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