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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /arch/sh/Kconfig
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'arch/sh/Kconfig')
-rw-r--r--arch/sh/Kconfig793
1 files changed, 793 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
new file mode 100644
index 000000000..0665ac0ad
--- /dev/null
+++ b/arch/sh/Kconfig
@@ -0,0 +1,793 @@
+# SPDX-License-Identifier: GPL-2.0
+config SUPERH
+ def_bool y
+ select ARCH_32BIT_OFF_T
+ select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM && MMU
+ select ARCH_ENABLE_MEMORY_HOTREMOVE if SPARSEMEM && MMU
+ select ARCH_HAVE_CUSTOM_GPIO_H
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
+ select ARCH_HAS_BINFMT_FLAT if !MMU
+ select ARCH_HAS_CURRENT_STACK_POINTER
+ select ARCH_HAS_GIGANTIC_PAGE
+ select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_PTE_SPECIAL
+ select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
+ select ARCH_HIBERNATION_POSSIBLE if MMU
+ select ARCH_MIGHT_HAVE_PC_PARPORT
+ select ARCH_WANT_IPC_PARSE_VERSION
+ select CPU_NO_EFFICIENT_FFS
+ select DMA_DECLARE_COHERENT
+ select GENERIC_ATOMIC64
+ select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
+ select GENERIC_IDLE_POLL_SETUP
+ select GENERIC_IRQ_SHOW
+ select GENERIC_PCI_IOMAP if PCI
+ select GENERIC_SCHED_CLOCK
+ select GENERIC_SMP_IDLE_THREAD
+ select GUP_GET_PXX_LOW_HIGH if X2TLB
+ select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_KGDB
+ select HAVE_ARCH_SECCOMP_FILTER
+ select HAVE_ARCH_TRACEHOOK
+ select HAVE_DEBUG_BUGVERBOSE
+ select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FAST_GUP if MMU
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_HW_BREAKPOINT
+ select HAVE_IOREMAP_PROT if MMU && !X2TLB
+ select HAVE_KERNEL_BZIP2
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_LZMA
+ select HAVE_KERNEL_LZO
+ select HAVE_KERNEL_XZ
+ select HAVE_KPROBES
+ select HAVE_KRETPROBES
+ select HAVE_MIXED_BREAKPOINTS_REGS
+ select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
+ select HAVE_NMI
+ select HAVE_PATA_PLATFORM
+ select HAVE_PERF_EVENTS
+ select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_UID16
+ select HAVE_SOFTIRQ_ON_OWN_STACK if IRQSTACKS
+ select HAVE_STACKPROTECTOR
+ select HAVE_SYSCALL_TRACEPOINTS
+ select IRQ_FORCED_THREADING
+ select MODULES_USE_ELF_RELA
+ select NEED_SG_DMA_LENGTH
+ select NO_DMA if !MMU && !DMA_COHERENT
+ select NO_GENERIC_PCI_IOPORT_MAP if PCI
+ select OLD_SIGACTION
+ select OLD_SIGSUSPEND
+ select PCI_DOMAINS if PCI
+ select PERF_EVENTS
+ select PERF_USE_VMALLOC
+ select RTC_LIB
+ select SPARSE_IRQ
+ select TRACE_IRQFLAGS_SUPPORT
+ help
+ The SuperH is a RISC processor targeted for use in embedded systems
+ and consumer electronics; it was also used in the Sega Dreamcast
+ gaming console. The SuperH port has a home page at
+ <http://www.linux-sh.org/>.
+
+config GENERIC_BUG
+ def_bool y
+ depends on BUG
+
+config GENERIC_HWEIGHT
+ def_bool y
+
+config GENERIC_CALIBRATE_DELAY
+ bool
+
+config GENERIC_LOCKBREAK
+ def_bool y
+ depends on SMP && PREEMPTION
+
+config ARCH_SUSPEND_POSSIBLE
+ def_bool n
+
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool n
+
+config SYS_SUPPORTS_APM_EMULATION
+ bool
+ select ARCH_SUSPEND_POSSIBLE
+
+config SYS_SUPPORTS_SMP
+ bool
+
+config SYS_SUPPORTS_NUMA
+ bool
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+config LOCKDEP_SUPPORT
+ def_bool y
+
+config ARCH_HAS_ILOG2_U32
+ def_bool n
+
+config ARCH_HAS_ILOG2_U64
+ def_bool n
+
+config NO_IOPORT_MAP
+ def_bool !PCI
+ depends on !SH_SH4202_MICRODEV && !SH_SHMIN && !SH_HP6XX && \
+ !SH_SOLUTION_ENGINE
+
+config IO_TRAPPED
+ bool
+
+config SWAP_IO_SPACE
+ bool
+
+config DMA_COHERENT
+ bool
+
+config DMA_NONCOHERENT
+ def_bool !NO_DMA && !DMA_COHERENT
+ select ARCH_HAS_DMA_PREP_COHERENT
+ select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+ select DMA_DIRECT_REMAP
+
+config PGTABLE_LEVELS
+ default 3 if X2TLB
+ default 2
+
+menu "System type"
+
+#
+# Processor families
+#
+config CPU_SH2
+ bool
+ select SH_INTC
+
+config CPU_SH2A
+ bool
+ select CPU_SH2
+ select UNCACHED_MAPPING
+
+config CPU_J2
+ bool
+ select CPU_SH2
+ select OF
+ select OF_EARLY_FLATTREE
+
+config CPU_SH3
+ bool
+ select CPU_HAS_INTEVT
+ select CPU_HAS_SR_RB
+ select SH_INTC
+ select SYS_SUPPORTS_SH_TMU
+
+config CPU_SH4
+ bool
+ select ARCH_SUPPORTS_HUGETLBFS if MMU
+ select CPU_HAS_INTEVT
+ select CPU_HAS_SR_RB
+ select CPU_HAS_FPU if !CPU_SH4AL_DSP
+ select SH_INTC
+ select SYS_SUPPORTS_SH_TMU
+
+config CPU_SH4A
+ bool
+ select CPU_SH4
+
+config CPU_SH4AL_DSP
+ bool
+ select CPU_SH4A
+ select CPU_HAS_DSP
+
+config CPU_SHX2
+ bool
+
+config CPU_SHX3
+ bool
+ select DMA_COHERENT
+ select SYS_SUPPORTS_SMP
+ select SYS_SUPPORTS_NUMA
+
+config ARCH_SHMOBILE
+ bool
+ select ARCH_SUSPEND_POSSIBLE
+ select PM
+
+config CPU_HAS_PMU
+ depends on CPU_SH4 || CPU_SH4A
+ default y
+ bool
+
+choice
+ prompt "Processor sub-type selection"
+
+#
+# Processor subtypes
+#
+
+# SH-2 Processor Support
+
+config CPU_SUBTYPE_SH7619
+ bool "Support SH7619 processor"
+ select CPU_SH2
+ select SYS_SUPPORTS_SH_CMT
+
+config CPU_SUBTYPE_J2
+ bool "Support J2 processor"
+ select CPU_J2
+ select SYS_SUPPORTS_SMP
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+
+# SH-2A Processor Support
+
+config CPU_SUBTYPE_SH7201
+ bool "Support SH7201 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_SH_MTU2
+
+config CPU_SUBTYPE_SH7203
+ bool "Support SH7203 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_MTU2
+ select PINCTRL
+
+config CPU_SUBTYPE_SH7206
+ bool "Support SH7206 processor"
+ select CPU_SH2A
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_MTU2
+
+config CPU_SUBTYPE_SH7263
+ bool "Support SH7263 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_MTU2
+
+config CPU_SUBTYPE_SH7264
+ bool "Support SH7264 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_MTU2
+ select PINCTRL
+
+config CPU_SUBTYPE_SH7269
+ bool "Support SH7269 processor"
+ select CPU_SH2A
+ select CPU_HAS_FPU
+ select SYS_SUPPORTS_SH_CMT
+ select SYS_SUPPORTS_SH_MTU2
+ select PINCTRL
+
+config CPU_SUBTYPE_MXG
+ bool "Support MX-G processor"
+ select CPU_SH2A
+ select SYS_SUPPORTS_SH_MTU2
+ help
+ Select MX-G if running on an R8A03022BG part.
+
+# SH-3 Processor Support
+
+config CPU_SUBTYPE_SH7705
+ bool "Support SH7705 processor"
+ select CPU_SH3
+
+config CPU_SUBTYPE_SH7706
+ bool "Support SH7706 processor"
+ select CPU_SH3
+ help
+ Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
+
+config CPU_SUBTYPE_SH7707
+ bool "Support SH7707 processor"
+ select CPU_SH3
+ help
+ Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
+
+config CPU_SUBTYPE_SH7708
+ bool "Support SH7708 processor"
+ select CPU_SH3
+ help
+ Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
+ if you have a 100 Mhz SH-3 HD6417708R CPU.
+
+config CPU_SUBTYPE_SH7709
+ bool "Support SH7709 processor"
+ select CPU_SH3
+ help
+ Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
+
+config CPU_SUBTYPE_SH7710
+ bool "Support SH7710 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ help
+ Select SH7710 if you have a SH3-DSP SH7710 CPU.
+
+config CPU_SUBTYPE_SH7712
+ bool "Support SH7712 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ help
+ Select SH7712 if you have a SH3-DSP SH7712 CPU.
+
+config CPU_SUBTYPE_SH7720
+ bool "Support SH7720 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ select SYS_SUPPORTS_SH_CMT
+ select USB_OHCI_SH if USB_OHCI_HCD
+ select PINCTRL
+ help
+ Select SH7720 if you have a SH3-DSP SH7720 CPU.
+
+config CPU_SUBTYPE_SH7721
+ bool "Support SH7721 processor"
+ select CPU_SH3
+ select CPU_HAS_DSP
+ select SYS_SUPPORTS_SH_CMT
+ select USB_OHCI_SH if USB_OHCI_HCD
+ help
+ Select SH7721 if you have a SH3-DSP SH7721 CPU.
+
+# SH-4 Processor Support
+
+config CPU_SUBTYPE_SH7750
+ bool "Support SH7750 processor"
+ select CPU_SH4
+ help
+ Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
+
+config CPU_SUBTYPE_SH7091
+ bool "Support SH7091 processor"
+ select CPU_SH4
+ help
+ Select SH7091 if you have an SH-4 based Sega device (such as
+ the Dreamcast, Naomi, and Naomi 2).
+
+config CPU_SUBTYPE_SH7750R
+ bool "Support SH7750R processor"
+ select CPU_SH4
+
+config CPU_SUBTYPE_SH7750S
+ bool "Support SH7750S processor"
+ select CPU_SH4
+
+config CPU_SUBTYPE_SH7751
+ bool "Support SH7751 processor"
+ select CPU_SH4
+ help
+ Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
+ or if you have a HD6417751R CPU.
+
+config CPU_SUBTYPE_SH7751R
+ bool "Support SH7751R processor"
+ select CPU_SH4
+
+config CPU_SUBTYPE_SH7760
+ bool "Support SH7760 processor"
+ select CPU_SH4
+
+config CPU_SUBTYPE_SH4_202
+ bool "Support SH4-202 processor"
+ select CPU_SH4
+
+# SH-4A Processor Support
+
+config CPU_SUBTYPE_SH7723
+ bool "Support SH7723 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_SH_CMT
+ select PINCTRL
+ help
+ Select SH7723 if you have an SH-MobileR2 CPU.
+
+config CPU_SUBTYPE_SH7724
+ bool "Support SH7724 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_SH_CMT
+ select PINCTRL
+ help
+ Select SH7724 if you have an SH-MobileR2R CPU.
+
+config CPU_SUBTYPE_SH7734
+ bool "Support SH7734 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select PINCTRL
+ help
+ Select SH7734 if you have a SH4A SH7734 CPU.
+
+config CPU_SUBTYPE_SH7757
+ bool "Support SH7757 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select PINCTRL
+ help
+ Select SH7757 if you have a SH4A SH7757 CPU.
+
+config CPU_SUBTYPE_SH7763
+ bool "Support SH7763 processor"
+ select CPU_SH4A
+ select USB_OHCI_SH if USB_OHCI_HCD
+ help
+ Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
+
+config CPU_SUBTYPE_SH7770
+ bool "Support SH7770 processor"
+ select CPU_SH4A
+
+config CPU_SUBTYPE_SH7780
+ bool "Support SH7780 processor"
+ select CPU_SH4A
+
+config CPU_SUBTYPE_SH7785
+ bool "Support SH7785 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select PINCTRL
+
+config CPU_SUBTYPE_SH7786
+ bool "Support SH7786 processor"
+ select CPU_SH4A
+ select CPU_SHX3
+ select CPU_HAS_PTEAEX
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select USB_OHCI_SH if USB_OHCI_HCD
+ select USB_EHCI_SH if USB_EHCI_HCD
+ select PINCTRL
+
+config CPU_SUBTYPE_SHX3
+ bool "Support SH-X3 processor"
+ select CPU_SH4A
+ select CPU_SHX3
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select GPIOLIB
+ select PINCTRL
+
+# SH4AL-DSP Processor Support
+
+config CPU_SUBTYPE_SH7343
+ bool "Support SH7343 processor"
+ select CPU_SH4AL_DSP
+ select ARCH_SHMOBILE
+ select SYS_SUPPORTS_SH_CMT
+
+config CPU_SUBTYPE_SH7722
+ bool "Support SH7722 processor"
+ select CPU_SH4AL_DSP
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_SH_CMT
+ select PINCTRL
+
+config CPU_SUBTYPE_SH7366
+ bool "Support SH7366 processor"
+ select CPU_SH4AL_DSP
+ select CPU_SHX2
+ select ARCH_SHMOBILE
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
+ select SYS_SUPPORTS_SH_CMT
+
+endchoice
+
+source "arch/sh/mm/Kconfig"
+
+source "arch/sh/Kconfig.cpu"
+
+source "arch/sh/boards/Kconfig"
+
+menu "Timer and clock configuration"
+
+config SH_PCLK_FREQ
+ int "Peripheral clock frequency (in Hz)"
+ depends on SH_CLK_CPG_LEGACY
+ default "31250000" if CPU_SUBTYPE_SH7619
+ default "33333333" if CPU_SUBTYPE_SH7770 || \
+ CPU_SUBTYPE_SH7760 || \
+ CPU_SUBTYPE_SH7705 || \
+ CPU_SUBTYPE_SH7203 || \
+ CPU_SUBTYPE_SH7206 || \
+ CPU_SUBTYPE_SH7263 || \
+ CPU_SUBTYPE_MXG
+ default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
+ default "66000000" if CPU_SUBTYPE_SH4_202
+ default "50000000"
+ help
+ This option is used to specify the peripheral clock frequency.
+ This is necessary for determining the reference clock value on
+ platforms lacking an RTC.
+
+config SH_CLK_CPG
+ def_bool y
+
+config SH_CLK_CPG_LEGACY
+ depends on SH_CLK_CPG
+ def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
+ !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
+ !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
+ !CPU_SUBTYPE_SH7269
+
+endmenu
+
+menu "CPU Frequency scaling"
+source "drivers/cpufreq/Kconfig"
+endmenu
+
+source "arch/sh/drivers/Kconfig"
+
+endmenu
+
+menu "Kernel features"
+
+source "kernel/Kconfig.hz"
+
+config KEXEC
+ bool "kexec system call (EXPERIMENTAL)"
+ depends on MMU
+ select KEXEC_CORE
+ help
+ kexec is a system call that implements the ability to shutdown your
+ current kernel, and to start another kernel. It is like a reboot
+ but it is independent of the system firmware. And like a reboot
+ you can start any kernel with it, not just Linux.
+
+ The name comes from the similarity to the exec system call.
+
+ It is an ongoing process to be certain the hardware in a machine
+ is properly shutdown, so do not be surprised if this code does not
+ initially work for you. As of this writing the exact hardware
+ interface is strongly in flux, so no good recommendation can be
+ made.
+
+config CRASH_DUMP
+ bool "kernel crash dumps (EXPERIMENTAL)"
+ depends on BROKEN_ON_SMP
+ help
+ Generate crash dump after being started by kexec.
+ This should be normally only set in special crash dump kernels
+ which are loaded in the main kernel with kexec-tools into
+ a specially reserved region and then later executed after
+ a crash by kdump/kexec. The crash dump kernel must be compiled
+ to a memory address not used by the main kernel using
+ PHYSICAL_START.
+
+ For more details see Documentation/admin-guide/kdump/kdump.rst
+
+config KEXEC_JUMP
+ bool "kexec jump (EXPERIMENTAL)"
+ depends on KEXEC && HIBERNATION
+ help
+ Jump between original kernel and kexeced kernel and invoke
+ code via KEXEC
+
+config PHYSICAL_START
+ hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
+ default MEMORY_START
+ help
+ This gives the physical address where the kernel is loaded
+ and is ordinarily the same as MEMORY_START.
+
+ Different values are primarily used in the case of kexec on panic
+ where the fail safe kernel needs to run at a different address
+ than the panic-ed kernel.
+
+config SMP
+ bool "Symmetric multi-processing support"
+ depends on SYS_SUPPORTS_SMP
+ help
+ This enables support for systems with more than one CPU. If you have
+ a system with only one CPU, say N. If you have a system with more
+ than one CPU, say Y.
+
+ If you say N here, the kernel will run on uni- and multiprocessor
+ machines, but will use only one CPU of a multiprocessor machine. If
+ you say Y here, the kernel will run on many, but not all,
+ uniprocessor machines. On a uniprocessor machine, the kernel
+ will run faster if you say N here.
+
+ People using multiprocessor machines who say Y here should also say
+ Y to "Enhanced Real Time Clock Support", below.
+
+ See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
+ available at <https://www.tldp.org/docs.html#howto>.
+
+ If you don't know what to do here, say N.
+
+config NR_CPUS
+ int "Maximum number of CPUs (2-32)"
+ range 2 32
+ depends on SMP
+ default "4" if CPU_SUBTYPE_SHX3
+ default "2"
+ help
+ This allows you to specify the maximum number of CPUs which this
+ kernel will support. The maximum supported value is 32 and the
+ minimum value which makes sense is 2.
+
+ This is purely to save memory - each supported CPU adds
+ approximately eight kilobytes to the kernel image.
+
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+ depends on SMP
+ help
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu.
+
+config GUSA
+ def_bool y
+ depends on !SMP
+ help
+ This enables support for gUSA (general UserSpace Atomicity).
+ This is the default implementation for both UP and non-ll/sc
+ CPUs, and is used by the libc, amongst others.
+
+ For additional information, design information can be found
+ in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
+
+ This should only be disabled for special cases where alternate
+ atomicity implementations exist.
+
+config GUSA_RB
+ bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
+ depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
+ help
+ Enabling this option will allow the kernel to implement some
+ atomic operations using a software implementation of load-locked/
+ store-conditional (LLSC). On machines which do not have hardware
+ LLSC, this should be more efficient than the other alternative of
+ disabling interrupts around the atomic sequence.
+
+config HW_PERF_EVENTS
+ bool "Enable hardware performance counter support for perf events"
+ depends on PERF_EVENTS && CPU_HAS_PMU
+ default y
+ help
+ Enable hardware performance counter support for perf events. If
+ disabled, perf events will use software events only.
+
+source "drivers/sh/Kconfig"
+
+endmenu
+
+menu "Boot options"
+
+config USE_BUILTIN_DTB
+ bool "Use builtin DTB"
+ default n
+ depends on SH_DEVICE_TREE
+ help
+ Link a device tree blob for particular hardware into the kernel,
+ suppressing use of the DTB pointer provided by the bootloader.
+ This option should only be used with legacy bootloaders that are
+ not capable of providing a DTB to the kernel, or for experimental
+ hardware without stable device tree bindings.
+
+config BUILTIN_DTB_SOURCE
+ string "Source file for builtin DTB"
+ default ""
+ depends on USE_BUILTIN_DTB
+ help
+ Base name (without suffix, relative to arch/sh/boot/dts) for the
+ a DTS file that will be used to produce the DTB linked into the
+ kernel.
+
+config ZERO_PAGE_OFFSET
+ hex
+ default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
+ SH_7751_SOLUTION_ENGINE
+ default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
+ default "0x00002000" if PAGE_SIZE_8KB
+ default "0x00001000"
+ help
+ This sets the default offset of zero page.
+
+config BOOT_LINK_OFFSET
+ hex
+ default "0x00210000" if SH_SHMIN
+ default "0x00810000" if SH_7780_SOLUTION_ENGINE
+ default "0x009e0000" if SH_TITAN
+ default "0x01800000" if SH_SDK7780
+ default "0x02000000" if SH_EDOSK7760
+ default "0x00800000"
+ help
+ This option allows you to set the link address offset of the zImage.
+ This can be useful if you are on a board which has a small amount of
+ memory.
+
+config ENTRY_OFFSET
+ hex
+ default "0x00001000" if PAGE_SIZE_4KB
+ default "0x00002000" if PAGE_SIZE_8KB
+ default "0x00004000" if PAGE_SIZE_16KB
+ default "0x00010000" if PAGE_SIZE_64KB
+ default "0x00000000"
+
+config ROMIMAGE_MMCIF
+ bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
+ depends on CPU_SUBTYPE_SH7724
+ help
+ Say Y here to include experimental MMCIF loading code in
+ romImage. With this enabled it is possible to write the romImage
+ kernel image to an MMC card and boot the kernel straight from
+ the reset vector. At reset the processor Mask ROM will load the
+ first part of the romImage which in turn loads the rest the kernel
+ image to RAM using the MMCIF hardware block.
+
+choice
+ prompt "Kernel command line"
+ optional
+ default CMDLINE_OVERWRITE
+ help
+ Setting this option allows the kernel command line arguments
+ to be set.
+
+config CMDLINE_OVERWRITE
+ bool "Overwrite bootloader kernel arguments"
+ help
+ Given string will overwrite any arguments passed in by
+ a bootloader.
+
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ Given string will be concatenated with arguments passed in
+ by a bootloader.
+
+endchoice
+
+config CMDLINE
+ string "Kernel command line arguments string"
+ depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
+ default "console=ttySC1,115200"
+
+endmenu
+
+menu "Bus options"
+
+config SUPERHYWAY
+ tristate "SuperHyway Bus support"
+ depends on CPU_SUBTYPE_SH4_202
+
+config MAPLE
+ bool "Maple Bus support"
+ depends on SH_DREAMCAST
+ help
+ The Maple Bus is SEGA's serial communication bus for peripherals
+ on the Dreamcast. Without this bus support you won't be able to
+ get your Dreamcast keyboard etc to work, so most users
+ probably want to say 'Y' here, unless you are only using the
+ Dreamcast with a serial line terminal or a remote network
+ connection.
+
+endmenu
+
+menu "Power management options (EXPERIMENTAL)"
+
+source "kernel/power/Kconfig"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu