760 lines
18 KiB
Plaintext
760 lines
18 KiB
Plaintext
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# SPDX-License-Identifier: GPL-2.0
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config SUPERH
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def_bool y
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select ARCH_32BIT_OFF_T
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select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM && MMU
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select ARCH_ENABLE_MEMORY_HOTREMOVE if SPARSEMEM && MMU
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select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
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select ARCH_HAS_BINFMT_FLAT if !MMU
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select ARCH_HAS_CPU_FINALIZE_INIT
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select ARCH_HAS_CURRENT_STACK_POINTER
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select ARCH_HAS_GIGANTIC_PAGE
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select ARCH_HAS_GCOV_PROFILE_ALL
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select ARCH_HAS_PTE_SPECIAL
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select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
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select ARCH_HIBERNATION_POSSIBLE if MMU
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select ARCH_MIGHT_HAVE_PC_PARPORT
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select ARCH_WANT_IPC_PARSE_VERSION
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select CPU_NO_EFFICIENT_FFS
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select DMA_DECLARE_COHERENT
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select GENERIC_ATOMIC64
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select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
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select GENERIC_IDLE_POLL_SETUP
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select GENERIC_IRQ_SHOW
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select GENERIC_LIB_ASHLDI3
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select GENERIC_LIB_ASHRDI3
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select GENERIC_LIB_LSHRDI3
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select GENERIC_PCI_IOMAP if PCI
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select GENERIC_SCHED_CLOCK
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select GENERIC_SMP_IDLE_THREAD
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select GUP_GET_PXX_LOW_HIGH if X2TLB
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select HAS_IOPORT if HAS_IOPORT_MAP
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select GENERIC_IOREMAP if MMU
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select HAVE_ARCH_AUDITSYSCALL
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select HAVE_ARCH_KGDB
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select HAVE_ARCH_SECCOMP_FILTER
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DEBUG_BUGVERBOSE
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select HAVE_DEBUG_KMEMLEAK
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select HAVE_DYNAMIC_FTRACE
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select HAVE_FAST_GUP if MMU
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FUNCTION_TRACER
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_HW_BREAKPOINT
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select HAVE_IOREMAP_PROT if MMU && !X2TLB
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select HAVE_KERNEL_BZIP2
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select HAVE_KERNEL_GZIP
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select HAVE_KERNEL_LZMA
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select HAVE_KERNEL_LZO
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select HAVE_KERNEL_XZ
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select HAVE_KPROBES
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select HAVE_KRETPROBES
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select HAVE_MIXED_BREAKPOINTS_REGS
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select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
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select HAVE_NMI
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select HAVE_PATA_PLATFORM
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select HAVE_PERF_EVENTS
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select HAVE_REGS_AND_STACK_ACCESS_API
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select HAVE_UID16
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select HAVE_SOFTIRQ_ON_OWN_STACK if IRQSTACKS
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select HAVE_STACKPROTECTOR
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select HAVE_SYSCALL_TRACEPOINTS
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select IRQ_FORCED_THREADING
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select LOCK_MM_AND_FIND_VMA
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select MODULES_USE_ELF_RELA
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select NEED_SG_DMA_LENGTH
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select NO_DMA if !MMU && !DMA_COHERENT
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select NO_GENERIC_PCI_IOPORT_MAP if PCI
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select OLD_SIGACTION
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select OLD_SIGSUSPEND
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select PCI_DOMAINS if PCI
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select PERF_EVENTS
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select PERF_USE_VMALLOC
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select RTC_LIB
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select SPARSE_IRQ
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select TRACE_IRQFLAGS_SUPPORT
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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 GENERIC_BUG
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def_bool y
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depends on BUG
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config GENERIC_HWEIGHT
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def_bool y
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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 && PREEMPTION
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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_SMP
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bool
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config SYS_SUPPORTS_NUMA
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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 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 NO_IOPORT_MAP
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def_bool !PCI
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depends on !SH_SHMIN && !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 !NO_DMA && !DMA_COHERENT
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select ARCH_HAS_DMA_PREP_COHERENT
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select ARCH_HAS_SYNC_DMA_FOR_DEVICE
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select DMA_DIRECT_REMAP
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config PGTABLE_LEVELS
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default 3 if X2TLB
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default 2
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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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select SH_INTC
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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_J2
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bool
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select CPU_SH2
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select OF
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select OF_EARLY_FLATTREE
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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 SH_INTC
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select SYS_SUPPORTS_SH_TMU
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config CPU_SH4
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bool
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select ARCH_SUPPORTS_HUGETLBFS if MMU
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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 SH_INTC
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select SYS_SUPPORTS_SH_TMU
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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_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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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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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_SH_CMT
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config CPU_SUBTYPE_J2
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bool "Support J2 processor"
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select CPU_J2
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select SYS_SUPPORTS_SMP
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select GENERIC_CLOCKEVENTS_BROADCAST if SMP
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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_SH_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_SH_CMT
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select SYS_SUPPORTS_SH_MTU2
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select PINCTRL
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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_SH_CMT
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select SYS_SUPPORTS_SH_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_SH_CMT
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select SYS_SUPPORTS_SH_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_SH_CMT
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select SYS_SUPPORTS_SH_MTU2
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select PINCTRL
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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_SH_CMT
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select SYS_SUPPORTS_SH_MTU2
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select PINCTRL
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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_SH_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_SH_CMT
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select USB_OHCI_SH if USB_OHCI_HCD
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select PINCTRL
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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_SH_CMT
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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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# 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
|
||
|
|
select SYS_SUPPORTS_SH_CMT
|
||
|
|
select PINCTRL
|
||
|
|
help
|
||
|
|
Select SH7723 if you have an SH-MobileR2 CPU.
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7724
|
||
|
|
bool "Support SH7724 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX2
|
||
|
|
select ARCH_SHMOBILE
|
||
|
|
select ARCH_SPARSEMEM_ENABLE
|
||
|
|
select SYS_SUPPORTS_SH_CMT
|
||
|
|
select PINCTRL
|
||
|
|
help
|
||
|
|
Select SH7724 if you have an SH-MobileR2R CPU.
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7734
|
||
|
|
bool "Support SH7734 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX2
|
||
|
|
select PINCTRL
|
||
|
|
help
|
||
|
|
Select SH7734 if you have a SH4A SH7734 CPU.
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7757
|
||
|
|
bool "Support SH7757 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX2
|
||
|
|
select PINCTRL
|
||
|
|
help
|
||
|
|
Select SH7757 if you have a SH4A SH7757 CPU.
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7763
|
||
|
|
bool "Support SH7763 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select USB_OHCI_SH if USB_OHCI_HCD
|
||
|
|
help
|
||
|
|
Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7770
|
||
|
|
bool "Support SH7770 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7780
|
||
|
|
bool "Support SH7780 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7785
|
||
|
|
bool "Support SH7785 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX2
|
||
|
|
select ARCH_SPARSEMEM_ENABLE
|
||
|
|
select SYS_SUPPORTS_NUMA
|
||
|
|
select PINCTRL
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7786
|
||
|
|
bool "Support SH7786 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX3
|
||
|
|
select CPU_HAS_PTEAEX
|
||
|
|
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
|
||
|
|
select USB_OHCI_SH if USB_OHCI_HCD
|
||
|
|
select USB_EHCI_SH if USB_EHCI_HCD
|
||
|
|
select PINCTRL
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SHX3
|
||
|
|
bool "Support SH-X3 processor"
|
||
|
|
select CPU_SH4A
|
||
|
|
select CPU_SHX3
|
||
|
|
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
|
||
|
|
select GPIOLIB
|
||
|
|
select PINCTRL
|
||
|
|
|
||
|
|
# SH4AL-DSP Processor Support
|
||
|
|
|
||
|
|
config CPU_SUBTYPE_SH7343
|
||
|
|
bool "Support SH7343 processor"
|
||
|
|
select CPU_SH4AL_DSP
|
||
|
|
select ARCH_SHMOBILE
|
||
|
|
select SYS_SUPPORTS_SH_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_SH_CMT
|
||
|
|
select PINCTRL
|
||
|
|
|
||
|
|
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_SH_CMT
|
||
|
|
|
||
|
|
endchoice
|
||
|
|
|
||
|
|
source "arch/sh/mm/Kconfig"
|
||
|
|
|
||
|
|
source "arch/sh/Kconfig.cpu"
|
||
|
|
|
||
|
|
source "arch/sh/boards/Kconfig"
|
||
|
|
|
||
|
|
menu "Timer and clock configuration"
|
||
|
|
|
||
|
|
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 "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"
|
||
|
|
endmenu
|
||
|
|
|
||
|
|
source "arch/sh/drivers/Kconfig"
|
||
|
|
|
||
|
|
endmenu
|
||
|
|
|
||
|
|
menu "Kernel features"
|
||
|
|
|
||
|
|
source "kernel/Kconfig.hz"
|
||
|
|
|
||
|
|
config ARCH_SUPPORTS_KEXEC
|
||
|
|
def_bool MMU
|
||
|
|
|
||
|
|
config ARCH_SUPPORTS_CRASH_DUMP
|
||
|
|
def_bool BROKEN_ON_SMP
|
||
|
|
|
||
|
|
config ARCH_SUPPORTS_KEXEC_JUMP
|
||
|
|
def_bool y
|
||
|
|
|
||
|
|
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 SMP
|
||
|
|
bool "Symmetric multi-processing support"
|
||
|
|
depends on SYS_SUPPORTS_SMP
|
||
|
|
help
|
||
|
|
This enables support for systems with more than one CPU. If you have
|
||
|
|
a system with only one CPU, say N. If you have a system with more
|
||
|
|
than one CPU, say Y.
|
||
|
|
|
||
|
|
If you say N here, the kernel will run on uni- 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,
|
||
|
|
uniprocessor machines. On a uniprocessor 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/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
|
||
|
|
available at <https://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
|
||
|
|
help
|
||
|
|
Say Y here to experiment with turning CPUs off and on. CPUs
|
||
|
|
can be controlled through /sys/devices/system/cpu.
|
||
|
|
|
||
|
|
config GUSA
|
||
|
|
def_bool y
|
||
|
|
depends on !SMP
|
||
|
|
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 USE_BUILTIN_DTB
|
||
|
|
bool "Use builtin DTB"
|
||
|
|
default n
|
||
|
|
depends on SH_DEVICE_TREE
|
||
|
|
help
|
||
|
|
Link a device tree blob for particular hardware into the kernel,
|
||
|
|
suppressing use of the DTB pointer provided by the bootloader.
|
||
|
|
This option should only be used with legacy bootloaders that are
|
||
|
|
not capable of providing a DTB to the kernel, or for experimental
|
||
|
|
hardware without stable device tree bindings.
|
||
|
|
|
||
|
|
config BUILTIN_DTB_SOURCE
|
||
|
|
string "Source file for builtin DTB"
|
||
|
|
default ""
|
||
|
|
depends on USE_BUILTIN_DTB
|
||
|
|
help
|
||
|
|
Base name (without suffix, relative to arch/sh/boot/dts) for the
|
||
|
|
a DTS file that will be used to produce the DTB linked into the
|
||
|
|
kernel.
|
||
|
|
|
||
|
|
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 "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
|
||
|
|
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 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.
|
||
|
|
|
||
|
|
endmenu
|
||
|
|
|
||
|
|
menu "Power management options (EXPERIMENTAL)"
|
||
|
|
|
||
|
|
source "kernel/power/Kconfig"
|
||
|
|
|
||
|
|
source "drivers/cpuidle/Kconfig"
|
||
|
|
|
||
|
|
endmenu
|