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authorPaul Mundt <lethal@linux-sh.org>2007-11-09 07:45:42 +0300
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 07:18:41 +0300
commit4690bdc7c6e4f18fb58350ccde40df5fcd85a6d9 (patch)
treebef3ae2a5e2bae9d50d450fe094da48bf30fcc5e /arch
parent114f132975ae8db3caa0c3420dc1083bae8d3757 (diff)
downloadlinux-4690bdc7c6e4f18fb58350ccde40df5fcd85a6d9.tar.xz
sh: Consolidate CPU features in Kconfig.cpu.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/Kconfig.cpu102
-rw-r--r--arch/sh/Kconfig.sh104
-rw-r--r--arch/sh/Kconfig.sh6416
3 files changed, 104 insertions, 118 deletions
diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu
new file mode 100644
index 000000000000..9f329dff88b1
--- /dev/null
+++ b/arch/sh/Kconfig.cpu
@@ -0,0 +1,102 @@
+menu "Processor features"
+
+choice
+ prompt "Endianess selection"
+ default CPU_LITTLE_ENDIAN
+ help
+ Some SuperH machines can be configured for either little or big
+ endian byte order. These modes require different kernels.
+
+config CPU_LITTLE_ENDIAN
+ bool "Little Endian"
+
+config CPU_BIG_ENDIAN
+ bool "Big Endian"
+
+endchoice
+
+config SH_FPU
+ bool "FPU support"
+ depends on CPU_HAS_FPU
+ default y
+ help
+ Selecting this option will enable support for SH processors that
+ have FPU units (ie, SH77xx).
+
+ This option must be set in order to enable the FPU.
+
+config SH_FPU_EMU
+ bool "FPU emulation support"
+ depends on !SH_FPU && EXPERIMENTAL
+ default n
+ help
+ Selecting this option will enable support for software FPU emulation.
+ Most SH-3 users will want to say Y here, whereas most SH-4 users will
+ want to say N.
+
+config SH_DSP
+ bool "DSP support"
+ depends on CPU_HAS_DSP
+ default y
+ help
+ Selecting this option will enable support for SH processors that
+ have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
+
+ This option must be set in order to enable the DSP.
+
+config SH_ADC
+ bool "ADC support"
+ depends on CPU_SH3
+ default y
+ help
+ Selecting this option will allow the Linux kernel to use SH3 on-chip
+ ADC module.
+
+ If unsure, say N.
+
+config SH_STORE_QUEUES
+ bool "Support for Store Queues"
+ depends on CPU_SH4
+ help
+ Selecting this option will enable an in-kernel API for manipulating
+ the store queues integrated in the SH-4 processors.
+
+config SPECULATIVE_EXECUTION
+ bool "Speculative subroutine return"
+ depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
+ help
+ This enables support for a speculative instruction fetch for
+ subroutine return. There are various pitfalls associated with
+ this, as outlined in the SH7780 hardware manual.
+
+ If unsure, say N.
+
+config CPU_HAS_INTEVT
+ bool
+
+config CPU_HAS_MASKREG_IRQ
+ bool
+
+config CPU_HAS_IPR_IRQ
+ bool
+
+config CPU_HAS_SR_RB
+ bool
+ help
+ This will enable the use of SR.RB register bank usage. Processors
+ that are lacking this bit must have another method in place for
+ accomplishing what is taken care of by the banked registers.
+
+ See <file:Documentation/sh/register-banks.txt> for further
+ information on SR.RB and register banking in the kernel in general.
+
+config CPU_HAS_PTEA
+ bool
+
+config CPU_HAS_DSP
+ bool
+
+config CPU_HAS_FPU
+ bool
+
+endmenu
diff --git a/arch/sh/Kconfig.sh b/arch/sh/Kconfig.sh
index e6721b8e9dc1..23eea5cf4ca0 100644
--- a/arch/sh/Kconfig.sh
+++ b/arch/sh/Kconfig.sh
@@ -291,109 +291,7 @@ config CPU_SUBTYPE_SH7722
endchoice
source "arch/sh/mm/Kconfig"
-
-menu "Processor features"
-
-choice
- prompt "Endianess selection"
- default CPU_LITTLE_ENDIAN
- help
- Some SuperH machines can be configured for either little or big
- endian byte order. These modes require different kernels.
-
-config CPU_LITTLE_ENDIAN
- bool "Little Endian"
-
-config CPU_BIG_ENDIAN
- bool "Big Endian"
-
-endchoice
-
-config SH_FPU
- bool "FPU support"
- depends on CPU_HAS_FPU
- default y
- help
- Selecting this option will enable support for SH processors that
- have FPU units (ie, SH77xx).
-
- This option must be set in order to enable the FPU.
-
-config SH_FPU_EMU
- bool "FPU emulation support"
- depends on !SH_FPU && EXPERIMENTAL
- default n
- help
- Selecting this option will enable support for software FPU emulation.
- Most SH-3 users will want to say Y here, whereas most SH-4 users will
- want to say N.
-
-config SH_DSP
- bool "DSP support"
- depends on CPU_HAS_DSP
- default y
- help
- Selecting this option will enable support for SH processors that
- have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
-
- This option must be set in order to enable the DSP.
-
-config SH_ADC
- bool "ADC support"
- depends on CPU_SH3
- default y
- help
- Selecting this option will allow the Linux kernel to use SH3 on-chip
- ADC module.
-
- If unsure, say N.
-
-config SH_STORE_QUEUES
- bool "Support for Store Queues"
- depends on CPU_SH4
- help
- Selecting this option will enable an in-kernel API for manipulating
- the store queues integrated in the SH-4 processors.
-
-config SPECULATIVE_EXECUTION
- bool "Speculative subroutine return"
- depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
- help
- This enables support for a speculative instruction fetch for
- subroutine return. There are various pitfalls associated with
- this, as outlined in the SH7780 hardware manual.
-
- If unsure, say N.
-
-config CPU_HAS_INTEVT
- bool
-
-config CPU_HAS_MASKREG_IRQ
- bool
-
-config CPU_HAS_IPR_IRQ
- bool
-
-config CPU_HAS_SR_RB
- bool
- help
- This will enable the use of SR.RB register bank usage. Processors
- that are lacking this bit must have another method in place for
- accomplishing what is taken care of by the banked registers.
-
- See <file:Documentation/sh/register-banks.txt> for further
- information on SR.RB and register banking in the kernel in general.
-
-config CPU_HAS_PTEA
- bool
-
-config CPU_HAS_DSP
- bool
-
-config CPU_HAS_FPU
- bool
-
-endmenu
+source "arch/sh/Kconfig.cpu"
menu "Board support"
diff --git a/arch/sh/Kconfig.sh64 b/arch/sh/Kconfig.sh64
index 20db5e0c1401..10f5d30d3184 100644
--- a/arch/sh/Kconfig.sh64
+++ b/arch/sh/Kconfig.sh64
@@ -99,21 +99,7 @@ config CPU_SUBTYPE_SH5_103
endchoice
-choice
- prompt "Endianness"
- default LITTLE_ENDIAN
-
-config LITTLE_ENDIAN
- bool "Little-Endian"
-
-config BIG_ENDIAN
- bool "Big-Endian"
-
-endchoice
-
-config SH_FPU
- bool "FPU support"
- default y
+source "arch/sh/Kconfig.cpu"
config SH64_FPU_DENORM_FLUSH
depends on SH_FPU