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 <<
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER 7 select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 8 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 9 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 10 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 11 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 12 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER 13 select ARCH_HAS_STRNCPY_FROM_USER
17 select ARCH_HAS_STRNLEN_USER 14 select ARCH_HAS_STRNLEN_USER
18 select ARCH_HAS_TICK_BROADCAST if GENE 15 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 16 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 17 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK 18 select ARCH_KEEP_MEMBLOCK
>> 19 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 20 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 21 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST 22 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS 23 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 24 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 25 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 26 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 28 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 29 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 30 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 31 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 32 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 33 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 34 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 35 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 36 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 37 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 38 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 39 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 40 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 41 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 42 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 43 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 44 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 45 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 46 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 47 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 48 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 49 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || <<
54 select HAVE_ARCH_COMPILER_H 50 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 51 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 52 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 53 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 54 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 55 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 56 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 57 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 58 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 59 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 60 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 61 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 62 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 63 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 64 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 66 select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
>> 67 !CPU_DADDI_WORKAROUNDS && \
>> 68 !CPU_R4000_WORKAROUNDS && \
>> 69 !CPU_R4400_WORKAROUNDS
71 select HAVE_EXIT_THREAD 70 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 71 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 72 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 74 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 75 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 76 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 77 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 78 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 79 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 80 select HAVE_KPROBES
82 select HAVE_KRETPROBES 81 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 82 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 83 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 84 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON <<
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 85 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 86 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 87 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 88 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 89 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 90 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 91 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 92 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 93 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 94 select IRQ_FORCED_THREADING
99 select ISA if EISA 95 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 96 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 97 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 98 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 99 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 100 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 101 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 102 select TRACE_IRQFLAGS_SUPPORT
>> 103 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 104 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT 105 select HAVE_ARCH_KCSAN if 64BIT
110 106
111 config MIPS_FIXUP_BIGPHYS_ADDR 107 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 108 bool
113 109
114 config MIPS_GENERIC 110 config MIPS_GENERIC
115 bool 111 bool
116 112
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 113 config MACH_INGENIC
121 bool 114 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 115 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 116 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 117 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 118 select DMA_NONCOHERENT
>> 119 select ARCH_HAS_SYNC_DMA_FOR_CPU
126 select IRQ_MIPS_CPU 120 select IRQ_MIPS_CPU
127 select PINCTRL 121 select PINCTRL
128 select GPIOLIB 122 select GPIOLIB
129 select COMMON_CLK 123 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 124 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 125 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 126 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 127 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 128 select MIPS_EXTERNAL_TIMER
135 129
136 menu "Machine selection" 130 menu "Machine selection"
137 131
138 choice 132 choice
139 prompt "System type" 133 prompt "System type"
140 default MIPS_GENERIC_KERNEL 134 default MIPS_GENERIC_KERNEL
141 135
142 config MIPS_GENERIC_KERNEL 136 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 137 bool "Generic board-agnostic MIPS kernel"
>> 138 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 139 select MIPS_GENERIC
145 select BOOT_RAW 140 select BOOT_RAW
146 select BUILTIN_DTB 141 select BUILTIN_DTB
147 select CEVT_R4K 142 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 143 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 144 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 145 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 146 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 147 select CSRC_R4K
153 select DMA_NONCOHERENT 148 select DMA_NONCOHERENT
154 select HAVE_PCI 149 select HAVE_PCI
155 select IRQ_MIPS_CPU 150 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 151 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 152 select MIPS_CPU_SCACHE
159 select MIPS_GIC 153 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 154 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 155 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 156 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 157 select SMP_UP if SMP
164 select SWAP_IO_SPACE 158 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 159 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 160 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 161 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 162 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 163 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 164 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 165 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 166 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 167 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 168 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 169 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 170 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 171 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 172 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 173 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 174 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 175 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 176 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 177 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 178 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 179 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 180 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 181 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 182 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 183 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 184 select USE_OF
193 help 185 help
194 Select this to build a kernel which 186 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 187 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 188 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 189 Interface) specification.
198 190
199 config MIPS_ALCHEMY 191 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 192 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 193 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 194 select CEVT_R4K
203 select CSRC_R4K 195 select CSRC_R4K
204 select IRQ_MIPS_CPU 196 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 197 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 198 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 199 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 200 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 201 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 202 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 203 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 204 select COMMON_CLK
213 205
>> 206 config AR7
>> 207 bool "Texas Instruments AR7"
>> 208 select BOOT_ELF32
>> 209 select COMMON_CLK
>> 210 select DMA_NONCOHERENT
>> 211 select CEVT_R4K
>> 212 select CSRC_R4K
>> 213 select IRQ_MIPS_CPU
>> 214 select NO_EXCEPT_FILL
>> 215 select SWAP_IO_SPACE
>> 216 select SYS_HAS_CPU_MIPS32_R1
>> 217 select SYS_HAS_EARLY_PRINTK
>> 218 select SYS_SUPPORTS_32BIT_KERNEL
>> 219 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 220 select SYS_SUPPORTS_MIPS16
>> 221 select SYS_SUPPORTS_ZBOOT_UART16550
>> 222 select GPIOLIB
>> 223 select VLYNQ
>> 224 help
>> 225 Support for the Texas Instruments AR7 System-on-a-Chip
>> 226 family: TNETD7100, 7200 and 7300.
>> 227
214 config ATH25 228 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 229 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 230 select CEVT_R4K
217 select CSRC_R4K 231 select CSRC_R4K
218 select DMA_NONCOHERENT 232 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 233 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 234 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 235 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 236 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 237 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 238 select SYS_HAS_EARLY_PRINTK
225 help 239 help
226 Support for Atheros AR231x and Ather 240 Support for Atheros AR231x and Atheros AR531x based boards
227 241
228 config ATH79 242 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 243 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 244 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 245 select BOOT_RAW
232 select CEVT_R4K 246 select CEVT_R4K
233 select CSRC_R4K 247 select CSRC_R4K
234 select DMA_NONCOHERENT 248 select DMA_NONCOHERENT
235 select GPIOLIB 249 select GPIOLIB
236 select PINCTRL 250 select PINCTRL
237 select COMMON_CLK 251 select COMMON_CLK
238 select IRQ_MIPS_CPU 252 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 253 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 254 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 255 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 256 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 257 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 258 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 259 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 260 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 261 help
248 Support for the Atheros AR71XX/AR724 262 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 263
250 config BMIPS_GENERIC 264 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 265 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 266 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 267 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW 268 select BOOT_RAW
255 select NO_EXCEPT_FILL 269 select NO_EXCEPT_FILL
256 select USE_OF 270 select USE_OF
257 select CEVT_R4K 271 select CEVT_R4K
258 select CSRC_R4K 272 select CSRC_R4K
259 select SYNC_R4K 273 select SYNC_R4K
260 select COMMON_CLK 274 select COMMON_CLK
261 select BCM6345_L1_IRQ 275 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 276 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 277 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 278 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 279 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 280 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 281 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 282 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 283 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 284 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 285 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 286 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 287 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 288 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 289 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 290 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 291 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 292 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 293 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 294 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 295 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 296 select PCI_DRIVERS_GENERIC
283 select FW_CFE <<
284 help 297 help
285 Build a generic DT-based kernel imag 298 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 300 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 301 must be set appropriately for your board.
289 302
290 config BCM47XX 303 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 304 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 305 select BOOT_RAW
293 select CEVT_R4K 306 select CEVT_R4K
294 select CSRC_R4K 307 select CSRC_R4K
295 select DMA_NONCOHERENT 308 select DMA_NONCOHERENT
296 select HAVE_PCI 309 select HAVE_PCI
297 select IRQ_MIPS_CPU 310 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 311 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 312 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 313 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 314 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 315 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 316 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 317 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 318 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 319 select GPIOLIB
307 select LEDS_GPIO_REGISTER 320 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 321 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 322 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 323 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 324 help
312 Support for BCM47XX based boards 325 Support for BCM47XX based boards
313 326
314 config BCM63XX 327 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 328 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 329 select BOOT_RAW
317 select CEVT_R4K 330 select CEVT_R4K
318 select CSRC_R4K 331 select CSRC_R4K
319 select SYNC_R4K 332 select SYNC_R4K
320 select DMA_NONCOHERENT 333 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 334 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 335 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 336 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 337 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 338 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 339 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 340 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 341 select SWAP_IO_SPACE
329 select GPIOLIB 342 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 343 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 344 select HAVE_LEGACY_CLK
332 help 345 help
333 Support for BCM63XX based boards 346 Support for BCM63XX based boards
334 347
335 config MIPS_COBALT 348 config MIPS_COBALT
336 bool "Cobalt Server" 349 bool "Cobalt Server"
337 select CEVT_R4K 350 select CEVT_R4K
338 select CSRC_R4K 351 select CSRC_R4K
339 select CEVT_GT641XX 352 select CEVT_GT641XX
340 select DMA_NONCOHERENT 353 select DMA_NONCOHERENT
341 select FORCE_PCI 354 select FORCE_PCI
342 select I8253 355 select I8253
343 select I8259 356 select I8259
344 select IRQ_MIPS_CPU 357 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 358 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 359 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 360 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 361 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 362 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 363 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 364 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 365 select USE_GENERIC_EARLY_PRINTK_8250
353 366
354 config MACH_DECSTATION 367 config MACH_DECSTATION
355 bool "DECstations" 368 bool "DECstations"
356 select BOOT_ELF32 369 select BOOT_ELF32
357 select CEVT_DS1287 370 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 371 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 372 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 373 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 374 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 375 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 376 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 377 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 378 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 379 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 380 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 381 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 382 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 384 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 385 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 386 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 387 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 388 select MIPS_L1_CACHE_SHIFT_4
376 help 389 help
377 This enables support for DEC's MIPS 390 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 392 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 393
381 If you have one of the following DEC 394 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 395 want to choose R4xx0 for the CPU Type:
383 396
384 DECstation 5000/50 397 DECstation 5000/50
385 DECstation 5000/150 398 DECstation 5000/150
386 DECstation 5000/260 399 DECstation 5000/260
387 DECsystem 5900/260 400 DECsystem 5900/260
388 401
389 otherwise choose R3000. 402 otherwise choose R3000.
390 403
391 config MACH_JAZZ 404 config MACH_JAZZ
392 bool "Jazz family of machines" 405 bool "Jazz family of machines"
393 select ARC_MEMORY 406 select ARC_MEMORY
394 select ARC_PROMLIB 407 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 408 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 409 select ARCH_MIGHT_HAVE_PC_SERIO
>> 410 select DMA_OPS
397 select FW_ARC 411 select FW_ARC
398 select FW_ARC32 412 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 413 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 414 select CEVT_R4K
401 select CSRC_R4K 415 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 416 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 417 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 418 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 419 select IRQ_MIPS_CPU
406 select I8253 420 select I8253
407 select I8259 421 select I8259
408 select ISA 422 select ISA
409 select SYS_HAS_CPU_R4X00 423 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 424 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 425 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 426 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 427 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 428 help
415 This a family of machines based on t 429 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 430 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 431 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 432 Olivetti M700-10 workstations.
419 433
420 config MACH_INGENIC_SOC 434 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 435 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 436 select MIPS_GENERIC
423 select MACH_INGENIC 437 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 438 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 439 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 440 select MIPS_EXTERNAL_TIMER
428 441
429 config LANTIQ 442 config LANTIQ
430 bool "Lantiq based platforms" 443 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 444 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 445 select IRQ_MIPS_CPU
433 select CEVT_R4K 446 select CEVT_R4K
434 select CSRC_R4K 447 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 448 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 449 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 450 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 451 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 452 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 453 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 454 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 455 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 456 select GPIOLIB
445 select SWAP_IO_SPACE 457 select SWAP_IO_SPACE
446 select BOOT_RAW 458 select BOOT_RAW
447 select HAVE_LEGACY_CLK 459 select HAVE_LEGACY_CLK
448 select USE_OF 460 select USE_OF
449 select PINCTRL 461 select PINCTRL
450 select PINCTRL_LANTIQ 462 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 463 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 464 select RESET_CONTROLLER
453 465
454 config MACH_LOONGSON32 466 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 467 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 468 select SYS_SUPPORTS_ZBOOT
457 help 469 help
458 This enables support for the Loongso 470 This enables support for the Loongson-1 family of machines.
459 471
460 Loongson-1 is a family of 32-bit MIP 472 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 473 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 474 Sciences (CAS).
463 475
464 config MACH_LOONGSON2EF 476 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 477 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 478 select SYS_SUPPORTS_ZBOOT
467 help 479 help
468 This enables the support of early Lo 480 This enables the support of early Loongson-2E/F family of machines.
469 481
470 config MACH_LOONGSON64 482 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 483 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 484 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 485 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 486 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 487 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 488 select BOOT_ELF32
478 select BOARD_SCACHE 489 select BOARD_SCACHE
479 select CSRC_R4K 490 select CSRC_R4K
480 select CEVT_R4K 491 select CEVT_R4K
481 select SYNC_R4K !! 492 select CPU_HAS_WB
482 select FORCE_PCI 493 select FORCE_PCI
483 select ISA 494 select ISA
484 select I8259 495 select I8259
485 select IRQ_MIPS_CPU 496 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 497 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 498 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 499 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 500 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 501 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 502 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 503 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 504 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 505 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 506 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 507 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 508 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 509 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 510 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 511 select ZONE_DMA32
501 select COMMON_CLK 512 select COMMON_CLK
502 select USE_OF 513 select USE_OF
503 select BUILTIN_DTB 514 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 515 select PCI_HOST_GENERIC
>> 516 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505 help 517 help
506 This enables the support of Loongson 518 This enables the support of Loongson-2/3 family of machines.
507 519
508 Loongson-2 and Loongson-3 are 64-bit 520 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 521 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 522 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 523 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 524
513 config MIPS_MALTA 525 config MIPS_MALTA
514 bool "MIPS Malta board" 526 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 527 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 528 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 529 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 530 select BOOT_ELF32
519 select BOOT_RAW 531 select BOOT_RAW
520 select BUILTIN_DTB 532 select BUILTIN_DTB
521 select CEVT_R4K 533 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 534 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 535 select COMMON_CLK
524 select CSRC_R4K 536 select CSRC_R4K
525 select DMA_NONCOHERENT 537 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 538 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 539 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 540 select HAVE_PCI
529 select I8253 541 select I8253
530 select I8259 542 select I8259
531 select IRQ_MIPS_CPU 543 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 544 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 545 select MIPS_CPU_SCACHE
534 select MIPS_GIC 546 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 547 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 548 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 549 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 550 select SMP_UP if SMP
539 select SWAP_IO_SPACE 551 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 552 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 553 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 554 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 555 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 556 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 557 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 558 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 559 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 560 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 561 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 562 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 563 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 564 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 565 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 566 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 567 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 568 select SYS_SUPPORTS_MIPS16
>> 569 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 570 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 571 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 572 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 573 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 574 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 575 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 576 select USE_OF
564 select WAR_ICACHE_REFILLS 577 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 578 select ZONE_DMA32 if 64BIT
566 help 579 help
567 This enables support for the MIPS Te 580 This enables support for the MIPS Technologies Malta evaluation
568 board. 581 board.
569 582
570 config MACH_PIC32 583 config MACH_PIC32
571 bool "Microchip PIC32 Family" 584 bool "Microchip PIC32 Family"
572 help 585 help
573 This enables support for the Microch 586 This enables support for the Microchip PIC32 family of platforms.
574 587
575 Microchip PIC32 is a family of gener 588 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 589 microcontrollers.
577 590
578 config EYEQ !! 591 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 592 bool "NEC VR4100 series based machines"
580 select MACH_GENERIC_CORE <<
581 select ARM_AMBA <<
582 select PHYSICAL_START_BOOL <<
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT <<
584 select BOOT_RAW <<
585 select BUILTIN_DTB <<
586 select CEVT_R4K 593 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 594 select CSRC_R4K
592 select DMA_NONCOHERENT !! 595 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 596 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 597 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC <<
598 select MIPS_L1_CACHE_SHIFT_7 <<
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 <<
618 Select this to build a kernel suppor <<
619 <<
620 bool <<
621 598
622 config MACH_NINTENDO64 599 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 600 bool "Nintendo 64 console"
624 select CEVT_R4K 601 select CEVT_R4K
625 select CSRC_R4K 602 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 603 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 604 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 605 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 606 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 607 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 608 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 609 select IRQ_MIPS_CPU
633 610
634 config RALINK 611 config RALINK
635 bool "Ralink based machines" 612 bool "Ralink based machines"
636 select CEVT_R4K 613 select CEVT_R4K
637 select COMMON_CLK 614 select COMMON_CLK
638 select CSRC_R4K 615 select CSRC_R4K
639 select BOOT_RAW 616 select BOOT_RAW
640 select DMA_NONCOHERENT 617 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 618 select IRQ_MIPS_CPU
642 select USE_OF 619 select USE_OF
>> 620 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 621 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 622 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 623 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 624 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 625 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 626 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 627 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 628 select RESET_CONTROLLER
651 629
652 config MACH_REALTEK_RTL 630 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 631 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 632 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 633 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 634 select IRQ_MIPS_CPU
658 select CSRC_R4K 635 select CSRC_R4K
659 select CEVT_R4K 636 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 637 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 638 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 639 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 640 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 641 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 642 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 643 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 644 select BOOT_RAW
668 select PINCTRL 645 select PINCTRL
669 select USE_OF 646 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 647
672 config SGI_IP22 648 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 649 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 650 select ARC_MEMORY
675 select ARC_PROMLIB 651 select ARC_PROMLIB
676 select FW_ARC 652 select FW_ARC
677 select FW_ARC32 653 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 654 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 655 select BOOT_ELF32
680 select CEVT_R4K 656 select CEVT_R4K
681 select CSRC_R4K 657 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 658 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 659 select DMA_NONCOHERENT
684 select HAVE_EISA 660 select HAVE_EISA
685 select I8253 661 select I8253
686 select I8259 662 select I8259
687 select IP22_CPU_SCACHE 663 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 664 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 665 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 666 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 667 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 668 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 669 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 670 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 671 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 672 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 673 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 674 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 675 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 676 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 677 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 678 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 679 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 680 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 681 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 682 select MIPS_L1_CACHE_SHIFT_7
707 help 683 help
708 This are the SGI Indy, Challenge S a 684 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 685 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 686 that runs on these, say Y here.
711 687
712 config SGI_IP27 688 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 689 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 690 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 691 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 692 select FW_ARC
717 select FW_ARC64 693 select FW_ARC64
718 select ARC_CMDLINE_ONLY 694 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 695 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 696 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 697 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 698 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 699 select HAVE_PCI
724 select IRQ_MIPS_CPU 700 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 701 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 702 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 703 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 704 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 705 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 706 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 707 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 708 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 709 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 710 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 711 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 712 select NUMA
>> 713 select HAVE_ARCH_NODEDATA_EXTENSION
737 help 714 help
738 This are the SGI Origin 200, Origin 715 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 716 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 717 here.
741 718
742 config SGI_IP28 719 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 720 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 721 select ARC_MEMORY
745 select ARC_PROMLIB 722 select ARC_PROMLIB
746 select FW_ARC 723 select FW_ARC
747 select FW_ARC64 724 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 725 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 726 select BOOT_ELF64
750 select CEVT_R4K 727 select CEVT_R4K
751 select CSRC_R4K 728 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 729 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 730 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 731 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 732 select IRQ_MIPS_CPU
756 select HAVE_EISA 733 select HAVE_EISA
757 select I8253 734 select I8253
758 select I8259 735 select I8259
759 select SGI_HAS_I8042 736 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 737 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 738 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 739 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 740 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 741 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 742 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 743 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 744 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 745 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 746 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 747 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 748 select MIPS_L1_CACHE_SHIFT_7
772 help 749 help
773 This is the SGI Indigo2 with R10000 750 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 751 kernel that runs on these, say Y here.
775 752
776 config SGI_IP30 753 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 754 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 755 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 756 select FW_ARC
780 select FW_ARC64 757 select FW_ARC64
781 select BOOT_ELF64 758 select BOOT_ELF64
782 select CEVT_R4K 759 select CEVT_R4K
783 select CSRC_R4K 760 select CSRC_R4K
784 select FORCE_PCI 761 select FORCE_PCI
785 select SYNC_R4K if SMP 762 select SYNC_R4K if SMP
786 select ZONE_DMA32 763 select ZONE_DMA32
787 select HAVE_PCI 764 select HAVE_PCI
788 select IRQ_MIPS_CPU 765 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 766 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 767 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 768 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 769 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 770 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 771 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 772 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 773 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 774 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 775 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 776 select ARC_MEMORY
800 help 777 help
801 These are the SGI Octane and Octane2 778 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 779 compile a Linux kernel that runs on these, say Y here.
803 780
804 config SGI_IP32 781 config SGI_IP32
805 bool "SGI IP32 (O2)" 782 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 783 select ARC_MEMORY
807 select ARC_PROMLIB 784 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 785 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 786 select FW_ARC
810 select FW_ARC32 787 select FW_ARC32
811 select BOOT_ELF32 788 select BOOT_ELF32
812 select CEVT_R4K 789 select CEVT_R4K
813 select CSRC_R4K 790 select CSRC_R4K
814 select DMA_NONCOHERENT 791 select DMA_NONCOHERENT
815 select HAVE_PCI 792 select HAVE_PCI
816 select IRQ_MIPS_CPU 793 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 794 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 795 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 796 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 797 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 798 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 799 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 800 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 801 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 802 select WAR_ICACHE_REFILLS
826 help 803 help
827 If you want this kernel to run on SG 804 If you want this kernel to run on SGI O2 workstation, say Y here.
828 805
>> 806 config SIBYTE_CRHINE
>> 807 bool "Sibyte BCM91120C-CRhine"
>> 808 select BOOT_ELF32
>> 809 select SIBYTE_BCM1120
>> 810 select SWAP_IO_SPACE
>> 811 select SYS_HAS_CPU_SB1
>> 812 select SYS_SUPPORTS_BIG_ENDIAN
>> 813 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 814
>> 815 config SIBYTE_CARMEL
>> 816 bool "Sibyte BCM91120x-Carmel"
>> 817 select BOOT_ELF32
>> 818 select SIBYTE_BCM1120
>> 819 select SWAP_IO_SPACE
>> 820 select SYS_HAS_CPU_SB1
>> 821 select SYS_SUPPORTS_BIG_ENDIAN
>> 822 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 823
829 config SIBYTE_CRHONE 824 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 825 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 826 select BOOT_ELF32
832 select SIBYTE_BCM1125 827 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 828 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 829 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 830 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 831 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 832 select SYS_SUPPORTS_LITTLE_ENDIAN
838 833
839 config SIBYTE_RHONE 834 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 835 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 836 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 837 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 838 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 839 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 840 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 841 select SYS_SUPPORTS_LITTLE_ENDIAN
847 842
848 config SIBYTE_SWARM 843 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 844 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 845 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 846 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 847 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 848 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 849 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 850 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 851 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 852 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 853 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 854 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 855
861 config SIBYTE_LITTLESUR 856 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 857 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 858 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 859 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 860 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 861 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 862 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 863 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 864 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 865 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 866 select ZONE_DMA32 if 64BIT
872 867
873 config SIBYTE_SENTOSA 868 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 869 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 870 select BOOT_ELF32
876 select SIBYTE_SB1250 871 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 872 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 873 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 874 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 875 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 876 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 877
883 config SIBYTE_BIGSUR 878 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 879 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 880 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 881 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 882 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 883 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 884 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 885 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 886 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 887 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 888 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 889 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 890
896 config SNI_RM 891 config SNI_RM
897 bool "SNI RM200/300/400" 892 bool "SNI RM200/300/400"
898 select ARC_MEMORY 893 select ARC_MEMORY
899 select ARC_PROMLIB 894 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 895 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 896 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 897 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 898 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 899 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 900 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 901 select BOOT_ELF32
907 select CEVT_R4K 902 select CEVT_R4K
908 select CSRC_R4K 903 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 904 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 905 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 906 select GENERIC_ISA_DMA
912 select HAVE_EISA 907 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 908 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 909 select HAVE_PCI
915 select IRQ_MIPS_CPU 910 select IRQ_MIPS_CPU
916 select I8253 911 select I8253
917 select I8259 912 select I8259
918 select ISA 913 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 914 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 915 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 916 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 917 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 918 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 919 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 920 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 921 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 922 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 923 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 924 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 925 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 926 select WAR_R4600_V2_HIT_CACHEOP
932 help 927 help
933 The SNI RM200/300/400 are MIPS-based 928 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 929 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 930 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 931 support this machine type.
937 932
938 config MACH_TX49XX 933 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 934 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 935 select WAR_TX49XX_ICACHE_INDEX_INV
941 936
942 config MIKROTIK_RB532 937 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 938 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 939 select CEVT_R4K
945 select CSRC_R4K 940 select CSRC_R4K
946 select DMA_NONCOHERENT 941 select DMA_NONCOHERENT
947 select HAVE_PCI 942 select HAVE_PCI
948 select IRQ_MIPS_CPU 943 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 944 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 945 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 946 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 947 select SWAP_IO_SPACE
953 select BOOT_RAW 948 select BOOT_RAW
954 select GPIOLIB 949 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 950 select MIPS_L1_CACHE_SHIFT_4
956 help 951 help
957 Support the Mikrotik(tm) RouterBoard 952 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 953 based on the IDT RC32434 SoC.
959 954
960 config CAVIUM_OCTEON_SOC 955 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 956 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 957 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 958 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 959 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 960 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 961 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 962 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 963 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 964 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 965 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 966 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 967 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 968 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 969 select HAVE_PCI
975 select HAVE_PLAT_DELAY 970 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 971 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 972 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 973 select ZONE_DMA32
979 select GPIOLIB 974 select GPIOLIB
980 select USE_OF 975 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 976 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 977 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 978 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 979 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 980 select BUILTIN_DTB
986 select MTD 981 select MTD
987 select MTD_COMPLEX_MAPPINGS 982 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 983 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 984 select SYS_SUPPORTS_RELOCATABLE
990 help 985 help
991 This option supports all of the Octe 986 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 987 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 988 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 989 Some of the supported boards are:
995 EBT3000 990 EBT3000
996 EBH3000 991 EBH3000
997 EBH3100 992 EBH3100
998 Thunder 993 Thunder
999 Kodama 994 Kodama
1000 Hikari 995 Hikari
1001 Say Y here for most Octeon referenc 996 Say Y here for most Octeon reference boards.
1002 997
1003 endchoice 998 endchoice
1004 999
1005 config FIT_IMAGE_FDT_EPM5 <<
1006 bool "Include FDT for Mobileye EyeQ5 <<
1007 depends on MACH_EYEQ5 <<
1008 default n <<
1009 help <<
1010 Enable this to include the FDT for <<
1011 from Mobileye in the FIT kernel ima <<
1012 This requires u-boot on the platfor <<
1013 <<
1014 source "arch/mips/alchemy/Kconfig" 1000 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1001 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1002 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1003 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1004 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1005 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1006 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1007 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1008 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1009 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1010 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1011 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1012 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1013 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1014 source "arch/mips/txx9/Kconfig"
>> 1015 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1016 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1017 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1018 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1019 source "arch/mips/loongson64/Kconfig"
1034 1020
1035 endmenu 1021 endmenu
1036 1022
1037 config GENERIC_HWEIGHT 1023 config GENERIC_HWEIGHT
1038 bool 1024 bool
1039 default y 1025 default y
1040 1026
1041 config GENERIC_CALIBRATE_DELAY 1027 config GENERIC_CALIBRATE_DELAY
1042 bool 1028 bool
1043 default y 1029 default y
1044 1030
1045 config SCHED_OMIT_FRAME_POINTER 1031 config SCHED_OMIT_FRAME_POINTER
1046 bool 1032 bool
1047 default y 1033 default y
1048 1034
1049 # 1035 #
1050 # Select some configuration options automatic 1036 # Select some configuration options automatically based on user selections.
1051 # 1037 #
1052 config FW_ARC 1038 config FW_ARC
1053 bool 1039 bool
1054 1040
1055 config ARCH_MAY_HAVE_PC_FDC 1041 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1042 bool
1057 1043
1058 config BOOT_RAW 1044 config BOOT_RAW
1059 bool 1045 bool
1060 1046
1061 config CEVT_BCM1480 1047 config CEVT_BCM1480
1062 bool 1048 bool
1063 1049
1064 config CEVT_DS1287 1050 config CEVT_DS1287
1065 bool 1051 bool
1066 1052
1067 config CEVT_GT641XX 1053 config CEVT_GT641XX
1068 bool 1054 bool
1069 1055
1070 config CEVT_R4K 1056 config CEVT_R4K
1071 bool 1057 bool
1072 1058
1073 config CEVT_SB1250 1059 config CEVT_SB1250
1074 bool 1060 bool
1075 1061
1076 config CEVT_TXX9 1062 config CEVT_TXX9
1077 bool 1063 bool
1078 1064
1079 config CSRC_BCM1480 1065 config CSRC_BCM1480
1080 bool 1066 bool
1081 1067
1082 config CSRC_IOASIC 1068 config CSRC_IOASIC
1083 bool 1069 bool
1084 1070
1085 config CSRC_R4K 1071 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1072 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1073 bool
1089 1074
1090 config CSRC_SB1250 1075 config CSRC_SB1250
1091 bool 1076 bool
1092 1077
1093 config MIPS_CLOCK_VSYSCALL 1078 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1079 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1080
1096 config GPIO_TXX9 1081 config GPIO_TXX9
1097 select GPIOLIB 1082 select GPIOLIB
1098 bool 1083 bool
1099 1084
1100 config FW_CFE 1085 config FW_CFE
1101 bool 1086 bool
1102 1087
1103 config ARCH_SUPPORTS_UPROBES 1088 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1089 bool
>> 1090
>> 1091 config DMA_PERDEV_COHERENT
>> 1092 bool
>> 1093 select ARCH_HAS_SETUP_DMA_OPS
>> 1094 select DMA_NONCOHERENT
1105 1095
1106 config DMA_NONCOHERENT 1096 config DMA_NONCOHERENT
1107 bool 1097 bool
1108 # 1098 #
1109 # MIPS allows mixing "slightly differ 1099 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1100 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1101 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1102 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1103 # significant advantages.
1114 # 1104 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1105 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1106 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1107 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1108 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1109 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1110 select NEED_DMA_MAP_STATE
1123 1111
1124 config SYS_HAS_EARLY_PRINTK 1112 config SYS_HAS_EARLY_PRINTK
1125 bool 1113 bool
1126 1114
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1115 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1116 bool
1129 1117
1130 config MIPS_BONITO64 1118 config MIPS_BONITO64
1131 bool 1119 bool
1132 1120
1133 config MIPS_MSC 1121 config MIPS_MSC
1134 bool 1122 bool
1135 1123
1136 config SYNC_R4K 1124 config SYNC_R4K
1137 bool 1125 bool
1138 1126
1139 config NO_IOPORT_MAP 1127 config NO_IOPORT_MAP
1140 def_bool n 1128 def_bool n
1141 1129
1142 config GENERIC_CSUM 1130 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1131 def_bool CPU_NO_LOAD_STORE_LR
1144 1132
1145 config GENERIC_ISA_DMA 1133 config GENERIC_ISA_DMA
1146 bool 1134 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1135 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1136 select ISA_DMA_API
1149 1137
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1138 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1139 bool
1152 select GENERIC_ISA_DMA 1140 select GENERIC_ISA_DMA
1153 1141
1154 config HAVE_PLAT_DELAY 1142 config HAVE_PLAT_DELAY
1155 bool 1143 bool
1156 1144
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1145 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1146 bool
1159 1147
1160 config HAVE_PLAT_MEMCPY 1148 config HAVE_PLAT_MEMCPY
1161 bool 1149 bool
1162 1150
1163 config ISA_DMA_API 1151 config ISA_DMA_API
1164 bool 1152 bool
1165 1153
1166 config SYS_SUPPORTS_RELOCATABLE 1154 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1155 bool
1168 help 1156 help
1169 Selected if the platform supports r 1157 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1158 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1159 to allow access to command line and entropy sources.
1172 1160
1173 # 1161 #
1174 # Endianness selection. Sufficiently obscure 1162 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1163 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1164 # choice statement should be more obvious to the user.
1177 # 1165 #
1178 choice 1166 choice
1179 prompt "Endianness selection" 1167 prompt "Endianness selection"
1180 help 1168 help
1181 Some MIPS machines can be configure 1169 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1170 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1171 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1172 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1173 one or the other endianness.
1186 1174
1187 config CPU_BIG_ENDIAN 1175 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1176 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1177 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1178
1191 config CPU_LITTLE_ENDIAN 1179 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1180 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1181 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1182
1195 endchoice 1183 endchoice
1196 1184
1197 config EXPORT_UASM 1185 config EXPORT_UASM
1198 bool 1186 bool
1199 1187
1200 config SYS_SUPPORTS_APM_EMULATION 1188 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1189 bool
1202 1190
1203 config SYS_SUPPORTS_BIG_ENDIAN 1191 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1192 bool
1205 1193
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1194 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1195 bool
1208 1196
1209 config MIPS_HUGE_TLB_SUPPORT 1197 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1198 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1199
>> 1200 config IRQ_MSP_SLP
>> 1201 bool
>> 1202
>> 1203 config IRQ_MSP_CIC
>> 1204 bool
>> 1205
1212 config IRQ_TXX9 1206 config IRQ_TXX9
1213 bool 1207 bool
1214 1208
1215 config IRQ_GT641XX 1209 config IRQ_GT641XX
1216 bool 1210 bool
1217 1211
1218 config PCI_GT64XXX_PCI0 1212 config PCI_GT64XXX_PCI0
1219 bool 1213 bool
1220 1214
1221 config PCI_XTALK_BRIDGE 1215 config PCI_XTALK_BRIDGE
1222 bool 1216 bool
1223 1217
1224 config NO_EXCEPT_FILL 1218 config NO_EXCEPT_FILL
1225 bool 1219 bool
1226 1220
1227 config MIPS_SPRAM 1221 config MIPS_SPRAM
1228 bool 1222 bool
1229 1223
1230 config SWAP_IO_SPACE 1224 config SWAP_IO_SPACE
1231 bool 1225 bool
1232 1226
1233 config SGI_HAS_INDYDOG 1227 config SGI_HAS_INDYDOG
1234 bool 1228 bool
1235 1229
1236 config SGI_HAS_HAL2 1230 config SGI_HAS_HAL2
1237 bool 1231 bool
1238 1232
1239 config SGI_HAS_SEEQ 1233 config SGI_HAS_SEEQ
1240 bool 1234 bool
1241 1235
1242 config SGI_HAS_WD93 1236 config SGI_HAS_WD93
1243 bool 1237 bool
1244 1238
1245 config SGI_HAS_ZILOG 1239 config SGI_HAS_ZILOG
1246 bool 1240 bool
1247 1241
1248 config SGI_HAS_I8042 1242 config SGI_HAS_I8042
1249 bool 1243 bool
1250 1244
1251 config DEFAULT_SGI_PARTITION 1245 config DEFAULT_SGI_PARTITION
1252 bool 1246 bool
1253 1247
1254 config FW_ARC32 1248 config FW_ARC32
1255 bool 1249 bool
1256 1250
1257 config FW_SNIPROM 1251 config FW_SNIPROM
1258 bool 1252 bool
1259 1253
1260 config BOOT_ELF32 1254 config BOOT_ELF32
1261 bool 1255 bool
1262 1256
1263 config MIPS_L1_CACHE_SHIFT_4 1257 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1258 bool
1265 1259
1266 config MIPS_L1_CACHE_SHIFT_5 1260 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1261 bool
1268 1262
1269 config MIPS_L1_CACHE_SHIFT_6 1263 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1264 bool
1271 1265
1272 config MIPS_L1_CACHE_SHIFT_7 1266 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1267 bool
1274 1268
1275 config MIPS_L1_CACHE_SHIFT 1269 config MIPS_L1_CACHE_SHIFT
1276 int 1270 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1271 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1272 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1273 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1274 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1275 default "5"
1282 1276
1283 config ARC_CMDLINE_ONLY 1277 config ARC_CMDLINE_ONLY
1284 bool 1278 bool
1285 1279
1286 config ARC_CONSOLE 1280 config ARC_CONSOLE
1287 bool "ARC console support" 1281 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1282 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1283
1290 config ARC_MEMORY 1284 config ARC_MEMORY
1291 bool 1285 bool
1292 1286
1293 config ARC_PROMLIB 1287 config ARC_PROMLIB
1294 bool 1288 bool
1295 1289
1296 config FW_ARC64 1290 config FW_ARC64
1297 bool 1291 bool
1298 1292
1299 config BOOT_ELF64 1293 config BOOT_ELF64
1300 bool 1294 bool
1301 1295
1302 menu "CPU selection" 1296 menu "CPU selection"
1303 1297
1304 choice 1298 choice
1305 prompt "CPU type" 1299 prompt "CPU type"
1306 default CPU_R4X00 1300 default CPU_R4X00
1307 1301
1308 config CPU_LOONGSON64 1302 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1303 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1304 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1305 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1306 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1307 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1308 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1309 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1310 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1311 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1312 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1313 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1314 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1315 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1316 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1317 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1318 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1319 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1320 select GPIOLIB
1329 select SWIOTLB 1321 select SWIOTLB
>> 1322 select HAVE_KVM
>> 1323 help
>> 1324 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1325 cores implements the MIPS64R2 instruction set with many extensions,
>> 1326 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1327 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1328 Loongson-2E/2F is not covered here and will be removed in future.
>> 1329
>> 1330 config LOONGSON3_ENHANCEMENT
>> 1331 bool "New Loongson-3 CPU Enhancements"
>> 1332 default n
>> 1333 depends on CPU_LOONGSON64
>> 1334 help
>> 1335 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1336 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1337 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1338 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1339 Fast TLB refill support, etc.
>> 1340
>> 1341 This option enable those enhancements which are not probed at run
>> 1342 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1343 please say 'N' here. If you want a high-performance kernel to run on
>> 1344 new Loongson-3 machines only, please say 'Y' here.
>> 1345
>> 1346 config CPU_LOONGSON3_WORKAROUNDS
>> 1347 bool "Loongson-3 LLSC Workarounds"
>> 1348 default y if SMP
>> 1349 depends on CPU_LOONGSON64
1330 help 1350 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1351 Loongson-3 processors have the llsc issues which require workarounds.
1332 cores implements the MIPS64R2 instr !! 1352 Without workarounds the system may hang unexpectedly.
1333 including most 64-bit Loongson-2 (2 !! 1353
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1354 Say Y, unless you know what you are doing.
1335 Loongson-2E/2F is not covered here !! 1355
>> 1356 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1357 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1358 default y
>> 1359 depends on CPU_LOONGSON64
>> 1360 help
>> 1361 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1362 userland to query CPU capabilities, much like CPUID on x86. This
>> 1363 option provides emulation of the instruction on older Loongson
>> 1364 cores, back to Loongson-3A1000.
>> 1365
>> 1366 If unsure, please say Y.
1336 1367
1337 config CPU_LOONGSON2E 1368 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1369 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1370 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1371 select CPU_LOONGSON2EF
1341 help 1372 help
1342 The Loongson 2E processor implement 1373 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1374 with many extensions.
1344 1375
1345 It has an internal FPGA northbridge 1376 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1377 bonito64.
1347 1378
1348 config CPU_LOONGSON2F 1379 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1380 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1381 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1382 select CPU_LOONGSON2EF
>> 1383 select GPIOLIB
1352 help 1384 help
1353 The Loongson 2F processor implement 1385 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1386 with many extensions.
1355 1387
1356 Loongson2F have built-in DDR2 and P 1388 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1389 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1390 Loongson2E.
1359 1391
1360 config CPU_LOONGSON1B 1392 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1393 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1394 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1395 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1396 select LEDS_GPIO_REGISTER
1365 help 1397 help
1366 The Loongson 1B is a 32-bit SoC, wh 1398 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1399 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1400 instruction set.
1369 1401
1370 config CPU_LOONGSON1C 1402 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1403 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1404 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1405 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1406 select LEDS_GPIO_REGISTER
1375 help 1407 help
1376 The Loongson 1C is a 32-bit SoC, wh 1408 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1409 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1410 instruction set.
1379 1411
1380 config CPU_MIPS32_R1 1412 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1413 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1414 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1415 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1416 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1417 select CPU_SUPPORTS_HIGHMEM
1386 help 1418 help
1387 Choose this option to build a kerne 1419 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1420 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1421 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1422 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1423 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1424 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1425 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1426 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1427 performance.
1396 1428
1397 config CPU_MIPS32_R2 1429 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1430 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1431 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1432 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1433 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1434 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1435 select CPU_SUPPORTS_MSA
>> 1436 select HAVE_KVM
1404 help 1437 help
1405 Choose this option to build a kerne 1438 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1439 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1440 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1441 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1442 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1443
1411 config CPU_MIPS32_R5 1444 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1445 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1446 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1447 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1448 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1449 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1450 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1451 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1452 select MIPS_O32_FP64_SUPPORT
1420 help 1453 help
1421 Choose this option to build a kerne 1454 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1455 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1456 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1457 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1458
1426 config CPU_MIPS32_R6 1459 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1460 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1461 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1462 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1463 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1464 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1465 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1466 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1467 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1468 select MIPS_O32_FP64_SUPPORT
1436 help 1469 help
1437 Choose this option to build a kerne 1470 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1471 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1472 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1473 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1474
1442 config CPU_MIPS64_R1 1475 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1476 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1477 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1478 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1479 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1480 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1481 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1482 select CPU_SUPPORTS_HUGEPAGES
1450 help 1483 help
1451 Choose this option to build a kerne 1484 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1485 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1486 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1487 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1488 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1489 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1490 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1491 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1492 performance.
1460 1493
1461 config CPU_MIPS64_R2 1494 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1495 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1496 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1497 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1498 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1499 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1500 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1501 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1502 select CPU_SUPPORTS_MSA
>> 1503 select HAVE_KVM
1470 help 1504 help
1471 Choose this option to build a kerne 1505 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1506 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1507 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1508 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1509 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1510
1477 config CPU_MIPS64_R5 1511 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1512 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1513 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1514 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1515 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1516 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1517 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1518 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1519 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1520 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1521 select HAVE_KVM
1488 help 1522 help
1489 Choose this option to build a kerne 1523 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1524 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1525 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1526 any hardware known to be based on this release.
1493 1527
1494 config CPU_MIPS64_R6 1528 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1529 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1530 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1531 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1532 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1533 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1534 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1535 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1536 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1537 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1538 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1539 select HAVE_KVM
1506 help 1540 help
1507 Choose this option to build a kerne 1541 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1542 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1543 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1544 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1545
1512 config CPU_P5600 1546 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1547 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1548 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1549 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1550 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1551 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1552 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1553 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1554 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1555 select CPU_MIPSR2_IRQ_EI
>> 1556 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1557 select MIPS_O32_FP64_SUPPORT
1524 help 1558 help
1525 Choose this option to build a kerne 1559 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1560 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1561 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1562 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1563 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1564 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1565 eJTAG and PDtrace.
1532 1566
1533 config CPU_R3000 1567 config CPU_R3000
1534 bool "R3000" 1568 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1569 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1570 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1571 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1572 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1573 select CPU_SUPPORTS_HIGHMEM
1540 help 1574 help
1541 Please make sure to pick the right 1575 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1576 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1577 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1578 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1579 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1580 try to recompile with R3000.
1547 1581
>> 1582 config CPU_VR41XX
>> 1583 bool "R41xx"
>> 1584 depends on SYS_HAS_CPU_VR41XX
>> 1585 select CPU_SUPPORTS_32BIT_KERNEL
>> 1586 select CPU_SUPPORTS_64BIT_KERNEL
>> 1587 help
>> 1588 The options selects support for the NEC VR4100 series of processors.
>> 1589 Only choose this option if you have one of these processors as a
>> 1590 kernel built with this option will not run on any other type of
>> 1591 processor or vice versa.
>> 1592
1548 config CPU_R4300 1593 config CPU_R4300
1549 bool "R4300" 1594 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1595 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1596 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1597 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1598 help
1554 MIPS Technologies R4300-series proc 1599 MIPS Technologies R4300-series processors.
1555 1600
1556 config CPU_R4X00 1601 config CPU_R4X00
1557 bool "R4x00" 1602 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1603 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1604 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1605 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1606 select CPU_SUPPORTS_HUGEPAGES
1562 help 1607 help
1563 MIPS Technologies R4000-series proc 1608 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1609 the R4000, R4400, R4600, and 4700.
1565 1610
1566 config CPU_TX49XX 1611 config CPU_TX49XX
1567 bool "R49XX" 1612 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1613 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1614 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1615 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1616 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1617 select CPU_SUPPORTS_HUGEPAGES
1573 1618
1574 config CPU_R5000 1619 config CPU_R5000
1575 bool "R5000" 1620 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1621 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1622 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1623 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1624 select CPU_SUPPORTS_HUGEPAGES
1580 help 1625 help
1581 MIPS Technologies R5000-series proc 1626 MIPS Technologies R5000-series processors other than the Nevada.
1582 1627
1583 config CPU_R5500 1628 config CPU_R5500
1584 bool "R5500" 1629 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1630 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1631 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1632 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1633 select CPU_SUPPORTS_HUGEPAGES
1589 help 1634 help
1590 NEC VR5500 and VR5500A series proce 1635 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1636 instruction set.
1592 1637
1593 config CPU_NEVADA 1638 config CPU_NEVADA
1594 bool "RM52xx" 1639 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1640 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1641 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1642 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1643 select CPU_SUPPORTS_HUGEPAGES
1599 help 1644 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1645 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1646
1602 config CPU_R10000 1647 config CPU_R10000
1603 bool "R10000" 1648 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1649 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1650 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1651 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1652 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1653 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1654 select CPU_SUPPORTS_HUGEPAGES
1610 help 1655 help
1611 MIPS Technologies R10000-series pro 1656 MIPS Technologies R10000-series processors.
1612 1657
1613 config CPU_RM7000 1658 config CPU_RM7000
1614 bool "RM7000" 1659 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1660 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1661 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1662 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1663 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1664 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1665 select CPU_SUPPORTS_HUGEPAGES
1621 1666
1622 config CPU_SB1 1667 config CPU_SB1
1623 bool "SB1" 1668 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1669 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1670 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1671 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1672 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1673 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1674 select WEAK_ORDERING
1630 1675
1631 config CPU_CAVIUM_OCTEON 1676 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1677 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1678 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1679 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1680 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 1681 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1682 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1683 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1684 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1685 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1686 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1687 select HAVE_KVM
1645 help 1688 help
1646 The Cavium Octeon processor is a hi 1689 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1690 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1691 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1692 Full details can be found at http://www.caviumnetworks.com.
1650 1693
1651 config CPU_BMIPS 1694 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1695 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1696 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1697 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1698 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1699 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1700 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1701 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1702 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1703 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1704 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1705 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1706 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1707 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1708 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1709 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1710 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1711 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1712 help
1670 Support for BMIPS32/3300/4350/4380 1713 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1714
1672 endchoice 1715 endchoice
1673 1716
1674 config LOONGSON3_ENHANCEMENT <<
1675 bool "New Loongson-3 CPU Enhancements <<
1676 default n <<
1677 depends on CPU_LOONGSON64 <<
1678 help <<
1679 New Loongson-3 cores (since Loongso <<
1680 R1, Loongson-3B R1 and Loongson-3B <<
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc <<
1682 Local register, Read-Inhibit/Execut <<
1683 Fast TLB refill support, etc. <<
1684 <<
1685 This option enable those enhancemen <<
1686 time. If you want a generic kernel <<
1687 please say 'N' here. If you want a <<
1688 new Loongson-3 machines only, pleas <<
1689 <<
1690 config CPU_LOONGSON3_WORKAROUNDS <<
1691 bool "Loongson-3 LLSC Workarounds" <<
1692 default y if SMP <<
1693 depends on CPU_LOONGSON64 <<
1694 help <<
1695 Loongson-3 processors have the llsc <<
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 <<
1700 config CPU_LOONGSON3_CPUCFG_EMULATION <<
1701 bool "Emulate the CPUCFG instruction <<
1702 default y <<
1703 depends on CPU_LOONGSON64 <<
1704 help <<
1705 Loongson-3A R4 and newer have the C <<
1706 userland to query CPU capabilities, <<
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 <<
1712 config CPU_MIPS32_3_5_FEATURES 1717 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1718 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1719 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1720 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1721 CPU_P5600
1717 help 1722 help
1718 Choose this option to build a kerne 1723 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1724 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1725 support for Enhanced Virtual Addressing (EVA).
1721 1726
1722 config CPU_MIPS32_3_5_EVA 1727 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1728 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1729 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1730 select EVA
1726 default y 1731 default y
1727 help 1732 help
1728 Choose this option if you want to e 1733 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1734 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1735 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1736 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1737
1733 config CPU_MIPS32_R5_FEATURES 1738 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1739 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1740 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1741 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1742 help
1738 Choose this option to build a kerne 1743 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1744 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1745 support for Extended Physical Addressing (XPA).
1741 1746
1742 config CPU_MIPS32_R5_XPA 1747 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1748 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1749 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1750 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1751 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1752 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1753 select XPA
1749 select HIGHMEM 1754 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1755 select PHYS_ADDR_T_64BIT
1751 default n 1756 default n
1752 help 1757 help
1753 Choose this option if you want to e 1758 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1759 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1760 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1761 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1762 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1763 If unsure, say 'N' here.
1759 1764
1760 if CPU_LOONGSON2F 1765 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1766 config CPU_NOP_WORKAROUNDS
1762 bool 1767 bool
1763 1768
1764 config CPU_JUMP_WORKAROUNDS 1769 config CPU_JUMP_WORKAROUNDS
1765 bool 1770 bool
1766 1771
1767 config CPU_LOONGSON2F_WORKAROUNDS 1772 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1773 bool "Loongson 2F Workarounds"
1769 default y 1774 default y
1770 select CPU_NOP_WORKAROUNDS 1775 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1776 select CPU_JUMP_WORKAROUNDS
1772 help 1777 help
1773 Loongson 2F01 / 2F02 processors hav 1778 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1779 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1780 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1781 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1782
1778 Loongson 2F03 and later have fixed 1783 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1784 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1785 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1786 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1787 systems.
1783 1788
1784 If unsure, please say Y. 1789 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1790 endif # CPU_LOONGSON2F
1786 1791
1787 config SYS_SUPPORTS_ZBOOT 1792 config SYS_SUPPORTS_ZBOOT
1788 bool 1793 bool
1789 select HAVE_KERNEL_GZIP 1794 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1795 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1796 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1797 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1798 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1799 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1800 select HAVE_KERNEL_ZSTD
1796 1801
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1802 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1803 bool
1799 select SYS_SUPPORTS_ZBOOT 1804 select SYS_SUPPORTS_ZBOOT
1800 1805
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1806 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1807 bool
1803 select SYS_SUPPORTS_ZBOOT 1808 select SYS_SUPPORTS_ZBOOT
1804 1809
1805 config CPU_LOONGSON2EF 1810 config CPU_LOONGSON2EF
1806 bool 1811 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1812 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1813 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1814 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1815 select CPU_SUPPORTS_HUGEPAGES
>> 1816 select ARCH_HAS_PHYS_TO_DMA
1811 1817
1812 config CPU_LOONGSON32 1818 config CPU_LOONGSON32
1813 bool 1819 bool
1814 select CPU_MIPS32 1820 select CPU_MIPS32
1815 select CPU_MIPSR2 1821 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1822 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1823 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1824 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1825 select CPU_SUPPORTS_CPUFREQ
1820 1826
1821 config CPU_BMIPS32_3300 1827 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1828 select SMP_UP if SMP
1823 bool 1829 bool
1824 1830
1825 config CPU_BMIPS4350 1831 config CPU_BMIPS4350
1826 bool 1832 bool
1827 select SYS_SUPPORTS_SMP 1833 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1834 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1835
1830 config CPU_BMIPS4380 1836 config CPU_BMIPS4380
1831 bool 1837 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1838 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1839 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1840 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1841 select CPU_HAS_RIXI
1836 1842
1837 config CPU_BMIPS5000 1843 config CPU_BMIPS5000
1838 bool 1844 bool
1839 select MIPS_CPU_SCACHE 1845 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1846 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1847 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1848 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1849 select CPU_HAS_RIXI
1844 1850
1845 config SYS_HAS_CPU_LOONGSON64 1851 config SYS_HAS_CPU_LOONGSON64
1846 bool 1852 bool
1847 select CPU_SUPPORTS_CPUFREQ 1853 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1854 select CPU_HAS_RIXI
1849 1855
1850 config SYS_HAS_CPU_LOONGSON2E 1856 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1857 bool
1852 1858
1853 config SYS_HAS_CPU_LOONGSON2F 1859 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1860 bool
1855 select CPU_SUPPORTS_CPUFREQ 1861 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1862 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1863
1858 config SYS_HAS_CPU_LOONGSON1B 1864 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1865 bool
1860 1866
1861 config SYS_HAS_CPU_LOONGSON1C 1867 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1868 bool
1863 1869
1864 config SYS_HAS_CPU_MIPS32_R1 1870 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1871 bool
1866 1872
1867 config SYS_HAS_CPU_MIPS32_R2 1873 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1874 bool
1869 1875
1870 config SYS_HAS_CPU_MIPS32_R3_5 1876 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1877 bool
1872 1878
1873 config SYS_HAS_CPU_MIPS32_R5 1879 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1880 bool
>> 1881 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1882
1876 config SYS_HAS_CPU_MIPS32_R6 1883 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1884 bool
>> 1885 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1886
1879 config SYS_HAS_CPU_MIPS64_R1 1887 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1888 bool
1881 1889
1882 config SYS_HAS_CPU_MIPS64_R2 1890 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1891 bool
1884 1892
1885 config SYS_HAS_CPU_MIPS64_R5 1893 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1894 bool
>> 1895 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1896
1888 config SYS_HAS_CPU_MIPS64_R6 1897 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1898 bool
>> 1899 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1900
1891 config SYS_HAS_CPU_P5600 1901 config SYS_HAS_CPU_P5600
1892 bool 1902 bool
>> 1903 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 1904
1894 config SYS_HAS_CPU_R3000 1905 config SYS_HAS_CPU_R3000
1895 bool 1906 bool
1896 1907
>> 1908 config SYS_HAS_CPU_VR41XX
>> 1909 bool
>> 1910
1897 config SYS_HAS_CPU_R4300 1911 config SYS_HAS_CPU_R4300
1898 bool 1912 bool
1899 1913
1900 config SYS_HAS_CPU_R4X00 1914 config SYS_HAS_CPU_R4X00
1901 bool 1915 bool
1902 1916
1903 config SYS_HAS_CPU_TX49XX 1917 config SYS_HAS_CPU_TX49XX
1904 bool 1918 bool
1905 1919
1906 config SYS_HAS_CPU_R5000 1920 config SYS_HAS_CPU_R5000
1907 bool 1921 bool
1908 1922
1909 config SYS_HAS_CPU_R5500 1923 config SYS_HAS_CPU_R5500
1910 bool 1924 bool
1911 1925
1912 config SYS_HAS_CPU_NEVADA 1926 config SYS_HAS_CPU_NEVADA
1913 bool 1927 bool
1914 1928
1915 config SYS_HAS_CPU_R10000 1929 config SYS_HAS_CPU_R10000
1916 bool 1930 bool
>> 1931 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1932
1918 config SYS_HAS_CPU_RM7000 1933 config SYS_HAS_CPU_RM7000
1919 bool 1934 bool
1920 1935
1921 config SYS_HAS_CPU_SB1 1936 config SYS_HAS_CPU_SB1
1922 bool 1937 bool
1923 1938
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1939 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1940 bool
1926 1941
1927 config SYS_HAS_CPU_BMIPS 1942 config SYS_HAS_CPU_BMIPS
1928 bool 1943 bool
1929 1944
1930 config SYS_HAS_CPU_BMIPS32_3300 1945 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1946 bool
1932 select SYS_HAS_CPU_BMIPS 1947 select SYS_HAS_CPU_BMIPS
1933 1948
1934 config SYS_HAS_CPU_BMIPS4350 1949 config SYS_HAS_CPU_BMIPS4350
1935 bool 1950 bool
1936 select SYS_HAS_CPU_BMIPS 1951 select SYS_HAS_CPU_BMIPS
1937 1952
1938 config SYS_HAS_CPU_BMIPS4380 1953 config SYS_HAS_CPU_BMIPS4380
1939 bool 1954 bool
1940 select SYS_HAS_CPU_BMIPS 1955 select SYS_HAS_CPU_BMIPS
1941 1956
1942 config SYS_HAS_CPU_BMIPS5000 1957 config SYS_HAS_CPU_BMIPS5000
1943 bool 1958 bool
1944 select SYS_HAS_CPU_BMIPS 1959 select SYS_HAS_CPU_BMIPS
>> 1960 select ARCH_HAS_SYNC_DMA_FOR_CPU
1945 1961
1946 # 1962 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1963 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1964 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1965 #
1950 config WEAK_ORDERING 1966 config WEAK_ORDERING
1951 bool 1967 bool
1952 1968
1953 # 1969 #
1954 # CPU may reorder reads and writes beyond LL/ 1970 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1971 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1972 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1973 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1974 bool
1959 endmenu 1975 endmenu
1960 1976
1961 # 1977 #
1962 # These two indicate any level of the MIPS32 1978 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1979 #
1964 config CPU_MIPS32 1980 config CPU_MIPS32
1965 bool 1981 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1982 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1983 CPU_MIPS32_R6 || CPU_P5600
1968 1984
1969 config CPU_MIPS64 1985 config CPU_MIPS64
1970 bool 1986 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 1987 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 1988 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 1989
1974 # 1990 #
1975 # These indicate the revision of the architec 1991 # These indicate the revision of the architecture
1976 # 1992 #
1977 config CPU_MIPSR1 1993 config CPU_MIPSR1
1978 bool 1994 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1995 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1996
1981 config CPU_MIPSR2 1997 config CPU_MIPSR2
1982 bool 1998 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1999 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2000 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2001 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2002 select MIPS_SPRAM
1987 2003
1988 config CPU_MIPSR5 2004 config CPU_MIPSR5
1989 bool 2005 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2006 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2007 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2008 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2009 select MIPS_SPRAM
1994 2010
1995 config CPU_MIPSR6 2011 config CPU_MIPSR6
1996 bool 2012 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2013 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2014 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2015 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2016 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2017 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2018 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2019 select MIPS_SPRAM
2004 2020
2005 config TARGET_ISA_REV 2021 config TARGET_ISA_REV
2006 int 2022 int
2007 default 1 if CPU_MIPSR1 2023 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2024 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2025 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2026 default 6 if CPU_MIPSR6
2011 default 0 2027 default 0
2012 help 2028 help
2013 Reflects the ISA revision being tar 2029 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2030 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2031
2016 config EVA 2032 config EVA
2017 bool 2033 bool
2018 2034
2019 config XPA 2035 config XPA
2020 bool 2036 bool
2021 2037
2022 config SYS_SUPPORTS_32BIT_KERNEL 2038 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2039 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2040 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2041 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2042 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2043 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2044 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2045 bool
2030 config CPU_SUPPORTS_CPUFREQ 2046 config CPU_SUPPORTS_CPUFREQ
2031 bool 2047 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2048 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2049 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2050 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2051 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2052 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2053 config MIPS_PGD_C0_CONTEXT
2040 bool 2054 bool
2041 depends on 64BIT 2055 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 2056 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 2057
2044 # 2058 #
2045 # Set to y for ptrace access to watch registe 2059 # Set to y for ptrace access to watch registers.
2046 # 2060 #
2047 config HARDWARE_WATCHPOINTS 2061 config HARDWARE_WATCHPOINTS
2048 bool 2062 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2063 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2064
2051 menu "Kernel type" 2065 menu "Kernel type"
2052 2066
2053 choice 2067 choice
2054 prompt "Kernel code model" 2068 prompt "Kernel code model"
2055 help 2069 help
2056 You should only select this option 2070 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2071 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2072 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2073 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2074
2061 config 32BIT 2075 config 32BIT
2062 bool "32-bit kernel" 2076 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2077 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2078 select TRAD_SIGNALS
2065 help 2079 help
2066 Select this option if you want to b 2080 Select this option if you want to build a 32-bit kernel.
2067 2081
2068 config 64BIT 2082 config 64BIT
2069 bool "64-bit kernel" 2083 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2084 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2085 help
2072 Select this option if you want to b 2086 Select this option if you want to build a 64-bit kernel.
2073 2087
2074 endchoice 2088 endchoice
2075 2089
2076 config MIPS_VA_BITS_48 2090 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2091 bool "48 bits virtual memory"
2078 depends on 64BIT 2092 depends on 64BIT
2079 help 2093 help
2080 Support a maximum at least 48 bits 2094 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2095 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2096 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2097 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2098 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2099 overhead as well as slower TLB fault handling.
2086 2100
2087 If unsure, say N. 2101 If unsure, say N.
2088 2102
2089 config ZBOOT_LOAD_ADDRESS 2103 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2104 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2105 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2106 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2107 depends on SYS_SUPPORTS_ZBOOT
2094 help 2108 help
2095 The address to load compressed kern 2109 The address to load compressed kernel, aka vmlinuz.
2096 2110
2097 This is only used if non-zero. 2111 This is only used if non-zero.
2098 2112
2099 config ARCH_FORCE_MAX_ORDER !! 2113 choice
>> 2114 prompt "Kernel page size"
>> 2115 default PAGE_SIZE_4KB
>> 2116
>> 2117 config PAGE_SIZE_4KB
>> 2118 bool "4kB"
>> 2119 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2120 help
>> 2121 This option select the standard 4kB Linux page size. On some
>> 2122 R3000-family processors this is the only available page size. Using
>> 2123 4kB page size will minimize memory consumption and is therefore
>> 2124 recommended for low memory systems.
>> 2125
>> 2126 config PAGE_SIZE_8KB
>> 2127 bool "8kB"
>> 2128 depends on CPU_CAVIUM_OCTEON
>> 2129 depends on !MIPS_VA_BITS_48
>> 2130 help
>> 2131 Using 8kB page size will result in higher performance kernel at
>> 2132 the price of higher memory consumption. This option is available
>> 2133 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2134 distribution to support this.
>> 2135
>> 2136 config PAGE_SIZE_16KB
>> 2137 bool "16kB"
>> 2138 depends on !CPU_R3000
>> 2139 help
>> 2140 Using 16kB page size will result in higher performance kernel at
>> 2141 the price of higher memory consumption. This option is available on
>> 2142 all non-R3000 family processors. Note that you will need a suitable
>> 2143 Linux distribution to support this.
>> 2144
>> 2145 config PAGE_SIZE_32KB
>> 2146 bool "32kB"
>> 2147 depends on CPU_CAVIUM_OCTEON
>> 2148 depends on !MIPS_VA_BITS_48
>> 2149 help
>> 2150 Using 32kB page size will result in higher performance kernel at
>> 2151 the price of higher memory consumption. This option is available
>> 2152 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2153 distribution to support this.
>> 2154
>> 2155 config PAGE_SIZE_64KB
>> 2156 bool "64kB"
>> 2157 depends on !CPU_R3000
>> 2158 help
>> 2159 Using 64kB page size will result in higher performance kernel at
>> 2160 the price of higher memory consumption. This option is available on
>> 2161 all non-R3000 family processor. Not that at the time of this
>> 2162 writing this option is still high experimental.
>> 2163
>> 2164 endchoice
>> 2165
>> 2166 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2167 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2168 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2169 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2170 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2171 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2172 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2173 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2174 range 0 64
>> 2175 default "11"
2105 help 2176 help
2106 The kernel memory allocator divides 2177 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2178 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2179 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2180 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2181 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2182 increase this value.
2112 2183
>> 2184 This config option is actually maximum order plus one. For example,
>> 2185 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2186
2113 The page size is not necessarily 4K 2187 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2188 when choosing a value for this option.
2115 2189
2116 config BOARD_SCACHE 2190 config BOARD_SCACHE
2117 bool 2191 bool
2118 2192
2119 config IP22_CPU_SCACHE 2193 config IP22_CPU_SCACHE
2120 bool 2194 bool
2121 select BOARD_SCACHE 2195 select BOARD_SCACHE
2122 2196
2123 # 2197 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2198 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2199 #
2126 config MIPS_CPU_SCACHE 2200 config MIPS_CPU_SCACHE
2127 bool 2201 bool
2128 select BOARD_SCACHE 2202 select BOARD_SCACHE
2129 2203
2130 config R5000_CPU_SCACHE 2204 config R5000_CPU_SCACHE
2131 bool 2205 bool
2132 select BOARD_SCACHE 2206 select BOARD_SCACHE
2133 2207
2134 config RM7000_CPU_SCACHE 2208 config RM7000_CPU_SCACHE
2135 bool 2209 bool
2136 select BOARD_SCACHE 2210 select BOARD_SCACHE
2137 2211
2138 config SIBYTE_DMA_PAGEOPS 2212 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2213 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2214 depends on CPU_SB1
2141 help 2215 help
2142 Instead of using the CPU to zero an 2216 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2217 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2218 SiByte Linux port. Seems to give a small performance benefit.
2145 2219
2146 config CPU_HAS_PREFETCH 2220 config CPU_HAS_PREFETCH
2147 bool 2221 bool
2148 2222
2149 config CPU_GENERIC_DUMP_TLB 2223 config CPU_GENERIC_DUMP_TLB
2150 bool 2224 bool
2151 default y if !CPU_R3000 2225 default y if !CPU_R3000
2152 2226
2153 config MIPS_FP_SUPPORT 2227 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2228 bool "Floating Point support" if EXPERT
2155 default y 2229 default y
2156 help 2230 help
2157 Select y to include support for flo 2231 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2232 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2233 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2234 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2235 receive a SIGILL.
2162 2236
2163 If you know that your userland will 2237 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2238 instructions then you can say n here to shrink the kernel a little.
2165 2239
2166 If unsure, say y. 2240 If unsure, say y.
2167 2241
2168 config CPU_R2300_FPU 2242 config CPU_R2300_FPU
2169 bool 2243 bool
2170 depends on MIPS_FP_SUPPORT 2244 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 2245 default y if CPU_R3000
2172 2246
2173 config CPU_R3K_TLB 2247 config CPU_R3K_TLB
2174 bool 2248 bool
2175 2249
2176 config CPU_R4K_FPU 2250 config CPU_R4K_FPU
2177 bool 2251 bool
2178 depends on MIPS_FP_SUPPORT 2252 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2253 default y if !CPU_R2300_FPU
2180 2254
2181 config CPU_R4K_CACHE_TLB 2255 config CPU_R4K_CACHE_TLB
2182 bool 2256 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2257 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2258
2185 config MIPS_MT_SMP 2259 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2260 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2261 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2262 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2263 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2264 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2265 select SYNC_R4K
2193 select MIPS_MT 2266 select MIPS_MT
2194 select SMP 2267 select SMP
2195 select SMP_UP 2268 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2269 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2270 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2271 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2272 help
2200 This is a kernel model which is kno 2273 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2274 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2275 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2276 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2277 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2278
2206 config MIPS_MT 2279 config MIPS_MT
2207 bool 2280 bool
2208 2281
2209 config SCHED_SMT 2282 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2283 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2284 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2285 default n
2213 help 2286 help
2214 SMT scheduler support improves the 2287 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2288 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2289 increased overhead in some places. If unsure say N here.
2217 2290
2218 config SYS_SUPPORTS_SCHED_SMT 2291 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2292 bool
2220 2293
2221 config SYS_SUPPORTS_MULTITHREADING 2294 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2295 bool
2223 2296
2224 config MIPS_MT_FPAFF 2297 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2298 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2299 default y
2227 depends on MIPS_MT_SMP 2300 depends on MIPS_MT_SMP
2228 2301
2229 config MIPSR2_TO_R6_EMULATOR 2302 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2303 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2304 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2305 depends on MIPS_FP_SUPPORT
2233 default y 2306 default y
2234 help 2307 help
2235 Choose this option if you want to r 2308 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2309 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2310 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2311 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2312 final kernel image.
2240 2313
2241 config SYS_SUPPORTS_VPE_LOADER 2314 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2315 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2316 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2317 help
2245 Indicates that the platform support 2318 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2319 physical_memsize.
2247 2320
2248 config MIPS_VPE_LOADER 2321 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2322 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2323 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2324 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2325 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2326 select MIPS_MT
2254 help 2327 help
2255 Includes a loader for loading an el 2328 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2329 onto another VPE and running it.
2257 2330
>> 2331 config MIPS_VPE_LOADER_CMP
>> 2332 bool
>> 2333 default "y"
>> 2334 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2335
2258 config MIPS_VPE_LOADER_MT 2336 config MIPS_VPE_LOADER_MT
2259 bool 2337 bool
2260 default "y" 2338 default "y"
2261 depends on MIPS_VPE_LOADER !! 2339 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2340
2263 config MIPS_VPE_LOADER_TOM 2341 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2342 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2343 depends on MIPS_VPE_LOADER
2266 default y 2344 default y
2267 help 2345 help
2268 The loader can use memory that is p 2346 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2347 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2348 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2349 program requires is less or equal to the amount physically present.
2272 2350
2273 config MIPS_VPE_APSP_API 2351 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2352 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2353 depends on MIPS_VPE_LOADER
2276 2354
>> 2355 config MIPS_VPE_APSP_API_CMP
>> 2356 bool
>> 2357 default "y"
>> 2358 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2359
2277 config MIPS_VPE_APSP_API_MT 2360 config MIPS_VPE_APSP_API_MT
2278 bool 2361 bool
2279 default "y" 2362 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2363 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2364
>> 2365 config MIPS_CMP
>> 2366 bool "MIPS CMP framework support (DEPRECATED)"
>> 2367 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2368 select SMP
>> 2369 select SYNC_R4K
>> 2370 select SYS_SUPPORTS_SMP
>> 2371 select WEAK_ORDERING
>> 2372 default n
>> 2373 help
>> 2374 Select this if you are using a bootloader which implements the "CMP
>> 2375 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2376 its ability to start secondary CPUs.
>> 2377
>> 2378 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2379 instead of this.
2281 2380
2282 config MIPS_CPS 2381 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2382 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2383 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2384 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2385 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2386 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2387 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2388 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2389 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2390 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2391 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2392 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2393 help
2296 Select this if you wish to run an S 2394 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2395 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2396 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2397 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2398 support is unavailable.
2301 2399
2302 config MIPS_CPS_PM 2400 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2401 depends on MIPS_CPS
2304 bool 2402 bool
2305 2403
2306 config MIPS_CM 2404 config MIPS_CM
2307 bool 2405 bool
2308 select MIPS_CPC 2406 select MIPS_CPC
2309 2407
2310 config MIPS_CPC 2408 config MIPS_CPC
2311 bool 2409 bool
2312 2410
2313 config SB1_PASS_2_WORKAROUNDS 2411 config SB1_PASS_2_WORKAROUNDS
2314 bool 2412 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2413 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2414 default y
2317 2415
2318 config SB1_PASS_2_1_WORKAROUNDS 2416 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2417 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2418 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2419 default y
2322 2420
2323 choice 2421 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2422 prompt "SmartMIPS or microMIPS ASE support"
2325 2423
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2424 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2425 bool "None"
2328 help 2426 help
2329 Select this if you want neither mic 2427 Select this if you want neither microMIPS nor SmartMIPS support
2330 2428
2331 config CPU_HAS_SMARTMIPS 2429 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2430 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2431 bool "SmartMIPS"
2334 help 2432 help
2335 SmartMIPS is a extension of the MIP 2433 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2434 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2435 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2436 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2437 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2438 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2439 here.
2342 2440
2343 config CPU_MICROMIPS 2441 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2442 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2443 bool "microMIPS"
2346 help 2444 help
2347 When this option is enabled the ker 2445 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2446 microMIPS ISA
2349 2447
2350 endchoice 2448 endchoice
2351 2449
2352 config CPU_HAS_MSA 2450 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2451 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2452 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2453 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2454 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2455 help
2358 MIPS SIMD Architecture (MSA) introd 2456 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2457 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2458 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2459 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2460 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2461 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2462 the size & complexity of your kernel.
2365 2463
2366 If unsure, say Y. 2464 If unsure, say Y.
2367 2465
2368 config CPU_HAS_WB 2466 config CPU_HAS_WB
2369 bool 2467 bool
2370 2468
2371 config XKS01 2469 config XKS01
2372 bool 2470 bool
2373 2471
2374 config CPU_HAS_DIEI 2472 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2473 depends on !CPU_DIEI_BROKEN
2376 bool 2474 bool
2377 2475
2378 config CPU_DIEI_BROKEN 2476 config CPU_DIEI_BROKEN
2379 bool 2477 bool
2380 2478
2381 config CPU_HAS_RIXI 2479 config CPU_HAS_RIXI
2382 bool 2480 bool
2383 2481
2384 config CPU_NO_LOAD_STORE_LR 2482 config CPU_NO_LOAD_STORE_LR
2385 bool 2483 bool
2386 help 2484 help
2387 CPU lacks support for unaligned loa 2485 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2486 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2487 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2488 systems).
2391 2489
2392 # 2490 #
2393 # Vectored interrupt mode is an R2 feature 2491 # Vectored interrupt mode is an R2 feature
2394 # 2492 #
2395 config CPU_MIPSR2_IRQ_VI 2493 config CPU_MIPSR2_IRQ_VI
2396 bool 2494 bool
2397 2495
2398 # 2496 #
2399 # Extended interrupt mode is an R2 feature 2497 # Extended interrupt mode is an R2 feature
2400 # 2498 #
2401 config CPU_MIPSR2_IRQ_EI 2499 config CPU_MIPSR2_IRQ_EI
2402 bool 2500 bool
2403 2501
2404 config CPU_HAS_SYNC 2502 config CPU_HAS_SYNC
2405 bool 2503 bool
2406 depends on !CPU_R3000 2504 depends on !CPU_R3000
2407 default y 2505 default y
2408 2506
2409 # 2507 #
2410 # CPU non-features 2508 # CPU non-features
2411 # 2509 #
2412 2510
2413 # Work around the "daddi" and "daddiu" CPU er 2511 # Work around the "daddi" and "daddiu" CPU errata:
2414 # 2512 #
2415 # - The `daddi' instruction fails to trap on 2513 # - The `daddi' instruction fails to trap on overflow.
2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2514 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 # erratum #23 2515 # erratum #23
2418 # 2516 #
2419 # - The `daddiu' instruction can produce an i 2517 # - The `daddiu' instruction can produce an incorrect result.
2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2518 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 # erratum #41 2519 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision 2520 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 # #15 2521 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2522 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 # "MIPS R4400MC Errata, Processor Revision 2523 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS 2524 config CPU_DADDI_WORKAROUNDS
2427 bool 2525 bool
2428 2526
2429 # Work around certain R4000 CPU errata (as im 2527 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 # 2528 #
2431 # - A double-word or a variable shift may giv 2529 # - A double-word or a variable shift may give an incorrect result
2432 # if executed immediately after starting an 2530 # if executed immediately after starting an integer division:
2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2531 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 # erratum #28 2532 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision 2533 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 # #19 2534 # #19
2437 # 2535 #
2438 # - A double-word or a variable shift may giv 2536 # - A double-word or a variable shift may give an incorrect result
2439 # if executed while an integer multiplicati 2537 # if executed while an integer multiplication is in progress:
2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2538 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 # errata #16 & #28 2539 # errata #16 & #28
2442 # 2540 #
2443 # - An integer division may give an incorrect 2541 # - An integer division may give an incorrect result if started in
2444 # a delay slot of a taken branch or a jump: 2542 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2543 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 # erratum #52 2544 # erratum #52
2447 config CPU_R4000_WORKAROUNDS 2545 config CPU_R4000_WORKAROUNDS
2448 bool 2546 bool
2449 select CPU_R4400_WORKAROUNDS 2547 select CPU_R4400_WORKAROUNDS
2450 2548
2451 # Work around certain R4400 CPU errata (as im 2549 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 # 2550 #
2453 # - A double-word or a variable shift may giv 2551 # - A double-word or a variable shift may give an incorrect result
2454 # if executed immediately after starting an 2552 # if executed immediately after starting an integer division:
2455 # "MIPS R4400MC Errata, Processor Revision 2553 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 # "MIPS R4400MC Errata, Processor Revision 2554 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS 2555 config CPU_R4400_WORKAROUNDS
2458 bool 2556 bool
2459 2557
2460 config CPU_R4X00_BUGS64 2558 config CPU_R4X00_BUGS64
2461 bool 2559 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2560 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2561
2464 config MIPS_ASID_SHIFT 2562 config MIPS_ASID_SHIFT
2465 int 2563 int
2466 default 6 if CPU_R3000 2564 default 6 if CPU_R3000
2467 default 0 2565 default 0
2468 2566
2469 config MIPS_ASID_BITS 2567 config MIPS_ASID_BITS
2470 int 2568 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2569 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 2570 default 6 if CPU_R3000
2473 default 8 2571 default 8
2474 2572
2475 config MIPS_ASID_BITS_VARIABLE 2573 config MIPS_ASID_BITS_VARIABLE
2476 bool 2574 bool
2477 2575
2478 config MIPS_CRC_SUPPORT 2576 config MIPS_CRC_SUPPORT
2479 bool 2577 bool
2480 2578
2481 # R4600 erratum. Due to the lack of errata i 2579 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2580 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2581 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2582 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2583 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2584 bool
2487 2585
2488 # Pleasures of the R4600 V1.x. Cite from the 2586 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2587 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2588 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2589 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2590 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2591 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2592 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2593 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2594 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2595 # four instructions that are not any kind of load or store
2498 # instruction. 2596 # instruction.
2499 # 2597 #
2500 # This is not allowed: lw 2598 # This is not allowed: lw
2501 # nop 2599 # nop
2502 # nop 2600 # nop
2503 # nop 2601 # nop
2504 # cache Hi 2602 # cache Hit_Writeback_Invalidate_D
2505 # 2603 #
2506 # This is allowed: lw 2604 # This is allowed: lw
2507 # nop 2605 # nop
2508 # nop 2606 # nop
2509 # nop 2607 # nop
2510 # nop 2608 # nop
2511 # cache Hi 2609 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2610 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2611 bool
2514 2612
2515 # Writeback and invalidate the primary cache 2613 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2614 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2615 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2616 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2617 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2618 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2619 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2620 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2621 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2622 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2623 bool
2526 2624
2527 # From TX49/H2 manual: "If the instruction (i 2625 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2626 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2627 # operation is not guaranteed."
2530 # 2628 #
2531 # Workaround: do two phase flushing for Index 2629 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2630 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2631 bool
2534 2632
2535 # The RM7000 processors and the E9000 cores h 2633 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2634 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2635 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2636 # exceptions.
2539 config WAR_ICACHE_REFILLS 2637 config WAR_ICACHE_REFILLS
2540 bool 2638 bool
2541 2639
2542 # On the R10000 up to version 2.6 (not sure a 2640 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2543 # may cause ll / sc and lld / scd sequences t 2641 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2642 config WAR_R10000_LLSC
2545 bool 2643 bool
2546 2644
2547 # 34K core erratum: "Problems Executing the T 2645 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2646 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2647 bool
2550 2648
2551 # 2649 #
2552 # - Highmem only makes sense for the 32-bit k 2650 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2651 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2652 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2653 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2654 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2655 # 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 2656 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2657 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2658 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2659 # know they might have memory configurations that could make use of highmem
2562 # support. 2660 # support.
2563 # 2661 #
2564 config HIGHMEM 2662 config HIGHMEM
2565 bool "High Memory Support" 2663 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2664 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2665 select KMAP_LOCAL
2568 2666
2569 config CPU_SUPPORTS_HIGHMEM 2667 config CPU_SUPPORTS_HIGHMEM
2570 bool 2668 bool
2571 2669
2572 config SYS_SUPPORTS_HIGHMEM 2670 config SYS_SUPPORTS_HIGHMEM
2573 bool 2671 bool
2574 2672
2575 config SYS_SUPPORTS_SMARTMIPS 2673 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2674 bool
2577 2675
2578 config SYS_SUPPORTS_MICROMIPS 2676 config SYS_SUPPORTS_MICROMIPS
2579 bool 2677 bool
2580 2678
2581 config SYS_SUPPORTS_MIPS16 2679 config SYS_SUPPORTS_MIPS16
2582 bool 2680 bool
2583 help 2681 help
2584 This option must be set if a kernel 2682 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2683 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2684 words, it makes the kernel MIPS16-tolerant.
2587 2685
2588 config CPU_SUPPORTS_MSA 2686 config CPU_SUPPORTS_MSA
2589 bool 2687 bool
2590 2688
2591 config ARCH_FLATMEM_ENABLE 2689 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2690 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2691 depends on !NUMA && !CPU_LOONGSON2EF
2594 2692
2595 config ARCH_SPARSEMEM_ENABLE 2693 config ARCH_SPARSEMEM_ENABLE
2596 bool 2694 bool
>> 2695 select SPARSEMEM_STATIC if !SGI_IP27
2597 2696
2598 config NUMA 2697 config NUMA
2599 bool "NUMA Support" 2698 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2699 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2700 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2701 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2702 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2703 help
2605 Say Y to compile the kernel to supp 2704 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2705 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2706 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2707 leave it disabled; on single node systems leave this option
2609 disabled. 2708 disabled.
2610 2709
2611 config SYS_SUPPORTS_NUMA 2710 config SYS_SUPPORTS_NUMA
2612 bool 2711 bool
2613 2712
>> 2713 config HAVE_ARCH_NODEDATA_EXTENSION
>> 2714 bool
>> 2715
2614 config RELOCATABLE 2716 config RELOCATABLE
2615 bool "Relocatable kernel" 2717 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2718 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2719 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2720 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2721 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2722 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2723 CPU_LOONGSON64
2622 help 2724 help
2623 This builds a kernel image that ret 2725 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2726 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2727 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2728 but are discarded at runtime
2627 2729
2628 config RELOCATION_TABLE_SIZE 2730 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2731 hex "Relocation table size"
2630 depends on RELOCATABLE 2732 depends on RELOCATABLE
2631 range 0x0 0x01000000 2733 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2734 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2735 default "0x00100000"
2634 help 2736 help
2635 A table of relocation data will be 2737 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2738 and parsed at boot to fix up the relocated kernel.
2637 2739
2638 This option allows the amount of sp 2740 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2741 adjusted, although the default of 1Mb should be ok in most cases.
2640 2742
2641 The build will fail and a valid siz 2743 The build will fail and a valid size suggested if this is too small.
2642 2744
2643 If unsure, leave at the default val 2745 If unsure, leave at the default value.
2644 2746
2645 config RANDOMIZE_BASE 2747 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2748 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2749 depends on RELOCATABLE
2648 help 2750 help
2649 Randomizes the physical and virtual 2751 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2752 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2753 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2754 of kernel internals.
2653 2755
2654 Entropy is generated using any copr 2756 Entropy is generated using any coprocessor 0 registers available.
2655 2757
2656 The kernel will be offset by up to 2758 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2759
2658 If unsure, say N. 2760 If unsure, say N.
2659 2761
2660 config RANDOMIZE_BASE_MAX_OFFSET 2762 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2763 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2764 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2765 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2766 range 0x0 0x08000000
2665 default "0x01000000" 2767 default "0x01000000"
2666 help 2768 help
2667 When kASLR is active, this provides 2769 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2770 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2771 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2772 PHYSICAL_START and must be a power of 2.
2671 2773
2672 This is limited by the size of KSEG 2774 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2775 EVA or 64-bit. The default is 16Mb.
2674 2776
2675 config NODES_SHIFT 2777 config NODES_SHIFT
2676 int 2778 int
2677 default "6" 2779 default "6"
2678 depends on NUMA 2780 depends on NUMA
2679 2781
2680 config HW_PERF_EVENTS 2782 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2783 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2784 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2785 default y
2684 help 2786 help
2685 Enable hardware performance counter 2787 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2788 disabled, perf events will use software events only.
2687 2789
2688 config DMI 2790 config DMI
2689 bool "Enable DMI scanning" 2791 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2792 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2793 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2794 default y
2693 help 2795 help
2694 Enabled scanning of DMI to identify 2796 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2797 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2798 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2799 BIOS code.
2698 2800
2699 config SMP 2801 config SMP
2700 bool "Multi-Processing support" 2802 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2803 depends on SYS_SUPPORTS_SMP
2702 help 2804 help
2703 This enables support for systems wi 2805 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2806 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2807 than one CPU, say Y.
2706 2808
2707 If you say N here, the kernel will 2809 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2810 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2811 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2812 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2813 will run faster if you say N here.
2712 2814
2713 People using multiprocessor machine 2815 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2816 Y to "Enhanced Real Time Clock Support", below.
2715 2817
2716 See also the SMP-HOWTO available at 2818 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2819 <https://www.tldp.org/docs.html#howto>.
2718 2820
2719 If you don't know what to do here, 2821 If you don't know what to do here, say N.
2720 2822
2721 config HOTPLUG_CPU 2823 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2824 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2825 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2826 help
2725 Say Y here to allow turning CPUs of 2827 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2828 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2829 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2830 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2831 Say N if you want to disable CPU hotplug.
2730 2832
2731 config SMP_UP 2833 config SMP_UP
2732 bool 2834 bool
2733 2835
>> 2836 config SYS_SUPPORTS_MIPS_CMP
>> 2837 bool
>> 2838
2734 config SYS_SUPPORTS_MIPS_CPS 2839 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2840 bool
2736 2841
2737 config SYS_SUPPORTS_SMP 2842 config SYS_SUPPORTS_SMP
2738 bool 2843 bool
2739 2844
2740 config NR_CPUS_DEFAULT_4 2845 config NR_CPUS_DEFAULT_4
2741 bool 2846 bool
2742 2847
2743 config NR_CPUS_DEFAULT_8 2848 config NR_CPUS_DEFAULT_8
2744 bool 2849 bool
2745 2850
2746 config NR_CPUS_DEFAULT_16 2851 config NR_CPUS_DEFAULT_16
2747 bool 2852 bool
2748 2853
2749 config NR_CPUS_DEFAULT_32 2854 config NR_CPUS_DEFAULT_32
2750 bool 2855 bool
2751 2856
2752 config NR_CPUS_DEFAULT_64 2857 config NR_CPUS_DEFAULT_64
2753 bool 2858 bool
2754 2859
2755 config NR_CPUS 2860 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2861 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2862 range 2 256
2758 depends on SMP 2863 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2864 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2865 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2866 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2867 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2868 default "64" if NR_CPUS_DEFAULT_64
2764 help 2869 help
2765 This allows you to specify the maxi 2870 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2871 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2872 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2873 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2874 and 2 for all others.
2770 2875
2771 This is purely to save memory - eac 2876 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2877 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2878 performance should round up your number of processors to the next
2774 power of two. 2879 power of two.
2775 2880
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2881 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2882 bool
2778 2883
2779 config MIPS_NR_CPU_NR_MAP_1024 2884 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2885 bool
2781 2886
2782 config MIPS_NR_CPU_NR_MAP 2887 config MIPS_NR_CPU_NR_MAP
2783 int 2888 int
2784 depends on SMP 2889 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2890 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2891 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2892
2788 # 2893 #
2789 # Timer Interrupt Frequency Configuration 2894 # Timer Interrupt Frequency Configuration
2790 # 2895 #
2791 2896
2792 choice 2897 choice
2793 prompt "Timer frequency" 2898 prompt "Timer frequency"
2794 default HZ_250 2899 default HZ_250
2795 help 2900 help
2796 Allows the configuration of the tim 2901 Allows the configuration of the timer frequency.
2797 2902
2798 config HZ_24 2903 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2904 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2905
2801 config HZ_48 2906 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2907 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2908
2804 config HZ_100 2909 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2910 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2911
2807 config HZ_128 2912 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2913 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2914
2810 config HZ_250 2915 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2916 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2917
2813 config HZ_256 2918 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2919 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2920
2816 config HZ_1000 2921 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2922 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2923
2819 config HZ_1024 2924 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2925 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2926
2822 endchoice 2927 endchoice
2823 2928
2824 config SYS_SUPPORTS_24HZ 2929 config SYS_SUPPORTS_24HZ
2825 bool 2930 bool
2826 2931
2827 config SYS_SUPPORTS_48HZ 2932 config SYS_SUPPORTS_48HZ
2828 bool 2933 bool
2829 2934
2830 config SYS_SUPPORTS_100HZ 2935 config SYS_SUPPORTS_100HZ
2831 bool 2936 bool
2832 2937
2833 config SYS_SUPPORTS_128HZ 2938 config SYS_SUPPORTS_128HZ
2834 bool 2939 bool
2835 2940
2836 config SYS_SUPPORTS_250HZ 2941 config SYS_SUPPORTS_250HZ
2837 bool 2942 bool
2838 2943
2839 config SYS_SUPPORTS_256HZ 2944 config SYS_SUPPORTS_256HZ
2840 bool 2945 bool
2841 2946
2842 config SYS_SUPPORTS_1000HZ 2947 config SYS_SUPPORTS_1000HZ
2843 bool 2948 bool
2844 2949
2845 config SYS_SUPPORTS_1024HZ 2950 config SYS_SUPPORTS_1024HZ
2846 bool 2951 bool
2847 2952
2848 config SYS_SUPPORTS_ARBIT_HZ 2953 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2954 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2955 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2956 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2957 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2958 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2959 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2960 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2961 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2962 !SYS_SUPPORTS_1024HZ
2858 2963
2859 config HZ 2964 config HZ
2860 int 2965 int
2861 default 24 if HZ_24 2966 default 24 if HZ_24
2862 default 48 if HZ_48 2967 default 48 if HZ_48
2863 default 100 if HZ_100 2968 default 100 if HZ_100
2864 default 128 if HZ_128 2969 default 128 if HZ_128
2865 default 250 if HZ_250 2970 default 250 if HZ_250
2866 default 256 if HZ_256 2971 default 256 if HZ_256
2867 default 1000 if HZ_1000 2972 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2973 default 1024 if HZ_1024
2869 2974
2870 config SCHED_HRTICK 2975 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2976 def_bool HIGH_RES_TIMERS
2872 2977
2873 config ARCH_SUPPORTS_KEXEC !! 2978 config KEXEC
2874 def_bool y !! 2979 bool "Kexec system call"
2875 !! 2980 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2981 help
2877 def_bool y !! 2982 kexec is a system call that implements the ability to shutdown your
>> 2983 current kernel, and to start another kernel. It is like a reboot
>> 2984 but it is independent of the system firmware. And like a reboot
>> 2985 you can start any kernel with it, not just Linux.
>> 2986
>> 2987 The name comes from the similarity to the exec system call.
>> 2988
>> 2989 It is an ongoing process to be certain the hardware in a machine
>> 2990 is properly shutdown, so do not be surprised if this code does not
>> 2991 initially work for you. As of this writing the exact hardware
>> 2992 interface is strongly in flux, so no good recommendation can be
>> 2993 made.
>> 2994
>> 2995 config CRASH_DUMP
>> 2996 bool "Kernel crash dumps"
>> 2997 help
>> 2998 Generate crash dump after being started by kexec.
>> 2999 This should be normally only set in special crash dump kernels
>> 3000 which are loaded in the main kernel with kexec-tools into
>> 3001 a specially reserved region and then later executed after
>> 3002 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3003 to a memory address not used by the main kernel or firmware using
>> 3004 PHYSICAL_START.
2878 3005
2879 config PHYSICAL_START 3006 config PHYSICAL_START
2880 hex "Physical address where the kerne 3007 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3008 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3009 depends on CRASH_DUMP
2883 help 3010 help
2884 This gives the CKSEG0 or KSEG0 addr 3011 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3012 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3013 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3014 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3015 passed to the panic-ed kernel).
2889 3016
2890 config MIPS_O32_FP64_SUPPORT 3017 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3018 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3019 depends on 32BIT || MIPS32_O32
2893 help 3020 help
2894 When this is enabled, the kernel wi 3021 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3022 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3023 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3024 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3025 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3026 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3027 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3028 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3029 saying N here.
2903 3030
2904 Although binutils currently support 3031 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3032 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3033 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3034 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3035 be considered experimental and only enabled by those working upon
2909 said details. 3036 said details.
2910 3037
2911 If unsure, say N. 3038 If unsure, say N.
2912 3039
2913 config USE_OF 3040 config USE_OF
2914 bool 3041 bool
2915 select OF 3042 select OF
2916 select OF_EARLY_FLATTREE 3043 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3044 select IRQ_DOMAIN
2918 3045
2919 config UHI_BOOT 3046 config UHI_BOOT
2920 bool 3047 bool
2921 3048
2922 config BUILTIN_DTB 3049 config BUILTIN_DTB
2923 bool 3050 bool
2924 3051
2925 choice 3052 choice
2926 prompt "Kernel appended dtb support" !! 3053 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3054 default MIPS_NO_APPENDED_DTB
2929 3055
2930 config MIPS_NO_APPENDED_DTB 3056 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3057 bool "None"
2932 help 3058 help
2933 Do not enable appended dtb 3059 Do not enable appended dtb support.
2934 3060
2935 config MIPS_ELF_APPENDED_DTB 3061 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3062 bool "vmlinux"
2937 help 3063 help
2938 With this option, the boot 3064 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3065 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3066 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3067 objcopy:
2942 3068
2943 objcopy --update-section 3069 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3070
2945 This is meant as a backward 3071 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3072 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3073 the documented boot protocol using a device tree.
2948 3074
2949 config MIPS_RAW_APPENDED_DTB 3075 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3076 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3077 help
2952 With this option, the boot 3078 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3079 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3080 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3081
2956 This is meant as a backward 3082 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3083 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3084 the documented boot protocol using a device tree.
2959 3085
2960 Beware that there is very l 3086 Beware that there is very little in terms of protection against
2961 this option being confused 3087 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3088 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3089 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3090 if you don't intend to always append a DTB.
2965 endchoice 3091 endchoice
2966 3092
2967 choice 3093 choice
2968 prompt "Kernel command line type" !! 3094 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3095 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3096 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3097 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3098 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3099
2975 config MIPS_CMDLINE_FROM_DTB 3100 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3101 depends on USE_OF
2977 bool "Dtb kernel arguments if 3102 bool "Dtb kernel arguments if available"
2978 3103
2979 config MIPS_CMDLINE_DTB_EXTEND 3104 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3105 depends on USE_OF
2981 bool "Extend dtb kernel argum 3106 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3107
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3108 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3109 bool "Bootloader kernel arguments if available"
2985 3110
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3111 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3112 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3113 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3114 endchoice
2990 3115
2991 endmenu 3116 endmenu
2992 3117
2993 config LOCKDEP_SUPPORT 3118 config LOCKDEP_SUPPORT
2994 bool 3119 bool
2995 default y 3120 default y
2996 3121
2997 config STACKTRACE_SUPPORT 3122 config STACKTRACE_SUPPORT
2998 bool 3123 bool
2999 default y 3124 default y
3000 3125
3001 config PGTABLE_LEVELS 3126 config PGTABLE_LEVELS
3002 int 3127 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3128 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3129 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3130 default 2
3006 3131
3007 config MIPS_AUTO_PFN_OFFSET 3132 config MIPS_AUTO_PFN_OFFSET
3008 bool 3133 bool
3009 3134
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3135 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3136
3012 config PCI_DRIVERS_GENERIC 3137 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3138 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3139 bool
3015 3140
3016 config PCI_DRIVERS_LEGACY 3141 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3142 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3143 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3144 select PCI_DOMAINS if PCI
3020 3145
3021 # 3146 #
3022 # ISA support is now enabled via select. Too 3147 # 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 3148 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3149 # users to choose the right thing ...
3025 # 3150 #
3026 config ISA 3151 config ISA
3027 bool 3152 bool
3028 3153
3029 config TC 3154 config TC
3030 bool "TURBOchannel support" 3155 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3156 depends on MACH_DECSTATION
3032 help 3157 help
3033 TURBOchannel is a DEC (now Compaq ( 3158 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3159 processors. TURBOchannel programming specifications are available
3035 at: 3160 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3161 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3162 and:
3038 <http://www.computer-refuge.org/cla 3163 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3164 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3165 <http://www.linux-mips.org/wiki/DECstation>
3041 3166
3042 config MMU 3167 config MMU
3043 bool 3168 bool
3044 default y 3169 default y
3045 3170
3046 config ARCH_MMAP_RND_BITS_MIN 3171 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3172 default 12 if 64BIT
3048 default 8 3173 default 8
3049 3174
3050 config ARCH_MMAP_RND_BITS_MAX 3175 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3176 default 18 if 64BIT
3052 default 15 3177 default 15
3053 3178
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3179 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3180 default 8
3056 3181
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3182 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3183 default 15
3059 3184
3060 config I8253 3185 config I8253
3061 bool 3186 bool
3062 select CLKSRC_I8253 3187 select CLKSRC_I8253
3063 select CLKEVT_I8253 3188 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3189 select MIPS_EXTERNAL_TIMER
3065 endmenu 3190 endmenu
3066 3191
3067 config TRAD_SIGNALS 3192 config TRAD_SIGNALS
3068 bool 3193 bool
3069 3194
3070 config MIPS32_COMPAT 3195 config MIPS32_COMPAT
3071 bool 3196 bool
3072 3197
3073 config COMPAT 3198 config COMPAT
3074 bool 3199 bool
3075 3200
>> 3201 config SYSVIPC_COMPAT
>> 3202 bool
>> 3203
3076 config MIPS32_O32 3204 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3205 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3206 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3207 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3208 select COMPAT
3081 select MIPS32_COMPAT 3209 select MIPS32_COMPAT
>> 3210 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3211 help
3083 Select this option if you want to r 3212 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3213 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3214 existing binaries are in this format.
3086 3215
3087 If unsure, say Y. 3216 If unsure, say Y.
3088 3217
3089 config MIPS32_N32 3218 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3219 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3220 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3221 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3222 select COMPAT
3094 select MIPS32_COMPAT 3223 select MIPS32_COMPAT
>> 3224 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3225 help
3096 Select this option if you want to r 3226 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3227 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3228 data that would normally be 64-bit. They are used in special
3099 cases. 3229 cases.
3100 3230
3101 If unsure, say N. 3231 If unsure, say N.
3102 3232
3103 config CC_HAS_MNO_BRANCH_LIKELY 3233 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y 3234 def_bool y
3105 depends on $(cc-option,-mno-branch-li 3235 depends on $(cc-option,-mno-branch-likely)
3106 3236
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 <<
3111 menu "Power management options" 3237 menu "Power management options"
3112 3238
3113 config ARCH_HIBERNATION_POSSIBLE 3239 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3240 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3241 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3242
3117 config ARCH_SUSPEND_POSSIBLE 3243 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3244 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3245 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3246
3121 source "kernel/power/Kconfig" 3247 source "kernel/power/Kconfig"
3122 3248
3123 endmenu 3249 endmenu
3124 3250
3125 config MIPS_EXTERNAL_TIMER 3251 config MIPS_EXTERNAL_TIMER
3126 bool 3252 bool
3127 3253
3128 menu "CPU Power Management" 3254 menu "CPU Power Management"
3129 3255
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3256 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3257 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3258 endif
3133 3259
3134 source "drivers/cpuidle/Kconfig" 3260 source "drivers/cpuidle/Kconfig"
3135 3261
3136 endmenu 3262 endmenu
3137 3263
3138 source "arch/mips/kvm/Kconfig" 3264 source "arch/mips/kvm/Kconfig"
3139 3265
3140 source "arch/mips/vdso/Kconfig" 3266 source "arch/mips/vdso/Kconfig"
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