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61307b7be4
documented (hopefully adequately) in the respective changelogs. Notable series include: - Lucas Stach has provided some page-mapping cleanup/consolidation/maintainability work in the series "mm/treewide: Remove pXd_huge() API". - In the series "Allow migrate on protnone reference with MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one test. - In their series "Memory allocation profiling" Kent Overstreet and Suren Baghdasaryan have contributed a means of determining (via /proc/allocinfo) whereabouts in the kernel memory is being allocated: number of calls and amount of memory. - Matthew Wilcox has provided the series "Various significant MM patches" which does a number of rather unrelated things, but in largely similar code sites. - In his series "mm: page_alloc: freelist migratetype hygiene" Johannes Weiner has fixed the page allocator's handling of migratetype requests, with resulting improvements in compaction efficiency. - In the series "make the hugetlb migration strategy consistent" Baolin Wang has fixed a hugetlb migration issue, which should improve hugetlb allocation reliability. - Liu Shixin has hit an I/O meltdown caused by readahead in a memory-tight memcg. Addressed in the series "Fix I/O high when memory almost met memcg limit". - In the series "mm/filemap: optimize folio adding and splitting" Kairui Song has optimized pagecache insertion, yielding ~10% performance improvement in one test. - Baoquan He has cleaned up and consolidated the early zone initialization code in the series "mm/mm_init.c: refactor free_area_init_core()". - Baoquan has also redone some MM initializatio code in the series "mm/init: minor clean up and improvement". - MM helper cleanups from Christoph Hellwig in his series "remove follow_pfn". - More cleanups from Matthew Wilcox in the series "Various page->flags cleanups". - Vlastimil Babka has contributed maintainability improvements in the series "memcg_kmem hooks refactoring". - More folio conversions and cleanups in Matthew Wilcox's series "Convert huge_zero_page to huge_zero_folio" "khugepaged folio conversions" "Remove page_idle and page_young wrappers" "Use folio APIs in procfs" "Clean up __folio_put()" "Some cleanups for memory-failure" "Remove page_mapping()" "More folio compat code removal" - David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb functions to work on folis". - Code consolidation and cleanup work related to GUP's handling of hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2". - Rick Edgecombe has developed some fixes to stack guard gaps in the series "Cover a guard gap corner case". - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series "mm/ksm: fix ksm exec support for prctl". - Baolin Wang has implemented NUMA balancing for multi-size THPs. This is a simple first-cut implementation for now. The series is "support multi-size THP numa balancing". - Cleanups to vma handling helper functions from Matthew Wilcox in the series "Unify vma_address and vma_pgoff_address". - Some selftests maintenance work from Dev Jain in the series "selftests/mm: mremap_test: Optimizations and style fixes". - Improvements to the swapping of multi-size THPs from Ryan Roberts in the series "Swap-out mTHP without splitting". - Kefeng Wang has significantly optimized the handling of arm64's permission page faults in the series "arch/mm/fault: accelerate pagefault when badaccess" "mm: remove arch's private VM_FAULT_BADMAP/BADACCESS" - GUP cleanups from David Hildenbrand in "mm/gup: consistently call it GUP-fast". - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to use struct vm_fault". - selftests build fixes from John Hubbard in the series "Fix selftests/mm build without requiring "make headers"". - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the series "Improved Memory Tier Creation for CPUless NUMA Nodes". Fixes the initialization code so that migration between different memory types works as intended. - David Hildenbrand has improved follow_pte() and fixed an errant driver in the series "mm: follow_pte() improvements and acrn follow_pte() fixes". - David also did some cleanup work on large folio mapcounts in his series "mm: mapcount for large folios + page_mapcount() cleanups". - Folio conversions in KSM in Alex Shi's series "transfer page to folio in KSM". - Barry Song has added some sysfs stats for monitoring multi-size THP's in the series "mm: add per-order mTHP alloc and swpout counters". - Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled and limit checking cleanups". - Matthew Wilcox has been looking at buffer_head code and found the documentation to be lacking. The series is "Improve buffer head documentation". - Multi-size THPs get more work, this time from Lance Yang. His series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes the freeing of these things. - Kemeng Shi has added more userspace-visible writeback instrumentation in the series "Improve visibility of writeback". - Kemeng Shi then sent some maintenance work on top in the series "Fix and cleanups to page-writeback". - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the series "Improve anon_vma scalability for anon VMAs". Intel's test bot reported an improbable 3x improvement in one test. - SeongJae Park adds some DAMON feature work in the series "mm/damon: add a DAMOS filter type for page granularity access recheck" "selftests/damon: add DAMOS quota goal test" - Also some maintenance work in the series "mm/damon/paddr: simplify page level access re-check for pageout" "mm/damon: misc fixes and improvements" - David Hildenbrand has disabled some known-to-fail selftests ni the series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL". - memcg metadata storage optimizations from Shakeel Butt in "memcg: reduce memory consumption by memcg stats". - DAX fixes and maintenance work from Vishal Verma in the series "dax/bus.c: Fixups for dax-bus locking". -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZkgQYwAKCRDdBJ7gKXxA jrdKAP9WVJdpEcXxpoub/vVE0UWGtffr8foifi9bCwrQrGh5mgEAx7Yf0+d/oBZB nvA4E0DcPrUAFy144FNM0NTCb7u9vAw= =V3R/ -----END PGP SIGNATURE----- Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull mm updates from Andrew Morton: "The usual shower of singleton fixes and minor series all over MM, documented (hopefully adequately) in the respective changelogs. Notable series include: - Lucas Stach has provided some page-mapping cleanup/consolidation/ maintainability work in the series "mm/treewide: Remove pXd_huge() API". - In the series "Allow migrate on protnone reference with MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one test. - In their series "Memory allocation profiling" Kent Overstreet and Suren Baghdasaryan have contributed a means of determining (via /proc/allocinfo) whereabouts in the kernel memory is being allocated: number of calls and amount of memory. - Matthew Wilcox has provided the series "Various significant MM patches" which does a number of rather unrelated things, but in largely similar code sites. - In his series "mm: page_alloc: freelist migratetype hygiene" Johannes Weiner has fixed the page allocator's handling of migratetype requests, with resulting improvements in compaction efficiency. - In the series "make the hugetlb migration strategy consistent" Baolin Wang has fixed a hugetlb migration issue, which should improve hugetlb allocation reliability. - Liu Shixin has hit an I/O meltdown caused by readahead in a memory-tight memcg. Addressed in the series "Fix I/O high when memory almost met memcg limit". - In the series "mm/filemap: optimize folio adding and splitting" Kairui Song has optimized pagecache insertion, yielding ~10% performance improvement in one test. - Baoquan He has cleaned up and consolidated the early zone initialization code in the series "mm/mm_init.c: refactor free_area_init_core()". - Baoquan has also redone some MM initializatio code in the series "mm/init: minor clean up and improvement". - MM helper cleanups from Christoph Hellwig in his series "remove follow_pfn". - More cleanups from Matthew Wilcox in the series "Various page->flags cleanups". - Vlastimil Babka has contributed maintainability improvements in the series "memcg_kmem hooks refactoring". - More folio conversions and cleanups in Matthew Wilcox's series: "Convert huge_zero_page to huge_zero_folio" "khugepaged folio conversions" "Remove page_idle and page_young wrappers" "Use folio APIs in procfs" "Clean up __folio_put()" "Some cleanups for memory-failure" "Remove page_mapping()" "More folio compat code removal" - David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb functions to work on folis". - Code consolidation and cleanup work related to GUP's handling of hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2". - Rick Edgecombe has developed some fixes to stack guard gaps in the series "Cover a guard gap corner case". - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series "mm/ksm: fix ksm exec support for prctl". - Baolin Wang has implemented NUMA balancing for multi-size THPs. This is a simple first-cut implementation for now. The series is "support multi-size THP numa balancing". - Cleanups to vma handling helper functions from Matthew Wilcox in the series "Unify vma_address and vma_pgoff_address". - Some selftests maintenance work from Dev Jain in the series "selftests/mm: mremap_test: Optimizations and style fixes". - Improvements to the swapping of multi-size THPs from Ryan Roberts in the series "Swap-out mTHP without splitting". - Kefeng Wang has significantly optimized the handling of arm64's permission page faults in the series "arch/mm/fault: accelerate pagefault when badaccess" "mm: remove arch's private VM_FAULT_BADMAP/BADACCESS" - GUP cleanups from David Hildenbrand in "mm/gup: consistently call it GUP-fast". - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to use struct vm_fault". - selftests build fixes from John Hubbard in the series "Fix selftests/mm build without requiring "make headers"". - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the series "Improved Memory Tier Creation for CPUless NUMA Nodes". Fixes the initialization code so that migration between different memory types works as intended. - David Hildenbrand has improved follow_pte() and fixed an errant driver in the series "mm: follow_pte() improvements and acrn follow_pte() fixes". - David also did some cleanup work on large folio mapcounts in his series "mm: mapcount for large folios + page_mapcount() cleanups". - Folio conversions in KSM in Alex Shi's series "transfer page to folio in KSM". - Barry Song has added some sysfs stats for monitoring multi-size THP's in the series "mm: add per-order mTHP alloc and swpout counters". - Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled and limit checking cleanups". - Matthew Wilcox has been looking at buffer_head code and found the documentation to be lacking. The series is "Improve buffer head documentation". - Multi-size THPs get more work, this time from Lance Yang. His series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes the freeing of these things. - Kemeng Shi has added more userspace-visible writeback instrumentation in the series "Improve visibility of writeback". - Kemeng Shi then sent some maintenance work on top in the series "Fix and cleanups to page-writeback". - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the series "Improve anon_vma scalability for anon VMAs". Intel's test bot reported an improbable 3x improvement in one test. - SeongJae Park adds some DAMON feature work in the series "mm/damon: add a DAMOS filter type for page granularity access recheck" "selftests/damon: add DAMOS quota goal test" - Also some maintenance work in the series "mm/damon/paddr: simplify page level access re-check for pageout" "mm/damon: misc fixes and improvements" - David Hildenbrand has disabled some known-to-fail selftests ni the series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL". - memcg metadata storage optimizations from Shakeel Butt in "memcg: reduce memory consumption by memcg stats". - DAX fixes and maintenance work from Vishal Verma in the series "dax/bus.c: Fixups for dax-bus locking"" * tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits) memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault selftests: cgroup: add tests to verify the zswap writeback path mm: memcg: make alloc_mem_cgroup_per_node_info() return bool mm/damon/core: fix return value from damos_wmark_metric_value mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED selftests: cgroup: remove redundant enabling of memory controller Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT Docs/mm/damon/design: use a list for supported filters Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file selftests/damon: classify tests for functionalities and regressions selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None' selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts selftests/damon/_damon_sysfs: check errors from nr_schemes file reads mm/damon/core: initialize ->esz_bp from damos_quota_init_priv() selftests/damon: add a test for DAMOS quota goal ...
766 lines
18 KiB
Plaintext
766 lines
18 KiB
Plaintext
# 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_HAS_CPU_CACHE_ALIASING
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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_GUP_FAST 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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!SH_DREAMCAST
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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"
|
|
select CPU_SH3
|
|
help
|
|
Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7707
|
|
bool "Support SH7707 processor"
|
|
select CPU_SH3
|
|
help
|
|
Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7708
|
|
bool "Support SH7708 processor"
|
|
select CPU_SH3
|
|
help
|
|
Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
|
|
if you have a 100 Mhz SH-3 HD6417708R CPU.
|
|
|
|
config CPU_SUBTYPE_SH7709
|
|
bool "Support SH7709 processor"
|
|
select CPU_SH3
|
|
help
|
|
Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7710
|
|
bool "Support SH7710 processor"
|
|
select CPU_SH3
|
|
select CPU_HAS_DSP
|
|
help
|
|
Select SH7710 if you have a SH3-DSP SH7710 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7712
|
|
bool "Support SH7712 processor"
|
|
select CPU_SH3
|
|
select CPU_HAS_DSP
|
|
help
|
|
Select SH7712 if you have a SH3-DSP SH7712 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7720
|
|
bool "Support SH7720 processor"
|
|
select CPU_SH3
|
|
select CPU_HAS_DSP
|
|
select SYS_SUPPORTS_SH_CMT
|
|
select USB_OHCI_SH if USB_OHCI_HCD
|
|
select PINCTRL
|
|
help
|
|
Select SH7720 if you have a SH3-DSP SH7720 CPU.
|
|
|
|
config CPU_SUBTYPE_SH7721
|
|
bool "Support SH7721 processor"
|
|
select CPU_SH3
|
|
select CPU_HAS_DSP
|
|
select SYS_SUPPORTS_SH_CMT
|
|
select USB_OHCI_SH if USB_OHCI_HCD
|
|
help
|
|
Select SH7721 if you have a SH3-DSP SH7721 CPU.
|
|
|
|
# SH-4 Processor Support
|
|
|
|
config CPU_SUBTYPE_SH7750
|
|
bool "Support SH7750 processor"
|
|
select CPU_SH4
|
|
help
|
|
Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
|
|
|
|
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_SUBTYPE_SH7750R
|
|
bool "Support SH7750R processor"
|
|
select CPU_SH4
|
|
|
|
config CPU_SUBTYPE_SH7750S
|
|
bool "Support SH7750S processor"
|
|
select CPU_SH4
|
|
|
|
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_SUBTYPE_SH7751R
|
|
bool "Support SH7751R processor"
|
|
select CPU_SH4
|
|
|
|
config CPU_SUBTYPE_SH7760
|
|
bool "Support SH7760 processor"
|
|
select CPU_SH4
|
|
|
|
# SH-4A Processor Support
|
|
|
|
config CPU_SUBTYPE_SH7723
|
|
bool "Support SH7723 processor"
|
|
select CPU_SH4A
|
|
select CPU_SHX2
|
|
select ARCH_SHMOBILE
|
|
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"
|
|
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.
|
|
|
|
config CMDLINE_FROM_BOOTLOADER
|
|
bool "Use bootloader kernel arguments"
|
|
help
|
|
Uses the command-line options passed by the boot loader.
|
|
|
|
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
|