ -656,6 +694,31 @@ CONFIG_CPU_ARM920T
Say Y if you want support for the ARM920T processor.
Otherwise, say N.
+CONFIG_CPU_ARM922T
+ The ARM922T is a version of the ARM920T, but with smaller
+ instruction and data caches. It is used in Altera's
+ Excalibur XA device family.
+
+ Say Y if you want support for the ARM922T processor.
+ Otherwise, say N.
+
+CONFIG_CPU_ARM922_CPU_IDLE
+ Saying Y here will allow the processor to enter a low power
+ mode whilst waiting for an interrupt in idle. If you're unsure
+ say Y.
+
+CONFIG_CPU_ARM922_I_CACHE_ON
+ Say Y here to enable the processor instruction cache. Unless
+ you have a reason not to, say Y.
+
+CONFIG_CPU_ARM922_D_CACHE_ON
+ Say Y here to enable the processor data cache. Unless
+ you have a reason not to, say Y.
+
+CONFIG_CPU_ARM922_WRITETHROUGH
+ Say Y here to use the data cache in writethough mode. Unless you
+ specifically require this, say N.
+
CONFIG_CPU_ARM1020
The ARM1020 is the cached version of the ARM10 processor,
with an addition of a floating-point unit.
@@ -688,16 +751,14 @@ CONFIG_FPE_NWFPE
CONFIG_FPE_FASTFPE
Say Y here to include the FAST floating point emulator in the kernel.
- This is an experimental much faster emulator which has only 32 bit
+ This is an experimental much faster emulator which now also has full
precision for the mantissa. It does not support any exceptions.
- This makes it very simple, it is approximately 4-8 times faster than
- NWFPE.
-
- It should be sufficient for most programs. It is definitely not
- suitable if you do scientific calculations that need double
- precision for iteration formulas that sum up lots of very small
- numbers. If you do not feel you need a faster FP emulation you
- should better choose NWFPE.
+ It is very simple, and approximately 3-6 times faster than NWFPE.
+
+ It should be sufficient for most programs. It may be not suitable
+ for scientific calculations, but you have to check this for yourself.
+ If you do not feel you need a faster FP emulation you should better
+ choose NWFPE.
It is also possible to say M to build the emulator as a module
(fastfpe.o). But keep in mind that you should only load the FP