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-rw-r--r--arch/sh/mm/Kconfig67
1 files changed, 39 insertions, 28 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 43f3972a5fb..cf446bbab5b 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -2,7 +2,6 @@
# Processor families
#
config CPU_SH2
- select SH_WRITETHROUGH if !CPU_SH2A
bool
config CPU_SH2A
@@ -19,6 +18,7 @@ config CPU_SH4
select CPU_HAS_INTEVT
select CPU_HAS_SR_RB
select CPU_HAS_PTEA if (!CPU_SUBTYPE_ST40 && !CPU_SH4A) || CPU_SHX2
+ select CPU_HAS_FPU if !CPU_SH4AL_DSP
config CPU_SH4A
bool
@@ -32,7 +32,6 @@ config CPU_SH4AL_DSP
config CPU_SUBTYPE_ST40
bool
select CPU_SH4
- select CPU_HAS_INTC2_IRQ
config CPU_SHX2
bool
@@ -52,26 +51,22 @@ choice
config CPU_SUBTYPE_SH7619
bool "Support SH7619 processor"
select CPU_SH2
- select CPU_HAS_IPR_IRQ
# SH-2A Processor Support
config CPU_SUBTYPE_SH7206
bool "Support SH7206 processor"
select CPU_SH2A
- select CPU_HAS_IPR_IRQ
# SH-3 Processor Support
config CPU_SUBTYPE_SH7705
bool "Support SH7705 processor"
select CPU_SH3
- select CPU_HAS_IPR_IRQ
config CPU_SUBTYPE_SH7706
bool "Support SH7706 processor"
select CPU_SH3
- select CPU_HAS_IPR_IRQ
help
Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
@@ -91,14 +86,12 @@ config CPU_SUBTYPE_SH7708
config CPU_SUBTYPE_SH7709
bool "Support SH7709 processor"
select CPU_SH3
- select CPU_HAS_IPR_IRQ
help
Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
config CPU_SUBTYPE_SH7710
bool "Support SH7710 processor"
select CPU_SH3
- select CPU_HAS_IPR_IRQ
select CPU_HAS_DSP
help
Select SH7710 if you have a SH3-DSP SH7710 CPU.
@@ -106,24 +99,28 @@ config CPU_SUBTYPE_SH7710
config CPU_SUBTYPE_SH7712
bool "Support SH7712 processor"
select CPU_SH3
- select CPU_HAS_IPR_IRQ
select CPU_HAS_DSP
help
Select SH7712 if you have a SH3-DSP SH7712 CPU.
+config CPU_SUBTYPE_SH7720
+ bool "Support SH7720 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ help
+ Select SH7720 if you have a SH3-DSP SH7720 CPU.
+
# SH-4 Processor Support
config CPU_SUBTYPE_SH7750
bool "Support SH7750 processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
help
Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
config CPU_SUBTYPE_SH7091
bool "Support SH7091 processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
help
Select SH7091 if you have an SH-4 based Sega device (such as
the Dreamcast, Naomi, and Naomi 2).
@@ -131,17 +128,14 @@ config CPU_SUBTYPE_SH7091
config CPU_SUBTYPE_SH7750R
bool "Support SH7750R processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
config CPU_SUBTYPE_SH7750S
bool "Support SH7750S processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
config CPU_SUBTYPE_SH7751
bool "Support SH7751 processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
help
Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
or if you have a HD6417751R CPU.
@@ -149,13 +143,10 @@ config CPU_SUBTYPE_SH7751
config CPU_SUBTYPE_SH7751R
bool "Support SH7751R processor"
select CPU_SH4
- select CPU_HAS_INTC_IRQ
config CPU_SUBTYPE_SH7760
bool "Support SH7760 processor"
select CPU_SH4
- select CPU_HAS_INTC2_IRQ
- select CPU_HAS_IPR_IRQ
config CPU_SUBTYPE_SH4_202
bool "Support SH4-202 processor"
@@ -185,19 +176,21 @@ config CPU_SUBTYPE_SH7770
config CPU_SUBTYPE_SH7780
bool "Support SH7780 processor"
select CPU_SH4A
- select CPU_HAS_INTC_IRQ
config CPU_SUBTYPE_SH7785
bool "Support SH7785 processor"
select CPU_SH4A
select CPU_SHX2
- select CPU_HAS_INTC2_IRQ
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
config CPU_SUBTYPE_SHX3
bool "Support SH-X3 processor"
select CPU_SH4A
select CPU_SHX3
- select CPU_HAS_INTC2_IRQ
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_SMP
# SH4AL-DSP Processor Support
@@ -209,7 +202,6 @@ config CPU_SUBTYPE_SH7722
bool "Support SH7722 processor"
select CPU_SH4AL_DSP
select CPU_SHX2
- select CPU_HAS_INTC_IRQ
select ARCH_SPARSEMEM_ENABLE
select SYS_SUPPORTS_NUMA
@@ -274,7 +266,7 @@ config 32BIT
config X2TLB
bool "Enable extended TLB mode"
- depends on CPU_SHX2 && MMU && EXPERIMENTAL
+ depends on (CPU_SHX2 || CPU_SHX3) && 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
@@ -307,6 +299,7 @@ config NUMA
config NODES_SHIFT
int
+ default "3" if CPU_SUBTYPE_SHX3
default "1"
depends on NEED_MULTIPLE_NODES
@@ -323,7 +316,9 @@ config ARCH_SPARSEMEM_DEFAULT
config MAX_ACTIVE_REGIONS
int
- default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)
+ default "6" if (CPU_SUBTYPE_SHX3 && SPARSEMEM)
+ default "2" if SPARSEMEM && (CPU_SUBTYPE_SH7722 || \
+ CPU_SUBTYPE_SH7785)
default "1"
config ARCH_POPULATES_NODE_MAP
@@ -342,25 +337,27 @@ config ARCH_MEMORY_PROBE
choice
prompt "Kernel page size"
+ default PAGE_SIZE_8KB if X2TLB
default PAGE_SIZE_4KB
config PAGE_SIZE_4KB
bool "4kB"
+ depends on !X2TLB
help
This is the default page size used by all SuperH CPUs.
config PAGE_SIZE_8KB
bool "8kB"
- depends on EXPERIMENTAL && X2TLB
+ depends on 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
+ depends on CPU_SH4
help
This enables support for 64kB pages, possible on all SH-4
- CPUs and later. Highly experimental, not recommended.
+ CPUs and later.
endchoice
@@ -412,8 +409,17 @@ config SH_DIRECT_MAPPED
Turn this option off for platforms that do not have a direct-mapped
cache, and you have no need to run the caches in such a configuration.
-config SH_WRITETHROUGH
- bool "Use write-through caching"
+choice
+ prompt "Cache mode"
+ default CACHE_WRITEBACK if CPU_SH2A || CPU_SH3 || CPU_SH4
+ default CACHE_WRITETHROUGH if (CPU_SH2 && !CPU_SH2A)
+
+config CACHE_WRITEBACK
+ bool "Write-back"
+ depends on CPU_SH2A || CPU_SH3 || CPU_SH4
+
+config CACHE_WRITETHROUGH
+ bool "Write-through"
help
Selecting this option will configure the caches in write-through
mode, as opposed to the default write-back configuration.
@@ -424,4 +430,9 @@ config SH_WRITETHROUGH
If unsure, say N.
+config CACHE_OFF
+ bool "Off"
+
+endchoice
+
endmenu