config ZONE_DMA
bool
- default y
choice
prompt "System type"
select HW_HAS_PCI
select I8259
select IRQ_CPU
- select MIPS_GT64111
+ select PCI_GT64XXX_PCI0
select SYS_HAS_CPU_NEVADA
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_32BIT_KERNEL
depends on EXPERIMENTAL
select DMA_NONCOHERENT
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select SYS_HAS_CPU_R5000
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select DMA_NONCOHERENT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
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
select HW_HAS_PCI
select MIPS_BOARDS_GEN
select MIPS_BONITO64
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_MSC
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
select MIPS_BOARDS_GEN
select MIPS_BONITO64
select MIPS_CPU_SCACHE
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_MSC
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select BOOT_ELF32
select DMA_NONCOHERENT
select HW_HAS_PCI
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
select HW_HAS_PCI
select IRQ_CPU
select IRQ_CPU_RM7K
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
select SYS_HAS_CPU_RM7000
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
ether port USB, AC97, PCI, etc.
config MACH_VR41XX
- bool "NEC VR41XX-based machines"
+ bool "NEC VR4100 series based machines"
select SYS_HAS_CPU_VR41XX
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select GENERIC_HARDIRQS_NO__DO_IRQ
config PMC_YOSEMITE
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 SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_BIG_ENDIAN
select TOSHIBA_BOARDS
+ select GENERIC_HARDIRQS_NO__DO_IRQ
config TOSHIBA_RBTX4927
bool "Toshiba TBTX49[23]7 board"
config GENERIC_ISA_DMA
bool
+ select ZONE_DMA
config I8259
bool
config GENERIC_ISA_DMA_SUPPORT_BROKEN
bool
+ select ZONE_DMA
#
# Endianess selection. Sufficiently obscure so many users don't know what to
config MIPS_BOARDS_GEN
bool
-config MIPS_GT64111
- bool
-
-config MIPS_GT64120
+config PCI_GT64XXX_PCI0
bool
config MIPS_TX3927
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
projects / powerpc.git / blobdiff