1 # SPDX-License-Identifier: GPL-2.0 <<
2 config MIPS 1 config MIPS
3 bool 2 bool
4 default y 3 default y
5 select ARCH_32BIT_OFF_T if !64BIT !! 4 select ARCH_SUPPORTS_UPROBES
6 select ARCH_BINFMT_ELF_STATE if MIPS_F !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE <<
13 select ARCH_HAS_KCOV <<
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT <<
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE <<
19 select ARCH_HAS_UBSAN <<
20 select ARCH_HAS_GCOV_PROFILE_ALL <<
21 select ARCH_KEEP_MEMBLOCK <<
22 select ARCH_USE_BUILTIN_BSWAP <<
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 7 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST !! 8 select ARCH_USE_BUILTIN_BSWAP
25 select ARCH_USE_QUEUED_RWLOCKS !! 9 select HAVE_CONTEXT_TRACKING
26 select ARCH_USE_QUEUED_SPINLOCKS !! 10 select HAVE_GENERIC_DMA_COHERENT
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ !! 11 select HAVE_IDE
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ !! 12 select HAVE_IRQ_EXIT_ON_IRQ_STACK
29 select ARCH_WANT_IPC_PARSE_VERSION !! 13 select HAVE_OPROFILE
30 select ARCH_WANT_LD_ORPHAN_WARN !! 14 select HAVE_PERF_EVENTS
31 select BUILDTIME_TABLE_SORT !! 15 select PERF_USE_VMALLOC
32 select CLONE_BACKWARDS <<
33 select CPU_NO_EFFICIENT_FFS if (TARGET <<
34 select CPU_PM if CPU_IDLE || SUSPEND <<
35 select GENERIC_ATOMIC64 if !64BIT <<
36 select GENERIC_CMOS_UPDATE <<
37 select GENERIC_CPU_AUTOPROBE <<
38 select GENERIC_GETTIMEOFDAY <<
39 select GENERIC_IOMAP <<
40 select GENERIC_IRQ_PROBE <<
41 select GENERIC_IRQ_SHOW <<
42 select GENERIC_ISA_DMA if EISA <<
43 select GENERIC_LIB_ASHLDI3 <<
44 select GENERIC_LIB_ASHRDI3 <<
45 select GENERIC_LIB_CMPDI2 <<
46 select GENERIC_LIB_LSHRDI3 <<
47 select GENERIC_LIB_UCMPDI2 <<
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ <<
49 select GENERIC_SMP_IDLE_THREAD <<
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL <<
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP <<
53 select HAS_IOPORT if !NO_IOPORT_MAP || <<
54 select HAVE_ARCH_COMPILER_H 16 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL !! 17 select HAVE_ARCH_KGDB
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO <<
57 select HAVE_ARCH_MMAP_RND_BITS if MMU <<
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS <<
59 select HAVE_ARCH_SECCOMP_FILTER 18 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 19 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE !! 20 select HAVE_BPF_JIT if !CPU_MICROMIPS
62 select HAVE_ASM_MODVERSIONS !! 21 select HAVE_FUNCTION_TRACER
63 select HAVE_CONTEXT_TRACKING_USER <<
64 select HAVE_TIF_NOHZ <<
65 select HAVE_C_RECORDMCOUNT <<
66 select HAVE_DEBUG_KMEMLEAK <<
67 select HAVE_DEBUG_STACKOVERFLOW <<
68 select HAVE_DMA_CONTIGUOUS <<
69 select HAVE_DYNAMIC_FTRACE 22 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS <<
71 select HAVE_EXIT_THREAD <<
72 select HAVE_GUP_FAST <<
73 select HAVE_FTRACE_MCOUNT_RECORD 23 select HAVE_FTRACE_MCOUNT_RECORD
>> 24 select HAVE_C_RECORDMCOUNT
74 select HAVE_FUNCTION_GRAPH_TRACER 25 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER <<
76 select HAVE_GCC_PLUGINS <<
77 select HAVE_GENERIC_VDSO <<
78 select HAVE_IOREMAP_PROT <<
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK <<
80 select HAVE_IRQ_TIME_ACCOUNTING <<
81 select HAVE_KPROBES 26 select HAVE_KPROBES
82 select HAVE_KRETPROBES 27 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT <<
84 select HAVE_MOD_ARCH_SPECIFIC <<
85 select HAVE_NMI <<
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON <<
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS <<
90 select HAVE_PERF_REGS <<
91 select HAVE_PERF_USER_STACK_DUMP <<
92 select HAVE_REGS_AND_STACK_ACCESS_API <<
93 select HAVE_RSEQ <<
94 select HAVE_SPARSE_SYSCALL_NR <<
95 select HAVE_STACKPROTECTOR <<
96 select HAVE_SYSCALL_TRACEPOINTS 28 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if !! 29 select HAVE_DEBUG_KMEMLEAK
>> 30 select HAVE_SYSCALL_TRACEPOINTS
>> 31 select ARCH_HAS_ELF_RANDOMIZE
>> 32 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 33 select RTC_LIB if !MACH_LOONGSON64
>> 34 select GENERIC_ATOMIC64 if !64BIT
>> 35 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
>> 36 select HAVE_DMA_ATTRS
>> 37 select HAVE_DMA_CONTIGUOUS
>> 38 select HAVE_DMA_API_DEBUG
>> 39 select GENERIC_IRQ_PROBE
>> 40 select GENERIC_IRQ_SHOW
>> 41 select GENERIC_PCI_IOMAP
>> 42 select HAVE_ARCH_JUMP_LABEL
>> 43 select ARCH_WANT_IPC_PARSE_VERSION
98 select IRQ_FORCED_THREADING 44 select IRQ_FORCED_THREADING
99 select ISA if EISA !! 45 select HAVE_MEMBLOCK
100 select LOCK_MM_AND_FIND_VMA !! 46 select HAVE_MEMBLOCK_NODE_MAP
>> 47 select ARCH_DISCARD_MEMBLOCK
>> 48 select GENERIC_SMP_IDLE_THREAD
>> 49 select BUILDTIME_EXTABLE_SORT
>> 50 select GENERIC_CLOCKEVENTS
>> 51 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
>> 52 select GENERIC_CMOS_UPDATE
>> 53 select HAVE_MOD_ARCH_SPECIFIC
>> 54 select VIRT_TO_BUS
101 select MODULES_USE_ELF_REL if MODULES 55 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 56 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC !! 57 select CLONE_BACKWARDS
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M !! 58 select HAVE_DEBUG_STACKOVERFLOW
105 select RTC_LIB !! 59 select HAVE_CC_STACKPROTECTOR
>> 60 select CPU_PM if CPU_IDLE
>> 61 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
>> 62 select ARCH_BINFMT_ELF_STATE
106 select SYSCTL_EXCEPTION_TRACE 63 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 64 select HAVE_VIRT_CPU_ACCOUNTING_GEN
108 select ARCH_HAS_ELFCORE_COMPAT !! 65 select HAVE_IRQ_TIME_ACCOUNTING
109 select HAVE_ARCH_KCSAN if 64BIT !! 66 select GENERIC_TIME_VSYSCALL
110 !! 67 select ARCH_CLOCKSOURCE_DATA
111 config MIPS_FIXUP_BIGPHYS_ADDR <<
112 bool <<
113 <<
114 config MIPS_GENERIC <<
115 bool <<
116 <<
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC <<
121 bool <<
122 select SYS_SUPPORTS_32BIT_KERNEL <<
123 select SYS_SUPPORTS_LITTLE_ENDIAN <<
124 select SYS_SUPPORTS_ZBOOT <<
125 select DMA_NONCOHERENT <<
126 select IRQ_MIPS_CPU <<
127 select PINCTRL <<
128 select GPIOLIB <<
129 select COMMON_CLK <<
130 select GENERIC_IRQ_CHIP <<
131 select BUILTIN_DTB if MIPS_NO_APPENDED <<
132 select USE_OF <<
133 select CPU_SUPPORTS_CPUFREQ <<
134 select MIPS_EXTERNAL_TIMER <<
135 68
136 menu "Machine selection" 69 menu "Machine selection"
137 70
138 choice 71 choice
139 prompt "System type" 72 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 73 default SGI_IP22
141 74
142 config MIPS_GENERIC_KERNEL !! 75 config MIPS_ALCHEMY
143 bool "Generic board-agnostic MIPS kern !! 76 bool "Alchemy processor based machines"
144 select MIPS_GENERIC !! 77 select ARCH_PHYS_ADDR_T_64BIT
145 select BOOT_RAW <<
146 select BUILTIN_DTB <<
147 select CEVT_R4K 78 select CEVT_R4K
148 select CLKSRC_MIPS_GIC <<
149 select COMMON_CLK <<
150 select CPU_MIPSR2_IRQ_EI <<
151 select CPU_MIPSR2_IRQ_VI <<
152 select CSRC_R4K 79 select CSRC_R4K
153 select DMA_NONCOHERENT <<
154 select HAVE_PCI <<
155 select IRQ_MIPS_CPU 80 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE !! 81 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
157 select MIPS_AUTO_PFN_OFFSET <<
158 select MIPS_CPU_SCACHE <<
159 select MIPS_GIC <<
160 select MIPS_L1_CACHE_SHIFT_7 <<
161 select NO_EXCEPT_FILL <<
162 select PCI_DRIVERS_GENERIC <<
163 select SMP_UP if SMP <<
164 select SWAP_IO_SPACE <<
165 select SYS_HAS_CPU_MIPS32_R1 82 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 <<
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 <<
169 select SYS_HAS_CPU_MIPS64_R1 <<
170 select SYS_HAS_CPU_MIPS64_R2 <<
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 <<
173 select SYS_SUPPORTS_32BIT_KERNEL 83 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL !! 84 select SYS_SUPPORTS_APM_EMULATION
175 select SYS_SUPPORTS_BIG_ENDIAN !! 85 select ARCH_REQUIRE_GPIOLIB
176 select SYS_SUPPORTS_HIGHMEM <<
177 select SYS_SUPPORTS_LITTLE_ENDIAN <<
178 select SYS_SUPPORTS_MICROMIPS <<
179 select SYS_SUPPORTS_MIPS16 <<
180 select SYS_SUPPORTS_MIPS_CPS <<
181 select SYS_SUPPORTS_MULTITHREADING <<
182 select SYS_SUPPORTS_RELOCATABLE <<
183 select SYS_SUPPORTS_SMARTMIPS <<
184 select SYS_SUPPORTS_ZBOOT 86 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT !! 87 select COMMON_CLK
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
192 select USE_OF <<
193 help <<
194 Select this to build a kernel which <<
195 generally using a flattened device t <<
196 using the boot protocol defined in t <<
197 Interface) specification. <<
198 88
199 config MIPS_ALCHEMY !! 89 config AR7
200 bool "Alchemy processor based machines !! 90 bool "Texas Instruments AR7"
201 select PHYS_ADDR_T_64BIT !! 91 select BOOT_ELF32
>> 92 select DMA_NONCOHERENT
202 select CEVT_R4K 93 select CEVT_R4K
203 select CSRC_R4K 94 select CSRC_R4K
204 select IRQ_MIPS_CPU 95 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 96 select NO_EXCEPT_FILL
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI !! 97 select SWAP_IO_SPACE
207 select SYS_HAS_CPU_MIPS32_R1 98 select SYS_HAS_CPU_MIPS32_R1
>> 99 select SYS_HAS_EARLY_PRINTK
208 select SYS_SUPPORTS_32BIT_KERNEL 100 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION !! 101 select SYS_SUPPORTS_LITTLE_ENDIAN
210 select GPIOLIB !! 102 select SYS_SUPPORTS_MIPS16
211 select SYS_SUPPORTS_ZBOOT !! 103 select SYS_SUPPORTS_ZBOOT_UART16550
212 select COMMON_CLK !! 104 select ARCH_REQUIRE_GPIOLIB
>> 105 select VLYNQ
>> 106 select HAVE_CLK
>> 107 help
>> 108 Support for the Texas Instruments AR7 System-on-a-Chip
>> 109 family: TNETD7100, 7200 and 7300.
213 110
214 config ATH25 111 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 112 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 113 select CEVT_R4K
217 select CSRC_R4K 114 select CSRC_R4K
218 select DMA_NONCOHERENT 115 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 116 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 117 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 118 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 119 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 120 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 121 select SYS_HAS_EARLY_PRINTK
225 help 122 help
226 Support for Atheros AR231x and Ather 123 Support for Atheros AR231x and Atheros AR531x based boards
227 124
228 config ATH79 125 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 126 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 127 select ARCH_HAS_RESET_CONTROLLER
>> 128 select ARCH_REQUIRE_GPIOLIB
231 select BOOT_RAW 129 select BOOT_RAW
232 select CEVT_R4K 130 select CEVT_R4K
233 select CSRC_R4K 131 select CSRC_R4K
234 select DMA_NONCOHERENT 132 select DMA_NONCOHERENT
235 select GPIOLIB !! 133 select HAVE_CLK
236 select PINCTRL <<
237 select COMMON_CLK 134 select COMMON_CLK
>> 135 select CLKDEV_LOOKUP
238 select IRQ_MIPS_CPU 136 select IRQ_MIPS_CPU
>> 137 select MIPS_MACHINE
239 select SYS_HAS_CPU_MIPS32_R2 138 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 139 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 140 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 141 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 142 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM !! 143 select SYS_SUPPORTS_ZBOOT
245 select USE_OF 144 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC <<
247 help 145 help
248 Support for the Atheros AR71XX/AR724 146 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 147
250 config BMIPS_GENERIC 148 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 149 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL <<
254 select BOOT_RAW 150 select BOOT_RAW
255 select NO_EXCEPT_FILL 151 select NO_EXCEPT_FILL
256 select USE_OF 152 select USE_OF
257 select CEVT_R4K 153 select CEVT_R4K
258 select CSRC_R4K 154 select CSRC_R4K
259 select SYNC_R4K 155 select SYNC_R4K
260 select COMMON_CLK 156 select COMMON_CLK
261 select BCM6345_L1_IRQ <<
262 select BCM7038_L1_IRQ 157 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 158 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 159 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 160 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 161 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 162 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 163 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 164 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 165 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 166 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 167 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 168 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 169 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 170 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 171 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 172 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 173 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 174 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND <<
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 175 help
285 Build a generic DT-based kernel imag 176 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 177 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 178 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 179 must be set appropriately for your board.
289 180
290 config BCM47XX 181 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 182 bool "Broadcom BCM47XX based boards"
>> 183 select ARCH_WANT_OPTIONAL_GPIOLIB
292 select BOOT_RAW 184 select BOOT_RAW
293 select CEVT_R4K 185 select CEVT_R4K
294 select CSRC_R4K 186 select CSRC_R4K
295 select DMA_NONCOHERENT 187 select DMA_NONCOHERENT
296 select HAVE_PCI !! 188 select HW_HAS_PCI
297 select IRQ_MIPS_CPU 189 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 190 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 191 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 192 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 193 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 194 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT <<
304 select SYS_HAS_EARLY_PRINTK 195 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 196 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 197 select GPIOLIB
307 select LEDS_GPIO_REGISTER 198 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 199 select BCM47XX_NVRAM
309 select BCM47XX_SPROM <<
310 select BCM47XX_SSB if !BCM47XX_BCMA <<
311 help 200 help
312 Support for BCM47XX based boards !! 201 Support for BCM47XX based boards
313 202
314 config BCM63XX 203 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 204 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 205 select BOOT_RAW
317 select CEVT_R4K 206 select CEVT_R4K
318 select CSRC_R4K 207 select CSRC_R4K
319 select SYNC_R4K 208 select SYNC_R4K
320 select DMA_NONCOHERENT 209 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 210 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 211 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 212 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 213 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 214 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 215 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 216 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 217 select SWAP_IO_SPACE
329 select GPIOLIB !! 218 select ARCH_REQUIRE_GPIOLIB
>> 219 select HAVE_CLK
330 select MIPS_L1_CACHE_SHIFT_4 220 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK <<
332 help 221 help
333 Support for BCM63XX based boards !! 222 Support for BCM63XX based boards
334 223
335 config MIPS_COBALT 224 config MIPS_COBALT
336 bool "Cobalt Server" 225 bool "Cobalt Server"
337 select CEVT_R4K 226 select CEVT_R4K
338 select CSRC_R4K 227 select CSRC_R4K
339 select CEVT_GT641XX 228 select CEVT_GT641XX
340 select DMA_NONCOHERENT 229 select DMA_NONCOHERENT
341 select FORCE_PCI !! 230 select HW_HAS_PCI
342 select I8253 231 select I8253
343 select I8259 232 select I8259
344 select IRQ_MIPS_CPU 233 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 234 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 235 select PCI_GT64XXX_PCI0
>> 236 select PCI
347 select SYS_HAS_CPU_NEVADA 237 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 238 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 239 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 240 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 241 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 242 select USE_GENERIC_EARLY_PRINTK_8250
353 243
354 config MACH_DECSTATION 244 config MACH_DECSTATION
355 bool "DECstations" 245 bool "DECstations"
356 select BOOT_ELF32 246 select BOOT_ELF32
357 select CEVT_DS1287 247 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 248 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 249 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 250 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 251 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 252 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 253 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 254 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 255 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 256 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 257 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 258 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 259 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 260 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 261 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 262 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 263 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 264 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 265 select MIPS_L1_CACHE_SHIFT_4
376 help 266 help
377 This enables support for DEC's MIPS 267 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 268 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 269 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 270
381 If you have one of the following DEC 271 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 272 want to choose R4xx0 for the CPU Type:
383 273
384 DECstation 5000/50 274 DECstation 5000/50
385 DECstation 5000/150 275 DECstation 5000/150
386 DECstation 5000/260 276 DECstation 5000/260
387 DECsystem 5900/260 277 DECsystem 5900/260
388 278
389 otherwise choose R3000. 279 otherwise choose R3000.
390 280
391 config MACH_JAZZ 281 config MACH_JAZZ
392 bool "Jazz family of machines" 282 bool "Jazz family of machines"
393 select ARC_MEMORY <<
394 select ARC_PROMLIB <<
395 select ARCH_MIGHT_HAVE_PC_PARPORT <<
396 select ARCH_MIGHT_HAVE_PC_SERIO <<
397 select FW_ARC 283 select FW_ARC
398 select FW_ARC32 284 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 285 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 286 select CEVT_R4K
401 select CSRC_R4K 287 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 288 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 289 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 290 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 291 select IRQ_MIPS_CPU
406 select I8253 292 select I8253
407 select I8259 293 select I8259
408 select ISA 294 select ISA
409 select SYS_HAS_CPU_R4X00 295 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 296 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 297 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 298 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 299 help
415 This a family of machines based on t !! 300 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS !! 301 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS !! 302 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. !! 303 Olivetti M700-10 workstations.
419 304
420 config MACH_INGENIC_SOC !! 305 config MACH_INGENIC
421 bool "Ingenic SoC based machines" 306 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC !! 307 select SYS_SUPPORTS_32BIT_KERNEL
423 select MACH_INGENIC !! 308 select SYS_SUPPORTS_LITTLE_ENDIAN
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 309 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ !! 310 select DMA_NONCOHERENT
427 select MIPS_EXTERNAL_TIMER !! 311 select IRQ_MIPS_CPU
>> 312 select ARCH_REQUIRE_GPIOLIB
>> 313 select COMMON_CLK
>> 314 select GENERIC_IRQ_CHIP
>> 315 select BUILTIN_DTB
>> 316 select USE_OF
>> 317 select LIBFDT
428 318
429 config LANTIQ 319 config LANTIQ
430 bool "Lantiq based platforms" 320 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 321 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 322 select IRQ_MIPS_CPU
433 select CEVT_R4K 323 select CEVT_R4K
434 select CSRC_R4K 324 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 325 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 326 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 327 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 328 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 329 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 330 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER <<
443 select SYS_HAS_EARLY_PRINTK 331 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB !! 332 select ARCH_REQUIRE_GPIOLIB
445 select SWAP_IO_SPACE 333 select SWAP_IO_SPACE
446 select BOOT_RAW 334 select BOOT_RAW
447 select HAVE_LEGACY_CLK !! 335 select HAVE_MACH_CLKDEV
>> 336 select CLKDEV_LOOKUP
448 select USE_OF 337 select USE_OF
449 select PINCTRL 338 select PINCTRL
450 select PINCTRL_LANTIQ 339 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 340 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 341 select RESET_CONTROLLER
453 342
>> 343 config LASAT
>> 344 bool "LASAT Networks platforms"
>> 345 select CEVT_R4K
>> 346 select CRC32
>> 347 select CSRC_R4K
>> 348 select DMA_NONCOHERENT
>> 349 select SYS_HAS_EARLY_PRINTK
>> 350 select HW_HAS_PCI
>> 351 select IRQ_MIPS_CPU
>> 352 select PCI_GT64XXX_PCI0
>> 353 select MIPS_NILE4
>> 354 select R5000_CPU_SCACHE
>> 355 select SYS_HAS_CPU_R5000
>> 356 select SYS_SUPPORTS_32BIT_KERNEL
>> 357 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 358 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 359
454 config MACH_LOONGSON32 360 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin !! 361 bool "Loongson-1 family of machines"
456 select SYS_SUPPORTS_ZBOOT 362 select SYS_SUPPORTS_ZBOOT
457 help 363 help
458 This enables support for the Loongso 364 This enables support for the Loongson-1 family of machines.
459 365
460 Loongson-1 is a family of 32-bit MIP 366 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 367 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 368 Sciences (CAS).
463 369
464 config MACH_LOONGSON2EF !! 370 config MACH_LOONGSON64
465 bool "Loongson-2E/F family of machines !! 371 bool "Loongson-2/3 family of machines"
466 select SYS_SUPPORTS_ZBOOT 372 select SYS_SUPPORTS_ZBOOT
467 help 373 help
468 This enables the support of early Lo !! 374 This enables the support of Loongson-2/3 family of machines.
469 375
470 config MACH_LOONGSON64 !! 376 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
471 bool "Loongson 64-bit family of machin !! 377 family of multi-core CPUs. They are both 64-bit general-purpose
472 select ARCH_DMA_DEFAULT_COHERENT !! 378 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
473 select ARCH_SPARSEMEM_ENABLE !! 379 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
474 select ARCH_MIGHT_HAVE_PC_PARPORT !! 380 in the People's Republic of China. The chief architect is Professor
475 select ARCH_MIGHT_HAVE_PC_SERIO !! 381 Weiwu Hu.
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN !! 382
>> 383 config MACH_PISTACHIO
>> 384 bool "IMG Pistachio SoC based boards"
>> 385 select ARCH_REQUIRE_GPIOLIB
477 select BOOT_ELF32 386 select BOOT_ELF32
478 select BOARD_SCACHE !! 387 select BOOT_RAW
479 select CSRC_R4K <<
480 select CEVT_R4K 388 select CEVT_R4K
481 select SYNC_R4K !! 389 select CLKSRC_MIPS_GIC
482 select FORCE_PCI !! 390 select COMMON_CLK
483 select ISA !! 391 select CSRC_R4K
484 select I8259 !! 392 select DMA_MAYBE_COHERENT
485 select IRQ_MIPS_CPU 393 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL !! 394 select LIBFDT
487 select NR_CPUS_DEFAULT_64 !! 395 select MFD_SYSCON
488 select USE_GENERIC_EARLY_PRINTK_8250 !! 396 select MIPS_CPU_SCACHE
489 select PCI_DRIVERS_GENERIC !! 397 select MIPS_GIC
490 select SYS_HAS_CPU_LOONGSON64 !! 398 select PINCTRL
491 select SYS_HAS_EARLY_PRINTK !! 399 select REGULATOR
492 select SYS_SUPPORTS_SMP !! 400 select SYS_HAS_CPU_MIPS32_R2
493 select SYS_SUPPORTS_HOTPLUG_CPU !! 401 select SYS_SUPPORTS_32BIT_KERNEL
494 select SYS_SUPPORTS_NUMA <<
495 select SYS_SUPPORTS_64BIT_KERNEL <<
496 select SYS_SUPPORTS_HIGHMEM <<
497 select SYS_SUPPORTS_LITTLE_ENDIAN 402 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 403 select SYS_SUPPORTS_MIPS_CPS
>> 404 select SYS_SUPPORTS_MULTITHREADING
498 select SYS_SUPPORTS_ZBOOT 405 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE !! 406 select SYS_HAS_EARLY_PRINTK
500 select ZONE_DMA32 !! 407 select USE_GENERIC_EARLY_PRINTK_8250
501 select COMMON_CLK <<
502 select USE_OF 408 select USE_OF
503 select BUILTIN_DTB <<
504 select PCI_HOST_GENERIC <<
505 help 409 help
506 This enables the support of Loongson !! 410 This enables support for the IMG Pistachio SoC platform.
507 411
508 Loongson-2 and Loongson-3 are 64-bit !! 412 config MACH_XILFPGA
509 GS264/GS464/GS464E/GS464V microarchi !! 413 bool "MIPSfpga Xilinx based boards"
510 and Loongson-2F which will be remove !! 414 select ARCH_REQUIRE_GPIOLIB
511 of Computing Technology (ICT), Chine !! 415 select BOOT_ELF32
>> 416 select BOOT_RAW
>> 417 select BUILTIN_DTB
>> 418 select CEVT_R4K
>> 419 select COMMON_CLK
>> 420 select CSRC_R4K
>> 421 select IRQ_MIPS_CPU
>> 422 select LIBFDT
>> 423 select MIPS_CPU_SCACHE
>> 424 select SYS_HAS_EARLY_PRINTK
>> 425 select SYS_HAS_CPU_MIPS32_R2
>> 426 select SYS_SUPPORTS_32BIT_KERNEL
>> 427 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 428 select SYS_SUPPORTS_ZBOOT_UART16550
>> 429 select USE_OF
>> 430 select USE_GENERIC_EARLY_PRINTK_8250
>> 431 help
>> 432 This enables support for the IMG University Program MIPSfpga platform.
512 433
513 config MIPS_MALTA 434 config MIPS_MALTA
514 bool "MIPS Malta board" 435 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 436 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT <<
517 select ARCH_MIGHT_HAVE_PC_SERIO <<
518 select BOOT_ELF32 437 select BOOT_ELF32
519 select BOOT_RAW 438 select BOOT_RAW
520 select BUILTIN_DTB 439 select BUILTIN_DTB
521 select CEVT_R4K 440 select CEVT_R4K
>> 441 select CSRC_R4K
522 select CLKSRC_MIPS_GIC 442 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 443 select COMMON_CLK
524 select CSRC_R4K !! 444 select DMA_MAYBE_COHERENT
525 select DMA_NONCOHERENT <<
526 select GENERIC_ISA_DMA 445 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 446 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI !! 447 select IRQ_MIPS_CPU
>> 448 select MIPS_GIC
>> 449 select HW_HAS_PCI
529 select I8253 450 select I8253
530 select I8259 451 select I8259
531 select IRQ_MIPS_CPU <<
532 select MIPS_BONITO64 452 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 453 select MIPS_CPU_SCACHE
534 select MIPS_GIC <<
535 select MIPS_L1_CACHE_SHIFT_6 454 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC <<
537 select PCI_GT64XXX_PCI0 455 select PCI_GT64XXX_PCI0
>> 456 select MIPS_MSC
538 select SMP_UP if SMP 457 select SMP_UP if SMP
539 select SWAP_IO_SPACE 458 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 459 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 460 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 461 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 462 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 463 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 464 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 465 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 466 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 467 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 468 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 469 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 470 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 471 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 472 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 473 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 474 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 !! 475 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 476 select SYS_SUPPORTS_MIPS_CPS
>> 477 select SYS_SUPPORTS_MIPS16
558 select SYS_SUPPORTS_MULTITHREADING 478 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE <<
560 select SYS_SUPPORTS_SMARTMIPS 479 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER <<
562 select SYS_SUPPORTS_ZBOOT 480 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 481 select USE_OF
564 select WAR_ICACHE_REFILLS <<
565 select ZONE_DMA32 if 64BIT 482 select ZONE_DMA32 if 64BIT
>> 483 select BUILTIN_DTB
>> 484 select LIBFDT
566 help 485 help
567 This enables support for the MIPS Te 486 This enables support for the MIPS Technologies Malta evaluation
568 board. 487 board.
569 488
570 config MACH_PIC32 !! 489 config MIPS_SEAD3
571 bool "Microchip PIC32 Family" !! 490 bool "MIPS SEAD3 board"
572 help !! 491 select BOOT_ELF32
573 This enables support for the Microch <<
574 <<
575 Microchip PIC32 is a family of gener <<
576 microcontrollers. <<
577 <<
578 config EYEQ <<
579 bool "Mobileye EyeQ SoC" <<
580 select MACH_GENERIC_CORE <<
581 select ARM_AMBA <<
582 select PHYSICAL_START_BOOL <<
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT <<
584 select BOOT_RAW 492 select BOOT_RAW
585 select BUILTIN_DTB 493 select BUILTIN_DTB
586 select CEVT_R4K 494 select CEVT_R4K
>> 495 select CSRC_R4K
587 select CLKSRC_MIPS_GIC 496 select CLKSRC_MIPS_GIC
588 select COMMON_CLK 497 select COMMON_CLK
589 select CPU_MIPSR2_IRQ_EI <<
590 select CPU_MIPSR2_IRQ_VI 498 select CPU_MIPSR2_IRQ_VI
591 select CSRC_R4K !! 499 select CPU_MIPSR2_IRQ_EI
592 select DMA_NONCOHERENT 500 select DMA_NONCOHERENT
593 select HAVE_PCI <<
594 select IRQ_MIPS_CPU 501 select IRQ_MIPS_CPU
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC 502 select MIPS_GIC
598 select MIPS_L1_CACHE_SHIFT_7 !! 503 select LIBFDT
599 select PCI_DRIVERS_GENERIC !! 504 select MIPS_MSC
600 select SMP_UP if SMP !! 505 select SYS_HAS_CPU_MIPS32_R1
601 select SWAP_IO_SPACE !! 506 select SYS_HAS_CPU_MIPS32_R2
602 select SYS_HAS_CPU_MIPS64_R6 !! 507 select SYS_HAS_CPU_MIPS64_R1
>> 508 select SYS_HAS_EARLY_PRINTK
>> 509 select SYS_SUPPORTS_32BIT_KERNEL
603 select SYS_SUPPORTS_64BIT_KERNEL 510 select SYS_SUPPORTS_64BIT_KERNEL
604 select SYS_SUPPORTS_HIGHMEM !! 511 select SYS_SUPPORTS_BIG_ENDIAN
605 select SYS_SUPPORTS_LITTLE_ENDIAN 512 select SYS_SUPPORTS_LITTLE_ENDIAN
606 select SYS_SUPPORTS_MIPS_CPS !! 513 select SYS_SUPPORTS_SMARTMIPS
607 select SYS_SUPPORTS_RELOCATABLE !! 514 select SYS_SUPPORTS_MICROMIPS
608 select SYS_SUPPORTS_ZBOOT !! 515 select SYS_SUPPORTS_MIPS16
609 select UHI_BOOT !! 516 select USB_EHCI_BIG_ENDIAN_DESC
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU !! 517 select USB_EHCI_BIG_ENDIAN_MMIO
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF 518 select USE_OF
617 help 519 help
618 Select this to build a kernel suppor !! 520 This enables support for the MIPS Technologies SEAD3 evaluation
>> 521 board.
619 522
620 bool !! 523 config NEC_MARKEINS
>> 524 bool "NEC EMMA2RH Mark-eins board"
>> 525 select SOC_EMMA2RH
>> 526 select HW_HAS_PCI
>> 527 help
>> 528 This enables support for the NEC Electronics Mark-eins boards.
621 529
622 config MACH_NINTENDO64 !! 530 config MACH_VR41XX
623 bool "Nintendo 64 console" !! 531 bool "NEC VR4100 series based machines"
>> 532 select CEVT_R4K
>> 533 select CSRC_R4K
>> 534 select SYS_HAS_CPU_VR41XX
>> 535 select SYS_SUPPORTS_MIPS16
>> 536 select ARCH_REQUIRE_GPIOLIB
>> 537
>> 538 config NXP_STB220
>> 539 bool "NXP STB220 board"
>> 540 select SOC_PNX833X
>> 541 help
>> 542 Support for NXP Semiconductors STB220 Development Board.
>> 543
>> 544 config NXP_STB225
>> 545 bool "NXP 225 board"
>> 546 select SOC_PNX833X
>> 547 select SOC_PNX8335
>> 548 help
>> 549 Support for NXP Semiconductors STB225 Development Board.
>> 550
>> 551 config PMC_MSP
>> 552 bool "PMC-Sierra MSP chipsets"
624 select CEVT_R4K 553 select CEVT_R4K
625 select CSRC_R4K 554 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 <<
627 select SYS_SUPPORTS_BIG_ENDIAN <<
628 select SYS_SUPPORTS_ZBOOT <<
629 select SYS_SUPPORTS_32BIT_KERNEL <<
630 select SYS_SUPPORTS_64BIT_KERNEL <<
631 select DMA_NONCOHERENT 555 select DMA_NONCOHERENT
>> 556 select SWAP_IO_SPACE
>> 557 select NO_EXCEPT_FILL
>> 558 select BOOT_RAW
>> 559 select SYS_HAS_CPU_MIPS32_R1
>> 560 select SYS_HAS_CPU_MIPS32_R2
>> 561 select SYS_SUPPORTS_32BIT_KERNEL
>> 562 select SYS_SUPPORTS_BIG_ENDIAN
>> 563 select SYS_SUPPORTS_MIPS16
632 select IRQ_MIPS_CPU 564 select IRQ_MIPS_CPU
>> 565 select SERIAL_8250
>> 566 select SERIAL_8250_CONSOLE
>> 567 select USB_EHCI_BIG_ENDIAN_MMIO
>> 568 select USB_EHCI_BIG_ENDIAN_DESC
>> 569 help
>> 570 This adds support for the PMC-Sierra family of Multi-Service
>> 571 Processor System-On-A-Chips. These parts include a number
>> 572 of integrated peripherals, interfaces and DSPs in addition to
>> 573 a variety of MIPS cores.
633 574
634 config RALINK 575 config RALINK
635 bool "Ralink based machines" 576 bool "Ralink based machines"
636 select CEVT_R4K 577 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 578 select CSRC_R4K
639 select BOOT_RAW 579 select BOOT_RAW
640 select DMA_NONCOHERENT 580 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 581 select IRQ_MIPS_CPU
642 select USE_OF 582 select USE_OF
>> 583 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 584 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 585 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 586 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 587 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT <<
648 select SYS_HAS_EARLY_PRINTK 588 select SYS_HAS_EARLY_PRINTK
>> 589 select HAVE_MACH_CLKDEV
>> 590 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 591 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 592 select RESET_CONTROLLER
651 593
652 config MACH_REALTEK_RTL <<
653 bool "Realtek RTL838x/RTL839x based ma <<
654 select MIPS_GENERIC <<
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT <<
657 select IRQ_MIPS_CPU <<
658 select CSRC_R4K <<
659 select CEVT_R4K <<
660 select SYS_HAS_CPU_MIPS32_R1 <<
661 select SYS_HAS_CPU_MIPS32_R2 <<
662 select SYS_SUPPORTS_BIG_ENDIAN <<
663 select SYS_SUPPORTS_32BIT_KERNEL <<
664 select SYS_SUPPORTS_MIPS16 <<
665 select SYS_SUPPORTS_MULTITHREADING <<
666 select SYS_SUPPORTS_VPE_LOADER <<
667 select BOOT_RAW <<
668 select PINCTRL <<
669 select USE_OF <<
670 select REALTEK_OTTO_TIMER <<
671 <<
672 config SGI_IP22 594 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 595 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY <<
675 select ARC_PROMLIB <<
676 select FW_ARC 596 select FW_ARC
677 select FW_ARC32 597 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO <<
679 select BOOT_ELF32 598 select BOOT_ELF32
680 select CEVT_R4K 599 select CEVT_R4K
681 select CSRC_R4K 600 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 601 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 602 select DMA_NONCOHERENT
684 select HAVE_EISA !! 603 select HW_HAS_EISA
685 select I8253 604 select I8253
686 select I8259 605 select I8259
687 select IP22_CPU_SCACHE 606 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 607 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 608 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 609 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 610 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 611 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 612 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 613 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 614 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 615 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 616 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 617 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK !! 618 #
>> 619 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 620 # memory during early boot on some machines.
>> 621 #
>> 622 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 623 # for a more details discussion
>> 624 #
>> 625 # select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 626 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 627 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 628 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP <<
704 select WAR_R4600_V1_HIT_CACHEOP <<
705 select WAR_R4600_V2_HIT_CACHEOP <<
706 select MIPS_L1_CACHE_SHIFT_7 629 select MIPS_L1_CACHE_SHIFT_7
707 help 630 help
708 This are the SGI Indy, Challenge S a 631 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 632 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 633 that runs on these, say Y here.
711 634
712 config SGI_IP27 635 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 636 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA <<
715 select ARCH_SPARSEMEM_ENABLE <<
716 select FW_ARC 637 select FW_ARC
717 select FW_ARC64 638 select FW_ARC64
718 select ARC_CMDLINE_ONLY <<
719 select BOOT_ELF64 639 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 640 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI !! 641 select DMA_COHERENT
722 select SYS_HAS_EARLY_PRINTK 642 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI !! 643 select HW_HAS_PCI
724 select IRQ_MIPS_CPU <<
725 select IRQ_DOMAIN_HIERARCHY <<
726 select NR_CPUS_DEFAULT_64 644 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC <<
728 select PCI_XTALK_BRIDGE <<
729 select SYS_HAS_CPU_R10000 645 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 646 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 647 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 648 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 649 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 650 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA <<
737 help 651 help
738 This are the SGI Origin 200, Origin 652 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 653 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 654 here.
741 655
742 config SGI_IP28 656 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 657 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY <<
745 select ARC_PROMLIB <<
746 select FW_ARC 658 select FW_ARC
747 select FW_ARC64 659 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO <<
749 select BOOT_ELF64 660 select BOOT_ELF64
750 select CEVT_R4K 661 select CEVT_R4K
751 select CSRC_R4K 662 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 663 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 664 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 665 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 666 select IRQ_MIPS_CPU
756 select HAVE_EISA !! 667 select HW_HAS_EISA
757 select I8253 668 select I8253
758 select I8259 669 select I8259
759 select SGI_HAS_I8042 670 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 671 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 672 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 673 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 674 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 675 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 676 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 677 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK !! 678 #
768 select SYS_SUPPORTS_64BIT_KERNEL !! 679 # Disable EARLY_PRINTK for now since it leads to overwritten prom
769 select SYS_SUPPORTS_BIG_ENDIAN !! 680 # memory during early boot on some machines.
770 select WAR_R10000_LLSC !! 681 #
771 select MIPS_L1_CACHE_SHIFT_7 !! 682 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
772 help !! 683 # for a more details discussion
773 This is the SGI Indigo2 with R10000 !! 684 #
774 kernel that runs on these, say Y her !! 685 # select SYS_HAS_EARLY_PRINTK
775 <<
776 config SGI_IP30 <<
777 bool "SGI IP30 (Octane/Octane2)" <<
778 select ARCH_HAS_PHYS_TO_DMA <<
779 select FW_ARC <<
780 select FW_ARC64 <<
781 select BOOT_ELF64 <<
782 select CEVT_R4K <<
783 select CSRC_R4K <<
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP <<
786 select ZONE_DMA32 <<
787 select HAVE_PCI <<
788 select IRQ_MIPS_CPU <<
789 select IRQ_DOMAIN_HIERARCHY <<
790 select PCI_DRIVERS_GENERIC <<
791 select PCI_XTALK_BRIDGE <<
792 select SYS_HAS_EARLY_PRINTK <<
793 select SYS_HAS_CPU_R10000 <<
794 select SYS_SUPPORTS_64BIT_KERNEL 686 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 687 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP <<
797 select WAR_R10000_LLSC <<
798 select MIPS_L1_CACHE_SHIFT_7 688 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY !! 689 help
800 help !! 690 This is the SGI Indigo2 with R10000 processor. To compile a Linux
801 These are the SGI Octane and Octane2 !! 691 kernel that runs on these, say Y here.
802 compile a Linux kernel that runs on <<
803 692
804 config SGI_IP32 693 config SGI_IP32
805 bool "SGI IP32 (O2)" 694 bool "SGI IP32 (O2)"
806 select ARC_MEMORY <<
807 select ARC_PROMLIB <<
808 select ARCH_HAS_PHYS_TO_DMA <<
809 select FW_ARC 695 select FW_ARC
810 select FW_ARC32 696 select FW_ARC32
811 select BOOT_ELF32 697 select BOOT_ELF32
812 select CEVT_R4K 698 select CEVT_R4K
813 select CSRC_R4K 699 select CSRC_R4K
814 select DMA_NONCOHERENT 700 select DMA_NONCOHERENT
815 select HAVE_PCI !! 701 select HW_HAS_PCI
816 select IRQ_MIPS_CPU 702 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 703 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 704 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 705 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 706 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 707 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 708 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 709 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 710 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 711 help
827 If you want this kernel to run on SG 712 If you want this kernel to run on SGI O2 workstation, say Y here.
828 713
>> 714 config SIBYTE_CRHINE
>> 715 bool "Sibyte BCM91120C-CRhine"
>> 716 select BOOT_ELF32
>> 717 select DMA_COHERENT
>> 718 select SIBYTE_BCM1120
>> 719 select SWAP_IO_SPACE
>> 720 select SYS_HAS_CPU_SB1
>> 721 select SYS_SUPPORTS_BIG_ENDIAN
>> 722 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 723
>> 724 config SIBYTE_CARMEL
>> 725 bool "Sibyte BCM91120x-Carmel"
>> 726 select BOOT_ELF32
>> 727 select DMA_COHERENT
>> 728 select SIBYTE_BCM1120
>> 729 select SWAP_IO_SPACE
>> 730 select SYS_HAS_CPU_SB1
>> 731 select SYS_SUPPORTS_BIG_ENDIAN
>> 732 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 733
829 config SIBYTE_CRHONE 734 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 735 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 736 select BOOT_ELF32
>> 737 select DMA_COHERENT
832 select SIBYTE_BCM1125 738 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 739 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 740 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 741 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 742 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 743 select SYS_SUPPORTS_LITTLE_ENDIAN
838 744
839 config SIBYTE_RHONE 745 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 746 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 747 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 748 select DMA_COHERENT
>> 749 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 750 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 751 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 752 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 753 select SYS_SUPPORTS_LITTLE_ENDIAN
847 754
848 config SIBYTE_SWARM 755 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 756 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 757 select BOOT_ELF32
>> 758 select DMA_COHERENT
851 select HAVE_PATA_PLATFORM 759 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 760 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 761 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 762 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 763 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 764 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 765 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 766 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
860 767
861 config SIBYTE_LITTLESUR 768 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 769 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 770 select BOOT_ELF32
>> 771 select DMA_COHERENT
864 select HAVE_PATA_PLATFORM 772 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 773 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 774 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 775 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 776 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 777 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 778 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 779 select ZONE_DMA32 if 64BIT
872 780
873 config SIBYTE_SENTOSA 781 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 782 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 783 select BOOT_ELF32
>> 784 select DMA_COHERENT
876 select SIBYTE_SB1250 785 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 786 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 787 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 788 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 789 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
882 790
883 config SIBYTE_BIGSUR 791 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 792 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 793 select BOOT_ELF32
>> 794 select DMA_COHERENT
886 select NR_CPUS_DEFAULT_4 795 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 796 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 797 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 798 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 799 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 800 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 801 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 802 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
895 803
896 config SNI_RM 804 config SNI_RM
897 bool "SNI RM200/300/400" 805 bool "SNI RM200/300/400"
898 select ARC_MEMORY <<
899 select ARC_PROMLIB <<
900 select FW_ARC if CPU_LITTLE_ENDIAN 806 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 807 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 808 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 809 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT <<
905 select ARCH_MIGHT_HAVE_PC_SERIO <<
906 select BOOT_ELF32 810 select BOOT_ELF32
907 select CEVT_R4K 811 select CEVT_R4K
908 select CSRC_R4K 812 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 813 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 814 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 815 select GENERIC_ISA_DMA
912 select HAVE_EISA <<
913 select HAVE_PCSPKR_PLATFORM 816 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI !! 817 select HW_HAS_EISA
>> 818 select HW_HAS_PCI
915 select IRQ_MIPS_CPU 819 select IRQ_MIPS_CPU
916 select I8253 820 select I8253
917 select I8259 821 select I8259
918 select ISA 822 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 823 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 824 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 825 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 826 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 827 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 828 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 829 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 830 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 831 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 832 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 833 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 834 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 835 help
933 The SNI RM200/300/400 are MIPS-based 836 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 837 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 838 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 839 support this machine type.
937 840
>> 841 config MACH_TX39XX
>> 842 bool "Toshiba TX39 series based machines"
>> 843
938 config MACH_TX49XX 844 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 845 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 846
942 config MIKROTIK_RB532 847 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 848 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 849 select CEVT_R4K
945 select CSRC_R4K 850 select CSRC_R4K
946 select DMA_NONCOHERENT 851 select DMA_NONCOHERENT
947 select HAVE_PCI !! 852 select HW_HAS_PCI
948 select IRQ_MIPS_CPU 853 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 854 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 855 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 856 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 857 select SWAP_IO_SPACE
953 select BOOT_RAW 858 select BOOT_RAW
954 select GPIOLIB !! 859 select ARCH_REQUIRE_GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 860 select MIPS_L1_CACHE_SHIFT_4
956 help 861 help
957 Support the Mikrotik(tm) RouterBoard 862 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 863 based on the IDT RC32434 SoC.
959 864
960 config CAVIUM_OCTEON_SOC 865 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 866 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 867 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA !! 868 select ARCH_PHYS_ADDR_T_64BIT
964 select HAVE_RAPIDIO !! 869 select DMA_COHERENT
965 select PHYS_ADDR_T_64BIT <<
966 select SYS_SUPPORTS_64BIT_KERNEL 870 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 871 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 872 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 873 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 874 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 875 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 876 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 877 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI !! 878 select SWAP_IO_SPACE
975 select HAVE_PLAT_DELAY !! 879 select HW_HAS_PCI
976 select HAVE_PLAT_FW_INIT_CMDLINE <<
977 select HAVE_PLAT_MEMCPY <<
978 select ZONE_DMA32 880 select ZONE_DMA32
979 select GPIOLIB !! 881 select HOLES_IN_ZONE
>> 882 select ARCH_REQUIRE_GPIOLIB
>> 883 select LIBFDT
980 select USE_OF 884 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 885 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 886 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 !! 887 select NR_CPUS_DEFAULT_16
984 select MIPS_NR_CPU_NR_MAP_1024 <<
985 select BUILTIN_DTB 888 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 889 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB <<
989 select SYS_SUPPORTS_RELOCATABLE <<
990 help 890 help
991 This option supports all of the Octe 891 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 892 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 893 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 894 Some of the supported boards are:
995 EBT3000 895 EBT3000
996 EBH3000 896 EBH3000
997 EBH3100 897 EBH3100
998 Thunder 898 Thunder
999 Kodama 899 Kodama
1000 Hikari 900 Hikari
1001 Say Y here for most Octeon referenc 901 Say Y here for most Octeon reference boards.
1002 902
1003 endchoice !! 903 config NLM_XLR_BOARD
>> 904 bool "Netlogic XLR/XLS based systems"
>> 905 select BOOT_ELF32
>> 906 select NLM_COMMON
>> 907 select SYS_HAS_CPU_XLR
>> 908 select SYS_SUPPORTS_SMP
>> 909 select HW_HAS_PCI
>> 910 select SWAP_IO_SPACE
>> 911 select SYS_SUPPORTS_32BIT_KERNEL
>> 912 select SYS_SUPPORTS_64BIT_KERNEL
>> 913 select ARCH_PHYS_ADDR_T_64BIT
>> 914 select SYS_SUPPORTS_BIG_ENDIAN
>> 915 select SYS_SUPPORTS_HIGHMEM
>> 916 select DMA_COHERENT
>> 917 select NR_CPUS_DEFAULT_32
>> 918 select CEVT_R4K
>> 919 select CSRC_R4K
>> 920 select IRQ_MIPS_CPU
>> 921 select ZONE_DMA32 if 64BIT
>> 922 select SYNC_R4K
>> 923 select SYS_HAS_EARLY_PRINTK
>> 924 select SYS_SUPPORTS_ZBOOT
>> 925 select SYS_SUPPORTS_ZBOOT_UART16550
>> 926 help
>> 927 Support for systems based on Netlogic XLR and XLS processors.
>> 928 Say Y here if you have a XLR or XLS based board.
1004 929
1005 config FIT_IMAGE_FDT_EPM5 !! 930 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 931 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 932 select BOOT_ELF32
1008 default n !! 933 select NLM_COMMON
>> 934 select SYS_HAS_CPU_XLP
>> 935 select SYS_SUPPORTS_SMP
>> 936 select HW_HAS_PCI
>> 937 select SYS_SUPPORTS_32BIT_KERNEL
>> 938 select SYS_SUPPORTS_64BIT_KERNEL
>> 939 select ARCH_PHYS_ADDR_T_64BIT
>> 940 select ARCH_REQUIRE_GPIOLIB
>> 941 select SYS_SUPPORTS_BIG_ENDIAN
>> 942 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 943 select SYS_SUPPORTS_HIGHMEM
>> 944 select DMA_COHERENT
>> 945 select NR_CPUS_DEFAULT_32
>> 946 select CEVT_R4K
>> 947 select CSRC_R4K
>> 948 select IRQ_MIPS_CPU
>> 949 select ZONE_DMA32 if 64BIT
>> 950 select SYNC_R4K
>> 951 select SYS_HAS_EARLY_PRINTK
>> 952 select USE_OF
>> 953 select SYS_SUPPORTS_ZBOOT
>> 954 select SYS_SUPPORTS_ZBOOT_UART16550
>> 955 help
>> 956 This board is based on Netlogic XLP Processor.
>> 957 Say Y here if you have a XLP based board.
>> 958
>> 959 config MIPS_PARAVIRT
>> 960 bool "Para-Virtualized guest system"
>> 961 select CEVT_R4K
>> 962 select CSRC_R4K
>> 963 select DMA_COHERENT
>> 964 select SYS_SUPPORTS_64BIT_KERNEL
>> 965 select SYS_SUPPORTS_32BIT_KERNEL
>> 966 select SYS_SUPPORTS_BIG_ENDIAN
>> 967 select SYS_SUPPORTS_SMP
>> 968 select NR_CPUS_DEFAULT_4
>> 969 select SYS_HAS_EARLY_PRINTK
>> 970 select SYS_HAS_CPU_MIPS32_R2
>> 971 select SYS_HAS_CPU_MIPS64_R2
>> 972 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 973 select HW_HAS_PCI
>> 974 select SWAP_IO_SPACE
1009 help 975 help
1010 Enable this to include the FDT for !! 976 This option supports guest running under ????
1011 from Mobileye in the FIT kernel ima !! 977
1012 This requires u-boot on the platfor !! 978 endchoice
1013 979
1014 source "arch/mips/alchemy/Kconfig" 980 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 981 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 982 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 983 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 984 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 985 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" <<
1021 source "arch/mips/ingenic/Kconfig" <<
1022 source "arch/mips/jazz/Kconfig" 986 source "arch/mips/jazz/Kconfig"
>> 987 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 988 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 989 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig" !! 990 source "arch/mips/pistachio/Kconfig"
>> 991 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 992 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 993 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 994 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 995 source "arch/mips/txx9/Kconfig"
>> 996 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 997 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" <<
1032 source "arch/mips/loongson32/Kconfig" 998 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 999 source "arch/mips/loongson64/Kconfig"
>> 1000 source "arch/mips/netlogic/Kconfig"
>> 1001 source "arch/mips/paravirt/Kconfig"
>> 1002 source "arch/mips/xilfpga/Kconfig"
1034 1003
1035 endmenu 1004 endmenu
1036 1005
>> 1006 config RWSEM_GENERIC_SPINLOCK
>> 1007 bool
>> 1008 default y
>> 1009
>> 1010 config RWSEM_XCHGADD_ALGORITHM
>> 1011 bool
>> 1012
>> 1013 config ARCH_HAS_ILOG2_U32
>> 1014 bool
>> 1015 default n
>> 1016
>> 1017 config ARCH_HAS_ILOG2_U64
>> 1018 bool
>> 1019 default n
>> 1020
1037 config GENERIC_HWEIGHT 1021 config GENERIC_HWEIGHT
1038 bool 1022 bool
1039 default y 1023 default y
1040 1024
1041 config GENERIC_CALIBRATE_DELAY 1025 config GENERIC_CALIBRATE_DELAY
1042 bool 1026 bool
1043 default y 1027 default y
1044 1028
1045 config SCHED_OMIT_FRAME_POINTER 1029 config SCHED_OMIT_FRAME_POINTER
1046 bool 1030 bool
1047 default y 1031 default y
1048 1032
1049 # 1033 #
1050 # Select some configuration options automatic 1034 # Select some configuration options automatically based on user selections.
1051 # 1035 #
1052 config FW_ARC 1036 config FW_ARC
1053 bool 1037 bool
1054 1038
1055 config ARCH_MAY_HAVE_PC_FDC 1039 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1040 bool
1057 1041
1058 config BOOT_RAW 1042 config BOOT_RAW
1059 bool 1043 bool
1060 1044
1061 config CEVT_BCM1480 1045 config CEVT_BCM1480
1062 bool 1046 bool
1063 1047
1064 config CEVT_DS1287 1048 config CEVT_DS1287
1065 bool 1049 bool
1066 1050
1067 config CEVT_GT641XX 1051 config CEVT_GT641XX
1068 bool 1052 bool
1069 1053
1070 config CEVT_R4K 1054 config CEVT_R4K
1071 bool 1055 bool
1072 1056
1073 config CEVT_SB1250 1057 config CEVT_SB1250
1074 bool 1058 bool
1075 1059
1076 config CEVT_TXX9 1060 config CEVT_TXX9
1077 bool 1061 bool
1078 1062
1079 config CSRC_BCM1480 1063 config CSRC_BCM1480
1080 bool 1064 bool
1081 1065
1082 config CSRC_IOASIC 1066 config CSRC_IOASIC
1083 bool 1067 bool
1084 1068
1085 config CSRC_R4K 1069 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR <<
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1070 bool
1089 1071
1090 config CSRC_SB1250 1072 config CSRC_SB1250
1091 bool 1073 bool
1092 1074
1093 config MIPS_CLOCK_VSYSCALL 1075 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1076 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1077
1096 config GPIO_TXX9 1078 config GPIO_TXX9
1097 select GPIOLIB !! 1079 select ARCH_REQUIRE_GPIOLIB
1098 bool 1080 bool
1099 1081
1100 config FW_CFE 1082 config FW_CFE
1101 bool 1083 bool
1102 1084
>> 1085 config ARCH_DMA_ADDR_T_64BIT
>> 1086 def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
>> 1087
1103 config ARCH_SUPPORTS_UPROBES 1088 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1089 bool
>> 1090
>> 1091 config DMA_MAYBE_COHERENT
>> 1092 select DMA_NONCOHERENT
>> 1093 bool
>> 1094
>> 1095 config DMA_COHERENT
>> 1096 bool
1105 1097
1106 config DMA_NONCOHERENT 1098 config DMA_NONCOHERENT
1107 bool 1099 bool
1108 # <<
1109 # MIPS allows mixing "slightly differ <<
1110 # Attribute bits. It is believed tha <<
1111 # KSEG1 and the implementation specif <<
1112 # by pgprot_writcombine can be mixed, <<
1113 # significant advantages. <<
1114 # <<
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE <<
1117 select ARCH_HAS_DMA_PREP_COHERENT <<
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE <<
1120 select ARCH_HAS_DMA_SET_UNCACHED <<
1121 select DMA_NONCOHERENT_MMAP <<
1122 select NEED_DMA_MAP_STATE 1100 select NEED_DMA_MAP_STATE
1123 1101
>> 1102 config NEED_DMA_MAP_STATE
>> 1103 bool
>> 1104
1124 config SYS_HAS_EARLY_PRINTK 1105 config SYS_HAS_EARLY_PRINTK
1125 bool 1106 bool
1126 1107
>> 1108 config HOTPLUG_CPU
>> 1109 bool "Support for hot-pluggable CPUs"
>> 1110 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
>> 1111 help
>> 1112 Say Y here to allow turning CPUs off and on. CPUs can be
>> 1113 controlled through /sys/devices/system/cpu.
>> 1114 (Note: power management support will enable this option
>> 1115 automatically on SMP systems. )
>> 1116 Say N if you want to disable CPU hotplug.
>> 1117
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1118 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1119 bool
1129 1120
1130 config MIPS_BONITO64 1121 config MIPS_BONITO64
1131 bool 1122 bool
1132 1123
1133 config MIPS_MSC 1124 config MIPS_MSC
1134 bool 1125 bool
1135 1126
>> 1127 config MIPS_NILE4
>> 1128 bool
>> 1129
1136 config SYNC_R4K 1130 config SYNC_R4K
1137 bool 1131 bool
1138 1132
>> 1133 config MIPS_MACHINE
>> 1134 def_bool n
>> 1135
1139 config NO_IOPORT_MAP 1136 config NO_IOPORT_MAP
1140 def_bool n 1137 def_bool n
1141 1138
1142 config GENERIC_CSUM 1139 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR !! 1140 bool
1144 1141
1145 config GENERIC_ISA_DMA 1142 config GENERIC_ISA_DMA
1146 bool 1143 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1144 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1145 select ISA_DMA_API
1149 1146
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1147 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1148 bool
1152 select GENERIC_ISA_DMA 1149 select GENERIC_ISA_DMA
1153 1150
1154 config HAVE_PLAT_DELAY <<
1155 bool <<
1156 <<
1157 config HAVE_PLAT_FW_INIT_CMDLINE <<
1158 bool <<
1159 <<
1160 config HAVE_PLAT_MEMCPY <<
1161 bool <<
1162 <<
1163 config ISA_DMA_API 1151 config ISA_DMA_API
1164 bool 1152 bool
1165 1153
1166 config SYS_SUPPORTS_RELOCATABLE !! 1154 config HOLES_IN_ZONE
1167 bool 1155 bool
1168 help <<
1169 Selected if the platform supports r <<
1170 The platform must provide plat_get_ <<
1171 to allow access to command line and <<
1172 1156
1173 # 1157 #
1174 # Endianness selection. Sufficiently obscure 1158 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1159 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1160 # choice statement should be more obvious to the user.
1177 # 1161 #
1178 choice 1162 choice
1179 prompt "Endianness selection" 1163 prompt "Endianness selection"
1180 help 1164 help
1181 Some MIPS machines can be configure 1165 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1166 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1167 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1168 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1169 one or the other endianness.
1186 1170
1187 config CPU_BIG_ENDIAN 1171 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1172 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1173 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1174
1191 config CPU_LITTLE_ENDIAN 1175 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1176 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1177 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1178
1195 endchoice 1179 endchoice
1196 1180
1197 config EXPORT_UASM 1181 config EXPORT_UASM
1198 bool 1182 bool
1199 1183
1200 config SYS_SUPPORTS_APM_EMULATION 1184 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1185 bool
1202 1186
1203 config SYS_SUPPORTS_BIG_ENDIAN 1187 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1188 bool
1205 1189
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1190 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1191 bool
1208 1192
>> 1193 config SYS_SUPPORTS_HUGETLBFS
>> 1194 bool
>> 1195 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 1196 default y
>> 1197
1209 config MIPS_HUGE_TLB_SUPPORT 1198 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1199 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1200
>> 1201 config IRQ_CPU_RM7K
>> 1202 bool
>> 1203
>> 1204 config IRQ_MSP_SLP
>> 1205 bool
>> 1206
>> 1207 config IRQ_MSP_CIC
>> 1208 bool
>> 1209
1212 config IRQ_TXX9 1210 config IRQ_TXX9
1213 bool 1211 bool
1214 1212
1215 config IRQ_GT641XX 1213 config IRQ_GT641XX
1216 bool 1214 bool
1217 1215
1218 config PCI_GT64XXX_PCI0 1216 config PCI_GT64XXX_PCI0
1219 bool 1217 bool
1220 1218
1221 config PCI_XTALK_BRIDGE !! 1219 config NO_EXCEPT_FILL
1222 bool 1220 bool
1223 1221
1224 config NO_EXCEPT_FILL !! 1222 config SOC_EMMA2RH
>> 1223 bool
>> 1224 select CEVT_R4K
>> 1225 select CSRC_R4K
>> 1226 select DMA_NONCOHERENT
>> 1227 select IRQ_MIPS_CPU
>> 1228 select SWAP_IO_SPACE
>> 1229 select SYS_HAS_CPU_R5500
>> 1230 select SYS_SUPPORTS_32BIT_KERNEL
>> 1231 select SYS_SUPPORTS_64BIT_KERNEL
>> 1232 select SYS_SUPPORTS_BIG_ENDIAN
>> 1233
>> 1234 config SOC_PNX833X
>> 1235 bool
>> 1236 select CEVT_R4K
>> 1237 select CSRC_R4K
>> 1238 select IRQ_MIPS_CPU
>> 1239 select DMA_NONCOHERENT
>> 1240 select SYS_HAS_CPU_MIPS32_R2
>> 1241 select SYS_SUPPORTS_32BIT_KERNEL
>> 1242 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1243 select SYS_SUPPORTS_BIG_ENDIAN
>> 1244 select SYS_SUPPORTS_MIPS16
>> 1245 select CPU_MIPSR2_IRQ_VI
>> 1246
>> 1247 config SOC_PNX8335
1225 bool 1248 bool
>> 1249 select SOC_PNX833X
1226 1250
1227 config MIPS_SPRAM 1251 config MIPS_SPRAM
1228 bool 1252 bool
1229 1253
1230 config SWAP_IO_SPACE 1254 config SWAP_IO_SPACE
1231 bool 1255 bool
1232 1256
1233 config SGI_HAS_INDYDOG 1257 config SGI_HAS_INDYDOG
1234 bool 1258 bool
1235 1259
1236 config SGI_HAS_HAL2 1260 config SGI_HAS_HAL2
1237 bool 1261 bool
1238 1262
1239 config SGI_HAS_SEEQ 1263 config SGI_HAS_SEEQ
1240 bool 1264 bool
1241 1265
1242 config SGI_HAS_WD93 1266 config SGI_HAS_WD93
1243 bool 1267 bool
1244 1268
1245 config SGI_HAS_ZILOG 1269 config SGI_HAS_ZILOG
1246 bool 1270 bool
1247 1271
1248 config SGI_HAS_I8042 1272 config SGI_HAS_I8042
1249 bool 1273 bool
1250 1274
1251 config DEFAULT_SGI_PARTITION 1275 config DEFAULT_SGI_PARTITION
1252 bool 1276 bool
1253 1277
1254 config FW_ARC32 1278 config FW_ARC32
1255 bool 1279 bool
1256 1280
1257 config FW_SNIPROM 1281 config FW_SNIPROM
1258 bool 1282 bool
1259 1283
1260 config BOOT_ELF32 1284 config BOOT_ELF32
1261 bool 1285 bool
1262 1286
1263 config MIPS_L1_CACHE_SHIFT_4 1287 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1288 bool
1265 1289
1266 config MIPS_L1_CACHE_SHIFT_5 1290 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1291 bool
1268 1292
1269 config MIPS_L1_CACHE_SHIFT_6 1293 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1294 bool
1271 1295
1272 config MIPS_L1_CACHE_SHIFT_7 1296 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1297 bool
1274 1298
1275 config MIPS_L1_CACHE_SHIFT 1299 config MIPS_L1_CACHE_SHIFT
1276 int 1300 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1301 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1302 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1303 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1304 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1305 default "5"
1282 1306
1283 config ARC_CMDLINE_ONLY !! 1307 config HAVE_STD_PC_SERIAL_PORT
1284 bool 1308 bool
1285 1309
1286 config ARC_CONSOLE 1310 config ARC_CONSOLE
1287 bool "ARC console support" 1311 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1312 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1313
1290 config ARC_MEMORY 1314 config ARC_MEMORY
1291 bool 1315 bool
>> 1316 depends on MACH_JAZZ || SNI_RM || SGI_IP32
>> 1317 default y
1292 1318
1293 config ARC_PROMLIB 1319 config ARC_PROMLIB
1294 bool 1320 bool
>> 1321 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
>> 1322 default y
1295 1323
1296 config FW_ARC64 1324 config FW_ARC64
1297 bool 1325 bool
1298 1326
1299 config BOOT_ELF64 1327 config BOOT_ELF64
1300 bool 1328 bool
1301 1329
1302 menu "CPU selection" 1330 menu "CPU selection"
1303 1331
1304 choice 1332 choice
1305 prompt "CPU type" 1333 prompt "CPU type"
1306 default CPU_R4X00 1334 default CPU_R4X00
1307 1335
1308 config CPU_LOONGSON64 !! 1336 config CPU_LOONGSON3
1309 bool "Loongson 64-bit CPU" !! 1337 bool "Loongson 3 CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 !! 1338 depends on SYS_HAS_CPU_LOONGSON3
1311 select ARCH_HAS_PHYS_TO_DMA <<
1312 select CPU_MIPSR2 <<
1313 select CPU_HAS_PREFETCH <<
1314 select CPU_SUPPORTS_64BIT_KERNEL 1339 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1340 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1341 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA <<
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ <<
1320 select CPU_MIPSR2_IRQ_VI <<
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1342 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1343 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE !! 1344 select ARCH_REQUIRE_GPIOLIB
1325 select MIPS_PGD_C0_CONTEXT <<
1326 select MIPS_L1_CACHE_SHIFT_6 <<
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB <<
1329 select SWIOTLB <<
1330 help 1345 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1346 The Loongson 3 processor implements the MIPS64R2 instruction
1332 cores implements the MIPS64R2 instr !! 1347 set with many extensions.
1333 including most 64-bit Loongson-2 (2 <<
1334 3B1000, 3B1500, 3A2000, 3A3000 and <<
1335 Loongson-2E/2F is not covered here <<
1336 1348
1337 config CPU_LOONGSON2E 1349 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1350 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1351 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF !! 1352 select CPU_LOONGSON2
1341 help 1353 help
1342 The Loongson 2E processor implement 1354 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1355 with many extensions.
1344 1356
1345 It has an internal FPGA northbridge 1357 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1358 bonito64.
1347 1359
1348 config CPU_LOONGSON2F 1360 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1361 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1362 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF !! 1363 select CPU_LOONGSON2
>> 1364 select ARCH_REQUIRE_GPIOLIB
1352 help 1365 help
1353 The Loongson 2F processor implement 1366 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1367 with many extensions.
1355 1368
1356 Loongson2F have built-in DDR2 and P 1369 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1370 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1371 Loongson2E.
1359 1372
1360 config CPU_LOONGSON1B 1373 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1374 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1375 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 !! 1376 select CPU_LOONGSON1
1364 select LEDS_GPIO_REGISTER <<
1365 help 1377 help
1366 The Loongson 1B is a 32-bit SoC, wh 1378 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part !! 1379 release 2 instruction set.
1368 instruction set. <<
1369 <<
1370 config CPU_LOONGSON1C <<
1371 bool "Loongson 1C" <<
1372 depends on SYS_HAS_CPU_LOONGSON1C <<
1373 select CPU_LOONGSON32 <<
1374 select LEDS_GPIO_REGISTER <<
1375 help <<
1376 The Loongson 1C is a 32-bit SoC, wh <<
1377 Release 1 instruction set and part <<
1378 instruction set. <<
1379 1380
1380 config CPU_MIPS32_R1 1381 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1382 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1383 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1384 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1385 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1386 select CPU_SUPPORTS_HIGHMEM
1386 help 1387 help
1387 Choose this option to build a kerne 1388 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1389 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1390 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1391 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1392 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1393 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1394 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1395 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1396 performance.
1396 1397
1397 config CPU_MIPS32_R2 1398 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1399 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1400 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1401 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1402 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1403 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1404 select CPU_SUPPORTS_MSA
>> 1405 select HAVE_KVM
1404 help 1406 help
1405 Choose this option to build a kerne 1407 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1408 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1409 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1410 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1411 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1412
1411 config CPU_MIPS32_R5 <<
1412 bool "MIPS32 Release 5" <<
1413 depends on SYS_HAS_CPU_MIPS32_R5 <<
1414 select CPU_HAS_PREFETCH <<
1415 select CPU_SUPPORTS_32BIT_KERNEL <<
1416 select CPU_SUPPORTS_HIGHMEM <<
1417 select CPU_SUPPORTS_MSA <<
1418 select CPU_SUPPORTS_VZ <<
1419 select MIPS_O32_FP64_SUPPORT <<
1420 help <<
1421 Choose this option to build a kerne <<
1422 MIPS32 architecture. New MIPS proc <<
1423 family, are based on a MIPS32r5 pro <<
1424 processor, you probably need to sel <<
1425 <<
1426 config CPU_MIPS32_R6 1413 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1414 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1415 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1416 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR <<
1431 select CPU_SUPPORTS_32BIT_KERNEL 1417 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1418 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1419 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1420 select GENERIC_CSUM
>> 1421 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1422 select MIPS_O32_FP64_SUPPORT
1436 help 1423 help
1437 Choose this option to build a kerne 1424 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1425 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1426 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1427 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1428
1442 config CPU_MIPS64_R1 1429 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1430 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1431 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1432 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1433 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1434 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1435 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1436 select CPU_SUPPORTS_HUGEPAGES
1450 help 1437 help
1451 Choose this option to build a kerne 1438 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1439 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1440 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1441 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1442 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1443 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1444 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1445 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1446 performance.
1460 1447
1461 config CPU_MIPS64_R2 1448 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1449 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1450 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1451 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1452 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1453 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1454 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1455 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1456 select CPU_SUPPORTS_MSA
1470 help 1457 help
1471 Choose this option to build a kerne 1458 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1459 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1460 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1461 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1462 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1463
1477 config CPU_MIPS64_R5 <<
1478 bool "MIPS64 Release 5" <<
1479 depends on SYS_HAS_CPU_MIPS64_R5 <<
1480 select CPU_HAS_PREFETCH <<
1481 select CPU_SUPPORTS_32BIT_KERNEL <<
1482 select CPU_SUPPORTS_64BIT_KERNEL <<
1483 select CPU_SUPPORTS_HIGHMEM <<
1484 select CPU_SUPPORTS_HUGEPAGES <<
1485 select CPU_SUPPORTS_MSA <<
1486 select MIPS_O32_FP64_SUPPORT if 32BIT <<
1487 select CPU_SUPPORTS_VZ <<
1488 help <<
1489 Choose this option to build a kerne <<
1490 MIPS64 architecture. This is a int <<
1491 release partly implementing release <<
1492 any hardware known to be based on t <<
1493 <<
1494 config CPU_MIPS64_R6 1464 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1465 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1466 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1467 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR <<
1499 select CPU_SUPPORTS_32BIT_KERNEL 1468 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1469 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1470 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES <<
1503 select CPU_SUPPORTS_MSA 1471 select CPU_SUPPORTS_MSA
>> 1472 select GENERIC_CSUM
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1473 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ <<
1506 help 1474 help
1507 Choose this option to build a kerne 1475 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1476 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1477 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1478 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1479
1512 config CPU_P5600 <<
1513 bool "MIPS Warrior P5600" <<
1514 depends on SYS_HAS_CPU_P5600 <<
1515 select CPU_HAS_PREFETCH <<
1516 select CPU_SUPPORTS_32BIT_KERNEL <<
1517 select CPU_SUPPORTS_HIGHMEM <<
1518 select CPU_SUPPORTS_MSA <<
1519 select CPU_SUPPORTS_CPUFREQ <<
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI <<
1522 select CPU_MIPSR2_IRQ_EI <<
1523 select MIPS_O32_FP64_SUPPORT <<
1524 help <<
1525 Choose this option to build a kerne <<
1526 It's based on MIPS32r5 ISA with XPA <<
1527 MMU with two-levels TLB, UCA, MSA, <<
1528 level features like up to six P5600 <<
1529 cache, IOCU/IOMMU (though might be <<
1530 specific IP core configuration), GI <<
1531 eJTAG and PDtrace. <<
1532 <<
1533 config CPU_R3000 1480 config CPU_R3000
1534 bool "R3000" 1481 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1482 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1483 select CPU_HAS_WB
1537 select CPU_R3K_TLB <<
1538 select CPU_SUPPORTS_32BIT_KERNEL 1484 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1485 select CPU_SUPPORTS_HIGHMEM
1540 help 1486 help
1541 Please make sure to pick the right 1487 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1488 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1489 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1490 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1491 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1492 try to recompile with R3000.
1547 1493
>> 1494 config CPU_TX39XX
>> 1495 bool "R39XX"
>> 1496 depends on SYS_HAS_CPU_TX39XX
>> 1497 select CPU_SUPPORTS_32BIT_KERNEL
>> 1498
>> 1499 config CPU_VR41XX
>> 1500 bool "R41xx"
>> 1501 depends on SYS_HAS_CPU_VR41XX
>> 1502 select CPU_SUPPORTS_32BIT_KERNEL
>> 1503 select CPU_SUPPORTS_64BIT_KERNEL
>> 1504 help
>> 1505 The options selects support for the NEC VR4100 series of processors.
>> 1506 Only choose this option if you have one of these processors as a
>> 1507 kernel built with this option will not run on any other type of
>> 1508 processor or vice versa.
>> 1509
1548 config CPU_R4300 1510 config CPU_R4300
1549 bool "R4300" 1511 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1512 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1513 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1514 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1515 help
1554 MIPS Technologies R4300-series proc 1516 MIPS Technologies R4300-series processors.
1555 1517
1556 config CPU_R4X00 1518 config CPU_R4X00
1557 bool "R4x00" 1519 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1520 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1521 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1522 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1523 select CPU_SUPPORTS_HUGEPAGES
1562 help 1524 help
1563 MIPS Technologies R4000-series proc 1525 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1526 the R4000, R4400, R4600, and 4700.
1565 1527
1566 config CPU_TX49XX 1528 config CPU_TX49XX
1567 bool "R49XX" 1529 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1530 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1531 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1532 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1533 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1534 select CPU_SUPPORTS_HUGEPAGES
1573 1535
1574 config CPU_R5000 1536 config CPU_R5000
1575 bool "R5000" 1537 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1538 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1539 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1540 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1541 select CPU_SUPPORTS_HUGEPAGES
1580 help 1542 help
1581 MIPS Technologies R5000-series proc 1543 MIPS Technologies R5000-series processors other than the Nevada.
1582 1544
>> 1545 config CPU_R5432
>> 1546 bool "R5432"
>> 1547 depends on SYS_HAS_CPU_R5432
>> 1548 select CPU_SUPPORTS_32BIT_KERNEL
>> 1549 select CPU_SUPPORTS_64BIT_KERNEL
>> 1550 select CPU_SUPPORTS_HUGEPAGES
>> 1551
1583 config CPU_R5500 1552 config CPU_R5500
1584 bool "R5500" 1553 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1554 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1555 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1556 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1557 select CPU_SUPPORTS_HUGEPAGES
1589 help 1558 help
1590 NEC VR5500 and VR5500A series proce 1559 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1560 instruction set.
1592 1561
>> 1562 config CPU_R6000
>> 1563 bool "R6000"
>> 1564 depends on SYS_HAS_CPU_R6000
>> 1565 select CPU_SUPPORTS_32BIT_KERNEL
>> 1566 help
>> 1567 MIPS Technologies R6000 and R6000A series processors. Note these
>> 1568 processors are extremely rare and the support for them is incomplete.
>> 1569
1593 config CPU_NEVADA 1570 config CPU_NEVADA
1594 bool "RM52xx" 1571 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1572 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1573 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1574 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1575 select CPU_SUPPORTS_HUGEPAGES
1599 help 1576 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1577 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1578
>> 1579 config CPU_R8000
>> 1580 bool "R8000"
>> 1581 depends on SYS_HAS_CPU_R8000
>> 1582 select CPU_HAS_PREFETCH
>> 1583 select CPU_SUPPORTS_64BIT_KERNEL
>> 1584 help
>> 1585 MIPS Technologies R8000 processors. Note these processors are
>> 1586 uncommon and the support for them is incomplete.
>> 1587
1602 config CPU_R10000 1588 config CPU_R10000
1603 bool "R10000" 1589 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1590 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1591 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1592 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1593 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1594 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1595 select CPU_SUPPORTS_HUGEPAGES
1610 help 1596 help
1611 MIPS Technologies R10000-series pro 1597 MIPS Technologies R10000-series processors.
1612 1598
1613 config CPU_RM7000 1599 config CPU_RM7000
1614 bool "RM7000" 1600 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1601 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1602 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1603 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1604 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1605 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1606 select CPU_SUPPORTS_HUGEPAGES
1621 1607
1622 config CPU_SB1 1608 config CPU_SB1
1623 bool "SB1" 1609 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1610 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1611 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1612 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1613 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1614 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1615 select WEAK_ORDERING
1630 1616
1631 config CPU_CAVIUM_OCTEON 1617 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1618 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1619 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1620 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1621 select CPU_SUPPORTS_64BIT_KERNEL
1636 select HAVE_PAGE_SIZE_8KB if !MIPS_VA <<
1637 select HAVE_PAGE_SIZE_32KB if !MIPS_V <<
1638 select WEAK_ORDERING 1622 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1623 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1624 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1625 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1626 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1627 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ <<
1645 help 1628 help
1646 The Cavium Octeon processor is a hi 1629 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1630 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1631 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1632 Full details can be found at http://www.caviumnetworks.com.
1650 1633
1651 config CPU_BMIPS 1634 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1635 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1636 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1637 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1638 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1639 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1640 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1641 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1642 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1643 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1644 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1645 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1646 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1647 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1648 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ <<
1667 select MIPS_EXTERNAL_TIMER <<
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1649 help
1670 Support for BMIPS32/3300/4350/4380 1650 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1651
1672 endchoice !! 1652 config CPU_XLR
1673 !! 1653 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1654 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1655 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1656 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1657 select CPU_SUPPORTS_HIGHMEM
>> 1658 select CPU_SUPPORTS_HUGEPAGES
>> 1659 select WEAK_ORDERING
>> 1660 select WEAK_REORDERING_BEYOND_LLSC
1678 help 1661 help
1679 New Loongson-3 cores (since Loongso !! 1662 Netlogic Microsystems XLR/XLS processors.
1680 R1, Loongson-3B R1 and Loongson-3B <<
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc <<
1682 Local register, Read-Inhibit/Execut <<
1683 Fast TLB refill support, etc. <<
1684 <<
1685 This option enable those enhancemen <<
1686 time. If you want a generic kernel <<
1687 please say 'N' here. If you want a <<
1688 new Loongson-3 machines only, pleas <<
1689 <<
1690 config CPU_LOONGSON3_WORKAROUNDS <<
1691 bool "Loongson-3 LLSC Workarounds" <<
1692 default y if SMP <<
1693 depends on CPU_LOONGSON64 <<
1694 help <<
1695 Loongson-3 processors have the llsc <<
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 <<
1700 config CPU_LOONGSON3_CPUCFG_EMULATION <<
1701 bool "Emulate the CPUCFG instruction <<
1702 default y <<
1703 depends on CPU_LOONGSON64 <<
1704 help <<
1705 Loongson-3A R4 and newer have the C <<
1706 userland to query CPU capabilities, <<
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 1663
1710 If unsure, please say Y. !! 1664 config CPU_XLP
>> 1665 bool "Netlogic XLP SoC"
>> 1666 depends on SYS_HAS_CPU_XLP
>> 1667 select CPU_SUPPORTS_32BIT_KERNEL
>> 1668 select CPU_SUPPORTS_64BIT_KERNEL
>> 1669 select CPU_SUPPORTS_HIGHMEM
>> 1670 select WEAK_ORDERING
>> 1671 select WEAK_REORDERING_BEYOND_LLSC
>> 1672 select CPU_HAS_PREFETCH
>> 1673 select CPU_MIPSR2
>> 1674 select CPU_SUPPORTS_HUGEPAGES
>> 1675 help
>> 1676 Netlogic Microsystems XLP processors.
>> 1677 endchoice
1711 1678
1712 config CPU_MIPS32_3_5_FEATURES 1679 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1680 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1681 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1682 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716 CPU_P5600 <<
1717 help 1683 help
1718 Choose this option to build a kerne 1684 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1685 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1686 support for Enhanced Virtual Addressing (EVA).
1721 1687
1722 config CPU_MIPS32_3_5_EVA 1688 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1689 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1690 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1691 select EVA
1726 default y 1692 default y
1727 help 1693 help
1728 Choose this option if you want to e 1694 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1695 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1696 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1697 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1698
1733 config CPU_MIPS32_R5_FEATURES 1699 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1700 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1701 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1702 depends on CPU_MIPS32_R2
1737 help 1703 help
1738 Choose this option to build a kerne 1704 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1705 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1706 support for Extended Physical Addressing (XPA).
1741 1707
1742 config CPU_MIPS32_R5_XPA 1708 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1709 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1710 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1711 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1712 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1713 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1714 select XPA
1749 select HIGHMEM 1715 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT !! 1716 select ARCH_PHYS_ADDR_T_64BIT
1751 default n 1717 default n
1752 help 1718 help
1753 Choose this option if you want to e 1719 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1720 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1721 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1722 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1723 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1724 If unsure, say 'N' here.
1759 1725
1760 if CPU_LOONGSON2F 1726 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1727 config CPU_NOP_WORKAROUNDS
1762 bool 1728 bool
1763 1729
1764 config CPU_JUMP_WORKAROUNDS 1730 config CPU_JUMP_WORKAROUNDS
1765 bool 1731 bool
1766 1732
1767 config CPU_LOONGSON2F_WORKAROUNDS 1733 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1734 bool "Loongson 2F Workarounds"
1769 default y 1735 default y
1770 select CPU_NOP_WORKAROUNDS 1736 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1737 select CPU_JUMP_WORKAROUNDS
1772 help 1738 help
1773 Loongson 2F01 / 2F02 processors hav 1739 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1740 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1741 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1742 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1743
1778 Loongson 2F03 and later have fixed 1744 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1745 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1746 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1747 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1748 systems.
1783 1749
1784 If unsure, please say Y. 1750 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1751 endif # CPU_LOONGSON2F
1786 1752
1787 config SYS_SUPPORTS_ZBOOT 1753 config SYS_SUPPORTS_ZBOOT
1788 bool 1754 bool
1789 select HAVE_KERNEL_GZIP 1755 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1756 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1757 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1758 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1759 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1760 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD <<
1796 1761
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1762 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1763 bool
1799 select SYS_SUPPORTS_ZBOOT 1764 select SYS_SUPPORTS_ZBOOT
1800 1765
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM !! 1766 config CPU_LOONGSON2
1802 bool <<
1803 select SYS_SUPPORTS_ZBOOT <<
1804 <<
1805 config CPU_LOONGSON2EF <<
1806 bool 1767 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1768 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1769 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1770 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1771 select CPU_SUPPORTS_HUGEPAGES
1811 1772
1812 config CPU_LOONGSON32 !! 1773 config CPU_LOONGSON1
1813 bool 1774 bool
1814 select CPU_MIPS32 1775 select CPU_MIPS32
1815 select CPU_MIPSR2 1776 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1777 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1778 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1779 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1780 select CPU_SUPPORTS_CPUFREQ
1820 1781
1821 config CPU_BMIPS32_3300 1782 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1783 select SMP_UP if SMP
1823 bool 1784 bool
1824 1785
1825 config CPU_BMIPS4350 1786 config CPU_BMIPS4350
1826 bool 1787 bool
1827 select SYS_SUPPORTS_SMP 1788 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1789 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1790
1830 config CPU_BMIPS4380 1791 config CPU_BMIPS4380
1831 bool 1792 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1793 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1794 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1795 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI <<
1836 1796
1837 config CPU_BMIPS5000 1797 config CPU_BMIPS5000
1838 bool 1798 bool
1839 select MIPS_CPU_SCACHE 1799 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1800 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1801 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1802 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI <<
1844 1803
1845 config SYS_HAS_CPU_LOONGSON64 !! 1804 config SYS_HAS_CPU_LOONGSON3
1846 bool 1805 bool
1847 select CPU_SUPPORTS_CPUFREQ 1806 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI <<
1849 1807
1850 config SYS_HAS_CPU_LOONGSON2E 1808 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1809 bool
1852 1810
1853 config SYS_HAS_CPU_LOONGSON2F 1811 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1812 bool
1855 select CPU_SUPPORTS_CPUFREQ 1813 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1814 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1815 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1857 1816
1858 config SYS_HAS_CPU_LOONGSON1B 1817 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1818 bool
1860 1819
1861 config SYS_HAS_CPU_LOONGSON1C <<
1862 bool <<
1863 <<
1864 config SYS_HAS_CPU_MIPS32_R1 1820 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1821 bool
1866 1822
1867 config SYS_HAS_CPU_MIPS32_R2 1823 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1824 bool
1869 1825
1870 config SYS_HAS_CPU_MIPS32_R3_5 1826 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1827 bool
1872 1828
1873 config SYS_HAS_CPU_MIPS32_R5 1829 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1830 bool
1875 1831
1876 config SYS_HAS_CPU_MIPS32_R6 1832 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1833 bool
1878 1834
1879 config SYS_HAS_CPU_MIPS64_R1 1835 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1836 bool
1881 1837
1882 config SYS_HAS_CPU_MIPS64_R2 1838 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1839 bool
1884 1840
1885 config SYS_HAS_CPU_MIPS64_R5 !! 1841 config SYS_HAS_CPU_MIPS64_R6
1886 bool 1842 bool
1887 1843
1888 config SYS_HAS_CPU_MIPS64_R6 !! 1844 config SYS_HAS_CPU_R3000
1889 bool 1845 bool
1890 1846
1891 config SYS_HAS_CPU_P5600 !! 1847 config SYS_HAS_CPU_TX39XX
1892 bool 1848 bool
1893 1849
1894 config SYS_HAS_CPU_R3000 !! 1850 config SYS_HAS_CPU_VR41XX
1895 bool 1851 bool
1896 1852
1897 config SYS_HAS_CPU_R4300 1853 config SYS_HAS_CPU_R4300
1898 bool 1854 bool
1899 1855
1900 config SYS_HAS_CPU_R4X00 1856 config SYS_HAS_CPU_R4X00
1901 bool 1857 bool
1902 1858
1903 config SYS_HAS_CPU_TX49XX 1859 config SYS_HAS_CPU_TX49XX
1904 bool 1860 bool
1905 1861
1906 config SYS_HAS_CPU_R5000 1862 config SYS_HAS_CPU_R5000
1907 bool 1863 bool
1908 1864
>> 1865 config SYS_HAS_CPU_R5432
>> 1866 bool
>> 1867
1909 config SYS_HAS_CPU_R5500 1868 config SYS_HAS_CPU_R5500
1910 bool 1869 bool
1911 1870
>> 1871 config SYS_HAS_CPU_R6000
>> 1872 bool
>> 1873
1912 config SYS_HAS_CPU_NEVADA 1874 config SYS_HAS_CPU_NEVADA
1913 bool 1875 bool
1914 1876
>> 1877 config SYS_HAS_CPU_R8000
>> 1878 bool
>> 1879
1915 config SYS_HAS_CPU_R10000 1880 config SYS_HAS_CPU_R10000
1916 bool 1881 bool
1917 1882
1918 config SYS_HAS_CPU_RM7000 1883 config SYS_HAS_CPU_RM7000
1919 bool 1884 bool
1920 1885
1921 config SYS_HAS_CPU_SB1 1886 config SYS_HAS_CPU_SB1
1922 bool 1887 bool
1923 1888
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1889 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1890 bool
1926 1891
1927 config SYS_HAS_CPU_BMIPS 1892 config SYS_HAS_CPU_BMIPS
1928 bool 1893 bool
1929 1894
1930 config SYS_HAS_CPU_BMIPS32_3300 1895 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1896 bool
1932 select SYS_HAS_CPU_BMIPS 1897 select SYS_HAS_CPU_BMIPS
1933 1898
1934 config SYS_HAS_CPU_BMIPS4350 1899 config SYS_HAS_CPU_BMIPS4350
1935 bool 1900 bool
1936 select SYS_HAS_CPU_BMIPS 1901 select SYS_HAS_CPU_BMIPS
1937 1902
1938 config SYS_HAS_CPU_BMIPS4380 1903 config SYS_HAS_CPU_BMIPS4380
1939 bool 1904 bool
1940 select SYS_HAS_CPU_BMIPS 1905 select SYS_HAS_CPU_BMIPS
1941 1906
1942 config SYS_HAS_CPU_BMIPS5000 1907 config SYS_HAS_CPU_BMIPS5000
1943 bool 1908 bool
1944 select SYS_HAS_CPU_BMIPS 1909 select SYS_HAS_CPU_BMIPS
1945 1910
>> 1911 config SYS_HAS_CPU_XLR
>> 1912 bool
>> 1913
>> 1914 config SYS_HAS_CPU_XLP
>> 1915 bool
>> 1916
>> 1917 config MIPS_MALTA_PM
>> 1918 depends on MIPS_MALTA
>> 1919 depends on PCI
>> 1920 bool
>> 1921 default y
>> 1922
1946 # 1923 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1924 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1925 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1926 #
1950 config WEAK_ORDERING 1927 config WEAK_ORDERING
1951 bool 1928 bool
1952 1929
1953 # 1930 #
1954 # CPU may reorder reads and writes beyond LL/ 1931 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1932 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1933 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1934 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1935 bool
1959 endmenu 1936 endmenu
1960 1937
1961 # 1938 #
1962 # These two indicate any level of the MIPS32 1939 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1940 #
1964 config CPU_MIPS32 1941 config CPU_MIPS32
1965 bool 1942 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 1943 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 1944
1969 config CPU_MIPS64 1945 config CPU_MIPS64
1970 bool 1946 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 1947 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 1948
1974 # 1949 #
1975 # These indicate the revision of the architec !! 1950 # These two indicate the revision of the architecture, either Release 1 or Release 2
1976 # 1951 #
1977 config CPU_MIPSR1 1952 config CPU_MIPSR1
1978 bool 1953 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1954 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1955
1981 config CPU_MIPSR2 1956 config CPU_MIPSR2
1982 bool 1957 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1958 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI <<
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
1986 select MIPS_SPRAM <<
1987 <<
1988 config CPU_MIPSR5 <<
1989 bool <<
1990 default y if CPU_MIPS32_R5 || CPU_MIP <<
1991 select CPU_HAS_RIXI <<
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
1993 select MIPS_SPRAM 1959 select MIPS_SPRAM
1994 1960
1995 config CPU_MIPSR6 1961 config CPU_MIPSR6
1996 bool 1962 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 1963 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI <<
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
2000 select HAVE_ARCH_BITREVERSE <<
2001 select MIPS_ASID_BITS_VARIABLE <<
2002 select MIPS_CRC_SUPPORT <<
2003 select MIPS_SPRAM 1964 select MIPS_SPRAM
2004 1965
2005 config TARGET_ISA_REV <<
2006 int <<
2007 default 1 if CPU_MIPSR1 <<
2008 default 2 if CPU_MIPSR2 <<
2009 default 5 if CPU_MIPSR5 <<
2010 default 6 if CPU_MIPSR6 <<
2011 default 0 <<
2012 help <<
2013 Reflects the ISA revision being tar <<
2014 is effectively the Kconfig equivale <<
2015 <<
2016 config EVA 1966 config EVA
2017 bool 1967 bool
2018 1968
2019 config XPA 1969 config XPA
2020 bool 1970 bool
2021 1971
2022 config SYS_SUPPORTS_32BIT_KERNEL 1972 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 1973 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 1974 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 1975 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 1976 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 1977 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 1978 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 1979 bool
2030 config CPU_SUPPORTS_CPUFREQ 1980 config CPU_SUPPORTS_CPUFREQ
2031 bool 1981 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 1982 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 1983 bool
2034 config CPU_SUPPORTS_HUGEPAGES 1984 config CPU_SUPPORTS_HUGEPAGES
2035 bool 1985 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 1986 config CPU_SUPPORTS_UNCACHED_ACCELERATED
2037 config CPU_SUPPORTS_VZ <<
2038 bool 1987 bool
2039 config MIPS_PGD_C0_CONTEXT 1988 config MIPS_PGD_C0_CONTEXT
2040 bool 1989 bool
2041 depends on 64BIT !! 1990 default y if 64BIT && CPU_MIPSR2 && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 1991
2044 # 1992 #
2045 # Set to y for ptrace access to watch registe 1993 # Set to y for ptrace access to watch registers.
2046 # 1994 #
2047 config HARDWARE_WATCHPOINTS 1995 config HARDWARE_WATCHPOINTS
2048 bool !! 1996 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 !! 1997 default y if CPU_MIPSR1 || CPU_MIPSR2
2050 1998
2051 menu "Kernel type" 1999 menu "Kernel type"
2052 2000
2053 choice 2001 choice
2054 prompt "Kernel code model" 2002 prompt "Kernel code model"
2055 help 2003 help
2056 You should only select this option 2004 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2005 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2006 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2007 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2008
2061 config 32BIT 2009 config 32BIT
2062 bool "32-bit kernel" 2010 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2011 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2012 select TRAD_SIGNALS
2065 help 2013 help
2066 Select this option if you want to b 2014 Select this option if you want to build a 32-bit kernel.
2067 2015
2068 config 64BIT 2016 config 64BIT
2069 bool "64-bit kernel" 2017 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2018 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2019 help
2072 Select this option if you want to b 2020 Select this option if you want to build a 64-bit kernel.
2073 2021
2074 endchoice 2022 endchoice
2075 2023
2076 config MIPS_VA_BITS_48 !! 2024 config KVM_GUEST
2077 bool "48 bits virtual memory" !! 2025 bool "KVM Guest Kernel"
2078 depends on 64BIT !! 2026 depends on BROKEN_ON_SMP
2079 help !! 2027 help
2080 Support a maximum at least 48 bits !! 2028 Select this option if building a guest kernel for KVM (Trap & Emulate) mode
2081 memory. Default is 40 bits or less !! 2029
2082 For page sizes 16k and above, this !! 2030 config KVM_GUEST_TIMER_FREQ
2083 memory overhead for page tables. F !! 2031 int "Count/Compare Timer Frequency (MHz)"
2084 level of page tables is added which !! 2032 depends on KVM_GUEST
2085 overhead as well as slower TLB faul !! 2033 default 100
>> 2034 help
>> 2035 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2036 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2037 timer frequency is specified directly.
2086 2038
2087 If unsure, say N. !! 2039 choice
>> 2040 prompt "Kernel page size"
>> 2041 default PAGE_SIZE_4KB
2088 2042
2089 config ZBOOT_LOAD_ADDRESS !! 2043 config PAGE_SIZE_4KB
2090 hex "Compressed kernel load address" !! 2044 bool "4kB"
2091 default 0xffffffff80400000 if BCM47XX !! 2045 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
2092 default 0x0 !! 2046 help
2093 depends on SYS_SUPPORTS_ZBOOT !! 2047 This option select the standard 4kB Linux page size. On some
2094 help !! 2048 R3000-family processors this is the only available page size. Using
2095 The address to load compressed kern !! 2049 4kB page size will minimize memory consumption and is therefore
>> 2050 recommended for low memory systems.
>> 2051
>> 2052 config PAGE_SIZE_8KB
>> 2053 bool "8kB"
>> 2054 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2055 help
>> 2056 Using 8kB page size will result in higher performance kernel at
>> 2057 the price of higher memory consumption. This option is available
>> 2058 only on R8000 and cnMIPS processors. Note that you will need a
>> 2059 suitable Linux distribution to support this.
>> 2060
>> 2061 config PAGE_SIZE_16KB
>> 2062 bool "16kB"
>> 2063 depends on !CPU_R3000 && !CPU_TX39XX
>> 2064 help
>> 2065 Using 16kB page size will result in higher performance kernel at
>> 2066 the price of higher memory consumption. This option is available on
>> 2067 all non-R3000 family processors. Note that you will need a suitable
>> 2068 Linux distribution to support this.
>> 2069
>> 2070 config PAGE_SIZE_32KB
>> 2071 bool "32kB"
>> 2072 depends on CPU_CAVIUM_OCTEON
>> 2073 help
>> 2074 Using 32kB page size will result in higher performance kernel at
>> 2075 the price of higher memory consumption. This option is available
>> 2076 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2077 distribution to support this.
>> 2078
>> 2079 config PAGE_SIZE_64KB
>> 2080 bool "64kB"
>> 2081 depends on !CPU_R3000 && !CPU_TX39XX
>> 2082 help
>> 2083 Using 64kB page size will result in higher performance kernel at
>> 2084 the price of higher memory consumption. This option is available on
>> 2085 all non-R3000 family processor. Not that at the time of this
>> 2086 writing this option is still high experimental.
2096 2087
2097 This is only used if non-zero. !! 2088 endchoice
2098 2089
2099 config ARCH_FORCE_MAX_ORDER !! 2090 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2091 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2092 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2093 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2094 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2095 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2096 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2097 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2098 range 11 64
>> 2099 default "11"
2105 help 2100 help
2106 The kernel memory allocator divides 2101 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2102 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2103 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2104 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2105 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2106 increase this value.
2112 2107
>> 2108 This config option is actually maximum order plus one. For example,
>> 2109 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2110
2113 The page size is not necessarily 4K 2111 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2112 when choosing a value for this option.
2115 2113
2116 config BOARD_SCACHE 2114 config BOARD_SCACHE
2117 bool 2115 bool
2118 2116
2119 config IP22_CPU_SCACHE 2117 config IP22_CPU_SCACHE
2120 bool 2118 bool
2121 select BOARD_SCACHE 2119 select BOARD_SCACHE
2122 2120
2123 # 2121 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2122 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2123 #
2126 config MIPS_CPU_SCACHE 2124 config MIPS_CPU_SCACHE
2127 bool 2125 bool
2128 select BOARD_SCACHE 2126 select BOARD_SCACHE
2129 2127
2130 config R5000_CPU_SCACHE 2128 config R5000_CPU_SCACHE
2131 bool 2129 bool
2132 select BOARD_SCACHE 2130 select BOARD_SCACHE
2133 2131
2134 config RM7000_CPU_SCACHE 2132 config RM7000_CPU_SCACHE
2135 bool 2133 bool
2136 select BOARD_SCACHE 2134 select BOARD_SCACHE
2137 2135
2138 config SIBYTE_DMA_PAGEOPS 2136 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2137 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2138 depends on CPU_SB1
2141 help 2139 help
2142 Instead of using the CPU to zero an 2140 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2141 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2142 SiByte Linux port. Seems to give a small performance benefit.
2145 2143
2146 config CPU_HAS_PREFETCH 2144 config CPU_HAS_PREFETCH
2147 bool 2145 bool
2148 2146
2149 config CPU_GENERIC_DUMP_TLB 2147 config CPU_GENERIC_DUMP_TLB
2150 bool 2148 bool
2151 default y if !CPU_R3000 !! 2149 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
2152 <<
2153 config MIPS_FP_SUPPORT <<
2154 bool "Floating Point support" if EXPE <<
2155 default y <<
2156 help <<
2157 Select y to include support for flo <<
2158 including initialization of FPU har <<
2159 and emulation of an FPU where neces <<
2160 userland program attempting to use <<
2161 receive a SIGILL. <<
2162 <<
2163 If you know that your userland will <<
2164 instructions then you can say n her <<
2165 <<
2166 If unsure, say y. <<
2167 <<
2168 config CPU_R2300_FPU <<
2169 bool <<
2170 depends on MIPS_FP_SUPPORT <<
2171 default y if CPU_R3000 <<
2172 <<
2173 config CPU_R3K_TLB <<
2174 bool <<
2175 2150
2176 config CPU_R4K_FPU 2151 config CPU_R4K_FPU
2177 bool 2152 bool
2178 depends on MIPS_FP_SUPPORT !! 2153 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2179 default y if !CPU_R2300_FPU <<
2180 2154
2181 config CPU_R4K_CACHE_TLB 2155 config CPU_R4K_CACHE_TLB
2182 bool 2156 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 !! 2157 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2184 2158
2185 config MIPS_MT_SMP 2159 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2160 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y !! 2161 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6
2188 depends on TARGET_ISA_REV > 0 && TARG <<
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2162 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2163 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2164 select SYNC_R4K
>> 2165 select MIPS_GIC_IPI if MIPS_GIC
2193 select MIPS_MT 2166 select MIPS_MT
2194 select SMP 2167 select SMP
2195 select SMP_UP 2168 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2169 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2170 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2171 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2172 help
2200 This is a kernel model which is kno 2173 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2174 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2175 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2176 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2177 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2178
2206 config MIPS_MT 2179 config MIPS_MT
2207 bool 2180 bool
2208 2181
2209 config SCHED_SMT 2182 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2183 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2184 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2185 default n
2213 help 2186 help
2214 SMT scheduler support improves the 2187 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2188 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2189 increased overhead in some places. If unsure say N here.
2217 2190
2218 config SYS_SUPPORTS_SCHED_SMT 2191 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2192 bool
2220 2193
2221 config SYS_SUPPORTS_MULTITHREADING 2194 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2195 bool
2223 2196
2224 config MIPS_MT_FPAFF 2197 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2198 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2199 default y
2227 depends on MIPS_MT_SMP 2200 depends on MIPS_MT_SMP
2228 2201
2229 config MIPSR2_TO_R6_EMULATOR 2202 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2203 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 !! 2204 depends on CPU_MIPSR6 && !SMP
2232 depends on MIPS_FP_SUPPORT <<
2233 default y 2205 default y
2234 help 2206 help
2235 Choose this option if you want to r 2207 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2208 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2209 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2210 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2211 final kernel image.
2240 !! 2212 comment "MIPS R2-to-R6 emulator is only available for UP kernels"
2241 config SYS_SUPPORTS_VPE_LOADER !! 2213 depends on SMP && CPU_MIPSR6
2242 bool <<
2243 depends on SYS_SUPPORTS_MULTITHREADIN <<
2244 help <<
2245 Indicates that the platform support <<
2246 physical_memsize. <<
2247 2214
2248 config MIPS_VPE_LOADER 2215 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2216 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && !! 2217 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2218 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2219 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2220 select MIPS_MT
2254 help 2221 help
2255 Includes a loader for loading an el 2222 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2223 onto another VPE and running it.
2257 2224
>> 2225 config MIPS_VPE_LOADER_CMP
>> 2226 bool
>> 2227 default "y"
>> 2228 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2229
2258 config MIPS_VPE_LOADER_MT 2230 config MIPS_VPE_LOADER_MT
2259 bool 2231 bool
2260 default "y" 2232 default "y"
2261 depends on MIPS_VPE_LOADER !! 2233 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2234
2263 config MIPS_VPE_LOADER_TOM 2235 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2236 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2237 depends on MIPS_VPE_LOADER
2266 default y 2238 default y
2267 help 2239 help
2268 The loader can use memory that is p 2240 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2241 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2242 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2243 program requires is less or equal to the amount physically present.
2272 2244
2273 config MIPS_VPE_APSP_API 2245 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2246 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2247 depends on MIPS_VPE_LOADER
>> 2248 help
>> 2249
>> 2250 config MIPS_VPE_APSP_API_CMP
>> 2251 bool
>> 2252 default "y"
>> 2253 depends on MIPS_VPE_APSP_API && MIPS_CMP
2276 2254
2277 config MIPS_VPE_APSP_API_MT 2255 config MIPS_VPE_APSP_API_MT
2278 bool 2256 bool
2279 default "y" 2257 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2258 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2259
>> 2260 config MIPS_CMP
>> 2261 bool "MIPS CMP framework support (DEPRECATED)"
>> 2262 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2263 select MIPS_GIC_IPI if MIPS_GIC
>> 2264 select SMP
>> 2265 select SYNC_R4K
>> 2266 select SYS_SUPPORTS_SMP
>> 2267 select WEAK_ORDERING
>> 2268 default n
>> 2269 help
>> 2270 Select this if you are using a bootloader which implements the "CMP
>> 2271 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2272 its ability to start secondary CPUs.
>> 2273
>> 2274 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2275 instead of this.
2281 2276
2282 config MIPS_CPS 2277 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2278 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS !! 2279 depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6
2285 select MIPS_CM 2280 select MIPS_CM
>> 2281 select MIPS_CPC
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2282 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2283 select MIPS_GIC_IPI if MIPS_GIC
2287 select SMP 2284 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2285 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2286 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ <<
2292 select SYS_SUPPORTS_SMP 2287 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2288 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2289 help
2296 Select this if you wish to run an S 2290 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2291 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2292 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2293 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2294 support is unavailable.
2301 2295
2302 config MIPS_CPS_PM 2296 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2297 depends on MIPS_CPS
>> 2298 select MIPS_CPC
>> 2299 bool
>> 2300
>> 2301 config MIPS_GIC_IPI
>> 2302 depends on MIPS_GIC
2304 bool 2303 bool
2305 2304
2306 config MIPS_CM 2305 config MIPS_CM
2307 bool 2306 bool
2308 select MIPS_CPC <<
2309 2307
2310 config MIPS_CPC 2308 config MIPS_CPC
2311 bool 2309 bool
2312 2310
2313 config SB1_PASS_2_WORKAROUNDS 2311 config SB1_PASS_2_WORKAROUNDS
2314 bool 2312 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2313 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2314 default y
2317 2315
2318 config SB1_PASS_2_1_WORKAROUNDS 2316 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2317 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2318 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2319 default y
2322 2320
>> 2321
>> 2322 config ARCH_PHYS_ADDR_T_64BIT
>> 2323 bool
>> 2324
2323 choice 2325 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2326 prompt "SmartMIPS or microMIPS ASE support"
2325 2327
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2328 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2329 bool "None"
2328 help 2330 help
2329 Select this if you want neither mic 2331 Select this if you want neither microMIPS nor SmartMIPS support
2330 2332
2331 config CPU_HAS_SMARTMIPS 2333 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2334 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2335 bool "SmartMIPS"
2334 help 2336 help
2335 SmartMIPS is a extension of the MIP 2337 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2338 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2339 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2340 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2341 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2342 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2343 here.
2342 2344
2343 config CPU_MICROMIPS 2345 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2346 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2347 bool "microMIPS"
2346 help 2348 help
2347 When this option is enabled the ker 2349 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2350 microMIPS ISA
2349 2351
2350 endchoice 2352 endchoice
2351 2353
2352 config CPU_HAS_MSA 2354 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2355 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2356 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT <<
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2357 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2358 help
2358 MIPS SIMD Architecture (MSA) introd 2359 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2360 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2361 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2362 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2363 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2364 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2365 the size & complexity of your kernel.
2365 2366
2366 If unsure, say Y. 2367 If unsure, say Y.
2367 2368
2368 config CPU_HAS_WB 2369 config CPU_HAS_WB
2369 bool 2370 bool
2370 2371
2371 config XKS01 2372 config XKS01
2372 bool 2373 bool
2373 2374
2374 config CPU_HAS_DIEI <<
2375 depends on !CPU_DIEI_BROKEN <<
2376 bool <<
2377 <<
2378 config CPU_DIEI_BROKEN <<
2379 bool <<
2380 <<
2381 config CPU_HAS_RIXI <<
2382 bool <<
2383 <<
2384 config CPU_NO_LOAD_STORE_LR <<
2385 bool <<
2386 help <<
2387 CPU lacks support for unaligned loa <<
2388 LWL, LWR, SWL, SWR (Load/store word <<
2389 LDL, LDR, SDL, SDR (Load/store doub <<
2390 systems). <<
2391 <<
2392 # 2375 #
2393 # Vectored interrupt mode is an R2 feature 2376 # Vectored interrupt mode is an R2 feature
2394 # 2377 #
2395 config CPU_MIPSR2_IRQ_VI 2378 config CPU_MIPSR2_IRQ_VI
2396 bool 2379 bool
2397 2380
2398 # 2381 #
2399 # Extended interrupt mode is an R2 feature 2382 # Extended interrupt mode is an R2 feature
2400 # 2383 #
2401 config CPU_MIPSR2_IRQ_EI 2384 config CPU_MIPSR2_IRQ_EI
2402 bool 2385 bool
2403 2386
2404 config CPU_HAS_SYNC 2387 config CPU_HAS_SYNC
2405 bool 2388 bool
2406 depends on !CPU_R3000 2389 depends on !CPU_R3000
2407 default y 2390 default y
2408 2391
2409 # 2392 #
2410 # CPU non-features 2393 # CPU non-features
2411 # 2394 #
2412 <<
2413 # Work around the "daddi" and "daddiu" CPU er <<
2414 # <<
2415 # - The `daddi' instruction fails to trap on <<
2416 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2417 # erratum #23 <<
2418 # <<
2419 # - The `daddiu' instruction can produce an i <<
2420 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2421 # erratum #41 <<
2422 # "MIPS R4000MC Errata, Processor Revision <<
2423 # #15 <<
2424 # "MIPS R4400PC/SC Errata, Processor Revisi <<
2425 # "MIPS R4400MC Errata, Processor Revision <<
2426 config CPU_DADDI_WORKAROUNDS 2395 config CPU_DADDI_WORKAROUNDS
2427 bool 2396 bool
2428 2397
2429 # Work around certain R4000 CPU errata (as im <<
2430 # <<
2431 # - A double-word or a variable shift may giv <<
2432 # if executed immediately after starting an <<
2433 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2434 # erratum #28 <<
2435 # "MIPS R4000MC Errata, Processor Revision <<
2436 # #19 <<
2437 # <<
2438 # - A double-word or a variable shift may giv <<
2439 # if executed while an integer multiplicati <<
2440 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2441 # errata #16 & #28 <<
2442 # <<
2443 # - An integer division may give an incorrect <<
2444 # a delay slot of a taken branch or a jump: <<
2445 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2446 # erratum #52 <<
2447 config CPU_R4000_WORKAROUNDS 2398 config CPU_R4000_WORKAROUNDS
2448 bool 2399 bool
2449 select CPU_R4400_WORKAROUNDS 2400 select CPU_R4400_WORKAROUNDS
2450 2401
2451 # Work around certain R4400 CPU errata (as im <<
2452 # <<
2453 # - A double-word or a variable shift may giv <<
2454 # if executed immediately after starting an <<
2455 # "MIPS R4400MC Errata, Processor Revision <<
2456 # "MIPS R4400MC Errata, Processor Revision <<
2457 config CPU_R4400_WORKAROUNDS 2402 config CPU_R4400_WORKAROUNDS
2458 bool 2403 bool
2459 2404
2460 config CPU_R4X00_BUGS64 <<
2461 bool <<
2462 default y if SYS_HAS_CPU_R4X00 && 64B <<
2463 <<
2464 config MIPS_ASID_SHIFT <<
2465 int <<
2466 default 6 if CPU_R3000 <<
2467 default 0 <<
2468 <<
2469 config MIPS_ASID_BITS <<
2470 int <<
2471 default 0 if MIPS_ASID_BITS_VARIABLE <<
2472 default 6 if CPU_R3000 <<
2473 default 8 <<
2474 <<
2475 config MIPS_ASID_BITS_VARIABLE <<
2476 bool <<
2477 <<
2478 config MIPS_CRC_SUPPORT <<
2479 bool <<
2480 <<
2481 # R4600 erratum. Due to the lack of errata i <<
2482 # technical details aren't known. I've exper <<
2483 # interrupts during indexed I-cache flushes s <<
2484 # with the issue. <<
2485 config WAR_R4600_V1_INDEX_ICACHEOP <<
2486 bool <<
2487 <<
2488 # Pleasures of the R4600 V1.x. Cite from the <<
2489 # <<
2490 # 18. The CACHE instructions Hit_Writeback_I <<
2491 # Hit_Invalidate_D and Create_Dirty_Excl <<
2492 # executed if there is no other dcache a <<
2493 # accessed for another instruction immed <<
2494 # cache instructions are executing, it i <<
2495 # tag match outputs used by these cache <<
2496 # incorrect. These cache instructions sh <<
2497 # four instructions that are not any kin <<
2498 # instruction. <<
2499 # <<
2500 # This is not allowed: lw <<
2501 # nop <<
2502 # nop <<
2503 # nop <<
2504 # cache Hi <<
2505 # <<
2506 # This is allowed: lw <<
2507 # nop <<
2508 # nop <<
2509 # nop <<
2510 # nop <<
2511 # cache Hi <<
2512 config WAR_R4600_V1_HIT_CACHEOP <<
2513 bool <<
2514 <<
2515 # Writeback and invalidate the primary cache <<
2516 # <<
2517 # R4600 v2.0 bug: "The CACHE instructions Hit <<
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat <<
2519 # operate correctly if the internal data cach <<
2520 # CACHE instructions should be separated from <<
2521 # by a load instruction to an uncached addres <<
2522 # (Revision 2.0 device errata from IDT availa <<
2523 # in .pdf format.) <<
2524 config WAR_R4600_V2_HIT_CACHEOP <<
2525 bool <<
2526 <<
2527 # From TX49/H2 manual: "If the instruction (i <<
2528 # the line which this instruction itself exis <<
2529 # operation is not guaranteed." <<
2530 # <<
2531 # Workaround: do two phase flushing for Index <<
2532 config WAR_TX49XX_ICACHE_INDEX_INV <<
2533 bool <<
2534 <<
2535 # The RM7000 processors and the E9000 cores h <<
2536 # opposes it being called that) where invalid <<
2537 # I-cache line worth of instructions being fe <<
2538 # exceptions. <<
2539 config WAR_ICACHE_REFILLS <<
2540 bool <<
2541 <<
2542 # On the R10000 up to version 2.6 (not sure a <<
2543 # may cause ll / sc and lld / scd sequences t <<
2544 config WAR_R10000_LLSC <<
2545 bool <<
2546 <<
2547 # 34K core erratum: "Problems Executing the T <<
2548 config WAR_MIPS34K_MISSED_ITLB <<
2549 bool <<
2550 <<
2551 # 2405 #
2552 # - Highmem only makes sense for the 32-bit k 2406 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2407 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2408 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2409 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2410 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2411 # where it's known to be safe. This will not offer highmem on a few systems
2558 # such as MIPS32 and MIPS64 CPUs which may 2412 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2413 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2414 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2415 # know they might have memory configurations that could make use of highmem
2562 # support. 2416 # support.
2563 # 2417 #
2564 config HIGHMEM 2418 config HIGHMEM
2565 bool "High Memory Support" 2419 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2420 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2421
2569 config CPU_SUPPORTS_HIGHMEM 2422 config CPU_SUPPORTS_HIGHMEM
2570 bool 2423 bool
2571 2424
2572 config SYS_SUPPORTS_HIGHMEM 2425 config SYS_SUPPORTS_HIGHMEM
2573 bool 2426 bool
2574 2427
2575 config SYS_SUPPORTS_SMARTMIPS 2428 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2429 bool
2577 2430
2578 config SYS_SUPPORTS_MICROMIPS 2431 config SYS_SUPPORTS_MICROMIPS
2579 bool 2432 bool
2580 2433
2581 config SYS_SUPPORTS_MIPS16 2434 config SYS_SUPPORTS_MIPS16
2582 bool 2435 bool
2583 help 2436 help
2584 This option must be set if a kernel 2437 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2438 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2439 words, it makes the kernel MIPS16-tolerant.
2587 2440
2588 config CPU_SUPPORTS_MSA 2441 config CPU_SUPPORTS_MSA
2589 bool 2442 bool
2590 2443
2591 config ARCH_FLATMEM_ENABLE 2444 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2445 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF !! 2446 depends on !NUMA && !CPU_LOONGSON2
>> 2447
>> 2448 config ARCH_DISCONTIGMEM_ENABLE
>> 2449 bool
>> 2450 default y if SGI_IP27
>> 2451 help
>> 2452 Say Y to support efficient handling of discontiguous physical memory,
>> 2453 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2454 or have huge holes in the physical address space for other reasons.
>> 2455 See <file:Documentation/vm/numa> for more.
2594 2456
2595 config ARCH_SPARSEMEM_ENABLE 2457 config ARCH_SPARSEMEM_ENABLE
2596 bool 2458 bool
>> 2459 select SPARSEMEM_STATIC
2597 2460
2598 config NUMA 2461 config NUMA
2599 bool "NUMA Support" 2462 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2463 depends on SYS_SUPPORTS_NUMA
2601 select SMP <<
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2464 help
2605 Say Y to compile the kernel to supp 2465 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2466 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2467 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s !! 2468 leave it disabled; on single node systems disable this option
2609 disabled. 2469 disabled.
2610 2470
2611 config SYS_SUPPORTS_NUMA 2471 config SYS_SUPPORTS_NUMA
2612 bool 2472 bool
2613 2473
2614 config RELOCATABLE <<
2615 bool "Relocatable kernel" <<
2616 depends on SYS_SUPPORTS_RELOCATABLE <<
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 <<
2618 CPU_MIPS32_R5 || CPU_MIPS6 <<
2619 CPU_MIPS32_R6 || CPU_MIPS6 <<
2620 CPU_P5600 || CAVIUM_OCTEON <<
2621 CPU_LOONGSON64 <<
2622 help <<
2623 This builds a kernel image that ret <<
2624 so it can be loaded someplace besid <<
2625 The relocations make the kernel bin <<
2626 but are discarded at runtime <<
2627 <<
2628 config RELOCATION_TABLE_SIZE <<
2629 hex "Relocation table size" <<
2630 depends on RELOCATABLE <<
2631 range 0x0 0x01000000 <<
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" <<
2634 help <<
2635 A table of relocation data will be <<
2636 and parsed at boot to fix up the re <<
2637 <<
2638 This option allows the amount of sp <<
2639 adjusted, although the default of 1 <<
2640 <<
2641 The build will fail and a valid siz <<
2642 <<
2643 If unsure, leave at the default val <<
2644 <<
2645 config RANDOMIZE_BASE <<
2646 bool "Randomize the address of the ke <<
2647 depends on RELOCATABLE <<
2648 help <<
2649 Randomizes the physical and virtual <<
2650 kernel image is loaded, as a securi <<
2651 deters exploit attempts relying on <<
2652 of kernel internals. <<
2653 <<
2654 Entropy is generated using any copr <<
2655 <<
2656 The kernel will be offset by up to <<
2657 <<
2658 If unsure, say N. <<
2659 <<
2660 config RANDOMIZE_BASE_MAX_OFFSET <<
2661 hex "Maximum kASLR offset" if EXPERT <<
2662 depends on RANDOMIZE_BASE <<
2663 range 0x0 0x40000000 if EVA || 64BIT <<
2664 range 0x0 0x08000000 <<
2665 default "0x01000000" <<
2666 help <<
2667 When kASLR is active, this provides <<
2668 be applied to the kernel image. It <<
2669 amount of physical RAM available in <<
2670 PHYSICAL_START and must be a power <<
2671 <<
2672 This is limited by the size of KSEG <<
2673 EVA or 64-bit. The default is 16Mb. <<
2674 <<
2675 config NODES_SHIFT 2474 config NODES_SHIFT
2676 int 2475 int
2677 default "6" 2476 default "6"
2678 depends on NUMA !! 2477 depends on NEED_MULTIPLE_NODES
2679 2478
2680 config HW_PERF_EVENTS 2479 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2480 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2481 depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2683 default y 2482 default y
2684 help 2483 help
2685 Enable hardware performance counter 2484 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2485 disabled, perf events will use software events only.
2687 2486
2688 config DMI !! 2487 source "mm/Kconfig"
2689 bool "Enable DMI scanning" <<
2690 depends on MACH_LOONGSON64 <<
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB <<
2692 default y <<
2693 help <<
2694 Enabled scanning of DMI to identify <<
2695 here unless you have verified that <<
2696 affected by entries in the DMI blac <<
2697 BIOS code. <<
2698 2488
2699 config SMP 2489 config SMP
2700 bool "Multi-Processing support" 2490 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2491 depends on SYS_SUPPORTS_SMP
2702 help 2492 help
2703 This enables support for systems wi 2493 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2494 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2495 than one CPU, say Y.
2706 2496
2707 If you say N here, the kernel will 2497 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2498 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2499 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2500 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2501 will run faster if you say N here.
2712 2502
2713 People using multiprocessor machine 2503 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2504 Y to "Enhanced Real Time Clock Support", below.
2715 2505
2716 See also the SMP-HOWTO available at 2506 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 2507 <http://www.tldp.org/docs.html#howto>.
2718 2508
2719 If you don't know what to do here, 2509 If you don't know what to do here, say N.
2720 2510
2721 config HOTPLUG_CPU <<
2722 bool "Support for hot-pluggable CPUs" <<
2723 depends on SMP && SYS_SUPPORTS_HOTPLU <<
2724 help <<
2725 Say Y here to allow turning CPUs of <<
2726 controlled through /sys/devices/sys <<
2727 (Note: power management support wil <<
2728 automatically on SMP systems. ) <<
2729 Say N if you want to disable CPU ho <<
2730 <<
2731 config SMP_UP 2511 config SMP_UP
2732 bool 2512 bool
2733 2513
>> 2514 config SYS_SUPPORTS_MIPS_CMP
>> 2515 bool
>> 2516
2734 config SYS_SUPPORTS_MIPS_CPS 2517 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2518 bool
2736 2519
2737 config SYS_SUPPORTS_SMP 2520 config SYS_SUPPORTS_SMP
2738 bool 2521 bool
2739 2522
2740 config NR_CPUS_DEFAULT_4 2523 config NR_CPUS_DEFAULT_4
2741 bool 2524 bool
2742 2525
2743 config NR_CPUS_DEFAULT_8 2526 config NR_CPUS_DEFAULT_8
2744 bool 2527 bool
2745 2528
2746 config NR_CPUS_DEFAULT_16 2529 config NR_CPUS_DEFAULT_16
2747 bool 2530 bool
2748 2531
2749 config NR_CPUS_DEFAULT_32 2532 config NR_CPUS_DEFAULT_32
2750 bool 2533 bool
2751 2534
2752 config NR_CPUS_DEFAULT_64 2535 config NR_CPUS_DEFAULT_64
2753 bool 2536 bool
2754 2537
2755 config NR_CPUS 2538 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2539 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2540 range 2 256
2758 depends on SMP 2541 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2542 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2543 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2544 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2545 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2546 default "64" if NR_CPUS_DEFAULT_64
2764 help 2547 help
2765 This allows you to specify the maxi 2548 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2549 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2550 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2551 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2552 and 2 for all others.
2770 2553
2771 This is purely to save memory - eac 2554 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2555 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2556 performance should round up your number of processors to the next
2774 power of two. 2557 power of two.
2775 2558
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2559 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2560 bool
2778 2561
2779 config MIPS_NR_CPU_NR_MAP_1024 <<
2780 bool <<
2781 <<
2782 config MIPS_NR_CPU_NR_MAP <<
2783 int <<
2784 depends on SMP <<
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 <<
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA <<
2787 <<
2788 # 2562 #
2789 # Timer Interrupt Frequency Configuration 2563 # Timer Interrupt Frequency Configuration
2790 # 2564 #
2791 2565
2792 choice 2566 choice
2793 prompt "Timer frequency" 2567 prompt "Timer frequency"
2794 default HZ_250 2568 default HZ_250
2795 help 2569 help
2796 Allows the configuration of the tim !! 2570 Allows the configuration of the timer frequency.
2797 2571
2798 config HZ_24 2572 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2573 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2574
2801 config HZ_48 2575 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2576 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2577
2804 config HZ_100 2578 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2579 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2580
2807 config HZ_128 2581 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2582 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2583
2810 config HZ_250 2584 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2585 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2586
2813 config HZ_256 2587 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2588 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2589
2816 config HZ_1000 2590 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2591 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2592
2819 config HZ_1024 2593 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2594 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2595
2822 endchoice 2596 endchoice
2823 2597
2824 config SYS_SUPPORTS_24HZ 2598 config SYS_SUPPORTS_24HZ
2825 bool 2599 bool
2826 2600
2827 config SYS_SUPPORTS_48HZ 2601 config SYS_SUPPORTS_48HZ
2828 bool 2602 bool
2829 2603
2830 config SYS_SUPPORTS_100HZ 2604 config SYS_SUPPORTS_100HZ
2831 bool 2605 bool
2832 2606
2833 config SYS_SUPPORTS_128HZ 2607 config SYS_SUPPORTS_128HZ
2834 bool 2608 bool
2835 2609
2836 config SYS_SUPPORTS_250HZ 2610 config SYS_SUPPORTS_250HZ
2837 bool 2611 bool
2838 2612
2839 config SYS_SUPPORTS_256HZ 2613 config SYS_SUPPORTS_256HZ
2840 bool 2614 bool
2841 2615
2842 config SYS_SUPPORTS_1000HZ 2616 config SYS_SUPPORTS_1000HZ
2843 bool 2617 bool
2844 2618
2845 config SYS_SUPPORTS_1024HZ 2619 config SYS_SUPPORTS_1024HZ
2846 bool 2620 bool
2847 2621
2848 config SYS_SUPPORTS_ARBIT_HZ 2622 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2623 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2624 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2625 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2626 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2627 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2628 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2629 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2630 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2631 !SYS_SUPPORTS_1024HZ
2858 2632
2859 config HZ 2633 config HZ
2860 int 2634 int
2861 default 24 if HZ_24 2635 default 24 if HZ_24
2862 default 48 if HZ_48 2636 default 48 if HZ_48
2863 default 100 if HZ_100 2637 default 100 if HZ_100
2864 default 128 if HZ_128 2638 default 128 if HZ_128
2865 default 250 if HZ_250 2639 default 250 if HZ_250
2866 default 256 if HZ_256 2640 default 256 if HZ_256
2867 default 1000 if HZ_1000 2641 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2642 default 1024 if HZ_1024
2869 2643
2870 config SCHED_HRTICK 2644 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2645 def_bool HIGH_RES_TIMERS
2872 2646
2873 config ARCH_SUPPORTS_KEXEC !! 2647 source "kernel/Kconfig.preempt"
2874 def_bool y <<
2875 2648
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2649 config KEXEC
2877 def_bool y !! 2650 bool "Kexec system call"
>> 2651 select KEXEC_CORE
>> 2652 help
>> 2653 kexec is a system call that implements the ability to shutdown your
>> 2654 current kernel, and to start another kernel. It is like a reboot
>> 2655 but it is independent of the system firmware. And like a reboot
>> 2656 you can start any kernel with it, not just Linux.
>> 2657
>> 2658 The name comes from the similarity to the exec system call.
>> 2659
>> 2660 It is an ongoing process to be certain the hardware in a machine
>> 2661 is properly shutdown, so do not be surprised if this code does not
>> 2662 initially work for you. As of this writing the exact hardware
>> 2663 interface is strongly in flux, so no good recommendation can be
>> 2664 made.
>> 2665
>> 2666 config CRASH_DUMP
>> 2667 bool "Kernel crash dumps"
>> 2668 help
>> 2669 Generate crash dump after being started by kexec.
>> 2670 This should be normally only set in special crash dump kernels
>> 2671 which are loaded in the main kernel with kexec-tools into
>> 2672 a specially reserved region and then later executed after
>> 2673 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2674 to a memory address not used by the main kernel or firmware using
>> 2675 PHYSICAL_START.
2878 2676
2879 config PHYSICAL_START 2677 config PHYSICAL_START
2880 hex "Physical address where the kerne !! 2678 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" !! 2679 default "0xffffffff84000000" if 64BIT
2882 depends on CRASH_DUMP !! 2680 default "0x84000000" if 32BIT
2883 help !! 2681 depends on CRASH_DUMP
>> 2682 help
2884 This gives the CKSEG0 or KSEG0 addr 2683 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2684 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2685 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2686 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2687 passed to the panic-ed kernel).
2889 2688
>> 2689 config SECCOMP
>> 2690 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2691 depends on PROC_FS
>> 2692 default y
>> 2693 help
>> 2694 This kernel feature is useful for number crunching applications
>> 2695 that may need to compute untrusted bytecode during their
>> 2696 execution. By using pipes or other transports made available to
>> 2697 the process as file descriptors supporting the read/write
>> 2698 syscalls, it's possible to isolate those applications in
>> 2699 their own address space using seccomp. Once seccomp is
>> 2700 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2701 and the task is only allowed to execute a few safe syscalls
>> 2702 defined by each seccomp mode.
>> 2703
>> 2704 If unsure, say Y. Only embedded should say N here.
>> 2705
2890 config MIPS_O32_FP64_SUPPORT 2706 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using !! 2707 bool "Support for O32 binaries using 64-bit FP"
2892 depends on 32BIT || MIPS32_O32 2708 depends on 32BIT || MIPS32_O32
2893 help 2709 help
2894 When this is enabled, the kernel wi 2710 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2711 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2712 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2713 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2714 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2715 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2716 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2717 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2718 saying N here.
2903 2719
2904 Although binutils currently support 2720 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2721 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 2722 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 2723 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2724 be considered experimental and only enabled by those working upon
2909 said details. 2725 said details.
2910 2726
2911 If unsure, say N. 2727 If unsure, say N.
2912 2728
2913 config USE_OF 2729 config USE_OF
2914 bool 2730 bool
2915 select OF 2731 select OF
2916 select OF_EARLY_FLATTREE 2732 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2733 select IRQ_DOMAIN
2918 2734
2919 config UHI_BOOT <<
2920 bool <<
2921 <<
2922 config BUILTIN_DTB 2735 config BUILTIN_DTB
2923 bool 2736 bool
2924 2737
2925 choice 2738 choice
2926 prompt "Kernel appended dtb support" !! 2739 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2740 default MIPS_NO_APPENDED_DTB
2929 2741
2930 config MIPS_NO_APPENDED_DTB 2742 config MIPS_NO_APPENDED_DTB
2931 bool "None" 2743 bool "None"
2932 help 2744 help
2933 Do not enable appended dtb 2745 Do not enable appended dtb support.
2934 2746
2935 config MIPS_ELF_APPENDED_DTB 2747 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 2748 bool "vmlinux"
2937 help 2749 help
2938 With this option, the boot 2750 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 2751 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 2752 it is empty and the DTB can be appended using binutils command
2941 objcopy: 2753 objcopy:
2942 2754
2943 objcopy --update-section 2755 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 2756
2945 This is meant as a backward !! 2757 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 2758 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 2759 the documented boot protocol using a device tree.
2948 2760
2949 config MIPS_RAW_APPENDED_DTB 2761 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. !! 2762 bool "vmlinux.bin"
2951 help 2763 help
2952 With this option, the boot 2764 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu !! 2765 DTB) appended to raw vmlinux.bin (without decompressor).
2954 (e.g. cat vmlinux.bin <file 2766 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 2767
2956 This is meant as a backward 2768 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 2769 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 2770 the documented boot protocol using a device tree.
2959 2771
2960 Beware that there is very l 2772 Beware that there is very little in terms of protection against
2961 this option being confused 2773 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 2774 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 2775 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 2776 if you don't intend to always append a DTB.
>> 2777
>> 2778 config MIPS_ZBOOT_APPENDED_DTB
>> 2779 bool "vmlinuz.bin"
>> 2780 depends on SYS_SUPPORTS_ZBOOT
>> 2781 help
>> 2782 With this option, the boot code will look for a device tree binary
>> 2783 DTB) appended to raw vmlinuz.bin (with decompressor).
>> 2784 (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb).
>> 2785
>> 2786 This is meant as a backward compatibility convenience for those
>> 2787 systems with a bootloader that can't be upgraded to accommodate
>> 2788 the documented boot protocol using a device tree.
>> 2789
>> 2790 Beware that there is very little in terms of protection against
>> 2791 this option being confused by leftover garbage in memory that might
>> 2792 look like a DTB header after a reboot if no actual DTB is appended
>> 2793 to vmlinuz.bin. Do not leave this option active in a production kernel
>> 2794 if you don't intend to always append a DTB.
2965 endchoice 2795 endchoice
2966 2796
2967 choice 2797 choice
2968 prompt "Kernel command line type" !! 2798 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2799 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC !! 2800 !MIPS_MALTA && !MIPS_SEAD3 && \
2972 !CAV 2801 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 2802 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 2803
2975 config MIPS_CMDLINE_FROM_DTB 2804 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 2805 depends on USE_OF
2977 bool "Dtb kernel arguments if 2806 bool "Dtb kernel arguments if available"
2978 2807
2979 config MIPS_CMDLINE_DTB_EXTEND 2808 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 2809 depends on USE_OF
2981 bool "Extend dtb kernel argum 2810 bool "Extend dtb kernel arguments with bootloader arguments"
2982 2811
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 2812 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 2813 bool "Bootloader kernel arguments if available"
2985 <<
2986 config MIPS_CMDLINE_BUILTIN_EXTEND <<
2987 depends on CMDLINE_BOOL <<
2988 bool "Extend builtin kernel a <<
2989 endchoice 2814 endchoice
2990 2815
2991 endmenu 2816 endmenu
2992 2817
2993 config LOCKDEP_SUPPORT 2818 config LOCKDEP_SUPPORT
2994 bool 2819 bool
2995 default y 2820 default y
2996 2821
2997 config STACKTRACE_SUPPORT 2822 config STACKTRACE_SUPPORT
2998 bool 2823 bool
2999 default y 2824 default y
3000 2825
>> 2826 config HAVE_LATENCYTOP_SUPPORT
>> 2827 bool
>> 2828 default y
>> 2829
3001 config PGTABLE_LEVELS 2830 config PGTABLE_LEVELS
3002 int 2831 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA !! 2832 default 3 if 64BIT && !PAGE_SIZE_64KB
3004 default 3 if 64BIT && (!PAGE_SIZE_64K <<
3005 default 2 2833 default 2
3006 2834
3007 config MIPS_AUTO_PFN_OFFSET !! 2835 source "init/Kconfig"
3008 bool !! 2836
>> 2837 source "kernel/Kconfig.freezer"
3009 2838
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 2839 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 2840
3012 config PCI_DRIVERS_GENERIC !! 2841 config HW_HAS_EISA
3013 select PCI_DOMAINS_GENERIC if PCI !! 2842 bool
>> 2843 config HW_HAS_PCI
3014 bool 2844 bool
3015 2845
3016 config PCI_DRIVERS_LEGACY !! 2846 config PCI
3017 def_bool !PCI_DRIVERS_GENERIC !! 2847 bool "Support for PCI controller"
>> 2848 depends on HW_HAS_PCI
>> 2849 select PCI_DOMAINS
3018 select NO_GENERIC_PCI_IOPORT_MAP 2850 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI !! 2851 help
>> 2852 Find out whether you have a PCI motherboard. PCI is the name of a
>> 2853 bus system, i.e. the way the CPU talks to the other stuff inside
>> 2854 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
>> 2855 say Y, otherwise N.
>> 2856
>> 2857 config HT_PCI
>> 2858 bool "Support for HT-linked PCI"
>> 2859 default y
>> 2860 depends on CPU_LOONGSON3
>> 2861 select PCI
>> 2862 select PCI_DOMAINS
>> 2863 help
>> 2864 Loongson family machines use Hyper-Transport bus for inter-core
>> 2865 connection and device connection. The PCI bus is a subordinate
>> 2866 linked at HT. Choose Y for Loongson-3 based machines.
>> 2867
>> 2868 config PCI_DOMAINS
>> 2869 bool
>> 2870
>> 2871 source "drivers/pci/Kconfig"
>> 2872
>> 2873 source "drivers/pci/pcie/Kconfig"
3020 2874
3021 # 2875 #
3022 # ISA support is now enabled via select. Too 2876 # ISA support is now enabled via select. Too many systems still have the one
3023 # or other ISA chip on the board that users d 2877 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 2878 # users to choose the right thing ...
3025 # 2879 #
3026 config ISA 2880 config ISA
3027 bool 2881 bool
3028 2882
>> 2883 config EISA
>> 2884 bool "EISA support"
>> 2885 depends on HW_HAS_EISA
>> 2886 select ISA
>> 2887 select GENERIC_ISA_DMA
>> 2888 ---help---
>> 2889 The Extended Industry Standard Architecture (EISA) bus was
>> 2890 developed as an open alternative to the IBM MicroChannel bus.
>> 2891
>> 2892 The EISA bus provided some of the features of the IBM MicroChannel
>> 2893 bus while maintaining backward compatibility with cards made for
>> 2894 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 2895 1995 when it was made obsolete by the PCI bus.
>> 2896
>> 2897 Say Y here if you are building a kernel for an EISA-based machine.
>> 2898
>> 2899 Otherwise, say N.
>> 2900
>> 2901 source "drivers/eisa/Kconfig"
>> 2902
3029 config TC 2903 config TC
3030 bool "TURBOchannel support" 2904 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 2905 depends on MACH_DECSTATION
3032 help 2906 help
3033 TURBOchannel is a DEC (now Compaq ( 2907 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 2908 processors. TURBOchannel programming specifications are available
3035 at: 2909 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 2910 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 2911 and:
3038 <http://www.computer-refuge.org/cla 2912 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 2913 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 2914 <http://www.linux-mips.org/wiki/DECstation>
3041 2915
3042 config MMU 2916 config MMU
3043 bool 2917 bool
3044 default y 2918 default y
3045 2919
3046 config ARCH_MMAP_RND_BITS_MIN <<
3047 default 12 if 64BIT <<
3048 default 8 <<
3049 <<
3050 config ARCH_MMAP_RND_BITS_MAX <<
3051 default 18 if 64BIT <<
3052 default 15 <<
3053 <<
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN <<
3055 default 8 <<
3056 <<
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX <<
3058 default 15 <<
3059 <<
3060 config I8253 2920 config I8253
3061 bool 2921 bool
3062 select CLKSRC_I8253 2922 select CLKSRC_I8253
3063 select CLKEVT_I8253 2923 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 2924 select MIPS_EXTERNAL_TIMER
>> 2925
>> 2926 config ZONE_DMA
>> 2927 bool
>> 2928
>> 2929 config ZONE_DMA32
>> 2930 bool
>> 2931
>> 2932 source "drivers/pcmcia/Kconfig"
>> 2933
>> 2934 source "drivers/pci/hotplug/Kconfig"
>> 2935
>> 2936 config RAPIDIO
>> 2937 tristate "RapidIO support"
>> 2938 depends on PCI
>> 2939 default n
>> 2940 help
>> 2941 If you say Y here, the kernel will include drivers and
>> 2942 infrastructure code to support RapidIO interconnect devices.
>> 2943
>> 2944 source "drivers/rapidio/Kconfig"
>> 2945
3065 endmenu 2946 endmenu
3066 2947
>> 2948 menu "Executable file formats"
>> 2949
>> 2950 source "fs/Kconfig.binfmt"
>> 2951
3067 config TRAD_SIGNALS 2952 config TRAD_SIGNALS
3068 bool 2953 bool
3069 2954
3070 config MIPS32_COMPAT 2955 config MIPS32_COMPAT
3071 bool 2956 bool
3072 2957
3073 config COMPAT 2958 config COMPAT
3074 bool 2959 bool
3075 2960
>> 2961 config SYSVIPC_COMPAT
>> 2962 bool
>> 2963
3076 config MIPS32_O32 2964 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 2965 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 2966 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 2967 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 2968 select COMPAT
3081 select MIPS32_COMPAT 2969 select MIPS32_COMPAT
>> 2970 select SYSVIPC_COMPAT if SYSVIPC
3082 help 2971 help
3083 Select this option if you want to r 2972 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 2973 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 2974 existing binaries are in this format.
3086 2975
3087 If unsure, say Y. 2976 If unsure, say Y.
3088 2977
3089 config MIPS32_N32 2978 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 2979 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 2980 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 2981 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 2982 select COMPAT
3094 select MIPS32_COMPAT 2983 select MIPS32_COMPAT
>> 2984 select SYSVIPC_COMPAT if SYSVIPC
3095 help 2985 help
3096 Select this option if you want to r 2986 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 2987 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 2988 data that would normally be 64-bit. They are used in special
3099 cases. 2989 cases.
3100 2990
3101 If unsure, say N. 2991 If unsure, say N.
3102 2992
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 2993 config BINFMT_ELF32
3104 def_bool y !! 2994 bool
3105 depends on $(cc-option,-mno-branch-li !! 2995 default y if MIPS32_O32 || MIPS32_N32
>> 2996 select ELFCORE
3106 2997
3107 # https://github.com/llvm/llvm-project/issues !! 2998 endmenu
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 2999
3111 menu "Power management options" 3000 menu "Power management options"
3112 3001
3113 config ARCH_HIBERNATION_POSSIBLE 3002 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3003 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3004 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3005
3117 config ARCH_SUSPEND_POSSIBLE 3006 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3007 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3008 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3009
3121 source "kernel/power/Kconfig" 3010 source "kernel/power/Kconfig"
3122 3011
3123 endmenu 3012 endmenu
3124 3013
3125 config MIPS_EXTERNAL_TIMER 3014 config MIPS_EXTERNAL_TIMER
3126 bool 3015 bool
3127 3016
3128 menu "CPU Power Management" 3017 menu "CPU Power Management"
3129 3018
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3019 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3020 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3021 endif
3133 3022
3134 source "drivers/cpuidle/Kconfig" 3023 source "drivers/cpuidle/Kconfig"
3135 3024
3136 endmenu 3025 endmenu
3137 3026
3138 source "arch/mips/kvm/Kconfig" !! 3027 source "net/Kconfig"
>> 3028
>> 3029 source "drivers/Kconfig"
>> 3030
>> 3031 source "drivers/firmware/Kconfig"
3139 3032
3140 source "arch/mips/vdso/Kconfig" !! 3033 source "fs/Kconfig"
>> 3034
>> 3035 source "arch/mips/Kconfig.debug"
>> 3036
>> 3037 source "security/Kconfig"
>> 3038
>> 3039 source "crypto/Kconfig"
>> 3040
>> 3041 source "lib/Kconfig"
>> 3042
>> 3043 source "arch/mips/kvm/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.