mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
b1bf7d4d1b
Lots of gpio changes, both to core code and drivers. Changes do touch architecture code to remove the need for separate arm/gpio.h includes in most architectures. Some new drivers are added, and a number of gpio drivers are converted to use irq_domains for gpio inputs used as interrupts. Device tree support has been amended to allow multiple gpio_chips to use the same device tree node. Remaining changes are primarily bug fixes. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJPvpFBAAoJEEFnBt12D9kB50EP/0q2co+Ddlz4DWM07TLMgTw8 eCSi79+oB85RcE+0FlAo/SJu9VlYDKSLT3wMbIyycfJi3cUtOb+hay0j+wxcn4bz G2qXj2Het5rX6hFI2tSCvJfDqMwU0wEygn9a6a/bw3VGSOIVmMTmRswrbbBcFzVu 8xobviN7LANLEZyhd4Ip5YfrcWH9ABmmhZX7ihn1AJubVL47xGo0uds9ZFX1sAKB Zyr80+BeUK7mhZ74UUfQHtS+x24JD62OLM9eaQN0/BBAqBewQJlxhMakPbTGmcuO Vy3CPmZiWw6tdVWgKvxE7cIXLI4YbB2B6w2TRJBBkFAlz4RsO2bFU/ibEv1vg9YE oxAUelMj0INdY4iRT135fDJTIGauWon22Tqd2MVtun4r6fwcL0BgFYN6yCMtEqbx bpYkKTi6tdyE7k2Ph+carCIuw9SwOk/4pm1xCWC0k6YdAnRE0zykCLvAuAabpmzs i/H1jcp/F4KSYldEoDlGYG4lFZiISthxOy9l6/d4GrBj723attrmztolMfrpFLF6 XPTf7HODQFmZ6n7mBIjCg4hoqydAYyKcW7lROc7DKkEXIWOeeeA+EoTytkwPLLz5 CBLoZfDoqUT8xa2vv4MZ/+G9chSDi5vMryqEYi9tXMbVEZW31xqh6hxk0xPMcY13 qVAaRlcz49AQjWq/0vR4 =U6hj -----END PGP SIGNATURE----- Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6 Pull GPIO driver changes from Grant Likely: "Lots of gpio changes, both to core code and drivers. Changes do touch architecture code to remove the need for separate arm/gpio.h includes in most architectures. Some new drivers are added, and a number of gpio drivers are converted to use irq_domains for gpio inputs used as interrupts. Device tree support has been amended to allow multiple gpio_chips to use the same device tree node. Remaining changes are primarily bug fixes." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (33 commits) gpio/generic: initialize basic_mmio_gpio shadow variables properly gpiolib: Remove 'const' from data argument of gpiochip_find() gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583 gpiolib: quiet gpiochip_add boot message noise gpio: mpc8xxx: Prevent NULL pointer deref in demux handler gpio/lpc32xx: Add device tree support gpio: Adjust of_xlate API to support multiple GPIO chips gpiolib: Implement devm_gpio_request_one() gpio-mcp23s08: dbg_show: fix pullup configuration display Add support for TCA6424A gpio/omap: (re)fix wakeups on level-triggered GPIOs gpio/omap: fix broken context restore for non-OFF mode transitions gpio/omap: fix missing check in *_runtime_suspend() gpio/omap: remove cpu_is_omapxxxx() checks from *_runtime_resume() gpio/omap: remove suspend/resume callbacks gpio/omap: remove retrigger variable in gpio_irq_handler gpio/omap: remove saved_wakeup field from struct gpio_bank gpio/omap: remove suspend_wakeup field from struct gpio_bank gpio/omap: remove saved_fallingdetect, saved_risingdetect gpio/omap: remove virtual_irq_start variable ... Conflicts: drivers/gpio/gpio-samsung.c
943 lines
22 KiB
Plaintext
943 lines
22 KiB
Plaintext
config SUPERH
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def_bool y
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select EXPERT
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select CLKDEV_LOOKUP
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select HAVE_IDE if HAS_IOPORT
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select HAVE_MEMBLOCK
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select HAVE_MEMBLOCK_NODE_MAP
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select ARCH_DISCARD_MEMBLOCK
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select HAVE_OPROFILE
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select HAVE_GENERIC_DMA_COHERENT
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DMA_API_DEBUG
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select HAVE_DMA_ATTRS
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select HAVE_IRQ_WORK
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select HAVE_PERF_EVENTS
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select ARCH_HAVE_CUSTOM_GPIO_H
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select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
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select PERF_USE_VMALLOC
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_BZIP2
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select HAVE_KERNEL_LZMA
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select HAVE_KERNEL_XZ
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select HAVE_KERNEL_LZO
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select HAVE_SYSCALL_TRACEPOINTS
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select HAVE_REGS_AND_STACK_ACCESS_API
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select HAVE_GENERIC_HARDIRQS
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select MAY_HAVE_SPARSE_IRQ
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select IRQ_FORCED_THREADING
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select RTC_LIB
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select GENERIC_ATOMIC64
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select GENERIC_IRQ_SHOW
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select GENERIC_SMP_IDLE_THREAD
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select GENERIC_CLOCKEVENTS
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select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
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help
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The SuperH is a RISC processor targeted for use in embedded systems
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and consumer electronics; it was also used in the Sega Dreamcast
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gaming console. The SuperH port has a home page at
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<http://www.linux-sh.org/>.
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config SUPERH32
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def_bool ARCH = "sh"
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select HAVE_KPROBES
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select HAVE_KRETPROBES
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select HAVE_IOREMAP_PROT if MMU && !X2TLB
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select HAVE_FUNCTION_TRACER
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_DYNAMIC_FTRACE
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select HAVE_FUNCTION_TRACE_MCOUNT_TEST
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select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_ARCH_KGDB
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select HAVE_HW_BREAKPOINT
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select HAVE_MIXED_BREAKPOINTS_REGS
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select PERF_EVENTS
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select ARCH_HIBERNATION_POSSIBLE if MMU
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select SPARSE_IRQ
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config SUPERH64
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def_bool ARCH = "sh64"
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config ARCH_DEFCONFIG
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string
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default "arch/sh/configs/shx3_defconfig" if SUPERH32
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default "arch/sh/configs/cayman_defconfig" if SUPERH64
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config RWSEM_GENERIC_SPINLOCK
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def_bool y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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config GENERIC_BUG
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def_bool y
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depends on BUG && SUPERH32
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config GENERIC_CSUM
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def_bool y
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depends on SUPERH64
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config GENERIC_HWEIGHT
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def_bool y
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config IRQ_PER_CPU
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def_bool y
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config GENERIC_GPIO
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def_bool n
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config GENERIC_CALIBRATE_DELAY
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bool
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config GENERIC_LOCKBREAK
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def_bool y
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depends on SMP && PREEMPT
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config ARCH_SUSPEND_POSSIBLE
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def_bool n
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config ARCH_HIBERNATION_POSSIBLE
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def_bool n
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config SYS_SUPPORTS_APM_EMULATION
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bool
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select ARCH_SUSPEND_POSSIBLE
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config SYS_SUPPORTS_HUGETLBFS
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bool
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config SYS_SUPPORTS_SMP
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bool
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config SYS_SUPPORTS_NUMA
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bool
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config SYS_SUPPORTS_PCI
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bool
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config SYS_SUPPORTS_CMT
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bool
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config SYS_SUPPORTS_MTU2
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bool
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config SYS_SUPPORTS_TMU
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bool
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config STACKTRACE_SUPPORT
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def_bool y
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config LOCKDEP_SUPPORT
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def_bool y
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config HAVE_LATENCYTOP_SUPPORT
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def_bool y
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config ARCH_HAS_ILOG2_U32
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def_bool n
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config ARCH_HAS_ILOG2_U64
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def_bool n
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config ARCH_NO_VIRT_TO_BUS
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def_bool y
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config ARCH_HAS_DEFAULT_IDLE
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def_bool y
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config NO_IOPORT
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def_bool !PCI
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depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
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!SH_HP6XX && !SH_SOLUTION_ENGINE
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config IO_TRAPPED
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bool
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config SWAP_IO_SPACE
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bool
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config DMA_COHERENT
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bool
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config DMA_NONCOHERENT
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def_bool !DMA_COHERENT
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config NEED_DMA_MAP_STATE
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def_bool DMA_NONCOHERENT
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config NEED_SG_DMA_LENGTH
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def_bool y
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source "init/Kconfig"
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source "kernel/Kconfig.freezer"
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menu "System type"
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#
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# Processor families
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#
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config CPU_SH2
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bool
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config CPU_SH2A
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bool
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select CPU_SH2
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select UNCACHED_MAPPING
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config CPU_SH3
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bool
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select CPU_HAS_INTEVT
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select CPU_HAS_SR_RB
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select SYS_SUPPORTS_TMU
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config CPU_SH4
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bool
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select CPU_HAS_INTEVT
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select CPU_HAS_SR_RB
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select CPU_HAS_FPU if !CPU_SH4AL_DSP
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select SYS_SUPPORTS_TMU
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select SYS_SUPPORTS_HUGETLBFS if MMU
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config CPU_SH4A
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bool
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select CPU_SH4
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config CPU_SH4AL_DSP
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bool
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select CPU_SH4A
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select CPU_HAS_DSP
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config CPU_SH5
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bool
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select CPU_HAS_FPU
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select SYS_SUPPORTS_TMU
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select SYS_SUPPORTS_HUGETLBFS if MMU
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config CPU_SHX2
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bool
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config CPU_SHX3
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bool
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select DMA_COHERENT
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select SYS_SUPPORTS_SMP
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select SYS_SUPPORTS_NUMA
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config ARCH_SHMOBILE
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bool
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select ARCH_SUSPEND_POSSIBLE
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select PM
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select PM_RUNTIME
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config CPU_HAS_PMU
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depends on CPU_SH4 || CPU_SH4A
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default y
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bool
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if SUPERH32
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choice
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prompt "Processor sub-type selection"
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#
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# Processor subtypes
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#
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# SH-2 Processor Support
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config CPU_SUBTYPE_SH7619
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bool "Support SH7619 processor"
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select CPU_SH2
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select SYS_SUPPORTS_CMT
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# SH-2A Processor Support
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config CPU_SUBTYPE_SH7201
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bool "Support SH7201 processor"
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select CPU_SH2A
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select CPU_HAS_FPU
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select SYS_SUPPORTS_MTU2
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config CPU_SUBTYPE_SH7203
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bool "Support SH7203 processor"
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select CPU_SH2A
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select CPU_HAS_FPU
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select SYS_SUPPORTS_CMT
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select SYS_SUPPORTS_MTU2
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select ARCH_WANT_OPTIONAL_GPIOLIB
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config CPU_SUBTYPE_SH7206
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bool "Support SH7206 processor"
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select CPU_SH2A
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select SYS_SUPPORTS_CMT
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select SYS_SUPPORTS_MTU2
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config CPU_SUBTYPE_SH7263
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bool "Support SH7263 processor"
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select CPU_SH2A
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select CPU_HAS_FPU
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select SYS_SUPPORTS_CMT
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select SYS_SUPPORTS_MTU2
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config CPU_SUBTYPE_SH7264
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bool "Support SH7264 processor"
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select CPU_SH2A
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select CPU_HAS_FPU
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select SYS_SUPPORTS_CMT
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select SYS_SUPPORTS_MTU2
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config CPU_SUBTYPE_SH7269
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bool "Support SH7269 processor"
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select CPU_SH2A
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select CPU_HAS_FPU
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select SYS_SUPPORTS_CMT
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select SYS_SUPPORTS_MTU2
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config CPU_SUBTYPE_MXG
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bool "Support MX-G processor"
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select CPU_SH2A
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select SYS_SUPPORTS_MTU2
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help
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Select MX-G if running on an R8A03022BG part.
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# SH-3 Processor Support
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config CPU_SUBTYPE_SH7705
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bool "Support SH7705 processor"
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select CPU_SH3
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config CPU_SUBTYPE_SH7706
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bool "Support SH7706 processor"
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select CPU_SH3
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help
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Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
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config CPU_SUBTYPE_SH7707
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bool "Support SH7707 processor"
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select CPU_SH3
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help
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Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
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config CPU_SUBTYPE_SH7708
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bool "Support SH7708 processor"
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select CPU_SH3
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help
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Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
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if you have a 100 Mhz SH-3 HD6417708R CPU.
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config CPU_SUBTYPE_SH7709
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bool "Support SH7709 processor"
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select CPU_SH3
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help
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Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
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config CPU_SUBTYPE_SH7710
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bool "Support SH7710 processor"
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select CPU_SH3
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select CPU_HAS_DSP
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help
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Select SH7710 if you have a SH3-DSP SH7710 CPU.
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config CPU_SUBTYPE_SH7712
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bool "Support SH7712 processor"
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select CPU_SH3
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select CPU_HAS_DSP
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help
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Select SH7712 if you have a SH3-DSP SH7712 CPU.
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config CPU_SUBTYPE_SH7720
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bool "Support SH7720 processor"
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select CPU_SH3
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select CPU_HAS_DSP
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select SYS_SUPPORTS_CMT
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select USB_ARCH_HAS_OHCI
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select USB_OHCI_SH if USB_OHCI_HCD
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help
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Select SH7720 if you have a SH3-DSP SH7720 CPU.
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config CPU_SUBTYPE_SH7721
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bool "Support SH7721 processor"
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select CPU_SH3
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select CPU_HAS_DSP
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select SYS_SUPPORTS_CMT
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select USB_ARCH_HAS_OHCI
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select USB_OHCI_SH if USB_OHCI_HCD
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help
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Select SH7721 if you have a SH3-DSP SH7721 CPU.
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# SH-4 Processor Support
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config CPU_SUBTYPE_SH7750
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bool "Support SH7750 processor"
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select CPU_SH4
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help
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Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
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config CPU_SUBTYPE_SH7091
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bool "Support SH7091 processor"
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select CPU_SH4
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help
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Select SH7091 if you have an SH-4 based Sega device (such as
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the Dreamcast, Naomi, and Naomi 2).
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config CPU_SUBTYPE_SH7750R
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bool "Support SH7750R processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7750S
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bool "Support SH7750S processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7751
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bool "Support SH7751 processor"
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select CPU_SH4
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help
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Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
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or if you have a HD6417751R CPU.
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config CPU_SUBTYPE_SH7751R
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bool "Support SH7751R processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7760
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bool "Support SH7760 processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH4_202
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bool "Support SH4-202 processor"
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select CPU_SH4
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# SH-4A Processor Support
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config CPU_SUBTYPE_SH7723
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bool "Support SH7723 processor"
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select CPU_SH4A
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select CPU_SHX2
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select ARCH_SHMOBILE
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select ARCH_SPARSEMEM_ENABLE
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select SYS_SUPPORTS_CMT
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select ARCH_WANT_OPTIONAL_GPIOLIB
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help
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Select SH7723 if you have an SH-MobileR2 CPU.
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config CPU_SUBTYPE_SH7724
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bool "Support SH7724 processor"
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select CPU_SH4A
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select CPU_SHX2
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select ARCH_SHMOBILE
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select ARCH_SPARSEMEM_ENABLE
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select SYS_SUPPORTS_CMT
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select ARCH_WANT_OPTIONAL_GPIOLIB
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help
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Select SH7724 if you have an SH-MobileR2R CPU.
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config CPU_SUBTYPE_SH7734
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bool "Support SH7734 processor"
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select CPU_SH4A
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select CPU_SHX2
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select USB_ARCH_HAS_OHCI
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select USB_ARCH_HAS_EHCI
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help
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Select SH7734 if you have a SH4A SH7734 CPU.
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config CPU_SUBTYPE_SH7757
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bool "Support SH7757 processor"
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select CPU_SH4A
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select CPU_SHX2
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select ARCH_WANT_OPTIONAL_GPIOLIB
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select USB_ARCH_HAS_OHCI
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select USB_ARCH_HAS_EHCI
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help
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Select SH7757 if you have a SH4A SH7757 CPU.
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config CPU_SUBTYPE_SH7763
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bool "Support SH7763 processor"
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select CPU_SH4A
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select USB_ARCH_HAS_OHCI
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select USB_OHCI_SH if USB_OHCI_HCD
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help
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Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
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|
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config CPU_SUBTYPE_SH7770
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bool "Support SH7770 processor"
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select CPU_SH4A
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config CPU_SUBTYPE_SH7780
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bool "Support SH7780 processor"
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select CPU_SH4A
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config CPU_SUBTYPE_SH7785
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|
bool "Support SH7785 processor"
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|
select CPU_SH4A
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select CPU_SHX2
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select ARCH_SPARSEMEM_ENABLE
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select SYS_SUPPORTS_NUMA
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|
select ARCH_WANT_OPTIONAL_GPIOLIB
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|
|
config CPU_SUBTYPE_SH7786
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bool "Support SH7786 processor"
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select CPU_SH4A
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|
select CPU_SHX3
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|
select CPU_HAS_PTEAEX
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|
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
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|
select ARCH_WANT_OPTIONAL_GPIOLIB
|
|
select USB_ARCH_HAS_OHCI
|
|
select USB_OHCI_SH if USB_OHCI_HCD
|
|
select USB_ARCH_HAS_EHCI
|
|
select USB_EHCI_SH if USB_EHCI_HCD
|
|
|
|
config CPU_SUBTYPE_SHX3
|
|
bool "Support SH-X3 processor"
|
|
select CPU_SH4A
|
|
select CPU_SHX3
|
|
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
|
|
select ARCH_REQUIRE_GPIOLIB
|
|
|
|
# SH4AL-DSP Processor Support
|
|
|
|
config CPU_SUBTYPE_SH7343
|
|
bool "Support SH7343 processor"
|
|
select CPU_SH4AL_DSP
|
|
select ARCH_SHMOBILE
|
|
select SYS_SUPPORTS_CMT
|
|
|
|
config CPU_SUBTYPE_SH7722
|
|
bool "Support SH7722 processor"
|
|
select CPU_SH4AL_DSP
|
|
select CPU_SHX2
|
|
select ARCH_SHMOBILE
|
|
select ARCH_SPARSEMEM_ENABLE
|
|
select SYS_SUPPORTS_NUMA
|
|
select SYS_SUPPORTS_CMT
|
|
select ARCH_WANT_OPTIONAL_GPIOLIB
|
|
|
|
config CPU_SUBTYPE_SH7366
|
|
bool "Support SH7366 processor"
|
|
select CPU_SH4AL_DSP
|
|
select CPU_SHX2
|
|
select ARCH_SHMOBILE
|
|
select ARCH_SPARSEMEM_ENABLE
|
|
select SYS_SUPPORTS_NUMA
|
|
select SYS_SUPPORTS_CMT
|
|
|
|
endchoice
|
|
|
|
endif
|
|
|
|
if SUPERH64
|
|
|
|
choice
|
|
prompt "Processor sub-type selection"
|
|
|
|
# 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"
|
|
select CPU_SH5
|
|
|
|
endchoice
|
|
|
|
endif
|
|
|
|
source "arch/sh/mm/Kconfig"
|
|
|
|
source "arch/sh/Kconfig.cpu"
|
|
|
|
source "arch/sh/boards/Kconfig"
|
|
|
|
menu "Timer and clock configuration"
|
|
|
|
config SH_TIMER_TMU
|
|
bool "TMU timer driver"
|
|
depends on SYS_SUPPORTS_TMU
|
|
default y
|
|
help
|
|
This enables the build of the TMU timer driver.
|
|
|
|
config SH_TIMER_CMT
|
|
bool "CMT timer driver"
|
|
depends on SYS_SUPPORTS_CMT
|
|
default y
|
|
help
|
|
This enables build of the CMT timer driver.
|
|
|
|
config SH_TIMER_MTU2
|
|
bool "MTU2 timer driver"
|
|
depends on SYS_SUPPORTS_MTU2
|
|
default y
|
|
help
|
|
This enables build of the MTU2 timer driver.
|
|
|
|
config SH_PCLK_FREQ
|
|
int "Peripheral clock frequency (in Hz)"
|
|
depends on SH_CLK_CPG_LEGACY
|
|
default "31250000" if CPU_SUBTYPE_SH7619
|
|
default "33333333" if CPU_SUBTYPE_SH7770 || \
|
|
CPU_SUBTYPE_SH7760 || \
|
|
CPU_SUBTYPE_SH7705 || \
|
|
CPU_SUBTYPE_SH7203 || \
|
|
CPU_SUBTYPE_SH7206 || \
|
|
CPU_SUBTYPE_SH7263 || \
|
|
CPU_SUBTYPE_MXG
|
|
default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
|
|
default "66000000" if CPU_SUBTYPE_SH4_202
|
|
default "50000000"
|
|
help
|
|
This option is used to specify the peripheral clock frequency.
|
|
This is necessary for determining the reference clock value on
|
|
platforms lacking an RTC.
|
|
|
|
config SH_CLK_CPG
|
|
def_bool y
|
|
|
|
config SH_CLK_CPG_LEGACY
|
|
depends on SH_CLK_CPG
|
|
def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
|
|
!CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
|
|
!CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
|
|
!CPU_SUBTYPE_SH7269
|
|
|
|
endmenu
|
|
|
|
menu "CPU Frequency scaling"
|
|
|
|
source "drivers/cpufreq/Kconfig"
|
|
|
|
config SH_CPU_FREQ
|
|
tristate "SuperH CPU Frequency driver"
|
|
depends on CPU_FREQ
|
|
select CPU_FREQ_TABLE
|
|
help
|
|
This adds the cpufreq driver for SuperH. Any CPU that supports
|
|
clock rate rounding through the clock framework can use this
|
|
driver. While it will make the kernel slightly larger, this is
|
|
harmless for CPUs that don't support rate rounding. The driver
|
|
will also generate a notice in the boot log before disabling
|
|
itself if the CPU in question is not capable of rate rounding.
|
|
|
|
For details, take a look at <file:Documentation/cpu-freq>.
|
|
|
|
If unsure, say N.
|
|
|
|
endmenu
|
|
|
|
source "arch/sh/drivers/Kconfig"
|
|
|
|
endmenu
|
|
|
|
menu "Kernel features"
|
|
|
|
source kernel/Kconfig.hz
|
|
|
|
config KEXEC
|
|
bool "kexec system call (EXPERIMENTAL)"
|
|
depends on SUPERH32 && EXPERIMENTAL && MMU
|
|
help
|
|
kexec is a system call that implements the ability to shutdown your
|
|
current kernel, and to start another kernel. It is like a reboot
|
|
but it is independent of the system firmware. And like a reboot
|
|
you can start any kernel with it, not just Linux.
|
|
|
|
The name comes from the similarity to the exec system call.
|
|
|
|
It is an ongoing process to be certain the hardware in a machine
|
|
is properly shutdown, so do not be surprised if this code does not
|
|
initially work for you. It may help to enable device hotplugging
|
|
support. As of this writing the exact hardware interface is
|
|
strongly in flux, so no good recommendation can be made.
|
|
|
|
config CRASH_DUMP
|
|
bool "kernel crash dumps (EXPERIMENTAL)"
|
|
depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP
|
|
help
|
|
Generate crash dump after being started by kexec.
|
|
This should be normally only set in special crash dump kernels
|
|
which are loaded in the main kernel with kexec-tools into
|
|
a specially reserved region and then later executed after
|
|
a crash by kdump/kexec. The crash dump kernel must be compiled
|
|
to a memory address not used by the main kernel using
|
|
PHYSICAL_START.
|
|
|
|
For more details see Documentation/kdump/kdump.txt
|
|
|
|
config KEXEC_JUMP
|
|
bool "kexec jump (EXPERIMENTAL)"
|
|
depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
|
|
help
|
|
Jump between original kernel and kexeced kernel and invoke
|
|
code via KEXEC
|
|
|
|
config PHYSICAL_START
|
|
hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
|
|
default MEMORY_START
|
|
---help---
|
|
This gives the physical address where the kernel is loaded
|
|
and is ordinarily the same as MEMORY_START.
|
|
|
|
Different values are primarily used in the case of kexec on panic
|
|
where the fail safe kernel needs to run at a different address
|
|
than the panic-ed kernel.
|
|
|
|
config SECCOMP
|
|
bool "Enable seccomp to safely compute untrusted bytecode"
|
|
depends on PROC_FS
|
|
help
|
|
This kernel feature is useful for number crunching applications
|
|
that may need to compute untrusted bytecode during their
|
|
execution. By using pipes or other transports made available to
|
|
the process as file descriptors supporting the read/write
|
|
syscalls, it's possible to isolate those applications in
|
|
their own address space using seccomp. Once seccomp is
|
|
enabled via prctl, it cannot be disabled and the task is only
|
|
allowed to execute a few safe syscalls defined by each seccomp
|
|
mode.
|
|
|
|
If unsure, say N.
|
|
|
|
config CC_STACKPROTECTOR
|
|
bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
|
|
depends on SUPERH32 && EXPERIMENTAL
|
|
help
|
|
This option turns on the -fstack-protector GCC feature. This
|
|
feature puts, at the beginning of functions, a canary value on
|
|
the stack just before the return address, and validates
|
|
the value just before actually returning. Stack based buffer
|
|
overflows (that need to overwrite this return address) now also
|
|
overwrite the canary, which gets detected and the attack is then
|
|
neutralized via a kernel panic.
|
|
|
|
This feature requires gcc version 4.2 or above.
|
|
|
|
config SMP
|
|
bool "Symmetric multi-processing support"
|
|
depends on SYS_SUPPORTS_SMP
|
|
select USE_GENERIC_SMP_HELPERS
|
|
---help---
|
|
This enables support for systems with more than one CPU. If you have
|
|
a system with only one CPU, like most personal computers, say N. If
|
|
you have a system with more than one CPU, say Y.
|
|
|
|
If you say N here, the kernel will run on single and multiprocessor
|
|
machines, but will use only one CPU of a multiprocessor machine. If
|
|
you say Y here, the kernel will run on many, but not all,
|
|
singleprocessor machines. On a singleprocessor machine, the kernel
|
|
will run faster if you say N here.
|
|
|
|
People using multiprocessor machines who say Y here should also say
|
|
Y to "Enhanced Real Time Clock Support", below.
|
|
|
|
See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
|
|
available at <http://www.tldp.org/docs.html#howto>.
|
|
|
|
If you don't know what to do here, say N.
|
|
|
|
config NR_CPUS
|
|
int "Maximum number of CPUs (2-32)"
|
|
range 2 32
|
|
depends on SMP
|
|
default "4" if CPU_SUBTYPE_SHX3
|
|
default "2"
|
|
help
|
|
This allows you to specify the maximum number of CPUs which this
|
|
kernel will support. The maximum supported value is 32 and the
|
|
minimum value which makes sense is 2.
|
|
|
|
This is purely to save memory - each supported CPU adds
|
|
approximately eight kilobytes to the kernel image.
|
|
|
|
config HOTPLUG_CPU
|
|
bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
|
|
depends on SMP && HOTPLUG && EXPERIMENTAL
|
|
help
|
|
Say Y here to experiment with turning CPUs off and on. CPUs
|
|
can be controlled through /sys/devices/system/cpu.
|
|
|
|
source "kernel/Kconfig.preempt"
|
|
|
|
config GUSA
|
|
def_bool y
|
|
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
|
|
CPUs, and is used by the libc, amongst others.
|
|
|
|
For additional information, design information can be found
|
|
in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
|
|
|
|
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 implementation 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 interrupts around the atomic sequence.
|
|
|
|
config HW_PERF_EVENTS
|
|
bool "Enable hardware performance counter support for perf events"
|
|
depends on PERF_EVENTS && CPU_HAS_PMU
|
|
default y
|
|
help
|
|
Enable hardware performance counter support for perf events. If
|
|
disabled, perf events will use software events only.
|
|
|
|
source "drivers/sh/Kconfig"
|
|
|
|
endmenu
|
|
|
|
menu "Boot options"
|
|
|
|
config ZERO_PAGE_OFFSET
|
|
hex
|
|
default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
|
|
SH_7751_SOLUTION_ENGINE
|
|
default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
|
|
default "0x00002000" if PAGE_SIZE_8KB
|
|
default "0x00001000"
|
|
help
|
|
This sets the default offset of zero page.
|
|
|
|
config BOOT_LINK_OFFSET
|
|
hex
|
|
default "0x00210000" if SH_SHMIN
|
|
default "0x00400000" if SH_CAYMAN
|
|
default "0x00810000" if SH_7780_SOLUTION_ENGINE
|
|
default "0x009e0000" if SH_TITAN
|
|
default "0x01800000" if SH_SDK7780
|
|
default "0x02000000" if SH_EDOSK7760
|
|
default "0x00800000"
|
|
help
|
|
This option allows you to set the link address offset of the zImage.
|
|
This can be useful if you are on a board which has a small amount of
|
|
memory.
|
|
|
|
config ENTRY_OFFSET
|
|
hex
|
|
default "0x00001000" if PAGE_SIZE_4KB
|
|
default "0x00002000" if PAGE_SIZE_8KB
|
|
default "0x00004000" if PAGE_SIZE_16KB
|
|
default "0x00010000" if PAGE_SIZE_64KB
|
|
default "0x00000000"
|
|
|
|
config ROMIMAGE_MMCIF
|
|
bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
|
|
depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL
|
|
help
|
|
Say Y here to include experimental MMCIF loading code in
|
|
romImage. With this enabled it is possible to write the romImage
|
|
kernel image to an MMC card and boot the kernel straight from
|
|
the reset vector. At reset the processor Mask ROM will load the
|
|
first part of the romImage which in turn loads the rest the kernel
|
|
image to RAM using the MMCIF hardware block.
|
|
|
|
choice
|
|
prompt "Kernel command line"
|
|
optional
|
|
default CMDLINE_OVERWRITE
|
|
help
|
|
Setting this option allows the kernel command line arguments
|
|
to be set.
|
|
|
|
config CMDLINE_OVERWRITE
|
|
bool "Overwrite bootloader kernel arguments"
|
|
help
|
|
Given string will overwrite any arguments passed in by
|
|
a bootloader.
|
|
|
|
config CMDLINE_EXTEND
|
|
bool "Extend bootloader kernel arguments"
|
|
help
|
|
Given string will be concatenated with arguments passed in
|
|
by a bootloader.
|
|
|
|
endchoice
|
|
|
|
config CMDLINE
|
|
string "Kernel command line arguments string"
|
|
depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
|
|
default "console=ttySC1,115200"
|
|
|
|
endmenu
|
|
|
|
menu "Bus options"
|
|
|
|
config SUPERHYWAY
|
|
tristate "SuperHyway Bus support"
|
|
depends on CPU_SUBTYPE_SH4_202
|
|
|
|
config MAPLE
|
|
bool "Maple Bus support"
|
|
depends on SH_DREAMCAST
|
|
help
|
|
The Maple Bus is SEGA's serial communication bus for peripherals
|
|
on the Dreamcast. Without this bus support you won't be able to
|
|
get your Dreamcast keyboard etc to work, so most users
|
|
probably want to say 'Y' here, unless you are only using the
|
|
Dreamcast with a serial line terminal or a remote network
|
|
connection.
|
|
|
|
config PCI
|
|
bool "PCI support"
|
|
depends on SYS_SUPPORTS_PCI
|
|
select PCI_DOMAINS
|
|
select GENERIC_PCI_IOMAP
|
|
select NO_GENERIC_PCI_IOPORT_MAP
|
|
help
|
|
Find out whether you have a PCI motherboard. PCI is the name of a
|
|
bus system, i.e. the way the CPU talks to the other stuff inside
|
|
your box. If you have PCI, say Y, otherwise N.
|
|
|
|
config PCI_DOMAINS
|
|
bool
|
|
|
|
source "drivers/pci/pcie/Kconfig"
|
|
|
|
source "drivers/pci/Kconfig"
|
|
|
|
source "drivers/pcmcia/Kconfig"
|
|
|
|
source "drivers/pci/hotplug/Kconfig"
|
|
|
|
endmenu
|
|
|
|
menu "Executable file formats"
|
|
|
|
source "fs/Kconfig.binfmt"
|
|
|
|
endmenu
|
|
|
|
menu "Power management options (EXPERIMENTAL)"
|
|
depends on EXPERIMENTAL
|
|
|
|
source "kernel/power/Kconfig"
|
|
|
|
source "drivers/cpuidle/Kconfig"
|
|
|
|
endmenu
|
|
|
|
source "net/Kconfig"
|
|
|
|
source "drivers/Kconfig"
|
|
|
|
source "fs/Kconfig"
|
|
|
|
source "arch/sh/Kconfig.debug"
|
|
|
|
source "security/Kconfig"
|
|
|
|
source "crypto/Kconfig"
|
|
|
|
source "lib/Kconfig"
|