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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/csky/Kconfig
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/csky/Kconfig')
-rw-r--r--arch/csky/Kconfig365
1 files changed, 365 insertions, 0 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
new file mode 100644
index 000000000..742009123
--- /dev/null
+++ b/arch/csky/Kconfig
@@ -0,0 +1,365 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config CSKY
+ def_bool y
+ select ARCH_32BIT_OFF_T
+ select ARCH_HAS_DMA_PREP_COHERENT
+ select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_SYNC_DMA_FOR_CPU
+ select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+ select ARCH_USE_BUILTIN_BSWAP
+ select ARCH_USE_QUEUED_RWLOCKS
+ select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_INLINE_READ_LOCK if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_INLINE_SPIN_TRYLOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_TRYLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 && $(cc-option,-mbacktrace)
+ select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
+ select COMMON_CLK
+ select CLKSRC_MMIO
+ select CSKY_MPINTC if CPU_CK860
+ select CSKY_MP_TIMER if CPU_CK860
+ select CSKY_APB_INTC
+ select DMA_DIRECT_REMAP
+ select IRQ_DOMAIN
+ select DW_APB_TIMER_OF
+ select GENERIC_IOREMAP
+ select GENERIC_LIB_ASHLDI3
+ select GENERIC_LIB_ASHRDI3
+ select GENERIC_LIB_LSHRDI3
+ select GENERIC_LIB_MULDI3
+ select GENERIC_LIB_CMPDI2
+ select GENERIC_LIB_UCMPDI2
+ select GENERIC_ALLOCATOR
+ select GENERIC_ATOMIC64
+ select GENERIC_CPU_DEVICES
+ select GENERIC_IRQ_CHIP
+ select GENERIC_IRQ_PROBE
+ select GENERIC_IRQ_SHOW
+ select GENERIC_IRQ_MULTI_HANDLER
+ select GENERIC_SCHED_CLOCK
+ select GENERIC_SMP_IDLE_THREAD
+ select GENERIC_TIME_VSYSCALL
+ select GENERIC_VDSO_32
+ select GENERIC_GETTIMEOFDAY
+ select GX6605S_TIMER if CPU_CK610
+ select HAVE_ARCH_TRACEHOOK
+ select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_JUMP_LABEL if !CPU_CK610
+ select HAVE_ARCH_JUMP_LABEL_RELATIVE
+ select HAVE_ARCH_MMAP_RND_BITS
+ select HAVE_ARCH_SECCOMP_FILTER
+ select HAVE_CONTEXT_TRACKING_USER
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
+ select HAVE_DEBUG_BUGVERBOSE
+ select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_DYNAMIC_FTRACE_WITH_REGS
+ select HAVE_GENERIC_VDSO
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_ERROR_INJECTION
+ select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_LZO
+ select HAVE_KERNEL_LZMA
+ select HAVE_KPROBES if !CPU_CK610
+ select HAVE_KPROBES_ON_FTRACE if !CPU_CK610
+ select HAVE_KRETPROBES if !CPU_CK610
+ select HAVE_PERF_EVENTS
+ select HAVE_PERF_REGS
+ select HAVE_PERF_USER_STACK_DUMP
+ select HAVE_DMA_CONTIGUOUS
+ select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_RSEQ
+ select HAVE_STACKPROTECTOR
+ select HAVE_SYSCALL_TRACEPOINTS
+ select LOCK_MM_AND_FIND_VMA
+ select MAY_HAVE_SPARSE_IRQ
+ select MODULES_USE_ELF_RELA if MODULES
+ select OF
+ select OF_EARLY_FLATTREE
+ select PERF_USE_VMALLOC if CPU_CK610
+ select RTC_LIB
+ select TIMER_OF
+ select GENERIC_PCI_IOMAP
+ select HAVE_PCI
+ select PCI_DOMAINS_GENERIC if PCI
+ select PCI_SYSCALL if PCI
+ select PCI_MSI if PCI
+ select TRACE_IRQFLAGS_SUPPORT
+
+config LOCKDEP_SUPPORT
+ def_bool y
+
+config ARCH_SUPPORTS_UPROBES
+ def_bool y if !CPU_CK610
+
+config CPU_HAS_CACHEV2
+ bool
+
+config CPU_HAS_FPUV2
+ bool
+
+config CPU_HAS_HILO
+ bool
+
+config CPU_HAS_TLBI
+ bool
+
+config CPU_HAS_LDSTEX
+ bool
+ help
+ For SMP, CPU needs "ldex&stex" instructions for atomic operations.
+
+config CPU_NEED_TLBSYNC
+ bool
+
+config CPU_NEED_SOFTALIGN
+ bool
+
+config CPU_NO_USER_BKPT
+ bool
+ help
+ For abiv2 we couldn't use "trap 1" as user space bkpt in gdbserver, because
+ abiv2 is 16/32bit instruction set and "trap 1" is 32bit.
+ So we need a 16bit instruction as user space bkpt, and it will cause an illegal
+ instruction exception.
+ In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not.
+
+config GENERIC_CALIBRATE_DELAY
+ def_bool y
+
+config GENERIC_CSUM
+ def_bool y
+
+config GENERIC_HWEIGHT
+ def_bool y
+
+config MMU
+ def_bool y
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config TIME_LOW_RES
+ def_bool y
+
+config CPU_TLB_SIZE
+ int
+ default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810)
+ default "1024" if (CPU_CK860)
+
+config CPU_ASID_BITS
+ int
+ default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810)
+ default "12" if (CPU_CK860)
+
+config L1_CACHE_SHIFT
+ int
+ default "4" if (CPU_CK610)
+ default "5" if (CPU_CK807 || CPU_CK810)
+ default "6" if (CPU_CK860)
+
+config ARCH_MMAP_RND_BITS_MIN
+ default 8
+
+# max bits determined by the following formula:
+# VA_BITS - PAGE_SHIFT - 3
+config ARCH_MMAP_RND_BITS_MAX
+ default 17
+
+menu "Processor type and features"
+
+choice
+ prompt "CPU MODEL"
+ default CPU_CK807
+
+config CPU_CK610
+ bool "CSKY CPU ck610"
+ select CPU_NEED_TLBSYNC
+ select CPU_NEED_SOFTALIGN
+ select CPU_NO_USER_BKPT
+
+config CPU_CK810
+ bool "CSKY CPU ck810"
+ select CPU_HAS_HILO
+ select CPU_NEED_TLBSYNC
+
+config CPU_CK807
+ bool "CSKY CPU ck807"
+ select CPU_HAS_HILO
+
+config CPU_CK860
+ bool "CSKY CPU ck860"
+ select CPU_HAS_TLBI
+ select CPU_HAS_CACHEV2
+ select CPU_HAS_LDSTEX
+ select CPU_HAS_FPUV2
+endchoice
+
+choice
+ prompt "PAGE OFFSET"
+ default PAGE_OFFSET_80000000
+
+config PAGE_OFFSET_80000000
+ bool "PAGE OFFSET 2G (user:kernel = 2:2)"
+
+config PAGE_OFFSET_A0000000
+ bool "PAGE OFFSET 2.5G (user:kernel = 2.5:1.5)"
+endchoice
+
+config PAGE_OFFSET
+ hex
+ default 0x80000000 if PAGE_OFFSET_80000000
+ default 0xa0000000 if PAGE_OFFSET_A0000000
+choice
+
+ prompt "C-SKY PMU type"
+ depends on PERF_EVENTS
+ depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+
+config CPU_PMU_NONE
+ bool "None"
+
+config CSKY_PMU_V1
+ bool "Performance Monitoring Unit Ver.1"
+
+endchoice
+
+choice
+ prompt "Power Manager Instruction (wait/doze/stop)"
+ default CPU_PM_NONE
+
+config CPU_PM_NONE
+ bool "None"
+
+config CPU_PM_WAIT
+ bool "wait"
+
+config CPU_PM_DOZE
+ bool "doze"
+
+config CPU_PM_STOP
+ bool "stop"
+endchoice
+
+menuconfig HAVE_TCM
+ bool "Tightly-Coupled/Sram Memory"
+ depends on !COMPILE_TEST
+ help
+ The implementation are not only used by TCM (Tightly-Coupled Meory)
+ but also used by sram on SOC bus. It follow existed linux tcm
+ software interface, so that old tcm application codes could be
+ re-used directly.
+
+if HAVE_TCM
+config ITCM_RAM_BASE
+ hex "ITCM ram base"
+ default 0xffffffff
+
+config ITCM_NR_PAGES
+ int "Page count of ITCM size: NR*4KB"
+ range 1 256
+ default 32
+
+config HAVE_DTCM
+ bool "DTCM Support"
+
+config DTCM_RAM_BASE
+ hex "DTCM ram base"
+ depends on HAVE_DTCM
+ default 0xffffffff
+
+config DTCM_NR_PAGES
+ int "Page count of DTCM size: NR*4KB"
+ depends on HAVE_DTCM
+ range 1 256
+ default 32
+endif
+
+config CPU_HAS_VDSP
+ bool "CPU has VDSP coprocessor"
+ depends on CPU_HAS_FPU && CPU_HAS_FPUV2
+
+config CPU_HAS_FPU
+ bool "CPU has FPU coprocessor"
+ depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+
+config CPU_HAS_ICACHE_INS
+ bool "CPU has Icache invalidate instructions"
+ depends on CPU_HAS_CACHEV2
+
+config CPU_HAS_TEE
+ bool "CPU has Trusted Execution Environment"
+ depends on CPU_CK810
+
+config SMP
+ bool "Symmetric Multi-Processing (SMP) support for C-SKY"
+ depends on CPU_CK860
+ default n
+
+config NR_CPUS
+ int "Maximum number of CPUs (2-32)"
+ range 2 32
+ depends on SMP
+ default "4"
+
+config HIGHMEM
+ bool "High Memory Support"
+ depends on !CPU_CK610
+ select KMAP_LOCAL
+ default y
+
+config ARCH_FORCE_MAX_ORDER
+ int "Maximum zone order"
+ default "11"
+
+config DRAM_BASE
+ hex "DRAM start addr (the same with memory-section in dts)"
+ default 0x0
+
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ select GENERIC_IRQ_MIGRATION
+ depends on SMP
+ help
+ Say Y here to allow turning CPUs off and on. CPUs can be
+ controlled through /sys/devices/system/cpu/cpu1/hotplug/target.
+
+ Say N if you want to disable CPU hotplug.
+
+config HAVE_EFFICIENT_UNALIGNED_STRING_OPS
+ bool "Enable EFFICIENT_UNALIGNED_STRING_OPS for abiv2"
+ depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+ help
+ Say Y here to enable EFFICIENT_UNALIGNED_STRING_OPS. Some CPU models could
+ deal with unaligned access by hardware.
+
+endmenu
+
+source "arch/csky/Kconfig.platforms"
+
+source "kernel/Kconfig.hz"