|
@@ -1050,14 +1050,28 @@ choice
|
|
prompt "CPU type"
|
|
prompt "CPU type"
|
|
default CPU_R4X00
|
|
default CPU_R4X00
|
|
|
|
|
|
-config CPU_MIPS32
|
|
|
|
- bool "MIPS32"
|
|
|
|
|
|
+config CPU_MIPS32_R1
|
|
|
|
+ bool "MIPS32 Release 1"
|
|
select CPU_SUPPORTS_32BIT_KERNEL
|
|
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_32BIT_KERNEL
|
|
select CPU_SUPPORTS_64BIT_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
|
|
config CPU_R3000
|
|
bool "R3000"
|
|
bool "R3000"
|
|
@@ -1253,7 +1267,7 @@ config SB1_PASS_2_1_WORKAROUNDS
|
|
|
|
|
|
config 64BIT_PHYS_ADDR
|
|
config 64BIT_PHYS_ADDR
|
|
bool "Support for 64-bit physical address space"
|
|
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
|
|
config CPU_ADVANCED
|
|
bool "Override CPU Options"
|
|
bool "Override CPU Options"
|
|
@@ -1276,7 +1290,7 @@ config CPU_HAS_LLSC
|
|
|
|
|
|
config CPU_HAS_LLDSCD
|
|
config CPU_HAS_LLDSCD
|
|
bool "lld/scd Instructions available" if CPU_ADVANCED
|
|
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
|
|
help
|
|
Say Y here if your CPU has the lld and scd instructions, the 64-bit
|
|
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
|
|
equivalents of ll and sc. Say Y here for better performance, N if
|