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_ELF_RANDOMIZE
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_ <<
29 select ARCH_WANT_IPC_PARSE_VERSION 16 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN !! 17 select BUILDTIME_EXTABLE_SORT
31 select BUILDTIME_TABLE_SORT <<
32 select CLONE_BACKWARDS 18 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 19 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 20 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 21 select GENERIC_ATOMIC64 if !64BIT
>> 22 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE 23 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 24 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY <<
39 select GENERIC_IOMAP 25 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 26 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 27 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 28 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 29 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 30 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 31 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 32 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 33 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 34 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 35 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 36 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 37 select HANDLE_DOMAIN_IRQ
53 select HAS_IOPORT if !NO_IOPORT_MAP || <<
54 select HAVE_ARCH_COMPILER_H 38 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 39 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !! 40 select HAVE_ARCH_KGDB
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 41 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 42 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 43 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 44 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE !! 45 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
62 select HAVE_ASM_MODVERSIONS !! 46 select HAVE_EBPF_JIT if (!CPU_MICROMIPS)
63 select HAVE_CONTEXT_TRACKING_USER !! 47 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ !! 48 select HAVE_COPY_THREAD_TLS
65 select HAVE_C_RECORDMCOUNT 49 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 50 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 51 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 52 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 53 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS <<
71 select HAVE_EXIT_THREAD 54 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST <<
73 select HAVE_FTRACE_MCOUNT_RECORD 55 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 56 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 57 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS !! 58 select HAVE_IDE
77 select HAVE_GENERIC_VDSO <<
78 select HAVE_IOREMAP_PROT 59 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 60 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 61 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 62 select HAVE_KPROBES
82 select HAVE_KRETPROBES 63 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 64 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
>> 65 select HAVE_MEMBLOCK_NODE_MAP
84 select HAVE_MOD_ARCH_SPECIFIC 66 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 67 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 68 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 69 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS <<
91 select HAVE_PERF_USER_STACK_DUMP <<
92 select HAVE_REGS_AND_STACK_ACCESS_API 70 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 71 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR <<
95 select HAVE_STACKPROTECTOR 72 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 73 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 74 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 75 select IRQ_FORCED_THREADING
99 select ISA if EISA 76 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 77 select MODULES_USE_ELF_RELA if MODULES && 64BIT
>> 78 select MODULES_USE_ELF_REL if MODULES
103 select PERF_USE_VMALLOC 79 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
105 select RTC_LIB 80 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 81 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 82 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT <<
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 83
136 menu "Machine selection" 84 menu "Machine selection"
137 85
138 choice 86 choice
139 prompt "System type" 87 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 88 default MIPS_GENERIC
141 89
142 config MIPS_GENERIC_KERNEL !! 90 config MIPS_GENERIC
143 bool "Generic board-agnostic MIPS kern 91 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC <<
145 select BOOT_RAW 92 select BOOT_RAW
146 select BUILTIN_DTB 93 select BUILTIN_DTB
147 select CEVT_R4K 94 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 95 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 96 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI <<
151 select CPU_MIPSR2_IRQ_VI 97 select CPU_MIPSR2_IRQ_VI
>> 98 select CPU_MIPSR2_IRQ_EI
152 select CSRC_R4K 99 select CSRC_R4K
153 select DMA_NONCOHERENT !! 100 select DMA_PERDEV_COHERENT
154 select HAVE_PCI 101 select HAVE_PCI
155 select IRQ_MIPS_CPU 102 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE !! 103 select LIBFDT
157 select MIPS_AUTO_PFN_OFFSET 104 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 105 select MIPS_CPU_SCACHE
159 select MIPS_GIC 106 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 107 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 108 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 109 select PCI_DRIVERS_GENERIC
>> 110 select PINCTRL
163 select SMP_UP if SMP 111 select SMP_UP if SMP
164 select SWAP_IO_SPACE 112 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 113 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 114 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 115 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 116 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 117 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 118 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 119 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 120 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 121 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 122 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 123 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 124 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 <<
180 select SYS_SUPPORTS_MIPS_CPS 125 select SYS_SUPPORTS_MIPS_CPS
>> 126 select SYS_SUPPORTS_MIPS16
181 select SYS_SUPPORTS_MULTITHREADING 127 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 128 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 129 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT <<
185 select UHI_BOOT <<
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 130 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 131 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 132 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 133 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 134 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 135 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 136 select USE_OF
>> 137 select UHI_BOOT
193 help 138 help
194 Select this to build a kernel which 139 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 140 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 141 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 142 Interface) specification.
198 143
199 config MIPS_ALCHEMY 144 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 145 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 146 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 147 select CEVT_R4K
203 select CSRC_R4K 148 select CSRC_R4K
204 select IRQ_MIPS_CPU 149 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 150 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 151 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 152 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 153 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 154 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 155 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 156 select COMMON_CLK
213 157
>> 158 config AR7
>> 159 bool "Texas Instruments AR7"
>> 160 select BOOT_ELF32
>> 161 select DMA_NONCOHERENT
>> 162 select CEVT_R4K
>> 163 select CSRC_R4K
>> 164 select IRQ_MIPS_CPU
>> 165 select NO_EXCEPT_FILL
>> 166 select SWAP_IO_SPACE
>> 167 select SYS_HAS_CPU_MIPS32_R1
>> 168 select SYS_HAS_EARLY_PRINTK
>> 169 select SYS_SUPPORTS_32BIT_KERNEL
>> 170 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 171 select SYS_SUPPORTS_MIPS16
>> 172 select SYS_SUPPORTS_ZBOOT_UART16550
>> 173 select GPIOLIB
>> 174 select VLYNQ
>> 175 select HAVE_CLK
>> 176 help
>> 177 Support for the Texas Instruments AR7 System-on-a-Chip
>> 178 family: TNETD7100, 7200 and 7300.
>> 179
214 config ATH25 180 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 181 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 182 select CEVT_R4K
217 select CSRC_R4K 183 select CSRC_R4K
218 select DMA_NONCOHERENT 184 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 185 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 186 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 187 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 188 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 189 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 190 select SYS_HAS_EARLY_PRINTK
225 help 191 help
226 Support for Atheros AR231x and Ather 192 Support for Atheros AR231x and Atheros AR531x based boards
227 193
228 config ATH79 194 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 195 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 196 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 197 select BOOT_RAW
232 select CEVT_R4K 198 select CEVT_R4K
233 select CSRC_R4K 199 select CSRC_R4K
234 select DMA_NONCOHERENT 200 select DMA_NONCOHERENT
235 select GPIOLIB 201 select GPIOLIB
236 select PINCTRL 202 select PINCTRL
>> 203 select HAVE_CLK
237 select COMMON_CLK 204 select COMMON_CLK
>> 205 select CLKDEV_LOOKUP
238 select IRQ_MIPS_CPU 206 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 207 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 208 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 209 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 210 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 211 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 212 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 213 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 214 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 215 help
248 Support for the Atheros AR71XX/AR724 216 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 217
250 config BMIPS_GENERIC 218 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 219 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 220 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 221 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 222 select BOOT_RAW
255 select NO_EXCEPT_FILL 223 select NO_EXCEPT_FILL
256 select USE_OF 224 select USE_OF
257 select CEVT_R4K 225 select CEVT_R4K
258 select CSRC_R4K 226 select CSRC_R4K
259 select SYNC_R4K 227 select SYNC_R4K
260 select COMMON_CLK 228 select COMMON_CLK
261 select BCM6345_L1_IRQ 229 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 230 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 231 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 232 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 233 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 234 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 235 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 236 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 237 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 238 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 239 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 240 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 241 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 242 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 243 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 244 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 245 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 246 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 247 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 248 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 249 help
285 Build a generic DT-based kernel imag 250 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 251 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 252 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 253 must be set appropriately for your board.
289 254
290 config BCM47XX 255 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 256 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 257 select BOOT_RAW
293 select CEVT_R4K 258 select CEVT_R4K
294 select CSRC_R4K 259 select CSRC_R4K
295 select DMA_NONCOHERENT 260 select DMA_NONCOHERENT
296 select HAVE_PCI 261 select HAVE_PCI
297 select IRQ_MIPS_CPU 262 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 263 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 264 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 265 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 266 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 267 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 268 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 269 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 270 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 271 select GPIOLIB
307 select LEDS_GPIO_REGISTER 272 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 273 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 274 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 275 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 276 help
312 Support for BCM47XX based boards 277 Support for BCM47XX based boards
313 278
314 config BCM63XX 279 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 280 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 281 select BOOT_RAW
317 select CEVT_R4K 282 select CEVT_R4K
318 select CSRC_R4K 283 select CSRC_R4K
319 select SYNC_R4K 284 select SYNC_R4K
320 select DMA_NONCOHERENT 285 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 286 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 287 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 288 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 289 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 <<
326 select SYS_HAS_CPU_BMIPS4350 <<
327 select SYS_HAS_CPU_BMIPS4380 <<
328 select SWAP_IO_SPACE 290 select SWAP_IO_SPACE
329 select GPIOLIB 291 select GPIOLIB
>> 292 select HAVE_CLK
330 select MIPS_L1_CACHE_SHIFT_4 293 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK !! 294 select CLKDEV_LOOKUP
332 help 295 help
333 Support for BCM63XX based boards 296 Support for BCM63XX based boards
334 297
335 config MIPS_COBALT 298 config MIPS_COBALT
336 bool "Cobalt Server" 299 bool "Cobalt Server"
337 select CEVT_R4K 300 select CEVT_R4K
338 select CSRC_R4K 301 select CSRC_R4K
339 select CEVT_GT641XX 302 select CEVT_GT641XX
340 select DMA_NONCOHERENT 303 select DMA_NONCOHERENT
341 select FORCE_PCI 304 select FORCE_PCI
342 select I8253 305 select I8253
343 select I8259 306 select I8259
344 select IRQ_MIPS_CPU 307 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 308 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 309 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 310 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 311 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 312 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 313 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 314 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 315 select USE_GENERIC_EARLY_PRINTK_8250
353 316
354 config MACH_DECSTATION 317 config MACH_DECSTATION
355 bool "DECstations" 318 bool "DECstations"
356 select BOOT_ELF32 319 select BOOT_ELF32
357 select CEVT_DS1287 320 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 321 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 322 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 323 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 324 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 325 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 326 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 327 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 328 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 329 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 330 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 331 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 332 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 333 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 334 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 335 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 336 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 337 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 338 select MIPS_L1_CACHE_SHIFT_4
376 help 339 help
377 This enables support for DEC's MIPS 340 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 341 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 342 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 343
381 If you have one of the following DEC 344 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 345 want to choose R4xx0 for the CPU Type:
383 346
384 DECstation 5000/50 347 DECstation 5000/50
385 DECstation 5000/150 348 DECstation 5000/150
386 DECstation 5000/260 349 DECstation 5000/260
387 DECsystem 5900/260 350 DECsystem 5900/260
388 351
389 otherwise choose R3000. 352 otherwise choose R3000.
390 353
391 config MACH_JAZZ 354 config MACH_JAZZ
392 bool "Jazz family of machines" 355 bool "Jazz family of machines"
393 select ARC_MEMORY <<
394 select ARC_PROMLIB <<
395 select ARCH_MIGHT_HAVE_PC_PARPORT 356 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 357 select ARCH_MIGHT_HAVE_PC_SERIO
397 select FW_ARC 358 select FW_ARC
398 select FW_ARC32 359 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 360 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 361 select CEVT_R4K
401 select CSRC_R4K 362 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 363 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 364 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 365 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 366 select IRQ_MIPS_CPU
406 select I8253 367 select I8253
407 select I8259 368 select I8259
408 select ISA 369 select ISA
409 select SYS_HAS_CPU_R4X00 370 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 371 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 372 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 373 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 374 help
415 This a family of machines based on t 375 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 376 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 377 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 378 Olivetti M700-10 workstations.
419 379
420 config MACH_INGENIC_SOC !! 380 config MACH_INGENIC
421 bool "Ingenic SoC based machines" 381 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC !! 382 select SYS_SUPPORTS_32BIT_KERNEL
423 select MACH_INGENIC !! 383 select SYS_SUPPORTS_LITTLE_ENDIAN
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 384 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ !! 385 select DMA_NONCOHERENT
427 select MIPS_EXTERNAL_TIMER !! 386 select IRQ_MIPS_CPU
>> 387 select PINCTRL
>> 388 select GPIOLIB
>> 389 select COMMON_CLK
>> 390 select GENERIC_IRQ_CHIP
>> 391 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 392 select USE_OF
>> 393 select LIBFDT
428 394
429 config LANTIQ 395 config LANTIQ
430 bool "Lantiq based platforms" 396 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 397 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 398 select IRQ_MIPS_CPU
433 select CEVT_R4K 399 select CEVT_R4K
434 select CSRC_R4K 400 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 401 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 402 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 403 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 404 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 405 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 406 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 407 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 408 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 409 select GPIOLIB
445 select SWAP_IO_SPACE 410 select SWAP_IO_SPACE
446 select BOOT_RAW 411 select BOOT_RAW
447 select HAVE_LEGACY_CLK !! 412 select CLKDEV_LOOKUP
448 select USE_OF 413 select USE_OF
449 select PINCTRL 414 select PINCTRL
450 select PINCTRL_LANTIQ 415 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 416 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 417 select RESET_CONTROLLER
453 418
>> 419 config LASAT
>> 420 bool "LASAT Networks platforms"
>> 421 select CEVT_R4K
>> 422 select CRC32
>> 423 select CSRC_R4K
>> 424 select DMA_NONCOHERENT
>> 425 select SYS_HAS_EARLY_PRINTK
>> 426 select HAVE_PCI
>> 427 select IRQ_MIPS_CPU
>> 428 select PCI_GT64XXX_PCI0
>> 429 select MIPS_NILE4
>> 430 select R5000_CPU_SCACHE
>> 431 select SYS_HAS_CPU_R5000
>> 432 select SYS_SUPPORTS_32BIT_KERNEL
>> 433 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 434 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 435
454 config MACH_LOONGSON32 436 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin !! 437 bool "Loongson-1 family of machines"
456 select SYS_SUPPORTS_ZBOOT 438 select SYS_SUPPORTS_ZBOOT
457 help 439 help
458 This enables support for the Loongso 440 This enables support for the Loongson-1 family of machines.
459 441
460 Loongson-1 is a family of 32-bit MIP 442 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 443 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 444 Sciences (CAS).
463 445
464 config MACH_LOONGSON2EF !! 446 config MACH_LOONGSON64
465 bool "Loongson-2E/F family of machines !! 447 bool "Loongson-2/3 family of machines"
466 select SYS_SUPPORTS_ZBOOT 448 select SYS_SUPPORTS_ZBOOT
467 help 449 help
468 This enables the support of early Lo !! 450 This enables the support of Loongson-2/3 family of machines.
469 451
470 config MACH_LOONGSON64 !! 452 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
471 bool "Loongson 64-bit family of machin !! 453 family of multi-core CPUs. They are both 64-bit general-purpose
472 select ARCH_DMA_DEFAULT_COHERENT !! 454 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
473 select ARCH_SPARSEMEM_ENABLE !! 455 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
474 select ARCH_MIGHT_HAVE_PC_PARPORT !! 456 in the People's Republic of China. The chief architect is Professor
475 select ARCH_MIGHT_HAVE_PC_SERIO !! 457 Weiwu Hu.
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN !! 458
>> 459 config MACH_PISTACHIO
>> 460 bool "IMG Pistachio SoC based boards"
477 select BOOT_ELF32 461 select BOOT_ELF32
478 select BOARD_SCACHE !! 462 select BOOT_RAW
479 select CSRC_R4K <<
480 select CEVT_R4K 463 select CEVT_R4K
481 select SYNC_R4K !! 464 select CLKSRC_MIPS_GIC
482 select FORCE_PCI !! 465 select COMMON_CLK
483 select ISA !! 466 select CSRC_R4K
484 select I8259 !! 467 select DMA_NONCOHERENT
>> 468 select GPIOLIB
485 select IRQ_MIPS_CPU 469 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL !! 470 select LIBFDT
487 select NR_CPUS_DEFAULT_64 !! 471 select MFD_SYSCON
488 select USE_GENERIC_EARLY_PRINTK_8250 !! 472 select MIPS_CPU_SCACHE
489 select PCI_DRIVERS_GENERIC !! 473 select MIPS_GIC
490 select SYS_HAS_CPU_LOONGSON64 !! 474 select PINCTRL
491 select SYS_HAS_EARLY_PRINTK !! 475 select REGULATOR
492 select SYS_SUPPORTS_SMP !! 476 select SYS_HAS_CPU_MIPS32_R2
493 select SYS_SUPPORTS_HOTPLUG_CPU !! 477 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 478 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT !! 479 select SYS_SUPPORTS_MIPS_CPS
>> 480 select SYS_SUPPORTS_MULTITHREADING
499 select SYS_SUPPORTS_RELOCATABLE 481 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 !! 482 select SYS_SUPPORTS_ZBOOT
501 select COMMON_CLK !! 483 select SYS_HAS_EARLY_PRINTK
>> 484 select USE_GENERIC_EARLY_PRINTK_8250
502 select USE_OF 485 select USE_OF
503 select BUILTIN_DTB <<
504 select PCI_HOST_GENERIC <<
505 help 486 help
506 This enables the support of Loongson !! 487 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 <<
512 488
513 config MIPS_MALTA 489 config MIPS_MALTA
514 bool "MIPS Malta board" 490 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 491 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 492 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 493 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 494 select BOOT_ELF32
519 select BOOT_RAW 495 select BOOT_RAW
520 select BUILTIN_DTB 496 select BUILTIN_DTB
521 select CEVT_R4K 497 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 498 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 499 select COMMON_CLK
524 select CSRC_R4K 500 select CSRC_R4K
525 select DMA_NONCOHERENT !! 501 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 502 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 503 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 504 select HAVE_PCI
529 select I8253 505 select I8253
530 select I8259 506 select I8259
531 select IRQ_MIPS_CPU 507 select IRQ_MIPS_CPU
>> 508 select LIBFDT
532 select MIPS_BONITO64 509 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 510 select MIPS_CPU_SCACHE
534 select MIPS_GIC 511 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 512 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 513 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 514 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 515 select SMP_UP if SMP
539 select SWAP_IO_SPACE 516 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 517 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 518 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 519 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 520 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 521 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 522 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 523 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 524 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 525 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 526 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 527 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 528 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 529 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 530 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 531 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 532 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 533 select SYS_SUPPORTS_MIPS16
>> 534 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 535 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 536 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 537 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 538 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 539 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 540 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 541 select USE_OF
564 select WAR_ICACHE_REFILLS <<
565 select ZONE_DMA32 if 64BIT 542 select ZONE_DMA32 if 64BIT
566 help 543 help
567 This enables support for the MIPS Te 544 This enables support for the MIPS Technologies Malta evaluation
568 board. 545 board.
569 546
570 config MACH_PIC32 547 config MACH_PIC32
571 bool "Microchip PIC32 Family" 548 bool "Microchip PIC32 Family"
572 help 549 help
573 This enables support for the Microch 550 This enables support for the Microchip PIC32 family of platforms.
574 551
575 Microchip PIC32 is a family of gener 552 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 553 microcontrollers.
577 554
578 config EYEQ !! 555 config NEC_MARKEINS
579 bool "Mobileye EyeQ SoC" !! 556 bool "NEC EMMA2RH Mark-eins board"
580 select MACH_GENERIC_CORE !! 557 select SOC_EMMA2RH
581 select ARM_AMBA !! 558 select HAVE_PCI
582 select PHYSICAL_START_BOOL !! 559 help
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 560 This enables support for the NEC Electronics Mark-eins boards.
584 select BOOT_RAW !! 561
585 select BUILTIN_DTB !! 562 config MACH_VR41XX
>> 563 bool "NEC VR4100 series based machines"
586 select CEVT_R4K 564 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 565 select CSRC_R4K
592 select DMA_NONCOHERENT !! 566 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 567 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 568 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET !! 569
596 select MIPS_CPU_SCACHE !! 570 config NXP_STB220
597 select MIPS_GIC !! 571 bool "NXP STB220 board"
598 select MIPS_L1_CACHE_SHIFT_7 !! 572 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 573 help
618 Select this to build a kernel suppor !! 574 Support for NXP Semiconductors STB220 Development Board.
619 575
620 bool !! 576 config NXP_STB225
>> 577 bool "NXP 225 board"
>> 578 select SOC_PNX833X
>> 579 select SOC_PNX8335
>> 580 help
>> 581 Support for NXP Semiconductors STB225 Development Board.
621 582
622 config MACH_NINTENDO64 !! 583 config PMC_MSP
623 bool "Nintendo 64 console" !! 584 bool "PMC-Sierra MSP chipsets"
624 select CEVT_R4K 585 select CEVT_R4K
625 select CSRC_R4K 586 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 587 select DMA_NONCOHERENT
>> 588 select SWAP_IO_SPACE
>> 589 select NO_EXCEPT_FILL
>> 590 select BOOT_RAW
>> 591 select SYS_HAS_CPU_MIPS32_R1
>> 592 select SYS_HAS_CPU_MIPS32_R2
>> 593 select SYS_SUPPORTS_32BIT_KERNEL
>> 594 select SYS_SUPPORTS_BIG_ENDIAN
>> 595 select SYS_SUPPORTS_MIPS16
632 select IRQ_MIPS_CPU 596 select IRQ_MIPS_CPU
>> 597 select SERIAL_8250
>> 598 select SERIAL_8250_CONSOLE
>> 599 select USB_EHCI_BIG_ENDIAN_MMIO
>> 600 select USB_EHCI_BIG_ENDIAN_DESC
>> 601 help
>> 602 This adds support for the PMC-Sierra family of Multi-Service
>> 603 Processor System-On-A-Chips. These parts include a number
>> 604 of integrated peripherals, interfaces and DSPs in addition to
>> 605 a variety of MIPS cores.
633 606
634 config RALINK 607 config RALINK
635 bool "Ralink based machines" 608 bool "Ralink based machines"
636 select CEVT_R4K 609 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 610 select CSRC_R4K
639 select BOOT_RAW 611 select BOOT_RAW
640 select DMA_NONCOHERENT 612 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 613 select IRQ_MIPS_CPU
642 select USE_OF 614 select USE_OF
>> 615 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 616 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 617 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 618 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 619 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT <<
648 select SYS_HAS_EARLY_PRINTK 620 select SYS_HAS_EARLY_PRINTK
>> 621 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 622 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 623 select RESET_CONTROLLER
651 624
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 625 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 626 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY <<
675 select ARC_PROMLIB <<
676 select FW_ARC 627 select FW_ARC
677 select FW_ARC32 628 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 629 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 630 select BOOT_ELF32
680 select CEVT_R4K 631 select CEVT_R4K
681 select CSRC_R4K 632 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 633 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 634 select DMA_NONCOHERENT
684 select HAVE_EISA 635 select HAVE_EISA
685 select I8253 636 select I8253
686 select I8259 637 select I8259
687 select IP22_CPU_SCACHE 638 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 639 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 640 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 641 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 642 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 643 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 644 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 645 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 646 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 647 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 648 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 649 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK !! 650 #
>> 651 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 652 # memory during early boot on some machines.
>> 653 #
>> 654 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 655 # for a more details discussion
>> 656 #
>> 657 # select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 658 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 659 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 660 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_7 661 select MIPS_L1_CACHE_SHIFT_7
707 help 662 help
708 This are the SGI Indy, Challenge S a 663 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 664 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 665 that runs on these, say Y here.
711 666
712 config SGI_IP27 667 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 668 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 669 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE <<
716 select FW_ARC 670 select FW_ARC
717 select FW_ARC64 671 select FW_ARC64
718 select ARC_CMDLINE_ONLY <<
719 select BOOT_ELF64 672 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 673 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 674 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 675 select HAVE_PCI
724 select IRQ_MIPS_CPU 676 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 677 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 678 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 679 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 680 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 681 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 682 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 683 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 684 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 685 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 686 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA <<
737 help 687 help
738 This are the SGI Origin 200, Origin 688 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 689 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 690 here.
741 691
742 config SGI_IP28 692 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 693 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY <<
745 select ARC_PROMLIB <<
746 select FW_ARC 694 select FW_ARC
747 select FW_ARC64 695 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 696 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 697 select BOOT_ELF64
750 select CEVT_R4K 698 select CEVT_R4K
751 select CSRC_R4K 699 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 700 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 701 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 702 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 703 select IRQ_MIPS_CPU
756 select HAVE_EISA 704 select HAVE_EISA
757 select I8253 705 select I8253
758 select I8259 706 select I8259
759 select SGI_HAS_I8042 707 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 708 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 709 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 710 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 711 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 712 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 713 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 714 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK !! 715 #
>> 716 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 717 # memory during early boot on some machines.
>> 718 #
>> 719 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 720 # for a more details discussion
>> 721 #
>> 722 # select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 723 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 724 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC <<
771 select MIPS_L1_CACHE_SHIFT_7 725 select MIPS_L1_CACHE_SHIFT_7
772 help 726 help
773 This is the SGI Indigo2 with R10000 727 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 728 kernel that runs on these, say Y here.
775 729
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 730 config SGI_IP32
805 bool "SGI IP32 (O2)" 731 bool "SGI IP32 (O2)"
806 select ARC_MEMORY <<
807 select ARC_PROMLIB <<
808 select ARCH_HAS_PHYS_TO_DMA 732 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 733 select FW_ARC
810 select FW_ARC32 734 select FW_ARC32
811 select BOOT_ELF32 735 select BOOT_ELF32
812 select CEVT_R4K 736 select CEVT_R4K
813 select CSRC_R4K 737 select CSRC_R4K
814 select DMA_NONCOHERENT 738 select DMA_NONCOHERENT
815 select HAVE_PCI 739 select HAVE_PCI
816 select IRQ_MIPS_CPU 740 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 741 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 742 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 743 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 744 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 745 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 746 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 747 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 748 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 749 help
827 If you want this kernel to run on SG 750 If you want this kernel to run on SGI O2 workstation, say Y here.
828 751
>> 752 config SIBYTE_CRHINE
>> 753 bool "Sibyte BCM91120C-CRhine"
>> 754 select BOOT_ELF32
>> 755 select SIBYTE_BCM1120
>> 756 select SWAP_IO_SPACE
>> 757 select SYS_HAS_CPU_SB1
>> 758 select SYS_SUPPORTS_BIG_ENDIAN
>> 759 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 760
>> 761 config SIBYTE_CARMEL
>> 762 bool "Sibyte BCM91120x-Carmel"
>> 763 select BOOT_ELF32
>> 764 select SIBYTE_BCM1120
>> 765 select SWAP_IO_SPACE
>> 766 select SYS_HAS_CPU_SB1
>> 767 select SYS_SUPPORTS_BIG_ENDIAN
>> 768 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 769
829 config SIBYTE_CRHONE 770 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 771 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 772 select BOOT_ELF32
832 select SIBYTE_BCM1125 773 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 774 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 775 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 776 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 777 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 778 select SYS_SUPPORTS_LITTLE_ENDIAN
838 779
839 config SIBYTE_RHONE 780 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 781 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 782 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 783 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 784 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 785 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 786 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 787 select SYS_SUPPORTS_LITTLE_ENDIAN
847 788
848 config SIBYTE_SWARM 789 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 790 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 791 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 792 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 793 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 794 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 795 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 796 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 797 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 798 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 799 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 800 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 801
861 config SIBYTE_LITTLESUR 802 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 803 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 804 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 805 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 806 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 807 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 808 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 809 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 810 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 811 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 812 select ZONE_DMA32 if 64BIT
872 813
873 config SIBYTE_SENTOSA 814 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 815 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 816 select BOOT_ELF32
876 select SIBYTE_SB1250 817 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 818 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 819 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 820 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 821 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 822 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 823
883 config SIBYTE_BIGSUR 824 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 825 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 826 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 827 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 828 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 829 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 830 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 831 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 832 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 833 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 834 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 835 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 836
896 config SNI_RM 837 config SNI_RM
897 bool "SNI RM200/300/400" 838 bool "SNI RM200/300/400"
898 select ARC_MEMORY <<
899 select ARC_PROMLIB <<
900 select FW_ARC if CPU_LITTLE_ENDIAN 839 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 840 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 841 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 842 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 843 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 844 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 845 select BOOT_ELF32
907 select CEVT_R4K 846 select CEVT_R4K
908 select CSRC_R4K 847 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 848 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 849 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 850 select GENERIC_ISA_DMA
912 select HAVE_EISA 851 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 852 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 853 select HAVE_PCI
915 select IRQ_MIPS_CPU 854 select IRQ_MIPS_CPU
916 select I8253 855 select I8253
917 select I8259 856 select I8259
918 select ISA 857 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 <<
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 858 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 859 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 860 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 861 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 862 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 863 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 864 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 865 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 866 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 867 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 868 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 869 help
933 The SNI RM200/300/400 are MIPS-based 870 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 871 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 872 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 873 support this machine type.
937 874
>> 875 config MACH_TX39XX
>> 876 bool "Toshiba TX39 series based machines"
>> 877
938 config MACH_TX49XX 878 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 879 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 880
942 config MIKROTIK_RB532 881 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 882 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 883 select CEVT_R4K
945 select CSRC_R4K 884 select CSRC_R4K
946 select DMA_NONCOHERENT 885 select DMA_NONCOHERENT
947 select HAVE_PCI 886 select HAVE_PCI
948 select IRQ_MIPS_CPU 887 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 888 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 889 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 890 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 891 select SWAP_IO_SPACE
953 select BOOT_RAW 892 select BOOT_RAW
954 select GPIOLIB 893 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 894 select MIPS_L1_CACHE_SHIFT_4
956 help 895 help
957 Support the Mikrotik(tm) RouterBoard 896 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 897 based on the IDT RC32434 SoC.
959 898
960 config CAVIUM_OCTEON_SOC 899 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 900 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 901 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 902 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 903 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 904 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 905 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 906 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 907 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 908 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 909 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 910 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 911 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 912 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 913 select HAVE_PCI
975 select HAVE_PLAT_DELAY <<
976 select HAVE_PLAT_FW_INIT_CMDLINE <<
977 select HAVE_PLAT_MEMCPY <<
978 select ZONE_DMA32 914 select ZONE_DMA32
>> 915 select HOLES_IN_ZONE
979 select GPIOLIB 916 select GPIOLIB
>> 917 select LIBFDT
980 select USE_OF 918 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 919 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 920 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 921 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 922 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 923 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 924 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 925 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 926 select SYS_SUPPORTS_RELOCATABLE
990 help 927 help
991 This option supports all of the Octe 928 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 929 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 930 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 931 Some of the supported boards are:
995 EBT3000 932 EBT3000
996 EBH3000 933 EBH3000
997 EBH3100 934 EBH3100
998 Thunder 935 Thunder
999 Kodama 936 Kodama
1000 Hikari 937 Hikari
1001 Say Y here for most Octeon referenc 938 Say Y here for most Octeon reference boards.
1002 939
1003 endchoice !! 940 config NLM_XLR_BOARD
>> 941 bool "Netlogic XLR/XLS based systems"
>> 942 select BOOT_ELF32
>> 943 select NLM_COMMON
>> 944 select SYS_HAS_CPU_XLR
>> 945 select SYS_SUPPORTS_SMP
>> 946 select HAVE_PCI
>> 947 select SWAP_IO_SPACE
>> 948 select SYS_SUPPORTS_32BIT_KERNEL
>> 949 select SYS_SUPPORTS_64BIT_KERNEL
>> 950 select PHYS_ADDR_T_64BIT
>> 951 select SYS_SUPPORTS_BIG_ENDIAN
>> 952 select SYS_SUPPORTS_HIGHMEM
>> 953 select NR_CPUS_DEFAULT_32
>> 954 select CEVT_R4K
>> 955 select CSRC_R4K
>> 956 select IRQ_MIPS_CPU
>> 957 select ZONE_DMA32 if 64BIT
>> 958 select SYNC_R4K
>> 959 select SYS_HAS_EARLY_PRINTK
>> 960 select SYS_SUPPORTS_ZBOOT
>> 961 select SYS_SUPPORTS_ZBOOT_UART16550
>> 962 help
>> 963 Support for systems based on Netlogic XLR and XLS processors.
>> 964 Say Y here if you have a XLR or XLS based board.
1004 965
1005 config FIT_IMAGE_FDT_EPM5 !! 966 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 967 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 968 select BOOT_ELF32
1008 default n !! 969 select NLM_COMMON
>> 970 select SYS_HAS_CPU_XLP
>> 971 select SYS_SUPPORTS_SMP
>> 972 select HAVE_PCI
>> 973 select SYS_SUPPORTS_32BIT_KERNEL
>> 974 select SYS_SUPPORTS_64BIT_KERNEL
>> 975 select PHYS_ADDR_T_64BIT
>> 976 select GPIOLIB
>> 977 select SYS_SUPPORTS_BIG_ENDIAN
>> 978 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 979 select SYS_SUPPORTS_HIGHMEM
>> 980 select NR_CPUS_DEFAULT_32
>> 981 select CEVT_R4K
>> 982 select CSRC_R4K
>> 983 select IRQ_MIPS_CPU
>> 984 select ZONE_DMA32 if 64BIT
>> 985 select SYNC_R4K
>> 986 select SYS_HAS_EARLY_PRINTK
>> 987 select USE_OF
>> 988 select SYS_SUPPORTS_ZBOOT
>> 989 select SYS_SUPPORTS_ZBOOT_UART16550
>> 990 help
>> 991 This board is based on Netlogic XLP Processor.
>> 992 Say Y here if you have a XLP based board.
>> 993
>> 994 config MIPS_PARAVIRT
>> 995 bool "Para-Virtualized guest system"
>> 996 select CEVT_R4K
>> 997 select CSRC_R4K
>> 998 select SYS_SUPPORTS_64BIT_KERNEL
>> 999 select SYS_SUPPORTS_32BIT_KERNEL
>> 1000 select SYS_SUPPORTS_BIG_ENDIAN
>> 1001 select SYS_SUPPORTS_SMP
>> 1002 select NR_CPUS_DEFAULT_4
>> 1003 select SYS_HAS_EARLY_PRINTK
>> 1004 select SYS_HAS_CPU_MIPS32_R2
>> 1005 select SYS_HAS_CPU_MIPS64_R2
>> 1006 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1007 select HAVE_PCI
>> 1008 select SWAP_IO_SPACE
1009 help 1009 help
1010 Enable this to include the FDT for !! 1010 This option supports guest running under ????
1011 from Mobileye in the FIT kernel ima !! 1011
1012 This requires u-boot on the platfor !! 1012 endchoice
1013 1013
1014 source "arch/mips/alchemy/Kconfig" 1014 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1015 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1016 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1017 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1018 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1019 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1020 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" <<
1022 source "arch/mips/jazz/Kconfig" 1021 source "arch/mips/jazz/Kconfig"
>> 1022 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1023 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 1024 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig" 1025 source "arch/mips/pic32/Kconfig"
>> 1026 source "arch/mips/pistachio/Kconfig"
>> 1027 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1028 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1029 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1030 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1031 source "arch/mips/txx9/Kconfig"
>> 1032 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1033 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" <<
1032 source "arch/mips/loongson32/Kconfig" 1034 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1035 source "arch/mips/loongson64/Kconfig"
>> 1036 source "arch/mips/netlogic/Kconfig"
>> 1037 source "arch/mips/paravirt/Kconfig"
1034 1038
1035 endmenu 1039 endmenu
1036 1040
1037 config GENERIC_HWEIGHT 1041 config GENERIC_HWEIGHT
1038 bool 1042 bool
1039 default y 1043 default y
1040 1044
1041 config GENERIC_CALIBRATE_DELAY 1045 config GENERIC_CALIBRATE_DELAY
1042 bool 1046 bool
1043 default y 1047 default y
1044 1048
1045 config SCHED_OMIT_FRAME_POINTER 1049 config SCHED_OMIT_FRAME_POINTER
1046 bool 1050 bool
1047 default y 1051 default y
1048 1052
1049 # 1053 #
1050 # Select some configuration options automatic 1054 # Select some configuration options automatically based on user selections.
1051 # 1055 #
1052 config FW_ARC 1056 config FW_ARC
1053 bool 1057 bool
1054 1058
1055 config ARCH_MAY_HAVE_PC_FDC 1059 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1060 bool
1057 1061
1058 config BOOT_RAW 1062 config BOOT_RAW
1059 bool 1063 bool
1060 1064
1061 config CEVT_BCM1480 1065 config CEVT_BCM1480
1062 bool 1066 bool
1063 1067
1064 config CEVT_DS1287 1068 config CEVT_DS1287
1065 bool 1069 bool
1066 1070
1067 config CEVT_GT641XX 1071 config CEVT_GT641XX
1068 bool 1072 bool
1069 1073
1070 config CEVT_R4K 1074 config CEVT_R4K
1071 bool 1075 bool
1072 1076
1073 config CEVT_SB1250 1077 config CEVT_SB1250
1074 bool 1078 bool
1075 1079
1076 config CEVT_TXX9 1080 config CEVT_TXX9
1077 bool 1081 bool
1078 1082
1079 config CSRC_BCM1480 1083 config CSRC_BCM1480
1080 bool 1084 bool
1081 1085
1082 config CSRC_IOASIC 1086 config CSRC_IOASIC
1083 bool 1087 bool
1084 1088
1085 config CSRC_R4K 1089 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR <<
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1090 bool
1089 1091
1090 config CSRC_SB1250 1092 config CSRC_SB1250
1091 bool 1093 bool
1092 1094
1093 config MIPS_CLOCK_VSYSCALL 1095 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1096 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1097
1096 config GPIO_TXX9 1098 config GPIO_TXX9
1097 select GPIOLIB 1099 select GPIOLIB
1098 bool 1100 bool
1099 1101
1100 config FW_CFE 1102 config FW_CFE
1101 bool 1103 bool
1102 1104
1103 config ARCH_SUPPORTS_UPROBES 1105 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1106 bool
1105 1107
1106 config DMA_NONCOHERENT !! 1108 config DMA_MAYBE_COHERENT
>> 1109 select ARCH_HAS_DMA_COHERENCE_H
>> 1110 select DMA_NONCOHERENT
>> 1111 bool
>> 1112
>> 1113 config DMA_PERDEV_COHERENT
1107 bool 1114 bool
1108 # <<
1109 # MIPS allows mixing "slightly differ <<
1110 # Attribute bits. It is believed tha <<
1111 # KSEG1 and the implementation specif <<
1112 # by pgprot_writcombine can be mixed, <<
1113 # significant advantages. <<
1114 # <<
1115 select ARCH_HAS_SETUP_DMA_OPS 1115 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE !! 1116 select DMA_NONCOHERENT
1117 select ARCH_HAS_DMA_PREP_COHERENT !! 1117
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 1118 config DMA_NONCOHERENT
>> 1119 bool
>> 1120 select ARCH_HAS_DMA_MMAP_PGPROT
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1121 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED <<
1121 select DMA_NONCOHERENT_MMAP <<
1122 select NEED_DMA_MAP_STATE 1122 select NEED_DMA_MAP_STATE
>> 1123 select ARCH_HAS_DMA_COHERENT_TO_PFN
>> 1124 select DMA_NONCOHERENT_CACHE_SYNC
1123 1125
1124 config SYS_HAS_EARLY_PRINTK 1126 config SYS_HAS_EARLY_PRINTK
1125 bool 1127 bool
1126 1128
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1129 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1130 bool
1129 1131
1130 config MIPS_BONITO64 1132 config MIPS_BONITO64
1131 bool 1133 bool
1132 1134
1133 config MIPS_MSC 1135 config MIPS_MSC
1134 bool 1136 bool
1135 1137
>> 1138 config MIPS_NILE4
>> 1139 bool
>> 1140
1136 config SYNC_R4K 1141 config SYNC_R4K
1137 bool 1142 bool
1138 1143
>> 1144 config MIPS_MACHINE
>> 1145 def_bool n
>> 1146
1139 config NO_IOPORT_MAP 1147 config NO_IOPORT_MAP
1140 def_bool n 1148 def_bool n
1141 1149
1142 config GENERIC_CSUM 1150 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR !! 1151 bool
>> 1152 default y if !CPU_HAS_LOAD_STORE_LR
1144 1153
1145 config GENERIC_ISA_DMA 1154 config GENERIC_ISA_DMA
1146 bool 1155 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1156 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1157 select ISA_DMA_API
1149 1158
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1159 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1160 bool
1152 select GENERIC_ISA_DMA 1161 select GENERIC_ISA_DMA
1153 1162
1154 config HAVE_PLAT_DELAY !! 1163 config ISA_DMA_API
1155 bool <<
1156 <<
1157 config HAVE_PLAT_FW_INIT_CMDLINE <<
1158 bool <<
1159 <<
1160 config HAVE_PLAT_MEMCPY <<
1161 bool 1164 bool
1162 1165
1163 config ISA_DMA_API !! 1166 config HOLES_IN_ZONE
1164 bool 1167 bool
1165 1168
1166 config SYS_SUPPORTS_RELOCATABLE 1169 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1170 bool
1168 help 1171 help
1169 Selected if the platform supports r 1172 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1173 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1174 to allow access to command line and entropy sources.
1172 1175
>> 1176 config MIPS_CBPF_JIT
>> 1177 def_bool y
>> 1178 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1179
>> 1180 config MIPS_EBPF_JIT
>> 1181 def_bool y
>> 1182 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1183
>> 1184
1173 # 1185 #
1174 # Endianness selection. Sufficiently obscure 1186 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1187 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1188 # choice statement should be more obvious to the user.
1177 # 1189 #
1178 choice 1190 choice
1179 prompt "Endianness selection" 1191 prompt "Endianness selection"
1180 help 1192 help
1181 Some MIPS machines can be configure 1193 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1194 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1195 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1196 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1197 one or the other endianness.
1186 1198
1187 config CPU_BIG_ENDIAN 1199 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1200 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1201 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1202
1191 config CPU_LITTLE_ENDIAN 1203 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1204 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1205 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1206
1195 endchoice 1207 endchoice
1196 1208
1197 config EXPORT_UASM 1209 config EXPORT_UASM
1198 bool 1210 bool
1199 1211
1200 config SYS_SUPPORTS_APM_EMULATION 1212 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1213 bool
1202 1214
1203 config SYS_SUPPORTS_BIG_ENDIAN 1215 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1216 bool
1205 1217
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1218 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1219 bool
1208 1220
>> 1221 config SYS_SUPPORTS_HUGETLBFS
>> 1222 bool
>> 1223 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 1224 default y
>> 1225
1209 config MIPS_HUGE_TLB_SUPPORT 1226 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1227 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1228
>> 1229 config IRQ_CPU_RM7K
>> 1230 bool
>> 1231
>> 1232 config IRQ_MSP_SLP
>> 1233 bool
>> 1234
>> 1235 config IRQ_MSP_CIC
>> 1236 bool
>> 1237
1212 config IRQ_TXX9 1238 config IRQ_TXX9
1213 bool 1239 bool
1214 1240
1215 config IRQ_GT641XX 1241 config IRQ_GT641XX
1216 bool 1242 bool
1217 1243
1218 config PCI_GT64XXX_PCI0 1244 config PCI_GT64XXX_PCI0
1219 bool 1245 bool
1220 1246
1221 config PCI_XTALK_BRIDGE 1247 config PCI_XTALK_BRIDGE
1222 bool 1248 bool
1223 1249
1224 config NO_EXCEPT_FILL 1250 config NO_EXCEPT_FILL
1225 bool 1251 bool
1226 1252
>> 1253 config SOC_EMMA2RH
>> 1254 bool
>> 1255 select CEVT_R4K
>> 1256 select CSRC_R4K
>> 1257 select DMA_NONCOHERENT
>> 1258 select IRQ_MIPS_CPU
>> 1259 select SWAP_IO_SPACE
>> 1260 select SYS_HAS_CPU_R5500
>> 1261 select SYS_SUPPORTS_32BIT_KERNEL
>> 1262 select SYS_SUPPORTS_64BIT_KERNEL
>> 1263 select SYS_SUPPORTS_BIG_ENDIAN
>> 1264
>> 1265 config SOC_PNX833X
>> 1266 bool
>> 1267 select CEVT_R4K
>> 1268 select CSRC_R4K
>> 1269 select IRQ_MIPS_CPU
>> 1270 select DMA_NONCOHERENT
>> 1271 select SYS_HAS_CPU_MIPS32_R2
>> 1272 select SYS_SUPPORTS_32BIT_KERNEL
>> 1273 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1274 select SYS_SUPPORTS_BIG_ENDIAN
>> 1275 select SYS_SUPPORTS_MIPS16
>> 1276 select CPU_MIPSR2_IRQ_VI
>> 1277
>> 1278 config SOC_PNX8335
>> 1279 bool
>> 1280 select SOC_PNX833X
>> 1281
1227 config MIPS_SPRAM 1282 config MIPS_SPRAM
1228 bool 1283 bool
1229 1284
1230 config SWAP_IO_SPACE 1285 config SWAP_IO_SPACE
1231 bool 1286 bool
1232 1287
1233 config SGI_HAS_INDYDOG 1288 config SGI_HAS_INDYDOG
1234 bool 1289 bool
1235 1290
1236 config SGI_HAS_HAL2 1291 config SGI_HAS_HAL2
1237 bool 1292 bool
1238 1293
1239 config SGI_HAS_SEEQ 1294 config SGI_HAS_SEEQ
1240 bool 1295 bool
1241 1296
1242 config SGI_HAS_WD93 1297 config SGI_HAS_WD93
1243 bool 1298 bool
1244 1299
1245 config SGI_HAS_ZILOG 1300 config SGI_HAS_ZILOG
1246 bool 1301 bool
1247 1302
1248 config SGI_HAS_I8042 1303 config SGI_HAS_I8042
1249 bool 1304 bool
1250 1305
1251 config DEFAULT_SGI_PARTITION 1306 config DEFAULT_SGI_PARTITION
1252 bool 1307 bool
1253 1308
1254 config FW_ARC32 1309 config FW_ARC32
1255 bool 1310 bool
1256 1311
1257 config FW_SNIPROM 1312 config FW_SNIPROM
1258 bool 1313 bool
1259 1314
1260 config BOOT_ELF32 1315 config BOOT_ELF32
1261 bool 1316 bool
1262 1317
1263 config MIPS_L1_CACHE_SHIFT_4 1318 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1319 bool
1265 1320
1266 config MIPS_L1_CACHE_SHIFT_5 1321 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1322 bool
1268 1323
1269 config MIPS_L1_CACHE_SHIFT_6 1324 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1325 bool
1271 1326
1272 config MIPS_L1_CACHE_SHIFT_7 1327 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1328 bool
1274 1329
1275 config MIPS_L1_CACHE_SHIFT 1330 config MIPS_L1_CACHE_SHIFT
1276 int 1331 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1332 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1333 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1334 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1335 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1336 default "5"
1282 1337
1283 config ARC_CMDLINE_ONLY !! 1338 config HAVE_STD_PC_SERIAL_PORT
1284 bool 1339 bool
1285 1340
1286 config ARC_CONSOLE 1341 config ARC_CONSOLE
1287 bool "ARC console support" 1342 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1343 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1344
1290 config ARC_MEMORY 1345 config ARC_MEMORY
1291 bool 1346 bool
>> 1347 depends on MACH_JAZZ || SNI_RM || SGI_IP32
>> 1348 default y
1292 1349
1293 config ARC_PROMLIB 1350 config ARC_PROMLIB
1294 bool 1351 bool
>> 1352 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
>> 1353 default y
1295 1354
1296 config FW_ARC64 1355 config FW_ARC64
1297 bool 1356 bool
1298 1357
1299 config BOOT_ELF64 1358 config BOOT_ELF64
1300 bool 1359 bool
1301 1360
1302 menu "CPU selection" 1361 menu "CPU selection"
1303 1362
1304 choice 1363 choice
1305 prompt "CPU type" 1364 prompt "CPU type"
1306 default CPU_R4X00 1365 default CPU_R4X00
1307 1366
1308 config CPU_LOONGSON64 !! 1367 config CPU_LOONGSON3
1309 bool "Loongson 64-bit CPU" !! 1368 bool "Loongson 3 CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 !! 1369 depends on SYS_HAS_CPU_LOONGSON3
1311 select ARCH_HAS_PHYS_TO_DMA 1370 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 <<
1313 select CPU_HAS_PREFETCH <<
1314 select CPU_SUPPORTS_64BIT_KERNEL 1371 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1372 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1373 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA !! 1374 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 1375 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1376 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE <<
1325 select MIPS_PGD_C0_CONTEXT 1377 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1378 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1379 select GPIOLIB
1329 select SWIOTLB 1380 select SWIOTLB
1330 help 1381 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1382 The Loongson 3 processor implements the MIPS64R2 instruction
1332 cores implements the MIPS64R2 instr !! 1383 set with many extensions.
1333 including most 64-bit Loongson-2 (2 !! 1384
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1385 config LOONGSON3_ENHANCEMENT
1335 Loongson-2E/2F is not covered here !! 1386 bool "New Loongson 3 CPU Enhancements"
>> 1387 default n
>> 1388 select CPU_MIPSR2
>> 1389 select CPU_HAS_PREFETCH
>> 1390 depends on CPU_LOONGSON3
>> 1391 help
>> 1392 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1393 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1394 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1395 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1396 Fast TLB refill support, etc.
>> 1397
>> 1398 This option enable those enhancements which are not probed at run
>> 1399 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1400 please say 'N' here. If you want a high-performance kernel to run on
>> 1401 new Loongson 3 machines only, please say 'Y' here.
>> 1402
>> 1403 config CPU_LOONGSON3_WORKAROUNDS
>> 1404 bool "Old Loongson 3 LLSC Workarounds"
>> 1405 default y if SMP
>> 1406 depends on CPU_LOONGSON3
>> 1407 help
>> 1408 Loongson 3 processors have the llsc issues which require workarounds.
>> 1409 Without workarounds the system may hang unexpectedly.
>> 1410
>> 1411 Newer Loongson 3 will fix these issues and no workarounds are needed.
>> 1412 The workarounds have no significant side effect on them but may
>> 1413 decrease the performance of the system so this option should be
>> 1414 disabled unless the kernel is intended to be run on old systems.
>> 1415
>> 1416 If unsure, please say Y.
1336 1417
1337 config CPU_LOONGSON2E 1418 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1419 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1420 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF !! 1421 select CPU_LOONGSON2
1341 help 1422 help
1342 The Loongson 2E processor implement 1423 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1424 with many extensions.
1344 1425
1345 It has an internal FPGA northbridge 1426 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1427 bonito64.
1347 1428
1348 config CPU_LOONGSON2F 1429 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1430 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1431 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF !! 1432 select CPU_LOONGSON2
>> 1433 select GPIOLIB
1352 help 1434 help
1353 The Loongson 2F processor implement 1435 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1436 with many extensions.
1355 1437
1356 Loongson2F have built-in DDR2 and P 1438 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1439 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1440 Loongson2E.
1359 1441
1360 config CPU_LOONGSON1B 1442 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1443 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1444 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 !! 1445 select CPU_LOONGSON1
1364 select LEDS_GPIO_REGISTER 1446 select LEDS_GPIO_REGISTER
1365 help 1447 help
1366 The Loongson 1B is a 32-bit SoC, wh 1448 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1449 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1450 instruction set.
1369 1451
1370 config CPU_LOONGSON1C 1452 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1453 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1454 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 !! 1455 select CPU_LOONGSON1
1374 select LEDS_GPIO_REGISTER 1456 select LEDS_GPIO_REGISTER
1375 help 1457 help
1376 The Loongson 1C is a 32-bit SoC, wh 1458 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1459 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1460 instruction set.
1379 1461
1380 config CPU_MIPS32_R1 1462 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1463 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1464 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1465 select CPU_HAS_PREFETCH
>> 1466 select CPU_HAS_LOAD_STORE_LR
1384 select CPU_SUPPORTS_32BIT_KERNEL 1467 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1468 select CPU_SUPPORTS_HIGHMEM
1386 help 1469 help
1387 Choose this option to build a kerne 1470 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1471 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1472 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1473 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1474 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1475 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1476 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1477 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1478 performance.
1396 1479
1397 config CPU_MIPS32_R2 1480 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1481 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1482 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1483 select CPU_HAS_PREFETCH
>> 1484 select CPU_HAS_LOAD_STORE_LR
1401 select CPU_SUPPORTS_32BIT_KERNEL 1485 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1486 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1487 select CPU_SUPPORTS_MSA
>> 1488 select HAVE_KVM
1404 help 1489 help
1405 Choose this option to build a kerne 1490 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1491 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1492 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1493 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1494 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1495
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 1496 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1497 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1498 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1499 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR <<
1431 select CPU_SUPPORTS_32BIT_KERNEL 1500 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1501 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1502 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1503 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1504 select MIPS_O32_FP64_SUPPORT
1436 help 1505 help
1437 Choose this option to build a kerne 1506 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1507 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1508 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1509 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1510
1442 config CPU_MIPS64_R1 1511 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1512 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1513 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1514 select CPU_HAS_PREFETCH
>> 1515 select CPU_HAS_LOAD_STORE_LR
1446 select CPU_SUPPORTS_32BIT_KERNEL 1516 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1517 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1518 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1519 select CPU_SUPPORTS_HUGEPAGES
1450 help 1520 help
1451 Choose this option to build a kerne 1521 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1522 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1523 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1524 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1525 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1526 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1527 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1528 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1529 performance.
1460 1530
1461 config CPU_MIPS64_R2 1531 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1532 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1533 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1534 select CPU_HAS_PREFETCH
>> 1535 select CPU_HAS_LOAD_STORE_LR
1465 select CPU_SUPPORTS_32BIT_KERNEL 1536 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1537 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1538 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1539 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1540 select CPU_SUPPORTS_MSA
>> 1541 select HAVE_KVM
1470 help 1542 help
1471 Choose this option to build a kerne 1543 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1544 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1545 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1546 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1547 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1548
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 1549 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1550 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1551 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1552 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR <<
1499 select CPU_SUPPORTS_32BIT_KERNEL 1553 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1554 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1555 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1556 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1557 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1558 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1559 select HAVE_KVM
1506 help 1560 help
1507 Choose this option to build a kerne 1561 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1562 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1563 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1564 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1565
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 1566 config CPU_R3000
1534 bool "R3000" 1567 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1568 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1569 select CPU_HAS_WB
1537 select CPU_R3K_TLB !! 1570 select CPU_HAS_LOAD_STORE_LR
1538 select CPU_SUPPORTS_32BIT_KERNEL 1571 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1572 select CPU_SUPPORTS_HIGHMEM
1540 help 1573 help
1541 Please make sure to pick the right 1574 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1575 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1576 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1577 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1578 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1579 try to recompile with R3000.
1547 1580
>> 1581 config CPU_TX39XX
>> 1582 bool "R39XX"
>> 1583 depends on SYS_HAS_CPU_TX39XX
>> 1584 select CPU_SUPPORTS_32BIT_KERNEL
>> 1585 select CPU_HAS_LOAD_STORE_LR
>> 1586
>> 1587 config CPU_VR41XX
>> 1588 bool "R41xx"
>> 1589 depends on SYS_HAS_CPU_VR41XX
>> 1590 select CPU_SUPPORTS_32BIT_KERNEL
>> 1591 select CPU_SUPPORTS_64BIT_KERNEL
>> 1592 select CPU_HAS_LOAD_STORE_LR
>> 1593 help
>> 1594 The options selects support for the NEC VR4100 series of processors.
>> 1595 Only choose this option if you have one of these processors as a
>> 1596 kernel built with this option will not run on any other type of
>> 1597 processor or vice versa.
>> 1598
1548 config CPU_R4300 1599 config CPU_R4300
1549 bool "R4300" 1600 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1601 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1602 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1603 select CPU_SUPPORTS_64BIT_KERNEL
>> 1604 select CPU_HAS_LOAD_STORE_LR
1553 help 1605 help
1554 MIPS Technologies R4300-series proc 1606 MIPS Technologies R4300-series processors.
1555 1607
1556 config CPU_R4X00 1608 config CPU_R4X00
1557 bool "R4x00" 1609 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1610 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1611 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1612 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1613 select CPU_SUPPORTS_HUGEPAGES
>> 1614 select CPU_HAS_LOAD_STORE_LR
1562 help 1615 help
1563 MIPS Technologies R4000-series proc 1616 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1617 the R4000, R4400, R4600, and 4700.
1565 1618
1566 config CPU_TX49XX 1619 config CPU_TX49XX
1567 bool "R49XX" 1620 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1621 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1622 select CPU_HAS_PREFETCH
>> 1623 select CPU_HAS_LOAD_STORE_LR
1570 select CPU_SUPPORTS_32BIT_KERNEL 1624 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1625 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1626 select CPU_SUPPORTS_HUGEPAGES
1573 1627
1574 config CPU_R5000 1628 config CPU_R5000
1575 bool "R5000" 1629 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1630 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1631 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1632 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1633 select CPU_SUPPORTS_HUGEPAGES
>> 1634 select CPU_HAS_LOAD_STORE_LR
1580 help 1635 help
1581 MIPS Technologies R5000-series proc 1636 MIPS Technologies R5000-series processors other than the Nevada.
1582 1637
>> 1638 config CPU_R5432
>> 1639 bool "R5432"
>> 1640 depends on SYS_HAS_CPU_R5432
>> 1641 select CPU_SUPPORTS_32BIT_KERNEL
>> 1642 select CPU_SUPPORTS_64BIT_KERNEL
>> 1643 select CPU_SUPPORTS_HUGEPAGES
>> 1644 select CPU_HAS_LOAD_STORE_LR
>> 1645
1583 config CPU_R5500 1646 config CPU_R5500
1584 bool "R5500" 1647 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1648 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1649 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1650 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1651 select CPU_SUPPORTS_HUGEPAGES
>> 1652 select CPU_HAS_LOAD_STORE_LR
1589 help 1653 help
1590 NEC VR5500 and VR5500A series proce 1654 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1655 instruction set.
1592 1656
1593 config CPU_NEVADA 1657 config CPU_NEVADA
1594 bool "RM52xx" 1658 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1659 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1660 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1661 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1662 select CPU_SUPPORTS_HUGEPAGES
>> 1663 select CPU_HAS_LOAD_STORE_LR
1599 help 1664 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1665 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1666
>> 1667 config CPU_R8000
>> 1668 bool "R8000"
>> 1669 depends on SYS_HAS_CPU_R8000
>> 1670 select CPU_HAS_PREFETCH
>> 1671 select CPU_HAS_LOAD_STORE_LR
>> 1672 select CPU_SUPPORTS_64BIT_KERNEL
>> 1673 help
>> 1674 MIPS Technologies R8000 processors. Note these processors are
>> 1675 uncommon and the support for them is incomplete.
>> 1676
1602 config CPU_R10000 1677 config CPU_R10000
1603 bool "R10000" 1678 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1679 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1680 select CPU_HAS_PREFETCH
>> 1681 select CPU_HAS_LOAD_STORE_LR
1606 select CPU_SUPPORTS_32BIT_KERNEL 1682 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1683 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1684 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1685 select CPU_SUPPORTS_HUGEPAGES
1610 help 1686 help
1611 MIPS Technologies R10000-series pro 1687 MIPS Technologies R10000-series processors.
1612 1688
1613 config CPU_RM7000 1689 config CPU_RM7000
1614 bool "RM7000" 1690 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1691 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1692 select CPU_HAS_PREFETCH
>> 1693 select CPU_HAS_LOAD_STORE_LR
1617 select CPU_SUPPORTS_32BIT_KERNEL 1694 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1695 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1696 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1697 select CPU_SUPPORTS_HUGEPAGES
1621 1698
1622 config CPU_SB1 1699 config CPU_SB1
1623 bool "SB1" 1700 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1701 depends on SYS_HAS_CPU_SB1
>> 1702 select CPU_HAS_LOAD_STORE_LR
1625 select CPU_SUPPORTS_32BIT_KERNEL 1703 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1704 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1705 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1706 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1707 select WEAK_ORDERING
1630 1708
1631 config CPU_CAVIUM_OCTEON 1709 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1710 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1711 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1712 select CPU_HAS_PREFETCH
>> 1713 select CPU_HAS_LOAD_STORE_LR
1635 select CPU_SUPPORTS_64BIT_KERNEL 1714 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 1715 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1716 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1717 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1718 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1719 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1720 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1721 select HAVE_KVM
1645 help 1722 help
1646 The Cavium Octeon processor is a hi 1723 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1724 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1725 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1726 Full details can be found at http://www.caviumnetworks.com.
1650 1727
1651 config CPU_BMIPS 1728 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1729 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1730 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1731 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1732 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1733 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1734 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1735 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1736 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1737 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1738 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1739 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1740 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1741 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1742 select CPU_HAS_PREFETCH
>> 1743 select CPU_HAS_LOAD_STORE_LR
1666 select CPU_SUPPORTS_CPUFREQ 1744 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1745 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1746 help
1670 Support for BMIPS32/3300/4350/4380 1747 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1748
1672 endchoice !! 1749 config CPU_XLR
1673 !! 1750 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1751 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1752 select CPU_HAS_LOAD_STORE_LR
1676 default n !! 1753 select CPU_SUPPORTS_32BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1754 select CPU_SUPPORTS_64BIT_KERNEL
1678 help !! 1755 select CPU_SUPPORTS_HIGHMEM
1679 New Loongson-3 cores (since Loongso !! 1756 select CPU_SUPPORTS_HUGEPAGES
1680 R1, Loongson-3B R1 and Loongson-3B !! 1757 select WEAK_ORDERING
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc !! 1758 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 1759 help
1695 Loongson-3 processors have the llsc !! 1760 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 1761
1698 Say Y, unless you know what you are !! 1762 config CPU_XLP
1699 !! 1763 bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1764 depends on SYS_HAS_CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1765 select CPU_SUPPORTS_32BIT_KERNEL
1702 default y !! 1766 select CPU_SUPPORTS_64BIT_KERNEL
1703 depends on CPU_LOONGSON64 !! 1767 select CPU_SUPPORTS_HIGHMEM
>> 1768 select WEAK_ORDERING
>> 1769 select WEAK_REORDERING_BEYOND_LLSC
>> 1770 select CPU_HAS_PREFETCH
>> 1771 select CPU_HAS_LOAD_STORE_LR
>> 1772 select CPU_MIPSR2
>> 1773 select CPU_SUPPORTS_HUGEPAGES
>> 1774 select MIPS_ASID_BITS_VARIABLE
1704 help 1775 help
1705 Loongson-3A R4 and newer have the C !! 1776 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1777 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1778
1712 config CPU_MIPS32_3_5_FEATURES 1779 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1780 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1781 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1782 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716 CPU_P5600 <<
1717 help 1783 help
1718 Choose this option to build a kerne 1784 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1785 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1786 support for Enhanced Virtual Addressing (EVA).
1721 1787
1722 config CPU_MIPS32_3_5_EVA 1788 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1789 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1790 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1791 select EVA
1726 default y 1792 default y
1727 help 1793 help
1728 Choose this option if you want to e 1794 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1795 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1796 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1797 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1798
1733 config CPU_MIPS32_R5_FEATURES 1799 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1800 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1801 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1802 depends on CPU_MIPS32_R2
1737 help 1803 help
1738 Choose this option to build a kerne 1804 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1805 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1806 support for Extended Physical Addressing (XPA).
1741 1807
1742 config CPU_MIPS32_R5_XPA 1808 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1809 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1810 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1811 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1812 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1813 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1814 select XPA
1749 select HIGHMEM 1815 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1816 select PHYS_ADDR_T_64BIT
1751 default n 1817 default n
1752 help 1818 help
1753 Choose this option if you want to e 1819 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1820 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1821 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1822 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1823 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1824 If unsure, say 'N' here.
1759 1825
1760 if CPU_LOONGSON2F 1826 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1827 config CPU_NOP_WORKAROUNDS
1762 bool 1828 bool
1763 1829
1764 config CPU_JUMP_WORKAROUNDS 1830 config CPU_JUMP_WORKAROUNDS
1765 bool 1831 bool
1766 1832
1767 config CPU_LOONGSON2F_WORKAROUNDS 1833 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1834 bool "Loongson 2F Workarounds"
1769 default y 1835 default y
1770 select CPU_NOP_WORKAROUNDS 1836 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1837 select CPU_JUMP_WORKAROUNDS
1772 help 1838 help
1773 Loongson 2F01 / 2F02 processors hav 1839 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1840 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1841 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1842 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1843
1778 Loongson 2F03 and later have fixed 1844 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1845 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1846 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1847 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1848 systems.
1783 1849
1784 If unsure, please say Y. 1850 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1851 endif # CPU_LOONGSON2F
1786 1852
1787 config SYS_SUPPORTS_ZBOOT 1853 config SYS_SUPPORTS_ZBOOT
1788 bool 1854 bool
1789 select HAVE_KERNEL_GZIP 1855 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1856 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1857 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1858 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1859 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1860 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD <<
1796 1861
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1862 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1863 bool
1799 select SYS_SUPPORTS_ZBOOT 1864 select SYS_SUPPORTS_ZBOOT
1800 1865
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1866 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1867 bool
1803 select SYS_SUPPORTS_ZBOOT 1868 select SYS_SUPPORTS_ZBOOT
1804 1869
1805 config CPU_LOONGSON2EF !! 1870 config CPU_LOONGSON2
1806 bool 1871 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1872 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1873 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1874 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1875 select CPU_SUPPORTS_HUGEPAGES
>> 1876 select ARCH_HAS_PHYS_TO_DMA
>> 1877 select CPU_HAS_LOAD_STORE_LR
1811 1878
1812 config CPU_LOONGSON32 !! 1879 config CPU_LOONGSON1
1813 bool 1880 bool
1814 select CPU_MIPS32 1881 select CPU_MIPS32
1815 select CPU_MIPSR2 1882 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1883 select CPU_HAS_PREFETCH
>> 1884 select CPU_HAS_LOAD_STORE_LR
1817 select CPU_SUPPORTS_32BIT_KERNEL 1885 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1886 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1887 select CPU_SUPPORTS_CPUFREQ
1820 1888
1821 config CPU_BMIPS32_3300 1889 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1890 select SMP_UP if SMP
1823 bool 1891 bool
1824 1892
1825 config CPU_BMIPS4350 1893 config CPU_BMIPS4350
1826 bool 1894 bool
1827 select SYS_SUPPORTS_SMP 1895 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1896 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1897
1830 config CPU_BMIPS4380 1898 config CPU_BMIPS4380
1831 bool 1899 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1900 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1901 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1902 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1903 select CPU_HAS_RIXI
1836 1904
1837 config CPU_BMIPS5000 1905 config CPU_BMIPS5000
1838 bool 1906 bool
1839 select MIPS_CPU_SCACHE 1907 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1908 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1909 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1910 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1911 select CPU_HAS_RIXI
1844 1912
1845 config SYS_HAS_CPU_LOONGSON64 !! 1913 config SYS_HAS_CPU_LOONGSON3
1846 bool 1914 bool
1847 select CPU_SUPPORTS_CPUFREQ 1915 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1916 select CPU_HAS_RIXI
1849 1917
1850 config SYS_HAS_CPU_LOONGSON2E 1918 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1919 bool
1852 1920
1853 config SYS_HAS_CPU_LOONGSON2F 1921 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1922 bool
1855 select CPU_SUPPORTS_CPUFREQ 1923 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1924 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1925 select CPU_SUPPORTS_UNCACHED_ACCELERATED
1857 1926
1858 config SYS_HAS_CPU_LOONGSON1B 1927 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1928 bool
1860 1929
1861 config SYS_HAS_CPU_LOONGSON1C 1930 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1931 bool
1863 1932
1864 config SYS_HAS_CPU_MIPS32_R1 1933 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1934 bool
1866 1935
1867 config SYS_HAS_CPU_MIPS32_R2 1936 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1937 bool
1869 1938
1870 config SYS_HAS_CPU_MIPS32_R3_5 1939 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1940 bool
1872 1941
1873 config SYS_HAS_CPU_MIPS32_R5 1942 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1943 bool
>> 1944 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1945
1876 config SYS_HAS_CPU_MIPS32_R6 1946 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1947 bool
>> 1948 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1949
1879 config SYS_HAS_CPU_MIPS64_R1 1950 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1951 bool
1881 1952
1882 config SYS_HAS_CPU_MIPS64_R2 1953 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1954 bool
1884 1955
1885 config SYS_HAS_CPU_MIPS64_R5 !! 1956 config SYS_HAS_CPU_MIPS64_R6
1886 bool 1957 bool
>> 1958 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1959
1888 config SYS_HAS_CPU_MIPS64_R6 !! 1960 config SYS_HAS_CPU_R3000
1889 bool 1961 bool
1890 1962
1891 config SYS_HAS_CPU_P5600 !! 1963 config SYS_HAS_CPU_TX39XX
1892 bool 1964 bool
1893 1965
1894 config SYS_HAS_CPU_R3000 !! 1966 config SYS_HAS_CPU_VR41XX
1895 bool 1967 bool
1896 1968
1897 config SYS_HAS_CPU_R4300 1969 config SYS_HAS_CPU_R4300
1898 bool 1970 bool
1899 1971
1900 config SYS_HAS_CPU_R4X00 1972 config SYS_HAS_CPU_R4X00
1901 bool 1973 bool
1902 1974
1903 config SYS_HAS_CPU_TX49XX 1975 config SYS_HAS_CPU_TX49XX
1904 bool 1976 bool
1905 1977
1906 config SYS_HAS_CPU_R5000 1978 config SYS_HAS_CPU_R5000
1907 bool 1979 bool
1908 1980
>> 1981 config SYS_HAS_CPU_R5432
>> 1982 bool
>> 1983
1909 config SYS_HAS_CPU_R5500 1984 config SYS_HAS_CPU_R5500
1910 bool 1985 bool
1911 1986
1912 config SYS_HAS_CPU_NEVADA 1987 config SYS_HAS_CPU_NEVADA
1913 bool 1988 bool
1914 1989
>> 1990 config SYS_HAS_CPU_R8000
>> 1991 bool
>> 1992
1915 config SYS_HAS_CPU_R10000 1993 config SYS_HAS_CPU_R10000
1916 bool 1994 bool
>> 1995 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 1996
1918 config SYS_HAS_CPU_RM7000 1997 config SYS_HAS_CPU_RM7000
1919 bool 1998 bool
1920 1999
1921 config SYS_HAS_CPU_SB1 2000 config SYS_HAS_CPU_SB1
1922 bool 2001 bool
1923 2002
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2003 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2004 bool
1926 2005
1927 config SYS_HAS_CPU_BMIPS 2006 config SYS_HAS_CPU_BMIPS
1928 bool 2007 bool
1929 2008
1930 config SYS_HAS_CPU_BMIPS32_3300 2009 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2010 bool
1932 select SYS_HAS_CPU_BMIPS 2011 select SYS_HAS_CPU_BMIPS
1933 2012
1934 config SYS_HAS_CPU_BMIPS4350 2013 config SYS_HAS_CPU_BMIPS4350
1935 bool 2014 bool
1936 select SYS_HAS_CPU_BMIPS 2015 select SYS_HAS_CPU_BMIPS
1937 2016
1938 config SYS_HAS_CPU_BMIPS4380 2017 config SYS_HAS_CPU_BMIPS4380
1939 bool 2018 bool
1940 select SYS_HAS_CPU_BMIPS 2019 select SYS_HAS_CPU_BMIPS
1941 2020
1942 config SYS_HAS_CPU_BMIPS5000 2021 config SYS_HAS_CPU_BMIPS5000
1943 bool 2022 bool
1944 select SYS_HAS_CPU_BMIPS 2023 select SYS_HAS_CPU_BMIPS
>> 2024 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2025
>> 2026 config SYS_HAS_CPU_XLR
>> 2027 bool
>> 2028
>> 2029 config SYS_HAS_CPU_XLP
>> 2030 bool
1945 2031
1946 # 2032 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2033 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2034 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2035 #
1950 config WEAK_ORDERING 2036 config WEAK_ORDERING
1951 bool 2037 bool
1952 2038
1953 # 2039 #
1954 # CPU may reorder reads and writes beyond LL/ 2040 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2041 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2042 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2043 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2044 bool
1959 endmenu 2045 endmenu
1960 2046
1961 # 2047 #
1962 # These two indicate any level of the MIPS32 2048 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2049 #
1964 config CPU_MIPS32 2050 config CPU_MIPS32
1965 bool 2051 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 2052 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 2053
1969 config CPU_MIPS64 2054 config CPU_MIPS64
1970 bool 2055 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 2056 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 2057
1974 # 2058 #
1975 # These indicate the revision of the architec 2059 # These indicate the revision of the architecture
1976 # 2060 #
1977 config CPU_MIPSR1 2061 config CPU_MIPSR1
1978 bool 2062 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2063 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2064
1981 config CPU_MIPSR2 2065 config CPU_MIPSR2
1982 bool 2066 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2067 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2068 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 2069 select MIPS_SPRAM
1994 2070
1995 config CPU_MIPSR6 2071 config CPU_MIPSR6
1996 bool 2072 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2073 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2074 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
2000 select HAVE_ARCH_BITREVERSE 2075 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2076 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2077 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2078 select MIPS_SPRAM
2004 2079
2005 config TARGET_ISA_REV 2080 config TARGET_ISA_REV
2006 int 2081 int
2007 default 1 if CPU_MIPSR1 2082 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2083 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 <<
2010 default 6 if CPU_MIPSR6 2084 default 6 if CPU_MIPSR6
2011 default 0 2085 default 0
2012 help 2086 help
2013 Reflects the ISA revision being tar 2087 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2088 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2089
2016 config EVA 2090 config EVA
2017 bool 2091 bool
2018 2092
2019 config XPA 2093 config XPA
2020 bool 2094 bool
2021 2095
2022 config SYS_SUPPORTS_32BIT_KERNEL 2096 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2097 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2098 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2099 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2100 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2101 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2102 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2103 bool
2030 config CPU_SUPPORTS_CPUFREQ 2104 config CPU_SUPPORTS_CPUFREQ
2031 bool 2105 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2106 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2107 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2108 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2109 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2110 config CPU_SUPPORTS_UNCACHED_ACCELERATED
2037 config CPU_SUPPORTS_VZ <<
2038 bool 2111 bool
2039 config MIPS_PGD_C0_CONTEXT 2112 config MIPS_PGD_C0_CONTEXT
2040 bool 2113 bool
2041 depends on 64BIT !! 2114 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2115
2044 # 2116 #
2045 # Set to y for ptrace access to watch registe 2117 # Set to y for ptrace access to watch registers.
2046 # 2118 #
2047 config HARDWARE_WATCHPOINTS 2119 config HARDWARE_WATCHPOINTS
2048 bool 2120 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2121 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2122
2051 menu "Kernel type" 2123 menu "Kernel type"
2052 2124
2053 choice 2125 choice
2054 prompt "Kernel code model" 2126 prompt "Kernel code model"
2055 help 2127 help
2056 You should only select this option 2128 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2129 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2130 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2131 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2132
2061 config 32BIT 2133 config 32BIT
2062 bool "32-bit kernel" 2134 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2135 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2136 select TRAD_SIGNALS
2065 help 2137 help
2066 Select this option if you want to b 2138 Select this option if you want to build a 32-bit kernel.
2067 2139
2068 config 64BIT 2140 config 64BIT
2069 bool "64-bit kernel" 2141 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2142 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2143 help
2072 Select this option if you want to b 2144 Select this option if you want to build a 64-bit kernel.
2073 2145
2074 endchoice 2146 endchoice
2075 2147
>> 2148 config KVM_GUEST
>> 2149 bool "KVM Guest Kernel"
>> 2150 depends on BROKEN_ON_SMP
>> 2151 help
>> 2152 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2153 mode.
>> 2154
>> 2155 config KVM_GUEST_TIMER_FREQ
>> 2156 int "Count/Compare Timer Frequency (MHz)"
>> 2157 depends on KVM_GUEST
>> 2158 default 100
>> 2159 help
>> 2160 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2161 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2162 timer frequency is specified directly.
>> 2163
2076 config MIPS_VA_BITS_48 2164 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2165 bool "48 bits virtual memory"
2078 depends on 64BIT 2166 depends on 64BIT
2079 help 2167 help
2080 Support a maximum at least 48 bits 2168 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2169 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2170 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2171 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2172 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2173 overhead as well as slower TLB fault handling.
2086 2174
2087 If unsure, say N. 2175 If unsure, say N.
2088 2176
2089 config ZBOOT_LOAD_ADDRESS !! 2177 choice
2090 hex "Compressed kernel load address" !! 2178 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2179 default PAGE_SIZE_4KB
2092 default 0x0 !! 2180
2093 depends on SYS_SUPPORTS_ZBOOT !! 2181 config PAGE_SIZE_4KB
2094 help !! 2182 bool "4kB"
2095 The address to load compressed kern !! 2183 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2184 help
>> 2185 This option select the standard 4kB Linux page size. On some
>> 2186 R3000-family processors this is the only available page size. Using
>> 2187 4kB page size will minimize memory consumption and is therefore
>> 2188 recommended for low memory systems.
>> 2189
>> 2190 config PAGE_SIZE_8KB
>> 2191 bool "8kB"
>> 2192 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2193 depends on !MIPS_VA_BITS_48
>> 2194 help
>> 2195 Using 8kB page size will result in higher performance kernel at
>> 2196 the price of higher memory consumption. This option is available
>> 2197 only on R8000 and cnMIPS processors. Note that you will need a
>> 2198 suitable Linux distribution to support this.
>> 2199
>> 2200 config PAGE_SIZE_16KB
>> 2201 bool "16kB"
>> 2202 depends on !CPU_R3000 && !CPU_TX39XX
>> 2203 help
>> 2204 Using 16kB page size will result in higher performance kernel at
>> 2205 the price of higher memory consumption. This option is available on
>> 2206 all non-R3000 family processors. Note that you will need a suitable
>> 2207 Linux distribution to support this.
>> 2208
>> 2209 config PAGE_SIZE_32KB
>> 2210 bool "32kB"
>> 2211 depends on CPU_CAVIUM_OCTEON
>> 2212 depends on !MIPS_VA_BITS_48
>> 2213 help
>> 2214 Using 32kB page size will result in higher performance kernel at
>> 2215 the price of higher memory consumption. This option is available
>> 2216 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2217 distribution to support this.
>> 2218
>> 2219 config PAGE_SIZE_64KB
>> 2220 bool "64kB"
>> 2221 depends on !CPU_R3000 && !CPU_TX39XX
>> 2222 help
>> 2223 Using 64kB page size will result in higher performance kernel at
>> 2224 the price of higher memory consumption. This option is available on
>> 2225 all non-R3000 family processor. Not that at the time of this
>> 2226 writing this option is still high experimental.
2096 2227
2097 This is only used if non-zero. !! 2228 endchoice
2098 2229
2099 config ARCH_FORCE_MAX_ORDER !! 2230 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2231 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2232 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2233 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2234 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2235 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2236 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2237 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2238 range 11 64
>> 2239 default "11"
2105 help 2240 help
2106 The kernel memory allocator divides 2241 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2242 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2243 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2244 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2245 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2246 increase this value.
2112 2247
>> 2248 This config option is actually maximum order plus one. For example,
>> 2249 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2250
2113 The page size is not necessarily 4K 2251 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2252 when choosing a value for this option.
2115 2253
2116 config BOARD_SCACHE 2254 config BOARD_SCACHE
2117 bool 2255 bool
2118 2256
2119 config IP22_CPU_SCACHE 2257 config IP22_CPU_SCACHE
2120 bool 2258 bool
2121 select BOARD_SCACHE 2259 select BOARD_SCACHE
2122 2260
2123 # 2261 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2262 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2263 #
2126 config MIPS_CPU_SCACHE 2264 config MIPS_CPU_SCACHE
2127 bool 2265 bool
2128 select BOARD_SCACHE 2266 select BOARD_SCACHE
2129 2267
2130 config R5000_CPU_SCACHE 2268 config R5000_CPU_SCACHE
2131 bool 2269 bool
2132 select BOARD_SCACHE 2270 select BOARD_SCACHE
2133 2271
2134 config RM7000_CPU_SCACHE 2272 config RM7000_CPU_SCACHE
2135 bool 2273 bool
2136 select BOARD_SCACHE 2274 select BOARD_SCACHE
2137 2275
2138 config SIBYTE_DMA_PAGEOPS 2276 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2277 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2278 depends on CPU_SB1
2141 help 2279 help
2142 Instead of using the CPU to zero an 2280 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2281 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2282 SiByte Linux port. Seems to give a small performance benefit.
2145 2283
2146 config CPU_HAS_PREFETCH 2284 config CPU_HAS_PREFETCH
2147 bool 2285 bool
2148 2286
2149 config CPU_GENERIC_DUMP_TLB 2287 config CPU_GENERIC_DUMP_TLB
2150 bool 2288 bool
2151 default y if !CPU_R3000 !! 2289 default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2152 2290
2153 config MIPS_FP_SUPPORT 2291 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2292 bool "Floating Point support" if EXPERT
2155 default y 2293 default y
2156 help 2294 help
2157 Select y to include support for flo 2295 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2296 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2297 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2298 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2299 receive a SIGILL.
2162 2300
2163 If you know that your userland will 2301 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2302 instructions then you can say n here to shrink the kernel a little.
2165 2303
2166 If unsure, say y. 2304 If unsure, say y.
2167 2305
2168 config CPU_R2300_FPU 2306 config CPU_R2300_FPU
2169 bool 2307 bool
2170 depends on MIPS_FP_SUPPORT 2308 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2309 default y if CPU_R3000 || CPU_TX39XX
2172 <<
2173 config CPU_R3K_TLB <<
2174 bool <<
2175 2310
2176 config CPU_R4K_FPU 2311 config CPU_R4K_FPU
2177 bool 2312 bool
2178 depends on MIPS_FP_SUPPORT 2313 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2314 default y if !CPU_R2300_FPU
2180 2315
2181 config CPU_R4K_CACHE_TLB 2316 config CPU_R4K_CACHE_TLB
2182 bool 2317 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 !! 2318 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2184 2319
2185 config MIPS_MT_SMP 2320 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2321 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2322 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2323 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2324 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2325 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2326 select SYNC_R4K
2193 select MIPS_MT 2327 select MIPS_MT
2194 select SMP 2328 select SMP
2195 select SMP_UP 2329 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2330 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2331 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2332 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2333 help
2200 This is a kernel model which is kno 2334 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2335 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2336 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2337 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2338 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2339
2206 config MIPS_MT 2340 config MIPS_MT
2207 bool 2341 bool
2208 2342
2209 config SCHED_SMT 2343 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2344 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2345 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2346 default n
2213 help 2347 help
2214 SMT scheduler support improves the 2348 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2349 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2350 increased overhead in some places. If unsure say N here.
2217 2351
2218 config SYS_SUPPORTS_SCHED_SMT 2352 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2353 bool
2220 2354
2221 config SYS_SUPPORTS_MULTITHREADING 2355 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2356 bool
2223 2357
2224 config MIPS_MT_FPAFF 2358 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2359 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2360 default y
2227 depends on MIPS_MT_SMP 2361 depends on MIPS_MT_SMP
2228 2362
2229 config MIPSR2_TO_R6_EMULATOR 2363 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2364 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2365 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2366 depends on MIPS_FP_SUPPORT
2233 default y 2367 default y
2234 help 2368 help
2235 Choose this option if you want to r 2369 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2370 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2371 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2372 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2373 final kernel image.
2240 2374
2241 config SYS_SUPPORTS_VPE_LOADER 2375 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2376 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2377 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2378 help
2245 Indicates that the platform support 2379 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2380 physical_memsize.
2247 2381
2248 config MIPS_VPE_LOADER 2382 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2383 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2384 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2385 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2386 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2387 select MIPS_MT
2254 help 2388 help
2255 Includes a loader for loading an el 2389 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2390 onto another VPE and running it.
2257 2391
>> 2392 config MIPS_VPE_LOADER_CMP
>> 2393 bool
>> 2394 default "y"
>> 2395 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2396
2258 config MIPS_VPE_LOADER_MT 2397 config MIPS_VPE_LOADER_MT
2259 bool 2398 bool
2260 default "y" 2399 default "y"
2261 depends on MIPS_VPE_LOADER !! 2400 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2401
2263 config MIPS_VPE_LOADER_TOM 2402 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2403 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2404 depends on MIPS_VPE_LOADER
2266 default y 2405 default y
2267 help 2406 help
2268 The loader can use memory that is p 2407 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2408 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2409 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2410 program requires is less or equal to the amount physically present.
2272 2411
2273 config MIPS_VPE_APSP_API 2412 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2413 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2414 depends on MIPS_VPE_LOADER
2276 2415
>> 2416 config MIPS_VPE_APSP_API_CMP
>> 2417 bool
>> 2418 default "y"
>> 2419 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2420
2277 config MIPS_VPE_APSP_API_MT 2421 config MIPS_VPE_APSP_API_MT
2278 bool 2422 bool
2279 default "y" 2423 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2424 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2425
>> 2426 config MIPS_CMP
>> 2427 bool "MIPS CMP framework support (DEPRECATED)"
>> 2428 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2429 select SMP
>> 2430 select SYNC_R4K
>> 2431 select SYS_SUPPORTS_SMP
>> 2432 select WEAK_ORDERING
>> 2433 default n
>> 2434 help
>> 2435 Select this if you are using a bootloader which implements the "CMP
>> 2436 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2437 its ability to start secondary CPUs.
>> 2438
>> 2439 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2440 instead of this.
2281 2441
2282 config MIPS_CPS 2442 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2443 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2444 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2445 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2446 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2447 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2448 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2449 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2450 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2451 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2452 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2453 help
2296 Select this if you wish to run an S 2454 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2455 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2456 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2457 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2458 support is unavailable.
2301 2459
2302 config MIPS_CPS_PM 2460 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2461 depends on MIPS_CPS
2304 bool 2462 bool
2305 2463
2306 config MIPS_CM 2464 config MIPS_CM
2307 bool 2465 bool
2308 select MIPS_CPC 2466 select MIPS_CPC
2309 2467
2310 config MIPS_CPC 2468 config MIPS_CPC
2311 bool 2469 bool
2312 2470
2313 config SB1_PASS_2_WORKAROUNDS 2471 config SB1_PASS_2_WORKAROUNDS
2314 bool 2472 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2473 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2474 default y
2317 2475
2318 config SB1_PASS_2_1_WORKAROUNDS 2476 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2477 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2478 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2479 default y
2322 2480
2323 choice 2481 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2482 prompt "SmartMIPS or microMIPS ASE support"
2325 2483
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2484 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2485 bool "None"
2328 help 2486 help
2329 Select this if you want neither mic 2487 Select this if you want neither microMIPS nor SmartMIPS support
2330 2488
2331 config CPU_HAS_SMARTMIPS 2489 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2490 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2491 bool "SmartMIPS"
2334 help 2492 help
2335 SmartMIPS is a extension of the MIP 2493 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2494 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2495 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2496 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2497 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2498 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2499 here.
2342 2500
2343 config CPU_MICROMIPS 2501 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2502 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2503 bool "microMIPS"
2346 help 2504 help
2347 When this option is enabled the ker 2505 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2506 microMIPS ISA
2349 2507
2350 endchoice 2508 endchoice
2351 2509
2352 config CPU_HAS_MSA 2510 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2511 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2512 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2513 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2514 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2515 help
2358 MIPS SIMD Architecture (MSA) introd 2516 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2517 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2518 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2519 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2520 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2521 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2522 the size & complexity of your kernel.
2365 2523
2366 If unsure, say Y. 2524 If unsure, say Y.
2367 2525
2368 config CPU_HAS_WB 2526 config CPU_HAS_WB
2369 bool 2527 bool
2370 2528
2371 config XKS01 2529 config XKS01
2372 bool 2530 bool
2373 2531
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 2532 config CPU_HAS_RIXI
2382 bool 2533 bool
2383 2534
2384 config CPU_NO_LOAD_STORE_LR !! 2535 config CPU_HAS_LOAD_STORE_LR
2385 bool 2536 bool
2386 help 2537 help
2387 CPU lacks support for unaligned loa !! 2538 CPU has support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2539 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub !! 2540 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2390 systems). <<
2391 2541
2392 # 2542 #
2393 # Vectored interrupt mode is an R2 feature 2543 # Vectored interrupt mode is an R2 feature
2394 # 2544 #
2395 config CPU_MIPSR2_IRQ_VI 2545 config CPU_MIPSR2_IRQ_VI
2396 bool 2546 bool
2397 2547
2398 # 2548 #
2399 # Extended interrupt mode is an R2 feature 2549 # Extended interrupt mode is an R2 feature
2400 # 2550 #
2401 config CPU_MIPSR2_IRQ_EI 2551 config CPU_MIPSR2_IRQ_EI
2402 bool 2552 bool
2403 2553
2404 config CPU_HAS_SYNC 2554 config CPU_HAS_SYNC
2405 bool 2555 bool
2406 depends on !CPU_R3000 2556 depends on !CPU_R3000
2407 default y 2557 default y
2408 2558
2409 # 2559 #
2410 # CPU non-features 2560 # CPU non-features
2411 # 2561 #
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 2562 config CPU_DADDI_WORKAROUNDS
2427 bool 2563 bool
2428 2564
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 2565 config CPU_R4000_WORKAROUNDS
2448 bool 2566 bool
2449 select CPU_R4400_WORKAROUNDS 2567 select CPU_R4400_WORKAROUNDS
2450 2568
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 2569 config CPU_R4400_WORKAROUNDS
2458 bool 2570 bool
2459 2571
2460 config CPU_R4X00_BUGS64 <<
2461 bool <<
2462 default y if SYS_HAS_CPU_R4X00 && 64B <<
2463 <<
2464 config MIPS_ASID_SHIFT 2572 config MIPS_ASID_SHIFT
2465 int 2573 int
2466 default 6 if CPU_R3000 !! 2574 default 6 if CPU_R3000 || CPU_TX39XX
>> 2575 default 4 if CPU_R8000
2467 default 0 2576 default 0
2468 2577
2469 config MIPS_ASID_BITS 2578 config MIPS_ASID_BITS
2470 int 2579 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2580 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2581 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2582 default 8
2474 2583
2475 config MIPS_ASID_BITS_VARIABLE 2584 config MIPS_ASID_BITS_VARIABLE
2476 bool 2585 bool
2477 2586
2478 config MIPS_CRC_SUPPORT 2587 config MIPS_CRC_SUPPORT
2479 bool 2588 bool
2480 2589
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 # 2590 #
2552 # - Highmem only makes sense for the 32-bit k 2591 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2592 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2593 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2594 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2595 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2596 # 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 2597 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2598 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2599 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2600 # know they might have memory configurations that could make use of highmem
2562 # support. 2601 # support.
2563 # 2602 #
2564 config HIGHMEM 2603 config HIGHMEM
2565 bool "High Memory Support" 2604 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2605 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2606
2569 config CPU_SUPPORTS_HIGHMEM 2607 config CPU_SUPPORTS_HIGHMEM
2570 bool 2608 bool
2571 2609
2572 config SYS_SUPPORTS_HIGHMEM 2610 config SYS_SUPPORTS_HIGHMEM
2573 bool 2611 bool
2574 2612
2575 config SYS_SUPPORTS_SMARTMIPS 2613 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2614 bool
2577 2615
2578 config SYS_SUPPORTS_MICROMIPS 2616 config SYS_SUPPORTS_MICROMIPS
2579 bool 2617 bool
2580 2618
2581 config SYS_SUPPORTS_MIPS16 2619 config SYS_SUPPORTS_MIPS16
2582 bool 2620 bool
2583 help 2621 help
2584 This option must be set if a kernel 2622 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2623 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2624 words, it makes the kernel MIPS16-tolerant.
2587 2625
2588 config CPU_SUPPORTS_MSA 2626 config CPU_SUPPORTS_MSA
2589 bool 2627 bool
2590 2628
2591 config ARCH_FLATMEM_ENABLE 2629 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2630 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF !! 2631 depends on !NUMA && !CPU_LOONGSON2
>> 2632
>> 2633 config ARCH_DISCONTIGMEM_ENABLE
>> 2634 bool
>> 2635 default y if SGI_IP27
>> 2636 help
>> 2637 Say Y to support efficient handling of discontiguous physical memory,
>> 2638 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2639 or have huge holes in the physical address space for other reasons.
>> 2640 See <file:Documentation/vm/numa.rst> for more.
2594 2641
2595 config ARCH_SPARSEMEM_ENABLE 2642 config ARCH_SPARSEMEM_ENABLE
2596 bool 2643 bool
>> 2644 select SPARSEMEM_STATIC
2597 2645
2598 config NUMA 2646 config NUMA
2599 bool "NUMA Support" 2647 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2648 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 2649 help
2605 Say Y to compile the kernel to supp 2650 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2651 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2652 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s !! 2653 leave it disabled; on single node systems disable this option
2609 disabled. 2654 disabled.
2610 2655
2611 config SYS_SUPPORTS_NUMA 2656 config SYS_SUPPORTS_NUMA
2612 bool 2657 bool
2613 2658
2614 config RELOCATABLE 2659 config RELOCATABLE
2615 bool "Relocatable kernel" 2660 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE !! 2661 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 2662 help
2623 This builds a kernel image that ret 2663 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2664 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2665 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2666 but are discarded at runtime
2627 2667
2628 config RELOCATION_TABLE_SIZE 2668 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2669 hex "Relocation table size"
2630 depends on RELOCATABLE 2670 depends on RELOCATABLE
2631 range 0x0 0x01000000 2671 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" 2672 default "0x00100000"
2634 help !! 2673 ---help---
2635 A table of relocation data will be 2674 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2675 and parsed at boot to fix up the relocated kernel.
2637 2676
2638 This option allows the amount of sp 2677 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2678 adjusted, although the default of 1Mb should be ok in most cases.
2640 2679
2641 The build will fail and a valid siz 2680 The build will fail and a valid size suggested if this is too small.
2642 2681
2643 If unsure, leave at the default val 2682 If unsure, leave at the default value.
2644 2683
2645 config RANDOMIZE_BASE 2684 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2685 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2686 depends on RELOCATABLE
2648 help !! 2687 ---help---
2649 Randomizes the physical and virtual 2688 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2689 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2690 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2691 of kernel internals.
2653 2692
2654 Entropy is generated using any copr 2693 Entropy is generated using any coprocessor 0 registers available.
2655 2694
2656 The kernel will be offset by up to 2695 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2696
2658 If unsure, say N. 2697 If unsure, say N.
2659 2698
2660 config RANDOMIZE_BASE_MAX_OFFSET 2699 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2700 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2701 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2702 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2703 range 0x0 0x08000000
2665 default "0x01000000" 2704 default "0x01000000"
2666 help !! 2705 ---help---
2667 When kASLR is active, this provides 2706 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2707 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2708 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2709 PHYSICAL_START and must be a power of 2.
2671 2710
2672 This is limited by the size of KSEG 2711 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2712 EVA or 64-bit. The default is 16Mb.
2674 2713
2675 config NODES_SHIFT 2714 config NODES_SHIFT
2676 int 2715 int
2677 default "6" 2716 default "6"
2678 depends on NUMA !! 2717 depends on NEED_MULTIPLE_NODES
2679 2718
2680 config HW_PERF_EVENTS 2719 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2720 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2721 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2683 default y 2722 default y
2684 help 2723 help
2685 Enable hardware performance counter 2724 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2725 disabled, perf events will use software events only.
2687 2726
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 2727 config SMP
2700 bool "Multi-Processing support" 2728 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2729 depends on SYS_SUPPORTS_SMP
2702 help 2730 help
2703 This enables support for systems wi 2731 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2732 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2733 than one CPU, say Y.
2706 2734
2707 If you say N here, the kernel will 2735 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2736 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2737 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2738 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2739 will run faster if you say N here.
2712 2740
2713 People using multiprocessor machine 2741 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2742 Y to "Enhanced Real Time Clock Support", below.
2715 2743
2716 See also the SMP-HOWTO available at 2744 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 2745 <http://www.tldp.org/docs.html#howto>.
2718 2746
2719 If you don't know what to do here, 2747 If you don't know what to do here, say N.
2720 2748
2721 config HOTPLUG_CPU 2749 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2750 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2751 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2752 help
2725 Say Y here to allow turning CPUs of 2753 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2754 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2755 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2756 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2757 Say N if you want to disable CPU hotplug.
2730 2758
2731 config SMP_UP 2759 config SMP_UP
2732 bool 2760 bool
2733 2761
>> 2762 config SYS_SUPPORTS_MIPS_CMP
>> 2763 bool
>> 2764
2734 config SYS_SUPPORTS_MIPS_CPS 2765 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2766 bool
2736 2767
2737 config SYS_SUPPORTS_SMP 2768 config SYS_SUPPORTS_SMP
2738 bool 2769 bool
2739 2770
2740 config NR_CPUS_DEFAULT_4 2771 config NR_CPUS_DEFAULT_4
2741 bool 2772 bool
2742 2773
2743 config NR_CPUS_DEFAULT_8 2774 config NR_CPUS_DEFAULT_8
2744 bool 2775 bool
2745 2776
2746 config NR_CPUS_DEFAULT_16 2777 config NR_CPUS_DEFAULT_16
2747 bool 2778 bool
2748 2779
2749 config NR_CPUS_DEFAULT_32 2780 config NR_CPUS_DEFAULT_32
2750 bool 2781 bool
2751 2782
2752 config NR_CPUS_DEFAULT_64 2783 config NR_CPUS_DEFAULT_64
2753 bool 2784 bool
2754 2785
2755 config NR_CPUS 2786 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2787 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2788 range 2 256
2758 depends on SMP 2789 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2790 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2791 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2792 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2793 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2794 default "64" if NR_CPUS_DEFAULT_64
2764 help 2795 help
2765 This allows you to specify the maxi 2796 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2797 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2798 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2799 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2800 and 2 for all others.
2770 2801
2771 This is purely to save memory - eac 2802 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2803 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2804 performance should round up your number of processors to the next
2774 power of two. 2805 power of two.
2775 2806
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2807 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2808 bool
2778 2809
2779 config MIPS_NR_CPU_NR_MAP_1024 2810 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2811 bool
2781 2812
2782 config MIPS_NR_CPU_NR_MAP 2813 config MIPS_NR_CPU_NR_MAP
2783 int 2814 int
2784 depends on SMP 2815 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2816 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2817 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2818
2788 # 2819 #
2789 # Timer Interrupt Frequency Configuration 2820 # Timer Interrupt Frequency Configuration
2790 # 2821 #
2791 2822
2792 choice 2823 choice
2793 prompt "Timer frequency" 2824 prompt "Timer frequency"
2794 default HZ_250 2825 default HZ_250
2795 help 2826 help
2796 Allows the configuration of the tim 2827 Allows the configuration of the timer frequency.
2797 2828
2798 config HZ_24 2829 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2830 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2831
2801 config HZ_48 2832 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2833 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2834
2804 config HZ_100 2835 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2836 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2837
2807 config HZ_128 2838 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2839 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2840
2810 config HZ_250 2841 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2842 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2843
2813 config HZ_256 2844 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2845 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2846
2816 config HZ_1000 2847 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2848 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2849
2819 config HZ_1024 2850 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2851 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2852
2822 endchoice 2853 endchoice
2823 2854
2824 config SYS_SUPPORTS_24HZ 2855 config SYS_SUPPORTS_24HZ
2825 bool 2856 bool
2826 2857
2827 config SYS_SUPPORTS_48HZ 2858 config SYS_SUPPORTS_48HZ
2828 bool 2859 bool
2829 2860
2830 config SYS_SUPPORTS_100HZ 2861 config SYS_SUPPORTS_100HZ
2831 bool 2862 bool
2832 2863
2833 config SYS_SUPPORTS_128HZ 2864 config SYS_SUPPORTS_128HZ
2834 bool 2865 bool
2835 2866
2836 config SYS_SUPPORTS_250HZ 2867 config SYS_SUPPORTS_250HZ
2837 bool 2868 bool
2838 2869
2839 config SYS_SUPPORTS_256HZ 2870 config SYS_SUPPORTS_256HZ
2840 bool 2871 bool
2841 2872
2842 config SYS_SUPPORTS_1000HZ 2873 config SYS_SUPPORTS_1000HZ
2843 bool 2874 bool
2844 2875
2845 config SYS_SUPPORTS_1024HZ 2876 config SYS_SUPPORTS_1024HZ
2846 bool 2877 bool
2847 2878
2848 config SYS_SUPPORTS_ARBIT_HZ 2879 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2880 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2881 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2882 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2883 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2884 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2885 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2886 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2887 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2888 !SYS_SUPPORTS_1024HZ
2858 2889
2859 config HZ 2890 config HZ
2860 int 2891 int
2861 default 24 if HZ_24 2892 default 24 if HZ_24
2862 default 48 if HZ_48 2893 default 48 if HZ_48
2863 default 100 if HZ_100 2894 default 100 if HZ_100
2864 default 128 if HZ_128 2895 default 128 if HZ_128
2865 default 250 if HZ_250 2896 default 250 if HZ_250
2866 default 256 if HZ_256 2897 default 256 if HZ_256
2867 default 1000 if HZ_1000 2898 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2899 default 1024 if HZ_1024
2869 2900
2870 config SCHED_HRTICK 2901 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2902 def_bool HIGH_RES_TIMERS
2872 2903
2873 config ARCH_SUPPORTS_KEXEC !! 2904 config KEXEC
2874 def_bool y !! 2905 bool "Kexec system call"
2875 !! 2906 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2907 help
2877 def_bool y !! 2908 kexec is a system call that implements the ability to shutdown your
>> 2909 current kernel, and to start another kernel. It is like a reboot
>> 2910 but it is independent of the system firmware. And like a reboot
>> 2911 you can start any kernel with it, not just Linux.
>> 2912
>> 2913 The name comes from the similarity to the exec system call.
>> 2914
>> 2915 It is an ongoing process to be certain the hardware in a machine
>> 2916 is properly shutdown, so do not be surprised if this code does not
>> 2917 initially work for you. As of this writing the exact hardware
>> 2918 interface is strongly in flux, so no good recommendation can be
>> 2919 made.
>> 2920
>> 2921 config CRASH_DUMP
>> 2922 bool "Kernel crash dumps"
>> 2923 help
>> 2924 Generate crash dump after being started by kexec.
>> 2925 This should be normally only set in special crash dump kernels
>> 2926 which are loaded in the main kernel with kexec-tools into
>> 2927 a specially reserved region and then later executed after
>> 2928 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2929 to a memory address not used by the main kernel or firmware using
>> 2930 PHYSICAL_START.
2878 2931
2879 config PHYSICAL_START 2932 config PHYSICAL_START
2880 hex "Physical address where the kerne 2933 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2934 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2935 depends on CRASH_DUMP
2883 help 2936 help
2884 This gives the CKSEG0 or KSEG0 addr 2937 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2938 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2939 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2940 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2941 passed to the panic-ed kernel).
2889 2942
>> 2943 config SECCOMP
>> 2944 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2945 depends on PROC_FS
>> 2946 default y
>> 2947 help
>> 2948 This kernel feature is useful for number crunching applications
>> 2949 that may need to compute untrusted bytecode during their
>> 2950 execution. By using pipes or other transports made available to
>> 2951 the process as file descriptors supporting the read/write
>> 2952 syscalls, it's possible to isolate those applications in
>> 2953 their own address space using seccomp. Once seccomp is
>> 2954 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2955 and the task is only allowed to execute a few safe syscalls
>> 2956 defined by each seccomp mode.
>> 2957
>> 2958 If unsure, say Y. Only embedded should say N here.
>> 2959
2890 config MIPS_O32_FP64_SUPPORT 2960 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2961 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2962 depends on 32BIT || MIPS32_O32
2893 help 2963 help
2894 When this is enabled, the kernel wi 2964 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2965 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2966 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2967 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2968 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2969 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2970 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2971 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2972 saying N here.
2903 2973
2904 Although binutils currently support 2974 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2975 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 2976 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 2977 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2978 be considered experimental and only enabled by those working upon
2909 said details. 2979 said details.
2910 2980
2911 If unsure, say N. 2981 If unsure, say N.
2912 2982
2913 config USE_OF 2983 config USE_OF
2914 bool 2984 bool
2915 select OF 2985 select OF
2916 select OF_EARLY_FLATTREE 2986 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2987 select IRQ_DOMAIN
2918 2988
2919 config UHI_BOOT 2989 config UHI_BOOT
2920 bool 2990 bool
2921 2991
2922 config BUILTIN_DTB 2992 config BUILTIN_DTB
2923 bool 2993 bool
2924 2994
2925 choice 2995 choice
2926 prompt "Kernel appended dtb support" !! 2996 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2997 default MIPS_NO_APPENDED_DTB
2929 2998
2930 config MIPS_NO_APPENDED_DTB 2999 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3000 bool "None"
2932 help 3001 help
2933 Do not enable appended dtb 3002 Do not enable appended dtb support.
2934 3003
2935 config MIPS_ELF_APPENDED_DTB 3004 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3005 bool "vmlinux"
2937 help 3006 help
2938 With this option, the boot 3007 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3008 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3009 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3010 objcopy:
2942 3011
2943 objcopy --update-section 3012 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3013
2945 This is meant as a backward !! 3014 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 3015 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3016 the documented boot protocol using a device tree.
2948 3017
2949 config MIPS_RAW_APPENDED_DTB 3018 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3019 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3020 help
2952 With this option, the boot 3021 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3022 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3023 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3024
2956 This is meant as a backward 3025 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3026 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3027 the documented boot protocol using a device tree.
2959 3028
2960 Beware that there is very l 3029 Beware that there is very little in terms of protection against
2961 this option being confused 3030 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3031 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3032 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3033 if you don't intend to always append a DTB.
2965 endchoice 3034 endchoice
2966 3035
2967 choice 3036 choice
2968 prompt "Kernel command line type" !! 3037 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3038 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC !! 3039 !MIPS_MALTA && \
2972 !CAV 3040 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3041 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3042
2975 config MIPS_CMDLINE_FROM_DTB 3043 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3044 depends on USE_OF
2977 bool "Dtb kernel arguments if 3045 bool "Dtb kernel arguments if available"
2978 3046
2979 config MIPS_CMDLINE_DTB_EXTEND 3047 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3048 depends on USE_OF
2981 bool "Extend dtb kernel argum 3049 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3050
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3051 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3052 bool "Bootloader kernel arguments if available"
2985 3053
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3054 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3055 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3056 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3057 endchoice
2990 3058
2991 endmenu 3059 endmenu
2992 3060
2993 config LOCKDEP_SUPPORT 3061 config LOCKDEP_SUPPORT
2994 bool 3062 bool
2995 default y 3063 default y
2996 3064
2997 config STACKTRACE_SUPPORT 3065 config STACKTRACE_SUPPORT
2998 bool 3066 bool
2999 default y 3067 default y
3000 3068
>> 3069 config HAVE_LATENCYTOP_SUPPORT
>> 3070 bool
>> 3071 default y
>> 3072
3001 config PGTABLE_LEVELS 3073 config PGTABLE_LEVELS
3002 int 3074 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3075 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3076 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3077 default 2
3006 3078
3007 config MIPS_AUTO_PFN_OFFSET 3079 config MIPS_AUTO_PFN_OFFSET
3008 bool 3080 bool
3009 3081
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3082 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3083
3012 config PCI_DRIVERS_GENERIC 3084 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3085 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3086 bool
3015 3087
3016 config PCI_DRIVERS_LEGACY 3088 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3089 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3090 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3091 select PCI_DOMAINS if PCI
3020 3092
3021 # 3093 #
3022 # ISA support is now enabled via select. Too 3094 # 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 3095 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3096 # users to choose the right thing ...
3025 # 3097 #
3026 config ISA 3098 config ISA
3027 bool 3099 bool
3028 3100
3029 config TC 3101 config TC
3030 bool "TURBOchannel support" 3102 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3103 depends on MACH_DECSTATION
3032 help 3104 help
3033 TURBOchannel is a DEC (now Compaq ( 3105 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3106 processors. TURBOchannel programming specifications are available
3035 at: 3107 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3108 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3109 and:
3038 <http://www.computer-refuge.org/cla 3110 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3111 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3112 <http://www.linux-mips.org/wiki/DECstation>
3041 3113
3042 config MMU 3114 config MMU
3043 bool 3115 bool
3044 default y 3116 default y
3045 3117
3046 config ARCH_MMAP_RND_BITS_MIN 3118 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3119 default 12 if 64BIT
3048 default 8 3120 default 8
3049 3121
3050 config ARCH_MMAP_RND_BITS_MAX 3122 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3123 default 18 if 64BIT
3052 default 15 3124 default 15
3053 3125
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3126 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3127 default 8
3056 3128
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3129 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3130 default 15
3059 3131
3060 config I8253 3132 config I8253
3061 bool 3133 bool
3062 select CLKSRC_I8253 3134 select CLKSRC_I8253
3063 select CLKEVT_I8253 3135 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3136 select MIPS_EXTERNAL_TIMER
>> 3137
>> 3138 config ZONE_DMA
>> 3139 bool
>> 3140
>> 3141 config ZONE_DMA32
>> 3142 bool
>> 3143
3065 endmenu 3144 endmenu
3066 3145
3067 config TRAD_SIGNALS 3146 config TRAD_SIGNALS
3068 bool 3147 bool
3069 3148
3070 config MIPS32_COMPAT 3149 config MIPS32_COMPAT
3071 bool 3150 bool
3072 3151
3073 config COMPAT 3152 config COMPAT
3074 bool 3153 bool
3075 3154
>> 3155 config SYSVIPC_COMPAT
>> 3156 bool
>> 3157
3076 config MIPS32_O32 3158 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3159 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3160 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3161 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3162 select COMPAT
3081 select MIPS32_COMPAT 3163 select MIPS32_COMPAT
>> 3164 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3165 help
3083 Select this option if you want to r 3166 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3167 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3168 existing binaries are in this format.
3086 3169
3087 If unsure, say Y. 3170 If unsure, say Y.
3088 3171
3089 config MIPS32_N32 3172 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3173 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3174 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3175 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3176 select COMPAT
3094 select MIPS32_COMPAT 3177 select MIPS32_COMPAT
>> 3178 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3179 help
3096 Select this option if you want to r 3180 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3181 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3182 data that would normally be 64-bit. They are used in special
3099 cases. 3183 cases.
3100 3184
3101 If unsure, say N. 3185 If unsure, say N.
3102 3186
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3187 config BINFMT_ELF32
3104 def_bool y !! 3188 bool
3105 depends on $(cc-option,-mno-branch-li !! 3189 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3190 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 3191
3111 menu "Power management options" 3192 menu "Power management options"
3112 3193
3113 config ARCH_HIBERNATION_POSSIBLE 3194 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3195 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3196 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3197
3117 config ARCH_SUSPEND_POSSIBLE 3198 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3199 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3200 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3201
3121 source "kernel/power/Kconfig" 3202 source "kernel/power/Kconfig"
3122 3203
3123 endmenu 3204 endmenu
3124 3205
3125 config MIPS_EXTERNAL_TIMER 3206 config MIPS_EXTERNAL_TIMER
3126 bool 3207 bool
3127 3208
3128 menu "CPU Power Management" 3209 menu "CPU Power Management"
3129 3210
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3211 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3212 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3213 endif
3133 3214
3134 source "drivers/cpuidle/Kconfig" 3215 source "drivers/cpuidle/Kconfig"
3135 3216
3136 endmenu 3217 endmenu
3137 3218
3138 source "arch/mips/kvm/Kconfig" !! 3219 source "drivers/firmware/Kconfig"
3139 3220
3140 source "arch/mips/vdso/Kconfig" !! 3221 source "arch/mips/kvm/Kconfig"
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