1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT 7 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 8 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 9 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 10 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 11 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 12 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER 13 select ARCH_HAS_STRNCPY_FROM_USER
17 select ARCH_HAS_STRNLEN_USER 14 select ARCH_HAS_STRNLEN_USER
18 select ARCH_HAS_TICK_BROADCAST if GENE 15 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 16 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 17 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK 18 select ARCH_KEEP_MEMBLOCK
>> 19 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 20 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 21 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST 22 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS 23 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 24 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 25 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 26 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 28 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 29 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 30 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 31 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 32 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 33 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 34 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 35 select GENERIC_CPU_AUTOPROBE
>> 36 select GENERIC_FIND_FIRST_BIT
38 select GENERIC_GETTIMEOFDAY 37 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 38 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 39 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 40 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 41 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 42 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 43 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 44 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 45 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 46 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 47 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 48 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 49 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 50 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 51 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 52 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 53 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 54 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 55 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 56 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 57 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 58 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 59 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 60 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 61 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 62 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 63 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 64 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 65 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 66 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 67 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 68 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 69 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
71 select HAVE_EXIT_THREAD 70 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 71 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 72 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 74 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 75 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 76 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 77 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 78 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 79 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 80 select HAVE_KPROBES
82 select HAVE_KRETPROBES 81 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 82 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 83 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 84 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 85 select HAVE_PATA_PLATFORM
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 86 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 87 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 88 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 89 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 90 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 91 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 92 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 93 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 94 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 95 select IRQ_FORCED_THREADING
99 select ISA if EISA 96 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 97 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 98 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 99 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 100 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 101 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 102 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 103 select TRACE_IRQFLAGS_SUPPORT
>> 104 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 105 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 106
111 config MIPS_FIXUP_BIGPHYS_ADDR 107 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 108 bool
113 109
114 config MIPS_GENERIC 110 config MIPS_GENERIC
115 bool 111 bool
116 112
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 113 config MACH_INGENIC
121 bool 114 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 115 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 116 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 117 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 118 select DMA_NONCOHERENT
>> 119 select ARCH_HAS_SYNC_DMA_FOR_CPU
126 select IRQ_MIPS_CPU 120 select IRQ_MIPS_CPU
127 select PINCTRL 121 select PINCTRL
128 select GPIOLIB 122 select GPIOLIB
129 select COMMON_CLK 123 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 124 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 125 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 126 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 127 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 128 select MIPS_EXTERNAL_TIMER
135 129
136 menu "Machine selection" 130 menu "Machine selection"
137 131
138 choice 132 choice
139 prompt "System type" 133 prompt "System type"
140 default MIPS_GENERIC_KERNEL 134 default MIPS_GENERIC_KERNEL
141 135
142 config MIPS_GENERIC_KERNEL 136 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 137 bool "Generic board-agnostic MIPS kernel"
>> 138 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 139 select MIPS_GENERIC
145 select BOOT_RAW 140 select BOOT_RAW
146 select BUILTIN_DTB 141 select BUILTIN_DTB
147 select CEVT_R4K 142 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 143 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 144 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 145 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 146 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 147 select CSRC_R4K
153 select DMA_NONCOHERENT 148 select DMA_NONCOHERENT
154 select HAVE_PCI 149 select HAVE_PCI
155 select IRQ_MIPS_CPU 150 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 151 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 152 select MIPS_CPU_SCACHE
159 select MIPS_GIC 153 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 154 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 155 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 156 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 157 select SMP_UP if SMP
164 select SWAP_IO_SPACE 158 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 159 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 160 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 161 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 162 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 163 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 164 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 165 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 166 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 167 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 168 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 169 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 170 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 171 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 172 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 173 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 174 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 175 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 176 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 177 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 178 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 179 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 180 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 181 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 182 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 183 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 184 select USE_OF
193 help 185 help
194 Select this to build a kernel which 186 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 187 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 188 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 189 Interface) specification.
198 190
199 config MIPS_ALCHEMY 191 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 192 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 193 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 194 select CEVT_R4K
203 select CSRC_R4K 195 select CSRC_R4K
204 select IRQ_MIPS_CPU 196 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 197 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 198 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 199 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 200 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 201 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 202 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 203 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 204 select COMMON_CLK
213 205
>> 206 config AR7
>> 207 bool "Texas Instruments AR7"
>> 208 select BOOT_ELF32
>> 209 select COMMON_CLK
>> 210 select DMA_NONCOHERENT
>> 211 select CEVT_R4K
>> 212 select CSRC_R4K
>> 213 select IRQ_MIPS_CPU
>> 214 select NO_EXCEPT_FILL
>> 215 select SWAP_IO_SPACE
>> 216 select SYS_HAS_CPU_MIPS32_R1
>> 217 select SYS_HAS_EARLY_PRINTK
>> 218 select SYS_SUPPORTS_32BIT_KERNEL
>> 219 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 220 select SYS_SUPPORTS_MIPS16
>> 221 select SYS_SUPPORTS_ZBOOT_UART16550
>> 222 select GPIOLIB
>> 223 select VLYNQ
>> 224 help
>> 225 Support for the Texas Instruments AR7 System-on-a-Chip
>> 226 family: TNETD7100, 7200 and 7300.
>> 227
214 config ATH25 228 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 229 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 230 select CEVT_R4K
217 select CSRC_R4K 231 select CSRC_R4K
218 select DMA_NONCOHERENT 232 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 233 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 234 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 235 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 236 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 237 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 238 select SYS_HAS_EARLY_PRINTK
225 help 239 help
226 Support for Atheros AR231x and Ather 240 Support for Atheros AR231x and Atheros AR531x based boards
227 241
228 config ATH79 242 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 243 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 244 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 245 select BOOT_RAW
232 select CEVT_R4K 246 select CEVT_R4K
233 select CSRC_R4K 247 select CSRC_R4K
234 select DMA_NONCOHERENT 248 select DMA_NONCOHERENT
235 select GPIOLIB 249 select GPIOLIB
236 select PINCTRL 250 select PINCTRL
237 select COMMON_CLK 251 select COMMON_CLK
238 select IRQ_MIPS_CPU 252 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 253 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 254 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 255 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 256 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 257 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 258 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 259 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 260 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 261 help
248 Support for the Atheros AR71XX/AR724 262 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 263
250 config BMIPS_GENERIC 264 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 265 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 266 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 267 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 268 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 269 select BOOT_RAW
255 select NO_EXCEPT_FILL 270 select NO_EXCEPT_FILL
256 select USE_OF 271 select USE_OF
257 select CEVT_R4K 272 select CEVT_R4K
258 select CSRC_R4K 273 select CSRC_R4K
259 select SYNC_R4K 274 select SYNC_R4K
260 select COMMON_CLK 275 select COMMON_CLK
261 select BCM6345_L1_IRQ 276 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 277 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 278 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 279 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 280 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 281 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 282 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 283 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 284 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 285 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 286 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 287 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 288 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 289 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 290 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 291 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 292 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 293 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 294 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 295 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 296 help
285 Build a generic DT-based kernel imag 297 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 298 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 299 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 300 must be set appropriately for your board.
289 301
290 config BCM47XX 302 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 303 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 304 select BOOT_RAW
293 select CEVT_R4K 305 select CEVT_R4K
294 select CSRC_R4K 306 select CSRC_R4K
295 select DMA_NONCOHERENT 307 select DMA_NONCOHERENT
296 select HAVE_PCI 308 select HAVE_PCI
297 select IRQ_MIPS_CPU 309 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 310 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 311 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 312 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 313 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 314 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 315 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 316 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 317 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 318 select GPIOLIB
307 select LEDS_GPIO_REGISTER 319 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 320 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 321 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 322 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 323 help
312 Support for BCM47XX based boards 324 Support for BCM47XX based boards
313 325
314 config BCM63XX 326 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 327 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 328 select BOOT_RAW
317 select CEVT_R4K 329 select CEVT_R4K
318 select CSRC_R4K 330 select CSRC_R4K
319 select SYNC_R4K 331 select SYNC_R4K
320 select DMA_NONCOHERENT 332 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 333 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 334 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 335 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 336 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 337 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 338 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 339 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 340 select SWAP_IO_SPACE
329 select GPIOLIB 341 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 342 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 343 select HAVE_LEGACY_CLK
332 help 344 help
333 Support for BCM63XX based boards 345 Support for BCM63XX based boards
334 346
335 config MIPS_COBALT 347 config MIPS_COBALT
336 bool "Cobalt Server" 348 bool "Cobalt Server"
337 select CEVT_R4K 349 select CEVT_R4K
338 select CSRC_R4K 350 select CSRC_R4K
339 select CEVT_GT641XX 351 select CEVT_GT641XX
340 select DMA_NONCOHERENT 352 select DMA_NONCOHERENT
341 select FORCE_PCI 353 select FORCE_PCI
342 select I8253 354 select I8253
343 select I8259 355 select I8259
344 select IRQ_MIPS_CPU 356 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 357 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 358 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 359 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 360 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 361 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 362 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 363 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 364 select USE_GENERIC_EARLY_PRINTK_8250
353 365
354 config MACH_DECSTATION 366 config MACH_DECSTATION
355 bool "DECstations" 367 bool "DECstations"
356 select BOOT_ELF32 368 select BOOT_ELF32
357 select CEVT_DS1287 369 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 370 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 371 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 372 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 373 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 374 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 375 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 376 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 377 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 378 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 379 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 380 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 381 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 382 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 383 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 384 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 385 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 386 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 387 select MIPS_L1_CACHE_SHIFT_4
376 help 388 help
377 This enables support for DEC's MIPS 389 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 390 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 391 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 392
381 If you have one of the following DEC 393 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 394 want to choose R4xx0 for the CPU Type:
383 395
384 DECstation 5000/50 396 DECstation 5000/50
385 DECstation 5000/150 397 DECstation 5000/150
386 DECstation 5000/260 398 DECstation 5000/260
387 DECsystem 5900/260 399 DECsystem 5900/260
388 400
389 otherwise choose R3000. 401 otherwise choose R3000.
390 402
391 config MACH_JAZZ 403 config MACH_JAZZ
392 bool "Jazz family of machines" 404 bool "Jazz family of machines"
393 select ARC_MEMORY 405 select ARC_MEMORY
394 select ARC_PROMLIB 406 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 407 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 408 select ARCH_MIGHT_HAVE_PC_SERIO
>> 409 select DMA_OPS
397 select FW_ARC 410 select FW_ARC
398 select FW_ARC32 411 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 412 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 413 select CEVT_R4K
401 select CSRC_R4K 414 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 415 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 416 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 417 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 418 select IRQ_MIPS_CPU
406 select I8253 419 select I8253
407 select I8259 420 select I8259
408 select ISA 421 select ISA
409 select SYS_HAS_CPU_R4X00 422 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 423 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 424 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 425 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 426 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 427 help
415 This a family of machines based on t 428 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 429 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 430 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 431 Olivetti M700-10 workstations.
419 432
420 config MACH_INGENIC_SOC 433 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 434 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 435 select MIPS_GENERIC
423 select MACH_INGENIC 436 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 437 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 438 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 439 select MIPS_EXTERNAL_TIMER
428 440
429 config LANTIQ 441 config LANTIQ
430 bool "Lantiq based platforms" 442 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 443 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 444 select IRQ_MIPS_CPU
433 select CEVT_R4K 445 select CEVT_R4K
434 select CSRC_R4K 446 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 447 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 448 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 449 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 450 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 451 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 452 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 453 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 454 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 455 select GPIOLIB
445 select SWAP_IO_SPACE 456 select SWAP_IO_SPACE
446 select BOOT_RAW 457 select BOOT_RAW
447 select HAVE_LEGACY_CLK 458 select HAVE_LEGACY_CLK
448 select USE_OF 459 select USE_OF
449 select PINCTRL 460 select PINCTRL
450 select PINCTRL_LANTIQ 461 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 462 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 463 select RESET_CONTROLLER
453 464
454 config MACH_LOONGSON32 465 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 466 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 467 select SYS_SUPPORTS_ZBOOT
457 help 468 help
458 This enables support for the Loongso 469 This enables support for the Loongson-1 family of machines.
459 470
460 Loongson-1 is a family of 32-bit MIP 471 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 472 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 473 Sciences (CAS).
463 474
464 config MACH_LOONGSON2EF 475 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 476 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 477 select SYS_SUPPORTS_ZBOOT
467 help 478 help
468 This enables the support of early Lo 479 This enables the support of early Loongson-2E/F family of machines.
469 480
470 config MACH_LOONGSON64 481 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 482 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT 483 select ARCH_DMA_DEFAULT_COHERENT
473 select ARCH_SPARSEMEM_ENABLE 484 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 485 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 486 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 487 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 488 select BOOT_ELF32
478 select BOARD_SCACHE 489 select BOARD_SCACHE
479 select CSRC_R4K 490 select CSRC_R4K
480 select CEVT_R4K 491 select CEVT_R4K
481 select SYNC_R4K !! 492 select CPU_HAS_WB
482 select FORCE_PCI 493 select FORCE_PCI
483 select ISA 494 select ISA
484 select I8259 495 select I8259
485 select IRQ_MIPS_CPU 496 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 497 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 498 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 499 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 500 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 501 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 502 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 503 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 504 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 505 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 506 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 507 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 508 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 509 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 510 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 511 select ZONE_DMA32
501 select COMMON_CLK 512 select COMMON_CLK
502 select USE_OF 513 select USE_OF
503 select BUILTIN_DTB 514 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 515 select PCI_HOST_GENERIC
505 help 516 help
506 This enables the support of Loongson 517 This enables the support of Loongson-2/3 family of machines.
507 518
508 Loongson-2 and Loongson-3 are 64-bit 519 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 520 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 521 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 522 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 523
513 config MIPS_MALTA 524 config MIPS_MALTA
514 bool "MIPS Malta board" 525 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 526 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 527 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 528 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 529 select BOOT_ELF32
519 select BOOT_RAW 530 select BOOT_RAW
520 select BUILTIN_DTB 531 select BUILTIN_DTB
521 select CEVT_R4K 532 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 533 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 534 select COMMON_CLK
524 select CSRC_R4K 535 select CSRC_R4K
525 select DMA_NONCOHERENT 536 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 537 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 538 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 539 select HAVE_PCI
529 select I8253 540 select I8253
530 select I8259 541 select I8259
531 select IRQ_MIPS_CPU 542 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 543 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 544 select MIPS_CPU_SCACHE
534 select MIPS_GIC 545 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 546 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 547 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 548 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 549 select SMP_UP if SMP
539 select SWAP_IO_SPACE 550 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 551 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 552 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 553 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 554 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 555 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 556 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 557 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 558 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 559 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 560 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 561 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 562 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 563 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 564 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 565 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 566 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 567 select SYS_SUPPORTS_MIPS16
>> 568 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 569 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 570 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 571 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 572 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 573 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 574 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 575 select USE_OF
564 select WAR_ICACHE_REFILLS 576 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 577 select ZONE_DMA32 if 64BIT
566 help 578 help
567 This enables support for the MIPS Te 579 This enables support for the MIPS Technologies Malta evaluation
568 board. 580 board.
569 581
570 config MACH_PIC32 582 config MACH_PIC32
571 bool "Microchip PIC32 Family" 583 bool "Microchip PIC32 Family"
572 help 584 help
573 This enables support for the Microch 585 This enables support for the Microchip PIC32 family of platforms.
574 586
575 Microchip PIC32 is a family of gener 587 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 588 microcontrollers.
577 589
578 config EYEQ !! 590 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 591 bool "NEC VR4100 series based machines"
580 select MACH_GENERIC_CORE <<
581 select ARM_AMBA <<
582 select PHYSICAL_START_BOOL <<
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT <<
584 select BOOT_RAW <<
585 select BUILTIN_DTB <<
586 select CEVT_R4K 592 select CEVT_R4K
587 select CLKSRC_MIPS_GIC <<
588 select COMMON_CLK <<
589 select CPU_MIPSR2_IRQ_EI <<
590 select CPU_MIPSR2_IRQ_VI <<
591 select CSRC_R4K 593 select CSRC_R4K
592 select DMA_NONCOHERENT !! 594 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 595 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 596 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC <<
598 select MIPS_L1_CACHE_SHIFT_7 <<
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF <<
617 help <<
618 Select this to build a kernel suppor <<
619 <<
620 bool <<
621 597
622 config MACH_NINTENDO64 598 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 599 bool "Nintendo 64 console"
624 select CEVT_R4K 600 select CEVT_R4K
625 select CSRC_R4K 601 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 602 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 603 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 604 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 605 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 606 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 607 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 608 select IRQ_MIPS_CPU
633 609
634 config RALINK 610 config RALINK
635 bool "Ralink based machines" 611 bool "Ralink based machines"
636 select CEVT_R4K 612 select CEVT_R4K
637 select COMMON_CLK 613 select COMMON_CLK
638 select CSRC_R4K 614 select CSRC_R4K
639 select BOOT_RAW 615 select BOOT_RAW
640 select DMA_NONCOHERENT 616 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 617 select IRQ_MIPS_CPU
642 select USE_OF 618 select USE_OF
>> 619 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 620 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 621 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 622 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 623 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 624 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 625 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 626 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 627 select RESET_CONTROLLER
651 628
652 config MACH_REALTEK_RTL 629 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 630 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 631 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 632 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 633 select IRQ_MIPS_CPU
658 select CSRC_R4K 634 select CSRC_R4K
659 select CEVT_R4K 635 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 636 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 637 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 638 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 639 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 640 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 641 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 642 select SYS_SUPPORTS_VPE_LOADER
>> 643 select SYS_HAS_EARLY_PRINTK
>> 644 select SYS_HAS_EARLY_PRINTK_8250
>> 645 select USE_GENERIC_EARLY_PRINTK_8250
667 select BOOT_RAW 646 select BOOT_RAW
668 select PINCTRL 647 select PINCTRL
669 select USE_OF 648 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 649
672 config SGI_IP22 650 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 651 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 652 select ARC_MEMORY
675 select ARC_PROMLIB 653 select ARC_PROMLIB
676 select FW_ARC 654 select FW_ARC
677 select FW_ARC32 655 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 656 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 657 select BOOT_ELF32
680 select CEVT_R4K 658 select CEVT_R4K
681 select CSRC_R4K 659 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 660 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 661 select DMA_NONCOHERENT
684 select HAVE_EISA 662 select HAVE_EISA
685 select I8253 663 select I8253
686 select I8259 664 select I8259
687 select IP22_CPU_SCACHE 665 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 666 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 667 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 668 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 669 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 670 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 671 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 672 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 673 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 674 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 675 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 676 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 677 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 678 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 679 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 680 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 681 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 682 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 683 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 684 select MIPS_L1_CACHE_SHIFT_7
707 help 685 help
708 This are the SGI Indy, Challenge S a 686 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 687 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 688 that runs on these, say Y here.
711 689
712 config SGI_IP27 690 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 691 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 692 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 693 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 694 select FW_ARC
717 select FW_ARC64 695 select FW_ARC64
718 select ARC_CMDLINE_ONLY 696 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 697 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 698 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 699 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 700 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 701 select HAVE_PCI
724 select IRQ_MIPS_CPU 702 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 703 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 704 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 705 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 706 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 707 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 708 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 709 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 710 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 711 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 712 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 713 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 714 select NUMA
737 help 715 help
738 This are the SGI Origin 200, Origin 716 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 717 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 718 here.
741 719
742 config SGI_IP28 720 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 721 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 722 select ARC_MEMORY
745 select ARC_PROMLIB 723 select ARC_PROMLIB
746 select FW_ARC 724 select FW_ARC
747 select FW_ARC64 725 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 726 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 727 select BOOT_ELF64
750 select CEVT_R4K 728 select CEVT_R4K
751 select CSRC_R4K 729 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 730 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 731 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 732 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 733 select IRQ_MIPS_CPU
756 select HAVE_EISA 734 select HAVE_EISA
757 select I8253 735 select I8253
758 select I8259 736 select I8259
759 select SGI_HAS_I8042 737 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 738 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 739 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 740 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 741 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 742 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 743 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 744 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 745 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 746 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 747 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 748 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 749 select MIPS_L1_CACHE_SHIFT_7
772 help 750 help
773 This is the SGI Indigo2 with R10000 751 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 752 kernel that runs on these, say Y here.
775 753
776 config SGI_IP30 754 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 755 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 756 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 757 select FW_ARC
780 select FW_ARC64 758 select FW_ARC64
781 select BOOT_ELF64 759 select BOOT_ELF64
782 select CEVT_R4K 760 select CEVT_R4K
783 select CSRC_R4K 761 select CSRC_R4K
784 select FORCE_PCI 762 select FORCE_PCI
785 select SYNC_R4K if SMP 763 select SYNC_R4K if SMP
786 select ZONE_DMA32 764 select ZONE_DMA32
787 select HAVE_PCI 765 select HAVE_PCI
788 select IRQ_MIPS_CPU 766 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 767 select IRQ_DOMAIN_HIERARCHY
>> 768 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 769 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 770 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 771 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 772 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 773 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 774 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 775 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 776 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 777 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 778 select ARC_MEMORY
800 help 779 help
801 These are the SGI Octane and Octane2 780 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 781 compile a Linux kernel that runs on these, say Y here.
803 782
804 config SGI_IP32 783 config SGI_IP32
805 bool "SGI IP32 (O2)" 784 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 785 select ARC_MEMORY
807 select ARC_PROMLIB 786 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 787 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 788 select FW_ARC
810 select FW_ARC32 789 select FW_ARC32
811 select BOOT_ELF32 790 select BOOT_ELF32
812 select CEVT_R4K 791 select CEVT_R4K
813 select CSRC_R4K 792 select CSRC_R4K
814 select DMA_NONCOHERENT 793 select DMA_NONCOHERENT
815 select HAVE_PCI 794 select HAVE_PCI
816 select IRQ_MIPS_CPU 795 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 796 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 797 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 798 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 799 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 800 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 801 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 802 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 803 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 804 select WAR_ICACHE_REFILLS
826 help 805 help
827 If you want this kernel to run on SG 806 If you want this kernel to run on SGI O2 workstation, say Y here.
828 807
>> 808 config SIBYTE_CRHINE
>> 809 bool "Sibyte BCM91120C-CRhine"
>> 810 select BOOT_ELF32
>> 811 select SIBYTE_BCM1120
>> 812 select SWAP_IO_SPACE
>> 813 select SYS_HAS_CPU_SB1
>> 814 select SYS_SUPPORTS_BIG_ENDIAN
>> 815 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 816
>> 817 config SIBYTE_CARMEL
>> 818 bool "Sibyte BCM91120x-Carmel"
>> 819 select BOOT_ELF32
>> 820 select SIBYTE_BCM1120
>> 821 select SWAP_IO_SPACE
>> 822 select SYS_HAS_CPU_SB1
>> 823 select SYS_SUPPORTS_BIG_ENDIAN
>> 824 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 825
829 config SIBYTE_CRHONE 826 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 827 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 828 select BOOT_ELF32
832 select SIBYTE_BCM1125 829 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 830 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 831 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 832 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 833 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 834 select SYS_SUPPORTS_LITTLE_ENDIAN
838 835
839 config SIBYTE_RHONE 836 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 837 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 838 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 839 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 840 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 841 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 842 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 843 select SYS_SUPPORTS_LITTLE_ENDIAN
847 844
848 config SIBYTE_SWARM 845 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 846 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 847 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 848 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 849 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 850 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 851 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 852 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 853 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 854 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 855 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 856 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 857
861 config SIBYTE_LITTLESUR 858 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 859 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 860 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 861 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 862 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 863 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 864 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 865 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 866 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 867 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 868 select ZONE_DMA32 if 64BIT
872 869
873 config SIBYTE_SENTOSA 870 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 871 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 872 select BOOT_ELF32
876 select SIBYTE_SB1250 873 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 874 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 875 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 876 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 877 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 878 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 879
883 config SIBYTE_BIGSUR 880 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 881 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 882 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 883 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 884 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 885 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 886 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 887 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 888 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 889 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 890 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 891 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 892
896 config SNI_RM 893 config SNI_RM
897 bool "SNI RM200/300/400" 894 bool "SNI RM200/300/400"
898 select ARC_MEMORY 895 select ARC_MEMORY
899 select ARC_PROMLIB 896 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 897 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 898 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 899 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 900 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 901 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 902 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 903 select BOOT_ELF32
907 select CEVT_R4K 904 select CEVT_R4K
908 select CSRC_R4K 905 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 906 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 907 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 908 select GENERIC_ISA_DMA
912 select HAVE_EISA 909 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 910 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 911 select HAVE_PCI
915 select IRQ_MIPS_CPU 912 select IRQ_MIPS_CPU
916 select I8253 913 select I8253
917 select I8259 914 select I8259
918 select ISA 915 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 916 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 917 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 918 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 919 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 920 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 921 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 922 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 923 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 924 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 925 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 926 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 927 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 928 select WAR_R4600_V2_HIT_CACHEOP
932 help 929 help
933 The SNI RM200/300/400 are MIPS-based 930 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 931 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 932 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 933 support this machine type.
937 934
>> 935 config MACH_TX39XX
>> 936 bool "Toshiba TX39 series based machines"
>> 937
938 config MACH_TX49XX 938 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 939 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 940 select WAR_TX49XX_ICACHE_INDEX_INV
941 941
942 config MIKROTIK_RB532 942 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 943 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 944 select CEVT_R4K
945 select CSRC_R4K 945 select CSRC_R4K
946 select DMA_NONCOHERENT 946 select DMA_NONCOHERENT
947 select HAVE_PCI 947 select HAVE_PCI
948 select IRQ_MIPS_CPU 948 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 949 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 950 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 951 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 952 select SWAP_IO_SPACE
953 select BOOT_RAW 953 select BOOT_RAW
954 select GPIOLIB 954 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 955 select MIPS_L1_CACHE_SHIFT_4
956 help 956 help
957 Support the Mikrotik(tm) RouterBoard 957 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 958 based on the IDT RC32434 SoC.
959 959
960 config CAVIUM_OCTEON_SOC 960 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 961 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 962 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 963 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 964 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 965 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 966 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 967 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 968 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 969 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 970 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 972 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 973 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 974 select HAVE_PCI
975 select HAVE_PLAT_DELAY 975 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 976 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 977 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 978 select ZONE_DMA32
979 select GPIOLIB 979 select GPIOLIB
980 select USE_OF 980 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 981 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 982 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 983 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 984 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 985 select BUILTIN_DTB
986 select MTD 986 select MTD
987 select MTD_COMPLEX_MAPPINGS 987 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 988 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 989 select SYS_SUPPORTS_RELOCATABLE
990 help 990 help
991 This option supports all of the Octe 991 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 992 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 993 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 994 Some of the supported boards are:
995 EBT3000 995 EBT3000
996 EBH3000 996 EBH3000
997 EBH3100 997 EBH3100
998 Thunder 998 Thunder
999 Kodama 999 Kodama
1000 Hikari 1000 Hikari
1001 Say Y here for most Octeon referenc 1001 Say Y here for most Octeon reference boards.
1002 1002
1003 endchoice !! 1003 config NLM_XLR_BOARD
>> 1004 bool "Netlogic XLR/XLS based systems"
>> 1005 select BOOT_ELF32
>> 1006 select NLM_COMMON
>> 1007 select SYS_HAS_CPU_XLR
>> 1008 select SYS_SUPPORTS_SMP
>> 1009 select HAVE_PCI
>> 1010 select SWAP_IO_SPACE
>> 1011 select SYS_SUPPORTS_32BIT_KERNEL
>> 1012 select SYS_SUPPORTS_64BIT_KERNEL
>> 1013 select PHYS_ADDR_T_64BIT
>> 1014 select SYS_SUPPORTS_BIG_ENDIAN
>> 1015 select SYS_SUPPORTS_HIGHMEM
>> 1016 select NR_CPUS_DEFAULT_32
>> 1017 select CEVT_R4K
>> 1018 select CSRC_R4K
>> 1019 select IRQ_MIPS_CPU
>> 1020 select ZONE_DMA32 if 64BIT
>> 1021 select SYNC_R4K
>> 1022 select SYS_HAS_EARLY_PRINTK
>> 1023 select SYS_SUPPORTS_ZBOOT
>> 1024 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1025 help
>> 1026 Support for systems based on Netlogic XLR and XLS processors.
>> 1027 Say Y here if you have a XLR or XLS based board.
1004 1028
1005 config FIT_IMAGE_FDT_EPM5 !! 1029 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1030 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1031 select BOOT_ELF32
1008 default n !! 1032 select NLM_COMMON
>> 1033 select SYS_HAS_CPU_XLP
>> 1034 select SYS_SUPPORTS_SMP
>> 1035 select HAVE_PCI
>> 1036 select SYS_SUPPORTS_32BIT_KERNEL
>> 1037 select SYS_SUPPORTS_64BIT_KERNEL
>> 1038 select PHYS_ADDR_T_64BIT
>> 1039 select GPIOLIB
>> 1040 select SYS_SUPPORTS_BIG_ENDIAN
>> 1041 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1042 select SYS_SUPPORTS_HIGHMEM
>> 1043 select NR_CPUS_DEFAULT_32
>> 1044 select CEVT_R4K
>> 1045 select CSRC_R4K
>> 1046 select IRQ_MIPS_CPU
>> 1047 select ZONE_DMA32 if 64BIT
>> 1048 select SYNC_R4K
>> 1049 select SYS_HAS_EARLY_PRINTK
>> 1050 select USE_OF
>> 1051 select SYS_SUPPORTS_ZBOOT
>> 1052 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1053 help
1010 Enable this to include the FDT for !! 1054 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1055 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1056
>> 1057 endchoice
1013 1058
1014 source "arch/mips/alchemy/Kconfig" 1059 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1060 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1061 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1062 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1063 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1064 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1065 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1066 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1067 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1068 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1069 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1070 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1071 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1072 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1073 source "arch/mips/txx9/Kconfig"
>> 1074 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1075 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1076 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1077 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1078 source "arch/mips/loongson64/Kconfig"
>> 1079 source "arch/mips/netlogic/Kconfig"
1034 1080
1035 endmenu 1081 endmenu
1036 1082
1037 config GENERIC_HWEIGHT 1083 config GENERIC_HWEIGHT
1038 bool 1084 bool
1039 default y 1085 default y
1040 1086
1041 config GENERIC_CALIBRATE_DELAY 1087 config GENERIC_CALIBRATE_DELAY
1042 bool 1088 bool
1043 default y 1089 default y
1044 1090
1045 config SCHED_OMIT_FRAME_POINTER 1091 config SCHED_OMIT_FRAME_POINTER
1046 bool 1092 bool
1047 default y 1093 default y
1048 1094
1049 # 1095 #
1050 # Select some configuration options automatic 1096 # Select some configuration options automatically based on user selections.
1051 # 1097 #
1052 config FW_ARC 1098 config FW_ARC
1053 bool 1099 bool
1054 1100
1055 config ARCH_MAY_HAVE_PC_FDC 1101 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1102 bool
1057 1103
1058 config BOOT_RAW 1104 config BOOT_RAW
1059 bool 1105 bool
1060 1106
1061 config CEVT_BCM1480 1107 config CEVT_BCM1480
1062 bool 1108 bool
1063 1109
1064 config CEVT_DS1287 1110 config CEVT_DS1287
1065 bool 1111 bool
1066 1112
1067 config CEVT_GT641XX 1113 config CEVT_GT641XX
1068 bool 1114 bool
1069 1115
1070 config CEVT_R4K 1116 config CEVT_R4K
1071 bool 1117 bool
1072 1118
1073 config CEVT_SB1250 1119 config CEVT_SB1250
1074 bool 1120 bool
1075 1121
1076 config CEVT_TXX9 1122 config CEVT_TXX9
1077 bool 1123 bool
1078 1124
1079 config CSRC_BCM1480 1125 config CSRC_BCM1480
1080 bool 1126 bool
1081 1127
1082 config CSRC_IOASIC 1128 config CSRC_IOASIC
1083 bool 1129 bool
1084 1130
1085 config CSRC_R4K 1131 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1132 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1133 bool
1089 1134
1090 config CSRC_SB1250 1135 config CSRC_SB1250
1091 bool 1136 bool
1092 1137
1093 config MIPS_CLOCK_VSYSCALL 1138 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1139 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1140
1096 config GPIO_TXX9 1141 config GPIO_TXX9
1097 select GPIOLIB 1142 select GPIOLIB
1098 bool 1143 bool
1099 1144
1100 config FW_CFE 1145 config FW_CFE
1101 bool 1146 bool
1102 1147
1103 config ARCH_SUPPORTS_UPROBES 1148 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1149 bool
>> 1150
>> 1151 config DMA_PERDEV_COHERENT
>> 1152 bool
>> 1153 select ARCH_HAS_SETUP_DMA_OPS
>> 1154 select DMA_NONCOHERENT
1105 1155
1106 config DMA_NONCOHERENT 1156 config DMA_NONCOHERENT
1107 bool 1157 bool
1108 # 1158 #
1109 # MIPS allows mixing "slightly differ 1159 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1160 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1161 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1162 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1163 # significant advantages.
1114 # 1164 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1165 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1166 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1167 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1168 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1169 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1170 select NEED_DMA_MAP_STATE
1123 1171
1124 config SYS_HAS_EARLY_PRINTK 1172 config SYS_HAS_EARLY_PRINTK
1125 bool 1173 bool
1126 1174
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1175 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1176 bool
1129 1177
1130 config MIPS_BONITO64 1178 config MIPS_BONITO64
1131 bool 1179 bool
1132 1180
1133 config MIPS_MSC 1181 config MIPS_MSC
1134 bool 1182 bool
1135 1183
1136 config SYNC_R4K 1184 config SYNC_R4K
1137 bool 1185 bool
1138 1186
1139 config NO_IOPORT_MAP 1187 config NO_IOPORT_MAP
1140 def_bool n 1188 def_bool n
1141 1189
1142 config GENERIC_CSUM 1190 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1191 def_bool CPU_NO_LOAD_STORE_LR
1144 1192
1145 config GENERIC_ISA_DMA 1193 config GENERIC_ISA_DMA
1146 bool 1194 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1195 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1196 select ISA_DMA_API
1149 1197
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1198 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1199 bool
1152 select GENERIC_ISA_DMA 1200 select GENERIC_ISA_DMA
1153 1201
1154 config HAVE_PLAT_DELAY 1202 config HAVE_PLAT_DELAY
1155 bool 1203 bool
1156 1204
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1205 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1206 bool
1159 1207
1160 config HAVE_PLAT_MEMCPY 1208 config HAVE_PLAT_MEMCPY
1161 bool 1209 bool
1162 1210
1163 config ISA_DMA_API 1211 config ISA_DMA_API
1164 bool 1212 bool
1165 1213
1166 config SYS_SUPPORTS_RELOCATABLE 1214 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1215 bool
1168 help 1216 help
1169 Selected if the platform supports r 1217 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1218 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1219 to allow access to command line and entropy sources.
1172 1220
>> 1221 config MIPS_CBPF_JIT
>> 1222 def_bool y
>> 1223 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1224
>> 1225 config MIPS_EBPF_JIT
>> 1226 def_bool y
>> 1227 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1228
>> 1229
1173 # 1230 #
1174 # Endianness selection. Sufficiently obscure 1231 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1232 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1233 # choice statement should be more obvious to the user.
1177 # 1234 #
1178 choice 1235 choice
1179 prompt "Endianness selection" 1236 prompt "Endianness selection"
1180 help 1237 help
1181 Some MIPS machines can be configure 1238 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1239 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1240 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1241 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1242 one or the other endianness.
1186 1243
1187 config CPU_BIG_ENDIAN 1244 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1245 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1246 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1247
1191 config CPU_LITTLE_ENDIAN 1248 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1249 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1250 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1251
1195 endchoice 1252 endchoice
1196 1253
1197 config EXPORT_UASM 1254 config EXPORT_UASM
1198 bool 1255 bool
1199 1256
1200 config SYS_SUPPORTS_APM_EMULATION 1257 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1258 bool
1202 1259
1203 config SYS_SUPPORTS_BIG_ENDIAN 1260 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1261 bool
1205 1262
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1263 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1264 bool
1208 1265
1209 config MIPS_HUGE_TLB_SUPPORT 1266 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1267 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1268
>> 1269 config IRQ_MSP_SLP
>> 1270 bool
>> 1271
>> 1272 config IRQ_MSP_CIC
>> 1273 bool
>> 1274
1212 config IRQ_TXX9 1275 config IRQ_TXX9
1213 bool 1276 bool
1214 1277
1215 config IRQ_GT641XX 1278 config IRQ_GT641XX
1216 bool 1279 bool
1217 1280
1218 config PCI_GT64XXX_PCI0 1281 config PCI_GT64XXX_PCI0
1219 bool 1282 bool
1220 1283
1221 config PCI_XTALK_BRIDGE 1284 config PCI_XTALK_BRIDGE
1222 bool 1285 bool
1223 1286
1224 config NO_EXCEPT_FILL 1287 config NO_EXCEPT_FILL
1225 bool 1288 bool
1226 1289
1227 config MIPS_SPRAM 1290 config MIPS_SPRAM
1228 bool 1291 bool
1229 1292
1230 config SWAP_IO_SPACE 1293 config SWAP_IO_SPACE
1231 bool 1294 bool
1232 1295
1233 config SGI_HAS_INDYDOG 1296 config SGI_HAS_INDYDOG
1234 bool 1297 bool
1235 1298
1236 config SGI_HAS_HAL2 1299 config SGI_HAS_HAL2
1237 bool 1300 bool
1238 1301
1239 config SGI_HAS_SEEQ 1302 config SGI_HAS_SEEQ
1240 bool 1303 bool
1241 1304
1242 config SGI_HAS_WD93 1305 config SGI_HAS_WD93
1243 bool 1306 bool
1244 1307
1245 config SGI_HAS_ZILOG 1308 config SGI_HAS_ZILOG
1246 bool 1309 bool
1247 1310
1248 config SGI_HAS_I8042 1311 config SGI_HAS_I8042
1249 bool 1312 bool
1250 1313
1251 config DEFAULT_SGI_PARTITION 1314 config DEFAULT_SGI_PARTITION
1252 bool 1315 bool
1253 1316
1254 config FW_ARC32 1317 config FW_ARC32
1255 bool 1318 bool
1256 1319
1257 config FW_SNIPROM 1320 config FW_SNIPROM
1258 bool 1321 bool
1259 1322
1260 config BOOT_ELF32 1323 config BOOT_ELF32
1261 bool 1324 bool
1262 1325
1263 config MIPS_L1_CACHE_SHIFT_4 1326 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1327 bool
1265 1328
1266 config MIPS_L1_CACHE_SHIFT_5 1329 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1330 bool
1268 1331
1269 config MIPS_L1_CACHE_SHIFT_6 1332 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1333 bool
1271 1334
1272 config MIPS_L1_CACHE_SHIFT_7 1335 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1336 bool
1274 1337
1275 config MIPS_L1_CACHE_SHIFT 1338 config MIPS_L1_CACHE_SHIFT
1276 int 1339 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1340 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1341 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1342 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1343 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1344 default "5"
1282 1345
1283 config ARC_CMDLINE_ONLY 1346 config ARC_CMDLINE_ONLY
1284 bool 1347 bool
1285 1348
1286 config ARC_CONSOLE 1349 config ARC_CONSOLE
1287 bool "ARC console support" 1350 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1351 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1352
1290 config ARC_MEMORY 1353 config ARC_MEMORY
1291 bool 1354 bool
1292 1355
1293 config ARC_PROMLIB 1356 config ARC_PROMLIB
1294 bool 1357 bool
1295 1358
1296 config FW_ARC64 1359 config FW_ARC64
1297 bool 1360 bool
1298 1361
1299 config BOOT_ELF64 1362 config BOOT_ELF64
1300 bool 1363 bool
1301 1364
1302 menu "CPU selection" 1365 menu "CPU selection"
1303 1366
1304 choice 1367 choice
1305 prompt "CPU type" 1368 prompt "CPU type"
1306 default CPU_R4X00 1369 default CPU_R4X00
1307 1370
1308 config CPU_LOONGSON64 1371 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1372 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1373 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1374 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1375 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1376 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1377 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1378 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1379 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1380 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1381 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1382 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT 1383 select DMA_NONCOHERENT
1322 select WEAK_ORDERING 1384 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1385 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1386 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1387 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1388 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1389 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1390 select GPIOLIB
1329 select SWIOTLB 1391 select SWIOTLB
>> 1392 select HAVE_KVM
>> 1393 help
>> 1394 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1395 cores implements the MIPS64R2 instruction set with many extensions,
>> 1396 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1397 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1398 Loongson-2E/2F is not covered here and will be removed in future.
>> 1399
>> 1400 config LOONGSON3_ENHANCEMENT
>> 1401 bool "New Loongson-3 CPU Enhancements"
>> 1402 default n
>> 1403 depends on CPU_LOONGSON64
>> 1404 help
>> 1405 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1406 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1407 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1408 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1409 Fast TLB refill support, etc.
>> 1410
>> 1411 This option enable those enhancements which are not probed at run
>> 1412 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1413 please say 'N' here. If you want a high-performance kernel to run on
>> 1414 new Loongson-3 machines only, please say 'Y' here.
>> 1415
>> 1416 config CPU_LOONGSON3_WORKAROUNDS
>> 1417 bool "Old Loongson-3 LLSC Workarounds"
>> 1418 default y if SMP
>> 1419 depends on CPU_LOONGSON64
>> 1420 help
>> 1421 Loongson-3 processors have the llsc issues which require workarounds.
>> 1422 Without workarounds the system may hang unexpectedly.
>> 1423
>> 1424 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1425 The workarounds have no significant side effect on them but may
>> 1426 decrease the performance of the system so this option should be
>> 1427 disabled unless the kernel is intended to be run on old systems.
>> 1428
>> 1429 If unsure, please say Y.
>> 1430
>> 1431 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1432 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1433 default y
>> 1434 depends on CPU_LOONGSON64
1330 help 1435 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1436 Loongson-3A R4 and newer have the CPUCFG instruction available for
1332 cores implements the MIPS64R2 instr !! 1437 userland to query CPU capabilities, much like CPUID on x86. This
1333 including most 64-bit Loongson-2 (2 !! 1438 option provides emulation of the instruction on older Loongson
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1439 cores, back to Loongson-3A1000.
1335 Loongson-2E/2F is not covered here !! 1440
>> 1441 If unsure, please say Y.
1336 1442
1337 config CPU_LOONGSON2E 1443 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1444 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1445 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1446 select CPU_LOONGSON2EF
1341 help 1447 help
1342 The Loongson 2E processor implement 1448 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1449 with many extensions.
1344 1450
1345 It has an internal FPGA northbridge 1451 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1452 bonito64.
1347 1453
1348 config CPU_LOONGSON2F 1454 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1455 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1456 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1457 select CPU_LOONGSON2EF
>> 1458 select GPIOLIB
1352 help 1459 help
1353 The Loongson 2F processor implement 1460 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1461 with many extensions.
1355 1462
1356 Loongson2F have built-in DDR2 and P 1463 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1464 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1465 Loongson2E.
1359 1466
1360 config CPU_LOONGSON1B 1467 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1468 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1469 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1470 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1471 select LEDS_GPIO_REGISTER
1365 help 1472 help
1366 The Loongson 1B is a 32-bit SoC, wh 1473 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1474 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1475 instruction set.
1369 1476
1370 config CPU_LOONGSON1C 1477 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1478 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1479 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1480 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1481 select LEDS_GPIO_REGISTER
1375 help 1482 help
1376 The Loongson 1C is a 32-bit SoC, wh 1483 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1484 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1485 instruction set.
1379 1486
1380 config CPU_MIPS32_R1 1487 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1488 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1489 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1490 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1491 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1492 select CPU_SUPPORTS_HIGHMEM
1386 help 1493 help
1387 Choose this option to build a kerne 1494 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1495 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1496 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1497 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1498 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1499 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1500 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1501 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1502 performance.
1396 1503
1397 config CPU_MIPS32_R2 1504 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1505 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1506 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1507 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1508 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1509 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1510 select CPU_SUPPORTS_MSA
>> 1511 select HAVE_KVM
1404 help 1512 help
1405 Choose this option to build a kerne 1513 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1514 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1515 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1516 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1517 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1518
1411 config CPU_MIPS32_R5 1519 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1520 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1521 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1522 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1523 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1524 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1525 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1526 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1527 select MIPS_O32_FP64_SUPPORT
1420 help 1528 help
1421 Choose this option to build a kerne 1529 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1530 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1531 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1532 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1533
1426 config CPU_MIPS32_R6 1534 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1535 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1536 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1537 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1538 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1539 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1540 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1541 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1542 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1543 select MIPS_O32_FP64_SUPPORT
1436 help 1544 help
1437 Choose this option to build a kerne 1545 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1546 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1547 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1548 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1549
1442 config CPU_MIPS64_R1 1550 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1551 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1552 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1553 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1554 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1555 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1556 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1557 select CPU_SUPPORTS_HUGEPAGES
1450 help 1558 help
1451 Choose this option to build a kerne 1559 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1560 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1561 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1562 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1563 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1564 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1565 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1566 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1567 performance.
1460 1568
1461 config CPU_MIPS64_R2 1569 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1570 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1571 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1572 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1573 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1574 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1575 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1576 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1577 select CPU_SUPPORTS_MSA
>> 1578 select HAVE_KVM
1470 help 1579 help
1471 Choose this option to build a kerne 1580 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1581 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1582 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1583 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1584 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1585
1477 config CPU_MIPS64_R5 1586 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1587 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1588 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1589 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1590 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1591 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1592 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1593 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1594 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1595 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1596 select HAVE_KVM
1488 help 1597 help
1489 Choose this option to build a kerne 1598 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1599 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1600 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1601 any hardware known to be based on this release.
1493 1602
1494 config CPU_MIPS64_R6 1603 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1604 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1605 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1606 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1607 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1608 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1609 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1610 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1611 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1612 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1613 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1614 select HAVE_KVM
1506 help 1615 help
1507 Choose this option to build a kerne 1616 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1617 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1618 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1619 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1620
1512 config CPU_P5600 1621 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1622 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1623 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1624 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1625 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1626 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1627 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1628 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1629 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1630 select CPU_MIPSR2_IRQ_EI
>> 1631 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1632 select MIPS_O32_FP64_SUPPORT
1524 help 1633 help
1525 Choose this option to build a kerne 1634 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1635 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1636 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1637 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1638 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1639 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1640 eJTAG and PDtrace.
1532 1641
1533 config CPU_R3000 1642 config CPU_R3000
1534 bool "R3000" 1643 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1644 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1645 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1646 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1647 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1648 select CPU_SUPPORTS_HIGHMEM
1540 help 1649 help
1541 Please make sure to pick the right 1650 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1651 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1652 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1653 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1654 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1655 try to recompile with R3000.
1547 1656
>> 1657 config CPU_TX39XX
>> 1658 bool "R39XX"
>> 1659 depends on SYS_HAS_CPU_TX39XX
>> 1660 select CPU_SUPPORTS_32BIT_KERNEL
>> 1661 select CPU_R3K_TLB
>> 1662
>> 1663 config CPU_VR41XX
>> 1664 bool "R41xx"
>> 1665 depends on SYS_HAS_CPU_VR41XX
>> 1666 select CPU_SUPPORTS_32BIT_KERNEL
>> 1667 select CPU_SUPPORTS_64BIT_KERNEL
>> 1668 help
>> 1669 The options selects support for the NEC VR4100 series of processors.
>> 1670 Only choose this option if you have one of these processors as a
>> 1671 kernel built with this option will not run on any other type of
>> 1672 processor or vice versa.
>> 1673
1548 config CPU_R4300 1674 config CPU_R4300
1549 bool "R4300" 1675 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1676 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1677 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1678 select CPU_SUPPORTS_64BIT_KERNEL
>> 1679 select CPU_HAS_LOAD_STORE_LR
1553 help 1680 help
1554 MIPS Technologies R4300-series proc 1681 MIPS Technologies R4300-series processors.
1555 1682
1556 config CPU_R4X00 1683 config CPU_R4X00
1557 bool "R4x00" 1684 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1685 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1686 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1687 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1688 select CPU_SUPPORTS_HUGEPAGES
1562 help 1689 help
1563 MIPS Technologies R4000-series proc 1690 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1691 the R4000, R4400, R4600, and 4700.
1565 1692
1566 config CPU_TX49XX 1693 config CPU_TX49XX
1567 bool "R49XX" 1694 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1695 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1696 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1697 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1698 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1699 select CPU_SUPPORTS_HUGEPAGES
1573 1700
1574 config CPU_R5000 1701 config CPU_R5000
1575 bool "R5000" 1702 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1703 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1704 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1705 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1706 select CPU_SUPPORTS_HUGEPAGES
1580 help 1707 help
1581 MIPS Technologies R5000-series proc 1708 MIPS Technologies R5000-series processors other than the Nevada.
1582 1709
1583 config CPU_R5500 1710 config CPU_R5500
1584 bool "R5500" 1711 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1712 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1713 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1714 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1715 select CPU_SUPPORTS_HUGEPAGES
1589 help 1716 help
1590 NEC VR5500 and VR5500A series proce 1717 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1718 instruction set.
1592 1719
1593 config CPU_NEVADA 1720 config CPU_NEVADA
1594 bool "RM52xx" 1721 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1722 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1723 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1724 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1725 select CPU_SUPPORTS_HUGEPAGES
1599 help 1726 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1727 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1728
1602 config CPU_R10000 1729 config CPU_R10000
1603 bool "R10000" 1730 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1731 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1732 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1733 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1734 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1735 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1736 select CPU_SUPPORTS_HUGEPAGES
1610 help 1737 help
1611 MIPS Technologies R10000-series pro 1738 MIPS Technologies R10000-series processors.
1612 1739
1613 config CPU_RM7000 1740 config CPU_RM7000
1614 bool "RM7000" 1741 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1742 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1743 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1744 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1745 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1746 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1747 select CPU_SUPPORTS_HUGEPAGES
1621 1748
1622 config CPU_SB1 1749 config CPU_SB1
1623 bool "SB1" 1750 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1751 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1752 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1753 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1754 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1755 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1756 select WEAK_ORDERING
1630 1757
1631 config CPU_CAVIUM_OCTEON 1758 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1759 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1760 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1761 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1762 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 1763 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1764 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1765 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1766 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1767 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1768 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1769 select HAVE_KVM
1645 help 1770 help
1646 The Cavium Octeon processor is a hi 1771 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1772 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1773 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1774 Full details can be found at http://www.caviumnetworks.com.
1650 1775
1651 config CPU_BMIPS 1776 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1777 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1778 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1779 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1780 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1781 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1782 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1783 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1784 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1785 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1786 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1787 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1788 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1789 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1790 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1791 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1792 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1793 help
1670 Support for BMIPS32/3300/4350/4380 1794 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1795
1672 endchoice !! 1796 config CPU_XLR
1673 !! 1797 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1798 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1799 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1800 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1801 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1802 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1803 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1804 select WEAK_REORDERING_BEYOND_LLSC
1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc <<
1682 Local register, Read-Inhibit/Execut <<
1683 Fast TLB refill support, etc. <<
1684 <<
1685 This option enable those enhancemen <<
1686 time. If you want a generic kernel <<
1687 please say 'N' here. If you want a <<
1688 new Loongson-3 machines only, pleas <<
1689 <<
1690 config CPU_LOONGSON3_WORKAROUNDS <<
1691 bool "Loongson-3 LLSC Workarounds" <<
1692 default y if SMP <<
1693 depends on CPU_LOONGSON64 <<
1694 help 1805 help
1695 Loongson-3 processors have the llsc !! 1806 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 1807
1698 Say Y, unless you know what you are !! 1808 config CPU_XLP
1699 !! 1809 bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1810 depends on SYS_HAS_CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1811 select CPU_SUPPORTS_32BIT_KERNEL
1702 default y !! 1812 select CPU_SUPPORTS_64BIT_KERNEL
1703 depends on CPU_LOONGSON64 !! 1813 select CPU_SUPPORTS_HIGHMEM
>> 1814 select WEAK_ORDERING
>> 1815 select WEAK_REORDERING_BEYOND_LLSC
>> 1816 select CPU_HAS_PREFETCH
>> 1817 select CPU_MIPSR2
>> 1818 select CPU_SUPPORTS_HUGEPAGES
>> 1819 select MIPS_ASID_BITS_VARIABLE
1704 help 1820 help
1705 Loongson-3A R4 and newer have the C !! 1821 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1822 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1823
1712 config CPU_MIPS32_3_5_FEATURES 1824 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1825 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1826 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1827 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1828 CPU_P5600
1717 help 1829 help
1718 Choose this option to build a kerne 1830 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1831 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1832 support for Enhanced Virtual Addressing (EVA).
1721 1833
1722 config CPU_MIPS32_3_5_EVA 1834 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1835 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1836 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1837 select EVA
1726 default y 1838 default y
1727 help 1839 help
1728 Choose this option if you want to e 1840 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1841 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1842 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1843 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1844
1733 config CPU_MIPS32_R5_FEATURES 1845 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1846 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1847 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1848 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1849 help
1738 Choose this option to build a kerne 1850 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1851 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1852 support for Extended Physical Addressing (XPA).
1741 1853
1742 config CPU_MIPS32_R5_XPA 1854 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1855 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1856 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1857 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1858 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1859 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1860 select XPA
1749 select HIGHMEM 1861 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1862 select PHYS_ADDR_T_64BIT
1751 default n 1863 default n
1752 help 1864 help
1753 Choose this option if you want to e 1865 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1866 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1867 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1868 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1869 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1870 If unsure, say 'N' here.
1759 1871
1760 if CPU_LOONGSON2F 1872 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1873 config CPU_NOP_WORKAROUNDS
1762 bool 1874 bool
1763 1875
1764 config CPU_JUMP_WORKAROUNDS 1876 config CPU_JUMP_WORKAROUNDS
1765 bool 1877 bool
1766 1878
1767 config CPU_LOONGSON2F_WORKAROUNDS 1879 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1880 bool "Loongson 2F Workarounds"
1769 default y 1881 default y
1770 select CPU_NOP_WORKAROUNDS 1882 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1883 select CPU_JUMP_WORKAROUNDS
1772 help 1884 help
1773 Loongson 2F01 / 2F02 processors hav 1885 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1886 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1887 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1888 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1889
1778 Loongson 2F03 and later have fixed 1890 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1891 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1892 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1893 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1894 systems.
1783 1895
1784 If unsure, please say Y. 1896 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1897 endif # CPU_LOONGSON2F
1786 1898
1787 config SYS_SUPPORTS_ZBOOT 1899 config SYS_SUPPORTS_ZBOOT
1788 bool 1900 bool
1789 select HAVE_KERNEL_GZIP 1901 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1902 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1903 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1904 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1905 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1906 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1907 select HAVE_KERNEL_ZSTD
1796 1908
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1909 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1910 bool
1799 select SYS_SUPPORTS_ZBOOT 1911 select SYS_SUPPORTS_ZBOOT
1800 1912
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1913 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1914 bool
1803 select SYS_SUPPORTS_ZBOOT 1915 select SYS_SUPPORTS_ZBOOT
1804 1916
1805 config CPU_LOONGSON2EF 1917 config CPU_LOONGSON2EF
1806 bool 1918 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1919 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1920 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1921 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1922 select CPU_SUPPORTS_HUGEPAGES
>> 1923 select ARCH_HAS_PHYS_TO_DMA
1811 1924
1812 config CPU_LOONGSON32 1925 config CPU_LOONGSON32
1813 bool 1926 bool
1814 select CPU_MIPS32 1927 select CPU_MIPS32
1815 select CPU_MIPSR2 1928 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1929 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1930 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1931 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1932 select CPU_SUPPORTS_CPUFREQ
1820 1933
1821 config CPU_BMIPS32_3300 1934 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1935 select SMP_UP if SMP
1823 bool 1936 bool
1824 1937
1825 config CPU_BMIPS4350 1938 config CPU_BMIPS4350
1826 bool 1939 bool
1827 select SYS_SUPPORTS_SMP 1940 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1941 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1942
1830 config CPU_BMIPS4380 1943 config CPU_BMIPS4380
1831 bool 1944 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1945 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1946 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1947 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1948 select CPU_HAS_RIXI
1836 1949
1837 config CPU_BMIPS5000 1950 config CPU_BMIPS5000
1838 bool 1951 bool
1839 select MIPS_CPU_SCACHE 1952 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1953 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1954 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1955 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1956 select CPU_HAS_RIXI
1844 1957
1845 config SYS_HAS_CPU_LOONGSON64 1958 config SYS_HAS_CPU_LOONGSON64
1846 bool 1959 bool
1847 select CPU_SUPPORTS_CPUFREQ 1960 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1961 select CPU_HAS_RIXI
1849 1962
1850 config SYS_HAS_CPU_LOONGSON2E 1963 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1964 bool
1852 1965
1853 config SYS_HAS_CPU_LOONGSON2F 1966 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1967 bool
1855 select CPU_SUPPORTS_CPUFREQ 1968 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1969 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1970
1858 config SYS_HAS_CPU_LOONGSON1B 1971 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1972 bool
1860 1973
1861 config SYS_HAS_CPU_LOONGSON1C 1974 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1975 bool
1863 1976
1864 config SYS_HAS_CPU_MIPS32_R1 1977 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1978 bool
1866 1979
1867 config SYS_HAS_CPU_MIPS32_R2 1980 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1981 bool
1869 1982
1870 config SYS_HAS_CPU_MIPS32_R3_5 1983 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1984 bool
1872 1985
1873 config SYS_HAS_CPU_MIPS32_R5 1986 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1987 bool
>> 1988 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1989
1876 config SYS_HAS_CPU_MIPS32_R6 1990 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1991 bool
>> 1992 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1993
1879 config SYS_HAS_CPU_MIPS64_R1 1994 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1995 bool
1881 1996
1882 config SYS_HAS_CPU_MIPS64_R2 1997 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1998 bool
1884 1999
1885 config SYS_HAS_CPU_MIPS64_R5 2000 config SYS_HAS_CPU_MIPS64_R5
1886 bool 2001 bool
>> 2002 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 2003
1888 config SYS_HAS_CPU_MIPS64_R6 2004 config SYS_HAS_CPU_MIPS64_R6
1889 bool 2005 bool
>> 2006 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 2007
1891 config SYS_HAS_CPU_P5600 2008 config SYS_HAS_CPU_P5600
1892 bool 2009 bool
>> 2010 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 2011
1894 config SYS_HAS_CPU_R3000 2012 config SYS_HAS_CPU_R3000
1895 bool 2013 bool
1896 2014
>> 2015 config SYS_HAS_CPU_TX39XX
>> 2016 bool
>> 2017
>> 2018 config SYS_HAS_CPU_VR41XX
>> 2019 bool
>> 2020
1897 config SYS_HAS_CPU_R4300 2021 config SYS_HAS_CPU_R4300
1898 bool 2022 bool
1899 2023
1900 config SYS_HAS_CPU_R4X00 2024 config SYS_HAS_CPU_R4X00
1901 bool 2025 bool
1902 2026
1903 config SYS_HAS_CPU_TX49XX 2027 config SYS_HAS_CPU_TX49XX
1904 bool 2028 bool
1905 2029
1906 config SYS_HAS_CPU_R5000 2030 config SYS_HAS_CPU_R5000
1907 bool 2031 bool
1908 2032
1909 config SYS_HAS_CPU_R5500 2033 config SYS_HAS_CPU_R5500
1910 bool 2034 bool
1911 2035
1912 config SYS_HAS_CPU_NEVADA 2036 config SYS_HAS_CPU_NEVADA
1913 bool 2037 bool
1914 2038
1915 config SYS_HAS_CPU_R10000 2039 config SYS_HAS_CPU_R10000
1916 bool 2040 bool
>> 2041 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2042
1918 config SYS_HAS_CPU_RM7000 2043 config SYS_HAS_CPU_RM7000
1919 bool 2044 bool
1920 2045
1921 config SYS_HAS_CPU_SB1 2046 config SYS_HAS_CPU_SB1
1922 bool 2047 bool
1923 2048
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2049 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2050 bool
1926 2051
1927 config SYS_HAS_CPU_BMIPS 2052 config SYS_HAS_CPU_BMIPS
1928 bool 2053 bool
1929 2054
1930 config SYS_HAS_CPU_BMIPS32_3300 2055 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2056 bool
1932 select SYS_HAS_CPU_BMIPS 2057 select SYS_HAS_CPU_BMIPS
1933 2058
1934 config SYS_HAS_CPU_BMIPS4350 2059 config SYS_HAS_CPU_BMIPS4350
1935 bool 2060 bool
1936 select SYS_HAS_CPU_BMIPS 2061 select SYS_HAS_CPU_BMIPS
1937 2062
1938 config SYS_HAS_CPU_BMIPS4380 2063 config SYS_HAS_CPU_BMIPS4380
1939 bool 2064 bool
1940 select SYS_HAS_CPU_BMIPS 2065 select SYS_HAS_CPU_BMIPS
1941 2066
1942 config SYS_HAS_CPU_BMIPS5000 2067 config SYS_HAS_CPU_BMIPS5000
1943 bool 2068 bool
1944 select SYS_HAS_CPU_BMIPS 2069 select SYS_HAS_CPU_BMIPS
>> 2070 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2071
>> 2072 config SYS_HAS_CPU_XLR
>> 2073 bool
>> 2074
>> 2075 config SYS_HAS_CPU_XLP
>> 2076 bool
1945 2077
1946 # 2078 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2079 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2080 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2081 #
1950 config WEAK_ORDERING 2082 config WEAK_ORDERING
1951 bool 2083 bool
1952 2084
1953 # 2085 #
1954 # CPU may reorder reads and writes beyond LL/ 2086 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2087 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2088 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2089 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2090 bool
1959 endmenu 2091 endmenu
1960 2092
1961 # 2093 #
1962 # These two indicate any level of the MIPS32 2094 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2095 #
1964 config CPU_MIPS32 2096 config CPU_MIPS32
1965 bool 2097 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2098 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2099 CPU_MIPS32_R6 || CPU_P5600
1968 2100
1969 config CPU_MIPS64 2101 config CPU_MIPS64
1970 bool 2102 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2103 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 2104 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 2105
1974 # 2106 #
1975 # These indicate the revision of the architec 2107 # These indicate the revision of the architecture
1976 # 2108 #
1977 config CPU_MIPSR1 2109 config CPU_MIPSR1
1978 bool 2110 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2111 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2112
1981 config CPU_MIPSR2 2113 config CPU_MIPSR2
1982 bool 2114 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2115 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2116 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2117 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2118 select MIPS_SPRAM
1987 2119
1988 config CPU_MIPSR5 2120 config CPU_MIPSR5
1989 bool 2121 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2122 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2123 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2124 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2125 select MIPS_SPRAM
1994 2126
1995 config CPU_MIPSR6 2127 config CPU_MIPSR6
1996 bool 2128 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2129 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2130 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2131 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2132 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2133 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2134 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2135 select MIPS_SPRAM
2004 2136
2005 config TARGET_ISA_REV 2137 config TARGET_ISA_REV
2006 int 2138 int
2007 default 1 if CPU_MIPSR1 2139 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2140 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2141 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2142 default 6 if CPU_MIPSR6
2011 default 0 2143 default 0
2012 help 2144 help
2013 Reflects the ISA revision being tar 2145 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2146 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2147
2016 config EVA 2148 config EVA
2017 bool 2149 bool
2018 2150
2019 config XPA 2151 config XPA
2020 bool 2152 bool
2021 2153
2022 config SYS_SUPPORTS_32BIT_KERNEL 2154 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2155 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2156 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2157 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2158 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2159 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2160 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2161 bool
2030 config CPU_SUPPORTS_CPUFREQ 2162 config CPU_SUPPORTS_CPUFREQ
2031 bool 2163 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2164 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2165 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2166 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2167 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2168 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2169 config MIPS_PGD_C0_CONTEXT
2040 bool 2170 bool
2041 depends on 64BIT 2171 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR !! 2172 default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2043 2173
2044 # 2174 #
2045 # Set to y for ptrace access to watch registe 2175 # Set to y for ptrace access to watch registers.
2046 # 2176 #
2047 config HARDWARE_WATCHPOINTS 2177 config HARDWARE_WATCHPOINTS
2048 bool 2178 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2179 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2180
2051 menu "Kernel type" 2181 menu "Kernel type"
2052 2182
2053 choice 2183 choice
2054 prompt "Kernel code model" 2184 prompt "Kernel code model"
2055 help 2185 help
2056 You should only select this option 2186 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2187 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2188 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2189 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2190
2061 config 32BIT 2191 config 32BIT
2062 bool "32-bit kernel" 2192 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2193 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2194 select TRAD_SIGNALS
2065 help 2195 help
2066 Select this option if you want to b 2196 Select this option if you want to build a 32-bit kernel.
2067 2197
2068 config 64BIT 2198 config 64BIT
2069 bool "64-bit kernel" 2199 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2200 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2201 help
2072 Select this option if you want to b 2202 Select this option if you want to build a 64-bit kernel.
2073 2203
2074 endchoice 2204 endchoice
2075 2205
2076 config MIPS_VA_BITS_48 2206 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2207 bool "48 bits virtual memory"
2078 depends on 64BIT 2208 depends on 64BIT
2079 help 2209 help
2080 Support a maximum at least 48 bits 2210 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2211 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2212 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2213 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2214 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2215 overhead as well as slower TLB fault handling.
2086 2216
2087 If unsure, say N. 2217 If unsure, say N.
2088 2218
2089 config ZBOOT_LOAD_ADDRESS !! 2219 choice
2090 hex "Compressed kernel load address" !! 2220 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2221 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2222
2097 This is only used if non-zero. !! 2223 config PAGE_SIZE_4KB
>> 2224 bool "4kB"
>> 2225 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2226 help
>> 2227 This option select the standard 4kB Linux page size. On some
>> 2228 R3000-family processors this is the only available page size. Using
>> 2229 4kB page size will minimize memory consumption and is therefore
>> 2230 recommended for low memory systems.
>> 2231
>> 2232 config PAGE_SIZE_8KB
>> 2233 bool "8kB"
>> 2234 depends on CPU_CAVIUM_OCTEON
>> 2235 depends on !MIPS_VA_BITS_48
>> 2236 help
>> 2237 Using 8kB page size will result in higher performance kernel at
>> 2238 the price of higher memory consumption. This option is available
>> 2239 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2240 distribution to support this.
>> 2241
>> 2242 config PAGE_SIZE_16KB
>> 2243 bool "16kB"
>> 2244 depends on !CPU_R3000 && !CPU_TX39XX
>> 2245 help
>> 2246 Using 16kB page size will result in higher performance kernel at
>> 2247 the price of higher memory consumption. This option is available on
>> 2248 all non-R3000 family processors. Note that you will need a suitable
>> 2249 Linux distribution to support this.
>> 2250
>> 2251 config PAGE_SIZE_32KB
>> 2252 bool "32kB"
>> 2253 depends on CPU_CAVIUM_OCTEON
>> 2254 depends on !MIPS_VA_BITS_48
>> 2255 help
>> 2256 Using 32kB page size will result in higher performance kernel at
>> 2257 the price of higher memory consumption. This option is available
>> 2258 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2259 distribution to support this.
>> 2260
>> 2261 config PAGE_SIZE_64KB
>> 2262 bool "64kB"
>> 2263 depends on !CPU_R3000 && !CPU_TX39XX
>> 2264 help
>> 2265 Using 64kB page size will result in higher performance kernel at
>> 2266 the price of higher memory consumption. This option is available on
>> 2267 all non-R3000 family processor. Not that at the time of this
>> 2268 writing this option is still high experimental.
>> 2269
>> 2270 endchoice
2098 2271
2099 config ARCH_FORCE_MAX_ORDER !! 2272 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2273 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2274 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2275 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2276 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2277 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2278 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2279 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2280 range 0 64
>> 2281 default "11"
2105 help 2282 help
2106 The kernel memory allocator divides 2283 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2284 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2285 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2286 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2287 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2288 increase this value.
2112 2289
>> 2290 This config option is actually maximum order plus one. For example,
>> 2291 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2292
2113 The page size is not necessarily 4K 2293 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2294 when choosing a value for this option.
2115 2295
2116 config BOARD_SCACHE 2296 config BOARD_SCACHE
2117 bool 2297 bool
2118 2298
2119 config IP22_CPU_SCACHE 2299 config IP22_CPU_SCACHE
2120 bool 2300 bool
2121 select BOARD_SCACHE 2301 select BOARD_SCACHE
2122 2302
2123 # 2303 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2304 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2305 #
2126 config MIPS_CPU_SCACHE 2306 config MIPS_CPU_SCACHE
2127 bool 2307 bool
2128 select BOARD_SCACHE 2308 select BOARD_SCACHE
2129 2309
2130 config R5000_CPU_SCACHE 2310 config R5000_CPU_SCACHE
2131 bool 2311 bool
2132 select BOARD_SCACHE 2312 select BOARD_SCACHE
2133 2313
2134 config RM7000_CPU_SCACHE 2314 config RM7000_CPU_SCACHE
2135 bool 2315 bool
2136 select BOARD_SCACHE 2316 select BOARD_SCACHE
2137 2317
2138 config SIBYTE_DMA_PAGEOPS 2318 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2319 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2320 depends on CPU_SB1
2141 help 2321 help
2142 Instead of using the CPU to zero an 2322 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2323 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2324 SiByte Linux port. Seems to give a small performance benefit.
2145 2325
2146 config CPU_HAS_PREFETCH 2326 config CPU_HAS_PREFETCH
2147 bool 2327 bool
2148 2328
2149 config CPU_GENERIC_DUMP_TLB 2329 config CPU_GENERIC_DUMP_TLB
2150 bool 2330 bool
2151 default y if !CPU_R3000 !! 2331 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2332
2153 config MIPS_FP_SUPPORT 2333 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2334 bool "Floating Point support" if EXPERT
2155 default y 2335 default y
2156 help 2336 help
2157 Select y to include support for flo 2337 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2338 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2339 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2340 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2341 receive a SIGILL.
2162 2342
2163 If you know that your userland will 2343 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2344 instructions then you can say n here to shrink the kernel a little.
2165 2345
2166 If unsure, say y. 2346 If unsure, say y.
2167 2347
2168 config CPU_R2300_FPU 2348 config CPU_R2300_FPU
2169 bool 2349 bool
2170 depends on MIPS_FP_SUPPORT 2350 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2351 default y if CPU_R3000 || CPU_TX39XX
2172 2352
2173 config CPU_R3K_TLB 2353 config CPU_R3K_TLB
2174 bool 2354 bool
2175 2355
2176 config CPU_R4K_FPU 2356 config CPU_R4K_FPU
2177 bool 2357 bool
2178 depends on MIPS_FP_SUPPORT 2358 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2359 default y if !CPU_R2300_FPU
2180 2360
2181 config CPU_R4K_CACHE_TLB 2361 config CPU_R4K_CACHE_TLB
2182 bool 2362 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2363 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2364
2185 config MIPS_MT_SMP 2365 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2366 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2367 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2368 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2369 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2370 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2371 select SYNC_R4K
2193 select MIPS_MT 2372 select MIPS_MT
2194 select SMP 2373 select SMP
2195 select SMP_UP 2374 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2375 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2376 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2377 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2378 help
2200 This is a kernel model which is kno 2379 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2380 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2381 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2382 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2383 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2384
2206 config MIPS_MT 2385 config MIPS_MT
2207 bool 2386 bool
2208 2387
2209 config SCHED_SMT 2388 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2389 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2390 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2391 default n
2213 help 2392 help
2214 SMT scheduler support improves the 2393 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2394 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2395 increased overhead in some places. If unsure say N here.
2217 2396
2218 config SYS_SUPPORTS_SCHED_SMT 2397 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2398 bool
2220 2399
2221 config SYS_SUPPORTS_MULTITHREADING 2400 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2401 bool
2223 2402
2224 config MIPS_MT_FPAFF 2403 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2404 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2405 default y
2227 depends on MIPS_MT_SMP 2406 depends on MIPS_MT_SMP
2228 2407
2229 config MIPSR2_TO_R6_EMULATOR 2408 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2409 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2410 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2411 depends on MIPS_FP_SUPPORT
2233 default y 2412 default y
2234 help 2413 help
2235 Choose this option if you want to r 2414 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2415 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2416 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2417 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2418 final kernel image.
2240 2419
2241 config SYS_SUPPORTS_VPE_LOADER 2420 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2421 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2422 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2423 help
2245 Indicates that the platform support 2424 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2425 physical_memsize.
2247 2426
2248 config MIPS_VPE_LOADER 2427 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2428 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2429 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2430 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2431 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2432 select MIPS_MT
2254 help 2433 help
2255 Includes a loader for loading an el 2434 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2435 onto another VPE and running it.
2257 2436
>> 2437 config MIPS_VPE_LOADER_CMP
>> 2438 bool
>> 2439 default "y"
>> 2440 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2441
2258 config MIPS_VPE_LOADER_MT 2442 config MIPS_VPE_LOADER_MT
2259 bool 2443 bool
2260 default "y" 2444 default "y"
2261 depends on MIPS_VPE_LOADER !! 2445 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2446
2263 config MIPS_VPE_LOADER_TOM 2447 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2448 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2449 depends on MIPS_VPE_LOADER
2266 default y 2450 default y
2267 help 2451 help
2268 The loader can use memory that is p 2452 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2453 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2454 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2455 program requires is less or equal to the amount physically present.
2272 2456
2273 config MIPS_VPE_APSP_API 2457 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2458 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2459 depends on MIPS_VPE_LOADER
2276 2460
>> 2461 config MIPS_VPE_APSP_API_CMP
>> 2462 bool
>> 2463 default "y"
>> 2464 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2465
2277 config MIPS_VPE_APSP_API_MT 2466 config MIPS_VPE_APSP_API_MT
2278 bool 2467 bool
2279 default "y" 2468 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2469 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2470
>> 2471 config MIPS_CMP
>> 2472 bool "MIPS CMP framework support (DEPRECATED)"
>> 2473 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2474 select SMP
>> 2475 select SYNC_R4K
>> 2476 select SYS_SUPPORTS_SMP
>> 2477 select WEAK_ORDERING
>> 2478 default n
>> 2479 help
>> 2480 Select this if you are using a bootloader which implements the "CMP
>> 2481 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2482 its ability to start secondary CPUs.
>> 2483
>> 2484 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2485 instead of this.
2281 2486
2282 config MIPS_CPS 2487 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2488 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2489 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2490 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2491 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2492 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2493 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2494 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2495 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2496 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2497 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2498 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2499 help
2296 Select this if you wish to run an S 2500 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2501 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2502 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2503 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2504 support is unavailable.
2301 2505
2302 config MIPS_CPS_PM 2506 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2507 depends on MIPS_CPS
2304 bool 2508 bool
2305 2509
2306 config MIPS_CM 2510 config MIPS_CM
2307 bool 2511 bool
2308 select MIPS_CPC 2512 select MIPS_CPC
2309 2513
2310 config MIPS_CPC 2514 config MIPS_CPC
2311 bool 2515 bool
2312 2516
2313 config SB1_PASS_2_WORKAROUNDS 2517 config SB1_PASS_2_WORKAROUNDS
2314 bool 2518 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2519 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2520 default y
2317 2521
2318 config SB1_PASS_2_1_WORKAROUNDS 2522 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2523 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2524 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2525 default y
2322 2526
2323 choice 2527 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2528 prompt "SmartMIPS or microMIPS ASE support"
2325 2529
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2530 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2531 bool "None"
2328 help 2532 help
2329 Select this if you want neither mic 2533 Select this if you want neither microMIPS nor SmartMIPS support
2330 2534
2331 config CPU_HAS_SMARTMIPS 2535 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2536 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2537 bool "SmartMIPS"
2334 help 2538 help
2335 SmartMIPS is a extension of the MIP 2539 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2540 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2541 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2542 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2543 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2544 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2545 here.
2342 2546
2343 config CPU_MICROMIPS 2547 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2548 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2549 bool "microMIPS"
2346 help 2550 help
2347 When this option is enabled the ker 2551 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2552 microMIPS ISA
2349 2553
2350 endchoice 2554 endchoice
2351 2555
2352 config CPU_HAS_MSA 2556 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2557 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2558 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2559 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2560 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2561 help
2358 MIPS SIMD Architecture (MSA) introd 2562 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2563 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2564 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2565 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2566 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2567 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2568 the size & complexity of your kernel.
2365 2569
2366 If unsure, say Y. 2570 If unsure, say Y.
2367 2571
2368 config CPU_HAS_WB 2572 config CPU_HAS_WB
2369 bool 2573 bool
2370 2574
2371 config XKS01 2575 config XKS01
2372 bool 2576 bool
2373 2577
2374 config CPU_HAS_DIEI 2578 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2579 depends on !CPU_DIEI_BROKEN
2376 bool 2580 bool
2377 2581
2378 config CPU_DIEI_BROKEN 2582 config CPU_DIEI_BROKEN
2379 bool 2583 bool
2380 2584
2381 config CPU_HAS_RIXI 2585 config CPU_HAS_RIXI
2382 bool 2586 bool
2383 2587
2384 config CPU_NO_LOAD_STORE_LR 2588 config CPU_NO_LOAD_STORE_LR
2385 bool 2589 bool
2386 help 2590 help
2387 CPU lacks support for unaligned loa 2591 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2592 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2593 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2594 systems).
2391 2595
2392 # 2596 #
2393 # Vectored interrupt mode is an R2 feature 2597 # Vectored interrupt mode is an R2 feature
2394 # 2598 #
2395 config CPU_MIPSR2_IRQ_VI 2599 config CPU_MIPSR2_IRQ_VI
2396 bool 2600 bool
2397 2601
2398 # 2602 #
2399 # Extended interrupt mode is an R2 feature 2603 # Extended interrupt mode is an R2 feature
2400 # 2604 #
2401 config CPU_MIPSR2_IRQ_EI 2605 config CPU_MIPSR2_IRQ_EI
2402 bool 2606 bool
2403 2607
2404 config CPU_HAS_SYNC 2608 config CPU_HAS_SYNC
2405 bool 2609 bool
2406 depends on !CPU_R3000 2610 depends on !CPU_R3000
2407 default y 2611 default y
2408 2612
2409 # 2613 #
2410 # CPU non-features 2614 # CPU non-features
2411 # 2615 #
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 2616 config CPU_DADDI_WORKAROUNDS
2427 bool 2617 bool
2428 2618
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 2619 config CPU_R4000_WORKAROUNDS
2448 bool 2620 bool
2449 select CPU_R4400_WORKAROUNDS 2621 select CPU_R4400_WORKAROUNDS
2450 2622
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 2623 config CPU_R4400_WORKAROUNDS
2458 bool 2624 bool
2459 2625
2460 config CPU_R4X00_BUGS64 2626 config CPU_R4X00_BUGS64
2461 bool 2627 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2628 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2629
2464 config MIPS_ASID_SHIFT 2630 config MIPS_ASID_SHIFT
2465 int 2631 int
2466 default 6 if CPU_R3000 !! 2632 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2633 default 0
2468 2634
2469 config MIPS_ASID_BITS 2635 config MIPS_ASID_BITS
2470 int 2636 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2637 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2638 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2639 default 8
2474 2640
2475 config MIPS_ASID_BITS_VARIABLE 2641 config MIPS_ASID_BITS_VARIABLE
2476 bool 2642 bool
2477 2643
2478 config MIPS_CRC_SUPPORT 2644 config MIPS_CRC_SUPPORT
2479 bool 2645 bool
2480 2646
2481 # R4600 erratum. Due to the lack of errata i 2647 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2648 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2649 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2650 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2651 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2652 bool
2487 2653
2488 # Pleasures of the R4600 V1.x. Cite from the 2654 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2655 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2656 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2657 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2658 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2659 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2660 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2661 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2662 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2663 # four instructions that are not any kind of load or store
2498 # instruction. 2664 # instruction.
2499 # 2665 #
2500 # This is not allowed: lw 2666 # This is not allowed: lw
2501 # nop 2667 # nop
2502 # nop 2668 # nop
2503 # nop 2669 # nop
2504 # cache Hi 2670 # cache Hit_Writeback_Invalidate_D
2505 # 2671 #
2506 # This is allowed: lw 2672 # This is allowed: lw
2507 # nop 2673 # nop
2508 # nop 2674 # nop
2509 # nop 2675 # nop
2510 # nop 2676 # nop
2511 # cache Hi 2677 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2678 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2679 bool
2514 2680
2515 # Writeback and invalidate the primary cache 2681 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2682 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2683 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2684 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2685 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2686 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2687 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2688 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2689 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2690 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2691 bool
2526 2692
2527 # From TX49/H2 manual: "If the instruction (i 2693 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2694 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2695 # operation is not guaranteed."
2530 # 2696 #
2531 # Workaround: do two phase flushing for Index 2697 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2698 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2699 bool
2534 2700
2535 # The RM7000 processors and the E9000 cores h 2701 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2702 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2703 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2704 # exceptions.
2539 config WAR_ICACHE_REFILLS 2705 config WAR_ICACHE_REFILLS
2540 bool 2706 bool
2541 2707
2542 # On the R10000 up to version 2.6 (not sure a 2708 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2543 # may cause ll / sc and lld / scd sequences t 2709 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2710 config WAR_R10000_LLSC
2545 bool 2711 bool
2546 2712
2547 # 34K core erratum: "Problems Executing the T 2713 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2714 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2715 bool
2550 2716
2551 # 2717 #
2552 # - Highmem only makes sense for the 32-bit k 2718 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2719 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2720 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2721 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2722 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2723 # 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 2724 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2725 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2726 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2727 # know they might have memory configurations that could make use of highmem
2562 # support. 2728 # support.
2563 # 2729 #
2564 config HIGHMEM 2730 config HIGHMEM
2565 bool "High Memory Support" 2731 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2732 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2733 select KMAP_LOCAL
2568 2734
2569 config CPU_SUPPORTS_HIGHMEM 2735 config CPU_SUPPORTS_HIGHMEM
2570 bool 2736 bool
2571 2737
2572 config SYS_SUPPORTS_HIGHMEM 2738 config SYS_SUPPORTS_HIGHMEM
2573 bool 2739 bool
2574 2740
2575 config SYS_SUPPORTS_SMARTMIPS 2741 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2742 bool
2577 2743
2578 config SYS_SUPPORTS_MICROMIPS 2744 config SYS_SUPPORTS_MICROMIPS
2579 bool 2745 bool
2580 2746
2581 config SYS_SUPPORTS_MIPS16 2747 config SYS_SUPPORTS_MIPS16
2582 bool 2748 bool
2583 help 2749 help
2584 This option must be set if a kernel 2750 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2751 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2752 words, it makes the kernel MIPS16-tolerant.
2587 2753
2588 config CPU_SUPPORTS_MSA 2754 config CPU_SUPPORTS_MSA
2589 bool 2755 bool
2590 2756
2591 config ARCH_FLATMEM_ENABLE 2757 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2758 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2759 depends on !NUMA && !CPU_LOONGSON2EF
2594 2760
2595 config ARCH_SPARSEMEM_ENABLE 2761 config ARCH_SPARSEMEM_ENABLE
2596 bool 2762 bool
>> 2763 select SPARSEMEM_STATIC if !SGI_IP27
2597 2764
2598 config NUMA 2765 config NUMA
2599 bool "NUMA Support" 2766 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2767 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2768 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2769 help
2605 Say Y to compile the kernel to supp 2770 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2771 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2772 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2773 leave it disabled; on single node systems leave this option
2609 disabled. 2774 disabled.
2610 2775
2611 config SYS_SUPPORTS_NUMA 2776 config SYS_SUPPORTS_NUMA
2612 bool 2777 bool
2613 2778
>> 2779 config HAVE_SETUP_PER_CPU_AREA
>> 2780 def_bool y
>> 2781 depends on NUMA
>> 2782
>> 2783 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2784 def_bool y
>> 2785 depends on NUMA
>> 2786
2614 config RELOCATABLE 2787 config RELOCATABLE
2615 bool "Relocatable kernel" 2788 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2789 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2790 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2791 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2792 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2793 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2794 CPU_LOONGSON64
2622 help 2795 help
2623 This builds a kernel image that ret 2796 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2797 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2798 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2799 but are discarded at runtime
2627 2800
2628 config RELOCATION_TABLE_SIZE 2801 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2802 hex "Relocation table size"
2630 depends on RELOCATABLE 2803 depends on RELOCATABLE
2631 range 0x0 0x01000000 2804 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2805 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2806 default "0x00100000"
2634 help 2807 help
2635 A table of relocation data will be 2808 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2809 and parsed at boot to fix up the relocated kernel.
2637 2810
2638 This option allows the amount of sp 2811 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2812 adjusted, although the default of 1Mb should be ok in most cases.
2640 2813
2641 The build will fail and a valid siz 2814 The build will fail and a valid size suggested if this is too small.
2642 2815
2643 If unsure, leave at the default val 2816 If unsure, leave at the default value.
2644 2817
2645 config RANDOMIZE_BASE 2818 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2819 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2820 depends on RELOCATABLE
2648 help 2821 help
2649 Randomizes the physical and virtual 2822 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2823 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2824 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2825 of kernel internals.
2653 2826
2654 Entropy is generated using any copr 2827 Entropy is generated using any coprocessor 0 registers available.
2655 2828
2656 The kernel will be offset by up to 2829 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2830
2658 If unsure, say N. 2831 If unsure, say N.
2659 2832
2660 config RANDOMIZE_BASE_MAX_OFFSET 2833 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2834 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2835 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2836 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2837 range 0x0 0x08000000
2665 default "0x01000000" 2838 default "0x01000000"
2666 help 2839 help
2667 When kASLR is active, this provides 2840 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2841 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2842 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2843 PHYSICAL_START and must be a power of 2.
2671 2844
2672 This is limited by the size of KSEG 2845 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2846 EVA or 64-bit. The default is 16Mb.
2674 2847
2675 config NODES_SHIFT 2848 config NODES_SHIFT
2676 int 2849 int
2677 default "6" 2850 default "6"
2678 depends on NUMA 2851 depends on NUMA
2679 2852
2680 config HW_PERF_EVENTS 2853 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2854 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2855 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2856 default y
2684 help 2857 help
2685 Enable hardware performance counter 2858 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2859 disabled, perf events will use software events only.
2687 2860
2688 config DMI 2861 config DMI
2689 bool "Enable DMI scanning" 2862 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2863 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2864 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2865 default y
2693 help 2866 help
2694 Enabled scanning of DMI to identify 2867 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2868 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2869 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2870 BIOS code.
2698 2871
2699 config SMP 2872 config SMP
2700 bool "Multi-Processing support" 2873 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2874 depends on SYS_SUPPORTS_SMP
2702 help 2875 help
2703 This enables support for systems wi 2876 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2877 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2878 than one CPU, say Y.
2706 2879
2707 If you say N here, the kernel will 2880 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2881 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2882 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2883 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2884 will run faster if you say N here.
2712 2885
2713 People using multiprocessor machine 2886 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2887 Y to "Enhanced Real Time Clock Support", below.
2715 2888
2716 See also the SMP-HOWTO available at 2889 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2890 <https://www.tldp.org/docs.html#howto>.
2718 2891
2719 If you don't know what to do here, 2892 If you don't know what to do here, say N.
2720 2893
2721 config HOTPLUG_CPU 2894 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2895 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2896 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2897 help
2725 Say Y here to allow turning CPUs of 2898 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2899 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2900 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2901 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2902 Say N if you want to disable CPU hotplug.
2730 2903
2731 config SMP_UP 2904 config SMP_UP
2732 bool 2905 bool
2733 2906
>> 2907 config SYS_SUPPORTS_MIPS_CMP
>> 2908 bool
>> 2909
2734 config SYS_SUPPORTS_MIPS_CPS 2910 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2911 bool
2736 2912
2737 config SYS_SUPPORTS_SMP 2913 config SYS_SUPPORTS_SMP
2738 bool 2914 bool
2739 2915
2740 config NR_CPUS_DEFAULT_4 2916 config NR_CPUS_DEFAULT_4
2741 bool 2917 bool
2742 2918
2743 config NR_CPUS_DEFAULT_8 2919 config NR_CPUS_DEFAULT_8
2744 bool 2920 bool
2745 2921
2746 config NR_CPUS_DEFAULT_16 2922 config NR_CPUS_DEFAULT_16
2747 bool 2923 bool
2748 2924
2749 config NR_CPUS_DEFAULT_32 2925 config NR_CPUS_DEFAULT_32
2750 bool 2926 bool
2751 2927
2752 config NR_CPUS_DEFAULT_64 2928 config NR_CPUS_DEFAULT_64
2753 bool 2929 bool
2754 2930
2755 config NR_CPUS 2931 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2932 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2933 range 2 256
2758 depends on SMP 2934 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2935 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2936 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2937 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2938 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2939 default "64" if NR_CPUS_DEFAULT_64
2764 help 2940 help
2765 This allows you to specify the maxi 2941 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2942 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2943 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2944 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2945 and 2 for all others.
2770 2946
2771 This is purely to save memory - eac 2947 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2948 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2949 performance should round up your number of processors to the next
2774 power of two. 2950 power of two.
2775 2951
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2952 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2953 bool
2778 2954
2779 config MIPS_NR_CPU_NR_MAP_1024 2955 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2956 bool
2781 2957
2782 config MIPS_NR_CPU_NR_MAP 2958 config MIPS_NR_CPU_NR_MAP
2783 int 2959 int
2784 depends on SMP 2960 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2961 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2962 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2963
2788 # 2964 #
2789 # Timer Interrupt Frequency Configuration 2965 # Timer Interrupt Frequency Configuration
2790 # 2966 #
2791 2967
2792 choice 2968 choice
2793 prompt "Timer frequency" 2969 prompt "Timer frequency"
2794 default HZ_250 2970 default HZ_250
2795 help 2971 help
2796 Allows the configuration of the tim 2972 Allows the configuration of the timer frequency.
2797 2973
2798 config HZ_24 2974 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2975 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2976
2801 config HZ_48 2977 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2978 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2979
2804 config HZ_100 2980 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2981 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2982
2807 config HZ_128 2983 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2984 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2985
2810 config HZ_250 2986 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2987 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2988
2813 config HZ_256 2989 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2990 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2991
2816 config HZ_1000 2992 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2993 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2994
2819 config HZ_1024 2995 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2996 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2997
2822 endchoice 2998 endchoice
2823 2999
2824 config SYS_SUPPORTS_24HZ 3000 config SYS_SUPPORTS_24HZ
2825 bool 3001 bool
2826 3002
2827 config SYS_SUPPORTS_48HZ 3003 config SYS_SUPPORTS_48HZ
2828 bool 3004 bool
2829 3005
2830 config SYS_SUPPORTS_100HZ 3006 config SYS_SUPPORTS_100HZ
2831 bool 3007 bool
2832 3008
2833 config SYS_SUPPORTS_128HZ 3009 config SYS_SUPPORTS_128HZ
2834 bool 3010 bool
2835 3011
2836 config SYS_SUPPORTS_250HZ 3012 config SYS_SUPPORTS_250HZ
2837 bool 3013 bool
2838 3014
2839 config SYS_SUPPORTS_256HZ 3015 config SYS_SUPPORTS_256HZ
2840 bool 3016 bool
2841 3017
2842 config SYS_SUPPORTS_1000HZ 3018 config SYS_SUPPORTS_1000HZ
2843 bool 3019 bool
2844 3020
2845 config SYS_SUPPORTS_1024HZ 3021 config SYS_SUPPORTS_1024HZ
2846 bool 3022 bool
2847 3023
2848 config SYS_SUPPORTS_ARBIT_HZ 3024 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 3025 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 3026 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 3027 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 3028 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 3029 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 3030 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 3031 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 3032 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 3033 !SYS_SUPPORTS_1024HZ
2858 3034
2859 config HZ 3035 config HZ
2860 int 3036 int
2861 default 24 if HZ_24 3037 default 24 if HZ_24
2862 default 48 if HZ_48 3038 default 48 if HZ_48
2863 default 100 if HZ_100 3039 default 100 if HZ_100
2864 default 128 if HZ_128 3040 default 128 if HZ_128
2865 default 250 if HZ_250 3041 default 250 if HZ_250
2866 default 256 if HZ_256 3042 default 256 if HZ_256
2867 default 1000 if HZ_1000 3043 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 3044 default 1024 if HZ_1024
2869 3045
2870 config SCHED_HRTICK 3046 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 3047 def_bool HIGH_RES_TIMERS
2872 3048
2873 config ARCH_SUPPORTS_KEXEC !! 3049 config KEXEC
2874 def_bool y !! 3050 bool "Kexec system call"
2875 !! 3051 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 3052 help
2877 def_bool y !! 3053 kexec is a system call that implements the ability to shutdown your
>> 3054 current kernel, and to start another kernel. It is like a reboot
>> 3055 but it is independent of the system firmware. And like a reboot
>> 3056 you can start any kernel with it, not just Linux.
>> 3057
>> 3058 The name comes from the similarity to the exec system call.
>> 3059
>> 3060 It is an ongoing process to be certain the hardware in a machine
>> 3061 is properly shutdown, so do not be surprised if this code does not
>> 3062 initially work for you. As of this writing the exact hardware
>> 3063 interface is strongly in flux, so no good recommendation can be
>> 3064 made.
>> 3065
>> 3066 config CRASH_DUMP
>> 3067 bool "Kernel crash dumps"
>> 3068 help
>> 3069 Generate crash dump after being started by kexec.
>> 3070 This should be normally only set in special crash dump kernels
>> 3071 which are loaded in the main kernel with kexec-tools into
>> 3072 a specially reserved region and then later executed after
>> 3073 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3074 to a memory address not used by the main kernel or firmware using
>> 3075 PHYSICAL_START.
2878 3076
2879 config PHYSICAL_START 3077 config PHYSICAL_START
2880 hex "Physical address where the kerne 3078 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3079 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3080 depends on CRASH_DUMP
2883 help 3081 help
2884 This gives the CKSEG0 or KSEG0 addr 3082 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3083 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3084 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3085 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3086 passed to the panic-ed kernel).
2889 3087
2890 config MIPS_O32_FP64_SUPPORT 3088 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3089 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3090 depends on 32BIT || MIPS32_O32
2893 help 3091 help
2894 When this is enabled, the kernel wi 3092 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3093 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3094 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3095 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3096 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3097 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3098 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3099 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3100 saying N here.
2903 3101
2904 Although binutils currently support 3102 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3103 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3104 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3105 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3106 be considered experimental and only enabled by those working upon
2909 said details. 3107 said details.
2910 3108
2911 If unsure, say N. 3109 If unsure, say N.
2912 3110
2913 config USE_OF 3111 config USE_OF
2914 bool 3112 bool
2915 select OF 3113 select OF
2916 select OF_EARLY_FLATTREE 3114 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3115 select IRQ_DOMAIN
2918 3116
2919 config UHI_BOOT 3117 config UHI_BOOT
2920 bool 3118 bool
2921 3119
2922 config BUILTIN_DTB 3120 config BUILTIN_DTB
2923 bool 3121 bool
2924 3122
2925 choice 3123 choice
2926 prompt "Kernel appended dtb support" !! 3124 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3125 default MIPS_NO_APPENDED_DTB
2929 3126
2930 config MIPS_NO_APPENDED_DTB 3127 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3128 bool "None"
2932 help 3129 help
2933 Do not enable appended dtb 3130 Do not enable appended dtb support.
2934 3131
2935 config MIPS_ELF_APPENDED_DTB 3132 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3133 bool "vmlinux"
2937 help 3134 help
2938 With this option, the boot 3135 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3136 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3137 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3138 objcopy:
2942 3139
2943 objcopy --update-section 3140 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3141
2945 This is meant as a backward 3142 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3143 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3144 the documented boot protocol using a device tree.
2948 3145
2949 config MIPS_RAW_APPENDED_DTB 3146 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3147 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3148 help
2952 With this option, the boot 3149 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3150 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3151 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3152
2956 This is meant as a backward 3153 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3154 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3155 the documented boot protocol using a device tree.
2959 3156
2960 Beware that there is very l 3157 Beware that there is very little in terms of protection against
2961 this option being confused 3158 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3159 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3160 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3161 if you don't intend to always append a DTB.
2965 endchoice 3162 endchoice
2966 3163
2967 choice 3164 choice
2968 prompt "Kernel command line type" !! 3165 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3166 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3167 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3168 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3169 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3170
2975 config MIPS_CMDLINE_FROM_DTB 3171 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3172 depends on USE_OF
2977 bool "Dtb kernel arguments if 3173 bool "Dtb kernel arguments if available"
2978 3174
2979 config MIPS_CMDLINE_DTB_EXTEND 3175 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3176 depends on USE_OF
2981 bool "Extend dtb kernel argum 3177 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3178
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3179 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3180 bool "Bootloader kernel arguments if available"
2985 3181
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3182 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3183 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3184 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3185 endchoice
2990 3186
2991 endmenu 3187 endmenu
2992 3188
2993 config LOCKDEP_SUPPORT 3189 config LOCKDEP_SUPPORT
2994 bool 3190 bool
2995 default y 3191 default y
2996 3192
2997 config STACKTRACE_SUPPORT 3193 config STACKTRACE_SUPPORT
2998 bool 3194 bool
2999 default y 3195 default y
3000 3196
3001 config PGTABLE_LEVELS 3197 config PGTABLE_LEVELS
3002 int 3198 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3199 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3200 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3201 default 2
3006 3202
3007 config MIPS_AUTO_PFN_OFFSET 3203 config MIPS_AUTO_PFN_OFFSET
3008 bool 3204 bool
3009 3205
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3206 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3207
3012 config PCI_DRIVERS_GENERIC 3208 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3209 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3210 bool
3015 3211
3016 config PCI_DRIVERS_LEGACY 3212 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3213 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3214 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3215 select PCI_DOMAINS if PCI
3020 3216
3021 # 3217 #
3022 # ISA support is now enabled via select. Too 3218 # 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 3219 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3220 # users to choose the right thing ...
3025 # 3221 #
3026 config ISA 3222 config ISA
3027 bool 3223 bool
3028 3224
3029 config TC 3225 config TC
3030 bool "TURBOchannel support" 3226 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3227 depends on MACH_DECSTATION
3032 help 3228 help
3033 TURBOchannel is a DEC (now Compaq ( 3229 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3230 processors. TURBOchannel programming specifications are available
3035 at: 3231 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3232 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3233 and:
3038 <http://www.computer-refuge.org/cla 3234 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3235 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3236 <http://www.linux-mips.org/wiki/DECstation>
3041 3237
3042 config MMU 3238 config MMU
3043 bool 3239 bool
3044 default y 3240 default y
3045 3241
3046 config ARCH_MMAP_RND_BITS_MIN 3242 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3243 default 12 if 64BIT
3048 default 8 3244 default 8
3049 3245
3050 config ARCH_MMAP_RND_BITS_MAX 3246 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3247 default 18 if 64BIT
3052 default 15 3248 default 15
3053 3249
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3250 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3251 default 8
3056 3252
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3253 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3254 default 15
3059 3255
3060 config I8253 3256 config I8253
3061 bool 3257 bool
3062 select CLKSRC_I8253 3258 select CLKSRC_I8253
3063 select CLKEVT_I8253 3259 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3260 select MIPS_EXTERNAL_TIMER
3065 endmenu 3261 endmenu
3066 3262
3067 config TRAD_SIGNALS 3263 config TRAD_SIGNALS
3068 bool 3264 bool
3069 3265
3070 config MIPS32_COMPAT 3266 config MIPS32_COMPAT
3071 bool 3267 bool
3072 3268
3073 config COMPAT 3269 config COMPAT
3074 bool 3270 bool
3075 3271
>> 3272 config SYSVIPC_COMPAT
>> 3273 bool
>> 3274
3076 config MIPS32_O32 3275 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3276 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3277 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3278 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3279 select COMPAT
3081 select MIPS32_COMPAT 3280 select MIPS32_COMPAT
>> 3281 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3282 help
3083 Select this option if you want to r 3283 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3284 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3285 existing binaries are in this format.
3086 3286
3087 If unsure, say Y. 3287 If unsure, say Y.
3088 3288
3089 config MIPS32_N32 3289 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3290 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3291 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3292 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3293 select COMPAT
3094 select MIPS32_COMPAT 3294 select MIPS32_COMPAT
>> 3295 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3296 help
3096 Select this option if you want to r 3297 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3298 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3299 data that would normally be 64-bit. They are used in special
3099 cases. 3300 cases.
3100 3301
3101 If unsure, say N. 3302 If unsure, say N.
3102 3303
3103 config CC_HAS_MNO_BRANCH_LIKELY <<
3104 def_bool y <<
3105 depends on $(cc-option,-mno-branch-li <<
3106 <<
3107 # https://github.com/llvm/llvm-project/issues <<
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 <<
3111 menu "Power management options" 3304 menu "Power management options"
3112 3305
3113 config ARCH_HIBERNATION_POSSIBLE 3306 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3307 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3308 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3309
3117 config ARCH_SUSPEND_POSSIBLE 3310 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3311 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3312 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3313
3121 source "kernel/power/Kconfig" 3314 source "kernel/power/Kconfig"
3122 3315
3123 endmenu 3316 endmenu
3124 3317
3125 config MIPS_EXTERNAL_TIMER 3318 config MIPS_EXTERNAL_TIMER
3126 bool 3319 bool
3127 3320
3128 menu "CPU Power Management" 3321 menu "CPU Power Management"
3129 3322
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3323 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3324 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3325 endif
3133 3326
3134 source "drivers/cpuidle/Kconfig" 3327 source "drivers/cpuidle/Kconfig"
3135 3328
3136 endmenu 3329 endmenu
3137 3330
3138 source "arch/mips/kvm/Kconfig" 3331 source "arch/mips/kvm/Kconfig"
3139 3332
3140 source "arch/mips/vdso/Kconfig" 3333 source "arch/mips/vdso/Kconfig"
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