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 6c32e64e8SGuo Ren select ARCH_HAS_SYNC_DMA_FOR_CPU 7c32e64e8SGuo Ren select ARCH_HAS_SYNC_DMA_FOR_DEVICE 8c32e64e8SGuo Ren select ARCH_USE_BUILTIN_BSWAP 9c32e64e8SGuo Ren select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2 10c32e64e8SGuo Ren select COMMON_CLK 11c32e64e8SGuo Ren select CLKSRC_MMIO 12c32e64e8SGuo Ren select CLKSRC_OF 13*1994cc49SGuo Ren select CSKY_MPINTC if CPU_CK860 14*1994cc49SGuo Ren select CSKY_MP_TIMER if CPU_CK860 15*1994cc49SGuo Ren select CSKY_APB_INTC 16f04b951fSChristoph Hellwig select DMA_DIRECT_REMAP 17c32e64e8SGuo Ren select IRQ_DOMAIN 18c32e64e8SGuo Ren select HANDLE_DOMAIN_IRQ 19c32e64e8SGuo Ren select DW_APB_TIMER_OF 20c32e64e8SGuo Ren select GENERIC_LIB_ASHLDI3 21c32e64e8SGuo Ren select GENERIC_LIB_ASHRDI3 22c32e64e8SGuo Ren select GENERIC_LIB_LSHRDI3 23c32e64e8SGuo Ren select GENERIC_LIB_MULDI3 24c32e64e8SGuo Ren select GENERIC_LIB_CMPDI2 25c32e64e8SGuo Ren select GENERIC_LIB_UCMPDI2 26c32e64e8SGuo Ren select GENERIC_ALLOCATOR 27c32e64e8SGuo Ren select GENERIC_ATOMIC64 28c32e64e8SGuo Ren select GENERIC_CLOCKEVENTS 29c32e64e8SGuo Ren select GENERIC_CPU_DEVICES 30c32e64e8SGuo Ren select GENERIC_IRQ_CHIP 31c32e64e8SGuo Ren select GENERIC_IRQ_PROBE 32c32e64e8SGuo Ren select GENERIC_IRQ_SHOW 33c32e64e8SGuo Ren select GENERIC_IRQ_MULTI_HANDLER 34c32e64e8SGuo Ren select GENERIC_SCHED_CLOCK 35c32e64e8SGuo Ren select GENERIC_SMP_IDLE_THREAD 36*1994cc49SGuo Ren select GX6605S_TIMER if CPU_CK610 37c32e64e8SGuo Ren select HAVE_ARCH_TRACEHOOK 382f7932b0SGuo Ren select HAVE_ARCH_AUDITSYSCALL 3928bb030fSGuo Ren select HAVE_DYNAMIC_FTRACE 40230c77a5SGuo Ren select HAVE_FUNCTION_TRACER 41d7950be1SGuo Ren select HAVE_FUNCTION_GRAPH_TRACER 4228bb030fSGuo Ren select HAVE_FTRACE_MCOUNT_RECORD 43c32e64e8SGuo Ren select HAVE_KERNEL_GZIP 44c32e64e8SGuo Ren select HAVE_KERNEL_LZO 45c32e64e8SGuo Ren select HAVE_KERNEL_LZMA 46f50fd2d8SGuo Ren select HAVE_PERF_EVENTS 47daac95e7SMao Han select HAVE_PERF_REGS 48daac95e7SMao Han select HAVE_PERF_USER_STACK_DUMP 49c32e64e8SGuo Ren select HAVE_DMA_API_DEBUG 50c32e64e8SGuo Ren select HAVE_DMA_CONTIGUOUS 512f7932b0SGuo Ren select HAVE_SYSCALL_TRACEPOINTS 52c32e64e8SGuo Ren select MAY_HAVE_SPARSE_IRQ 53c32e64e8SGuo Ren select MODULES_USE_ELF_RELA if MODULES 54c32e64e8SGuo Ren select OF 55c32e64e8SGuo Ren select OF_EARLY_FLATTREE 56f50fd2d8SGuo Ren select PERF_USE_VMALLOC if CPU_CK610 57c32e64e8SGuo Ren select RTC_LIB 58c32e64e8SGuo Ren select TIMER_OF 59c32e64e8SGuo Ren select USB_ARCH_HAS_EHCI 60c32e64e8SGuo Ren select USB_ARCH_HAS_OHCI 61c32e64e8SGuo Ren 62c32e64e8SGuo Renconfig CPU_HAS_CACHEV2 63c32e64e8SGuo Ren bool 64c32e64e8SGuo Ren 65c32e64e8SGuo Renconfig CPU_HAS_FPUV2 66c32e64e8SGuo Ren bool 67c32e64e8SGuo Ren 68c32e64e8SGuo Renconfig CPU_HAS_HILO 69c32e64e8SGuo Ren bool 70c32e64e8SGuo Ren 71c32e64e8SGuo Renconfig CPU_HAS_TLBI 72c32e64e8SGuo Ren bool 73c32e64e8SGuo Ren 74c32e64e8SGuo Renconfig CPU_HAS_LDSTEX 75c32e64e8SGuo Ren bool 76c32e64e8SGuo Ren help 77c32e64e8SGuo Ren For SMP, CPU needs "ldex&stex" instrcutions to atomic operations. 78c32e64e8SGuo Ren 79c32e64e8SGuo Renconfig CPU_NEED_TLBSYNC 80c32e64e8SGuo Ren bool 81c32e64e8SGuo Ren 82c32e64e8SGuo Renconfig CPU_NEED_SOFTALIGN 83c32e64e8SGuo Ren bool 84c32e64e8SGuo Ren 85c32e64e8SGuo Renconfig CPU_NO_USER_BKPT 86c32e64e8SGuo Ren bool 87c32e64e8SGuo Ren help 88c32e64e8SGuo Ren For abiv2 we couldn't use "trap 1" as user space bkpt in gdbserver, because 89c32e64e8SGuo Ren abiv2 is 16/32bit instruction set and "trap 1" is 32bit. 90c32e64e8SGuo Ren So we need a 16bit instruction as user space bkpt, and it will cause an illegal 91c32e64e8SGuo Ren instruction exception. 92c32e64e8SGuo Ren In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not. 93c32e64e8SGuo Ren 94c32e64e8SGuo Renconfig GENERIC_CALIBRATE_DELAY 95c32e64e8SGuo Ren def_bool y 96c32e64e8SGuo Ren 97c32e64e8SGuo Renconfig GENERIC_CSUM 98c32e64e8SGuo Ren def_bool y 99c32e64e8SGuo Ren 100c32e64e8SGuo Renconfig GENERIC_HWEIGHT 101c32e64e8SGuo Ren def_bool y 102c32e64e8SGuo Ren 103c32e64e8SGuo Renconfig MMU 104c32e64e8SGuo Ren def_bool y 105c32e64e8SGuo Ren 1060ea2dc7cSGuo Renconfig STACKTRACE_SUPPORT 1070ea2dc7cSGuo Ren def_bool y 1080ea2dc7cSGuo Ren 109c32e64e8SGuo Renconfig TIME_LOW_RES 110c32e64e8SGuo Ren def_bool y 111c32e64e8SGuo Ren 112c32e64e8SGuo Renconfig TRACE_IRQFLAGS_SUPPORT 113c32e64e8SGuo Ren def_bool y 114c32e64e8SGuo Ren 115c32e64e8SGuo Renconfig CPU_TLB_SIZE 116c32e64e8SGuo Ren int 117c32e64e8SGuo Ren default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810) 118c32e64e8SGuo Ren default "1024" if (CPU_CK860) 119c32e64e8SGuo Ren 120c32e64e8SGuo Renconfig CPU_ASID_BITS 121c32e64e8SGuo Ren int 122c32e64e8SGuo Ren default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810) 123c32e64e8SGuo Ren default "12" if (CPU_CK860) 124c32e64e8SGuo Ren 125c32e64e8SGuo Renconfig L1_CACHE_SHIFT 126c32e64e8SGuo Ren int 127c32e64e8SGuo Ren default "4" if (CPU_CK610) 128c32e64e8SGuo Ren default "5" if (CPU_CK807 || CPU_CK810) 129c32e64e8SGuo Ren default "6" if (CPU_CK860) 130c32e64e8SGuo Ren 131c32e64e8SGuo Renmenu "Processor type and features" 132c32e64e8SGuo Ren 133c32e64e8SGuo Renchoice 134c32e64e8SGuo Ren prompt "CPU MODEL" 135c32e64e8SGuo Ren default CPU_CK807 136c32e64e8SGuo Ren 137c32e64e8SGuo Renconfig CPU_CK610 138c32e64e8SGuo Ren bool "CSKY CPU ck610" 139c32e64e8SGuo Ren select CPU_NEED_TLBSYNC 140c32e64e8SGuo Ren select CPU_NEED_SOFTALIGN 141c32e64e8SGuo Ren select CPU_NO_USER_BKPT 142c32e64e8SGuo Ren 143c32e64e8SGuo Renconfig CPU_CK810 144c32e64e8SGuo Ren bool "CSKY CPU ck810" 145c32e64e8SGuo Ren select CPU_HAS_HILO 146c32e64e8SGuo Ren select CPU_NEED_TLBSYNC 147c32e64e8SGuo Ren 148c32e64e8SGuo Renconfig CPU_CK807 149c32e64e8SGuo Ren bool "CSKY CPU ck807" 150c32e64e8SGuo Ren select CPU_HAS_HILO 151c32e64e8SGuo Ren 152c32e64e8SGuo Renconfig CPU_CK860 153c32e64e8SGuo Ren bool "CSKY CPU ck860" 154c32e64e8SGuo Ren select CPU_HAS_TLBI 155c32e64e8SGuo Ren select CPU_HAS_CACHEV2 156c32e64e8SGuo Ren select CPU_HAS_LDSTEX 157c32e64e8SGuo Ren select CPU_HAS_FPUV2 158c32e64e8SGuo Renendchoice 159c32e64e8SGuo Ren 160c32e64e8SGuo Renchoice 161f50fd2d8SGuo Ren prompt "C-SKY PMU type" 162f50fd2d8SGuo Ren depends on PERF_EVENTS 163f50fd2d8SGuo Ren depends on CPU_CK807 || CPU_CK810 || CPU_CK860 164f50fd2d8SGuo Ren 165f50fd2d8SGuo Renconfig CPU_PMU_NONE 166f50fd2d8SGuo Ren bool "None" 167f50fd2d8SGuo Ren 168f50fd2d8SGuo Renconfig CSKY_PMU_V1 169f50fd2d8SGuo Ren bool "Performance Monitoring Unit Ver.1" 170f50fd2d8SGuo Ren 171f50fd2d8SGuo Renendchoice 172f50fd2d8SGuo Ren 173f50fd2d8SGuo Renchoice 174c32e64e8SGuo Ren prompt "Power Manager Instruction (wait/doze/stop)" 175c32e64e8SGuo Ren default CPU_PM_NONE 176c32e64e8SGuo Ren 177c32e64e8SGuo Renconfig CPU_PM_NONE 178c32e64e8SGuo Ren bool "None" 179c32e64e8SGuo Ren 180c32e64e8SGuo Renconfig CPU_PM_WAIT 181c32e64e8SGuo Ren bool "wait" 182c32e64e8SGuo Ren 183c32e64e8SGuo Renconfig CPU_PM_DOZE 184c32e64e8SGuo Ren bool "doze" 185c32e64e8SGuo Ren 186c32e64e8SGuo Renconfig CPU_PM_STOP 187c32e64e8SGuo Ren bool "stop" 188c32e64e8SGuo Renendchoice 189c32e64e8SGuo Ren 190c32e64e8SGuo Renconfig CPU_HAS_VDSP 191c32e64e8SGuo Ren bool "CPU has VDSP coprocessor" 192c32e64e8SGuo Ren depends on CPU_HAS_FPU && CPU_HAS_FPUV2 193c32e64e8SGuo Ren 194c32e64e8SGuo Renconfig CPU_HAS_FPU 195c32e64e8SGuo Ren bool "CPU has FPU coprocessor" 196c32e64e8SGuo Ren depends on CPU_CK807 || CPU_CK810 || CPU_CK860 197c32e64e8SGuo Ren 198c32e64e8SGuo Renconfig CPU_HAS_TEE 199c32e64e8SGuo Ren bool "CPU has Trusted Execution Environment" 200c32e64e8SGuo Ren depends on CPU_CK810 201c32e64e8SGuo Ren 202c32e64e8SGuo Renconfig SMP 203c32e64e8SGuo Ren bool "Symmetric Multi-Processing (SMP) support for C-SKY" 204c32e64e8SGuo Ren depends on CPU_CK860 205c32e64e8SGuo Ren default n 206c32e64e8SGuo Ren 207c32e64e8SGuo Renconfig NR_CPUS 208c32e64e8SGuo Ren int "Maximum number of CPUs (2-32)" 209c32e64e8SGuo Ren range 2 32 210c32e64e8SGuo Ren depends on SMP 211c32e64e8SGuo Ren default "2" 212c32e64e8SGuo Ren 213c32e64e8SGuo Renconfig HIGHMEM 214c32e64e8SGuo Ren bool "High Memory Support" 215c32e64e8SGuo Ren depends on !CPU_CK610 216c32e64e8SGuo Ren default y 217c32e64e8SGuo Ren 218c32e64e8SGuo Renconfig FORCE_MAX_ZONEORDER 219c32e64e8SGuo Ren int "Maximum zone order" 220c32e64e8SGuo Ren default "11" 221c32e64e8SGuo Ren 222c32e64e8SGuo Renconfig RAM_BASE 223c32e64e8SGuo Ren hex "DRAM start addr (the same with memory-section in dts)" 224c32e64e8SGuo Ren default 0x0 225c32e64e8SGuo Ren 226859e5f45SGuo Renconfig HOTPLUG_CPU 227859e5f45SGuo Ren bool "Support for hot-pluggable CPUs" 228859e5f45SGuo Ren select GENERIC_IRQ_MIGRATION 229859e5f45SGuo Ren depends on SMP 230859e5f45SGuo Ren help 231859e5f45SGuo Ren Say Y here to allow turning CPUs off and on. CPUs can be 232859e5f45SGuo Ren controlled through /sys/devices/system/cpu/cpu1/hotplug/target. 233859e5f45SGuo Ren 234859e5f45SGuo Ren Say N if you want to disable CPU hotplug. 235c32e64e8SGuo Renendmenu 236c32e64e8SGuo Ren 237c32e64e8SGuo Rensource "kernel/Kconfig.hz" 238