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
38 select GENERIC_GETTIMEOFDAY 35 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 36 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 37 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 38 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 39 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 40 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 41 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 42 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 43 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 44 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 45 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 46 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 47 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 48 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 49 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 50 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 51 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 52 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 53 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 54 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 55 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 56 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 57 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 58 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 59 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 60 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 61 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 62 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 63 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 64 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 65 select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
>> 66 !CPU_DADDI_WORKAROUNDS && \
>> 67 !CPU_R4000_WORKAROUNDS && \
>> 68 !CPU_R4400_WORKAROUNDS
71 select HAVE_EXIT_THREAD 69 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 70 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 71 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 72 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 73 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 74 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 75 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 76 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 77 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 78 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 79 select HAVE_KPROBES
82 select HAVE_KRETPROBES 80 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 81 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 82 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 83 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 84 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 85 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 86 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 87 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 88 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 89 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 90 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 91 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 92 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 93 select IRQ_FORCED_THREADING
99 select ISA if EISA 94 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 95 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 96 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 97 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 98 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 99 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 100 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 101 select TRACE_IRQFLAGS_SUPPORT
>> 102 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 103 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT 104 select HAVE_ARCH_KCSAN if 64BIT
110 105
111 config MIPS_FIXUP_BIGPHYS_ADDR 106 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 107 bool
113 108
114 config MIPS_GENERIC 109 config MIPS_GENERIC
115 bool 110 bool
116 111
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 112 config MACH_INGENIC
121 bool 113 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 115 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 116 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 117 select DMA_NONCOHERENT
>> 118 select ARCH_HAS_SYNC_DMA_FOR_CPU
126 select IRQ_MIPS_CPU 119 select IRQ_MIPS_CPU
127 select PINCTRL 120 select PINCTRL
128 select GPIOLIB 121 select GPIOLIB
129 select COMMON_CLK 122 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 123 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 124 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 125 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 126 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 127 select MIPS_EXTERNAL_TIMER
135 128
136 menu "Machine selection" 129 menu "Machine selection"
137 130
138 choice 131 choice
139 prompt "System type" 132 prompt "System type"
140 default MIPS_GENERIC_KERNEL 133 default MIPS_GENERIC_KERNEL
141 134
142 config MIPS_GENERIC_KERNEL 135 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 136 bool "Generic board-agnostic MIPS kernel"
>> 137 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 138 select MIPS_GENERIC
145 select BOOT_RAW 139 select BOOT_RAW
146 select BUILTIN_DTB 140 select BUILTIN_DTB
147 select CEVT_R4K 141 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 142 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 143 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 144 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 145 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 146 select CSRC_R4K
153 select DMA_NONCOHERENT 147 select DMA_NONCOHERENT
154 select HAVE_PCI 148 select HAVE_PCI
155 select IRQ_MIPS_CPU 149 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 150 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 151 select MIPS_CPU_SCACHE
159 select MIPS_GIC 152 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 153 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 154 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 155 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 156 select SMP_UP if SMP
164 select SWAP_IO_SPACE 157 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 158 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 159 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 160 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 161 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 162 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 163 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 164 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 165 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 166 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 167 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 168 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 169 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 170 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 171 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 172 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 173 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 174 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 175 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 176 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 177 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 179 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 181 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 182 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 183 select USE_OF
193 help 184 help
194 Select this to build a kernel which 185 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 186 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 187 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 188 Interface) specification.
198 189
199 config MIPS_ALCHEMY 190 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 191 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 192 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 193 select CEVT_R4K
203 select CSRC_R4K 194 select CSRC_R4K
204 select IRQ_MIPS_CPU 195 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 196 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 197 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 198 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 199 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 200 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 201 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 202 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 203 select COMMON_CLK
213 204
>> 205 config AR7
>> 206 bool "Texas Instruments AR7"
>> 207 select BOOT_ELF32
>> 208 select COMMON_CLK
>> 209 select DMA_NONCOHERENT
>> 210 select CEVT_R4K
>> 211 select CSRC_R4K
>> 212 select IRQ_MIPS_CPU
>> 213 select NO_EXCEPT_FILL
>> 214 select SWAP_IO_SPACE
>> 215 select SYS_HAS_CPU_MIPS32_R1
>> 216 select SYS_HAS_EARLY_PRINTK
>> 217 select SYS_SUPPORTS_32BIT_KERNEL
>> 218 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 219 select SYS_SUPPORTS_MIPS16
>> 220 select SYS_SUPPORTS_ZBOOT_UART16550
>> 221 select GPIOLIB
>> 222 select VLYNQ
>> 223 help
>> 224 Support for the Texas Instruments AR7 System-on-a-Chip
>> 225 family: TNETD7100, 7200 and 7300.
>> 226
214 config ATH25 227 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 228 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 229 select CEVT_R4K
217 select CSRC_R4K 230 select CSRC_R4K
218 select DMA_NONCOHERENT 231 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 232 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 233 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 234 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 235 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 236 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 237 select SYS_HAS_EARLY_PRINTK
225 help 238 help
226 Support for Atheros AR231x and Ather 239 Support for Atheros AR231x and Atheros AR531x based boards
227 240
228 config ATH79 241 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 242 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 243 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 244 select BOOT_RAW
232 select CEVT_R4K 245 select CEVT_R4K
233 select CSRC_R4K 246 select CSRC_R4K
234 select DMA_NONCOHERENT 247 select DMA_NONCOHERENT
235 select GPIOLIB 248 select GPIOLIB
236 select PINCTRL 249 select PINCTRL
237 select COMMON_CLK 250 select COMMON_CLK
238 select IRQ_MIPS_CPU 251 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 252 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 253 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 254 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 255 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 256 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 257 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 258 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 259 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 260 help
248 Support for the Atheros AR71XX/AR724 261 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 262
250 config BMIPS_GENERIC 263 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 264 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 265 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 266 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW 267 select BOOT_RAW
255 select NO_EXCEPT_FILL 268 select NO_EXCEPT_FILL
256 select USE_OF 269 select USE_OF
257 select CEVT_R4K 270 select CEVT_R4K
258 select CSRC_R4K 271 select CSRC_R4K
259 select SYNC_R4K 272 select SYNC_R4K
260 select COMMON_CLK 273 select COMMON_CLK
261 select BCM6345_L1_IRQ 274 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 275 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 276 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 277 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 278 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 279 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 280 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 281 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 282 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 283 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 284 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 285 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 286 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 287 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 288 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 289 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 290 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 291 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 292 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 293 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 294 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 295 select PCI_DRIVERS_GENERIC
283 select FW_CFE <<
284 help 296 help
285 Build a generic DT-based kernel imag 297 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 298 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 299 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 300 must be set appropriately for your board.
289 301
290 config BCM47XX 302 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 303 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 304 select BOOT_RAW
293 select CEVT_R4K 305 select CEVT_R4K
294 select CSRC_R4K 306 select CSRC_R4K
295 select DMA_NONCOHERENT 307 select DMA_NONCOHERENT
296 select HAVE_PCI 308 select HAVE_PCI
297 select IRQ_MIPS_CPU 309 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 310 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 311 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 312 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 313 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 314 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 315 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 316 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 317 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 318 select GPIOLIB
307 select LEDS_GPIO_REGISTER 319 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 320 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 321 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 322 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 323 help
312 Support for BCM47XX based boards 324 Support for BCM47XX based boards
313 325
314 config BCM63XX 326 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 327 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 328 select BOOT_RAW
317 select CEVT_R4K 329 select CEVT_R4K
318 select CSRC_R4K 330 select CSRC_R4K
319 select SYNC_R4K 331 select SYNC_R4K
320 select DMA_NONCOHERENT 332 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 333 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 334 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 335 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 336 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 337 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 338 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 339 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 340 select SWAP_IO_SPACE
329 select GPIOLIB 341 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 342 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 343 select HAVE_LEGACY_CLK
332 help 344 help
333 Support for BCM63XX based boards 345 Support for BCM63XX based boards
334 346
335 config MIPS_COBALT 347 config MIPS_COBALT
336 bool "Cobalt Server" 348 bool "Cobalt Server"
337 select CEVT_R4K 349 select CEVT_R4K
338 select CSRC_R4K 350 select CSRC_R4K
339 select CEVT_GT641XX 351 select CEVT_GT641XX
340 select DMA_NONCOHERENT 352 select DMA_NONCOHERENT
341 select FORCE_PCI 353 select FORCE_PCI
342 select I8253 354 select I8253
343 select I8259 355 select I8259
344 select IRQ_MIPS_CPU 356 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 357 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 358 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 359 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 360 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 361 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 362 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 363 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 364 select USE_GENERIC_EARLY_PRINTK_8250
353 365
354 config MACH_DECSTATION 366 config MACH_DECSTATION
355 bool "DECstations" 367 bool "DECstations"
356 select BOOT_ELF32 368 select BOOT_ELF32
357 select CEVT_DS1287 369 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 370 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 371 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 372 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 373 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 374 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 375 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 376 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 377 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 378 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 379 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 380 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 381 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 382 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 383 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 384 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 385 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 386 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 387 select MIPS_L1_CACHE_SHIFT_4
376 help 388 help
377 This enables support for DEC's MIPS 389 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 390 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 391 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 392
381 If you have one of the following DEC 393 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 394 want to choose R4xx0 for the CPU Type:
383 395
384 DECstation 5000/50 396 DECstation 5000/50
385 DECstation 5000/150 397 DECstation 5000/150
386 DECstation 5000/260 398 DECstation 5000/260
387 DECsystem 5900/260 399 DECsystem 5900/260
388 400
389 otherwise choose R3000. 401 otherwise choose R3000.
390 402
391 config MACH_JAZZ 403 config MACH_JAZZ
392 bool "Jazz family of machines" 404 bool "Jazz family of machines"
393 select ARC_MEMORY 405 select ARC_MEMORY
394 select ARC_PROMLIB 406 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 407 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 408 select ARCH_MIGHT_HAVE_PC_SERIO
>> 409 select DMA_OPS
397 select FW_ARC 410 select FW_ARC
398 select FW_ARC32 411 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 412 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 413 select CEVT_R4K
401 select CSRC_R4K 414 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 415 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 416 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 417 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 418 select IRQ_MIPS_CPU
406 select I8253 419 select I8253
407 select I8259 420 select I8259
408 select ISA 421 select ISA
409 select SYS_HAS_CPU_R4X00 422 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 423 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 424 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 425 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 426 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 427 help
415 This a family of machines based on t 428 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 429 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 430 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 431 Olivetti M700-10 workstations.
419 432
420 config MACH_INGENIC_SOC 433 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 434 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 435 select MIPS_GENERIC
423 select MACH_INGENIC 436 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 437 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 438 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 439 select MIPS_EXTERNAL_TIMER
428 440
429 config LANTIQ 441 config LANTIQ
430 bool "Lantiq based platforms" 442 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 443 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 444 select IRQ_MIPS_CPU
433 select CEVT_R4K 445 select CEVT_R4K
434 select CSRC_R4K 446 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 447 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 448 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 449 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 450 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 451 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 452 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 453 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 454 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 455 select GPIOLIB
445 select SWAP_IO_SPACE 456 select SWAP_IO_SPACE
446 select BOOT_RAW 457 select BOOT_RAW
447 select HAVE_LEGACY_CLK 458 select HAVE_LEGACY_CLK
448 select USE_OF 459 select USE_OF
449 select PINCTRL 460 select PINCTRL
450 select PINCTRL_LANTIQ 461 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 462 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 463 select RESET_CONTROLLER
453 464
454 config MACH_LOONGSON32 465 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 466 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 467 select SYS_SUPPORTS_ZBOOT
457 help 468 help
458 This enables support for the Loongso 469 This enables support for the Loongson-1 family of machines.
459 470
460 Loongson-1 is a family of 32-bit MIP 471 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 472 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 473 Sciences (CAS).
463 474
464 config MACH_LOONGSON2EF 475 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 476 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 477 select SYS_SUPPORTS_ZBOOT
467 help 478 help
468 This enables the support of early Lo 479 This enables the support of early Loongson-2E/F family of machines.
469 480
470 config MACH_LOONGSON64 481 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 482 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 483 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 484 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 485 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 486 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 487 select BOOT_ELF32
478 select BOARD_SCACHE 488 select BOARD_SCACHE
479 select CSRC_R4K 489 select CSRC_R4K
480 select CEVT_R4K 490 select CEVT_R4K
481 select SYNC_R4K !! 491 select CPU_HAS_WB
482 select FORCE_PCI 492 select FORCE_PCI
483 select ISA 493 select ISA
484 select I8259 494 select I8259
485 select IRQ_MIPS_CPU 495 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 496 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 497 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 498 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 499 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 500 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 501 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 502 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 503 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 504 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 505 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 506 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 507 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 508 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 509 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 510 select ZONE_DMA32
501 select COMMON_CLK 511 select COMMON_CLK
502 select USE_OF 512 select USE_OF
503 select BUILTIN_DTB 513 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 514 select PCI_HOST_GENERIC
505 help 515 help
506 This enables the support of Loongson 516 This enables the support of Loongson-2/3 family of machines.
507 517
508 Loongson-2 and Loongson-3 are 64-bit 518 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 519 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 520 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 521 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 522
513 config MIPS_MALTA 523 config MIPS_MALTA
514 bool "MIPS Malta board" 524 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 525 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 526 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 527 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 528 select BOOT_ELF32
519 select BOOT_RAW 529 select BOOT_RAW
520 select BUILTIN_DTB 530 select BUILTIN_DTB
521 select CEVT_R4K 531 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 532 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 533 select COMMON_CLK
524 select CSRC_R4K 534 select CSRC_R4K
525 select DMA_NONCOHERENT 535 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 536 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 537 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 538 select HAVE_PCI
529 select I8253 539 select I8253
530 select I8259 540 select I8259
531 select IRQ_MIPS_CPU 541 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 542 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 543 select MIPS_CPU_SCACHE
534 select MIPS_GIC 544 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 545 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 546 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 547 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 548 select SMP_UP if SMP
539 select SWAP_IO_SPACE 549 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 550 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 551 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 552 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 553 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 554 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 555 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 556 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 557 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 558 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 559 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 560 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 561 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 562 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 563 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 564 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 565 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 566 select SYS_SUPPORTS_MIPS16
>> 567 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 568 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 569 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 570 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 571 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 572 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 573 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 574 select USE_OF
564 select WAR_ICACHE_REFILLS 575 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 576 select ZONE_DMA32 if 64BIT
566 help 577 help
567 This enables support for the MIPS Te 578 This enables support for the MIPS Technologies Malta evaluation
568 board. 579 board.
569 580
570 config MACH_PIC32 581 config MACH_PIC32
571 bool "Microchip PIC32 Family" 582 bool "Microchip PIC32 Family"
572 help 583 help
573 This enables support for the Microch 584 This enables support for the Microchip PIC32 family of platforms.
574 585
575 Microchip PIC32 is a family of gener 586 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 587 microcontrollers.
577 588
578 config EYEQ !! 589 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 590 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 591 select CEVT_R4K
587 select CLKSRC_MIPS_GIC <<
588 select COMMON_CLK <<
589 select CPU_MIPSR2_IRQ_EI <<
590 select CPU_MIPSR2_IRQ_VI <<
591 select CSRC_R4K 592 select CSRC_R4K
592 select DMA_NONCOHERENT !! 593 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 594 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 595 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 <<
621 596
622 config MACH_NINTENDO64 597 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 598 bool "Nintendo 64 console"
624 select CEVT_R4K 599 select CEVT_R4K
625 select CSRC_R4K 600 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 601 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 602 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 603 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 604 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 605 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 606 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 607 select IRQ_MIPS_CPU
633 608
634 config RALINK 609 config RALINK
635 bool "Ralink based machines" 610 bool "Ralink based machines"
636 select CEVT_R4K 611 select CEVT_R4K
637 select COMMON_CLK 612 select COMMON_CLK
638 select CSRC_R4K 613 select CSRC_R4K
639 select BOOT_RAW 614 select BOOT_RAW
640 select DMA_NONCOHERENT 615 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 616 select IRQ_MIPS_CPU
642 select USE_OF 617 select USE_OF
>> 618 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 619 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 620 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 621 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 622 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 623 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 624 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 625 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 626 select RESET_CONTROLLER
651 627
652 config MACH_REALTEK_RTL 628 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 629 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 630 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 631 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 632 select IRQ_MIPS_CPU
658 select CSRC_R4K 633 select CSRC_R4K
659 select CEVT_R4K 634 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 635 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 636 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 637 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 638 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 639 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 640 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 641 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 642 select BOOT_RAW
668 select PINCTRL 643 select PINCTRL
669 select USE_OF 644 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 645
672 config SGI_IP22 646 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 647 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 648 select ARC_MEMORY
675 select ARC_PROMLIB 649 select ARC_PROMLIB
676 select FW_ARC 650 select FW_ARC
677 select FW_ARC32 651 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 652 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 653 select BOOT_ELF32
680 select CEVT_R4K 654 select CEVT_R4K
681 select CSRC_R4K 655 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 656 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 657 select DMA_NONCOHERENT
684 select HAVE_EISA 658 select HAVE_EISA
685 select I8253 659 select I8253
686 select I8259 660 select I8259
687 select IP22_CPU_SCACHE 661 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 662 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 663 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 664 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 665 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 666 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 667 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 668 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 669 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 670 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 671 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 672 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 673 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 674 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 675 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 676 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 677 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 678 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 679 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 680 select MIPS_L1_CACHE_SHIFT_7
707 help 681 help
708 This are the SGI Indy, Challenge S a 682 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 683 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 684 that runs on these, say Y here.
711 685
712 config SGI_IP27 686 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 687 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 688 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 689 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 690 select FW_ARC
717 select FW_ARC64 691 select FW_ARC64
718 select ARC_CMDLINE_ONLY 692 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 693 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 694 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 695 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 696 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 697 select HAVE_PCI
724 select IRQ_MIPS_CPU 698 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 699 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 700 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 701 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 702 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 703 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 704 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 705 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 706 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 707 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 708 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 709 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 710 select NUMA
737 help 711 help
738 This are the SGI Origin 200, Origin 712 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 713 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 714 here.
741 715
742 config SGI_IP28 716 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 717 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 718 select ARC_MEMORY
745 select ARC_PROMLIB 719 select ARC_PROMLIB
746 select FW_ARC 720 select FW_ARC
747 select FW_ARC64 721 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 722 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 723 select BOOT_ELF64
750 select CEVT_R4K 724 select CEVT_R4K
751 select CSRC_R4K 725 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 726 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 727 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 728 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 729 select IRQ_MIPS_CPU
756 select HAVE_EISA 730 select HAVE_EISA
757 select I8253 731 select I8253
758 select I8259 732 select I8259
759 select SGI_HAS_I8042 733 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 734 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 735 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 736 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 737 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 738 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 739 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 740 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 741 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 742 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 743 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 744 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 745 select MIPS_L1_CACHE_SHIFT_7
772 help 746 help
773 This is the SGI Indigo2 with R10000 747 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 748 kernel that runs on these, say Y here.
775 749
776 config SGI_IP30 750 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 751 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 752 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 753 select FW_ARC
780 select FW_ARC64 754 select FW_ARC64
781 select BOOT_ELF64 755 select BOOT_ELF64
782 select CEVT_R4K 756 select CEVT_R4K
783 select CSRC_R4K 757 select CSRC_R4K
784 select FORCE_PCI 758 select FORCE_PCI
785 select SYNC_R4K if SMP 759 select SYNC_R4K if SMP
786 select ZONE_DMA32 760 select ZONE_DMA32
787 select HAVE_PCI 761 select HAVE_PCI
788 select IRQ_MIPS_CPU 762 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 763 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 764 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 765 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 766 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 767 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 768 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 769 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 770 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 771 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 772 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 773 select ARC_MEMORY
800 help 774 help
801 These are the SGI Octane and Octane2 775 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 776 compile a Linux kernel that runs on these, say Y here.
803 777
804 config SGI_IP32 778 config SGI_IP32
805 bool "SGI IP32 (O2)" 779 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 780 select ARC_MEMORY
807 select ARC_PROMLIB 781 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 782 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 783 select FW_ARC
810 select FW_ARC32 784 select FW_ARC32
811 select BOOT_ELF32 785 select BOOT_ELF32
812 select CEVT_R4K 786 select CEVT_R4K
813 select CSRC_R4K 787 select CSRC_R4K
814 select DMA_NONCOHERENT 788 select DMA_NONCOHERENT
815 select HAVE_PCI 789 select HAVE_PCI
816 select IRQ_MIPS_CPU 790 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 791 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 792 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 793 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 794 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 795 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 796 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 797 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 798 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 799 select WAR_ICACHE_REFILLS
826 help 800 help
827 If you want this kernel to run on SG 801 If you want this kernel to run on SGI O2 workstation, say Y here.
828 802
>> 803 config SIBYTE_CRHINE
>> 804 bool "Sibyte BCM91120C-CRhine"
>> 805 select BOOT_ELF32
>> 806 select SIBYTE_BCM1120
>> 807 select SWAP_IO_SPACE
>> 808 select SYS_HAS_CPU_SB1
>> 809 select SYS_SUPPORTS_BIG_ENDIAN
>> 810 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 811
>> 812 config SIBYTE_CARMEL
>> 813 bool "Sibyte BCM91120x-Carmel"
>> 814 select BOOT_ELF32
>> 815 select SIBYTE_BCM1120
>> 816 select SWAP_IO_SPACE
>> 817 select SYS_HAS_CPU_SB1
>> 818 select SYS_SUPPORTS_BIG_ENDIAN
>> 819 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 820
829 config SIBYTE_CRHONE 821 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 822 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 823 select BOOT_ELF32
832 select SIBYTE_BCM1125 824 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 825 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 826 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 827 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 828 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 829 select SYS_SUPPORTS_LITTLE_ENDIAN
838 830
839 config SIBYTE_RHONE 831 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 832 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 833 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 834 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 835 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 836 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 837 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 838 select SYS_SUPPORTS_LITTLE_ENDIAN
847 839
848 config SIBYTE_SWARM 840 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 841 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 842 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 843 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 844 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 845 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 846 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 847 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 848 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 849 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 850 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 851 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 852
861 config SIBYTE_LITTLESUR 853 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 854 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 855 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 856 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 857 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 858 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 859 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 860 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 861 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 862 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 863 select ZONE_DMA32 if 64BIT
872 864
873 config SIBYTE_SENTOSA 865 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 866 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 867 select BOOT_ELF32
876 select SIBYTE_SB1250 868 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 869 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 870 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 871 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 872 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 873 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 874
883 config SIBYTE_BIGSUR 875 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 876 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 877 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 878 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 879 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 880 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 881 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 882 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 883 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 884 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 885 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 886 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 887
896 config SNI_RM 888 config SNI_RM
897 bool "SNI RM200/300/400" 889 bool "SNI RM200/300/400"
898 select ARC_MEMORY 890 select ARC_MEMORY
899 select ARC_PROMLIB 891 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 892 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 893 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 894 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 895 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 896 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 897 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 898 select BOOT_ELF32
907 select CEVT_R4K 899 select CEVT_R4K
908 select CSRC_R4K 900 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 901 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 902 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 903 select GENERIC_ISA_DMA
912 select HAVE_EISA 904 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 905 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 906 select HAVE_PCI
915 select IRQ_MIPS_CPU 907 select IRQ_MIPS_CPU
916 select I8253 908 select I8253
917 select I8259 909 select I8259
918 select ISA 910 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 911 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 912 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 913 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 914 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 915 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 916 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 917 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 918 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 919 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 920 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 921 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 922 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 923 select WAR_R4600_V2_HIT_CACHEOP
932 help 924 help
933 The SNI RM200/300/400 are MIPS-based 925 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 926 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 927 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 928 support this machine type.
937 929
>> 930 config MACH_TX39XX
>> 931 bool "Toshiba TX39 series based machines"
>> 932
938 config MACH_TX49XX 933 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 934 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 935 select WAR_TX49XX_ICACHE_INDEX_INV
941 936
942 config MIKROTIK_RB532 937 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 938 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 939 select CEVT_R4K
945 select CSRC_R4K 940 select CSRC_R4K
946 select DMA_NONCOHERENT 941 select DMA_NONCOHERENT
947 select HAVE_PCI 942 select HAVE_PCI
948 select IRQ_MIPS_CPU 943 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 944 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 945 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 946 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 947 select SWAP_IO_SPACE
953 select BOOT_RAW 948 select BOOT_RAW
954 select GPIOLIB 949 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 950 select MIPS_L1_CACHE_SHIFT_4
956 help 951 help
957 Support the Mikrotik(tm) RouterBoard 952 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 953 based on the IDT RC32434 SoC.
959 954
960 config CAVIUM_OCTEON_SOC 955 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 956 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 957 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 958 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 959 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 960 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 961 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 962 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 963 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 964 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 965 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 966 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 967 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 968 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 969 select HAVE_PCI
975 select HAVE_PLAT_DELAY 970 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 971 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 972 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 973 select ZONE_DMA32
979 select GPIOLIB 974 select GPIOLIB
980 select USE_OF 975 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 976 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 977 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 978 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 979 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 980 select BUILTIN_DTB
986 select MTD 981 select MTD
987 select MTD_COMPLEX_MAPPINGS 982 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 983 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 984 select SYS_SUPPORTS_RELOCATABLE
990 help 985 help
991 This option supports all of the Octe 986 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 987 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 988 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 989 Some of the supported boards are:
995 EBT3000 990 EBT3000
996 EBH3000 991 EBH3000
997 EBH3100 992 EBH3100
998 Thunder 993 Thunder
999 Kodama 994 Kodama
1000 Hikari 995 Hikari
1001 Say Y here for most Octeon referenc 996 Say Y here for most Octeon reference boards.
1002 997
1003 endchoice 998 endchoice
1004 999
1005 config FIT_IMAGE_FDT_EPM5 <<
1006 bool "Include FDT for Mobileye EyeQ5 <<
1007 depends on MACH_EYEQ5 <<
1008 default n <<
1009 help <<
1010 Enable this to include the FDT for <<
1011 from Mobileye in the FIT kernel ima <<
1012 This requires u-boot on the platfor <<
1013 <<
1014 source "arch/mips/alchemy/Kconfig" 1000 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1001 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1002 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1003 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1004 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1005 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1006 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1007 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1008 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1009 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1010 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1011 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1012 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1013 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1014 source "arch/mips/txx9/Kconfig"
>> 1015 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1016 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1017 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1018 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1019 source "arch/mips/loongson64/Kconfig"
1034 1020
1035 endmenu 1021 endmenu
1036 1022
1037 config GENERIC_HWEIGHT 1023 config GENERIC_HWEIGHT
1038 bool 1024 bool
1039 default y 1025 default y
1040 1026
1041 config GENERIC_CALIBRATE_DELAY 1027 config GENERIC_CALIBRATE_DELAY
1042 bool 1028 bool
1043 default y 1029 default y
1044 1030
1045 config SCHED_OMIT_FRAME_POINTER 1031 config SCHED_OMIT_FRAME_POINTER
1046 bool 1032 bool
1047 default y 1033 default y
1048 1034
1049 # 1035 #
1050 # Select some configuration options automatic 1036 # Select some configuration options automatically based on user selections.
1051 # 1037 #
1052 config FW_ARC 1038 config FW_ARC
1053 bool 1039 bool
1054 1040
1055 config ARCH_MAY_HAVE_PC_FDC 1041 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1042 bool
1057 1043
1058 config BOOT_RAW 1044 config BOOT_RAW
1059 bool 1045 bool
1060 1046
1061 config CEVT_BCM1480 1047 config CEVT_BCM1480
1062 bool 1048 bool
1063 1049
1064 config CEVT_DS1287 1050 config CEVT_DS1287
1065 bool 1051 bool
1066 1052
1067 config CEVT_GT641XX 1053 config CEVT_GT641XX
1068 bool 1054 bool
1069 1055
1070 config CEVT_R4K 1056 config CEVT_R4K
1071 bool 1057 bool
1072 1058
1073 config CEVT_SB1250 1059 config CEVT_SB1250
1074 bool 1060 bool
1075 1061
1076 config CEVT_TXX9 1062 config CEVT_TXX9
1077 bool 1063 bool
1078 1064
1079 config CSRC_BCM1480 1065 config CSRC_BCM1480
1080 bool 1066 bool
1081 1067
1082 config CSRC_IOASIC 1068 config CSRC_IOASIC
1083 bool 1069 bool
1084 1070
1085 config CSRC_R4K 1071 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1072 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1073 bool
1089 1074
1090 config CSRC_SB1250 1075 config CSRC_SB1250
1091 bool 1076 bool
1092 1077
1093 config MIPS_CLOCK_VSYSCALL 1078 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1079 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1080
1096 config GPIO_TXX9 1081 config GPIO_TXX9
1097 select GPIOLIB 1082 select GPIOLIB
1098 bool 1083 bool
1099 1084
1100 config FW_CFE 1085 config FW_CFE
1101 bool 1086 bool
1102 1087
1103 config ARCH_SUPPORTS_UPROBES 1088 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1089 bool
>> 1090
>> 1091 config DMA_PERDEV_COHERENT
>> 1092 bool
>> 1093 select ARCH_HAS_SETUP_DMA_OPS
>> 1094 select DMA_NONCOHERENT
1105 1095
1106 config DMA_NONCOHERENT 1096 config DMA_NONCOHERENT
1107 bool 1097 bool
1108 # 1098 #
1109 # MIPS allows mixing "slightly differ 1099 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1100 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1101 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1102 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1103 # significant advantages.
1114 # 1104 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1105 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1106 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1107 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1108 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1109 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1110 select NEED_DMA_MAP_STATE
1123 1111
1124 config SYS_HAS_EARLY_PRINTK 1112 config SYS_HAS_EARLY_PRINTK
1125 bool 1113 bool
1126 1114
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1115 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1116 bool
1129 1117
1130 config MIPS_BONITO64 1118 config MIPS_BONITO64
1131 bool 1119 bool
1132 1120
1133 config MIPS_MSC 1121 config MIPS_MSC
1134 bool 1122 bool
1135 1123
1136 config SYNC_R4K 1124 config SYNC_R4K
1137 bool 1125 bool
1138 1126
1139 config NO_IOPORT_MAP 1127 config NO_IOPORT_MAP
1140 def_bool n 1128 def_bool n
1141 1129
1142 config GENERIC_CSUM 1130 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1131 def_bool CPU_NO_LOAD_STORE_LR
1144 1132
1145 config GENERIC_ISA_DMA 1133 config GENERIC_ISA_DMA
1146 bool 1134 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1135 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1136 select ISA_DMA_API
1149 1137
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1138 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1139 bool
1152 select GENERIC_ISA_DMA 1140 select GENERIC_ISA_DMA
1153 1141
1154 config HAVE_PLAT_DELAY 1142 config HAVE_PLAT_DELAY
1155 bool 1143 bool
1156 1144
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1145 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1146 bool
1159 1147
1160 config HAVE_PLAT_MEMCPY 1148 config HAVE_PLAT_MEMCPY
1161 bool 1149 bool
1162 1150
1163 config ISA_DMA_API 1151 config ISA_DMA_API
1164 bool 1152 bool
1165 1153
1166 config SYS_SUPPORTS_RELOCATABLE 1154 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1155 bool
1168 help 1156 help
1169 Selected if the platform supports r 1157 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1158 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1159 to allow access to command line and entropy sources.
1172 1160
1173 # 1161 #
1174 # Endianness selection. Sufficiently obscure 1162 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1163 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1164 # choice statement should be more obvious to the user.
1177 # 1165 #
1178 choice 1166 choice
1179 prompt "Endianness selection" 1167 prompt "Endianness selection"
1180 help 1168 help
1181 Some MIPS machines can be configure 1169 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1170 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1171 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1172 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1173 one or the other endianness.
1186 1174
1187 config CPU_BIG_ENDIAN 1175 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1176 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1177 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1178
1191 config CPU_LITTLE_ENDIAN 1179 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1180 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1181 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1182
1195 endchoice 1183 endchoice
1196 1184
1197 config EXPORT_UASM 1185 config EXPORT_UASM
1198 bool 1186 bool
1199 1187
1200 config SYS_SUPPORTS_APM_EMULATION 1188 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1189 bool
1202 1190
1203 config SYS_SUPPORTS_BIG_ENDIAN 1191 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1192 bool
1205 1193
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1194 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1195 bool
1208 1196
1209 config MIPS_HUGE_TLB_SUPPORT 1197 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1198 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1199
>> 1200 config IRQ_MSP_SLP
>> 1201 bool
>> 1202
>> 1203 config IRQ_MSP_CIC
>> 1204 bool
>> 1205
1212 config IRQ_TXX9 1206 config IRQ_TXX9
1213 bool 1207 bool
1214 1208
1215 config IRQ_GT641XX 1209 config IRQ_GT641XX
1216 bool 1210 bool
1217 1211
1218 config PCI_GT64XXX_PCI0 1212 config PCI_GT64XXX_PCI0
1219 bool 1213 bool
1220 1214
1221 config PCI_XTALK_BRIDGE 1215 config PCI_XTALK_BRIDGE
1222 bool 1216 bool
1223 1217
1224 config NO_EXCEPT_FILL 1218 config NO_EXCEPT_FILL
1225 bool 1219 bool
1226 1220
1227 config MIPS_SPRAM 1221 config MIPS_SPRAM
1228 bool 1222 bool
1229 1223
1230 config SWAP_IO_SPACE 1224 config SWAP_IO_SPACE
1231 bool 1225 bool
1232 1226
1233 config SGI_HAS_INDYDOG 1227 config SGI_HAS_INDYDOG
1234 bool 1228 bool
1235 1229
1236 config SGI_HAS_HAL2 1230 config SGI_HAS_HAL2
1237 bool 1231 bool
1238 1232
1239 config SGI_HAS_SEEQ 1233 config SGI_HAS_SEEQ
1240 bool 1234 bool
1241 1235
1242 config SGI_HAS_WD93 1236 config SGI_HAS_WD93
1243 bool 1237 bool
1244 1238
1245 config SGI_HAS_ZILOG 1239 config SGI_HAS_ZILOG
1246 bool 1240 bool
1247 1241
1248 config SGI_HAS_I8042 1242 config SGI_HAS_I8042
1249 bool 1243 bool
1250 1244
1251 config DEFAULT_SGI_PARTITION 1245 config DEFAULT_SGI_PARTITION
1252 bool 1246 bool
1253 1247
1254 config FW_ARC32 1248 config FW_ARC32
1255 bool 1249 bool
1256 1250
1257 config FW_SNIPROM 1251 config FW_SNIPROM
1258 bool 1252 bool
1259 1253
1260 config BOOT_ELF32 1254 config BOOT_ELF32
1261 bool 1255 bool
1262 1256
1263 config MIPS_L1_CACHE_SHIFT_4 1257 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1258 bool
1265 1259
1266 config MIPS_L1_CACHE_SHIFT_5 1260 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1261 bool
1268 1262
1269 config MIPS_L1_CACHE_SHIFT_6 1263 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1264 bool
1271 1265
1272 config MIPS_L1_CACHE_SHIFT_7 1266 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1267 bool
1274 1268
1275 config MIPS_L1_CACHE_SHIFT 1269 config MIPS_L1_CACHE_SHIFT
1276 int 1270 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1271 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1272 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1273 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1274 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1275 default "5"
1282 1276
1283 config ARC_CMDLINE_ONLY 1277 config ARC_CMDLINE_ONLY
1284 bool 1278 bool
1285 1279
1286 config ARC_CONSOLE 1280 config ARC_CONSOLE
1287 bool "ARC console support" 1281 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1282 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1283
1290 config ARC_MEMORY 1284 config ARC_MEMORY
1291 bool 1285 bool
1292 1286
1293 config ARC_PROMLIB 1287 config ARC_PROMLIB
1294 bool 1288 bool
1295 1289
1296 config FW_ARC64 1290 config FW_ARC64
1297 bool 1291 bool
1298 1292
1299 config BOOT_ELF64 1293 config BOOT_ELF64
1300 bool 1294 bool
1301 1295
1302 menu "CPU selection" 1296 menu "CPU selection"
1303 1297
1304 choice 1298 choice
1305 prompt "CPU type" 1299 prompt "CPU type"
1306 default CPU_R4X00 1300 default CPU_R4X00
1307 1301
1308 config CPU_LOONGSON64 1302 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1303 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1304 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1305 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1306 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1307 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1308 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1309 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1310 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1311 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1312 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1313 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1314 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1315 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1316 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1317 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1318 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1319 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1320 select GPIOLIB
1329 select SWIOTLB 1321 select SWIOTLB
>> 1322 select HAVE_KVM
>> 1323 help
>> 1324 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1325 cores implements the MIPS64R2 instruction set with many extensions,
>> 1326 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1327 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1328 Loongson-2E/2F is not covered here and will be removed in future.
>> 1329
>> 1330 config LOONGSON3_ENHANCEMENT
>> 1331 bool "New Loongson-3 CPU Enhancements"
>> 1332 default n
>> 1333 depends on CPU_LOONGSON64
>> 1334 help
>> 1335 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1336 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1337 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1338 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1339 Fast TLB refill support, etc.
>> 1340
>> 1341 This option enable those enhancements which are not probed at run
>> 1342 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1343 please say 'N' here. If you want a high-performance kernel to run on
>> 1344 new Loongson-3 machines only, please say 'Y' here.
>> 1345
>> 1346 config CPU_LOONGSON3_WORKAROUNDS
>> 1347 bool "Old Loongson-3 LLSC Workarounds"
>> 1348 default y if SMP
>> 1349 depends on CPU_LOONGSON64
1330 help 1350 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1351 Loongson-3 processors have the llsc issues which require workarounds.
1332 cores implements the MIPS64R2 instr !! 1352 Without workarounds the system may hang unexpectedly.
1333 including most 64-bit Loongson-2 (2 !! 1353
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1354 Newer Loongson-3 will fix these issues and no workarounds are needed.
1335 Loongson-2E/2F is not covered here !! 1355 The workarounds have no significant side effect on them but may
>> 1356 decrease the performance of the system so this option should be
>> 1357 disabled unless the kernel is intended to be run on old systems.
>> 1358
>> 1359 If unsure, please say Y.
>> 1360
>> 1361 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1362 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1363 default y
>> 1364 depends on CPU_LOONGSON64
>> 1365 help
>> 1366 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1367 userland to query CPU capabilities, much like CPUID on x86. This
>> 1368 option provides emulation of the instruction on older Loongson
>> 1369 cores, back to Loongson-3A1000.
>> 1370
>> 1371 If unsure, please say Y.
1336 1372
1337 config CPU_LOONGSON2E 1373 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1374 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1375 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1376 select CPU_LOONGSON2EF
1341 help 1377 help
1342 The Loongson 2E processor implement 1378 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1379 with many extensions.
1344 1380
1345 It has an internal FPGA northbridge 1381 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1382 bonito64.
1347 1383
1348 config CPU_LOONGSON2F 1384 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1385 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1386 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1387 select CPU_LOONGSON2EF
>> 1388 select GPIOLIB
1352 help 1389 help
1353 The Loongson 2F processor implement 1390 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1391 with many extensions.
1355 1392
1356 Loongson2F have built-in DDR2 and P 1393 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1394 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1395 Loongson2E.
1359 1396
1360 config CPU_LOONGSON1B 1397 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1398 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1399 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1400 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1401 select LEDS_GPIO_REGISTER
1365 help 1402 help
1366 The Loongson 1B is a 32-bit SoC, wh 1403 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1404 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1405 instruction set.
1369 1406
1370 config CPU_LOONGSON1C 1407 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1408 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1409 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1410 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1411 select LEDS_GPIO_REGISTER
1375 help 1412 help
1376 The Loongson 1C is a 32-bit SoC, wh 1413 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1414 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1415 instruction set.
1379 1416
1380 config CPU_MIPS32_R1 1417 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1418 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1419 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1420 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1421 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1422 select CPU_SUPPORTS_HIGHMEM
1386 help 1423 help
1387 Choose this option to build a kerne 1424 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1425 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1426 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1427 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1428 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1429 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1430 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1431 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1432 performance.
1396 1433
1397 config CPU_MIPS32_R2 1434 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1435 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1436 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1437 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1438 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1439 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1440 select CPU_SUPPORTS_MSA
>> 1441 select HAVE_KVM
1404 help 1442 help
1405 Choose this option to build a kerne 1443 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1444 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1445 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1446 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1447 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1448
1411 config CPU_MIPS32_R5 1449 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1450 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1451 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1452 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1453 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1454 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1455 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1456 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1457 select MIPS_O32_FP64_SUPPORT
1420 help 1458 help
1421 Choose this option to build a kerne 1459 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1460 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1461 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1462 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1463
1426 config CPU_MIPS32_R6 1464 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1465 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1466 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1467 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1468 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1469 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1470 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1471 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1472 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1473 select MIPS_O32_FP64_SUPPORT
1436 help 1474 help
1437 Choose this option to build a kerne 1475 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1476 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1477 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1478 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1479
1442 config CPU_MIPS64_R1 1480 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1481 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1482 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1483 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1484 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1485 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1486 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1487 select CPU_SUPPORTS_HUGEPAGES
1450 help 1488 help
1451 Choose this option to build a kerne 1489 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1490 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1491 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1492 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1493 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1494 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1495 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1496 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1497 performance.
1460 1498
1461 config CPU_MIPS64_R2 1499 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1500 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1501 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1502 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1503 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1504 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1505 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1506 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1507 select CPU_SUPPORTS_MSA
>> 1508 select HAVE_KVM
1470 help 1509 help
1471 Choose this option to build a kerne 1510 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1511 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1512 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1513 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1514 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1515
1477 config CPU_MIPS64_R5 1516 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1517 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1518 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1519 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1520 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1521 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1522 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1523 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1524 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1525 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1526 select HAVE_KVM
1488 help 1527 help
1489 Choose this option to build a kerne 1528 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1529 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1530 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1531 any hardware known to be based on this release.
1493 1532
1494 config CPU_MIPS64_R6 1533 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1534 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1535 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1536 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1537 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1538 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1539 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1540 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1541 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1542 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1543 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1544 select HAVE_KVM
1506 help 1545 help
1507 Choose this option to build a kerne 1546 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1547 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1548 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1549 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1550
1512 config CPU_P5600 1551 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1552 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1553 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1554 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1555 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1556 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1557 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1558 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1559 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1560 select CPU_MIPSR2_IRQ_EI
>> 1561 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1562 select MIPS_O32_FP64_SUPPORT
1524 help 1563 help
1525 Choose this option to build a kerne 1564 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1565 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1566 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1567 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1568 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1569 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1570 eJTAG and PDtrace.
1532 1571
1533 config CPU_R3000 1572 config CPU_R3000
1534 bool "R3000" 1573 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1574 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1575 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1576 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1577 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1578 select CPU_SUPPORTS_HIGHMEM
1540 help 1579 help
1541 Please make sure to pick the right 1580 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1581 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1582 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1583 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1584 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1585 try to recompile with R3000.
1547 1586
>> 1587 config CPU_TX39XX
>> 1588 bool "R39XX"
>> 1589 depends on SYS_HAS_CPU_TX39XX
>> 1590 select CPU_SUPPORTS_32BIT_KERNEL
>> 1591 select CPU_R3K_TLB
>> 1592
>> 1593 config CPU_VR41XX
>> 1594 bool "R41xx"
>> 1595 depends on SYS_HAS_CPU_VR41XX
>> 1596 select CPU_SUPPORTS_32BIT_KERNEL
>> 1597 select CPU_SUPPORTS_64BIT_KERNEL
>> 1598 help
>> 1599 The options selects support for the NEC VR4100 series of processors.
>> 1600 Only choose this option if you have one of these processors as a
>> 1601 kernel built with this option will not run on any other type of
>> 1602 processor or vice versa.
>> 1603
1548 config CPU_R4300 1604 config CPU_R4300
1549 bool "R4300" 1605 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1606 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1607 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1608 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1609 help
1554 MIPS Technologies R4300-series proc 1610 MIPS Technologies R4300-series processors.
1555 1611
1556 config CPU_R4X00 1612 config CPU_R4X00
1557 bool "R4x00" 1613 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1614 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1615 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1616 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1617 select CPU_SUPPORTS_HUGEPAGES
1562 help 1618 help
1563 MIPS Technologies R4000-series proc 1619 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1620 the R4000, R4400, R4600, and 4700.
1565 1621
1566 config CPU_TX49XX 1622 config CPU_TX49XX
1567 bool "R49XX" 1623 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1624 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1625 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1626 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1627 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1628 select CPU_SUPPORTS_HUGEPAGES
1573 1629
1574 config CPU_R5000 1630 config CPU_R5000
1575 bool "R5000" 1631 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1632 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1633 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1634 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1635 select CPU_SUPPORTS_HUGEPAGES
1580 help 1636 help
1581 MIPS Technologies R5000-series proc 1637 MIPS Technologies R5000-series processors other than the Nevada.
1582 1638
1583 config CPU_R5500 1639 config CPU_R5500
1584 bool "R5500" 1640 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1641 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1642 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1643 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1644 select CPU_SUPPORTS_HUGEPAGES
1589 help 1645 help
1590 NEC VR5500 and VR5500A series proce 1646 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1647 instruction set.
1592 1648
1593 config CPU_NEVADA 1649 config CPU_NEVADA
1594 bool "RM52xx" 1650 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1651 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1652 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1653 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1654 select CPU_SUPPORTS_HUGEPAGES
1599 help 1655 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1656 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1657
1602 config CPU_R10000 1658 config CPU_R10000
1603 bool "R10000" 1659 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1660 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1661 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1662 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1663 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1664 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1665 select CPU_SUPPORTS_HUGEPAGES
1610 help 1666 help
1611 MIPS Technologies R10000-series pro 1667 MIPS Technologies R10000-series processors.
1612 1668
1613 config CPU_RM7000 1669 config CPU_RM7000
1614 bool "RM7000" 1670 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1671 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1672 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1673 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1674 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1675 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1676 select CPU_SUPPORTS_HUGEPAGES
1621 1677
1622 config CPU_SB1 1678 config CPU_SB1
1623 bool "SB1" 1679 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1680 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1681 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1682 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1683 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1684 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1685 select WEAK_ORDERING
1630 1686
1631 config CPU_CAVIUM_OCTEON 1687 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1688 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1689 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1690 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1691 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 1692 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1693 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1694 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1695 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1696 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1697 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1698 select HAVE_KVM
1645 help 1699 help
1646 The Cavium Octeon processor is a hi 1700 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1701 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1702 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1703 Full details can be found at http://www.caviumnetworks.com.
1650 1704
1651 config CPU_BMIPS 1705 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1706 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1707 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1708 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1709 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1710 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1711 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1712 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1713 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1714 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1715 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1716 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1717 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1718 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1719 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1720 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1721 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1722 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1723 help
1670 Support for BMIPS32/3300/4350/4380 1724 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1725
1672 endchoice 1726 endchoice
1673 1727
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 1728 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1729 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1730 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1731 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1732 CPU_P5600
1717 help 1733 help
1718 Choose this option to build a kerne 1734 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1735 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1736 support for Enhanced Virtual Addressing (EVA).
1721 1737
1722 config CPU_MIPS32_3_5_EVA 1738 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1739 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1740 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1741 select EVA
1726 default y 1742 default y
1727 help 1743 help
1728 Choose this option if you want to e 1744 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1745 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1746 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1747 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1748
1733 config CPU_MIPS32_R5_FEATURES 1749 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1750 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1751 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1752 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1753 help
1738 Choose this option to build a kerne 1754 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1755 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1756 support for Extended Physical Addressing (XPA).
1741 1757
1742 config CPU_MIPS32_R5_XPA 1758 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1759 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1760 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1761 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1762 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1763 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1764 select XPA
1749 select HIGHMEM 1765 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1766 select PHYS_ADDR_T_64BIT
1751 default n 1767 default n
1752 help 1768 help
1753 Choose this option if you want to e 1769 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1770 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1771 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1772 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1773 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1774 If unsure, say 'N' here.
1759 1775
1760 if CPU_LOONGSON2F 1776 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1777 config CPU_NOP_WORKAROUNDS
1762 bool 1778 bool
1763 1779
1764 config CPU_JUMP_WORKAROUNDS 1780 config CPU_JUMP_WORKAROUNDS
1765 bool 1781 bool
1766 1782
1767 config CPU_LOONGSON2F_WORKAROUNDS 1783 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1784 bool "Loongson 2F Workarounds"
1769 default y 1785 default y
1770 select CPU_NOP_WORKAROUNDS 1786 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1787 select CPU_JUMP_WORKAROUNDS
1772 help 1788 help
1773 Loongson 2F01 / 2F02 processors hav 1789 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1790 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1791 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1792 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1793
1778 Loongson 2F03 and later have fixed 1794 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1795 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1796 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1797 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1798 systems.
1783 1799
1784 If unsure, please say Y. 1800 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1801 endif # CPU_LOONGSON2F
1786 1802
1787 config SYS_SUPPORTS_ZBOOT 1803 config SYS_SUPPORTS_ZBOOT
1788 bool 1804 bool
1789 select HAVE_KERNEL_GZIP 1805 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1806 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1807 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1808 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1809 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1810 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1811 select HAVE_KERNEL_ZSTD
1796 1812
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1813 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1814 bool
1799 select SYS_SUPPORTS_ZBOOT 1815 select SYS_SUPPORTS_ZBOOT
1800 1816
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1817 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1818 bool
1803 select SYS_SUPPORTS_ZBOOT 1819 select SYS_SUPPORTS_ZBOOT
1804 1820
1805 config CPU_LOONGSON2EF 1821 config CPU_LOONGSON2EF
1806 bool 1822 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1823 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1824 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1825 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1826 select CPU_SUPPORTS_HUGEPAGES
>> 1827 select ARCH_HAS_PHYS_TO_DMA
1811 1828
1812 config CPU_LOONGSON32 1829 config CPU_LOONGSON32
1813 bool 1830 bool
1814 select CPU_MIPS32 1831 select CPU_MIPS32
1815 select CPU_MIPSR2 1832 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1833 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1834 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1835 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1836 select CPU_SUPPORTS_CPUFREQ
1820 1837
1821 config CPU_BMIPS32_3300 1838 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1839 select SMP_UP if SMP
1823 bool 1840 bool
1824 1841
1825 config CPU_BMIPS4350 1842 config CPU_BMIPS4350
1826 bool 1843 bool
1827 select SYS_SUPPORTS_SMP 1844 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1845 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1846
1830 config CPU_BMIPS4380 1847 config CPU_BMIPS4380
1831 bool 1848 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1849 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1850 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1851 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1852 select CPU_HAS_RIXI
1836 1853
1837 config CPU_BMIPS5000 1854 config CPU_BMIPS5000
1838 bool 1855 bool
1839 select MIPS_CPU_SCACHE 1856 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1857 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1858 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1859 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1860 select CPU_HAS_RIXI
1844 1861
1845 config SYS_HAS_CPU_LOONGSON64 1862 config SYS_HAS_CPU_LOONGSON64
1846 bool 1863 bool
1847 select CPU_SUPPORTS_CPUFREQ 1864 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1865 select CPU_HAS_RIXI
1849 1866
1850 config SYS_HAS_CPU_LOONGSON2E 1867 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1868 bool
1852 1869
1853 config SYS_HAS_CPU_LOONGSON2F 1870 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1871 bool
1855 select CPU_SUPPORTS_CPUFREQ 1872 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1873 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1874
1858 config SYS_HAS_CPU_LOONGSON1B 1875 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1876 bool
1860 1877
1861 config SYS_HAS_CPU_LOONGSON1C 1878 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1879 bool
1863 1880
1864 config SYS_HAS_CPU_MIPS32_R1 1881 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1882 bool
1866 1883
1867 config SYS_HAS_CPU_MIPS32_R2 1884 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1885 bool
1869 1886
1870 config SYS_HAS_CPU_MIPS32_R3_5 1887 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1888 bool
1872 1889
1873 config SYS_HAS_CPU_MIPS32_R5 1890 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1891 bool
>> 1892 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1893
1876 config SYS_HAS_CPU_MIPS32_R6 1894 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1895 bool
>> 1896 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1897
1879 config SYS_HAS_CPU_MIPS64_R1 1898 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1899 bool
1881 1900
1882 config SYS_HAS_CPU_MIPS64_R2 1901 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1902 bool
1884 1903
1885 config SYS_HAS_CPU_MIPS64_R5 1904 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1905 bool
>> 1906 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1907
1888 config SYS_HAS_CPU_MIPS64_R6 1908 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1909 bool
>> 1910 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1911
1891 config SYS_HAS_CPU_P5600 1912 config SYS_HAS_CPU_P5600
1892 bool 1913 bool
>> 1914 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 1915
1894 config SYS_HAS_CPU_R3000 1916 config SYS_HAS_CPU_R3000
1895 bool 1917 bool
1896 1918
>> 1919 config SYS_HAS_CPU_TX39XX
>> 1920 bool
>> 1921
>> 1922 config SYS_HAS_CPU_VR41XX
>> 1923 bool
>> 1924
1897 config SYS_HAS_CPU_R4300 1925 config SYS_HAS_CPU_R4300
1898 bool 1926 bool
1899 1927
1900 config SYS_HAS_CPU_R4X00 1928 config SYS_HAS_CPU_R4X00
1901 bool 1929 bool
1902 1930
1903 config SYS_HAS_CPU_TX49XX 1931 config SYS_HAS_CPU_TX49XX
1904 bool 1932 bool
1905 1933
1906 config SYS_HAS_CPU_R5000 1934 config SYS_HAS_CPU_R5000
1907 bool 1935 bool
1908 1936
1909 config SYS_HAS_CPU_R5500 1937 config SYS_HAS_CPU_R5500
1910 bool 1938 bool
1911 1939
1912 config SYS_HAS_CPU_NEVADA 1940 config SYS_HAS_CPU_NEVADA
1913 bool 1941 bool
1914 1942
1915 config SYS_HAS_CPU_R10000 1943 config SYS_HAS_CPU_R10000
1916 bool 1944 bool
>> 1945 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1946
1918 config SYS_HAS_CPU_RM7000 1947 config SYS_HAS_CPU_RM7000
1919 bool 1948 bool
1920 1949
1921 config SYS_HAS_CPU_SB1 1950 config SYS_HAS_CPU_SB1
1922 bool 1951 bool
1923 1952
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1953 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1954 bool
1926 1955
1927 config SYS_HAS_CPU_BMIPS 1956 config SYS_HAS_CPU_BMIPS
1928 bool 1957 bool
1929 1958
1930 config SYS_HAS_CPU_BMIPS32_3300 1959 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1960 bool
1932 select SYS_HAS_CPU_BMIPS 1961 select SYS_HAS_CPU_BMIPS
1933 1962
1934 config SYS_HAS_CPU_BMIPS4350 1963 config SYS_HAS_CPU_BMIPS4350
1935 bool 1964 bool
1936 select SYS_HAS_CPU_BMIPS 1965 select SYS_HAS_CPU_BMIPS
1937 1966
1938 config SYS_HAS_CPU_BMIPS4380 1967 config SYS_HAS_CPU_BMIPS4380
1939 bool 1968 bool
1940 select SYS_HAS_CPU_BMIPS 1969 select SYS_HAS_CPU_BMIPS
1941 1970
1942 config SYS_HAS_CPU_BMIPS5000 1971 config SYS_HAS_CPU_BMIPS5000
1943 bool 1972 bool
1944 select SYS_HAS_CPU_BMIPS 1973 select SYS_HAS_CPU_BMIPS
>> 1974 select ARCH_HAS_SYNC_DMA_FOR_CPU
1945 1975
1946 # 1976 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1977 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1978 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1979 #
1950 config WEAK_ORDERING 1980 config WEAK_ORDERING
1951 bool 1981 bool
1952 1982
1953 # 1983 #
1954 # CPU may reorder reads and writes beyond LL/ 1984 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1985 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1986 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1987 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1988 bool
1959 endmenu 1989 endmenu
1960 1990
1961 # 1991 #
1962 # These two indicate any level of the MIPS32 1992 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1993 #
1964 config CPU_MIPS32 1994 config CPU_MIPS32
1965 bool 1995 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1996 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1997 CPU_MIPS32_R6 || CPU_P5600
1968 1998
1969 config CPU_MIPS64 1999 config CPU_MIPS64
1970 bool 2000 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2001 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 2002 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 2003
1974 # 2004 #
1975 # These indicate the revision of the architec 2005 # These indicate the revision of the architecture
1976 # 2006 #
1977 config CPU_MIPSR1 2007 config CPU_MIPSR1
1978 bool 2008 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2009 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2010
1981 config CPU_MIPSR2 2011 config CPU_MIPSR2
1982 bool 2012 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2013 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2014 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2015 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2016 select MIPS_SPRAM
1987 2017
1988 config CPU_MIPSR5 2018 config CPU_MIPSR5
1989 bool 2019 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2020 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2021 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2022 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2023 select MIPS_SPRAM
1994 2024
1995 config CPU_MIPSR6 2025 config CPU_MIPSR6
1996 bool 2026 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2027 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2028 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2029 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2030 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2031 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2032 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2033 select MIPS_SPRAM
2004 2034
2005 config TARGET_ISA_REV 2035 config TARGET_ISA_REV
2006 int 2036 int
2007 default 1 if CPU_MIPSR1 2037 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2038 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2039 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2040 default 6 if CPU_MIPSR6
2011 default 0 2041 default 0
2012 help 2042 help
2013 Reflects the ISA revision being tar 2043 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2044 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2045
2016 config EVA 2046 config EVA
2017 bool 2047 bool
2018 2048
2019 config XPA 2049 config XPA
2020 bool 2050 bool
2021 2051
2022 config SYS_SUPPORTS_32BIT_KERNEL 2052 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2053 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2054 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2055 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2056 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2057 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2058 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2059 bool
2030 config CPU_SUPPORTS_CPUFREQ 2060 config CPU_SUPPORTS_CPUFREQ
2031 bool 2061 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2062 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2063 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2064 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2065 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2066 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2067 config MIPS_PGD_C0_CONTEXT
2040 bool 2068 bool
2041 depends on 64BIT 2069 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 2070 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 2071
2044 # 2072 #
2045 # Set to y for ptrace access to watch registe 2073 # Set to y for ptrace access to watch registers.
2046 # 2074 #
2047 config HARDWARE_WATCHPOINTS 2075 config HARDWARE_WATCHPOINTS
2048 bool 2076 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2077 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2078
2051 menu "Kernel type" 2079 menu "Kernel type"
2052 2080
2053 choice 2081 choice
2054 prompt "Kernel code model" 2082 prompt "Kernel code model"
2055 help 2083 help
2056 You should only select this option 2084 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2085 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2086 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2087 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2088
2061 config 32BIT 2089 config 32BIT
2062 bool "32-bit kernel" 2090 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2091 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2092 select TRAD_SIGNALS
2065 help 2093 help
2066 Select this option if you want to b 2094 Select this option if you want to build a 32-bit kernel.
2067 2095
2068 config 64BIT 2096 config 64BIT
2069 bool "64-bit kernel" 2097 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2098 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2099 help
2072 Select this option if you want to b 2100 Select this option if you want to build a 64-bit kernel.
2073 2101
2074 endchoice 2102 endchoice
2075 2103
2076 config MIPS_VA_BITS_48 2104 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2105 bool "48 bits virtual memory"
2078 depends on 64BIT 2106 depends on 64BIT
2079 help 2107 help
2080 Support a maximum at least 48 bits 2108 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2109 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2110 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2111 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2112 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2113 overhead as well as slower TLB fault handling.
2086 2114
2087 If unsure, say N. 2115 If unsure, say N.
2088 2116
2089 config ZBOOT_LOAD_ADDRESS 2117 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2118 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2119 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2120 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2121 depends on SYS_SUPPORTS_ZBOOT
2094 help 2122 help
2095 The address to load compressed kern 2123 The address to load compressed kernel, aka vmlinuz.
2096 2124
2097 This is only used if non-zero. 2125 This is only used if non-zero.
2098 2126
2099 config ARCH_FORCE_MAX_ORDER !! 2127 choice
>> 2128 prompt "Kernel page size"
>> 2129 default PAGE_SIZE_4KB
>> 2130
>> 2131 config PAGE_SIZE_4KB
>> 2132 bool "4kB"
>> 2133 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2134 help
>> 2135 This option select the standard 4kB Linux page size. On some
>> 2136 R3000-family processors this is the only available page size. Using
>> 2137 4kB page size will minimize memory consumption and is therefore
>> 2138 recommended for low memory systems.
>> 2139
>> 2140 config PAGE_SIZE_8KB
>> 2141 bool "8kB"
>> 2142 depends on CPU_CAVIUM_OCTEON
>> 2143 depends on !MIPS_VA_BITS_48
>> 2144 help
>> 2145 Using 8kB page size will result in higher performance kernel at
>> 2146 the price of higher memory consumption. This option is available
>> 2147 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2148 distribution to support this.
>> 2149
>> 2150 config PAGE_SIZE_16KB
>> 2151 bool "16kB"
>> 2152 depends on !CPU_R3000 && !CPU_TX39XX
>> 2153 help
>> 2154 Using 16kB page size will result in higher performance kernel at
>> 2155 the price of higher memory consumption. This option is available on
>> 2156 all non-R3000 family processors. Note that you will need a suitable
>> 2157 Linux distribution to support this.
>> 2158
>> 2159 config PAGE_SIZE_32KB
>> 2160 bool "32kB"
>> 2161 depends on CPU_CAVIUM_OCTEON
>> 2162 depends on !MIPS_VA_BITS_48
>> 2163 help
>> 2164 Using 32kB page size will result in higher performance kernel at
>> 2165 the price of higher memory consumption. This option is available
>> 2166 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2167 distribution to support this.
>> 2168
>> 2169 config PAGE_SIZE_64KB
>> 2170 bool "64kB"
>> 2171 depends on !CPU_R3000 && !CPU_TX39XX
>> 2172 help
>> 2173 Using 64kB page size will result in higher performance kernel at
>> 2174 the price of higher memory consumption. This option is available on
>> 2175 all non-R3000 family processor. Not that at the time of this
>> 2176 writing this option is still high experimental.
>> 2177
>> 2178 endchoice
>> 2179
>> 2180 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2181 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2182 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2183 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2184 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2185 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2186 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2187 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2188 range 0 64
>> 2189 default "11"
2105 help 2190 help
2106 The kernel memory allocator divides 2191 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2192 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2193 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2194 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2195 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2196 increase this value.
2112 2197
>> 2198 This config option is actually maximum order plus one. For example,
>> 2199 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2200
2113 The page size is not necessarily 4K 2201 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2202 when choosing a value for this option.
2115 2203
2116 config BOARD_SCACHE 2204 config BOARD_SCACHE
2117 bool 2205 bool
2118 2206
2119 config IP22_CPU_SCACHE 2207 config IP22_CPU_SCACHE
2120 bool 2208 bool
2121 select BOARD_SCACHE 2209 select BOARD_SCACHE
2122 2210
2123 # 2211 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2212 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2213 #
2126 config MIPS_CPU_SCACHE 2214 config MIPS_CPU_SCACHE
2127 bool 2215 bool
2128 select BOARD_SCACHE 2216 select BOARD_SCACHE
2129 2217
2130 config R5000_CPU_SCACHE 2218 config R5000_CPU_SCACHE
2131 bool 2219 bool
2132 select BOARD_SCACHE 2220 select BOARD_SCACHE
2133 2221
2134 config RM7000_CPU_SCACHE 2222 config RM7000_CPU_SCACHE
2135 bool 2223 bool
2136 select BOARD_SCACHE 2224 select BOARD_SCACHE
2137 2225
2138 config SIBYTE_DMA_PAGEOPS 2226 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2227 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2228 depends on CPU_SB1
2141 help 2229 help
2142 Instead of using the CPU to zero an 2230 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2231 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2232 SiByte Linux port. Seems to give a small performance benefit.
2145 2233
2146 config CPU_HAS_PREFETCH 2234 config CPU_HAS_PREFETCH
2147 bool 2235 bool
2148 2236
2149 config CPU_GENERIC_DUMP_TLB 2237 config CPU_GENERIC_DUMP_TLB
2150 bool 2238 bool
2151 default y if !CPU_R3000 !! 2239 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2240
2153 config MIPS_FP_SUPPORT 2241 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2242 bool "Floating Point support" if EXPERT
2155 default y 2243 default y
2156 help 2244 help
2157 Select y to include support for flo 2245 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2246 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2247 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2248 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2249 receive a SIGILL.
2162 2250
2163 If you know that your userland will 2251 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2252 instructions then you can say n here to shrink the kernel a little.
2165 2253
2166 If unsure, say y. 2254 If unsure, say y.
2167 2255
2168 config CPU_R2300_FPU 2256 config CPU_R2300_FPU
2169 bool 2257 bool
2170 depends on MIPS_FP_SUPPORT 2258 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2259 default y if CPU_R3000 || CPU_TX39XX
2172 2260
2173 config CPU_R3K_TLB 2261 config CPU_R3K_TLB
2174 bool 2262 bool
2175 2263
2176 config CPU_R4K_FPU 2264 config CPU_R4K_FPU
2177 bool 2265 bool
2178 depends on MIPS_FP_SUPPORT 2266 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2267 default y if !CPU_R2300_FPU
2180 2268
2181 config CPU_R4K_CACHE_TLB 2269 config CPU_R4K_CACHE_TLB
2182 bool 2270 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2271 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2272
2185 config MIPS_MT_SMP 2273 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2274 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2275 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2276 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2277 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2278 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2279 select SYNC_R4K
2193 select MIPS_MT 2280 select MIPS_MT
2194 select SMP 2281 select SMP
2195 select SMP_UP 2282 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2283 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2284 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2285 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2286 help
2200 This is a kernel model which is kno 2287 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2288 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2289 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2290 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2291 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2292
2206 config MIPS_MT 2293 config MIPS_MT
2207 bool 2294 bool
2208 2295
2209 config SCHED_SMT 2296 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2297 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2298 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2299 default n
2213 help 2300 help
2214 SMT scheduler support improves the 2301 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2302 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2303 increased overhead in some places. If unsure say N here.
2217 2304
2218 config SYS_SUPPORTS_SCHED_SMT 2305 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2306 bool
2220 2307
2221 config SYS_SUPPORTS_MULTITHREADING 2308 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2309 bool
2223 2310
2224 config MIPS_MT_FPAFF 2311 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2312 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2313 default y
2227 depends on MIPS_MT_SMP 2314 depends on MIPS_MT_SMP
2228 2315
2229 config MIPSR2_TO_R6_EMULATOR 2316 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2317 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2318 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2319 depends on MIPS_FP_SUPPORT
2233 default y 2320 default y
2234 help 2321 help
2235 Choose this option if you want to r 2322 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2323 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2324 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2325 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2326 final kernel image.
2240 2327
2241 config SYS_SUPPORTS_VPE_LOADER 2328 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2329 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2330 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2331 help
2245 Indicates that the platform support 2332 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2333 physical_memsize.
2247 2334
2248 config MIPS_VPE_LOADER 2335 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2336 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2337 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2338 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2339 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2340 select MIPS_MT
2254 help 2341 help
2255 Includes a loader for loading an el 2342 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2343 onto another VPE and running it.
2257 2344
>> 2345 config MIPS_VPE_LOADER_CMP
>> 2346 bool
>> 2347 default "y"
>> 2348 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2349
2258 config MIPS_VPE_LOADER_MT 2350 config MIPS_VPE_LOADER_MT
2259 bool 2351 bool
2260 default "y" 2352 default "y"
2261 depends on MIPS_VPE_LOADER !! 2353 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2354
2263 config MIPS_VPE_LOADER_TOM 2355 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2356 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2357 depends on MIPS_VPE_LOADER
2266 default y 2358 default y
2267 help 2359 help
2268 The loader can use memory that is p 2360 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2361 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2362 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2363 program requires is less or equal to the amount physically present.
2272 2364
2273 config MIPS_VPE_APSP_API 2365 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2366 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2367 depends on MIPS_VPE_LOADER
2276 2368
>> 2369 config MIPS_VPE_APSP_API_CMP
>> 2370 bool
>> 2371 default "y"
>> 2372 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2373
2277 config MIPS_VPE_APSP_API_MT 2374 config MIPS_VPE_APSP_API_MT
2278 bool 2375 bool
2279 default "y" 2376 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2377 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2378
>> 2379 config MIPS_CMP
>> 2380 bool "MIPS CMP framework support (DEPRECATED)"
>> 2381 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2382 select SMP
>> 2383 select SYNC_R4K
>> 2384 select SYS_SUPPORTS_SMP
>> 2385 select WEAK_ORDERING
>> 2386 default n
>> 2387 help
>> 2388 Select this if you are using a bootloader which implements the "CMP
>> 2389 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2390 its ability to start secondary CPUs.
>> 2391
>> 2392 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2393 instead of this.
2281 2394
2282 config MIPS_CPS 2395 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2396 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2397 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2398 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2399 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2400 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2401 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2402 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2403 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2404 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2405 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2406 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2407 help
2296 Select this if you wish to run an S 2408 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2409 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2410 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2411 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2412 support is unavailable.
2301 2413
2302 config MIPS_CPS_PM 2414 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2415 depends on MIPS_CPS
2304 bool 2416 bool
2305 2417
2306 config MIPS_CM 2418 config MIPS_CM
2307 bool 2419 bool
2308 select MIPS_CPC 2420 select MIPS_CPC
2309 2421
2310 config MIPS_CPC 2422 config MIPS_CPC
2311 bool 2423 bool
2312 2424
2313 config SB1_PASS_2_WORKAROUNDS 2425 config SB1_PASS_2_WORKAROUNDS
2314 bool 2426 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2427 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2428 default y
2317 2429
2318 config SB1_PASS_2_1_WORKAROUNDS 2430 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2431 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2432 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2433 default y
2322 2434
2323 choice 2435 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2436 prompt "SmartMIPS or microMIPS ASE support"
2325 2437
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2438 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2439 bool "None"
2328 help 2440 help
2329 Select this if you want neither mic 2441 Select this if you want neither microMIPS nor SmartMIPS support
2330 2442
2331 config CPU_HAS_SMARTMIPS 2443 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2444 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2445 bool "SmartMIPS"
2334 help 2446 help
2335 SmartMIPS is a extension of the MIP 2447 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2448 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2449 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2450 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2451 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2452 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2453 here.
2342 2454
2343 config CPU_MICROMIPS 2455 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2456 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2457 bool "microMIPS"
2346 help 2458 help
2347 When this option is enabled the ker 2459 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2460 microMIPS ISA
2349 2461
2350 endchoice 2462 endchoice
2351 2463
2352 config CPU_HAS_MSA 2464 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2465 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2466 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2467 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2468 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2469 help
2358 MIPS SIMD Architecture (MSA) introd 2470 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2471 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2472 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2473 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2474 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2475 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2476 the size & complexity of your kernel.
2365 2477
2366 If unsure, say Y. 2478 If unsure, say Y.
2367 2479
2368 config CPU_HAS_WB 2480 config CPU_HAS_WB
2369 bool 2481 bool
2370 2482
2371 config XKS01 2483 config XKS01
2372 bool 2484 bool
2373 2485
2374 config CPU_HAS_DIEI 2486 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2487 depends on !CPU_DIEI_BROKEN
2376 bool 2488 bool
2377 2489
2378 config CPU_DIEI_BROKEN 2490 config CPU_DIEI_BROKEN
2379 bool 2491 bool
2380 2492
2381 config CPU_HAS_RIXI 2493 config CPU_HAS_RIXI
2382 bool 2494 bool
2383 2495
2384 config CPU_NO_LOAD_STORE_LR 2496 config CPU_NO_LOAD_STORE_LR
2385 bool 2497 bool
2386 help 2498 help
2387 CPU lacks support for unaligned loa 2499 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2500 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2501 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2502 systems).
2391 2503
2392 # 2504 #
2393 # Vectored interrupt mode is an R2 feature 2505 # Vectored interrupt mode is an R2 feature
2394 # 2506 #
2395 config CPU_MIPSR2_IRQ_VI 2507 config CPU_MIPSR2_IRQ_VI
2396 bool 2508 bool
2397 2509
2398 # 2510 #
2399 # Extended interrupt mode is an R2 feature 2511 # Extended interrupt mode is an R2 feature
2400 # 2512 #
2401 config CPU_MIPSR2_IRQ_EI 2513 config CPU_MIPSR2_IRQ_EI
2402 bool 2514 bool
2403 2515
2404 config CPU_HAS_SYNC 2516 config CPU_HAS_SYNC
2405 bool 2517 bool
2406 depends on !CPU_R3000 2518 depends on !CPU_R3000
2407 default y 2519 default y
2408 2520
2409 # 2521 #
2410 # CPU non-features 2522 # CPU non-features
2411 # 2523 #
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 2524 config CPU_DADDI_WORKAROUNDS
2427 bool 2525 bool
2428 2526
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 2527 config CPU_R4000_WORKAROUNDS
2448 bool 2528 bool
2449 select CPU_R4400_WORKAROUNDS 2529 select CPU_R4400_WORKAROUNDS
2450 2530
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 2531 config CPU_R4400_WORKAROUNDS
2458 bool 2532 bool
2459 2533
2460 config CPU_R4X00_BUGS64 2534 config CPU_R4X00_BUGS64
2461 bool 2535 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2536 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2537
2464 config MIPS_ASID_SHIFT 2538 config MIPS_ASID_SHIFT
2465 int 2539 int
2466 default 6 if CPU_R3000 !! 2540 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2541 default 0
2468 2542
2469 config MIPS_ASID_BITS 2543 config MIPS_ASID_BITS
2470 int 2544 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2545 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2546 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2547 default 8
2474 2548
2475 config MIPS_ASID_BITS_VARIABLE 2549 config MIPS_ASID_BITS_VARIABLE
2476 bool 2550 bool
2477 2551
2478 config MIPS_CRC_SUPPORT 2552 config MIPS_CRC_SUPPORT
2479 bool 2553 bool
2480 2554
2481 # R4600 erratum. Due to the lack of errata i 2555 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2556 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2557 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2558 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2559 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2560 bool
2487 2561
2488 # Pleasures of the R4600 V1.x. Cite from the 2562 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2563 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2564 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2565 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2566 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2567 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2568 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2569 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2570 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2571 # four instructions that are not any kind of load or store
2498 # instruction. 2572 # instruction.
2499 # 2573 #
2500 # This is not allowed: lw 2574 # This is not allowed: lw
2501 # nop 2575 # nop
2502 # nop 2576 # nop
2503 # nop 2577 # nop
2504 # cache Hi 2578 # cache Hit_Writeback_Invalidate_D
2505 # 2579 #
2506 # This is allowed: lw 2580 # This is allowed: lw
2507 # nop 2581 # nop
2508 # nop 2582 # nop
2509 # nop 2583 # nop
2510 # nop 2584 # nop
2511 # cache Hi 2585 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2586 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2587 bool
2514 2588
2515 # Writeback and invalidate the primary cache 2589 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2590 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2591 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2592 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2593 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2594 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2595 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2596 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2597 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2598 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2599 bool
2526 2600
2527 # From TX49/H2 manual: "If the instruction (i 2601 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2602 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2603 # operation is not guaranteed."
2530 # 2604 #
2531 # Workaround: do two phase flushing for Index 2605 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2606 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2607 bool
2534 2608
2535 # The RM7000 processors and the E9000 cores h 2609 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2610 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2611 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2612 # exceptions.
2539 config WAR_ICACHE_REFILLS 2613 config WAR_ICACHE_REFILLS
2540 bool 2614 bool
2541 2615
2542 # On the R10000 up to version 2.6 (not sure a 2616 # 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 2617 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2618 config WAR_R10000_LLSC
2545 bool 2619 bool
2546 2620
2547 # 34K core erratum: "Problems Executing the T 2621 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2622 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2623 bool
2550 2624
2551 # 2625 #
2552 # - Highmem only makes sense for the 32-bit k 2626 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2627 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2628 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2629 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2630 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2631 # 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 2632 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2633 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2634 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2635 # know they might have memory configurations that could make use of highmem
2562 # support. 2636 # support.
2563 # 2637 #
2564 config HIGHMEM 2638 config HIGHMEM
2565 bool "High Memory Support" 2639 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2640 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2641 select KMAP_LOCAL
2568 2642
2569 config CPU_SUPPORTS_HIGHMEM 2643 config CPU_SUPPORTS_HIGHMEM
2570 bool 2644 bool
2571 2645
2572 config SYS_SUPPORTS_HIGHMEM 2646 config SYS_SUPPORTS_HIGHMEM
2573 bool 2647 bool
2574 2648
2575 config SYS_SUPPORTS_SMARTMIPS 2649 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2650 bool
2577 2651
2578 config SYS_SUPPORTS_MICROMIPS 2652 config SYS_SUPPORTS_MICROMIPS
2579 bool 2653 bool
2580 2654
2581 config SYS_SUPPORTS_MIPS16 2655 config SYS_SUPPORTS_MIPS16
2582 bool 2656 bool
2583 help 2657 help
2584 This option must be set if a kernel 2658 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2659 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2660 words, it makes the kernel MIPS16-tolerant.
2587 2661
2588 config CPU_SUPPORTS_MSA 2662 config CPU_SUPPORTS_MSA
2589 bool 2663 bool
2590 2664
2591 config ARCH_FLATMEM_ENABLE 2665 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2666 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2667 depends on !NUMA && !CPU_LOONGSON2EF
2594 2668
2595 config ARCH_SPARSEMEM_ENABLE 2669 config ARCH_SPARSEMEM_ENABLE
2596 bool 2670 bool
>> 2671 select SPARSEMEM_STATIC if !SGI_IP27
2597 2672
2598 config NUMA 2673 config NUMA
2599 bool "NUMA Support" 2674 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2675 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2676 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2677 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2678 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2679 help
2605 Say Y to compile the kernel to supp 2680 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2681 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2682 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2683 leave it disabled; on single node systems leave this option
2609 disabled. 2684 disabled.
2610 2685
2611 config SYS_SUPPORTS_NUMA 2686 config SYS_SUPPORTS_NUMA
2612 bool 2687 bool
2613 2688
2614 config RELOCATABLE 2689 config RELOCATABLE
2615 bool "Relocatable kernel" 2690 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2691 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2692 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2693 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2694 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2695 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2696 CPU_LOONGSON64
2622 help 2697 help
2623 This builds a kernel image that ret 2698 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2699 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2700 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2701 but are discarded at runtime
2627 2702
2628 config RELOCATION_TABLE_SIZE 2703 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2704 hex "Relocation table size"
2630 depends on RELOCATABLE 2705 depends on RELOCATABLE
2631 range 0x0 0x01000000 2706 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2707 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2708 default "0x00100000"
2634 help 2709 help
2635 A table of relocation data will be 2710 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2711 and parsed at boot to fix up the relocated kernel.
2637 2712
2638 This option allows the amount of sp 2713 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2714 adjusted, although the default of 1Mb should be ok in most cases.
2640 2715
2641 The build will fail and a valid siz 2716 The build will fail and a valid size suggested if this is too small.
2642 2717
2643 If unsure, leave at the default val 2718 If unsure, leave at the default value.
2644 2719
2645 config RANDOMIZE_BASE 2720 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2721 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2722 depends on RELOCATABLE
2648 help 2723 help
2649 Randomizes the physical and virtual 2724 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2725 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2726 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2727 of kernel internals.
2653 2728
2654 Entropy is generated using any copr 2729 Entropy is generated using any coprocessor 0 registers available.
2655 2730
2656 The kernel will be offset by up to 2731 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2732
2658 If unsure, say N. 2733 If unsure, say N.
2659 2734
2660 config RANDOMIZE_BASE_MAX_OFFSET 2735 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2736 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2737 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2738 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2739 range 0x0 0x08000000
2665 default "0x01000000" 2740 default "0x01000000"
2666 help 2741 help
2667 When kASLR is active, this provides 2742 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2743 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2744 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2745 PHYSICAL_START and must be a power of 2.
2671 2746
2672 This is limited by the size of KSEG 2747 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2748 EVA or 64-bit. The default is 16Mb.
2674 2749
2675 config NODES_SHIFT 2750 config NODES_SHIFT
2676 int 2751 int
2677 default "6" 2752 default "6"
2678 depends on NUMA 2753 depends on NUMA
2679 2754
2680 config HW_PERF_EVENTS 2755 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2756 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2757 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2758 default y
2684 help 2759 help
2685 Enable hardware performance counter 2760 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2761 disabled, perf events will use software events only.
2687 2762
2688 config DMI 2763 config DMI
2689 bool "Enable DMI scanning" 2764 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2765 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2766 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2767 default y
2693 help 2768 help
2694 Enabled scanning of DMI to identify 2769 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2770 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2771 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2772 BIOS code.
2698 2773
2699 config SMP 2774 config SMP
2700 bool "Multi-Processing support" 2775 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2776 depends on SYS_SUPPORTS_SMP
2702 help 2777 help
2703 This enables support for systems wi 2778 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2779 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2780 than one CPU, say Y.
2706 2781
2707 If you say N here, the kernel will 2782 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2783 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2784 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2785 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2786 will run faster if you say N here.
2712 2787
2713 People using multiprocessor machine 2788 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2789 Y to "Enhanced Real Time Clock Support", below.
2715 2790
2716 See also the SMP-HOWTO available at 2791 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2792 <https://www.tldp.org/docs.html#howto>.
2718 2793
2719 If you don't know what to do here, 2794 If you don't know what to do here, say N.
2720 2795
2721 config HOTPLUG_CPU 2796 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2797 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2798 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2799 help
2725 Say Y here to allow turning CPUs of 2800 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2801 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2802 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2803 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2804 Say N if you want to disable CPU hotplug.
2730 2805
2731 config SMP_UP 2806 config SMP_UP
2732 bool 2807 bool
2733 2808
>> 2809 config SYS_SUPPORTS_MIPS_CMP
>> 2810 bool
>> 2811
2734 config SYS_SUPPORTS_MIPS_CPS 2812 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2813 bool
2736 2814
2737 config SYS_SUPPORTS_SMP 2815 config SYS_SUPPORTS_SMP
2738 bool 2816 bool
2739 2817
2740 config NR_CPUS_DEFAULT_4 2818 config NR_CPUS_DEFAULT_4
2741 bool 2819 bool
2742 2820
2743 config NR_CPUS_DEFAULT_8 2821 config NR_CPUS_DEFAULT_8
2744 bool 2822 bool
2745 2823
2746 config NR_CPUS_DEFAULT_16 2824 config NR_CPUS_DEFAULT_16
2747 bool 2825 bool
2748 2826
2749 config NR_CPUS_DEFAULT_32 2827 config NR_CPUS_DEFAULT_32
2750 bool 2828 bool
2751 2829
2752 config NR_CPUS_DEFAULT_64 2830 config NR_CPUS_DEFAULT_64
2753 bool 2831 bool
2754 2832
2755 config NR_CPUS 2833 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2834 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2835 range 2 256
2758 depends on SMP 2836 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2837 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2838 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2839 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2840 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2841 default "64" if NR_CPUS_DEFAULT_64
2764 help 2842 help
2765 This allows you to specify the maxi 2843 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2844 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2845 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2846 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2847 and 2 for all others.
2770 2848
2771 This is purely to save memory - eac 2849 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2850 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2851 performance should round up your number of processors to the next
2774 power of two. 2852 power of two.
2775 2853
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2854 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2855 bool
2778 2856
2779 config MIPS_NR_CPU_NR_MAP_1024 2857 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2858 bool
2781 2859
2782 config MIPS_NR_CPU_NR_MAP 2860 config MIPS_NR_CPU_NR_MAP
2783 int 2861 int
2784 depends on SMP 2862 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2863 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2864 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2865
2788 # 2866 #
2789 # Timer Interrupt Frequency Configuration 2867 # Timer Interrupt Frequency Configuration
2790 # 2868 #
2791 2869
2792 choice 2870 choice
2793 prompt "Timer frequency" 2871 prompt "Timer frequency"
2794 default HZ_250 2872 default HZ_250
2795 help 2873 help
2796 Allows the configuration of the tim 2874 Allows the configuration of the timer frequency.
2797 2875
2798 config HZ_24 2876 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2877 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2878
2801 config HZ_48 2879 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2880 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2881
2804 config HZ_100 2882 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2883 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2884
2807 config HZ_128 2885 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2886 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2887
2810 config HZ_250 2888 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2889 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2890
2813 config HZ_256 2891 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2892 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2893
2816 config HZ_1000 2894 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2895 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2896
2819 config HZ_1024 2897 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2898 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2899
2822 endchoice 2900 endchoice
2823 2901
2824 config SYS_SUPPORTS_24HZ 2902 config SYS_SUPPORTS_24HZ
2825 bool 2903 bool
2826 2904
2827 config SYS_SUPPORTS_48HZ 2905 config SYS_SUPPORTS_48HZ
2828 bool 2906 bool
2829 2907
2830 config SYS_SUPPORTS_100HZ 2908 config SYS_SUPPORTS_100HZ
2831 bool 2909 bool
2832 2910
2833 config SYS_SUPPORTS_128HZ 2911 config SYS_SUPPORTS_128HZ
2834 bool 2912 bool
2835 2913
2836 config SYS_SUPPORTS_250HZ 2914 config SYS_SUPPORTS_250HZ
2837 bool 2915 bool
2838 2916
2839 config SYS_SUPPORTS_256HZ 2917 config SYS_SUPPORTS_256HZ
2840 bool 2918 bool
2841 2919
2842 config SYS_SUPPORTS_1000HZ 2920 config SYS_SUPPORTS_1000HZ
2843 bool 2921 bool
2844 2922
2845 config SYS_SUPPORTS_1024HZ 2923 config SYS_SUPPORTS_1024HZ
2846 bool 2924 bool
2847 2925
2848 config SYS_SUPPORTS_ARBIT_HZ 2926 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2927 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2928 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2929 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2930 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2931 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2932 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2933 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2934 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2935 !SYS_SUPPORTS_1024HZ
2858 2936
2859 config HZ 2937 config HZ
2860 int 2938 int
2861 default 24 if HZ_24 2939 default 24 if HZ_24
2862 default 48 if HZ_48 2940 default 48 if HZ_48
2863 default 100 if HZ_100 2941 default 100 if HZ_100
2864 default 128 if HZ_128 2942 default 128 if HZ_128
2865 default 250 if HZ_250 2943 default 250 if HZ_250
2866 default 256 if HZ_256 2944 default 256 if HZ_256
2867 default 1000 if HZ_1000 2945 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2946 default 1024 if HZ_1024
2869 2947
2870 config SCHED_HRTICK 2948 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2949 def_bool HIGH_RES_TIMERS
2872 2950
2873 config ARCH_SUPPORTS_KEXEC !! 2951 config KEXEC
2874 def_bool y !! 2952 bool "Kexec system call"
2875 !! 2953 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2954 help
2877 def_bool y !! 2955 kexec is a system call that implements the ability to shutdown your
>> 2956 current kernel, and to start another kernel. It is like a reboot
>> 2957 but it is independent of the system firmware. And like a reboot
>> 2958 you can start any kernel with it, not just Linux.
>> 2959
>> 2960 The name comes from the similarity to the exec system call.
>> 2961
>> 2962 It is an ongoing process to be certain the hardware in a machine
>> 2963 is properly shutdown, so do not be surprised if this code does not
>> 2964 initially work for you. As of this writing the exact hardware
>> 2965 interface is strongly in flux, so no good recommendation can be
>> 2966 made.
>> 2967
>> 2968 config CRASH_DUMP
>> 2969 bool "Kernel crash dumps"
>> 2970 help
>> 2971 Generate crash dump after being started by kexec.
>> 2972 This should be normally only set in special crash dump kernels
>> 2973 which are loaded in the main kernel with kexec-tools into
>> 2974 a specially reserved region and then later executed after
>> 2975 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2976 to a memory address not used by the main kernel or firmware using
>> 2977 PHYSICAL_START.
2878 2978
2879 config PHYSICAL_START 2979 config PHYSICAL_START
2880 hex "Physical address where the kerne 2980 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2981 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2982 depends on CRASH_DUMP
2883 help 2983 help
2884 This gives the CKSEG0 or KSEG0 addr 2984 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2985 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2986 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2987 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2988 passed to the panic-ed kernel).
2889 2989
2890 config MIPS_O32_FP64_SUPPORT 2990 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2991 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2992 depends on 32BIT || MIPS32_O32
2893 help 2993 help
2894 When this is enabled, the kernel wi 2994 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2995 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2996 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2997 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2998 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2999 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3000 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3001 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3002 saying N here.
2903 3003
2904 Although binutils currently support 3004 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3005 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3006 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3007 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3008 be considered experimental and only enabled by those working upon
2909 said details. 3009 said details.
2910 3010
2911 If unsure, say N. 3011 If unsure, say N.
2912 3012
2913 config USE_OF 3013 config USE_OF
2914 bool 3014 bool
2915 select OF 3015 select OF
2916 select OF_EARLY_FLATTREE 3016 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3017 select IRQ_DOMAIN
2918 3018
2919 config UHI_BOOT 3019 config UHI_BOOT
2920 bool 3020 bool
2921 3021
2922 config BUILTIN_DTB 3022 config BUILTIN_DTB
2923 bool 3023 bool
2924 3024
2925 choice 3025 choice
2926 prompt "Kernel appended dtb support" !! 3026 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3027 default MIPS_NO_APPENDED_DTB
2929 3028
2930 config MIPS_NO_APPENDED_DTB 3029 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3030 bool "None"
2932 help 3031 help
2933 Do not enable appended dtb 3032 Do not enable appended dtb support.
2934 3033
2935 config MIPS_ELF_APPENDED_DTB 3034 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3035 bool "vmlinux"
2937 help 3036 help
2938 With this option, the boot 3037 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3038 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3039 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3040 objcopy:
2942 3041
2943 objcopy --update-section 3042 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3043
2945 This is meant as a backward 3044 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3045 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3046 the documented boot protocol using a device tree.
2948 3047
2949 config MIPS_RAW_APPENDED_DTB 3048 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3049 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3050 help
2952 With this option, the boot 3051 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3052 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3053 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3054
2956 This is meant as a backward 3055 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3056 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3057 the documented boot protocol using a device tree.
2959 3058
2960 Beware that there is very l 3059 Beware that there is very little in terms of protection against
2961 this option being confused 3060 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3061 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3062 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3063 if you don't intend to always append a DTB.
2965 endchoice 3064 endchoice
2966 3065
2967 choice 3066 choice
2968 prompt "Kernel command line type" !! 3067 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3068 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3069 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3070 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3071 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3072
2975 config MIPS_CMDLINE_FROM_DTB 3073 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3074 depends on USE_OF
2977 bool "Dtb kernel arguments if 3075 bool "Dtb kernel arguments if available"
2978 3076
2979 config MIPS_CMDLINE_DTB_EXTEND 3077 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3078 depends on USE_OF
2981 bool "Extend dtb kernel argum 3079 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3080
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3081 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3082 bool "Bootloader kernel arguments if available"
2985 3083
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3084 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3085 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3086 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3087 endchoice
2990 3088
2991 endmenu 3089 endmenu
2992 3090
2993 config LOCKDEP_SUPPORT 3091 config LOCKDEP_SUPPORT
2994 bool 3092 bool
2995 default y 3093 default y
2996 3094
2997 config STACKTRACE_SUPPORT 3095 config STACKTRACE_SUPPORT
2998 bool 3096 bool
2999 default y 3097 default y
3000 3098
3001 config PGTABLE_LEVELS 3099 config PGTABLE_LEVELS
3002 int 3100 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3101 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3102 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3103 default 2
3006 3104
3007 config MIPS_AUTO_PFN_OFFSET 3105 config MIPS_AUTO_PFN_OFFSET
3008 bool 3106 bool
3009 3107
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3108 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3109
3012 config PCI_DRIVERS_GENERIC 3110 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3111 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3112 bool
3015 3113
3016 config PCI_DRIVERS_LEGACY 3114 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3115 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3116 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3117 select PCI_DOMAINS if PCI
3020 3118
3021 # 3119 #
3022 # ISA support is now enabled via select. Too 3120 # ISA support is now enabled via select. Too many systems still have the one
3023 # or other ISA chip on the board that users d 3121 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3122 # users to choose the right thing ...
3025 # 3123 #
3026 config ISA 3124 config ISA
3027 bool 3125 bool
3028 3126
3029 config TC 3127 config TC
3030 bool "TURBOchannel support" 3128 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3129 depends on MACH_DECSTATION
3032 help 3130 help
3033 TURBOchannel is a DEC (now Compaq ( 3131 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3132 processors. TURBOchannel programming specifications are available
3035 at: 3133 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3134 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3135 and:
3038 <http://www.computer-refuge.org/cla 3136 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3137 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3138 <http://www.linux-mips.org/wiki/DECstation>
3041 3139
3042 config MMU 3140 config MMU
3043 bool 3141 bool
3044 default y 3142 default y
3045 3143
3046 config ARCH_MMAP_RND_BITS_MIN 3144 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3145 default 12 if 64BIT
3048 default 8 3146 default 8
3049 3147
3050 config ARCH_MMAP_RND_BITS_MAX 3148 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3149 default 18 if 64BIT
3052 default 15 3150 default 15
3053 3151
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3152 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3153 default 8
3056 3154
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3155 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3156 default 15
3059 3157
3060 config I8253 3158 config I8253
3061 bool 3159 bool
3062 select CLKSRC_I8253 3160 select CLKSRC_I8253
3063 select CLKEVT_I8253 3161 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3162 select MIPS_EXTERNAL_TIMER
3065 endmenu 3163 endmenu
3066 3164
3067 config TRAD_SIGNALS 3165 config TRAD_SIGNALS
3068 bool 3166 bool
3069 3167
3070 config MIPS32_COMPAT 3168 config MIPS32_COMPAT
3071 bool 3169 bool
3072 3170
3073 config COMPAT 3171 config COMPAT
3074 bool 3172 bool
3075 3173
>> 3174 config SYSVIPC_COMPAT
>> 3175 bool
>> 3176
3076 config MIPS32_O32 3177 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3178 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3179 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3180 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3181 select COMPAT
3081 select MIPS32_COMPAT 3182 select MIPS32_COMPAT
>> 3183 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3184 help
3083 Select this option if you want to r 3185 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3186 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3187 existing binaries are in this format.
3086 3188
3087 If unsure, say Y. 3189 If unsure, say Y.
3088 3190
3089 config MIPS32_N32 3191 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3192 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3193 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3194 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3195 select COMPAT
3094 select MIPS32_COMPAT 3196 select MIPS32_COMPAT
>> 3197 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3198 help
3096 Select this option if you want to r 3199 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3200 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3201 data that would normally be 64-bit. They are used in special
3099 cases. 3202 cases.
3100 3203
3101 If unsure, say N. 3204 If unsure, say N.
3102 3205
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" 3206 menu "Power management options"
3112 3207
3113 config ARCH_HIBERNATION_POSSIBLE 3208 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3209 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3210 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3211
3117 config ARCH_SUSPEND_POSSIBLE 3212 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3213 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3214 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3215
3121 source "kernel/power/Kconfig" 3216 source "kernel/power/Kconfig"
3122 3217
3123 endmenu 3218 endmenu
3124 3219
3125 config MIPS_EXTERNAL_TIMER 3220 config MIPS_EXTERNAL_TIMER
3126 bool 3221 bool
3127 3222
3128 menu "CPU Power Management" 3223 menu "CPU Power Management"
3129 3224
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3225 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3226 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3227 endif
3133 3228
3134 source "drivers/cpuidle/Kconfig" 3229 source "drivers/cpuidle/Kconfig"
3135 3230
3136 endmenu 3231 endmenu
3137 3232
3138 source "arch/mips/kvm/Kconfig" 3233 source "arch/mips/kvm/Kconfig"
3139 3234
3140 source "arch/mips/vdso/Kconfig" 3235 source "arch/mips/vdso/Kconfig"
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