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| author | Ralf Baechle <ralf@linux-mips.org> | 2005-07-12 16:51:22 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:31:44 +0200 |
| commit | 1e5f1caa5dc4398298a2b7c2638855881a5057c5 (patch) | |
| tree | 346ed9762414b3bcc84a438534b1ebdb903f2de3 /arch/mips/Kconfig | |
| parent | Use clz / dclz on MIPS32 / MIPS64 processors. (diff) | |
| download | linux-1e5f1caa5dc4398298a2b7c2638855881a5057c5.tar.xz linux-1e5f1caa5dc4398298a2b7c2638855881a5057c5.zip | |
MIPS 32/64 R2 config option.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 31 |
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" |