From: Ralf Baechle Date: Tue, 12 Jul 2005 14:51:22 +0000 (+0000) Subject: MIPS 32/64 R2 config option. X-Git-Tag: firefly_0821_release~40855^2~1^2~148 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1e5f1caa5dc4398298a2b7c2638855881a5057c5;p=firefly-linux-kernel-4.4.55.git MIPS 32/64 R2 config option. Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 68c30288849a..749fa871e8e7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1054,6 +1054,21 @@ config CPU_MIPS32_R1 bool "MIPS32 Release 1" 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 @@ -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"