1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2761b6026SBastian Blankconfig 64BIT 3104daea1SMasahiro Yamada bool "64-bit kernel" if "$(ARCH)" = "sparc" 4104daea1SMasahiro Yamada default "$(ARCH)" = "sparc64" 5761b6026SBastian Blank help 6761b6026SBastian Blank SPARC is a family of RISC microprocessors designed and marketed by 7761b6026SBastian Blank Sun Microsystems, incorporated. They are very widely found in Sun 8761b6026SBastian Blank workstations and clones. 9761b6026SBastian Blank 10761b6026SBastian Blank Say yes to build a 64-bit kernel - formerly known as sparc64 11761b6026SBastian Blank Say no to build a 32-bit kernel - formerly known as sparc 12761b6026SBastian Blank 1335da3e39SSam Ravnborgconfig SPARC 1435da3e39SSam Ravnborg bool 1535da3e39SSam Ravnborg default y 168690bbcfSMathieu Desnoyers select ARCH_HAS_CPU_CACHE_ALIASING 17de6c85bfSChristoph Hellwig select ARCH_HAS_DMA_OPS 18ff649a6fSMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI 19a5252c28SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 207b14c647SStephen Rothwell select OF 213cfc535cSAndres Salomon select OF_PROMTREE 222ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 2326b4c912SSam Ravnborg select HAVE_ARCH_KGDB if !SMP || SPARC64 2435da3e39SSam Ravnborg select HAVE_ARCH_TRACEHOOK 25282a181bSYiFei Zhu select HAVE_ARCH_SECCOMP if SPARC64 265f56a5dfSJiri Slaby select HAVE_EXIT_THREAD 27eb01d42aSChristoph Hellwig select HAVE_PCI 287ac57a89SCatalin Marinas select SYSCTL_EXCEPTION_TRACE 2935da3e39SSam Ravnborg select RTC_CLASS 3035da3e39SSam Ravnborg select RTC_DRV_M48T59 31460ea8d7SXunlei Pang select RTC_SYSTOHC 324f6500ffSPaul Gortmaker select HAVE_ARCH_JUMP_LABEL if SPARC64 336baa9b20SSam Ravnborg select GENERIC_IRQ_SHOW 34c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 35a21a2fd4SMichael S. Tsirkin select GENERIC_PCI_IOMAP 36fcbfe812SNiklas Schnelle select HAS_IOPORT 37a5fcc236SPetr Mladek select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64 387a12b503SDavid S. Miller select HAVE_CBPF_JIT if SPARC32 397a12b503SDavid S. Miller select HAVE_EBPF_JIT if SPARC64 409b2a60c4SCatalin Marinas select HAVE_DEBUG_BUGVERBOSE 41f0a2bc7eSThomas Gleixner select GENERIC_SMP_IDLE_THREAD 42786d35d4SDavid Howells select MODULES_USE_ELF_RELA 4320f1b79dSChristoph Hellwig select PCI_SYSCALL if PCI 44981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 45eaca6eaeSAl Viro select ODD_RT_SIGACTION 4652ad6b3fSAl Viro select OLD_SIGSUSPEND 47fff7fb0bSZhaoxiu Zeng select CPU_NO_EFFICIENT_FFS 48395102dbSDaniel Jordan select LOCKDEP_SMALL if LOCKDEP 49f616ab59SChristoph Hellwig select NEED_DMA_MAP_STATE 5086596f0aSChristoph Hellwig select NEED_SG_DMA_LENGTH 514aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 5235da3e39SSam Ravnborg 5335da3e39SSam Ravnborgconfig SPARC32 54761b6026SBastian Blank def_bool !64BIT 55942fa985SYury Norov select ARCH_32BIT_OFF_T 5644ade508SThomas Gleixner select ARCH_HAS_CPU_FINALIZE_INIT if !SMP 57dfaad39cSChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU 58c6df4b17SDavid Miller select CLZ_TAB 597d6db80bSChristoph Hellwig select DMA_DIRECT_REMAP 607d6db80bSChristoph Hellwig select GENERIC_ATOMIC64 61802a8874SSam Ravnborg select GENERIC_LIB_CMPDI2 62802a8874SSam Ravnborg select GENERIC_LIB_UCMPDI2 63af1839ebSCatalin Marinas select HAVE_UID16 645394f1e9SArnd Bergmann select HAVE_PAGE_SIZE_4KB 65a050ba1eSLinus Torvalds select LOCK_MM_AND_FIND_VMA 66a274bd49SAl Viro select OLD_SIGACTION 6763703f37SKefeng Wang select ZONE_DMA 6835da3e39SSam Ravnborg 6926b4c912SSam Ravnborgconfig SPARC64 70761b6026SBastian Blank def_bool 64BIT 7112700c17SArnd Bergmann select ALTERNATE_USER_ADDRESS_SPACE 7226b4c912SSam Ravnborg select HAVE_FUNCTION_TRACER 739960e9e8SDavid S. Miller select HAVE_FUNCTION_GRAPH_TRACER 7426b4c912SSam Ravnborg select HAVE_KRETPROBES 7526b4c912SSam Ravnborg select HAVE_KPROBES 76ff2e6d72SPeter Zijlstra select MMU_GATHER_RCU_TABLE_FREE if SMP 771e9fdf21SPeter Zijlstra select MMU_GATHER_MERGE_VMAS 781e9fdf21SPeter Zijlstra select MMU_GATHER_NO_FLUSH_CACHE 79b9156ebbSDavid S. Miller select HAVE_ARCH_TRANSPARENT_HUGEPAGE 809be12f9bSDavid S. Miller select HAVE_DYNAMIC_FTRACE 819be12f9bSDavid S. Miller select HAVE_FTRACE_MCOUNT_RECORD 825394f1e9SArnd Bergmann select HAVE_PAGE_SIZE_8KB 83c658ad1bSDavid S. Miller select HAVE_SYSCALL_TRACEPOINTS 8424a9c541SFrederic Weisbecker select HAVE_CONTEXT_TRACKING_USER 85490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 86b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 87a4ce5a48SChristoph Hellwig select IOMMU_HELPER 88ee6a9333Sbob picco select SPARSE_IRQ 8926b4c912SSam Ravnborg select RTC_DRV_CMOS 9026b4c912SSam Ravnborg select RTC_DRV_BQ4802 9126b4c912SSam Ravnborg select RTC_DRV_SUN4V 9226b4c912SSam Ravnborg select RTC_DRV_STARFIRE 93cdd6c482SIngo Molnar select HAVE_PERF_EVENTS 94906010b2SPeter Zijlstra select PERF_USE_VMALLOC 95df013ffbSHuang Ying select ARCH_HAVE_NMI_SAFE_CMPXCHG 96178a2960SDavid S. Miller select HAVE_C_RECORDMCOUNT 977a017721SAKASHI Takahiro select HAVE_ARCH_AUDITSYSCALL 984badad35SPeter Zijlstra select ARCH_SUPPORTS_ATOMIC_RMW 995d6ad668SMike Rapoport select ARCH_SUPPORTS_DEBUG_PAGEALLOC 10042a0bb3fSPetr Mladek select HAVE_NMI 101b7c02b73SDavid S. Miller select HAVE_REGS_AND_STACK_ACCESS_API 102a37594f1SBabu Moger select ARCH_USE_QUEUED_RWLOCKS 103145d9785SBabu Moger select ARCH_USE_QUEUED_SPINLOCKS 1049a08862aSNagarathnam Muthusamy select GENERIC_TIME_VSYSCALL 1059a08862aSNagarathnam Muthusamy select ARCH_CLOCKSOURCE_DATA 1063010a5eaSLaurent Dufour select ARCH_HAS_PTE_SPECIAL 1072eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 1084eb0716eSAlexandre Ghiti select ARCH_HAS_GIGANTIC_PAGE 109cd1a41ceSThomas Gleixner select HAVE_SOFTIRQ_ON_OWN_STACK 1107ecd19cfSKefeng Wang select HAVE_SETUP_PER_CPU_AREA 1117ecd19cfSKefeng Wang select NEED_PER_CPU_EMBED_FIRST_CHUNK 1127ecd19cfSKefeng Wang select NEED_PER_CPU_PAGE_FIRST_CHUNK 113*0f60a8acSEric Biggers select ARCH_HAS_CRC32 11426b4c912SSam Ravnborg 1153c08158eSDavid S. Millerconfig ARCH_PROC_KCORE_TEXT 1163c08158eSDavid S. Miller def_bool y 1173c08158eSDavid S. Miller 11897d9f969SBabu Mogerconfig CPU_BIG_ENDIAN 11997d9f969SBabu Moger def_bool y 12097d9f969SBabu Moger 12126b4c912SSam Ravnborgconfig STACKTRACE_SUPPORT 12226b4c912SSam Ravnborg bool 12326b4c912SSam Ravnborg default y if SPARC64 12426b4c912SSam Ravnborg 12526b4c912SSam Ravnborgconfig LOCKDEP_SUPPORT 12626b4c912SSam Ravnborg bool 12726b4c912SSam Ravnborg default y if SPARC64 12826b4c912SSam Ravnborg 129bdde6b3cSTkhai Kirillconfig ARCH_HIBERNATION_POSSIBLE 130bdde6b3cSTkhai Kirill def_bool y if SPARC64 131bdde6b3cSTkhai Kirill 13226b4c912SSam Ravnborgconfig AUDIT_ARCH 13326b4c912SSam Ravnborg bool 1347e7e93a2SDavid S. Miller default y 13526b4c912SSam Ravnborg 1361da177e4SLinus Torvaldsconfig MMU 1371da177e4SLinus Torvalds bool 1381da177e4SLinus Torvalds default y 1391da177e4SLinus Torvalds 1401da177e4SLinus Torvaldsconfig HIGHMEM 1411da177e4SLinus Torvalds bool 14226b4c912SSam Ravnborg default y if SPARC32 1433293efa9SThomas Gleixner select KMAP_LOCAL 1441da177e4SLinus Torvalds 14581a2936cSKirill A. Shutemovconfig PGTABLE_LEVELS 14681a2936cSKirill A. Shutemov default 4 if 64BIT 14781a2936cSKirill A. Shutemov default 3 14881a2936cSKirill A. Shutemov 149e8f4aa60SAllen Paisconfig ARCH_SUPPORTS_UPROBES 150e8f4aa60SAllen Pais def_bool y if SPARC64 151e8f4aa60SAllen Pais 15226b4c912SSam Ravnborgmenu "Processor type and features" 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvaldsconfig SMP 1556b7679ddSDavid S. Miller bool "Symmetric multi-processing support" 156a7f7f624SMasahiro Yamada help 1571da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 1581da177e4SLinus Torvalds a system with only one CPU, say N. If you have a system with more 1591da177e4SLinus Torvalds than one CPU, say Y. 1601da177e4SLinus Torvalds 1614a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 1621da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 1631da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 1644a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 1651da177e4SLinus Torvalds will run faster if you say N here. 1661da177e4SLinus Torvalds 1671da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 1681da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. The "Advanced Power 1691da177e4SLinus Torvalds Management" code will be disabled if you say Y here. 1701da177e4SLinus Torvalds 1714f4cfa6cSMauro Carvalho Chehab See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO 17237719576SAlexander A. Klimov available at <https://www.tldp.org/docs.html#howto>. 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds If you don't know what to do here, say N. 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvaldsconfig NR_CPUS 17726b4c912SSam Ravnborg int "Maximum number of CPUs" 1781da177e4SLinus Torvalds depends on SMP 17926b4c912SSam Ravnborg range 2 32 if SPARC32 180c79a1373SJane Chu range 2 4096 if SPARC64 18126b4c912SSam Ravnborg default 32 if SPARC32 182c79a1373SJane Chu default 4096 if SPARC64 1831da177e4SLinus Torvalds 1848636a1f9SMasahiro Yamadasource "kernel/Kconfig.hz" 18526b4c912SSam Ravnborg 18626b4c912SSam Ravnborgconfig GENERIC_HWEIGHT 18726b4c912SSam Ravnborg bool 188e0b20296SPaul Bolle default y 18926b4c912SSam Ravnborg 19026b4c912SSam Ravnborgconfig GENERIC_CALIBRATE_DELAY 19126b4c912SSam Ravnborg bool 19226b4c912SSam Ravnborg default y 19326b4c912SSam Ravnborg 19426b4c912SSam Ravnborgconfig ARCH_MAY_HAVE_PC_FDC 19526b4c912SSam Ravnborg bool 19626b4c912SSam Ravnborg default y 19726b4c912SSam Ravnborg 19826b4c912SSam Ravnborgconfig EMULATED_CMPXCHG 19926b4c912SSam Ravnborg bool 20026b4c912SSam Ravnborg default y if SPARC32 20126b4c912SSam Ravnborg help 20226b4c912SSam Ravnborg Sparc32 does not have a CAS instruction like sparc64. cmpxchg() 20326b4c912SSam Ravnborg is emulated, and therefore it is not completely atomic. 20426b4c912SSam Ravnborg 205d670bd4fSSam Ravnborg# Makefile helpers 206d670bd4fSSam Ravnborgconfig SPARC32_SMP 207d670bd4fSSam Ravnborg bool 208d670bd4fSSam Ravnborg default y 209d670bd4fSSam Ravnborg depends on SPARC32 && SMP 210d670bd4fSSam Ravnborg 211d670bd4fSSam Ravnborgconfig SPARC64_SMP 212d670bd4fSSam Ravnborg bool 213d670bd4fSSam Ravnborg default y 214d670bd4fSSam Ravnborg depends on SPARC64 && SMP 215d670bd4fSSam Ravnborg 216c57ec52fSDavid S. Millerconfig EARLYFB 217c57ec52fSDavid S. Miller bool "Support for early boot text console" 218c57ec52fSDavid S. Miller default y 219c57ec52fSDavid S. Miller depends on SPARC64 2200f199194SDr. David Alan Gilbert select FONT_SUN8x16 2210f199194SDr. David Alan Gilbert select FONT_SUPPORT 222c57ec52fSDavid S. Miller help 223c57ec52fSDavid S. Miller Say Y here to enable a faster early framebuffer boot console. 224c57ec52fSDavid S. Miller 22526b4c912SSam Ravnborgconfig HOTPLUG_CPU 22626b4c912SSam Ravnborg bool "Support for hot-pluggable CPUs" 22726b4c912SSam Ravnborg depends on SPARC64 && SMP 22826b4c912SSam Ravnborg help 22926b4c912SSam Ravnborg Say Y here to experiment with turning CPUs off and on. CPUs 23026b4c912SSam Ravnborg can be controlled through /sys/devices/system/cpu/cpu#. 23126b4c912SSam Ravnborg Say N if you want to disable CPU hotplug. 23226b4c912SSam Ravnborg 23326b4c912SSam Ravnborgif SPARC64 23426b4c912SSam Ravnborgsource "drivers/cpufreq/Kconfig" 23526b4c912SSam Ravnborgendif 23626b4c912SSam Ravnborg 23726b4c912SSam Ravnborgconfig US3_MC 23826b4c912SSam Ravnborg tristate "UltraSPARC-III Memory Controller driver" 23926b4c912SSam Ravnborg depends on SPARC64 24026b4c912SSam Ravnborg default y 24126b4c912SSam Ravnborg help 24226b4c912SSam Ravnborg This adds a driver for the UltraSPARC-III memory controller. 24326b4c912SSam Ravnborg Loading this driver allows exact mnemonic strings to be 24426b4c912SSam Ravnborg printed in the event of a memory error, so that the faulty DIMM 24526b4c912SSam Ravnborg on the motherboard can be matched to the error. 24626b4c912SSam Ravnborg 24726b4c912SSam Ravnborg If in doubt, say Y, as this information can be very useful. 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds# Global things across all Sun machines. 25026b4c912SSam Ravnborgconfig GENERIC_LOCKBREAK 25126b4c912SSam Ravnborg bool 25226b4c912SSam Ravnborg default y 25385a683d0SThomas Gleixner depends on SPARC64 && SMP && PREEMPTION 25426b4c912SSam Ravnborg 25526b4c912SSam Ravnborgconfig NUMA 25626b4c912SSam Ravnborg bool "NUMA support" 25726b4c912SSam Ravnborg depends on SPARC64 && SMP 25826b4c912SSam Ravnborg 25926b4c912SSam Ravnborgconfig NODES_SHIFT 2607485af89SJane Chu int "Maximum NUMA Nodes (as a power of 2)" 2617485af89SJane Chu range 4 5 if SPARC64 2627485af89SJane Chu default "5" 263a9ee6cf5SMike Rapoport depends on NUMA 2647485af89SJane Chu help 2657485af89SJane Chu Specify the maximum number of NUMA Nodes available on the target 2667485af89SJane Chu system. Increases memory reserved to accommodate various tables. 26726b4c912SSam Ravnborg 26826b4c912SSam Ravnborgconfig ARCH_SPARSEMEM_ENABLE 26926b4c912SSam Ravnborg def_bool y if SPARC64 27026b4c912SSam Ravnborg select SPARSEMEM_VMEMMAP_ENABLE 27126b4c912SSam Ravnborg 27226b4c912SSam Ravnborgconfig ARCH_SPARSEMEM_DEFAULT 27326b4c912SSam Ravnborg def_bool y if SPARC64 27426b4c912SSam Ravnborg 2750192445cSZi Yanconfig ARCH_FORCE_MAX_ORDER 2768def4c05SMike Rapoport (IBM) int "Order of maximal physically contiguous allocations" 27723baf831SKirill A. Shutemov default "12" 278c88c545bSDave Kleikamp help 2798def4c05SMike Rapoport (IBM) The kernel page allocator limits the size of maximal physically 2805e0a760bSKirill A. Shutemov contiguous allocations. The limit is called MAX_PAGE_ORDER and it 2818def4c05SMike Rapoport (IBM) defines the maximal power of two of number of pages that can be 2828def4c05SMike Rapoport (IBM) allocated as a single contiguous block. This option allows 2838def4c05SMike Rapoport (IBM) overriding the default setting when ability to allocate very 2848def4c05SMike Rapoport (IBM) large blocks of physically contiguous memory is required. 285c88c545bSDave Kleikamp 2868def4c05SMike Rapoport (IBM) Don't change if unsure. 287c88c545bSDave Kleikamp 2887be6a87cSRandy Dunlapif SPARC64 || COMPILE_TEST 289bdde6b3cSTkhai Kirillsource "kernel/power/Kconfig" 290bdde6b3cSTkhai Kirillendif 291bdde6b3cSTkhai Kirill 29226b4c912SSam Ravnborgconfig SCHED_SMT 29326b4c912SSam Ravnborg bool "SMT (Hyperthreading) scheduler support" 29426b4c912SSam Ravnborg depends on SPARC64 && SMP 29526b4c912SSam Ravnborg default y 29626b4c912SSam Ravnborg help 29726b4c912SSam Ravnborg SMT scheduler support improves the CPU scheduler's decision making 29826b4c912SSam Ravnborg when dealing with SPARC cpus at a cost of slightly increased overhead 29926b4c912SSam Ravnborg in some places. If unsure say N here. 30026b4c912SSam Ravnborg 30126b4c912SSam Ravnborgconfig SCHED_MC 30226b4c912SSam Ravnborg bool "Multi-core scheduler support" 30326b4c912SSam Ravnborg depends on SPARC64 && SMP 30426b4c912SSam Ravnborg default y 30526b4c912SSam Ravnborg help 30626b4c912SSam Ravnborg Multi-core scheduler support improves the CPU scheduler's decision 30726b4c912SSam Ravnborg making when dealing with multi-core CPU chips at a cost of slightly 30826b4c912SSam Ravnborg increased overhead in some places. If unsure say N here. 30926b4c912SSam Ravnborg 31026b4c912SSam Ravnborgconfig CMDLINE_BOOL 31126b4c912SSam Ravnborg bool "Default bootloader kernel arguments" 31226b4c912SSam Ravnborg depends on SPARC64 31326b4c912SSam Ravnborg 31426b4c912SSam Ravnborgconfig CMDLINE 31526b4c912SSam Ravnborg string "Initial kernel command string" 31626b4c912SSam Ravnborg depends on CMDLINE_BOOL 31726b4c912SSam Ravnborg default "console=ttyS0,9600 root=/dev/sda1" 31826b4c912SSam Ravnborg help 31926b4c912SSam Ravnborg Say Y here if you want to be able to pass default arguments to 32026b4c912SSam Ravnborg the kernel. This will be overridden by the bootloader, if you 32126b4c912SSam Ravnborg use one (such as SILO). This is most useful if you want to boot 32226b4c912SSam Ravnborg a kernel from TFTP, and want default options to be available 32326b4c912SSam Ravnborg with having them passed on the command line. 32426b4c912SSam Ravnborg 32526b4c912SSam Ravnborg NOTE: This option WILL override the PROM bootargs setting! 32626b4c912SSam Ravnborg 32726b4c912SSam Ravnborgconfig SUN_PM 32826b4c912SSam Ravnborg bool 32926b4c912SSam Ravnborg default y if SPARC32 33026b4c912SSam Ravnborg help 33126b4c912SSam Ravnborg Enable power management and CPU standby features on supported 33226b4c912SSam Ravnborg SPARC platforms. 33326b4c912SSam Ravnborg 33426b4c912SSam Ravnborgconfig SPARC_LED 33526b4c912SSam Ravnborg tristate "Sun4m LED driver" 33626b4c912SSam Ravnborg depends on SPARC32 33726b4c912SSam Ravnborg help 33826b4c912SSam Ravnborg This driver toggles the front-panel LED on sun4m systems 33926b4c912SSam Ravnborg in a user-specifiable manner. Its state can be probed 34026b4c912SSam Ravnborg by reading /proc/led and its blinking mode can be changed 34126b4c912SSam Ravnborg via writes to /proc/led 34226b4c912SSam Ravnborg 3431da177e4SLinus Torvaldsconfig SERIAL_CONSOLE 3441da177e4SLinus Torvalds bool 34526b4c912SSam Ravnborg depends on SPARC32 3461da177e4SLinus Torvalds default y 347a7f7f624SMasahiro Yamada help 3481da177e4SLinus Torvalds If you say Y here, it will be possible to use a serial port as the 3491da177e4SLinus Torvalds system console (the system console is the device which receives all 3501da177e4SLinus Torvalds kernel messages and warnings and which allows logins in single user 3511da177e4SLinus Torvalds mode). This could be useful if some terminal or printer is connected 3521da177e4SLinus Torvalds to that serial port. 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds Even if you say Y here, the currently visible virtual console 3551da177e4SLinus Torvalds (/dev/tty0) will still be used as the system console by default, but 3561da177e4SLinus Torvalds you can alter that using a kernel command line option such as 3571da177e4SLinus Torvalds "console=ttyS1". (Try "man bootparam" or see the documentation of 3581da177e4SLinus Torvalds your boot loader (silo) about how to pass options to the kernel at 3591da177e4SLinus Torvalds boot time.) 3601da177e4SLinus Torvalds 3611da177e4SLinus Torvalds If you don't have a graphics card installed and you say Y here, the 3621da177e4SLinus Torvalds kernel will automatically use the first serial line, /dev/ttyS0, as 3631da177e4SLinus Torvalds system console. 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds If unsure, say N. 3661da177e4SLinus Torvalds 3675213a780SKonrad Eiseleconfig SPARC_LEON 3685213a780SKonrad Eisele bool "Sparc Leon processor family" 3695213a780SKonrad Eisele depends on SPARC32 3709296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 3719296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 3725efad9eeSJames Hogan select USB_UHCI_BIG_ENDIAN_MMIO 3735efad9eeSJames Hogan select USB_UHCI_BIG_ENDIAN_DESC 374a7f7f624SMasahiro Yamada help 3755213a780SKonrad Eisele If you say Y here if you are running on a SPARC-LEON processor. 3765213a780SKonrad Eisele The LEON processor is a synthesizable VHDL model of the 3775213a780SKonrad Eisele SPARC-v8 standard. LEON is part of the GRLIB collection of 3785213a780SKonrad Eisele IP cores that are distributed under GPL. GRLIB can be downloaded 3795213a780SKonrad Eisele from www.gaisler.com. You can download a sparc-linux cross-compilation 3805213a780SKonrad Eisele toolchain at www.gaisler.com. 3815213a780SKonrad Eisele 382684151a7SDaniel Hellstromif SPARC_LEON 383684151a7SDaniel Hellstrommenu "U-Boot options" 384684151a7SDaniel Hellstrom 385684151a7SDaniel Hellstromconfig UBOOT_LOAD_ADDR 386684151a7SDaniel Hellstrom hex "uImage Load Address" 387684151a7SDaniel Hellstrom default 0x40004000 388a7f7f624SMasahiro Yamada help 389684151a7SDaniel Hellstrom U-Boot kernel load address, the address in physical address space 390684151a7SDaniel Hellstrom where u-boot will place the Linux kernel before booting it. 391684151a7SDaniel Hellstrom This address is normally the base address of main memory + 0x4000. 392684151a7SDaniel Hellstrom 393684151a7SDaniel Hellstromconfig UBOOT_FLASH_ADDR 394684151a7SDaniel Hellstrom hex "uImage.o Load Address" 395684151a7SDaniel Hellstrom default 0x00080000 396a7f7f624SMasahiro Yamada help 397684151a7SDaniel Hellstrom Optional setting only affecting the uImage.o ELF-image used to 398684151a7SDaniel Hellstrom download the uImage file to the target using a ELF-loader other than 399684151a7SDaniel Hellstrom U-Boot. It may for example be used to download an uImage to FLASH with 400684151a7SDaniel Hellstrom the GRMON utility before even starting u-boot. 401684151a7SDaniel Hellstrom 402684151a7SDaniel Hellstromconfig UBOOT_ENTRY_ADDR 403684151a7SDaniel Hellstrom hex "uImage Entry Address" 404684151a7SDaniel Hellstrom default 0xf0004000 405a7f7f624SMasahiro Yamada help 406684151a7SDaniel Hellstrom Do not change this unless you know what you're doing. This is 407684151a7SDaniel Hellstrom hardcoded by the SPARC32 and LEON port. 408684151a7SDaniel Hellstrom 409684151a7SDaniel Hellstrom This is the virtual address u-boot jumps to when booting the Linux 410684151a7SDaniel Hellstrom Kernel. 411684151a7SDaniel Hellstrom 412684151a7SDaniel Hellstromendmenu 413684151a7SDaniel Hellstromendif 414684151a7SDaniel Hellstrom 4154b27e0e1SSam Ravnborgendmenu 4164b27e0e1SSam Ravnborg 4174b27e0e1SSam Ravnborgmenu "Bus options (PCI etc.)" 4184b27e0e1SSam Ravnborgconfig SBUS 4194b27e0e1SSam Ravnborg bool 4204b27e0e1SSam Ravnborg default y 4214b27e0e1SSam Ravnborg 4224b27e0e1SSam Ravnborgconfig SBUSCHAR 4234b27e0e1SSam Ravnborg bool 4244b27e0e1SSam Ravnborg default y 4254b27e0e1SSam Ravnborg 42626b4c912SSam Ravnborgconfig SUN_LDOMS 42726b4c912SSam Ravnborg bool "Sun Logical Domains support" 42826b4c912SSam Ravnborg depends on SPARC64 42926b4c912SSam Ravnborg help 43026b4c912SSam Ravnborg Say Y here is you want to support virtual devices via 43126b4c912SSam Ravnborg Logical Domains. 43226b4c912SSam Ravnborg 433cfe3af5dSDaniel Hellstromconfig PCIC_PCI 434cfe3af5dSDaniel Hellstrom bool 4358c47f8d0SDavid S. Miller depends on PCI && SPARC32 && !SPARC_LEON 436cfe3af5dSDaniel Hellstrom default y 437cfe3af5dSDaniel Hellstrom 43826893c13SDaniel Hellstromconfig LEON_PCI 43926893c13SDaniel Hellstrom bool 44026893c13SDaniel Hellstrom depends on PCI && SPARC_LEON 44126893c13SDaniel Hellstrom default y 44226893c13SDaniel Hellstrom 443d8650106SDaniel Hellstromconfig SPARC_GRPCI1 444d8650106SDaniel Hellstrom bool "GRPCI Host Bridge Support" 445d8650106SDaniel Hellstrom depends on LEON_PCI 446d8650106SDaniel Hellstrom default y 447d8650106SDaniel Hellstrom help 448d8650106SDaniel Hellstrom Say Y here to include the GRPCI Host Bridge Driver. The GRPCI 449d8650106SDaniel Hellstrom PCI host controller is typically found in GRLIB SPARC32/LEON 450d8650106SDaniel Hellstrom systems. The driver has one property (all_pci_errors) controlled 451d8650106SDaniel Hellstrom from the bootloader that makes the GRPCI to generate interrupts 452d8650106SDaniel Hellstrom on detected PCI Parity and System errors. 453d8650106SDaniel Hellstrom 4541ab0a676SDaniel Hellstromconfig SPARC_GRPCI2 4555d07b786SDaniel Hellstrom bool "GRPCI2 Host Bridge Support" 4565d07b786SDaniel Hellstrom depends on LEON_PCI 4575d07b786SDaniel Hellstrom default y 4585d07b786SDaniel Hellstrom help 4595d07b786SDaniel Hellstrom Say Y here to include the GRPCI2 Host Bridge Driver. 4605d07b786SDaniel Hellstrom 4611da177e4SLinus Torvaldsconfig SUN_OPENPROMFS 4621da177e4SLinus Torvalds tristate "Openprom tree appears in /proc/openprom" 4631da177e4SLinus Torvalds help 4641da177e4SLinus Torvalds If you say Y, the OpenPROM device tree will be available as a 4651da177e4SLinus Torvalds virtual file system, which you can mount to /proc/openprom by "mount 4661da177e4SLinus Torvalds -t openpromfs none /proc/openprom". 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds To compile the /proc/openprom support as a module, choose M here: the 4691da177e4SLinus Torvalds module will be called openpromfs. 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds Only choose N if you know in advance that you will not need to modify 4721da177e4SLinus Torvalds OpenPROM settings on the running system. 4731da177e4SLinus Torvalds 474a988fb80SThomas Petazzoni# Makefile helpers 475d670bd4fSSam Ravnborgconfig SPARC64_PCI 476d670bd4fSSam Ravnborg bool 477d670bd4fSSam Ravnborg default y 478d670bd4fSSam Ravnborg depends on SPARC64 && PCI 47930aaa808SWilliam Lee Irwin III 480a988fb80SThomas Petazzoniconfig SPARC64_PCI_MSI 481a988fb80SThomas Petazzoni bool 482a988fb80SThomas Petazzoni default y 483a988fb80SThomas Petazzoni depends on SPARC64_PCI && PCI_MSI 484a988fb80SThomas Petazzoni 48530aaa808SWilliam Lee Irwin IIIendmenu 48630aaa808SWilliam Lee Irwin III 48726b4c912SSam Ravnborgconfig COMPAT 48826b4c912SSam Ravnborg bool 48926b4c912SSam Ravnborg depends on SPARC64 49026b4c912SSam Ravnborg default y 491af1839ebSCatalin Marinas select HAVE_UID16 49248b25c43SChris Metcalf select ARCH_WANT_OLD_COMPAT_IPC 493a274bd49SAl Viro select COMPAT_OLD_SIGACTION 49426b4c912SSam Ravnborg 4951da177e4SLinus Torvaldssource "drivers/sbus/char/Kconfig" 496