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-rw-r--r--arch/mips/Kconfig26
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0ca63e7ce0a7..a4c62c72aa89 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1050,14 +1050,28 @@ choice
prompt "CPU type"
default CPU_R4X00
-config CPU_MIPS32
- bool "MIPS32"
+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 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
+ specific type of processor in your system, choose those that one
+ otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
-config CPU_MIPS64
- bool "MIPS64"
+config CPU_MIPS64_R1
+ bool "MIPS64 Release 1"
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_HAS_PREFETCH
+ help
+ Choose this option to build a kernel for release 1 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"
@@ -1253,7 +1267,7 @@ config SB1_PASS_2_1_WORKAROUNDS
config 64BIT_PHYS_ADDR
bool "Support for 64-bit physical address space"
- depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
+ depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
config CPU_ADVANCED
bool "Override CPU Options"
@@ -1276,7 +1290,7 @@ config CPU_HAS_LLSC
config CPU_HAS_LLDSCD
bool "lld/scd Instructions available" if CPU_ADVANCED
- default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
+ default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
help
Say Y here if your CPU has the lld and scd instructions, the 64-bit
equivalents of ll and sc. Say Y here for better performance, N if