select SYS_SUPPORTS_LITTLE_ENDIAN
config BASLER_EXCITE
- bool "Basler eXcite smart camera support"
+ bool "Basler eXcite smart camera"
select DMA_COHERENT
select HW_HAS_PCI
select IRQ_CPU
select SYS_SUPPORTS_KGDB
help
The eXcite is a smart camera platform manufactured by
- Basler Vision Technologies AG
+ Basler Vision Technologies AG.
config BASLER_EXCITE_PROTOTYPE
bool "Support for pre-release units"
select IRQ_CPU
select MIPS_GT64111
select SYS_HAS_CPU_NEVADA
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_LITTLE_ENDIAN
bool "DECstations"
select BOOT_ELF32
select DMA_NONCOHERENT
- select EARLY_PRINTK
+ select SYS_HAS_EARLY_PRINTK
select IRQ_CPU
select SYS_HAS_CPU_R3000
select SYS_HAS_CPU_R4X00
config LASAT
bool "LASAT Networks platforms"
select DMA_NONCOHERENT
+ select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select MIPS_GT64120
select MIPS_NILE4
select R5000_CPU_SCACHE
select SYS_HAS_CPU_R5000
select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+ select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_HARDIRQS_NO__DO_IRQ
bool "MIPS Atlas board"
select BOOT_ELF32
select DMA_NONCOHERENT
+ select SYS_HAS_EARLY_PRINTK
select IRQ_CPU
select HW_HAS_PCI
select MIPS_BOARDS_GEN
select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_CPU_NEVADA
select SYS_HAS_CPU_RM7000
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
depends on EXPERIMENTAL
select IRQ_CPU
select DMA_NONCOHERENT
+ select SYS_HAS_EARLY_PRINTK
select MIPS_BOARDS_GEN
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
config MIPS_SIM
bool 'MIPS simulator (MIPSsim)'
select DMA_NONCOHERENT
+ select SYS_HAS_EARLY_PRINTK
select IRQ_CPU
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
select SYS_HAS_CPU_RM9000
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SOC_AU1500
select SYS_SUPPORTS_LITTLE_ENDIAN
-config PNX8550_V2PCI
- bool "Philips PNX8550 based Viper2-PCI board"
- select PNX8550
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
config PNX8550_JBS
bool "Philips PNX8550 based JBS board"
select PNX8550
select IRQ_CPU_RM9K
select SWAP_IO_SPACE
select SYS_HAS_CPU_RM9000
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select ARCH_SPARSEMEM_ENABLE
select GENERIC_HARDIRQS_NO__DO_IRQ
+ select NR_CPUS_DEFAULT_1
+ select SYS_SUPPORTS_SMP
help
Qemu is a software emulator which among other architectures also
can simulate a MIPS32 4Kc system. This patch adds support for the
select SWAP_IO_SPACE
select SYS_HAS_CPU_R4X00
select SYS_HAS_CPU_R5000
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
select ARC64
select BOOT_ELF64
select DMA_IP27
- select EARLY_PRINTK
+ select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select NR_CPUS_DEFAULT_64
select PCI_DOMAINS
select SYS_HAS_CPU_R5000
select SYS_HAS_CPU_R10000
select R5000_CPU_SCACHE
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_BIG_ENDIAN
source "arch/mips/tx4938/Kconfig"
source "arch/mips/vr41xx/Kconfig"
source "arch/mips/philips/pnx8550/common/Kconfig"
-source "arch/mips/cobalt/Kconfig"
endmenu
bool
config EARLY_PRINTK
+ bool "Early printk" if EMBEDDED && DEBUG_KERNEL
+ depends on SYS_HAS_EARLY_PRINTK
+ default y
+ help
+ This option enables special console drivers which allow the kernel
+ to print messages very early in the bootup process.
+
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized. For normal operation
+ it is not recommended because it looks on some machines ugly and
+ oesn't cooperate with an X server. You should normally N here,
+ unless you want to debug such a crash.
+
+config SYS_HAS_EARLY_PRINTK
bool
config GENERIC_ISA_DMA
select DMA_NONCOHERENT
select HW_HAS_PCI
select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
select GENERIC_HARDIRQS_NO__DO_IRQ
select SYS_SUPPORTS_KGDB
config ARC_CONSOLE
bool "ARC console support"
- depends on SGI_IP22 || SNI_RM
+ depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
config ARC_MEMORY
bool
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_SRS
select MIPS_MT
+ select NR_CPUS_DEFAULT_2
select SMP
select SYS_SUPPORTS_SMP
help
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_SRS
select MIPS_MT
- select NR_CPUS_DEFAULT_2
select NR_CPUS_DEFAULT_8
select SMP
select SYS_SUPPORTS_SMP
config MIPS_MT_SMTC_INSTANT_REPLAY
bool "Low-latency Dispatch of Deferred SMTC IPIs"
- depends on MIPS_MT_SMTC
+ depends on MIPS_MT_SMTC && !PREEMPT
default y
help
SMTC pseudo-interrupts between TCs are deferred and queued
config SYS_SUPPORTS_SMP
bool
+config NR_CPUS_DEFAULT_1
+ bool
+
config NR_CPUS_DEFAULT_2
bool
config NR_CPUS
int "Maximum number of CPUs (2-64)"
- range 2 64
+ range 1 64 if NR_CPUS_DEFAULT_1
depends on SMP
+ default "1" if NR_CPUS_DEFAULT_1
default "2" if NR_CPUS_DEFAULT_2
default "4" if NR_CPUS_DEFAULT_4
default "8" if NR_CPUS_DEFAULT_8
This allows you to specify the maximum number of CPUs which this
kernel will support. The maximum supported value is 32 for 32-bit
kernel and 64 for 64-bit kernels; the minimum value which makes
- sense is 2.
+ sense is 1 for Qemu (useful only for kernel debugging purposes)
+ and 2 for all others.
This is purely to save memory - each supported CPU adds
- approximately eight kilobytes to the kernel image.
+ approximately eight kilobytes to the kernel image. For best
+ performance should round up your number of processors to the next
+ power of two.
#
# Timer Interrupt Frequency Configuration
source "kernel/Kconfig.preempt"
-config RTC_DS1742
- bool "DS1742 BRAM/RTC support"
- depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
-
config MIPS_INSANE_LARGE
bool "Support for large 64-bit configurations"
depends on CPU_R10000 && 64BIT