1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 2ea0e1a9aSPaul Mundtconfig SUPERH 3ea0e1a9aSPaul Mundt def_bool y 445624ac3SRich Felker select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 509d8dd93SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 607c75d7aSVladimir Murzin select ARCH_NO_COHERENT_DMA_MMAP if !MMU 7560b8c0eSRob Landley select HAVE_PATA_PLATFORM 86d803ba7SJean-Christop PLAGNIOL-VILLARD select CLKDEV_LOOKUP 9ce816fa8SUwe Kleine-König select HAVE_IDE if HAS_IOPORT_MAP 1095f72d1eSYinghai Lu select HAVE_MEMBLOCK 11534cfbeeSTejun Heo select HAVE_MEMBLOCK_NODE_MAP 12adaf7fd2SPaul Mundt select ARCH_DISCARD_MEMBLOCK 1342d4b839SMathieu Desnoyers select HAVE_OPROFILE 149de90ac2SDmitry Baryshkov select HAVE_GENERIC_DMA_COHERENT 15d7b01f78SPaul Mundt select HAVE_ARCH_TRACEHOOK 16cdd6c482SIngo Molnar select HAVE_PERF_EVENTS 179b2a60c4SCatalin Marinas select HAVE_DEBUG_BUGVERBOSE 187563bbf8SMark Brown select ARCH_HAVE_CUSTOM_GPIO_H 19df013ffbSHuang Ying select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A) 20957e3facSRiku Voipio select ARCH_HAS_GCOV_PROFILE_ALL 2172f0c137SPaul Mundt select PERF_USE_VMALLOC 22b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 23df8ce259SPaul Mundt select HAVE_KERNEL_GZIP 24fff7fb0bSZhaoxiu Zeng select CPU_NO_EFFICIENT_FFS 2507e88e1bSPaul Mundt select HAVE_KERNEL_BZIP2 2607e88e1bSPaul Mundt select HAVE_KERNEL_LZMA 2750cfa79dSPaul Mundt select HAVE_KERNEL_XZ 28c7b16efbSPaul Mundt select HAVE_KERNEL_LZO 29af1839ebSCatalin Marinas select HAVE_UID16 30c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 31a74f7e04SPaul Mundt select HAVE_SYSCALL_TRACEPOINTS 32eaaaeef3SPaul Mundt select HAVE_REGS_AND_STACK_ACCESS_API 332ed86b16SRob Herring select MAY_HAVE_SPARSE_IRQ 34ed170924SPaul Mundt select IRQ_FORCED_THREADING 356eac1af0SPaul Mundt select RTC_LIB 36f01789c6SPaul Mundt select GENERIC_ATOMIC64 373d44ae40SPaul Mundt select GENERIC_IRQ_SHOW 38ea0588cbSThomas Gleixner select GENERIC_SMP_IDLE_THREAD 39dc775dd8SThomas Gleixner select GENERIC_IDLE_POLL_SETUP 408cf200d8SAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 418cf200d8SAnna-Maria Gleixner select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST 42b46ed370SRich Felker select GENERIC_SCHED_CLOCK 430e100e11SPaul Mundt select GENERIC_STRNCPY_FROM_USER 44cba8df4bSPaul Mundt select GENERIC_STRNLEN_USER 45786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER 46786d35d4SDavid Howells select MODULES_USE_ELF_RELA 47881e252dSAl Viro select OLD_SIGSUSPEND 480679a858SAl Viro select OLD_SIGACTION 497a017721SAKASHI Takahiro select HAVE_ARCH_AUDITSYSCALL 5072cc564fSRich Felker select HAVE_FUTEX_CMPXCHG if FUTEX 5142a0bb3fSPetr Mladek select HAVE_NMI 5286596f0aSChristoph Hellwig select NEED_SG_DMA_LENGTH 5386596f0aSChristoph Hellwig 54ea0e1a9aSPaul Mundt help 55ea0e1a9aSPaul Mundt The SuperH is a RISC processor targeted for use in embedded systems 56ea0e1a9aSPaul Mundt and consumer electronics; it was also used in the Sega Dreamcast 57ea0e1a9aSPaul Mundt gaming console. The SuperH port has a home page at 58ea0e1a9aSPaul Mundt <http://www.linux-sh.org/>. 59ea0e1a9aSPaul Mundt 60ea0e1a9aSPaul Mundtconfig SUPERH32 613cc000b5SPaul Mundt def_bool ARCH = "sh" 62d39f5450SChris Smith select HAVE_KPROBES 63d39f5450SChris Smith select HAVE_KRETPROBES 646d63e73dSPaul Mundt select HAVE_IOREMAP_PROT if MMU && !X2TLB 65694f94f2SPaul Mundt select HAVE_FUNCTION_TRACER 66fad57febSMatt Fleming select HAVE_FTRACE_MCOUNT_RECORD 67fad57febSMatt Fleming select HAVE_DYNAMIC_FTRACE 68e4b053d9SPaul Mundt select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE 69c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 70327933f5SMatt Fleming select HAVE_FUNCTION_GRAPH_TRACER 71ab6e570bSPaul Mundt select HAVE_ARCH_KGDB 726fbfe8d7SPaul Mundt select HAVE_HW_BREAKPOINT 730102752eSFrederic Weisbecker select HAVE_MIXED_BREAKPOINTS_REGS 74e583d6b3SSam Ravnborg select PERF_EVENTS 758dafc346SPaul Mundt select ARCH_HIBERNATION_POSSIBLE if MMU 7657b81330SPaul Mundt select SPARSE_IRQ 7719952a92SKees Cook select HAVE_CC_STACKPROTECTOR 78ea0e1a9aSPaul Mundt 79ea0e1a9aSPaul Mundtconfig SUPERH64 803cc000b5SPaul Mundt def_bool ARCH = "sh64" 815f56a5dfSJiri Slaby select HAVE_EXIT_THREAD 823a898c0fSPaul Mundt select KALLSYMS 83ea0e1a9aSPaul Mundt 84f42b7e3dSPaul Mundtconfig ARCH_DEFCONFIG 85f42b7e3dSPaul Mundt string 86f42b7e3dSPaul Mundt default "arch/sh/configs/shx3_defconfig" if SUPERH32 87f42b7e3dSPaul Mundt default "arch/sh/configs/cayman_defconfig" if SUPERH64 88f42b7e3dSPaul Mundt 89ea0e1a9aSPaul Mundtconfig RWSEM_GENERIC_SPINLOCK 90d7ef4fb3SHarvey Harrison def_bool y 91ea0e1a9aSPaul Mundt 92ea0e1a9aSPaul Mundtconfig RWSEM_XCHGADD_ALGORITHM 93ea0e1a9aSPaul Mundt bool 94ea0e1a9aSPaul Mundt 95ea0e1a9aSPaul Mundtconfig GENERIC_BUG 96ea0e1a9aSPaul Mundt def_bool y 97a82d53ecSPaul Mundt depends on BUG && SUPERH32 98ea0e1a9aSPaul Mundt 993767f3f1SPaul Mundtconfig GENERIC_CSUM 1003767f3f1SPaul Mundt def_bool y 1013767f3f1SPaul Mundt depends on SUPERH64 1023767f3f1SPaul Mundt 103ea0e1a9aSPaul Mundtconfig GENERIC_HWEIGHT 104d7ef4fb3SHarvey Harrison def_bool y 105ea0e1a9aSPaul Mundt 106ea0e1a9aSPaul Mundtconfig GENERIC_CALIBRATE_DELAY 107cf204fa7SPaul Mundt bool 108ea0e1a9aSPaul Mundt 109bdcab87bSPaul Mundtconfig GENERIC_LOCKBREAK 110bdcab87bSPaul Mundt def_bool y 111bdcab87bSPaul Mundt depends on SMP && PREEMPT 112bdcab87bSPaul Mundt 113af998a9aSMagnus Dammconfig ARCH_SUSPEND_POSSIBLE 114af998a9aSMagnus Damm def_bool n 115af998a9aSMagnus Damm 116af998a9aSMagnus Dammconfig ARCH_HIBERNATION_POSSIBLE 117af998a9aSMagnus Damm def_bool n 118ea0e1a9aSPaul Mundt 119ea0e1a9aSPaul Mundtconfig SYS_SUPPORTS_APM_EMULATION 120ea0e1a9aSPaul Mundt bool 121af998a9aSMagnus Damm select ARCH_SUSPEND_POSSIBLE 122ea0e1a9aSPaul Mundt 123ffb4a73dSPaul Mundtconfig SYS_SUPPORTS_HUGETLBFS 124ffb4a73dSPaul Mundt bool 125ffb4a73dSPaul Mundt 126ea0e1a9aSPaul Mundtconfig SYS_SUPPORTS_SMP 127ea0e1a9aSPaul Mundt bool 128ea0e1a9aSPaul Mundt 129ea0e1a9aSPaul Mundtconfig SYS_SUPPORTS_NUMA 130ea0e1a9aSPaul Mundt bool 131ea0e1a9aSPaul Mundt 132ea0e1a9aSPaul Mundtconfig SYS_SUPPORTS_PCI 133ea0e1a9aSPaul Mundt bool 134ea0e1a9aSPaul Mundt 135ea0e1a9aSPaul Mundtconfig STACKTRACE_SUPPORT 136d7ef4fb3SHarvey Harrison def_bool y 137ea0e1a9aSPaul Mundt 138ea0e1a9aSPaul Mundtconfig LOCKDEP_SUPPORT 139d7ef4fb3SHarvey Harrison def_bool y 140ea0e1a9aSPaul Mundt 141ea0e1a9aSPaul Mundtconfig ARCH_HAS_ILOG2_U32 142d7ef4fb3SHarvey Harrison def_bool n 143ea0e1a9aSPaul Mundt 144ea0e1a9aSPaul Mundtconfig ARCH_HAS_ILOG2_U64 145d7ef4fb3SHarvey Harrison def_bool n 146ea0e1a9aSPaul Mundt 147ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 14837b7a978SPaul Mundt def_bool !PCI 149c30b9c43SPaul Mundt depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \ 150c30b9c43SPaul Mundt !SH_HP6XX && !SH_SOLUTION_ENGINE 15186e4dd5aSPaul Mundt 152e7cc9a73SMagnus Dammconfig IO_TRAPPED 153e7cc9a73SMagnus Damm bool 154e7cc9a73SMagnus Damm 155b7e68d68SPaul Mundtconfig SWAP_IO_SPACE 156b7e68d68SPaul Mundt bool 157b7e68d68SPaul Mundt 15801be5d63SPaul Mundtconfig DMA_COHERENT 15901be5d63SPaul Mundt bool 16001be5d63SPaul Mundt 16101be5d63SPaul Mundtconfig DMA_NONCOHERENT 16201be5d63SPaul Mundt def_bool !DMA_COHERENT 16301be5d63SPaul Mundt 1645cabbb62SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 1655cabbb62SFUJITA Tomonori def_bool DMA_NONCOHERENT 1665cabbb62SFUJITA Tomonori 16769543d63SKirill A. Shutemovconfig PGTABLE_LEVELS 16869543d63SKirill A. Shutemov default 3 if X2TLB 16969543d63SKirill A. Shutemov default 2 17069543d63SKirill A. Shutemov 171ea0e1a9aSPaul Mundtsource "init/Kconfig" 172ea0e1a9aSPaul Mundt 173dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 174dc52ddc0SMatt Helsley 175ea0e1a9aSPaul Mundtmenu "System type" 176ea0e1a9aSPaul Mundt 177ea0e1a9aSPaul Mundt# 178ea0e1a9aSPaul Mundt# Processor families 179ea0e1a9aSPaul Mundt# 180ea0e1a9aSPaul Mundtconfig CPU_SH2 181ea0e1a9aSPaul Mundt bool 182049d2804SGeert Uytterhoeven select SH_INTC 183ea0e1a9aSPaul Mundt 184ea0e1a9aSPaul Mundtconfig CPU_SH2A 185ea0e1a9aSPaul Mundt bool 186ea0e1a9aSPaul Mundt select CPU_SH2 187e2fcf74fSPaul Mundt select UNCACHED_MAPPING 188ea0e1a9aSPaul Mundt 1895a846abaSRich Felkerconfig CPU_J2 1905a846abaSRich Felker bool 1915a846abaSRich Felker select CPU_SH2 1925a846abaSRich Felker select OF 1935a846abaSRich Felker select OF_EARLY_FLATTREE 1945a846abaSRich Felker 195ea0e1a9aSPaul Mundtconfig CPU_SH3 196ea0e1a9aSPaul Mundt bool 197ea0e1a9aSPaul Mundt select CPU_HAS_INTEVT 198ea0e1a9aSPaul Mundt select CPU_HAS_SR_RB 199049d2804SGeert Uytterhoeven select SH_INTC 200fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_TMU 201ea0e1a9aSPaul Mundt 202ea0e1a9aSPaul Mundtconfig CPU_SH4 203ea0e1a9aSPaul Mundt bool 204ea0e1a9aSPaul Mundt select CPU_HAS_INTEVT 205ea0e1a9aSPaul Mundt select CPU_HAS_SR_RB 206ea0e1a9aSPaul Mundt select CPU_HAS_FPU if !CPU_SH4AL_DSP 207049d2804SGeert Uytterhoeven select SH_INTC 208fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_TMU 209ffb4a73dSPaul Mundt select SYS_SUPPORTS_HUGETLBFS if MMU 210ea0e1a9aSPaul Mundt 211ea0e1a9aSPaul Mundtconfig CPU_SH4A 212ea0e1a9aSPaul Mundt bool 213ea0e1a9aSPaul Mundt select CPU_SH4 214ea0e1a9aSPaul Mundt 215ea0e1a9aSPaul Mundtconfig CPU_SH4AL_DSP 216ea0e1a9aSPaul Mundt bool 217ea0e1a9aSPaul Mundt select CPU_SH4A 218ea0e1a9aSPaul Mundt select CPU_HAS_DSP 219ea0e1a9aSPaul Mundt 220ea0e1a9aSPaul Mundtconfig CPU_SH5 221ea0e1a9aSPaul Mundt bool 222ea0e1a9aSPaul Mundt select CPU_HAS_FPU 223fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_TMU 224ffb4a73dSPaul Mundt select SYS_SUPPORTS_HUGETLBFS if MMU 225ea0e1a9aSPaul Mundt 226ea0e1a9aSPaul Mundtconfig CPU_SHX2 227ea0e1a9aSPaul Mundt bool 228ea0e1a9aSPaul Mundt 229ea0e1a9aSPaul Mundtconfig CPU_SHX3 230ea0e1a9aSPaul Mundt bool 23101be5d63SPaul Mundt select DMA_COHERENT 2324b478ee2SPaul Mundt select SYS_SUPPORTS_SMP 2334b478ee2SPaul Mundt select SYS_SUPPORTS_NUMA 234ea0e1a9aSPaul Mundt 235dc65a977SPaul Mundtconfig ARCH_SHMOBILE 236dc65a977SPaul Mundt bool 23777594912SMagnus Damm select ARCH_SUSPEND_POSSIBLE 238464ed18eSRafael J. Wysocki select PM 239dc65a977SPaul Mundt 24086c8c047SMatt Flemingconfig CPU_HAS_PMU 24186c8c047SMatt Fleming depends on CPU_SH4 || CPU_SH4A 24286c8c047SMatt Fleming default y 24386c8c047SMatt Fleming bool 24486c8c047SMatt Fleming 2453cc000b5SPaul Mundtif SUPERH32 2463cc000b5SPaul Mundt 247ea0e1a9aSPaul Mundtchoice 248ea0e1a9aSPaul Mundt prompt "Processor sub-type selection" 249ea0e1a9aSPaul Mundt 250ea0e1a9aSPaul Mundt# 251ea0e1a9aSPaul Mundt# Processor subtypes 252ea0e1a9aSPaul Mundt# 253ea0e1a9aSPaul Mundt 254ea0e1a9aSPaul Mundt# SH-2 Processor Support 255ea0e1a9aSPaul Mundt 256ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7619 257ea0e1a9aSPaul Mundt bool "Support SH7619 processor" 258ea0e1a9aSPaul Mundt select CPU_SH2 259fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 260ea0e1a9aSPaul Mundt 2615a846abaSRich Felkerconfig CPU_SUBTYPE_J2 2625a846abaSRich Felker bool "Support J2 processor" 2635a846abaSRich Felker select CPU_J2 264b4214e41SRich Felker select SYS_SUPPORTS_SMP 265b4214e41SRich Felker select GENERIC_CLOCKEVENTS_BROADCAST if SMP 2665a846abaSRich Felker 267ea0e1a9aSPaul Mundt# SH-2A Processor Support 268ea0e1a9aSPaul Mundt 2692825999eSPeter Griffinconfig CPU_SUBTYPE_SH7201 2702825999eSPeter Griffin bool "Support SH7201 processor" 2712825999eSPeter Griffin select CPU_SH2A 2722825999eSPeter Griffin select CPU_HAS_FPU 273fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 2742825999eSPeter Griffin 2756d01f510SPaul Mundtconfig CPU_SUBTYPE_SH7203 2766d01f510SPaul Mundt bool "Support SH7203 processor" 2776d01f510SPaul Mundt select CPU_SH2A 27874d99a5eSPaul Mundt select CPU_HAS_FPU 279fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 280fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 281b768ecbcSLaurent Pinchart select PINCTRL 2826d01f510SPaul Mundt 283ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7206 284ea0e1a9aSPaul Mundt bool "Support SH7206 processor" 285ea0e1a9aSPaul Mundt select CPU_SH2A 286fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 287fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 288ea0e1a9aSPaul Mundt 289a8f67f4bSPaul Mundtconfig CPU_SUBTYPE_SH7263 290a8f67f4bSPaul Mundt bool "Support SH7263 processor" 291a8f67f4bSPaul Mundt select CPU_SH2A 29274d99a5eSPaul Mundt select CPU_HAS_FPU 293fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 294fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 295a8f67f4bSPaul Mundt 29651ce3068SPhil Edworthyconfig CPU_SUBTYPE_SH7264 29751ce3068SPhil Edworthy bool "Support SH7264 processor" 29851ce3068SPhil Edworthy select CPU_SH2A 29951ce3068SPhil Edworthy select CPU_HAS_FPU 300fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 301fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 3025946e7bbSLaurent Pinchart select PINCTRL 30351ce3068SPhil Edworthy 3040b25b7c8SPhil Edworthyconfig CPU_SUBTYPE_SH7269 3050b25b7c8SPhil Edworthy bool "Support SH7269 processor" 3060b25b7c8SPhil Edworthy select CPU_SH2A 3070b25b7c8SPhil Edworthy select CPU_HAS_FPU 308fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 309fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 310fb872fccSLaurent Pinchart select PINCTRL 3110b25b7c8SPhil Edworthy 3122ad69908SPaul Mundtconfig CPU_SUBTYPE_MXG 3132ad69908SPaul Mundt bool "Support MX-G processor" 3142ad69908SPaul Mundt select CPU_SH2A 315fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_MTU2 3162ad69908SPaul Mundt help 3172ad69908SPaul Mundt Select MX-G if running on an R8A03022BG part. 3182ad69908SPaul Mundt 319ea0e1a9aSPaul Mundt# SH-3 Processor Support 320ea0e1a9aSPaul Mundt 321ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7705 322ea0e1a9aSPaul Mundt bool "Support SH7705 processor" 323ea0e1a9aSPaul Mundt select CPU_SH3 324ea0e1a9aSPaul Mundt 325ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7706 326ea0e1a9aSPaul Mundt bool "Support SH7706 processor" 327ea0e1a9aSPaul Mundt select CPU_SH3 328ea0e1a9aSPaul Mundt help 329ea0e1a9aSPaul Mundt Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. 330ea0e1a9aSPaul Mundt 331ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7707 332ea0e1a9aSPaul Mundt bool "Support SH7707 processor" 333ea0e1a9aSPaul Mundt select CPU_SH3 334ea0e1a9aSPaul Mundt help 335ea0e1a9aSPaul Mundt Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. 336ea0e1a9aSPaul Mundt 337ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7708 338ea0e1a9aSPaul Mundt bool "Support SH7708 processor" 339ea0e1a9aSPaul Mundt select CPU_SH3 340ea0e1a9aSPaul Mundt help 341ea0e1a9aSPaul Mundt Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or 342ea0e1a9aSPaul Mundt if you have a 100 Mhz SH-3 HD6417708R CPU. 343ea0e1a9aSPaul Mundt 344ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7709 345ea0e1a9aSPaul Mundt bool "Support SH7709 processor" 346ea0e1a9aSPaul Mundt select CPU_SH3 347ea0e1a9aSPaul Mundt help 348ea0e1a9aSPaul Mundt Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. 349ea0e1a9aSPaul Mundt 350ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7710 351ea0e1a9aSPaul Mundt bool "Support SH7710 processor" 352ea0e1a9aSPaul Mundt select CPU_SH3 353ea0e1a9aSPaul Mundt select CPU_HAS_DSP 354ea0e1a9aSPaul Mundt help 355ea0e1a9aSPaul Mundt Select SH7710 if you have a SH3-DSP SH7710 CPU. 356ea0e1a9aSPaul Mundt 357ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7712 358ea0e1a9aSPaul Mundt bool "Support SH7712 processor" 359ea0e1a9aSPaul Mundt select CPU_SH3 360ea0e1a9aSPaul Mundt select CPU_HAS_DSP 361ea0e1a9aSPaul Mundt help 362ea0e1a9aSPaul Mundt Select SH7712 if you have a SH3-DSP SH7712 CPU. 363ea0e1a9aSPaul Mundt 364ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7720 365ea0e1a9aSPaul Mundt bool "Support SH7720 processor" 366ea0e1a9aSPaul Mundt select CPU_SH3 367ea0e1a9aSPaul Mundt select CPU_HAS_DSP 368fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 3697b61ca5dSPaul Mundt select USB_OHCI_SH if USB_OHCI_HCD 37085db6bffSLaurent Pinchart select PINCTRL 371ea0e1a9aSPaul Mundt help 372ea0e1a9aSPaul Mundt Select SH7720 if you have a SH3-DSP SH7720 CPU. 373ea0e1a9aSPaul Mundt 37431a49c4bSYoshihiro Shimodaconfig CPU_SUBTYPE_SH7721 37531a49c4bSYoshihiro Shimoda bool "Support SH7721 processor" 37631a49c4bSYoshihiro Shimoda select CPU_SH3 37731a49c4bSYoshihiro Shimoda select CPU_HAS_DSP 378fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 3797b61ca5dSPaul Mundt select USB_OHCI_SH if USB_OHCI_HCD 38031a49c4bSYoshihiro Shimoda help 38131a49c4bSYoshihiro Shimoda Select SH7721 if you have a SH3-DSP SH7721 CPU. 38231a49c4bSYoshihiro Shimoda 383ea0e1a9aSPaul Mundt# SH-4 Processor Support 384ea0e1a9aSPaul Mundt 385ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7750 386ea0e1a9aSPaul Mundt bool "Support SH7750 processor" 387ea0e1a9aSPaul Mundt select CPU_SH4 388ea0e1a9aSPaul Mundt help 389ea0e1a9aSPaul Mundt Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. 390ea0e1a9aSPaul Mundt 391ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7091 392ea0e1a9aSPaul Mundt bool "Support SH7091 processor" 393ea0e1a9aSPaul Mundt select CPU_SH4 394ea0e1a9aSPaul Mundt help 395ea0e1a9aSPaul Mundt Select SH7091 if you have an SH-4 based Sega device (such as 396ea0e1a9aSPaul Mundt the Dreamcast, Naomi, and Naomi 2). 397ea0e1a9aSPaul Mundt 398ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7750R 399ea0e1a9aSPaul Mundt bool "Support SH7750R processor" 400ea0e1a9aSPaul Mundt select CPU_SH4 401ea0e1a9aSPaul Mundt 402ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7750S 403ea0e1a9aSPaul Mundt bool "Support SH7750S processor" 404ea0e1a9aSPaul Mundt select CPU_SH4 405ea0e1a9aSPaul Mundt 406ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7751 407ea0e1a9aSPaul Mundt bool "Support SH7751 processor" 408ea0e1a9aSPaul Mundt select CPU_SH4 409ea0e1a9aSPaul Mundt help 410ea0e1a9aSPaul Mundt Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, 411ea0e1a9aSPaul Mundt or if you have a HD6417751R CPU. 412ea0e1a9aSPaul Mundt 413ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7751R 414ea0e1a9aSPaul Mundt bool "Support SH7751R processor" 415ea0e1a9aSPaul Mundt select CPU_SH4 416ea0e1a9aSPaul Mundt 417ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7760 418ea0e1a9aSPaul Mundt bool "Support SH7760 processor" 419ea0e1a9aSPaul Mundt select CPU_SH4 420ea0e1a9aSPaul Mundt 421ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH4_202 422ea0e1a9aSPaul Mundt bool "Support SH4-202 processor" 423ea0e1a9aSPaul Mundt select CPU_SH4 424ea0e1a9aSPaul Mundt 425ea0e1a9aSPaul Mundt# SH-4A Processor Support 426ea0e1a9aSPaul Mundt 427178dd0cdSPaul Mundtconfig CPU_SUBTYPE_SH7723 428178dd0cdSPaul Mundt bool "Support SH7723 processor" 429178dd0cdSPaul Mundt select CPU_SH4A 430178dd0cdSPaul Mundt select CPU_SHX2 431dc65a977SPaul Mundt select ARCH_SHMOBILE 432178dd0cdSPaul Mundt select ARCH_SPARSEMEM_ENABLE 433fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 43416941a89SLaurent Pinchart select PINCTRL 435178dd0cdSPaul Mundt help 436178dd0cdSPaul Mundt Select SH7723 if you have an SH-MobileR2 CPU. 437178dd0cdSPaul Mundt 4380207a2efSKuninori Morimotoconfig CPU_SUBTYPE_SH7724 4390207a2efSKuninori Morimoto bool "Support SH7724 processor" 4400207a2efSKuninori Morimoto select CPU_SH4A 4410207a2efSKuninori Morimoto select CPU_SHX2 44259fe700dSPaul Mundt select ARCH_SHMOBILE 4430207a2efSKuninori Morimoto select ARCH_SPARSEMEM_ENABLE 444fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 44518ebd228SLaurent Pinchart select PINCTRL 4460207a2efSKuninori Morimoto help 4470207a2efSKuninori Morimoto Select SH7724 if you have an SH-MobileR2R CPU. 4480207a2efSKuninori Morimoto 449fea88a0cSNobuhiro Iwamatsuconfig CPU_SUBTYPE_SH7734 450fea88a0cSNobuhiro Iwamatsu bool "Support SH7734 processor" 451fea88a0cSNobuhiro Iwamatsu select CPU_SH4A 452fea88a0cSNobuhiro Iwamatsu select CPU_SHX2 4532c172182SLaurent Pinchart select PINCTRL 454fea88a0cSNobuhiro Iwamatsu help 455fea88a0cSNobuhiro Iwamatsu Select SH7734 if you have a SH4A SH7734 CPU. 456fea88a0cSNobuhiro Iwamatsu 457c01f0f1aSYoshihiro Shimodaconfig CPU_SUBTYPE_SH7757 458c01f0f1aSYoshihiro Shimoda bool "Support SH7757 processor" 459c01f0f1aSYoshihiro Shimoda select CPU_SH4A 460c01f0f1aSYoshihiro Shimoda select CPU_SHX2 461eb61b772SLaurent Pinchart select PINCTRL 462c01f0f1aSYoshihiro Shimoda help 463c01f0f1aSYoshihiro Shimoda Select SH7757 if you have a SH4A SH7757 CPU. 464c01f0f1aSYoshihiro Shimoda 4657d740a06SYoshihiro Shimodaconfig CPU_SUBTYPE_SH7763 4667d740a06SYoshihiro Shimoda bool "Support SH7763 processor" 4677d740a06SYoshihiro Shimoda select CPU_SH4A 4687b61ca5dSPaul Mundt select USB_OHCI_SH if USB_OHCI_HCD 4697d740a06SYoshihiro Shimoda help 4707d740a06SYoshihiro Shimoda Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. 4717d740a06SYoshihiro Shimoda 472ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7770 473ea0e1a9aSPaul Mundt bool "Support SH7770 processor" 474ea0e1a9aSPaul Mundt select CPU_SH4A 475ea0e1a9aSPaul Mundt 476ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7780 477ea0e1a9aSPaul Mundt bool "Support SH7780 processor" 478ea0e1a9aSPaul Mundt select CPU_SH4A 479ea0e1a9aSPaul Mundt 480ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7785 481ea0e1a9aSPaul Mundt bool "Support SH7785 processor" 482ea0e1a9aSPaul Mundt select CPU_SH4A 483ea0e1a9aSPaul Mundt select CPU_SHX2 484ea0e1a9aSPaul Mundt select ARCH_SPARSEMEM_ENABLE 485ea0e1a9aSPaul Mundt select SYS_SUPPORTS_NUMA 48677bd27b2SLaurent Pinchart select PINCTRL 487ea0e1a9aSPaul Mundt 48855ba99ebSKuninori Morimotoconfig CPU_SUBTYPE_SH7786 48955ba99ebSKuninori Morimoto bool "Support SH7786 processor" 49055ba99ebSKuninori Morimoto select CPU_SH4A 49137042fbdSPaul Mundt select CPU_SHX3 4928263a67eSPaul Mundt select CPU_HAS_PTEAEX 4932eb2a436SPaul Mundt select GENERIC_CLOCKEVENTS_BROADCAST if SMP 4947b61ca5dSPaul Mundt select USB_OHCI_SH if USB_OHCI_HCD 4957b61ca5dSPaul Mundt select USB_EHCI_SH if USB_EHCI_HCD 496c0fdbff9SLaurent Pinchart select PINCTRL 49755ba99ebSKuninori Morimoto 498ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SHX3 499ea0e1a9aSPaul Mundt bool "Support SH-X3 processor" 500ea0e1a9aSPaul Mundt select CPU_SH4A 501ea0e1a9aSPaul Mundt select CPU_SHX3 5025840263eSPaul Mundt select GENERIC_CLOCKEVENTS_BROADCAST if SMP 503fdcfdfa1SLinus Walleij select GPIOLIB 5043e347f08SLaurent Pinchart select PINCTRL 505ea0e1a9aSPaul Mundt 506ea0e1a9aSPaul Mundt# SH4AL-DSP Processor Support 507ea0e1a9aSPaul Mundt 508ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7343 509ea0e1a9aSPaul Mundt bool "Support SH7343 processor" 510ea0e1a9aSPaul Mundt select CPU_SH4AL_DSP 511dc65a977SPaul Mundt select ARCH_SHMOBILE 512fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 513ea0e1a9aSPaul Mundt 514ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH7722 515ea0e1a9aSPaul Mundt bool "Support SH7722 processor" 516ea0e1a9aSPaul Mundt select CPU_SH4AL_DSP 517ea0e1a9aSPaul Mundt select CPU_SHX2 518dc65a977SPaul Mundt select ARCH_SHMOBILE 519ea0e1a9aSPaul Mundt select ARCH_SPARSEMEM_ENABLE 520ea0e1a9aSPaul Mundt select SYS_SUPPORTS_NUMA 521fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 522ef97c3c1SLaurent Pinchart select PINCTRL 523ea0e1a9aSPaul Mundt 5249109a30eSMagnus Dammconfig CPU_SUBTYPE_SH7366 5259109a30eSMagnus Damm bool "Support SH7366 processor" 5269109a30eSMagnus Damm select CPU_SH4AL_DSP 5279109a30eSMagnus Damm select CPU_SHX2 528dc65a977SPaul Mundt select ARCH_SHMOBILE 5299109a30eSMagnus Damm select ARCH_SPARSEMEM_ENABLE 5309109a30eSMagnus Damm select SYS_SUPPORTS_NUMA 531fbfa8934SMagnus Damm select SYS_SUPPORTS_SH_CMT 5329109a30eSMagnus Damm 5333cc000b5SPaul Mundtendchoice 5343cc000b5SPaul Mundt 5353cc000b5SPaul Mundtendif 5363cc000b5SPaul Mundt 5373cc000b5SPaul Mundtif SUPERH64 5383cc000b5SPaul Mundt 5393cc000b5SPaul Mundtchoice 5403cc000b5SPaul Mundt prompt "Processor sub-type selection" 5413cc000b5SPaul Mundt 542ea0e1a9aSPaul Mundt# SH-5 Processor Support 543ea0e1a9aSPaul Mundt 544ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH5_101 545ea0e1a9aSPaul Mundt bool "Support SH5-101 processor" 546ea0e1a9aSPaul Mundt select CPU_SH5 547ea0e1a9aSPaul Mundt 548ea0e1a9aSPaul Mundtconfig CPU_SUBTYPE_SH5_103 549ea0e1a9aSPaul Mundt bool "Support SH5-103 processor" 5508ef97dd7SPaul Mundt select CPU_SH5 551ea0e1a9aSPaul Mundt 552ea0e1a9aSPaul Mundtendchoice 553ea0e1a9aSPaul Mundt 5543cc000b5SPaul Mundtendif 5553cc000b5SPaul Mundt 556ea0e1a9aSPaul Mundtsource "arch/sh/mm/Kconfig" 557939a24a6SPaul Mundt 558ea0e1a9aSPaul Mundtsource "arch/sh/Kconfig.cpu" 559ea0e1a9aSPaul Mundt 560939a24a6SPaul Mundtsource "arch/sh/boards/Kconfig" 561ea0e1a9aSPaul Mundt 562ea0e1a9aSPaul Mundtmenu "Timer and clock configuration" 563ea0e1a9aSPaul Mundt 564ea0e1a9aSPaul Mundtconfig SH_PCLK_FREQ 565ea0e1a9aSPaul Mundt int "Peripheral clock frequency (in Hz)" 5668152a74bSPaul Mundt depends on SH_CLK_CPG_LEGACY 567ea0e1a9aSPaul Mundt default "31250000" if CPU_SUBTYPE_SH7619 5688152a74bSPaul Mundt default "33333333" if CPU_SUBTYPE_SH7770 || \ 5698152a74bSPaul Mundt CPU_SUBTYPE_SH7760 || \ 5708152a74bSPaul Mundt CPU_SUBTYPE_SH7705 || \ 5718152a74bSPaul Mundt CPU_SUBTYPE_SH7203 || \ 5728152a74bSPaul Mundt CPU_SUBTYPE_SH7206 || \ 5738152a74bSPaul Mundt CPU_SUBTYPE_SH7263 || \ 57443a1839cSPaul Mundt CPU_SUBTYPE_MXG 575ea0e1a9aSPaul Mundt default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R 576ea0e1a9aSPaul Mundt default "66000000" if CPU_SUBTYPE_SH4_202 577ea0e1a9aSPaul Mundt default "50000000" 578ea0e1a9aSPaul Mundt help 579ea0e1a9aSPaul Mundt This option is used to specify the peripheral clock frequency. 580ea0e1a9aSPaul Mundt This is necessary for determining the reference clock value on 581ea0e1a9aSPaul Mundt platforms lacking an RTC. 582ea0e1a9aSPaul Mundt 58336aa1e32SPaul Mundtconfig SH_CLK_CPG 58436aa1e32SPaul Mundt def_bool y 58536aa1e32SPaul Mundt 586253b0887SPaul Mundtconfig SH_CLK_CPG_LEGACY 58736aa1e32SPaul Mundt depends on SH_CLK_CPG 58843a1839cSPaul Mundt def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \ 58951ce3068SPhil Edworthy !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \ 590bcb86e0aSPaul Mundt !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \ 591bcb86e0aSPaul Mundt !CPU_SUBTYPE_SH7269 592253b0887SPaul Mundt 593ea0e1a9aSPaul Mundtendmenu 594ea0e1a9aSPaul Mundt 595ea0e1a9aSPaul Mundtmenu "CPU Frequency scaling" 596ea0e1a9aSPaul Mundtsource "drivers/cpufreq/Kconfig" 597ea0e1a9aSPaul Mundtendmenu 598ea0e1a9aSPaul Mundt 599ea0e1a9aSPaul Mundtsource "arch/sh/drivers/Kconfig" 600ea0e1a9aSPaul Mundt 601ea0e1a9aSPaul Mundtendmenu 602ea0e1a9aSPaul Mundt 603ea0e1a9aSPaul Mundtmenu "Kernel features" 604ea0e1a9aSPaul Mundt 605ea0e1a9aSPaul Mundtsource kernel/Kconfig.hz 606ea0e1a9aSPaul Mundt 607ea0e1a9aSPaul Mundtconfig KEXEC 608ea0e1a9aSPaul Mundt bool "kexec system call (EXPERIMENTAL)" 6090d57af1eSKees Cook depends on SUPERH32 && MMU 6102965faa5SDave Young select KEXEC_CORE 611ea0e1a9aSPaul Mundt help 612ea0e1a9aSPaul Mundt kexec is a system call that implements the ability to shutdown your 613ea0e1a9aSPaul Mundt current kernel, and to start another kernel. It is like a reboot 614ea0e1a9aSPaul Mundt but it is independent of the system firmware. And like a reboot 615ea0e1a9aSPaul Mundt you can start any kernel with it, not just Linux. 616ea0e1a9aSPaul Mundt 617ea0e1a9aSPaul Mundt The name comes from the similarity to the exec system call. 618ea0e1a9aSPaul Mundt 619ea0e1a9aSPaul Mundt It is an ongoing process to be certain the hardware in a machine 620ea0e1a9aSPaul Mundt is properly shutdown, so do not be surprised if this code does not 621bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 622bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 623bf220695SGeert Uytterhoeven made. 624ea0e1a9aSPaul Mundt 625ea0e1a9aSPaul Mundtconfig CRASH_DUMP 626ea0e1a9aSPaul Mundt bool "kernel crash dumps (EXPERIMENTAL)" 6270d57af1eSKees Cook depends on SUPERH32 && BROKEN_ON_SMP 628ea0e1a9aSPaul Mundt help 629ea0e1a9aSPaul Mundt Generate crash dump after being started by kexec. 630ea0e1a9aSPaul Mundt This should be normally only set in special crash dump kernels 631ea0e1a9aSPaul Mundt which are loaded in the main kernel with kexec-tools into 632ea0e1a9aSPaul Mundt a specially reserved region and then later executed after 633ea0e1a9aSPaul Mundt a crash by kdump/kexec. The crash dump kernel must be compiled 634ea0e1a9aSPaul Mundt to a memory address not used by the main kernel using 635e66ac3f2SSimon Horman PHYSICAL_START. 636ea0e1a9aSPaul Mundt 637ea0e1a9aSPaul Mundt For more details see Documentation/kdump/kdump.txt 638ea0e1a9aSPaul Mundt 639b7cf6ddcSMagnus Dammconfig KEXEC_JUMP 640b7cf6ddcSMagnus Damm bool "kexec jump (EXPERIMENTAL)" 6410d57af1eSKees Cook depends on SUPERH32 && KEXEC && HIBERNATION 642b7cf6ddcSMagnus Damm help 643b7cf6ddcSMagnus Damm Jump between original kernel and kexeced kernel and invoke 644b7cf6ddcSMagnus Damm code via KEXEC 645b7cf6ddcSMagnus Damm 646e66ac3f2SSimon Hormanconfig PHYSICAL_START 647e66ac3f2SSimon Horman hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP) 648e66ac3f2SSimon Horman default MEMORY_START 649e66ac3f2SSimon Horman ---help--- 650e66ac3f2SSimon Horman This gives the physical address where the kernel is loaded 651e66ac3f2SSimon Horman and is ordinarily the same as MEMORY_START. 652e66ac3f2SSimon Horman 653e66ac3f2SSimon Horman Different values are primarily used in the case of kexec on panic 654e66ac3f2SSimon Horman where the fail safe kernel needs to run at a different address 655e66ac3f2SSimon Horman than the panic-ed kernel. 656e66ac3f2SSimon Horman 657c4637d47SPaul Mundtconfig SECCOMP 658c4637d47SPaul Mundt bool "Enable seccomp to safely compute untrusted bytecode" 659c4637d47SPaul Mundt depends on PROC_FS 660c4637d47SPaul Mundt help 661c4637d47SPaul Mundt This kernel feature is useful for number crunching applications 662c4637d47SPaul Mundt that may need to compute untrusted bytecode during their 663c4637d47SPaul Mundt execution. By using pipes or other transports made available to 664c4637d47SPaul Mundt the process as file descriptors supporting the read/write 665c4637d47SPaul Mundt syscalls, it's possible to isolate those applications in 666c4637d47SPaul Mundt their own address space using seccomp. Once seccomp is 667c4637d47SPaul Mundt enabled via prctl, it cannot be disabled and the task is only 668c4637d47SPaul Mundt allowed to execute a few safe syscalls defined by each seccomp 669c4637d47SPaul Mundt mode. 670c4637d47SPaul Mundt 671c4637d47SPaul Mundt If unsure, say N. 672c4637d47SPaul Mundt 673ea0e1a9aSPaul Mundtconfig SMP 674ea0e1a9aSPaul Mundt bool "Symmetric multi-processing support" 675ea0e1a9aSPaul Mundt depends on SYS_SUPPORTS_SMP 676ea0e1a9aSPaul Mundt ---help--- 677ea0e1a9aSPaul Mundt This enables support for systems with more than one CPU. If you have 6784a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 6794a474157SRobert Graffham than one CPU, say Y. 680ea0e1a9aSPaul Mundt 6814a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 682ea0e1a9aSPaul Mundt machines, but will use only one CPU of a multiprocessor machine. If 683ea0e1a9aSPaul Mundt you say Y here, the kernel will run on many, but not all, 6844a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 685ea0e1a9aSPaul Mundt will run faster if you say N here. 686ea0e1a9aSPaul Mundt 687ea0e1a9aSPaul Mundt People using multiprocessor machines who say Y here should also say 688ea0e1a9aSPaul Mundt Y to "Enhanced Real Time Clock Support", below. 689ea0e1a9aSPaul Mundt 69003502faaSAdrian Bunk See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 69103502faaSAdrian Bunk available at <http://www.tldp.org/docs.html#howto>. 692ea0e1a9aSPaul Mundt 693ea0e1a9aSPaul Mundt If you don't know what to do here, say N. 694ea0e1a9aSPaul Mundt 695ea0e1a9aSPaul Mundtconfig NR_CPUS 696ea0e1a9aSPaul Mundt int "Maximum number of CPUs (2-32)" 697ea0e1a9aSPaul Mundt range 2 32 698ea0e1a9aSPaul Mundt depends on SMP 6992eb2a436SPaul Mundt default "4" if CPU_SUBTYPE_SHX3 700ea0e1a9aSPaul Mundt default "2" 701ea0e1a9aSPaul Mundt help 702ea0e1a9aSPaul Mundt This allows you to specify the maximum number of CPUs which this 703ea0e1a9aSPaul Mundt kernel will support. The maximum supported value is 32 and the 704ea0e1a9aSPaul Mundt minimum value which makes sense is 2. 705ea0e1a9aSPaul Mundt 706ea0e1a9aSPaul Mundt This is purely to save memory - each supported CPU adds 707ea0e1a9aSPaul Mundt approximately eight kilobytes to the kernel image. 708ea0e1a9aSPaul Mundt 709763142d1SPaul Mundtconfig HOTPLUG_CPU 710763142d1SPaul Mundt bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" 71140b31360SStephen Rothwell depends on SMP 712763142d1SPaul Mundt help 713763142d1SPaul Mundt Say Y here to experiment with turning CPUs off and on. CPUs 714763142d1SPaul Mundt can be controlled through /sys/devices/system/cpu. 715763142d1SPaul Mundt 716ea0e1a9aSPaul Mundtsource "kernel/Kconfig.preempt" 717ea0e1a9aSPaul Mundt 718ea0e1a9aSPaul Mundtconfig GUSA 719ea0e1a9aSPaul Mundt def_bool y 7201efe4ce3SStuart Menefy depends on !SMP && SUPERH32 721ea0e1a9aSPaul Mundt help 722ea0e1a9aSPaul Mundt This enables support for gUSA (general UserSpace Atomicity). 723ea0e1a9aSPaul Mundt This is the default implementation for both UP and non-ll/sc 724ea0e1a9aSPaul Mundt CPUs, and is used by the libc, amongst others. 725ea0e1a9aSPaul Mundt 726ea0e1a9aSPaul Mundt For additional information, design information can be found 727ea0e1a9aSPaul Mundt in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. 728ea0e1a9aSPaul Mundt 729ea0e1a9aSPaul Mundt This should only be disabled for special cases where alternate 730ea0e1a9aSPaul Mundt atomicity implementations exist. 731ea0e1a9aSPaul Mundt 7321efe4ce3SStuart Menefyconfig GUSA_RB 7331efe4ce3SStuart Menefy bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" 7341efe4ce3SStuart Menefy depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) 7351efe4ce3SStuart Menefy help 7361efe4ce3SStuart Menefy Enabling this option will allow the kernel to implement some 737692105b8SMatt LaPlante atomic operations using a software implementation of load-locked/ 7381efe4ce3SStuart Menefy store-conditional (LLSC). On machines which do not have hardware 7391efe4ce3SStuart Menefy LLSC, this should be more efficient than the other alternative of 740692105b8SMatt LaPlante disabling interrupts around the atomic sequence. 7411efe4ce3SStuart Menefy 74286c8c047SMatt Flemingconfig HW_PERF_EVENTS 74386c8c047SMatt Fleming bool "Enable hardware performance counter support for perf events" 74486c8c047SMatt Fleming depends on PERF_EVENTS && CPU_HAS_PMU 74586c8c047SMatt Fleming default y 74686c8c047SMatt Fleming help 74786c8c047SMatt Fleming Enable hardware performance counter support for perf events. If 74886c8c047SMatt Fleming disabled, perf events will use software events only. 74986c8c047SMatt Fleming 75043b8774dSPaul Mundtsource "drivers/sh/Kconfig" 75143b8774dSPaul Mundt 752ea0e1a9aSPaul Mundtendmenu 753ea0e1a9aSPaul Mundt 754ea0e1a9aSPaul Mundtmenu "Boot options" 755ea0e1a9aSPaul Mundt 756190fe191SRich Felkerconfig USE_BUILTIN_DTB 757190fe191SRich Felker bool "Use builtin DTB" 758190fe191SRich Felker default n 759190fe191SRich Felker depends on SH_DEVICE_TREE 760190fe191SRich Felker help 761190fe191SRich Felker Link a device tree blob for particular hardware into the kernel, 762190fe191SRich Felker suppressing use of the DTB pointer provided by the bootloader. 763190fe191SRich Felker This option should only be used with legacy bootloaders that are 764190fe191SRich Felker not capable of providing a DTB to the kernel, or for experimental 765190fe191SRich Felker hardware without stable device tree bindings. 766190fe191SRich Felker 767190fe191SRich Felkerconfig BUILTIN_DTB_SOURCE 768190fe191SRich Felker string "Source file for builtin DTB" 769190fe191SRich Felker default "" 770190fe191SRich Felker depends on USE_BUILTIN_DTB 771190fe191SRich Felker help 772190fe191SRich Felker Base name (without suffix, relative to arch/sh/boot/dts) for the 773190fe191SRich Felker a DTS file that will be used to produce the DTB linked into the 774190fe191SRich Felker kernel. 775190fe191SRich Felker 776ea0e1a9aSPaul Mundtconfig ZERO_PAGE_OFFSET 777b412a49aSPaul Mundt hex 778b412a49aSPaul Mundt default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ 779b412a49aSPaul Mundt SH_7751_SOLUTION_ENGINE 780b412a49aSPaul Mundt default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 781ea0e1a9aSPaul Mundt default "0x00002000" if PAGE_SIZE_8KB 782ea0e1a9aSPaul Mundt default "0x00001000" 783ea0e1a9aSPaul Mundt help 784ea0e1a9aSPaul Mundt This sets the default offset of zero page. 785ea0e1a9aSPaul Mundt 786ea0e1a9aSPaul Mundtconfig BOOT_LINK_OFFSET 787b412a49aSPaul Mundt hex 788b412a49aSPaul Mundt default "0x00210000" if SH_SHMIN 789a2e76c80SPaul Mundt default "0x00400000" if SH_CAYMAN 790b412a49aSPaul Mundt default "0x00810000" if SH_7780_SOLUTION_ENGINE 791b412a49aSPaul Mundt default "0x009e0000" if SH_TITAN 792b412a49aSPaul Mundt default "0x01800000" if SH_SDK7780 793b412a49aSPaul Mundt default "0x02000000" if SH_EDOSK7760 794ea0e1a9aSPaul Mundt default "0x00800000" 795ea0e1a9aSPaul Mundt help 796ea0e1a9aSPaul Mundt This option allows you to set the link address offset of the zImage. 797ea0e1a9aSPaul Mundt This can be useful if you are on a board which has a small amount of 798ea0e1a9aSPaul Mundt memory. 799ea0e1a9aSPaul Mundt 800b412a49aSPaul Mundtconfig ENTRY_OFFSET 801b412a49aSPaul Mundt hex 802b412a49aSPaul Mundt default "0x00001000" if PAGE_SIZE_4KB 803b412a49aSPaul Mundt default "0x00002000" if PAGE_SIZE_8KB 804b412a49aSPaul Mundt default "0x00004000" if PAGE_SIZE_16KB 805b412a49aSPaul Mundt default "0x00010000" if PAGE_SIZE_64KB 806b412a49aSPaul Mundt default "0x00000000" 807b412a49aSPaul Mundt 8084705b2e8SMagnus Dammconfig ROMIMAGE_MMCIF 8094705b2e8SMagnus Damm bool "Include MMCIF loader in romImage (EXPERIMENTAL)" 8100d57af1eSKees Cook depends on CPU_SUBTYPE_SH7724 8114705b2e8SMagnus Damm help 8124705b2e8SMagnus Damm Say Y here to include experimental MMCIF loading code in 8134705b2e8SMagnus Damm romImage. With this enabled it is possible to write the romImage 8144705b2e8SMagnus Damm kernel image to an MMC card and boot the kernel straight from 8154705b2e8SMagnus Damm the reset vector. At reset the processor Mask ROM will load the 8164705b2e8SMagnus Damm first part of the romImage which in turn loads the rest the kernel 8174705b2e8SMagnus Damm image to RAM using the MMCIF hardware block. 8184705b2e8SMagnus Damm 819d724a9c9SPawel Mollchoice 820d724a9c9SPawel Moll prompt "Kernel command line" 821d724a9c9SPawel Moll optional 822d724a9c9SPawel Moll default CMDLINE_OVERWRITE 823d724a9c9SPawel Moll help 824d724a9c9SPawel Moll Setting this option allows the kernel command line arguments 825d724a9c9SPawel Moll to be set. 826d724a9c9SPawel Moll 827d724a9c9SPawel Mollconfig CMDLINE_OVERWRITE 828d724a9c9SPawel Moll bool "Overwrite bootloader kernel arguments" 829d724a9c9SPawel Moll help 830d724a9c9SPawel Moll Given string will overwrite any arguments passed in by 831d724a9c9SPawel Moll a bootloader. 832d724a9c9SPawel Moll 833d724a9c9SPawel Mollconfig CMDLINE_EXTEND 834d724a9c9SPawel Moll bool "Extend bootloader kernel arguments" 835d724a9c9SPawel Moll help 836d724a9c9SPawel Moll Given string will be concatenated with arguments passed in 837d724a9c9SPawel Moll by a bootloader. 838d724a9c9SPawel Moll 839d724a9c9SPawel Mollendchoice 840ea0e1a9aSPaul Mundt 841ea0e1a9aSPaul Mundtconfig CMDLINE 842d724a9c9SPawel Moll string "Kernel command line arguments string" 843d724a9c9SPawel Moll depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND 844ea0e1a9aSPaul Mundt default "console=ttySC1,115200" 845ea0e1a9aSPaul Mundt 846ea0e1a9aSPaul Mundtendmenu 847ea0e1a9aSPaul Mundt 848ea0e1a9aSPaul Mundtmenu "Bus options" 849ea0e1a9aSPaul Mundt 850ea0e1a9aSPaul Mundtconfig SUPERHYWAY 851ea0e1a9aSPaul Mundt tristate "SuperHyway Bus support" 852ea0e1a9aSPaul Mundt depends on CPU_SUBTYPE_SH4_202 853ea0e1a9aSPaul Mundt 854ea0e1a9aSPaul Mundtconfig MAPLE 855ea0e1a9aSPaul Mundt bool "Maple Bus support" 856ea0e1a9aSPaul Mundt depends on SH_DREAMCAST 857ea0e1a9aSPaul Mundt help 858ea0e1a9aSPaul Mundt The Maple Bus is SEGA's serial communication bus for peripherals 859ea0e1a9aSPaul Mundt on the Dreamcast. Without this bus support you won't be able to 860ea0e1a9aSPaul Mundt get your Dreamcast keyboard etc to work, so most users 861ea0e1a9aSPaul Mundt probably want to say 'Y' here, unless you are only using the 862ea0e1a9aSPaul Mundt Dreamcast with a serial line terminal or a remote network 863ea0e1a9aSPaul Mundt connection. 864ea0e1a9aSPaul Mundt 8657693465dSPaul Mundtconfig PCI 8667693465dSPaul Mundt bool "PCI support" 8677693465dSPaul Mundt depends on SYS_SUPPORTS_PCI 868320e68daSPaul Mundt select PCI_DOMAINS 86943db595eSMichael S. Tsirkin select GENERIC_PCI_IOMAP 8701e05b62aSMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 8717693465dSPaul Mundt help 8727693465dSPaul Mundt Find out whether you have a PCI motherboard. PCI is the name of a 8737693465dSPaul Mundt bus system, i.e. the way the CPU talks to the other stuff inside 8747693465dSPaul Mundt your box. If you have PCI, say Y, otherwise N. 875ea0e1a9aSPaul Mundt 876320e68daSPaul Mundtconfig PCI_DOMAINS 877320e68daSPaul Mundt bool 878320e68daSPaul Mundt 879ea0e1a9aSPaul Mundtsource "drivers/pci/Kconfig" 880ea0e1a9aSPaul Mundt 881ea0e1a9aSPaul Mundtsource "drivers/pcmcia/Kconfig" 882ea0e1a9aSPaul Mundt 883ea0e1a9aSPaul Mundtendmenu 884ea0e1a9aSPaul Mundt 885ea0e1a9aSPaul Mundtmenu "Executable file formats" 886ea0e1a9aSPaul Mundt 887ea0e1a9aSPaul Mundtsource "fs/Kconfig.binfmt" 888ea0e1a9aSPaul Mundt 889ea0e1a9aSPaul Mundtendmenu 890ea0e1a9aSPaul Mundt 891ea0e1a9aSPaul Mundtmenu "Power management options (EXPERIMENTAL)" 892f4cb5700SJohannes Berg 893c6f17cb2SMagnus Dammsource "kernel/power/Kconfig" 894c6f17cb2SMagnus Damm 895c6f17cb2SMagnus Dammsource "drivers/cpuidle/Kconfig" 896ea0e1a9aSPaul Mundt 897ea0e1a9aSPaul Mundtendmenu 898ea0e1a9aSPaul Mundt 899ea0e1a9aSPaul Mundtsource "net/Kconfig" 900ea0e1a9aSPaul Mundt 901ea0e1a9aSPaul Mundtsource "drivers/Kconfig" 902ea0e1a9aSPaul Mundt 903ea0e1a9aSPaul Mundtsource "fs/Kconfig" 904ea0e1a9aSPaul Mundt 905ea0e1a9aSPaul Mundtsource "arch/sh/Kconfig.debug" 906ea0e1a9aSPaul Mundt 907ea0e1a9aSPaul Mundtsource "security/Kconfig" 908ea0e1a9aSPaul Mundt 909ea0e1a9aSPaul Mundtsource "crypto/Kconfig" 910ea0e1a9aSPaul Mundt 911ea0e1a9aSPaul Mundtsource "lib/Kconfig" 912