From patchwork Sat May 9 05:02:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Mackerras X-Patchwork-Id: 1286539 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49JwK66kWYz9sNH for ; Sat, 9 May 2020 15:11:22 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=M/BQS2zJ; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49JwK65c1wzDqll for ; Sat, 9 May 2020 15:11:22 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49JwBH0PMLzDr2m for ; Sat, 9 May 2020 15:05:27 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=M/BQS2zJ; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 49JwBG2pstz9sT0; Sat, 9 May 2020 15:05:26 +1000 (AEST) Delivered-To: linuxppc-dev@ozlabs.org Received: by ozlabs.org (Postfix, from userid 1003) id 49JwBG0PNpz9sNH; Sat, 9 May 2020 15:05:26 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1589000726; bh=lES1YpCuU/2Z1sFhawP/2rUzTXByNK+I43I/QSTzCeY=; h=Date:From:To:Subject:References:In-Reply-To:From; b=M/BQS2zJJIxhXlTXJzKtVbnV3wWDmFcGmJG2mwFBFztlTup6jfUxDKHzMpnjDRRgI GnUe3ZEgtLYR9lbRPXMtja7ZZ9s1kzqagsDKwNEiGQNJAU8nXXQgOSlY484DDX3OXJ hkn+xvZgbHDGpKoWKL4NrrV7uup+xVkHlFa6GNHpB1yxuVlcig+5T9AqJZKqZGqYtA ESMwqVAgnax4uKFJ68G2VxbRjhZVCeo6CaZm6XvWpayKuMP1M/QTvcEPF4k5NJbWjz eeP0B3T/KSSRYpcyXJmzC87r050jkQT4ZmVWIxoArSCgl+wTCGUh5vJIfv3xCja06a 5UX58pzf1HThQ== Date: Sat, 9 May 2020 15:02:04 +1000 From: Paul Mackerras To: linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Michael Neuling , Anton Blanchard Subject: [PATCH RFC 1/4] powerpc/radix: Fix compilation for radix with CONFIG_SMP=n Message-ID: <20200509050204.GB1464954@thinks.paulus.ozlabs.org> References: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This fixes the compile errors we currently get with CONFIG_SMP=n and CONFIG_PPC_RADIX_MMU=y. Signed-off-by: Paul Mackerras --- arch/powerpc/include/asm/book3s/64/tlbflush-radix.h | 2 ++ arch/powerpc/mm/book3s64/radix_tlb.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index ca8db193ae38..adcc6114d170 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -68,6 +68,8 @@ extern void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmad #define radix__flush_all_mm(mm) radix__local_flush_all_mm(mm) #define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr) #define radix__flush_tlb_page_psize(mm,addr,p) radix__local_flush_tlb_page_psize(mm,addr,p) +#define exit_flush_lazy_tlbs(mm) do { } while (0) +#define __flush_all_mm(mm, fullmm) radix__local_flush_all_mm(mm) #endif extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr); extern void radix__flush_tlb_collapsed_pmd(struct mm_struct *mm, unsigned long addr); diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 03f43c924e00..e3ea026cf91e 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -776,8 +776,6 @@ void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) } EXPORT_SYMBOL(radix__flush_tlb_page); -#else /* CONFIG_SMP */ -#define radix__flush_all_mm radix__local_flush_all_mm #endif /* CONFIG_SMP */ static void do_tlbiel_kernel(void *info) From patchwork Sat May 9 05:02:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Mackerras X-Patchwork-Id: 1286541 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49JwP74Q4sz9sSg for ; Sat, 9 May 2020 15:14:51 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=l4rupVTd; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49JwP737rDzDrBk for ; Sat, 9 May 2020 15:14:51 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49JwBJ2DNszDr2j for ; Sat, 9 May 2020 15:05:28 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=l4rupVTd; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 49JwBJ07VBz9sSw; Sat, 9 May 2020 15:05:28 +1000 (AEST) Delivered-To: linuxppc-dev@ozlabs.org Received: by ozlabs.org (Postfix, from userid 1003) id 49JwBH4DKrz9sT2; Sat, 9 May 2020 15:05:26 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1589000727; bh=BC6iaTJ/M52M8QJLXWgCgLJcHYEeMcPS+LMmdBI2IFM=; h=Date:From:To:Subject:References:In-Reply-To:From; b=l4rupVTdVQ2IYPF4Sz/bKX+9gXJ924qlJZZD47gn4Zd8o9/GTbHfHuIDLozx4ygQf qwFXv3a2Gt0AIcNPwkToGtcOtspZBHSkAJ532rsqLWSdn/GIuI6jju4RvMEO9C782F b7bgDXCN+nYzHyFodsDKeIQQGWZ41KOHrBVbegYKwVZ+haFpKIdDwaqOyNrTfZ69pQ OKy2DPeUri2dmDbr5S42nEfRr0QI++zIaGub8vQ2g3dGCPrap5rnWAEa6v4DU4sc+9 Az3/20d02lfnUjYgcTWXDuLYcUOVUuo31VIA/mxqrjR64ZI9HjnZik6bH8F/LjyQM/ Aaf0Rvpnre/4g== Date: Sat, 9 May 2020 15:02:55 +1000 From: Paul Mackerras To: linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Michael Neuling , Anton Blanchard Subject: [PATCH RFC 2/4] powerpc: Add Microwatt platform Message-ID: <20200509050255.GC1464954@thinks.paulus.ozlabs.org> References: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Microwatt is a FPGA-based implementation of the Power ISA. It currently only implements little-endian 64-bit mode, and does not (yet) support SMP. This adds a new machine type to support FPGA-based SoCs with a Microwatt core. Signed-off-by: Paul Mackerras --- arch/powerpc/Kconfig | 2 +- arch/powerpc/configs/microwatt_defconfig | 1418 +++++++++++++++++++++ arch/powerpc/platforms/Kconfig | 1 + arch/powerpc/platforms/Makefile | 1 + arch/powerpc/platforms/microwatt/Kconfig | 9 + arch/powerpc/platforms/microwatt/Makefile | 1 + arch/powerpc/platforms/microwatt/setup.c | 40 + 7 files changed, 1471 insertions(+), 1 deletion(-) create mode 100644 arch/powerpc/configs/microwatt_defconfig create mode 100644 arch/powerpc/platforms/microwatt/Kconfig create mode 100644 arch/powerpc/platforms/microwatt/Makefile create mode 100644 arch/powerpc/platforms/microwatt/setup.c diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 497b7d0b2d7e..97286b8312f5 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -407,7 +407,7 @@ config HUGETLB_PAGE_SIZE_VARIABLE config MATH_EMULATION bool "Math emulation" - depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE + depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE || PPC_MICROWATT help Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig new file mode 100644 index 000000000000..f4f4c965a786 --- /dev/null +++ b/arch/powerpc/configs/microwatt_defconfig @@ -0,0 +1,1418 @@ +# +# Automatically generated file; DO NOT EDIT. +# Linux/powerpc 5.6.0 Kernel Configuration +# + +# +# Compiler: powerpc64le-linux-gnu-gcc (GCC) 9.2.1 20190827 (Red Hat Cross 9.2.1-1) +# +CONFIG_CC_IS_GCC=y +CONFIG_GCC_VERSION=90201 +CONFIG_CLANG_VERSION=0 +CONFIG_CC_HAS_ASM_GOTO=y +CONFIG_CC_HAS_ASM_INLINE=y +CONFIG_CC_HAS_WARN_MAYBE_UNINITIALIZED=y +CONFIG_CC_DISABLE_WARN_MAYBE_UNINITIALIZED=y +CONFIG_IRQ_WORK=y +CONFIG_BUILDTIME_TABLE_SORT=y +CONFIG_THREAD_INFO_IN_TASK=y + +# +# General setup +# +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +# CONFIG_COMPILE_TEST is not set +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_BUILD_SALT="" +CONFIG_HAVE_KERNEL_GZIP=y +CONFIG_HAVE_KERNEL_XZ=y +# CONFIG_KERNEL_GZIP is not set +CONFIG_KERNEL_XZ=y +CONFIG_DEFAULT_HOSTNAME="arty" +# CONFIG_SWAP is not set +# CONFIG_SYSVIPC is not set +# CONFIG_CROSS_MEMORY_ATTACH is not set +# CONFIG_USELIB is not set +CONFIG_HAVE_ARCH_AUDITSYSCALL=y + +# +# IRQ subsystem +# +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_IRQ_SHOW_LEVEL=y +CONFIG_HARDIRQS_SW_RESEND=y +CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_FORCED_THREADING=y +CONFIG_SPARSE_IRQ=y +# end of IRQ subsystem + +CONFIG_GENERIC_TIME_VSYSCALL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CMOS_UPDATE=y + +# +# Timers subsystem +# +CONFIG_TICK_ONESHOT=y +CONFIG_HZ_PERIODIC=y +# CONFIG_NO_HZ_IDLE is not set +# CONFIG_NO_HZ is not set +CONFIG_HIGH_RES_TIMERS=y +# end of Timers subsystem + +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set + +# +# CPU/Task time and stats accounting +# +CONFIG_TICK_CPU_ACCOUNTING=y +# CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not set +# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set +# CONFIG_IRQ_TIME_ACCOUNTING is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_PSI is not set +# end of CPU/Task time and stats accounting + +# +# RCU Subsystem +# +CONFIG_TINY_RCU=y +# CONFIG_RCU_EXPERT is not set +CONFIG_SRCU=y +CONFIG_TINY_SRCU=y +# end of RCU Subsystem + +# CONFIG_IKCONFIG is not set +# CONFIG_IKHEADERS is not set +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=12 + +# +# Scheduler features +# +# end of Scheduler features + +CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y +CONFIG_CC_HAS_INT128=y +# CONFIG_CGROUPS is not set +# CONFIG_NAMESPACES is not set +# CONFIG_CHECKPOINT_RESTORE is not set +# CONFIG_SCHED_AUTOGROUP is not set +# CONFIG_SYSFS_DEPRECATED is not set +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="rootfs.cpio" +CONFIG_INITRAMFS_ROOT_UID=0 +CONFIG_INITRAMFS_ROOT_GID=0 +# CONFIG_RD_GZIP is not set +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +CONFIG_RD_XZ=y +# CONFIG_RD_LZO is not set +# CONFIG_RD_LZ4 is not set +CONFIG_INITRAMFS_COMPRESSION_XZ=y +# CONFIG_INITRAMFS_COMPRESSION_NONE is not set +# CONFIG_BOOT_CONFIG is not set +# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_HAVE_LD_DEAD_CODE_DATA_ELIMINATION=y +# CONFIG_LD_DEAD_CODE_DATA_ELIMINATION is not set +CONFIG_SYSCTL=y +CONFIG_SYSCTL_EXCEPTION_TRACE=y +CONFIG_EXPERT=y +CONFIG_MULTIUSER=y +# CONFIG_SGETMASK_SYSCALL is not set +# CONFIG_SYSFS_SYSCALL is not set +# CONFIG_FHANDLE is not set +CONFIG_POSIX_TIMERS=y +CONFIG_PRINTK=y +CONFIG_PRINTK_NMI=y +CONFIG_BUG=y +# CONFIG_BASE_FULL is not set +CONFIG_FUTEX=y +CONFIG_FUTEX_PI=y +# CONFIG_EPOLL is not set +# CONFIG_SIGNALFD is not set +# CONFIG_TIMERFD is not set +# CONFIG_EVENTFD is not set +# CONFIG_SHMEM is not set +# CONFIG_AIO is not set +# CONFIG_IO_URING is not set +# CONFIG_ADVISE_SYSCALLS is not set +# CONFIG_MEMBARRIER is not set +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +CONFIG_KALLSYMS_BASE_RELATIVE=y +# CONFIG_BPF_SYSCALL is not set +# CONFIG_USERFAULTFD is not set +CONFIG_ARCH_HAS_MEMBARRIER_CALLBACKS=y +# CONFIG_RSEQ is not set +CONFIG_EMBEDDED=y +CONFIG_HAVE_PERF_EVENTS=y +# CONFIG_PC104 is not set + +# +# Kernel Performance Events And Counters +# +# CONFIG_PERF_EVENTS is not set +# end of Kernel Performance Events And Counters + +# CONFIG_VM_EVENT_COUNTERS is not set +# CONFIG_SLUB_DEBUG is not set +# CONFIG_COMPAT_BRK is not set +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set +# CONFIG_SLAB_MERGE_DEFAULT is not set +# CONFIG_SLAB_FREELIST_RANDOM is not set +# CONFIG_SLAB_FREELIST_HARDENED is not set +# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set +# CONFIG_PROFILING is not set +# end of General setup + +CONFIG_PPC64=y + +# +# Processor support +# +CONFIG_PPC_BOOK3S_64=y +# CONFIG_PPC_BOOK3E_64 is not set +CONFIG_GENERIC_CPU=y +# CONFIG_POWER7_CPU is not set +# CONFIG_POWER8_CPU is not set +# CONFIG_POWER9_CPU is not set +CONFIG_PPC_BOOK3S=y +CONFIG_PPC_FPU=y +# CONFIG_ALTIVEC is not set +CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y +CONFIG_PPC_RADIX_MMU=y +CONFIG_PPC_RADIX_MMU_DEFAULT=y +CONFIG_PPC_HAVE_KUEP=y +# CONFIG_PPC_KUEP is not set +CONFIG_PPC_HAVE_KUAP=y +# CONFIG_PPC_KUAP is not set +# CONFIG_PPC_KUAP_DEBUG is not set +CONFIG_PPC_MM_SLICES=y +CONFIG_PPC_HAVE_PMU_SUPPORT=y +# CONFIG_SMP is not set +# end of Processor support + +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_CPU_LITTLE_ENDIAN=y +CONFIG_PPC64_BOOT_WRAPPER=y +CONFIG_64BIT=y +CONFIG_MMU=y +CONFIG_ARCH_MMAP_RND_BITS_MAX=33 +CONFIG_ARCH_MMAP_RND_BITS_MIN=18 +CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=17 +CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11 +CONFIG_HAVE_SETUP_PER_CPU_AREA=y +CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y +CONFIG_NR_IRQS=64 +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_PPC=y +CONFIG_PPC_BARRIER_NOSPEC=y +CONFIG_EARLY_PRINTK=y +CONFIG_PANIC_TIMEOUT=10 +CONFIG_COMPAT=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_ARCH_SUPPORTS_UPROBES=y +CONFIG_PPC_DAWR=y +CONFIG_PGTABLE_LEVELS=4 +CONFIG_PPC_XICS=y + +# +# Platform support +# +# CONFIG_PPC_POWERNV is not set +# CONFIG_PPC_PSERIES is not set +CONFIG_PPC_MICROWATT=y +# CONFIG_KVM_GUEST is not set +# CONFIG_EPAPR_PARAVIRT is not set +CONFIG_PPC_NATIVE=y +# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set +CONFIG_PPC_DT_CPU_FTRS=y +CONFIG_PPC_SMP_MUXED_IPI=y + +# +# CPU Frequency scaling +# +CONFIG_CPU_FREQ=y +# CONFIG_CPU_FREQ_STAT is not set +CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set +# CONFIG_CPU_FREQ_GOV_USERSPACE is not set +# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set +# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set + +# +# CPU frequency scaling drivers +# +# end of CPU Frequency scaling + +# +# CPUIdle driver +# + +# +# CPU Idle +# +# CONFIG_CPU_IDLE is not set +# end of CPU Idle +# end of CPUIdle driver + +# CONFIG_GEN_RTC is not set +# end of Platform support + +# +# Kernel options +# +CONFIG_HZ_100=y +# CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=100 +CONFIG_SCHED_HRTICK=y +CONFIG_MATH_EMULATION=y +CONFIG_MATH_EMULATION_FULL=y +# CONFIG_MATH_EMULATION_HW_UNIMPLEMENTED is not set +# CONFIG_LD_HEAD_STUB_CATCH is not set +CONFIG_MPROFILE_KERNEL=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +# CONFIG_PPC64_SUPPORTS_MEMORY_FAILURE is not set +# CONFIG_KEXEC is not set +# CONFIG_RELOCATABLE is not set +# CONFIG_CRASH_DUMP is not set +# CONFIG_NUMA is not set +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_SYS_SUPPORTS_HUGETLBFS=y +CONFIG_ILLEGAL_POINTER_VALUE=0x5deadbeef0000000 +CONFIG_PPC_4K_PAGES=y +# CONFIG_PPC_64K_PAGES is not set +CONFIG_PPC_PAGE_SHIFT=12 +CONFIG_THREAD_SHIFT=14 +CONFIG_ETEXT_SHIFT=12 +CONFIG_DATA_SHIFT=12 +CONFIG_FORCE_MAX_ZONEORDER=13 +# CONFIG_PPC_DENORMALISATION is not set +# CONFIG_CMDLINE_BOOL is not set +CONFIG_CMDLINE="" +CONFIG_EXTRA_TARGETS="" +# CONFIG_PM is not set +# CONFIG_SECCOMP is not set +# CONFIG_PPC_MEM_KEYS is not set +# end of Kernel options + +# +# Bus options +# +# CONFIG_FSL_LBC is not set +# end of Bus options + +CONFIG_PAGE_OFFSET=0xc000000000000000 +CONFIG_KERNEL_START=0xc000000000000000 +CONFIG_PHYSICAL_START=0x00000000 +# CONFIG_VIRTUALIZATION is not set +CONFIG_HAVE_LIVEPATCH=y + +# +# General architecture-dependent options +# +CONFIG_HAVE_OPROFILE=y +# CONFIG_JUMP_LABEL is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_ARCH_USE_BUILTIN_BSWAP=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_KPROBES=y +CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_OPTPROBES=y +CONFIG_HAVE_KPROBES_ON_FTRACE=y +CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y +CONFIG_HAVE_NMI=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_GENERIC_SMP_IDLE_THREAD=y +CONFIG_ARCH_HAS_FORTIFY_SOURCE=y +CONFIG_HAVE_ASM_MODVERSIONS=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +CONFIG_HAVE_RSEQ=y +CONFIG_HAVE_PERF_EVENTS_NMI=y +CONFIG_HAVE_NMI_WATCHDOG=y +CONFIG_HAVE_HARDLOCKUP_DETECTOR_ARCH=y +CONFIG_HAVE_PERF_REGS=y +CONFIG_HAVE_PERF_USER_STACK_DUMP=y +CONFIG_HAVE_ARCH_JUMP_LABEL=y +CONFIG_MMU_GATHER_TABLE_FREE=y +CONFIG_MMU_GATHER_RCU_TABLE_FREE=y +CONFIG_MMU_GATHER_PAGE_SIZE=y +CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y +CONFIG_ARCH_WEAK_RELEASE_ACQUIRE=y +CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y +CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y +CONFIG_HAVE_ARCH_SECCOMP_FILTER=y +CONFIG_HAVE_STACKPROTECTOR=y +CONFIG_CC_HAS_STACKPROTECTOR_NONE=y +# CONFIG_STACKPROTECTOR is not set +CONFIG_HAVE_CONTEXT_TRACKING=y +CONFIG_HAVE_VIRT_CPU_ACCOUNTING=y +CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y +CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y +CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y +CONFIG_HAVE_ARCH_HUGE_VMAP=y +CONFIG_HAVE_ARCH_SOFT_DIRTY=y +CONFIG_HAVE_MOD_ARCH_SPECIFIC=y +CONFIG_MODULES_USE_ELF_RELA=y +CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y +CONFIG_ARCH_HAS_ELF_RANDOMIZE=y +CONFIG_HAVE_ARCH_MMAP_RND_BITS=y +CONFIG_ARCH_MMAP_RND_BITS=18 +CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y +CONFIG_ARCH_MMAP_RND_COMPAT_BITS=11 +CONFIG_HAVE_COPY_THREAD_TLS=y +CONFIG_HAVE_RELIABLE_STACKTRACE=y +CONFIG_HAVE_ARCH_NVRAM_OPS=y +CONFIG_CLONE_BACKWARDS=y +CONFIG_OLD_SIGSUSPEND=y +CONFIG_COMPAT_OLD_SIGACTION=y +CONFIG_COMPAT_32BIT_TIME=y +CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y +CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y +# CONFIG_STRICT_KERNEL_RWX is not set +CONFIG_ARCH_HAS_PHYS_TO_DMA=y + +# +# GCOV-based kernel profiling +# +CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y +# end of GCOV-based kernel profiling + +CONFIG_PLUGIN_HOSTCC="" +CONFIG_HAVE_GCC_PLUGINS=y +# end of General architecture-dependent options + +CONFIG_RT_MUTEXES=y +CONFIG_BASE_SMALL=1 +# CONFIG_MODULES is not set +CONFIG_BLOCK=y +CONFIG_BLK_SCSI_REQUEST=y +CONFIG_BLK_DEV_BSG=y +# CONFIG_BLK_DEV_BSGLIB is not set +# CONFIG_BLK_DEV_INTEGRITY is not set +# CONFIG_BLK_DEV_ZONED is not set +# CONFIG_BLK_CMDLINE_PARSER is not set +# CONFIG_BLK_WBT is not set +# CONFIG_BLK_SED_OPAL is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_EFI_PARTITION=y +# end of Partition Types + +CONFIG_BLOCK_COMPAT=y + +# +# IO Schedulers +# +CONFIG_MQ_IOSCHED_DEADLINE=y +# CONFIG_MQ_IOSCHED_KYBER is not set +# CONFIG_IOSCHED_BFQ is not set +# end of IO Schedulers + +CONFIG_INLINE_SPIN_UNLOCK_IRQ=y +CONFIG_INLINE_READ_UNLOCK=y +CONFIG_INLINE_READ_UNLOCK_IRQ=y +CONFIG_INLINE_WRITE_UNLOCK=y +CONFIG_INLINE_WRITE_UNLOCK_IRQ=y +CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y +CONFIG_ARCH_HAS_MMIOWB=y + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +CONFIG_COMPAT_BINFMT_ELF=y +CONFIG_ELFCORE=y +CONFIG_BINFMT_SCRIPT=y +# CONFIG_BINFMT_MISC is not set +# CONFIG_COREDUMP is not set +# end of Executable file formats + +# +# Memory Management options +# +CONFIG_SELECT_MEMORY_MODEL=y +# CONFIG_FLATMEM_MANUAL is not set +CONFIG_SPARSEMEM_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_HAVE_MEMORY_PRESENT=y +CONFIG_SPARSEMEM_EXTREME=y +CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y +CONFIG_SPARSEMEM_VMEMMAP=y +CONFIG_HAVE_MEMBLOCK_NODE_MAP=y +CONFIG_HAVE_FAST_GUP=y +CONFIG_ARCH_KEEP_MEMBLOCK=y +# CONFIG_MEMORY_HOTPLUG is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_COMPACTION is not set +# CONFIG_MIGRATION is not set +CONFIG_PHYS_ADDR_T_64BIT=y +# CONFIG_KSM is not set +CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +# CONFIG_TRANSPARENT_HUGEPAGE is not set +CONFIG_NEED_PER_CPU_KM=y +# CONFIG_CLEANCACHE is not set +# CONFIG_CMA is not set +# CONFIG_ZPOOL is not set +# CONFIG_ZBUD is not set +# CONFIG_ZSMALLOC is not set +CONFIG_GENERIC_EARLY_IOREMAP=y +# CONFIG_IDLE_PAGE_TRACKING is not set +CONFIG_ARCH_HAS_PTE_DEVMAP=y +# CONFIG_PERCPU_STATS is not set +# CONFIG_GUP_BENCHMARK is not set +CONFIG_ARCH_HAS_PTE_SPECIAL=y +# end of Memory Management options + +# CONFIG_NET is not set +CONFIG_HAVE_EBPF_JIT=y + +# +# Device Drivers +# +# CONFIG_PCCARD is not set + +# +# Generic Driver Options +# +# CONFIG_UEVENT_HELPER is not set +# CONFIG_DEVTMPFS is not set +# CONFIG_STANDALONE is not set +# CONFIG_PREVENT_FIRMWARE_BUILD is not set + +# +# Firmware loader +# +# CONFIG_FW_LOADER is not set +# end of Firmware loader + +# CONFIG_ALLOW_DEV_COREDUMP is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set +CONFIG_GENERIC_CPU_AUTOPROBE=y +CONFIG_GENERIC_CPU_VULNERABILITIES=y +# end of Generic Driver Options + +# +# Bus devices +# +# end of Bus devices + +# CONFIG_GNSS is not set +# CONFIG_MTD is not set +CONFIG_DTC=y +CONFIG_OF=y +# CONFIG_OF_UNITTEST is not set +CONFIG_OF_FLATTREE=y +CONFIG_OF_EARLY_FLATTREE=y +CONFIG_OF_KOBJ=y +CONFIG_OF_ADDRESS=y +CONFIG_OF_IRQ=y +CONFIG_OF_RESERVED_MEM=y +# CONFIG_OF_OVERLAY is not set +CONFIG_OF_DMA_DEFAULT_COHERENT=y +CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_NULL_BLK is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_LOOP_MIN_COUNT=8 +# CONFIG_BLK_DEV_CRYPTOLOOP is not set + +# +# DRBD disabled because PROC_FS or INET not selected +# +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_CDROM_PKTCDVD is not set + +# +# NVME Support +# +# CONFIG_NVME_FC is not set +# end of NVME Support + +# +# Misc devices +# +# CONFIG_DUMMY_IRQ is not set +# CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_SRAM is not set +# CONFIG_XILINX_SDFEC is not set +# CONFIG_PVPANIC is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set +# end of EEPROM support + +# +# Texas Instruments shared transport line discipline +# +# end of Texas Instruments shared transport line discipline + +# +# Altera FPGA firmware download module (requires I2C) +# + +# +# Intel MIC & related support +# +# CONFIG_VOP_BUS is not set +# end of Intel MIC & related support + +# CONFIG_ECHO is not set +# end of Misc devices + +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +CONFIG_SCSI_MOD=y +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# end of SCSI device support + +# CONFIG_ATA is not set +# CONFIG_MD is not set +# CONFIG_TARGET_CORE is not set +# CONFIG_MACINTOSH_DRIVERS is not set +# CONFIG_NVM is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y +# CONFIG_GAMEPORT is not set +# end of Hardware I/O ports +# end of Input device support + +# +# Character devices +# +CONFIG_TTY=y +# CONFIG_VT is not set +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +CONFIG_SERIAL_NONSTANDARD=y +# CONFIG_N_HDLC is not set +# CONFIG_TRACE_SINK is not set +# CONFIG_PPC_EPAPR_HV_BYTECHAN is not set +# CONFIG_NULL_TTY is not set +CONFIG_LDISC_AUTOLOAD=y +CONFIG_DEVMEM=y +# CONFIG_DEVKMEM is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +# CONFIG_SERIAL_UARTLITE is not set +# CONFIG_SERIAL_SIFIVE is not set +# CONFIG_SERIAL_SCCNXP is not set +# CONFIG_SERIAL_ALTERA_JTAGUART is not set +# CONFIG_SERIAL_ALTERA_UART is not set +# CONFIG_SERIAL_XILINX_PS_UART is not set +# CONFIG_SERIAL_ARC is not set +# CONFIG_SERIAL_FSL_LPUART is not set +# CONFIG_SERIAL_FSL_LINFLEXUART is not set +# CONFIG_SERIAL_CONEXANT_DIGICOLOR is not set +# end of Serial drivers + +# CONFIG_SERIAL_DEV_BUS is not set +# CONFIG_TTY_PRINTK is not set +CONFIG_HVC_DRIVER=y +CONFIG_HVC_UDBG=y +# CONFIG_IPMI_HANDLER is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_NVRAM is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_HANGCHECK_TIMER is not set +# CONFIG_TCG_TPM is not set +# CONFIG_XILLYBUS is not set +# end of Character devices + +# CONFIG_RANDOM_TRUST_CPU is not set +# CONFIG_RANDOM_TRUST_BOOTLOADER is not set + +# +# I2C support +# +# CONFIG_I2C is not set +# end of I2C support + +# CONFIG_I3C is not set +# CONFIG_SPI is not set +# CONFIG_SPMI is not set +# CONFIG_HSI is not set +# CONFIG_PPS is not set + +# +# PTP clock support +# + +# +# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks. +# +# end of PTP clock support + +# CONFIG_PINCTRL is not set +# CONFIG_GPIOLIB is not set +# CONFIG_W1 is not set +# CONFIG_POWER_AVS is not set +# CONFIG_POWER_RESET is not set +# CONFIG_POWER_SUPPLY is not set +# CONFIG_HWMON is not set +# CONFIG_THERMAL is not set +# CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set +CONFIG_BCMA_POSSIBLE=y +# CONFIG_BCMA is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_ATMEL_FLEXCOM is not set +# CONFIG_MFD_ATMEL_HLCDC is not set +# CONFIG_MFD_MADERA is not set +# CONFIG_MFD_HI6421_PMIC is not set +# CONFIG_HTC_PASIC3 is not set +# CONFIG_MFD_KEMPLD is not set +# CONFIG_MFD_MT6397 is not set +# CONFIG_MFD_SM501 is not set +# CONFIG_ABX500_CORE is not set +# CONFIG_MFD_SYSCON is not set +# CONFIG_MFD_TI_AM335X_TSCADC is not set +# CONFIG_MFD_TQMX86 is not set +# end of Multifunction device drivers + +# CONFIG_REGULATOR is not set +# CONFIG_MEDIA_SUPPORT is not set + +# +# Graphics support +# +# CONFIG_DRM is not set + +# +# ARM devices +# +# end of ARM devices + +# +# ACP (Audio CoProcessor) Configuration +# +# end of ACP (Audio CoProcessor) Configuration + +# +# Frame buffer Devices +# +# CONFIG_FB is not set +# end of Frame buffer Devices + +# +# Backlight & LCD device support +# +# CONFIG_LCD_CLASS_DEVICE is not set +# CONFIG_BACKLIGHT_CLASS_DEVICE is not set +# end of Backlight & LCD device support +# end of Graphics support + +# CONFIG_SOUND is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_SUPPORT is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_EDAC_ATOMIC_SCRUB=y +CONFIG_EDAC_SUPPORT=y +CONFIG_RTC_LIB=y +# CONFIG_RTC_CLASS is not set +# CONFIG_DMADEVICES is not set + +# +# DMABUF options +# +# CONFIG_SYNC_FILE is not set +# CONFIG_DMABUF_HEAPS is not set +# end of DMABUF options + +# CONFIG_AUXDISPLAY is not set +# CONFIG_UIO is not set +# CONFIG_VIRT_DRIVERS is not set +# CONFIG_VIRTIO_MENU is not set + +# +# Microsoft Hyper-V guest support +# +# end of Microsoft Hyper-V guest support + +# CONFIG_GREYBUS is not set +# CONFIG_STAGING is not set +# CONFIG_GOLDFISH is not set +# CONFIG_HWSPINLOCK is not set + +# +# Clock Source drivers +# +# CONFIG_MICROCHIP_PIT64B is not set +# end of Clock Source drivers + +# CONFIG_MAILBOX is not set +# CONFIG_IOMMU_SUPPORT is not set + +# +# Remoteproc drivers +# +# CONFIG_REMOTEPROC is not set +# end of Remoteproc drivers + +# +# Rpmsg drivers +# +# CONFIG_RPMSG_VIRTIO is not set +# end of Rpmsg drivers + +# CONFIG_SOUNDWIRE is not set + +# +# SOC (System On Chip) specific Drivers +# + +# +# Amlogic SoC drivers +# +# end of Amlogic SoC drivers + +# +# Aspeed SoC drivers +# +# end of Aspeed SoC drivers + +# +# Broadcom SoC drivers +# +# end of Broadcom SoC drivers + +# +# NXP/Freescale QorIQ SoC drivers +# +# CONFIG_QUICC_ENGINE is not set +# end of NXP/Freescale QorIQ SoC drivers + +# +# i.MX SoC drivers +# +# end of i.MX SoC drivers + +# +# Qualcomm SoC drivers +# +# end of Qualcomm SoC drivers + +# CONFIG_SOC_TI is not set + +# +# Xilinx SoC drivers +# +# CONFIG_XILINX_VCU is not set +# end of Xilinx SoC drivers +# end of SOC (System On Chip) specific Drivers + +# CONFIG_PM_DEVFREQ is not set +# CONFIG_EXTCON is not set +# CONFIG_MEMORY is not set +# CONFIG_IIO is not set +# CONFIG_PWM is not set + +# +# IRQ chip support +# +CONFIG_IRQCHIP=y +# CONFIG_AL_FIC is not set +# end of IRQ chip support + +# CONFIG_IPACK_BUS is not set +# CONFIG_RESET_CONTROLLER is not set + +# +# PHY Subsystem +# +# CONFIG_GENERIC_PHY is not set +# CONFIG_BCM_KONA_USB2_PHY is not set +# CONFIG_PHY_CADENCE_DP is not set +# CONFIG_PHY_CADENCE_DPHY is not set +# CONFIG_PHY_FSL_IMX8MQ_USB is not set +# CONFIG_PHY_MIXEL_MIPI_DPHY is not set +# CONFIG_PHY_PXA_28NM_HSIC is not set +# CONFIG_PHY_PXA_28NM_USB2 is not set +# CONFIG_PHY_INTEL_EMMC is not set +# end of PHY Subsystem + +# CONFIG_POWERCAP is not set +# CONFIG_MCB is not set +# CONFIG_RAS is not set + +# +# Android +# +# CONFIG_ANDROID is not set +# end of Android + +# CONFIG_LIBNVDIMM is not set +# CONFIG_DAX is not set +# CONFIG_NVMEM is not set + +# +# HW tracing support +# +# CONFIG_STM is not set +# CONFIG_INTEL_TH is not set +# end of HW tracing support + +# CONFIG_FPGA is not set +# CONFIG_FSI is not set +# CONFIG_SIOX is not set +# CONFIG_SLIMBUS is not set +# CONFIG_INTERCONNECT is not set +# CONFIG_COUNTER is not set +# end of Device Drivers + +# +# File systems +# +CONFIG_DCACHE_WORD_ACCESS=y +# CONFIG_VALIDATE_FS_PARSER is not set +CONFIG_FS_IOMAP=y +# CONFIG_EXT2_FS is not set +# CONFIG_EXT3_FS is not set +CONFIG_EXT4_FS=y +CONFIG_EXT4_USE_FOR_EXT2=y +# CONFIG_EXT4_FS_POSIX_ACL is not set +# CONFIG_EXT4_FS_SECURITY is not set +# CONFIG_EXT4_DEBUG is not set +CONFIG_JBD2=y +# CONFIG_JBD2_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_BTRFS_FS is not set +# CONFIG_NILFS2_FS is not set +# CONFIG_F2FS_FS is not set +# CONFIG_FS_DAX is not set +# CONFIG_EXPORTFS_BLOCK_OPS is not set +# CONFIG_FILE_LOCKING is not set +# CONFIG_FS_ENCRYPTION is not set +# CONFIG_FS_VERITY is not set +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +# CONFIG_FANOTIFY is not set +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_FUSE_FS is not set +# CONFIG_OVERLAY_FS is not set + +# +# Caches +# +# CONFIG_FSCACHE is not set +# end of Caches + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set +# end of CD-ROM/DVD Filesystems + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set +# end of DOS/FAT/NT Filesystems + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +# CONFIG_PROC_KCORE is not set +CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +# CONFIG_PROC_CHILDREN is not set +CONFIG_KERNFS=y +CONFIG_SYSFS=y +# CONFIG_HUGETLBFS is not set +CONFIG_ARCH_HAS_GIGANTIC_PAGE=y +# CONFIG_CONFIGFS_FS is not set +# end of Pseudo filesystems + +# CONFIG_MISC_FILESYSTEMS is not set +# CONFIG_NLS is not set +# CONFIG_UNICODE is not set +# end of File systems + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY_DMESG_RESTRICT is not set +# CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set +CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y +# CONFIG_HARDENED_USERCOPY is not set +# CONFIG_FORTIFY_SOURCE is not set +# CONFIG_STATIC_USERMODEHELPER is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_LSM="lockdown,yama,loadpin,safesetid,integrity" + +# +# Kernel hardening options +# + +# +# Memory initialization +# +CONFIG_INIT_STACK_NONE=y +# CONFIG_INIT_ON_ALLOC_DEFAULT_ON is not set +# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set +# end of Memory initialization +# end of Kernel hardening options +# end of Security options + +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +# CONFIG_CRYPTO_MANAGER is not set +CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set + +# +# Public-key cryptography +# +# CONFIG_CRYPTO_RSA is not set +# CONFIG_CRYPTO_DH is not set +# CONFIG_CRYPTO_ECDH is not set +# CONFIG_CRYPTO_ECRDSA is not set +# CONFIG_CRYPTO_CURVE25519 is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_CHACHA20POLY1305 is not set +# CONFIG_CRYPTO_AEGIS128 is not set +# CONFIG_CRYPTO_SEQIV is not set +# CONFIG_CRYPTO_ECHAINIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CFB is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_OFB is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set +# CONFIG_CRYPTO_KEYWRAP is not set +# CONFIG_CRYPTO_ADIANTUM is not set +# CONFIG_CRYPTO_ESSIV is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_CMAC is not set +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_VMAC is not set + +# +# Digest +# +CONFIG_CRYPTO_CRC32C=y +# CONFIG_CRYPTO_CRC32 is not set +# CONFIG_CRYPTO_XXHASH is not set +# CONFIG_CRYPTO_BLAKE2B is not set +# CONFIG_CRYPTO_BLAKE2S is not set +# CONFIG_CRYPTO_CRCT10DIF is not set +# CONFIG_CRYPTO_GHASH is not set +# CONFIG_CRYPTO_POLY1305 is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MD5_PPC is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_RMD128 is not set +# CONFIG_CRYPTO_RMD160 is not set +# CONFIG_CRYPTO_RMD256 is not set +# CONFIG_CRYPTO_RMD320 is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA1_PPC is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_SHA3 is not set +# CONFIG_CRYPTO_SM3 is not set +# CONFIG_CRYPTO_STREEBOG is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_AES_TI is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_CHACHA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_SM4 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +# CONFIG_CRYPTO_842 is not set +# CONFIG_CRYPTO_LZ4 is not set +# CONFIG_CRYPTO_LZ4HC is not set +# CONFIG_CRYPTO_ZSTD is not set + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_DRBG_MENU is not set +# CONFIG_CRYPTO_JITTERENTROPY is not set + +# +# Crypto library routines +# +# CONFIG_CRYPTO_LIB_BLAKE2S is not set +# CONFIG_CRYPTO_LIB_CHACHA is not set +# CONFIG_CRYPTO_LIB_CURVE25519 is not set +CONFIG_CRYPTO_LIB_POLY1305_RSIZE=1 +# CONFIG_CRYPTO_LIB_POLY1305 is not set +# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set +# CONFIG_CRYPTO_HW is not set + +# +# Certificates for signature checking +# +# end of Certificates for signature checking + +# +# Library routines +# +# CONFIG_PACKING is not set +CONFIG_BITREVERSE=y +CONFIG_GENERIC_STRNCPY_FROM_USER=y +CONFIG_GENERIC_STRNLEN_USER=y +# CONFIG_CORDIC is not set +CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y +CONFIG_ARCH_HAS_FAST_MULTIPLIER=y +# CONFIG_CRC_CCITT is not set +CONFIG_CRC16=y +# CONFIG_CRC_T10DIF is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC32_SELFTEST is not set +CONFIG_CRC32_SLICEBY8=y +# CONFIG_CRC32_SLICEBY4 is not set +# CONFIG_CRC32_SARWATE is not set +# CONFIG_CRC32_BIT is not set +# CONFIG_CRC64 is not set +# CONFIG_CRC4 is not set +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +# CONFIG_CRC8 is not set +# CONFIG_RANDOM32_SELFTEST is not set +CONFIG_ZLIB_DEFLATE=y +CONFIG_XZ_DEC=y +# CONFIG_XZ_DEC_X86 is not set +CONFIG_XZ_DEC_POWERPC=y +# CONFIG_XZ_DEC_IA64 is not set +# CONFIG_XZ_DEC_ARM is not set +# CONFIG_XZ_DEC_ARMTHUMB is not set +# CONFIG_XZ_DEC_SPARC is not set +CONFIG_XZ_DEC_BCJ=y +# CONFIG_XZ_DEC_TEST is not set +CONFIG_DECOMPRESS_XZ=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT_MAP=y +CONFIG_HAS_DMA=y +CONFIG_NEED_SG_DMA_LENGTH=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_ARCH_DMA_ADDR_T_64BIT=y +CONFIG_DMA_DECLARE_COHERENT=y +# CONFIG_DMA_API_DEBUG is not set +CONFIG_IOMMU_HELPER=y +# CONFIG_IRQ_POLL is not set +CONFIG_LIBFDT=y +CONFIG_ARCH_HAS_PMEM_API=y +CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE=y +CONFIG_ARCH_HAS_UACCESS_MCSAFE=y +CONFIG_SBITMAP=y +# CONFIG_STRING_SELFTEST is not set +# end of Library routines + +# +# Kernel hacking +# + +# +# printk and dmesg options +# +# CONFIG_PRINTK_TIME is not set +# CONFIG_PRINTK_CALLER is not set +CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7 +CONFIG_CONSOLE_LOGLEVEL_QUIET=4 +CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4 +# CONFIG_SYMBOLIC_ERRNAME is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# end of printk and dmesg options + +# +# Compile-time checks and compiler options +# +# CONFIG_DEBUG_INFO is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_FRAME_WARN=2048 +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_READABLE_ASM is not set +# CONFIG_HEADERS_INSTALL is not set +CONFIG_OPTIMIZE_INLINING=y +# CONFIG_DEBUG_SECTION_MISMATCH is not set +CONFIG_SECTION_MISMATCH_WARN_ONLY=y +# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set +# end of Compile-time checks and compiler options + +# +# Generic Kernel Debugging Instruments +# +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_DEBUG_FS is not set +CONFIG_HAVE_ARCH_KGDB=y +# CONFIG_KGDB is not set +CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y +# CONFIG_UBSAN is not set +CONFIG_UBSAN_ALIGNMENT=y +# end of Generic Kernel Debugging Instruments + +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_MISC is not set + +# +# Memory Debugging +# +# CONFIG_PAGE_EXTENSION is not set +# CONFIG_DEBUG_PAGEALLOC is not set +# CONFIG_PAGE_OWNER is not set +# CONFIG_PAGE_POISONING is not set +# CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_STATS is not set +CONFIG_HAVE_DEBUG_KMEMLEAK=y +# CONFIG_DEBUG_KMEMLEAK is not set +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_SCHED_STACK_END_CHECK is not set +# CONFIG_DEBUG_VM is not set +CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y +# CONFIG_DEBUG_VIRTUAL is not set +# CONFIG_DEBUG_MEMORY_INIT is not set +CONFIG_HAVE_DEBUG_STACKOVERFLOW=y +# CONFIG_DEBUG_STACKOVERFLOW is not set +CONFIG_CC_HAS_KASAN_GENERIC=y +CONFIG_KASAN_STACK=1 +# end of Memory Debugging + +# CONFIG_DEBUG_SHIRQ is not set + +# +# Debug Oops, Lockups and Hangs +# +# CONFIG_PANIC_ON_OOPS is not set +CONFIG_PANIC_ON_OOPS_VALUE=0 +# CONFIG_SOFTLOCKUP_DETECTOR is not set +# CONFIG_HARDLOCKUP_DETECTOR is not set +# CONFIG_DETECT_HUNG_TASK is not set +# CONFIG_WQ_WATCHDOG is not set +# end of Debug Oops, Lockups and Hangs + +# +# Scheduler Debugging +# +# CONFIG_SCHED_DEBUG is not set +# CONFIG_SCHEDSTATS is not set +# end of Scheduler Debugging + +# CONFIG_DEBUG_TIMEKEEPING is not set + +# +# Lock Debugging (spinlocks, mutexes, etc...) +# +CONFIG_LOCK_DEBUGGING_SUPPORT=y +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set +# CONFIG_DEBUG_RWSEMS is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_DEBUG_ATOMIC_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_LOCK_TORTURE_TEST is not set +# CONFIG_WW_MUTEX_SELFTEST is not set +# end of Lock Debugging (spinlocks, mutexes, etc...) + +# CONFIG_STACKTRACE is not set +# CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set +# CONFIG_DEBUG_KOBJECT is not set + +# +# Debug kernel data structures +# +# CONFIG_DEBUG_LIST is not set +# CONFIG_DEBUG_PLIST is not set +# CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set +# CONFIG_BUG_ON_DATA_CORRUPTION is not set +# end of Debug kernel data structures + +# CONFIG_DEBUG_CREDENTIALS is not set + +# +# RCU Debugging +# +# CONFIG_RCU_PERF_TEST is not set +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_TRACE is not set +# CONFIG_RCU_EQS_DEBUG is not set +# end of RCU Debugging + +# CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set +# CONFIG_LATENCYTOP is not set +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HAVE_C_RECORDMCOUNT=y +CONFIG_TRACING_SUPPORT=y +# CONFIG_FTRACE is not set +# CONFIG_SAMPLES is not set +CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y +# CONFIG_STRICT_DEVMEM is not set + +# +# powerpc Debugging +# +CONFIG_PPC_DISABLE_WERROR=y +CONFIG_PRINT_STACK_DEPTH=64 +# CONFIG_CODE_PATCHING_SELFTEST is not set +# CONFIG_FTR_FIXUP_SELFTEST is not set +# CONFIG_MSI_BITMAP_SELFTEST is not set +# CONFIG_PPC_IRQ_SOFT_MASK_DEBUG is not set +CONFIG_XMON=y +CONFIG_XMON_DEFAULT=y +CONFIG_XMON_DISASSEMBLY=y +# CONFIG_XMON_DEFAULT_RO_MODE is not set +CONFIG_DEBUGGER=y +# CONFIG_BOOTX_TEXT is not set +CONFIG_PPC_EARLY_DEBUG=y +# CONFIG_PPC_EARLY_DEBUG_MEMCONS is not set +CONFIG_PPC_EARLY_DEBUG_MICROWATT=y +# CONFIG_PPC_FAST_ENDIAN_SWITCH is not set +# end of powerpc Debugging + +# +# Kernel Testing and Coverage +# +# CONFIG_KUNIT is not set +# CONFIG_NOTIFIER_ERROR_INJECTION is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_ARCH_HAS_KCOV=y +CONFIG_CC_HAS_SANCOV_TRACE_PC=y +# CONFIG_KCOV is not set +# CONFIG_RUNTIME_TESTING_MENU is not set +# CONFIG_MEMTEST is not set +# end of Kernel Testing and Coverage +# end of Kernel hacking diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 1f8025383caa..5b701acc6afa 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -20,6 +20,7 @@ source "arch/powerpc/platforms/embedded6xx/Kconfig" source "arch/powerpc/platforms/44x/Kconfig" source "arch/powerpc/platforms/40x/Kconfig" source "arch/powerpc/platforms/amigaone/Kconfig" +source "arch/powerpc/platforms/microwatt/Kconfig" config KVM_GUEST bool "KVM Guest support" diff --git a/arch/powerpc/platforms/Makefile b/arch/powerpc/platforms/Makefile index 143d4417f6cc..edcb54cdb1a8 100644 --- a/arch/powerpc/platforms/Makefile +++ b/arch/powerpc/platforms/Makefile @@ -22,3 +22,4 @@ obj-$(CONFIG_PPC_CELL) += cell/ obj-$(CONFIG_PPC_PS3) += ps3/ obj-$(CONFIG_EMBEDDED6xx) += embedded6xx/ obj-$(CONFIG_AMIGAONE) += amigaone/ +obj-$(CONFIG_PPC_MICROWATT) += microwatt/ diff --git a/arch/powerpc/platforms/microwatt/Kconfig b/arch/powerpc/platforms/microwatt/Kconfig new file mode 100644 index 000000000000..981f722ae9ce --- /dev/null +++ b/arch/powerpc/platforms/microwatt/Kconfig @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +config PPC_MICROWATT + depends on PPC64 && PPC_BOOK3S + bool "Microwatt SoC platform" + select PPC_XICS + select PPC_NATIVE + help + This option enables support for FPGA-based Microwatt implementations. + diff --git a/arch/powerpc/platforms/microwatt/Makefile b/arch/powerpc/platforms/microwatt/Makefile new file mode 100644 index 000000000000..e6885b3b2ee7 --- /dev/null +++ b/arch/powerpc/platforms/microwatt/Makefile @@ -0,0 +1 @@ +obj-y += setup.o diff --git a/arch/powerpc/platforms/microwatt/setup.c b/arch/powerpc/platforms/microwatt/setup.c new file mode 100644 index 000000000000..3cfc5955a6fe --- /dev/null +++ b/arch/powerpc/platforms/microwatt/setup.c @@ -0,0 +1,40 @@ +/* + * Microwatt FPGA-based SoC platform setup code. + * + * Copyright 2020 Paul Mackerras (paulus@ozlabs.org), IBM Corp. + */ + +#include +#include +#include +#include +#include +#include +#include + +static void __init microwatt_calibrate_decr(void) +{ + ppc_tb_freq = 100000000; + ppc_proc_freq = 100000000; +} + +static void __init microwatt_setup_arch(void) +{ +} + +static void __init microwatt_init_IRQ(void) +{ +} + +static int __init microwatt_probe(void) +{ + return of_machine_is_compatible("microwatt-soc"); +} + +define_machine(microwatt) { + .name = "microwatt", + .probe = microwatt_probe, + .setup_arch = microwatt_setup_arch, + .init_IRQ = microwatt_init_IRQ, + .calibrate_decr = microwatt_calibrate_decr, +}; From patchwork Sat May 9 05:03:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Mackerras X-Patchwork-Id: 1286537 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49JwDV1fmPz9sNH for ; Sat, 9 May 2020 15:07:22 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=IAt+sbGW; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49JwDV0mbwzDrB0 for ; Sat, 9 May 2020 15:07:22 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49JwBH27BczDr2p for ; Sat, 9 May 2020 15:05:27 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=IAt+sbGW; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 49JwBH09FFz9sT6; Sat, 9 May 2020 15:05:27 +1000 (AEST) Delivered-To: linuxppc-dev@ozlabs.org Received: by ozlabs.org (Postfix, from userid 1003) id 49JwBG2h18z9sSt; Sat, 9 May 2020 15:05:25 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1589000726; bh=Pb4GlTVyBO3ZbDiPQD2yApf8GXzqR8eKfxsf99d1p1U=; h=Date:From:To:Subject:References:In-Reply-To:From; b=IAt+sbGWKz4+smwgeJXmDZBQBmmRhtByXt/0HjaBwhJyZeolsMOMcORRpk583IKZ+ isNsW2bT6/JdPdwclzUqUiVpf0Jovzo+/XMCdfZc3kRxQ24xfy/3Y7J41pJWPFIMTD sHoNld8Bzik2kR+u0iVqNvNk2Rcoy4befdaSAhYNpkM4eUg6Zwxdm7TW3MWhfOMs4d z+BfD8HBJ6XwCALUFQi3nxc2Ko7D2Zblqa3kNFspMFrYVjsVckpIx82tnUsCreQ/co +Pto0su5Ht8MB5rK3bwZdzQR3Z9hHiK4alBxE3x7GZ9uzfHQcuHsoeJH48aBgY2xxC 30D0CaJ5sd30g== Date: Sat, 9 May 2020 15:03:40 +1000 From: Paul Mackerras To: linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Michael Neuling , Anton Blanchard Subject: [PATCH RFC 3/4] powerpc/microwatt: Add early debug UART support for Microwatt Message-ID: <20200509050340.GD1464954@thinks.paulus.ozlabs.org> References: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Currently microwatt-based SoCs come with a "potato" UART. This adds udbg support for the potato UART, giving us both an early debug console, and a runtime console using the hvc-udbg support. Signed-off-by: Paul Mackerras Reviewed-by: Segher Boessenkool --- arch/powerpc/Kconfig.debug | 6 ++ arch/powerpc/include/asm/udbg.h | 1 + arch/powerpc/kernel/udbg.c | 2 + arch/powerpc/platforms/microwatt/setup.c | 108 +++++++++++++++++++++++ 4 files changed, 117 insertions(+) diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index 0b063830eea8..399abc6d2af7 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -277,6 +277,12 @@ config PPC_EARLY_DEBUG_MEMCONS This console provides input and output buffers stored within the kernel BSS and should be safe to select on any system. A debugger can then be used to read kernel output or send input to the console. + +config PPC_EARLY_DEBUG_MICROWATT + bool "Microwatt potato UART" + help + Select this to enable early debugging using the potato UART + included in the Microwatt SOC. endchoice config PPC_MEMCONS_OUTPUT_SIZE diff --git a/arch/powerpc/include/asm/udbg.h b/arch/powerpc/include/asm/udbg.h index 0ea9e70ed78b..2dbd2d3b0591 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -53,6 +53,7 @@ extern void __init udbg_init_ehv_bc(void); extern void __init udbg_init_ps3gelic(void); extern void __init udbg_init_debug_opal_raw(void); extern void __init udbg_init_debug_opal_hvsi(void); +extern void __init udbg_init_debug_microwatt(void); #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UDBG_H */ diff --git a/arch/powerpc/kernel/udbg.c b/arch/powerpc/kernel/udbg.c index 01595e8cafe7..e614993021c6 100644 --- a/arch/powerpc/kernel/udbg.c +++ b/arch/powerpc/kernel/udbg.c @@ -67,6 +67,8 @@ void __init udbg_early_init(void) udbg_init_debug_opal_raw(); #elif defined(CONFIG_PPC_EARLY_DEBUG_OPAL_HVSI) udbg_init_debug_opal_hvsi(); +#elif defined(CONFIG_PPC_EARLY_DEBUG_MICROWATT) + udbg_init_debug_microwatt(); #endif #ifdef CONFIG_PPC_EARLY_DEBUG diff --git a/arch/powerpc/platforms/microwatt/setup.c b/arch/powerpc/platforms/microwatt/setup.c index 3cfc5955a6fe..a5145adeaae7 100644 --- a/arch/powerpc/platforms/microwatt/setup.c +++ b/arch/powerpc/platforms/microwatt/setup.c @@ -10,8 +10,115 @@ #include #include #include +#include +#include #include +static u64 potato_uart_base; + +#define PROC_FREQ 100000000 +#define UART_FREQ 115200 +#define UART_BASE 0xc0002000 + +#define POTATO_CONSOLE_TX 0x00 +#define POTATO_CONSOLE_RX 0x08 +#define POTATO_CONSOLE_STATUS 0x10 +#define POTATO_CONSOLE_STATUS_RX_EMPTY 0x01 +#define POTATO_CONSOLE_STATUS_TX_EMPTY 0x02 +#define POTATO_CONSOLE_STATUS_RX_FULL 0x04 +#define POTATO_CONSOLE_STATUS_TX_FULL 0x08 +#define POTATO_CONSOLE_CLOCK_DIV 0x18 +#define POTATO_CONSOLE_IRQ_EN 0x20 + +static u64 potato_uart_reg_read(int offset) +{ + u64 val, msr; + + msr = mfmsr(); + __asm__ volatile("mtmsrd %3,0; ldcix %0,%1,%2; mtmsrd %4,0" + : "=r" (val) : "b" (potato_uart_base), "r" (offset), + "r" (msr & ~MSR_DR), "r" (msr)); + + return val; +} + +static void potato_uart_reg_write(int offset, u64 val) +{ + u64 msr; + + msr = mfmsr(); + __asm__ volatile("mtmsrd %3,0; stdcix %0,%1,%2; mtmsrd %4,0" + : : "r" (val), "b" (potato_uart_base), "r" (offset), + "r" (msr & ~MSR_DR), "r" (msr)); +} + +static int potato_uart_rx_empty(void) +{ + u64 val; + + val = potato_uart_reg_read(POTATO_CONSOLE_STATUS); + + if (val & POTATO_CONSOLE_STATUS_RX_EMPTY) + return 1; + + return 0; +} + +static int potato_uart_tx_full(void) +{ + u64 val; + + val = potato_uart_reg_read(POTATO_CONSOLE_STATUS); + + if (val & POTATO_CONSOLE_STATUS_TX_FULL) + return 1; + + return 0; +} + +static int potato_uart_read(void) +{ + while (potato_uart_rx_empty()) + ; + return potato_uart_reg_read(POTATO_CONSOLE_RX); +} + +static int potato_uart_read_poll(void) +{ + if (potato_uart_rx_empty()) + return -1; + return potato_uart_reg_read(POTATO_CONSOLE_RX); +} + +static void potato_uart_write(char c) +{ + if (c == '\n') + potato_uart_write('\r'); + while (potato_uart_tx_full()) + ; + potato_uart_reg_write(POTATO_CONSOLE_TX, c); +} + +static unsigned long potato_uart_divisor(unsigned long proc_freq, unsigned long uart_freq) +{ + return proc_freq / (uart_freq * 16) - 1; +} + +void potato_uart_init(void) +{ + potato_uart_base = UART_BASE; + + potato_uart_reg_write(POTATO_CONSOLE_CLOCK_DIV, potato_uart_divisor(PROC_FREQ, UART_FREQ)); +} + +void udbg_init_debug_microwatt(void) +{ + potato_uart_init(); + udbg_putc = potato_uart_write; + udbg_getc = potato_uart_read; + udbg_getc_poll = potato_uart_read_poll; +} + static void __init microwatt_calibrate_decr(void) { ppc_tb_freq = 100000000; @@ -36,5 +143,6 @@ define_machine(microwatt) { .probe = microwatt_probe, .setup_arch = microwatt_setup_arch, .init_IRQ = microwatt_init_IRQ, + .progress = udbg_progress, .calibrate_decr = microwatt_calibrate_decr, }; From patchwork Sat May 9 05:04:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Mackerras X-Patchwork-Id: 1286538 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49JwGW16HVz9sNH for ; Sat, 9 May 2020 15:09:07 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=DuZlKqg2; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49JwGV6mgRzDr9W for ; Sat, 9 May 2020 15:09:06 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49JwBH0BZVzDr2j for ; Sat, 9 May 2020 15:05:27 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=ozlabs.org header.i=@ozlabs.org header.a=rsa-sha256 header.s=201707 header.b=DuZlKqg2; dkim-atps=neutral Received: by ozlabs.org (Postfix) id 49JwBG0fDmz9sSw; Sat, 9 May 2020 15:05:26 +1000 (AEST) Delivered-To: linuxppc-dev@ozlabs.org Received: by ozlabs.org (Postfix, from userid 1003) id 49JwBF6m7vz9sSd; Sat, 9 May 2020 15:05:25 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ozlabs.org; s=201707; t=1589000725; bh=CgqWOopARLNmzAEolaS/Q8u0NdxFknua08nLGGSI4u0=; h=Date:From:To:Subject:References:In-Reply-To:From; b=DuZlKqg2l6cMwds9tVqxIx4CPhOqlx9KQC0l5Gb+qWoEVseDhASr9olu0yEH2Hf94 7Js48VaVffw8OG7cF0Iqr4ry2DR9zHBET70lb5ltZnyATuxss0wHMzeF2fuUdqf0wd fMwLjzVsK8d/Yj4aIR04sru3e5xgpkCAzbEgNBxIRtEQwfrUdkA2cAGk8IWw2DScvt siH6wq5uAEIaVLLIsbnx6HsA1rouKBN64aKfsXo8eEHUURB0NVT3Aah5QdaipA/NgD MoGapl9qFGvFfxxENTBq676a8Z7uYEA3WxiMb4u3cLQVxda2PVfQ9/AHpS55Jj1mXj 6iUXms5sWaTOg== Date: Sat, 9 May 2020 15:04:58 +1000 From: Paul Mackerras To: linuxppc-dev@ozlabs.org, Benjamin Herrenschmidt , Michael Neuling , Anton Blanchard Subject: [PATCH RFC 4/4] powerpc/radix: Add support for microwatt's PRTBL SPR Message-ID: <20200509050458.GE1464954@thinks.paulus.ozlabs.org> References: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200509050103.GA1464954@thinks.paulus.ozlabs.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Microwatt currently doesn't implement hypervisor mode and therefore doesn't implement the partition table. It does implement the process table and radix page table walks. This adds code to write the base address of the process table to the PRTBL SPR, which has been assigned SPR 720 for now, as that is in the range of SPR numbers assigned for experimental use. PRTBL is only written when we have neither the FW_FEATURE_LPAR feature nor the CPU_FTR_HVMODE feature. Signed-off-by: Paul Mackerras --- arch/powerpc/include/asm/reg.h | 1 + arch/powerpc/mm/book3s64/radix_pgtable.c | 13 +++++++++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 1aa46dff0957..6ea3fc42740d 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -721,6 +721,7 @@ #endif #define SPRN_TIR 0x1BE /* Thread Identification Register */ #define SPRN_PTCR 0x1D0 /* Partition table control Register */ +#define SPRN_PRTBL 0x2D0 /* Process table pointer */ #define SPRN_PSPB 0x09F /* Problem State Priority Boost reg */ #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index dd1bea45325c..2e6a376c9d82 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -600,10 +600,15 @@ void __init radix__early_init_mmu(void) radix_init_pgtable(); if (!firmware_has_feature(FW_FEATURE_LPAR)) { - lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); - radix_init_partition_table(); - radix_init_amor(); + if (cpu_has_feature(CPU_FTR_HVMODE)) { + lpcr = mfspr(SPRN_LPCR); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); + radix_init_partition_table(); + radix_init_amor(); + } else { + mtspr(SPRN_PRTBL, (__pa(process_tb) | + (PRTB_SIZE_SHIFT - 12))); + } } else { radix_init_pseries(); }