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 !! 7 select ARCH_CLOCKSOURCE_DATA
8 select ARCH_HAS_CPU_FINALIZE_INIT 8 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE <<
13 select ARCH_HAS_KCOV <<
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT <<
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE 9 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 10 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL !! 11 select ARCH_SUPPORTS_UPROBES
21 select ARCH_KEEP_MEMBLOCK <<
22 select ARCH_USE_BUILTIN_BSWAP 12 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 13 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 14 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 15 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 16 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 17 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN !! 18 select BUILDTIME_EXTABLE_SORT
31 select BUILDTIME_TABLE_SORT <<
32 select CLONE_BACKWARDS 19 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 20 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 21 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 22 select GENERIC_ATOMIC64 if !64BIT
>> 23 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE 24 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 25 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 26 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 27 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 28 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 29 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 30 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 31 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 32 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 33 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 34 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 35 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 36 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 37 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 38 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 39 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 40 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 41 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 42 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !! 43 select HAVE_ARCH_KGDB
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 44 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 45 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 46 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 47 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 48 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 49 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 50 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
64 select HAVE_TIF_NOHZ !! 51 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
>> 52 select HAVE_CONTEXT_TRACKING
>> 53 select HAVE_COPY_THREAD_TLS
65 select HAVE_C_RECORDMCOUNT 54 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 55 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 56 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 57 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 58 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS <<
71 select HAVE_EXIT_THREAD 59 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 60 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 61 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 62 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 63 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS !! 64 select HAVE_IDE
77 select HAVE_GENERIC_VDSO <<
78 select HAVE_IOREMAP_PROT 65 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 66 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 67 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 68 select HAVE_KPROBES
82 select HAVE_KRETPROBES 69 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 70 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
>> 71 select HAVE_MEMBLOCK_NODE_MAP
84 select HAVE_MOD_ARCH_SPECIFIC 72 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 73 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 74 select HAVE_OPROFILE
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 75 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS <<
91 select HAVE_PERF_USER_STACK_DUMP <<
92 select HAVE_REGS_AND_STACK_ACCESS_API 76 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 77 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR <<
95 select HAVE_STACKPROTECTOR 78 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 79 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 80 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
>> 81 select HAVE_GENERIC_VDSO
98 select IRQ_FORCED_THREADING 82 select IRQ_FORCED_THREADING
99 select ISA if EISA 83 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES <<
102 select MODULES_USE_ELF_RELA if MODULES 84 select MODULES_USE_ELF_RELA if MODULES && 64BIT
>> 85 select MODULES_USE_ELF_REL if MODULES
103 select PERF_USE_VMALLOC 86 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
105 select RTC_LIB 87 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 88 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 89 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT !! 90 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 <<
111 config MIPS_FIXUP_BIGPHYS_ADDR <<
112 bool <<
113 <<
114 config MIPS_GENERIC <<
115 bool <<
116 <<
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC <<
121 bool <<
122 select SYS_SUPPORTS_32BIT_KERNEL <<
123 select SYS_SUPPORTS_LITTLE_ENDIAN <<
124 select SYS_SUPPORTS_ZBOOT <<
125 select DMA_NONCOHERENT <<
126 select IRQ_MIPS_CPU <<
127 select PINCTRL <<
128 select GPIOLIB <<
129 select COMMON_CLK <<
130 select GENERIC_IRQ_CHIP <<
131 select BUILTIN_DTB if MIPS_NO_APPENDED <<
132 select USE_OF <<
133 select CPU_SUPPORTS_CPUFREQ <<
134 select MIPS_EXTERNAL_TIMER <<
135 91
136 menu "Machine selection" 92 menu "Machine selection"
137 93
138 choice 94 choice
139 prompt "System type" 95 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 96 default MIPS_GENERIC
141 97
142 config MIPS_GENERIC_KERNEL !! 98 config MIPS_GENERIC
143 bool "Generic board-agnostic MIPS kern 99 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC <<
145 select BOOT_RAW 100 select BOOT_RAW
146 select BUILTIN_DTB 101 select BUILTIN_DTB
147 select CEVT_R4K 102 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 103 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 104 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI <<
151 select CPU_MIPSR2_IRQ_VI 105 select CPU_MIPSR2_IRQ_VI
>> 106 select CPU_MIPSR2_IRQ_EI
152 select CSRC_R4K 107 select CSRC_R4K
153 select DMA_NONCOHERENT !! 108 select DMA_PERDEV_COHERENT
154 select HAVE_PCI 109 select HAVE_PCI
155 select IRQ_MIPS_CPU 110 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE !! 111 select LIBFDT
157 select MIPS_AUTO_PFN_OFFSET 112 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 113 select MIPS_CPU_SCACHE
159 select MIPS_GIC 114 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 115 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 116 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 117 select PCI_DRIVERS_GENERIC
>> 118 select PINCTRL
163 select SMP_UP if SMP 119 select SMP_UP if SMP
164 select SWAP_IO_SPACE 120 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 121 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 122 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 123 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 124 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 125 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 126 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 127 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 128 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 129 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 130 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 131 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 132 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 <<
180 select SYS_SUPPORTS_MIPS_CPS 133 select SYS_SUPPORTS_MIPS_CPS
>> 134 select SYS_SUPPORTS_MIPS16
181 select SYS_SUPPORTS_MULTITHREADING 135 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 136 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 137 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT <<
185 select UHI_BOOT <<
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 138 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 139 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 140 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 141 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 142 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 143 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 144 select USE_OF
>> 145 select UHI_BOOT
193 help 146 help
194 Select this to build a kernel which 147 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 148 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 149 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 150 Interface) specification.
198 151
199 config MIPS_ALCHEMY 152 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 153 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 154 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 155 select CEVT_R4K
203 select CSRC_R4K 156 select CSRC_R4K
204 select IRQ_MIPS_CPU 157 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 158 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI <<
207 select SYS_HAS_CPU_MIPS32_R1 159 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 160 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 161 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 162 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 163 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 164 select COMMON_CLK
213 165
>> 166 config AR7
>> 167 bool "Texas Instruments AR7"
>> 168 select BOOT_ELF32
>> 169 select DMA_NONCOHERENT
>> 170 select CEVT_R4K
>> 171 select CSRC_R4K
>> 172 select IRQ_MIPS_CPU
>> 173 select NO_EXCEPT_FILL
>> 174 select SWAP_IO_SPACE
>> 175 select SYS_HAS_CPU_MIPS32_R1
>> 176 select SYS_HAS_EARLY_PRINTK
>> 177 select SYS_SUPPORTS_32BIT_KERNEL
>> 178 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 179 select SYS_SUPPORTS_MIPS16
>> 180 select SYS_SUPPORTS_ZBOOT_UART16550
>> 181 select GPIOLIB
>> 182 select VLYNQ
>> 183 select HAVE_CLK
>> 184 help
>> 185 Support for the Texas Instruments AR7 System-on-a-Chip
>> 186 family: TNETD7100, 7200 and 7300.
>> 187
214 config ATH25 188 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 189 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 190 select CEVT_R4K
217 select CSRC_R4K 191 select CSRC_R4K
218 select DMA_NONCOHERENT 192 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 193 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 194 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 195 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 196 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 197 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 198 select SYS_HAS_EARLY_PRINTK
225 help 199 help
226 Support for Atheros AR231x and Ather 200 Support for Atheros AR231x and Atheros AR531x based boards
227 201
228 config ATH79 202 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 203 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 204 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 205 select BOOT_RAW
232 select CEVT_R4K 206 select CEVT_R4K
233 select CSRC_R4K 207 select CSRC_R4K
234 select DMA_NONCOHERENT 208 select DMA_NONCOHERENT
235 select GPIOLIB 209 select GPIOLIB
236 select PINCTRL 210 select PINCTRL
>> 211 select HAVE_CLK
237 select COMMON_CLK 212 select COMMON_CLK
>> 213 select CLKDEV_LOOKUP
238 select IRQ_MIPS_CPU 214 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 215 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 216 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 217 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 218 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 219 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 220 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 221 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 222 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 223 help
248 Support for the Atheros AR71XX/AR724 224 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 225
250 config BMIPS_GENERIC 226 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 227 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 228 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 229 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 230 select BOOT_RAW
255 select NO_EXCEPT_FILL 231 select NO_EXCEPT_FILL
256 select USE_OF 232 select USE_OF
257 select CEVT_R4K 233 select CEVT_R4K
258 select CSRC_R4K 234 select CSRC_R4K
259 select SYNC_R4K 235 select SYNC_R4K
260 select COMMON_CLK 236 select COMMON_CLK
261 select BCM6345_L1_IRQ 237 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 238 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 239 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 240 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 241 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 242 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 243 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 244 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 245 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 246 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 247 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 248 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 249 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 250 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 251 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 252 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 253 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 254 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 255 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 256 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 257 help
285 Build a generic DT-based kernel imag 258 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 259 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 260 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 261 must be set appropriately for your board.
289 262
290 config BCM47XX 263 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 264 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 265 select BOOT_RAW
293 select CEVT_R4K 266 select CEVT_R4K
294 select CSRC_R4K 267 select CSRC_R4K
295 select DMA_NONCOHERENT 268 select DMA_NONCOHERENT
296 select HAVE_PCI 269 select HAVE_PCI
297 select IRQ_MIPS_CPU 270 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 271 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 272 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 273 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 274 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 275 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 276 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 277 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 278 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 279 select GPIOLIB
307 select LEDS_GPIO_REGISTER 280 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 281 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 282 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 283 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 284 help
312 Support for BCM47XX based boards 285 Support for BCM47XX based boards
313 286
314 config BCM63XX 287 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 288 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 289 select BOOT_RAW
317 select CEVT_R4K 290 select CEVT_R4K
318 select CSRC_R4K 291 select CSRC_R4K
319 select SYNC_R4K 292 select SYNC_R4K
320 select DMA_NONCOHERENT 293 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 294 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 295 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 296 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 297 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 298 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 299 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 300 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 301 select SWAP_IO_SPACE
329 select GPIOLIB 302 select GPIOLIB
>> 303 select HAVE_CLK
330 select MIPS_L1_CACHE_SHIFT_4 304 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK !! 305 select CLKDEV_LOOKUP
332 help 306 help
333 Support for BCM63XX based boards 307 Support for BCM63XX based boards
334 308
335 config MIPS_COBALT 309 config MIPS_COBALT
336 bool "Cobalt Server" 310 bool "Cobalt Server"
337 select CEVT_R4K 311 select CEVT_R4K
338 select CSRC_R4K 312 select CSRC_R4K
339 select CEVT_GT641XX 313 select CEVT_GT641XX
340 select DMA_NONCOHERENT 314 select DMA_NONCOHERENT
341 select FORCE_PCI 315 select FORCE_PCI
342 select I8253 316 select I8253
343 select I8259 317 select I8259
344 select IRQ_MIPS_CPU 318 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 319 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 320 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 321 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 322 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 323 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 324 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 325 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 326 select USE_GENERIC_EARLY_PRINTK_8250
353 327
354 config MACH_DECSTATION 328 config MACH_DECSTATION
355 bool "DECstations" 329 bool "DECstations"
356 select BOOT_ELF32 330 select BOOT_ELF32
357 select CEVT_DS1287 331 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 332 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 333 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 334 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 335 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 336 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 337 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 338 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 339 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 340 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 341 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 342 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 343 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 344 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 345 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 346 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 347 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 348 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 349 select MIPS_L1_CACHE_SHIFT_4
376 help 350 help
377 This enables support for DEC's MIPS 351 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 352 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 353 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 354
381 If you have one of the following DEC 355 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 356 want to choose R4xx0 for the CPU Type:
383 357
384 DECstation 5000/50 358 DECstation 5000/50
385 DECstation 5000/150 359 DECstation 5000/150
386 DECstation 5000/260 360 DECstation 5000/260
387 DECsystem 5900/260 361 DECsystem 5900/260
388 362
389 otherwise choose R3000. 363 otherwise choose R3000.
390 364
391 config MACH_JAZZ 365 config MACH_JAZZ
392 bool "Jazz family of machines" 366 bool "Jazz family of machines"
393 select ARC_MEMORY <<
394 select ARC_PROMLIB <<
395 select ARCH_MIGHT_HAVE_PC_PARPORT 367 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 368 select ARCH_MIGHT_HAVE_PC_SERIO
397 select FW_ARC 369 select FW_ARC
398 select FW_ARC32 370 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 371 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 372 select CEVT_R4K
401 select CSRC_R4K 373 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 374 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 375 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 376 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 377 select IRQ_MIPS_CPU
406 select I8253 378 select I8253
407 select I8259 379 select I8259
408 select ISA 380 select ISA
409 select SYS_HAS_CPU_R4X00 381 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 382 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 384 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 385 help
415 This a family of machines based on t 386 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 387 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 388 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 389 Olivetti M700-10 workstations.
419 390
420 config MACH_INGENIC_SOC !! 391 config MACH_INGENIC
421 bool "Ingenic SoC based machines" 392 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC !! 393 select SYS_SUPPORTS_32BIT_KERNEL
423 select MACH_INGENIC !! 394 select SYS_SUPPORTS_LITTLE_ENDIAN
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 395 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ !! 396 select CPU_SUPPORTS_HUGEPAGES
427 select MIPS_EXTERNAL_TIMER !! 397 select DMA_NONCOHERENT
>> 398 select IRQ_MIPS_CPU
>> 399 select PINCTRL
>> 400 select GPIOLIB
>> 401 select COMMON_CLK
>> 402 select GENERIC_IRQ_CHIP
>> 403 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 404 select USE_OF
>> 405 select LIBFDT
428 406
429 config LANTIQ 407 config LANTIQ
430 bool "Lantiq based platforms" 408 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 409 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 410 select IRQ_MIPS_CPU
433 select CEVT_R4K 411 select CEVT_R4K
434 select CSRC_R4K 412 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 413 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 414 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 415 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 416 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 417 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 418 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 419 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 420 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 421 select GPIOLIB
445 select SWAP_IO_SPACE 422 select SWAP_IO_SPACE
446 select BOOT_RAW 423 select BOOT_RAW
447 select HAVE_LEGACY_CLK !! 424 select CLKDEV_LOOKUP
448 select USE_OF 425 select USE_OF
449 select PINCTRL 426 select PINCTRL
450 select PINCTRL_LANTIQ 427 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 428 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 429 select RESET_CONTROLLER
453 430
>> 431 config LASAT
>> 432 bool "LASAT Networks platforms"
>> 433 select CEVT_R4K
>> 434 select CRC32
>> 435 select CSRC_R4K
>> 436 select DMA_NONCOHERENT
>> 437 select SYS_HAS_EARLY_PRINTK
>> 438 select HAVE_PCI
>> 439 select IRQ_MIPS_CPU
>> 440 select PCI_GT64XXX_PCI0
>> 441 select MIPS_NILE4
>> 442 select R5000_CPU_SCACHE
>> 443 select SYS_HAS_CPU_R5000
>> 444 select SYS_SUPPORTS_32BIT_KERNEL
>> 445 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 446 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 447
454 config MACH_LOONGSON32 448 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin !! 449 bool "Loongson-1 family of machines"
456 select SYS_SUPPORTS_ZBOOT 450 select SYS_SUPPORTS_ZBOOT
457 help 451 help
458 This enables support for the Loongso 452 This enables support for the Loongson-1 family of machines.
459 453
460 Loongson-1 is a family of 32-bit MIP 454 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 455 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 456 Sciences (CAS).
463 457
464 config MACH_LOONGSON2EF !! 458 config MACH_LOONGSON64
465 bool "Loongson-2E/F family of machines !! 459 bool "Loongson-2/3 family of machines"
466 select SYS_SUPPORTS_ZBOOT 460 select SYS_SUPPORTS_ZBOOT
467 help 461 help
468 This enables the support of early Lo !! 462 This enables the support of Loongson-2/3 family of machines.
469 463
470 config MACH_LOONGSON64 !! 464 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
471 bool "Loongson 64-bit family of machin !! 465 family of multi-core CPUs. They are both 64-bit general-purpose
472 select ARCH_DMA_DEFAULT_COHERENT !! 466 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
473 select ARCH_SPARSEMEM_ENABLE !! 467 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
474 select ARCH_MIGHT_HAVE_PC_PARPORT !! 468 in the People's Republic of China. The chief architect is Professor
475 select ARCH_MIGHT_HAVE_PC_SERIO !! 469 Weiwu Hu.
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN !! 470
>> 471 config MACH_PISTACHIO
>> 472 bool "IMG Pistachio SoC based boards"
477 select BOOT_ELF32 473 select BOOT_ELF32
478 select BOARD_SCACHE !! 474 select BOOT_RAW
479 select CSRC_R4K <<
480 select CEVT_R4K 475 select CEVT_R4K
481 select SYNC_R4K !! 476 select CLKSRC_MIPS_GIC
482 select FORCE_PCI !! 477 select COMMON_CLK
483 select ISA !! 478 select CSRC_R4K
484 select I8259 !! 479 select DMA_NONCOHERENT
>> 480 select GPIOLIB
485 select IRQ_MIPS_CPU 481 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL !! 482 select LIBFDT
487 select NR_CPUS_DEFAULT_64 !! 483 select MFD_SYSCON
488 select USE_GENERIC_EARLY_PRINTK_8250 !! 484 select MIPS_CPU_SCACHE
489 select PCI_DRIVERS_GENERIC !! 485 select MIPS_GIC
490 select SYS_HAS_CPU_LOONGSON64 !! 486 select PINCTRL
491 select SYS_HAS_EARLY_PRINTK !! 487 select REGULATOR
492 select SYS_SUPPORTS_SMP !! 488 select SYS_HAS_CPU_MIPS32_R2
493 select SYS_SUPPORTS_HOTPLUG_CPU !! 489 select SYS_SUPPORTS_32BIT_KERNEL
494 select SYS_SUPPORTS_NUMA <<
495 select SYS_SUPPORTS_64BIT_KERNEL <<
496 select SYS_SUPPORTS_HIGHMEM <<
497 select SYS_SUPPORTS_LITTLE_ENDIAN 490 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT !! 491 select SYS_SUPPORTS_MIPS_CPS
>> 492 select SYS_SUPPORTS_MULTITHREADING
499 select SYS_SUPPORTS_RELOCATABLE 493 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 !! 494 select SYS_SUPPORTS_ZBOOT
501 select COMMON_CLK !! 495 select SYS_HAS_EARLY_PRINTK
>> 496 select USE_GENERIC_EARLY_PRINTK_8250
502 select USE_OF 497 select USE_OF
503 select BUILTIN_DTB <<
504 select PCI_HOST_GENERIC <<
505 help 498 help
506 This enables the support of Loongson !! 499 This enables support for the IMG Pistachio SoC platform.
507 <<
508 Loongson-2 and Loongson-3 are 64-bit <<
509 GS264/GS464/GS464E/GS464V microarchi <<
510 and Loongson-2F which will be remove <<
511 of Computing Technology (ICT), Chine <<
512 500
513 config MIPS_MALTA 501 config MIPS_MALTA
514 bool "MIPS Malta board" 502 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 503 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 504 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 505 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 506 select BOOT_ELF32
519 select BOOT_RAW 507 select BOOT_RAW
520 select BUILTIN_DTB 508 select BUILTIN_DTB
521 select CEVT_R4K 509 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 510 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 511 select COMMON_CLK
524 select CSRC_R4K 512 select CSRC_R4K
525 select DMA_NONCOHERENT !! 513 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 514 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 515 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 516 select HAVE_PCI
529 select I8253 517 select I8253
530 select I8259 518 select I8259
531 select IRQ_MIPS_CPU 519 select IRQ_MIPS_CPU
>> 520 select LIBFDT
532 select MIPS_BONITO64 521 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 522 select MIPS_CPU_SCACHE
534 select MIPS_GIC 523 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 524 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 525 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 526 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 527 select SMP_UP if SMP
539 select SWAP_IO_SPACE 528 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 529 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 530 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 531 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 532 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 533 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 534 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 535 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 536 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 537 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 538 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 539 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 540 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 541 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 542 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 543 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 544 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 545 select SYS_SUPPORTS_MIPS16
>> 546 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 547 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 548 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 549 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 550 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 551 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 552 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 553 select USE_OF
564 select WAR_ICACHE_REFILLS <<
565 select ZONE_DMA32 if 64BIT 554 select ZONE_DMA32 if 64BIT
566 help 555 help
567 This enables support for the MIPS Te 556 This enables support for the MIPS Technologies Malta evaluation
568 board. 557 board.
569 558
570 config MACH_PIC32 559 config MACH_PIC32
571 bool "Microchip PIC32 Family" 560 bool "Microchip PIC32 Family"
572 help 561 help
573 This enables support for the Microch 562 This enables support for the Microchip PIC32 family of platforms.
574 563
575 Microchip PIC32 is a family of gener 564 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 565 microcontrollers.
577 566
578 config EYEQ !! 567 config NEC_MARKEINS
579 bool "Mobileye EyeQ SoC" !! 568 bool "NEC EMMA2RH Mark-eins board"
580 select MACH_GENERIC_CORE !! 569 select SOC_EMMA2RH
581 select ARM_AMBA !! 570 select HAVE_PCI
582 select PHYSICAL_START_BOOL !! 571 help
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 572 This enables support for the NEC Electronics Mark-eins boards.
584 select BOOT_RAW !! 573
585 select BUILTIN_DTB !! 574 config MACH_VR41XX
>> 575 bool "NEC VR4100 series based machines"
586 select CEVT_R4K 576 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 577 select CSRC_R4K
592 select DMA_NONCOHERENT !! 578 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 579 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 580 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET !! 581
596 select MIPS_CPU_SCACHE !! 582 config NXP_STB220
597 select MIPS_GIC !! 583 bool "NXP STB220 board"
598 select MIPS_L1_CACHE_SHIFT_7 !! 584 select SOC_PNX833X
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 585 help
618 Select this to build a kernel suppor !! 586 Support for NXP Semiconductors STB220 Development Board.
619 587
620 bool !! 588 config NXP_STB225
>> 589 bool "NXP 225 board"
>> 590 select SOC_PNX833X
>> 591 select SOC_PNX8335
>> 592 help
>> 593 Support for NXP Semiconductors STB225 Development Board.
621 594
622 config MACH_NINTENDO64 !! 595 config PMC_MSP
623 bool "Nintendo 64 console" !! 596 bool "PMC-Sierra MSP chipsets"
624 select CEVT_R4K 597 select CEVT_R4K
625 select CSRC_R4K 598 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 <<
627 select SYS_SUPPORTS_BIG_ENDIAN <<
628 select SYS_SUPPORTS_ZBOOT <<
629 select SYS_SUPPORTS_32BIT_KERNEL <<
630 select SYS_SUPPORTS_64BIT_KERNEL <<
631 select DMA_NONCOHERENT 599 select DMA_NONCOHERENT
>> 600 select SWAP_IO_SPACE
>> 601 select NO_EXCEPT_FILL
>> 602 select BOOT_RAW
>> 603 select SYS_HAS_CPU_MIPS32_R1
>> 604 select SYS_HAS_CPU_MIPS32_R2
>> 605 select SYS_SUPPORTS_32BIT_KERNEL
>> 606 select SYS_SUPPORTS_BIG_ENDIAN
>> 607 select SYS_SUPPORTS_MIPS16
632 select IRQ_MIPS_CPU 608 select IRQ_MIPS_CPU
>> 609 select SERIAL_8250
>> 610 select SERIAL_8250_CONSOLE
>> 611 select USB_EHCI_BIG_ENDIAN_MMIO
>> 612 select USB_EHCI_BIG_ENDIAN_DESC
>> 613 help
>> 614 This adds support for the PMC-Sierra family of Multi-Service
>> 615 Processor System-On-A-Chips. These parts include a number
>> 616 of integrated peripherals, interfaces and DSPs in addition to
>> 617 a variety of MIPS cores.
633 618
634 config RALINK 619 config RALINK
635 bool "Ralink based machines" 620 bool "Ralink based machines"
636 select CEVT_R4K 621 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 622 select CSRC_R4K
639 select BOOT_RAW 623 select BOOT_RAW
640 select DMA_NONCOHERENT 624 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 625 select IRQ_MIPS_CPU
642 select USE_OF 626 select USE_OF
>> 627 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 628 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 629 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 630 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 631 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT <<
648 select SYS_HAS_EARLY_PRINTK 632 select SYS_HAS_EARLY_PRINTK
>> 633 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 634 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 635 select RESET_CONTROLLER
651 636
652 config MACH_REALTEK_RTL <<
653 bool "Realtek RTL838x/RTL839x based ma <<
654 select MIPS_GENERIC <<
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT <<
657 select IRQ_MIPS_CPU <<
658 select CSRC_R4K <<
659 select CEVT_R4K <<
660 select SYS_HAS_CPU_MIPS32_R1 <<
661 select SYS_HAS_CPU_MIPS32_R2 <<
662 select SYS_SUPPORTS_BIG_ENDIAN <<
663 select SYS_SUPPORTS_32BIT_KERNEL <<
664 select SYS_SUPPORTS_MIPS16 <<
665 select SYS_SUPPORTS_MULTITHREADING <<
666 select SYS_SUPPORTS_VPE_LOADER <<
667 select BOOT_RAW <<
668 select PINCTRL <<
669 select USE_OF <<
670 select REALTEK_OTTO_TIMER <<
671 <<
672 config SGI_IP22 637 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 638 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY <<
675 select ARC_PROMLIB <<
676 select FW_ARC 639 select FW_ARC
677 select FW_ARC32 640 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 641 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 642 select BOOT_ELF32
680 select CEVT_R4K 643 select CEVT_R4K
681 select CSRC_R4K 644 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 645 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 646 select DMA_NONCOHERENT
684 select HAVE_EISA 647 select HAVE_EISA
685 select I8253 648 select I8253
686 select I8259 649 select I8259
687 select IP22_CPU_SCACHE 650 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 651 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 652 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 653 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 654 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 655 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 656 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 657 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 658 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 659 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 660 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 661 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK !! 662 #
>> 663 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 664 # memory during early boot on some machines.
>> 665 #
>> 666 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 667 # for a more details discussion
>> 668 #
>> 669 # select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 670 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 671 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 672 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP <<
704 select WAR_R4600_V1_HIT_CACHEOP <<
705 select WAR_R4600_V2_HIT_CACHEOP <<
706 select MIPS_L1_CACHE_SHIFT_7 673 select MIPS_L1_CACHE_SHIFT_7
707 help 674 help
708 This are the SGI Indy, Challenge S a 675 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 676 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 677 that runs on these, say Y here.
711 678
712 config SGI_IP27 679 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 680 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 681 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE <<
716 select FW_ARC 682 select FW_ARC
717 select FW_ARC64 683 select FW_ARC64
718 select ARC_CMDLINE_ONLY <<
719 select BOOT_ELF64 684 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 685 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 686 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 687 select HAVE_PCI
724 select IRQ_MIPS_CPU 688 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 689 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 690 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 691 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 692 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 693 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 694 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 695 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 696 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 697 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 698 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA <<
737 help 699 help
738 This are the SGI Origin 200, Origin 700 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 701 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 702 here.
741 703
742 config SGI_IP28 704 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 705 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY <<
745 select ARC_PROMLIB <<
746 select FW_ARC 706 select FW_ARC
747 select FW_ARC64 707 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 708 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 709 select BOOT_ELF64
750 select CEVT_R4K 710 select CEVT_R4K
751 select CSRC_R4K 711 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 712 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 713 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 714 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 715 select IRQ_MIPS_CPU
756 select HAVE_EISA 716 select HAVE_EISA
757 select I8253 717 select I8253
758 select I8259 718 select I8259
759 select SGI_HAS_I8042 719 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 720 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 721 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 722 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 723 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 724 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 725 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 726 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK !! 727 #
>> 728 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 729 # memory during early boot on some machines.
>> 730 #
>> 731 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 732 # for a more details discussion
>> 733 #
>> 734 # select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 735 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 736 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC <<
771 select MIPS_L1_CACHE_SHIFT_7 737 select MIPS_L1_CACHE_SHIFT_7
772 help 738 help
773 This is the SGI Indigo2 with R10000 739 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 740 kernel that runs on these, say Y here.
775 741
776 config SGI_IP30 <<
777 bool "SGI IP30 (Octane/Octane2)" <<
778 select ARCH_HAS_PHYS_TO_DMA <<
779 select FW_ARC <<
780 select FW_ARC64 <<
781 select BOOT_ELF64 <<
782 select CEVT_R4K <<
783 select CSRC_R4K <<
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP <<
786 select ZONE_DMA32 <<
787 select HAVE_PCI <<
788 select IRQ_MIPS_CPU <<
789 select IRQ_DOMAIN_HIERARCHY <<
790 select PCI_DRIVERS_GENERIC <<
791 select PCI_XTALK_BRIDGE <<
792 select SYS_HAS_EARLY_PRINTK <<
793 select SYS_HAS_CPU_R10000 <<
794 select SYS_SUPPORTS_64BIT_KERNEL <<
795 select SYS_SUPPORTS_BIG_ENDIAN <<
796 select SYS_SUPPORTS_SMP <<
797 select WAR_R10000_LLSC <<
798 select MIPS_L1_CACHE_SHIFT_7 <<
799 select ARC_MEMORY <<
800 help <<
801 These are the SGI Octane and Octane2 <<
802 compile a Linux kernel that runs on <<
803 <<
804 config SGI_IP32 742 config SGI_IP32
805 bool "SGI IP32 (O2)" 743 bool "SGI IP32 (O2)"
806 select ARC_MEMORY <<
807 select ARC_PROMLIB <<
808 select ARCH_HAS_PHYS_TO_DMA 744 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 745 select FW_ARC
810 select FW_ARC32 746 select FW_ARC32
811 select BOOT_ELF32 747 select BOOT_ELF32
812 select CEVT_R4K 748 select CEVT_R4K
813 select CSRC_R4K 749 select CSRC_R4K
814 select DMA_NONCOHERENT 750 select DMA_NONCOHERENT
815 select HAVE_PCI 751 select HAVE_PCI
816 select IRQ_MIPS_CPU 752 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 753 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 754 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 755 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 756 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 757 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 758 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 759 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 760 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 761 help
827 If you want this kernel to run on SG 762 If you want this kernel to run on SGI O2 workstation, say Y here.
828 763
>> 764 config SIBYTE_CRHINE
>> 765 bool "Sibyte BCM91120C-CRhine"
>> 766 select BOOT_ELF32
>> 767 select SIBYTE_BCM1120
>> 768 select SWAP_IO_SPACE
>> 769 select SYS_HAS_CPU_SB1
>> 770 select SYS_SUPPORTS_BIG_ENDIAN
>> 771 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 772
>> 773 config SIBYTE_CARMEL
>> 774 bool "Sibyte BCM91120x-Carmel"
>> 775 select BOOT_ELF32
>> 776 select SIBYTE_BCM1120
>> 777 select SWAP_IO_SPACE
>> 778 select SYS_HAS_CPU_SB1
>> 779 select SYS_SUPPORTS_BIG_ENDIAN
>> 780 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 781
829 config SIBYTE_CRHONE 782 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 783 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 784 select BOOT_ELF32
832 select SIBYTE_BCM1125 785 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 786 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 787 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 788 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 789 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 790 select SYS_SUPPORTS_LITTLE_ENDIAN
838 791
839 config SIBYTE_RHONE 792 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 793 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 794 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 795 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 796 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 797 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 798 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 799 select SYS_SUPPORTS_LITTLE_ENDIAN
847 800
848 config SIBYTE_SWARM 801 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 802 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 803 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 804 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 805 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 806 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 807 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 808 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 809 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 810 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 811 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 812 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 813
861 config SIBYTE_LITTLESUR 814 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 815 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 816 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 817 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 818 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 819 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 820 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 821 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 822 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 823 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 824 select ZONE_DMA32 if 64BIT
872 825
873 config SIBYTE_SENTOSA 826 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 827 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 828 select BOOT_ELF32
876 select SIBYTE_SB1250 829 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 830 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 831 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 832 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 833 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 834 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 835
883 config SIBYTE_BIGSUR 836 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 837 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 838 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 839 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 840 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 841 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 842 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 843 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 844 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 845 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 846 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 847 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 848
896 config SNI_RM 849 config SNI_RM
897 bool "SNI RM200/300/400" 850 bool "SNI RM200/300/400"
898 select ARC_MEMORY <<
899 select ARC_PROMLIB <<
900 select FW_ARC if CPU_LITTLE_ENDIAN 851 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 852 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 853 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 854 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 855 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 856 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 857 select BOOT_ELF32
907 select CEVT_R4K 858 select CEVT_R4K
908 select CSRC_R4K 859 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 860 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 861 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 862 select GENERIC_ISA_DMA
912 select HAVE_EISA 863 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 864 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 865 select HAVE_PCI
915 select IRQ_MIPS_CPU 866 select IRQ_MIPS_CPU
916 select I8253 867 select I8253
917 select I8259 868 select I8259
918 select ISA 869 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 870 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 871 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 872 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 873 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 874 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 875 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 876 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 877 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 878 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 879 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 880 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 881 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 882 help
933 The SNI RM200/300/400 are MIPS-based 883 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 884 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 885 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 886 support this machine type.
937 887
>> 888 config MACH_TX39XX
>> 889 bool "Toshiba TX39 series based machines"
>> 890
938 config MACH_TX49XX 891 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 892 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 893
942 config MIKROTIK_RB532 894 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 895 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 896 select CEVT_R4K
945 select CSRC_R4K 897 select CSRC_R4K
946 select DMA_NONCOHERENT 898 select DMA_NONCOHERENT
947 select HAVE_PCI 899 select HAVE_PCI
948 select IRQ_MIPS_CPU 900 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 901 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 902 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 903 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 904 select SWAP_IO_SPACE
953 select BOOT_RAW 905 select BOOT_RAW
954 select GPIOLIB 906 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 907 select MIPS_L1_CACHE_SHIFT_4
956 help 908 help
957 Support the Mikrotik(tm) RouterBoard 909 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 910 based on the IDT RC32434 SoC.
959 911
960 config CAVIUM_OCTEON_SOC 912 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 913 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 914 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 915 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 916 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 917 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 918 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 919 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 920 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 921 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 922 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 923 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 924 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 925 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 926 select HAVE_PCI
975 select HAVE_PLAT_DELAY <<
976 select HAVE_PLAT_FW_INIT_CMDLINE <<
977 select HAVE_PLAT_MEMCPY <<
978 select ZONE_DMA32 927 select ZONE_DMA32
>> 928 select HOLES_IN_ZONE
979 select GPIOLIB 929 select GPIOLIB
>> 930 select LIBFDT
980 select USE_OF 931 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 932 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 933 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 934 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 935 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 936 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 937 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 938 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 939 select SYS_SUPPORTS_RELOCATABLE
990 help 940 help
991 This option supports all of the Octe 941 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 942 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 943 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 944 Some of the supported boards are:
995 EBT3000 945 EBT3000
996 EBH3000 946 EBH3000
997 EBH3100 947 EBH3100
998 Thunder 948 Thunder
999 Kodama 949 Kodama
1000 Hikari 950 Hikari
1001 Say Y here for most Octeon referenc 951 Say Y here for most Octeon reference boards.
1002 952
1003 endchoice !! 953 config NLM_XLR_BOARD
>> 954 bool "Netlogic XLR/XLS based systems"
>> 955 select BOOT_ELF32
>> 956 select NLM_COMMON
>> 957 select SYS_HAS_CPU_XLR
>> 958 select SYS_SUPPORTS_SMP
>> 959 select HAVE_PCI
>> 960 select SWAP_IO_SPACE
>> 961 select SYS_SUPPORTS_32BIT_KERNEL
>> 962 select SYS_SUPPORTS_64BIT_KERNEL
>> 963 select PHYS_ADDR_T_64BIT
>> 964 select SYS_SUPPORTS_BIG_ENDIAN
>> 965 select SYS_SUPPORTS_HIGHMEM
>> 966 select NR_CPUS_DEFAULT_32
>> 967 select CEVT_R4K
>> 968 select CSRC_R4K
>> 969 select IRQ_MIPS_CPU
>> 970 select ZONE_DMA32 if 64BIT
>> 971 select SYNC_R4K
>> 972 select SYS_HAS_EARLY_PRINTK
>> 973 select SYS_SUPPORTS_ZBOOT
>> 974 select SYS_SUPPORTS_ZBOOT_UART16550
>> 975 help
>> 976 Support for systems based on Netlogic XLR and XLS processors.
>> 977 Say Y here if you have a XLR or XLS based board.
1004 978
1005 config FIT_IMAGE_FDT_EPM5 !! 979 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 980 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 981 select BOOT_ELF32
1008 default n !! 982 select NLM_COMMON
>> 983 select SYS_HAS_CPU_XLP
>> 984 select SYS_SUPPORTS_SMP
>> 985 select HAVE_PCI
>> 986 select SYS_SUPPORTS_32BIT_KERNEL
>> 987 select SYS_SUPPORTS_64BIT_KERNEL
>> 988 select PHYS_ADDR_T_64BIT
>> 989 select GPIOLIB
>> 990 select SYS_SUPPORTS_BIG_ENDIAN
>> 991 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 992 select SYS_SUPPORTS_HIGHMEM
>> 993 select NR_CPUS_DEFAULT_32
>> 994 select CEVT_R4K
>> 995 select CSRC_R4K
>> 996 select IRQ_MIPS_CPU
>> 997 select ZONE_DMA32 if 64BIT
>> 998 select SYNC_R4K
>> 999 select SYS_HAS_EARLY_PRINTK
>> 1000 select USE_OF
>> 1001 select SYS_SUPPORTS_ZBOOT
>> 1002 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1003 help
>> 1004 This board is based on Netlogic XLP Processor.
>> 1005 Say Y here if you have a XLP based board.
>> 1006
>> 1007 config MIPS_PARAVIRT
>> 1008 bool "Para-Virtualized guest system"
>> 1009 select CEVT_R4K
>> 1010 select CSRC_R4K
>> 1011 select SYS_SUPPORTS_64BIT_KERNEL
>> 1012 select SYS_SUPPORTS_32BIT_KERNEL
>> 1013 select SYS_SUPPORTS_BIG_ENDIAN
>> 1014 select SYS_SUPPORTS_SMP
>> 1015 select NR_CPUS_DEFAULT_4
>> 1016 select SYS_HAS_EARLY_PRINTK
>> 1017 select SYS_HAS_CPU_MIPS32_R2
>> 1018 select SYS_HAS_CPU_MIPS64_R2
>> 1019 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1020 select HAVE_PCI
>> 1021 select SWAP_IO_SPACE
1009 help 1022 help
1010 Enable this to include the FDT for !! 1023 This option supports guest running under ????
1011 from Mobileye in the FIT kernel ima !! 1024
1012 This requires u-boot on the platfor !! 1025 endchoice
1013 1026
1014 source "arch/mips/alchemy/Kconfig" 1027 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1028 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1029 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1030 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1031 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1032 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1033 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" <<
1022 source "arch/mips/jazz/Kconfig" 1034 source "arch/mips/jazz/Kconfig"
>> 1035 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1036 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 1037 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig" 1038 source "arch/mips/pic32/Kconfig"
>> 1039 source "arch/mips/pistachio/Kconfig"
>> 1040 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1041 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1042 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1043 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1044 source "arch/mips/txx9/Kconfig"
>> 1045 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1046 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" <<
1032 source "arch/mips/loongson32/Kconfig" 1047 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1048 source "arch/mips/loongson64/Kconfig"
>> 1049 source "arch/mips/netlogic/Kconfig"
>> 1050 source "arch/mips/paravirt/Kconfig"
1034 1051
1035 endmenu 1052 endmenu
1036 1053
1037 config GENERIC_HWEIGHT 1054 config GENERIC_HWEIGHT
1038 bool 1055 bool
1039 default y 1056 default y
1040 1057
1041 config GENERIC_CALIBRATE_DELAY 1058 config GENERIC_CALIBRATE_DELAY
1042 bool 1059 bool
1043 default y 1060 default y
1044 1061
1045 config SCHED_OMIT_FRAME_POINTER 1062 config SCHED_OMIT_FRAME_POINTER
1046 bool 1063 bool
1047 default y 1064 default y
1048 1065
1049 # 1066 #
1050 # Select some configuration options automatic 1067 # Select some configuration options automatically based on user selections.
1051 # 1068 #
1052 config FW_ARC 1069 config FW_ARC
1053 bool 1070 bool
1054 1071
1055 config ARCH_MAY_HAVE_PC_FDC 1072 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1073 bool
1057 1074
1058 config BOOT_RAW 1075 config BOOT_RAW
1059 bool 1076 bool
1060 1077
1061 config CEVT_BCM1480 1078 config CEVT_BCM1480
1062 bool 1079 bool
1063 1080
1064 config CEVT_DS1287 1081 config CEVT_DS1287
1065 bool 1082 bool
1066 1083
1067 config CEVT_GT641XX 1084 config CEVT_GT641XX
1068 bool 1085 bool
1069 1086
1070 config CEVT_R4K 1087 config CEVT_R4K
1071 bool 1088 bool
1072 1089
1073 config CEVT_SB1250 1090 config CEVT_SB1250
1074 bool 1091 bool
1075 1092
1076 config CEVT_TXX9 1093 config CEVT_TXX9
1077 bool 1094 bool
1078 1095
1079 config CSRC_BCM1480 1096 config CSRC_BCM1480
1080 bool 1097 bool
1081 1098
1082 config CSRC_IOASIC 1099 config CSRC_IOASIC
1083 bool 1100 bool
1084 1101
1085 config CSRC_R4K 1102 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR <<
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1103 bool
1089 1104
1090 config CSRC_SB1250 1105 config CSRC_SB1250
1091 bool 1106 bool
1092 1107
1093 config MIPS_CLOCK_VSYSCALL 1108 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1109 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1110
1096 config GPIO_TXX9 1111 config GPIO_TXX9
1097 select GPIOLIB 1112 select GPIOLIB
1098 bool 1113 bool
1099 1114
1100 config FW_CFE 1115 config FW_CFE
1101 bool 1116 bool
1102 1117
1103 config ARCH_SUPPORTS_UPROBES 1118 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1119 bool
>> 1120
>> 1121 config DMA_MAYBE_COHERENT
>> 1122 select ARCH_HAS_DMA_COHERENCE_H
>> 1123 select DMA_NONCOHERENT
>> 1124 bool
>> 1125
>> 1126 config DMA_PERDEV_COHERENT
>> 1127 bool
>> 1128 select ARCH_HAS_SETUP_DMA_OPS
>> 1129 select DMA_NONCOHERENT
1105 1130
1106 config DMA_NONCOHERENT 1131 config DMA_NONCOHERENT
1107 bool 1132 bool
1108 # 1133 #
1109 # MIPS allows mixing "slightly differ 1134 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1135 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1136 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1137 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1138 # significant advantages.
1114 # 1139 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1140 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT <<
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1141 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED !! 1142 select ARCH_HAS_UNCACHED_SEGMENT
1121 select DMA_NONCOHERENT_MMAP <<
1122 select NEED_DMA_MAP_STATE 1143 select NEED_DMA_MAP_STATE
>> 1144 select ARCH_HAS_DMA_COHERENT_TO_PFN
>> 1145 select DMA_NONCOHERENT_CACHE_SYNC
1123 1146
1124 config SYS_HAS_EARLY_PRINTK 1147 config SYS_HAS_EARLY_PRINTK
1125 bool 1148 bool
1126 1149
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1150 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1151 bool
1129 1152
1130 config MIPS_BONITO64 1153 config MIPS_BONITO64
1131 bool 1154 bool
1132 1155
1133 config MIPS_MSC 1156 config MIPS_MSC
1134 bool 1157 bool
1135 1158
>> 1159 config MIPS_NILE4
>> 1160 bool
>> 1161
1136 config SYNC_R4K 1162 config SYNC_R4K
1137 bool 1163 bool
1138 1164
>> 1165 config MIPS_MACHINE
>> 1166 def_bool n
>> 1167
1139 config NO_IOPORT_MAP 1168 config NO_IOPORT_MAP
1140 def_bool n 1169 def_bool n
1141 1170
1142 config GENERIC_CSUM 1171 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR !! 1172 bool
>> 1173 default y if !CPU_HAS_LOAD_STORE_LR
1144 1174
1145 config GENERIC_ISA_DMA 1175 config GENERIC_ISA_DMA
1146 bool 1176 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1177 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1178 select ISA_DMA_API
1149 1179
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1180 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1181 bool
1152 select GENERIC_ISA_DMA 1182 select GENERIC_ISA_DMA
1153 1183
1154 config HAVE_PLAT_DELAY !! 1184 config ISA_DMA_API
1155 bool <<
1156 <<
1157 config HAVE_PLAT_FW_INIT_CMDLINE <<
1158 bool <<
1159 <<
1160 config HAVE_PLAT_MEMCPY <<
1161 bool 1185 bool
1162 1186
1163 config ISA_DMA_API !! 1187 config HOLES_IN_ZONE
1164 bool 1188 bool
1165 1189
1166 config SYS_SUPPORTS_RELOCATABLE 1190 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1191 bool
1168 help 1192 help
1169 Selected if the platform supports r 1193 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1194 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1195 to allow access to command line and entropy sources.
1172 1196
>> 1197 config MIPS_CBPF_JIT
>> 1198 def_bool y
>> 1199 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1200
>> 1201 config MIPS_EBPF_JIT
>> 1202 def_bool y
>> 1203 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1204
>> 1205
1173 # 1206 #
1174 # Endianness selection. Sufficiently obscure 1207 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1208 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1209 # choice statement should be more obvious to the user.
1177 # 1210 #
1178 choice 1211 choice
1179 prompt "Endianness selection" 1212 prompt "Endianness selection"
1180 help 1213 help
1181 Some MIPS machines can be configure 1214 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1215 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1216 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1217 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1218 one or the other endianness.
1186 1219
1187 config CPU_BIG_ENDIAN 1220 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1221 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1222 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1223
1191 config CPU_LITTLE_ENDIAN 1224 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1225 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1226 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1227
1195 endchoice 1228 endchoice
1196 1229
1197 config EXPORT_UASM 1230 config EXPORT_UASM
1198 bool 1231 bool
1199 1232
1200 config SYS_SUPPORTS_APM_EMULATION 1233 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1234 bool
1202 1235
1203 config SYS_SUPPORTS_BIG_ENDIAN 1236 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1237 bool
1205 1238
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1239 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1240 bool
1208 1241
>> 1242 config SYS_SUPPORTS_HUGETLBFS
>> 1243 bool
>> 1244 depends on CPU_SUPPORTS_HUGEPAGES
>> 1245 default y
>> 1246
1209 config MIPS_HUGE_TLB_SUPPORT 1247 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1248 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1249
>> 1250 config IRQ_CPU_RM7K
>> 1251 bool
>> 1252
>> 1253 config IRQ_MSP_SLP
>> 1254 bool
>> 1255
>> 1256 config IRQ_MSP_CIC
>> 1257 bool
>> 1258
1212 config IRQ_TXX9 1259 config IRQ_TXX9
1213 bool 1260 bool
1214 1261
1215 config IRQ_GT641XX 1262 config IRQ_GT641XX
1216 bool 1263 bool
1217 1264
1218 config PCI_GT64XXX_PCI0 1265 config PCI_GT64XXX_PCI0
1219 bool 1266 bool
1220 1267
1221 config PCI_XTALK_BRIDGE 1268 config PCI_XTALK_BRIDGE
1222 bool 1269 bool
1223 1270
1224 config NO_EXCEPT_FILL 1271 config NO_EXCEPT_FILL
1225 bool 1272 bool
1226 1273
>> 1274 config SOC_EMMA2RH
>> 1275 bool
>> 1276 select CEVT_R4K
>> 1277 select CSRC_R4K
>> 1278 select DMA_NONCOHERENT
>> 1279 select IRQ_MIPS_CPU
>> 1280 select SWAP_IO_SPACE
>> 1281 select SYS_HAS_CPU_R5500
>> 1282 select SYS_SUPPORTS_32BIT_KERNEL
>> 1283 select SYS_SUPPORTS_64BIT_KERNEL
>> 1284 select SYS_SUPPORTS_BIG_ENDIAN
>> 1285
>> 1286 config SOC_PNX833X
>> 1287 bool
>> 1288 select CEVT_R4K
>> 1289 select CSRC_R4K
>> 1290 select IRQ_MIPS_CPU
>> 1291 select DMA_NONCOHERENT
>> 1292 select SYS_HAS_CPU_MIPS32_R2
>> 1293 select SYS_SUPPORTS_32BIT_KERNEL
>> 1294 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1295 select SYS_SUPPORTS_BIG_ENDIAN
>> 1296 select SYS_SUPPORTS_MIPS16
>> 1297 select CPU_MIPSR2_IRQ_VI
>> 1298
>> 1299 config SOC_PNX8335
>> 1300 bool
>> 1301 select SOC_PNX833X
>> 1302
1227 config MIPS_SPRAM 1303 config MIPS_SPRAM
1228 bool 1304 bool
1229 1305
1230 config SWAP_IO_SPACE 1306 config SWAP_IO_SPACE
1231 bool 1307 bool
1232 1308
1233 config SGI_HAS_INDYDOG 1309 config SGI_HAS_INDYDOG
1234 bool 1310 bool
1235 1311
1236 config SGI_HAS_HAL2 1312 config SGI_HAS_HAL2
1237 bool 1313 bool
1238 1314
1239 config SGI_HAS_SEEQ 1315 config SGI_HAS_SEEQ
1240 bool 1316 bool
1241 1317
1242 config SGI_HAS_WD93 1318 config SGI_HAS_WD93
1243 bool 1319 bool
1244 1320
1245 config SGI_HAS_ZILOG 1321 config SGI_HAS_ZILOG
1246 bool 1322 bool
1247 1323
1248 config SGI_HAS_I8042 1324 config SGI_HAS_I8042
1249 bool 1325 bool
1250 1326
1251 config DEFAULT_SGI_PARTITION 1327 config DEFAULT_SGI_PARTITION
1252 bool 1328 bool
1253 1329
1254 config FW_ARC32 1330 config FW_ARC32
1255 bool 1331 bool
1256 1332
1257 config FW_SNIPROM 1333 config FW_SNIPROM
1258 bool 1334 bool
1259 1335
1260 config BOOT_ELF32 1336 config BOOT_ELF32
1261 bool 1337 bool
1262 1338
1263 config MIPS_L1_CACHE_SHIFT_4 1339 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1340 bool
1265 1341
1266 config MIPS_L1_CACHE_SHIFT_5 1342 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1343 bool
1268 1344
1269 config MIPS_L1_CACHE_SHIFT_6 1345 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1346 bool
1271 1347
1272 config MIPS_L1_CACHE_SHIFT_7 1348 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1349 bool
1274 1350
1275 config MIPS_L1_CACHE_SHIFT 1351 config MIPS_L1_CACHE_SHIFT
1276 int 1352 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1353 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1354 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1355 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1356 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1357 default "5"
1282 1358
1283 config ARC_CMDLINE_ONLY !! 1359 config HAVE_STD_PC_SERIAL_PORT
1284 bool 1360 bool
1285 1361
1286 config ARC_CONSOLE 1362 config ARC_CONSOLE
1287 bool "ARC console support" 1363 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1364 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1365
1290 config ARC_MEMORY 1366 config ARC_MEMORY
1291 bool 1367 bool
>> 1368 depends on MACH_JAZZ || SNI_RM || SGI_IP32
>> 1369 default y
1292 1370
1293 config ARC_PROMLIB 1371 config ARC_PROMLIB
1294 bool 1372 bool
>> 1373 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
>> 1374 default y
1295 1375
1296 config FW_ARC64 1376 config FW_ARC64
1297 bool 1377 bool
1298 1378
1299 config BOOT_ELF64 1379 config BOOT_ELF64
1300 bool 1380 bool
1301 1381
1302 menu "CPU selection" 1382 menu "CPU selection"
1303 1383
1304 choice 1384 choice
1305 prompt "CPU type" 1385 prompt "CPU type"
1306 default CPU_R4X00 1386 default CPU_R4X00
1307 1387
1308 config CPU_LOONGSON64 !! 1388 config CPU_LOONGSON3
1309 bool "Loongson 64-bit CPU" !! 1389 bool "Loongson 3 CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 !! 1390 depends on SYS_HAS_CPU_LOONGSON3
1311 select ARCH_HAS_PHYS_TO_DMA 1391 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 <<
1313 select CPU_HAS_PREFETCH <<
1314 select CPU_SUPPORTS_64BIT_KERNEL 1392 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1393 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1394 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA !! 1395 select CPU_HAS_LOAD_STORE_LR
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ <<
1320 select CPU_MIPSR2_IRQ_VI <<
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1396 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1397 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE <<
1325 select MIPS_PGD_C0_CONTEXT 1398 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1399 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1400 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1401 select GPIOLIB
1329 select SWIOTLB 1402 select SWIOTLB
1330 help 1403 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1404 The Loongson 3 processor implements the MIPS64R2 instruction
1332 cores implements the MIPS64R2 instr !! 1405 set with many extensions.
1333 including most 64-bit Loongson-2 (2 !! 1406
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1407 config LOONGSON3_ENHANCEMENT
1335 Loongson-2E/2F is not covered here !! 1408 bool "New Loongson 3 CPU Enhancements"
>> 1409 default n
>> 1410 select CPU_MIPSR2
>> 1411 select CPU_HAS_PREFETCH
>> 1412 depends on CPU_LOONGSON3
>> 1413 help
>> 1414 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1415 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1416 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1417 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1418 Fast TLB refill support, etc.
>> 1419
>> 1420 This option enable those enhancements which are not probed at run
>> 1421 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1422 please say 'N' here. If you want a high-performance kernel to run on
>> 1423 new Loongson 3 machines only, please say 'Y' here.
>> 1424
>> 1425 config CPU_LOONGSON3_WORKAROUNDS
>> 1426 bool "Old Loongson 3 LLSC Workarounds"
>> 1427 default y if SMP
>> 1428 depends on CPU_LOONGSON3
>> 1429 help
>> 1430 Loongson 3 processors have the llsc issues which require workarounds.
>> 1431 Without workarounds the system may hang unexpectedly.
>> 1432
>> 1433 Newer Loongson 3 will fix these issues and no workarounds are needed.
>> 1434 The workarounds have no significant side effect on them but may
>> 1435 decrease the performance of the system so this option should be
>> 1436 disabled unless the kernel is intended to be run on old systems.
>> 1437
>> 1438 If unsure, please say Y.
1336 1439
1337 config CPU_LOONGSON2E 1440 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1441 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1442 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF !! 1443 select CPU_LOONGSON2
1341 help 1444 help
1342 The Loongson 2E processor implement 1445 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1446 with many extensions.
1344 1447
1345 It has an internal FPGA northbridge 1448 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1449 bonito64.
1347 1450
1348 config CPU_LOONGSON2F 1451 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1452 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1453 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF !! 1454 select CPU_LOONGSON2
>> 1455 select GPIOLIB
1352 help 1456 help
1353 The Loongson 2F processor implement 1457 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1458 with many extensions.
1355 1459
1356 Loongson2F have built-in DDR2 and P 1460 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1461 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1462 Loongson2E.
1359 1463
1360 config CPU_LOONGSON1B 1464 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1465 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1466 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 !! 1467 select CPU_LOONGSON1
1364 select LEDS_GPIO_REGISTER 1468 select LEDS_GPIO_REGISTER
1365 help 1469 help
1366 The Loongson 1B is a 32-bit SoC, wh 1470 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1471 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1472 instruction set.
1369 1473
1370 config CPU_LOONGSON1C 1474 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1475 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1476 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 !! 1477 select CPU_LOONGSON1
1374 select LEDS_GPIO_REGISTER 1478 select LEDS_GPIO_REGISTER
1375 help 1479 help
1376 The Loongson 1C is a 32-bit SoC, wh 1480 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1481 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1482 instruction set.
1379 1483
1380 config CPU_MIPS32_R1 1484 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1485 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1486 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1487 select CPU_HAS_PREFETCH
>> 1488 select CPU_HAS_LOAD_STORE_LR
1384 select CPU_SUPPORTS_32BIT_KERNEL 1489 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1490 select CPU_SUPPORTS_HIGHMEM
1386 help 1491 help
1387 Choose this option to build a kerne 1492 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1493 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1494 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1495 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1496 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1497 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1498 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1499 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1500 performance.
1396 1501
1397 config CPU_MIPS32_R2 1502 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1503 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1504 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1505 select CPU_HAS_PREFETCH
>> 1506 select CPU_HAS_LOAD_STORE_LR
1401 select CPU_SUPPORTS_32BIT_KERNEL 1507 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1508 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1509 select CPU_SUPPORTS_MSA
>> 1510 select HAVE_KVM
1404 help 1511 help
1405 Choose this option to build a kerne 1512 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1513 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1514 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1515 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1516 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1517
1411 config CPU_MIPS32_R5 <<
1412 bool "MIPS32 Release 5" <<
1413 depends on SYS_HAS_CPU_MIPS32_R5 <<
1414 select CPU_HAS_PREFETCH <<
1415 select CPU_SUPPORTS_32BIT_KERNEL <<
1416 select CPU_SUPPORTS_HIGHMEM <<
1417 select CPU_SUPPORTS_MSA <<
1418 select CPU_SUPPORTS_VZ <<
1419 select MIPS_O32_FP64_SUPPORT <<
1420 help <<
1421 Choose this option to build a kerne <<
1422 MIPS32 architecture. New MIPS proc <<
1423 family, are based on a MIPS32r5 pro <<
1424 processor, you probably need to sel <<
1425 <<
1426 config CPU_MIPS32_R6 1518 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1519 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1520 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1521 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR <<
1431 select CPU_SUPPORTS_32BIT_KERNEL 1522 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1523 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1524 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1525 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1526 select MIPS_O32_FP64_SUPPORT
1436 help 1527 help
1437 Choose this option to build a kerne 1528 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1529 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1530 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1531 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1532
1442 config CPU_MIPS64_R1 1533 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1534 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1535 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1536 select CPU_HAS_PREFETCH
>> 1537 select CPU_HAS_LOAD_STORE_LR
1446 select CPU_SUPPORTS_32BIT_KERNEL 1538 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1539 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1540 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1541 select CPU_SUPPORTS_HUGEPAGES
1450 help 1542 help
1451 Choose this option to build a kerne 1543 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1544 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1545 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1546 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1547 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1548 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1549 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1550 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1551 performance.
1460 1552
1461 config CPU_MIPS64_R2 1553 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1554 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1555 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1556 select CPU_HAS_PREFETCH
>> 1557 select CPU_HAS_LOAD_STORE_LR
1465 select CPU_SUPPORTS_32BIT_KERNEL 1558 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1559 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1560 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1561 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1562 select CPU_SUPPORTS_MSA
>> 1563 select HAVE_KVM
1470 help 1564 help
1471 Choose this option to build a kerne 1565 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1566 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1567 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1568 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1569 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1570
1477 config CPU_MIPS64_R5 <<
1478 bool "MIPS64 Release 5" <<
1479 depends on SYS_HAS_CPU_MIPS64_R5 <<
1480 select CPU_HAS_PREFETCH <<
1481 select CPU_SUPPORTS_32BIT_KERNEL <<
1482 select CPU_SUPPORTS_64BIT_KERNEL <<
1483 select CPU_SUPPORTS_HIGHMEM <<
1484 select CPU_SUPPORTS_HUGEPAGES <<
1485 select CPU_SUPPORTS_MSA <<
1486 select MIPS_O32_FP64_SUPPORT if 32BIT <<
1487 select CPU_SUPPORTS_VZ <<
1488 help <<
1489 Choose this option to build a kerne <<
1490 MIPS64 architecture. This is a int <<
1491 release partly implementing release <<
1492 any hardware known to be based on t <<
1493 <<
1494 config CPU_MIPS64_R6 1571 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1572 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1573 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1574 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR <<
1499 select CPU_SUPPORTS_32BIT_KERNEL 1575 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1576 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1577 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1578 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1579 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1580 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1581 select HAVE_KVM
1506 help 1582 help
1507 Choose this option to build a kerne 1583 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1584 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1585 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1586 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1587
1512 config CPU_P5600 <<
1513 bool "MIPS Warrior P5600" <<
1514 depends on SYS_HAS_CPU_P5600 <<
1515 select CPU_HAS_PREFETCH <<
1516 select CPU_SUPPORTS_32BIT_KERNEL <<
1517 select CPU_SUPPORTS_HIGHMEM <<
1518 select CPU_SUPPORTS_MSA <<
1519 select CPU_SUPPORTS_CPUFREQ <<
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI <<
1522 select CPU_MIPSR2_IRQ_EI <<
1523 select MIPS_O32_FP64_SUPPORT <<
1524 help <<
1525 Choose this option to build a kerne <<
1526 It's based on MIPS32r5 ISA with XPA <<
1527 MMU with two-levels TLB, UCA, MSA, <<
1528 level features like up to six P5600 <<
1529 cache, IOCU/IOMMU (though might be <<
1530 specific IP core configuration), GI <<
1531 eJTAG and PDtrace. <<
1532 <<
1533 config CPU_R3000 1588 config CPU_R3000
1534 bool "R3000" 1589 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1590 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1591 select CPU_HAS_WB
>> 1592 select CPU_HAS_LOAD_STORE_LR
1537 select CPU_R3K_TLB 1593 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1594 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1595 select CPU_SUPPORTS_HIGHMEM
1540 help 1596 help
1541 Please make sure to pick the right 1597 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1598 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1599 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1600 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1601 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1602 try to recompile with R3000.
1547 1603
1548 config CPU_R4300 !! 1604 config CPU_TX39XX
1549 bool "R4300" !! 1605 bool "R39XX"
1550 depends on SYS_HAS_CPU_R4300 !! 1606 depends on SYS_HAS_CPU_TX39XX
>> 1607 select CPU_SUPPORTS_32BIT_KERNEL
>> 1608 select CPU_HAS_LOAD_STORE_LR
>> 1609 select CPU_R3K_TLB
>> 1610
>> 1611 config CPU_VR41XX
>> 1612 bool "R41xx"
>> 1613 depends on SYS_HAS_CPU_VR41XX
1551 select CPU_SUPPORTS_32BIT_KERNEL 1614 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1615 select CPU_SUPPORTS_64BIT_KERNEL
>> 1616 select CPU_HAS_LOAD_STORE_LR
1553 help 1617 help
1554 MIPS Technologies R4300-series proc !! 1618 The options selects support for the NEC VR4100 series of processors.
>> 1619 Only choose this option if you have one of these processors as a
>> 1620 kernel built with this option will not run on any other type of
>> 1621 processor or vice versa.
1555 1622
1556 config CPU_R4X00 1623 config CPU_R4X00
1557 bool "R4x00" 1624 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1625 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1626 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1627 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1628 select CPU_SUPPORTS_HUGEPAGES
>> 1629 select CPU_HAS_LOAD_STORE_LR
1562 help 1630 help
1563 MIPS Technologies R4000-series proc 1631 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1632 the R4000, R4400, R4600, and 4700.
1565 1633
1566 config CPU_TX49XX 1634 config CPU_TX49XX
1567 bool "R49XX" 1635 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1636 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1637 select CPU_HAS_PREFETCH
>> 1638 select CPU_HAS_LOAD_STORE_LR
1570 select CPU_SUPPORTS_32BIT_KERNEL 1639 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1640 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1641 select CPU_SUPPORTS_HUGEPAGES
1573 1642
1574 config CPU_R5000 1643 config CPU_R5000
1575 bool "R5000" 1644 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1645 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1646 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1647 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1648 select CPU_SUPPORTS_HUGEPAGES
>> 1649 select CPU_HAS_LOAD_STORE_LR
1580 help 1650 help
1581 MIPS Technologies R5000-series proc 1651 MIPS Technologies R5000-series processors other than the Nevada.
1582 1652
1583 config CPU_R5500 1653 config CPU_R5500
1584 bool "R5500" 1654 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1655 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1656 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1657 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1658 select CPU_SUPPORTS_HUGEPAGES
>> 1659 select CPU_HAS_LOAD_STORE_LR
1589 help 1660 help
1590 NEC VR5500 and VR5500A series proce 1661 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1662 instruction set.
1592 1663
1593 config CPU_NEVADA 1664 config CPU_NEVADA
1594 bool "RM52xx" 1665 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1666 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1667 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1668 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1669 select CPU_SUPPORTS_HUGEPAGES
>> 1670 select CPU_HAS_LOAD_STORE_LR
1599 help 1671 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1672 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1673
1602 config CPU_R10000 1674 config CPU_R10000
1603 bool "R10000" 1675 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1676 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1677 select CPU_HAS_PREFETCH
>> 1678 select CPU_HAS_LOAD_STORE_LR
1606 select CPU_SUPPORTS_32BIT_KERNEL 1679 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1680 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1681 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1682 select CPU_SUPPORTS_HUGEPAGES
1610 help 1683 help
1611 MIPS Technologies R10000-series pro 1684 MIPS Technologies R10000-series processors.
1612 1685
1613 config CPU_RM7000 1686 config CPU_RM7000
1614 bool "RM7000" 1687 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1688 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1689 select CPU_HAS_PREFETCH
>> 1690 select CPU_HAS_LOAD_STORE_LR
1617 select CPU_SUPPORTS_32BIT_KERNEL 1691 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1692 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1693 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1694 select CPU_SUPPORTS_HUGEPAGES
1621 1695
1622 config CPU_SB1 1696 config CPU_SB1
1623 bool "SB1" 1697 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1698 depends on SYS_HAS_CPU_SB1
>> 1699 select CPU_HAS_LOAD_STORE_LR
1625 select CPU_SUPPORTS_32BIT_KERNEL 1700 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1701 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1702 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1703 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1704 select WEAK_ORDERING
1630 1705
1631 config CPU_CAVIUM_OCTEON 1706 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1707 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1708 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1709 select CPU_HAS_PREFETCH
>> 1710 select CPU_HAS_LOAD_STORE_LR
1635 select CPU_SUPPORTS_64BIT_KERNEL 1711 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 1712 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1713 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1714 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1715 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1716 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1717 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1718 select HAVE_KVM
1645 help 1719 help
1646 The Cavium Octeon processor is a hi 1720 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1721 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1722 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1723 Full details can be found at http://www.caviumnetworks.com.
1650 1724
1651 config CPU_BMIPS 1725 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1726 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1727 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1728 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1729 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1730 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1731 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1732 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1733 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1734 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1735 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1736 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1737 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1738 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1739 select CPU_HAS_PREFETCH
>> 1740 select CPU_HAS_LOAD_STORE_LR
1666 select CPU_SUPPORTS_CPUFREQ 1741 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1742 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1743 help
1670 Support for BMIPS32/3300/4350/4380 1744 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1745
1672 endchoice !! 1746 config CPU_XLR
1673 !! 1747 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1748 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1749 select CPU_HAS_LOAD_STORE_LR
1676 default n !! 1750 select CPU_SUPPORTS_32BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1751 select CPU_SUPPORTS_64BIT_KERNEL
1678 help !! 1752 select CPU_SUPPORTS_HIGHMEM
1679 New Loongson-3 cores (since Loongso !! 1753 select CPU_SUPPORTS_HUGEPAGES
1680 R1, Loongson-3B R1 and Loongson-3B !! 1754 select WEAK_ORDERING
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc !! 1755 select WEAK_REORDERING_BEYOND_LLSC
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 1756 help
1695 Loongson-3 processors have the llsc !! 1757 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 1758
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1759 config CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1760 bool "Netlogic XLP SoC"
1702 default y !! 1761 depends on SYS_HAS_CPU_XLP
1703 depends on CPU_LOONGSON64 !! 1762 select CPU_SUPPORTS_32BIT_KERNEL
>> 1763 select CPU_SUPPORTS_64BIT_KERNEL
>> 1764 select CPU_SUPPORTS_HIGHMEM
>> 1765 select WEAK_ORDERING
>> 1766 select WEAK_REORDERING_BEYOND_LLSC
>> 1767 select CPU_HAS_PREFETCH
>> 1768 select CPU_HAS_LOAD_STORE_LR
>> 1769 select CPU_MIPSR2
>> 1770 select CPU_SUPPORTS_HUGEPAGES
>> 1771 select MIPS_ASID_BITS_VARIABLE
1704 help 1772 help
1705 Loongson-3A R4 and newer have the C !! 1773 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1774 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1775
1712 config CPU_MIPS32_3_5_FEATURES 1776 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1777 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1778 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1779 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716 CPU_P5600 <<
1717 help 1780 help
1718 Choose this option to build a kerne 1781 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1782 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1783 support for Enhanced Virtual Addressing (EVA).
1721 1784
1722 config CPU_MIPS32_3_5_EVA 1785 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1786 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1787 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1788 select EVA
1726 default y 1789 default y
1727 help 1790 help
1728 Choose this option if you want to e 1791 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1792 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1793 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1794 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1795
1733 config CPU_MIPS32_R5_FEATURES 1796 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1797 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1798 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1799 depends on CPU_MIPS32_R2
1737 help 1800 help
1738 Choose this option to build a kerne 1801 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1802 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1803 support for Extended Physical Addressing (XPA).
1741 1804
1742 config CPU_MIPS32_R5_XPA 1805 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1806 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1807 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1808 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1809 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1810 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1811 select XPA
1749 select HIGHMEM 1812 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1813 select PHYS_ADDR_T_64BIT
1751 default n 1814 default n
1752 help 1815 help
1753 Choose this option if you want to e 1816 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1817 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1818 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1819 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1820 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1821 If unsure, say 'N' here.
1759 1822
1760 if CPU_LOONGSON2F 1823 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1824 config CPU_NOP_WORKAROUNDS
1762 bool 1825 bool
1763 1826
1764 config CPU_JUMP_WORKAROUNDS 1827 config CPU_JUMP_WORKAROUNDS
1765 bool 1828 bool
1766 1829
1767 config CPU_LOONGSON2F_WORKAROUNDS 1830 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1831 bool "Loongson 2F Workarounds"
1769 default y 1832 default y
1770 select CPU_NOP_WORKAROUNDS 1833 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1834 select CPU_JUMP_WORKAROUNDS
1772 help 1835 help
1773 Loongson 2F01 / 2F02 processors hav 1836 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1837 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1838 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1839 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1840
1778 Loongson 2F03 and later have fixed 1841 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1842 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1843 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1844 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1845 systems.
1783 1846
1784 If unsure, please say Y. 1847 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1848 endif # CPU_LOONGSON2F
1786 1849
1787 config SYS_SUPPORTS_ZBOOT 1850 config SYS_SUPPORTS_ZBOOT
1788 bool 1851 bool
1789 select HAVE_KERNEL_GZIP 1852 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1853 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1854 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1855 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1856 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1857 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD <<
1796 1858
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1859 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1860 bool
1799 select SYS_SUPPORTS_ZBOOT 1861 select SYS_SUPPORTS_ZBOOT
1800 1862
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1863 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1864 bool
1803 select SYS_SUPPORTS_ZBOOT 1865 select SYS_SUPPORTS_ZBOOT
1804 1866
1805 config CPU_LOONGSON2EF !! 1867 config CPU_LOONGSON2
1806 bool 1868 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1869 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1870 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1871 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1872 select CPU_SUPPORTS_HUGEPAGES
>> 1873 select ARCH_HAS_PHYS_TO_DMA
>> 1874 select CPU_HAS_LOAD_STORE_LR
1811 1875
1812 config CPU_LOONGSON32 !! 1876 config CPU_LOONGSON1
1813 bool 1877 bool
1814 select CPU_MIPS32 1878 select CPU_MIPS32
1815 select CPU_MIPSR2 1879 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1880 select CPU_HAS_PREFETCH
>> 1881 select CPU_HAS_LOAD_STORE_LR
1817 select CPU_SUPPORTS_32BIT_KERNEL 1882 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1883 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1884 select CPU_SUPPORTS_CPUFREQ
1820 1885
1821 config CPU_BMIPS32_3300 1886 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1887 select SMP_UP if SMP
1823 bool 1888 bool
1824 1889
1825 config CPU_BMIPS4350 1890 config CPU_BMIPS4350
1826 bool 1891 bool
1827 select SYS_SUPPORTS_SMP 1892 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1893 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1894
1830 config CPU_BMIPS4380 1895 config CPU_BMIPS4380
1831 bool 1896 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1897 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1898 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1899 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1900 select CPU_HAS_RIXI
1836 1901
1837 config CPU_BMIPS5000 1902 config CPU_BMIPS5000
1838 bool 1903 bool
1839 select MIPS_CPU_SCACHE 1904 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1905 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1906 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1907 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1908 select CPU_HAS_RIXI
1844 1909
1845 config SYS_HAS_CPU_LOONGSON64 !! 1910 config SYS_HAS_CPU_LOONGSON3
1846 bool 1911 bool
1847 select CPU_SUPPORTS_CPUFREQ 1912 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1913 select CPU_HAS_RIXI
1849 1914
1850 config SYS_HAS_CPU_LOONGSON2E 1915 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1916 bool
1852 1917
1853 config SYS_HAS_CPU_LOONGSON2F 1918 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1919 bool
1855 select CPU_SUPPORTS_CPUFREQ 1920 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1921 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1922 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1857 1923
1858 config SYS_HAS_CPU_LOONGSON1B 1924 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1925 bool
1860 1926
1861 config SYS_HAS_CPU_LOONGSON1C 1927 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1928 bool
1863 1929
1864 config SYS_HAS_CPU_MIPS32_R1 1930 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1931 bool
1866 1932
1867 config SYS_HAS_CPU_MIPS32_R2 1933 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1934 bool
1869 1935
1870 config SYS_HAS_CPU_MIPS32_R3_5 1936 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1937 bool
1872 1938
1873 config SYS_HAS_CPU_MIPS32_R5 1939 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1940 bool
>> 1941 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1942
1876 config SYS_HAS_CPU_MIPS32_R6 1943 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1944 bool
>> 1945 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1946
1879 config SYS_HAS_CPU_MIPS64_R1 1947 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1948 bool
1881 1949
1882 config SYS_HAS_CPU_MIPS64_R2 1950 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1951 bool
1884 1952
1885 config SYS_HAS_CPU_MIPS64_R5 <<
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 1953 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1954 bool
>> 1955 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1956
1891 config SYS_HAS_CPU_P5600 !! 1957 config SYS_HAS_CPU_R3000
1892 bool 1958 bool
1893 1959
1894 config SYS_HAS_CPU_R3000 !! 1960 config SYS_HAS_CPU_TX39XX
1895 bool 1961 bool
1896 1962
1897 config SYS_HAS_CPU_R4300 !! 1963 config SYS_HAS_CPU_VR41XX
1898 bool 1964 bool
1899 1965
1900 config SYS_HAS_CPU_R4X00 1966 config SYS_HAS_CPU_R4X00
1901 bool 1967 bool
1902 1968
1903 config SYS_HAS_CPU_TX49XX 1969 config SYS_HAS_CPU_TX49XX
1904 bool 1970 bool
1905 1971
1906 config SYS_HAS_CPU_R5000 1972 config SYS_HAS_CPU_R5000
1907 bool 1973 bool
1908 1974
1909 config SYS_HAS_CPU_R5500 1975 config SYS_HAS_CPU_R5500
1910 bool 1976 bool
1911 1977
1912 config SYS_HAS_CPU_NEVADA 1978 config SYS_HAS_CPU_NEVADA
1913 bool 1979 bool
1914 1980
1915 config SYS_HAS_CPU_R10000 1981 config SYS_HAS_CPU_R10000
1916 bool 1982 bool
>> 1983 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1984
1918 config SYS_HAS_CPU_RM7000 1985 config SYS_HAS_CPU_RM7000
1919 bool 1986 bool
1920 1987
1921 config SYS_HAS_CPU_SB1 1988 config SYS_HAS_CPU_SB1
1922 bool 1989 bool
1923 1990
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1991 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1992 bool
1926 1993
1927 config SYS_HAS_CPU_BMIPS 1994 config SYS_HAS_CPU_BMIPS
1928 bool 1995 bool
1929 1996
1930 config SYS_HAS_CPU_BMIPS32_3300 1997 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1998 bool
1932 select SYS_HAS_CPU_BMIPS 1999 select SYS_HAS_CPU_BMIPS
1933 2000
1934 config SYS_HAS_CPU_BMIPS4350 2001 config SYS_HAS_CPU_BMIPS4350
1935 bool 2002 bool
1936 select SYS_HAS_CPU_BMIPS 2003 select SYS_HAS_CPU_BMIPS
1937 2004
1938 config SYS_HAS_CPU_BMIPS4380 2005 config SYS_HAS_CPU_BMIPS4380
1939 bool 2006 bool
1940 select SYS_HAS_CPU_BMIPS 2007 select SYS_HAS_CPU_BMIPS
1941 2008
1942 config SYS_HAS_CPU_BMIPS5000 2009 config SYS_HAS_CPU_BMIPS5000
1943 bool 2010 bool
1944 select SYS_HAS_CPU_BMIPS 2011 select SYS_HAS_CPU_BMIPS
>> 2012 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2013
>> 2014 config SYS_HAS_CPU_XLR
>> 2015 bool
>> 2016
>> 2017 config SYS_HAS_CPU_XLP
>> 2018 bool
1945 2019
1946 # 2020 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2021 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2022 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2023 #
1950 config WEAK_ORDERING 2024 config WEAK_ORDERING
1951 bool 2025 bool
1952 2026
1953 # 2027 #
1954 # CPU may reorder reads and writes beyond LL/ 2028 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2029 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2030 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2031 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2032 bool
1959 endmenu 2033 endmenu
1960 2034
1961 # 2035 #
1962 # These two indicate any level of the MIPS32 2036 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2037 #
1964 config CPU_MIPS32 2038 config CPU_MIPS32
1965 bool 2039 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 2040 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 2041
1969 config CPU_MIPS64 2042 config CPU_MIPS64
1970 bool 2043 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 2044 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 2045
1974 # 2046 #
1975 # These indicate the revision of the architec 2047 # These indicate the revision of the architecture
1976 # 2048 #
1977 config CPU_MIPSR1 2049 config CPU_MIPSR1
1978 bool 2050 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2051 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2052
1981 config CPU_MIPSR2 2053 config CPU_MIPSR2
1982 bool 2054 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2055 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2056 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
1986 select MIPS_SPRAM <<
1987 <<
1988 config CPU_MIPSR5 <<
1989 bool <<
1990 default y if CPU_MIPS32_R5 || CPU_MIP <<
1991 select CPU_HAS_RIXI <<
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
1993 select MIPS_SPRAM 2057 select MIPS_SPRAM
1994 2058
1995 config CPU_MIPSR6 2059 config CPU_MIPSR6
1996 bool 2060 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2061 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2062 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
2000 select HAVE_ARCH_BITREVERSE 2063 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2064 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2065 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2066 select MIPS_SPRAM
2004 2067
2005 config TARGET_ISA_REV 2068 config TARGET_ISA_REV
2006 int 2069 int
2007 default 1 if CPU_MIPSR1 2070 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2071 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 <<
2010 default 6 if CPU_MIPSR6 2072 default 6 if CPU_MIPSR6
2011 default 0 2073 default 0
2012 help 2074 help
2013 Reflects the ISA revision being tar 2075 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2076 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2077
2016 config EVA 2078 config EVA
2017 bool 2079 bool
2018 2080
2019 config XPA 2081 config XPA
2020 bool 2082 bool
2021 2083
2022 config SYS_SUPPORTS_32BIT_KERNEL 2084 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2085 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2086 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2087 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2088 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2089 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2090 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2091 bool
2030 config CPU_SUPPORTS_CPUFREQ 2092 config CPU_SUPPORTS_CPUFREQ
2031 bool 2093 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2094 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2095 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2096 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2097 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2098 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ !! 2099 config CPU_SUPPORTS_UNCACHED_ACCELERATED
2038 bool 2100 bool
2039 config MIPS_PGD_C0_CONTEXT 2101 config MIPS_PGD_C0_CONTEXT
2040 bool 2102 bool
2041 depends on 64BIT !! 2103 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2104
2044 # 2105 #
2045 # Set to y for ptrace access to watch registe 2106 # Set to y for ptrace access to watch registers.
2046 # 2107 #
2047 config HARDWARE_WATCHPOINTS 2108 config HARDWARE_WATCHPOINTS
2048 bool 2109 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2110 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2111
2051 menu "Kernel type" 2112 menu "Kernel type"
2052 2113
2053 choice 2114 choice
2054 prompt "Kernel code model" 2115 prompt "Kernel code model"
2055 help 2116 help
2056 You should only select this option 2117 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2118 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2119 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2120 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2121
2061 config 32BIT 2122 config 32BIT
2062 bool "32-bit kernel" 2123 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2124 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2125 select TRAD_SIGNALS
2065 help 2126 help
2066 Select this option if you want to b 2127 Select this option if you want to build a 32-bit kernel.
2067 2128
2068 config 64BIT 2129 config 64BIT
2069 bool "64-bit kernel" 2130 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2131 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2132 help
2072 Select this option if you want to b 2133 Select this option if you want to build a 64-bit kernel.
2073 2134
2074 endchoice 2135 endchoice
2075 2136
>> 2137 config KVM_GUEST
>> 2138 bool "KVM Guest Kernel"
>> 2139 depends on BROKEN_ON_SMP
>> 2140 help
>> 2141 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2142 mode.
>> 2143
>> 2144 config KVM_GUEST_TIMER_FREQ
>> 2145 int "Count/Compare Timer Frequency (MHz)"
>> 2146 depends on KVM_GUEST
>> 2147 default 100
>> 2148 help
>> 2149 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2150 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2151 timer frequency is specified directly.
>> 2152
2076 config MIPS_VA_BITS_48 2153 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2154 bool "48 bits virtual memory"
2078 depends on 64BIT 2155 depends on 64BIT
2079 help 2156 help
2080 Support a maximum at least 48 bits 2157 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2158 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2159 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2160 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2161 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2162 overhead as well as slower TLB fault handling.
2086 2163
2087 If unsure, say N. 2164 If unsure, say N.
2088 2165
2089 config ZBOOT_LOAD_ADDRESS !! 2166 choice
2090 hex "Compressed kernel load address" !! 2167 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2168 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2169
2097 This is only used if non-zero. !! 2170 config PAGE_SIZE_4KB
>> 2171 bool "4kB"
>> 2172 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2173 help
>> 2174 This option select the standard 4kB Linux page size. On some
>> 2175 R3000-family processors this is the only available page size. Using
>> 2176 4kB page size will minimize memory consumption and is therefore
>> 2177 recommended for low memory systems.
>> 2178
>> 2179 config PAGE_SIZE_8KB
>> 2180 bool "8kB"
>> 2181 depends on CPU_CAVIUM_OCTEON
>> 2182 depends on !MIPS_VA_BITS_48
>> 2183 help
>> 2184 Using 8kB page size will result in higher performance kernel at
>> 2185 the price of higher memory consumption. This option is available
>> 2186 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2187 distribution to support this.
>> 2188
>> 2189 config PAGE_SIZE_16KB
>> 2190 bool "16kB"
>> 2191 depends on !CPU_R3000 && !CPU_TX39XX
>> 2192 help
>> 2193 Using 16kB page size will result in higher performance kernel at
>> 2194 the price of higher memory consumption. This option is available on
>> 2195 all non-R3000 family processors. Note that you will need a suitable
>> 2196 Linux distribution to support this.
>> 2197
>> 2198 config PAGE_SIZE_32KB
>> 2199 bool "32kB"
>> 2200 depends on CPU_CAVIUM_OCTEON
>> 2201 depends on !MIPS_VA_BITS_48
>> 2202 help
>> 2203 Using 32kB page size will result in higher performance kernel at
>> 2204 the price of higher memory consumption. This option is available
>> 2205 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2206 distribution to support this.
>> 2207
>> 2208 config PAGE_SIZE_64KB
>> 2209 bool "64kB"
>> 2210 depends on !CPU_R3000 && !CPU_TX39XX
>> 2211 help
>> 2212 Using 64kB page size will result in higher performance kernel at
>> 2213 the price of higher memory consumption. This option is available on
>> 2214 all non-R3000 family processor. Not that at the time of this
>> 2215 writing this option is still high experimental.
2098 2216
2099 config ARCH_FORCE_MAX_ORDER !! 2217 endchoice
>> 2218
>> 2219 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2220 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2221 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2222 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2223 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2224 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2225 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2226 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2227 range 11 64
>> 2228 default "11"
2105 help 2229 help
2106 The kernel memory allocator divides 2230 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2231 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2232 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2233 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2234 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2235 increase this value.
2112 2236
>> 2237 This config option is actually maximum order plus one. For example,
>> 2238 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2239
2113 The page size is not necessarily 4K 2240 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2241 when choosing a value for this option.
2115 2242
2116 config BOARD_SCACHE 2243 config BOARD_SCACHE
2117 bool 2244 bool
2118 2245
2119 config IP22_CPU_SCACHE 2246 config IP22_CPU_SCACHE
2120 bool 2247 bool
2121 select BOARD_SCACHE 2248 select BOARD_SCACHE
2122 2249
2123 # 2250 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2251 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2252 #
2126 config MIPS_CPU_SCACHE 2253 config MIPS_CPU_SCACHE
2127 bool 2254 bool
2128 select BOARD_SCACHE 2255 select BOARD_SCACHE
2129 2256
2130 config R5000_CPU_SCACHE 2257 config R5000_CPU_SCACHE
2131 bool 2258 bool
2132 select BOARD_SCACHE 2259 select BOARD_SCACHE
2133 2260
2134 config RM7000_CPU_SCACHE 2261 config RM7000_CPU_SCACHE
2135 bool 2262 bool
2136 select BOARD_SCACHE 2263 select BOARD_SCACHE
2137 2264
2138 config SIBYTE_DMA_PAGEOPS 2265 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2266 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2267 depends on CPU_SB1
2141 help 2268 help
2142 Instead of using the CPU to zero an 2269 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2270 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2271 SiByte Linux port. Seems to give a small performance benefit.
2145 2272
2146 config CPU_HAS_PREFETCH 2273 config CPU_HAS_PREFETCH
2147 bool 2274 bool
2148 2275
2149 config CPU_GENERIC_DUMP_TLB 2276 config CPU_GENERIC_DUMP_TLB
2150 bool 2277 bool
2151 default y if !CPU_R3000 !! 2278 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2279
2153 config MIPS_FP_SUPPORT 2280 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2281 bool "Floating Point support" if EXPERT
2155 default y 2282 default y
2156 help 2283 help
2157 Select y to include support for flo 2284 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2285 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2286 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2287 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2288 receive a SIGILL.
2162 2289
2163 If you know that your userland will 2290 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2291 instructions then you can say n here to shrink the kernel a little.
2165 2292
2166 If unsure, say y. 2293 If unsure, say y.
2167 2294
2168 config CPU_R2300_FPU 2295 config CPU_R2300_FPU
2169 bool 2296 bool
2170 depends on MIPS_FP_SUPPORT 2297 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2298 default y if CPU_R3000 || CPU_TX39XX
2172 2299
2173 config CPU_R3K_TLB 2300 config CPU_R3K_TLB
2174 bool 2301 bool
2175 2302
2176 config CPU_R4K_FPU 2303 config CPU_R4K_FPU
2177 bool 2304 bool
2178 depends on MIPS_FP_SUPPORT 2305 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2306 default y if !CPU_R2300_FPU
2180 2307
2181 config CPU_R4K_CACHE_TLB 2308 config CPU_R4K_CACHE_TLB
2182 bool 2309 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2310 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2311
2185 config MIPS_MT_SMP 2312 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2313 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2314 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2315 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2316 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2317 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2318 select SYNC_R4K
2193 select MIPS_MT 2319 select MIPS_MT
2194 select SMP 2320 select SMP
2195 select SMP_UP 2321 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2322 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2323 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2324 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2325 help
2200 This is a kernel model which is kno 2326 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2327 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2328 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2329 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2330 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2331
2206 config MIPS_MT 2332 config MIPS_MT
2207 bool 2333 bool
2208 2334
2209 config SCHED_SMT 2335 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2336 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2337 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2338 default n
2213 help 2339 help
2214 SMT scheduler support improves the 2340 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2341 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2342 increased overhead in some places. If unsure say N here.
2217 2343
2218 config SYS_SUPPORTS_SCHED_SMT 2344 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2345 bool
2220 2346
2221 config SYS_SUPPORTS_MULTITHREADING 2347 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2348 bool
2223 2349
2224 config MIPS_MT_FPAFF 2350 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2351 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2352 default y
2227 depends on MIPS_MT_SMP 2353 depends on MIPS_MT_SMP
2228 2354
2229 config MIPSR2_TO_R6_EMULATOR 2355 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2356 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2357 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2358 depends on MIPS_FP_SUPPORT
2233 default y 2359 default y
2234 help 2360 help
2235 Choose this option if you want to r 2361 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2362 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2363 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2364 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2365 final kernel image.
2240 2366
2241 config SYS_SUPPORTS_VPE_LOADER 2367 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2368 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2369 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2370 help
2245 Indicates that the platform support 2371 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2372 physical_memsize.
2247 2373
2248 config MIPS_VPE_LOADER 2374 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2375 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2376 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2377 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2378 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2379 select MIPS_MT
2254 help 2380 help
2255 Includes a loader for loading an el 2381 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2382 onto another VPE and running it.
2257 2383
>> 2384 config MIPS_VPE_LOADER_CMP
>> 2385 bool
>> 2386 default "y"
>> 2387 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2388
2258 config MIPS_VPE_LOADER_MT 2389 config MIPS_VPE_LOADER_MT
2259 bool 2390 bool
2260 default "y" 2391 default "y"
2261 depends on MIPS_VPE_LOADER !! 2392 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2393
2263 config MIPS_VPE_LOADER_TOM 2394 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2395 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2396 depends on MIPS_VPE_LOADER
2266 default y 2397 default y
2267 help 2398 help
2268 The loader can use memory that is p 2399 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2400 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2401 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2402 program requires is less or equal to the amount physically present.
2272 2403
2273 config MIPS_VPE_APSP_API 2404 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2405 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2406 depends on MIPS_VPE_LOADER
2276 2407
>> 2408 config MIPS_VPE_APSP_API_CMP
>> 2409 bool
>> 2410 default "y"
>> 2411 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2412
2277 config MIPS_VPE_APSP_API_MT 2413 config MIPS_VPE_APSP_API_MT
2278 bool 2414 bool
2279 default "y" 2415 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2416 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2417
>> 2418 config MIPS_CMP
>> 2419 bool "MIPS CMP framework support (DEPRECATED)"
>> 2420 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2421 select SMP
>> 2422 select SYNC_R4K
>> 2423 select SYS_SUPPORTS_SMP
>> 2424 select WEAK_ORDERING
>> 2425 default n
>> 2426 help
>> 2427 Select this if you are using a bootloader which implements the "CMP
>> 2428 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2429 its ability to start secondary CPUs.
>> 2430
>> 2431 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2432 instead of this.
2281 2433
2282 config MIPS_CPS 2434 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2435 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2436 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2437 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2438 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2439 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2440 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2441 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2442 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2443 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2444 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2445 help
2296 Select this if you wish to run an S 2446 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2447 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2448 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2449 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2450 support is unavailable.
2301 2451
2302 config MIPS_CPS_PM 2452 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2453 depends on MIPS_CPS
2304 bool 2454 bool
2305 2455
2306 config MIPS_CM 2456 config MIPS_CM
2307 bool 2457 bool
2308 select MIPS_CPC 2458 select MIPS_CPC
2309 2459
2310 config MIPS_CPC 2460 config MIPS_CPC
2311 bool 2461 bool
2312 2462
2313 config SB1_PASS_2_WORKAROUNDS 2463 config SB1_PASS_2_WORKAROUNDS
2314 bool 2464 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2465 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2466 default y
2317 2467
2318 config SB1_PASS_2_1_WORKAROUNDS 2468 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2469 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2470 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2471 default y
2322 2472
2323 choice 2473 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2474 prompt "SmartMIPS or microMIPS ASE support"
2325 2475
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2476 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2477 bool "None"
2328 help 2478 help
2329 Select this if you want neither mic 2479 Select this if you want neither microMIPS nor SmartMIPS support
2330 2480
2331 config CPU_HAS_SMARTMIPS 2481 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2482 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2483 bool "SmartMIPS"
2334 help 2484 help
2335 SmartMIPS is a extension of the MIP 2485 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2486 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2487 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2488 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2489 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2490 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2491 here.
2342 2492
2343 config CPU_MICROMIPS 2493 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2494 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2495 bool "microMIPS"
2346 help 2496 help
2347 When this option is enabled the ker 2497 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2498 microMIPS ISA
2349 2499
2350 endchoice 2500 endchoice
2351 2501
2352 config CPU_HAS_MSA 2502 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2503 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2504 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2505 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2506 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2507 help
2358 MIPS SIMD Architecture (MSA) introd 2508 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2509 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2510 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2511 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2512 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2513 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2514 the size & complexity of your kernel.
2365 2515
2366 If unsure, say Y. 2516 If unsure, say Y.
2367 2517
2368 config CPU_HAS_WB 2518 config CPU_HAS_WB
2369 bool 2519 bool
2370 2520
2371 config XKS01 2521 config XKS01
2372 bool 2522 bool
2373 2523
2374 config CPU_HAS_DIEI <<
2375 depends on !CPU_DIEI_BROKEN <<
2376 bool <<
2377 <<
2378 config CPU_DIEI_BROKEN <<
2379 bool <<
2380 <<
2381 config CPU_HAS_RIXI 2524 config CPU_HAS_RIXI
2382 bool 2525 bool
2383 2526
2384 config CPU_NO_LOAD_STORE_LR !! 2527 config CPU_HAS_LOAD_STORE_LR
2385 bool 2528 bool
2386 help 2529 help
2387 CPU lacks support for unaligned loa !! 2530 CPU has support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2531 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub !! 2532 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2390 systems). <<
2391 2533
2392 # 2534 #
2393 # Vectored interrupt mode is an R2 feature 2535 # Vectored interrupt mode is an R2 feature
2394 # 2536 #
2395 config CPU_MIPSR2_IRQ_VI 2537 config CPU_MIPSR2_IRQ_VI
2396 bool 2538 bool
2397 2539
2398 # 2540 #
2399 # Extended interrupt mode is an R2 feature 2541 # Extended interrupt mode is an R2 feature
2400 # 2542 #
2401 config CPU_MIPSR2_IRQ_EI 2543 config CPU_MIPSR2_IRQ_EI
2402 bool 2544 bool
2403 2545
2404 config CPU_HAS_SYNC 2546 config CPU_HAS_SYNC
2405 bool 2547 bool
2406 depends on !CPU_R3000 2548 depends on !CPU_R3000
2407 default y 2549 default y
2408 2550
2409 # 2551 #
2410 # CPU non-features 2552 # CPU non-features
2411 # 2553 #
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 2554 config CPU_DADDI_WORKAROUNDS
2427 bool 2555 bool
2428 2556
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 2557 config CPU_R4000_WORKAROUNDS
2448 bool 2558 bool
2449 select CPU_R4400_WORKAROUNDS 2559 select CPU_R4400_WORKAROUNDS
2450 2560
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 2561 config CPU_R4400_WORKAROUNDS
2458 bool 2562 bool
2459 2563
2460 config CPU_R4X00_BUGS64 <<
2461 bool <<
2462 default y if SYS_HAS_CPU_R4X00 && 64B <<
2463 <<
2464 config MIPS_ASID_SHIFT 2564 config MIPS_ASID_SHIFT
2465 int 2565 int
2466 default 6 if CPU_R3000 !! 2566 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2567 default 0
2468 2568
2469 config MIPS_ASID_BITS 2569 config MIPS_ASID_BITS
2470 int 2570 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2571 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2572 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2573 default 8
2474 2574
2475 config MIPS_ASID_BITS_VARIABLE 2575 config MIPS_ASID_BITS_VARIABLE
2476 bool 2576 bool
2477 2577
2478 config MIPS_CRC_SUPPORT 2578 config MIPS_CRC_SUPPORT
2479 bool 2579 bool
2480 2580
2481 # R4600 erratum. Due to the lack of errata i <<
2482 # technical details aren't known. I've exper <<
2483 # interrupts during indexed I-cache flushes s <<
2484 # with the issue. <<
2485 config WAR_R4600_V1_INDEX_ICACHEOP <<
2486 bool <<
2487 <<
2488 # Pleasures of the R4600 V1.x. Cite from the <<
2489 # <<
2490 # 18. The CACHE instructions Hit_Writeback_I <<
2491 # Hit_Invalidate_D and Create_Dirty_Excl <<
2492 # executed if there is no other dcache a <<
2493 # accessed for another instruction immed <<
2494 # cache instructions are executing, it i <<
2495 # tag match outputs used by these cache <<
2496 # incorrect. These cache instructions sh <<
2497 # four instructions that are not any kin <<
2498 # instruction. <<
2499 # <<
2500 # This is not allowed: lw <<
2501 # nop <<
2502 # nop <<
2503 # nop <<
2504 # cache Hi <<
2505 # <<
2506 # This is allowed: lw <<
2507 # nop <<
2508 # nop <<
2509 # nop <<
2510 # nop <<
2511 # cache Hi <<
2512 config WAR_R4600_V1_HIT_CACHEOP <<
2513 bool <<
2514 <<
2515 # Writeback and invalidate the primary cache <<
2516 # <<
2517 # R4600 v2.0 bug: "The CACHE instructions Hit <<
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat <<
2519 # operate correctly if the internal data cach <<
2520 # CACHE instructions should be separated from <<
2521 # by a load instruction to an uncached addres <<
2522 # (Revision 2.0 device errata from IDT availa <<
2523 # in .pdf format.) <<
2524 config WAR_R4600_V2_HIT_CACHEOP <<
2525 bool <<
2526 <<
2527 # From TX49/H2 manual: "If the instruction (i <<
2528 # the line which this instruction itself exis <<
2529 # operation is not guaranteed." <<
2530 # <<
2531 # Workaround: do two phase flushing for Index <<
2532 config WAR_TX49XX_ICACHE_INDEX_INV <<
2533 bool <<
2534 <<
2535 # The RM7000 processors and the E9000 cores h <<
2536 # opposes it being called that) where invalid <<
2537 # I-cache line worth of instructions being fe <<
2538 # exceptions. <<
2539 config WAR_ICACHE_REFILLS <<
2540 bool <<
2541 <<
2542 # On the R10000 up to version 2.6 (not sure a <<
2543 # may cause ll / sc and lld / scd sequences t <<
2544 config WAR_R10000_LLSC <<
2545 bool <<
2546 <<
2547 # 34K core erratum: "Problems Executing the T <<
2548 config WAR_MIPS34K_MISSED_ITLB <<
2549 bool <<
2550 <<
2551 # 2581 #
2552 # - Highmem only makes sense for the 32-bit k 2582 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2583 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2584 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2585 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2586 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2587 # 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 2588 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2589 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2590 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2591 # know they might have memory configurations that could make use of highmem
2562 # support. 2592 # support.
2563 # 2593 #
2564 config HIGHMEM 2594 config HIGHMEM
2565 bool "High Memory Support" 2595 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2596 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2597
2569 config CPU_SUPPORTS_HIGHMEM 2598 config CPU_SUPPORTS_HIGHMEM
2570 bool 2599 bool
2571 2600
2572 config SYS_SUPPORTS_HIGHMEM 2601 config SYS_SUPPORTS_HIGHMEM
2573 bool 2602 bool
2574 2603
2575 config SYS_SUPPORTS_SMARTMIPS 2604 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2605 bool
2577 2606
2578 config SYS_SUPPORTS_MICROMIPS 2607 config SYS_SUPPORTS_MICROMIPS
2579 bool 2608 bool
2580 2609
2581 config SYS_SUPPORTS_MIPS16 2610 config SYS_SUPPORTS_MIPS16
2582 bool 2611 bool
2583 help 2612 help
2584 This option must be set if a kernel 2613 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2614 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2615 words, it makes the kernel MIPS16-tolerant.
2587 2616
2588 config CPU_SUPPORTS_MSA 2617 config CPU_SUPPORTS_MSA
2589 bool 2618 bool
2590 2619
2591 config ARCH_FLATMEM_ENABLE 2620 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2621 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF !! 2622 depends on !NUMA && !CPU_LOONGSON2
>> 2623
>> 2624 config ARCH_DISCONTIGMEM_ENABLE
>> 2625 bool
>> 2626 default y if SGI_IP27
>> 2627 help
>> 2628 Say Y to support efficient handling of discontiguous physical memory,
>> 2629 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2630 or have huge holes in the physical address space for other reasons.
>> 2631 See <file:Documentation/vm/numa.rst> for more.
2594 2632
2595 config ARCH_SPARSEMEM_ENABLE 2633 config ARCH_SPARSEMEM_ENABLE
2596 bool 2634 bool
>> 2635 select SPARSEMEM_STATIC
2597 2636
2598 config NUMA 2637 config NUMA
2599 bool "NUMA Support" 2638 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2639 depends on SYS_SUPPORTS_NUMA
2601 select SMP <<
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2640 help
2605 Say Y to compile the kernel to supp 2641 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2642 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2643 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s !! 2644 leave it disabled; on single node systems disable this option
2609 disabled. 2645 disabled.
2610 2646
2611 config SYS_SUPPORTS_NUMA 2647 config SYS_SUPPORTS_NUMA
2612 bool 2648 bool
2613 2649
2614 config RELOCATABLE 2650 config RELOCATABLE
2615 bool "Relocatable kernel" 2651 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE !! 2652 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 <<
2618 CPU_MIPS32_R5 || CPU_MIPS6 <<
2619 CPU_MIPS32_R6 || CPU_MIPS6 <<
2620 CPU_P5600 || CAVIUM_OCTEON <<
2621 CPU_LOONGSON64 <<
2622 help 2653 help
2623 This builds a kernel image that ret 2654 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2655 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2656 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2657 but are discarded at runtime
2627 2658
2628 config RELOCATION_TABLE_SIZE 2659 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2660 hex "Relocation table size"
2630 depends on RELOCATABLE 2661 depends on RELOCATABLE
2631 range 0x0 0x01000000 2662 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" 2663 default "0x00100000"
2634 help !! 2664 ---help---
2635 A table of relocation data will be 2665 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2666 and parsed at boot to fix up the relocated kernel.
2637 2667
2638 This option allows the amount of sp 2668 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2669 adjusted, although the default of 1Mb should be ok in most cases.
2640 2670
2641 The build will fail and a valid siz 2671 The build will fail and a valid size suggested if this is too small.
2642 2672
2643 If unsure, leave at the default val 2673 If unsure, leave at the default value.
2644 2674
2645 config RANDOMIZE_BASE 2675 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2676 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2677 depends on RELOCATABLE
2648 help !! 2678 ---help---
2649 Randomizes the physical and virtual 2679 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2680 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2681 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2682 of kernel internals.
2653 2683
2654 Entropy is generated using any copr 2684 Entropy is generated using any coprocessor 0 registers available.
2655 2685
2656 The kernel will be offset by up to 2686 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2687
2658 If unsure, say N. 2688 If unsure, say N.
2659 2689
2660 config RANDOMIZE_BASE_MAX_OFFSET 2690 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2691 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2692 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2693 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2694 range 0x0 0x08000000
2665 default "0x01000000" 2695 default "0x01000000"
2666 help !! 2696 ---help---
2667 When kASLR is active, this provides 2697 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2698 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2699 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2700 PHYSICAL_START and must be a power of 2.
2671 2701
2672 This is limited by the size of KSEG 2702 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2703 EVA or 64-bit. The default is 16Mb.
2674 2704
2675 config NODES_SHIFT 2705 config NODES_SHIFT
2676 int 2706 int
2677 default "6" 2707 default "6"
2678 depends on NUMA !! 2708 depends on NEED_MULTIPLE_NODES
2679 2709
2680 config HW_PERF_EVENTS 2710 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2711 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2712 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2683 default y 2713 default y
2684 help 2714 help
2685 Enable hardware performance counter 2715 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2716 disabled, perf events will use software events only.
2687 2717
2688 config DMI <<
2689 bool "Enable DMI scanning" <<
2690 depends on MACH_LOONGSON64 <<
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB <<
2692 default y <<
2693 help <<
2694 Enabled scanning of DMI to identify <<
2695 here unless you have verified that <<
2696 affected by entries in the DMI blac <<
2697 BIOS code. <<
2698 <<
2699 config SMP 2718 config SMP
2700 bool "Multi-Processing support" 2719 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2720 depends on SYS_SUPPORTS_SMP
2702 help 2721 help
2703 This enables support for systems wi 2722 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2723 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2724 than one CPU, say Y.
2706 2725
2707 If you say N here, the kernel will 2726 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2727 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2728 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2729 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2730 will run faster if you say N here.
2712 2731
2713 People using multiprocessor machine 2732 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2733 Y to "Enhanced Real Time Clock Support", below.
2715 2734
2716 See also the SMP-HOWTO available at 2735 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 2736 <http://www.tldp.org/docs.html#howto>.
2718 2737
2719 If you don't know what to do here, 2738 If you don't know what to do here, say N.
2720 2739
2721 config HOTPLUG_CPU 2740 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2741 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2742 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2743 help
2725 Say Y here to allow turning CPUs of 2744 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2745 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2746 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2747 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2748 Say N if you want to disable CPU hotplug.
2730 2749
2731 config SMP_UP 2750 config SMP_UP
2732 bool 2751 bool
2733 2752
>> 2753 config SYS_SUPPORTS_MIPS_CMP
>> 2754 bool
>> 2755
2734 config SYS_SUPPORTS_MIPS_CPS 2756 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2757 bool
2736 2758
2737 config SYS_SUPPORTS_SMP 2759 config SYS_SUPPORTS_SMP
2738 bool 2760 bool
2739 2761
2740 config NR_CPUS_DEFAULT_4 2762 config NR_CPUS_DEFAULT_4
2741 bool 2763 bool
2742 2764
2743 config NR_CPUS_DEFAULT_8 2765 config NR_CPUS_DEFAULT_8
2744 bool 2766 bool
2745 2767
2746 config NR_CPUS_DEFAULT_16 2768 config NR_CPUS_DEFAULT_16
2747 bool 2769 bool
2748 2770
2749 config NR_CPUS_DEFAULT_32 2771 config NR_CPUS_DEFAULT_32
2750 bool 2772 bool
2751 2773
2752 config NR_CPUS_DEFAULT_64 2774 config NR_CPUS_DEFAULT_64
2753 bool 2775 bool
2754 2776
2755 config NR_CPUS 2777 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2778 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2779 range 2 256
2758 depends on SMP 2780 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2781 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2782 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2783 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2784 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2785 default "64" if NR_CPUS_DEFAULT_64
2764 help 2786 help
2765 This allows you to specify the maxi 2787 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2788 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2789 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2790 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2791 and 2 for all others.
2770 2792
2771 This is purely to save memory - eac 2793 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2794 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2795 performance should round up your number of processors to the next
2774 power of two. 2796 power of two.
2775 2797
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2798 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2799 bool
2778 2800
2779 config MIPS_NR_CPU_NR_MAP_1024 2801 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2802 bool
2781 2803
2782 config MIPS_NR_CPU_NR_MAP 2804 config MIPS_NR_CPU_NR_MAP
2783 int 2805 int
2784 depends on SMP 2806 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2807 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2808 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2809
2788 # 2810 #
2789 # Timer Interrupt Frequency Configuration 2811 # Timer Interrupt Frequency Configuration
2790 # 2812 #
2791 2813
2792 choice 2814 choice
2793 prompt "Timer frequency" 2815 prompt "Timer frequency"
2794 default HZ_250 2816 default HZ_250
2795 help 2817 help
2796 Allows the configuration of the tim 2818 Allows the configuration of the timer frequency.
2797 2819
2798 config HZ_24 2820 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2821 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2822
2801 config HZ_48 2823 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2824 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2825
2804 config HZ_100 2826 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2827 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2828
2807 config HZ_128 2829 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2830 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2831
2810 config HZ_250 2832 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2833 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2834
2813 config HZ_256 2835 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2836 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2837
2816 config HZ_1000 2838 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2839 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2840
2819 config HZ_1024 2841 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2842 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2843
2822 endchoice 2844 endchoice
2823 2845
2824 config SYS_SUPPORTS_24HZ 2846 config SYS_SUPPORTS_24HZ
2825 bool 2847 bool
2826 2848
2827 config SYS_SUPPORTS_48HZ 2849 config SYS_SUPPORTS_48HZ
2828 bool 2850 bool
2829 2851
2830 config SYS_SUPPORTS_100HZ 2852 config SYS_SUPPORTS_100HZ
2831 bool 2853 bool
2832 2854
2833 config SYS_SUPPORTS_128HZ 2855 config SYS_SUPPORTS_128HZ
2834 bool 2856 bool
2835 2857
2836 config SYS_SUPPORTS_250HZ 2858 config SYS_SUPPORTS_250HZ
2837 bool 2859 bool
2838 2860
2839 config SYS_SUPPORTS_256HZ 2861 config SYS_SUPPORTS_256HZ
2840 bool 2862 bool
2841 2863
2842 config SYS_SUPPORTS_1000HZ 2864 config SYS_SUPPORTS_1000HZ
2843 bool 2865 bool
2844 2866
2845 config SYS_SUPPORTS_1024HZ 2867 config SYS_SUPPORTS_1024HZ
2846 bool 2868 bool
2847 2869
2848 config SYS_SUPPORTS_ARBIT_HZ 2870 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2871 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2872 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2873 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2874 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2875 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2876 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2877 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2878 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2879 !SYS_SUPPORTS_1024HZ
2858 2880
2859 config HZ 2881 config HZ
2860 int 2882 int
2861 default 24 if HZ_24 2883 default 24 if HZ_24
2862 default 48 if HZ_48 2884 default 48 if HZ_48
2863 default 100 if HZ_100 2885 default 100 if HZ_100
2864 default 128 if HZ_128 2886 default 128 if HZ_128
2865 default 250 if HZ_250 2887 default 250 if HZ_250
2866 default 256 if HZ_256 2888 default 256 if HZ_256
2867 default 1000 if HZ_1000 2889 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2890 default 1024 if HZ_1024
2869 2891
2870 config SCHED_HRTICK 2892 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2893 def_bool HIGH_RES_TIMERS
2872 2894
2873 config ARCH_SUPPORTS_KEXEC !! 2895 config KEXEC
2874 def_bool y !! 2896 bool "Kexec system call"
2875 !! 2897 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2898 help
2877 def_bool y !! 2899 kexec is a system call that implements the ability to shutdown your
>> 2900 current kernel, and to start another kernel. It is like a reboot
>> 2901 but it is independent of the system firmware. And like a reboot
>> 2902 you can start any kernel with it, not just Linux.
>> 2903
>> 2904 The name comes from the similarity to the exec system call.
>> 2905
>> 2906 It is an ongoing process to be certain the hardware in a machine
>> 2907 is properly shutdown, so do not be surprised if this code does not
>> 2908 initially work for you. As of this writing the exact hardware
>> 2909 interface is strongly in flux, so no good recommendation can be
>> 2910 made.
>> 2911
>> 2912 config CRASH_DUMP
>> 2913 bool "Kernel crash dumps"
>> 2914 help
>> 2915 Generate crash dump after being started by kexec.
>> 2916 This should be normally only set in special crash dump kernels
>> 2917 which are loaded in the main kernel with kexec-tools into
>> 2918 a specially reserved region and then later executed after
>> 2919 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2920 to a memory address not used by the main kernel or firmware using
>> 2921 PHYSICAL_START.
2878 2922
2879 config PHYSICAL_START 2923 config PHYSICAL_START
2880 hex "Physical address where the kerne 2924 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2925 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2926 depends on CRASH_DUMP
2883 help 2927 help
2884 This gives the CKSEG0 or KSEG0 addr 2928 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2929 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2930 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2931 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2932 passed to the panic-ed kernel).
2889 2933
>> 2934 config SECCOMP
>> 2935 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2936 depends on PROC_FS
>> 2937 default y
>> 2938 help
>> 2939 This kernel feature is useful for number crunching applications
>> 2940 that may need to compute untrusted bytecode during their
>> 2941 execution. By using pipes or other transports made available to
>> 2942 the process as file descriptors supporting the read/write
>> 2943 syscalls, it's possible to isolate those applications in
>> 2944 their own address space using seccomp. Once seccomp is
>> 2945 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2946 and the task is only allowed to execute a few safe syscalls
>> 2947 defined by each seccomp mode.
>> 2948
>> 2949 If unsure, say Y. Only embedded should say N here.
>> 2950
2890 config MIPS_O32_FP64_SUPPORT 2951 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2952 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2953 depends on 32BIT || MIPS32_O32
2893 help 2954 help
2894 When this is enabled, the kernel wi 2955 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2956 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2957 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2958 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2959 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2960 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2961 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2962 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2963 saying N here.
2903 2964
2904 Although binutils currently support 2965 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2966 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 2967 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 2968 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2969 be considered experimental and only enabled by those working upon
2909 said details. 2970 said details.
2910 2971
2911 If unsure, say N. 2972 If unsure, say N.
2912 2973
2913 config USE_OF 2974 config USE_OF
2914 bool 2975 bool
2915 select OF 2976 select OF
2916 select OF_EARLY_FLATTREE 2977 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2978 select IRQ_DOMAIN
2918 2979
2919 config UHI_BOOT 2980 config UHI_BOOT
2920 bool 2981 bool
2921 2982
2922 config BUILTIN_DTB 2983 config BUILTIN_DTB
2923 bool 2984 bool
2924 2985
2925 choice 2986 choice
2926 prompt "Kernel appended dtb support" !! 2987 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2988 default MIPS_NO_APPENDED_DTB
2929 2989
2930 config MIPS_NO_APPENDED_DTB 2990 config MIPS_NO_APPENDED_DTB
2931 bool "None" 2991 bool "None"
2932 help 2992 help
2933 Do not enable appended dtb 2993 Do not enable appended dtb support.
2934 2994
2935 config MIPS_ELF_APPENDED_DTB 2995 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 2996 bool "vmlinux"
2937 help 2997 help
2938 With this option, the boot 2998 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 2999 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3000 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3001 objcopy:
2942 3002
2943 objcopy --update-section 3003 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3004
2945 This is meant as a backward !! 3005 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 3006 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3007 the documented boot protocol using a device tree.
2948 3008
2949 config MIPS_RAW_APPENDED_DTB 3009 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3010 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3011 help
2952 With this option, the boot 3012 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3013 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3014 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3015
2956 This is meant as a backward 3016 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3017 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3018 the documented boot protocol using a device tree.
2959 3019
2960 Beware that there is very l 3020 Beware that there is very little in terms of protection against
2961 this option being confused 3021 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3022 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3023 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3024 if you don't intend to always append a DTB.
2965 endchoice 3025 endchoice
2966 3026
2967 choice 3027 choice
2968 prompt "Kernel command line type" !! 3028 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3029 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC !! 3030 !MIPS_MALTA && \
2972 !CAV 3031 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3032 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3033
2975 config MIPS_CMDLINE_FROM_DTB 3034 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3035 depends on USE_OF
2977 bool "Dtb kernel arguments if 3036 bool "Dtb kernel arguments if available"
2978 3037
2979 config MIPS_CMDLINE_DTB_EXTEND 3038 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3039 depends on USE_OF
2981 bool "Extend dtb kernel argum 3040 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3041
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3042 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3043 bool "Bootloader kernel arguments if available"
2985 3044
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3045 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3046 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3047 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3048 endchoice
2990 3049
2991 endmenu 3050 endmenu
2992 3051
2993 config LOCKDEP_SUPPORT 3052 config LOCKDEP_SUPPORT
2994 bool 3053 bool
2995 default y 3054 default y
2996 3055
2997 config STACKTRACE_SUPPORT 3056 config STACKTRACE_SUPPORT
2998 bool 3057 bool
2999 default y 3058 default y
3000 3059
3001 config PGTABLE_LEVELS 3060 config PGTABLE_LEVELS
3002 int 3061 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3062 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3063 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3064 default 2
3006 3065
3007 config MIPS_AUTO_PFN_OFFSET 3066 config MIPS_AUTO_PFN_OFFSET
3008 bool 3067 bool
3009 3068
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3069 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3070
3012 config PCI_DRIVERS_GENERIC 3071 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3072 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3073 bool
3015 3074
3016 config PCI_DRIVERS_LEGACY 3075 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3076 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3077 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3078 select PCI_DOMAINS if PCI
3020 3079
3021 # 3080 #
3022 # ISA support is now enabled via select. Too 3081 # 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 3082 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3083 # users to choose the right thing ...
3025 # 3084 #
3026 config ISA 3085 config ISA
3027 bool 3086 bool
3028 3087
3029 config TC 3088 config TC
3030 bool "TURBOchannel support" 3089 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3090 depends on MACH_DECSTATION
3032 help 3091 help
3033 TURBOchannel is a DEC (now Compaq ( 3092 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3093 processors. TURBOchannel programming specifications are available
3035 at: 3094 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3095 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3096 and:
3038 <http://www.computer-refuge.org/cla 3097 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3098 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3099 <http://www.linux-mips.org/wiki/DECstation>
3041 3100
3042 config MMU 3101 config MMU
3043 bool 3102 bool
3044 default y 3103 default y
3045 3104
3046 config ARCH_MMAP_RND_BITS_MIN 3105 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3106 default 12 if 64BIT
3048 default 8 3107 default 8
3049 3108
3050 config ARCH_MMAP_RND_BITS_MAX 3109 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3110 default 18 if 64BIT
3052 default 15 3111 default 15
3053 3112
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3113 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3114 default 8
3056 3115
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3116 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3117 default 15
3059 3118
3060 config I8253 3119 config I8253
3061 bool 3120 bool
3062 select CLKSRC_I8253 3121 select CLKSRC_I8253
3063 select CLKEVT_I8253 3122 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3123 select MIPS_EXTERNAL_TIMER
>> 3124
>> 3125 config ZONE_DMA
>> 3126 bool
>> 3127
>> 3128 config ZONE_DMA32
>> 3129 bool
>> 3130
3065 endmenu 3131 endmenu
3066 3132
3067 config TRAD_SIGNALS 3133 config TRAD_SIGNALS
3068 bool 3134 bool
3069 3135
3070 config MIPS32_COMPAT 3136 config MIPS32_COMPAT
3071 bool 3137 bool
3072 3138
3073 config COMPAT 3139 config COMPAT
3074 bool 3140 bool
3075 3141
>> 3142 config SYSVIPC_COMPAT
>> 3143 bool
>> 3144
3076 config MIPS32_O32 3145 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3146 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3147 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3148 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3149 select COMPAT
3081 select MIPS32_COMPAT 3150 select MIPS32_COMPAT
>> 3151 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3152 help
3083 Select this option if you want to r 3153 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3154 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3155 existing binaries are in this format.
3086 3156
3087 If unsure, say Y. 3157 If unsure, say Y.
3088 3158
3089 config MIPS32_N32 3159 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3160 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3161 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3162 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3163 select COMPAT
3094 select MIPS32_COMPAT 3164 select MIPS32_COMPAT
>> 3165 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3166 help
3096 Select this option if you want to r 3167 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3168 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3169 data that would normally be 64-bit. They are used in special
3099 cases. 3170 cases.
3100 3171
3101 If unsure, say N. 3172 If unsure, say N.
3102 3173
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3174 config BINFMT_ELF32
3104 def_bool y !! 3175 bool
3105 depends on $(cc-option,-mno-branch-li !! 3176 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3177 select ELFCORE
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 3178
3111 menu "Power management options" 3179 menu "Power management options"
3112 3180
3113 config ARCH_HIBERNATION_POSSIBLE 3181 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3182 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3183 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3184
3117 config ARCH_SUSPEND_POSSIBLE 3185 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3186 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3187 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3188
3121 source "kernel/power/Kconfig" 3189 source "kernel/power/Kconfig"
3122 3190
3123 endmenu 3191 endmenu
3124 3192
3125 config MIPS_EXTERNAL_TIMER 3193 config MIPS_EXTERNAL_TIMER
3126 bool 3194 bool
3127 3195
3128 menu "CPU Power Management" 3196 menu "CPU Power Management"
3129 3197
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3198 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3199 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3200 endif
3133 3201
3134 source "drivers/cpuidle/Kconfig" 3202 source "drivers/cpuidle/Kconfig"
3135 3203
3136 endmenu 3204 endmenu
3137 3205
3138 source "arch/mips/kvm/Kconfig" !! 3206 source "drivers/firmware/Kconfig"
3139 3207
3140 source "arch/mips/vdso/Kconfig" !! 3208 source "arch/mips/kvm/Kconfig"
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