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-rw-r--r--arch/mips/Kconfig131
1 files changed, 93 insertions, 38 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a92ce6b..130d825 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -10,7 +10,6 @@ menu "Machine selection"
config ZONE_DMA
bool
- default y
choice
prompt "System type"
@@ -133,7 +132,7 @@ config MIPS_MIRAGE
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
@@ -144,9 +143,10 @@ config BASLER_EXCITE
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
+ 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"
@@ -164,8 +164,9 @@ config MIPS_COBALT
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
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -175,7 +176,7 @@ config MACH_DECSTATION
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
@@ -205,11 +206,12 @@ config MIPS_EV64120
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 SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
help
This is an evaluation board based on the Galileo GT-64120
single-chip system controller that contains a MIPS R5000 compatible
@@ -240,13 +242,14 @@ config MACH_JAZZ
config LASAT
bool "LASAT Networks platforms"
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
@@ -254,11 +257,12 @@ config MIPS_ATLAS
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 MIPS_BONITO64
- select MIPS_GT64120
+ select PCI_GT64XXX_PCI0
select MIPS_MSC
select RM7000_CPU_SCACHE
select SWAP_IO_SPACE
@@ -272,6 +276,7 @@ config MIPS_ATLAS
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL
+ select SYS_SUPPORTS_SMARTMIPS
select GENERIC_HARDIRQS_NO__DO_IRQ
help
This enables support for the MIPS Technologies Atlas evaluation
@@ -290,7 +295,7 @@ config MIPS_MALTA
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
@@ -298,11 +303,13 @@ config MIPS_MALTA
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
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MULTITHREADING
+ select SYS_SUPPORTS_SMARTMIPS
help
This enables support for the MIPS Technologies Malta evaluation
board.
@@ -312,6 +319,7 @@ config MIPS_SEAD
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
@@ -320,6 +328,7 @@ config MIPS_SEAD
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_SMARTMIPS
help
This enables support for the MIPS Technologies SEAD evaluation
board.
@@ -330,7 +339,7 @@ config WR_PPMC
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
@@ -348,9 +357,11 @@ config WR_PPMC
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
@@ -371,9 +382,11 @@ config MOMENCO_JAGUAR_ATX
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 SYS_SUPPORTS_KGDB
help
The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
@@ -384,13 +397,14 @@ config MOMENCO_OCELOT
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 SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
help
The Ocelot is a MIPS-based Single Board Computer (SBC) made by
Momentum Computer <http://www.momenco.com/>.
@@ -455,11 +469,6 @@ config MIPS_XXS1500
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
@@ -480,6 +489,8 @@ config DDB5477
select SYS_HAS_CPU_R5432
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
+ select SYS_SUPPORTS_KGDB
+ select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_LITTLE_ENDIAN
help
This enables support for the R5432-based NEC DDB Vrc-5477,
@@ -489,10 +500,8 @@ config DDB5477
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
@@ -504,10 +513,12 @@ config PMC_YOSEMITE
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_HIGHMEM
+ select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_SMP
help
Yosemite is an evaluation board for the RM9000x2 processor
@@ -528,6 +539,8 @@ config QEMU
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
@@ -563,6 +576,7 @@ config SGI_IP22
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
@@ -577,13 +591,14 @@ config SGI_IP27
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_R10000
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_NUMA
select SYS_SUPPORTS_SMP
select GENERIC_HARDIRQS_NO__DO_IRQ
@@ -633,6 +648,7 @@ config SIBYTE_SWARM
select SYS_HAS_CPU_SB1
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_HIGHMEM
+ select SYS_SUPPORTS_KGDB
select SYS_SUPPORTS_LITTLE_ENDIAN
config SIBYTE_SENTOSA
@@ -726,16 +742,18 @@ config SNI_RM
select BOOT_ELF32
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
- select HAVE_STD_PC_SERIAL_PORT
select HW_HAS_EISA
select HW_HAS_PCI
+ select IRQ_CPU
select I8253
select I8259
select ISA
select SWAP_IO_SPACE if CPU_BIG_ENDIAN
select SYS_HAS_CPU_R4X00
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
@@ -758,6 +776,7 @@ config TOSHIBA_JMR3927
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"
@@ -772,6 +791,7 @@ config TOSHIBA_RBTX4927
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
select TOSHIBA_BOARDS
select GENERIC_HARDIRQS_NO__DO_IRQ
help
@@ -792,6 +812,7 @@ config TOSHIBA_RBTX4938
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_KGDB
select TOSHIBA_BOARDS
select GENERIC_HARDIRQS_NO__DO_IRQ
help
@@ -812,7 +833,6 @@ source "arch/mips/tx4927/Kconfig"
source "arch/mips/tx4938/Kconfig"
source "arch/mips/vr41xx/Kconfig"
source "arch/mips/philips/pnx8550/common/Kconfig"
-source "arch/mips/cobalt/Kconfig"
endmenu
@@ -882,10 +902,25 @@ config DMA_NEED_PCI_MAP_STATE
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
bool
+ select ZONE_DMA
config I8259
bool
@@ -909,6 +944,7 @@ config MIPS_DISABLE_OBSOLETE_IDE
config GENERIC_ISA_DMA_SUPPORT_BROKEN
bool
+ select ZONE_DMA
#
# Endianess selection. Sufficiently obscure so many users don't know what to
@@ -958,14 +994,12 @@ config IRQ_MV64340
config DDB5XXX_COMMON
bool
+ select SYS_SUPPORTS_KGDB
config MIPS_BOARDS_GEN
bool
-config MIPS_GT64111
- bool
-
-config MIPS_GT64120
+config PCI_GT64XXX_PCI0
bool
config MIPS_TX3927
@@ -1006,6 +1040,7 @@ config SOC_AU1X00
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_APM_EMULATION
+ select SYS_SUPPORTS_KGDB
config PNX8550
bool
@@ -1016,8 +1051,10 @@ config SOC_PNX8550
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 SWAP_IO_SPACE
bool
@@ -1066,7 +1103,7 @@ config BOOT_ELF32
config MIPS_L1_CACHE_SHIFT
int
- default "4" if MACH_DECSTATION
+ default "4" if MACH_DECSTATION || SNI_RM
default "7" if SGI_IP27
default "5"
@@ -1075,7 +1112,7 @@ config HAVE_STD_PC_SERIAL_PORT
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
@@ -1521,6 +1558,7 @@ config MIPS_MT_SMP
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_SRS
select MIPS_MT
+ select NR_CPUS_DEFAULT_2
select SMP
select SYS_SUPPORTS_SMP
help
@@ -1535,7 +1573,6 @@ config MIPS_MT_SMTC
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
@@ -1566,7 +1603,7 @@ config MIPS_MT_FPAFF
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
@@ -1626,6 +1663,18 @@ config 64BIT_PHYS_ADDR
config CPU_HAS_LLSC
bool
+config CPU_HAS_SMARTMIPS
+ depends on SYS_SUPPORTS_SMARTMIPS
+ bool "Support for the SmartMIPS ASE"
+ help
+ SmartMIPS is a extension of the MIPS32 architecture aimed at
+ increased security at both hardware and software level for
+ smartcards. Enabling this option will allow proper use of the
+ SmartMIPS instructions by Linux applications. However a kernel with
+ this option will not work on a MIPS core without SmartMIPS core. If
+ you don't know you probably don't have SmartMIPS and should say N
+ here.
+
config CPU_HAS_WB
bool
@@ -1689,6 +1738,9 @@ config CPU_SUPPORTS_HIGHMEM
config SYS_SUPPORTS_HIGHMEM
bool
+config SYS_SUPPORTS_SMARTMIPS
+ bool
+
config ARCH_FLATMEM_ENABLE
def_bool y
depends on !NUMA
@@ -1752,6 +1804,9 @@ config SMP
config SYS_SUPPORTS_SMP
bool
+config NR_CPUS_DEFAULT_1
+ bool
+
config NR_CPUS_DEFAULT_2
bool
@@ -1772,8 +1827,9 @@ config NR_CPUS_DEFAULT_64
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
@@ -1784,10 +1840,13 @@ config NR_CPUS
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
@@ -1862,10 +1921,6 @@ config HZ
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
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