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_PXX_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 !! 85 select HAVE_PATA_PLATFORM
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 86 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 87 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 88 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 89 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 90 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 91 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 92 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 93 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 94 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 95 select IRQ_FORCED_THREADING
99 select ISA if EISA 96 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA 97 select LOCK_MM_AND_FIND_VMA
101 select MODULES_USE_ELF_REL if MODULES 98 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 99 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 100 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 101 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 102 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 103 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 104 select TRACE_IRQFLAGS_SUPPORT
108 select ARCH_HAS_ELFCORE_COMPAT 105 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT 106 select HAVE_ARCH_KCSAN if 64BIT
110 107
111 config MIPS_FIXUP_BIGPHYS_ADDR 108 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 109 bool
113 110
114 config MIPS_GENERIC 111 config MIPS_GENERIC
115 bool 112 bool
116 113
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 114 config MACH_INGENIC
121 bool 115 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 116 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 117 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 118 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 119 select DMA_NONCOHERENT
>> 120 select ARCH_HAS_SYNC_DMA_FOR_CPU
126 select IRQ_MIPS_CPU 121 select IRQ_MIPS_CPU
127 select PINCTRL 122 select PINCTRL
128 select GPIOLIB 123 select GPIOLIB
129 select COMMON_CLK 124 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 125 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 126 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 127 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 128 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 129 select MIPS_EXTERNAL_TIMER
135 130
136 menu "Machine selection" 131 menu "Machine selection"
137 132
138 choice 133 choice
139 prompt "System type" 134 prompt "System type"
140 default MIPS_GENERIC_KERNEL 135 default MIPS_GENERIC_KERNEL
141 136
142 config MIPS_GENERIC_KERNEL 137 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 138 bool "Generic board-agnostic MIPS kernel"
>> 139 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 140 select MIPS_GENERIC
145 select BOOT_RAW 141 select BOOT_RAW
146 select BUILTIN_DTB 142 select BUILTIN_DTB
147 select CEVT_R4K 143 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 144 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 145 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 146 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 147 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 148 select CSRC_R4K
153 select DMA_NONCOHERENT 149 select DMA_NONCOHERENT
154 select HAVE_PCI 150 select HAVE_PCI
155 select IRQ_MIPS_CPU 151 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 152 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 153 select MIPS_CPU_SCACHE
159 select MIPS_GIC 154 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 155 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 156 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 157 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 158 select SMP_UP if SMP
164 select SWAP_IO_SPACE 159 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 160 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 161 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 162 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 163 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 164 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 165 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 166 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 167 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 168 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 169 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 170 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 171 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 172 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 173 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 174 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 175 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 176 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 177 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 178 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 179 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 181 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 182 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 183 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 184 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 185 select USE_OF
193 help 186 help
194 Select this to build a kernel which 187 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 188 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 189 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 190 Interface) specification.
198 191
199 config MIPS_ALCHEMY 192 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 193 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 194 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 195 select CEVT_R4K
203 select CSRC_R4K 196 select CSRC_R4K
204 select IRQ_MIPS_CPU 197 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 198 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 199 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 200 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 201 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 202 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 203 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 204 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 205 select COMMON_CLK
213 206
>> 207 config AR7
>> 208 bool "Texas Instruments AR7"
>> 209 select BOOT_ELF32
>> 210 select COMMON_CLK
>> 211 select DMA_NONCOHERENT
>> 212 select CEVT_R4K
>> 213 select CSRC_R4K
>> 214 select IRQ_MIPS_CPU
>> 215 select NO_EXCEPT_FILL
>> 216 select SWAP_IO_SPACE
>> 217 select SYS_HAS_CPU_MIPS32_R1
>> 218 select SYS_HAS_EARLY_PRINTK
>> 219 select SYS_SUPPORTS_32BIT_KERNEL
>> 220 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 221 select SYS_SUPPORTS_MIPS16
>> 222 select SYS_SUPPORTS_ZBOOT_UART16550
>> 223 select GPIOLIB
>> 224 select VLYNQ
>> 225 help
>> 226 Support for the Texas Instruments AR7 System-on-a-Chip
>> 227 family: TNETD7100, 7200 and 7300.
>> 228
214 config ATH25 229 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 230 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 231 select CEVT_R4K
217 select CSRC_R4K 232 select CSRC_R4K
218 select DMA_NONCOHERENT 233 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 234 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 235 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 236 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 237 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 238 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 239 select SYS_HAS_EARLY_PRINTK
225 help 240 help
226 Support for Atheros AR231x and Ather 241 Support for Atheros AR231x and Atheros AR531x based boards
227 242
228 config ATH79 243 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 244 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 245 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 246 select BOOT_RAW
232 select CEVT_R4K 247 select CEVT_R4K
233 select CSRC_R4K 248 select CSRC_R4K
234 select DMA_NONCOHERENT 249 select DMA_NONCOHERENT
235 select GPIOLIB 250 select GPIOLIB
236 select PINCTRL 251 select PINCTRL
237 select COMMON_CLK 252 select COMMON_CLK
238 select IRQ_MIPS_CPU 253 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 254 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 255 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 256 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 257 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 258 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 259 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 260 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 261 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 262 help
248 Support for the Atheros AR71XX/AR724 263 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 264
250 config BMIPS_GENERIC 265 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 266 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 267 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 268 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW 269 select BOOT_RAW
255 select NO_EXCEPT_FILL 270 select NO_EXCEPT_FILL
256 select USE_OF 271 select USE_OF
257 select CEVT_R4K 272 select CEVT_R4K
258 select CSRC_R4K 273 select CSRC_R4K
259 select SYNC_R4K 274 select SYNC_R4K
260 select COMMON_CLK 275 select COMMON_CLK
261 select BCM6345_L1_IRQ 276 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 277 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 278 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 279 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 280 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 281 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 282 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 283 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 284 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 285 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 286 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 287 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 288 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 289 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 290 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 291 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 292 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 293 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 294 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 295 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 296 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 297 select PCI_DRIVERS_GENERIC
283 select FW_CFE 298 select FW_CFE
284 help 299 help
285 Build a generic DT-based kernel imag 300 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 301 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 302 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 303 must be set appropriately for your board.
289 304
290 config BCM47XX 305 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 306 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 307 select BOOT_RAW
293 select CEVT_R4K 308 select CEVT_R4K
294 select CSRC_R4K 309 select CSRC_R4K
295 select DMA_NONCOHERENT 310 select DMA_NONCOHERENT
296 select HAVE_PCI 311 select HAVE_PCI
297 select IRQ_MIPS_CPU 312 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 313 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 314 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 315 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 316 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 317 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 318 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 319 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 320 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 321 select GPIOLIB
307 select LEDS_GPIO_REGISTER 322 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 323 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 324 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 325 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 326 help
312 Support for BCM47XX based boards 327 Support for BCM47XX based boards
313 328
314 config BCM63XX 329 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 330 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 331 select BOOT_RAW
317 select CEVT_R4K 332 select CEVT_R4K
318 select CSRC_R4K 333 select CSRC_R4K
319 select SYNC_R4K 334 select SYNC_R4K
320 select DMA_NONCOHERENT 335 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 336 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 337 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 338 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 339 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 340 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 341 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 342 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 343 select SWAP_IO_SPACE
329 select GPIOLIB 344 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 345 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 346 select HAVE_LEGACY_CLK
332 help 347 help
333 Support for BCM63XX based boards 348 Support for BCM63XX based boards
334 349
335 config MIPS_COBALT 350 config MIPS_COBALT
336 bool "Cobalt Server" 351 bool "Cobalt Server"
337 select CEVT_R4K 352 select CEVT_R4K
338 select CSRC_R4K 353 select CSRC_R4K
339 select CEVT_GT641XX 354 select CEVT_GT641XX
340 select DMA_NONCOHERENT 355 select DMA_NONCOHERENT
341 select FORCE_PCI 356 select FORCE_PCI
342 select I8253 357 select I8253
343 select I8259 358 select I8259
344 select IRQ_MIPS_CPU 359 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 360 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 361 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 362 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 363 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 364 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 365 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 366 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 367 select USE_GENERIC_EARLY_PRINTK_8250
353 368
354 config MACH_DECSTATION 369 config MACH_DECSTATION
355 bool "DECstations" 370 bool "DECstations"
356 select BOOT_ELF32 371 select BOOT_ELF32
357 select CEVT_DS1287 372 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 373 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 374 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 375 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 376 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 377 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 378 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 379 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 380 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 381 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 382 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 383 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 384 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 385 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 386 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 387 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 388 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 389 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 390 select MIPS_L1_CACHE_SHIFT_4
376 help 391 help
377 This enables support for DEC's MIPS 392 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 393 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 394 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 395
381 If you have one of the following DEC 396 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 397 want to choose R4xx0 for the CPU Type:
383 398
384 DECstation 5000/50 399 DECstation 5000/50
385 DECstation 5000/150 400 DECstation 5000/150
386 DECstation 5000/260 401 DECstation 5000/260
387 DECsystem 5900/260 402 DECsystem 5900/260
388 403
389 otherwise choose R3000. 404 otherwise choose R3000.
390 405
391 config MACH_JAZZ 406 config MACH_JAZZ
392 bool "Jazz family of machines" 407 bool "Jazz family of machines"
393 select ARC_MEMORY 408 select ARC_MEMORY
394 select ARC_PROMLIB 409 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 410 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 411 select ARCH_MIGHT_HAVE_PC_SERIO
>> 412 select DMA_OPS
397 select FW_ARC 413 select FW_ARC
398 select FW_ARC32 414 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 415 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 416 select CEVT_R4K
401 select CSRC_R4K 417 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 418 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 419 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 420 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 421 select IRQ_MIPS_CPU
406 select I8253 422 select I8253
407 select I8259 423 select I8259
408 select ISA 424 select ISA
409 select SYS_HAS_CPU_R4X00 425 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 426 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 427 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 428 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 429 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 430 help
415 This a family of machines based on t 431 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 432 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 433 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 434 Olivetti M700-10 workstations.
419 435
420 config MACH_INGENIC_SOC 436 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 437 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 438 select MIPS_GENERIC
423 select MACH_INGENIC 439 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 440 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 441 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 442 select MIPS_EXTERNAL_TIMER
428 443
429 config LANTIQ 444 config LANTIQ
430 bool "Lantiq based platforms" 445 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 446 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 447 select IRQ_MIPS_CPU
433 select CEVT_R4K 448 select CEVT_R4K
434 select CSRC_R4K 449 select CSRC_R4K
435 select NO_EXCEPT_FILL 450 select NO_EXCEPT_FILL
436 select SYS_HAS_CPU_MIPS32_R1 451 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 452 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 453 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 454 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 455 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 456 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 457 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 458 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 459 select GPIOLIB
445 select SWAP_IO_SPACE 460 select SWAP_IO_SPACE
446 select BOOT_RAW 461 select BOOT_RAW
447 select HAVE_LEGACY_CLK 462 select HAVE_LEGACY_CLK
448 select USE_OF 463 select USE_OF
449 select PINCTRL 464 select PINCTRL
450 select PINCTRL_LANTIQ 465 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 466 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 467 select RESET_CONTROLLER
453 468
454 config MACH_LOONGSON32 469 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 470 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 471 select SYS_SUPPORTS_ZBOOT
457 help 472 help
458 This enables support for the Loongso 473 This enables support for the Loongson-1 family of machines.
459 474
460 Loongson-1 is a family of 32-bit MIP 475 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 476 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 477 Sciences (CAS).
463 478
464 config MACH_LOONGSON2EF 479 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 480 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 481 select SYS_SUPPORTS_ZBOOT
467 help 482 help
468 This enables the support of early Lo 483 This enables the support of early Loongson-2E/F family of machines.
469 484
470 config MACH_LOONGSON64 485 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 486 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 487 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 488 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 489 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 490 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 491 select BOOT_ELF32
478 select BOARD_SCACHE 492 select BOARD_SCACHE
479 select CSRC_R4K 493 select CSRC_R4K
480 select CEVT_R4K 494 select CEVT_R4K
481 select SYNC_R4K !! 495 select CPU_HAS_WB
482 select FORCE_PCI 496 select FORCE_PCI
483 select ISA 497 select ISA
484 select I8259 498 select I8259
485 select IRQ_MIPS_CPU 499 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 500 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 501 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 502 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 503 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 504 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 505 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 506 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 507 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 508 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 509 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 510 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 511 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 512 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 513 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 514 select ZONE_DMA32
501 select COMMON_CLK 515 select COMMON_CLK
502 select USE_OF 516 select USE_OF
503 select BUILTIN_DTB 517 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 518 select PCI_HOST_GENERIC
>> 519 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505 help 520 help
506 This enables the support of Loongson 521 This enables the support of Loongson-2/3 family of machines.
507 522
508 Loongson-2 and Loongson-3 are 64-bit 523 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 524 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 525 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 526 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 527
513 config MIPS_MALTA 528 config MIPS_MALTA
514 bool "MIPS Malta board" 529 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 530 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 531 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 532 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 533 select BOOT_ELF32
519 select BOOT_RAW 534 select BOOT_RAW
520 select BUILTIN_DTB 535 select BUILTIN_DTB
521 select CEVT_R4K 536 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 537 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 538 select COMMON_CLK
524 select CSRC_R4K 539 select CSRC_R4K
525 select DMA_NONCOHERENT 540 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 541 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 542 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 543 select HAVE_PCI
529 select I8253 544 select I8253
530 select I8259 545 select I8259
531 select IRQ_MIPS_CPU 546 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 547 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 548 select MIPS_CPU_SCACHE
534 select MIPS_GIC 549 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 550 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 551 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 552 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 553 select SMP_UP if SMP
539 select SWAP_IO_SPACE 554 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 555 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 556 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 557 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 558 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 559 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 560 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 561 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 562 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 563 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 564 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 565 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 566 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 567 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 568 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 569 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 570 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 571 select SYS_SUPPORTS_MIPS16
>> 572 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 573 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 574 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 575 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 576 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 577 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 578 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 579 select USE_OF
564 select WAR_ICACHE_REFILLS 580 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 581 select ZONE_DMA32 if 64BIT
566 help 582 help
567 This enables support for the MIPS Te 583 This enables support for the MIPS Technologies Malta evaluation
568 board. 584 board.
569 585
570 config MACH_PIC32 586 config MACH_PIC32
571 bool "Microchip PIC32 Family" 587 bool "Microchip PIC32 Family"
572 help 588 help
573 This enables support for the Microch 589 This enables support for the Microchip PIC32 family of platforms.
574 590
575 Microchip PIC32 is a family of gener 591 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 592 microcontrollers.
577 593
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 594 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 595 bool "Nintendo 64 console"
624 select CEVT_R4K 596 select CEVT_R4K
625 select CSRC_R4K 597 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 598 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 599 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 600 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 601 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 602 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 603 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 604 select IRQ_MIPS_CPU
633 605
634 config RALINK 606 config RALINK
635 bool "Ralink based machines" 607 bool "Ralink based machines"
636 select CEVT_R4K 608 select CEVT_R4K
637 select COMMON_CLK 609 select COMMON_CLK
638 select CSRC_R4K 610 select CSRC_R4K
639 select BOOT_RAW 611 select BOOT_RAW
640 select DMA_NONCOHERENT 612 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 613 select IRQ_MIPS_CPU
642 select USE_OF 614 select USE_OF
643 select SYS_HAS_CPU_MIPS32_R2 615 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 616 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 617 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 618 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 619 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 620 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 621 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 622 select RESET_CONTROLLER
651 623
652 config MACH_REALTEK_RTL 624 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 625 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 626 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 627 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 628 select IRQ_MIPS_CPU
658 select CSRC_R4K 629 select CSRC_R4K
659 select CEVT_R4K 630 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 631 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 632 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 633 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 634 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 635 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 636 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 637 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 638 select BOOT_RAW
668 select PINCTRL 639 select PINCTRL
669 select USE_OF 640 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 641
672 config SGI_IP22 642 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 643 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 644 select ARC_MEMORY
675 select ARC_PROMLIB 645 select ARC_PROMLIB
676 select FW_ARC 646 select FW_ARC
677 select FW_ARC32 647 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 648 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 649 select BOOT_ELF32
680 select CEVT_R4K 650 select CEVT_R4K
681 select CSRC_R4K 651 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 652 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 653 select DMA_NONCOHERENT
684 select HAVE_EISA 654 select HAVE_EISA
685 select I8253 655 select I8253
686 select I8259 656 select I8259
687 select IP22_CPU_SCACHE 657 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 658 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 659 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 660 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 661 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 662 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 663 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 664 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 665 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 666 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 667 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 668 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 669 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 670 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 671 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 672 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 673 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 674 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 675 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 676 select MIPS_L1_CACHE_SHIFT_7
707 help 677 help
708 This are the SGI Indy, Challenge S a 678 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 679 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 680 that runs on these, say Y here.
711 681
712 config SGI_IP27 682 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 683 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 684 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 685 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 686 select FW_ARC
717 select FW_ARC64 687 select FW_ARC64
718 select ARC_CMDLINE_ONLY 688 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 689 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 690 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 691 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 692 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 693 select HAVE_PCI
724 select IRQ_MIPS_CPU 694 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 695 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 696 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 697 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 698 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 699 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 700 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 701 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 702 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 703 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 704 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 705 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 706 select NUMA
>> 707 select HAVE_ARCH_NODEDATA_EXTENSION
737 help 708 help
738 This are the SGI Origin 200, Origin 709 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 710 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 711 here.
741 712
742 config SGI_IP28 713 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 714 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 715 select ARC_MEMORY
745 select ARC_PROMLIB 716 select ARC_PROMLIB
746 select FW_ARC 717 select FW_ARC
747 select FW_ARC64 718 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 719 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 720 select BOOT_ELF64
750 select CEVT_R4K 721 select CEVT_R4K
751 select CSRC_R4K 722 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 723 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 724 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 725 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 726 select IRQ_MIPS_CPU
756 select HAVE_EISA 727 select HAVE_EISA
757 select I8253 728 select I8253
758 select I8259 729 select I8259
759 select SGI_HAS_I8042 730 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 731 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 732 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 733 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 734 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 735 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 736 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 737 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 738 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 739 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 740 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 741 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 742 select MIPS_L1_CACHE_SHIFT_7
772 help 743 help
773 This is the SGI Indigo2 with R10000 744 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 745 kernel that runs on these, say Y here.
775 746
776 config SGI_IP30 747 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 748 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 749 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 750 select FW_ARC
780 select FW_ARC64 751 select FW_ARC64
781 select BOOT_ELF64 752 select BOOT_ELF64
782 select CEVT_R4K 753 select CEVT_R4K
783 select CSRC_R4K 754 select CSRC_R4K
784 select FORCE_PCI 755 select FORCE_PCI
785 select SYNC_R4K if SMP 756 select SYNC_R4K if SMP
786 select ZONE_DMA32 757 select ZONE_DMA32
787 select HAVE_PCI 758 select HAVE_PCI
788 select IRQ_MIPS_CPU 759 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 760 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 761 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 762 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 763 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 764 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 765 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 766 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 767 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 768 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 769 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 770 select ARC_MEMORY
800 help 771 help
801 These are the SGI Octane and Octane2 772 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 773 compile a Linux kernel that runs on these, say Y here.
803 774
804 config SGI_IP32 775 config SGI_IP32
805 bool "SGI IP32 (O2)" 776 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 777 select ARC_MEMORY
807 select ARC_PROMLIB 778 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 779 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 780 select FW_ARC
810 select FW_ARC32 781 select FW_ARC32
811 select BOOT_ELF32 782 select BOOT_ELF32
812 select CEVT_R4K 783 select CEVT_R4K
813 select CSRC_R4K 784 select CSRC_R4K
814 select DMA_NONCOHERENT 785 select DMA_NONCOHERENT
815 select HAVE_PCI 786 select HAVE_PCI
816 select IRQ_MIPS_CPU 787 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 788 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 789 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 790 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 791 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 792 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 793 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 794 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 795 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 796 select WAR_ICACHE_REFILLS
826 help 797 help
827 If you want this kernel to run on SG 798 If you want this kernel to run on SGI O2 workstation, say Y here.
828 799
>> 800 config SIBYTE_CRHINE
>> 801 bool "Sibyte BCM91120C-CRhine"
>> 802 select BOOT_ELF32
>> 803 select SIBYTE_BCM1120
>> 804 select SWAP_IO_SPACE
>> 805 select SYS_HAS_CPU_SB1
>> 806 select SYS_SUPPORTS_BIG_ENDIAN
>> 807 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 808
>> 809 config SIBYTE_CARMEL
>> 810 bool "Sibyte BCM91120x-Carmel"
>> 811 select BOOT_ELF32
>> 812 select SIBYTE_BCM1120
>> 813 select SWAP_IO_SPACE
>> 814 select SYS_HAS_CPU_SB1
>> 815 select SYS_SUPPORTS_BIG_ENDIAN
>> 816 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 817
829 config SIBYTE_CRHONE 818 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 819 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 820 select BOOT_ELF32
832 select SIBYTE_BCM1125 821 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 822 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 823 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 824 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 825 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 826 select SYS_SUPPORTS_LITTLE_ENDIAN
838 827
839 config SIBYTE_RHONE 828 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 829 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 830 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 831 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 832 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 833 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 834 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 835 select SYS_SUPPORTS_LITTLE_ENDIAN
847 836
848 config SIBYTE_SWARM 837 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 838 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 839 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 840 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 841 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 842 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 843 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 844 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 845 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 846 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 847 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 848 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 849
861 config SIBYTE_LITTLESUR 850 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 851 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 852 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 853 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 854 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 855 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 856 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 857 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 858 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 859 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 860 select ZONE_DMA32 if 64BIT
872 861
873 config SIBYTE_SENTOSA 862 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 863 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 864 select BOOT_ELF32
876 select SIBYTE_SB1250 865 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 866 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 867 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 868 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 869 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 870 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 871
883 config SIBYTE_BIGSUR 872 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 873 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 874 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 875 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 876 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 877 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 878 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 879 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 880 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 881 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 882 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 883 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 884
896 config SNI_RM 885 config SNI_RM
897 bool "SNI RM200/300/400" 886 bool "SNI RM200/300/400"
898 select ARC_MEMORY 887 select ARC_MEMORY
899 select ARC_PROMLIB 888 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 889 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 890 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 891 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 892 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 893 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 894 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 895 select BOOT_ELF32
907 select CEVT_R4K 896 select CEVT_R4K
908 select CSRC_R4K 897 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 898 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 899 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 900 select GENERIC_ISA_DMA
912 select HAVE_EISA 901 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 902 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 903 select HAVE_PCI
915 select IRQ_MIPS_CPU 904 select IRQ_MIPS_CPU
916 select I8253 905 select I8253
917 select I8259 906 select I8259
918 select ISA 907 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 908 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 909 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 910 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 911 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 912 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 913 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 914 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 915 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 916 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 917 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 918 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 919 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 920 select WAR_R4600_V2_HIT_CACHEOP
932 help 921 help
933 The SNI RM200/300/400 are MIPS-based 922 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 923 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 924 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 925 support this machine type.
937 926
938 config MACH_TX49XX 927 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 928 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 929 select WAR_TX49XX_ICACHE_INDEX_INV
941 930
942 config MIKROTIK_RB532 931 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 932 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 933 select CEVT_R4K
945 select CSRC_R4K 934 select CSRC_R4K
946 select DMA_NONCOHERENT 935 select DMA_NONCOHERENT
947 select HAVE_PCI 936 select HAVE_PCI
948 select IRQ_MIPS_CPU 937 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 938 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 939 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 940 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 941 select SWAP_IO_SPACE
953 select BOOT_RAW 942 select BOOT_RAW
954 select GPIOLIB 943 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 944 select MIPS_L1_CACHE_SHIFT_4
956 help 945 help
957 Support the Mikrotik(tm) RouterBoard 946 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 947 based on the IDT RC32434 SoC.
959 948
960 config CAVIUM_OCTEON_SOC 949 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 950 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 951 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 952 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 953 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 954 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 955 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 956 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 957 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 958 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 959 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 960 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 961 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 962 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 963 select HAVE_PCI
975 select HAVE_PLAT_DELAY 964 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 965 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 966 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 967 select ZONE_DMA32
979 select GPIOLIB 968 select GPIOLIB
980 select USE_OF 969 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 970 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 971 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 972 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 973 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 974 select BUILTIN_DTB
986 select MTD 975 select MTD
987 select MTD_COMPLEX_MAPPINGS 976 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 977 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 978 select SYS_SUPPORTS_RELOCATABLE
990 help 979 help
991 This option supports all of the Octe 980 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 981 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 982 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 983 Some of the supported boards are:
995 EBT3000 984 EBT3000
996 EBH3000 985 EBH3000
997 EBH3100 986 EBH3100
998 Thunder 987 Thunder
999 Kodama 988 Kodama
1000 Hikari 989 Hikari
1001 Say Y here for most Octeon referenc 990 Say Y here for most Octeon reference boards.
1002 991
1003 endchoice 992 endchoice
1004 993
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" 994 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 995 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 996 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 997 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 998 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 999 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1000 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1001 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1002 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1003 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1004 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1005 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1006 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1007 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1008 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1009 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1010 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1011 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1012 source "arch/mips/loongson64/Kconfig"
1034 1013
1035 endmenu 1014 endmenu
1036 1015
1037 config GENERIC_HWEIGHT 1016 config GENERIC_HWEIGHT
1038 bool 1017 bool
1039 default y 1018 default y
1040 1019
1041 config GENERIC_CALIBRATE_DELAY 1020 config GENERIC_CALIBRATE_DELAY
1042 bool 1021 bool
1043 default y 1022 default y
1044 1023
1045 config SCHED_OMIT_FRAME_POINTER 1024 config SCHED_OMIT_FRAME_POINTER
1046 bool 1025 bool
1047 default y 1026 default y
1048 1027
1049 # 1028 #
1050 # Select some configuration options automatic 1029 # Select some configuration options automatically based on user selections.
1051 # 1030 #
1052 config FW_ARC 1031 config FW_ARC
1053 bool 1032 bool
1054 1033
1055 config ARCH_MAY_HAVE_PC_FDC 1034 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1035 bool
1057 1036
1058 config BOOT_RAW 1037 config BOOT_RAW
1059 bool 1038 bool
1060 1039
1061 config CEVT_BCM1480 1040 config CEVT_BCM1480
1062 bool 1041 bool
1063 1042
1064 config CEVT_DS1287 1043 config CEVT_DS1287
1065 bool 1044 bool
1066 1045
1067 config CEVT_GT641XX 1046 config CEVT_GT641XX
1068 bool 1047 bool
1069 1048
1070 config CEVT_R4K 1049 config CEVT_R4K
1071 bool 1050 bool
1072 1051
1073 config CEVT_SB1250 1052 config CEVT_SB1250
1074 bool 1053 bool
1075 1054
1076 config CEVT_TXX9 1055 config CEVT_TXX9
1077 bool 1056 bool
1078 1057
1079 config CSRC_BCM1480 1058 config CSRC_BCM1480
1080 bool 1059 bool
1081 1060
1082 config CSRC_IOASIC 1061 config CSRC_IOASIC
1083 bool 1062 bool
1084 1063
1085 config CSRC_R4K 1064 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1065 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1066 bool
1089 1067
1090 config CSRC_SB1250 1068 config CSRC_SB1250
1091 bool 1069 bool
1092 1070
1093 config MIPS_CLOCK_VSYSCALL 1071 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1072 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1073
1096 config GPIO_TXX9 1074 config GPIO_TXX9
1097 select GPIOLIB 1075 select GPIOLIB
1098 bool 1076 bool
1099 1077
1100 config FW_CFE 1078 config FW_CFE
1101 bool 1079 bool
1102 1080
1103 config ARCH_SUPPORTS_UPROBES 1081 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1082 bool
1105 1083
1106 config DMA_NONCOHERENT 1084 config DMA_NONCOHERENT
1107 bool 1085 bool
1108 # 1086 #
1109 # MIPS allows mixing "slightly differ 1087 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1088 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1089 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1090 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1091 # significant advantages.
1114 # 1092 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1093 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1094 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1095 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1096 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1097 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1098 select NEED_DMA_MAP_STATE
1123 1099
1124 config SYS_HAS_EARLY_PRINTK 1100 config SYS_HAS_EARLY_PRINTK
1125 bool 1101 bool
1126 1102
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1103 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1104 bool
1129 1105
1130 config MIPS_BONITO64 1106 config MIPS_BONITO64
1131 bool 1107 bool
1132 1108
1133 config MIPS_MSC 1109 config MIPS_MSC
1134 bool 1110 bool
1135 1111
1136 config SYNC_R4K 1112 config SYNC_R4K
1137 bool 1113 bool
1138 1114
1139 config NO_IOPORT_MAP 1115 config NO_IOPORT_MAP
1140 def_bool n 1116 def_bool n
1141 1117
1142 config GENERIC_CSUM 1118 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1119 def_bool CPU_NO_LOAD_STORE_LR
1144 1120
1145 config GENERIC_ISA_DMA 1121 config GENERIC_ISA_DMA
1146 bool 1122 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1123 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1124 select ISA_DMA_API
1149 1125
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1126 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1127 bool
1152 select GENERIC_ISA_DMA 1128 select GENERIC_ISA_DMA
1153 1129
1154 config HAVE_PLAT_DELAY 1130 config HAVE_PLAT_DELAY
1155 bool 1131 bool
1156 1132
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1133 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1134 bool
1159 1135
1160 config HAVE_PLAT_MEMCPY 1136 config HAVE_PLAT_MEMCPY
1161 bool 1137 bool
1162 1138
1163 config ISA_DMA_API 1139 config ISA_DMA_API
1164 bool 1140 bool
1165 1141
1166 config SYS_SUPPORTS_RELOCATABLE 1142 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1143 bool
1168 help 1144 help
1169 Selected if the platform supports r 1145 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1146 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1147 to allow access to command line and entropy sources.
1172 1148
1173 # 1149 #
1174 # Endianness selection. Sufficiently obscure 1150 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1151 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1152 # choice statement should be more obvious to the user.
1177 # 1153 #
1178 choice 1154 choice
1179 prompt "Endianness selection" 1155 prompt "Endianness selection"
1180 help 1156 help
1181 Some MIPS machines can be configure 1157 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1158 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1159 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1160 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1161 one or the other endianness.
1186 1162
1187 config CPU_BIG_ENDIAN 1163 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1164 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1165 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1166
1191 config CPU_LITTLE_ENDIAN 1167 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1168 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1169 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1170
1195 endchoice 1171 endchoice
1196 1172
1197 config EXPORT_UASM 1173 config EXPORT_UASM
1198 bool 1174 bool
1199 1175
1200 config SYS_SUPPORTS_APM_EMULATION 1176 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1177 bool
1202 1178
1203 config SYS_SUPPORTS_BIG_ENDIAN 1179 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1180 bool
1205 1181
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1182 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1183 bool
1208 1184
1209 config MIPS_HUGE_TLB_SUPPORT 1185 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1186 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1187
>> 1188 config IRQ_MSP_SLP
>> 1189 bool
>> 1190
>> 1191 config IRQ_MSP_CIC
>> 1192 bool
>> 1193
1212 config IRQ_TXX9 1194 config IRQ_TXX9
1213 bool 1195 bool
1214 1196
1215 config IRQ_GT641XX 1197 config IRQ_GT641XX
1216 bool 1198 bool
1217 1199
1218 config PCI_GT64XXX_PCI0 1200 config PCI_GT64XXX_PCI0
1219 bool 1201 bool
1220 1202
1221 config PCI_XTALK_BRIDGE 1203 config PCI_XTALK_BRIDGE
1222 bool 1204 bool
1223 1205
1224 config NO_EXCEPT_FILL 1206 config NO_EXCEPT_FILL
1225 bool 1207 bool
1226 1208
1227 config MIPS_SPRAM 1209 config MIPS_SPRAM
1228 bool 1210 bool
1229 1211
1230 config SWAP_IO_SPACE 1212 config SWAP_IO_SPACE
1231 bool 1213 bool
1232 1214
1233 config SGI_HAS_INDYDOG 1215 config SGI_HAS_INDYDOG
1234 bool 1216 bool
1235 1217
1236 config SGI_HAS_HAL2 1218 config SGI_HAS_HAL2
1237 bool 1219 bool
1238 1220
1239 config SGI_HAS_SEEQ 1221 config SGI_HAS_SEEQ
1240 bool 1222 bool
1241 1223
1242 config SGI_HAS_WD93 1224 config SGI_HAS_WD93
1243 bool 1225 bool
1244 1226
1245 config SGI_HAS_ZILOG 1227 config SGI_HAS_ZILOG
1246 bool 1228 bool
1247 1229
1248 config SGI_HAS_I8042 1230 config SGI_HAS_I8042
1249 bool 1231 bool
1250 1232
1251 config DEFAULT_SGI_PARTITION 1233 config DEFAULT_SGI_PARTITION
1252 bool 1234 bool
1253 1235
1254 config FW_ARC32 1236 config FW_ARC32
1255 bool 1237 bool
1256 1238
1257 config FW_SNIPROM 1239 config FW_SNIPROM
1258 bool 1240 bool
1259 1241
1260 config BOOT_ELF32 1242 config BOOT_ELF32
1261 bool 1243 bool
1262 1244
1263 config MIPS_L1_CACHE_SHIFT_4 1245 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1246 bool
1265 1247
1266 config MIPS_L1_CACHE_SHIFT_5 1248 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1249 bool
1268 1250
1269 config MIPS_L1_CACHE_SHIFT_6 1251 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1252 bool
1271 1253
1272 config MIPS_L1_CACHE_SHIFT_7 1254 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1255 bool
1274 1256
1275 config MIPS_L1_CACHE_SHIFT 1257 config MIPS_L1_CACHE_SHIFT
1276 int 1258 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1259 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1260 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1261 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1262 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1263 default "5"
1282 1264
1283 config ARC_CMDLINE_ONLY 1265 config ARC_CMDLINE_ONLY
1284 bool 1266 bool
1285 1267
1286 config ARC_CONSOLE 1268 config ARC_CONSOLE
1287 bool "ARC console support" 1269 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1270 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1271
1290 config ARC_MEMORY 1272 config ARC_MEMORY
1291 bool 1273 bool
1292 1274
1293 config ARC_PROMLIB 1275 config ARC_PROMLIB
1294 bool 1276 bool
1295 1277
1296 config FW_ARC64 1278 config FW_ARC64
1297 bool 1279 bool
1298 1280
1299 config BOOT_ELF64 1281 config BOOT_ELF64
1300 bool 1282 bool
1301 1283
1302 menu "CPU selection" 1284 menu "CPU selection"
1303 1285
1304 choice 1286 choice
1305 prompt "CPU type" 1287 prompt "CPU type"
1306 default CPU_R4X00 1288 default CPU_R4X00
1307 1289
1308 config CPU_LOONGSON64 1290 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1291 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1292 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1293 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1294 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1295 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1296 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1297 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1298 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1299 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1300 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1301 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1302 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1303 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1304 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1305 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1306 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1307 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1308 select GPIOLIB
1329 select SWIOTLB 1309 select SWIOTLB
>> 1310 select HAVE_KVM
1330 help 1311 help
1331 The Loongson GSx64(GS264/GS464/GS46 1312 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr 1313 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 1314 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and 1315 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here 1316 Loongson-2E/2F is not covered here and will be removed in future.
1336 1317
>> 1318 config LOONGSON3_ENHANCEMENT
>> 1319 bool "New Loongson-3 CPU Enhancements"
>> 1320 default n
>> 1321 depends on CPU_LOONGSON64
>> 1322 help
>> 1323 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1324 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1325 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1326 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1327 Fast TLB refill support, etc.
>> 1328
>> 1329 This option enable those enhancements which are not probed at run
>> 1330 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1331 please say 'N' here. If you want a high-performance kernel to run on
>> 1332 new Loongson-3 machines only, please say 'Y' here.
>> 1333
>> 1334 config CPU_LOONGSON3_WORKAROUNDS
>> 1335 bool "Loongson-3 LLSC Workarounds"
>> 1336 default y if SMP
>> 1337 depends on CPU_LOONGSON64
>> 1338 help
>> 1339 Loongson-3 processors have the llsc issues which require workarounds.
>> 1340 Without workarounds the system may hang unexpectedly.
>> 1341
>> 1342 Say Y, unless you know what you are doing.
>> 1343
>> 1344 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1345 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1346 default y
>> 1347 depends on CPU_LOONGSON64
>> 1348 help
>> 1349 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1350 userland to query CPU capabilities, much like CPUID on x86. This
>> 1351 option provides emulation of the instruction on older Loongson
>> 1352 cores, back to Loongson-3A1000.
>> 1353
>> 1354 If unsure, please say Y.
>> 1355
1337 config CPU_LOONGSON2E 1356 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1357 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1358 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1359 select CPU_LOONGSON2EF
1341 help 1360 help
1342 The Loongson 2E processor implement 1361 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1362 with many extensions.
1344 1363
1345 It has an internal FPGA northbridge 1364 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1365 bonito64.
1347 1366
1348 config CPU_LOONGSON2F 1367 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1368 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1369 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1370 select CPU_LOONGSON2EF
>> 1371 select GPIOLIB
1352 help 1372 help
1353 The Loongson 2F processor implement 1373 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1374 with many extensions.
1355 1375
1356 Loongson2F have built-in DDR2 and P 1376 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1377 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1378 Loongson2E.
1359 1379
1360 config CPU_LOONGSON1B 1380 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1381 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1382 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1383 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1384 select LEDS_GPIO_REGISTER
1365 help 1385 help
1366 The Loongson 1B is a 32-bit SoC, wh 1386 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1387 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1388 instruction set.
1369 1389
1370 config CPU_LOONGSON1C 1390 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1391 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1392 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1393 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1394 select LEDS_GPIO_REGISTER
1375 help 1395 help
1376 The Loongson 1C is a 32-bit SoC, wh 1396 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1397 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1398 instruction set.
1379 1399
1380 config CPU_MIPS32_R1 1400 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1401 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1402 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1403 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1404 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1405 select CPU_SUPPORTS_HIGHMEM
1386 help 1406 help
1387 Choose this option to build a kerne 1407 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1408 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1409 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1410 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1411 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1412 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1413 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1414 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1415 performance.
1396 1416
1397 config CPU_MIPS32_R2 1417 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1418 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1419 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1420 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1421 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1422 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1423 select CPU_SUPPORTS_MSA
>> 1424 select HAVE_KVM
1404 help 1425 help
1405 Choose this option to build a kerne 1426 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1427 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1428 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1429 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1430 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1431
1411 config CPU_MIPS32_R5 1432 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1433 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1434 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1435 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1436 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1437 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1438 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1439 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1440 select MIPS_O32_FP64_SUPPORT
1420 help 1441 help
1421 Choose this option to build a kerne 1442 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1443 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1444 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1445 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1446
1426 config CPU_MIPS32_R6 1447 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1448 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1449 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1450 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1451 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1452 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1453 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1454 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1455 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1456 select MIPS_O32_FP64_SUPPORT
1436 help 1457 help
1437 Choose this option to build a kerne 1458 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1459 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1460 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1461 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1462
1442 config CPU_MIPS64_R1 1463 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1464 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1465 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1466 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1467 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1468 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1469 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1470 select CPU_SUPPORTS_HUGEPAGES
1450 help 1471 help
1451 Choose this option to build a kerne 1472 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1473 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1474 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1475 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1476 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1477 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1478 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1479 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1480 performance.
1460 1481
1461 config CPU_MIPS64_R2 1482 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1483 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1484 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1485 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1486 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1487 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1488 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1489 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1490 select CPU_SUPPORTS_MSA
>> 1491 select HAVE_KVM
1470 help 1492 help
1471 Choose this option to build a kerne 1493 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1494 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1495 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1496 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1497 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1498
1477 config CPU_MIPS64_R5 1499 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1500 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1501 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1502 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1503 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1504 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1505 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1506 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1507 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1508 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1509 select HAVE_KVM
1488 help 1510 help
1489 Choose this option to build a kerne 1511 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1512 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1513 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1514 any hardware known to be based on this release.
1493 1515
1494 config CPU_MIPS64_R6 1516 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1517 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1518 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1519 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1520 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1521 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1522 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1523 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1524 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1525 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1526 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1527 select HAVE_KVM
1506 help 1528 help
1507 Choose this option to build a kerne 1529 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1530 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1531 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1532 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1533
1512 config CPU_P5600 1534 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1535 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1536 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1537 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1538 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1539 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1540 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1541 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1542 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1543 select CPU_MIPSR2_IRQ_EI
>> 1544 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1545 select MIPS_O32_FP64_SUPPORT
1524 help 1546 help
1525 Choose this option to build a kerne 1547 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1548 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1549 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1550 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1551 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1552 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1553 eJTAG and PDtrace.
1532 1554
1533 config CPU_R3000 1555 config CPU_R3000
1534 bool "R3000" 1556 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1557 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1558 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1559 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1560 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1561 select CPU_SUPPORTS_HIGHMEM
1540 help 1562 help
1541 Please make sure to pick the right 1563 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1564 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1565 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1566 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1567 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1568 try to recompile with R3000.
1547 1569
1548 config CPU_R4300 1570 config CPU_R4300
1549 bool "R4300" 1571 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1572 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1573 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1574 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1575 help
1554 MIPS Technologies R4300-series proc 1576 MIPS Technologies R4300-series processors.
1555 1577
1556 config CPU_R4X00 1578 config CPU_R4X00
1557 bool "R4x00" 1579 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1580 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1581 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1582 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1583 select CPU_SUPPORTS_HUGEPAGES
1562 help 1584 help
1563 MIPS Technologies R4000-series proc 1585 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1586 the R4000, R4400, R4600, and 4700.
1565 1587
1566 config CPU_TX49XX 1588 config CPU_TX49XX
1567 bool "R49XX" 1589 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1590 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1591 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1592 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1593 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1594 select CPU_SUPPORTS_HUGEPAGES
1573 1595
1574 config CPU_R5000 1596 config CPU_R5000
1575 bool "R5000" 1597 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1598 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1599 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1600 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1601 select CPU_SUPPORTS_HUGEPAGES
1580 help 1602 help
1581 MIPS Technologies R5000-series proc 1603 MIPS Technologies R5000-series processors other than the Nevada.
1582 1604
1583 config CPU_R5500 1605 config CPU_R5500
1584 bool "R5500" 1606 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1607 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1608 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1609 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1610 select CPU_SUPPORTS_HUGEPAGES
1589 help 1611 help
1590 NEC VR5500 and VR5500A series proce 1612 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1613 instruction set.
1592 1614
1593 config CPU_NEVADA 1615 config CPU_NEVADA
1594 bool "RM52xx" 1616 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1617 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1618 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1619 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1620 select CPU_SUPPORTS_HUGEPAGES
1599 help 1621 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1622 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1623
1602 config CPU_R10000 1624 config CPU_R10000
1603 bool "R10000" 1625 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1626 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1627 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1628 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1629 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1630 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1631 select CPU_SUPPORTS_HUGEPAGES
1610 help 1632 help
1611 MIPS Technologies R10000-series pro 1633 MIPS Technologies R10000-series processors.
1612 1634
1613 config CPU_RM7000 1635 config CPU_RM7000
1614 bool "RM7000" 1636 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1637 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1638 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1639 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1640 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1641 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1642 select CPU_SUPPORTS_HUGEPAGES
1621 1643
1622 config CPU_SB1 1644 config CPU_SB1
1623 bool "SB1" 1645 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1646 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1647 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1648 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1649 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1650 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1651 select WEAK_ORDERING
1630 1652
1631 config CPU_CAVIUM_OCTEON 1653 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1654 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1655 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1656 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1657 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 1658 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1659 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1660 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1661 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1662 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1663 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1664 select HAVE_KVM
1645 help 1665 help
1646 The Cavium Octeon processor is a hi 1666 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1667 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1668 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1669 Full details can be found at http://www.caviumnetworks.com.
1650 1670
1651 config CPU_BMIPS 1671 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1672 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1673 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1674 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1675 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1676 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1677 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1678 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1679 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1680 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1681 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1682 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1683 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1684 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1685 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1686 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1687 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1688 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1689 help
1670 Support for BMIPS32/3300/4350/4380 1690 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1691
1672 endchoice 1692 endchoice
1673 1693
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 1694 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1695 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1696 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1697 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1698 CPU_P5600
1717 help 1699 help
1718 Choose this option to build a kerne 1700 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1701 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1702 support for Enhanced Virtual Addressing (EVA).
1721 1703
1722 config CPU_MIPS32_3_5_EVA 1704 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1705 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1706 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1707 select EVA
1726 default y 1708 default y
1727 help 1709 help
1728 Choose this option if you want to e 1710 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1711 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1712 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1713 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1714
1733 config CPU_MIPS32_R5_FEATURES 1715 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1716 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1717 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1718 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1719 help
1738 Choose this option to build a kerne 1720 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1721 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1722 support for Extended Physical Addressing (XPA).
1741 1723
1742 config CPU_MIPS32_R5_XPA 1724 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1725 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1726 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1727 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1728 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1729 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1730 select XPA
1749 select HIGHMEM 1731 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1732 select PHYS_ADDR_T_64BIT
1751 default n 1733 default n
1752 help 1734 help
1753 Choose this option if you want to e 1735 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1736 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1737 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1738 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1739 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1740 If unsure, say 'N' here.
1759 1741
1760 if CPU_LOONGSON2F 1742 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1743 config CPU_NOP_WORKAROUNDS
1762 bool 1744 bool
1763 1745
1764 config CPU_JUMP_WORKAROUNDS 1746 config CPU_JUMP_WORKAROUNDS
1765 bool 1747 bool
1766 1748
1767 config CPU_LOONGSON2F_WORKAROUNDS 1749 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1750 bool "Loongson 2F Workarounds"
1769 default y 1751 default y
1770 select CPU_NOP_WORKAROUNDS 1752 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1753 select CPU_JUMP_WORKAROUNDS
1772 help 1754 help
1773 Loongson 2F01 / 2F02 processors hav 1755 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1756 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1757 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1758 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1759
1778 Loongson 2F03 and later have fixed 1760 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1761 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1762 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1763 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1764 systems.
1783 1765
1784 If unsure, please say Y. 1766 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1767 endif # CPU_LOONGSON2F
1786 1768
1787 config SYS_SUPPORTS_ZBOOT 1769 config SYS_SUPPORTS_ZBOOT
1788 bool 1770 bool
1789 select HAVE_KERNEL_GZIP 1771 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1772 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1773 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1774 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1775 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1776 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1777 select HAVE_KERNEL_ZSTD
1796 1778
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1779 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1780 bool
1799 select SYS_SUPPORTS_ZBOOT 1781 select SYS_SUPPORTS_ZBOOT
1800 1782
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1783 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1784 bool
1803 select SYS_SUPPORTS_ZBOOT 1785 select SYS_SUPPORTS_ZBOOT
1804 1786
1805 config CPU_LOONGSON2EF 1787 config CPU_LOONGSON2EF
1806 bool 1788 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1789 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1790 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1791 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1792 select CPU_SUPPORTS_HUGEPAGES
>> 1793 select ARCH_HAS_PHYS_TO_DMA
1811 1794
1812 config CPU_LOONGSON32 1795 config CPU_LOONGSON32
1813 bool 1796 bool
1814 select CPU_MIPS32 1797 select CPU_MIPS32
1815 select CPU_MIPSR2 1798 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1799 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1800 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1801 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1802 select CPU_SUPPORTS_CPUFREQ
1820 1803
1821 config CPU_BMIPS32_3300 1804 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1805 select SMP_UP if SMP
1823 bool 1806 bool
1824 1807
1825 config CPU_BMIPS4350 1808 config CPU_BMIPS4350
1826 bool 1809 bool
1827 select SYS_SUPPORTS_SMP 1810 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1811 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1812
1830 config CPU_BMIPS4380 1813 config CPU_BMIPS4380
1831 bool 1814 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1815 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1816 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1817 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1818 select CPU_HAS_RIXI
1836 1819
1837 config CPU_BMIPS5000 1820 config CPU_BMIPS5000
1838 bool 1821 bool
1839 select MIPS_CPU_SCACHE 1822 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1823 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1824 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1825 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1826 select CPU_HAS_RIXI
1844 1827
1845 config SYS_HAS_CPU_LOONGSON64 1828 config SYS_HAS_CPU_LOONGSON64
1846 bool 1829 bool
1847 select CPU_SUPPORTS_CPUFREQ 1830 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1831 select CPU_HAS_RIXI
1849 1832
1850 config SYS_HAS_CPU_LOONGSON2E 1833 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1834 bool
1852 1835
1853 config SYS_HAS_CPU_LOONGSON2F 1836 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1837 bool
1855 select CPU_SUPPORTS_CPUFREQ 1838 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1839 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1840
1858 config SYS_HAS_CPU_LOONGSON1B 1841 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1842 bool
1860 1843
1861 config SYS_HAS_CPU_LOONGSON1C 1844 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1845 bool
1863 1846
1864 config SYS_HAS_CPU_MIPS32_R1 1847 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1848 bool
1866 1849
1867 config SYS_HAS_CPU_MIPS32_R2 1850 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1851 bool
1869 1852
1870 config SYS_HAS_CPU_MIPS32_R3_5 1853 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1854 bool
1872 1855
1873 config SYS_HAS_CPU_MIPS32_R5 1856 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1857 bool
>> 1858 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1859
1876 config SYS_HAS_CPU_MIPS32_R6 1860 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1861 bool
>> 1862 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1863
1879 config SYS_HAS_CPU_MIPS64_R1 1864 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1865 bool
1881 1866
1882 config SYS_HAS_CPU_MIPS64_R2 1867 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1868 bool
1884 1869
1885 config SYS_HAS_CPU_MIPS64_R5 1870 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1871 bool
>> 1872 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1873
1888 config SYS_HAS_CPU_MIPS64_R6 1874 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1875 bool
>> 1876 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1877
1891 config SYS_HAS_CPU_P5600 1878 config SYS_HAS_CPU_P5600
1892 bool 1879 bool
>> 1880 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 1881
1894 config SYS_HAS_CPU_R3000 1882 config SYS_HAS_CPU_R3000
1895 bool 1883 bool
1896 1884
1897 config SYS_HAS_CPU_R4300 1885 config SYS_HAS_CPU_R4300
1898 bool 1886 bool
1899 1887
1900 config SYS_HAS_CPU_R4X00 1888 config SYS_HAS_CPU_R4X00
1901 bool 1889 bool
1902 1890
1903 config SYS_HAS_CPU_TX49XX 1891 config SYS_HAS_CPU_TX49XX
1904 bool 1892 bool
1905 1893
1906 config SYS_HAS_CPU_R5000 1894 config SYS_HAS_CPU_R5000
1907 bool 1895 bool
1908 1896
1909 config SYS_HAS_CPU_R5500 1897 config SYS_HAS_CPU_R5500
1910 bool 1898 bool
1911 1899
1912 config SYS_HAS_CPU_NEVADA 1900 config SYS_HAS_CPU_NEVADA
1913 bool 1901 bool
1914 1902
1915 config SYS_HAS_CPU_R10000 1903 config SYS_HAS_CPU_R10000
1916 bool 1904 bool
>> 1905 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1906
1918 config SYS_HAS_CPU_RM7000 1907 config SYS_HAS_CPU_RM7000
1919 bool 1908 bool
1920 1909
1921 config SYS_HAS_CPU_SB1 1910 config SYS_HAS_CPU_SB1
1922 bool 1911 bool
1923 1912
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1913 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1914 bool
1926 1915
1927 config SYS_HAS_CPU_BMIPS 1916 config SYS_HAS_CPU_BMIPS
1928 bool 1917 bool
1929 1918
1930 config SYS_HAS_CPU_BMIPS32_3300 1919 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1920 bool
1932 select SYS_HAS_CPU_BMIPS 1921 select SYS_HAS_CPU_BMIPS
1933 1922
1934 config SYS_HAS_CPU_BMIPS4350 1923 config SYS_HAS_CPU_BMIPS4350
1935 bool 1924 bool
1936 select SYS_HAS_CPU_BMIPS 1925 select SYS_HAS_CPU_BMIPS
1937 1926
1938 config SYS_HAS_CPU_BMIPS4380 1927 config SYS_HAS_CPU_BMIPS4380
1939 bool 1928 bool
1940 select SYS_HAS_CPU_BMIPS 1929 select SYS_HAS_CPU_BMIPS
1941 1930
1942 config SYS_HAS_CPU_BMIPS5000 1931 config SYS_HAS_CPU_BMIPS5000
1943 bool 1932 bool
1944 select SYS_HAS_CPU_BMIPS 1933 select SYS_HAS_CPU_BMIPS
>> 1934 select ARCH_HAS_SYNC_DMA_FOR_CPU
1945 1935
1946 # 1936 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1937 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1938 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1939 #
1950 config WEAK_ORDERING 1940 config WEAK_ORDERING
1951 bool 1941 bool
1952 1942
1953 # 1943 #
1954 # CPU may reorder reads and writes beyond LL/ 1944 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1945 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1946 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1947 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1948 bool
1959 endmenu 1949 endmenu
1960 1950
1961 # 1951 #
1962 # These two indicate any level of the MIPS32 1952 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1953 #
1964 config CPU_MIPS32 1954 config CPU_MIPS32
1965 bool 1955 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1956 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1957 CPU_MIPS32_R6 || CPU_P5600
1968 1958
1969 config CPU_MIPS64 1959 config CPU_MIPS64
1970 bool 1960 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 1961 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 1962 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 1963
1974 # 1964 #
1975 # These indicate the revision of the architec 1965 # These indicate the revision of the architecture
1976 # 1966 #
1977 config CPU_MIPSR1 1967 config CPU_MIPSR1
1978 bool 1968 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1969 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1970
1981 config CPU_MIPSR2 1971 config CPU_MIPSR2
1982 bool 1972 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1973 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 1974 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1975 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 1976 select MIPS_SPRAM
1987 1977
1988 config CPU_MIPSR5 1978 config CPU_MIPSR5
1989 bool 1979 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 1980 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 1981 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1982 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 1983 select MIPS_SPRAM
1994 1984
1995 config CPU_MIPSR6 1985 config CPU_MIPSR6
1996 bool 1986 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 1987 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 1988 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1989 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 1990 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 1991 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 1992 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 1993 select MIPS_SPRAM
2004 1994
2005 config TARGET_ISA_REV 1995 config TARGET_ISA_REV
2006 int 1996 int
2007 default 1 if CPU_MIPSR1 1997 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 1998 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 1999 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2000 default 6 if CPU_MIPSR6
2011 default 0 2001 default 0
2012 help 2002 help
2013 Reflects the ISA revision being tar 2003 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2004 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2005
2016 config EVA 2006 config EVA
2017 bool 2007 bool
2018 2008
2019 config XPA 2009 config XPA
2020 bool 2010 bool
2021 2011
2022 config SYS_SUPPORTS_32BIT_KERNEL 2012 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2013 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2014 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2015 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2016 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2017 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2018 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2019 bool
2030 config CPU_SUPPORTS_CPUFREQ 2020 config CPU_SUPPORTS_CPUFREQ
2031 bool 2021 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2022 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2023 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2024 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2025 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2026 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2027 config MIPS_PGD_C0_CONTEXT
2040 bool 2028 bool
2041 depends on 64BIT 2029 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 2030 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 2031
2044 # 2032 #
2045 # Set to y for ptrace access to watch registe 2033 # Set to y for ptrace access to watch registers.
2046 # 2034 #
2047 config HARDWARE_WATCHPOINTS 2035 config HARDWARE_WATCHPOINTS
2048 bool 2036 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2037 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2038
2051 menu "Kernel type" 2039 menu "Kernel type"
2052 2040
2053 choice 2041 choice
2054 prompt "Kernel code model" 2042 prompt "Kernel code model"
2055 help 2043 help
2056 You should only select this option 2044 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2045 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2046 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2047 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2048
2061 config 32BIT 2049 config 32BIT
2062 bool "32-bit kernel" 2050 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2051 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2052 select TRAD_SIGNALS
2065 help 2053 help
2066 Select this option if you want to b 2054 Select this option if you want to build a 32-bit kernel.
2067 2055
2068 config 64BIT 2056 config 64BIT
2069 bool "64-bit kernel" 2057 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2058 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2059 help
2072 Select this option if you want to b 2060 Select this option if you want to build a 64-bit kernel.
2073 2061
2074 endchoice 2062 endchoice
2075 2063
2076 config MIPS_VA_BITS_48 2064 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2065 bool "48 bits virtual memory"
2078 depends on 64BIT 2066 depends on 64BIT
2079 help 2067 help
2080 Support a maximum at least 48 bits 2068 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2069 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2070 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2071 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2072 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2073 overhead as well as slower TLB fault handling.
2086 2074
2087 If unsure, say N. 2075 If unsure, say N.
2088 2076
2089 config ZBOOT_LOAD_ADDRESS 2077 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2078 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2079 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2080 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2081 depends on SYS_SUPPORTS_ZBOOT
2094 help 2082 help
2095 The address to load compressed kern 2083 The address to load compressed kernel, aka vmlinuz.
2096 2084
2097 This is only used if non-zero. 2085 This is only used if non-zero.
2098 2086
>> 2087 choice
>> 2088 prompt "Kernel page size"
>> 2089 default PAGE_SIZE_4KB
>> 2090
>> 2091 config PAGE_SIZE_4KB
>> 2092 bool "4kB"
>> 2093 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2094 help
>> 2095 This option select the standard 4kB Linux page size. On some
>> 2096 R3000-family processors this is the only available page size. Using
>> 2097 4kB page size will minimize memory consumption and is therefore
>> 2098 recommended for low memory systems.
>> 2099
>> 2100 config PAGE_SIZE_8KB
>> 2101 bool "8kB"
>> 2102 depends on CPU_CAVIUM_OCTEON
>> 2103 depends on !MIPS_VA_BITS_48
>> 2104 help
>> 2105 Using 8kB page size will result in higher performance kernel at
>> 2106 the price of higher memory consumption. This option is available
>> 2107 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2108 distribution to support this.
>> 2109
>> 2110 config PAGE_SIZE_16KB
>> 2111 bool "16kB"
>> 2112 depends on !CPU_R3000
>> 2113 help
>> 2114 Using 16kB page size will result in higher performance kernel at
>> 2115 the price of higher memory consumption. This option is available on
>> 2116 all non-R3000 family processors. Note that you will need a suitable
>> 2117 Linux distribution to support this.
>> 2118
>> 2119 config PAGE_SIZE_32KB
>> 2120 bool "32kB"
>> 2121 depends on CPU_CAVIUM_OCTEON
>> 2122 depends on !MIPS_VA_BITS_48
>> 2123 help
>> 2124 Using 32kB page size will result in higher performance kernel at
>> 2125 the price of higher memory consumption. This option is available
>> 2126 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2127 distribution to support this.
>> 2128
>> 2129 config PAGE_SIZE_64KB
>> 2130 bool "64kB"
>> 2131 depends on !CPU_R3000
>> 2132 help
>> 2133 Using 64kB page size will result in higher performance kernel at
>> 2134 the price of higher memory consumption. This option is available on
>> 2135 all non-R3000 family processor. Not that at the time of this
>> 2136 writing this option is still high experimental.
>> 2137
>> 2138 endchoice
>> 2139
2099 config ARCH_FORCE_MAX_ORDER 2140 config ARCH_FORCE_MAX_ORDER
2100 int "Maximum zone order" 2141 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2142 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2143 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2144 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2145 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2146 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2147 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2148 range 0 64
>> 2149 default "11"
2105 help 2150 help
2106 The kernel memory allocator divides 2151 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2152 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2153 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2154 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2155 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2156 increase this value.
2112 2157
>> 2158 This config option is actually maximum order plus one. For example,
>> 2159 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2160
2113 The page size is not necessarily 4K 2161 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2162 when choosing a value for this option.
2115 2163
2116 config BOARD_SCACHE 2164 config BOARD_SCACHE
2117 bool 2165 bool
2118 2166
2119 config IP22_CPU_SCACHE 2167 config IP22_CPU_SCACHE
2120 bool 2168 bool
2121 select BOARD_SCACHE 2169 select BOARD_SCACHE
2122 2170
2123 # 2171 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2172 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2173 #
2126 config MIPS_CPU_SCACHE 2174 config MIPS_CPU_SCACHE
2127 bool 2175 bool
2128 select BOARD_SCACHE 2176 select BOARD_SCACHE
2129 2177
2130 config R5000_CPU_SCACHE 2178 config R5000_CPU_SCACHE
2131 bool 2179 bool
2132 select BOARD_SCACHE 2180 select BOARD_SCACHE
2133 2181
2134 config RM7000_CPU_SCACHE 2182 config RM7000_CPU_SCACHE
2135 bool 2183 bool
2136 select BOARD_SCACHE 2184 select BOARD_SCACHE
2137 2185
2138 config SIBYTE_DMA_PAGEOPS 2186 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2187 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2188 depends on CPU_SB1
2141 help 2189 help
2142 Instead of using the CPU to zero an 2190 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2191 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2192 SiByte Linux port. Seems to give a small performance benefit.
2145 2193
2146 config CPU_HAS_PREFETCH 2194 config CPU_HAS_PREFETCH
2147 bool 2195 bool
2148 2196
2149 config CPU_GENERIC_DUMP_TLB 2197 config CPU_GENERIC_DUMP_TLB
2150 bool 2198 bool
2151 default y if !CPU_R3000 2199 default y if !CPU_R3000
2152 2200
2153 config MIPS_FP_SUPPORT 2201 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2202 bool "Floating Point support" if EXPERT
2155 default y 2203 default y
2156 help 2204 help
2157 Select y to include support for flo 2205 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2206 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2207 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2208 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2209 receive a SIGILL.
2162 2210
2163 If you know that your userland will 2211 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2212 instructions then you can say n here to shrink the kernel a little.
2165 2213
2166 If unsure, say y. 2214 If unsure, say y.
2167 2215
2168 config CPU_R2300_FPU 2216 config CPU_R2300_FPU
2169 bool 2217 bool
2170 depends on MIPS_FP_SUPPORT 2218 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 2219 default y if CPU_R3000
2172 2220
2173 config CPU_R3K_TLB 2221 config CPU_R3K_TLB
2174 bool 2222 bool
2175 2223
2176 config CPU_R4K_FPU 2224 config CPU_R4K_FPU
2177 bool 2225 bool
2178 depends on MIPS_FP_SUPPORT 2226 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2227 default y if !CPU_R2300_FPU
2180 2228
2181 config CPU_R4K_CACHE_TLB 2229 config CPU_R4K_CACHE_TLB
2182 bool 2230 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2231 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2232
2185 config MIPS_MT_SMP 2233 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2234 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2235 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2236 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2237 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2238 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2239 select SYNC_R4K
2193 select MIPS_MT 2240 select MIPS_MT
2194 select SMP 2241 select SMP
2195 select SMP_UP 2242 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2243 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2244 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2245 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2246 help
2200 This is a kernel model which is kno 2247 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2248 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2249 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2250 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2251 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2252
2206 config MIPS_MT 2253 config MIPS_MT
2207 bool 2254 bool
2208 2255
2209 config SCHED_SMT 2256 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2257 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2258 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2259 default n
2213 help 2260 help
2214 SMT scheduler support improves the 2261 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2262 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2263 increased overhead in some places. If unsure say N here.
2217 2264
2218 config SYS_SUPPORTS_SCHED_SMT 2265 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2266 bool
2220 2267
2221 config SYS_SUPPORTS_MULTITHREADING 2268 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2269 bool
2223 2270
2224 config MIPS_MT_FPAFF 2271 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2272 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2273 default y
2227 depends on MIPS_MT_SMP 2274 depends on MIPS_MT_SMP
2228 2275
2229 config MIPSR2_TO_R6_EMULATOR 2276 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2277 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2278 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2279 depends on MIPS_FP_SUPPORT
2233 default y 2280 default y
2234 help 2281 help
2235 Choose this option if you want to r 2282 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2283 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2284 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2285 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2286 final kernel image.
2240 2287
2241 config SYS_SUPPORTS_VPE_LOADER 2288 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2289 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2290 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2291 help
2245 Indicates that the platform support 2292 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2293 physical_memsize.
2247 2294
2248 config MIPS_VPE_LOADER 2295 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2296 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2297 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2298 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2299 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2300 select MIPS_MT
2254 help 2301 help
2255 Includes a loader for loading an el 2302 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2303 onto another VPE and running it.
2257 2304
>> 2305 config MIPS_VPE_LOADER_CMP
>> 2306 bool
>> 2307 default "y"
>> 2308 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2309
2258 config MIPS_VPE_LOADER_MT 2310 config MIPS_VPE_LOADER_MT
2259 bool 2311 bool
2260 default "y" 2312 default "y"
2261 depends on MIPS_VPE_LOADER !! 2313 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2314
2263 config MIPS_VPE_LOADER_TOM 2315 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2316 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2317 depends on MIPS_VPE_LOADER
2266 default y 2318 default y
2267 help 2319 help
2268 The loader can use memory that is p 2320 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2321 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2322 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2323 program requires is less or equal to the amount physically present.
2272 2324
2273 config MIPS_VPE_APSP_API 2325 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2326 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2327 depends on MIPS_VPE_LOADER
2276 2328
>> 2329 config MIPS_VPE_APSP_API_CMP
>> 2330 bool
>> 2331 default "y"
>> 2332 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2333
2277 config MIPS_VPE_APSP_API_MT 2334 config MIPS_VPE_APSP_API_MT
2278 bool 2335 bool
2279 default "y" 2336 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2337 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2338
>> 2339 config MIPS_CMP
>> 2340 bool "MIPS CMP framework support (DEPRECATED)"
>> 2341 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2342 select SMP
>> 2343 select SYNC_R4K
>> 2344 select SYS_SUPPORTS_SMP
>> 2345 select WEAK_ORDERING
>> 2346 default n
>> 2347 help
>> 2348 Select this if you are using a bootloader which implements the "CMP
>> 2349 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2350 its ability to start secondary CPUs.
>> 2351
>> 2352 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2353 instead of this.
2281 2354
2282 config MIPS_CPS 2355 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2356 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2357 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2358 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2359 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2360 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2361 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2362 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2363 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2364 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2365 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2366 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2367 help
2296 Select this if you wish to run an S 2368 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2369 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2370 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2371 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2372 support is unavailable.
2301 2373
2302 config MIPS_CPS_PM 2374 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2375 depends on MIPS_CPS
2304 bool 2376 bool
2305 2377
2306 config MIPS_CM 2378 config MIPS_CM
2307 bool 2379 bool
2308 select MIPS_CPC 2380 select MIPS_CPC
2309 2381
2310 config MIPS_CPC 2382 config MIPS_CPC
2311 bool 2383 bool
2312 2384
2313 config SB1_PASS_2_WORKAROUNDS 2385 config SB1_PASS_2_WORKAROUNDS
2314 bool 2386 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2387 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2388 default y
2317 2389
2318 config SB1_PASS_2_1_WORKAROUNDS 2390 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2391 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2392 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2393 default y
2322 2394
2323 choice 2395 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2396 prompt "SmartMIPS or microMIPS ASE support"
2325 2397
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2398 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2399 bool "None"
2328 help 2400 help
2329 Select this if you want neither mic 2401 Select this if you want neither microMIPS nor SmartMIPS support
2330 2402
2331 config CPU_HAS_SMARTMIPS 2403 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2404 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2405 bool "SmartMIPS"
2334 help 2406 help
2335 SmartMIPS is a extension of the MIP 2407 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2408 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2409 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2410 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2411 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2412 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2413 here.
2342 2414
2343 config CPU_MICROMIPS 2415 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2416 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2417 bool "microMIPS"
2346 help 2418 help
2347 When this option is enabled the ker 2419 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2420 microMIPS ISA
2349 2421
2350 endchoice 2422 endchoice
2351 2423
2352 config CPU_HAS_MSA 2424 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2425 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2426 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2427 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2428 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2429 help
2358 MIPS SIMD Architecture (MSA) introd 2430 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2431 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2432 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2433 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2434 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2435 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2436 the size & complexity of your kernel.
2365 2437
2366 If unsure, say Y. 2438 If unsure, say Y.
2367 2439
2368 config CPU_HAS_WB 2440 config CPU_HAS_WB
2369 bool 2441 bool
2370 2442
2371 config XKS01 2443 config XKS01
2372 bool 2444 bool
2373 2445
2374 config CPU_HAS_DIEI 2446 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2447 depends on !CPU_DIEI_BROKEN
2376 bool 2448 bool
2377 2449
2378 config CPU_DIEI_BROKEN 2450 config CPU_DIEI_BROKEN
2379 bool 2451 bool
2380 2452
2381 config CPU_HAS_RIXI 2453 config CPU_HAS_RIXI
2382 bool 2454 bool
2383 2455
2384 config CPU_NO_LOAD_STORE_LR 2456 config CPU_NO_LOAD_STORE_LR
2385 bool 2457 bool
2386 help 2458 help
2387 CPU lacks support for unaligned loa 2459 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2460 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2461 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2462 systems).
2391 2463
2392 # 2464 #
2393 # Vectored interrupt mode is an R2 feature 2465 # Vectored interrupt mode is an R2 feature
2394 # 2466 #
2395 config CPU_MIPSR2_IRQ_VI 2467 config CPU_MIPSR2_IRQ_VI
2396 bool 2468 bool
2397 2469
2398 # 2470 #
2399 # Extended interrupt mode is an R2 feature 2471 # Extended interrupt mode is an R2 feature
2400 # 2472 #
2401 config CPU_MIPSR2_IRQ_EI 2473 config CPU_MIPSR2_IRQ_EI
2402 bool 2474 bool
2403 2475
2404 config CPU_HAS_SYNC 2476 config CPU_HAS_SYNC
2405 bool 2477 bool
2406 depends on !CPU_R3000 2478 depends on !CPU_R3000
2407 default y 2479 default y
2408 2480
2409 # 2481 #
2410 # CPU non-features 2482 # CPU non-features
2411 # 2483 #
2412 2484
2413 # Work around the "daddi" and "daddiu" CPU er 2485 # Work around the "daddi" and "daddiu" CPU errata:
2414 # 2486 #
2415 # - The `daddi' instruction fails to trap on 2487 # - The `daddi' instruction fails to trap on overflow.
2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2488 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 # erratum #23 2489 # erratum #23
2418 # 2490 #
2419 # - The `daddiu' instruction can produce an i 2491 # - The `daddiu' instruction can produce an incorrect result.
2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2492 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 # erratum #41 2493 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision 2494 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 # #15 2495 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2496 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 # "MIPS R4400MC Errata, Processor Revision 2497 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS 2498 config CPU_DADDI_WORKAROUNDS
2427 bool 2499 bool
2428 2500
2429 # Work around certain R4000 CPU errata (as im 2501 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 # 2502 #
2431 # - A double-word or a variable shift may giv 2503 # - A double-word or a variable shift may give an incorrect result
2432 # if executed immediately after starting an 2504 # if executed immediately after starting an integer division:
2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2505 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 # erratum #28 2506 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision 2507 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 # #19 2508 # #19
2437 # 2509 #
2438 # - A double-word or a variable shift may giv 2510 # - A double-word or a variable shift may give an incorrect result
2439 # if executed while an integer multiplicati 2511 # if executed while an integer multiplication is in progress:
2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2512 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 # errata #16 & #28 2513 # errata #16 & #28
2442 # 2514 #
2443 # - An integer division may give an incorrect 2515 # - An integer division may give an incorrect result if started in
2444 # a delay slot of a taken branch or a jump: 2516 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2517 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 # erratum #52 2518 # erratum #52
2447 config CPU_R4000_WORKAROUNDS 2519 config CPU_R4000_WORKAROUNDS
2448 bool 2520 bool
2449 select CPU_R4400_WORKAROUNDS 2521 select CPU_R4400_WORKAROUNDS
2450 2522
2451 # Work around certain R4400 CPU errata (as im 2523 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 # 2524 #
2453 # - A double-word or a variable shift may giv 2525 # - A double-word or a variable shift may give an incorrect result
2454 # if executed immediately after starting an 2526 # if executed immediately after starting an integer division:
2455 # "MIPS R4400MC Errata, Processor Revision 2527 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 # "MIPS R4400MC Errata, Processor Revision 2528 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS 2529 config CPU_R4400_WORKAROUNDS
2458 bool 2530 bool
2459 2531
2460 config CPU_R4X00_BUGS64 2532 config CPU_R4X00_BUGS64
2461 bool 2533 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2534 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2535
2464 config MIPS_ASID_SHIFT 2536 config MIPS_ASID_SHIFT
2465 int 2537 int
2466 default 6 if CPU_R3000 2538 default 6 if CPU_R3000
2467 default 0 2539 default 0
2468 2540
2469 config MIPS_ASID_BITS 2541 config MIPS_ASID_BITS
2470 int 2542 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2543 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 2544 default 6 if CPU_R3000
2473 default 8 2545 default 8
2474 2546
2475 config MIPS_ASID_BITS_VARIABLE 2547 config MIPS_ASID_BITS_VARIABLE
2476 bool 2548 bool
2477 2549
2478 config MIPS_CRC_SUPPORT 2550 config MIPS_CRC_SUPPORT
2479 bool 2551 bool
2480 2552
2481 # R4600 erratum. Due to the lack of errata i 2553 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2554 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2555 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2556 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2557 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2558 bool
2487 2559
2488 # Pleasures of the R4600 V1.x. Cite from the 2560 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2561 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2562 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2563 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2564 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2565 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2566 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2567 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2568 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2569 # four instructions that are not any kind of load or store
2498 # instruction. 2570 # instruction.
2499 # 2571 #
2500 # This is not allowed: lw 2572 # This is not allowed: lw
2501 # nop 2573 # nop
2502 # nop 2574 # nop
2503 # nop 2575 # nop
2504 # cache Hi 2576 # cache Hit_Writeback_Invalidate_D
2505 # 2577 #
2506 # This is allowed: lw 2578 # This is allowed: lw
2507 # nop 2579 # nop
2508 # nop 2580 # nop
2509 # nop 2581 # nop
2510 # nop 2582 # nop
2511 # cache Hi 2583 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2584 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2585 bool
2514 2586
2515 # Writeback and invalidate the primary cache 2587 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2588 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2589 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2590 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2591 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2592 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2593 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2594 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2595 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2596 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2597 bool
2526 2598
2527 # From TX49/H2 manual: "If the instruction (i 2599 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2600 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2601 # operation is not guaranteed."
2530 # 2602 #
2531 # Workaround: do two phase flushing for Index 2603 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2604 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2605 bool
2534 2606
2535 # The RM7000 processors and the E9000 cores h 2607 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2608 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2609 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2610 # exceptions.
2539 config WAR_ICACHE_REFILLS 2611 config WAR_ICACHE_REFILLS
2540 bool 2612 bool
2541 2613
2542 # On the R10000 up to version 2.6 (not sure a 2614 # 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 2615 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2616 config WAR_R10000_LLSC
2545 bool 2617 bool
2546 2618
2547 # 34K core erratum: "Problems Executing the T 2619 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2620 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2621 bool
2550 2622
2551 # 2623 #
2552 # - Highmem only makes sense for the 32-bit k 2624 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2625 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2626 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2627 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2628 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2629 # 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 2630 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2631 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2632 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2633 # know they might have memory configurations that could make use of highmem
2562 # support. 2634 # support.
2563 # 2635 #
2564 config HIGHMEM 2636 config HIGHMEM
2565 bool "High Memory Support" 2637 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2638 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2639 select KMAP_LOCAL
2568 2640
2569 config CPU_SUPPORTS_HIGHMEM 2641 config CPU_SUPPORTS_HIGHMEM
2570 bool 2642 bool
2571 2643
2572 config SYS_SUPPORTS_HIGHMEM 2644 config SYS_SUPPORTS_HIGHMEM
2573 bool 2645 bool
2574 2646
2575 config SYS_SUPPORTS_SMARTMIPS 2647 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2648 bool
2577 2649
2578 config SYS_SUPPORTS_MICROMIPS 2650 config SYS_SUPPORTS_MICROMIPS
2579 bool 2651 bool
2580 2652
2581 config SYS_SUPPORTS_MIPS16 2653 config SYS_SUPPORTS_MIPS16
2582 bool 2654 bool
2583 help 2655 help
2584 This option must be set if a kernel 2656 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2657 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2658 words, it makes the kernel MIPS16-tolerant.
2587 2659
2588 config CPU_SUPPORTS_MSA 2660 config CPU_SUPPORTS_MSA
2589 bool 2661 bool
2590 2662
2591 config ARCH_FLATMEM_ENABLE 2663 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2664 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2665 depends on !NUMA && !CPU_LOONGSON2EF
2594 2666
2595 config ARCH_SPARSEMEM_ENABLE 2667 config ARCH_SPARSEMEM_ENABLE
2596 bool 2668 bool
2597 2669
2598 config NUMA 2670 config NUMA
2599 bool "NUMA Support" 2671 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2672 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2673 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2674 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2675 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2676 help
2605 Say Y to compile the kernel to supp 2677 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2678 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2679 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2680 leave it disabled; on single node systems leave this option
2609 disabled. 2681 disabled.
2610 2682
2611 config SYS_SUPPORTS_NUMA 2683 config SYS_SUPPORTS_NUMA
2612 bool 2684 bool
2613 2685
>> 2686 config HAVE_ARCH_NODEDATA_EXTENSION
>> 2687 bool
>> 2688
2614 config RELOCATABLE 2689 config RELOCATABLE
2615 bool "Relocatable kernel" 2690 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2691 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2692 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2693 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2694 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2695 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2696 CPU_LOONGSON64
2622 help 2697 help
2623 This builds a kernel image that ret 2698 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2699 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2700 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2701 but are discarded at runtime
2627 2702
2628 config RELOCATION_TABLE_SIZE 2703 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2704 hex "Relocation table size"
2630 depends on RELOCATABLE 2705 depends on RELOCATABLE
2631 range 0x0 0x01000000 2706 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2707 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2708 default "0x00100000"
2634 help 2709 help
2635 A table of relocation data will be 2710 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2711 and parsed at boot to fix up the relocated kernel.
2637 2712
2638 This option allows the amount of sp 2713 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2714 adjusted, although the default of 1Mb should be ok in most cases.
2640 2715
2641 The build will fail and a valid siz 2716 The build will fail and a valid size suggested if this is too small.
2642 2717
2643 If unsure, leave at the default val 2718 If unsure, leave at the default value.
2644 2719
2645 config RANDOMIZE_BASE 2720 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2721 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2722 depends on RELOCATABLE
2648 help 2723 help
2649 Randomizes the physical and virtual 2724 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2725 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2726 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2727 of kernel internals.
2653 2728
2654 Entropy is generated using any copr 2729 Entropy is generated using any coprocessor 0 registers available.
2655 2730
2656 The kernel will be offset by up to 2731 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2732
2658 If unsure, say N. 2733 If unsure, say N.
2659 2734
2660 config RANDOMIZE_BASE_MAX_OFFSET 2735 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2736 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2737 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2738 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2739 range 0x0 0x08000000
2665 default "0x01000000" 2740 default "0x01000000"
2666 help 2741 help
2667 When kASLR is active, this provides 2742 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2743 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2744 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2745 PHYSICAL_START and must be a power of 2.
2671 2746
2672 This is limited by the size of KSEG 2747 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2748 EVA or 64-bit. The default is 16Mb.
2674 2749
2675 config NODES_SHIFT 2750 config NODES_SHIFT
2676 int 2751 int
2677 default "6" 2752 default "6"
2678 depends on NUMA 2753 depends on NUMA
2679 2754
2680 config HW_PERF_EVENTS 2755 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2756 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2757 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2758 default y
2684 help 2759 help
2685 Enable hardware performance counter 2760 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2761 disabled, perf events will use software events only.
2687 2762
2688 config DMI 2763 config DMI
2689 bool "Enable DMI scanning" 2764 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2765 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2766 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2767 default y
2693 help 2768 help
2694 Enabled scanning of DMI to identify 2769 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2770 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2771 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2772 BIOS code.
2698 2773
2699 config SMP 2774 config SMP
2700 bool "Multi-Processing support" 2775 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2776 depends on SYS_SUPPORTS_SMP
2702 help 2777 help
2703 This enables support for systems wi 2778 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2779 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2780 than one CPU, say Y.
2706 2781
2707 If you say N here, the kernel will 2782 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2783 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2784 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2785 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2786 will run faster if you say N here.
2712 2787
2713 People using multiprocessor machine 2788 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2789 Y to "Enhanced Real Time Clock Support", below.
2715 2790
2716 See also the SMP-HOWTO available at 2791 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2792 <https://www.tldp.org/docs.html#howto>.
2718 2793
2719 If you don't know what to do here, 2794 If you don't know what to do here, say N.
2720 2795
2721 config HOTPLUG_CPU 2796 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2797 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2798 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2799 help
2725 Say Y here to allow turning CPUs of 2800 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2801 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2802 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2803 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2804 Say N if you want to disable CPU hotplug.
2730 2805
2731 config SMP_UP 2806 config SMP_UP
2732 bool 2807 bool
2733 2808
>> 2809 config SYS_SUPPORTS_MIPS_CMP
>> 2810 bool
>> 2811
2734 config SYS_SUPPORTS_MIPS_CPS 2812 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2813 bool
2736 2814
2737 config SYS_SUPPORTS_SMP 2815 config SYS_SUPPORTS_SMP
2738 bool 2816 bool
2739 2817
2740 config NR_CPUS_DEFAULT_4 2818 config NR_CPUS_DEFAULT_4
2741 bool 2819 bool
2742 2820
2743 config NR_CPUS_DEFAULT_8 2821 config NR_CPUS_DEFAULT_8
2744 bool 2822 bool
2745 2823
2746 config NR_CPUS_DEFAULT_16 2824 config NR_CPUS_DEFAULT_16
2747 bool 2825 bool
2748 2826
2749 config NR_CPUS_DEFAULT_32 2827 config NR_CPUS_DEFAULT_32
2750 bool 2828 bool
2751 2829
2752 config NR_CPUS_DEFAULT_64 2830 config NR_CPUS_DEFAULT_64
2753 bool 2831 bool
2754 2832
2755 config NR_CPUS 2833 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2834 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2835 range 2 256
2758 depends on SMP 2836 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2837 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2838 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2839 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2840 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2841 default "64" if NR_CPUS_DEFAULT_64
2764 help 2842 help
2765 This allows you to specify the maxi 2843 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2844 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2845 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2846 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2847 and 2 for all others.
2770 2848
2771 This is purely to save memory - eac 2849 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2850 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2851 performance should round up your number of processors to the next
2774 power of two. 2852 power of two.
2775 2853
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2854 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2855 bool
2778 2856
2779 config MIPS_NR_CPU_NR_MAP_1024 2857 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2858 bool
2781 2859
2782 config MIPS_NR_CPU_NR_MAP 2860 config MIPS_NR_CPU_NR_MAP
2783 int 2861 int
2784 depends on SMP 2862 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2863 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2864 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2865
2788 # 2866 #
2789 # Timer Interrupt Frequency Configuration 2867 # Timer Interrupt Frequency Configuration
2790 # 2868 #
2791 2869
2792 choice 2870 choice
2793 prompt "Timer frequency" 2871 prompt "Timer frequency"
2794 default HZ_250 2872 default HZ_250
2795 help 2873 help
2796 Allows the configuration of the tim 2874 Allows the configuration of the timer frequency.
2797 2875
2798 config HZ_24 2876 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2877 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2878
2801 config HZ_48 2879 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2880 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2881
2804 config HZ_100 2882 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2883 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2884
2807 config HZ_128 2885 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2886 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2887
2810 config HZ_250 2888 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2889 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2890
2813 config HZ_256 2891 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2892 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2893
2816 config HZ_1000 2894 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2895 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2896
2819 config HZ_1024 2897 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2898 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2899
2822 endchoice 2900 endchoice
2823 2901
2824 config SYS_SUPPORTS_24HZ 2902 config SYS_SUPPORTS_24HZ
2825 bool 2903 bool
2826 2904
2827 config SYS_SUPPORTS_48HZ 2905 config SYS_SUPPORTS_48HZ
2828 bool 2906 bool
2829 2907
2830 config SYS_SUPPORTS_100HZ 2908 config SYS_SUPPORTS_100HZ
2831 bool 2909 bool
2832 2910
2833 config SYS_SUPPORTS_128HZ 2911 config SYS_SUPPORTS_128HZ
2834 bool 2912 bool
2835 2913
2836 config SYS_SUPPORTS_250HZ 2914 config SYS_SUPPORTS_250HZ
2837 bool 2915 bool
2838 2916
2839 config SYS_SUPPORTS_256HZ 2917 config SYS_SUPPORTS_256HZ
2840 bool 2918 bool
2841 2919
2842 config SYS_SUPPORTS_1000HZ 2920 config SYS_SUPPORTS_1000HZ
2843 bool 2921 bool
2844 2922
2845 config SYS_SUPPORTS_1024HZ 2923 config SYS_SUPPORTS_1024HZ
2846 bool 2924 bool
2847 2925
2848 config SYS_SUPPORTS_ARBIT_HZ 2926 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2927 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2928 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2929 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2930 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2931 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2932 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2933 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2934 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2935 !SYS_SUPPORTS_1024HZ
2858 2936
2859 config HZ 2937 config HZ
2860 int 2938 int
2861 default 24 if HZ_24 2939 default 24 if HZ_24
2862 default 48 if HZ_48 2940 default 48 if HZ_48
2863 default 100 if HZ_100 2941 default 100 if HZ_100
2864 default 128 if HZ_128 2942 default 128 if HZ_128
2865 default 250 if HZ_250 2943 default 250 if HZ_250
2866 default 256 if HZ_256 2944 default 256 if HZ_256
2867 default 1000 if HZ_1000 2945 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2946 default 1024 if HZ_1024
2869 2947
2870 config SCHED_HRTICK 2948 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2949 def_bool HIGH_RES_TIMERS
2872 2950
2873 config ARCH_SUPPORTS_KEXEC !! 2951 config KEXEC
2874 def_bool y !! 2952 bool "Kexec system call"
2875 !! 2953 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2954 help
2877 def_bool y !! 2955 kexec is a system call that implements the ability to shutdown your
>> 2956 current kernel, and to start another kernel. It is like a reboot
>> 2957 but it is independent of the system firmware. And like a reboot
>> 2958 you can start any kernel with it, not just Linux.
>> 2959
>> 2960 The name comes from the similarity to the exec system call.
>> 2961
>> 2962 It is an ongoing process to be certain the hardware in a machine
>> 2963 is properly shutdown, so do not be surprised if this code does not
>> 2964 initially work for you. As of this writing the exact hardware
>> 2965 interface is strongly in flux, so no good recommendation can be
>> 2966 made.
>> 2967
>> 2968 config CRASH_DUMP
>> 2969 bool "Kernel crash dumps"
>> 2970 help
>> 2971 Generate crash dump after being started by kexec.
>> 2972 This should be normally only set in special crash dump kernels
>> 2973 which are loaded in the main kernel with kexec-tools into
>> 2974 a specially reserved region and then later executed after
>> 2975 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2976 to a memory address not used by the main kernel or firmware using
>> 2977 PHYSICAL_START.
2878 2978
2879 config PHYSICAL_START 2979 config PHYSICAL_START
2880 hex "Physical address where the kerne 2980 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2981 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2982 depends on CRASH_DUMP
2883 help 2983 help
2884 This gives the CKSEG0 or KSEG0 addr 2984 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2985 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2986 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2987 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2988 passed to the panic-ed kernel).
2889 2989
2890 config MIPS_O32_FP64_SUPPORT 2990 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2991 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2992 depends on 32BIT || MIPS32_O32
2893 help 2993 help
2894 When this is enabled, the kernel wi 2994 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2995 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2996 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2997 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2998 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2999 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3000 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3001 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3002 saying N here.
2903 3003
2904 Although binutils currently support 3004 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3005 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3006 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3007 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3008 be considered experimental and only enabled by those working upon
2909 said details. 3009 said details.
2910 3010
2911 If unsure, say N. 3011 If unsure, say N.
2912 3012
2913 config USE_OF 3013 config USE_OF
2914 bool 3014 bool
2915 select OF 3015 select OF
2916 select OF_EARLY_FLATTREE 3016 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3017 select IRQ_DOMAIN
2918 3018
2919 config UHI_BOOT 3019 config UHI_BOOT
2920 bool 3020 bool
2921 3021
2922 config BUILTIN_DTB 3022 config BUILTIN_DTB
2923 bool 3023 bool
2924 3024
2925 choice 3025 choice
2926 prompt "Kernel appended dtb support" !! 3026 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3027 default MIPS_NO_APPENDED_DTB
2929 3028
2930 config MIPS_NO_APPENDED_DTB 3029 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3030 bool "None"
2932 help 3031 help
2933 Do not enable appended dtb 3032 Do not enable appended dtb support.
2934 3033
2935 config MIPS_ELF_APPENDED_DTB 3034 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3035 bool "vmlinux"
2937 help 3036 help
2938 With this option, the boot 3037 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3038 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3039 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3040 objcopy:
2942 3041
2943 objcopy --update-section 3042 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3043
2945 This is meant as a backward 3044 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3045 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3046 the documented boot protocol using a device tree.
2948 3047
2949 config MIPS_RAW_APPENDED_DTB 3048 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3049 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3050 help
2952 With this option, the boot 3051 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3052 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3053 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3054
2956 This is meant as a backward 3055 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3056 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3057 the documented boot protocol using a device tree.
2959 3058
2960 Beware that there is very l 3059 Beware that there is very little in terms of protection against
2961 this option being confused 3060 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3061 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3062 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3063 if you don't intend to always append a DTB.
2965 endchoice 3064 endchoice
2966 3065
2967 choice 3066 choice
2968 prompt "Kernel command line type" !! 3067 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3068 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3069 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3070 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3071 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3072
2975 config MIPS_CMDLINE_FROM_DTB 3073 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3074 depends on USE_OF
2977 bool "Dtb kernel arguments if 3075 bool "Dtb kernel arguments if available"
2978 3076
2979 config MIPS_CMDLINE_DTB_EXTEND 3077 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3078 depends on USE_OF
2981 bool "Extend dtb kernel argum 3079 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3080
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3081 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3082 bool "Bootloader kernel arguments if available"
2985 3083
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3084 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3085 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3086 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3087 endchoice
2990 3088
2991 endmenu 3089 endmenu
2992 3090
2993 config LOCKDEP_SUPPORT 3091 config LOCKDEP_SUPPORT
2994 bool 3092 bool
2995 default y 3093 default y
2996 3094
2997 config STACKTRACE_SUPPORT 3095 config STACKTRACE_SUPPORT
2998 bool 3096 bool
2999 default y 3097 default y
3000 3098
3001 config PGTABLE_LEVELS 3099 config PGTABLE_LEVELS
3002 int 3100 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3101 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3102 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3103 default 2
3006 3104
3007 config MIPS_AUTO_PFN_OFFSET 3105 config MIPS_AUTO_PFN_OFFSET
3008 bool 3106 bool
3009 3107
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3108 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3109
3012 config PCI_DRIVERS_GENERIC 3110 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3111 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3112 bool
3015 3113
3016 config PCI_DRIVERS_LEGACY 3114 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3115 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3116 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3117 select PCI_DOMAINS if PCI
3020 3118
3021 # 3119 #
3022 # ISA support is now enabled via select. Too 3120 # 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 3121 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3122 # users to choose the right thing ...
3025 # 3123 #
3026 config ISA 3124 config ISA
3027 bool 3125 bool
3028 3126
3029 config TC 3127 config TC
3030 bool "TURBOchannel support" 3128 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3129 depends on MACH_DECSTATION
3032 help 3130 help
3033 TURBOchannel is a DEC (now Compaq ( 3131 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3132 processors. TURBOchannel programming specifications are available
3035 at: 3133 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3134 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3135 and:
3038 <http://www.computer-refuge.org/cla 3136 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3137 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3138 <http://www.linux-mips.org/wiki/DECstation>
3041 3139
3042 config MMU 3140 config MMU
3043 bool 3141 bool
3044 default y 3142 default y
3045 3143
3046 config ARCH_MMAP_RND_BITS_MIN 3144 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3145 default 12 if 64BIT
3048 default 8 3146 default 8
3049 3147
3050 config ARCH_MMAP_RND_BITS_MAX 3148 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3149 default 18 if 64BIT
3052 default 15 3150 default 15
3053 3151
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3152 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3153 default 8
3056 3154
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3155 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3156 default 15
3059 3157
3060 config I8253 3158 config I8253
3061 bool 3159 bool
3062 select CLKSRC_I8253 3160 select CLKSRC_I8253
3063 select CLKEVT_I8253 3161 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3162 select MIPS_EXTERNAL_TIMER
3065 endmenu 3163 endmenu
3066 3164
3067 config TRAD_SIGNALS 3165 config TRAD_SIGNALS
3068 bool 3166 bool
3069 3167
3070 config MIPS32_COMPAT 3168 config MIPS32_COMPAT
3071 bool 3169 bool
3072 3170
3073 config COMPAT 3171 config COMPAT
3074 bool 3172 bool
3075 3173
3076 config MIPS32_O32 3174 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3175 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3176 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3177 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3178 select COMPAT
3081 select MIPS32_COMPAT 3179 select MIPS32_COMPAT
3082 help 3180 help
3083 Select this option if you want to r 3181 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3182 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3183 existing binaries are in this format.
3086 3184
3087 If unsure, say Y. 3185 If unsure, say Y.
3088 3186
3089 config MIPS32_N32 3187 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3188 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3189 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3190 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3191 select COMPAT
3094 select MIPS32_COMPAT 3192 select MIPS32_COMPAT
3095 help 3193 help
3096 Select this option if you want to r 3194 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3195 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3196 data that would normally be 64-bit. They are used in special
3099 cases. 3197 cases.
3100 3198
3101 If unsure, say N. 3199 If unsure, say N.
3102 3200
3103 config CC_HAS_MNO_BRANCH_LIKELY 3201 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y 3202 def_bool y
3105 depends on $(cc-option,-mno-branch-li 3203 depends on $(cc-option,-mno-branch-likely)
3106 3204
3107 # https://github.com/llvm/llvm-project/issues 3205 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3206 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109 def_bool y if CC_IS_CLANG 3207 def_bool y if CC_IS_CLANG
3110 3208
3111 menu "Power management options" 3209 menu "Power management options"
3112 3210
3113 config ARCH_HIBERNATION_POSSIBLE 3211 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3212 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3213 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3214
3117 config ARCH_SUSPEND_POSSIBLE 3215 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3216 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3217 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3218
3121 source "kernel/power/Kconfig" 3219 source "kernel/power/Kconfig"
3122 3220
3123 endmenu 3221 endmenu
3124 3222
3125 config MIPS_EXTERNAL_TIMER 3223 config MIPS_EXTERNAL_TIMER
3126 bool 3224 bool
3127 3225
3128 menu "CPU Power Management" 3226 menu "CPU Power Management"
3129 3227
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3228 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3229 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3230 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133 3231
3134 source "drivers/cpuidle/Kconfig" 3232 source "drivers/cpuidle/Kconfig"
3135 3233
3136 endmenu 3234 endmenu
3137 3235
3138 source "arch/mips/kvm/Kconfig" 3236 source "arch/mips/kvm/Kconfig"
3139 3237
3140 source "arch/mips/vdso/Kconfig" 3238 source "arch/mips/vdso/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.