1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 7 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 8 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 9 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE 10 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 11 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL !! 12 select ARCH_SUPPORTS_UPROBES
21 select ARCH_KEEP_MEMBLOCK <<
22 select ARCH_USE_BUILTIN_BSWAP 13 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 14 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 15 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 16 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 17 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 18 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN <<
31 select BUILDTIME_TABLE_SORT 19 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 20 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 21 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 22 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 23 select GENERIC_ATOMIC64 if !64BIT
>> 24 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE 25 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 26 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 27 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 28 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 29 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 31 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 32 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 33 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 34 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 35 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 36 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 37 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 38 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 39 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 40 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 41 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 42 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 43 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !! 44 select HAVE_ARCH_KGDB
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 45 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 46 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 47 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 48 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 49 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 50 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 51 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 52 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 53 select HAVE_TIF_NOHZ
>> 54 select HAVE_COPY_THREAD_TLS
65 select HAVE_C_RECORDMCOUNT 55 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 56 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 57 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 58 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 59 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 60 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
71 select HAVE_EXIT_THREAD 61 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 62 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 63 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 64 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 65 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 66 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 67 select HAVE_GENERIC_VDSO
>> 68 select HAVE_IDE
78 select HAVE_IOREMAP_PROT 69 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 70 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 71 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 72 select HAVE_KPROBES
82 select HAVE_KRETPROBES 73 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 74 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
>> 75 select HAVE_MEMBLOCK_NODE_MAP
84 select HAVE_MOD_ARCH_SPECIFIC 76 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 77 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 78 select HAVE_OPROFILE
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 79 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS <<
91 select HAVE_PERF_USER_STACK_DUMP <<
92 select HAVE_REGS_AND_STACK_ACCESS_API 80 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 81 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 82 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 83 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 84 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 85 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 86 select IRQ_FORCED_THREADING
99 select ISA if EISA 87 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 88 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 89 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 90 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
105 select RTC_LIB 91 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 92 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 93 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT <<
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 <<
111 config MIPS_FIXUP_BIGPHYS_ADDR <<
112 bool <<
113 <<
114 config MIPS_GENERIC <<
115 bool <<
116 <<
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC <<
121 bool <<
122 select SYS_SUPPORTS_32BIT_KERNEL <<
123 select SYS_SUPPORTS_LITTLE_ENDIAN <<
124 select SYS_SUPPORTS_ZBOOT <<
125 select DMA_NONCOHERENT <<
126 select IRQ_MIPS_CPU <<
127 select PINCTRL <<
128 select GPIOLIB <<
129 select COMMON_CLK <<
130 select GENERIC_IRQ_CHIP <<
131 select BUILTIN_DTB if MIPS_NO_APPENDED <<
132 select USE_OF <<
133 select CPU_SUPPORTS_CPUFREQ <<
134 select MIPS_EXTERNAL_TIMER <<
135 94
136 menu "Machine selection" 95 menu "Machine selection"
137 96
138 choice 97 choice
139 prompt "System type" 98 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 99 default MIPS_GENERIC
141 100
142 config MIPS_GENERIC_KERNEL !! 101 config MIPS_GENERIC
143 bool "Generic board-agnostic MIPS kern 102 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC <<
145 select BOOT_RAW 103 select BOOT_RAW
146 select BUILTIN_DTB 104 select BUILTIN_DTB
147 select CEVT_R4K 105 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 106 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 107 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 108 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 109 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 110 select CSRC_R4K
153 select DMA_NONCOHERENT !! 111 select DMA_PERDEV_COHERENT
154 select HAVE_PCI 112 select HAVE_PCI
155 select IRQ_MIPS_CPU 113 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 114 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 115 select MIPS_CPU_SCACHE
159 select MIPS_GIC 116 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 117 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 118 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 119 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 120 select SMP_UP if SMP
164 select SWAP_IO_SPACE 121 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 122 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 123 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 124 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 125 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 126 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 127 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 128 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 129 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 130 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 131 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 132 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 133 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 134 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 135 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 136 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 137 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 138 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT <<
185 select UHI_BOOT 139 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 140 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 141 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 142 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 143 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 144 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 145 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 146 select USE_OF
193 help 147 help
194 Select this to build a kernel which 148 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 149 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 150 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 151 Interface) specification.
198 152
199 config MIPS_ALCHEMY 153 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 154 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 155 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 156 select CEVT_R4K
203 select CSRC_R4K 157 select CSRC_R4K
204 select IRQ_MIPS_CPU 158 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 159 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI <<
207 select SYS_HAS_CPU_MIPS32_R1 160 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 161 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 162 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 163 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 164 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 165 select COMMON_CLK
213 166
>> 167 config AR7
>> 168 bool "Texas Instruments AR7"
>> 169 select BOOT_ELF32
>> 170 select DMA_NONCOHERENT
>> 171 select CEVT_R4K
>> 172 select CSRC_R4K
>> 173 select IRQ_MIPS_CPU
>> 174 select NO_EXCEPT_FILL
>> 175 select SWAP_IO_SPACE
>> 176 select SYS_HAS_CPU_MIPS32_R1
>> 177 select SYS_HAS_EARLY_PRINTK
>> 178 select SYS_SUPPORTS_32BIT_KERNEL
>> 179 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 180 select SYS_SUPPORTS_MIPS16
>> 181 select SYS_SUPPORTS_ZBOOT_UART16550
>> 182 select GPIOLIB
>> 183 select VLYNQ
>> 184 select HAVE_CLK
>> 185 help
>> 186 Support for the Texas Instruments AR7 System-on-a-Chip
>> 187 family: TNETD7100, 7200 and 7300.
>> 188
214 config ATH25 189 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 190 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 191 select CEVT_R4K
217 select CSRC_R4K 192 select CSRC_R4K
218 select DMA_NONCOHERENT 193 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 194 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 195 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 196 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 197 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 198 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 199 select SYS_HAS_EARLY_PRINTK
225 help 200 help
226 Support for Atheros AR231x and Ather 201 Support for Atheros AR231x and Atheros AR531x based boards
227 202
228 config ATH79 203 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 204 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 205 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 206 select BOOT_RAW
232 select CEVT_R4K 207 select CEVT_R4K
233 select CSRC_R4K 208 select CSRC_R4K
234 select DMA_NONCOHERENT 209 select DMA_NONCOHERENT
235 select GPIOLIB 210 select GPIOLIB
236 select PINCTRL 211 select PINCTRL
>> 212 select HAVE_CLK
237 select COMMON_CLK 213 select COMMON_CLK
>> 214 select CLKDEV_LOOKUP
238 select IRQ_MIPS_CPU 215 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 216 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 217 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 218 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 219 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 220 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 221 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 222 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 223 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 224 help
248 Support for the Atheros AR71XX/AR724 225 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 226
250 config BMIPS_GENERIC 227 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 228 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 229 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 230 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 231 select BOOT_RAW
255 select NO_EXCEPT_FILL 232 select NO_EXCEPT_FILL
256 select USE_OF 233 select USE_OF
257 select CEVT_R4K 234 select CEVT_R4K
258 select CSRC_R4K 235 select CSRC_R4K
259 select SYNC_R4K 236 select SYNC_R4K
260 select COMMON_CLK 237 select COMMON_CLK
261 select BCM6345_L1_IRQ 238 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 239 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 240 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 241 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 242 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 243 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 244 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 245 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 246 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 247 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 248 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 249 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 250 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 251 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 252 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 253 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 254 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 255 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 256 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 257 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 258 help
285 Build a generic DT-based kernel imag 259 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 260 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 261 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 262 must be set appropriately for your board.
289 263
290 config BCM47XX 264 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 265 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 266 select BOOT_RAW
293 select CEVT_R4K 267 select CEVT_R4K
294 select CSRC_R4K 268 select CSRC_R4K
295 select DMA_NONCOHERENT 269 select DMA_NONCOHERENT
296 select HAVE_PCI 270 select HAVE_PCI
297 select IRQ_MIPS_CPU 271 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 272 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 273 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 274 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 275 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 276 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 277 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 278 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 279 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 280 select GPIOLIB
307 select LEDS_GPIO_REGISTER 281 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 282 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 283 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 284 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 285 help
312 Support for BCM47XX based boards 286 Support for BCM47XX based boards
313 287
314 config BCM63XX 288 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 289 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 290 select BOOT_RAW
317 select CEVT_R4K 291 select CEVT_R4K
318 select CSRC_R4K 292 select CSRC_R4K
319 select SYNC_R4K 293 select SYNC_R4K
320 select DMA_NONCOHERENT 294 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 295 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 296 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 297 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 298 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 <<
326 select SYS_HAS_CPU_BMIPS4350 <<
327 select SYS_HAS_CPU_BMIPS4380 <<
328 select SWAP_IO_SPACE 299 select SWAP_IO_SPACE
329 select GPIOLIB 300 select GPIOLIB
>> 301 select HAVE_CLK
330 select MIPS_L1_CACHE_SHIFT_4 302 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK !! 303 select CLKDEV_LOOKUP
332 help 304 help
333 Support for BCM63XX based boards 305 Support for BCM63XX based boards
334 306
335 config MIPS_COBALT 307 config MIPS_COBALT
336 bool "Cobalt Server" 308 bool "Cobalt Server"
337 select CEVT_R4K 309 select CEVT_R4K
338 select CSRC_R4K 310 select CSRC_R4K
339 select CEVT_GT641XX 311 select CEVT_GT641XX
340 select DMA_NONCOHERENT 312 select DMA_NONCOHERENT
341 select FORCE_PCI 313 select FORCE_PCI
342 select I8253 314 select I8253
343 select I8259 315 select I8259
344 select IRQ_MIPS_CPU 316 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 317 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 318 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 319 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 320 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 321 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 322 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 323 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 324 select USE_GENERIC_EARLY_PRINTK_8250
353 325
354 config MACH_DECSTATION 326 config MACH_DECSTATION
355 bool "DECstations" 327 bool "DECstations"
356 select BOOT_ELF32 328 select BOOT_ELF32
357 select CEVT_DS1287 329 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 330 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 331 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 332 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 333 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 334 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 335 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 336 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 337 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 338 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 339 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 340 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 341 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 342 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 343 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 344 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 345 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 346 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 347 select MIPS_L1_CACHE_SHIFT_4
376 help 348 help
377 This enables support for DEC's MIPS 349 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 350 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 351 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 352
381 If you have one of the following DEC 353 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 354 want to choose R4xx0 for the CPU Type:
383 355
384 DECstation 5000/50 356 DECstation 5000/50
385 DECstation 5000/150 357 DECstation 5000/150
386 DECstation 5000/260 358 DECstation 5000/260
387 DECsystem 5900/260 359 DECsystem 5900/260
388 360
389 otherwise choose R3000. 361 otherwise choose R3000.
390 362
391 config MACH_JAZZ 363 config MACH_JAZZ
392 bool "Jazz family of machines" 364 bool "Jazz family of machines"
393 select ARC_MEMORY 365 select ARC_MEMORY
394 select ARC_PROMLIB 366 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 367 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 368 select ARCH_MIGHT_HAVE_PC_SERIO
397 select FW_ARC 369 select FW_ARC
398 select FW_ARC32 370 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 371 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 372 select CEVT_R4K
401 select CSRC_R4K 373 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 374 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 375 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 376 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 377 select IRQ_MIPS_CPU
406 select I8253 378 select I8253
407 select I8259 379 select I8259
408 select ISA 380 select ISA
409 select SYS_HAS_CPU_R4X00 381 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 382 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 384 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 385 help
415 This a family of machines based on t 386 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 387 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 388 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 389 Olivetti M700-10 workstations.
419 390
420 config MACH_INGENIC_SOC !! 391 config MACH_INGENIC
421 bool "Ingenic SoC based machines" 392 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC !! 393 select SYS_SUPPORTS_32BIT_KERNEL
423 select MACH_INGENIC !! 394 select SYS_SUPPORTS_LITTLE_ENDIAN
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 395 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ !! 396 select CPU_SUPPORTS_HUGEPAGES
427 select MIPS_EXTERNAL_TIMER !! 397 select DMA_NONCOHERENT
>> 398 select IRQ_MIPS_CPU
>> 399 select PINCTRL
>> 400 select GPIOLIB
>> 401 select COMMON_CLK
>> 402 select GENERIC_IRQ_CHIP
>> 403 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 404 select USE_OF
428 405
429 config LANTIQ 406 config LANTIQ
430 bool "Lantiq based platforms" 407 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 408 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 409 select IRQ_MIPS_CPU
433 select CEVT_R4K 410 select CEVT_R4K
434 select CSRC_R4K 411 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 412 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 413 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 414 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 415 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 416 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 417 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 418 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 419 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 420 select GPIOLIB
445 select SWAP_IO_SPACE 421 select SWAP_IO_SPACE
446 select BOOT_RAW 422 select BOOT_RAW
447 select HAVE_LEGACY_CLK !! 423 select CLKDEV_LOOKUP
448 select USE_OF 424 select USE_OF
449 select PINCTRL 425 select PINCTRL
450 select PINCTRL_LANTIQ 426 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 427 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 428 select RESET_CONTROLLER
453 429
>> 430 config LASAT
>> 431 bool "LASAT Networks platforms"
>> 432 select CEVT_R4K
>> 433 select CRC32
>> 434 select CSRC_R4K
>> 435 select DMA_NONCOHERENT
>> 436 select SYS_HAS_EARLY_PRINTK
>> 437 select HAVE_PCI
>> 438 select IRQ_MIPS_CPU
>> 439 select PCI_GT64XXX_PCI0
>> 440 select MIPS_NILE4
>> 441 select R5000_CPU_SCACHE
>> 442 select SYS_HAS_CPU_R5000
>> 443 select SYS_SUPPORTS_32BIT_KERNEL
>> 444 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 445 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 446
454 config MACH_LOONGSON32 447 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 448 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 449 select SYS_SUPPORTS_ZBOOT
457 help 450 help
458 This enables support for the Loongso 451 This enables support for the Loongson-1 family of machines.
459 452
460 Loongson-1 is a family of 32-bit MIP 453 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 454 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 455 Sciences (CAS).
463 456
464 config MACH_LOONGSON2EF 457 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 458 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 459 select SYS_SUPPORTS_ZBOOT
467 help 460 help
468 This enables the support of early Lo 461 This enables the support of early Loongson-2E/F family of machines.
469 462
470 config MACH_LOONGSON64 463 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 464 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 465 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 466 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 467 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 468 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 469 select BOOT_ELF32
478 select BOARD_SCACHE 470 select BOARD_SCACHE
479 select CSRC_R4K 471 select CSRC_R4K
480 select CEVT_R4K 472 select CEVT_R4K
481 select SYNC_R4K !! 473 select CPU_HAS_WB
482 select FORCE_PCI 474 select FORCE_PCI
483 select ISA 475 select ISA
484 select I8259 476 select I8259
485 select IRQ_MIPS_CPU 477 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL !! 478 select NR_CPUS_DEFAULT_4
487 select NR_CPUS_DEFAULT_64 <<
488 select USE_GENERIC_EARLY_PRINTK_8250 479 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC <<
490 select SYS_HAS_CPU_LOONGSON64 480 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 481 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 482 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 483 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 484 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 485 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 486 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 487 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 488 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE <<
500 select ZONE_DMA32 489 select ZONE_DMA32
>> 490 select NUMA
501 select COMMON_CLK 491 select COMMON_CLK
502 select USE_OF 492 select USE_OF
503 select BUILTIN_DTB 493 select BUILTIN_DTB
504 select PCI_HOST_GENERIC <<
505 help 494 help
506 This enables the support of Loongson 495 This enables the support of Loongson-2/3 family of machines.
507 496
508 Loongson-2 and Loongson-3 are 64-bit 497 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 498 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 499 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 500 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 501
>> 502 config MACH_PISTACHIO
>> 503 bool "IMG Pistachio SoC based boards"
>> 504 select BOOT_ELF32
>> 505 select BOOT_RAW
>> 506 select CEVT_R4K
>> 507 select CLKSRC_MIPS_GIC
>> 508 select COMMON_CLK
>> 509 select CSRC_R4K
>> 510 select DMA_NONCOHERENT
>> 511 select GPIOLIB
>> 512 select IRQ_MIPS_CPU
>> 513 select MFD_SYSCON
>> 514 select MIPS_CPU_SCACHE
>> 515 select MIPS_GIC
>> 516 select PINCTRL
>> 517 select REGULATOR
>> 518 select SYS_HAS_CPU_MIPS32_R2
>> 519 select SYS_SUPPORTS_32BIT_KERNEL
>> 520 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 521 select SYS_SUPPORTS_MIPS_CPS
>> 522 select SYS_SUPPORTS_MULTITHREADING
>> 523 select SYS_SUPPORTS_RELOCATABLE
>> 524 select SYS_SUPPORTS_ZBOOT
>> 525 select SYS_HAS_EARLY_PRINTK
>> 526 select USE_GENERIC_EARLY_PRINTK_8250
>> 527 select USE_OF
>> 528 help
>> 529 This enables support for the IMG Pistachio SoC platform.
>> 530
513 config MIPS_MALTA 531 config MIPS_MALTA
514 bool "MIPS Malta board" 532 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 533 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 534 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 535 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 536 select BOOT_ELF32
519 select BOOT_RAW 537 select BOOT_RAW
520 select BUILTIN_DTB 538 select BUILTIN_DTB
521 select CEVT_R4K 539 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 540 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 541 select COMMON_CLK
524 select CSRC_R4K 542 select CSRC_R4K
525 select DMA_NONCOHERENT !! 543 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 544 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 545 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 546 select HAVE_PCI
529 select I8253 547 select I8253
530 select I8259 548 select I8259
531 select IRQ_MIPS_CPU 549 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 550 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 551 select MIPS_CPU_SCACHE
534 select MIPS_GIC 552 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 553 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 554 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 555 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 556 select SMP_UP if SMP
539 select SWAP_IO_SPACE 557 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 558 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 559 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 560 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 561 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 562 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 563 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 564 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 565 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 566 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 567 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 568 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 569 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 570 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 571 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 572 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 573 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 574 select SYS_SUPPORTS_MIPS16
>> 575 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 576 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 577 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 578 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 579 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 580 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 581 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 582 select USE_OF
564 select WAR_ICACHE_REFILLS <<
565 select ZONE_DMA32 if 64BIT 583 select ZONE_DMA32 if 64BIT
566 help 584 help
567 This enables support for the MIPS Te 585 This enables support for the MIPS Technologies Malta evaluation
568 board. 586 board.
569 587
570 config MACH_PIC32 588 config MACH_PIC32
571 bool "Microchip PIC32 Family" 589 bool "Microchip PIC32 Family"
572 help 590 help
573 This enables support for the Microch 591 This enables support for the Microchip PIC32 family of platforms.
574 592
575 Microchip PIC32 is a family of gener 593 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 594 microcontrollers.
577 595
578 config EYEQ !! 596 config NEC_MARKEINS
579 bool "Mobileye EyeQ SoC" !! 597 bool "NEC EMMA2RH Mark-eins board"
580 select MACH_GENERIC_CORE !! 598 select SOC_EMMA2RH
581 select ARM_AMBA !! 599 select HAVE_PCI
582 select PHYSICAL_START_BOOL !! 600 help
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 601 This enables support for the NEC Electronics Mark-eins boards.
584 select BOOT_RAW !! 602
585 select BUILTIN_DTB !! 603 config MACH_VR41XX
>> 604 bool "NEC VR4100 series based machines"
586 select CEVT_R4K 605 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 606 select CSRC_R4K
592 select DMA_NONCOHERENT !! 607 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 608 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 609 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET !! 610
596 select MIPS_CPU_SCACHE !! 611 config NXP_STB220
597 select MIPS_GIC !! 612 bool "NXP STB220 board"
598 select MIPS_L1_CACHE_SHIFT_7 !! 613 select SOC_PNX833X
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF <<
617 help 614 help
618 Select this to build a kernel suppor !! 615 Support for NXP Semiconductors STB220 Development Board.
619 616
620 bool !! 617 config NXP_STB225
>> 618 bool "NXP 225 board"
>> 619 select SOC_PNX833X
>> 620 select SOC_PNX8335
>> 621 help
>> 622 Support for NXP Semiconductors STB225 Development Board.
621 623
622 config MACH_NINTENDO64 !! 624 config PMC_MSP
623 bool "Nintendo 64 console" !! 625 bool "PMC-Sierra MSP chipsets"
624 select CEVT_R4K 626 select CEVT_R4K
625 select CSRC_R4K 627 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 <<
627 select SYS_SUPPORTS_BIG_ENDIAN <<
628 select SYS_SUPPORTS_ZBOOT <<
629 select SYS_SUPPORTS_32BIT_KERNEL <<
630 select SYS_SUPPORTS_64BIT_KERNEL <<
631 select DMA_NONCOHERENT 628 select DMA_NONCOHERENT
>> 629 select SWAP_IO_SPACE
>> 630 select NO_EXCEPT_FILL
>> 631 select BOOT_RAW
>> 632 select SYS_HAS_CPU_MIPS32_R1
>> 633 select SYS_HAS_CPU_MIPS32_R2
>> 634 select SYS_SUPPORTS_32BIT_KERNEL
>> 635 select SYS_SUPPORTS_BIG_ENDIAN
>> 636 select SYS_SUPPORTS_MIPS16
632 select IRQ_MIPS_CPU 637 select IRQ_MIPS_CPU
>> 638 select SERIAL_8250
>> 639 select SERIAL_8250_CONSOLE
>> 640 select USB_EHCI_BIG_ENDIAN_MMIO
>> 641 select USB_EHCI_BIG_ENDIAN_DESC
>> 642 help
>> 643 This adds support for the PMC-Sierra family of Multi-Service
>> 644 Processor System-On-A-Chips. These parts include a number
>> 645 of integrated peripherals, interfaces and DSPs in addition to
>> 646 a variety of MIPS cores.
633 647
634 config RALINK 648 config RALINK
635 bool "Ralink based machines" 649 bool "Ralink based machines"
636 select CEVT_R4K 650 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 651 select CSRC_R4K
639 select BOOT_RAW 652 select BOOT_RAW
640 select DMA_NONCOHERENT 653 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 654 select IRQ_MIPS_CPU
642 select USE_OF 655 select USE_OF
>> 656 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 657 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 658 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 659 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 660 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT <<
648 select SYS_HAS_EARLY_PRINTK 661 select SYS_HAS_EARLY_PRINTK
>> 662 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 663 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 664 select RESET_CONTROLLER
651 665
652 config MACH_REALTEK_RTL <<
653 bool "Realtek RTL838x/RTL839x based ma <<
654 select MIPS_GENERIC <<
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT <<
657 select IRQ_MIPS_CPU <<
658 select CSRC_R4K <<
659 select CEVT_R4K <<
660 select SYS_HAS_CPU_MIPS32_R1 <<
661 select SYS_HAS_CPU_MIPS32_R2 <<
662 select SYS_SUPPORTS_BIG_ENDIAN <<
663 select SYS_SUPPORTS_32BIT_KERNEL <<
664 select SYS_SUPPORTS_MIPS16 <<
665 select SYS_SUPPORTS_MULTITHREADING <<
666 select SYS_SUPPORTS_VPE_LOADER <<
667 select BOOT_RAW <<
668 select PINCTRL <<
669 select USE_OF <<
670 select REALTEK_OTTO_TIMER <<
671 <<
672 config SGI_IP22 666 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 667 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 668 select ARC_MEMORY
675 select ARC_PROMLIB 669 select ARC_PROMLIB
676 select FW_ARC 670 select FW_ARC
677 select FW_ARC32 671 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 672 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 673 select BOOT_ELF32
680 select CEVT_R4K 674 select CEVT_R4K
681 select CSRC_R4K 675 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 676 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 677 select DMA_NONCOHERENT
684 select HAVE_EISA 678 select HAVE_EISA
685 select I8253 679 select I8253
686 select I8259 680 select I8259
687 select IP22_CPU_SCACHE 681 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 682 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 683 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 684 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 685 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 686 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 687 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 688 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 689 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 690 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 691 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 692 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 693 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 694 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 695 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 696 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP <<
704 select WAR_R4600_V1_HIT_CACHEOP <<
705 select WAR_R4600_V2_HIT_CACHEOP <<
706 select MIPS_L1_CACHE_SHIFT_7 697 select MIPS_L1_CACHE_SHIFT_7
707 help 698 help
708 This are the SGI Indy, Challenge S a 699 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 700 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 701 that runs on these, say Y here.
711 702
712 config SGI_IP27 703 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 704 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 705 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 706 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 707 select FW_ARC
717 select FW_ARC64 708 select FW_ARC64
718 select ARC_CMDLINE_ONLY 709 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 710 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 711 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 712 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 713 select HAVE_PCI
724 select IRQ_MIPS_CPU 714 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 715 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 716 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 717 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 718 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 719 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 720 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 721 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 722 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 723 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 724 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 725 select NUMA
737 help 726 help
738 This are the SGI Origin 200, Origin 727 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 728 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 729 here.
741 730
742 config SGI_IP28 731 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 732 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 733 select ARC_MEMORY
745 select ARC_PROMLIB 734 select ARC_PROMLIB
746 select FW_ARC 735 select FW_ARC
747 select FW_ARC64 736 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 737 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 738 select BOOT_ELF64
750 select CEVT_R4K 739 select CEVT_R4K
751 select CSRC_R4K 740 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 741 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 742 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 743 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 744 select IRQ_MIPS_CPU
756 select HAVE_EISA 745 select HAVE_EISA
757 select I8253 746 select I8253
758 select I8259 747 select I8259
759 select SGI_HAS_I8042 748 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 749 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 750 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 751 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 752 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 753 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 754 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 755 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 756 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 757 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 758 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC <<
771 select MIPS_L1_CACHE_SHIFT_7 759 select MIPS_L1_CACHE_SHIFT_7
772 help 760 help
773 This is the SGI Indigo2 with R10000 761 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 762 kernel that runs on these, say Y here.
775 763
776 config SGI_IP30 764 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 765 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 766 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 767 select FW_ARC
780 select FW_ARC64 768 select FW_ARC64
781 select BOOT_ELF64 769 select BOOT_ELF64
782 select CEVT_R4K 770 select CEVT_R4K
783 select CSRC_R4K 771 select CSRC_R4K
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP 772 select SYNC_R4K if SMP
786 select ZONE_DMA32 773 select ZONE_DMA32
787 select HAVE_PCI 774 select HAVE_PCI
788 select IRQ_MIPS_CPU 775 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 776 select IRQ_DOMAIN_HIERARCHY
>> 777 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 778 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 779 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 780 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 781 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 782 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 783 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 784 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC <<
798 select MIPS_L1_CACHE_SHIFT_7 785 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 786 select ARC_MEMORY
800 help 787 help
801 These are the SGI Octane and Octane2 788 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 789 compile a Linux kernel that runs on these, say Y here.
803 790
804 config SGI_IP32 791 config SGI_IP32
805 bool "SGI IP32 (O2)" 792 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 793 select ARC_MEMORY
807 select ARC_PROMLIB 794 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 795 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 796 select FW_ARC
810 select FW_ARC32 797 select FW_ARC32
811 select BOOT_ELF32 798 select BOOT_ELF32
812 select CEVT_R4K 799 select CEVT_R4K
813 select CSRC_R4K 800 select CSRC_R4K
814 select DMA_NONCOHERENT 801 select DMA_NONCOHERENT
815 select HAVE_PCI 802 select HAVE_PCI
816 select IRQ_MIPS_CPU 803 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 804 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 805 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 806 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 807 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 808 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 809 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 810 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 811 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 812 help
827 If you want this kernel to run on SG 813 If you want this kernel to run on SGI O2 workstation, say Y here.
828 814
>> 815 config SIBYTE_CRHINE
>> 816 bool "Sibyte BCM91120C-CRhine"
>> 817 select BOOT_ELF32
>> 818 select SIBYTE_BCM1120
>> 819 select SWAP_IO_SPACE
>> 820 select SYS_HAS_CPU_SB1
>> 821 select SYS_SUPPORTS_BIG_ENDIAN
>> 822 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 823
>> 824 config SIBYTE_CARMEL
>> 825 bool "Sibyte BCM91120x-Carmel"
>> 826 select BOOT_ELF32
>> 827 select SIBYTE_BCM1120
>> 828 select SWAP_IO_SPACE
>> 829 select SYS_HAS_CPU_SB1
>> 830 select SYS_SUPPORTS_BIG_ENDIAN
>> 831 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 832
829 config SIBYTE_CRHONE 833 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 834 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 835 select BOOT_ELF32
832 select SIBYTE_BCM1125 836 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 837 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 838 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 839 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 840 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 841 select SYS_SUPPORTS_LITTLE_ENDIAN
838 842
839 config SIBYTE_RHONE 843 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 844 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 845 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 846 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 847 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 848 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 849 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 850 select SYS_SUPPORTS_LITTLE_ENDIAN
847 851
848 config SIBYTE_SWARM 852 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 853 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 854 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 855 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 856 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 857 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 858 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 859 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 860 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 861 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 862 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 863 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 864
861 config SIBYTE_LITTLESUR 865 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 866 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 867 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 868 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 869 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 870 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 871 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 872 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 873 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 874 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 875 select ZONE_DMA32 if 64BIT
872 876
873 config SIBYTE_SENTOSA 877 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 878 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 879 select BOOT_ELF32
876 select SIBYTE_SB1250 880 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 881 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 882 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 883 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 884 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 885 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 886
883 config SIBYTE_BIGSUR 887 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 888 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 889 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 890 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 891 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 892 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 893 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 894 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 895 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 896 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 897 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 898 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 899
896 config SNI_RM 900 config SNI_RM
897 bool "SNI RM200/300/400" 901 bool "SNI RM200/300/400"
898 select ARC_MEMORY 902 select ARC_MEMORY
899 select ARC_PROMLIB 903 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 904 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 905 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 906 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 907 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 908 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 909 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 910 select BOOT_ELF32
907 select CEVT_R4K 911 select CEVT_R4K
908 select CSRC_R4K 912 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 913 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 914 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 915 select GENERIC_ISA_DMA
912 select HAVE_EISA 916 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 917 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 918 select HAVE_PCI
915 select IRQ_MIPS_CPU 919 select IRQ_MIPS_CPU
916 select I8253 920 select I8253
917 select I8259 921 select I8259
918 select ISA 922 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 <<
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 923 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 924 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 925 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 926 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 927 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 928 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 929 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 930 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 931 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 932 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 933 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 934 help
933 The SNI RM200/300/400 are MIPS-based 935 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 936 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 937 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 938 support this machine type.
937 939
>> 940 config MACH_TX39XX
>> 941 bool "Toshiba TX39 series based machines"
>> 942
938 config MACH_TX49XX 943 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 944 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 945
942 config MIKROTIK_RB532 946 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 947 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 948 select CEVT_R4K
945 select CSRC_R4K 949 select CSRC_R4K
946 select DMA_NONCOHERENT 950 select DMA_NONCOHERENT
947 select HAVE_PCI 951 select HAVE_PCI
948 select IRQ_MIPS_CPU 952 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 953 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 954 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 955 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 956 select SWAP_IO_SPACE
953 select BOOT_RAW 957 select BOOT_RAW
954 select GPIOLIB 958 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 959 select MIPS_L1_CACHE_SHIFT_4
956 help 960 help
957 Support the Mikrotik(tm) RouterBoard 961 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 962 based on the IDT RC32434 SoC.
959 963
960 config CAVIUM_OCTEON_SOC 964 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 965 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 966 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 967 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 968 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 969 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 970 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 971 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 972 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 973 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 974 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 975 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 976 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 977 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 978 select HAVE_PCI
975 select HAVE_PLAT_DELAY 979 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 980 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 981 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 982 select ZONE_DMA32
>> 983 select HOLES_IN_ZONE
979 select GPIOLIB 984 select GPIOLIB
980 select USE_OF 985 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 986 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 987 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 988 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 989 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 990 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 991 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 992 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 993 select SYS_SUPPORTS_RELOCATABLE
990 help 994 help
991 This option supports all of the Octe 995 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 996 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 997 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 998 Some of the supported boards are:
995 EBT3000 999 EBT3000
996 EBH3000 1000 EBH3000
997 EBH3100 1001 EBH3100
998 Thunder 1002 Thunder
999 Kodama 1003 Kodama
1000 Hikari 1004 Hikari
1001 Say Y here for most Octeon referenc 1005 Say Y here for most Octeon reference boards.
1002 1006
1003 endchoice !! 1007 config NLM_XLR_BOARD
>> 1008 bool "Netlogic XLR/XLS based systems"
>> 1009 select BOOT_ELF32
>> 1010 select NLM_COMMON
>> 1011 select SYS_HAS_CPU_XLR
>> 1012 select SYS_SUPPORTS_SMP
>> 1013 select HAVE_PCI
>> 1014 select SWAP_IO_SPACE
>> 1015 select SYS_SUPPORTS_32BIT_KERNEL
>> 1016 select SYS_SUPPORTS_64BIT_KERNEL
>> 1017 select PHYS_ADDR_T_64BIT
>> 1018 select SYS_SUPPORTS_BIG_ENDIAN
>> 1019 select SYS_SUPPORTS_HIGHMEM
>> 1020 select NR_CPUS_DEFAULT_32
>> 1021 select CEVT_R4K
>> 1022 select CSRC_R4K
>> 1023 select IRQ_MIPS_CPU
>> 1024 select ZONE_DMA32 if 64BIT
>> 1025 select SYNC_R4K
>> 1026 select SYS_HAS_EARLY_PRINTK
>> 1027 select SYS_SUPPORTS_ZBOOT
>> 1028 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1029 help
>> 1030 Support for systems based on Netlogic XLR and XLS processors.
>> 1031 Say Y here if you have a XLR or XLS based board.
1004 1032
1005 config FIT_IMAGE_FDT_EPM5 !! 1033 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1034 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1035 select BOOT_ELF32
1008 default n !! 1036 select NLM_COMMON
>> 1037 select SYS_HAS_CPU_XLP
>> 1038 select SYS_SUPPORTS_SMP
>> 1039 select HAVE_PCI
>> 1040 select SYS_SUPPORTS_32BIT_KERNEL
>> 1041 select SYS_SUPPORTS_64BIT_KERNEL
>> 1042 select PHYS_ADDR_T_64BIT
>> 1043 select GPIOLIB
>> 1044 select SYS_SUPPORTS_BIG_ENDIAN
>> 1045 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1046 select SYS_SUPPORTS_HIGHMEM
>> 1047 select NR_CPUS_DEFAULT_32
>> 1048 select CEVT_R4K
>> 1049 select CSRC_R4K
>> 1050 select IRQ_MIPS_CPU
>> 1051 select ZONE_DMA32 if 64BIT
>> 1052 select SYNC_R4K
>> 1053 select SYS_HAS_EARLY_PRINTK
>> 1054 select USE_OF
>> 1055 select SYS_SUPPORTS_ZBOOT
>> 1056 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1057 help
1010 Enable this to include the FDT for !! 1058 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1059 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1060
>> 1061 config MIPS_PARAVIRT
>> 1062 bool "Para-Virtualized guest system"
>> 1063 select CEVT_R4K
>> 1064 select CSRC_R4K
>> 1065 select SYS_SUPPORTS_64BIT_KERNEL
>> 1066 select SYS_SUPPORTS_32BIT_KERNEL
>> 1067 select SYS_SUPPORTS_BIG_ENDIAN
>> 1068 select SYS_SUPPORTS_SMP
>> 1069 select NR_CPUS_DEFAULT_4
>> 1070 select SYS_HAS_EARLY_PRINTK
>> 1071 select SYS_HAS_CPU_MIPS32_R2
>> 1072 select SYS_HAS_CPU_MIPS64_R2
>> 1073 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1074 select HAVE_PCI
>> 1075 select SWAP_IO_SPACE
>> 1076 help
>> 1077 This option supports guest running under ????
>> 1078
>> 1079 endchoice
1013 1080
1014 source "arch/mips/alchemy/Kconfig" 1081 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1082 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1083 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1084 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1085 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1086 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1087 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" <<
1022 source "arch/mips/jazz/Kconfig" 1088 source "arch/mips/jazz/Kconfig"
>> 1089 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1090 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 1091 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig" 1092 source "arch/mips/pic32/Kconfig"
>> 1093 source "arch/mips/pistachio/Kconfig"
>> 1094 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1095 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1096 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1097 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1098 source "arch/mips/txx9/Kconfig"
>> 1099 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1100 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1101 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1102 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1103 source "arch/mips/loongson64/Kconfig"
>> 1104 source "arch/mips/netlogic/Kconfig"
>> 1105 source "arch/mips/paravirt/Kconfig"
1034 1106
1035 endmenu 1107 endmenu
1036 1108
1037 config GENERIC_HWEIGHT 1109 config GENERIC_HWEIGHT
1038 bool 1110 bool
1039 default y 1111 default y
1040 1112
1041 config GENERIC_CALIBRATE_DELAY 1113 config GENERIC_CALIBRATE_DELAY
1042 bool 1114 bool
1043 default y 1115 default y
1044 1116
1045 config SCHED_OMIT_FRAME_POINTER 1117 config SCHED_OMIT_FRAME_POINTER
1046 bool 1118 bool
1047 default y 1119 default y
1048 1120
1049 # 1121 #
1050 # Select some configuration options automatic 1122 # Select some configuration options automatically based on user selections.
1051 # 1123 #
1052 config FW_ARC 1124 config FW_ARC
1053 bool 1125 bool
1054 1126
1055 config ARCH_MAY_HAVE_PC_FDC 1127 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1128 bool
1057 1129
1058 config BOOT_RAW 1130 config BOOT_RAW
1059 bool 1131 bool
1060 1132
1061 config CEVT_BCM1480 1133 config CEVT_BCM1480
1062 bool 1134 bool
1063 1135
1064 config CEVT_DS1287 1136 config CEVT_DS1287
1065 bool 1137 bool
1066 1138
1067 config CEVT_GT641XX 1139 config CEVT_GT641XX
1068 bool 1140 bool
1069 1141
1070 config CEVT_R4K 1142 config CEVT_R4K
1071 bool 1143 bool
1072 1144
1073 config CEVT_SB1250 1145 config CEVT_SB1250
1074 bool 1146 bool
1075 1147
1076 config CEVT_TXX9 1148 config CEVT_TXX9
1077 bool 1149 bool
1078 1150
1079 config CSRC_BCM1480 1151 config CSRC_BCM1480
1080 bool 1152 bool
1081 1153
1082 config CSRC_IOASIC 1154 config CSRC_IOASIC
1083 bool 1155 bool
1084 1156
1085 config CSRC_R4K 1157 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR <<
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1158 bool
1089 1159
1090 config CSRC_SB1250 1160 config CSRC_SB1250
1091 bool 1161 bool
1092 1162
1093 config MIPS_CLOCK_VSYSCALL 1163 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1164 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1165
1096 config GPIO_TXX9 1166 config GPIO_TXX9
1097 select GPIOLIB 1167 select GPIOLIB
1098 bool 1168 bool
1099 1169
1100 config FW_CFE 1170 config FW_CFE
1101 bool 1171 bool
1102 1172
1103 config ARCH_SUPPORTS_UPROBES 1173 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1174 bool
>> 1175
>> 1176 config DMA_MAYBE_COHERENT
>> 1177 select ARCH_HAS_DMA_COHERENCE_H
>> 1178 select DMA_NONCOHERENT
>> 1179 bool
>> 1180
>> 1181 config DMA_PERDEV_COHERENT
>> 1182 bool
>> 1183 select ARCH_HAS_SETUP_DMA_OPS
>> 1184 select DMA_NONCOHERENT
1105 1185
1106 config DMA_NONCOHERENT 1186 config DMA_NONCOHERENT
1107 bool 1187 bool
1108 # 1188 #
1109 # MIPS allows mixing "slightly differ 1189 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1190 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1191 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1192 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1193 # significant advantages.
1114 # 1194 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1195 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1196 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1197 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1198 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1199 select DMA_NONCOHERENT_MMAP
>> 1200 select DMA_NONCOHERENT_CACHE_SYNC
1122 select NEED_DMA_MAP_STATE 1201 select NEED_DMA_MAP_STATE
1123 1202
1124 config SYS_HAS_EARLY_PRINTK 1203 config SYS_HAS_EARLY_PRINTK
1125 bool 1204 bool
1126 1205
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1206 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1207 bool
1129 1208
1130 config MIPS_BONITO64 1209 config MIPS_BONITO64
1131 bool 1210 bool
1132 1211
1133 config MIPS_MSC 1212 config MIPS_MSC
1134 bool 1213 bool
1135 1214
>> 1215 config MIPS_NILE4
>> 1216 bool
>> 1217
1136 config SYNC_R4K 1218 config SYNC_R4K
1137 bool 1219 bool
1138 1220
>> 1221 config MIPS_MACHINE
>> 1222 def_bool n
>> 1223
1139 config NO_IOPORT_MAP 1224 config NO_IOPORT_MAP
1140 def_bool n 1225 def_bool n
1141 1226
1142 config GENERIC_CSUM 1227 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1228 def_bool CPU_NO_LOAD_STORE_LR
1144 1229
1145 config GENERIC_ISA_DMA 1230 config GENERIC_ISA_DMA
1146 bool 1231 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1232 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1233 select ISA_DMA_API
1149 1234
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1235 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1236 bool
1152 select GENERIC_ISA_DMA 1237 select GENERIC_ISA_DMA
1153 1238
1154 config HAVE_PLAT_DELAY 1239 config HAVE_PLAT_DELAY
1155 bool 1240 bool
1156 1241
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1242 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1243 bool
1159 1244
1160 config HAVE_PLAT_MEMCPY 1245 config HAVE_PLAT_MEMCPY
1161 bool 1246 bool
1162 1247
1163 config ISA_DMA_API 1248 config ISA_DMA_API
1164 bool 1249 bool
1165 1250
>> 1251 config HOLES_IN_ZONE
>> 1252 bool
>> 1253
1166 config SYS_SUPPORTS_RELOCATABLE 1254 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1255 bool
1168 help 1256 help
1169 Selected if the platform supports r 1257 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1258 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1259 to allow access to command line and entropy sources.
1172 1260
>> 1261 config MIPS_CBPF_JIT
>> 1262 def_bool y
>> 1263 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1264
>> 1265 config MIPS_EBPF_JIT
>> 1266 def_bool y
>> 1267 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1268
>> 1269
1173 # 1270 #
1174 # Endianness selection. Sufficiently obscure 1271 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1272 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1273 # choice statement should be more obvious to the user.
1177 # 1274 #
1178 choice 1275 choice
1179 prompt "Endianness selection" 1276 prompt "Endianness selection"
1180 help 1277 help
1181 Some MIPS machines can be configure 1278 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1279 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1280 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1281 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1282 one or the other endianness.
1186 1283
1187 config CPU_BIG_ENDIAN 1284 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1285 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1286 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1287
1191 config CPU_LITTLE_ENDIAN 1288 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1289 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1290 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1291
1195 endchoice 1292 endchoice
1196 1293
1197 config EXPORT_UASM 1294 config EXPORT_UASM
1198 bool 1295 bool
1199 1296
1200 config SYS_SUPPORTS_APM_EMULATION 1297 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1298 bool
1202 1299
1203 config SYS_SUPPORTS_BIG_ENDIAN 1300 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1301 bool
1205 1302
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1303 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1304 bool
1208 1305
>> 1306 config SYS_SUPPORTS_HUGETLBFS
>> 1307 bool
>> 1308 depends on CPU_SUPPORTS_HUGEPAGES
>> 1309 default y
>> 1310
1209 config MIPS_HUGE_TLB_SUPPORT 1311 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1312 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1313
>> 1314 config IRQ_CPU_RM7K
>> 1315 bool
>> 1316
>> 1317 config IRQ_MSP_SLP
>> 1318 bool
>> 1319
>> 1320 config IRQ_MSP_CIC
>> 1321 bool
>> 1322
1212 config IRQ_TXX9 1323 config IRQ_TXX9
1213 bool 1324 bool
1214 1325
1215 config IRQ_GT641XX 1326 config IRQ_GT641XX
1216 bool 1327 bool
1217 1328
1218 config PCI_GT64XXX_PCI0 1329 config PCI_GT64XXX_PCI0
1219 bool 1330 bool
1220 1331
1221 config PCI_XTALK_BRIDGE 1332 config PCI_XTALK_BRIDGE
1222 bool 1333 bool
1223 1334
1224 config NO_EXCEPT_FILL 1335 config NO_EXCEPT_FILL
1225 bool 1336 bool
1226 1337
>> 1338 config SOC_EMMA2RH
>> 1339 bool
>> 1340 select CEVT_R4K
>> 1341 select CSRC_R4K
>> 1342 select DMA_NONCOHERENT
>> 1343 select IRQ_MIPS_CPU
>> 1344 select SWAP_IO_SPACE
>> 1345 select SYS_HAS_CPU_R5500
>> 1346 select SYS_SUPPORTS_32BIT_KERNEL
>> 1347 select SYS_SUPPORTS_64BIT_KERNEL
>> 1348 select SYS_SUPPORTS_BIG_ENDIAN
>> 1349
>> 1350 config SOC_PNX833X
>> 1351 bool
>> 1352 select CEVT_R4K
>> 1353 select CSRC_R4K
>> 1354 select IRQ_MIPS_CPU
>> 1355 select DMA_NONCOHERENT
>> 1356 select SYS_HAS_CPU_MIPS32_R2
>> 1357 select SYS_SUPPORTS_32BIT_KERNEL
>> 1358 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1359 select SYS_SUPPORTS_BIG_ENDIAN
>> 1360 select SYS_SUPPORTS_MIPS16
>> 1361 select CPU_MIPSR2_IRQ_VI
>> 1362
>> 1363 config SOC_PNX8335
>> 1364 bool
>> 1365 select SOC_PNX833X
>> 1366
1227 config MIPS_SPRAM 1367 config MIPS_SPRAM
1228 bool 1368 bool
1229 1369
1230 config SWAP_IO_SPACE 1370 config SWAP_IO_SPACE
1231 bool 1371 bool
1232 1372
1233 config SGI_HAS_INDYDOG 1373 config SGI_HAS_INDYDOG
1234 bool 1374 bool
1235 1375
1236 config SGI_HAS_HAL2 1376 config SGI_HAS_HAL2
1237 bool 1377 bool
1238 1378
1239 config SGI_HAS_SEEQ 1379 config SGI_HAS_SEEQ
1240 bool 1380 bool
1241 1381
1242 config SGI_HAS_WD93 1382 config SGI_HAS_WD93
1243 bool 1383 bool
1244 1384
1245 config SGI_HAS_ZILOG 1385 config SGI_HAS_ZILOG
1246 bool 1386 bool
1247 1387
1248 config SGI_HAS_I8042 1388 config SGI_HAS_I8042
1249 bool 1389 bool
1250 1390
1251 config DEFAULT_SGI_PARTITION 1391 config DEFAULT_SGI_PARTITION
1252 bool 1392 bool
1253 1393
1254 config FW_ARC32 1394 config FW_ARC32
1255 bool 1395 bool
1256 1396
1257 config FW_SNIPROM 1397 config FW_SNIPROM
1258 bool 1398 bool
1259 1399
1260 config BOOT_ELF32 1400 config BOOT_ELF32
1261 bool 1401 bool
1262 1402
1263 config MIPS_L1_CACHE_SHIFT_4 1403 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1404 bool
1265 1405
1266 config MIPS_L1_CACHE_SHIFT_5 1406 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1407 bool
1268 1408
1269 config MIPS_L1_CACHE_SHIFT_6 1409 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1410 bool
1271 1411
1272 config MIPS_L1_CACHE_SHIFT_7 1412 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1413 bool
1274 1414
1275 config MIPS_L1_CACHE_SHIFT 1415 config MIPS_L1_CACHE_SHIFT
1276 int 1416 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1417 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1418 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1419 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1420 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1421 default "5"
1282 1422
>> 1423 config HAVE_STD_PC_SERIAL_PORT
>> 1424 bool
>> 1425
1283 config ARC_CMDLINE_ONLY 1426 config ARC_CMDLINE_ONLY
1284 bool 1427 bool
1285 1428
1286 config ARC_CONSOLE 1429 config ARC_CONSOLE
1287 bool "ARC console support" 1430 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1431 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1432
1290 config ARC_MEMORY 1433 config ARC_MEMORY
1291 bool 1434 bool
1292 1435
1293 config ARC_PROMLIB 1436 config ARC_PROMLIB
1294 bool 1437 bool
1295 1438
1296 config FW_ARC64 1439 config FW_ARC64
1297 bool 1440 bool
1298 1441
1299 config BOOT_ELF64 1442 config BOOT_ELF64
1300 bool 1443 bool
1301 1444
1302 menu "CPU selection" 1445 menu "CPU selection"
1303 1446
1304 choice 1447 choice
1305 prompt "CPU type" 1448 prompt "CPU type"
1306 default CPU_R4X00 1449 default CPU_R4X00
1307 1450
1308 config CPU_LOONGSON64 1451 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1452 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1453 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1454 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1455 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1456 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1457 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1458 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1459 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1460 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1461 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1462 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1463 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1464 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1465 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1466 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1467 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1468 select GPIOLIB
1329 select SWIOTLB 1469 select SWIOTLB
1330 help 1470 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1471 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr !! 1472 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 !! 1473 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1474 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here !! 1475 Loongson-2E/2F is not covered here and will be removed in future.
>> 1476
>> 1477 config LOONGSON3_ENHANCEMENT
>> 1478 bool "New Loongson-3 CPU Enhancements"
>> 1479 default n
>> 1480 depends on CPU_LOONGSON64
>> 1481 help
>> 1482 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1483 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1484 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1485 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1486 Fast TLB refill support, etc.
>> 1487
>> 1488 This option enable those enhancements which are not probed at run
>> 1489 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1490 please say 'N' here. If you want a high-performance kernel to run on
>> 1491 new Loongson-3 machines only, please say 'Y' here.
>> 1492
>> 1493 config CPU_LOONGSON3_WORKAROUNDS
>> 1494 bool "Old Loongson-3 LLSC Workarounds"
>> 1495 default y if SMP
>> 1496 depends on CPU_LOONGSON64
>> 1497 help
>> 1498 Loongson-3 processors have the llsc issues which require workarounds.
>> 1499 Without workarounds the system may hang unexpectedly.
>> 1500
>> 1501 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1502 The workarounds have no significant side effect on them but may
>> 1503 decrease the performance of the system so this option should be
>> 1504 disabled unless the kernel is intended to be run on old systems.
>> 1505
>> 1506 If unsure, please say Y.
1336 1507
1337 config CPU_LOONGSON2E 1508 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1509 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1510 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1511 select CPU_LOONGSON2EF
1341 help 1512 help
1342 The Loongson 2E processor implement 1513 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1514 with many extensions.
1344 1515
1345 It has an internal FPGA northbridge 1516 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1517 bonito64.
1347 1518
1348 config CPU_LOONGSON2F 1519 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1520 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1521 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1522 select CPU_LOONGSON2EF
>> 1523 select GPIOLIB
1352 help 1524 help
1353 The Loongson 2F processor implement 1525 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1526 with many extensions.
1355 1527
1356 Loongson2F have built-in DDR2 and P 1528 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1529 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1530 Loongson2E.
1359 1531
1360 config CPU_LOONGSON1B 1532 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1533 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1534 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1535 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1536 select LEDS_GPIO_REGISTER
1365 help 1537 help
1366 The Loongson 1B is a 32-bit SoC, wh 1538 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1539 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1540 instruction set.
1369 1541
1370 config CPU_LOONGSON1C 1542 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1543 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1544 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1545 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1546 select LEDS_GPIO_REGISTER
1375 help 1547 help
1376 The Loongson 1C is a 32-bit SoC, wh 1548 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1549 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1550 instruction set.
1379 1551
1380 config CPU_MIPS32_R1 1552 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1553 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1554 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1555 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1556 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1557 select CPU_SUPPORTS_HIGHMEM
1386 help 1558 help
1387 Choose this option to build a kerne 1559 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1560 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1561 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1562 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1563 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1564 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1565 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1566 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1567 performance.
1396 1568
1397 config CPU_MIPS32_R2 1569 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1570 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1571 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1572 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1573 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1574 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1575 select CPU_SUPPORTS_MSA
>> 1576 select HAVE_KVM
1404 help 1577 help
1405 Choose this option to build a kerne 1578 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1579 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1580 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1581 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1582 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1583
1411 config CPU_MIPS32_R5 <<
1412 bool "MIPS32 Release 5" <<
1413 depends on SYS_HAS_CPU_MIPS32_R5 <<
1414 select CPU_HAS_PREFETCH <<
1415 select CPU_SUPPORTS_32BIT_KERNEL <<
1416 select CPU_SUPPORTS_HIGHMEM <<
1417 select CPU_SUPPORTS_MSA <<
1418 select CPU_SUPPORTS_VZ <<
1419 select MIPS_O32_FP64_SUPPORT <<
1420 help <<
1421 Choose this option to build a kerne <<
1422 MIPS32 architecture. New MIPS proc <<
1423 family, are based on a MIPS32r5 pro <<
1424 processor, you probably need to sel <<
1425 <<
1426 config CPU_MIPS32_R6 1584 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1585 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1586 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1587 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1588 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1589 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1590 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1591 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1592 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1593 select MIPS_O32_FP64_SUPPORT
1436 help 1594 help
1437 Choose this option to build a kerne 1595 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1596 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1597 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1598 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1599
1442 config CPU_MIPS64_R1 1600 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1601 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1602 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1603 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1604 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1605 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1606 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1607 select CPU_SUPPORTS_HUGEPAGES
1450 help 1608 help
1451 Choose this option to build a kerne 1609 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1610 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1611 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1612 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1613 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1614 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1615 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1616 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1617 performance.
1460 1618
1461 config CPU_MIPS64_R2 1619 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1620 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1621 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1622 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1623 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1624 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1625 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1626 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1627 select CPU_SUPPORTS_MSA
>> 1628 select HAVE_KVM
1470 help 1629 help
1471 Choose this option to build a kerne 1630 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1631 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1632 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1633 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1634 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1635
1477 config CPU_MIPS64_R5 <<
1478 bool "MIPS64 Release 5" <<
1479 depends on SYS_HAS_CPU_MIPS64_R5 <<
1480 select CPU_HAS_PREFETCH <<
1481 select CPU_SUPPORTS_32BIT_KERNEL <<
1482 select CPU_SUPPORTS_64BIT_KERNEL <<
1483 select CPU_SUPPORTS_HIGHMEM <<
1484 select CPU_SUPPORTS_HUGEPAGES <<
1485 select CPU_SUPPORTS_MSA <<
1486 select MIPS_O32_FP64_SUPPORT if 32BIT <<
1487 select CPU_SUPPORTS_VZ <<
1488 help <<
1489 Choose this option to build a kerne <<
1490 MIPS64 architecture. This is a int <<
1491 release partly implementing release <<
1492 any hardware known to be based on t <<
1493 <<
1494 config CPU_MIPS64_R6 1636 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1637 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1638 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1639 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1640 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1641 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1642 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1643 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1644 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1645 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1646 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1647 select HAVE_KVM
1506 help 1648 help
1507 Choose this option to build a kerne 1649 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1650 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1651 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1652 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1653
1512 config CPU_P5600 <<
1513 bool "MIPS Warrior P5600" <<
1514 depends on SYS_HAS_CPU_P5600 <<
1515 select CPU_HAS_PREFETCH <<
1516 select CPU_SUPPORTS_32BIT_KERNEL <<
1517 select CPU_SUPPORTS_HIGHMEM <<
1518 select CPU_SUPPORTS_MSA <<
1519 select CPU_SUPPORTS_CPUFREQ <<
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI <<
1522 select CPU_MIPSR2_IRQ_EI <<
1523 select MIPS_O32_FP64_SUPPORT <<
1524 help <<
1525 Choose this option to build a kerne <<
1526 It's based on MIPS32r5 ISA with XPA <<
1527 MMU with two-levels TLB, UCA, MSA, <<
1528 level features like up to six P5600 <<
1529 cache, IOCU/IOMMU (though might be <<
1530 specific IP core configuration), GI <<
1531 eJTAG and PDtrace. <<
1532 <<
1533 config CPU_R3000 1654 config CPU_R3000
1534 bool "R3000" 1655 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1656 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1657 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1658 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1659 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1660 select CPU_SUPPORTS_HIGHMEM
1540 help 1661 help
1541 Please make sure to pick the right 1662 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1663 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1664 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1665 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1666 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1667 try to recompile with R3000.
1547 1668
1548 config CPU_R4300 !! 1669 config CPU_TX39XX
1549 bool "R4300" !! 1670 bool "R39XX"
1550 depends on SYS_HAS_CPU_R4300 !! 1671 depends on SYS_HAS_CPU_TX39XX
>> 1672 select CPU_SUPPORTS_32BIT_KERNEL
>> 1673 select CPU_R3K_TLB
>> 1674
>> 1675 config CPU_VR41XX
>> 1676 bool "R41xx"
>> 1677 depends on SYS_HAS_CPU_VR41XX
1551 select CPU_SUPPORTS_32BIT_KERNEL 1678 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1679 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1680 help
1554 MIPS Technologies R4300-series proc !! 1681 The options selects support for the NEC VR4100 series of processors.
>> 1682 Only choose this option if you have one of these processors as a
>> 1683 kernel built with this option will not run on any other type of
>> 1684 processor or vice versa.
1555 1685
1556 config CPU_R4X00 1686 config CPU_R4X00
1557 bool "R4x00" 1687 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1688 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1689 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1690 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1691 select CPU_SUPPORTS_HUGEPAGES
1562 help 1692 help
1563 MIPS Technologies R4000-series proc 1693 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1694 the R4000, R4400, R4600, and 4700.
1565 1695
1566 config CPU_TX49XX 1696 config CPU_TX49XX
1567 bool "R49XX" 1697 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1698 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1699 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1700 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1701 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1702 select CPU_SUPPORTS_HUGEPAGES
1573 1703
1574 config CPU_R5000 1704 config CPU_R5000
1575 bool "R5000" 1705 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1706 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1707 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1708 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1709 select CPU_SUPPORTS_HUGEPAGES
1580 help 1710 help
1581 MIPS Technologies R5000-series proc 1711 MIPS Technologies R5000-series processors other than the Nevada.
1582 1712
1583 config CPU_R5500 1713 config CPU_R5500
1584 bool "R5500" 1714 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1715 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1716 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1717 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1718 select CPU_SUPPORTS_HUGEPAGES
1589 help 1719 help
1590 NEC VR5500 and VR5500A series proce 1720 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1721 instruction set.
1592 1722
1593 config CPU_NEVADA 1723 config CPU_NEVADA
1594 bool "RM52xx" 1724 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1725 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1726 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1727 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1728 select CPU_SUPPORTS_HUGEPAGES
1599 help 1729 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1730 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1731
1602 config CPU_R10000 1732 config CPU_R10000
1603 bool "R10000" 1733 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1734 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1735 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1736 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1737 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1738 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1739 select CPU_SUPPORTS_HUGEPAGES
1610 help 1740 help
1611 MIPS Technologies R10000-series pro 1741 MIPS Technologies R10000-series processors.
1612 1742
1613 config CPU_RM7000 1743 config CPU_RM7000
1614 bool "RM7000" 1744 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1745 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1746 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1747 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1748 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1749 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1750 select CPU_SUPPORTS_HUGEPAGES
1621 1751
1622 config CPU_SB1 1752 config CPU_SB1
1623 bool "SB1" 1753 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1754 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1755 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1756 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1757 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1758 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1759 select WEAK_ORDERING
1630 1760
1631 config CPU_CAVIUM_OCTEON 1761 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1762 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1763 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1764 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1765 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 1766 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1767 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1768 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1769 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1770 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1771 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1772 select HAVE_KVM
1645 help 1773 help
1646 The Cavium Octeon processor is a hi 1774 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1775 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1776 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1777 Full details can be found at http://www.caviumnetworks.com.
1650 1778
1651 config CPU_BMIPS 1779 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1780 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1781 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1782 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1783 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1784 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1785 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1786 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1787 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1788 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1789 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1790 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1791 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1792 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1793 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1794 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1795 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1796 help
1670 Support for BMIPS32/3300/4350/4380 1797 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1798
1672 endchoice !! 1799 config CPU_XLR
1673 !! 1800 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1801 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1802 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1803 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1804 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1805 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1806 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1807 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 1808 help
1695 Loongson-3 processors have the llsc !! 1809 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 1810
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1811 config CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1812 bool "Netlogic XLP SoC"
1702 default y !! 1813 depends on SYS_HAS_CPU_XLP
1703 depends on CPU_LOONGSON64 !! 1814 select CPU_SUPPORTS_32BIT_KERNEL
>> 1815 select CPU_SUPPORTS_64BIT_KERNEL
>> 1816 select CPU_SUPPORTS_HIGHMEM
>> 1817 select WEAK_ORDERING
>> 1818 select WEAK_REORDERING_BEYOND_LLSC
>> 1819 select CPU_HAS_PREFETCH
>> 1820 select CPU_MIPSR2
>> 1821 select CPU_SUPPORTS_HUGEPAGES
>> 1822 select MIPS_ASID_BITS_VARIABLE
1704 help 1823 help
1705 Loongson-3A R4 and newer have the C !! 1824 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1825 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1826
1712 config CPU_MIPS32_3_5_FEATURES 1827 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1828 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1829 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1830 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716 CPU_P5600 <<
1717 help 1831 help
1718 Choose this option to build a kerne 1832 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1833 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1834 support for Enhanced Virtual Addressing (EVA).
1721 1835
1722 config CPU_MIPS32_3_5_EVA 1836 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1837 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1838 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1839 select EVA
1726 default y 1840 default y
1727 help 1841 help
1728 Choose this option if you want to e 1842 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1843 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1844 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1845 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1846
1733 config CPU_MIPS32_R5_FEATURES 1847 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1848 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1849 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1850 depends on CPU_MIPS32_R2
1737 help 1851 help
1738 Choose this option to build a kerne 1852 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1853 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1854 support for Extended Physical Addressing (XPA).
1741 1855
1742 config CPU_MIPS32_R5_XPA 1856 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1857 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1858 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1859 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1860 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1861 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1862 select XPA
1749 select HIGHMEM 1863 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1864 select PHYS_ADDR_T_64BIT
1751 default n 1865 default n
1752 help 1866 help
1753 Choose this option if you want to e 1867 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1868 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1869 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1870 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1871 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1872 If unsure, say 'N' here.
1759 1873
1760 if CPU_LOONGSON2F 1874 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1875 config CPU_NOP_WORKAROUNDS
1762 bool 1876 bool
1763 1877
1764 config CPU_JUMP_WORKAROUNDS 1878 config CPU_JUMP_WORKAROUNDS
1765 bool 1879 bool
1766 1880
1767 config CPU_LOONGSON2F_WORKAROUNDS 1881 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1882 bool "Loongson 2F Workarounds"
1769 default y 1883 default y
1770 select CPU_NOP_WORKAROUNDS 1884 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1885 select CPU_JUMP_WORKAROUNDS
1772 help 1886 help
1773 Loongson 2F01 / 2F02 processors hav 1887 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1888 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1889 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1890 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1891
1778 Loongson 2F03 and later have fixed 1892 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1893 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1894 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1895 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1896 systems.
1783 1897
1784 If unsure, please say Y. 1898 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1899 endif # CPU_LOONGSON2F
1786 1900
1787 config SYS_SUPPORTS_ZBOOT 1901 config SYS_SUPPORTS_ZBOOT
1788 bool 1902 bool
1789 select HAVE_KERNEL_GZIP 1903 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1904 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1905 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1906 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1907 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1908 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD <<
1796 1909
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1910 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1911 bool
1799 select SYS_SUPPORTS_ZBOOT 1912 select SYS_SUPPORTS_ZBOOT
1800 1913
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1914 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1915 bool
1803 select SYS_SUPPORTS_ZBOOT 1916 select SYS_SUPPORTS_ZBOOT
1804 1917
1805 config CPU_LOONGSON2EF 1918 config CPU_LOONGSON2EF
1806 bool 1919 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1920 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1921 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1922 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1923 select CPU_SUPPORTS_HUGEPAGES
>> 1924 select ARCH_HAS_PHYS_TO_DMA
1811 1925
1812 config CPU_LOONGSON32 1926 config CPU_LOONGSON32
1813 bool 1927 bool
1814 select CPU_MIPS32 1928 select CPU_MIPS32
1815 select CPU_MIPSR2 1929 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1930 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1931 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1932 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1933 select CPU_SUPPORTS_CPUFREQ
1820 1934
1821 config CPU_BMIPS32_3300 1935 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1936 select SMP_UP if SMP
1823 bool 1937 bool
1824 1938
1825 config CPU_BMIPS4350 1939 config CPU_BMIPS4350
1826 bool 1940 bool
1827 select SYS_SUPPORTS_SMP 1941 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1942 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1943
1830 config CPU_BMIPS4380 1944 config CPU_BMIPS4380
1831 bool 1945 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1946 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1947 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1948 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1949 select CPU_HAS_RIXI
1836 1950
1837 config CPU_BMIPS5000 1951 config CPU_BMIPS5000
1838 bool 1952 bool
1839 select MIPS_CPU_SCACHE 1953 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1954 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1955 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1956 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1957 select CPU_HAS_RIXI
1844 1958
1845 config SYS_HAS_CPU_LOONGSON64 1959 config SYS_HAS_CPU_LOONGSON64
1846 bool 1960 bool
1847 select CPU_SUPPORTS_CPUFREQ 1961 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1962 select CPU_HAS_RIXI
1849 1963
1850 config SYS_HAS_CPU_LOONGSON2E 1964 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1965 bool
1852 1966
1853 config SYS_HAS_CPU_LOONGSON2F 1967 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1968 bool
1855 select CPU_SUPPORTS_CPUFREQ 1969 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1970 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1971
1858 config SYS_HAS_CPU_LOONGSON1B 1972 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1973 bool
1860 1974
1861 config SYS_HAS_CPU_LOONGSON1C 1975 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1976 bool
1863 1977
1864 config SYS_HAS_CPU_MIPS32_R1 1978 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1979 bool
1866 1980
1867 config SYS_HAS_CPU_MIPS32_R2 1981 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1982 bool
1869 1983
1870 config SYS_HAS_CPU_MIPS32_R3_5 1984 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1985 bool
1872 1986
1873 config SYS_HAS_CPU_MIPS32_R5 1987 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1988 bool
>> 1989 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1990
1876 config SYS_HAS_CPU_MIPS32_R6 1991 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1992 bool
>> 1993 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1994
1879 config SYS_HAS_CPU_MIPS64_R1 1995 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1996 bool
1881 1997
1882 config SYS_HAS_CPU_MIPS64_R2 1998 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1999 bool
1884 2000
1885 config SYS_HAS_CPU_MIPS64_R5 <<
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 2001 config SYS_HAS_CPU_MIPS64_R6
1889 bool 2002 bool
>> 2003 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 2004
1891 config SYS_HAS_CPU_P5600 !! 2005 config SYS_HAS_CPU_R3000
1892 bool 2006 bool
1893 2007
1894 config SYS_HAS_CPU_R3000 !! 2008 config SYS_HAS_CPU_TX39XX
1895 bool 2009 bool
1896 2010
1897 config SYS_HAS_CPU_R4300 !! 2011 config SYS_HAS_CPU_VR41XX
1898 bool 2012 bool
1899 2013
1900 config SYS_HAS_CPU_R4X00 2014 config SYS_HAS_CPU_R4X00
1901 bool 2015 bool
1902 2016
1903 config SYS_HAS_CPU_TX49XX 2017 config SYS_HAS_CPU_TX49XX
1904 bool 2018 bool
1905 2019
1906 config SYS_HAS_CPU_R5000 2020 config SYS_HAS_CPU_R5000
1907 bool 2021 bool
1908 2022
1909 config SYS_HAS_CPU_R5500 2023 config SYS_HAS_CPU_R5500
1910 bool 2024 bool
1911 2025
1912 config SYS_HAS_CPU_NEVADA 2026 config SYS_HAS_CPU_NEVADA
1913 bool 2027 bool
1914 2028
1915 config SYS_HAS_CPU_R10000 2029 config SYS_HAS_CPU_R10000
1916 bool 2030 bool
>> 2031 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2032
1918 config SYS_HAS_CPU_RM7000 2033 config SYS_HAS_CPU_RM7000
1919 bool 2034 bool
1920 2035
1921 config SYS_HAS_CPU_SB1 2036 config SYS_HAS_CPU_SB1
1922 bool 2037 bool
1923 2038
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2039 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2040 bool
1926 2041
1927 config SYS_HAS_CPU_BMIPS 2042 config SYS_HAS_CPU_BMIPS
1928 bool 2043 bool
1929 2044
1930 config SYS_HAS_CPU_BMIPS32_3300 2045 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2046 bool
1932 select SYS_HAS_CPU_BMIPS 2047 select SYS_HAS_CPU_BMIPS
1933 2048
1934 config SYS_HAS_CPU_BMIPS4350 2049 config SYS_HAS_CPU_BMIPS4350
1935 bool 2050 bool
1936 select SYS_HAS_CPU_BMIPS 2051 select SYS_HAS_CPU_BMIPS
1937 2052
1938 config SYS_HAS_CPU_BMIPS4380 2053 config SYS_HAS_CPU_BMIPS4380
1939 bool 2054 bool
1940 select SYS_HAS_CPU_BMIPS 2055 select SYS_HAS_CPU_BMIPS
1941 2056
1942 config SYS_HAS_CPU_BMIPS5000 2057 config SYS_HAS_CPU_BMIPS5000
1943 bool 2058 bool
1944 select SYS_HAS_CPU_BMIPS 2059 select SYS_HAS_CPU_BMIPS
>> 2060 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2061
>> 2062 config SYS_HAS_CPU_XLR
>> 2063 bool
>> 2064
>> 2065 config SYS_HAS_CPU_XLP
>> 2066 bool
1945 2067
1946 # 2068 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2069 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2070 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2071 #
1950 config WEAK_ORDERING 2072 config WEAK_ORDERING
1951 bool 2073 bool
1952 2074
1953 # 2075 #
1954 # CPU may reorder reads and writes beyond LL/ 2076 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2077 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2078 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2079 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2080 bool
1959 endmenu 2081 endmenu
1960 2082
1961 # 2083 #
1962 # These two indicate any level of the MIPS32 2084 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2085 #
1964 config CPU_MIPS32 2086 config CPU_MIPS32
1965 bool 2087 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 2088 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 2089
1969 config CPU_MIPS64 2090 config CPU_MIPS64
1970 bool 2091 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 2092 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 2093
1974 # 2094 #
1975 # These indicate the revision of the architec 2095 # These indicate the revision of the architecture
1976 # 2096 #
1977 config CPU_MIPSR1 2097 config CPU_MIPSR1
1978 bool 2098 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2099 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2100
1981 config CPU_MIPSR2 2101 config CPU_MIPSR2
1982 bool 2102 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2103 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2104 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2105 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2106 select MIPS_SPRAM
1987 2107
1988 config CPU_MIPSR5 <<
1989 bool <<
1990 default y if CPU_MIPS32_R5 || CPU_MIP <<
1991 select CPU_HAS_RIXI <<
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK <<
1993 select MIPS_SPRAM <<
1994 <<
1995 config CPU_MIPSR6 2108 config CPU_MIPSR6
1996 bool 2109 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2110 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2111 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2112 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2113 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2114 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2115 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2116 select MIPS_SPRAM
2004 2117
2005 config TARGET_ISA_REV 2118 config TARGET_ISA_REV
2006 int 2119 int
2007 default 1 if CPU_MIPSR1 2120 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2121 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 <<
2010 default 6 if CPU_MIPSR6 2122 default 6 if CPU_MIPSR6
2011 default 0 2123 default 0
2012 help 2124 help
2013 Reflects the ISA revision being tar 2125 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2126 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2127
2016 config EVA 2128 config EVA
2017 bool 2129 bool
2018 2130
2019 config XPA 2131 config XPA
2020 bool 2132 bool
2021 2133
2022 config SYS_SUPPORTS_32BIT_KERNEL 2134 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2135 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2136 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2137 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2138 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2139 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2140 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2141 bool
2030 config CPU_SUPPORTS_CPUFREQ 2142 config CPU_SUPPORTS_CPUFREQ
2031 bool 2143 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2144 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2145 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2146 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2147 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2148 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2149 config MIPS_PGD_C0_CONTEXT
2040 bool 2150 bool
2041 depends on 64BIT !! 2151 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2152
2044 # 2153 #
2045 # Set to y for ptrace access to watch registe 2154 # Set to y for ptrace access to watch registers.
2046 # 2155 #
2047 config HARDWARE_WATCHPOINTS 2156 config HARDWARE_WATCHPOINTS
2048 bool 2157 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2158 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2159
2051 menu "Kernel type" 2160 menu "Kernel type"
2052 2161
2053 choice 2162 choice
2054 prompt "Kernel code model" 2163 prompt "Kernel code model"
2055 help 2164 help
2056 You should only select this option 2165 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2166 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2167 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2168 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2169
2061 config 32BIT 2170 config 32BIT
2062 bool "32-bit kernel" 2171 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2172 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2173 select TRAD_SIGNALS
2065 help 2174 help
2066 Select this option if you want to b 2175 Select this option if you want to build a 32-bit kernel.
2067 2176
2068 config 64BIT 2177 config 64BIT
2069 bool "64-bit kernel" 2178 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2179 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2180 help
2072 Select this option if you want to b 2181 Select this option if you want to build a 64-bit kernel.
2073 2182
2074 endchoice 2183 endchoice
2075 2184
>> 2185 config KVM_GUEST
>> 2186 bool "KVM Guest Kernel"
>> 2187 depends on BROKEN_ON_SMP
>> 2188 help
>> 2189 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2190 mode.
>> 2191
>> 2192 config KVM_GUEST_TIMER_FREQ
>> 2193 int "Count/Compare Timer Frequency (MHz)"
>> 2194 depends on KVM_GUEST
>> 2195 default 100
>> 2196 help
>> 2197 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2198 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2199 timer frequency is specified directly.
>> 2200
2076 config MIPS_VA_BITS_48 2201 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2202 bool "48 bits virtual memory"
2078 depends on 64BIT 2203 depends on 64BIT
2079 help 2204 help
2080 Support a maximum at least 48 bits 2205 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2206 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2207 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2208 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2209 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2210 overhead as well as slower TLB fault handling.
2086 2211
2087 If unsure, say N. 2212 If unsure, say N.
2088 2213
2089 config ZBOOT_LOAD_ADDRESS !! 2214 choice
2090 hex "Compressed kernel load address" !! 2215 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2216 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2217
2097 This is only used if non-zero. !! 2218 config PAGE_SIZE_4KB
>> 2219 bool "4kB"
>> 2220 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2221 help
>> 2222 This option select the standard 4kB Linux page size. On some
>> 2223 R3000-family processors this is the only available page size. Using
>> 2224 4kB page size will minimize memory consumption and is therefore
>> 2225 recommended for low memory systems.
>> 2226
>> 2227 config PAGE_SIZE_8KB
>> 2228 bool "8kB"
>> 2229 depends on CPU_CAVIUM_OCTEON
>> 2230 depends on !MIPS_VA_BITS_48
>> 2231 help
>> 2232 Using 8kB page size will result in higher performance kernel at
>> 2233 the price of higher memory consumption. This option is available
>> 2234 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2235 distribution to support this.
>> 2236
>> 2237 config PAGE_SIZE_16KB
>> 2238 bool "16kB"
>> 2239 depends on !CPU_R3000 && !CPU_TX39XX
>> 2240 help
>> 2241 Using 16kB page size will result in higher performance kernel at
>> 2242 the price of higher memory consumption. This option is available on
>> 2243 all non-R3000 family processors. Note that you will need a suitable
>> 2244 Linux distribution to support this.
>> 2245
>> 2246 config PAGE_SIZE_32KB
>> 2247 bool "32kB"
>> 2248 depends on CPU_CAVIUM_OCTEON
>> 2249 depends on !MIPS_VA_BITS_48
>> 2250 help
>> 2251 Using 32kB page size will result in higher performance kernel at
>> 2252 the price of higher memory consumption. This option is available
>> 2253 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2254 distribution to support this.
>> 2255
>> 2256 config PAGE_SIZE_64KB
>> 2257 bool "64kB"
>> 2258 depends on !CPU_R3000 && !CPU_TX39XX
>> 2259 help
>> 2260 Using 64kB page size will result in higher performance kernel at
>> 2261 the price of higher memory consumption. This option is available on
>> 2262 all non-R3000 family processor. Not that at the time of this
>> 2263 writing this option is still high experimental.
>> 2264
>> 2265 endchoice
2098 2266
2099 config ARCH_FORCE_MAX_ORDER !! 2267 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2268 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2269 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2270 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2271 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2272 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2273 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2274 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2275 range 11 64
>> 2276 default "11"
2105 help 2277 help
2106 The kernel memory allocator divides 2278 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2279 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2280 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2281 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2282 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2283 increase this value.
2112 2284
>> 2285 This config option is actually maximum order plus one. For example,
>> 2286 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2287
2113 The page size is not necessarily 4K 2288 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2289 when choosing a value for this option.
2115 2290
2116 config BOARD_SCACHE 2291 config BOARD_SCACHE
2117 bool 2292 bool
2118 2293
2119 config IP22_CPU_SCACHE 2294 config IP22_CPU_SCACHE
2120 bool 2295 bool
2121 select BOARD_SCACHE 2296 select BOARD_SCACHE
2122 2297
2123 # 2298 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2299 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2300 #
2126 config MIPS_CPU_SCACHE 2301 config MIPS_CPU_SCACHE
2127 bool 2302 bool
2128 select BOARD_SCACHE 2303 select BOARD_SCACHE
2129 2304
2130 config R5000_CPU_SCACHE 2305 config R5000_CPU_SCACHE
2131 bool 2306 bool
2132 select BOARD_SCACHE 2307 select BOARD_SCACHE
2133 2308
2134 config RM7000_CPU_SCACHE 2309 config RM7000_CPU_SCACHE
2135 bool 2310 bool
2136 select BOARD_SCACHE 2311 select BOARD_SCACHE
2137 2312
2138 config SIBYTE_DMA_PAGEOPS 2313 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2314 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2315 depends on CPU_SB1
2141 help 2316 help
2142 Instead of using the CPU to zero an 2317 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2318 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2319 SiByte Linux port. Seems to give a small performance benefit.
2145 2320
2146 config CPU_HAS_PREFETCH 2321 config CPU_HAS_PREFETCH
2147 bool 2322 bool
2148 2323
2149 config CPU_GENERIC_DUMP_TLB 2324 config CPU_GENERIC_DUMP_TLB
2150 bool 2325 bool
2151 default y if !CPU_R3000 !! 2326 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2327
2153 config MIPS_FP_SUPPORT 2328 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2329 bool "Floating Point support" if EXPERT
2155 default y 2330 default y
2156 help 2331 help
2157 Select y to include support for flo 2332 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2333 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2334 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2335 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2336 receive a SIGILL.
2162 2337
2163 If you know that your userland will 2338 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2339 instructions then you can say n here to shrink the kernel a little.
2165 2340
2166 If unsure, say y. 2341 If unsure, say y.
2167 2342
2168 config CPU_R2300_FPU 2343 config CPU_R2300_FPU
2169 bool 2344 bool
2170 depends on MIPS_FP_SUPPORT 2345 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2346 default y if CPU_R3000 || CPU_TX39XX
2172 2347
2173 config CPU_R3K_TLB 2348 config CPU_R3K_TLB
2174 bool 2349 bool
2175 2350
2176 config CPU_R4K_FPU 2351 config CPU_R4K_FPU
2177 bool 2352 bool
2178 depends on MIPS_FP_SUPPORT 2353 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2354 default y if !CPU_R2300_FPU
2180 2355
2181 config CPU_R4K_CACHE_TLB 2356 config CPU_R4K_CACHE_TLB
2182 bool 2357 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2358 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2359
2185 config MIPS_MT_SMP 2360 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2361 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2362 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2363 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2364 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2365 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2366 select SYNC_R4K
2193 select MIPS_MT 2367 select MIPS_MT
2194 select SMP 2368 select SMP
2195 select SMP_UP 2369 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2370 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2371 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2372 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2373 help
2200 This is a kernel model which is kno 2374 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2375 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2376 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2377 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2378 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2379
2206 config MIPS_MT 2380 config MIPS_MT
2207 bool 2381 bool
2208 2382
2209 config SCHED_SMT 2383 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2384 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2385 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2386 default n
2213 help 2387 help
2214 SMT scheduler support improves the 2388 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2389 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2390 increased overhead in some places. If unsure say N here.
2217 2391
2218 config SYS_SUPPORTS_SCHED_SMT 2392 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2393 bool
2220 2394
2221 config SYS_SUPPORTS_MULTITHREADING 2395 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2396 bool
2223 2397
2224 config MIPS_MT_FPAFF 2398 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2399 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2400 default y
2227 depends on MIPS_MT_SMP 2401 depends on MIPS_MT_SMP
2228 2402
2229 config MIPSR2_TO_R6_EMULATOR 2403 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2404 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2405 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2406 depends on MIPS_FP_SUPPORT
2233 default y 2407 default y
2234 help 2408 help
2235 Choose this option if you want to r 2409 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2410 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2411 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2412 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2413 final kernel image.
2240 2414
2241 config SYS_SUPPORTS_VPE_LOADER 2415 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2416 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2417 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2418 help
2245 Indicates that the platform support 2419 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2420 physical_memsize.
2247 2421
2248 config MIPS_VPE_LOADER 2422 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2423 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2424 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2425 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2426 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2427 select MIPS_MT
2254 help 2428 help
2255 Includes a loader for loading an el 2429 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2430 onto another VPE and running it.
2257 2431
>> 2432 config MIPS_VPE_LOADER_CMP
>> 2433 bool
>> 2434 default "y"
>> 2435 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2436
2258 config MIPS_VPE_LOADER_MT 2437 config MIPS_VPE_LOADER_MT
2259 bool 2438 bool
2260 default "y" 2439 default "y"
2261 depends on MIPS_VPE_LOADER !! 2440 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2441
2263 config MIPS_VPE_LOADER_TOM 2442 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2443 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2444 depends on MIPS_VPE_LOADER
2266 default y 2445 default y
2267 help 2446 help
2268 The loader can use memory that is p 2447 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2448 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2449 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2450 program requires is less or equal to the amount physically present.
2272 2451
2273 config MIPS_VPE_APSP_API 2452 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2453 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2454 depends on MIPS_VPE_LOADER
2276 2455
>> 2456 config MIPS_VPE_APSP_API_CMP
>> 2457 bool
>> 2458 default "y"
>> 2459 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2460
2277 config MIPS_VPE_APSP_API_MT 2461 config MIPS_VPE_APSP_API_MT
2278 bool 2462 bool
2279 default "y" 2463 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2464 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2465
>> 2466 config MIPS_CMP
>> 2467 bool "MIPS CMP framework support (DEPRECATED)"
>> 2468 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2469 select SMP
>> 2470 select SYNC_R4K
>> 2471 select SYS_SUPPORTS_SMP
>> 2472 select WEAK_ORDERING
>> 2473 default n
>> 2474 help
>> 2475 Select this if you are using a bootloader which implements the "CMP
>> 2476 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2477 its ability to start secondary CPUs.
>> 2478
>> 2479 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2480 instead of this.
2281 2481
2282 config MIPS_CPS 2482 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2483 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2484 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2485 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2486 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2487 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2488 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2489 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2490 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2491 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2492 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2493 help
2296 Select this if you wish to run an S 2494 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2495 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2496 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2497 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2498 support is unavailable.
2301 2499
2302 config MIPS_CPS_PM 2500 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2501 depends on MIPS_CPS
2304 bool 2502 bool
2305 2503
2306 config MIPS_CM 2504 config MIPS_CM
2307 bool 2505 bool
2308 select MIPS_CPC 2506 select MIPS_CPC
2309 2507
2310 config MIPS_CPC 2508 config MIPS_CPC
2311 bool 2509 bool
2312 2510
2313 config SB1_PASS_2_WORKAROUNDS 2511 config SB1_PASS_2_WORKAROUNDS
2314 bool 2512 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2513 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2514 default y
2317 2515
2318 config SB1_PASS_2_1_WORKAROUNDS 2516 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2517 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2518 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2519 default y
2322 2520
2323 choice 2521 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2522 prompt "SmartMIPS or microMIPS ASE support"
2325 2523
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2524 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2525 bool "None"
2328 help 2526 help
2329 Select this if you want neither mic 2527 Select this if you want neither microMIPS nor SmartMIPS support
2330 2528
2331 config CPU_HAS_SMARTMIPS 2529 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2530 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2531 bool "SmartMIPS"
2334 help 2532 help
2335 SmartMIPS is a extension of the MIP 2533 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2534 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2535 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2536 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2537 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2538 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2539 here.
2342 2540
2343 config CPU_MICROMIPS 2541 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2542 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2543 bool "microMIPS"
2346 help 2544 help
2347 When this option is enabled the ker 2545 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2546 microMIPS ISA
2349 2547
2350 endchoice 2548 endchoice
2351 2549
2352 config CPU_HAS_MSA 2550 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2551 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2552 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2553 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2554 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2555 help
2358 MIPS SIMD Architecture (MSA) introd 2556 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2557 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2558 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2559 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2560 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2561 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2562 the size & complexity of your kernel.
2365 2563
2366 If unsure, say Y. 2564 If unsure, say Y.
2367 2565
2368 config CPU_HAS_WB 2566 config CPU_HAS_WB
2369 bool 2567 bool
2370 2568
2371 config XKS01 2569 config XKS01
2372 bool 2570 bool
2373 2571
2374 config CPU_HAS_DIEI 2572 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2573 depends on !CPU_DIEI_BROKEN
2376 bool 2574 bool
2377 2575
2378 config CPU_DIEI_BROKEN 2576 config CPU_DIEI_BROKEN
2379 bool 2577 bool
2380 2578
2381 config CPU_HAS_RIXI 2579 config CPU_HAS_RIXI
2382 bool 2580 bool
2383 2581
2384 config CPU_NO_LOAD_STORE_LR 2582 config CPU_NO_LOAD_STORE_LR
2385 bool 2583 bool
2386 help 2584 help
2387 CPU lacks support for unaligned loa 2585 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2586 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2587 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2588 systems).
2391 2589
2392 # 2590 #
2393 # Vectored interrupt mode is an R2 feature 2591 # Vectored interrupt mode is an R2 feature
2394 # 2592 #
2395 config CPU_MIPSR2_IRQ_VI 2593 config CPU_MIPSR2_IRQ_VI
2396 bool 2594 bool
2397 2595
2398 # 2596 #
2399 # Extended interrupt mode is an R2 feature 2597 # Extended interrupt mode is an R2 feature
2400 # 2598 #
2401 config CPU_MIPSR2_IRQ_EI 2599 config CPU_MIPSR2_IRQ_EI
2402 bool 2600 bool
2403 2601
2404 config CPU_HAS_SYNC 2602 config CPU_HAS_SYNC
2405 bool 2603 bool
2406 depends on !CPU_R3000 2604 depends on !CPU_R3000
2407 default y 2605 default y
2408 2606
2409 # 2607 #
2410 # CPU non-features 2608 # CPU non-features
2411 # 2609 #
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 2610 config CPU_DADDI_WORKAROUNDS
2427 bool 2611 bool
2428 2612
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 2613 config CPU_R4000_WORKAROUNDS
2448 bool 2614 bool
2449 select CPU_R4400_WORKAROUNDS 2615 select CPU_R4400_WORKAROUNDS
2450 2616
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 2617 config CPU_R4400_WORKAROUNDS
2458 bool 2618 bool
2459 2619
2460 config CPU_R4X00_BUGS64 2620 config CPU_R4X00_BUGS64
2461 bool 2621 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2622 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2623
2464 config MIPS_ASID_SHIFT 2624 config MIPS_ASID_SHIFT
2465 int 2625 int
2466 default 6 if CPU_R3000 !! 2626 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2627 default 0
2468 2628
2469 config MIPS_ASID_BITS 2629 config MIPS_ASID_BITS
2470 int 2630 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2631 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2632 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2633 default 8
2474 2634
2475 config MIPS_ASID_BITS_VARIABLE 2635 config MIPS_ASID_BITS_VARIABLE
2476 bool 2636 bool
2477 2637
2478 config MIPS_CRC_SUPPORT 2638 config MIPS_CRC_SUPPORT
2479 bool 2639 bool
2480 2640
2481 # R4600 erratum. Due to the lack of errata i <<
2482 # technical details aren't known. I've exper <<
2483 # interrupts during indexed I-cache flushes s <<
2484 # with the issue. <<
2485 config WAR_R4600_V1_INDEX_ICACHEOP <<
2486 bool <<
2487 <<
2488 # Pleasures of the R4600 V1.x. Cite from the <<
2489 # <<
2490 # 18. The CACHE instructions Hit_Writeback_I <<
2491 # Hit_Invalidate_D and Create_Dirty_Excl <<
2492 # executed if there is no other dcache a <<
2493 # accessed for another instruction immed <<
2494 # cache instructions are executing, it i <<
2495 # tag match outputs used by these cache <<
2496 # incorrect. These cache instructions sh <<
2497 # four instructions that are not any kin <<
2498 # instruction. <<
2499 # <<
2500 # This is not allowed: lw <<
2501 # nop <<
2502 # nop <<
2503 # nop <<
2504 # cache Hi <<
2505 # <<
2506 # This is allowed: lw <<
2507 # nop <<
2508 # nop <<
2509 # nop <<
2510 # nop <<
2511 # cache Hi <<
2512 config WAR_R4600_V1_HIT_CACHEOP <<
2513 bool <<
2514 <<
2515 # Writeback and invalidate the primary cache <<
2516 # <<
2517 # R4600 v2.0 bug: "The CACHE instructions Hit <<
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat <<
2519 # operate correctly if the internal data cach <<
2520 # CACHE instructions should be separated from <<
2521 # by a load instruction to an uncached addres <<
2522 # (Revision 2.0 device errata from IDT availa <<
2523 # in .pdf format.) <<
2524 config WAR_R4600_V2_HIT_CACHEOP <<
2525 bool <<
2526 <<
2527 # From TX49/H2 manual: "If the instruction (i <<
2528 # the line which this instruction itself exis <<
2529 # operation is not guaranteed." <<
2530 # <<
2531 # Workaround: do two phase flushing for Index <<
2532 config WAR_TX49XX_ICACHE_INDEX_INV <<
2533 bool <<
2534 <<
2535 # The RM7000 processors and the E9000 cores h <<
2536 # opposes it being called that) where invalid <<
2537 # I-cache line worth of instructions being fe <<
2538 # exceptions. <<
2539 config WAR_ICACHE_REFILLS <<
2540 bool <<
2541 <<
2542 # On the R10000 up to version 2.6 (not sure a <<
2543 # may cause ll / sc and lld / scd sequences t <<
2544 config WAR_R10000_LLSC <<
2545 bool <<
2546 <<
2547 # 34K core erratum: "Problems Executing the T <<
2548 config WAR_MIPS34K_MISSED_ITLB <<
2549 bool <<
2550 <<
2551 # 2641 #
2552 # - Highmem only makes sense for the 32-bit k 2642 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2643 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2644 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2645 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2646 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2647 # 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 2648 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2649 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2650 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2651 # know they might have memory configurations that could make use of highmem
2562 # support. 2652 # support.
2563 # 2653 #
2564 config HIGHMEM 2654 config HIGHMEM
2565 bool "High Memory Support" 2655 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2656 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2657
2569 config CPU_SUPPORTS_HIGHMEM 2658 config CPU_SUPPORTS_HIGHMEM
2570 bool 2659 bool
2571 2660
2572 config SYS_SUPPORTS_HIGHMEM 2661 config SYS_SUPPORTS_HIGHMEM
2573 bool 2662 bool
2574 2663
2575 config SYS_SUPPORTS_SMARTMIPS 2664 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2665 bool
2577 2666
2578 config SYS_SUPPORTS_MICROMIPS 2667 config SYS_SUPPORTS_MICROMIPS
2579 bool 2668 bool
2580 2669
2581 config SYS_SUPPORTS_MIPS16 2670 config SYS_SUPPORTS_MIPS16
2582 bool 2671 bool
2583 help 2672 help
2584 This option must be set if a kernel 2673 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2674 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2675 words, it makes the kernel MIPS16-tolerant.
2587 2676
2588 config CPU_SUPPORTS_MSA 2677 config CPU_SUPPORTS_MSA
2589 bool 2678 bool
2590 2679
2591 config ARCH_FLATMEM_ENABLE 2680 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2681 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2682 depends on !NUMA && !CPU_LOONGSON2EF
2594 2683
2595 config ARCH_SPARSEMEM_ENABLE 2684 config ARCH_SPARSEMEM_ENABLE
2596 bool 2685 bool
>> 2686 select SPARSEMEM_STATIC if !SGI_IP27
2597 2687
2598 config NUMA 2688 config NUMA
2599 bool "NUMA Support" 2689 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2690 depends on SYS_SUPPORTS_NUMA
2601 select SMP <<
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2691 help
2605 Say Y to compile the kernel to supp 2692 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2693 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2694 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2695 leave it disabled; on single node systems leave this option
2609 disabled. 2696 disabled.
2610 2697
2611 config SYS_SUPPORTS_NUMA 2698 config SYS_SUPPORTS_NUMA
2612 bool 2699 bool
2613 2700
>> 2701 config HAVE_SETUP_PER_CPU_AREA
>> 2702 def_bool y
>> 2703 depends on NUMA
>> 2704
>> 2705 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2706 def_bool y
>> 2707 depends on NUMA
>> 2708
2614 config RELOCATABLE 2709 config RELOCATABLE
2615 bool "Relocatable kernel" 2710 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE !! 2711 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 <<
2618 CPU_MIPS32_R5 || CPU_MIPS6 <<
2619 CPU_MIPS32_R6 || CPU_MIPS6 <<
2620 CPU_P5600 || CAVIUM_OCTEON <<
2621 CPU_LOONGSON64 <<
2622 help 2712 help
2623 This builds a kernel image that ret 2713 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2714 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2715 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2716 but are discarded at runtime
2627 2717
2628 config RELOCATION_TABLE_SIZE 2718 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2719 hex "Relocation table size"
2630 depends on RELOCATABLE 2720 depends on RELOCATABLE
2631 range 0x0 0x01000000 2721 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" 2722 default "0x00100000"
2634 help !! 2723 ---help---
2635 A table of relocation data will be 2724 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2725 and parsed at boot to fix up the relocated kernel.
2637 2726
2638 This option allows the amount of sp 2727 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2728 adjusted, although the default of 1Mb should be ok in most cases.
2640 2729
2641 The build will fail and a valid siz 2730 The build will fail and a valid size suggested if this is too small.
2642 2731
2643 If unsure, leave at the default val 2732 If unsure, leave at the default value.
2644 2733
2645 config RANDOMIZE_BASE 2734 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2735 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2736 depends on RELOCATABLE
2648 help !! 2737 ---help---
2649 Randomizes the physical and virtual 2738 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2739 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2740 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2741 of kernel internals.
2653 2742
2654 Entropy is generated using any copr 2743 Entropy is generated using any coprocessor 0 registers available.
2655 2744
2656 The kernel will be offset by up to 2745 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2746
2658 If unsure, say N. 2747 If unsure, say N.
2659 2748
2660 config RANDOMIZE_BASE_MAX_OFFSET 2749 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2750 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2751 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2752 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2753 range 0x0 0x08000000
2665 default "0x01000000" 2754 default "0x01000000"
2666 help !! 2755 ---help---
2667 When kASLR is active, this provides 2756 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2757 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2758 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2759 PHYSICAL_START and must be a power of 2.
2671 2760
2672 This is limited by the size of KSEG 2761 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2762 EVA or 64-bit. The default is 16Mb.
2674 2763
2675 config NODES_SHIFT 2764 config NODES_SHIFT
2676 int 2765 int
2677 default "6" 2766 default "6"
2678 depends on NUMA !! 2767 depends on NEED_MULTIPLE_NODES
2679 2768
2680 config HW_PERF_EVENTS 2769 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2770 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2771 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2772 default y
2684 help 2773 help
2685 Enable hardware performance counter 2774 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2775 disabled, perf events will use software events only.
2687 2776
2688 config DMI 2777 config DMI
2689 bool "Enable DMI scanning" 2778 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2779 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2780 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2781 default y
2693 help 2782 help
2694 Enabled scanning of DMI to identify 2783 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2784 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2785 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2786 BIOS code.
2698 2787
2699 config SMP 2788 config SMP
2700 bool "Multi-Processing support" 2789 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2790 depends on SYS_SUPPORTS_SMP
2702 help 2791 help
2703 This enables support for systems wi 2792 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2793 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2794 than one CPU, say Y.
2706 2795
2707 If you say N here, the kernel will 2796 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2797 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2798 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2799 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2800 will run faster if you say N here.
2712 2801
2713 People using multiprocessor machine 2802 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2803 Y to "Enhanced Real Time Clock Support", below.
2715 2804
2716 See also the SMP-HOWTO available at 2805 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 2806 <http://www.tldp.org/docs.html#howto>.
2718 2807
2719 If you don't know what to do here, 2808 If you don't know what to do here, say N.
2720 2809
2721 config HOTPLUG_CPU 2810 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2811 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2812 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2813 help
2725 Say Y here to allow turning CPUs of 2814 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2815 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2816 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2817 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2818 Say N if you want to disable CPU hotplug.
2730 2819
2731 config SMP_UP 2820 config SMP_UP
2732 bool 2821 bool
2733 2822
>> 2823 config SYS_SUPPORTS_MIPS_CMP
>> 2824 bool
>> 2825
2734 config SYS_SUPPORTS_MIPS_CPS 2826 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2827 bool
2736 2828
2737 config SYS_SUPPORTS_SMP 2829 config SYS_SUPPORTS_SMP
2738 bool 2830 bool
2739 2831
2740 config NR_CPUS_DEFAULT_4 2832 config NR_CPUS_DEFAULT_4
2741 bool 2833 bool
2742 2834
2743 config NR_CPUS_DEFAULT_8 2835 config NR_CPUS_DEFAULT_8
2744 bool 2836 bool
2745 2837
2746 config NR_CPUS_DEFAULT_16 2838 config NR_CPUS_DEFAULT_16
2747 bool 2839 bool
2748 2840
2749 config NR_CPUS_DEFAULT_32 2841 config NR_CPUS_DEFAULT_32
2750 bool 2842 bool
2751 2843
2752 config NR_CPUS_DEFAULT_64 2844 config NR_CPUS_DEFAULT_64
2753 bool 2845 bool
2754 2846
2755 config NR_CPUS 2847 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2848 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2849 range 2 256
2758 depends on SMP 2850 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2851 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2852 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2853 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2854 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2855 default "64" if NR_CPUS_DEFAULT_64
2764 help 2856 help
2765 This allows you to specify the maxi 2857 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2858 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2859 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2860 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2861 and 2 for all others.
2770 2862
2771 This is purely to save memory - eac 2863 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2864 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2865 performance should round up your number of processors to the next
2774 power of two. 2866 power of two.
2775 2867
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2868 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2869 bool
2778 2870
2779 config MIPS_NR_CPU_NR_MAP_1024 2871 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2872 bool
2781 2873
2782 config MIPS_NR_CPU_NR_MAP 2874 config MIPS_NR_CPU_NR_MAP
2783 int 2875 int
2784 depends on SMP 2876 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2877 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2878 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2879
2788 # 2880 #
2789 # Timer Interrupt Frequency Configuration 2881 # Timer Interrupt Frequency Configuration
2790 # 2882 #
2791 2883
2792 choice 2884 choice
2793 prompt "Timer frequency" 2885 prompt "Timer frequency"
2794 default HZ_250 2886 default HZ_250
2795 help 2887 help
2796 Allows the configuration of the tim 2888 Allows the configuration of the timer frequency.
2797 2889
2798 config HZ_24 2890 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2891 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2892
2801 config HZ_48 2893 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2894 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2895
2804 config HZ_100 2896 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2897 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2898
2807 config HZ_128 2899 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2900 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2901
2810 config HZ_250 2902 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2903 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2904
2813 config HZ_256 2905 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2906 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2907
2816 config HZ_1000 2908 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2909 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2910
2819 config HZ_1024 2911 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2912 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2913
2822 endchoice 2914 endchoice
2823 2915
2824 config SYS_SUPPORTS_24HZ 2916 config SYS_SUPPORTS_24HZ
2825 bool 2917 bool
2826 2918
2827 config SYS_SUPPORTS_48HZ 2919 config SYS_SUPPORTS_48HZ
2828 bool 2920 bool
2829 2921
2830 config SYS_SUPPORTS_100HZ 2922 config SYS_SUPPORTS_100HZ
2831 bool 2923 bool
2832 2924
2833 config SYS_SUPPORTS_128HZ 2925 config SYS_SUPPORTS_128HZ
2834 bool 2926 bool
2835 2927
2836 config SYS_SUPPORTS_250HZ 2928 config SYS_SUPPORTS_250HZ
2837 bool 2929 bool
2838 2930
2839 config SYS_SUPPORTS_256HZ 2931 config SYS_SUPPORTS_256HZ
2840 bool 2932 bool
2841 2933
2842 config SYS_SUPPORTS_1000HZ 2934 config SYS_SUPPORTS_1000HZ
2843 bool 2935 bool
2844 2936
2845 config SYS_SUPPORTS_1024HZ 2937 config SYS_SUPPORTS_1024HZ
2846 bool 2938 bool
2847 2939
2848 config SYS_SUPPORTS_ARBIT_HZ 2940 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2941 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2942 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2943 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2944 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2945 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2946 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2947 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2948 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2949 !SYS_SUPPORTS_1024HZ
2858 2950
2859 config HZ 2951 config HZ
2860 int 2952 int
2861 default 24 if HZ_24 2953 default 24 if HZ_24
2862 default 48 if HZ_48 2954 default 48 if HZ_48
2863 default 100 if HZ_100 2955 default 100 if HZ_100
2864 default 128 if HZ_128 2956 default 128 if HZ_128
2865 default 250 if HZ_250 2957 default 250 if HZ_250
2866 default 256 if HZ_256 2958 default 256 if HZ_256
2867 default 1000 if HZ_1000 2959 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2960 default 1024 if HZ_1024
2869 2961
2870 config SCHED_HRTICK 2962 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2963 def_bool HIGH_RES_TIMERS
2872 2964
2873 config ARCH_SUPPORTS_KEXEC !! 2965 config KEXEC
2874 def_bool y !! 2966 bool "Kexec system call"
2875 !! 2967 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2968 help
2877 def_bool y !! 2969 kexec is a system call that implements the ability to shutdown your
>> 2970 current kernel, and to start another kernel. It is like a reboot
>> 2971 but it is independent of the system firmware. And like a reboot
>> 2972 you can start any kernel with it, not just Linux.
>> 2973
>> 2974 The name comes from the similarity to the exec system call.
>> 2975
>> 2976 It is an ongoing process to be certain the hardware in a machine
>> 2977 is properly shutdown, so do not be surprised if this code does not
>> 2978 initially work for you. As of this writing the exact hardware
>> 2979 interface is strongly in flux, so no good recommendation can be
>> 2980 made.
>> 2981
>> 2982 config CRASH_DUMP
>> 2983 bool "Kernel crash dumps"
>> 2984 help
>> 2985 Generate crash dump after being started by kexec.
>> 2986 This should be normally only set in special crash dump kernels
>> 2987 which are loaded in the main kernel with kexec-tools into
>> 2988 a specially reserved region and then later executed after
>> 2989 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2990 to a memory address not used by the main kernel or firmware using
>> 2991 PHYSICAL_START.
2878 2992
2879 config PHYSICAL_START 2993 config PHYSICAL_START
2880 hex "Physical address where the kerne 2994 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2995 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2996 depends on CRASH_DUMP
2883 help 2997 help
2884 This gives the CKSEG0 or KSEG0 addr 2998 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2999 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3000 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3001 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3002 passed to the panic-ed kernel).
2889 3003
>> 3004 config SECCOMP
>> 3005 bool "Enable seccomp to safely compute untrusted bytecode"
>> 3006 depends on PROC_FS
>> 3007 default y
>> 3008 help
>> 3009 This kernel feature is useful for number crunching applications
>> 3010 that may need to compute untrusted bytecode during their
>> 3011 execution. By using pipes or other transports made available to
>> 3012 the process as file descriptors supporting the read/write
>> 3013 syscalls, it's possible to isolate those applications in
>> 3014 their own address space using seccomp. Once seccomp is
>> 3015 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 3016 and the task is only allowed to execute a few safe syscalls
>> 3017 defined by each seccomp mode.
>> 3018
>> 3019 If unsure, say Y. Only embedded should say N here.
>> 3020
2890 config MIPS_O32_FP64_SUPPORT 3021 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3022 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3023 depends on 32BIT || MIPS32_O32
2893 help 3024 help
2894 When this is enabled, the kernel wi 3025 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3026 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3027 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3028 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3029 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3030 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3031 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3032 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3033 saying N here.
2903 3034
2904 Although binutils currently support 3035 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3036 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 3037 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 3038 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3039 be considered experimental and only enabled by those working upon
2909 said details. 3040 said details.
2910 3041
2911 If unsure, say N. 3042 If unsure, say N.
2912 3043
2913 config USE_OF 3044 config USE_OF
2914 bool 3045 bool
2915 select OF 3046 select OF
2916 select OF_EARLY_FLATTREE 3047 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3048 select IRQ_DOMAIN
2918 3049
2919 config UHI_BOOT 3050 config UHI_BOOT
2920 bool 3051 bool
2921 3052
2922 config BUILTIN_DTB 3053 config BUILTIN_DTB
2923 bool 3054 bool
2924 3055
2925 choice 3056 choice
2926 prompt "Kernel appended dtb support" !! 3057 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3058 default MIPS_NO_APPENDED_DTB
2929 3059
2930 config MIPS_NO_APPENDED_DTB 3060 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3061 bool "None"
2932 help 3062 help
2933 Do not enable appended dtb 3063 Do not enable appended dtb support.
2934 3064
2935 config MIPS_ELF_APPENDED_DTB 3065 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3066 bool "vmlinux"
2937 help 3067 help
2938 With this option, the boot 3068 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3069 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3070 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3071 objcopy:
2942 3072
2943 objcopy --update-section 3073 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3074
2945 This is meant as a backward !! 3075 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 3076 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3077 the documented boot protocol using a device tree.
2948 3078
2949 config MIPS_RAW_APPENDED_DTB 3079 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3080 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3081 help
2952 With this option, the boot 3082 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3083 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3084 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3085
2956 This is meant as a backward 3086 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3087 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3088 the documented boot protocol using a device tree.
2959 3089
2960 Beware that there is very l 3090 Beware that there is very little in terms of protection against
2961 this option being confused 3091 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3092 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3093 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3094 if you don't intend to always append a DTB.
2965 endchoice 3095 endchoice
2966 3096
2967 choice 3097 choice
2968 prompt "Kernel command line type" !! 3098 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3099 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3100 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3101 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3102 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3103
2975 config MIPS_CMDLINE_FROM_DTB 3104 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3105 depends on USE_OF
2977 bool "Dtb kernel arguments if 3106 bool "Dtb kernel arguments if available"
2978 3107
2979 config MIPS_CMDLINE_DTB_EXTEND 3108 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3109 depends on USE_OF
2981 bool "Extend dtb kernel argum 3110 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3111
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3112 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3113 bool "Bootloader kernel arguments if available"
2985 3114
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3115 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3116 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3117 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3118 endchoice
2990 3119
2991 endmenu 3120 endmenu
2992 3121
2993 config LOCKDEP_SUPPORT 3122 config LOCKDEP_SUPPORT
2994 bool 3123 bool
2995 default y 3124 default y
2996 3125
2997 config STACKTRACE_SUPPORT 3126 config STACKTRACE_SUPPORT
2998 bool 3127 bool
2999 default y 3128 default y
3000 3129
3001 config PGTABLE_LEVELS 3130 config PGTABLE_LEVELS
3002 int 3131 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3132 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3133 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3134 default 2
3006 3135
3007 config MIPS_AUTO_PFN_OFFSET 3136 config MIPS_AUTO_PFN_OFFSET
3008 bool 3137 bool
3009 3138
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3139 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3140
3012 config PCI_DRIVERS_GENERIC 3141 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3142 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3143 bool
3015 3144
3016 config PCI_DRIVERS_LEGACY 3145 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3146 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3147 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3148 select PCI_DOMAINS if PCI
3020 3149
3021 # 3150 #
3022 # ISA support is now enabled via select. Too 3151 # 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 3152 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3153 # users to choose the right thing ...
3025 # 3154 #
3026 config ISA 3155 config ISA
3027 bool 3156 bool
3028 3157
3029 config TC 3158 config TC
3030 bool "TURBOchannel support" 3159 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3160 depends on MACH_DECSTATION
3032 help 3161 help
3033 TURBOchannel is a DEC (now Compaq ( 3162 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3163 processors. TURBOchannel programming specifications are available
3035 at: 3164 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3165 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3166 and:
3038 <http://www.computer-refuge.org/cla 3167 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3168 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3169 <http://www.linux-mips.org/wiki/DECstation>
3041 3170
3042 config MMU 3171 config MMU
3043 bool 3172 bool
3044 default y 3173 default y
3045 3174
3046 config ARCH_MMAP_RND_BITS_MIN 3175 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3176 default 12 if 64BIT
3048 default 8 3177 default 8
3049 3178
3050 config ARCH_MMAP_RND_BITS_MAX 3179 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3180 default 18 if 64BIT
3052 default 15 3181 default 15
3053 3182
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3183 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3184 default 8
3056 3185
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3186 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3187 default 15
3059 3188
3060 config I8253 3189 config I8253
3061 bool 3190 bool
3062 select CLKSRC_I8253 3191 select CLKSRC_I8253
3063 select CLKEVT_I8253 3192 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3193 select MIPS_EXTERNAL_TIMER
>> 3194
>> 3195 config ZONE_DMA
>> 3196 bool
>> 3197
>> 3198 config ZONE_DMA32
>> 3199 bool
>> 3200
3065 endmenu 3201 endmenu
3066 3202
3067 config TRAD_SIGNALS 3203 config TRAD_SIGNALS
3068 bool 3204 bool
3069 3205
3070 config MIPS32_COMPAT 3206 config MIPS32_COMPAT
3071 bool 3207 bool
3072 3208
3073 config COMPAT 3209 config COMPAT
3074 bool 3210 bool
3075 3211
>> 3212 config SYSVIPC_COMPAT
>> 3213 bool
>> 3214
3076 config MIPS32_O32 3215 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3216 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3217 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3218 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3219 select COMPAT
3081 select MIPS32_COMPAT 3220 select MIPS32_COMPAT
>> 3221 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3222 help
3083 Select this option if you want to r 3223 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3224 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3225 existing binaries are in this format.
3086 3226
3087 If unsure, say Y. 3227 If unsure, say Y.
3088 3228
3089 config MIPS32_N32 3229 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3230 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3231 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3232 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3233 select COMPAT
3094 select MIPS32_COMPAT 3234 select MIPS32_COMPAT
>> 3235 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3236 help
3096 Select this option if you want to r 3237 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3238 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3239 data that would normally be 64-bit. They are used in special
3099 cases. 3240 cases.
3100 3241
3101 If unsure, say N. 3242 If unsure, say N.
3102 3243
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3244 config BINFMT_ELF32
3104 def_bool y !! 3245 bool
3105 depends on $(cc-option,-mno-branch-li !! 3246 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3247 select ELFCORE
3107 # https://github.com/llvm/llvm-project/issues <<
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 3248
3111 menu "Power management options" 3249 menu "Power management options"
3112 3250
3113 config ARCH_HIBERNATION_POSSIBLE 3251 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3252 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3253 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3254
3117 config ARCH_SUSPEND_POSSIBLE 3255 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3256 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3257 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3258
3121 source "kernel/power/Kconfig" 3259 source "kernel/power/Kconfig"
3122 3260
3123 endmenu 3261 endmenu
3124 3262
3125 config MIPS_EXTERNAL_TIMER 3263 config MIPS_EXTERNAL_TIMER
3126 bool 3264 bool
3127 3265
3128 menu "CPU Power Management" 3266 menu "CPU Power Management"
3129 3267
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3268 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3269 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3270 endif
3133 3271
3134 source "drivers/cpuidle/Kconfig" 3272 source "drivers/cpuidle/Kconfig"
3135 3273
3136 endmenu 3274 endmenu
3137 3275
3138 source "arch/mips/kvm/Kconfig" !! 3276 source "drivers/firmware/Kconfig"
3139 3277
3140 source "arch/mips/vdso/Kconfig" !! 3278 source "arch/mips/kvm/Kconfig"
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