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Linux/arch/alpha/Kconfig

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Diff markup

Differences between /arch/alpha/Kconfig (Architecture alpha) and /arch/sparc/Kconfig (Architecture sparc)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 # SPDX-License-Identifier: GPL-2.0-only
  2 config ALPHA                                   !!   2 config 64BIT
                                                   >>   3         bool "64-bit kernel" if "$(ARCH)" = "sparc"
                                                   >>   4         default "$(ARCH)" = "sparc64"
                                                   >>   5         help
                                                   >>   6           SPARC is a family of RISC microprocessors designed and marketed by
                                                   >>   7           Sun Microsystems, incorporated.  They are very widely found in Sun
                                                   >>   8           workstations and clones.
                                                   >>   9 
                                                   >>  10           Say yes to build a 64-bit kernel - formerly known as sparc64
                                                   >>  11           Say no to build a 32-bit kernel - formerly known as sparc
                                                   >>  12 
                                                   >>  13 config SPARC
  3         bool                                       14         bool
  4         default y                                  15         default y
  5         select ARCH_32BIT_USTAT_F_TINODE       !!  16         select ARCH_HAS_CPU_CACHE_ALIASING
  6         select ARCH_HAS_CURRENT_STACK_POINTER  !!  17         select ARCH_HAS_DMA_OPS
  7         select ARCH_HAS_DMA_OPS if PCI         !!  18         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
  8         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
  9         select ARCH_MIGHT_HAVE_PC_SERIO            19         select ARCH_MIGHT_HAVE_PC_SERIO
 10         select ARCH_NO_PREEMPT                 !!  20         select OF
 11         select ARCH_NO_SG_CHAIN                !!  21         select OF_PROMTREE
 12         select ARCH_USE_CMPXCHG_LOCKREF        << 
 13         select FORCE_PCI                       << 
 14         select PCI_DOMAINS if PCI              << 
 15         select PCI_SYSCALL if PCI              << 
 16         select HAVE_ASM_MODVERSIONS                22         select HAVE_ASM_MODVERSIONS
 17         select HAVE_PAGE_SIZE_8KB              !!  23         select HAVE_ARCH_KGDB if !SMP || SPARC64
 18         select HAVE_PCSPKR_PLATFORM            !!  24         select HAVE_ARCH_TRACEHOOK
 19         select HAVE_PERF_EVENTS                !!  25         select HAVE_ARCH_SECCOMP if SPARC64
 20         select NEED_DMA_MAP_STATE              !!  26         select HAVE_EXIT_THREAD
 21         select NEED_SG_DMA_LENGTH              !!  27         select HAVE_PCI
 22         select GENERIC_IRQ_PROBE               !!  28         select SYSCTL_EXCEPTION_TRACE
 23         select GENERIC_PCI_IOMAP               !!  29         select RTC_CLASS
 24         select AUTO_IRQ_AFFINITY if SMP        !!  30         select RTC_DRV_M48T59
                                                   >>  31         select RTC_SYSTOHC
                                                   >>  32         select HAVE_ARCH_JUMP_LABEL if SPARC64
 25         select GENERIC_IRQ_SHOW                    33         select GENERIC_IRQ_SHOW
 26         select ARCH_WANT_IPC_PARSE_VERSION         34         select ARCH_WANT_IPC_PARSE_VERSION
 27         select ARCH_HAVE_NMI_SAFE_CMPXCHG      !!  35         select GENERIC_PCI_IOMAP
 28         select AUDIT_ARCH                      << 
 29         select GENERIC_CPU_VULNERABILITIES     << 
 30         select GENERIC_SMP_IDLE_THREAD         << 
 31         select HAS_IOPORT                          36         select HAS_IOPORT
 32         select HAVE_ARCH_AUDITSYSCALL          !!  37         select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
 33         select HAVE_MOD_ARCH_SPECIFIC          !!  38         select HAVE_CBPF_JIT if SPARC32
 34         select LOCK_MM_AND_FIND_VMA            !!  39         select HAVE_EBPF_JIT if SPARC64
                                                   >>  40         select HAVE_DEBUG_BUGVERBOSE
                                                   >>  41         select GENERIC_SMP_IDLE_THREAD
 35         select MODULES_USE_ELF_RELA                42         select MODULES_USE_ELF_RELA
                                                   >>  43         select PCI_SYSCALL if PCI
                                                   >>  44         select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
 36         select ODD_RT_SIGACTION                    45         select ODD_RT_SIGACTION
 37         select OLD_SIGSUSPEND                      46         select OLD_SIGSUSPEND
 38         select CPU_NO_EFFICIENT_FFS if !ALPHA_ !!  47         select CPU_NO_EFFICIENT_FFS
 39         select MMU_GATHER_NO_RANGE             !!  48         select LOCKDEP_SMALL if LOCKDEP
 40         select SPARSEMEM_EXTREME if SPARSEMEM  !!  49         select NEED_DMA_MAP_STATE
                                                   >>  50         select NEED_SG_DMA_LENGTH
                                                   >>  51         select TRACE_IRQFLAGS_SUPPORT
                                                   >>  52 
                                                   >>  53 config SPARC32
                                                   >>  54         def_bool !64BIT
                                                   >>  55         select ARCH_32BIT_OFF_T
                                                   >>  56         select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
                                                   >>  57         select ARCH_HAS_SYNC_DMA_FOR_CPU
                                                   >>  58         select CLZ_TAB
                                                   >>  59         select DMA_DIRECT_REMAP
                                                   >>  60         select GENERIC_ATOMIC64
                                                   >>  61         select GENERIC_LIB_CMPDI2
                                                   >>  62         select GENERIC_LIB_UCMPDI2
                                                   >>  63         select HAVE_UID16
                                                   >>  64         select HAVE_PAGE_SIZE_4KB
                                                   >>  65         select LOCK_MM_AND_FIND_VMA
                                                   >>  66         select OLD_SIGACTION
 41         select ZONE_DMA                            67         select ZONE_DMA
 42         help                                   << 
 43           The Alpha is a 64-bit general-purpos << 
 44           marketed by the Digital Equipment Co << 
 45           now Hewlett-Packard.  The Alpha Linu << 
 46           <http://www.alphalinux.org/>.        << 
 47                                                    68 
 48 config 64BIT                                   !!  69 config SPARC64
                                                   >>  70         def_bool 64BIT
                                                   >>  71         select ALTERNATE_USER_ADDRESS_SPACE
                                                   >>  72         select HAVE_FUNCTION_TRACER
                                                   >>  73         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  74         select HAVE_KRETPROBES
                                                   >>  75         select HAVE_KPROBES
                                                   >>  76         select MMU_GATHER_RCU_TABLE_FREE if SMP
                                                   >>  77         select MMU_GATHER_MERGE_VMAS
                                                   >>  78         select MMU_GATHER_NO_FLUSH_CACHE
                                                   >>  79         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
                                                   >>  80         select HAVE_DYNAMIC_FTRACE
                                                   >>  81         select HAVE_FTRACE_MCOUNT_RECORD
                                                   >>  82         select HAVE_PAGE_SIZE_8KB
                                                   >>  83         select HAVE_SYSCALL_TRACEPOINTS
                                                   >>  84         select HAVE_CONTEXT_TRACKING_USER
                                                   >>  85         select HAVE_TIF_NOHZ
                                                   >>  86         select HAVE_DEBUG_KMEMLEAK
                                                   >>  87         select IOMMU_HELPER
                                                   >>  88         select SPARSE_IRQ
                                                   >>  89         select RTC_DRV_CMOS
                                                   >>  90         select RTC_DRV_BQ4802
                                                   >>  91         select RTC_DRV_SUN4V
                                                   >>  92         select RTC_DRV_STARFIRE
                                                   >>  93         select HAVE_PERF_EVENTS
                                                   >>  94         select PERF_USE_VMALLOC
                                                   >>  95         select ARCH_HAVE_NMI_SAFE_CMPXCHG
                                                   >>  96         select HAVE_C_RECORDMCOUNT
                                                   >>  97         select HAVE_ARCH_AUDITSYSCALL
                                                   >>  98         select ARCH_SUPPORTS_ATOMIC_RMW
                                                   >>  99         select ARCH_SUPPORTS_DEBUG_PAGEALLOC
                                                   >> 100         select HAVE_NMI
                                                   >> 101         select HAVE_REGS_AND_STACK_ACCESS_API
                                                   >> 102         select ARCH_USE_QUEUED_RWLOCKS
                                                   >> 103         select ARCH_USE_QUEUED_SPINLOCKS
                                                   >> 104         select GENERIC_TIME_VSYSCALL
                                                   >> 105         select ARCH_CLOCKSOURCE_DATA
                                                   >> 106         select ARCH_HAS_PTE_SPECIAL
                                                   >> 107         select PCI_DOMAINS if PCI
                                                   >> 108         select ARCH_HAS_GIGANTIC_PAGE
                                                   >> 109         select HAVE_SOFTIRQ_ON_OWN_STACK
                                                   >> 110         select HAVE_SETUP_PER_CPU_AREA
                                                   >> 111         select NEED_PER_CPU_EMBED_FIRST_CHUNK
                                                   >> 112         select NEED_PER_CPU_PAGE_FIRST_CHUNK
                                                   >> 113 
                                                   >> 114 config ARCH_PROC_KCORE_TEXT
 49         def_bool y                                115         def_bool y
 50                                                   116 
 51 config MMU                                     !! 117 config CPU_BIG_ENDIAN
 52         bool                                   !! 118         def_bool y
 53         default y                              << 
 54                                                   119 
 55 config ARCH_HAS_ILOG2_U32                      !! 120 config STACKTRACE_SUPPORT
 56         bool                                      121         bool
 57         default n                              !! 122         default y if SPARC64
 58                                                   123 
 59 config ARCH_HAS_ILOG2_U64                      !! 124 config LOCKDEP_SUPPORT
 60         bool                                      125         bool
 61         default n                              !! 126         default y if SPARC64
 62                                                   127 
 63 config GENERIC_CALIBRATE_DELAY                 !! 128 config ARCH_HIBERNATION_POSSIBLE
                                                   >> 129         def_bool y if SPARC64
                                                   >> 130 
                                                   >> 131 config AUDIT_ARCH
 64         bool                                      132         bool
 65         default y                                 133         default y
 66                                                   134 
 67 config GENERIC_ISA_DMA                         !! 135 config MMU
 68         bool                                      136         bool
 69         default y                                 137         default y
 70                                                   138 
                                                   >> 139 config HIGHMEM
                                                   >> 140         bool
                                                   >> 141         default y if SPARC32
                                                   >> 142         select KMAP_LOCAL
                                                   >> 143 
 71 config PGTABLE_LEVELS                             144 config PGTABLE_LEVELS
 72         int                                    !! 145         default 4 if 64BIT
 73         default 3                                 146         default 3
 74                                                   147 
 75 config AUDIT_ARCH                              !! 148 config ARCH_SUPPORTS_UPROBES
 76         bool                                   !! 149         def_bool y if SPARC64
 77                                                   150 
 78 menu "System setup"                            !! 151 menu "Processor type and features"
 79                                                   152 
 80 choice                                         !! 153 config SMP
 81         prompt "Alpha system type"             !! 154         bool "Symmetric multi-processing support"
 82         default ALPHA_GENERIC                  << 
 83         help                                      155         help
 84           This is the system type of your hard !! 156           This enables support for systems with more than one CPU. If you have
 85           run on any supported Alpha system. H !! 157           a system with only one CPU, say N. If you have a system with more
 86           kernel for your specific system, it  !! 158           than one CPU, say Y.
 87                                                   159 
 88           To find out what type of Alpha syste !! 160           If you say N here, the kernel will run on uni- and multiprocessor
 89           check out the Linux/Alpha FAQ, acces !! 161           machines, but will use only one CPU of a multiprocessor machine. If
 90           <http://www.alphalinux.org/>. In sum !! 162           you say Y here, the kernel will run on many, but not all,
                                                   >> 163           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 164           will run faster if you say N here.
 91                                                   165 
 92           Alcor/Alpha-XLT     AS 600, AS 500,  !! 166           People using multiprocessor machines who say Y here should also say
 93           DP264               DP264 / DS20 / E !! 167           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
 94           LX164               AlphaPC164-LX    !! 168           Management" code will be disabled if you say Y here.
 95           Miata               Personal Worksta << 
 96           Marvel              AlphaServer ES47 << 
 97           Mikasa              AS 1000          << 
 98           Noritake            AS 1000A, AS 600 << 
 99           PC164               AlphaPC164       << 
100           Rawhide             AS 1200, AS 4000 << 
101           Ruffian             RPX164-2, AlphaP << 
102           SX164               AlphaPC164-SX    << 
103           Sable               AS 2000, AS 2100 << 
104           Shark               DS 20L           << 
105           Takara              Takara (OEM)     << 
106           Titan               AlphaServer ES45 << 
107           Wildfire            AlphaServer GS 4 << 
108                                                   169 
109           If you don't know what to do, choose !! 170           See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
                                                   >> 171           available at <https://www.tldp.org/docs.html#howto>.
110                                                   172 
111 config ALPHA_GENERIC                           !! 173           If you don't know what to do here, say N.
112         bool "Generic"                         << 
113         depends on TTY                         << 
114         select HAVE_EISA                       << 
115         help                                   << 
116           A generic kernel will run on all sup << 
117                                                   174 
118 config ALPHA_ALCOR                             !! 175 config NR_CPUS
119         bool "Alcor/Alpha-XLT"                 !! 176         int "Maximum number of CPUs"
120         select HAVE_EISA                       !! 177         depends on SMP
121         help                                   !! 178         range 2 32 if SPARC32
122           For systems using the Digital ALCOR  !! 179         range 2 4096 if SPARC64
123           slices (Data Switch, DSW) - 208-pin  !! 180         default 32 if SPARC32
124           Address, CIA) - a 383 pin plastic PG !! 181         default 4096 if SPARC64
125           controller (256-bit memory bus) and  << 
126           all the work required to support an  << 
127           memory coherence when a PCI device D << 
128                                                   182 
129 config ALPHA_DP264                             !! 183 source "kernel/Kconfig.hz"
130         bool "DP264"                           << 
131         help                                   << 
132           Various 21264 systems with the tsuna << 
133           API Networks: 264DP, UP2000(+), CS20 << 
134           Compaq: DS10(E,L), XP900, XP1000, DS << 
135                                                   184 
136 config ALPHA_EIGER                             !! 185 config GENERIC_HWEIGHT
137         bool "Eiger"                           !! 186         bool
138         help                                   !! 187         default y
139           Apparently an obscure OEM single-boa << 
140           Typhoon/Tsunami chipset family. Info << 
141                                                   188 
142 config ALPHA_LX164                             !! 189 config GENERIC_CALIBRATE_DELAY
143         bool "LX164"                           !! 190         bool
144         help                                   !! 191         default y
145           A technical overview of this board i << 
146           <http://www.unix-ag.org/Linux-Alpha/ << 
147                                                   192 
148 config ALPHA_MARVEL                            !! 193 config ARCH_MAY_HAVE_PC_FDC
149         bool "Marvel"                          !! 194         bool
150         help                                   !! 195         default y
151           AlphaServer ES47 / ES80 / GS1280 bas << 
152                                                   196 
153 config ALPHA_MIATA                             !! 197 config EMULATED_CMPXCHG
154         bool "Miata"                           !! 198         bool
155         select HAVE_EISA                       !! 199         default y if SPARC32
156         help                                      200         help
157           The Digital PersonalWorkStation (PWS !! 201           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
158           or 600au).                           !! 202           is emulated, and therefore it is not completely atomic.
159                                                   203 
160 config ALPHA_MIKASA                            !! 204 # Makefile helpers
161         bool "Mikasa"                          !! 205 config SPARC32_SMP
162         help                                   !! 206         bool
163           AlphaServer 1000-based Alpha systems !! 207         default y
                                                   >> 208         depends on SPARC32 && SMP
164                                                   209 
165 config ALPHA_NAUTILUS                          !! 210 config SPARC64_SMP
166         bool "Nautilus"                        !! 211         bool
                                                   >> 212         default y
                                                   >> 213         depends on SPARC64 && SMP
                                                   >> 214 
                                                   >> 215 config EARLYFB
                                                   >> 216         bool "Support for early boot text console"
                                                   >> 217         default y
                                                   >> 218         depends on SPARC64
                                                   >> 219         select FONT_SUN8x16
                                                   >> 220         select FONT_SUPPORT
167         help                                      221         help
168           Alpha systems based on the AMD 751 & !! 222           Say Y here to enable a faster early framebuffer boot console.
169                                                   223 
170 config ALPHA_NORITAKE                          !! 224 config HOTPLUG_CPU
171         bool "Noritake"                        !! 225         bool "Support for hot-pluggable CPUs"
172         select HAVE_EISA                       !! 226         depends on SPARC64 && SMP
173         help                                      227         help
174           AlphaServer 1000A, AlphaServer 600A, !! 228           Say Y here to experiment with turning CPUs off and on.  CPUs
175           systems.                             !! 229           can be controlled through /sys/devices/system/cpu/cpu#.
                                                   >> 230           Say N if you want to disable CPU hotplug.
176                                                   231 
177 config ALPHA_PC164                             !! 232 if SPARC64
178         bool "PC164"                           !! 233 source "drivers/cpufreq/Kconfig"
                                                   >> 234 endif
179                                                   235 
180 config ALPHA_RAWHIDE                           !! 236 config US3_MC
181         bool "Rawhide"                         !! 237         tristate "UltraSPARC-III Memory Controller driver"
182         select HAVE_EISA                       !! 238         depends on SPARC64
                                                   >> 239         default y
183         help                                      240         help
184           AlphaServer 1200, AlphaServer 4000 a !! 241           This adds a driver for the UltraSPARC-III memory controller.
185           See HOWTO at                         !! 242           Loading this driver allows exact mnemonic strings to be
186           <http://www.alphalinux.org/docs/rawh !! 243           printed in the event of a memory error, so that the faulty DIMM
                                                   >> 244           on the motherboard can be matched to the error.
187                                                   245 
188 config ALPHA_RUFFIAN                           !! 246           If in doubt, say Y, as this information can be very useful.
189         bool "Ruffian"                         << 
190         help                                   << 
191           Samsung APC164UX.  There is a page o << 
192           at <http://www.alphalinux.org/faq/FA << 
193                                                   247 
194 config ALPHA_RX164                             !! 248 # Global things across all Sun machines.
195         bool "RX164"                           !! 249 config GENERIC_LOCKBREAK
                                                   >> 250         bool
                                                   >> 251         default y
                                                   >> 252         depends on SPARC64 && SMP && PREEMPTION
196                                                   253 
197 config ALPHA_SX164                             !! 254 config NUMA
198         bool "SX164"                           !! 255         bool "NUMA support"
                                                   >> 256         depends on SPARC64 && SMP
199                                                   257 
200 config ALPHA_SABLE                             !! 258 config NODES_SHIFT
201         bool "Sable"                           !! 259         int "Maximum NUMA Nodes (as a power of 2)"
202         select HAVE_EISA                       !! 260         range 4 5 if SPARC64
                                                   >> 261         default "5"
                                                   >> 262         depends on NUMA
203         help                                      263         help
204           Digital AlphaServer 2000 and 2100-ba !! 264           Specify the maximum number of NUMA Nodes available on the target
                                                   >> 265           system.  Increases memory reserved to accommodate various tables.
205                                                   266 
206 config ALPHA_SHARK                             !! 267 config ARCH_SPARSEMEM_ENABLE
207         bool "Shark"                           !! 268         def_bool y if SPARC64
                                                   >> 269         select SPARSEMEM_VMEMMAP_ENABLE
208                                                   270 
209 config ALPHA_TAKARA                            !! 271 config ARCH_SPARSEMEM_DEFAULT
210         bool "Takara"                          !! 272         def_bool y if SPARC64
211         help                                   << 
212           Alpha 11164-based OEM single-board c << 
213                                                   273 
214 config ALPHA_TITAN                             !! 274 config ARCH_FORCE_MAX_ORDER
215         bool "Titan"                           !! 275         int "Order of maximal physically contiguous allocations"
                                                   >> 276         default "12"
216         help                                      277         help
217           AlphaServer ES45/DS25 SMP based on E !! 278           The kernel page allocator limits the size of maximal physically
                                                   >> 279           contiguous allocations. The limit is called MAX_PAGE_ORDER and it
                                                   >> 280           defines the maximal power of two of number of pages that can be
                                                   >> 281           allocated as a single contiguous block. This option allows
                                                   >> 282           overriding the default setting when ability to allocate very
                                                   >> 283           large blocks of physically contiguous memory is required.
218                                                   284 
219 config ALPHA_WILDFIRE                          !! 285           Don't change if unsure.
220         bool "Wildfire"                        << 
221         help                                   << 
222           AlphaServer GS 40/80/160/320 SMP bas << 
223                                                   286 
224 endchoice                                      !! 287 if SPARC64 || COMPILE_TEST
                                                   >> 288 source "kernel/power/Kconfig"
                                                   >> 289 endif
225                                                   290 
226 # clear all implied options (don't want defaul !! 291 config SCHED_SMT
227 # Most of these machines have ISA slots; not e !! 292         bool "SMT (Hyperthreading) scheduler support"
228 # and this doesn't activate hordes of code, so !! 293         depends on SPARC64 && SMP
229 config ISA                                     << 
230         bool                                   << 
231         default y                                 294         default y
232         help                                      295         help
233           Find out whether you have ISA slots  !! 296           SMT scheduler support improves the CPU scheduler's decision making
234           name of a bus system, i.e. the way t !! 297           when dealing with SPARC cpus at a cost of slightly increased overhead
235           inside your box.  Other bus systems  !! 298           in some places. If unsure say N here.
236           (MCA) or VESA.  ISA is an older syst << 
237           newer boards don't support it.  If y << 
238                                                   299 
239 config ISA_DMA_API                             !! 300 config SCHED_MC
240         bool                                   !! 301         bool "Multi-core scheduler support"
                                                   >> 302         depends on SPARC64 && SMP
241         default y                                 303         default y
                                                   >> 304         help
                                                   >> 305           Multi-core scheduler support improves the CPU scheduler's decision
                                                   >> 306           making when dealing with multi-core CPU chips at a cost of slightly
                                                   >> 307           increased overhead in some places. If unsure say N here.
242                                                   308 
243 config ALPHA_CIA                               !! 309 config CMDLINE_BOOL
244         bool                                   !! 310         bool "Default bootloader kernel arguments"
245         depends on ALPHA_MIATA || ALPHA_LX164  !! 311         depends on SPARC64
246         default y                              << 
247                                                   312 
248 config ALPHA_EV56                              !! 313 config CMDLINE
249         bool                                   !! 314         string "Initial kernel command string"
250         default y if ALPHA_ALCOR || ALPHA_RX16 !! 315         depends on CMDLINE_BOOL
                                                   >> 316         default "console=ttyS0,9600 root=/dev/sda1"
                                                   >> 317         help
                                                   >> 318           Say Y here if you want to be able to pass default arguments to
                                                   >> 319           the kernel. This will be overridden by the bootloader, if you
                                                   >> 320           use one (such as SILO). This is most useful if you want to boot
                                                   >> 321           a kernel from TFTP, and want default options to be available
                                                   >> 322           with having them passed on the command line.
251                                                   323 
252 config ALPHA_T2                                !! 324           NOTE: This option WILL override the PROM bootargs setting!
253         bool                                   << 
254         depends on ALPHA_SABLE                 << 
255         default y                              << 
256                                                   325 
257 config ALPHA_PYXIS                             !! 326 config SUN_PM
258         bool                                      327         bool
259         depends on ALPHA_MIATA || ALPHA_LX164  !! 328         default y if SPARC32
260         default y                              !! 329         help
                                                   >> 330           Enable power management and CPU standby features on supported
                                                   >> 331           SPARC platforms.
261                                                   332 
262 config ALPHA_EV6                               !! 333 config SPARC_LED
263         bool                                   !! 334         tristate "Sun4m LED driver"
264         depends on ALPHA_NAUTILUS || ALPHA_WIL !! 335         depends on SPARC32
265         default y                              !! 336         help
                                                   >> 337           This driver toggles the front-panel LED on sun4m systems
                                                   >> 338           in a user-specifiable manner.  Its state can be probed
                                                   >> 339           by reading /proc/led and its blinking mode can be changed
                                                   >> 340           via writes to /proc/led
266                                                   341 
267 config ALPHA_TSUNAMI                           !! 342 config SERIAL_CONSOLE
268         bool                                      343         bool
269         depends on ALPHA_SHARK || ALPHA_DP264  !! 344         depends on SPARC32
270         default y                                 345         default y
                                                   >> 346         help
                                                   >> 347           If you say Y here, it will be possible to use a serial port as the
                                                   >> 348           system console (the system console is the device which receives all
                                                   >> 349           kernel messages and warnings and which allows logins in single user
                                                   >> 350           mode). This could be useful if some terminal or printer is connected
                                                   >> 351           to that serial port.
                                                   >> 352 
                                                   >> 353           Even if you say Y here, the currently visible virtual console
                                                   >> 354           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 355           you can alter that using a kernel command line option such as
                                                   >> 356           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 357           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 358           boot time.)
                                                   >> 359 
                                                   >> 360           If you don't have a graphics card installed and you say Y here, the
                                                   >> 361           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 362           system console.
                                                   >> 363 
                                                   >> 364           If unsure, say N.
271                                                   365 
272 config ALPHA_EV67                              !! 366 config SPARC_LEON
273         bool "EV67 (or later) CPU (speed > 600 !! 367         bool "Sparc Leon processor family"
274         default y if ALPHA_NAUTILUS || ALPHA_W !! 368         depends on SPARC32
                                                   >> 369         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 370         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 371         select USB_UHCI_BIG_ENDIAN_MMIO
                                                   >> 372         select USB_UHCI_BIG_ENDIAN_DESC
                                                   >> 373         help
                                                   >> 374           If you say Y here if you are running on a SPARC-LEON processor.
                                                   >> 375           The LEON processor is a synthesizable VHDL model of the
                                                   >> 376           SPARC-v8 standard. LEON is  part of the GRLIB collection of
                                                   >> 377           IP cores that are distributed under GPL. GRLIB can be downloaded
                                                   >> 378           from www.gaisler.com. You can download a sparc-linux cross-compilation
                                                   >> 379           toolchain at www.gaisler.com.
                                                   >> 380 
                                                   >> 381 if SPARC_LEON
                                                   >> 382 menu "U-Boot options"
                                                   >> 383 
                                                   >> 384 config UBOOT_LOAD_ADDR
                                                   >> 385         hex "uImage Load Address"
                                                   >> 386         default 0x40004000
                                                   >> 387         help
                                                   >> 388          U-Boot kernel load address, the address in physical address space
                                                   >> 389          where u-boot will place the Linux kernel before booting it.
                                                   >> 390          This address is normally the base address of main memory + 0x4000.
                                                   >> 391 
                                                   >> 392 config UBOOT_FLASH_ADDR
                                                   >> 393         hex "uImage.o Load Address"
                                                   >> 394         default 0x00080000
                                                   >> 395         help
                                                   >> 396          Optional setting only affecting the uImage.o ELF-image used to
                                                   >> 397          download the uImage file to the target using a ELF-loader other than
                                                   >> 398          U-Boot. It may for example be used to download an uImage to FLASH with
                                                   >> 399          the GRMON utility before even starting u-boot.
                                                   >> 400 
                                                   >> 401 config UBOOT_ENTRY_ADDR
                                                   >> 402         hex "uImage Entry Address"
                                                   >> 403         default 0xf0004000
275         help                                      404         help
276           Is this a machine based on the EV67  !! 405          Do not change this unless you know what you're doing. This is
277           and the machine will be treated as a !! 406          hardcoded by the SPARC32 and LEON port.
278                                                   407 
279 config ALPHA_MCPCIA                            !! 408          This is the virtual address u-boot jumps to when booting the Linux
280         bool                                   !! 409          Kernel.
281         depends on ALPHA_RAWHIDE               !! 410 
282         default y                              !! 411 endmenu
                                                   >> 412 endif
283                                                   413 
284 config ALPHA_POLARIS                           !! 414 endmenu
                                                   >> 415 
                                                   >> 416 menu "Bus options (PCI etc.)"
                                                   >> 417 config SBUS
285         bool                                      418         bool
286         depends on ALPHA_RX164                 << 
287         default y                                 419         default y
288                                                   420 
289 config ALPHA_IRONGATE                          !! 421 config SBUSCHAR
290         bool                                      422         bool
291         depends on ALPHA_NAUTILUS              << 
292         default y                                 423         default y
293                                                   424 
294 config GENERIC_HWEIGHT                         !! 425 config SUN_LDOMS
295         bool                                   !! 426         bool "Sun Logical Domains support"
296         default y if !ALPHA_EV67               !! 427         depends on SPARC64
                                                   >> 428         help
                                                   >> 429           Say Y here is you want to support virtual devices via
                                                   >> 430           Logical Domains.
297                                                   431 
298 config ALPHA_BROKEN_IRQ_MASK                   !! 432 config PCIC_PCI
299         bool                                      433         bool
300         depends on ALPHA_GENERIC || ALPHA_PC16 !! 434         depends on PCI && SPARC32 && !SPARC_LEON
301         default y                                 435         default y
302                                                   436 
303 config VGA_HOSE                                !! 437 config LEON_PCI
304         bool                                      438         bool
305         depends on VGA_CONSOLE && (ALPHA_GENER !! 439         depends on PCI && SPARC_LEON
306         default y                                 440         default y
307         help                                   << 
308           Support VGA on an arbitrary hose; ne << 
309           which always have multiple hoses, an << 
310                                                << 
311                                                << 
312 config ALPHA_QEMU                              << 
313         bool "Run under QEMU emulation"        << 
314         depends on !ALPHA_GENERIC              << 
315         help                                   << 
316           Assume the presence of special featu << 
317           that reduce the overhead of system e << 
318                                                   441 
319           Generic kernels will auto-detect QEM !! 442 config SPARC_GRPCI1
320           system-specific kernel, the assumpti !! 443         bool "GRPCI Host Bridge Support"
321           eliminate as many runtime tests as p !! 444         depends on LEON_PCI
322                                                !! 445         default y
323           If unsure, say N.                    << 
324                                                << 
325                                                << 
326 config ALPHA_SRM                               << 
327         bool "Use SRM as bootloader" if ALPHA_ << 
328         depends on TTY                         << 
329         default y if ALPHA_MIKASA || ALPHA_SAB << 
330         help                                   << 
331           There are two different types of boo << 
332           which is command line driven, and AR << 
333           keys. Details about the Linux/Alpha  << 
334           the Linux/Alpha FAQ, accessible on t << 
335           <http://www.alphalinux.org/>.        << 
336                                                << 
337           The usual way to load Linux on an Al << 
338           (a bootloader that lets you pass com << 
339           kernel just like lilo does for the x << 
340           loaded either from ARC or can be ins << 
341           firmware replacement from floppy (wh << 
342           jumper on the motherboard). If you w << 
343           here. If MILO doesn't work on your s << 
344           motherboards), you can bypass it alt << 
345           from an SRM console; say Y here in o << 
346           won't be able to boot from an IDE di << 
347                                                << 
348           If unsure, say N.                    << 
349                                                << 
350 config ARCH_MAY_HAVE_PC_FDC                    << 
351         def_bool y                             << 
352                                                << 
353 config SMP                                     << 
354         bool "Symmetric multi-processing suppo << 
355         depends on ALPHA_SABLE || ALPHA_RAWHID << 
356         help                                      446         help
357           This enables support for systems wit !! 447           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
358           a system with only one CPU, say N. I !! 448           PCI host controller is typically found in GRLIB SPARC32/LEON
359           than one CPU, say Y.                 !! 449           systems. The driver has one property (all_pci_errors) controlled
360                                                !! 450           from the bootloader that makes the GRPCI to generate interrupts
361           If you say N here, the kernel will r !! 451           on detected PCI Parity and System errors.
362           machines, but will use only one CPU  << 
363           you say Y here, the kernel will run  << 
364           uniprocessor machines. On a uniproce << 
365           will run faster if you say N here.   << 
366                                                << 
367           See also the SMP-HOWTO available at  << 
368           <https://www.tldp.org/docs.html#howt << 
369                                                << 
370           If you don't know what to do here, s << 
371                                                   452 
372 config NR_CPUS                                 !! 453 config SPARC_GRPCI2
373         int "Maximum number of CPUs (2-32)"    !! 454         bool "GRPCI2 Host Bridge Support"
374         range 2 32                             !! 455         depends on LEON_PCI
375         depends on SMP                         !! 456         default y
376         default "32" if ALPHA_GENERIC || ALPHA << 
377         default "4" if !ALPHA_GENERIC && !ALPH << 
378         help                                      457         help
379           MARVEL support can handle a maximum  !! 458           Say Y here to include the GRPCI2 Host Bridge Driver.
380           with working support have a maximum  << 
381                                                   459 
382 config ARCH_SPARSEMEM_ENABLE                   !! 460 config SUN_OPENPROMFS
383         bool "Sparse Memory Support"           !! 461         tristate "Openprom tree appears in /proc/openprom"
384         help                                      462         help
385           Say Y to support efficient handling  !! 463           If you say Y, the OpenPROM device tree will be available as a
386           for systems that have huge holes in  !! 464           virtual file system, which you can mount to /proc/openprom by "mount
                                                   >> 465           -t openpromfs none /proc/openprom".
387                                                   466 
388 config ALPHA_WTINT                             !! 467           To compile the /proc/openprom support as a module, choose M here: the
389         bool "Use WTINT" if ALPHA_SRM || ALPHA !! 468           module will be called openpromfs.
390         default y if ALPHA_QEMU                << 
391         default n if ALPHA_EV56                << 
392         default n if !ALPHA_SRM && !ALPHA_GENE << 
393         default y if SMP                       << 
394         help                                   << 
395           The Wait for Interrupt (WTINT) PALca << 
396           to sleep until the next interrupt.   << 
397           consumed, and the heat produced by t << 
398           the side effect of making the cycle  << 
399           device across the sleep.             << 
400                                                   469 
401           For emulation under QEMU, definitely !! 470           Only choose N if you know in advance that you will not need to modify
402           mechanisms for measuring time than t !! 471           OpenPROM settings on the running system.
403                                                   472 
404           For EV4 (but not LCA), EV5 and EV56  !! 473 # Makefile helpers
405           MILO, sleep mode is not supported so !! 474 config SPARC64_PCI
406                                                << 
407           For SMP systems we cannot use the cy << 
408           so you might as well say Y here.     << 
409                                                << 
410           If unsure, say N.                    << 
411                                                << 
412 # LARGE_VMALLOC is racy, if you *really* need  << 
413 config ALPHA_LARGE_VMALLOC                     << 
414         bool                                      475         bool
415         help                                   !! 476         default y
416           Process creation and other aspects o !! 477         depends on SPARC64 && PCI
417           be streamlined if we restrict the ke << 
418           allocations.  This equates to about  << 
419                                                << 
420           Under normal circumstances, this is  << 
421           as to be laughable.  However, there  << 
422           as benchmark-grade in-kernel web ser << 
423           much vmalloc space as is available.  << 
424                                                << 
425           Say N unless you know you need gobs  << 
426                                                << 
427 config VERBOSE_MCHECK                          << 
428         bool "Verbose Machine Checks"          << 
429                                                << 
430 config VERBOSE_MCHECK_ON                       << 
431         int "Verbose Printing Mode (0=off, 1=o << 
432         depends on VERBOSE_MCHECK              << 
433         default 1                              << 
434         help                                   << 
435           This option allows the default print << 
436           possibly overridden by a boot comman << 
437                                                << 
438           For example, if one wanted the optio << 
439           machine checks, but wanted the defau << 
440           machine check printing was turned of << 
441           the printing mode to be 0. Then, upo << 
442           the boot command line "verbose_mchec << 
443           verbose machine check printing, or " << 
444           the maximum information available.   << 
445                                                << 
446           Take the default (1) unless you want << 
447                                                << 
448 choice                                         << 
449         prompt "Timer interrupt frequency (HZ) << 
450         default HZ_128 if ALPHA_QEMU           << 
451         default HZ_1200 if ALPHA_RAWHIDE       << 
452         default HZ_1024                        << 
453         help                                   << 
454           The frequency at which timer interru << 
455           minimizes latency, whereas a low fre << 
456           process accounting.  The later effec << 
457           when being run under QEMU.           << 
458                                                << 
459           Note that some Alpha hardware cannot << 
460           of the timer.  If unsure, say 1024 ( << 
461                                                << 
462         config HZ_32                           << 
463                 bool "32 Hz"                   << 
464         config HZ_64                           << 
465                 bool "64 Hz"                   << 
466         config HZ_128                          << 
467                 bool "128 Hz"                  << 
468         config HZ_256                          << 
469                 bool "256 Hz"                  << 
470         config HZ_1024                         << 
471                 bool "1024 Hz"                 << 
472         config HZ_1200                         << 
473                 bool "1200 Hz"                 << 
474 endchoice                                      << 
475                                                << 
476 config HZ                                      << 
477         int                                    << 
478         default 32 if HZ_32                    << 
479         default 64 if HZ_64                    << 
480         default 128 if HZ_128                  << 
481         default 256 if HZ_256                  << 
482         default 1200 if HZ_1200                << 
483         default 1024                           << 
484                                                << 
485 config SRM_ENV                                 << 
486         tristate "SRM environment through proc << 
487         depends on PROC_FS                     << 
488         help                                   << 
489           If you enable this option, a subdire << 
490           /proc/srm_environment will give you  << 
491           SRM environment variables (those whi << 
492           to all others (by their internal num << 
493                                                << 
494           SRM is something like a BIOS for Alp << 
495           other such BIOSes, like AlphaBIOS, w << 
496           support (hey, that's not SRM!).      << 
497                                                << 
498           Despite the fact that this driver do << 
499           only on those which have SRM as thei << 
500           build it even if your particular mac << 
501           (or if you intend to compile a gener << 
502           not create those subdirectory in /pr << 
503           of course).                          << 
504                                                   478 
505           This driver is also available as a m !! 479 config SPARC64_PCI_MSI
506           srm_env then.                        !! 480         bool
                                                   >> 481         default y
                                                   >> 482         depends on SPARC64_PCI && PCI_MSI
507                                                   483 
508 endmenu                                           484 endmenu
509                                                   485 
510 # DUMMY_CONSOLE may be defined in drivers/vide !! 486 config COMPAT
511 # but we also need it if VGA_HOSE is set       << 
512 config DUMMY_CONSOLE                           << 
513         bool                                      487         bool
514         depends on VGA_HOSE                    !! 488         depends on SPARC64
515         default y                                 489         default y
                                                   >> 490         select HAVE_UID16
                                                   >> 491         select ARCH_WANT_OLD_COMPAT_IPC
                                                   >> 492         select COMPAT_OLD_SIGACTION
                                                   >> 493 
                                                   >> 494 source "drivers/sbus/char/Kconfig"
                                                      

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