diff options
Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 366 |
1 files changed, 251 insertions, 115 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 496d635f89b2..1cd9c8fd927d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -6,8 +6,7 @@ mainmenu "Linux/SuperH Kernel Configuration" config SUPERH - bool - default y + def_bool y select EMBEDDED help The SuperH is a RISC processor targeted for use in embedded systems @@ -15,36 +14,36 @@ config SUPERH gaming console. The SuperH port has a home page at <http://www.linux-sh.org/>. +config SUPERH32 + def_bool !SUPERH64 + +config SUPERH64 + def_bool y if CPU_SH5 + config RWSEM_GENERIC_SPINLOCK - bool - default y + def_bool y config RWSEM_XCHGADD_ALGORITHM bool config GENERIC_BUG def_bool y - depends on BUG + depends on BUG && SUPERH32 config GENERIC_FIND_NEXT_BIT - bool - default y + def_bool y config GENERIC_HWEIGHT - bool - default y + def_bool y config GENERIC_HARDIRQS - bool - default y + def_bool y config GENERIC_IRQ_PROBE - bool - default y + def_bool y config GENERIC_CALIBRATE_DELAY - bool - default y + def_bool y config GENERIC_IOMAP bool @@ -75,20 +74,16 @@ config ARCH_MAY_HAVE_PC_FDC bool config STACKTRACE_SUPPORT - bool - default y + def_bool y config LOCKDEP_SUPPORT - bool - default y + def_bool y config ARCH_HAS_ILOG2_U32 - bool - default n + def_bool n config ARCH_HAS_ILOG2_U64 - bool - default n + def_bool n config ARCH_NO_VIRT_TO_BUS def_bool y @@ -97,110 +92,234 @@ source "init/Kconfig" menu "System type" -source "arch/sh/mm/Kconfig" +# +# Processor families +# +config CPU_SH2 + bool -menu "Processor features" +config CPU_SH2A + bool + select CPU_SH2 + +config CPU_SH3 + bool + select CPU_HAS_INTEVT + select CPU_HAS_SR_RB + +config CPU_SH4 + bool + select CPU_HAS_INTEVT + select CPU_HAS_SR_RB + select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2 + select CPU_HAS_FPU if !CPU_SH4AL_DSP + +config CPU_SH4A + bool + select CPU_SH4 + +config CPU_SH4AL_DSP + bool + select CPU_SH4A + select CPU_HAS_DSP + +config CPU_SH5 + bool + select CPU_HAS_FPU + +config CPU_SHX2 + bool + +config CPU_SHX3 + bool 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. + prompt "Processor sub-type selection" -config CPU_LITTLE_ENDIAN - bool "Little Endian" +# +# Processor subtypes +# -config CPU_BIG_ENDIAN - bool "Big Endian" +# SH-2 Processor Support -endchoice +config CPU_SUBTYPE_SH7619 + bool "Support SH7619 processor" + select CPU_SH2 + +# SH-2A Processor Support + +config CPU_SUBTYPE_SH7203 + bool "Support SH7203 processor" + select CPU_SH2A + select CPU_HAS_FPU + +config CPU_SUBTYPE_SH7206 + bool "Support SH7206 processor" + select CPU_SH2A -config SH_FPU - bool "FPU support" - depends on CPU_HAS_FPU - default y +config CPU_SUBTYPE_SH7263 + bool "Support SH7263 processor" + select CPU_SH2A + select CPU_HAS_FPU + +# SH-3 Processor Support + +config CPU_SUBTYPE_SH7705 + bool "Support SH7705 processor" + select CPU_SH3 + +config CPU_SUBTYPE_SH7706 + bool "Support SH7706 processor" + select CPU_SH3 help - Selecting this option will enable support for SH processors that - have FPU units (ie, SH77xx). + Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. - This option must be set in order to enable the FPU. +config CPU_SUBTYPE_SH7707 + bool "Support SH7707 processor" + select CPU_SH3 + help + Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. -config SH_FPU_EMU - bool "FPU emulation support" - depends on !SH_FPU && EXPERIMENTAL - default n +config CPU_SUBTYPE_SH7708 + bool "Support SH7708 processor" + select CPU_SH3 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. + Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or + if you have a 100 Mhz SH-3 HD6417708R CPU. -config SH_DSP - bool "DSP support" - depends on CPU_HAS_DSP - default y +config CPU_SUBTYPE_SH7709 + bool "Support SH7709 processor" + select CPU_SH3 help - Selecting this option will enable support for SH processors that - have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). + Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. - This option must be set in order to enable the DSP. +config CPU_SUBTYPE_SH7710 + bool "Support SH7710 processor" + select CPU_SH3 + select CPU_HAS_DSP + help + Select SH7710 if you have a SH3-DSP SH7710 CPU. -config SH_ADC - bool "ADC support" - depends on CPU_SH3 - default y +config CPU_SUBTYPE_SH7712 + bool "Support SH7712 processor" + select CPU_SH3 + select CPU_HAS_DSP help - Selecting this option will allow the Linux kernel to use SH3 on-chip - ADC module. + Select SH7712 if you have a SH3-DSP SH7712 CPU. - If unsure, say N. +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. -config SH_STORE_QUEUES - bool "Support for Store Queues" - depends on CPU_SH4 +config CPU_SUBTYPE_SH7721 + bool "Support SH7721 processor" + select CPU_SH3 + select CPU_HAS_DSP help - Selecting this option will enable an in-kernel API for manipulating - the store queues integrated in the SH-4 processors. + Select SH7721 if you have a SH3-DSP SH7721 CPU. -config SPECULATIVE_EXECUTION - bool "Speculative subroutine return" - depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL +# SH-4 Processor Support + +config CPU_SUBTYPE_SH7750 + bool "Support SH7750 processor" + select CPU_SH4 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. + Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. - If unsure, say N. +config CPU_SUBTYPE_SH7091 + bool "Support SH7091 processor" + select CPU_SH4 + help + Select SH7091 if you have an SH-4 based Sega device (such as + the Dreamcast, Naomi, and Naomi 2). -config CPU_HAS_INTEVT - bool +config CPU_SUBTYPE_SH7750R + bool "Support SH7750R processor" + select CPU_SH4 -config CPU_HAS_MASKREG_IRQ - bool +config CPU_SUBTYPE_SH7750S + bool "Support SH7750S processor" + select CPU_SH4 -config CPU_HAS_IPR_IRQ - bool +config CPU_SUBTYPE_SH7751 + bool "Support SH7751 processor" + select CPU_SH4 + help + Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, + or if you have a HD6417751R CPU. -config CPU_HAS_SR_RB - bool +config CPU_SUBTYPE_SH7751R + bool "Support SH7751R processor" + select CPU_SH4 + +config CPU_SUBTYPE_SH7760 + bool "Support SH7760 processor" + select CPU_SH4 + +config CPU_SUBTYPE_SH4_202 + bool "Support SH4-202 processor" + select CPU_SH4 + +# SH-4A Processor Support + +config CPU_SUBTYPE_SH7763 + bool "Support SH7763 processor" + select CPU_SH4A 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. + Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. - See <file:Documentation/sh/register-banks.txt> for further - information on SR.RB and register banking in the kernel in general. +config CPU_SUBTYPE_SH7770 + bool "Support SH7770 processor" + select CPU_SH4A -config CPU_HAS_PTEA - bool +config CPU_SUBTYPE_SH7780 + bool "Support SH7780 processor" + select CPU_SH4A -config CPU_HAS_DSP - bool +config CPU_SUBTYPE_SH7785 + bool "Support SH7785 processor" + select CPU_SH4A + select CPU_SHX2 + select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_NUMA -config CPU_HAS_FPU - bool +config CPU_SUBTYPE_SHX3 + bool "Support SH-X3 processor" + select CPU_SH4A + select CPU_SHX3 + select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_NUMA + select SYS_SUPPORTS_SMP -endmenu +# SH4AL-DSP Processor Support + +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 ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_NUMA + +# SH-5 Processor Support + +config CPU_SUBTYPE_SH5_101 + bool "Support SH5-101 processor" + select CPU_SH5 + +config CPU_SUBTYPE_SH5_103 + bool "Support SH5-103 processor" + +endchoice + +source "arch/sh/mm/Kconfig" +source "arch/sh/Kconfig.cpu" menu "Board support" @@ -321,13 +440,6 @@ config SH_SECUREEDGE5410 This includes both the OEM SecureEdge products as well as the SME product line. -config SH_HS7751RVOIP - bool "HS7751RVOIP" - depends on CPU_SUBTYPE_SH7751R - help - Select HS7751RVOIP if configuring for a Renesas Technology - Sales VoIP board. - config SH_7710VOIPGW bool "SH7710-VOIP-GW" depends on CPU_SUBTYPE_SH7710 @@ -343,6 +455,14 @@ config SH_RTS7751R2D Select RTS7751R2D if configuring for a Renesas Technology Sales SH-Graphics board. +config SH_SDK7780 + bool "SDK7780R3" + depends on CPU_SUBTYPE_SH7780 + select SYS_SUPPORTS_PCI + help + Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3 + evaluation board. + config SH_HIGHLANDER bool "Highlander" depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 @@ -399,41 +519,47 @@ config SH_MAGIC_PANEL_R2 help Select Magic Panel R2 if configuring for Magic Panel R2. +config SH_CAYMAN + bool "Hitachi Cayman" + depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103 + select SYS_SUPPORTS_PCI + endmenu -source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" source "arch/sh/boards/renesas/rts7751r2d/Kconfig" source "arch/sh/boards/renesas/r7780rp/Kconfig" +source "arch/sh/boards/renesas/sdk7780/Kconfig" source "arch/sh/boards/magicpanelr2/Kconfig" menu "Timer and clock configuration" config SH_TMU - bool "TMU timer support" + def_bool y + prompt "TMU timer support" depends on CPU_SH3 || CPU_SH4 select GENERIC_TIME select GENERIC_CLOCKEVENTS - default y help This enables the use of the TMU as the system timer. config SH_CMT - bool "CMT timer support" + def_bool y + prompt "CMT timer support" depends on CPU_SH2 - default y help This enables the use of the CMT as the system timer. config SH_MTU2 - bool "MTU2 timer support" + def_bool n + prompt "MTU2 timer support" depends on CPU_SH2A - default n help This enables the use of the MTU2 as the system timer. config SH_TIMER_IRQ int - default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 + default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \ + CPU_SUBTYPE_SH7763 default "86" if CPU_SUBTYPE_SH7619 default "140" if CPU_SUBTYPE_SH7206 default "16" @@ -445,7 +571,8 @@ config SH_PCLK_FREQ default "32000000" if CPU_SUBTYPE_SH7722 default "33333333" if CPU_SUBTYPE_SH7770 || \ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ - CPU_SUBTYPE_SH7206 + CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ + CPU_SUBTYPE_SH7263 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R default "66000000" if CPU_SUBTYPE_SH4_202 default "50000000" @@ -456,7 +583,7 @@ config SH_PCLK_FREQ config SH_CLK_MD int "CPU Mode Pin Setting" - depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206 + depends on CPU_SH2 default 6 if CPU_SUBTYPE_SH7206 default 5 if CPU_SUBTYPE_SH7619 default 0 @@ -490,9 +617,8 @@ source "arch/sh/drivers/Kconfig" endmenu config ISA_DMA_API - bool + def_bool y depends on SH_MPC1211 - default y menu "Kernel features" @@ -570,7 +696,7 @@ source "kernel/Kconfig.preempt" config GUSA def_bool y - depends on !SMP + depends on !SMP && SUPERH32 help This enables support for gUSA (general UserSpace Atomicity). This is the default implementation for both UP and non-ll/sc @@ -582,6 +708,16 @@ config GUSA This should only be disabled for special cases where alternate atomicity implementations exist. +config GUSA_RB + bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" + depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) + help + Enabling this option will allow the kernel to implement some + atomic operations using a software implemention of load-locked/ + store-conditional (LLSC). On machines which do not have hardware + LLSC, this should be more efficient than the other alternative of + disabling insterrupts around the atomic sequence. + endmenu menu "Boot options" |
