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fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git] / arch / sh / mm / Kconfig
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index fb586b1..29f4ee3 100644 (file)
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -4,8 +4,12 @@ menu "Processor selection"
 # Processor families
 #
 config CPU_SH2
 # Processor families
 #
 config CPU_SH2
+       select SH_WRITETHROUGH if !CPU_SH2A
        bool
        bool
-       select SH_WRITETHROUGH
+
+config CPU_SH2A
+       bool
+       select CPU_SH2
 
 config CPU_SH3
        bool
 
 config CPU_SH3
        bool
@@ -16,17 +20,24 @@ config CPU_SH4
        bool
        select CPU_HAS_INTEVT
        select CPU_HAS_SR_RB
        bool
        select CPU_HAS_INTEVT
        select CPU_HAS_SR_RB
+       select CPU_HAS_PTEA if !CPU_SUBTYPE_ST40
 
 config CPU_SH4A
        bool
        select CPU_SH4
 
 config CPU_SH4A
        bool
        select CPU_SH4
-       select CPU_HAS_INTC2_IRQ
+
+config CPU_SH4AL_DSP
+       bool
+       select CPU_SH4A
 
 config CPU_SUBTYPE_ST40
        bool
        select CPU_SH4
        select CPU_HAS_INTC2_IRQ
 
 
 config CPU_SUBTYPE_ST40
        bool
        select CPU_SH4
        select CPU_HAS_INTC2_IRQ
 
+config CPU_SHX2
+       bool
+
 #
 # Processor subtypes
 #
 #
 # Processor subtypes
 #
@@ -37,6 +48,16 @@ config CPU_SUBTYPE_SH7604
        bool "Support SH7604 processor"
        select CPU_SH2
 
        bool "Support SH7604 processor"
        select CPU_SH2
 
+config CPU_SUBTYPE_SH7619
+       bool "Support SH7619 processor"
+       select CPU_SH2
+
+comment "SH-2A Processor Support"
+
+config CPU_SUBTYPE_SH7206
+       bool "Support SH7206 processor"
+       select CPU_SH2A
+
 comment "SH-3 Processor Support"
 
 config CPU_SUBTYPE_SH7300
 comment "SH-3 Processor Support"
 
 config CPU_SUBTYPE_SH7300
@@ -48,6 +69,12 @@ config CPU_SUBTYPE_SH7705
        select CPU_SH3
        select CPU_HAS_PINT_IRQ
 
        select CPU_SH3
        select CPU_HAS_PINT_IRQ
 
+config CPU_SUBTYPE_SH7706
+       bool "Support SH7706 processor"
+       select CPU_SH3
+       help
+         Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
+
 config CPU_SUBTYPE_SH7707
        bool "Support SH7707 processor"
        select CPU_SH3
 config CPU_SUBTYPE_SH7707
        bool "Support SH7707 processor"
        select CPU_SH3
@@ -69,11 +96,18 @@ config CPU_SUBTYPE_SH7709
        help
          Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 
        help
          Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 
+config CPU_SUBTYPE_SH7710
+       bool "Support SH7710 processor"
+       select CPU_SH3
+       help
+         Select SH7710 if you have a SH3-DSP SH7710 CPU.
+
 comment "SH-4 Processor Support"
 
 config CPU_SUBTYPE_SH7750
        bool "Support SH7750 processor"
        select CPU_SH4
 comment "SH-4 Processor Support"
 
 config CPU_SUBTYPE_SH7750
        bool "Support SH7750 processor"
        select CPU_SH4
+       select CPU_HAS_IPR_IRQ
        help
          Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
 
        help
          Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
 
@@ -89,15 +123,18 @@ config CPU_SUBTYPE_SH7750R
        bool "Support SH7750R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
        bool "Support SH7750R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
+       select CPU_HAS_IPR_IRQ
 
 config CPU_SUBTYPE_SH7750S
        bool "Support SH7750S processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
 
 config CPU_SUBTYPE_SH7750S
        bool "Support SH7750S processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7750
+       select CPU_HAS_IPR_IRQ
 
 config CPU_SUBTYPE_SH7751
        bool "Support SH7751 processor"
        select CPU_SH4
 
 config CPU_SUBTYPE_SH7751
        bool "Support SH7751 processor"
        select CPU_SH4
+       select CPU_HAS_IPR_IRQ
        help
          Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
          or if you have a HD6417751R CPU.
        help
          Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
          or if you have a HD6417751R CPU.
@@ -106,6 +143,7 @@ config CPU_SUBTYPE_SH7751R
        bool "Support SH7751R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7751
        bool "Support SH7751R processor"
        select CPU_SH4
        select CPU_SUBTYPE_SH7751
+       select CPU_HAS_IPR_IRQ
 
 config CPU_SUBTYPE_SH7760
        bool "Support SH7760 processor"
 
 config CPU_SUBTYPE_SH7760
        bool "Support SH7760 processor"
@@ -133,10 +171,6 @@ config CPU_SUBTYPE_ST40GX1
 
 comment "SH-4A Processor Support"
 
 
 comment "SH-4A Processor Support"
 
-config CPU_SUBTYPE_SH73180
-       bool "Support SH73180 processor"
-       select CPU_SH4A
-
 config CPU_SUBTYPE_SH7770
        bool "Support SH7770 processor"
        select CPU_SH4A
 config CPU_SUBTYPE_SH7770
        bool "Support SH7770 processor"
        select CPU_SH4A
@@ -144,6 +178,29 @@ config CPU_SUBTYPE_SH7770
 config CPU_SUBTYPE_SH7780
        bool "Support SH7780 processor"
        select CPU_SH4A
 config CPU_SUBTYPE_SH7780
        bool "Support SH7780 processor"
        select CPU_SH4A
+       select CPU_HAS_INTC2_IRQ
+
+config CPU_SUBTYPE_SH7785
+       bool "Support SH7785 processor"
+       select CPU_SH4A
+       select CPU_SHX2
+       select CPU_HAS_INTC2_IRQ
+
+comment "SH4AL-DSP Processor Support"
+
+config CPU_SUBTYPE_SH73180
+       bool "Support SH73180 processor"
+       select CPU_SH4AL_DSP
+
+config CPU_SUBTYPE_SH7343
+       bool "Support SH7343 processor"
+       select CPU_SH4AL_DSP
+
+config CPU_SUBTYPE_SH7722
+       bool "Support SH7722 processor"
+       select CPU_SH4AL_DSP
+       select CPU_SHX2
+       select CPU_HAS_IPR_IRQ
 
 endmenu
 
 
 endmenu
 
@@ -161,26 +218,115 @@ config MMU
          turning this off will boot the kernel on these machines with the
          MMU implicitly switched off.
 
          turning this off will boot the kernel on these machines with the
          MMU implicitly switched off.
 
+config PAGE_OFFSET
+       hex
+       default "0x80000000" if MMU
+       default "0x00000000"
+
+config MEMORY_START
+       hex "Physical memory start address"
+       default "0x08000000"
+       ---help---
+         Computers built with Hitachi SuperH processors always
+         map the ROM starting at address zero.  But the processor
+         does not specify the range that RAM takes.
+
+         The physical memory (RAM) start address will be automatically
+         set to 08000000. Other platforms, such as the Solution Engine
+         boards typically map RAM at 0C000000.
+
+         Tweak this only when porting to a new machine which does not
+         already have a defconfig. Changing it from the known correct
+         value on any of the known systems will only lead to disaster.
+
+config MEMORY_SIZE
+       hex "Physical memory size"
+       default "0x00400000"
+       help
+         This sets the default memory size assumed by your SH kernel. It can
+         be overridden as normal by the 'mem=' argument on the kernel command
+         line. If unsure, consult your board specifications or just leave it
+         as 0x00400000 which was the default value before this became
+         configurable.
+
 config 32BIT
        bool "Support 32-bit physical addressing through PMB"
 config 32BIT
        bool "Support 32-bit physical addressing through PMB"
-       depends on CPU_SH4A
+       depends on CPU_SH4A && MMU && (!X2TLB || BROKEN)
        default y
        help
          If you say Y here, physical addressing will be extended to
          32-bits through the SH-4A PMB. If this is not set, legacy
          29-bit physical addressing will be used.
 
        default y
        help
          If you say Y here, physical addressing will be extended to
          32-bits through the SH-4A PMB. If this is not set, legacy
          29-bit physical addressing will be used.
 
+config X2TLB
+       bool "Enable extended TLB mode"
+       depends on CPU_SHX2 && MMU && EXPERIMENTAL
+       help
+         Selecting this option will enable the extended mode of the SH-X2
+         TLB. For legacy SH-X behaviour and interoperability, say N. For
+         all of the fun new features and a willingless to submit bug reports,
+         say Y.
+
+config VSYSCALL
+       bool "Support vsyscall page"
+       depends on MMU
+       default y
+       help
+         This will enable support for the kernel mapping a vDSO page
+         in process space, and subsequently handing down the entry point
+         to the libc through the ELF auxiliary vector.
+
+         From the kernel side this is used for the signal trampoline.
+         For systems with an MMU that can afford to give up a page,
+         (the default value) say Y.
+
+choice
+       prompt "Kernel page size"
+       default PAGE_SIZE_4KB
+
+config PAGE_SIZE_4KB
+       bool "4kB"
+       help
+         This is the default page size used by all SuperH CPUs.
+
+config PAGE_SIZE_8KB
+       bool "8kB"
+       depends on EXPERIMENTAL && X2TLB
+       help
+         This enables 8kB pages as supported by SH-X2 and later MMUs.
+
+config PAGE_SIZE_64KB
+       bool "64kB"
+       depends on EXPERIMENTAL && CPU_SH4
+       help
+         This enables support for 64kB pages, possible on all SH-4
+         CPUs and later. Highly experimental, not recommended.
+
+endchoice
+
 choice
        prompt "HugeTLB page size"
        depends on HUGETLB_PAGE && CPU_SH4 && MMU
        default HUGETLB_PAGE_SIZE_64K
 
 config HUGETLB_PAGE_SIZE_64K
 choice
        prompt "HugeTLB page size"
        depends on HUGETLB_PAGE && CPU_SH4 && MMU
        default HUGETLB_PAGE_SIZE_64K
 
 config HUGETLB_PAGE_SIZE_64K
-       bool "64K"
+       bool "64kB"
+
+config HUGETLB_PAGE_SIZE_256K
+       bool "256kB"
+       depends on X2TLB
 
 config HUGETLB_PAGE_SIZE_1MB
        bool "1MB"
 
 
 config HUGETLB_PAGE_SIZE_1MB
        bool "1MB"
 
+config HUGETLB_PAGE_SIZE_4MB
+       bool "4MB"
+       depends on X2TLB
+
+config HUGETLB_PAGE_SIZE_64MB
+       bool "64MB"
+       depends on X2TLB
+
 endchoice
 
 source "mm/Kconfig"
 endchoice
 
 source "mm/Kconfig"
@@ -208,7 +354,6 @@ config SH_DIRECT_MAPPED
 
 config SH_WRITETHROUGH
        bool "Use write-through caching"
 
 config SH_WRITETHROUGH
        bool "Use write-through caching"
-       default y if CPU_SH2
        help
          Selecting this option will configure the caches in write-through
          mode, as opposed to the default write-back configuration.
        help
          Selecting this option will configure the caches in write-through
          mode, as opposed to the default write-back configuration.
linux-2.6