diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 87f0b79c6b1..ee5fbb02b28 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1067,6 +1067,7 @@ choice config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1084,6 +1085,7 @@ config CPU_MIPS32_R1 config CPU_MIPS32_R2 bool "MIPS32 Release 2" depends on SYS_HAS_CPU_MIPS32_R2 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1097,6 +1099,7 @@ config CPU_MIPS32_R2 config CPU_MIPS64_R1 bool "MIPS64 Release 1" depends on SYS_HAS_CPU_MIPS64_R1 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1115,6 +1118,7 @@ config CPU_MIPS64_R1 config CPU_MIPS64_R2 bool "MIPS64 Release 2" depends on SYS_HAS_CPU_MIPS64_R2 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1129,6 +1133,7 @@ config CPU_MIPS64_R2 config CPU_R3000 bool "R3000" depends on SYS_HAS_CPU_R3000 + select CPU_HAS_WB select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_HIGHMEM help @@ -1158,6 +1163,7 @@ config CPU_VR41XX config CPU_R4300 bool "R4300" depends on SYS_HAS_CPU_R4300 + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1166,6 +1172,7 @@ config CPU_R4300 config CPU_R4X00 bool "R4x00" depends on SYS_HAS_CPU_R4X00 + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1175,6 +1182,7 @@ config CPU_R4X00 config CPU_TX49XX bool "R49XX" depends on SYS_HAS_CPU_TX49XX + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1182,6 +1190,7 @@ config CPU_TX49XX config CPU_R5000 bool "R5000" depends on SYS_HAS_CPU_R5000 + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1190,12 +1199,14 @@ config CPU_R5000 config CPU_R5432 bool "R5432" depends on SYS_HAS_CPU_R5432 + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL config CPU_R6000 bool "R6000" depends on EXPERIMENTAL + select CPU_HAS_LLSC depends on SYS_HAS_CPU_R6000 select CPU_SUPPORTS_32BIT_KERNEL help @@ -1205,6 +1216,7 @@ config CPU_R6000 config CPU_NEVADA bool "RM52xx" depends on SYS_HAS_CPU_NEVADA + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL help @@ -1214,6 +1226,7 @@ config CPU_R8000 bool "R8000" depends on EXPERIMENTAL depends on SYS_HAS_CPU_R8000 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL help @@ -1223,6 +1236,7 @@ config CPU_R8000 config CPU_R10000 bool "R10000" depends on SYS_HAS_CPU_R10000 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1233,6 +1247,7 @@ config CPU_R10000 config CPU_RM7000 bool "RM7000" depends on SYS_HAS_CPU_RM7000 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1241,6 +1256,7 @@ config CPU_RM7000 config CPU_RM9000 bool "RM9000" depends on SYS_HAS_CPU_RM9000 + select CPU_HAS_LLSC select CPU_HAS_PREFETCH select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL @@ -1249,6 +1265,7 @@ config CPU_RM9000 config CPU_SB1 bool "SB1" depends on SYS_HAS_CPU_SB1 + select CPU_HAS_LLSC select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM @@ -1449,6 +1466,8 @@ choice config MIPS_MT_SMTC bool "SMTC: Use all TCs on all VPEs for SMP" + select CPU_MIPSR2_IRQ_VI + select CPU_MIPSR2_SRS select SMP config MIPS_MT_SMP @@ -1514,38 +1533,15 @@ 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 -config CPU_ADVANCED - bool "Override CPU Options" - depends on 32BIT - help - Saying yes here allows you to select support for various features - your CPU may or may not have. Most people should say N here. - config CPU_HAS_LLSC - bool "ll/sc Instructions available" if CPU_ADVANCED - default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX - help - MIPS R4000 series and later provide the Load Linked (ll) - and Store Conditional (sc) instructions. More information is - available at <http://www.go-ecs.com/mips/miptek1.htm>. - - Say Y here if your CPU has the ll and sc instructions. Say Y here - for better performance, N if you don't know. You must say Y here - for multiprocessor machines. + bool config CPU_HAS_WB - bool "Writeback Buffer available" if CPU_ADVANCED - default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION - help - Say N here for slightly better performance. You must say Y here for - machines which require flushing of write buffers in software. Saying - Y is the safe option; N may result in kernel malfunction and crashes. - -menu "MIPSR2 Interrupt handling" - depends on CPU_MIPSR2 && CPU_ADVANCED + bool config CPU_MIPSR2_IRQ_VI bool "Vectored interrupt mode" + depends on CPU_MIPSR2 help Vectored interrupt mode allowing faster dispatching of interrupts. The board support code needs to be written to take advantage of this @@ -1555,6 +1551,7 @@ config CPU_MIPSR2_IRQ_VI config CPU_MIPSR2_IRQ_EI bool "External interrupt controller mode" + depends on CPU_MIPSR2 help Extended interrupt mode takes advantage of an external interrupt controller to allow fast dispatching from many possible interrupt @@ -1568,7 +1565,6 @@ config CPU_MIPSR2_SRS Allow the kernel to use shadow register sets for fast interrupts. Interrupt handlers must be specially written to use shadow sets. Say N unless you know that shadow register set upport is needed. -endmenu config CPU_HAS_SYNC bool |