1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING !! 7 select ARCH_CLOCKSOURCE_DATA
8 select ARCH_HAS_CPU_FINALIZE_INIT !! 8 select ARCH_HAS_ELF_RANDOMIZE
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 9 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 10 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL !! 11 select ARCH_SUPPORTS_UPROBES
21 select ARCH_KEEP_MEMBLOCK <<
22 select ARCH_USE_BUILTIN_BSWAP 12 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 13 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 14 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 15 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ <<
29 select ARCH_WANT_IPC_PARSE_VERSION 16 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN !! 17 select BUILDTIME_EXTABLE_SORT
31 select BUILDTIME_TABLE_SORT <<
32 select CLONE_BACKWARDS 18 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 19 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 20 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 21 select GENERIC_ATOMIC64 if !64BIT
>> 22 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE 23 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 24 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY <<
39 select GENERIC_IOMAP 25 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 26 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 27 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 28 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 29 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 30 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 31 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 32 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 33 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 34 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 35 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 36 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 37 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 38 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 39 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 40 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !! 41 select HAVE_ARCH_KGDB
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 42 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 43 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 44 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 45 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE !! 46 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
62 select HAVE_ASM_MODVERSIONS !! 47 select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
63 select HAVE_CONTEXT_TRACKING_USER !! 48 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ !! 49 select HAVE_COPY_THREAD_TLS
65 select HAVE_C_RECORDMCOUNT 50 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 51 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 52 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 53 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 54 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS <<
71 select HAVE_EXIT_THREAD 55 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 56 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 57 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 58 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 59 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS !! 60 select HAVE_IDE
77 select HAVE_GENERIC_VDSO <<
78 select HAVE_IOREMAP_PROT 61 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 62 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 63 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 64 select HAVE_KPROBES
82 select HAVE_KRETPROBES 65 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 66 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
>> 67 select HAVE_MEMBLOCK_NODE_MAP
84 select HAVE_MOD_ARCH_SPECIFIC 68 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 69 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 70 select HAVE_OPROFILE
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 71 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS <<
91 select HAVE_PERF_USER_STACK_DUMP <<
92 select HAVE_REGS_AND_STACK_ACCESS_API 72 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 73 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR <<
95 select HAVE_STACKPROTECTOR 74 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 75 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 76 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 77 select IRQ_FORCED_THREADING
99 select ISA if EISA 78 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES <<
102 select MODULES_USE_ELF_RELA if MODULES 79 select MODULES_USE_ELF_RELA if MODULES && 64BIT
>> 80 select MODULES_USE_ELF_REL if MODULES
103 select PERF_USE_VMALLOC 81 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
105 select RTC_LIB 82 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 83 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 84 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT <<
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 <<
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 85
136 menu "Machine selection" 86 menu "Machine selection"
137 87
138 choice 88 choice
139 prompt "System type" 89 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 90 default MIPS_GENERIC
141 91
142 config MIPS_GENERIC_KERNEL !! 92 config MIPS_GENERIC
143 bool "Generic board-agnostic MIPS kern 93 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC <<
145 select BOOT_RAW 94 select BOOT_RAW
146 select BUILTIN_DTB 95 select BUILTIN_DTB
147 select CEVT_R4K 96 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 97 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 98 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI <<
151 select CPU_MIPSR2_IRQ_VI 99 select CPU_MIPSR2_IRQ_VI
>> 100 select CPU_MIPSR2_IRQ_EI
152 select CSRC_R4K 101 select CSRC_R4K
153 select DMA_NONCOHERENT !! 102 select DMA_PERDEV_COHERENT
154 select HAVE_PCI 103 select HAVE_PCI
155 select IRQ_MIPS_CPU 104 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE !! 105 select LIBFDT
157 select MIPS_AUTO_PFN_OFFSET 106 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 107 select MIPS_CPU_SCACHE
159 select MIPS_GIC 108 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 109 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 110 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 111 select PCI_DRIVERS_GENERIC
>> 112 select PINCTRL
163 select SMP_UP if SMP 113 select SMP_UP if SMP
164 select SWAP_IO_SPACE 114 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 115 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 116 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 117 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 118 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 119 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 120 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 121 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 122 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 123 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 124 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 125 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 126 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 <<
180 select SYS_SUPPORTS_MIPS_CPS 127 select SYS_SUPPORTS_MIPS_CPS
>> 128 select SYS_SUPPORTS_MIPS16
181 select SYS_SUPPORTS_MULTITHREADING 129 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 130 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 131 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT <<
185 select UHI_BOOT <<
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 132 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 133 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 134 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 135 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 136 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 137 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 138 select USE_OF
>> 139 select UHI_BOOT
193 help 140 help
194 Select this to build a kernel which 141 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 142 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 143 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 144 Interface) specification.
198 145
199 config MIPS_ALCHEMY 146 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 147 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 148 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 149 select CEVT_R4K
203 select CSRC_R4K 150 select CSRC_R4K
204 select IRQ_MIPS_CPU 151 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 152 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI <<
207 select SYS_HAS_CPU_MIPS32_R1 153 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 154 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 155 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 156 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 157 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 158 select COMMON_CLK
213 159
>> 160 config AR7
>> 161 bool "Texas Instruments AR7"
>> 162 select BOOT_ELF32
>> 163 select DMA_NONCOHERENT
>> 164 select CEVT_R4K
>> 165 select CSRC_R4K
>> 166 select IRQ_MIPS_CPU
>> 167 select NO_EXCEPT_FILL
>> 168 select SWAP_IO_SPACE
>> 169 select SYS_HAS_CPU_MIPS32_R1
>> 170 select SYS_HAS_EARLY_PRINTK
>> 171 select SYS_SUPPORTS_32BIT_KERNEL
>> 172 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 173 select SYS_SUPPORTS_MIPS16
>> 174 select SYS_SUPPORTS_ZBOOT_UART16550
>> 175 select GPIOLIB
>> 176 select VLYNQ
>> 177 select HAVE_CLK
>> 178 help
>> 179 Support for the Texas Instruments AR7 System-on-a-Chip
>> 180 family: TNETD7100, 7200 and 7300.
>> 181
214 config ATH25 182 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 183 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 184 select CEVT_R4K
217 select CSRC_R4K 185 select CSRC_R4K
218 select DMA_NONCOHERENT 186 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 187 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 188 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 189 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 190 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 191 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 192 select SYS_HAS_EARLY_PRINTK
225 help 193 help
226 Support for Atheros AR231x and Ather 194 Support for Atheros AR231x and Atheros AR531x based boards
227 195
228 config ATH79 196 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 197 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 198 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 199 select BOOT_RAW
232 select CEVT_R4K 200 select CEVT_R4K
233 select CSRC_R4K 201 select CSRC_R4K
234 select DMA_NONCOHERENT 202 select DMA_NONCOHERENT
235 select GPIOLIB 203 select GPIOLIB
236 select PINCTRL 204 select PINCTRL
>> 205 select HAVE_CLK
237 select COMMON_CLK 206 select COMMON_CLK
>> 207 select CLKDEV_LOOKUP
238 select IRQ_MIPS_CPU 208 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 209 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 210 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 211 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 212 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 213 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 214 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 215 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 216 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 217 help
248 Support for the Atheros AR71XX/AR724 218 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 219
250 config BMIPS_GENERIC 220 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 221 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 222 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 223 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 224 select BOOT_RAW
255 select NO_EXCEPT_FILL 225 select NO_EXCEPT_FILL
256 select USE_OF 226 select USE_OF
257 select CEVT_R4K 227 select CEVT_R4K
258 select CSRC_R4K 228 select CSRC_R4K
259 select SYNC_R4K 229 select SYNC_R4K
260 select COMMON_CLK 230 select COMMON_CLK
261 select BCM6345_L1_IRQ 231 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 232 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 233 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 234 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 235 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 236 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 237 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 238 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 239 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 240 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 241 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 242 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 243 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 244 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 245 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 246 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 247 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 248 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 249 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 250 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 251 help
285 Build a generic DT-based kernel imag 252 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 253 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 254 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 255 must be set appropriately for your board.
289 256
290 config BCM47XX 257 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 258 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 259 select BOOT_RAW
293 select CEVT_R4K 260 select CEVT_R4K
294 select CSRC_R4K 261 select CSRC_R4K
295 select DMA_NONCOHERENT 262 select DMA_NONCOHERENT
296 select HAVE_PCI 263 select HAVE_PCI
297 select IRQ_MIPS_CPU 264 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 265 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 266 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 267 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 268 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 269 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 270 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 271 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 272 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 273 select GPIOLIB
307 select LEDS_GPIO_REGISTER 274 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 275 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 276 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 277 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 278 help
312 Support for BCM47XX based boards 279 Support for BCM47XX based boards
313 280
314 config BCM63XX 281 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 282 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 283 select BOOT_RAW
317 select CEVT_R4K 284 select CEVT_R4K
318 select CSRC_R4K 285 select CSRC_R4K
319 select SYNC_R4K 286 select SYNC_R4K
320 select DMA_NONCOHERENT 287 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 288 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 289 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 290 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 291 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 <<
326 select SYS_HAS_CPU_BMIPS4350 <<
327 select SYS_HAS_CPU_BMIPS4380 <<
328 select SWAP_IO_SPACE 292 select SWAP_IO_SPACE
329 select GPIOLIB 293 select GPIOLIB
>> 294 select HAVE_CLK
330 select MIPS_L1_CACHE_SHIFT_4 295 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK !! 296 select CLKDEV_LOOKUP
332 help 297 help
333 Support for BCM63XX based boards 298 Support for BCM63XX based boards
334 299
335 config MIPS_COBALT 300 config MIPS_COBALT
336 bool "Cobalt Server" 301 bool "Cobalt Server"
337 select CEVT_R4K 302 select CEVT_R4K
338 select CSRC_R4K 303 select CSRC_R4K
339 select CEVT_GT641XX 304 select CEVT_GT641XX
340 select DMA_NONCOHERENT 305 select DMA_NONCOHERENT
341 select FORCE_PCI 306 select FORCE_PCI
342 select I8253 307 select I8253
343 select I8259 308 select I8259
344 select IRQ_MIPS_CPU 309 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 310 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 311 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 312 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 313 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 314 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 315 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 316 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 317 select USE_GENERIC_EARLY_PRINTK_8250
353 318
354 config MACH_DECSTATION 319 config MACH_DECSTATION
355 bool "DECstations" 320 bool "DECstations"
356 select BOOT_ELF32 321 select BOOT_ELF32
357 select CEVT_DS1287 322 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 323 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 324 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 325 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 326 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 327 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 328 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 329 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 330 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 331 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 332 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 333 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 334 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 335 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 336 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 337 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 338 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 339 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 340 select MIPS_L1_CACHE_SHIFT_4
376 help 341 help
377 This enables support for DEC's MIPS 342 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 343 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 344 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 345
381 If you have one of the following DEC 346 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 347 want to choose R4xx0 for the CPU Type:
383 348
384 DECstation 5000/50 349 DECstation 5000/50
385 DECstation 5000/150 350 DECstation 5000/150
386 DECstation 5000/260 351 DECstation 5000/260
387 DECsystem 5900/260 352 DECsystem 5900/260
388 353
389 otherwise choose R3000. 354 otherwise choose R3000.
390 355
391 config MACH_JAZZ 356 config MACH_JAZZ
392 bool "Jazz family of machines" 357 bool "Jazz family of machines"
393 select ARC_MEMORY <<
394 select ARC_PROMLIB <<
395 select ARCH_MIGHT_HAVE_PC_PARPORT 358 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 359 select ARCH_MIGHT_HAVE_PC_SERIO
397 select FW_ARC 360 select FW_ARC
398 select FW_ARC32 361 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 362 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 363 select CEVT_R4K
401 select CSRC_R4K 364 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 365 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 366 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 367 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 368 select IRQ_MIPS_CPU
406 select I8253 369 select I8253
407 select I8259 370 select I8259
408 select ISA 371 select ISA
409 select SYS_HAS_CPU_R4X00 372 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 373 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 374 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 375 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 376 help
415 This a family of machines based on t 377 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 378 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 379 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 380 Olivetti M700-10 workstations.
419 381
420 config MACH_INGENIC_SOC !! 382 config MACH_INGENIC
421 bool "Ingenic SoC based machines" 383 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC !! 384 select SYS_SUPPORTS_32BIT_KERNEL
423 select MACH_INGENIC !! 385 select SYS_SUPPORTS_LITTLE_ENDIAN
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 386 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ !! 387 select DMA_NONCOHERENT
427 select MIPS_EXTERNAL_TIMER !! 388 select IRQ_MIPS_CPU
>> 389 select PINCTRL
>> 390 select GPIOLIB
>> 391 select COMMON_CLK
>> 392 select GENERIC_IRQ_CHIP
>> 393 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 394 select USE_OF
>> 395 select LIBFDT
428 396
429 config LANTIQ 397 config LANTIQ
430 bool "Lantiq based platforms" 398 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 399 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 400 select IRQ_MIPS_CPU
433 select CEVT_R4K 401 select CEVT_R4K
434 select CSRC_R4K 402 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 403 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 404 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 405 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 406 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 407 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 408 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 409 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 410 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 411 select GPIOLIB
445 select SWAP_IO_SPACE 412 select SWAP_IO_SPACE
446 select BOOT_RAW 413 select BOOT_RAW
447 select HAVE_LEGACY_CLK !! 414 select CLKDEV_LOOKUP
448 select USE_OF 415 select USE_OF
449 select PINCTRL 416 select PINCTRL
450 select PINCTRL_LANTIQ 417 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 418 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 419 select RESET_CONTROLLER
453 420
>> 421 config LASAT
>> 422 bool "LASAT Networks platforms"
>> 423 select CEVT_R4K
>> 424 select CRC32
>> 425 select CSRC_R4K
>> 426 select DMA_NONCOHERENT
>> 427 select SYS_HAS_EARLY_PRINTK
>> 428 select HAVE_PCI
>> 429 select IRQ_MIPS_CPU
>> 430 select PCI_GT64XXX_PCI0
>> 431 select MIPS_NILE4
>> 432 select R5000_CPU_SCACHE
>> 433 select SYS_HAS_CPU_R5000
>> 434 select SYS_SUPPORTS_32BIT_KERNEL
>> 435 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 436 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 437
454 config MACH_LOONGSON32 438 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin !! 439 bool "Loongson-1 family of machines"
456 select SYS_SUPPORTS_ZBOOT 440 select SYS_SUPPORTS_ZBOOT
457 help 441 help
458 This enables support for the Loongso 442 This enables support for the Loongson-1 family of machines.
459 443
460 Loongson-1 is a family of 32-bit MIP 444 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 445 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 446 Sciences (CAS).
463 447
464 config MACH_LOONGSON2EF !! 448 config MACH_LOONGSON64
465 bool "Loongson-2E/F family of machines !! 449 bool "Loongson-2/3 family of machines"
466 select SYS_SUPPORTS_ZBOOT 450 select SYS_SUPPORTS_ZBOOT
467 help 451 help
468 This enables the support of early Lo !! 452 This enables the support of Loongson-2/3 family of machines.
469 453
470 config MACH_LOONGSON64 !! 454 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
471 bool "Loongson 64-bit family of machin !! 455 family of multi-core CPUs. They are both 64-bit general-purpose
472 select ARCH_DMA_DEFAULT_COHERENT !! 456 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
473 select ARCH_SPARSEMEM_ENABLE !! 457 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
474 select ARCH_MIGHT_HAVE_PC_PARPORT !! 458 in the People's Republic of China. The chief architect is Professor
475 select ARCH_MIGHT_HAVE_PC_SERIO !! 459 Weiwu Hu.
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN !! 460
>> 461 config MACH_PISTACHIO
>> 462 bool "IMG Pistachio SoC based boards"
477 select BOOT_ELF32 463 select BOOT_ELF32
478 select BOARD_SCACHE !! 464 select BOOT_RAW
479 select CSRC_R4K <<
480 select CEVT_R4K 465 select CEVT_R4K
481 select SYNC_R4K !! 466 select CLKSRC_MIPS_GIC
482 select FORCE_PCI !! 467 select COMMON_CLK
483 select ISA !! 468 select CSRC_R4K
484 select I8259 !! 469 select DMA_NONCOHERENT
>> 470 select GPIOLIB
485 select IRQ_MIPS_CPU 471 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL !! 472 select LIBFDT
487 select NR_CPUS_DEFAULT_64 !! 473 select MFD_SYSCON
488 select USE_GENERIC_EARLY_PRINTK_8250 !! 474 select MIPS_CPU_SCACHE
489 select PCI_DRIVERS_GENERIC !! 475 select MIPS_GIC
490 select SYS_HAS_CPU_LOONGSON64 !! 476 select PINCTRL
491 select SYS_HAS_EARLY_PRINTK !! 477 select REGULATOR
492 select SYS_SUPPORTS_SMP !! 478 select SYS_HAS_CPU_MIPS32_R2
493 select SYS_SUPPORTS_HOTPLUG_CPU !! 479 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 480 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT !! 481 select SYS_SUPPORTS_MIPS_CPS
>> 482 select SYS_SUPPORTS_MULTITHREADING
499 select SYS_SUPPORTS_RELOCATABLE 483 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 !! 484 select SYS_SUPPORTS_ZBOOT
501 select COMMON_CLK !! 485 select SYS_HAS_EARLY_PRINTK
>> 486 select USE_GENERIC_EARLY_PRINTK_8250
502 select USE_OF 487 select USE_OF
503 select BUILTIN_DTB <<
504 select PCI_HOST_GENERIC <<
505 help 488 help
506 This enables the support of Loongson !! 489 This enables support for the IMG Pistachio SoC platform.
507 <<
508 Loongson-2 and Loongson-3 are 64-bit <<
509 GS264/GS464/GS464E/GS464V microarchi <<
510 and Loongson-2F which will be remove <<
511 of Computing Technology (ICT), Chine <<
512 490
513 config MIPS_MALTA 491 config MIPS_MALTA
514 bool "MIPS Malta board" 492 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 493 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 494 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 495 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 496 select BOOT_ELF32
519 select BOOT_RAW 497 select BOOT_RAW
520 select BUILTIN_DTB 498 select BUILTIN_DTB
521 select CEVT_R4K 499 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 500 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 501 select COMMON_CLK
524 select CSRC_R4K 502 select CSRC_R4K
525 select DMA_NONCOHERENT !! 503 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 504 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 505 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 506 select HAVE_PCI
529 select I8253 507 select I8253
530 select I8259 508 select I8259
531 select IRQ_MIPS_CPU 509 select IRQ_MIPS_CPU
>> 510 select LIBFDT
532 select MIPS_BONITO64 511 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 512 select MIPS_CPU_SCACHE
534 select MIPS_GIC 513 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 514 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 515 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 516 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 517 select SMP_UP if SMP
539 select SWAP_IO_SPACE 518 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 519 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 520 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 521 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 522 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 523 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 524 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 525 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 526 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 527 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 528 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 529 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 530 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 531 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 532 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 533 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 534 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 535 select SYS_SUPPORTS_MIPS16
>> 536 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 537 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 538 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 539 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 540 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 541 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 542 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 543 select USE_OF
564 select WAR_ICACHE_REFILLS <<
565 select ZONE_DMA32 if 64BIT 544 select ZONE_DMA32 if 64BIT
566 help 545 help
567 This enables support for the MIPS Te 546 This enables support for the MIPS Technologies Malta evaluation
568 board. 547 board.
569 548
570 config MACH_PIC32 549 config MACH_PIC32
571 bool "Microchip PIC32 Family" 550 bool "Microchip PIC32 Family"
572 help 551 help
573 This enables support for the Microch 552 This enables support for the Microchip PIC32 family of platforms.
574 553
575 Microchip PIC32 is a family of gener 554 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 555 microcontrollers.
577 556
578 config EYEQ !! 557 config NEC_MARKEINS
579 bool "Mobileye EyeQ SoC" !! 558 bool "NEC EMMA2RH Mark-eins board"
580 select MACH_GENERIC_CORE !! 559 select SOC_EMMA2RH
581 select ARM_AMBA !! 560 select HAVE_PCI
582 select PHYSICAL_START_BOOL !! 561 help
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 562 This enables support for the NEC Electronics Mark-eins boards.
584 select BOOT_RAW !! 563
585 select BUILTIN_DTB !! 564 config MACH_VR41XX
>> 565 bool "NEC VR4100 series based machines"
586 select CEVT_R4K 566 select CEVT_R4K
587 select CLKSRC_MIPS_GIC <<
588 select COMMON_CLK <<
589 select CPU_MIPSR2_IRQ_EI <<
590 select CPU_MIPSR2_IRQ_VI <<
591 select CSRC_R4K 567 select CSRC_R4K
592 select DMA_NONCOHERENT !! 568 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 569 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 570 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET !! 571
596 select MIPS_CPU_SCACHE !! 572 config NXP_STB220
597 select MIPS_GIC !! 573 bool "NXP STB220 board"
598 select MIPS_L1_CACHE_SHIFT_7 !! 574 select SOC_PNX833X
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
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 <<
617 help 575 help
618 Select this to build a kernel suppor !! 576 Support for NXP Semiconductors STB220 Development Board.
619 577
620 bool !! 578 config NXP_STB225
>> 579 bool "NXP 225 board"
>> 580 select SOC_PNX833X
>> 581 select SOC_PNX8335
>> 582 help
>> 583 Support for NXP Semiconductors STB225 Development Board.
621 584
622 config MACH_NINTENDO64 !! 585 config PMC_MSP
623 bool "Nintendo 64 console" !! 586 bool "PMC-Sierra MSP chipsets"
624 select CEVT_R4K 587 select CEVT_R4K
625 select CSRC_R4K 588 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 589 select DMA_NONCOHERENT
>> 590 select SWAP_IO_SPACE
>> 591 select NO_EXCEPT_FILL
>> 592 select BOOT_RAW
>> 593 select SYS_HAS_CPU_MIPS32_R1
>> 594 select SYS_HAS_CPU_MIPS32_R2
>> 595 select SYS_SUPPORTS_32BIT_KERNEL
>> 596 select SYS_SUPPORTS_BIG_ENDIAN
>> 597 select SYS_SUPPORTS_MIPS16
632 select IRQ_MIPS_CPU 598 select IRQ_MIPS_CPU
>> 599 select SERIAL_8250
>> 600 select SERIAL_8250_CONSOLE
>> 601 select USB_EHCI_BIG_ENDIAN_MMIO
>> 602 select USB_EHCI_BIG_ENDIAN_DESC
>> 603 help
>> 604 This adds support for the PMC-Sierra family of Multi-Service
>> 605 Processor System-On-A-Chips. These parts include a number
>> 606 of integrated peripherals, interfaces and DSPs in addition to
>> 607 a variety of MIPS cores.
633 608
634 config RALINK 609 config RALINK
635 bool "Ralink based machines" 610 bool "Ralink based machines"
636 select CEVT_R4K 611 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 612 select CSRC_R4K
639 select BOOT_RAW 613 select BOOT_RAW
640 select DMA_NONCOHERENT 614 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 615 select IRQ_MIPS_CPU
642 select USE_OF 616 select USE_OF
>> 617 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 618 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 619 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 620 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 621 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT <<
648 select SYS_HAS_EARLY_PRINTK 622 select SYS_HAS_EARLY_PRINTK
>> 623 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 624 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 625 select RESET_CONTROLLER
651 626
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 627 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 628 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY <<
675 select ARC_PROMLIB <<
676 select FW_ARC 629 select FW_ARC
677 select FW_ARC32 630 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 631 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 632 select BOOT_ELF32
680 select CEVT_R4K 633 select CEVT_R4K
681 select CSRC_R4K 634 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 635 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 636 select DMA_NONCOHERENT
684 select HAVE_EISA 637 select HAVE_EISA
685 select I8253 638 select I8253
686 select I8259 639 select I8259
687 select IP22_CPU_SCACHE 640 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 641 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 642 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 643 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 644 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 645 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 646 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 647 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 648 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 649 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 650 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 651 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK !! 652 #
>> 653 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 654 # memory during early boot on some machines.
>> 655 #
>> 656 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 657 # for a more details discussion
>> 658 #
>> 659 # select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 660 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 661 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 662 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_7 663 select MIPS_L1_CACHE_SHIFT_7
707 help 664 help
708 This are the SGI Indy, Challenge S a 665 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 666 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 667 that runs on these, say Y here.
711 668
712 config SGI_IP27 669 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 670 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 671 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE <<
716 select FW_ARC 672 select FW_ARC
717 select FW_ARC64 673 select FW_ARC64
718 select ARC_CMDLINE_ONLY <<
719 select BOOT_ELF64 674 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 675 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 676 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 677 select HAVE_PCI
724 select IRQ_MIPS_CPU 678 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 679 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 680 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 681 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 682 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 683 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 684 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 685 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 686 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 687 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 688 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA <<
737 help 689 help
738 This are the SGI Origin 200, Origin 690 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 691 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 692 here.
741 693
742 config SGI_IP28 694 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 695 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY <<
745 select ARC_PROMLIB <<
746 select FW_ARC 696 select FW_ARC
747 select FW_ARC64 697 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 698 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 699 select BOOT_ELF64
750 select CEVT_R4K 700 select CEVT_R4K
751 select CSRC_R4K 701 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 702 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 703 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 704 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 705 select IRQ_MIPS_CPU
756 select HAVE_EISA 706 select HAVE_EISA
757 select I8253 707 select I8253
758 select I8259 708 select I8259
759 select SGI_HAS_I8042 709 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 710 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 711 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 712 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 713 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 714 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 715 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 716 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK !! 717 #
>> 718 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 719 # memory during early boot on some machines.
>> 720 #
>> 721 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 722 # for a more details discussion
>> 723 #
>> 724 # select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 725 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 726 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC <<
771 select MIPS_L1_CACHE_SHIFT_7 727 select MIPS_L1_CACHE_SHIFT_7
772 help 728 help
773 This is the SGI Indigo2 with R10000 729 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 730 kernel that runs on these, say Y here.
775 731
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 <<
795 select SYS_SUPPORTS_BIG_ENDIAN <<
796 select SYS_SUPPORTS_SMP <<
797 select WAR_R10000_LLSC <<
798 select MIPS_L1_CACHE_SHIFT_7 <<
799 select ARC_MEMORY <<
800 help <<
801 These are the SGI Octane and Octane2 <<
802 compile a Linux kernel that runs on <<
803 <<
804 config SGI_IP32 732 config SGI_IP32
805 bool "SGI IP32 (O2)" 733 bool "SGI IP32 (O2)"
806 select ARC_MEMORY <<
807 select ARC_PROMLIB <<
808 select ARCH_HAS_PHYS_TO_DMA 734 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 735 select FW_ARC
810 select FW_ARC32 736 select FW_ARC32
811 select BOOT_ELF32 737 select BOOT_ELF32
812 select CEVT_R4K 738 select CEVT_R4K
813 select CSRC_R4K 739 select CSRC_R4K
814 select DMA_NONCOHERENT 740 select DMA_NONCOHERENT
815 select HAVE_PCI 741 select HAVE_PCI
816 select IRQ_MIPS_CPU 742 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 743 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 744 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 745 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 746 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 747 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 748 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 749 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 750 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 751 help
827 If you want this kernel to run on SG 752 If you want this kernel to run on SGI O2 workstation, say Y here.
828 753
>> 754 config SIBYTE_CRHINE
>> 755 bool "Sibyte BCM91120C-CRhine"
>> 756 select BOOT_ELF32
>> 757 select SIBYTE_BCM1120
>> 758 select SWAP_IO_SPACE
>> 759 select SYS_HAS_CPU_SB1
>> 760 select SYS_SUPPORTS_BIG_ENDIAN
>> 761 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 762
>> 763 config SIBYTE_CARMEL
>> 764 bool "Sibyte BCM91120x-Carmel"
>> 765 select BOOT_ELF32
>> 766 select SIBYTE_BCM1120
>> 767 select SWAP_IO_SPACE
>> 768 select SYS_HAS_CPU_SB1
>> 769 select SYS_SUPPORTS_BIG_ENDIAN
>> 770 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 771
829 config SIBYTE_CRHONE 772 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 773 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 774 select BOOT_ELF32
832 select SIBYTE_BCM1125 775 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 776 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 777 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 778 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 779 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 780 select SYS_SUPPORTS_LITTLE_ENDIAN
838 781
839 config SIBYTE_RHONE 782 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 783 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 784 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 785 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 786 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 787 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 788 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 789 select SYS_SUPPORTS_LITTLE_ENDIAN
847 790
848 config SIBYTE_SWARM 791 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 792 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 793 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 794 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 795 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 796 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 797 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 798 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 799 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 800 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 801 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 802 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 803
861 config SIBYTE_LITTLESUR 804 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 805 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 806 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 807 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 808 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 809 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 810 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 811 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 812 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 813 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 814 select ZONE_DMA32 if 64BIT
872 815
873 config SIBYTE_SENTOSA 816 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 817 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 818 select BOOT_ELF32
876 select SIBYTE_SB1250 819 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 820 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 821 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 822 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 823 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 824 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 825
883 config SIBYTE_BIGSUR 826 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 827 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 828 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 829 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 830 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 831 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 832 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 833 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 834 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 835 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 836 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 837 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 838
896 config SNI_RM 839 config SNI_RM
897 bool "SNI RM200/300/400" 840 bool "SNI RM200/300/400"
898 select ARC_MEMORY <<
899 select ARC_PROMLIB <<
900 select FW_ARC if CPU_LITTLE_ENDIAN 841 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 842 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 843 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 844 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 845 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 846 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 847 select BOOT_ELF32
907 select CEVT_R4K 848 select CEVT_R4K
908 select CSRC_R4K 849 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 850 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 851 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 852 select GENERIC_ISA_DMA
912 select HAVE_EISA 853 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 854 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 855 select HAVE_PCI
915 select IRQ_MIPS_CPU 856 select IRQ_MIPS_CPU
916 select I8253 857 select I8253
917 select I8259 858 select I8259
918 select ISA 859 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 <<
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 860 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 861 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 862 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 863 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 864 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 865 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 866 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 867 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 868 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 869 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 870 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 871 help
933 The SNI RM200/300/400 are MIPS-based 872 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 873 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 874 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 875 support this machine type.
937 876
>> 877 config MACH_TX39XX
>> 878 bool "Toshiba TX39 series based machines"
>> 879
938 config MACH_TX49XX 880 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 881 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 882
942 config MIKROTIK_RB532 883 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 884 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 885 select CEVT_R4K
945 select CSRC_R4K 886 select CSRC_R4K
946 select DMA_NONCOHERENT 887 select DMA_NONCOHERENT
947 select HAVE_PCI 888 select HAVE_PCI
948 select IRQ_MIPS_CPU 889 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 890 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 891 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 892 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 893 select SWAP_IO_SPACE
953 select BOOT_RAW 894 select BOOT_RAW
954 select GPIOLIB 895 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 896 select MIPS_L1_CACHE_SHIFT_4
956 help 897 help
957 Support the Mikrotik(tm) RouterBoard 898 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 899 based on the IDT RC32434 SoC.
959 900
960 config CAVIUM_OCTEON_SOC 901 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 902 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 903 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 904 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 905 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 906 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 907 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 908 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 909 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 910 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 911 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 912 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 913 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 914 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 915 select HAVE_PCI
975 select HAVE_PLAT_DELAY <<
976 select HAVE_PLAT_FW_INIT_CMDLINE <<
977 select HAVE_PLAT_MEMCPY <<
978 select ZONE_DMA32 916 select ZONE_DMA32
>> 917 select HOLES_IN_ZONE
979 select GPIOLIB 918 select GPIOLIB
>> 919 select LIBFDT
980 select USE_OF 920 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 921 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 922 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 923 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 924 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 925 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 926 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 927 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 928 select SYS_SUPPORTS_RELOCATABLE
990 help 929 help
991 This option supports all of the Octe 930 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 931 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 932 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 933 Some of the supported boards are:
995 EBT3000 934 EBT3000
996 EBH3000 935 EBH3000
997 EBH3100 936 EBH3100
998 Thunder 937 Thunder
999 Kodama 938 Kodama
1000 Hikari 939 Hikari
1001 Say Y here for most Octeon referenc 940 Say Y here for most Octeon reference boards.
1002 941
1003 endchoice !! 942 config NLM_XLR_BOARD
>> 943 bool "Netlogic XLR/XLS based systems"
>> 944 select BOOT_ELF32
>> 945 select NLM_COMMON
>> 946 select SYS_HAS_CPU_XLR
>> 947 select SYS_SUPPORTS_SMP
>> 948 select HAVE_PCI
>> 949 select SWAP_IO_SPACE
>> 950 select SYS_SUPPORTS_32BIT_KERNEL
>> 951 select SYS_SUPPORTS_64BIT_KERNEL
>> 952 select PHYS_ADDR_T_64BIT
>> 953 select SYS_SUPPORTS_BIG_ENDIAN
>> 954 select SYS_SUPPORTS_HIGHMEM
>> 955 select NR_CPUS_DEFAULT_32
>> 956 select CEVT_R4K
>> 957 select CSRC_R4K
>> 958 select IRQ_MIPS_CPU
>> 959 select ZONE_DMA32 if 64BIT
>> 960 select SYNC_R4K
>> 961 select SYS_HAS_EARLY_PRINTK
>> 962 select SYS_SUPPORTS_ZBOOT
>> 963 select SYS_SUPPORTS_ZBOOT_UART16550
>> 964 help
>> 965 Support for systems based on Netlogic XLR and XLS processors.
>> 966 Say Y here if you have a XLR or XLS based board.
1004 967
1005 config FIT_IMAGE_FDT_EPM5 !! 968 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 969 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 970 select BOOT_ELF32
1008 default n !! 971 select NLM_COMMON
>> 972 select SYS_HAS_CPU_XLP
>> 973 select SYS_SUPPORTS_SMP
>> 974 select HAVE_PCI
>> 975 select SYS_SUPPORTS_32BIT_KERNEL
>> 976 select SYS_SUPPORTS_64BIT_KERNEL
>> 977 select PHYS_ADDR_T_64BIT
>> 978 select GPIOLIB
>> 979 select SYS_SUPPORTS_BIG_ENDIAN
>> 980 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 981 select SYS_SUPPORTS_HIGHMEM
>> 982 select NR_CPUS_DEFAULT_32
>> 983 select CEVT_R4K
>> 984 select CSRC_R4K
>> 985 select IRQ_MIPS_CPU
>> 986 select ZONE_DMA32 if 64BIT
>> 987 select SYNC_R4K
>> 988 select SYS_HAS_EARLY_PRINTK
>> 989 select USE_OF
>> 990 select SYS_SUPPORTS_ZBOOT
>> 991 select SYS_SUPPORTS_ZBOOT_UART16550
>> 992 help
>> 993 This board is based on Netlogic XLP Processor.
>> 994 Say Y here if you have a XLP based board.
>> 995
>> 996 config MIPS_PARAVIRT
>> 997 bool "Para-Virtualized guest system"
>> 998 select CEVT_R4K
>> 999 select CSRC_R4K
>> 1000 select SYS_SUPPORTS_64BIT_KERNEL
>> 1001 select SYS_SUPPORTS_32BIT_KERNEL
>> 1002 select SYS_SUPPORTS_BIG_ENDIAN
>> 1003 select SYS_SUPPORTS_SMP
>> 1004 select NR_CPUS_DEFAULT_4
>> 1005 select SYS_HAS_EARLY_PRINTK
>> 1006 select SYS_HAS_CPU_MIPS32_R2
>> 1007 select SYS_HAS_CPU_MIPS64_R2
>> 1008 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1009 select HAVE_PCI
>> 1010 select SWAP_IO_SPACE
1009 help 1011 help
1010 Enable this to include the FDT for !! 1012 This option supports guest running under ????
1011 from Mobileye in the FIT kernel ima !! 1013
1012 This requires u-boot on the platfor !! 1014 endchoice
1013 1015
1014 source "arch/mips/alchemy/Kconfig" 1016 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1017 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1018 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1019 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1020 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1021 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1022 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" <<
1022 source "arch/mips/jazz/Kconfig" 1023 source "arch/mips/jazz/Kconfig"
>> 1024 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1025 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 1026 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig" 1027 source "arch/mips/pic32/Kconfig"
>> 1028 source "arch/mips/pistachio/Kconfig"
>> 1029 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1030 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1031 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1032 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1033 source "arch/mips/txx9/Kconfig"
>> 1034 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1035 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" <<
1032 source "arch/mips/loongson32/Kconfig" 1036 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1037 source "arch/mips/loongson64/Kconfig"
>> 1038 source "arch/mips/netlogic/Kconfig"
>> 1039 source "arch/mips/paravirt/Kconfig"
1034 1040
1035 endmenu 1041 endmenu
1036 1042
1037 config GENERIC_HWEIGHT 1043 config GENERIC_HWEIGHT
1038 bool 1044 bool
1039 default y 1045 default y
1040 1046
1041 config GENERIC_CALIBRATE_DELAY 1047 config GENERIC_CALIBRATE_DELAY
1042 bool 1048 bool
1043 default y 1049 default y
1044 1050
1045 config SCHED_OMIT_FRAME_POINTER 1051 config SCHED_OMIT_FRAME_POINTER
1046 bool 1052 bool
1047 default y 1053 default y
1048 1054
1049 # 1055 #
1050 # Select some configuration options automatic 1056 # Select some configuration options automatically based on user selections.
1051 # 1057 #
1052 config FW_ARC 1058 config FW_ARC
1053 bool 1059 bool
1054 1060
1055 config ARCH_MAY_HAVE_PC_FDC 1061 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1062 bool
1057 1063
1058 config BOOT_RAW 1064 config BOOT_RAW
1059 bool 1065 bool
1060 1066
1061 config CEVT_BCM1480 1067 config CEVT_BCM1480
1062 bool 1068 bool
1063 1069
1064 config CEVT_DS1287 1070 config CEVT_DS1287
1065 bool 1071 bool
1066 1072
1067 config CEVT_GT641XX 1073 config CEVT_GT641XX
1068 bool 1074 bool
1069 1075
1070 config CEVT_R4K 1076 config CEVT_R4K
1071 bool 1077 bool
1072 1078
1073 config CEVT_SB1250 1079 config CEVT_SB1250
1074 bool 1080 bool
1075 1081
1076 config CEVT_TXX9 1082 config CEVT_TXX9
1077 bool 1083 bool
1078 1084
1079 config CSRC_BCM1480 1085 config CSRC_BCM1480
1080 bool 1086 bool
1081 1087
1082 config CSRC_IOASIC 1088 config CSRC_IOASIC
1083 bool 1089 bool
1084 1090
1085 config CSRC_R4K 1091 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR <<
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1092 bool
1089 1093
1090 config CSRC_SB1250 1094 config CSRC_SB1250
1091 bool 1095 bool
1092 1096
1093 config MIPS_CLOCK_VSYSCALL 1097 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1098 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1099
1096 config GPIO_TXX9 1100 config GPIO_TXX9
1097 select GPIOLIB 1101 select GPIOLIB
1098 bool 1102 bool
1099 1103
1100 config FW_CFE 1104 config FW_CFE
1101 bool 1105 bool
1102 1106
1103 config ARCH_SUPPORTS_UPROBES 1107 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1108 bool
1105 1109
1106 config DMA_NONCOHERENT !! 1110 config DMA_MAYBE_COHERENT
>> 1111 select ARCH_HAS_DMA_COHERENCE_H
>> 1112 select DMA_NONCOHERENT
>> 1113 bool
>> 1114
>> 1115 config DMA_PERDEV_COHERENT
1107 bool 1116 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 1117 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE !! 1118 select DMA_NONCOHERENT
1117 select ARCH_HAS_DMA_PREP_COHERENT !! 1119
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 1120 config DMA_NONCOHERENT
>> 1121 bool
>> 1122 select ARCH_HAS_DMA_MMAP_PGPROT
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1123 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED !! 1124 select ARCH_HAS_UNCACHED_SEGMENT
1121 select DMA_NONCOHERENT_MMAP <<
1122 select NEED_DMA_MAP_STATE 1125 select NEED_DMA_MAP_STATE
>> 1126 select ARCH_HAS_DMA_COHERENT_TO_PFN
>> 1127 select DMA_NONCOHERENT_CACHE_SYNC
1123 1128
1124 config SYS_HAS_EARLY_PRINTK 1129 config SYS_HAS_EARLY_PRINTK
1125 bool 1130 bool
1126 1131
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1132 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1133 bool
1129 1134
1130 config MIPS_BONITO64 1135 config MIPS_BONITO64
1131 bool 1136 bool
1132 1137
1133 config MIPS_MSC 1138 config MIPS_MSC
1134 bool 1139 bool
1135 1140
>> 1141 config MIPS_NILE4
>> 1142 bool
>> 1143
1136 config SYNC_R4K 1144 config SYNC_R4K
1137 bool 1145 bool
1138 1146
>> 1147 config MIPS_MACHINE
>> 1148 def_bool n
>> 1149
1139 config NO_IOPORT_MAP 1150 config NO_IOPORT_MAP
1140 def_bool n 1151 def_bool n
1141 1152
1142 config GENERIC_CSUM 1153 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR !! 1154 bool
>> 1155 default y if !CPU_HAS_LOAD_STORE_LR
1144 1156
1145 config GENERIC_ISA_DMA 1157 config GENERIC_ISA_DMA
1146 bool 1158 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1159 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1160 select ISA_DMA_API
1149 1161
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1162 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1163 bool
1152 select GENERIC_ISA_DMA 1164 select GENERIC_ISA_DMA
1153 1165
1154 config HAVE_PLAT_DELAY !! 1166 config ISA_DMA_API
1155 bool <<
1156 <<
1157 config HAVE_PLAT_FW_INIT_CMDLINE <<
1158 bool <<
1159 <<
1160 config HAVE_PLAT_MEMCPY <<
1161 bool 1167 bool
1162 1168
1163 config ISA_DMA_API !! 1169 config HOLES_IN_ZONE
1164 bool 1170 bool
1165 1171
1166 config SYS_SUPPORTS_RELOCATABLE 1172 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1173 bool
1168 help 1174 help
1169 Selected if the platform supports r 1175 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1176 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1177 to allow access to command line and entropy sources.
1172 1178
>> 1179 config MIPS_CBPF_JIT
>> 1180 def_bool y
>> 1181 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1182
>> 1183 config MIPS_EBPF_JIT
>> 1184 def_bool y
>> 1185 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1186
>> 1187
1173 # 1188 #
1174 # Endianness selection. Sufficiently obscure 1189 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1190 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1191 # choice statement should be more obvious to the user.
1177 # 1192 #
1178 choice 1193 choice
1179 prompt "Endianness selection" 1194 prompt "Endianness selection"
1180 help 1195 help
1181 Some MIPS machines can be configure 1196 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1197 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1198 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1199 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1200 one or the other endianness.
1186 1201
1187 config CPU_BIG_ENDIAN 1202 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1203 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1204 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1205
1191 config CPU_LITTLE_ENDIAN 1206 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1207 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1208 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1209
1195 endchoice 1210 endchoice
1196 1211
1197 config EXPORT_UASM 1212 config EXPORT_UASM
1198 bool 1213 bool
1199 1214
1200 config SYS_SUPPORTS_APM_EMULATION 1215 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1216 bool
1202 1217
1203 config SYS_SUPPORTS_BIG_ENDIAN 1218 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1219 bool
1205 1220
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1221 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1222 bool
1208 1223
>> 1224 config SYS_SUPPORTS_HUGETLBFS
>> 1225 bool
>> 1226 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 1227 default y
>> 1228
1209 config MIPS_HUGE_TLB_SUPPORT 1229 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1230 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1231
>> 1232 config IRQ_CPU_RM7K
>> 1233 bool
>> 1234
>> 1235 config IRQ_MSP_SLP
>> 1236 bool
>> 1237
>> 1238 config IRQ_MSP_CIC
>> 1239 bool
>> 1240
1212 config IRQ_TXX9 1241 config IRQ_TXX9
1213 bool 1242 bool
1214 1243
1215 config IRQ_GT641XX 1244 config IRQ_GT641XX
1216 bool 1245 bool
1217 1246
1218 config PCI_GT64XXX_PCI0 1247 config PCI_GT64XXX_PCI0
1219 bool 1248 bool
1220 1249
1221 config PCI_XTALK_BRIDGE 1250 config PCI_XTALK_BRIDGE
1222 bool 1251 bool
1223 1252
1224 config NO_EXCEPT_FILL 1253 config NO_EXCEPT_FILL
1225 bool 1254 bool
1226 1255
>> 1256 config SOC_EMMA2RH
>> 1257 bool
>> 1258 select CEVT_R4K
>> 1259 select CSRC_R4K
>> 1260 select DMA_NONCOHERENT
>> 1261 select IRQ_MIPS_CPU
>> 1262 select SWAP_IO_SPACE
>> 1263 select SYS_HAS_CPU_R5500
>> 1264 select SYS_SUPPORTS_32BIT_KERNEL
>> 1265 select SYS_SUPPORTS_64BIT_KERNEL
>> 1266 select SYS_SUPPORTS_BIG_ENDIAN
>> 1267
>> 1268 config SOC_PNX833X
>> 1269 bool
>> 1270 select CEVT_R4K
>> 1271 select CSRC_R4K
>> 1272 select IRQ_MIPS_CPU
>> 1273 select DMA_NONCOHERENT
>> 1274 select SYS_HAS_CPU_MIPS32_R2
>> 1275 select SYS_SUPPORTS_32BIT_KERNEL
>> 1276 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1277 select SYS_SUPPORTS_BIG_ENDIAN
>> 1278 select SYS_SUPPORTS_MIPS16
>> 1279 select CPU_MIPSR2_IRQ_VI
>> 1280
>> 1281 config SOC_PNX8335
>> 1282 bool
>> 1283 select SOC_PNX833X
>> 1284
1227 config MIPS_SPRAM 1285 config MIPS_SPRAM
1228 bool 1286 bool
1229 1287
1230 config SWAP_IO_SPACE 1288 config SWAP_IO_SPACE
1231 bool 1289 bool
1232 1290
1233 config SGI_HAS_INDYDOG 1291 config SGI_HAS_INDYDOG
1234 bool 1292 bool
1235 1293
1236 config SGI_HAS_HAL2 1294 config SGI_HAS_HAL2
1237 bool 1295 bool
1238 1296
1239 config SGI_HAS_SEEQ 1297 config SGI_HAS_SEEQ
1240 bool 1298 bool
1241 1299
1242 config SGI_HAS_WD93 1300 config SGI_HAS_WD93
1243 bool 1301 bool
1244 1302
1245 config SGI_HAS_ZILOG 1303 config SGI_HAS_ZILOG
1246 bool 1304 bool
1247 1305
1248 config SGI_HAS_I8042 1306 config SGI_HAS_I8042
1249 bool 1307 bool
1250 1308
1251 config DEFAULT_SGI_PARTITION 1309 config DEFAULT_SGI_PARTITION
1252 bool 1310 bool
1253 1311
1254 config FW_ARC32 1312 config FW_ARC32
1255 bool 1313 bool
1256 1314
1257 config FW_SNIPROM 1315 config FW_SNIPROM
1258 bool 1316 bool
1259 1317
1260 config BOOT_ELF32 1318 config BOOT_ELF32
1261 bool 1319 bool
1262 1320
1263 config MIPS_L1_CACHE_SHIFT_4 1321 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1322 bool
1265 1323
1266 config MIPS_L1_CACHE_SHIFT_5 1324 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1325 bool
1268 1326
1269 config MIPS_L1_CACHE_SHIFT_6 1327 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1328 bool
1271 1329
1272 config MIPS_L1_CACHE_SHIFT_7 1330 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1331 bool
1274 1332
1275 config MIPS_L1_CACHE_SHIFT 1333 config MIPS_L1_CACHE_SHIFT
1276 int 1334 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1335 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1336 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1337 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1338 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1339 default "5"
1282 1340
1283 config ARC_CMDLINE_ONLY !! 1341 config HAVE_STD_PC_SERIAL_PORT
1284 bool 1342 bool
1285 1343
1286 config ARC_CONSOLE 1344 config ARC_CONSOLE
1287 bool "ARC console support" 1345 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1346 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1347
1290 config ARC_MEMORY 1348 config ARC_MEMORY
1291 bool 1349 bool
>> 1350 depends on MACH_JAZZ || SNI_RM || SGI_IP32
>> 1351 default y
1292 1352
1293 config ARC_PROMLIB 1353 config ARC_PROMLIB
1294 bool 1354 bool
>> 1355 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
>> 1356 default y
1295 1357
1296 config FW_ARC64 1358 config FW_ARC64
1297 bool 1359 bool
1298 1360
1299 config BOOT_ELF64 1361 config BOOT_ELF64
1300 bool 1362 bool
1301 1363
1302 menu "CPU selection" 1364 menu "CPU selection"
1303 1365
1304 choice 1366 choice
1305 prompt "CPU type" 1367 prompt "CPU type"
1306 default CPU_R4X00 1368 default CPU_R4X00
1307 1369
1308 config CPU_LOONGSON64 !! 1370 config CPU_LOONGSON3
1309 bool "Loongson 64-bit CPU" !! 1371 bool "Loongson 3 CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 !! 1372 depends on SYS_HAS_CPU_LOONGSON3
1311 select ARCH_HAS_PHYS_TO_DMA 1373 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 <<
1313 select CPU_HAS_PREFETCH <<
1314 select CPU_SUPPORTS_64BIT_KERNEL 1374 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1375 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1376 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA !! 1377 select CPU_HAS_LOAD_STORE_LR
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 1378 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1379 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE <<
1325 select MIPS_PGD_C0_CONTEXT 1380 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1381 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1382 select GPIOLIB
1329 select SWIOTLB 1383 select SWIOTLB
1330 help 1384 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1385 The Loongson 3 processor implements the MIPS64R2 instruction
1332 cores implements the MIPS64R2 instr !! 1386 set with many extensions.
1333 including most 64-bit Loongson-2 (2 !! 1387
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1388 config LOONGSON3_ENHANCEMENT
1335 Loongson-2E/2F is not covered here !! 1389 bool "New Loongson 3 CPU Enhancements"
>> 1390 default n
>> 1391 select CPU_MIPSR2
>> 1392 select CPU_HAS_PREFETCH
>> 1393 depends on CPU_LOONGSON3
>> 1394 help
>> 1395 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1396 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1397 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1398 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1399 Fast TLB refill support, etc.
>> 1400
>> 1401 This option enable those enhancements which are not probed at run
>> 1402 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1403 please say 'N' here. If you want a high-performance kernel to run on
>> 1404 new Loongson 3 machines only, please say 'Y' here.
>> 1405
>> 1406 config CPU_LOONGSON3_WORKAROUNDS
>> 1407 bool "Old Loongson 3 LLSC Workarounds"
>> 1408 default y if SMP
>> 1409 depends on CPU_LOONGSON3
>> 1410 help
>> 1411 Loongson 3 processors have the llsc issues which require workarounds.
>> 1412 Without workarounds the system may hang unexpectedly.
>> 1413
>> 1414 Newer Loongson 3 will fix these issues and no workarounds are needed.
>> 1415 The workarounds have no significant side effect on them but may
>> 1416 decrease the performance of the system so this option should be
>> 1417 disabled unless the kernel is intended to be run on old systems.
>> 1418
>> 1419 If unsure, please say Y.
1336 1420
1337 config CPU_LOONGSON2E 1421 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1422 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1423 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF !! 1424 select CPU_LOONGSON2
1341 help 1425 help
1342 The Loongson 2E processor implement 1426 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1427 with many extensions.
1344 1428
1345 It has an internal FPGA northbridge 1429 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1430 bonito64.
1347 1431
1348 config CPU_LOONGSON2F 1432 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1433 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1434 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF !! 1435 select CPU_LOONGSON2
>> 1436 select GPIOLIB
1352 help 1437 help
1353 The Loongson 2F processor implement 1438 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1439 with many extensions.
1355 1440
1356 Loongson2F have built-in DDR2 and P 1441 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1442 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1443 Loongson2E.
1359 1444
1360 config CPU_LOONGSON1B 1445 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1446 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1447 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 !! 1448 select CPU_LOONGSON1
1364 select LEDS_GPIO_REGISTER 1449 select LEDS_GPIO_REGISTER
1365 help 1450 help
1366 The Loongson 1B is a 32-bit SoC, wh 1451 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1452 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1453 instruction set.
1369 1454
1370 config CPU_LOONGSON1C 1455 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1456 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1457 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 !! 1458 select CPU_LOONGSON1
1374 select LEDS_GPIO_REGISTER 1459 select LEDS_GPIO_REGISTER
1375 help 1460 help
1376 The Loongson 1C is a 32-bit SoC, wh 1461 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1462 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1463 instruction set.
1379 1464
1380 config CPU_MIPS32_R1 1465 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1466 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1467 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1468 select CPU_HAS_PREFETCH
>> 1469 select CPU_HAS_LOAD_STORE_LR
1384 select CPU_SUPPORTS_32BIT_KERNEL 1470 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1471 select CPU_SUPPORTS_HIGHMEM
1386 help 1472 help
1387 Choose this option to build a kerne 1473 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1474 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1475 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1476 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1477 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1478 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1479 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1480 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1481 performance.
1396 1482
1397 config CPU_MIPS32_R2 1483 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1484 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1485 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1486 select CPU_HAS_PREFETCH
>> 1487 select CPU_HAS_LOAD_STORE_LR
1401 select CPU_SUPPORTS_32BIT_KERNEL 1488 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1489 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1490 select CPU_SUPPORTS_MSA
>> 1491 select HAVE_KVM
1404 help 1492 help
1405 Choose this option to build a kerne 1493 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1494 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1495 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1496 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1497 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1498
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 1499 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1500 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1501 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1502 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR <<
1431 select CPU_SUPPORTS_32BIT_KERNEL 1503 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1504 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1505 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1506 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1507 select MIPS_O32_FP64_SUPPORT
1436 help 1508 help
1437 Choose this option to build a kerne 1509 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1510 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1511 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1512 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1513
1442 config CPU_MIPS64_R1 1514 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1515 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1516 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1517 select CPU_HAS_PREFETCH
>> 1518 select CPU_HAS_LOAD_STORE_LR
1446 select CPU_SUPPORTS_32BIT_KERNEL 1519 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1520 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1521 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1522 select CPU_SUPPORTS_HUGEPAGES
1450 help 1523 help
1451 Choose this option to build a kerne 1524 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1525 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1526 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1527 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1528 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1529 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1530 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1531 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1532 performance.
1460 1533
1461 config CPU_MIPS64_R2 1534 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1535 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1536 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1537 select CPU_HAS_PREFETCH
>> 1538 select CPU_HAS_LOAD_STORE_LR
1465 select CPU_SUPPORTS_32BIT_KERNEL 1539 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1540 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1541 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1542 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1543 select CPU_SUPPORTS_MSA
>> 1544 select HAVE_KVM
1470 help 1545 help
1471 Choose this option to build a kerne 1546 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1547 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1548 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1549 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1550 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1551
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 1552 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1553 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1554 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1555 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR <<
1499 select CPU_SUPPORTS_32BIT_KERNEL 1556 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1557 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1558 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1559 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1560 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1561 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1562 select HAVE_KVM
1506 help 1563 help
1507 Choose this option to build a kerne 1564 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1565 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1566 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1567 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1568
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 1569 config CPU_R3000
1534 bool "R3000" 1570 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1571 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1572 select CPU_HAS_WB
1537 select CPU_R3K_TLB !! 1573 select CPU_HAS_LOAD_STORE_LR
1538 select CPU_SUPPORTS_32BIT_KERNEL 1574 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1575 select CPU_SUPPORTS_HIGHMEM
1540 help 1576 help
1541 Please make sure to pick the right 1577 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1578 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1579 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1580 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1581 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1582 try to recompile with R3000.
1547 1583
>> 1584 config CPU_TX39XX
>> 1585 bool "R39XX"
>> 1586 depends on SYS_HAS_CPU_TX39XX
>> 1587 select CPU_SUPPORTS_32BIT_KERNEL
>> 1588 select CPU_HAS_LOAD_STORE_LR
>> 1589
>> 1590 config CPU_VR41XX
>> 1591 bool "R41xx"
>> 1592 depends on SYS_HAS_CPU_VR41XX
>> 1593 select CPU_SUPPORTS_32BIT_KERNEL
>> 1594 select CPU_SUPPORTS_64BIT_KERNEL
>> 1595 select CPU_HAS_LOAD_STORE_LR
>> 1596 help
>> 1597 The options selects support for the NEC VR4100 series of processors.
>> 1598 Only choose this option if you have one of these processors as a
>> 1599 kernel built with this option will not run on any other type of
>> 1600 processor or vice versa.
>> 1601
1548 config CPU_R4300 1602 config CPU_R4300
1549 bool "R4300" 1603 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1604 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1605 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1606 select CPU_SUPPORTS_64BIT_KERNEL
>> 1607 select CPU_HAS_LOAD_STORE_LR
1553 help 1608 help
1554 MIPS Technologies R4300-series proc 1609 MIPS Technologies R4300-series processors.
1555 1610
1556 config CPU_R4X00 1611 config CPU_R4X00
1557 bool "R4x00" 1612 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1613 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1614 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1615 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1616 select CPU_SUPPORTS_HUGEPAGES
>> 1617 select CPU_HAS_LOAD_STORE_LR
1562 help 1618 help
1563 MIPS Technologies R4000-series proc 1619 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1620 the R4000, R4400, R4600, and 4700.
1565 1621
1566 config CPU_TX49XX 1622 config CPU_TX49XX
1567 bool "R49XX" 1623 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1624 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1625 select CPU_HAS_PREFETCH
>> 1626 select CPU_HAS_LOAD_STORE_LR
1570 select CPU_SUPPORTS_32BIT_KERNEL 1627 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1628 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1629 select CPU_SUPPORTS_HUGEPAGES
1573 1630
1574 config CPU_R5000 1631 config CPU_R5000
1575 bool "R5000" 1632 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1633 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1634 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1635 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1636 select CPU_SUPPORTS_HUGEPAGES
>> 1637 select CPU_HAS_LOAD_STORE_LR
1580 help 1638 help
1581 MIPS Technologies R5000-series proc 1639 MIPS Technologies R5000-series processors other than the Nevada.
1582 1640
>> 1641 config CPU_R5432
>> 1642 bool "R5432"
>> 1643 depends on SYS_HAS_CPU_R5432
>> 1644 select CPU_SUPPORTS_32BIT_KERNEL
>> 1645 select CPU_SUPPORTS_64BIT_KERNEL
>> 1646 select CPU_SUPPORTS_HUGEPAGES
>> 1647 select CPU_HAS_LOAD_STORE_LR
>> 1648
1583 config CPU_R5500 1649 config CPU_R5500
1584 bool "R5500" 1650 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1651 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1652 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1653 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1654 select CPU_SUPPORTS_HUGEPAGES
>> 1655 select CPU_HAS_LOAD_STORE_LR
1589 help 1656 help
1590 NEC VR5500 and VR5500A series proce 1657 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1658 instruction set.
1592 1659
1593 config CPU_NEVADA 1660 config CPU_NEVADA
1594 bool "RM52xx" 1661 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1662 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1663 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1664 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1665 select CPU_SUPPORTS_HUGEPAGES
>> 1666 select CPU_HAS_LOAD_STORE_LR
1599 help 1667 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1668 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1669
>> 1670 config CPU_R8000
>> 1671 bool "R8000"
>> 1672 depends on SYS_HAS_CPU_R8000
>> 1673 select CPU_HAS_PREFETCH
>> 1674 select CPU_HAS_LOAD_STORE_LR
>> 1675 select CPU_SUPPORTS_64BIT_KERNEL
>> 1676 help
>> 1677 MIPS Technologies R8000 processors. Note these processors are
>> 1678 uncommon and the support for them is incomplete.
>> 1679
1602 config CPU_R10000 1680 config CPU_R10000
1603 bool "R10000" 1681 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1682 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1683 select CPU_HAS_PREFETCH
>> 1684 select CPU_HAS_LOAD_STORE_LR
1606 select CPU_SUPPORTS_32BIT_KERNEL 1685 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1686 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1687 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1688 select CPU_SUPPORTS_HUGEPAGES
1610 help 1689 help
1611 MIPS Technologies R10000-series pro 1690 MIPS Technologies R10000-series processors.
1612 1691
1613 config CPU_RM7000 1692 config CPU_RM7000
1614 bool "RM7000" 1693 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1694 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1695 select CPU_HAS_PREFETCH
>> 1696 select CPU_HAS_LOAD_STORE_LR
1617 select CPU_SUPPORTS_32BIT_KERNEL 1697 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1698 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1699 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1700 select CPU_SUPPORTS_HUGEPAGES
1621 1701
1622 config CPU_SB1 1702 config CPU_SB1
1623 bool "SB1" 1703 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1704 depends on SYS_HAS_CPU_SB1
>> 1705 select CPU_HAS_LOAD_STORE_LR
1625 select CPU_SUPPORTS_32BIT_KERNEL 1706 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1707 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1708 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1709 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1710 select WEAK_ORDERING
1630 1711
1631 config CPU_CAVIUM_OCTEON 1712 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1713 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1714 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1715 select CPU_HAS_PREFETCH
>> 1716 select CPU_HAS_LOAD_STORE_LR
1635 select CPU_SUPPORTS_64BIT_KERNEL 1717 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 1718 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1719 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1720 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1721 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1722 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1723 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1724 select HAVE_KVM
1645 help 1725 help
1646 The Cavium Octeon processor is a hi 1726 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1727 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1728 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1729 Full details can be found at http://www.caviumnetworks.com.
1650 1730
1651 config CPU_BMIPS 1731 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1732 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1733 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1734 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1735 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1736 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1737 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1738 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1739 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1740 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1741 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1742 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1743 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1744 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1745 select CPU_HAS_PREFETCH
>> 1746 select CPU_HAS_LOAD_STORE_LR
1666 select CPU_SUPPORTS_CPUFREQ 1747 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1748 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1749 help
1670 Support for BMIPS32/3300/4350/4380 1750 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1751
1672 endchoice !! 1752 config CPU_XLR
1673 !! 1753 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1754 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1755 select CPU_HAS_LOAD_STORE_LR
1676 default n !! 1756 select CPU_SUPPORTS_32BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1757 select CPU_SUPPORTS_64BIT_KERNEL
1678 help !! 1758 select CPU_SUPPORTS_HIGHMEM
1679 New Loongson-3 cores (since Loongso !! 1759 select CPU_SUPPORTS_HUGEPAGES
1680 R1, Loongson-3B R1 and Loongson-3B !! 1760 select WEAK_ORDERING
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc !! 1761 select WEAK_REORDERING_BEYOND_LLSC
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 1762 help
1695 Loongson-3 processors have the llsc !! 1763 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 1764
1698 Say Y, unless you know what you are !! 1765 config CPU_XLP
1699 !! 1766 bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1767 depends on SYS_HAS_CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1768 select CPU_SUPPORTS_32BIT_KERNEL
1702 default y !! 1769 select CPU_SUPPORTS_64BIT_KERNEL
1703 depends on CPU_LOONGSON64 !! 1770 select CPU_SUPPORTS_HIGHMEM
>> 1771 select WEAK_ORDERING
>> 1772 select WEAK_REORDERING_BEYOND_LLSC
>> 1773 select CPU_HAS_PREFETCH
>> 1774 select CPU_HAS_LOAD_STORE_LR
>> 1775 select CPU_MIPSR2
>> 1776 select CPU_SUPPORTS_HUGEPAGES
>> 1777 select MIPS_ASID_BITS_VARIABLE
1704 help 1778 help
1705 Loongson-3A R4 and newer have the C !! 1779 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1780 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1781
1712 config CPU_MIPS32_3_5_FEATURES 1782 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1783 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1784 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1785 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716 CPU_P5600 <<
1717 help 1786 help
1718 Choose this option to build a kerne 1787 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1788 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1789 support for Enhanced Virtual Addressing (EVA).
1721 1790
1722 config CPU_MIPS32_3_5_EVA 1791 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1792 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1793 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1794 select EVA
1726 default y 1795 default y
1727 help 1796 help
1728 Choose this option if you want to e 1797 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1798 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1799 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1800 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1801
1733 config CPU_MIPS32_R5_FEATURES 1802 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1803 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1804 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1805 depends on CPU_MIPS32_R2
1737 help 1806 help
1738 Choose this option to build a kerne 1807 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1808 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1809 support for Extended Physical Addressing (XPA).
1741 1810
1742 config CPU_MIPS32_R5_XPA 1811 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1812 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1813 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1814 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1815 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1816 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1817 select XPA
1749 select HIGHMEM 1818 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1819 select PHYS_ADDR_T_64BIT
1751 default n 1820 default n
1752 help 1821 help
1753 Choose this option if you want to e 1822 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1823 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1824 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1825 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1826 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1827 If unsure, say 'N' here.
1759 1828
1760 if CPU_LOONGSON2F 1829 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1830 config CPU_NOP_WORKAROUNDS
1762 bool 1831 bool
1763 1832
1764 config CPU_JUMP_WORKAROUNDS 1833 config CPU_JUMP_WORKAROUNDS
1765 bool 1834 bool
1766 1835
1767 config CPU_LOONGSON2F_WORKAROUNDS 1836 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1837 bool "Loongson 2F Workarounds"
1769 default y 1838 default y
1770 select CPU_NOP_WORKAROUNDS 1839 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1840 select CPU_JUMP_WORKAROUNDS
1772 help 1841 help
1773 Loongson 2F01 / 2F02 processors hav 1842 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1843 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1844 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1845 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1846
1778 Loongson 2F03 and later have fixed 1847 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1848 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1849 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1850 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1851 systems.
1783 1852
1784 If unsure, please say Y. 1853 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1854 endif # CPU_LOONGSON2F
1786 1855
1787 config SYS_SUPPORTS_ZBOOT 1856 config SYS_SUPPORTS_ZBOOT
1788 bool 1857 bool
1789 select HAVE_KERNEL_GZIP 1858 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1859 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1860 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1861 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1862 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1863 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD <<
1796 1864
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1865 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1866 bool
1799 select SYS_SUPPORTS_ZBOOT 1867 select SYS_SUPPORTS_ZBOOT
1800 1868
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1869 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1870 bool
1803 select SYS_SUPPORTS_ZBOOT 1871 select SYS_SUPPORTS_ZBOOT
1804 1872
1805 config CPU_LOONGSON2EF !! 1873 config CPU_LOONGSON2
1806 bool 1874 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1875 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1876 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1877 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1878 select CPU_SUPPORTS_HUGEPAGES
>> 1879 select ARCH_HAS_PHYS_TO_DMA
>> 1880 select CPU_HAS_LOAD_STORE_LR
1811 1881
1812 config CPU_LOONGSON32 !! 1882 config CPU_LOONGSON1
1813 bool 1883 bool
1814 select CPU_MIPS32 1884 select CPU_MIPS32
1815 select CPU_MIPSR2 1885 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1886 select CPU_HAS_PREFETCH
>> 1887 select CPU_HAS_LOAD_STORE_LR
1817 select CPU_SUPPORTS_32BIT_KERNEL 1888 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1889 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1890 select CPU_SUPPORTS_CPUFREQ
1820 1891
1821 config CPU_BMIPS32_3300 1892 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1893 select SMP_UP if SMP
1823 bool 1894 bool
1824 1895
1825 config CPU_BMIPS4350 1896 config CPU_BMIPS4350
1826 bool 1897 bool
1827 select SYS_SUPPORTS_SMP 1898 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1899 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1900
1830 config CPU_BMIPS4380 1901 config CPU_BMIPS4380
1831 bool 1902 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1903 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1904 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1905 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1906 select CPU_HAS_RIXI
1836 1907
1837 config CPU_BMIPS5000 1908 config CPU_BMIPS5000
1838 bool 1909 bool
1839 select MIPS_CPU_SCACHE 1910 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1911 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1912 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1913 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1914 select CPU_HAS_RIXI
1844 1915
1845 config SYS_HAS_CPU_LOONGSON64 !! 1916 config SYS_HAS_CPU_LOONGSON3
1846 bool 1917 bool
1847 select CPU_SUPPORTS_CPUFREQ 1918 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1919 select CPU_HAS_RIXI
1849 1920
1850 config SYS_HAS_CPU_LOONGSON2E 1921 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1922 bool
1852 1923
1853 config SYS_HAS_CPU_LOONGSON2F 1924 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1925 bool
1855 select CPU_SUPPORTS_CPUFREQ 1926 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1927 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1928 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1857 1929
1858 config SYS_HAS_CPU_LOONGSON1B 1930 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1931 bool
1860 1932
1861 config SYS_HAS_CPU_LOONGSON1C 1933 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1934 bool
1863 1935
1864 config SYS_HAS_CPU_MIPS32_R1 1936 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1937 bool
1866 1938
1867 config SYS_HAS_CPU_MIPS32_R2 1939 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1940 bool
1869 1941
1870 config SYS_HAS_CPU_MIPS32_R3_5 1942 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1943 bool
1872 1944
1873 config SYS_HAS_CPU_MIPS32_R5 1945 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1946 bool
>> 1947 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1948
1876 config SYS_HAS_CPU_MIPS32_R6 1949 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1950 bool
>> 1951 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1952
1879 config SYS_HAS_CPU_MIPS64_R1 1953 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1954 bool
1881 1955
1882 config SYS_HAS_CPU_MIPS64_R2 1956 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1957 bool
1884 1958
1885 config SYS_HAS_CPU_MIPS64_R5 !! 1959 config SYS_HAS_CPU_MIPS64_R6
1886 bool 1960 bool
>> 1961 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1962
1888 config SYS_HAS_CPU_MIPS64_R6 !! 1963 config SYS_HAS_CPU_R3000
1889 bool 1964 bool
1890 1965
1891 config SYS_HAS_CPU_P5600 !! 1966 config SYS_HAS_CPU_TX39XX
1892 bool 1967 bool
1893 1968
1894 config SYS_HAS_CPU_R3000 !! 1969 config SYS_HAS_CPU_VR41XX
1895 bool 1970 bool
1896 1971
1897 config SYS_HAS_CPU_R4300 1972 config SYS_HAS_CPU_R4300
1898 bool 1973 bool
1899 1974
1900 config SYS_HAS_CPU_R4X00 1975 config SYS_HAS_CPU_R4X00
1901 bool 1976 bool
1902 1977
1903 config SYS_HAS_CPU_TX49XX 1978 config SYS_HAS_CPU_TX49XX
1904 bool 1979 bool
1905 1980
1906 config SYS_HAS_CPU_R5000 1981 config SYS_HAS_CPU_R5000
1907 bool 1982 bool
1908 1983
>> 1984 config SYS_HAS_CPU_R5432
>> 1985 bool
>> 1986
1909 config SYS_HAS_CPU_R5500 1987 config SYS_HAS_CPU_R5500
1910 bool 1988 bool
1911 1989
1912 config SYS_HAS_CPU_NEVADA 1990 config SYS_HAS_CPU_NEVADA
1913 bool 1991 bool
1914 1992
>> 1993 config SYS_HAS_CPU_R8000
>> 1994 bool
>> 1995
1915 config SYS_HAS_CPU_R10000 1996 config SYS_HAS_CPU_R10000
1916 bool 1997 bool
>> 1998 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1999
1918 config SYS_HAS_CPU_RM7000 2000 config SYS_HAS_CPU_RM7000
1919 bool 2001 bool
1920 2002
1921 config SYS_HAS_CPU_SB1 2003 config SYS_HAS_CPU_SB1
1922 bool 2004 bool
1923 2005
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2006 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2007 bool
1926 2008
1927 config SYS_HAS_CPU_BMIPS 2009 config SYS_HAS_CPU_BMIPS
1928 bool 2010 bool
1929 2011
1930 config SYS_HAS_CPU_BMIPS32_3300 2012 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2013 bool
1932 select SYS_HAS_CPU_BMIPS 2014 select SYS_HAS_CPU_BMIPS
1933 2015
1934 config SYS_HAS_CPU_BMIPS4350 2016 config SYS_HAS_CPU_BMIPS4350
1935 bool 2017 bool
1936 select SYS_HAS_CPU_BMIPS 2018 select SYS_HAS_CPU_BMIPS
1937 2019
1938 config SYS_HAS_CPU_BMIPS4380 2020 config SYS_HAS_CPU_BMIPS4380
1939 bool 2021 bool
1940 select SYS_HAS_CPU_BMIPS 2022 select SYS_HAS_CPU_BMIPS
1941 2023
1942 config SYS_HAS_CPU_BMIPS5000 2024 config SYS_HAS_CPU_BMIPS5000
1943 bool 2025 bool
1944 select SYS_HAS_CPU_BMIPS 2026 select SYS_HAS_CPU_BMIPS
>> 2027 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2028
>> 2029 config SYS_HAS_CPU_XLR
>> 2030 bool
>> 2031
>> 2032 config SYS_HAS_CPU_XLP
>> 2033 bool
1945 2034
1946 # 2035 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2036 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2037 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2038 #
1950 config WEAK_ORDERING 2039 config WEAK_ORDERING
1951 bool 2040 bool
1952 2041
1953 # 2042 #
1954 # CPU may reorder reads and writes beyond LL/ 2043 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2044 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2045 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2046 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2047 bool
1959 endmenu 2048 endmenu
1960 2049
1961 # 2050 #
1962 # These two indicate any level of the MIPS32 2051 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2052 #
1964 config CPU_MIPS32 2053 config CPU_MIPS32
1965 bool 2054 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 2055 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 2056
1969 config CPU_MIPS64 2057 config CPU_MIPS64
1970 bool 2058 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 2059 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 2060
1974 # 2061 #
1975 # These indicate the revision of the architec 2062 # These indicate the revision of the architecture
1976 # 2063 #
1977 config CPU_MIPSR1 2064 config CPU_MIPSR1
1978 bool 2065 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2066 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2067
1981 config CPU_MIPSR2 2068 config CPU_MIPSR2
1982 bool 2069 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2070 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2071 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 2072 select MIPS_SPRAM
1994 2073
1995 config CPU_MIPSR6 2074 config CPU_MIPSR6
1996 bool 2075 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2076 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2077 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
2000 select HAVE_ARCH_BITREVERSE 2078 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2079 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2080 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2081 select MIPS_SPRAM
2004 2082
2005 config TARGET_ISA_REV 2083 config TARGET_ISA_REV
2006 int 2084 int
2007 default 1 if CPU_MIPSR1 2085 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2086 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 <<
2010 default 6 if CPU_MIPSR6 2087 default 6 if CPU_MIPSR6
2011 default 0 2088 default 0
2012 help 2089 help
2013 Reflects the ISA revision being tar 2090 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2091 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2092
2016 config EVA 2093 config EVA
2017 bool 2094 bool
2018 2095
2019 config XPA 2096 config XPA
2020 bool 2097 bool
2021 2098
2022 config SYS_SUPPORTS_32BIT_KERNEL 2099 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2100 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2101 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2102 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2103 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2104 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2105 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2106 bool
2030 config CPU_SUPPORTS_CPUFREQ 2107 config CPU_SUPPORTS_CPUFREQ
2031 bool 2108 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2109 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2110 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2111 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2112 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2113 config CPU_SUPPORTS_UNCACHED_ACCELERATED
2037 config CPU_SUPPORTS_VZ <<
2038 bool 2114 bool
2039 config MIPS_PGD_C0_CONTEXT 2115 config MIPS_PGD_C0_CONTEXT
2040 bool 2116 bool
2041 depends on 64BIT !! 2117 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2118
2044 # 2119 #
2045 # Set to y for ptrace access to watch registe 2120 # Set to y for ptrace access to watch registers.
2046 # 2121 #
2047 config HARDWARE_WATCHPOINTS 2122 config HARDWARE_WATCHPOINTS
2048 bool 2123 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2124 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2125
2051 menu "Kernel type" 2126 menu "Kernel type"
2052 2127
2053 choice 2128 choice
2054 prompt "Kernel code model" 2129 prompt "Kernel code model"
2055 help 2130 help
2056 You should only select this option 2131 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2132 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2133 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2134 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2135
2061 config 32BIT 2136 config 32BIT
2062 bool "32-bit kernel" 2137 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2138 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2139 select TRAD_SIGNALS
2065 help 2140 help
2066 Select this option if you want to b 2141 Select this option if you want to build a 32-bit kernel.
2067 2142
2068 config 64BIT 2143 config 64BIT
2069 bool "64-bit kernel" 2144 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2145 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2146 help
2072 Select this option if you want to b 2147 Select this option if you want to build a 64-bit kernel.
2073 2148
2074 endchoice 2149 endchoice
2075 2150
>> 2151 config KVM_GUEST
>> 2152 bool "KVM Guest Kernel"
>> 2153 depends on BROKEN_ON_SMP
>> 2154 help
>> 2155 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2156 mode.
>> 2157
>> 2158 config KVM_GUEST_TIMER_FREQ
>> 2159 int "Count/Compare Timer Frequency (MHz)"
>> 2160 depends on KVM_GUEST
>> 2161 default 100
>> 2162 help
>> 2163 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2164 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2165 timer frequency is specified directly.
>> 2166
2076 config MIPS_VA_BITS_48 2167 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2168 bool "48 bits virtual memory"
2078 depends on 64BIT 2169 depends on 64BIT
2079 help 2170 help
2080 Support a maximum at least 48 bits 2171 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2172 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2173 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2174 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2175 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2176 overhead as well as slower TLB fault handling.
2086 2177
2087 If unsure, say N. 2178 If unsure, say N.
2088 2179
2089 config ZBOOT_LOAD_ADDRESS !! 2180 choice
2090 hex "Compressed kernel load address" !! 2181 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2182 default PAGE_SIZE_4KB
2092 default 0x0 !! 2183
2093 depends on SYS_SUPPORTS_ZBOOT !! 2184 config PAGE_SIZE_4KB
2094 help !! 2185 bool "4kB"
2095 The address to load compressed kern !! 2186 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2187 help
>> 2188 This option select the standard 4kB Linux page size. On some
>> 2189 R3000-family processors this is the only available page size. Using
>> 2190 4kB page size will minimize memory consumption and is therefore
>> 2191 recommended for low memory systems.
>> 2192
>> 2193 config PAGE_SIZE_8KB
>> 2194 bool "8kB"
>> 2195 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2196 depends on !MIPS_VA_BITS_48
>> 2197 help
>> 2198 Using 8kB page size will result in higher performance kernel at
>> 2199 the price of higher memory consumption. This option is available
>> 2200 only on R8000 and cnMIPS processors. Note that you will need a
>> 2201 suitable Linux distribution to support this.
>> 2202
>> 2203 config PAGE_SIZE_16KB
>> 2204 bool "16kB"
>> 2205 depends on !CPU_R3000 && !CPU_TX39XX
>> 2206 help
>> 2207 Using 16kB page size will result in higher performance kernel at
>> 2208 the price of higher memory consumption. This option is available on
>> 2209 all non-R3000 family processors. Note that you will need a suitable
>> 2210 Linux distribution to support this.
>> 2211
>> 2212 config PAGE_SIZE_32KB
>> 2213 bool "32kB"
>> 2214 depends on CPU_CAVIUM_OCTEON
>> 2215 depends on !MIPS_VA_BITS_48
>> 2216 help
>> 2217 Using 32kB page size will result in higher performance kernel at
>> 2218 the price of higher memory consumption. This option is available
>> 2219 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2220 distribution to support this.
>> 2221
>> 2222 config PAGE_SIZE_64KB
>> 2223 bool "64kB"
>> 2224 depends on !CPU_R3000 && !CPU_TX39XX
>> 2225 help
>> 2226 Using 64kB page size will result in higher performance kernel at
>> 2227 the price of higher memory consumption. This option is available on
>> 2228 all non-R3000 family processor. Not that at the time of this
>> 2229 writing this option is still high experimental.
2096 2230
2097 This is only used if non-zero. !! 2231 endchoice
2098 2232
2099 config ARCH_FORCE_MAX_ORDER !! 2233 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2234 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2235 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2236 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2237 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2238 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2239 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2240 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2241 range 11 64
>> 2242 default "11"
2105 help 2243 help
2106 The kernel memory allocator divides 2244 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2245 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2246 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2247 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2248 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2249 increase this value.
2112 2250
>> 2251 This config option is actually maximum order plus one. For example,
>> 2252 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2253
2113 The page size is not necessarily 4K 2254 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2255 when choosing a value for this option.
2115 2256
2116 config BOARD_SCACHE 2257 config BOARD_SCACHE
2117 bool 2258 bool
2118 2259
2119 config IP22_CPU_SCACHE 2260 config IP22_CPU_SCACHE
2120 bool 2261 bool
2121 select BOARD_SCACHE 2262 select BOARD_SCACHE
2122 2263
2123 # 2264 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2265 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2266 #
2126 config MIPS_CPU_SCACHE 2267 config MIPS_CPU_SCACHE
2127 bool 2268 bool
2128 select BOARD_SCACHE 2269 select BOARD_SCACHE
2129 2270
2130 config R5000_CPU_SCACHE 2271 config R5000_CPU_SCACHE
2131 bool 2272 bool
2132 select BOARD_SCACHE 2273 select BOARD_SCACHE
2133 2274
2134 config RM7000_CPU_SCACHE 2275 config RM7000_CPU_SCACHE
2135 bool 2276 bool
2136 select BOARD_SCACHE 2277 select BOARD_SCACHE
2137 2278
2138 config SIBYTE_DMA_PAGEOPS 2279 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2280 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2281 depends on CPU_SB1
2141 help 2282 help
2142 Instead of using the CPU to zero an 2283 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2284 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2285 SiByte Linux port. Seems to give a small performance benefit.
2145 2286
2146 config CPU_HAS_PREFETCH 2287 config CPU_HAS_PREFETCH
2147 bool 2288 bool
2148 2289
2149 config CPU_GENERIC_DUMP_TLB 2290 config CPU_GENERIC_DUMP_TLB
2150 bool 2291 bool
2151 default y if !CPU_R3000 !! 2292 default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2152 2293
2153 config MIPS_FP_SUPPORT 2294 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2295 bool "Floating Point support" if EXPERT
2155 default y 2296 default y
2156 help 2297 help
2157 Select y to include support for flo 2298 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2299 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2300 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2301 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2302 receive a SIGILL.
2162 2303
2163 If you know that your userland will 2304 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2305 instructions then you can say n here to shrink the kernel a little.
2165 2306
2166 If unsure, say y. 2307 If unsure, say y.
2167 2308
2168 config CPU_R2300_FPU 2309 config CPU_R2300_FPU
2169 bool 2310 bool
2170 depends on MIPS_FP_SUPPORT 2311 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2312 default y if CPU_R3000 || CPU_TX39XX
2172 <<
2173 config CPU_R3K_TLB <<
2174 bool <<
2175 2313
2176 config CPU_R4K_FPU 2314 config CPU_R4K_FPU
2177 bool 2315 bool
2178 depends on MIPS_FP_SUPPORT 2316 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2317 default y if !CPU_R2300_FPU
2180 2318
2181 config CPU_R4K_CACHE_TLB 2319 config CPU_R4K_CACHE_TLB
2182 bool 2320 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 !! 2321 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2184 2322
2185 config MIPS_MT_SMP 2323 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2324 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2325 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2326 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2327 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2328 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2329 select SYNC_R4K
2193 select MIPS_MT 2330 select MIPS_MT
2194 select SMP 2331 select SMP
2195 select SMP_UP 2332 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2333 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2334 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2335 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2336 help
2200 This is a kernel model which is kno 2337 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2338 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2339 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2340 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2341 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2342
2206 config MIPS_MT 2343 config MIPS_MT
2207 bool 2344 bool
2208 2345
2209 config SCHED_SMT 2346 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2347 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2348 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2349 default n
2213 help 2350 help
2214 SMT scheduler support improves the 2351 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2352 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2353 increased overhead in some places. If unsure say N here.
2217 2354
2218 config SYS_SUPPORTS_SCHED_SMT 2355 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2356 bool
2220 2357
2221 config SYS_SUPPORTS_MULTITHREADING 2358 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2359 bool
2223 2360
2224 config MIPS_MT_FPAFF 2361 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2362 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2363 default y
2227 depends on MIPS_MT_SMP 2364 depends on MIPS_MT_SMP
2228 2365
2229 config MIPSR2_TO_R6_EMULATOR 2366 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2367 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2368 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2369 depends on MIPS_FP_SUPPORT
2233 default y 2370 default y
2234 help 2371 help
2235 Choose this option if you want to r 2372 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2373 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2374 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2375 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2376 final kernel image.
2240 2377
2241 config SYS_SUPPORTS_VPE_LOADER 2378 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2379 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2380 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2381 help
2245 Indicates that the platform support 2382 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2383 physical_memsize.
2247 2384
2248 config MIPS_VPE_LOADER 2385 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2386 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2387 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2388 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2389 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2390 select MIPS_MT
2254 help 2391 help
2255 Includes a loader for loading an el 2392 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2393 onto another VPE and running it.
2257 2394
>> 2395 config MIPS_VPE_LOADER_CMP
>> 2396 bool
>> 2397 default "y"
>> 2398 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2399
2258 config MIPS_VPE_LOADER_MT 2400 config MIPS_VPE_LOADER_MT
2259 bool 2401 bool
2260 default "y" 2402 default "y"
2261 depends on MIPS_VPE_LOADER !! 2403 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2404
2263 config MIPS_VPE_LOADER_TOM 2405 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2406 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2407 depends on MIPS_VPE_LOADER
2266 default y 2408 default y
2267 help 2409 help
2268 The loader can use memory that is p 2410 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2411 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2412 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2413 program requires is less or equal to the amount physically present.
2272 2414
2273 config MIPS_VPE_APSP_API 2415 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2416 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2417 depends on MIPS_VPE_LOADER
2276 2418
>> 2419 config MIPS_VPE_APSP_API_CMP
>> 2420 bool
>> 2421 default "y"
>> 2422 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2423
2277 config MIPS_VPE_APSP_API_MT 2424 config MIPS_VPE_APSP_API_MT
2278 bool 2425 bool
2279 default "y" 2426 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2427 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2428
>> 2429 config MIPS_CMP
>> 2430 bool "MIPS CMP framework support (DEPRECATED)"
>> 2431 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2432 select SMP
>> 2433 select SYNC_R4K
>> 2434 select SYS_SUPPORTS_SMP
>> 2435 select WEAK_ORDERING
>> 2436 default n
>> 2437 help
>> 2438 Select this if you are using a bootloader which implements the "CMP
>> 2439 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2440 its ability to start secondary CPUs.
>> 2441
>> 2442 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2443 instead of this.
2281 2444
2282 config MIPS_CPS 2445 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2446 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2447 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2448 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2449 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2450 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2451 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2452 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2453 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2454 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2455 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2456 help
2296 Select this if you wish to run an S 2457 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2458 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2459 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2460 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2461 support is unavailable.
2301 2462
2302 config MIPS_CPS_PM 2463 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2464 depends on MIPS_CPS
2304 bool 2465 bool
2305 2466
2306 config MIPS_CM 2467 config MIPS_CM
2307 bool 2468 bool
2308 select MIPS_CPC 2469 select MIPS_CPC
2309 2470
2310 config MIPS_CPC 2471 config MIPS_CPC
2311 bool 2472 bool
2312 2473
2313 config SB1_PASS_2_WORKAROUNDS 2474 config SB1_PASS_2_WORKAROUNDS
2314 bool 2475 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2476 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2477 default y
2317 2478
2318 config SB1_PASS_2_1_WORKAROUNDS 2479 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2480 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2481 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2482 default y
2322 2483
2323 choice 2484 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2485 prompt "SmartMIPS or microMIPS ASE support"
2325 2486
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2487 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2488 bool "None"
2328 help 2489 help
2329 Select this if you want neither mic 2490 Select this if you want neither microMIPS nor SmartMIPS support
2330 2491
2331 config CPU_HAS_SMARTMIPS 2492 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2493 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2494 bool "SmartMIPS"
2334 help 2495 help
2335 SmartMIPS is a extension of the MIP 2496 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2497 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2498 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2499 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2500 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2501 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2502 here.
2342 2503
2343 config CPU_MICROMIPS 2504 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2505 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2506 bool "microMIPS"
2346 help 2507 help
2347 When this option is enabled the ker 2508 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2509 microMIPS ISA
2349 2510
2350 endchoice 2511 endchoice
2351 2512
2352 config CPU_HAS_MSA 2513 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2514 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2515 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2516 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2517 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2518 help
2358 MIPS SIMD Architecture (MSA) introd 2519 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2520 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2521 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2522 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2523 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2524 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2525 the size & complexity of your kernel.
2365 2526
2366 If unsure, say Y. 2527 If unsure, say Y.
2367 2528
2368 config CPU_HAS_WB 2529 config CPU_HAS_WB
2369 bool 2530 bool
2370 2531
2371 config XKS01 2532 config XKS01
2372 bool 2533 bool
2373 2534
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 2535 config CPU_HAS_RIXI
2382 bool 2536 bool
2383 2537
2384 config CPU_NO_LOAD_STORE_LR !! 2538 config CPU_HAS_LOAD_STORE_LR
2385 bool 2539 bool
2386 help 2540 help
2387 CPU lacks support for unaligned loa !! 2541 CPU has support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2542 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub !! 2543 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2390 systems). <<
2391 2544
2392 # 2545 #
2393 # Vectored interrupt mode is an R2 feature 2546 # Vectored interrupt mode is an R2 feature
2394 # 2547 #
2395 config CPU_MIPSR2_IRQ_VI 2548 config CPU_MIPSR2_IRQ_VI
2396 bool 2549 bool
2397 2550
2398 # 2551 #
2399 # Extended interrupt mode is an R2 feature 2552 # Extended interrupt mode is an R2 feature
2400 # 2553 #
2401 config CPU_MIPSR2_IRQ_EI 2554 config CPU_MIPSR2_IRQ_EI
2402 bool 2555 bool
2403 2556
2404 config CPU_HAS_SYNC 2557 config CPU_HAS_SYNC
2405 bool 2558 bool
2406 depends on !CPU_R3000 2559 depends on !CPU_R3000
2407 default y 2560 default y
2408 2561
2409 # 2562 #
2410 # CPU non-features 2563 # CPU non-features
2411 # 2564 #
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 2565 config CPU_DADDI_WORKAROUNDS
2427 bool 2566 bool
2428 2567
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 2568 config CPU_R4000_WORKAROUNDS
2448 bool 2569 bool
2449 select CPU_R4400_WORKAROUNDS 2570 select CPU_R4400_WORKAROUNDS
2450 2571
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 2572 config CPU_R4400_WORKAROUNDS
2458 bool 2573 bool
2459 2574
2460 config CPU_R4X00_BUGS64 <<
2461 bool <<
2462 default y if SYS_HAS_CPU_R4X00 && 64B <<
2463 <<
2464 config MIPS_ASID_SHIFT 2575 config MIPS_ASID_SHIFT
2465 int 2576 int
2466 default 6 if CPU_R3000 !! 2577 default 6 if CPU_R3000 || CPU_TX39XX
>> 2578 default 4 if CPU_R8000
2467 default 0 2579 default 0
2468 2580
2469 config MIPS_ASID_BITS 2581 config MIPS_ASID_BITS
2470 int 2582 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2583 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2584 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2585 default 8
2474 2586
2475 config MIPS_ASID_BITS_VARIABLE 2587 config MIPS_ASID_BITS_VARIABLE
2476 bool 2588 bool
2477 2589
2478 config MIPS_CRC_SUPPORT 2590 config MIPS_CRC_SUPPORT
2479 bool 2591 bool
2480 2592
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 # 2593 #
2552 # - Highmem only makes sense for the 32-bit k 2594 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2595 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2596 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2597 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2598 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2599 # 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 2600 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2601 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2602 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2603 # know they might have memory configurations that could make use of highmem
2562 # support. 2604 # support.
2563 # 2605 #
2564 config HIGHMEM 2606 config HIGHMEM
2565 bool "High Memory Support" 2607 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2608 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2609
2569 config CPU_SUPPORTS_HIGHMEM 2610 config CPU_SUPPORTS_HIGHMEM
2570 bool 2611 bool
2571 2612
2572 config SYS_SUPPORTS_HIGHMEM 2613 config SYS_SUPPORTS_HIGHMEM
2573 bool 2614 bool
2574 2615
2575 config SYS_SUPPORTS_SMARTMIPS 2616 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2617 bool
2577 2618
2578 config SYS_SUPPORTS_MICROMIPS 2619 config SYS_SUPPORTS_MICROMIPS
2579 bool 2620 bool
2580 2621
2581 config SYS_SUPPORTS_MIPS16 2622 config SYS_SUPPORTS_MIPS16
2582 bool 2623 bool
2583 help 2624 help
2584 This option must be set if a kernel 2625 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2626 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2627 words, it makes the kernel MIPS16-tolerant.
2587 2628
2588 config CPU_SUPPORTS_MSA 2629 config CPU_SUPPORTS_MSA
2589 bool 2630 bool
2590 2631
2591 config ARCH_FLATMEM_ENABLE 2632 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2633 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF !! 2634 depends on !NUMA && !CPU_LOONGSON2
>> 2635
>> 2636 config ARCH_DISCONTIGMEM_ENABLE
>> 2637 bool
>> 2638 default y if SGI_IP27
>> 2639 help
>> 2640 Say Y to support efficient handling of discontiguous physical memory,
>> 2641 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2642 or have huge holes in the physical address space for other reasons.
>> 2643 See <file:Documentation/vm/numa.rst> for more.
2594 2644
2595 config ARCH_SPARSEMEM_ENABLE 2645 config ARCH_SPARSEMEM_ENABLE
2596 bool 2646 bool
>> 2647 select SPARSEMEM_STATIC
2597 2648
2598 config NUMA 2649 config NUMA
2599 bool "NUMA Support" 2650 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2651 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 2652 help
2605 Say Y to compile the kernel to supp 2653 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2654 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2655 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s !! 2656 leave it disabled; on single node systems disable this option
2609 disabled. 2657 disabled.
2610 2658
2611 config SYS_SUPPORTS_NUMA 2659 config SYS_SUPPORTS_NUMA
2612 bool 2660 bool
2613 2661
2614 config RELOCATABLE 2662 config RELOCATABLE
2615 bool "Relocatable kernel" 2663 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE !! 2664 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
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 2665 help
2623 This builds a kernel image that ret 2666 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2667 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2668 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2669 but are discarded at runtime
2627 2670
2628 config RELOCATION_TABLE_SIZE 2671 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2672 hex "Relocation table size"
2630 depends on RELOCATABLE 2673 depends on RELOCATABLE
2631 range 0x0 0x01000000 2674 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" 2675 default "0x00100000"
2634 help !! 2676 ---help---
2635 A table of relocation data will be 2677 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2678 and parsed at boot to fix up the relocated kernel.
2637 2679
2638 This option allows the amount of sp 2680 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2681 adjusted, although the default of 1Mb should be ok in most cases.
2640 2682
2641 The build will fail and a valid siz 2683 The build will fail and a valid size suggested if this is too small.
2642 2684
2643 If unsure, leave at the default val 2685 If unsure, leave at the default value.
2644 2686
2645 config RANDOMIZE_BASE 2687 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2688 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2689 depends on RELOCATABLE
2648 help !! 2690 ---help---
2649 Randomizes the physical and virtual 2691 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2692 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2693 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2694 of kernel internals.
2653 2695
2654 Entropy is generated using any copr 2696 Entropy is generated using any coprocessor 0 registers available.
2655 2697
2656 The kernel will be offset by up to 2698 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2699
2658 If unsure, say N. 2700 If unsure, say N.
2659 2701
2660 config RANDOMIZE_BASE_MAX_OFFSET 2702 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2703 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2704 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2705 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2706 range 0x0 0x08000000
2665 default "0x01000000" 2707 default "0x01000000"
2666 help !! 2708 ---help---
2667 When kASLR is active, this provides 2709 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2710 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2711 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2712 PHYSICAL_START and must be a power of 2.
2671 2713
2672 This is limited by the size of KSEG 2714 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2715 EVA or 64-bit. The default is 16Mb.
2674 2716
2675 config NODES_SHIFT 2717 config NODES_SHIFT
2676 int 2718 int
2677 default "6" 2719 default "6"
2678 depends on NUMA !! 2720 depends on NEED_MULTIPLE_NODES
2679 2721
2680 config HW_PERF_EVENTS 2722 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2723 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2724 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2683 default y 2725 default y
2684 help 2726 help
2685 Enable hardware performance counter 2727 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2728 disabled, perf events will use software events only.
2687 2729
2688 config DMI <<
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 <<
2699 config SMP 2730 config SMP
2700 bool "Multi-Processing support" 2731 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2732 depends on SYS_SUPPORTS_SMP
2702 help 2733 help
2703 This enables support for systems wi 2734 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2735 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2736 than one CPU, say Y.
2706 2737
2707 If you say N here, the kernel will 2738 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2739 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2740 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2741 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2742 will run faster if you say N here.
2712 2743
2713 People using multiprocessor machine 2744 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2745 Y to "Enhanced Real Time Clock Support", below.
2715 2746
2716 See also the SMP-HOWTO available at 2747 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 2748 <http://www.tldp.org/docs.html#howto>.
2718 2749
2719 If you don't know what to do here, 2750 If you don't know what to do here, say N.
2720 2751
2721 config HOTPLUG_CPU 2752 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2753 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2754 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2755 help
2725 Say Y here to allow turning CPUs of 2756 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2757 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2758 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2759 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2760 Say N if you want to disable CPU hotplug.
2730 2761
2731 config SMP_UP 2762 config SMP_UP
2732 bool 2763 bool
2733 2764
>> 2765 config SYS_SUPPORTS_MIPS_CMP
>> 2766 bool
>> 2767
2734 config SYS_SUPPORTS_MIPS_CPS 2768 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2769 bool
2736 2770
2737 config SYS_SUPPORTS_SMP 2771 config SYS_SUPPORTS_SMP
2738 bool 2772 bool
2739 2773
2740 config NR_CPUS_DEFAULT_4 2774 config NR_CPUS_DEFAULT_4
2741 bool 2775 bool
2742 2776
2743 config NR_CPUS_DEFAULT_8 2777 config NR_CPUS_DEFAULT_8
2744 bool 2778 bool
2745 2779
2746 config NR_CPUS_DEFAULT_16 2780 config NR_CPUS_DEFAULT_16
2747 bool 2781 bool
2748 2782
2749 config NR_CPUS_DEFAULT_32 2783 config NR_CPUS_DEFAULT_32
2750 bool 2784 bool
2751 2785
2752 config NR_CPUS_DEFAULT_64 2786 config NR_CPUS_DEFAULT_64
2753 bool 2787 bool
2754 2788
2755 config NR_CPUS 2789 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2790 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2791 range 2 256
2758 depends on SMP 2792 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2793 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2794 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2795 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2796 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2797 default "64" if NR_CPUS_DEFAULT_64
2764 help 2798 help
2765 This allows you to specify the maxi 2799 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2800 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2801 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2802 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2803 and 2 for all others.
2770 2804
2771 This is purely to save memory - eac 2805 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2806 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2807 performance should round up your number of processors to the next
2774 power of two. 2808 power of two.
2775 2809
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2810 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2811 bool
2778 2812
2779 config MIPS_NR_CPU_NR_MAP_1024 2813 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2814 bool
2781 2815
2782 config MIPS_NR_CPU_NR_MAP 2816 config MIPS_NR_CPU_NR_MAP
2783 int 2817 int
2784 depends on SMP 2818 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2819 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2820 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2821
2788 # 2822 #
2789 # Timer Interrupt Frequency Configuration 2823 # Timer Interrupt Frequency Configuration
2790 # 2824 #
2791 2825
2792 choice 2826 choice
2793 prompt "Timer frequency" 2827 prompt "Timer frequency"
2794 default HZ_250 2828 default HZ_250
2795 help 2829 help
2796 Allows the configuration of the tim 2830 Allows the configuration of the timer frequency.
2797 2831
2798 config HZ_24 2832 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2833 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2834
2801 config HZ_48 2835 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2836 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2837
2804 config HZ_100 2838 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2839 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2840
2807 config HZ_128 2841 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2842 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2843
2810 config HZ_250 2844 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2845 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2846
2813 config HZ_256 2847 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2848 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2849
2816 config HZ_1000 2850 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2851 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2852
2819 config HZ_1024 2853 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2854 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2855
2822 endchoice 2856 endchoice
2823 2857
2824 config SYS_SUPPORTS_24HZ 2858 config SYS_SUPPORTS_24HZ
2825 bool 2859 bool
2826 2860
2827 config SYS_SUPPORTS_48HZ 2861 config SYS_SUPPORTS_48HZ
2828 bool 2862 bool
2829 2863
2830 config SYS_SUPPORTS_100HZ 2864 config SYS_SUPPORTS_100HZ
2831 bool 2865 bool
2832 2866
2833 config SYS_SUPPORTS_128HZ 2867 config SYS_SUPPORTS_128HZ
2834 bool 2868 bool
2835 2869
2836 config SYS_SUPPORTS_250HZ 2870 config SYS_SUPPORTS_250HZ
2837 bool 2871 bool
2838 2872
2839 config SYS_SUPPORTS_256HZ 2873 config SYS_SUPPORTS_256HZ
2840 bool 2874 bool
2841 2875
2842 config SYS_SUPPORTS_1000HZ 2876 config SYS_SUPPORTS_1000HZ
2843 bool 2877 bool
2844 2878
2845 config SYS_SUPPORTS_1024HZ 2879 config SYS_SUPPORTS_1024HZ
2846 bool 2880 bool
2847 2881
2848 config SYS_SUPPORTS_ARBIT_HZ 2882 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2883 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2884 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2885 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2886 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2887 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2888 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2889 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2890 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2891 !SYS_SUPPORTS_1024HZ
2858 2892
2859 config HZ 2893 config HZ
2860 int 2894 int
2861 default 24 if HZ_24 2895 default 24 if HZ_24
2862 default 48 if HZ_48 2896 default 48 if HZ_48
2863 default 100 if HZ_100 2897 default 100 if HZ_100
2864 default 128 if HZ_128 2898 default 128 if HZ_128
2865 default 250 if HZ_250 2899 default 250 if HZ_250
2866 default 256 if HZ_256 2900 default 256 if HZ_256
2867 default 1000 if HZ_1000 2901 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2902 default 1024 if HZ_1024
2869 2903
2870 config SCHED_HRTICK 2904 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2905 def_bool HIGH_RES_TIMERS
2872 2906
2873 config ARCH_SUPPORTS_KEXEC !! 2907 config KEXEC
2874 def_bool y !! 2908 bool "Kexec system call"
2875 !! 2909 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2910 help
2877 def_bool y !! 2911 kexec is a system call that implements the ability to shutdown your
>> 2912 current kernel, and to start another kernel. It is like a reboot
>> 2913 but it is independent of the system firmware. And like a reboot
>> 2914 you can start any kernel with it, not just Linux.
>> 2915
>> 2916 The name comes from the similarity to the exec system call.
>> 2917
>> 2918 It is an ongoing process to be certain the hardware in a machine
>> 2919 is properly shutdown, so do not be surprised if this code does not
>> 2920 initially work for you. As of this writing the exact hardware
>> 2921 interface is strongly in flux, so no good recommendation can be
>> 2922 made.
>> 2923
>> 2924 config CRASH_DUMP
>> 2925 bool "Kernel crash dumps"
>> 2926 help
>> 2927 Generate crash dump after being started by kexec.
>> 2928 This should be normally only set in special crash dump kernels
>> 2929 which are loaded in the main kernel with kexec-tools into
>> 2930 a specially reserved region and then later executed after
>> 2931 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2932 to a memory address not used by the main kernel or firmware using
>> 2933 PHYSICAL_START.
2878 2934
2879 config PHYSICAL_START 2935 config PHYSICAL_START
2880 hex "Physical address where the kerne 2936 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2937 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2938 depends on CRASH_DUMP
2883 help 2939 help
2884 This gives the CKSEG0 or KSEG0 addr 2940 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2941 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2942 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2943 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2944 passed to the panic-ed kernel).
2889 2945
>> 2946 config SECCOMP
>> 2947 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2948 depends on PROC_FS
>> 2949 default y
>> 2950 help
>> 2951 This kernel feature is useful for number crunching applications
>> 2952 that may need to compute untrusted bytecode during their
>> 2953 execution. By using pipes or other transports made available to
>> 2954 the process as file descriptors supporting the read/write
>> 2955 syscalls, it's possible to isolate those applications in
>> 2956 their own address space using seccomp. Once seccomp is
>> 2957 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2958 and the task is only allowed to execute a few safe syscalls
>> 2959 defined by each seccomp mode.
>> 2960
>> 2961 If unsure, say Y. Only embedded should say N here.
>> 2962
2890 config MIPS_O32_FP64_SUPPORT 2963 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2964 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2965 depends on 32BIT || MIPS32_O32
2893 help 2966 help
2894 When this is enabled, the kernel wi 2967 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2968 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2969 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2970 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2971 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2972 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2973 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2974 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2975 saying N here.
2903 2976
2904 Although binutils currently support 2977 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2978 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 2979 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 2980 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2981 be considered experimental and only enabled by those working upon
2909 said details. 2982 said details.
2910 2983
2911 If unsure, say N. 2984 If unsure, say N.
2912 2985
2913 config USE_OF 2986 config USE_OF
2914 bool 2987 bool
2915 select OF 2988 select OF
2916 select OF_EARLY_FLATTREE 2989 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2990 select IRQ_DOMAIN
2918 2991
2919 config UHI_BOOT 2992 config UHI_BOOT
2920 bool 2993 bool
2921 2994
2922 config BUILTIN_DTB 2995 config BUILTIN_DTB
2923 bool 2996 bool
2924 2997
2925 choice 2998 choice
2926 prompt "Kernel appended dtb support" !! 2999 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3000 default MIPS_NO_APPENDED_DTB
2929 3001
2930 config MIPS_NO_APPENDED_DTB 3002 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3003 bool "None"
2932 help 3004 help
2933 Do not enable appended dtb 3005 Do not enable appended dtb support.
2934 3006
2935 config MIPS_ELF_APPENDED_DTB 3007 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3008 bool "vmlinux"
2937 help 3009 help
2938 With this option, the boot 3010 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3011 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3012 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3013 objcopy:
2942 3014
2943 objcopy --update-section 3015 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3016
2945 This is meant as a backward !! 3017 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 3018 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3019 the documented boot protocol using a device tree.
2948 3020
2949 config MIPS_RAW_APPENDED_DTB 3021 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3022 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3023 help
2952 With this option, the boot 3024 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3025 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3026 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3027
2956 This is meant as a backward 3028 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3029 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3030 the documented boot protocol using a device tree.
2959 3031
2960 Beware that there is very l 3032 Beware that there is very little in terms of protection against
2961 this option being confused 3033 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3034 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3035 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3036 if you don't intend to always append a DTB.
2965 endchoice 3037 endchoice
2966 3038
2967 choice 3039 choice
2968 prompt "Kernel command line type" !! 3040 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3041 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC !! 3042 !MIPS_MALTA && \
2972 !CAV 3043 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3044 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3045
2975 config MIPS_CMDLINE_FROM_DTB 3046 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3047 depends on USE_OF
2977 bool "Dtb kernel arguments if 3048 bool "Dtb kernel arguments if available"
2978 3049
2979 config MIPS_CMDLINE_DTB_EXTEND 3050 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3051 depends on USE_OF
2981 bool "Extend dtb kernel argum 3052 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3053
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3054 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3055 bool "Bootloader kernel arguments if available"
2985 3056
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3057 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3058 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3059 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3060 endchoice
2990 3061
2991 endmenu 3062 endmenu
2992 3063
2993 config LOCKDEP_SUPPORT 3064 config LOCKDEP_SUPPORT
2994 bool 3065 bool
2995 default y 3066 default y
2996 3067
2997 config STACKTRACE_SUPPORT 3068 config STACKTRACE_SUPPORT
2998 bool 3069 bool
2999 default y 3070 default y
3000 3071
>> 3072 config HAVE_LATENCYTOP_SUPPORT
>> 3073 bool
>> 3074 default y
>> 3075
3001 config PGTABLE_LEVELS 3076 config PGTABLE_LEVELS
3002 int 3077 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3078 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3079 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3080 default 2
3006 3081
3007 config MIPS_AUTO_PFN_OFFSET 3082 config MIPS_AUTO_PFN_OFFSET
3008 bool 3083 bool
3009 3084
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3085 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3086
3012 config PCI_DRIVERS_GENERIC 3087 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3088 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3089 bool
3015 3090
3016 config PCI_DRIVERS_LEGACY 3091 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3092 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3093 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3094 select PCI_DOMAINS if PCI
3020 3095
3021 # 3096 #
3022 # ISA support is now enabled via select. Too 3097 # 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 3098 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3099 # users to choose the right thing ...
3025 # 3100 #
3026 config ISA 3101 config ISA
3027 bool 3102 bool
3028 3103
3029 config TC 3104 config TC
3030 bool "TURBOchannel support" 3105 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3106 depends on MACH_DECSTATION
3032 help 3107 help
3033 TURBOchannel is a DEC (now Compaq ( 3108 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3109 processors. TURBOchannel programming specifications are available
3035 at: 3110 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3111 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3112 and:
3038 <http://www.computer-refuge.org/cla 3113 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3114 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3115 <http://www.linux-mips.org/wiki/DECstation>
3041 3116
3042 config MMU 3117 config MMU
3043 bool 3118 bool
3044 default y 3119 default y
3045 3120
3046 config ARCH_MMAP_RND_BITS_MIN 3121 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3122 default 12 if 64BIT
3048 default 8 3123 default 8
3049 3124
3050 config ARCH_MMAP_RND_BITS_MAX 3125 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3126 default 18 if 64BIT
3052 default 15 3127 default 15
3053 3128
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3129 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3130 default 8
3056 3131
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3132 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3133 default 15
3059 3134
3060 config I8253 3135 config I8253
3061 bool 3136 bool
3062 select CLKSRC_I8253 3137 select CLKSRC_I8253
3063 select CLKEVT_I8253 3138 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3139 select MIPS_EXTERNAL_TIMER
>> 3140
>> 3141 config ZONE_DMA
>> 3142 bool
>> 3143
>> 3144 config ZONE_DMA32
>> 3145 bool
>> 3146
3065 endmenu 3147 endmenu
3066 3148
3067 config TRAD_SIGNALS 3149 config TRAD_SIGNALS
3068 bool 3150 bool
3069 3151
3070 config MIPS32_COMPAT 3152 config MIPS32_COMPAT
3071 bool 3153 bool
3072 3154
3073 config COMPAT 3155 config COMPAT
3074 bool 3156 bool
3075 3157
>> 3158 config SYSVIPC_COMPAT
>> 3159 bool
>> 3160
3076 config MIPS32_O32 3161 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3162 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3163 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3164 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3165 select COMPAT
3081 select MIPS32_COMPAT 3166 select MIPS32_COMPAT
>> 3167 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3168 help
3083 Select this option if you want to r 3169 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3170 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3171 existing binaries are in this format.
3086 3172
3087 If unsure, say Y. 3173 If unsure, say Y.
3088 3174
3089 config MIPS32_N32 3175 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3176 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3177 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3178 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3179 select COMPAT
3094 select MIPS32_COMPAT 3180 select MIPS32_COMPAT
>> 3181 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3182 help
3096 Select this option if you want to r 3183 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3184 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3185 data that would normally be 64-bit. They are used in special
3099 cases. 3186 cases.
3100 3187
3101 If unsure, say N. 3188 If unsure, say N.
3102 3189
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3190 config BINFMT_ELF32
3104 def_bool y !! 3191 bool
3105 depends on $(cc-option,-mno-branch-li !! 3192 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3193 select ELFCORE
3107 # https://github.com/llvm/llvm-project/issues <<
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 3194
3111 menu "Power management options" 3195 menu "Power management options"
3112 3196
3113 config ARCH_HIBERNATION_POSSIBLE 3197 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3198 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3199 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3200
3117 config ARCH_SUSPEND_POSSIBLE 3201 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3202 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3203 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3204
3121 source "kernel/power/Kconfig" 3205 source "kernel/power/Kconfig"
3122 3206
3123 endmenu 3207 endmenu
3124 3208
3125 config MIPS_EXTERNAL_TIMER 3209 config MIPS_EXTERNAL_TIMER
3126 bool 3210 bool
3127 3211
3128 menu "CPU Power Management" 3212 menu "CPU Power Management"
3129 3213
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3214 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3215 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3216 endif
3133 3217
3134 source "drivers/cpuidle/Kconfig" 3218 source "drivers/cpuidle/Kconfig"
3135 3219
3136 endmenu 3220 endmenu
3137 3221
3138 source "arch/mips/kvm/Kconfig" !! 3222 source "drivers/firmware/Kconfig"
3139 3223
3140 source "arch/mips/vdso/Kconfig" !! 3224 source "arch/mips/kvm/Kconfig"
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