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authorRalf Baechle <ralf@linux-mips.org>2005-07-12 14:51:22 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:44 +0100
commit1e5f1caa5dc4398298a2b7c2638855881a5057c5 (patch)
tree346ed9762414b3bcc84a438534b1ebdb903f2de3 /arch
parent6590326505e3f7b4b57793e84760e9920c3c56b4 (diff)
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MIPS 32/64 R2 config option.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 68c30288849a..749fa871e8e7 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1055,6 +1055,21 @@ config CPU_MIPS32_R1
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_HAS_PREFETCH
help
+ Choose this option to build a kernel for release 2 or later of the
+ MIPS32 architecture. Most modern embedded systems with a 32-bit
+ MIPS processor are based on a MIPS32 processor. If you know the
+ specific type of processor in your system, choose those that one
+ otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
+ Release 2 of the MIPS32 architecture is available since several
+ years so chances are you even have a MIPS32 Release 2 processor
+ in which case you should choose CPU_MIPS32_R2 instead for better
+ performance.
+
+config CPU_MIPS32_R2
+ bool "MIPS32 Release 2"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_HAS_PREFETCH
+ help
Choose this option to build a kernel for release 1 or later of the
MIPS32 architecture. Most modern embedded systems with a 32-bit
MIPS processor are based on a MIPS32 processor. If you know the
@@ -1072,6 +1087,22 @@ config CPU_MIPS64_R1
MIPS processor are based on a MIPS64 processor. If you know the
specific type of processor in your system, choose those that one
otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
+ Release 2 of the MIPS64 architecture is available since several
+ years so chances are you even have a MIPS64 Release 2 processor
+ in which case you should choose CPU_MIPS64_R2 instead for better
+ performance.
+
+config CPU_MIPS64_R2
+ bool "MIPS64 Release 2"
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_HAS_PREFETCH
+ help
+ Choose this option to build a kernel for release 2 or later of the
+ MIPS64 architecture. Many modern embedded systems with a 64-bit
+ MIPS processor are based on a MIPS64 processor. If you know the
+ specific type of processor in your system, choose those that one
+ otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
config CPU_R3000
bool "R3000"
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