1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2c32e64e8SGuo Renconfig CSKY 3c32e64e8SGuo Ren def_bool y 4942fa985SYury Norov select ARCH_32BIT_OFF_T 513bf5cedSChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 6de863678SMa Jun select ARCH_HAS_GCOV_PROFILE_ALL 7c32e64e8SGuo Ren select ARCH_HAS_SYNC_DMA_FOR_CPU 8c32e64e8SGuo Ren select ARCH_HAS_SYNC_DMA_FOR_DEVICE 9c32e64e8SGuo Ren select ARCH_USE_BUILTIN_BSWAP 108e35ac73SGuo Ren select ARCH_USE_QUEUED_RWLOCKS 1118c07d23SGuo Ren select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 12953131e5SGuo Ren select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT 13c32e64e8SGuo Ren select COMMON_CLK 14c32e64e8SGuo Ren select CLKSRC_MMIO 151994cc49SGuo Ren select CSKY_MPINTC if CPU_CK860 161994cc49SGuo Ren select CSKY_MP_TIMER if CPU_CK860 171994cc49SGuo Ren select CSKY_APB_INTC 18f04b951fSChristoph Hellwig select DMA_DIRECT_REMAP 19c32e64e8SGuo Ren select IRQ_DOMAIN 20c32e64e8SGuo Ren select HANDLE_DOMAIN_IRQ 21c32e64e8SGuo Ren select DW_APB_TIMER_OF 220055f67bSChristoph Hellwig select GENERIC_IOREMAP 23c32e64e8SGuo Ren select GENERIC_LIB_ASHLDI3 24c32e64e8SGuo Ren select GENERIC_LIB_ASHRDI3 25c32e64e8SGuo Ren select GENERIC_LIB_LSHRDI3 26c32e64e8SGuo Ren select GENERIC_LIB_MULDI3 27c32e64e8SGuo Ren select GENERIC_LIB_CMPDI2 28c32e64e8SGuo Ren select GENERIC_LIB_UCMPDI2 29c32e64e8SGuo Ren select GENERIC_ALLOCATOR 30c32e64e8SGuo Ren select GENERIC_ATOMIC64 31c32e64e8SGuo Ren select GENERIC_CPU_DEVICES 32c32e64e8SGuo Ren select GENERIC_IRQ_CHIP 33c32e64e8SGuo Ren select GENERIC_IRQ_PROBE 34c32e64e8SGuo Ren select GENERIC_IRQ_SHOW 35c32e64e8SGuo Ren select GENERIC_IRQ_MULTI_HANDLER 36c32e64e8SGuo Ren select GENERIC_SCHED_CLOCK 37c32e64e8SGuo Ren select GENERIC_SMP_IDLE_THREAD 380d3b051aSGuo Ren select GENERIC_TIME_VSYSCALL 390d3b051aSGuo Ren select GENERIC_VDSO_32 400d3b051aSGuo Ren select GENERIC_GETTIMEOFDAY 411994cc49SGuo Ren select GX6605S_TIMER if CPU_CK610 42c32e64e8SGuo Ren select HAVE_ARCH_TRACEHOOK 432f7932b0SGuo Ren select HAVE_ARCH_AUDITSYSCALL 44953131e5SGuo Ren select HAVE_ARCH_MMAP_RND_BITS 45e95a4f8cSGuo Ren select HAVE_ARCH_SECCOMP_FILTER 46bdcd93efSGuo Ren select HAVE_CONTEXT_TRACKING 47bdcd93efSGuo Ren select HAVE_VIRT_CPU_ACCOUNTING_GEN 4818c07d23SGuo Ren select HAVE_DEBUG_BUGVERBOSE 49c109f424SGuo Ren select HAVE_DEBUG_KMEMLEAK 5028bb030fSGuo Ren select HAVE_DYNAMIC_FTRACE 5189a3927aSGuo Ren select HAVE_DYNAMIC_FTRACE_WITH_REGS 520d3b051aSGuo Ren select HAVE_GENERIC_VDSO 53230c77a5SGuo Ren select HAVE_FUNCTION_TRACER 54d7950be1SGuo Ren select HAVE_FUNCTION_GRAPH_TRACER 5571e193d7SGuo Ren select HAVE_FUNCTION_ERROR_INJECTION 56d6c5cb9fSGuo Ren select HAVE_FUTEX_CMPXCHG if FUTEX && SMP 5728bb030fSGuo Ren select HAVE_FTRACE_MCOUNT_RECORD 58c32e64e8SGuo Ren select HAVE_KERNEL_GZIP 59c32e64e8SGuo Ren select HAVE_KERNEL_LZO 60c32e64e8SGuo Ren select HAVE_KERNEL_LZMA 6133e53ae1SGuo Ren select HAVE_KPROBES if !CPU_CK610 6233e53ae1SGuo Ren select HAVE_KPROBES_ON_FTRACE if !CPU_CK610 6333e53ae1SGuo Ren select HAVE_KRETPROBES if !CPU_CK610 64f50fd2d8SGuo Ren select HAVE_PERF_EVENTS 65daac95e7SMao Han select HAVE_PERF_REGS 66daac95e7SMao Han select HAVE_PERF_USER_STACK_DUMP 67c32e64e8SGuo Ren select HAVE_DMA_CONTIGUOUS 68bfe47f35SGuo Ren select HAVE_REGS_AND_STACK_ACCESS_API 699866d141SGuo Ren select HAVE_RSEQ 702f78c73fSMao Han select HAVE_STACKPROTECTOR 712f7932b0SGuo Ren select HAVE_SYSCALL_TRACEPOINTS 72c32e64e8SGuo Ren select MAY_HAVE_SPARSE_IRQ 73c32e64e8SGuo Ren select MODULES_USE_ELF_RELA if MODULES 74c32e64e8SGuo Ren select OF 75c32e64e8SGuo Ren select OF_EARLY_FLATTREE 76f50fd2d8SGuo Ren select PERF_USE_VMALLOC if CPU_CK610 77c32e64e8SGuo Ren select RTC_LIB 78c32e64e8SGuo Ren select TIMER_OF 795b49c82dSMaJun select GENERIC_PCI_IOMAP 805b49c82dSMaJun select HAVE_PCI 815b49c82dSMaJun select PCI_DOMAINS_GENERIC if PCI 825b49c82dSMaJun select PCI_SYSCALL if PCI 835b49c82dSMaJun select PCI_MSI if PCI 845e6e9852SChristoph Hellwig select SET_FS 85*4aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 86c32e64e8SGuo Ren 87000591f1SGuo Renconfig LOCKDEP_SUPPORT 88000591f1SGuo Ren def_bool y 89000591f1SGuo Ren 908f6bb793SGuo Renconfig ARCH_SUPPORTS_UPROBES 918f6bb793SGuo Ren def_bool y if !CPU_CK610 928f6bb793SGuo Ren 93c32e64e8SGuo Renconfig CPU_HAS_CACHEV2 94c32e64e8SGuo Ren bool 95c32e64e8SGuo Ren 96c32e64e8SGuo Renconfig CPU_HAS_FPUV2 97c32e64e8SGuo Ren bool 98c32e64e8SGuo Ren 99c32e64e8SGuo Renconfig CPU_HAS_HILO 100c32e64e8SGuo Ren bool 101c32e64e8SGuo Ren 102c32e64e8SGuo Renconfig CPU_HAS_TLBI 103c32e64e8SGuo Ren bool 104c32e64e8SGuo Ren 105c32e64e8SGuo Renconfig CPU_HAS_LDSTEX 106c32e64e8SGuo Ren bool 107c32e64e8SGuo Ren help 108bebd26abSRandy Dunlap For SMP, CPU needs "ldex&stex" instructions for atomic operations. 109c32e64e8SGuo Ren 110c32e64e8SGuo Renconfig CPU_NEED_TLBSYNC 111c32e64e8SGuo Ren bool 112c32e64e8SGuo Ren 113c32e64e8SGuo Renconfig CPU_NEED_SOFTALIGN 114c32e64e8SGuo Ren bool 115c32e64e8SGuo Ren 116c32e64e8SGuo Renconfig CPU_NO_USER_BKPT 117c32e64e8SGuo Ren bool 118c32e64e8SGuo Ren help 119c32e64e8SGuo Ren For abiv2 we couldn't use "trap 1" as user space bkpt in gdbserver, because 120c32e64e8SGuo Ren abiv2 is 16/32bit instruction set and "trap 1" is 32bit. 121c32e64e8SGuo Ren So we need a 16bit instruction as user space bkpt, and it will cause an illegal 122c32e64e8SGuo Ren instruction exception. 123c32e64e8SGuo Ren In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not. 124c32e64e8SGuo Ren 125c32e64e8SGuo Renconfig GENERIC_CALIBRATE_DELAY 126c32e64e8SGuo Ren def_bool y 127c32e64e8SGuo Ren 128c32e64e8SGuo Renconfig GENERIC_CSUM 129c32e64e8SGuo Ren def_bool y 130c32e64e8SGuo Ren 131c32e64e8SGuo Renconfig GENERIC_HWEIGHT 132c32e64e8SGuo Ren def_bool y 133c32e64e8SGuo Ren 134c32e64e8SGuo Renconfig MMU 135c32e64e8SGuo Ren def_bool y 136c32e64e8SGuo Ren 1370ea2dc7cSGuo Renconfig STACKTRACE_SUPPORT 1380ea2dc7cSGuo Ren def_bool y 1390ea2dc7cSGuo Ren 140c32e64e8SGuo Renconfig TIME_LOW_RES 141c32e64e8SGuo Ren def_bool y 142c32e64e8SGuo Ren 143c32e64e8SGuo Renconfig CPU_TLB_SIZE 144c32e64e8SGuo Ren int 145c32e64e8SGuo Ren default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810) 146c32e64e8SGuo Ren default "1024" if (CPU_CK860) 147c32e64e8SGuo Ren 148c32e64e8SGuo Renconfig CPU_ASID_BITS 149c32e64e8SGuo Ren int 150c32e64e8SGuo Ren default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810) 151c32e64e8SGuo Ren default "12" if (CPU_CK860) 152c32e64e8SGuo Ren 153c32e64e8SGuo Renconfig L1_CACHE_SHIFT 154c32e64e8SGuo Ren int 155c32e64e8SGuo Ren default "4" if (CPU_CK610) 156c32e64e8SGuo Ren default "5" if (CPU_CK807 || CPU_CK810) 157c32e64e8SGuo Ren default "6" if (CPU_CK860) 158c32e64e8SGuo Ren 159953131e5SGuo Renconfig ARCH_MMAP_RND_BITS_MIN 160953131e5SGuo Ren default 8 161953131e5SGuo Ren 162953131e5SGuo Ren# max bits determined by the following formula: 163953131e5SGuo Ren# VA_BITS - PAGE_SHIFT - 3 164953131e5SGuo Renconfig ARCH_MMAP_RND_BITS_MAX 165953131e5SGuo Ren default 17 166953131e5SGuo Ren 167c32e64e8SGuo Renmenu "Processor type and features" 168c32e64e8SGuo Ren 169c32e64e8SGuo Renchoice 170c32e64e8SGuo Ren prompt "CPU MODEL" 171c32e64e8SGuo Ren default CPU_CK807 172c32e64e8SGuo Ren 173c32e64e8SGuo Renconfig CPU_CK610 174c32e64e8SGuo Ren bool "CSKY CPU ck610" 175c32e64e8SGuo Ren select CPU_NEED_TLBSYNC 176c32e64e8SGuo Ren select CPU_NEED_SOFTALIGN 177c32e64e8SGuo Ren select CPU_NO_USER_BKPT 178c32e64e8SGuo Ren 179c32e64e8SGuo Renconfig CPU_CK810 180c32e64e8SGuo Ren bool "CSKY CPU ck810" 181c32e64e8SGuo Ren select CPU_HAS_HILO 182c32e64e8SGuo Ren select CPU_NEED_TLBSYNC 183c32e64e8SGuo Ren 184c32e64e8SGuo Renconfig CPU_CK807 185c32e64e8SGuo Ren bool "CSKY CPU ck807" 186c32e64e8SGuo Ren select CPU_HAS_HILO 187c32e64e8SGuo Ren 188c32e64e8SGuo Renconfig CPU_CK860 189c32e64e8SGuo Ren bool "CSKY CPU ck860" 190c32e64e8SGuo Ren select CPU_HAS_TLBI 191c32e64e8SGuo Ren select CPU_HAS_CACHEV2 192c32e64e8SGuo Ren select CPU_HAS_LDSTEX 193c32e64e8SGuo Ren select CPU_HAS_FPUV2 194c32e64e8SGuo Renendchoice 195c32e64e8SGuo Ren 196c32e64e8SGuo Renchoice 1970c8a32eeSGuo Ren prompt "PAGE OFFSET" 1980c8a32eeSGuo Ren default PAGE_OFFSET_80000000 1990c8a32eeSGuo Ren 2000c8a32eeSGuo Renconfig PAGE_OFFSET_80000000 2010c8a32eeSGuo Ren bool "PAGE OFFSET 2G (user:kernel = 2:2)" 2020c8a32eeSGuo Ren 2030c8a32eeSGuo Renconfig PAGE_OFFSET_A0000000 2040c8a32eeSGuo Ren bool "PAGE OFFSET 2.5G (user:kernel = 2.5:1.5)" 2050c8a32eeSGuo Renendchoice 2060c8a32eeSGuo Ren 2070c8a32eeSGuo Renconfig PAGE_OFFSET 2080c8a32eeSGuo Ren hex 2090c8a32eeSGuo Ren default 0x80000000 if PAGE_OFFSET_80000000 2100c8a32eeSGuo Ren default 0xa0000000 if PAGE_OFFSET_A0000000 2110c8a32eeSGuo Renchoice 2120c8a32eeSGuo Ren 213f50fd2d8SGuo Ren prompt "C-SKY PMU type" 214f50fd2d8SGuo Ren depends on PERF_EVENTS 215f50fd2d8SGuo Ren depends on CPU_CK807 || CPU_CK810 || CPU_CK860 216f50fd2d8SGuo Ren 217f50fd2d8SGuo Renconfig CPU_PMU_NONE 218f50fd2d8SGuo Ren bool "None" 219f50fd2d8SGuo Ren 220f50fd2d8SGuo Renconfig CSKY_PMU_V1 221f50fd2d8SGuo Ren bool "Performance Monitoring Unit Ver.1" 222f50fd2d8SGuo Ren 223f50fd2d8SGuo Renendchoice 224f50fd2d8SGuo Ren 225f50fd2d8SGuo Renchoice 226c32e64e8SGuo Ren prompt "Power Manager Instruction (wait/doze/stop)" 227c32e64e8SGuo Ren default CPU_PM_NONE 228c32e64e8SGuo Ren 229c32e64e8SGuo Renconfig CPU_PM_NONE 230c32e64e8SGuo Ren bool "None" 231c32e64e8SGuo Ren 232c32e64e8SGuo Renconfig CPU_PM_WAIT 233c32e64e8SGuo Ren bool "wait" 234c32e64e8SGuo Ren 235c32e64e8SGuo Renconfig CPU_PM_DOZE 236c32e64e8SGuo Ren bool "doze" 237c32e64e8SGuo Ren 238c32e64e8SGuo Renconfig CPU_PM_STOP 239c32e64e8SGuo Ren bool "stop" 240c32e64e8SGuo Renendchoice 241c32e64e8SGuo Ren 242f525bb2cSGuo Renmenuconfig HAVE_TCM 243f525bb2cSGuo Ren bool "Tightly-Coupled/Sram Memory" 244f525bb2cSGuo Ren help 245f525bb2cSGuo Ren The implementation are not only used by TCM (Tightly-Coupled Meory) 246f525bb2cSGuo Ren but also used by sram on SOC bus. It follow existed linux tcm 247f525bb2cSGuo Ren software interface, so that old tcm application codes could be 248f525bb2cSGuo Ren re-used directly. 249f525bb2cSGuo Ren 250f525bb2cSGuo Renif HAVE_TCM 251f525bb2cSGuo Renconfig ITCM_RAM_BASE 252f525bb2cSGuo Ren hex "ITCM ram base" 253f525bb2cSGuo Ren default 0xffffffff 254f525bb2cSGuo Ren 255f525bb2cSGuo Renconfig ITCM_NR_PAGES 256f525bb2cSGuo Ren int "Page count of ITCM size: NR*4KB" 257f525bb2cSGuo Ren range 1 256 258f525bb2cSGuo Ren default 32 259f525bb2cSGuo Ren 260f525bb2cSGuo Renconfig HAVE_DTCM 261f525bb2cSGuo Ren bool "DTCM Support" 262f525bb2cSGuo Ren 263f525bb2cSGuo Renconfig DTCM_RAM_BASE 264f525bb2cSGuo Ren hex "DTCM ram base" 265f525bb2cSGuo Ren depends on HAVE_DTCM 266f525bb2cSGuo Ren default 0xffffffff 267f525bb2cSGuo Ren 268f525bb2cSGuo Renconfig DTCM_NR_PAGES 269f525bb2cSGuo Ren int "Page count of DTCM size: NR*4KB" 270f525bb2cSGuo Ren depends on HAVE_DTCM 271f525bb2cSGuo Ren range 1 256 272f525bb2cSGuo Ren default 32 273f525bb2cSGuo Renendif 274f525bb2cSGuo Ren 275c32e64e8SGuo Renconfig CPU_HAS_VDSP 276c32e64e8SGuo Ren bool "CPU has VDSP coprocessor" 277c32e64e8SGuo Ren depends on CPU_HAS_FPU && CPU_HAS_FPUV2 278c32e64e8SGuo Ren 279c32e64e8SGuo Renconfig CPU_HAS_FPU 280c32e64e8SGuo Ren bool "CPU has FPU coprocessor" 281c32e64e8SGuo Ren depends on CPU_CK807 || CPU_CK810 || CPU_CK860 282c32e64e8SGuo Ren 283761b4f69SGuo Renconfig CPU_HAS_ICACHE_INS 284761b4f69SGuo Ren bool "CPU has Icache invalidate instructions" 285761b4f69SGuo Ren depends on CPU_HAS_CACHEV2 286761b4f69SGuo Ren 287c32e64e8SGuo Renconfig CPU_HAS_TEE 288c32e64e8SGuo Ren bool "CPU has Trusted Execution Environment" 289c32e64e8SGuo Ren depends on CPU_CK810 290c32e64e8SGuo Ren 291c32e64e8SGuo Renconfig SMP 292c32e64e8SGuo Ren bool "Symmetric Multi-Processing (SMP) support for C-SKY" 293c32e64e8SGuo Ren depends on CPU_CK860 294c32e64e8SGuo Ren default n 295c32e64e8SGuo Ren 296c32e64e8SGuo Renconfig NR_CPUS 297c32e64e8SGuo Ren int "Maximum number of CPUs (2-32)" 298c32e64e8SGuo Ren range 2 32 299c32e64e8SGuo Ren depends on SMP 30050d23a1cSGuo Ren default "4" 301c32e64e8SGuo Ren 302c32e64e8SGuo Renconfig HIGHMEM 303c32e64e8SGuo Ren bool "High Memory Support" 304c32e64e8SGuo Ren depends on !CPU_CK610 3055af627a0SThomas Gleixner select KMAP_LOCAL 306c32e64e8SGuo Ren default y 307c32e64e8SGuo Ren 308c32e64e8SGuo Renconfig FORCE_MAX_ZONEORDER 309c32e64e8SGuo Ren int "Maximum zone order" 310c32e64e8SGuo Ren default "11" 311c32e64e8SGuo Ren 312d1991616SRandy Dunlapconfig DRAM_BASE 313c32e64e8SGuo Ren hex "DRAM start addr (the same with memory-section in dts)" 314c32e64e8SGuo Ren default 0x0 315c32e64e8SGuo Ren 316859e5f45SGuo Renconfig HOTPLUG_CPU 317859e5f45SGuo Ren bool "Support for hot-pluggable CPUs" 318859e5f45SGuo Ren select GENERIC_IRQ_MIGRATION 319859e5f45SGuo Ren depends on SMP 320859e5f45SGuo Ren help 321859e5f45SGuo Ren Say Y here to allow turning CPUs off and on. CPUs can be 322859e5f45SGuo Ren controlled through /sys/devices/system/cpu/cpu1/hotplug/target. 323859e5f45SGuo Ren 324859e5f45SGuo Ren Say N if you want to disable CPU hotplug. 325c32e64e8SGuo Renendmenu 326c32e64e8SGuo Ren 327a736fa1eSGuo Rensource "arch/csky/Kconfig.platforms" 328a736fa1eSGuo Ren 329c32e64e8SGuo Rensource "kernel/Kconfig.hz" 330