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 <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 7 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 8 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 9 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 10 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 11 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER 12 select ARCH_HAS_STRNCPY_FROM_USER
17 select ARCH_HAS_STRNLEN_USER 13 select ARCH_HAS_STRNLEN_USER
18 select ARCH_HAS_TICK_BROADCAST if GENE 14 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 15 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 16 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK 17 select ARCH_KEEP_MEMBLOCK
>> 18 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 19 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 20 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST 21 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS 22 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 23 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 24 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 25 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 26 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 27 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 28 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 29 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 30 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 31 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 32 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 33 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 34 select GENERIC_CPU_AUTOPROBE
>> 35 select GENERIC_FIND_FIRST_BIT
38 select GENERIC_GETTIMEOFDAY 36 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 37 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 38 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 39 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 40 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 41 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 42 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 43 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 44 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 45 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 46 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 47 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 48 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 49 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || <<
54 select HAVE_ARCH_COMPILER_H 50 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 51 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 52 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 53 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 54 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 55 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 56 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 57 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 58 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 59 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 60 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 61 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 62 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 63 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 64 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 66 select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
>> 67 !CPU_DADDI_WORKAROUNDS && \
>> 68 !CPU_R4000_WORKAROUNDS && \
>> 69 !CPU_R4400_WORKAROUNDS
71 select HAVE_EXIT_THREAD 70 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 71 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 72 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 74 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 75 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 76 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 77 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 78 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 79 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 80 select HAVE_KPROBES
82 select HAVE_KRETPROBES 81 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 82 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 83 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 84 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON <<
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 85 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 86 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 87 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 88 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 89 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 90 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 91 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 92 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 93 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 94 select IRQ_FORCED_THREADING
99 select ISA if EISA 95 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 96 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 97 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 98 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 99 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 100 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 101 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 102 select TRACE_IRQFLAGS_SUPPORT
>> 103 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 104 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 105
111 config MIPS_FIXUP_BIGPHYS_ADDR 106 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 107 bool
113 108
114 config MIPS_GENERIC 109 config MIPS_GENERIC
115 bool 110 bool
116 111
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 112 config MACH_INGENIC
121 bool 113 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 115 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 116 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 117 select DMA_NONCOHERENT
>> 118 select ARCH_HAS_SYNC_DMA_FOR_CPU
126 select IRQ_MIPS_CPU 119 select IRQ_MIPS_CPU
127 select PINCTRL 120 select PINCTRL
128 select GPIOLIB 121 select GPIOLIB
129 select COMMON_CLK 122 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 123 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 124 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 125 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 126 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 127 select MIPS_EXTERNAL_TIMER
135 128
136 menu "Machine selection" 129 menu "Machine selection"
137 130
138 choice 131 choice
139 prompt "System type" 132 prompt "System type"
140 default MIPS_GENERIC_KERNEL 133 default MIPS_GENERIC_KERNEL
141 134
142 config MIPS_GENERIC_KERNEL 135 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 136 bool "Generic board-agnostic MIPS kernel"
>> 137 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 138 select MIPS_GENERIC
145 select BOOT_RAW 139 select BOOT_RAW
146 select BUILTIN_DTB 140 select BUILTIN_DTB
147 select CEVT_R4K 141 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 142 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 143 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 144 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 145 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 146 select CSRC_R4K
153 select DMA_NONCOHERENT 147 select DMA_NONCOHERENT
154 select HAVE_PCI 148 select HAVE_PCI
155 select IRQ_MIPS_CPU 149 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 150 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 151 select MIPS_CPU_SCACHE
159 select MIPS_GIC 152 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 153 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 154 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 155 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 156 select SMP_UP if SMP
164 select SWAP_IO_SPACE 157 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 158 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 159 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 160 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 161 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 162 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 163 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 164 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 165 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 166 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 167 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 168 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 169 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 170 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 171 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 172 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 173 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 174 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 175 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 176 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 177 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 179 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 181 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 182 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 183 select USE_OF
193 help 184 help
194 Select this to build a kernel which 185 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 186 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 187 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 188 Interface) specification.
198 189
199 config MIPS_ALCHEMY 190 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 191 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 192 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 193 select CEVT_R4K
203 select CSRC_R4K 194 select CSRC_R4K
204 select IRQ_MIPS_CPU 195 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 196 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 197 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 198 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 199 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 200 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 201 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 202 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 203 select COMMON_CLK
213 204
>> 205 config AR7
>> 206 bool "Texas Instruments AR7"
>> 207 select BOOT_ELF32
>> 208 select COMMON_CLK
>> 209 select DMA_NONCOHERENT
>> 210 select CEVT_R4K
>> 211 select CSRC_R4K
>> 212 select IRQ_MIPS_CPU
>> 213 select NO_EXCEPT_FILL
>> 214 select SWAP_IO_SPACE
>> 215 select SYS_HAS_CPU_MIPS32_R1
>> 216 select SYS_HAS_EARLY_PRINTK
>> 217 select SYS_SUPPORTS_32BIT_KERNEL
>> 218 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 219 select SYS_SUPPORTS_MIPS16
>> 220 select SYS_SUPPORTS_ZBOOT_UART16550
>> 221 select GPIOLIB
>> 222 select VLYNQ
>> 223 help
>> 224 Support for the Texas Instruments AR7 System-on-a-Chip
>> 225 family: TNETD7100, 7200 and 7300.
>> 226
214 config ATH25 227 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 228 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 229 select CEVT_R4K
217 select CSRC_R4K 230 select CSRC_R4K
218 select DMA_NONCOHERENT 231 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 232 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 233 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 234 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 235 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 236 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 237 select SYS_HAS_EARLY_PRINTK
225 help 238 help
226 Support for Atheros AR231x and Ather 239 Support for Atheros AR231x and Atheros AR531x based boards
227 240
228 config ATH79 241 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 242 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 243 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 244 select BOOT_RAW
232 select CEVT_R4K 245 select CEVT_R4K
233 select CSRC_R4K 246 select CSRC_R4K
234 select DMA_NONCOHERENT 247 select DMA_NONCOHERENT
235 select GPIOLIB 248 select GPIOLIB
236 select PINCTRL 249 select PINCTRL
237 select COMMON_CLK 250 select COMMON_CLK
238 select IRQ_MIPS_CPU 251 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 252 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 253 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 254 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 255 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 256 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 257 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 258 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 259 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 260 help
248 Support for the Atheros AR71XX/AR724 261 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 262
250 config BMIPS_GENERIC 263 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 264 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 265 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 266 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 267 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 268 select BOOT_RAW
255 select NO_EXCEPT_FILL 269 select NO_EXCEPT_FILL
256 select USE_OF 270 select USE_OF
257 select CEVT_R4K 271 select CEVT_R4K
258 select CSRC_R4K 272 select CSRC_R4K
259 select SYNC_R4K 273 select SYNC_R4K
260 select COMMON_CLK 274 select COMMON_CLK
261 select BCM6345_L1_IRQ 275 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 276 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 277 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 278 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 279 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 280 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 281 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 282 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 283 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 284 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 285 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 286 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 287 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 288 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 289 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 290 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 291 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 292 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 293 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 294 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 295 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 296 select PCI_DRIVERS_GENERIC
283 select FW_CFE <<
284 help 297 help
285 Build a generic DT-based kernel imag 298 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 300 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 301 must be set appropriately for your board.
289 302
290 config BCM47XX 303 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 304 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 305 select BOOT_RAW
293 select CEVT_R4K 306 select CEVT_R4K
294 select CSRC_R4K 307 select CSRC_R4K
295 select DMA_NONCOHERENT 308 select DMA_NONCOHERENT
296 select HAVE_PCI 309 select HAVE_PCI
297 select IRQ_MIPS_CPU 310 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 311 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 312 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 313 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 314 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 315 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 316 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 317 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 318 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 319 select GPIOLIB
307 select LEDS_GPIO_REGISTER 320 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 321 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 322 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 323 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 324 help
312 Support for BCM47XX based boards 325 Support for BCM47XX based boards
313 326
314 config BCM63XX 327 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 328 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 329 select BOOT_RAW
317 select CEVT_R4K 330 select CEVT_R4K
318 select CSRC_R4K 331 select CSRC_R4K
319 select SYNC_R4K 332 select SYNC_R4K
320 select DMA_NONCOHERENT 333 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 334 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 335 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 336 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 337 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 338 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 339 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 340 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 341 select SWAP_IO_SPACE
329 select GPIOLIB 342 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 343 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 344 select HAVE_LEGACY_CLK
332 help 345 help
333 Support for BCM63XX based boards 346 Support for BCM63XX based boards
334 347
335 config MIPS_COBALT 348 config MIPS_COBALT
336 bool "Cobalt Server" 349 bool "Cobalt Server"
337 select CEVT_R4K 350 select CEVT_R4K
338 select CSRC_R4K 351 select CSRC_R4K
339 select CEVT_GT641XX 352 select CEVT_GT641XX
340 select DMA_NONCOHERENT 353 select DMA_NONCOHERENT
341 select FORCE_PCI 354 select FORCE_PCI
342 select I8253 355 select I8253
343 select I8259 356 select I8259
344 select IRQ_MIPS_CPU 357 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 358 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 359 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 360 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 361 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 362 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 363 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 364 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 365 select USE_GENERIC_EARLY_PRINTK_8250
353 366
354 config MACH_DECSTATION 367 config MACH_DECSTATION
355 bool "DECstations" 368 bool "DECstations"
356 select BOOT_ELF32 369 select BOOT_ELF32
357 select CEVT_DS1287 370 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 371 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 372 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 373 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 374 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 375 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 376 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 377 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 378 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 379 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 380 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 381 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 382 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 384 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 385 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 386 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 387 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 388 select MIPS_L1_CACHE_SHIFT_4
376 help 389 help
377 This enables support for DEC's MIPS 390 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 392 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 393
381 If you have one of the following DEC 394 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 395 want to choose R4xx0 for the CPU Type:
383 396
384 DECstation 5000/50 397 DECstation 5000/50
385 DECstation 5000/150 398 DECstation 5000/150
386 DECstation 5000/260 399 DECstation 5000/260
387 DECsystem 5900/260 400 DECsystem 5900/260
388 401
389 otherwise choose R3000. 402 otherwise choose R3000.
390 403
391 config MACH_JAZZ 404 config MACH_JAZZ
392 bool "Jazz family of machines" 405 bool "Jazz family of machines"
393 select ARC_MEMORY 406 select ARC_MEMORY
394 select ARC_PROMLIB 407 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 408 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 409 select ARCH_MIGHT_HAVE_PC_SERIO
>> 410 select DMA_OPS
397 select FW_ARC 411 select FW_ARC
398 select FW_ARC32 412 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 413 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 414 select CEVT_R4K
401 select CSRC_R4K 415 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 416 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 417 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 418 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 419 select IRQ_MIPS_CPU
406 select I8253 420 select I8253
407 select I8259 421 select I8259
408 select ISA 422 select ISA
409 select SYS_HAS_CPU_R4X00 423 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 424 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 425 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 426 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 427 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 428 help
415 This a family of machines based on t 429 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 430 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 431 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 432 Olivetti M700-10 workstations.
419 433
420 config MACH_INGENIC_SOC 434 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 435 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 436 select MIPS_GENERIC
423 select MACH_INGENIC 437 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 438 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 439 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 440 select MIPS_EXTERNAL_TIMER
428 441
429 config LANTIQ 442 config LANTIQ
430 bool "Lantiq based platforms" 443 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 444 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 445 select IRQ_MIPS_CPU
433 select CEVT_R4K 446 select CEVT_R4K
434 select CSRC_R4K 447 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 448 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 449 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 450 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 451 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 452 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 453 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 454 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 455 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 456 select GPIOLIB
445 select SWAP_IO_SPACE 457 select SWAP_IO_SPACE
446 select BOOT_RAW 458 select BOOT_RAW
447 select HAVE_LEGACY_CLK 459 select HAVE_LEGACY_CLK
448 select USE_OF 460 select USE_OF
449 select PINCTRL 461 select PINCTRL
450 select PINCTRL_LANTIQ 462 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 463 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 464 select RESET_CONTROLLER
453 465
454 config MACH_LOONGSON32 466 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 467 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 468 select SYS_SUPPORTS_ZBOOT
457 help 469 help
458 This enables support for the Loongso 470 This enables support for the Loongson-1 family of machines.
459 471
460 Loongson-1 is a family of 32-bit MIP 472 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 473 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 474 Sciences (CAS).
463 475
464 config MACH_LOONGSON2EF 476 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 477 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 478 select SYS_SUPPORTS_ZBOOT
467 help 479 help
468 This enables the support of early Lo 480 This enables the support of early Loongson-2E/F family of machines.
469 481
470 config MACH_LOONGSON64 482 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 483 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 484 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 485 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 486 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 487 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 488 select BOOT_ELF32
478 select BOARD_SCACHE 489 select BOARD_SCACHE
479 select CSRC_R4K 490 select CSRC_R4K
480 select CEVT_R4K 491 select CEVT_R4K
481 select SYNC_R4K !! 492 select CPU_HAS_WB
482 select FORCE_PCI 493 select FORCE_PCI
483 select ISA 494 select ISA
484 select I8259 495 select I8259
485 select IRQ_MIPS_CPU 496 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 497 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 498 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 499 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 500 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 501 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 502 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 503 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 504 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 505 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 506 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 507 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 508 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 509 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 510 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 511 select ZONE_DMA32
501 select COMMON_CLK 512 select COMMON_CLK
502 select USE_OF 513 select USE_OF
503 select BUILTIN_DTB 514 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 515 select PCI_HOST_GENERIC
505 help 516 help
506 This enables the support of Loongson 517 This enables the support of Loongson-2/3 family of machines.
507 518
508 Loongson-2 and Loongson-3 are 64-bit 519 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 520 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 521 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 522 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 523
513 config MIPS_MALTA 524 config MIPS_MALTA
514 bool "MIPS Malta board" 525 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 526 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 527 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 528 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 529 select BOOT_ELF32
519 select BOOT_RAW 530 select BOOT_RAW
520 select BUILTIN_DTB 531 select BUILTIN_DTB
521 select CEVT_R4K 532 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 533 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 534 select COMMON_CLK
524 select CSRC_R4K 535 select CSRC_R4K
525 select DMA_NONCOHERENT 536 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 537 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 538 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 539 select HAVE_PCI
529 select I8253 540 select I8253
530 select I8259 541 select I8259
531 select IRQ_MIPS_CPU 542 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 543 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 544 select MIPS_CPU_SCACHE
534 select MIPS_GIC 545 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 546 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 547 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 548 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 549 select SMP_UP if SMP
539 select SWAP_IO_SPACE 550 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 551 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 552 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 553 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 554 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 555 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 556 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 557 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 558 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 559 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 560 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 561 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 562 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 563 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 564 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 565 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 566 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 567 select SYS_SUPPORTS_MIPS16
>> 568 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 569 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 570 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 571 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 572 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 573 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 574 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 575 select USE_OF
564 select WAR_ICACHE_REFILLS 576 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 577 select ZONE_DMA32 if 64BIT
566 help 578 help
567 This enables support for the MIPS Te 579 This enables support for the MIPS Technologies Malta evaluation
568 board. 580 board.
569 581
570 config MACH_PIC32 582 config MACH_PIC32
571 bool "Microchip PIC32 Family" 583 bool "Microchip PIC32 Family"
572 help 584 help
573 This enables support for the Microch 585 This enables support for the Microchip PIC32 family of platforms.
574 586
575 Microchip PIC32 is a family of gener 587 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 588 microcontrollers.
577 589
578 config EYEQ !! 590 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 591 bool "NEC VR4100 series based machines"
580 select MACH_GENERIC_CORE <<
581 select ARM_AMBA <<
582 select PHYSICAL_START_BOOL <<
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT <<
584 select BOOT_RAW <<
585 select BUILTIN_DTB <<
586 select CEVT_R4K 592 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 593 select CSRC_R4K
592 select DMA_NONCOHERENT !! 594 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 595 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 596 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC <<
598 select MIPS_L1_CACHE_SHIFT_7 <<
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF <<
617 help <<
618 Select this to build a kernel suppor <<
619 <<
620 bool <<
621 597
622 config MACH_NINTENDO64 598 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 599 bool "Nintendo 64 console"
624 select CEVT_R4K 600 select CEVT_R4K
625 select CSRC_R4K 601 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 602 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 603 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 604 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 605 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 606 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 607 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 608 select IRQ_MIPS_CPU
633 609
634 config RALINK 610 config RALINK
635 bool "Ralink based machines" 611 bool "Ralink based machines"
636 select CEVT_R4K 612 select CEVT_R4K
637 select COMMON_CLK 613 select COMMON_CLK
638 select CSRC_R4K 614 select CSRC_R4K
639 select BOOT_RAW 615 select BOOT_RAW
640 select DMA_NONCOHERENT 616 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 617 select IRQ_MIPS_CPU
642 select USE_OF 618 select USE_OF
>> 619 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 620 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 621 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 622 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 623 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 624 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 625 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 626 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 627 select RESET_CONTROLLER
651 628
652 config MACH_REALTEK_RTL 629 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 630 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 631 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 632 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 633 select IRQ_MIPS_CPU
658 select CSRC_R4K 634 select CSRC_R4K
659 select CEVT_R4K 635 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 636 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 637 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 638 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 639 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 640 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 641 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 642 select SYS_SUPPORTS_VPE_LOADER
>> 643 select SYS_HAS_EARLY_PRINTK
>> 644 select SYS_HAS_EARLY_PRINTK_8250
>> 645 select USE_GENERIC_EARLY_PRINTK_8250
667 select BOOT_RAW 646 select BOOT_RAW
668 select PINCTRL 647 select PINCTRL
669 select USE_OF 648 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 649
672 config SGI_IP22 650 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 651 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 652 select ARC_MEMORY
675 select ARC_PROMLIB 653 select ARC_PROMLIB
676 select FW_ARC 654 select FW_ARC
677 select FW_ARC32 655 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 656 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 657 select BOOT_ELF32
680 select CEVT_R4K 658 select CEVT_R4K
681 select CSRC_R4K 659 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 660 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 661 select DMA_NONCOHERENT
684 select HAVE_EISA 662 select HAVE_EISA
685 select I8253 663 select I8253
686 select I8259 664 select I8259
687 select IP22_CPU_SCACHE 665 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 666 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 667 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 668 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 669 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 670 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 671 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 672 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 673 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 674 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 675 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 676 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 677 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 678 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 679 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 680 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 681 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 682 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 683 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 684 select MIPS_L1_CACHE_SHIFT_7
707 help 685 help
708 This are the SGI Indy, Challenge S a 686 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 687 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 688 that runs on these, say Y here.
711 689
712 config SGI_IP27 690 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 691 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 692 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 693 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 694 select FW_ARC
717 select FW_ARC64 695 select FW_ARC64
718 select ARC_CMDLINE_ONLY 696 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 697 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 698 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 699 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 700 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 701 select HAVE_PCI
724 select IRQ_MIPS_CPU 702 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 703 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 704 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 705 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 706 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 707 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 708 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 709 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 710 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 711 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 712 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 713 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 714 select NUMA
737 help 715 help
738 This are the SGI Origin 200, Origin 716 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 717 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 718 here.
741 719
742 config SGI_IP28 720 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 721 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 722 select ARC_MEMORY
745 select ARC_PROMLIB 723 select ARC_PROMLIB
746 select FW_ARC 724 select FW_ARC
747 select FW_ARC64 725 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 726 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 727 select BOOT_ELF64
750 select CEVT_R4K 728 select CEVT_R4K
751 select CSRC_R4K 729 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 730 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 731 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 732 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 733 select IRQ_MIPS_CPU
756 select HAVE_EISA 734 select HAVE_EISA
757 select I8253 735 select I8253
758 select I8259 736 select I8259
759 select SGI_HAS_I8042 737 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 738 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 739 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 740 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 741 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 742 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 743 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 744 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 745 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 746 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 747 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 748 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 749 select MIPS_L1_CACHE_SHIFT_7
772 help 750 help
773 This is the SGI Indigo2 with R10000 751 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 752 kernel that runs on these, say Y here.
775 753
776 config SGI_IP30 754 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 755 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 756 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 757 select FW_ARC
780 select FW_ARC64 758 select FW_ARC64
781 select BOOT_ELF64 759 select BOOT_ELF64
782 select CEVT_R4K 760 select CEVT_R4K
783 select CSRC_R4K 761 select CSRC_R4K
784 select FORCE_PCI 762 select FORCE_PCI
785 select SYNC_R4K if SMP 763 select SYNC_R4K if SMP
786 select ZONE_DMA32 764 select ZONE_DMA32
787 select HAVE_PCI 765 select HAVE_PCI
788 select IRQ_MIPS_CPU 766 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 767 select IRQ_DOMAIN_HIERARCHY
>> 768 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 769 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 770 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 771 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 772 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 773 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 774 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 775 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 776 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 777 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 778 select ARC_MEMORY
800 help 779 help
801 These are the SGI Octane and Octane2 780 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 781 compile a Linux kernel that runs on these, say Y here.
803 782
804 config SGI_IP32 783 config SGI_IP32
805 bool "SGI IP32 (O2)" 784 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 785 select ARC_MEMORY
807 select ARC_PROMLIB 786 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 787 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 788 select FW_ARC
810 select FW_ARC32 789 select FW_ARC32
811 select BOOT_ELF32 790 select BOOT_ELF32
812 select CEVT_R4K 791 select CEVT_R4K
813 select CSRC_R4K 792 select CSRC_R4K
814 select DMA_NONCOHERENT 793 select DMA_NONCOHERENT
815 select HAVE_PCI 794 select HAVE_PCI
816 select IRQ_MIPS_CPU 795 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 796 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 797 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 798 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 799 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 800 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 801 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 802 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 803 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 804 select WAR_ICACHE_REFILLS
826 help 805 help
827 If you want this kernel to run on SG 806 If you want this kernel to run on SGI O2 workstation, say Y here.
828 807
>> 808 config SIBYTE_CRHINE
>> 809 bool "Sibyte BCM91120C-CRhine"
>> 810 select BOOT_ELF32
>> 811 select SIBYTE_BCM1120
>> 812 select SWAP_IO_SPACE
>> 813 select SYS_HAS_CPU_SB1
>> 814 select SYS_SUPPORTS_BIG_ENDIAN
>> 815 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 816
>> 817 config SIBYTE_CARMEL
>> 818 bool "Sibyte BCM91120x-Carmel"
>> 819 select BOOT_ELF32
>> 820 select SIBYTE_BCM1120
>> 821 select SWAP_IO_SPACE
>> 822 select SYS_HAS_CPU_SB1
>> 823 select SYS_SUPPORTS_BIG_ENDIAN
>> 824 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 825
829 config SIBYTE_CRHONE 826 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 827 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 828 select BOOT_ELF32
832 select SIBYTE_BCM1125 829 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 830 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 831 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 832 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 833 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 834 select SYS_SUPPORTS_LITTLE_ENDIAN
838 835
839 config SIBYTE_RHONE 836 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 837 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 838 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 839 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 840 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 841 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 842 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 843 select SYS_SUPPORTS_LITTLE_ENDIAN
847 844
848 config SIBYTE_SWARM 845 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 846 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 847 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 848 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 849 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 850 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 851 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 852 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 853 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 854 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 855 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 856 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 857
861 config SIBYTE_LITTLESUR 858 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 859 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 860 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 861 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 862 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 863 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 864 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 865 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 866 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 867 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 868 select ZONE_DMA32 if 64BIT
872 869
873 config SIBYTE_SENTOSA 870 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 871 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 872 select BOOT_ELF32
876 select SIBYTE_SB1250 873 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 874 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 875 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 876 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 877 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 878 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 879
883 config SIBYTE_BIGSUR 880 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 881 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 882 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 883 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 884 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 885 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 886 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 887 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 888 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 889 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 890 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 891 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 892
896 config SNI_RM 893 config SNI_RM
897 bool "SNI RM200/300/400" 894 bool "SNI RM200/300/400"
898 select ARC_MEMORY 895 select ARC_MEMORY
899 select ARC_PROMLIB 896 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 897 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 898 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 899 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 900 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 901 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 902 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 903 select BOOT_ELF32
907 select CEVT_R4K 904 select CEVT_R4K
908 select CSRC_R4K 905 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 906 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 907 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 908 select GENERIC_ISA_DMA
912 select HAVE_EISA 909 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 910 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 911 select HAVE_PCI
915 select IRQ_MIPS_CPU 912 select IRQ_MIPS_CPU
916 select I8253 913 select I8253
917 select I8259 914 select I8259
918 select ISA 915 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 916 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 917 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 918 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 919 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 920 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 921 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 922 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 923 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 924 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 925 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 926 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 927 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 928 select WAR_R4600_V2_HIT_CACHEOP
932 help 929 help
933 The SNI RM200/300/400 are MIPS-based 930 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 931 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 932 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 933 support this machine type.
937 934
>> 935 config MACH_TX39XX
>> 936 bool "Toshiba TX39 series based machines"
>> 937
938 config MACH_TX49XX 938 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 939 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 940 select WAR_TX49XX_ICACHE_INDEX_INV
941 941
942 config MIKROTIK_RB532 942 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 943 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 944 select CEVT_R4K
945 select CSRC_R4K 945 select CSRC_R4K
946 select DMA_NONCOHERENT 946 select DMA_NONCOHERENT
947 select HAVE_PCI 947 select HAVE_PCI
948 select IRQ_MIPS_CPU 948 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 949 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 950 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 951 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 952 select SWAP_IO_SPACE
953 select BOOT_RAW 953 select BOOT_RAW
954 select GPIOLIB 954 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 955 select MIPS_L1_CACHE_SHIFT_4
956 help 956 help
957 Support the Mikrotik(tm) RouterBoard 957 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 958 based on the IDT RC32434 SoC.
959 959
960 config CAVIUM_OCTEON_SOC 960 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 961 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 962 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 963 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 964 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 965 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 966 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 967 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 968 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 969 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 970 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 972 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 973 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 974 select HAVE_PCI
975 select HAVE_PLAT_DELAY 975 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 976 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 977 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 978 select ZONE_DMA32
979 select GPIOLIB 979 select GPIOLIB
980 select USE_OF 980 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 981 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 982 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 983 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 984 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 985 select BUILTIN_DTB
986 select MTD 986 select MTD
987 select MTD_COMPLEX_MAPPINGS 987 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 988 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 989 select SYS_SUPPORTS_RELOCATABLE
990 help 990 help
991 This option supports all of the Octe 991 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 992 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 993 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 994 Some of the supported boards are:
995 EBT3000 995 EBT3000
996 EBH3000 996 EBH3000
997 EBH3100 997 EBH3100
998 Thunder 998 Thunder
999 Kodama 999 Kodama
1000 Hikari 1000 Hikari
1001 Say Y here for most Octeon referenc 1001 Say Y here for most Octeon reference boards.
1002 1002
1003 endchoice 1003 endchoice
1004 1004
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" 1005 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1006 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1007 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1008 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1009 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1010 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1011 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1012 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1013 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1014 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1015 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1016 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1017 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1018 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1019 source "arch/mips/txx9/Kconfig"
>> 1020 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1021 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1022 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1023 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1024 source "arch/mips/loongson64/Kconfig"
1034 1025
1035 endmenu 1026 endmenu
1036 1027
1037 config GENERIC_HWEIGHT 1028 config GENERIC_HWEIGHT
1038 bool 1029 bool
1039 default y 1030 default y
1040 1031
1041 config GENERIC_CALIBRATE_DELAY 1032 config GENERIC_CALIBRATE_DELAY
1042 bool 1033 bool
1043 default y 1034 default y
1044 1035
1045 config SCHED_OMIT_FRAME_POINTER 1036 config SCHED_OMIT_FRAME_POINTER
1046 bool 1037 bool
1047 default y 1038 default y
1048 1039
1049 # 1040 #
1050 # Select some configuration options automatic 1041 # Select some configuration options automatically based on user selections.
1051 # 1042 #
1052 config FW_ARC 1043 config FW_ARC
1053 bool 1044 bool
1054 1045
1055 config ARCH_MAY_HAVE_PC_FDC 1046 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1047 bool
1057 1048
1058 config BOOT_RAW 1049 config BOOT_RAW
1059 bool 1050 bool
1060 1051
1061 config CEVT_BCM1480 1052 config CEVT_BCM1480
1062 bool 1053 bool
1063 1054
1064 config CEVT_DS1287 1055 config CEVT_DS1287
1065 bool 1056 bool
1066 1057
1067 config CEVT_GT641XX 1058 config CEVT_GT641XX
1068 bool 1059 bool
1069 1060
1070 config CEVT_R4K 1061 config CEVT_R4K
1071 bool 1062 bool
1072 1063
1073 config CEVT_SB1250 1064 config CEVT_SB1250
1074 bool 1065 bool
1075 1066
1076 config CEVT_TXX9 1067 config CEVT_TXX9
1077 bool 1068 bool
1078 1069
1079 config CSRC_BCM1480 1070 config CSRC_BCM1480
1080 bool 1071 bool
1081 1072
1082 config CSRC_IOASIC 1073 config CSRC_IOASIC
1083 bool 1074 bool
1084 1075
1085 config CSRC_R4K 1076 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1077 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1078 bool
1089 1079
1090 config CSRC_SB1250 1080 config CSRC_SB1250
1091 bool 1081 bool
1092 1082
1093 config MIPS_CLOCK_VSYSCALL 1083 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1084 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1085
1096 config GPIO_TXX9 1086 config GPIO_TXX9
1097 select GPIOLIB 1087 select GPIOLIB
1098 bool 1088 bool
1099 1089
1100 config FW_CFE 1090 config FW_CFE
1101 bool 1091 bool
1102 1092
1103 config ARCH_SUPPORTS_UPROBES 1093 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1094 bool
>> 1095
>> 1096 config DMA_PERDEV_COHERENT
>> 1097 bool
>> 1098 select ARCH_HAS_SETUP_DMA_OPS
>> 1099 select DMA_NONCOHERENT
1105 1100
1106 config DMA_NONCOHERENT 1101 config DMA_NONCOHERENT
1107 bool 1102 bool
1108 # 1103 #
1109 # MIPS allows mixing "slightly differ 1104 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1105 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1106 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1107 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1108 # significant advantages.
1114 # 1109 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1110 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1111 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1112 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1113 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1114 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1115 select NEED_DMA_MAP_STATE
1123 1116
1124 config SYS_HAS_EARLY_PRINTK 1117 config SYS_HAS_EARLY_PRINTK
1125 bool 1118 bool
1126 1119
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1120 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1121 bool
1129 1122
1130 config MIPS_BONITO64 1123 config MIPS_BONITO64
1131 bool 1124 bool
1132 1125
1133 config MIPS_MSC 1126 config MIPS_MSC
1134 bool 1127 bool
1135 1128
1136 config SYNC_R4K 1129 config SYNC_R4K
1137 bool 1130 bool
1138 1131
1139 config NO_IOPORT_MAP 1132 config NO_IOPORT_MAP
1140 def_bool n 1133 def_bool n
1141 1134
1142 config GENERIC_CSUM 1135 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1136 def_bool CPU_NO_LOAD_STORE_LR
1144 1137
1145 config GENERIC_ISA_DMA 1138 config GENERIC_ISA_DMA
1146 bool 1139 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1140 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1141 select ISA_DMA_API
1149 1142
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1143 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1144 bool
1152 select GENERIC_ISA_DMA 1145 select GENERIC_ISA_DMA
1153 1146
1154 config HAVE_PLAT_DELAY 1147 config HAVE_PLAT_DELAY
1155 bool 1148 bool
1156 1149
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1150 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1151 bool
1159 1152
1160 config HAVE_PLAT_MEMCPY 1153 config HAVE_PLAT_MEMCPY
1161 bool 1154 bool
1162 1155
1163 config ISA_DMA_API 1156 config ISA_DMA_API
1164 bool 1157 bool
1165 1158
1166 config SYS_SUPPORTS_RELOCATABLE 1159 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1160 bool
1168 help 1161 help
1169 Selected if the platform supports r 1162 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1163 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1164 to allow access to command line and entropy sources.
1172 1165
1173 # 1166 #
1174 # Endianness selection. Sufficiently obscure 1167 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1168 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1169 # choice statement should be more obvious to the user.
1177 # 1170 #
1178 choice 1171 choice
1179 prompt "Endianness selection" 1172 prompt "Endianness selection"
1180 help 1173 help
1181 Some MIPS machines can be configure 1174 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1175 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1176 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1177 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1178 one or the other endianness.
1186 1179
1187 config CPU_BIG_ENDIAN 1180 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1181 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1182 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1183
1191 config CPU_LITTLE_ENDIAN 1184 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1185 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1186 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1187
1195 endchoice 1188 endchoice
1196 1189
1197 config EXPORT_UASM 1190 config EXPORT_UASM
1198 bool 1191 bool
1199 1192
1200 config SYS_SUPPORTS_APM_EMULATION 1193 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1194 bool
1202 1195
1203 config SYS_SUPPORTS_BIG_ENDIAN 1196 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1197 bool
1205 1198
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1199 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1200 bool
1208 1201
1209 config MIPS_HUGE_TLB_SUPPORT 1202 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1203 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1204
>> 1205 config IRQ_MSP_SLP
>> 1206 bool
>> 1207
>> 1208 config IRQ_MSP_CIC
>> 1209 bool
>> 1210
1212 config IRQ_TXX9 1211 config IRQ_TXX9
1213 bool 1212 bool
1214 1213
1215 config IRQ_GT641XX 1214 config IRQ_GT641XX
1216 bool 1215 bool
1217 1216
1218 config PCI_GT64XXX_PCI0 1217 config PCI_GT64XXX_PCI0
1219 bool 1218 bool
1220 1219
1221 config PCI_XTALK_BRIDGE 1220 config PCI_XTALK_BRIDGE
1222 bool 1221 bool
1223 1222
1224 config NO_EXCEPT_FILL 1223 config NO_EXCEPT_FILL
1225 bool 1224 bool
1226 1225
1227 config MIPS_SPRAM 1226 config MIPS_SPRAM
1228 bool 1227 bool
1229 1228
1230 config SWAP_IO_SPACE 1229 config SWAP_IO_SPACE
1231 bool 1230 bool
1232 1231
1233 config SGI_HAS_INDYDOG 1232 config SGI_HAS_INDYDOG
1234 bool 1233 bool
1235 1234
1236 config SGI_HAS_HAL2 1235 config SGI_HAS_HAL2
1237 bool 1236 bool
1238 1237
1239 config SGI_HAS_SEEQ 1238 config SGI_HAS_SEEQ
1240 bool 1239 bool
1241 1240
1242 config SGI_HAS_WD93 1241 config SGI_HAS_WD93
1243 bool 1242 bool
1244 1243
1245 config SGI_HAS_ZILOG 1244 config SGI_HAS_ZILOG
1246 bool 1245 bool
1247 1246
1248 config SGI_HAS_I8042 1247 config SGI_HAS_I8042
1249 bool 1248 bool
1250 1249
1251 config DEFAULT_SGI_PARTITION 1250 config DEFAULT_SGI_PARTITION
1252 bool 1251 bool
1253 1252
1254 config FW_ARC32 1253 config FW_ARC32
1255 bool 1254 bool
1256 1255
1257 config FW_SNIPROM 1256 config FW_SNIPROM
1258 bool 1257 bool
1259 1258
1260 config BOOT_ELF32 1259 config BOOT_ELF32
1261 bool 1260 bool
1262 1261
1263 config MIPS_L1_CACHE_SHIFT_4 1262 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1263 bool
1265 1264
1266 config MIPS_L1_CACHE_SHIFT_5 1265 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1266 bool
1268 1267
1269 config MIPS_L1_CACHE_SHIFT_6 1268 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1269 bool
1271 1270
1272 config MIPS_L1_CACHE_SHIFT_7 1271 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1272 bool
1274 1273
1275 config MIPS_L1_CACHE_SHIFT 1274 config MIPS_L1_CACHE_SHIFT
1276 int 1275 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1276 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1277 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1278 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1279 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1280 default "5"
1282 1281
1283 config ARC_CMDLINE_ONLY 1282 config ARC_CMDLINE_ONLY
1284 bool 1283 bool
1285 1284
1286 config ARC_CONSOLE 1285 config ARC_CONSOLE
1287 bool "ARC console support" 1286 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1287 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1288
1290 config ARC_MEMORY 1289 config ARC_MEMORY
1291 bool 1290 bool
1292 1291
1293 config ARC_PROMLIB 1292 config ARC_PROMLIB
1294 bool 1293 bool
1295 1294
1296 config FW_ARC64 1295 config FW_ARC64
1297 bool 1296 bool
1298 1297
1299 config BOOT_ELF64 1298 config BOOT_ELF64
1300 bool 1299 bool
1301 1300
1302 menu "CPU selection" 1301 menu "CPU selection"
1303 1302
1304 choice 1303 choice
1305 prompt "CPU type" 1304 prompt "CPU type"
1306 default CPU_R4X00 1305 default CPU_R4X00
1307 1306
1308 config CPU_LOONGSON64 1307 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1308 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1309 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1310 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1311 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1312 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1313 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1314 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1315 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1316 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1317 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1318 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1319 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1320 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1321 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1322 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1323 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1324 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1325 select GPIOLIB
1329 select SWIOTLB 1326 select SWIOTLB
>> 1327 select HAVE_KVM
>> 1328 help
>> 1329 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1330 cores implements the MIPS64R2 instruction set with many extensions,
>> 1331 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1332 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1333 Loongson-2E/2F is not covered here and will be removed in future.
>> 1334
>> 1335 config LOONGSON3_ENHANCEMENT
>> 1336 bool "New Loongson-3 CPU Enhancements"
>> 1337 default n
>> 1338 depends on CPU_LOONGSON64
>> 1339 help
>> 1340 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1341 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1342 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1343 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1344 Fast TLB refill support, etc.
>> 1345
>> 1346 This option enable those enhancements which are not probed at run
>> 1347 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1348 please say 'N' here. If you want a high-performance kernel to run on
>> 1349 new Loongson-3 machines only, please say 'Y' here.
>> 1350
>> 1351 config CPU_LOONGSON3_WORKAROUNDS
>> 1352 bool "Old Loongson-3 LLSC Workarounds"
>> 1353 default y if SMP
>> 1354 depends on CPU_LOONGSON64
>> 1355 help
>> 1356 Loongson-3 processors have the llsc issues which require workarounds.
>> 1357 Without workarounds the system may hang unexpectedly.
>> 1358
>> 1359 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1360 The workarounds have no significant side effect on them but may
>> 1361 decrease the performance of the system so this option should be
>> 1362 disabled unless the kernel is intended to be run on old systems.
>> 1363
>> 1364 If unsure, please say Y.
>> 1365
>> 1366 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1367 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1368 default y
>> 1369 depends on CPU_LOONGSON64
1330 help 1370 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1371 Loongson-3A R4 and newer have the CPUCFG instruction available for
1332 cores implements the MIPS64R2 instr !! 1372 userland to query CPU capabilities, much like CPUID on x86. This
1333 including most 64-bit Loongson-2 (2 !! 1373 option provides emulation of the instruction on older Loongson
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1374 cores, back to Loongson-3A1000.
1335 Loongson-2E/2F is not covered here !! 1375
>> 1376 If unsure, please say Y.
1336 1377
1337 config CPU_LOONGSON2E 1378 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1379 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1380 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1381 select CPU_LOONGSON2EF
1341 help 1382 help
1342 The Loongson 2E processor implement 1383 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1384 with many extensions.
1344 1385
1345 It has an internal FPGA northbridge 1386 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1387 bonito64.
1347 1388
1348 config CPU_LOONGSON2F 1389 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1390 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1391 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1392 select CPU_LOONGSON2EF
>> 1393 select GPIOLIB
1352 help 1394 help
1353 The Loongson 2F processor implement 1395 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1396 with many extensions.
1355 1397
1356 Loongson2F have built-in DDR2 and P 1398 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1399 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1400 Loongson2E.
1359 1401
1360 config CPU_LOONGSON1B 1402 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1403 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1404 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1405 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1406 select LEDS_GPIO_REGISTER
1365 help 1407 help
1366 The Loongson 1B is a 32-bit SoC, wh 1408 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1409 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1410 instruction set.
1369 1411
1370 config CPU_LOONGSON1C 1412 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1413 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1414 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1415 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1416 select LEDS_GPIO_REGISTER
1375 help 1417 help
1376 The Loongson 1C is a 32-bit SoC, wh 1418 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1419 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1420 instruction set.
1379 1421
1380 config CPU_MIPS32_R1 1422 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1423 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1424 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1425 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1426 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1427 select CPU_SUPPORTS_HIGHMEM
1386 help 1428 help
1387 Choose this option to build a kerne 1429 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1430 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1431 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1432 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1433 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1434 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1435 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1436 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1437 performance.
1396 1438
1397 config CPU_MIPS32_R2 1439 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1440 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1441 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1442 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1443 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1444 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1445 select CPU_SUPPORTS_MSA
>> 1446 select HAVE_KVM
1404 help 1447 help
1405 Choose this option to build a kerne 1448 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1449 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1450 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1451 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1452 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1453
1411 config CPU_MIPS32_R5 1454 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1455 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1456 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1457 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1458 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1459 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1460 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1461 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1462 select MIPS_O32_FP64_SUPPORT
1420 help 1463 help
1421 Choose this option to build a kerne 1464 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1465 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1466 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1467 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1468
1426 config CPU_MIPS32_R6 1469 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1470 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1471 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1472 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1473 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1474 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1475 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1476 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1477 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1478 select MIPS_O32_FP64_SUPPORT
1436 help 1479 help
1437 Choose this option to build a kerne 1480 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1481 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1482 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1483 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1484
1442 config CPU_MIPS64_R1 1485 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1486 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1487 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1488 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1489 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1490 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1491 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1492 select CPU_SUPPORTS_HUGEPAGES
1450 help 1493 help
1451 Choose this option to build a kerne 1494 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1495 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1496 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1497 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1498 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1499 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1500 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1501 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1502 performance.
1460 1503
1461 config CPU_MIPS64_R2 1504 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1505 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1506 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1507 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1508 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1509 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1510 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1511 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1512 select CPU_SUPPORTS_MSA
>> 1513 select HAVE_KVM
1470 help 1514 help
1471 Choose this option to build a kerne 1515 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1516 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1517 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1518 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1519 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1520
1477 config CPU_MIPS64_R5 1521 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1522 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1523 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1524 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1525 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1526 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1527 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1528 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1529 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1530 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1531 select HAVE_KVM
1488 help 1532 help
1489 Choose this option to build a kerne 1533 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1534 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1535 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1536 any hardware known to be based on this release.
1493 1537
1494 config CPU_MIPS64_R6 1538 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1539 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1540 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1541 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1542 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1543 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1544 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1545 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1546 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1547 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1548 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1549 select HAVE_KVM
1506 help 1550 help
1507 Choose this option to build a kerne 1551 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1552 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1553 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1554 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1555
1512 config CPU_P5600 1556 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1557 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1558 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1559 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1560 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1561 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1562 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1563 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1564 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1565 select CPU_MIPSR2_IRQ_EI
>> 1566 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1567 select MIPS_O32_FP64_SUPPORT
1524 help 1568 help
1525 Choose this option to build a kerne 1569 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1570 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1571 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1572 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1573 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1574 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1575 eJTAG and PDtrace.
1532 1576
1533 config CPU_R3000 1577 config CPU_R3000
1534 bool "R3000" 1578 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1579 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1580 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1581 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1582 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1583 select CPU_SUPPORTS_HIGHMEM
1540 help 1584 help
1541 Please make sure to pick the right 1585 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1586 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1587 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1588 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1589 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1590 try to recompile with R3000.
1547 1591
>> 1592 config CPU_TX39XX
>> 1593 bool "R39XX"
>> 1594 depends on SYS_HAS_CPU_TX39XX
>> 1595 select CPU_SUPPORTS_32BIT_KERNEL
>> 1596 select CPU_R3K_TLB
>> 1597
>> 1598 config CPU_VR41XX
>> 1599 bool "R41xx"
>> 1600 depends on SYS_HAS_CPU_VR41XX
>> 1601 select CPU_SUPPORTS_32BIT_KERNEL
>> 1602 select CPU_SUPPORTS_64BIT_KERNEL
>> 1603 help
>> 1604 The options selects support for the NEC VR4100 series of processors.
>> 1605 Only choose this option if you have one of these processors as a
>> 1606 kernel built with this option will not run on any other type of
>> 1607 processor or vice versa.
>> 1608
1548 config CPU_R4300 1609 config CPU_R4300
1549 bool "R4300" 1610 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1611 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1612 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1613 select CPU_SUPPORTS_64BIT_KERNEL
>> 1614 select CPU_HAS_LOAD_STORE_LR
1553 help 1615 help
1554 MIPS Technologies R4300-series proc 1616 MIPS Technologies R4300-series processors.
1555 1617
1556 config CPU_R4X00 1618 config CPU_R4X00
1557 bool "R4x00" 1619 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1620 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1621 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1622 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1623 select CPU_SUPPORTS_HUGEPAGES
1562 help 1624 help
1563 MIPS Technologies R4000-series proc 1625 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1626 the R4000, R4400, R4600, and 4700.
1565 1627
1566 config CPU_TX49XX 1628 config CPU_TX49XX
1567 bool "R49XX" 1629 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1630 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1631 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1632 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1633 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1634 select CPU_SUPPORTS_HUGEPAGES
1573 1635
1574 config CPU_R5000 1636 config CPU_R5000
1575 bool "R5000" 1637 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1638 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1639 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1640 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1641 select CPU_SUPPORTS_HUGEPAGES
1580 help 1642 help
1581 MIPS Technologies R5000-series proc 1643 MIPS Technologies R5000-series processors other than the Nevada.
1582 1644
1583 config CPU_R5500 1645 config CPU_R5500
1584 bool "R5500" 1646 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1647 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1648 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1649 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1650 select CPU_SUPPORTS_HUGEPAGES
1589 help 1651 help
1590 NEC VR5500 and VR5500A series proce 1652 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1653 instruction set.
1592 1654
1593 config CPU_NEVADA 1655 config CPU_NEVADA
1594 bool "RM52xx" 1656 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1657 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1658 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1659 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1660 select CPU_SUPPORTS_HUGEPAGES
1599 help 1661 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1662 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1663
1602 config CPU_R10000 1664 config CPU_R10000
1603 bool "R10000" 1665 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1666 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1667 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1668 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1669 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1670 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1671 select CPU_SUPPORTS_HUGEPAGES
1610 help 1672 help
1611 MIPS Technologies R10000-series pro 1673 MIPS Technologies R10000-series processors.
1612 1674
1613 config CPU_RM7000 1675 config CPU_RM7000
1614 bool "RM7000" 1676 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1677 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1678 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1679 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1680 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1681 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1682 select CPU_SUPPORTS_HUGEPAGES
1621 1683
1622 config CPU_SB1 1684 config CPU_SB1
1623 bool "SB1" 1685 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1686 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1687 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1688 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1689 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1690 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1691 select WEAK_ORDERING
1630 1692
1631 config CPU_CAVIUM_OCTEON 1693 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1694 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1695 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1696 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1697 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 1698 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1699 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1700 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1701 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1702 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1703 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1704 select HAVE_KVM
1645 help 1705 help
1646 The Cavium Octeon processor is a hi 1706 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1707 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1708 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1709 Full details can be found at http://www.caviumnetworks.com.
1650 1710
1651 config CPU_BMIPS 1711 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1712 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1713 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1714 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1715 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1716 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1717 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1718 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1719 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1720 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1721 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1722 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1723 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1724 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1725 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1726 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1727 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1728 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1729 help
1670 Support for BMIPS32/3300/4350/4380 1730 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1731
1672 endchoice 1732 endchoice
1673 1733
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 1734 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1735 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1736 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1737 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1738 CPU_P5600
1717 help 1739 help
1718 Choose this option to build a kerne 1740 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1741 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1742 support for Enhanced Virtual Addressing (EVA).
1721 1743
1722 config CPU_MIPS32_3_5_EVA 1744 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1745 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1746 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1747 select EVA
1726 default y 1748 default y
1727 help 1749 help
1728 Choose this option if you want to e 1750 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1751 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1752 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1753 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1754
1733 config CPU_MIPS32_R5_FEATURES 1755 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1756 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1757 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1758 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1759 help
1738 Choose this option to build a kerne 1760 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1761 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1762 support for Extended Physical Addressing (XPA).
1741 1763
1742 config CPU_MIPS32_R5_XPA 1764 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1765 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1766 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1767 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1768 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1769 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1770 select XPA
1749 select HIGHMEM 1771 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1772 select PHYS_ADDR_T_64BIT
1751 default n 1773 default n
1752 help 1774 help
1753 Choose this option if you want to e 1775 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1776 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1777 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1778 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1779 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1780 If unsure, say 'N' here.
1759 1781
1760 if CPU_LOONGSON2F 1782 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1783 config CPU_NOP_WORKAROUNDS
1762 bool 1784 bool
1763 1785
1764 config CPU_JUMP_WORKAROUNDS 1786 config CPU_JUMP_WORKAROUNDS
1765 bool 1787 bool
1766 1788
1767 config CPU_LOONGSON2F_WORKAROUNDS 1789 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1790 bool "Loongson 2F Workarounds"
1769 default y 1791 default y
1770 select CPU_NOP_WORKAROUNDS 1792 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1793 select CPU_JUMP_WORKAROUNDS
1772 help 1794 help
1773 Loongson 2F01 / 2F02 processors hav 1795 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1796 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1797 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1798 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1799
1778 Loongson 2F03 and later have fixed 1800 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1801 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1802 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1803 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1804 systems.
1783 1805
1784 If unsure, please say Y. 1806 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1807 endif # CPU_LOONGSON2F
1786 1808
1787 config SYS_SUPPORTS_ZBOOT 1809 config SYS_SUPPORTS_ZBOOT
1788 bool 1810 bool
1789 select HAVE_KERNEL_GZIP 1811 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1812 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1813 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1814 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1815 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1816 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1817 select HAVE_KERNEL_ZSTD
1796 1818
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1819 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1820 bool
1799 select SYS_SUPPORTS_ZBOOT 1821 select SYS_SUPPORTS_ZBOOT
1800 1822
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1823 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1824 bool
1803 select SYS_SUPPORTS_ZBOOT 1825 select SYS_SUPPORTS_ZBOOT
1804 1826
1805 config CPU_LOONGSON2EF 1827 config CPU_LOONGSON2EF
1806 bool 1828 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1829 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1830 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1831 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1832 select CPU_SUPPORTS_HUGEPAGES
>> 1833 select ARCH_HAS_PHYS_TO_DMA
1811 1834
1812 config CPU_LOONGSON32 1835 config CPU_LOONGSON32
1813 bool 1836 bool
1814 select CPU_MIPS32 1837 select CPU_MIPS32
1815 select CPU_MIPSR2 1838 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1839 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1840 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1841 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1842 select CPU_SUPPORTS_CPUFREQ
1820 1843
1821 config CPU_BMIPS32_3300 1844 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1845 select SMP_UP if SMP
1823 bool 1846 bool
1824 1847
1825 config CPU_BMIPS4350 1848 config CPU_BMIPS4350
1826 bool 1849 bool
1827 select SYS_SUPPORTS_SMP 1850 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1851 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1852
1830 config CPU_BMIPS4380 1853 config CPU_BMIPS4380
1831 bool 1854 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1855 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1856 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1857 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1858 select CPU_HAS_RIXI
1836 1859
1837 config CPU_BMIPS5000 1860 config CPU_BMIPS5000
1838 bool 1861 bool
1839 select MIPS_CPU_SCACHE 1862 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1863 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1864 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1865 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1866 select CPU_HAS_RIXI
1844 1867
1845 config SYS_HAS_CPU_LOONGSON64 1868 config SYS_HAS_CPU_LOONGSON64
1846 bool 1869 bool
1847 select CPU_SUPPORTS_CPUFREQ 1870 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1871 select CPU_HAS_RIXI
1849 1872
1850 config SYS_HAS_CPU_LOONGSON2E 1873 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1874 bool
1852 1875
1853 config SYS_HAS_CPU_LOONGSON2F 1876 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1877 bool
1855 select CPU_SUPPORTS_CPUFREQ 1878 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1879 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1880
1858 config SYS_HAS_CPU_LOONGSON1B 1881 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1882 bool
1860 1883
1861 config SYS_HAS_CPU_LOONGSON1C 1884 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1885 bool
1863 1886
1864 config SYS_HAS_CPU_MIPS32_R1 1887 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1888 bool
1866 1889
1867 config SYS_HAS_CPU_MIPS32_R2 1890 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1891 bool
1869 1892
1870 config SYS_HAS_CPU_MIPS32_R3_5 1893 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1894 bool
1872 1895
1873 config SYS_HAS_CPU_MIPS32_R5 1896 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1897 bool
>> 1898 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1899
1876 config SYS_HAS_CPU_MIPS32_R6 1900 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1901 bool
>> 1902 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1903
1879 config SYS_HAS_CPU_MIPS64_R1 1904 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1905 bool
1881 1906
1882 config SYS_HAS_CPU_MIPS64_R2 1907 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1908 bool
1884 1909
1885 config SYS_HAS_CPU_MIPS64_R5 1910 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1911 bool
>> 1912 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1913
1888 config SYS_HAS_CPU_MIPS64_R6 1914 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1915 bool
>> 1916 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1917
1891 config SYS_HAS_CPU_P5600 1918 config SYS_HAS_CPU_P5600
1892 bool 1919 bool
>> 1920 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 1921
1894 config SYS_HAS_CPU_R3000 1922 config SYS_HAS_CPU_R3000
1895 bool 1923 bool
1896 1924
>> 1925 config SYS_HAS_CPU_TX39XX
>> 1926 bool
>> 1927
>> 1928 config SYS_HAS_CPU_VR41XX
>> 1929 bool
>> 1930
1897 config SYS_HAS_CPU_R4300 1931 config SYS_HAS_CPU_R4300
1898 bool 1932 bool
1899 1933
1900 config SYS_HAS_CPU_R4X00 1934 config SYS_HAS_CPU_R4X00
1901 bool 1935 bool
1902 1936
1903 config SYS_HAS_CPU_TX49XX 1937 config SYS_HAS_CPU_TX49XX
1904 bool 1938 bool
1905 1939
1906 config SYS_HAS_CPU_R5000 1940 config SYS_HAS_CPU_R5000
1907 bool 1941 bool
1908 1942
1909 config SYS_HAS_CPU_R5500 1943 config SYS_HAS_CPU_R5500
1910 bool 1944 bool
1911 1945
1912 config SYS_HAS_CPU_NEVADA 1946 config SYS_HAS_CPU_NEVADA
1913 bool 1947 bool
1914 1948
1915 config SYS_HAS_CPU_R10000 1949 config SYS_HAS_CPU_R10000
1916 bool 1950 bool
>> 1951 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1952
1918 config SYS_HAS_CPU_RM7000 1953 config SYS_HAS_CPU_RM7000
1919 bool 1954 bool
1920 1955
1921 config SYS_HAS_CPU_SB1 1956 config SYS_HAS_CPU_SB1
1922 bool 1957 bool
1923 1958
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1959 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1960 bool
1926 1961
1927 config SYS_HAS_CPU_BMIPS 1962 config SYS_HAS_CPU_BMIPS
1928 bool 1963 bool
1929 1964
1930 config SYS_HAS_CPU_BMIPS32_3300 1965 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1966 bool
1932 select SYS_HAS_CPU_BMIPS 1967 select SYS_HAS_CPU_BMIPS
1933 1968
1934 config SYS_HAS_CPU_BMIPS4350 1969 config SYS_HAS_CPU_BMIPS4350
1935 bool 1970 bool
1936 select SYS_HAS_CPU_BMIPS 1971 select SYS_HAS_CPU_BMIPS
1937 1972
1938 config SYS_HAS_CPU_BMIPS4380 1973 config SYS_HAS_CPU_BMIPS4380
1939 bool 1974 bool
1940 select SYS_HAS_CPU_BMIPS 1975 select SYS_HAS_CPU_BMIPS
1941 1976
1942 config SYS_HAS_CPU_BMIPS5000 1977 config SYS_HAS_CPU_BMIPS5000
1943 bool 1978 bool
1944 select SYS_HAS_CPU_BMIPS 1979 select SYS_HAS_CPU_BMIPS
>> 1980 select ARCH_HAS_SYNC_DMA_FOR_CPU
1945 1981
1946 # 1982 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1983 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1984 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1985 #
1950 config WEAK_ORDERING 1986 config WEAK_ORDERING
1951 bool 1987 bool
1952 1988
1953 # 1989 #
1954 # CPU may reorder reads and writes beyond LL/ 1990 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1991 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1992 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1993 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1994 bool
1959 endmenu 1995 endmenu
1960 1996
1961 # 1997 #
1962 # These two indicate any level of the MIPS32 1998 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1999 #
1964 config CPU_MIPS32 2000 config CPU_MIPS32
1965 bool 2001 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2002 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2003 CPU_MIPS32_R6 || CPU_P5600
1968 2004
1969 config CPU_MIPS64 2005 config CPU_MIPS64
1970 bool 2006 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2007 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 2008 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 2009
1974 # 2010 #
1975 # These indicate the revision of the architec 2011 # These indicate the revision of the architecture
1976 # 2012 #
1977 config CPU_MIPSR1 2013 config CPU_MIPSR1
1978 bool 2014 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2015 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2016
1981 config CPU_MIPSR2 2017 config CPU_MIPSR2
1982 bool 2018 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2019 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2020 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2021 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2022 select MIPS_SPRAM
1987 2023
1988 config CPU_MIPSR5 2024 config CPU_MIPSR5
1989 bool 2025 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2026 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2027 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2028 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2029 select MIPS_SPRAM
1994 2030
1995 config CPU_MIPSR6 2031 config CPU_MIPSR6
1996 bool 2032 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2033 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2034 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2035 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2036 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2037 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2038 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2039 select MIPS_SPRAM
2004 2040
2005 config TARGET_ISA_REV 2041 config TARGET_ISA_REV
2006 int 2042 int
2007 default 1 if CPU_MIPSR1 2043 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2044 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2045 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2046 default 6 if CPU_MIPSR6
2011 default 0 2047 default 0
2012 help 2048 help
2013 Reflects the ISA revision being tar 2049 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2050 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2051
2016 config EVA 2052 config EVA
2017 bool 2053 bool
2018 2054
2019 config XPA 2055 config XPA
2020 bool 2056 bool
2021 2057
2022 config SYS_SUPPORTS_32BIT_KERNEL 2058 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2059 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2060 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2061 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2062 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2063 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2064 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2065 bool
2030 config CPU_SUPPORTS_CPUFREQ 2066 config CPU_SUPPORTS_CPUFREQ
2031 bool 2067 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2068 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2069 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2070 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2071 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2072 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2073 config MIPS_PGD_C0_CONTEXT
2040 bool 2074 bool
2041 depends on 64BIT 2075 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 2076 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 2077
2044 # 2078 #
2045 # Set to y for ptrace access to watch registe 2079 # Set to y for ptrace access to watch registers.
2046 # 2080 #
2047 config HARDWARE_WATCHPOINTS 2081 config HARDWARE_WATCHPOINTS
2048 bool 2082 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2083 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2084
2051 menu "Kernel type" 2085 menu "Kernel type"
2052 2086
2053 choice 2087 choice
2054 prompt "Kernel code model" 2088 prompt "Kernel code model"
2055 help 2089 help
2056 You should only select this option 2090 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2091 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2092 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2093 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2094
2061 config 32BIT 2095 config 32BIT
2062 bool "32-bit kernel" 2096 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2097 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2098 select TRAD_SIGNALS
2065 help 2099 help
2066 Select this option if you want to b 2100 Select this option if you want to build a 32-bit kernel.
2067 2101
2068 config 64BIT 2102 config 64BIT
2069 bool "64-bit kernel" 2103 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2104 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2105 help
2072 Select this option if you want to b 2106 Select this option if you want to build a 64-bit kernel.
2073 2107
2074 endchoice 2108 endchoice
2075 2109
2076 config MIPS_VA_BITS_48 2110 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2111 bool "48 bits virtual memory"
2078 depends on 64BIT 2112 depends on 64BIT
2079 help 2113 help
2080 Support a maximum at least 48 bits 2114 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2115 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2116 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2117 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2118 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2119 overhead as well as slower TLB fault handling.
2086 2120
2087 If unsure, say N. 2121 If unsure, say N.
2088 2122
2089 config ZBOOT_LOAD_ADDRESS !! 2123 choice
2090 hex "Compressed kernel load address" !! 2124 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2125 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2126
2097 This is only used if non-zero. !! 2127 config PAGE_SIZE_4KB
>> 2128 bool "4kB"
>> 2129 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2130 help
>> 2131 This option select the standard 4kB Linux page size. On some
>> 2132 R3000-family processors this is the only available page size. Using
>> 2133 4kB page size will minimize memory consumption and is therefore
>> 2134 recommended for low memory systems.
>> 2135
>> 2136 config PAGE_SIZE_8KB
>> 2137 bool "8kB"
>> 2138 depends on CPU_CAVIUM_OCTEON
>> 2139 depends on !MIPS_VA_BITS_48
>> 2140 help
>> 2141 Using 8kB page size will result in higher performance kernel at
>> 2142 the price of higher memory consumption. This option is available
>> 2143 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2144 distribution to support this.
>> 2145
>> 2146 config PAGE_SIZE_16KB
>> 2147 bool "16kB"
>> 2148 depends on !CPU_R3000 && !CPU_TX39XX
>> 2149 help
>> 2150 Using 16kB page size will result in higher performance kernel at
>> 2151 the price of higher memory consumption. This option is available on
>> 2152 all non-R3000 family processors. Note that you will need a suitable
>> 2153 Linux distribution to support this.
>> 2154
>> 2155 config PAGE_SIZE_32KB
>> 2156 bool "32kB"
>> 2157 depends on CPU_CAVIUM_OCTEON
>> 2158 depends on !MIPS_VA_BITS_48
>> 2159 help
>> 2160 Using 32kB page size will result in higher performance kernel at
>> 2161 the price of higher memory consumption. This option is available
>> 2162 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2163 distribution to support this.
>> 2164
>> 2165 config PAGE_SIZE_64KB
>> 2166 bool "64kB"
>> 2167 depends on !CPU_R3000 && !CPU_TX39XX
>> 2168 help
>> 2169 Using 64kB page size will result in higher performance kernel at
>> 2170 the price of higher memory consumption. This option is available on
>> 2171 all non-R3000 family processor. Not that at the time of this
>> 2172 writing this option is still high experimental.
2098 2173
2099 config ARCH_FORCE_MAX_ORDER !! 2174 endchoice
>> 2175
>> 2176 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2177 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2178 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2179 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2180 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2181 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2182 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2183 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2184 range 0 64
>> 2185 default "11"
2105 help 2186 help
2106 The kernel memory allocator divides 2187 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2188 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2189 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2190 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2191 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2192 increase this value.
2112 2193
>> 2194 This config option is actually maximum order plus one. For example,
>> 2195 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2196
2113 The page size is not necessarily 4K 2197 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2198 when choosing a value for this option.
2115 2199
2116 config BOARD_SCACHE 2200 config BOARD_SCACHE
2117 bool 2201 bool
2118 2202
2119 config IP22_CPU_SCACHE 2203 config IP22_CPU_SCACHE
2120 bool 2204 bool
2121 select BOARD_SCACHE 2205 select BOARD_SCACHE
2122 2206
2123 # 2207 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2208 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2209 #
2126 config MIPS_CPU_SCACHE 2210 config MIPS_CPU_SCACHE
2127 bool 2211 bool
2128 select BOARD_SCACHE 2212 select BOARD_SCACHE
2129 2213
2130 config R5000_CPU_SCACHE 2214 config R5000_CPU_SCACHE
2131 bool 2215 bool
2132 select BOARD_SCACHE 2216 select BOARD_SCACHE
2133 2217
2134 config RM7000_CPU_SCACHE 2218 config RM7000_CPU_SCACHE
2135 bool 2219 bool
2136 select BOARD_SCACHE 2220 select BOARD_SCACHE
2137 2221
2138 config SIBYTE_DMA_PAGEOPS 2222 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2223 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2224 depends on CPU_SB1
2141 help 2225 help
2142 Instead of using the CPU to zero an 2226 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2227 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2228 SiByte Linux port. Seems to give a small performance benefit.
2145 2229
2146 config CPU_HAS_PREFETCH 2230 config CPU_HAS_PREFETCH
2147 bool 2231 bool
2148 2232
2149 config CPU_GENERIC_DUMP_TLB 2233 config CPU_GENERIC_DUMP_TLB
2150 bool 2234 bool
2151 default y if !CPU_R3000 !! 2235 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2236
2153 config MIPS_FP_SUPPORT 2237 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2238 bool "Floating Point support" if EXPERT
2155 default y 2239 default y
2156 help 2240 help
2157 Select y to include support for flo 2241 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2242 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2243 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2244 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2245 receive a SIGILL.
2162 2246
2163 If you know that your userland will 2247 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2248 instructions then you can say n here to shrink the kernel a little.
2165 2249
2166 If unsure, say y. 2250 If unsure, say y.
2167 2251
2168 config CPU_R2300_FPU 2252 config CPU_R2300_FPU
2169 bool 2253 bool
2170 depends on MIPS_FP_SUPPORT 2254 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2255 default y if CPU_R3000 || CPU_TX39XX
2172 2256
2173 config CPU_R3K_TLB 2257 config CPU_R3K_TLB
2174 bool 2258 bool
2175 2259
2176 config CPU_R4K_FPU 2260 config CPU_R4K_FPU
2177 bool 2261 bool
2178 depends on MIPS_FP_SUPPORT 2262 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2263 default y if !CPU_R2300_FPU
2180 2264
2181 config CPU_R4K_CACHE_TLB 2265 config CPU_R4K_CACHE_TLB
2182 bool 2266 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2267 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2268
2185 config MIPS_MT_SMP 2269 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2270 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2271 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2272 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2273 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2274 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2275 select SYNC_R4K
2193 select MIPS_MT 2276 select MIPS_MT
2194 select SMP 2277 select SMP
2195 select SMP_UP 2278 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2279 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2280 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2281 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2282 help
2200 This is a kernel model which is kno 2283 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2284 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2285 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2286 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2287 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2288
2206 config MIPS_MT 2289 config MIPS_MT
2207 bool 2290 bool
2208 2291
2209 config SCHED_SMT 2292 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2293 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2294 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2295 default n
2213 help 2296 help
2214 SMT scheduler support improves the 2297 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2298 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2299 increased overhead in some places. If unsure say N here.
2217 2300
2218 config SYS_SUPPORTS_SCHED_SMT 2301 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2302 bool
2220 2303
2221 config SYS_SUPPORTS_MULTITHREADING 2304 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2305 bool
2223 2306
2224 config MIPS_MT_FPAFF 2307 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2308 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2309 default y
2227 depends on MIPS_MT_SMP 2310 depends on MIPS_MT_SMP
2228 2311
2229 config MIPSR2_TO_R6_EMULATOR 2312 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2313 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2314 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2315 depends on MIPS_FP_SUPPORT
2233 default y 2316 default y
2234 help 2317 help
2235 Choose this option if you want to r 2318 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2319 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2320 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2321 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2322 final kernel image.
2240 2323
2241 config SYS_SUPPORTS_VPE_LOADER 2324 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2325 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2326 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2327 help
2245 Indicates that the platform support 2328 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2329 physical_memsize.
2247 2330
2248 config MIPS_VPE_LOADER 2331 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2332 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2333 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2334 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2335 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2336 select MIPS_MT
2254 help 2337 help
2255 Includes a loader for loading an el 2338 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2339 onto another VPE and running it.
2257 2340
>> 2341 config MIPS_VPE_LOADER_CMP
>> 2342 bool
>> 2343 default "y"
>> 2344 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2345
2258 config MIPS_VPE_LOADER_MT 2346 config MIPS_VPE_LOADER_MT
2259 bool 2347 bool
2260 default "y" 2348 default "y"
2261 depends on MIPS_VPE_LOADER !! 2349 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2350
2263 config MIPS_VPE_LOADER_TOM 2351 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2352 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2353 depends on MIPS_VPE_LOADER
2266 default y 2354 default y
2267 help 2355 help
2268 The loader can use memory that is p 2356 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2357 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2358 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2359 program requires is less or equal to the amount physically present.
2272 2360
2273 config MIPS_VPE_APSP_API 2361 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2362 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2363 depends on MIPS_VPE_LOADER
2276 2364
>> 2365 config MIPS_VPE_APSP_API_CMP
>> 2366 bool
>> 2367 default "y"
>> 2368 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2369
2277 config MIPS_VPE_APSP_API_MT 2370 config MIPS_VPE_APSP_API_MT
2278 bool 2371 bool
2279 default "y" 2372 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2373 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2374
>> 2375 config MIPS_CMP
>> 2376 bool "MIPS CMP framework support (DEPRECATED)"
>> 2377 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2378 select SMP
>> 2379 select SYNC_R4K
>> 2380 select SYS_SUPPORTS_SMP
>> 2381 select WEAK_ORDERING
>> 2382 default n
>> 2383 help
>> 2384 Select this if you are using a bootloader which implements the "CMP
>> 2385 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2386 its ability to start secondary CPUs.
>> 2387
>> 2388 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2389 instead of this.
2281 2390
2282 config MIPS_CPS 2391 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2392 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2393 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2394 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2395 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2396 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2397 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2398 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2399 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2400 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2401 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2402 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2403 help
2296 Select this if you wish to run an S 2404 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2405 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2406 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2407 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2408 support is unavailable.
2301 2409
2302 config MIPS_CPS_PM 2410 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2411 depends on MIPS_CPS
2304 bool 2412 bool
2305 2413
2306 config MIPS_CM 2414 config MIPS_CM
2307 bool 2415 bool
2308 select MIPS_CPC 2416 select MIPS_CPC
2309 2417
2310 config MIPS_CPC 2418 config MIPS_CPC
2311 bool 2419 bool
2312 2420
2313 config SB1_PASS_2_WORKAROUNDS 2421 config SB1_PASS_2_WORKAROUNDS
2314 bool 2422 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2423 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2424 default y
2317 2425
2318 config SB1_PASS_2_1_WORKAROUNDS 2426 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2427 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2428 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2429 default y
2322 2430
2323 choice 2431 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2432 prompt "SmartMIPS or microMIPS ASE support"
2325 2433
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2434 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2435 bool "None"
2328 help 2436 help
2329 Select this if you want neither mic 2437 Select this if you want neither microMIPS nor SmartMIPS support
2330 2438
2331 config CPU_HAS_SMARTMIPS 2439 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2440 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2441 bool "SmartMIPS"
2334 help 2442 help
2335 SmartMIPS is a extension of the MIP 2443 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2444 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2445 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2446 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2447 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2448 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2449 here.
2342 2450
2343 config CPU_MICROMIPS 2451 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2452 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2453 bool "microMIPS"
2346 help 2454 help
2347 When this option is enabled the ker 2455 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2456 microMIPS ISA
2349 2457
2350 endchoice 2458 endchoice
2351 2459
2352 config CPU_HAS_MSA 2460 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2461 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2462 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2463 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2464 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2465 help
2358 MIPS SIMD Architecture (MSA) introd 2466 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2467 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2468 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2469 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2470 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2471 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2472 the size & complexity of your kernel.
2365 2473
2366 If unsure, say Y. 2474 If unsure, say Y.
2367 2475
2368 config CPU_HAS_WB 2476 config CPU_HAS_WB
2369 bool 2477 bool
2370 2478
2371 config XKS01 2479 config XKS01
2372 bool 2480 bool
2373 2481
2374 config CPU_HAS_DIEI 2482 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2483 depends on !CPU_DIEI_BROKEN
2376 bool 2484 bool
2377 2485
2378 config CPU_DIEI_BROKEN 2486 config CPU_DIEI_BROKEN
2379 bool 2487 bool
2380 2488
2381 config CPU_HAS_RIXI 2489 config CPU_HAS_RIXI
2382 bool 2490 bool
2383 2491
2384 config CPU_NO_LOAD_STORE_LR 2492 config CPU_NO_LOAD_STORE_LR
2385 bool 2493 bool
2386 help 2494 help
2387 CPU lacks support for unaligned loa 2495 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2496 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2497 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2498 systems).
2391 2499
2392 # 2500 #
2393 # Vectored interrupt mode is an R2 feature 2501 # Vectored interrupt mode is an R2 feature
2394 # 2502 #
2395 config CPU_MIPSR2_IRQ_VI 2503 config CPU_MIPSR2_IRQ_VI
2396 bool 2504 bool
2397 2505
2398 # 2506 #
2399 # Extended interrupt mode is an R2 feature 2507 # Extended interrupt mode is an R2 feature
2400 # 2508 #
2401 config CPU_MIPSR2_IRQ_EI 2509 config CPU_MIPSR2_IRQ_EI
2402 bool 2510 bool
2403 2511
2404 config CPU_HAS_SYNC 2512 config CPU_HAS_SYNC
2405 bool 2513 bool
2406 depends on !CPU_R3000 2514 depends on !CPU_R3000
2407 default y 2515 default y
2408 2516
2409 # 2517 #
2410 # CPU non-features 2518 # CPU non-features
2411 # 2519 #
2412 <<
2413 # Work around the "daddi" and "daddiu" CPU er <<
2414 # <<
2415 # - The `daddi' instruction fails to trap on <<
2416 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2417 # erratum #23 <<
2418 # <<
2419 # - The `daddiu' instruction can produce an i <<
2420 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2421 # erratum #41 <<
2422 # "MIPS R4000MC Errata, Processor Revision <<
2423 # #15 <<
2424 # "MIPS R4400PC/SC Errata, Processor Revisi <<
2425 # "MIPS R4400MC Errata, Processor Revision <<
2426 config CPU_DADDI_WORKAROUNDS 2520 config CPU_DADDI_WORKAROUNDS
2427 bool 2521 bool
2428 2522
2429 # Work around certain R4000 CPU errata (as im <<
2430 # <<
2431 # - A double-word or a variable shift may giv <<
2432 # if executed immediately after starting an <<
2433 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2434 # erratum #28 <<
2435 # "MIPS R4000MC Errata, Processor Revision <<
2436 # #19 <<
2437 # <<
2438 # - A double-word or a variable shift may giv <<
2439 # if executed while an integer multiplicati <<
2440 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2441 # errata #16 & #28 <<
2442 # <<
2443 # - An integer division may give an incorrect <<
2444 # a delay slot of a taken branch or a jump: <<
2445 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2446 # erratum #52 <<
2447 config CPU_R4000_WORKAROUNDS 2523 config CPU_R4000_WORKAROUNDS
2448 bool 2524 bool
2449 select CPU_R4400_WORKAROUNDS 2525 select CPU_R4400_WORKAROUNDS
2450 2526
2451 # Work around certain R4400 CPU errata (as im <<
2452 # <<
2453 # - A double-word or a variable shift may giv <<
2454 # if executed immediately after starting an <<
2455 # "MIPS R4400MC Errata, Processor Revision <<
2456 # "MIPS R4400MC Errata, Processor Revision <<
2457 config CPU_R4400_WORKAROUNDS 2527 config CPU_R4400_WORKAROUNDS
2458 bool 2528 bool
2459 2529
2460 config CPU_R4X00_BUGS64 2530 config CPU_R4X00_BUGS64
2461 bool 2531 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2532 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2533
2464 config MIPS_ASID_SHIFT 2534 config MIPS_ASID_SHIFT
2465 int 2535 int
2466 default 6 if CPU_R3000 !! 2536 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2537 default 0
2468 2538
2469 config MIPS_ASID_BITS 2539 config MIPS_ASID_BITS
2470 int 2540 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2541 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2542 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2543 default 8
2474 2544
2475 config MIPS_ASID_BITS_VARIABLE 2545 config MIPS_ASID_BITS_VARIABLE
2476 bool 2546 bool
2477 2547
2478 config MIPS_CRC_SUPPORT 2548 config MIPS_CRC_SUPPORT
2479 bool 2549 bool
2480 2550
2481 # R4600 erratum. Due to the lack of errata i 2551 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2552 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2553 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2554 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2555 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2556 bool
2487 2557
2488 # Pleasures of the R4600 V1.x. Cite from the 2558 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2559 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2560 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2561 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2562 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2563 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2564 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2565 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2566 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2567 # four instructions that are not any kind of load or store
2498 # instruction. 2568 # instruction.
2499 # 2569 #
2500 # This is not allowed: lw 2570 # This is not allowed: lw
2501 # nop 2571 # nop
2502 # nop 2572 # nop
2503 # nop 2573 # nop
2504 # cache Hi 2574 # cache Hit_Writeback_Invalidate_D
2505 # 2575 #
2506 # This is allowed: lw 2576 # This is allowed: lw
2507 # nop 2577 # nop
2508 # nop 2578 # nop
2509 # nop 2579 # nop
2510 # nop 2580 # nop
2511 # cache Hi 2581 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2582 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2583 bool
2514 2584
2515 # Writeback and invalidate the primary cache 2585 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2586 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2587 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2588 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2589 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2590 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2591 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2592 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2593 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2594 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2595 bool
2526 2596
2527 # From TX49/H2 manual: "If the instruction (i 2597 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2598 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2599 # operation is not guaranteed."
2530 # 2600 #
2531 # Workaround: do two phase flushing for Index 2601 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2602 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2603 bool
2534 2604
2535 # The RM7000 processors and the E9000 cores h 2605 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2606 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2607 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2608 # exceptions.
2539 config WAR_ICACHE_REFILLS 2609 config WAR_ICACHE_REFILLS
2540 bool 2610 bool
2541 2611
2542 # On the R10000 up to version 2.6 (not sure a 2612 # 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 2613 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2614 config WAR_R10000_LLSC
2545 bool 2615 bool
2546 2616
2547 # 34K core erratum: "Problems Executing the T 2617 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2618 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2619 bool
2550 2620
2551 # 2621 #
2552 # - Highmem only makes sense for the 32-bit k 2622 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2623 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2624 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2625 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2626 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2627 # 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 2628 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2629 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2630 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2631 # know they might have memory configurations that could make use of highmem
2562 # support. 2632 # support.
2563 # 2633 #
2564 config HIGHMEM 2634 config HIGHMEM
2565 bool "High Memory Support" 2635 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2636 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2637 select KMAP_LOCAL
2568 2638
2569 config CPU_SUPPORTS_HIGHMEM 2639 config CPU_SUPPORTS_HIGHMEM
2570 bool 2640 bool
2571 2641
2572 config SYS_SUPPORTS_HIGHMEM 2642 config SYS_SUPPORTS_HIGHMEM
2573 bool 2643 bool
2574 2644
2575 config SYS_SUPPORTS_SMARTMIPS 2645 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2646 bool
2577 2647
2578 config SYS_SUPPORTS_MICROMIPS 2648 config SYS_SUPPORTS_MICROMIPS
2579 bool 2649 bool
2580 2650
2581 config SYS_SUPPORTS_MIPS16 2651 config SYS_SUPPORTS_MIPS16
2582 bool 2652 bool
2583 help 2653 help
2584 This option must be set if a kernel 2654 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2655 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2656 words, it makes the kernel MIPS16-tolerant.
2587 2657
2588 config CPU_SUPPORTS_MSA 2658 config CPU_SUPPORTS_MSA
2589 bool 2659 bool
2590 2660
2591 config ARCH_FLATMEM_ENABLE 2661 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2662 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2663 depends on !NUMA && !CPU_LOONGSON2EF
2594 2664
2595 config ARCH_SPARSEMEM_ENABLE 2665 config ARCH_SPARSEMEM_ENABLE
2596 bool 2666 bool
>> 2667 select SPARSEMEM_STATIC if !SGI_IP27
2597 2668
2598 config NUMA 2669 config NUMA
2599 bool "NUMA Support" 2670 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2671 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2672 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2673 help
2605 Say Y to compile the kernel to supp 2674 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2675 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2676 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2677 leave it disabled; on single node systems leave this option
2609 disabled. 2678 disabled.
2610 2679
2611 config SYS_SUPPORTS_NUMA 2680 config SYS_SUPPORTS_NUMA
2612 bool 2681 bool
2613 2682
>> 2683 config HAVE_SETUP_PER_CPU_AREA
>> 2684 def_bool y
>> 2685 depends on NUMA
>> 2686
>> 2687 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2688 def_bool y
>> 2689 depends on NUMA
>> 2690
2614 config RELOCATABLE 2691 config RELOCATABLE
2615 bool "Relocatable kernel" 2692 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2693 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2694 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2695 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2696 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2697 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2698 CPU_LOONGSON64
2622 help 2699 help
2623 This builds a kernel image that ret 2700 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2701 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2702 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2703 but are discarded at runtime
2627 2704
2628 config RELOCATION_TABLE_SIZE 2705 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2706 hex "Relocation table size"
2630 depends on RELOCATABLE 2707 depends on RELOCATABLE
2631 range 0x0 0x01000000 2708 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2709 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2710 default "0x00100000"
2634 help 2711 help
2635 A table of relocation data will be 2712 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2713 and parsed at boot to fix up the relocated kernel.
2637 2714
2638 This option allows the amount of sp 2715 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2716 adjusted, although the default of 1Mb should be ok in most cases.
2640 2717
2641 The build will fail and a valid siz 2718 The build will fail and a valid size suggested if this is too small.
2642 2719
2643 If unsure, leave at the default val 2720 If unsure, leave at the default value.
2644 2721
2645 config RANDOMIZE_BASE 2722 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2723 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2724 depends on RELOCATABLE
2648 help 2725 help
2649 Randomizes the physical and virtual 2726 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2727 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2728 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2729 of kernel internals.
2653 2730
2654 Entropy is generated using any copr 2731 Entropy is generated using any coprocessor 0 registers available.
2655 2732
2656 The kernel will be offset by up to 2733 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2734
2658 If unsure, say N. 2735 If unsure, say N.
2659 2736
2660 config RANDOMIZE_BASE_MAX_OFFSET 2737 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2738 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2739 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2740 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2741 range 0x0 0x08000000
2665 default "0x01000000" 2742 default "0x01000000"
2666 help 2743 help
2667 When kASLR is active, this provides 2744 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2745 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2746 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2747 PHYSICAL_START and must be a power of 2.
2671 2748
2672 This is limited by the size of KSEG 2749 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2750 EVA or 64-bit. The default is 16Mb.
2674 2751
2675 config NODES_SHIFT 2752 config NODES_SHIFT
2676 int 2753 int
2677 default "6" 2754 default "6"
2678 depends on NUMA 2755 depends on NUMA
2679 2756
2680 config HW_PERF_EVENTS 2757 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2758 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2759 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2760 default y
2684 help 2761 help
2685 Enable hardware performance counter 2762 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2763 disabled, perf events will use software events only.
2687 2764
2688 config DMI 2765 config DMI
2689 bool "Enable DMI scanning" 2766 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2767 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2768 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2769 default y
2693 help 2770 help
2694 Enabled scanning of DMI to identify 2771 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2772 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2773 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2774 BIOS code.
2698 2775
2699 config SMP 2776 config SMP
2700 bool "Multi-Processing support" 2777 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2778 depends on SYS_SUPPORTS_SMP
2702 help 2779 help
2703 This enables support for systems wi 2780 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2781 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2782 than one CPU, say Y.
2706 2783
2707 If you say N here, the kernel will 2784 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2785 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2786 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2787 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2788 will run faster if you say N here.
2712 2789
2713 People using multiprocessor machine 2790 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2791 Y to "Enhanced Real Time Clock Support", below.
2715 2792
2716 See also the SMP-HOWTO available at 2793 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2794 <https://www.tldp.org/docs.html#howto>.
2718 2795
2719 If you don't know what to do here, 2796 If you don't know what to do here, say N.
2720 2797
2721 config HOTPLUG_CPU 2798 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2799 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2800 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2801 help
2725 Say Y here to allow turning CPUs of 2802 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2803 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2804 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2805 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2806 Say N if you want to disable CPU hotplug.
2730 2807
2731 config SMP_UP 2808 config SMP_UP
2732 bool 2809 bool
2733 2810
>> 2811 config SYS_SUPPORTS_MIPS_CMP
>> 2812 bool
>> 2813
2734 config SYS_SUPPORTS_MIPS_CPS 2814 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2815 bool
2736 2816
2737 config SYS_SUPPORTS_SMP 2817 config SYS_SUPPORTS_SMP
2738 bool 2818 bool
2739 2819
2740 config NR_CPUS_DEFAULT_4 2820 config NR_CPUS_DEFAULT_4
2741 bool 2821 bool
2742 2822
2743 config NR_CPUS_DEFAULT_8 2823 config NR_CPUS_DEFAULT_8
2744 bool 2824 bool
2745 2825
2746 config NR_CPUS_DEFAULT_16 2826 config NR_CPUS_DEFAULT_16
2747 bool 2827 bool
2748 2828
2749 config NR_CPUS_DEFAULT_32 2829 config NR_CPUS_DEFAULT_32
2750 bool 2830 bool
2751 2831
2752 config NR_CPUS_DEFAULT_64 2832 config NR_CPUS_DEFAULT_64
2753 bool 2833 bool
2754 2834
2755 config NR_CPUS 2835 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2836 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2837 range 2 256
2758 depends on SMP 2838 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2839 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2840 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2841 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2842 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2843 default "64" if NR_CPUS_DEFAULT_64
2764 help 2844 help
2765 This allows you to specify the maxi 2845 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2846 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2847 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2848 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2849 and 2 for all others.
2770 2850
2771 This is purely to save memory - eac 2851 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2852 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2853 performance should round up your number of processors to the next
2774 power of two. 2854 power of two.
2775 2855
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2856 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2857 bool
2778 2858
2779 config MIPS_NR_CPU_NR_MAP_1024 2859 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2860 bool
2781 2861
2782 config MIPS_NR_CPU_NR_MAP 2862 config MIPS_NR_CPU_NR_MAP
2783 int 2863 int
2784 depends on SMP 2864 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2865 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2866 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2867
2788 # 2868 #
2789 # Timer Interrupt Frequency Configuration 2869 # Timer Interrupt Frequency Configuration
2790 # 2870 #
2791 2871
2792 choice 2872 choice
2793 prompt "Timer frequency" 2873 prompt "Timer frequency"
2794 default HZ_250 2874 default HZ_250
2795 help 2875 help
2796 Allows the configuration of the tim 2876 Allows the configuration of the timer frequency.
2797 2877
2798 config HZ_24 2878 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2879 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2880
2801 config HZ_48 2881 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2882 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2883
2804 config HZ_100 2884 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2885 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2886
2807 config HZ_128 2887 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2888 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2889
2810 config HZ_250 2890 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2891 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2892
2813 config HZ_256 2893 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2894 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2895
2816 config HZ_1000 2896 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2897 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2898
2819 config HZ_1024 2899 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2900 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2901
2822 endchoice 2902 endchoice
2823 2903
2824 config SYS_SUPPORTS_24HZ 2904 config SYS_SUPPORTS_24HZ
2825 bool 2905 bool
2826 2906
2827 config SYS_SUPPORTS_48HZ 2907 config SYS_SUPPORTS_48HZ
2828 bool 2908 bool
2829 2909
2830 config SYS_SUPPORTS_100HZ 2910 config SYS_SUPPORTS_100HZ
2831 bool 2911 bool
2832 2912
2833 config SYS_SUPPORTS_128HZ 2913 config SYS_SUPPORTS_128HZ
2834 bool 2914 bool
2835 2915
2836 config SYS_SUPPORTS_250HZ 2916 config SYS_SUPPORTS_250HZ
2837 bool 2917 bool
2838 2918
2839 config SYS_SUPPORTS_256HZ 2919 config SYS_SUPPORTS_256HZ
2840 bool 2920 bool
2841 2921
2842 config SYS_SUPPORTS_1000HZ 2922 config SYS_SUPPORTS_1000HZ
2843 bool 2923 bool
2844 2924
2845 config SYS_SUPPORTS_1024HZ 2925 config SYS_SUPPORTS_1024HZ
2846 bool 2926 bool
2847 2927
2848 config SYS_SUPPORTS_ARBIT_HZ 2928 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2929 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2930 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2931 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2932 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2933 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2934 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2935 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2936 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2937 !SYS_SUPPORTS_1024HZ
2858 2938
2859 config HZ 2939 config HZ
2860 int 2940 int
2861 default 24 if HZ_24 2941 default 24 if HZ_24
2862 default 48 if HZ_48 2942 default 48 if HZ_48
2863 default 100 if HZ_100 2943 default 100 if HZ_100
2864 default 128 if HZ_128 2944 default 128 if HZ_128
2865 default 250 if HZ_250 2945 default 250 if HZ_250
2866 default 256 if HZ_256 2946 default 256 if HZ_256
2867 default 1000 if HZ_1000 2947 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2948 default 1024 if HZ_1024
2869 2949
2870 config SCHED_HRTICK 2950 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2951 def_bool HIGH_RES_TIMERS
2872 2952
2873 config ARCH_SUPPORTS_KEXEC !! 2953 config KEXEC
2874 def_bool y !! 2954 bool "Kexec system call"
2875 !! 2955 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2956 help
2877 def_bool y !! 2957 kexec is a system call that implements the ability to shutdown your
>> 2958 current kernel, and to start another kernel. It is like a reboot
>> 2959 but it is independent of the system firmware. And like a reboot
>> 2960 you can start any kernel with it, not just Linux.
>> 2961
>> 2962 The name comes from the similarity to the exec system call.
>> 2963
>> 2964 It is an ongoing process to be certain the hardware in a machine
>> 2965 is properly shutdown, so do not be surprised if this code does not
>> 2966 initially work for you. As of this writing the exact hardware
>> 2967 interface is strongly in flux, so no good recommendation can be
>> 2968 made.
>> 2969
>> 2970 config CRASH_DUMP
>> 2971 bool "Kernel crash dumps"
>> 2972 help
>> 2973 Generate crash dump after being started by kexec.
>> 2974 This should be normally only set in special crash dump kernels
>> 2975 which are loaded in the main kernel with kexec-tools into
>> 2976 a specially reserved region and then later executed after
>> 2977 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2978 to a memory address not used by the main kernel or firmware using
>> 2979 PHYSICAL_START.
2878 2980
2879 config PHYSICAL_START 2981 config PHYSICAL_START
2880 hex "Physical address where the kerne 2982 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2983 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2984 depends on CRASH_DUMP
2883 help 2985 help
2884 This gives the CKSEG0 or KSEG0 addr 2986 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2987 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2988 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2989 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2990 passed to the panic-ed kernel).
2889 2991
2890 config MIPS_O32_FP64_SUPPORT 2992 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2993 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2994 depends on 32BIT || MIPS32_O32
2893 help 2995 help
2894 When this is enabled, the kernel wi 2996 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2997 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2998 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2999 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3000 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3001 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3002 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3003 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3004 saying N here.
2903 3005
2904 Although binutils currently support 3006 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3007 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3008 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3009 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3010 be considered experimental and only enabled by those working upon
2909 said details. 3011 said details.
2910 3012
2911 If unsure, say N. 3013 If unsure, say N.
2912 3014
2913 config USE_OF 3015 config USE_OF
2914 bool 3016 bool
2915 select OF 3017 select OF
2916 select OF_EARLY_FLATTREE 3018 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3019 select IRQ_DOMAIN
2918 3020
2919 config UHI_BOOT 3021 config UHI_BOOT
2920 bool 3022 bool
2921 3023
2922 config BUILTIN_DTB 3024 config BUILTIN_DTB
2923 bool 3025 bool
2924 3026
2925 choice 3027 choice
2926 prompt "Kernel appended dtb support" !! 3028 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3029 default MIPS_NO_APPENDED_DTB
2929 3030
2930 config MIPS_NO_APPENDED_DTB 3031 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3032 bool "None"
2932 help 3033 help
2933 Do not enable appended dtb 3034 Do not enable appended dtb support.
2934 3035
2935 config MIPS_ELF_APPENDED_DTB 3036 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3037 bool "vmlinux"
2937 help 3038 help
2938 With this option, the boot 3039 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3040 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3041 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3042 objcopy:
2942 3043
2943 objcopy --update-section 3044 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3045
2945 This is meant as a backward 3046 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3047 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3048 the documented boot protocol using a device tree.
2948 3049
2949 config MIPS_RAW_APPENDED_DTB 3050 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3051 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3052 help
2952 With this option, the boot 3053 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3054 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3055 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3056
2956 This is meant as a backward 3057 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3058 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3059 the documented boot protocol using a device tree.
2959 3060
2960 Beware that there is very l 3061 Beware that there is very little in terms of protection against
2961 this option being confused 3062 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3063 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3064 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3065 if you don't intend to always append a DTB.
2965 endchoice 3066 endchoice
2966 3067
2967 choice 3068 choice
2968 prompt "Kernel command line type" !! 3069 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3070 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3071 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3072 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3073 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3074
2975 config MIPS_CMDLINE_FROM_DTB 3075 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3076 depends on USE_OF
2977 bool "Dtb kernel arguments if 3077 bool "Dtb kernel arguments if available"
2978 3078
2979 config MIPS_CMDLINE_DTB_EXTEND 3079 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3080 depends on USE_OF
2981 bool "Extend dtb kernel argum 3081 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3082
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3083 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3084 bool "Bootloader kernel arguments if available"
2985 3085
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3086 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3087 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3088 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3089 endchoice
2990 3090
2991 endmenu 3091 endmenu
2992 3092
2993 config LOCKDEP_SUPPORT 3093 config LOCKDEP_SUPPORT
2994 bool 3094 bool
2995 default y 3095 default y
2996 3096
2997 config STACKTRACE_SUPPORT 3097 config STACKTRACE_SUPPORT
2998 bool 3098 bool
2999 default y 3099 default y
3000 3100
3001 config PGTABLE_LEVELS 3101 config PGTABLE_LEVELS
3002 int 3102 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3103 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3104 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3105 default 2
3006 3106
3007 config MIPS_AUTO_PFN_OFFSET 3107 config MIPS_AUTO_PFN_OFFSET
3008 bool 3108 bool
3009 3109
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3110 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3111
3012 config PCI_DRIVERS_GENERIC 3112 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3113 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3114 bool
3015 3115
3016 config PCI_DRIVERS_LEGACY 3116 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3117 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3118 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3119 select PCI_DOMAINS if PCI
3020 3120
3021 # 3121 #
3022 # ISA support is now enabled via select. Too 3122 # 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 3123 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3124 # users to choose the right thing ...
3025 # 3125 #
3026 config ISA 3126 config ISA
3027 bool 3127 bool
3028 3128
3029 config TC 3129 config TC
3030 bool "TURBOchannel support" 3130 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3131 depends on MACH_DECSTATION
3032 help 3132 help
3033 TURBOchannel is a DEC (now Compaq ( 3133 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3134 processors. TURBOchannel programming specifications are available
3035 at: 3135 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3136 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3137 and:
3038 <http://www.computer-refuge.org/cla 3138 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3139 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3140 <http://www.linux-mips.org/wiki/DECstation>
3041 3141
3042 config MMU 3142 config MMU
3043 bool 3143 bool
3044 default y 3144 default y
3045 3145
3046 config ARCH_MMAP_RND_BITS_MIN 3146 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3147 default 12 if 64BIT
3048 default 8 3148 default 8
3049 3149
3050 config ARCH_MMAP_RND_BITS_MAX 3150 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3151 default 18 if 64BIT
3052 default 15 3152 default 15
3053 3153
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3154 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3155 default 8
3056 3156
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3157 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3158 default 15
3059 3159
3060 config I8253 3160 config I8253
3061 bool 3161 bool
3062 select CLKSRC_I8253 3162 select CLKSRC_I8253
3063 select CLKEVT_I8253 3163 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3164 select MIPS_EXTERNAL_TIMER
3065 endmenu 3165 endmenu
3066 3166
3067 config TRAD_SIGNALS 3167 config TRAD_SIGNALS
3068 bool 3168 bool
3069 3169
3070 config MIPS32_COMPAT 3170 config MIPS32_COMPAT
3071 bool 3171 bool
3072 3172
3073 config COMPAT 3173 config COMPAT
3074 bool 3174 bool
3075 3175
>> 3176 config SYSVIPC_COMPAT
>> 3177 bool
>> 3178
3076 config MIPS32_O32 3179 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3180 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3181 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3182 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3183 select COMPAT
3081 select MIPS32_COMPAT 3184 select MIPS32_COMPAT
>> 3185 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3186 help
3083 Select this option if you want to r 3187 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3188 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3189 existing binaries are in this format.
3086 3190
3087 If unsure, say Y. 3191 If unsure, say Y.
3088 3192
3089 config MIPS32_N32 3193 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3194 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3195 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3196 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3197 select COMPAT
3094 select MIPS32_COMPAT 3198 select MIPS32_COMPAT
>> 3199 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3200 help
3096 Select this option if you want to r 3201 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3202 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3203 data that would normally be 64-bit. They are used in special
3099 cases. 3204 cases.
3100 3205
3101 If unsure, say N. 3206 If unsure, say N.
3102 3207
3103 config CC_HAS_MNO_BRANCH_LIKELY <<
3104 def_bool y <<
3105 depends on $(cc-option,-mno-branch-li <<
3106 <<
3107 # https://github.com/llvm/llvm-project/issues <<
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 <<
3111 menu "Power management options" 3208 menu "Power management options"
3112 3209
3113 config ARCH_HIBERNATION_POSSIBLE 3210 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3211 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3212 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3213
3117 config ARCH_SUSPEND_POSSIBLE 3214 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3215 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3216 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3217
3121 source "kernel/power/Kconfig" 3218 source "kernel/power/Kconfig"
3122 3219
3123 endmenu 3220 endmenu
3124 3221
3125 config MIPS_EXTERNAL_TIMER 3222 config MIPS_EXTERNAL_TIMER
3126 bool 3223 bool
3127 3224
3128 menu "CPU Power Management" 3225 menu "CPU Power Management"
3129 3226
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3227 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3228 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3229 endif
3133 3230
3134 source "drivers/cpuidle/Kconfig" 3231 source "drivers/cpuidle/Kconfig"
3135 3232
3136 endmenu 3233 endmenu
3137 3234
3138 source "arch/mips/kvm/Kconfig" 3235 source "arch/mips/kvm/Kconfig"
3139 3236
3140 source "arch/mips/vdso/Kconfig" 3237 source "arch/mips/vdso/Kconfig"
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