diff options
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 78 |
1 files changed, 72 insertions, 6 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index fb586b1cf8bb..9dd606464d23 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -20,7 +20,10 @@ config 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 @@ -48,6 +51,12 @@ config CPU_SUBTYPE_SH7705 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 @@ -69,6 +78,12 @@ config CPU_SUBTYPE_SH7709 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 @@ -133,10 +148,6 @@ config CPU_SUBTYPE_ST40GX1 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 @@ -144,6 +155,17 @@ config CPU_SUBTYPE_SH7770 config CPU_SUBTYPE_SH7780 bool "Support SH7780 processor" select CPU_SH4A + 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 endmenu @@ -161,15 +183,59 @@ config MMU 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" - depends on CPU_SH4A + depends on CPU_SH4A && MMU 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 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 "HugeTLB page size" depends on HUGETLB_PAGE && CPU_SH4 && MMU |