1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT 7 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 8 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 9 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 10 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 11 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE 12 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 13 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL !! 14 select ARCH_SUPPORTS_UPROBES
21 select ARCH_KEEP_MEMBLOCK <<
22 select ARCH_USE_BUILTIN_BSWAP 15 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 16 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 17 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 18 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 19 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 20 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN <<
31 select BUILDTIME_TABLE_SORT 21 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 22 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 23 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 24 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 25 select GENERIC_ATOMIC64 if !64BIT
>> 26 select GENERIC_CLOCKEVENTS
36 select GENERIC_CMOS_UPDATE 27 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 28 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 29 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 30 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 31 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 32 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 33 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 34 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 35 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 36 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 37 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 38 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 39 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 40 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 41 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 42 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 43 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 44 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 45 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !! 46 select HAVE_ARCH_KGDB
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 47 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 48 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 49 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 50 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 51 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 52 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 53 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 54 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 55 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 56 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 57 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 58 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 59 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 60 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 61 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
71 select HAVE_EXIT_THREAD 62 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 63 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 64 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 65 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 66 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 67 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 68 select HAVE_GENERIC_VDSO
>> 69 select HAVE_IDE
78 select HAVE_IOREMAP_PROT 70 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 71 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 72 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 73 select HAVE_KPROBES
82 select HAVE_KRETPROBES 74 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 75 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
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 91 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 92 select RTC_LIB
>> 93 select SET_FS
106 select SYSCTL_EXCEPTION_TRACE 94 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 95 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT <<
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 96
111 config MIPS_FIXUP_BIGPHYS_ADDR 97 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 98 bool
113 99
114 config MIPS_GENERIC 100 config MIPS_GENERIC
115 bool 101 bool
116 102
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 103 config MACH_INGENIC
121 bool 104 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 105 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 106 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 107 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 108 select DMA_NONCOHERENT
126 select IRQ_MIPS_CPU 109 select IRQ_MIPS_CPU
127 select PINCTRL 110 select PINCTRL
128 select GPIOLIB 111 select GPIOLIB
129 select COMMON_CLK 112 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 113 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 114 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 115 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 116 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 117 select MIPS_EXTERNAL_TIMER
135 118
136 menu "Machine selection" 119 menu "Machine selection"
137 120
138 choice 121 choice
139 prompt "System type" 122 prompt "System type"
140 default MIPS_GENERIC_KERNEL 123 default MIPS_GENERIC_KERNEL
141 124
142 config MIPS_GENERIC_KERNEL 125 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 126 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC 127 select MIPS_GENERIC
145 select BOOT_RAW 128 select BOOT_RAW
146 select BUILTIN_DTB 129 select BUILTIN_DTB
147 select CEVT_R4K 130 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 131 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 132 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 133 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 134 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 135 select CSRC_R4K
153 select DMA_NONCOHERENT !! 136 select DMA_PERDEV_COHERENT
154 select HAVE_PCI 137 select HAVE_PCI
155 select IRQ_MIPS_CPU 138 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 139 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 140 select MIPS_CPU_SCACHE
159 select MIPS_GIC 141 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 142 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 143 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 144 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 145 select SMP_UP if SMP
164 select SWAP_IO_SPACE 146 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 147 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 148 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 149 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 150 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 151 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 152 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 153 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 154 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 155 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 156 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 157 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 158 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 159 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 160 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 161 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 162 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 163 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 164 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 165 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 166 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 167 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 168 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 169 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 170 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 171 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 172 select USE_OF
193 help 173 help
194 Select this to build a kernel which 174 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 175 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 176 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 177 Interface) specification.
198 178
199 config MIPS_ALCHEMY 179 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 180 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 181 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 182 select CEVT_R4K
203 select CSRC_R4K 183 select CSRC_R4K
204 select IRQ_MIPS_CPU 184 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 !! 185 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 186 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 187 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 188 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 189 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 190 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 191 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 192 select COMMON_CLK
213 193
>> 194 config AR7
>> 195 bool "Texas Instruments AR7"
>> 196 select BOOT_ELF32
>> 197 select DMA_NONCOHERENT
>> 198 select CEVT_R4K
>> 199 select CSRC_R4K
>> 200 select IRQ_MIPS_CPU
>> 201 select NO_EXCEPT_FILL
>> 202 select SWAP_IO_SPACE
>> 203 select SYS_HAS_CPU_MIPS32_R1
>> 204 select SYS_HAS_EARLY_PRINTK
>> 205 select SYS_SUPPORTS_32BIT_KERNEL
>> 206 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 207 select SYS_SUPPORTS_MIPS16
>> 208 select SYS_SUPPORTS_ZBOOT_UART16550
>> 209 select GPIOLIB
>> 210 select VLYNQ
>> 211 select HAVE_LEGACY_CLK
>> 212 help
>> 213 Support for the Texas Instruments AR7 System-on-a-Chip
>> 214 family: TNETD7100, 7200 and 7300.
>> 215
214 config ATH25 216 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 217 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 218 select CEVT_R4K
217 select CSRC_R4K 219 select CSRC_R4K
218 select DMA_NONCOHERENT 220 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 221 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 222 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 223 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 224 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 225 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 226 select SYS_HAS_EARLY_PRINTK
225 help 227 help
226 Support for Atheros AR231x and Ather 228 Support for Atheros AR231x and Atheros AR531x based boards
227 229
228 config ATH79 230 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 231 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 232 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 233 select BOOT_RAW
232 select CEVT_R4K 234 select CEVT_R4K
233 select CSRC_R4K 235 select CSRC_R4K
234 select DMA_NONCOHERENT 236 select DMA_NONCOHERENT
235 select GPIOLIB 237 select GPIOLIB
236 select PINCTRL 238 select PINCTRL
237 select COMMON_CLK 239 select COMMON_CLK
238 select IRQ_MIPS_CPU 240 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 241 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 242 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 243 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 244 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 245 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 246 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 247 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 248 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 249 help
248 Support for the Atheros AR71XX/AR724 250 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 251
250 config BMIPS_GENERIC 252 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 253 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER <<
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 254 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 255 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 256 select BOOT_RAW
255 select NO_EXCEPT_FILL 257 select NO_EXCEPT_FILL
256 select USE_OF 258 select USE_OF
257 select CEVT_R4K 259 select CEVT_R4K
258 select CSRC_R4K 260 select CSRC_R4K
259 select SYNC_R4K 261 select SYNC_R4K
260 select COMMON_CLK 262 select COMMON_CLK
261 select BCM6345_L1_IRQ 263 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 264 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 265 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 266 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 267 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 268 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 269 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 270 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 271 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 272 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 273 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 274 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 275 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 276 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 277 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 278 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 279 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 280 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 281 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 282 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 283 help
285 Build a generic DT-based kernel imag 284 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 285 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 286 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 287 must be set appropriately for your board.
289 288
290 config BCM47XX 289 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 290 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 291 select BOOT_RAW
293 select CEVT_R4K 292 select CEVT_R4K
294 select CSRC_R4K 293 select CSRC_R4K
295 select DMA_NONCOHERENT 294 select DMA_NONCOHERENT
296 select HAVE_PCI 295 select HAVE_PCI
297 select IRQ_MIPS_CPU 296 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 297 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 298 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 299 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 300 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 301 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 302 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 303 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 304 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 305 select GPIOLIB
307 select LEDS_GPIO_REGISTER 306 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 307 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 308 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 309 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 310 help
312 Support for BCM47XX based boards 311 Support for BCM47XX based boards
313 312
314 config BCM63XX 313 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 314 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 315 select BOOT_RAW
317 select CEVT_R4K 316 select CEVT_R4K
318 select CSRC_R4K 317 select CSRC_R4K
319 select SYNC_R4K 318 select SYNC_R4K
320 select DMA_NONCOHERENT 319 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 320 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 321 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 322 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 323 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 324 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 325 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 326 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 327 select SWAP_IO_SPACE
329 select GPIOLIB 328 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 329 select MIPS_L1_CACHE_SHIFT_4
>> 330 select CLKDEV_LOOKUP
331 select HAVE_LEGACY_CLK 331 select HAVE_LEGACY_CLK
332 help 332 help
333 Support for BCM63XX based boards 333 Support for BCM63XX based boards
334 334
335 config MIPS_COBALT 335 config MIPS_COBALT
336 bool "Cobalt Server" 336 bool "Cobalt Server"
337 select CEVT_R4K 337 select CEVT_R4K
338 select CSRC_R4K 338 select CSRC_R4K
339 select CEVT_GT641XX 339 select CEVT_GT641XX
340 select DMA_NONCOHERENT 340 select DMA_NONCOHERENT
341 select FORCE_PCI 341 select FORCE_PCI
342 select I8253 342 select I8253
343 select I8259 343 select I8259
344 select IRQ_MIPS_CPU 344 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 345 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 346 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 347 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 348 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 349 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 350 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 351 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 352 select USE_GENERIC_EARLY_PRINTK_8250
353 353
354 config MACH_DECSTATION 354 config MACH_DECSTATION
355 bool "DECstations" 355 bool "DECstations"
356 select BOOT_ELF32 356 select BOOT_ELF32
357 select CEVT_DS1287 357 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 358 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 359 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 360 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 361 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 362 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 363 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 364 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 365 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 366 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 367 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 368 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 369 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 370 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 371 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 372 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 373 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 374 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 375 select MIPS_L1_CACHE_SHIFT_4
376 help 376 help
377 This enables support for DEC's MIPS 377 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 378 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 379 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 380
381 If you have one of the following DEC 381 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 382 want to choose R4xx0 for the CPU Type:
383 383
384 DECstation 5000/50 384 DECstation 5000/50
385 DECstation 5000/150 385 DECstation 5000/150
386 DECstation 5000/260 386 DECstation 5000/260
387 DECsystem 5900/260 387 DECsystem 5900/260
388 388
389 otherwise choose R3000. 389 otherwise choose R3000.
390 390
391 config MACH_JAZZ 391 config MACH_JAZZ
392 bool "Jazz family of machines" 392 bool "Jazz family of machines"
393 select ARC_MEMORY 393 select ARC_MEMORY
394 select ARC_PROMLIB 394 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 395 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 396 select ARCH_MIGHT_HAVE_PC_SERIO
>> 397 select DMA_OPS
397 select FW_ARC 398 select FW_ARC
398 select FW_ARC32 399 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 400 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 401 select CEVT_R4K
401 select CSRC_R4K 402 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 403 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 404 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 405 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 406 select IRQ_MIPS_CPU
406 select I8253 407 select I8253
407 select I8259 408 select I8259
408 select ISA 409 select ISA
409 select SYS_HAS_CPU_R4X00 410 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 411 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 412 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 413 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 414 help
415 This a family of machines based on t 415 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 416 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 417 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 418 Olivetti M700-10 workstations.
419 419
420 config MACH_INGENIC_SOC 420 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 421 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 422 select MIPS_GENERIC
423 select MACH_INGENIC 423 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 424 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 425 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 426 select MIPS_EXTERNAL_TIMER
428 427
429 config LANTIQ 428 config LANTIQ
430 bool "Lantiq based platforms" 429 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 430 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 431 select IRQ_MIPS_CPU
433 select CEVT_R4K 432 select CEVT_R4K
434 select CSRC_R4K 433 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 434 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 435 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 436 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 437 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 438 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 439 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 440 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 441 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 442 select GPIOLIB
445 select SWAP_IO_SPACE 443 select SWAP_IO_SPACE
446 select BOOT_RAW 444 select BOOT_RAW
>> 445 select CLKDEV_LOOKUP
447 select HAVE_LEGACY_CLK 446 select HAVE_LEGACY_CLK
448 select USE_OF 447 select USE_OF
449 select PINCTRL 448 select PINCTRL
450 select PINCTRL_LANTIQ 449 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 450 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 451 select RESET_CONTROLLER
453 452
454 config MACH_LOONGSON32 453 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 454 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 455 select SYS_SUPPORTS_ZBOOT
457 help 456 help
458 This enables support for the Loongso 457 This enables support for the Loongson-1 family of machines.
459 458
460 Loongson-1 is a family of 32-bit MIP 459 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 460 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 461 Sciences (CAS).
463 462
464 config MACH_LOONGSON2EF 463 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 464 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 465 select SYS_SUPPORTS_ZBOOT
467 help 466 help
468 This enables the support of early Lo 467 This enables the support of early Loongson-2E/F family of machines.
469 468
470 config MACH_LOONGSON64 469 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 470 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 471 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 472 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 473 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 474 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 475 select BOOT_ELF32
478 select BOARD_SCACHE 476 select BOARD_SCACHE
479 select CSRC_R4K 477 select CSRC_R4K
480 select CEVT_R4K 478 select CEVT_R4K
481 select SYNC_R4K !! 479 select CPU_HAS_WB
482 select FORCE_PCI 480 select FORCE_PCI
483 select ISA 481 select ISA
484 select I8259 482 select I8259
485 select IRQ_MIPS_CPU 483 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 484 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 485 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 486 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 487 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 488 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 489 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 490 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 491 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 492 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 493 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 494 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 495 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 496 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE <<
500 select ZONE_DMA32 497 select ZONE_DMA32
>> 498 select NUMA
>> 499 select SMP
501 select COMMON_CLK 500 select COMMON_CLK
502 select USE_OF 501 select USE_OF
503 select BUILTIN_DTB 502 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 503 select PCI_HOST_GENERIC
505 help 504 help
506 This enables the support of Loongson 505 This enables the support of Loongson-2/3 family of machines.
507 506
508 Loongson-2 and Loongson-3 are 64-bit 507 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 508 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 509 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 510 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 511
>> 512 config MACH_PISTACHIO
>> 513 bool "IMG Pistachio SoC based boards"
>> 514 select BOOT_ELF32
>> 515 select BOOT_RAW
>> 516 select CEVT_R4K
>> 517 select CLKSRC_MIPS_GIC
>> 518 select COMMON_CLK
>> 519 select CSRC_R4K
>> 520 select DMA_NONCOHERENT
>> 521 select GPIOLIB
>> 522 select IRQ_MIPS_CPU
>> 523 select MFD_SYSCON
>> 524 select MIPS_CPU_SCACHE
>> 525 select MIPS_GIC
>> 526 select PINCTRL
>> 527 select REGULATOR
>> 528 select SYS_HAS_CPU_MIPS32_R2
>> 529 select SYS_SUPPORTS_32BIT_KERNEL
>> 530 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 531 select SYS_SUPPORTS_MIPS_CPS
>> 532 select SYS_SUPPORTS_MULTITHREADING
>> 533 select SYS_SUPPORTS_RELOCATABLE
>> 534 select SYS_SUPPORTS_ZBOOT
>> 535 select SYS_HAS_EARLY_PRINTK
>> 536 select USE_GENERIC_EARLY_PRINTK_8250
>> 537 select USE_OF
>> 538 help
>> 539 This enables support for the IMG Pistachio SoC platform.
>> 540
513 config MIPS_MALTA 541 config MIPS_MALTA
514 bool "MIPS Malta board" 542 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 543 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 544 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 545 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 546 select BOOT_ELF32
519 select BOOT_RAW 547 select BOOT_RAW
520 select BUILTIN_DTB 548 select BUILTIN_DTB
521 select CEVT_R4K 549 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 550 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 551 select COMMON_CLK
524 select CSRC_R4K 552 select CSRC_R4K
525 select DMA_NONCOHERENT !! 553 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 554 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 555 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 556 select HAVE_PCI
529 select I8253 557 select I8253
530 select I8259 558 select I8259
531 select IRQ_MIPS_CPU 559 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 560 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 561 select MIPS_CPU_SCACHE
534 select MIPS_GIC 562 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 563 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 564 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 565 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 566 select SMP_UP if SMP
539 select SWAP_IO_SPACE 567 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 568 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 569 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 570 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 571 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 572 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 573 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 574 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 575 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 576 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 577 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 578 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 579 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 580 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 581 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 582 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 583 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 584 select SYS_SUPPORTS_MIPS16
>> 585 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 586 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 587 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 588 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 589 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 590 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 591 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 592 select USE_OF
564 select WAR_ICACHE_REFILLS 593 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 594 select ZONE_DMA32 if 64BIT
566 help 595 help
567 This enables support for the MIPS Te 596 This enables support for the MIPS Technologies Malta evaluation
568 board. 597 board.
569 598
570 config MACH_PIC32 599 config MACH_PIC32
571 bool "Microchip PIC32 Family" 600 bool "Microchip PIC32 Family"
572 help 601 help
573 This enables support for the Microch 602 This enables support for the Microchip PIC32 family of platforms.
574 603
575 Microchip PIC32 is a family of gener 604 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 605 microcontrollers.
577 606
578 config EYEQ !! 607 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 608 bool "NEC VR4100 series based machines"
580 select MACH_GENERIC_CORE <<
581 select ARM_AMBA <<
582 select PHYSICAL_START_BOOL <<
583 select ARCH_SPARSEMEM_DEFAULT if 64BIT <<
584 select BOOT_RAW <<
585 select BUILTIN_DTB <<
586 select CEVT_R4K 609 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 610 select CSRC_R4K
592 select DMA_NONCOHERENT !! 611 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 612 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 613 select GPIOLIB
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC <<
598 select MIPS_L1_CACHE_SHIFT_7 <<
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF <<
617 help <<
618 Select this to build a kernel suppor <<
619 <<
620 bool <<
621 <<
622 config MACH_NINTENDO64 <<
623 bool "Nintendo 64 console" <<
624 select CEVT_R4K <<
625 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 <<
632 select IRQ_MIPS_CPU <<
633 614
634 config RALINK 615 config RALINK
635 bool "Ralink based machines" 616 bool "Ralink based machines"
636 select CEVT_R4K 617 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 618 select CSRC_R4K
639 select BOOT_RAW 619 select BOOT_RAW
640 select DMA_NONCOHERENT 620 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 621 select IRQ_MIPS_CPU
642 select USE_OF 622 select USE_OF
>> 623 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 624 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 625 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 626 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 627 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 628 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 629 select SYS_HAS_EARLY_PRINTK
>> 630 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 631 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 632 select RESET_CONTROLLER
651 633
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 634 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 635 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 636 select ARC_MEMORY
675 select ARC_PROMLIB 637 select ARC_PROMLIB
676 select FW_ARC 638 select FW_ARC
677 select FW_ARC32 639 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 640 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 641 select BOOT_ELF32
680 select CEVT_R4K 642 select CEVT_R4K
681 select CSRC_R4K 643 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 644 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 645 select DMA_NONCOHERENT
684 select HAVE_EISA 646 select HAVE_EISA
685 select I8253 647 select I8253
686 select I8259 648 select I8259
687 select IP22_CPU_SCACHE 649 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 650 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 651 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 652 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 653 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 654 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 655 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 656 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 657 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 658 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 659 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 660 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 661 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 662 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 663 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 664 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 665 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 666 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 667 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 668 select MIPS_L1_CACHE_SHIFT_7
707 help 669 help
708 This are the SGI Indy, Challenge S a 670 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 671 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 672 that runs on these, say Y here.
711 673
712 config SGI_IP27 674 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 675 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 676 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 677 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 678 select FW_ARC
717 select FW_ARC64 679 select FW_ARC64
718 select ARC_CMDLINE_ONLY 680 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 681 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 682 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 683 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 684 select HAVE_PCI
724 select IRQ_MIPS_CPU 685 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 686 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 687 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 688 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 689 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 690 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 691 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 692 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 693 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 694 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 695 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 696 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 697 select NUMA
737 help 698 help
738 This are the SGI Origin 200, Origin 699 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 700 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 701 here.
741 702
742 config SGI_IP28 703 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 704 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 705 select ARC_MEMORY
745 select ARC_PROMLIB 706 select ARC_PROMLIB
746 select FW_ARC 707 select FW_ARC
747 select FW_ARC64 708 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 709 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 710 select BOOT_ELF64
750 select CEVT_R4K 711 select CEVT_R4K
751 select CSRC_R4K 712 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 713 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 714 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 715 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 716 select IRQ_MIPS_CPU
756 select HAVE_EISA 717 select HAVE_EISA
757 select I8253 718 select I8253
758 select I8259 719 select I8259
759 select SGI_HAS_I8042 720 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 721 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 722 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 723 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 724 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 725 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 726 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 727 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 728 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 729 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 730 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 731 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 732 select MIPS_L1_CACHE_SHIFT_7
772 help 733 help
773 This is the SGI Indigo2 with R10000 734 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 735 kernel that runs on these, say Y here.
775 736
776 config SGI_IP30 737 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 738 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 739 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 740 select FW_ARC
780 select FW_ARC64 741 select FW_ARC64
781 select BOOT_ELF64 742 select BOOT_ELF64
782 select CEVT_R4K 743 select CEVT_R4K
783 select CSRC_R4K 744 select CSRC_R4K
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP 745 select SYNC_R4K if SMP
786 select ZONE_DMA32 746 select ZONE_DMA32
787 select HAVE_PCI 747 select HAVE_PCI
788 select IRQ_MIPS_CPU 748 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 749 select IRQ_DOMAIN_HIERARCHY
>> 750 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 751 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 752 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 753 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 754 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 755 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 756 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 757 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 758 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 759 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 760 select ARC_MEMORY
800 help 761 help
801 These are the SGI Octane and Octane2 762 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 763 compile a Linux kernel that runs on these, say Y here.
803 764
804 config SGI_IP32 765 config SGI_IP32
805 bool "SGI IP32 (O2)" 766 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 767 select ARC_MEMORY
807 select ARC_PROMLIB 768 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 769 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 770 select FW_ARC
810 select FW_ARC32 771 select FW_ARC32
811 select BOOT_ELF32 772 select BOOT_ELF32
812 select CEVT_R4K 773 select CEVT_R4K
813 select CSRC_R4K 774 select CSRC_R4K
814 select DMA_NONCOHERENT 775 select DMA_NONCOHERENT
815 select HAVE_PCI 776 select HAVE_PCI
816 select IRQ_MIPS_CPU 777 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 778 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 779 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 780 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 781 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 782 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 783 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 784 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 785 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 786 select WAR_ICACHE_REFILLS
826 help 787 help
827 If you want this kernel to run on SG 788 If you want this kernel to run on SGI O2 workstation, say Y here.
828 789
>> 790 config SIBYTE_CRHINE
>> 791 bool "Sibyte BCM91120C-CRhine"
>> 792 select BOOT_ELF32
>> 793 select SIBYTE_BCM1120
>> 794 select SWAP_IO_SPACE
>> 795 select SYS_HAS_CPU_SB1
>> 796 select SYS_SUPPORTS_BIG_ENDIAN
>> 797 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 798
>> 799 config SIBYTE_CARMEL
>> 800 bool "Sibyte BCM91120x-Carmel"
>> 801 select BOOT_ELF32
>> 802 select SIBYTE_BCM1120
>> 803 select SWAP_IO_SPACE
>> 804 select SYS_HAS_CPU_SB1
>> 805 select SYS_SUPPORTS_BIG_ENDIAN
>> 806 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 807
829 config SIBYTE_CRHONE 808 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 809 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 810 select BOOT_ELF32
832 select SIBYTE_BCM1125 811 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 812 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 813 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 814 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 815 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 816 select SYS_SUPPORTS_LITTLE_ENDIAN
838 817
839 config SIBYTE_RHONE 818 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 819 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 820 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 821 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 822 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 823 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 824 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 825 select SYS_SUPPORTS_LITTLE_ENDIAN
847 826
848 config SIBYTE_SWARM 827 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 828 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 829 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 830 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 831 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 832 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 833 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 834 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 835 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 836 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 837 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 838 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 839
861 config SIBYTE_LITTLESUR 840 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 841 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 842 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 843 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 844 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 845 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 846 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 847 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 848 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 849 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 850 select ZONE_DMA32 if 64BIT
872 851
873 config SIBYTE_SENTOSA 852 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 853 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 854 select BOOT_ELF32
876 select SIBYTE_SB1250 855 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 856 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 857 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 858 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 859 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 860 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 861
883 config SIBYTE_BIGSUR 862 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 863 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 864 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 865 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 866 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 867 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 868 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 869 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 870 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 871 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 872 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 873 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 874
896 config SNI_RM 875 config SNI_RM
897 bool "SNI RM200/300/400" 876 bool "SNI RM200/300/400"
898 select ARC_MEMORY 877 select ARC_MEMORY
899 select ARC_PROMLIB 878 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 879 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 880 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 881 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 882 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 883 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 884 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 885 select BOOT_ELF32
907 select CEVT_R4K 886 select CEVT_R4K
908 select CSRC_R4K 887 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 888 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 889 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 890 select GENERIC_ISA_DMA
912 select HAVE_EISA 891 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 892 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 893 select HAVE_PCI
915 select IRQ_MIPS_CPU 894 select IRQ_MIPS_CPU
916 select I8253 895 select I8253
917 select I8259 896 select I8259
918 select ISA 897 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 898 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 899 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 900 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 901 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 902 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 903 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 904 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 905 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 906 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 907 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 908 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 909 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 910 select WAR_R4600_V2_HIT_CACHEOP
932 help 911 help
933 The SNI RM200/300/400 are MIPS-based 912 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 913 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 914 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 915 support this machine type.
937 916
>> 917 config MACH_TX39XX
>> 918 bool "Toshiba TX39 series based machines"
>> 919
938 config MACH_TX49XX 920 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 921 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 922 select WAR_TX49XX_ICACHE_INDEX_INV
941 923
942 config MIKROTIK_RB532 924 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 925 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 926 select CEVT_R4K
945 select CSRC_R4K 927 select CSRC_R4K
946 select DMA_NONCOHERENT 928 select DMA_NONCOHERENT
947 select HAVE_PCI 929 select HAVE_PCI
948 select IRQ_MIPS_CPU 930 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 931 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 932 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 933 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 934 select SWAP_IO_SPACE
953 select BOOT_RAW 935 select BOOT_RAW
954 select GPIOLIB 936 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 937 select MIPS_L1_CACHE_SHIFT_4
956 help 938 help
957 Support the Mikrotik(tm) RouterBoard 939 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 940 based on the IDT RC32434 SoC.
959 941
960 config CAVIUM_OCTEON_SOC 942 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 943 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 944 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 945 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 946 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 947 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 948 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 949 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 950 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 951 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 952 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 953 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 954 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 955 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 956 select HAVE_PCI
975 select HAVE_PLAT_DELAY 957 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 958 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 959 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 960 select ZONE_DMA32
>> 961 select HOLES_IN_ZONE
979 select GPIOLIB 962 select GPIOLIB
980 select USE_OF 963 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 964 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 965 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 966 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 967 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 968 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 969 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 970 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 971 select SYS_SUPPORTS_RELOCATABLE
990 help 972 help
991 This option supports all of the Octe 973 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 974 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 975 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 976 Some of the supported boards are:
995 EBT3000 977 EBT3000
996 EBH3000 978 EBH3000
997 EBH3100 979 EBH3100
998 Thunder 980 Thunder
999 Kodama 981 Kodama
1000 Hikari 982 Hikari
1001 Say Y here for most Octeon referenc 983 Say Y here for most Octeon reference boards.
1002 984
1003 endchoice !! 985 config NLM_XLR_BOARD
>> 986 bool "Netlogic XLR/XLS based systems"
>> 987 select BOOT_ELF32
>> 988 select NLM_COMMON
>> 989 select SYS_HAS_CPU_XLR
>> 990 select SYS_SUPPORTS_SMP
>> 991 select HAVE_PCI
>> 992 select SWAP_IO_SPACE
>> 993 select SYS_SUPPORTS_32BIT_KERNEL
>> 994 select SYS_SUPPORTS_64BIT_KERNEL
>> 995 select PHYS_ADDR_T_64BIT
>> 996 select SYS_SUPPORTS_BIG_ENDIAN
>> 997 select SYS_SUPPORTS_HIGHMEM
>> 998 select NR_CPUS_DEFAULT_32
>> 999 select CEVT_R4K
>> 1000 select CSRC_R4K
>> 1001 select IRQ_MIPS_CPU
>> 1002 select ZONE_DMA32 if 64BIT
>> 1003 select SYNC_R4K
>> 1004 select SYS_HAS_EARLY_PRINTK
>> 1005 select SYS_SUPPORTS_ZBOOT
>> 1006 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1007 help
>> 1008 Support for systems based on Netlogic XLR and XLS processors.
>> 1009 Say Y here if you have a XLR or XLS based board.
1004 1010
1005 config FIT_IMAGE_FDT_EPM5 !! 1011 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1012 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1013 select BOOT_ELF32
1008 default n !! 1014 select NLM_COMMON
>> 1015 select SYS_HAS_CPU_XLP
>> 1016 select SYS_SUPPORTS_SMP
>> 1017 select HAVE_PCI
>> 1018 select SYS_SUPPORTS_32BIT_KERNEL
>> 1019 select SYS_SUPPORTS_64BIT_KERNEL
>> 1020 select PHYS_ADDR_T_64BIT
>> 1021 select GPIOLIB
>> 1022 select SYS_SUPPORTS_BIG_ENDIAN
>> 1023 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1024 select SYS_SUPPORTS_HIGHMEM
>> 1025 select NR_CPUS_DEFAULT_32
>> 1026 select CEVT_R4K
>> 1027 select CSRC_R4K
>> 1028 select IRQ_MIPS_CPU
>> 1029 select ZONE_DMA32 if 64BIT
>> 1030 select SYNC_R4K
>> 1031 select SYS_HAS_EARLY_PRINTK
>> 1032 select USE_OF
>> 1033 select SYS_SUPPORTS_ZBOOT
>> 1034 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1035 help
1010 Enable this to include the FDT for !! 1036 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1037 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1038
>> 1039 endchoice
1013 1040
1014 source "arch/mips/alchemy/Kconfig" 1041 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1042 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1043 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1044 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1045 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1046 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1047 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1048 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1049 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1050 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1051 source "arch/mips/pic32/Kconfig"
>> 1052 source "arch/mips/pistachio/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1053 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1054 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1055 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1056 source "arch/mips/txx9/Kconfig"
>> 1057 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1058 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1059 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1060 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1061 source "arch/mips/loongson64/Kconfig"
>> 1062 source "arch/mips/netlogic/Kconfig"
1034 1063
1035 endmenu 1064 endmenu
1036 1065
1037 config GENERIC_HWEIGHT 1066 config GENERIC_HWEIGHT
1038 bool 1067 bool
1039 default y 1068 default y
1040 1069
1041 config GENERIC_CALIBRATE_DELAY 1070 config GENERIC_CALIBRATE_DELAY
1042 bool 1071 bool
1043 default y 1072 default y
1044 1073
1045 config SCHED_OMIT_FRAME_POINTER 1074 config SCHED_OMIT_FRAME_POINTER
1046 bool 1075 bool
1047 default y 1076 default y
1048 1077
1049 # 1078 #
1050 # Select some configuration options automatic 1079 # Select some configuration options automatically based on user selections.
1051 # 1080 #
1052 config FW_ARC 1081 config FW_ARC
1053 bool 1082 bool
1054 1083
1055 config ARCH_MAY_HAVE_PC_FDC 1084 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1085 bool
1057 1086
1058 config BOOT_RAW 1087 config BOOT_RAW
1059 bool 1088 bool
1060 1089
1061 config CEVT_BCM1480 1090 config CEVT_BCM1480
1062 bool 1091 bool
1063 1092
1064 config CEVT_DS1287 1093 config CEVT_DS1287
1065 bool 1094 bool
1066 1095
1067 config CEVT_GT641XX 1096 config CEVT_GT641XX
1068 bool 1097 bool
1069 1098
1070 config CEVT_R4K 1099 config CEVT_R4K
1071 bool 1100 bool
1072 1101
1073 config CEVT_SB1250 1102 config CEVT_SB1250
1074 bool 1103 bool
1075 1104
1076 config CEVT_TXX9 1105 config CEVT_TXX9
1077 bool 1106 bool
1078 1107
1079 config CSRC_BCM1480 1108 config CSRC_BCM1480
1080 bool 1109 bool
1081 1110
1082 config CSRC_IOASIC 1111 config CSRC_IOASIC
1083 bool 1112 bool
1084 1113
1085 config CSRC_R4K 1114 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1115 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1116 bool
1089 1117
1090 config CSRC_SB1250 1118 config CSRC_SB1250
1091 bool 1119 bool
1092 1120
1093 config MIPS_CLOCK_VSYSCALL 1121 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1122 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1123
1096 config GPIO_TXX9 1124 config GPIO_TXX9
1097 select GPIOLIB 1125 select GPIOLIB
1098 bool 1126 bool
1099 1127
1100 config FW_CFE 1128 config FW_CFE
1101 bool 1129 bool
1102 1130
1103 config ARCH_SUPPORTS_UPROBES 1131 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1132 bool
>> 1133
>> 1134 config DMA_MAYBE_COHERENT
>> 1135 select ARCH_HAS_DMA_COHERENCE_H
>> 1136 select DMA_NONCOHERENT
>> 1137 bool
>> 1138
>> 1139 config DMA_PERDEV_COHERENT
>> 1140 bool
>> 1141 select ARCH_HAS_SETUP_DMA_OPS
>> 1142 select DMA_NONCOHERENT
1105 1143
1106 config DMA_NONCOHERENT 1144 config DMA_NONCOHERENT
1107 bool 1145 bool
1108 # 1146 #
1109 # MIPS allows mixing "slightly differ 1147 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1148 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1149 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1150 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1151 # significant advantages.
1114 # 1152 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1153 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1154 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1155 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1156 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1157 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1158 select NEED_DMA_MAP_STATE
1123 1159
1124 config SYS_HAS_EARLY_PRINTK 1160 config SYS_HAS_EARLY_PRINTK
1125 bool 1161 bool
1126 1162
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1163 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1164 bool
1129 1165
1130 config MIPS_BONITO64 1166 config MIPS_BONITO64
1131 bool 1167 bool
1132 1168
1133 config MIPS_MSC 1169 config MIPS_MSC
1134 bool 1170 bool
1135 1171
1136 config SYNC_R4K 1172 config SYNC_R4K
1137 bool 1173 bool
1138 1174
1139 config NO_IOPORT_MAP 1175 config NO_IOPORT_MAP
1140 def_bool n 1176 def_bool n
1141 1177
1142 config GENERIC_CSUM 1178 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1179 def_bool CPU_NO_LOAD_STORE_LR
1144 1180
1145 config GENERIC_ISA_DMA 1181 config GENERIC_ISA_DMA
1146 bool 1182 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1183 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1184 select ISA_DMA_API
1149 1185
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1186 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1187 bool
1152 select GENERIC_ISA_DMA 1188 select GENERIC_ISA_DMA
1153 1189
1154 config HAVE_PLAT_DELAY 1190 config HAVE_PLAT_DELAY
1155 bool 1191 bool
1156 1192
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1193 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1194 bool
1159 1195
1160 config HAVE_PLAT_MEMCPY 1196 config HAVE_PLAT_MEMCPY
1161 bool 1197 bool
1162 1198
1163 config ISA_DMA_API 1199 config ISA_DMA_API
1164 bool 1200 bool
1165 1201
>> 1202 config HOLES_IN_ZONE
>> 1203 bool
>> 1204
1166 config SYS_SUPPORTS_RELOCATABLE 1205 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1206 bool
1168 help 1207 help
1169 Selected if the platform supports r 1208 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1209 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1210 to allow access to command line and entropy sources.
1172 1211
>> 1212 config MIPS_CBPF_JIT
>> 1213 def_bool y
>> 1214 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1215
>> 1216 config MIPS_EBPF_JIT
>> 1217 def_bool y
>> 1218 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1219
>> 1220
1173 # 1221 #
1174 # Endianness selection. Sufficiently obscure 1222 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1223 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1224 # choice statement should be more obvious to the user.
1177 # 1225 #
1178 choice 1226 choice
1179 prompt "Endianness selection" 1227 prompt "Endianness selection"
1180 help 1228 help
1181 Some MIPS machines can be configure 1229 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1230 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1231 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1232 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1233 one or the other endianness.
1186 1234
1187 config CPU_BIG_ENDIAN 1235 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1236 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1237 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1238
1191 config CPU_LITTLE_ENDIAN 1239 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1240 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1241 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1242
1195 endchoice 1243 endchoice
1196 1244
1197 config EXPORT_UASM 1245 config EXPORT_UASM
1198 bool 1246 bool
1199 1247
1200 config SYS_SUPPORTS_APM_EMULATION 1248 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1249 bool
1202 1250
1203 config SYS_SUPPORTS_BIG_ENDIAN 1251 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1252 bool
1205 1253
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1254 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1255 bool
1208 1256
>> 1257 config SYS_SUPPORTS_HUGETLBFS
>> 1258 bool
>> 1259 depends on CPU_SUPPORTS_HUGEPAGES
>> 1260 default y
>> 1261
1209 config MIPS_HUGE_TLB_SUPPORT 1262 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1263 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1264
>> 1265 config IRQ_CPU_RM7K
>> 1266 bool
>> 1267
>> 1268 config IRQ_MSP_SLP
>> 1269 bool
>> 1270
>> 1271 config IRQ_MSP_CIC
>> 1272 bool
>> 1273
1212 config IRQ_TXX9 1274 config IRQ_TXX9
1213 bool 1275 bool
1214 1276
1215 config IRQ_GT641XX 1277 config IRQ_GT641XX
1216 bool 1278 bool
1217 1279
1218 config PCI_GT64XXX_PCI0 1280 config PCI_GT64XXX_PCI0
1219 bool 1281 bool
1220 1282
1221 config PCI_XTALK_BRIDGE 1283 config PCI_XTALK_BRIDGE
1222 bool 1284 bool
1223 1285
1224 config NO_EXCEPT_FILL 1286 config NO_EXCEPT_FILL
1225 bool 1287 bool
1226 1288
1227 config MIPS_SPRAM 1289 config MIPS_SPRAM
1228 bool 1290 bool
1229 1291
1230 config SWAP_IO_SPACE 1292 config SWAP_IO_SPACE
1231 bool 1293 bool
1232 1294
1233 config SGI_HAS_INDYDOG 1295 config SGI_HAS_INDYDOG
1234 bool 1296 bool
1235 1297
1236 config SGI_HAS_HAL2 1298 config SGI_HAS_HAL2
1237 bool 1299 bool
1238 1300
1239 config SGI_HAS_SEEQ 1301 config SGI_HAS_SEEQ
1240 bool 1302 bool
1241 1303
1242 config SGI_HAS_WD93 1304 config SGI_HAS_WD93
1243 bool 1305 bool
1244 1306
1245 config SGI_HAS_ZILOG 1307 config SGI_HAS_ZILOG
1246 bool 1308 bool
1247 1309
1248 config SGI_HAS_I8042 1310 config SGI_HAS_I8042
1249 bool 1311 bool
1250 1312
1251 config DEFAULT_SGI_PARTITION 1313 config DEFAULT_SGI_PARTITION
1252 bool 1314 bool
1253 1315
1254 config FW_ARC32 1316 config FW_ARC32
1255 bool 1317 bool
1256 1318
1257 config FW_SNIPROM 1319 config FW_SNIPROM
1258 bool 1320 bool
1259 1321
1260 config BOOT_ELF32 1322 config BOOT_ELF32
1261 bool 1323 bool
1262 1324
1263 config MIPS_L1_CACHE_SHIFT_4 1325 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1326 bool
1265 1327
1266 config MIPS_L1_CACHE_SHIFT_5 1328 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1329 bool
1268 1330
1269 config MIPS_L1_CACHE_SHIFT_6 1331 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1332 bool
1271 1333
1272 config MIPS_L1_CACHE_SHIFT_7 1334 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1335 bool
1274 1336
1275 config MIPS_L1_CACHE_SHIFT 1337 config MIPS_L1_CACHE_SHIFT
1276 int 1338 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1339 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1340 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1341 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1342 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1343 default "5"
1282 1344
1283 config ARC_CMDLINE_ONLY 1345 config ARC_CMDLINE_ONLY
1284 bool 1346 bool
1285 1347
1286 config ARC_CONSOLE 1348 config ARC_CONSOLE
1287 bool "ARC console support" 1349 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1350 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1351
1290 config ARC_MEMORY 1352 config ARC_MEMORY
1291 bool 1353 bool
1292 1354
1293 config ARC_PROMLIB 1355 config ARC_PROMLIB
1294 bool 1356 bool
1295 1357
1296 config FW_ARC64 1358 config FW_ARC64
1297 bool 1359 bool
1298 1360
1299 config BOOT_ELF64 1361 config BOOT_ELF64
1300 bool 1362 bool
1301 1363
1302 menu "CPU selection" 1364 menu "CPU selection"
1303 1365
1304 choice 1366 choice
1305 prompt "CPU type" 1367 prompt "CPU type"
1306 default CPU_R4X00 1368 default CPU_R4X00
1307 1369
1308 config CPU_LOONGSON64 1370 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1371 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1372 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1373 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1374 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1375 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1376 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1377 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1378 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1379 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1380 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1381 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1382 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1383 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1384 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1385 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1386 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1387 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1388 select GPIOLIB
1329 select SWIOTLB 1389 select SWIOTLB
>> 1390 select HAVE_KVM
1330 help 1391 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1392 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr !! 1393 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 !! 1394 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1395 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here !! 1396 Loongson-2E/2F is not covered here and will be removed in future.
>> 1397
>> 1398 config LOONGSON3_ENHANCEMENT
>> 1399 bool "New Loongson-3 CPU Enhancements"
>> 1400 default n
>> 1401 depends on CPU_LOONGSON64
>> 1402 help
>> 1403 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1404 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1405 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1406 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1407 Fast TLB refill support, etc.
>> 1408
>> 1409 This option enable those enhancements which are not probed at run
>> 1410 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1411 please say 'N' here. If you want a high-performance kernel to run on
>> 1412 new Loongson-3 machines only, please say 'Y' here.
>> 1413
>> 1414 config CPU_LOONGSON3_WORKAROUNDS
>> 1415 bool "Old Loongson-3 LLSC Workarounds"
>> 1416 default y if SMP
>> 1417 depends on CPU_LOONGSON64
>> 1418 help
>> 1419 Loongson-3 processors have the llsc issues which require workarounds.
>> 1420 Without workarounds the system may hang unexpectedly.
>> 1421
>> 1422 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1423 The workarounds have no significant side effect on them but may
>> 1424 decrease the performance of the system so this option should be
>> 1425 disabled unless the kernel is intended to be run on old systems.
>> 1426
>> 1427 If unsure, please say Y.
>> 1428
>> 1429 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1430 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1431 default y
>> 1432 depends on CPU_LOONGSON64
>> 1433 help
>> 1434 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1435 userland to query CPU capabilities, much like CPUID on x86. This
>> 1436 option provides emulation of the instruction on older Loongson
>> 1437 cores, back to Loongson-3A1000.
>> 1438
>> 1439 If unsure, please say Y.
1336 1440
1337 config CPU_LOONGSON2E 1441 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1442 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1443 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1444 select CPU_LOONGSON2EF
1341 help 1445 help
1342 The Loongson 2E processor implement 1446 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1447 with many extensions.
1344 1448
1345 It has an internal FPGA northbridge 1449 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1450 bonito64.
1347 1451
1348 config CPU_LOONGSON2F 1452 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1453 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1454 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1455 select CPU_LOONGSON2EF
>> 1456 select GPIOLIB
1352 help 1457 help
1353 The Loongson 2F processor implement 1458 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1459 with many extensions.
1355 1460
1356 Loongson2F have built-in DDR2 and P 1461 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1462 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1463 Loongson2E.
1359 1464
1360 config CPU_LOONGSON1B 1465 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1466 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1467 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1468 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1469 select LEDS_GPIO_REGISTER
1365 help 1470 help
1366 The Loongson 1B is a 32-bit SoC, wh 1471 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1472 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1473 instruction set.
1369 1474
1370 config CPU_LOONGSON1C 1475 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1476 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1477 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1478 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1479 select LEDS_GPIO_REGISTER
1375 help 1480 help
1376 The Loongson 1C is a 32-bit SoC, wh 1481 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1482 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1483 instruction set.
1379 1484
1380 config CPU_MIPS32_R1 1485 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1486 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1487 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1488 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1489 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1490 select CPU_SUPPORTS_HIGHMEM
1386 help 1491 help
1387 Choose this option to build a kerne 1492 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1493 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1494 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1495 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1496 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1497 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1498 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1499 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1500 performance.
1396 1501
1397 config CPU_MIPS32_R2 1502 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1503 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1504 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1505 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1506 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1507 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1508 select CPU_SUPPORTS_MSA
>> 1509 select HAVE_KVM
1404 help 1510 help
1405 Choose this option to build a kerne 1511 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1512 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1513 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1514 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1515 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1516
1411 config CPU_MIPS32_R5 1517 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1518 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1519 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1520 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1521 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1522 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1523 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1524 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1525 select MIPS_O32_FP64_SUPPORT
1420 help 1526 help
1421 Choose this option to build a kerne 1527 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1528 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1529 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1530 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1531
1426 config CPU_MIPS32_R6 1532 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1533 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1534 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1535 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1536 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1537 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1538 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1539 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1540 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1541 select MIPS_O32_FP64_SUPPORT
1436 help 1542 help
1437 Choose this option to build a kerne 1543 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1544 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1545 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1546 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1547
1442 config CPU_MIPS64_R1 1548 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1549 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1550 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1551 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1552 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1553 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1554 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1555 select CPU_SUPPORTS_HUGEPAGES
1450 help 1556 help
1451 Choose this option to build a kerne 1557 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1558 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1559 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1560 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1561 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1562 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1563 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1564 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1565 performance.
1460 1566
1461 config CPU_MIPS64_R2 1567 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1568 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1569 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1570 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1571 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1572 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1573 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1574 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1575 select CPU_SUPPORTS_MSA
>> 1576 select HAVE_KVM
1470 help 1577 help
1471 Choose this option to build a kerne 1578 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1579 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1580 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1581 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1582 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1583
1477 config CPU_MIPS64_R5 1584 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1585 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1586 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1587 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1588 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1589 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1590 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1591 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1592 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1593 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1594 select HAVE_KVM
1488 help 1595 help
1489 Choose this option to build a kerne 1596 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1597 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1598 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1599 any hardware known to be based on this release.
1493 1600
1494 config CPU_MIPS64_R6 1601 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1602 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1603 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1604 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1605 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1606 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1607 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1608 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1609 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1610 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1611 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1612 select HAVE_KVM
1506 help 1613 help
1507 Choose this option to build a kerne 1614 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1615 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1616 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1617 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1618
1512 config CPU_P5600 1619 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1620 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1621 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1622 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1623 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1624 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1625 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1626 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1627 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1628 select CPU_MIPSR2_IRQ_EI
>> 1629 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1630 select MIPS_O32_FP64_SUPPORT
1524 help 1631 help
1525 Choose this option to build a kerne 1632 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1633 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1634 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1635 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1636 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1637 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1638 eJTAG and PDtrace.
1532 1639
1533 config CPU_R3000 1640 config CPU_R3000
1534 bool "R3000" 1641 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1642 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1643 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1644 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1645 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1646 select CPU_SUPPORTS_HIGHMEM
1540 help 1647 help
1541 Please make sure to pick the right 1648 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1649 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1650 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1651 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1652 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1653 try to recompile with R3000.
1547 1654
1548 config CPU_R4300 !! 1655 config CPU_TX39XX
1549 bool "R4300" !! 1656 bool "R39XX"
1550 depends on SYS_HAS_CPU_R4300 !! 1657 depends on SYS_HAS_CPU_TX39XX
>> 1658 select CPU_SUPPORTS_32BIT_KERNEL
>> 1659 select CPU_R3K_TLB
>> 1660
>> 1661 config CPU_VR41XX
>> 1662 bool "R41xx"
>> 1663 depends on SYS_HAS_CPU_VR41XX
1551 select CPU_SUPPORTS_32BIT_KERNEL 1664 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1665 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1666 help
1554 MIPS Technologies R4300-series proc !! 1667 The options selects support for the NEC VR4100 series of processors.
>> 1668 Only choose this option if you have one of these processors as a
>> 1669 kernel built with this option will not run on any other type of
>> 1670 processor or vice versa.
1555 1671
1556 config CPU_R4X00 1672 config CPU_R4X00
1557 bool "R4x00" 1673 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1674 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1675 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1676 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1677 select CPU_SUPPORTS_HUGEPAGES
1562 help 1678 help
1563 MIPS Technologies R4000-series proc 1679 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1680 the R4000, R4400, R4600, and 4700.
1565 1681
1566 config CPU_TX49XX 1682 config CPU_TX49XX
1567 bool "R49XX" 1683 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1684 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1685 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1686 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1687 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1688 select CPU_SUPPORTS_HUGEPAGES
1573 1689
1574 config CPU_R5000 1690 config CPU_R5000
1575 bool "R5000" 1691 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1692 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1693 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1694 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1695 select CPU_SUPPORTS_HUGEPAGES
1580 help 1696 help
1581 MIPS Technologies R5000-series proc 1697 MIPS Technologies R5000-series processors other than the Nevada.
1582 1698
1583 config CPU_R5500 1699 config CPU_R5500
1584 bool "R5500" 1700 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1701 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1702 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1703 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1704 select CPU_SUPPORTS_HUGEPAGES
1589 help 1705 help
1590 NEC VR5500 and VR5500A series proce 1706 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1707 instruction set.
1592 1708
1593 config CPU_NEVADA 1709 config CPU_NEVADA
1594 bool "RM52xx" 1710 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1711 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1712 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1713 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1714 select CPU_SUPPORTS_HUGEPAGES
1599 help 1715 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1716 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1717
1602 config CPU_R10000 1718 config CPU_R10000
1603 bool "R10000" 1719 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1720 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1721 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1722 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1723 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1724 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1725 select CPU_SUPPORTS_HUGEPAGES
1610 help 1726 help
1611 MIPS Technologies R10000-series pro 1727 MIPS Technologies R10000-series processors.
1612 1728
1613 config CPU_RM7000 1729 config CPU_RM7000
1614 bool "RM7000" 1730 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1731 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1732 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1733 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1734 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1735 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1736 select CPU_SUPPORTS_HUGEPAGES
1621 1737
1622 config CPU_SB1 1738 config CPU_SB1
1623 bool "SB1" 1739 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1740 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1741 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1742 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1743 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1744 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1745 select WEAK_ORDERING
1630 1746
1631 config CPU_CAVIUM_OCTEON 1747 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1748 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1749 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1750 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1751 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 1752 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1753 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1754 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1755 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1756 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1757 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1758 select HAVE_KVM
1645 help 1759 help
1646 The Cavium Octeon processor is a hi 1760 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1761 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1762 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1763 Full details can be found at http://www.caviumnetworks.com.
1650 1764
1651 config CPU_BMIPS 1765 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1766 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1767 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1768 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1769 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1770 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1771 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1772 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1773 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1774 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1775 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1776 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1777 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1778 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1779 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1780 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1781 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1782 help
1670 Support for BMIPS32/3300/4350/4380 1783 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1784
1672 endchoice !! 1785 config CPU_XLR
1673 !! 1786 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1787 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1788 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1789 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1790 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1791 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1792 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1793 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 1794 help
1695 Loongson-3 processors have the llsc !! 1795 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 1796
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1797 config CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1798 bool "Netlogic XLP SoC"
1702 default y !! 1799 depends on SYS_HAS_CPU_XLP
1703 depends on CPU_LOONGSON64 !! 1800 select CPU_SUPPORTS_32BIT_KERNEL
>> 1801 select CPU_SUPPORTS_64BIT_KERNEL
>> 1802 select CPU_SUPPORTS_HIGHMEM
>> 1803 select WEAK_ORDERING
>> 1804 select WEAK_REORDERING_BEYOND_LLSC
>> 1805 select CPU_HAS_PREFETCH
>> 1806 select CPU_MIPSR2
>> 1807 select CPU_SUPPORTS_HUGEPAGES
>> 1808 select MIPS_ASID_BITS_VARIABLE
1704 help 1809 help
1705 Loongson-3A R4 and newer have the C !! 1810 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1811 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1812
1712 config CPU_MIPS32_3_5_FEATURES 1813 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1814 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1815 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1816 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1817 CPU_P5600
1717 help 1818 help
1718 Choose this option to build a kerne 1819 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1820 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1821 support for Enhanced Virtual Addressing (EVA).
1721 1822
1722 config CPU_MIPS32_3_5_EVA 1823 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1824 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1825 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1826 select EVA
1726 default y 1827 default y
1727 help 1828 help
1728 Choose this option if you want to e 1829 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1830 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1831 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1832 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1833
1733 config CPU_MIPS32_R5_FEATURES 1834 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1835 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1836 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1837 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1838 help
1738 Choose this option to build a kerne 1839 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1840 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1841 support for Extended Physical Addressing (XPA).
1741 1842
1742 config CPU_MIPS32_R5_XPA 1843 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1844 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1845 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1846 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1847 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1848 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1849 select XPA
1749 select HIGHMEM 1850 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1851 select PHYS_ADDR_T_64BIT
1751 default n 1852 default n
1752 help 1853 help
1753 Choose this option if you want to e 1854 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1855 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1856 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1857 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1858 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1859 If unsure, say 'N' here.
1759 1860
1760 if CPU_LOONGSON2F 1861 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1862 config CPU_NOP_WORKAROUNDS
1762 bool 1863 bool
1763 1864
1764 config CPU_JUMP_WORKAROUNDS 1865 config CPU_JUMP_WORKAROUNDS
1765 bool 1866 bool
1766 1867
1767 config CPU_LOONGSON2F_WORKAROUNDS 1868 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1869 bool "Loongson 2F Workarounds"
1769 default y 1870 default y
1770 select CPU_NOP_WORKAROUNDS 1871 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1872 select CPU_JUMP_WORKAROUNDS
1772 help 1873 help
1773 Loongson 2F01 / 2F02 processors hav 1874 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1875 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1876 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1877 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1878
1778 Loongson 2F03 and later have fixed 1879 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1880 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1881 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1882 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1883 systems.
1783 1884
1784 If unsure, please say Y. 1885 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1886 endif # CPU_LOONGSON2F
1786 1887
1787 config SYS_SUPPORTS_ZBOOT 1888 config SYS_SUPPORTS_ZBOOT
1788 bool 1889 bool
1789 select HAVE_KERNEL_GZIP 1890 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1891 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1892 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1893 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1894 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1895 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1896 select HAVE_KERNEL_ZSTD
1796 1897
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1898 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1899 bool
1799 select SYS_SUPPORTS_ZBOOT 1900 select SYS_SUPPORTS_ZBOOT
1800 1901
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1902 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1903 bool
1803 select SYS_SUPPORTS_ZBOOT 1904 select SYS_SUPPORTS_ZBOOT
1804 1905
1805 config CPU_LOONGSON2EF 1906 config CPU_LOONGSON2EF
1806 bool 1907 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1908 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1909 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1910 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1911 select CPU_SUPPORTS_HUGEPAGES
>> 1912 select ARCH_HAS_PHYS_TO_DMA
1811 1913
1812 config CPU_LOONGSON32 1914 config CPU_LOONGSON32
1813 bool 1915 bool
1814 select CPU_MIPS32 1916 select CPU_MIPS32
1815 select CPU_MIPSR2 1917 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1918 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1919 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1920 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1921 select CPU_SUPPORTS_CPUFREQ
1820 1922
1821 config CPU_BMIPS32_3300 1923 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1924 select SMP_UP if SMP
1823 bool 1925 bool
1824 1926
1825 config CPU_BMIPS4350 1927 config CPU_BMIPS4350
1826 bool 1928 bool
1827 select SYS_SUPPORTS_SMP 1929 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1930 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1931
1830 config CPU_BMIPS4380 1932 config CPU_BMIPS4380
1831 bool 1933 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1934 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1935 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1936 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1937 select CPU_HAS_RIXI
1836 1938
1837 config CPU_BMIPS5000 1939 config CPU_BMIPS5000
1838 bool 1940 bool
1839 select MIPS_CPU_SCACHE 1941 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1942 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1943 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1944 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1945 select CPU_HAS_RIXI
1844 1946
1845 config SYS_HAS_CPU_LOONGSON64 1947 config SYS_HAS_CPU_LOONGSON64
1846 bool 1948 bool
1847 select CPU_SUPPORTS_CPUFREQ 1949 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1950 select CPU_HAS_RIXI
1849 1951
1850 config SYS_HAS_CPU_LOONGSON2E 1952 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1953 bool
1852 1954
1853 config SYS_HAS_CPU_LOONGSON2F 1955 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1956 bool
1855 select CPU_SUPPORTS_CPUFREQ 1957 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1958 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1959
1858 config SYS_HAS_CPU_LOONGSON1B 1960 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1961 bool
1860 1962
1861 config SYS_HAS_CPU_LOONGSON1C 1963 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1964 bool
1863 1965
1864 config SYS_HAS_CPU_MIPS32_R1 1966 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1967 bool
1866 1968
1867 config SYS_HAS_CPU_MIPS32_R2 1969 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1970 bool
1869 1971
1870 config SYS_HAS_CPU_MIPS32_R3_5 1972 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1973 bool
1872 1974
1873 config SYS_HAS_CPU_MIPS32_R5 1975 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1976 bool
>> 1977 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1978
1876 config SYS_HAS_CPU_MIPS32_R6 1979 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1980 bool
>> 1981 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1982
1879 config SYS_HAS_CPU_MIPS64_R1 1983 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1984 bool
1881 1985
1882 config SYS_HAS_CPU_MIPS64_R2 1986 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1987 bool
1884 1988
1885 config SYS_HAS_CPU_MIPS64_R5 1989 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1990 bool
>> 1991 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1887 1992
1888 config SYS_HAS_CPU_MIPS64_R6 1993 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1994 bool
>> 1995 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1996
1891 config SYS_HAS_CPU_P5600 1997 config SYS_HAS_CPU_P5600
1892 bool 1998 bool
>> 1999 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 2000
1894 config SYS_HAS_CPU_R3000 2001 config SYS_HAS_CPU_R3000
1895 bool 2002 bool
1896 2003
1897 config SYS_HAS_CPU_R4300 !! 2004 config SYS_HAS_CPU_TX39XX
>> 2005 bool
>> 2006
>> 2007 config SYS_HAS_CPU_VR41XX
1898 bool 2008 bool
1899 2009
1900 config SYS_HAS_CPU_R4X00 2010 config SYS_HAS_CPU_R4X00
1901 bool 2011 bool
1902 2012
1903 config SYS_HAS_CPU_TX49XX 2013 config SYS_HAS_CPU_TX49XX
1904 bool 2014 bool
1905 2015
1906 config SYS_HAS_CPU_R5000 2016 config SYS_HAS_CPU_R5000
1907 bool 2017 bool
1908 2018
1909 config SYS_HAS_CPU_R5500 2019 config SYS_HAS_CPU_R5500
1910 bool 2020 bool
1911 2021
1912 config SYS_HAS_CPU_NEVADA 2022 config SYS_HAS_CPU_NEVADA
1913 bool 2023 bool
1914 2024
1915 config SYS_HAS_CPU_R10000 2025 config SYS_HAS_CPU_R10000
1916 bool 2026 bool
>> 2027 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2028
1918 config SYS_HAS_CPU_RM7000 2029 config SYS_HAS_CPU_RM7000
1919 bool 2030 bool
1920 2031
1921 config SYS_HAS_CPU_SB1 2032 config SYS_HAS_CPU_SB1
1922 bool 2033 bool
1923 2034
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2035 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2036 bool
1926 2037
1927 config SYS_HAS_CPU_BMIPS 2038 config SYS_HAS_CPU_BMIPS
1928 bool 2039 bool
1929 2040
1930 config SYS_HAS_CPU_BMIPS32_3300 2041 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2042 bool
1932 select SYS_HAS_CPU_BMIPS 2043 select SYS_HAS_CPU_BMIPS
1933 2044
1934 config SYS_HAS_CPU_BMIPS4350 2045 config SYS_HAS_CPU_BMIPS4350
1935 bool 2046 bool
1936 select SYS_HAS_CPU_BMIPS 2047 select SYS_HAS_CPU_BMIPS
1937 2048
1938 config SYS_HAS_CPU_BMIPS4380 2049 config SYS_HAS_CPU_BMIPS4380
1939 bool 2050 bool
1940 select SYS_HAS_CPU_BMIPS 2051 select SYS_HAS_CPU_BMIPS
1941 2052
1942 config SYS_HAS_CPU_BMIPS5000 2053 config SYS_HAS_CPU_BMIPS5000
1943 bool 2054 bool
1944 select SYS_HAS_CPU_BMIPS 2055 select SYS_HAS_CPU_BMIPS
>> 2056 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2057
>> 2058 config SYS_HAS_CPU_XLR
>> 2059 bool
>> 2060
>> 2061 config SYS_HAS_CPU_XLP
>> 2062 bool
1945 2063
1946 # 2064 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2065 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2066 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2067 #
1950 config WEAK_ORDERING 2068 config WEAK_ORDERING
1951 bool 2069 bool
1952 2070
1953 # 2071 #
1954 # CPU may reorder reads and writes beyond LL/ 2072 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2073 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2074 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2075 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2076 bool
1959 endmenu 2077 endmenu
1960 2078
1961 # 2079 #
1962 # These two indicate any level of the MIPS32 2080 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2081 #
1964 config CPU_MIPS32 2082 config CPU_MIPS32
1965 bool 2083 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2084 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2085 CPU_MIPS32_R6 || CPU_P5600
1968 2086
1969 config CPU_MIPS64 2087 config CPU_MIPS64
1970 bool 2088 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2089 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO !! 2090 CPU_MIPS64_R6
1973 2091
1974 # 2092 #
1975 # These indicate the revision of the architec 2093 # These indicate the revision of the architecture
1976 # 2094 #
1977 config CPU_MIPSR1 2095 config CPU_MIPSR1
1978 bool 2096 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2097 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2098
1981 config CPU_MIPSR2 2099 config CPU_MIPSR2
1982 bool 2100 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2101 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2102 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2103 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2104 select MIPS_SPRAM
1987 2105
1988 config CPU_MIPSR5 2106 config CPU_MIPSR5
1989 bool 2107 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2108 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2109 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2110 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2111 select MIPS_SPRAM
1994 2112
1995 config CPU_MIPSR6 2113 config CPU_MIPSR6
1996 bool 2114 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2115 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2116 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2117 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2118 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2119 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2120 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2121 select MIPS_SPRAM
2004 2122
2005 config TARGET_ISA_REV 2123 config TARGET_ISA_REV
2006 int 2124 int
2007 default 1 if CPU_MIPSR1 2125 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2126 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2127 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2128 default 6 if CPU_MIPSR6
2011 default 0 2129 default 0
2012 help 2130 help
2013 Reflects the ISA revision being tar 2131 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2132 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2133
2016 config EVA 2134 config EVA
2017 bool 2135 bool
2018 2136
2019 config XPA 2137 config XPA
2020 bool 2138 bool
2021 2139
2022 config SYS_SUPPORTS_32BIT_KERNEL 2140 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2141 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2142 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2143 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2144 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2145 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2146 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2147 bool
2030 config CPU_SUPPORTS_CPUFREQ 2148 config CPU_SUPPORTS_CPUFREQ
2031 bool 2149 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2150 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2151 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2152 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2153 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 2154 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2155 config MIPS_PGD_C0_CONTEXT
2040 bool 2156 bool
2041 depends on 64BIT !! 2157 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2158
2044 # 2159 #
2045 # Set to y for ptrace access to watch registe 2160 # Set to y for ptrace access to watch registers.
2046 # 2161 #
2047 config HARDWARE_WATCHPOINTS 2162 config HARDWARE_WATCHPOINTS
2048 bool 2163 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2164 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2165
2051 menu "Kernel type" 2166 menu "Kernel type"
2052 2167
2053 choice 2168 choice
2054 prompt "Kernel code model" 2169 prompt "Kernel code model"
2055 help 2170 help
2056 You should only select this option 2171 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2172 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2173 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2174 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2175
2061 config 32BIT 2176 config 32BIT
2062 bool "32-bit kernel" 2177 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2178 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2179 select TRAD_SIGNALS
2065 help 2180 help
2066 Select this option if you want to b 2181 Select this option if you want to build a 32-bit kernel.
2067 2182
2068 config 64BIT 2183 config 64BIT
2069 bool "64-bit kernel" 2184 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2185 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2186 help
2072 Select this option if you want to b 2187 Select this option if you want to build a 64-bit kernel.
2073 2188
2074 endchoice 2189 endchoice
2075 2190
>> 2191 config KVM_GUEST
>> 2192 bool "KVM Guest Kernel"
>> 2193 depends on CPU_MIPS32_R2
>> 2194 depends on BROKEN_ON_SMP
>> 2195 help
>> 2196 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2197 mode.
>> 2198
>> 2199 config KVM_GUEST_TIMER_FREQ
>> 2200 int "Count/Compare Timer Frequency (MHz)"
>> 2201 depends on KVM_GUEST
>> 2202 default 100
>> 2203 help
>> 2204 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2205 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2206 timer frequency is specified directly.
>> 2207
2076 config MIPS_VA_BITS_48 2208 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2209 bool "48 bits virtual memory"
2078 depends on 64BIT 2210 depends on 64BIT
2079 help 2211 help
2080 Support a maximum at least 48 bits 2212 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2213 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2214 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2215 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2216 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2217 overhead as well as slower TLB fault handling.
2086 2218
2087 If unsure, say N. 2219 If unsure, say N.
2088 2220
2089 config ZBOOT_LOAD_ADDRESS !! 2221 choice
2090 hex "Compressed kernel load address" !! 2222 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2223 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2224
2097 This is only used if non-zero. !! 2225 config PAGE_SIZE_4KB
>> 2226 bool "4kB"
>> 2227 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2228 help
>> 2229 This option select the standard 4kB Linux page size. On some
>> 2230 R3000-family processors this is the only available page size. Using
>> 2231 4kB page size will minimize memory consumption and is therefore
>> 2232 recommended for low memory systems.
>> 2233
>> 2234 config PAGE_SIZE_8KB
>> 2235 bool "8kB"
>> 2236 depends on CPU_CAVIUM_OCTEON
>> 2237 depends on !MIPS_VA_BITS_48
>> 2238 help
>> 2239 Using 8kB page size will result in higher performance kernel at
>> 2240 the price of higher memory consumption. This option is available
>> 2241 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2242 distribution to support this.
>> 2243
>> 2244 config PAGE_SIZE_16KB
>> 2245 bool "16kB"
>> 2246 depends on !CPU_R3000 && !CPU_TX39XX
>> 2247 help
>> 2248 Using 16kB page size will result in higher performance kernel at
>> 2249 the price of higher memory consumption. This option is available on
>> 2250 all non-R3000 family processors. Note that you will need a suitable
>> 2251 Linux distribution to support this.
>> 2252
>> 2253 config PAGE_SIZE_32KB
>> 2254 bool "32kB"
>> 2255 depends on CPU_CAVIUM_OCTEON
>> 2256 depends on !MIPS_VA_BITS_48
>> 2257 help
>> 2258 Using 32kB page size will result in higher performance kernel at
>> 2259 the price of higher memory consumption. This option is available
>> 2260 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2261 distribution to support this.
>> 2262
>> 2263 config PAGE_SIZE_64KB
>> 2264 bool "64kB"
>> 2265 depends on !CPU_R3000 && !CPU_TX39XX
>> 2266 help
>> 2267 Using 64kB page size will result in higher performance kernel at
>> 2268 the price of higher memory consumption. This option is available on
>> 2269 all non-R3000 family processor. Not that at the time of this
>> 2270 writing this option is still high experimental.
2098 2271
2099 config ARCH_FORCE_MAX_ORDER !! 2272 endchoice
>> 2273
>> 2274 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2275 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2276 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2277 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2278 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2279 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2280 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2281 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2282 range 0 64
>> 2283 default "11"
2105 help 2284 help
2106 The kernel memory allocator divides 2285 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2286 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2287 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2288 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2289 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2290 increase this value.
2112 2291
>> 2292 This config option is actually maximum order plus one. For example,
>> 2293 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2294
2113 The page size is not necessarily 4K 2295 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2296 when choosing a value for this option.
2115 2297
2116 config BOARD_SCACHE 2298 config BOARD_SCACHE
2117 bool 2299 bool
2118 2300
2119 config IP22_CPU_SCACHE 2301 config IP22_CPU_SCACHE
2120 bool 2302 bool
2121 select BOARD_SCACHE 2303 select BOARD_SCACHE
2122 2304
2123 # 2305 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2306 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2307 #
2126 config MIPS_CPU_SCACHE 2308 config MIPS_CPU_SCACHE
2127 bool 2309 bool
2128 select BOARD_SCACHE 2310 select BOARD_SCACHE
2129 2311
2130 config R5000_CPU_SCACHE 2312 config R5000_CPU_SCACHE
2131 bool 2313 bool
2132 select BOARD_SCACHE 2314 select BOARD_SCACHE
2133 2315
2134 config RM7000_CPU_SCACHE 2316 config RM7000_CPU_SCACHE
2135 bool 2317 bool
2136 select BOARD_SCACHE 2318 select BOARD_SCACHE
2137 2319
2138 config SIBYTE_DMA_PAGEOPS 2320 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2321 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2322 depends on CPU_SB1
2141 help 2323 help
2142 Instead of using the CPU to zero an 2324 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2325 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2326 SiByte Linux port. Seems to give a small performance benefit.
2145 2327
2146 config CPU_HAS_PREFETCH 2328 config CPU_HAS_PREFETCH
2147 bool 2329 bool
2148 2330
2149 config CPU_GENERIC_DUMP_TLB 2331 config CPU_GENERIC_DUMP_TLB
2150 bool 2332 bool
2151 default y if !CPU_R3000 !! 2333 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2334
2153 config MIPS_FP_SUPPORT 2335 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2336 bool "Floating Point support" if EXPERT
2155 default y 2337 default y
2156 help 2338 help
2157 Select y to include support for flo 2339 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2340 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2341 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2342 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2343 receive a SIGILL.
2162 2344
2163 If you know that your userland will 2345 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2346 instructions then you can say n here to shrink the kernel a little.
2165 2347
2166 If unsure, say y. 2348 If unsure, say y.
2167 2349
2168 config CPU_R2300_FPU 2350 config CPU_R2300_FPU
2169 bool 2351 bool
2170 depends on MIPS_FP_SUPPORT 2352 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2353 default y if CPU_R3000 || CPU_TX39XX
2172 2354
2173 config CPU_R3K_TLB 2355 config CPU_R3K_TLB
2174 bool 2356 bool
2175 2357
2176 config CPU_R4K_FPU 2358 config CPU_R4K_FPU
2177 bool 2359 bool
2178 depends on MIPS_FP_SUPPORT 2360 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2361 default y if !CPU_R2300_FPU
2180 2362
2181 config CPU_R4K_CACHE_TLB 2363 config CPU_R4K_CACHE_TLB
2182 bool 2364 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2365 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2366
2185 config MIPS_MT_SMP 2367 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2368 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2369 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2370 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2371 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2372 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2373 select SYNC_R4K
2193 select MIPS_MT 2374 select MIPS_MT
2194 select SMP 2375 select SMP
2195 select SMP_UP 2376 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2377 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2378 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2379 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2380 help
2200 This is a kernel model which is kno 2381 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2382 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2383 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2384 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2385 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2386
2206 config MIPS_MT 2387 config MIPS_MT
2207 bool 2388 bool
2208 2389
2209 config SCHED_SMT 2390 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2391 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2392 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2393 default n
2213 help 2394 help
2214 SMT scheduler support improves the 2395 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2396 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2397 increased overhead in some places. If unsure say N here.
2217 2398
2218 config SYS_SUPPORTS_SCHED_SMT 2399 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2400 bool
2220 2401
2221 config SYS_SUPPORTS_MULTITHREADING 2402 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2403 bool
2223 2404
2224 config MIPS_MT_FPAFF 2405 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2406 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2407 default y
2227 depends on MIPS_MT_SMP 2408 depends on MIPS_MT_SMP
2228 2409
2229 config MIPSR2_TO_R6_EMULATOR 2410 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2411 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2412 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2413 depends on MIPS_FP_SUPPORT
2233 default y 2414 default y
2234 help 2415 help
2235 Choose this option if you want to r 2416 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2417 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2418 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2419 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2420 final kernel image.
2240 2421
2241 config SYS_SUPPORTS_VPE_LOADER 2422 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2423 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2424 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2425 help
2245 Indicates that the platform support 2426 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2427 physical_memsize.
2247 2428
2248 config MIPS_VPE_LOADER 2429 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2430 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2431 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2432 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2433 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2434 select MIPS_MT
2254 help 2435 help
2255 Includes a loader for loading an el 2436 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2437 onto another VPE and running it.
2257 2438
>> 2439 config MIPS_VPE_LOADER_CMP
>> 2440 bool
>> 2441 default "y"
>> 2442 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2443
2258 config MIPS_VPE_LOADER_MT 2444 config MIPS_VPE_LOADER_MT
2259 bool 2445 bool
2260 default "y" 2446 default "y"
2261 depends on MIPS_VPE_LOADER !! 2447 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2448
2263 config MIPS_VPE_LOADER_TOM 2449 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2450 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2451 depends on MIPS_VPE_LOADER
2266 default y 2452 default y
2267 help 2453 help
2268 The loader can use memory that is p 2454 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2455 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2456 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2457 program requires is less or equal to the amount physically present.
2272 2458
2273 config MIPS_VPE_APSP_API 2459 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2460 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2461 depends on MIPS_VPE_LOADER
2276 2462
>> 2463 config MIPS_VPE_APSP_API_CMP
>> 2464 bool
>> 2465 default "y"
>> 2466 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2467
2277 config MIPS_VPE_APSP_API_MT 2468 config MIPS_VPE_APSP_API_MT
2278 bool 2469 bool
2279 default "y" 2470 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2471 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2472
>> 2473 config MIPS_CMP
>> 2474 bool "MIPS CMP framework support (DEPRECATED)"
>> 2475 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2476 select SMP
>> 2477 select SYNC_R4K
>> 2478 select SYS_SUPPORTS_SMP
>> 2479 select WEAK_ORDERING
>> 2480 default n
>> 2481 help
>> 2482 Select this if you are using a bootloader which implements the "CMP
>> 2483 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2484 its ability to start secondary CPUs.
>> 2485
>> 2486 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2487 instead of this.
2281 2488
2282 config MIPS_CPS 2489 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2490 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2491 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2492 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2493 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2494 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2495 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2496 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2497 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2498 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2499 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL <<
2295 help 2500 help
2296 Select this if you wish to run an S 2501 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2502 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2503 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2504 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2505 support is unavailable.
2301 2506
2302 config MIPS_CPS_PM 2507 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2508 depends on MIPS_CPS
2304 bool 2509 bool
2305 2510
2306 config MIPS_CM 2511 config MIPS_CM
2307 bool 2512 bool
2308 select MIPS_CPC 2513 select MIPS_CPC
2309 2514
2310 config MIPS_CPC 2515 config MIPS_CPC
2311 bool 2516 bool
2312 2517
2313 config SB1_PASS_2_WORKAROUNDS 2518 config SB1_PASS_2_WORKAROUNDS
2314 bool 2519 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2520 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2521 default y
2317 2522
2318 config SB1_PASS_2_1_WORKAROUNDS 2523 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2524 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2525 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2526 default y
2322 2527
2323 choice 2528 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2529 prompt "SmartMIPS or microMIPS ASE support"
2325 2530
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2531 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2532 bool "None"
2328 help 2533 help
2329 Select this if you want neither mic 2534 Select this if you want neither microMIPS nor SmartMIPS support
2330 2535
2331 config CPU_HAS_SMARTMIPS 2536 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2537 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2538 bool "SmartMIPS"
2334 help 2539 help
2335 SmartMIPS is a extension of the MIP 2540 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2541 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2542 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2543 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2544 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2545 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2546 here.
2342 2547
2343 config CPU_MICROMIPS 2548 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2549 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2550 bool "microMIPS"
2346 help 2551 help
2347 When this option is enabled the ker 2552 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2553 microMIPS ISA
2349 2554
2350 endchoice 2555 endchoice
2351 2556
2352 config CPU_HAS_MSA 2557 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2558 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2559 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2560 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2561 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2562 help
2358 MIPS SIMD Architecture (MSA) introd 2563 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2564 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2565 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2566 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2567 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2568 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2569 the size & complexity of your kernel.
2365 2570
2366 If unsure, say Y. 2571 If unsure, say Y.
2367 2572
2368 config CPU_HAS_WB 2573 config CPU_HAS_WB
2369 bool 2574 bool
2370 2575
2371 config XKS01 2576 config XKS01
2372 bool 2577 bool
2373 2578
2374 config CPU_HAS_DIEI 2579 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2580 depends on !CPU_DIEI_BROKEN
2376 bool 2581 bool
2377 2582
2378 config CPU_DIEI_BROKEN 2583 config CPU_DIEI_BROKEN
2379 bool 2584 bool
2380 2585
2381 config CPU_HAS_RIXI 2586 config CPU_HAS_RIXI
2382 bool 2587 bool
2383 2588
2384 config CPU_NO_LOAD_STORE_LR 2589 config CPU_NO_LOAD_STORE_LR
2385 bool 2590 bool
2386 help 2591 help
2387 CPU lacks support for unaligned loa 2592 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2593 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2594 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2595 systems).
2391 2596
2392 # 2597 #
2393 # Vectored interrupt mode is an R2 feature 2598 # Vectored interrupt mode is an R2 feature
2394 # 2599 #
2395 config CPU_MIPSR2_IRQ_VI 2600 config CPU_MIPSR2_IRQ_VI
2396 bool 2601 bool
2397 2602
2398 # 2603 #
2399 # Extended interrupt mode is an R2 feature 2604 # Extended interrupt mode is an R2 feature
2400 # 2605 #
2401 config CPU_MIPSR2_IRQ_EI 2606 config CPU_MIPSR2_IRQ_EI
2402 bool 2607 bool
2403 2608
2404 config CPU_HAS_SYNC 2609 config CPU_HAS_SYNC
2405 bool 2610 bool
2406 depends on !CPU_R3000 2611 depends on !CPU_R3000
2407 default y 2612 default y
2408 2613
2409 # 2614 #
2410 # CPU non-features 2615 # CPU non-features
2411 # 2616 #
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 2617 config CPU_DADDI_WORKAROUNDS
2427 bool 2618 bool
2428 2619
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 2620 config CPU_R4000_WORKAROUNDS
2448 bool 2621 bool
2449 select CPU_R4400_WORKAROUNDS 2622 select CPU_R4400_WORKAROUNDS
2450 2623
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 2624 config CPU_R4400_WORKAROUNDS
2458 bool 2625 bool
2459 2626
2460 config CPU_R4X00_BUGS64 2627 config CPU_R4X00_BUGS64
2461 bool 2628 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2629 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2630
2464 config MIPS_ASID_SHIFT 2631 config MIPS_ASID_SHIFT
2465 int 2632 int
2466 default 6 if CPU_R3000 !! 2633 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2634 default 0
2468 2635
2469 config MIPS_ASID_BITS 2636 config MIPS_ASID_BITS
2470 int 2637 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2638 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2639 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2640 default 8
2474 2641
2475 config MIPS_ASID_BITS_VARIABLE 2642 config MIPS_ASID_BITS_VARIABLE
2476 bool 2643 bool
2477 2644
2478 config MIPS_CRC_SUPPORT 2645 config MIPS_CRC_SUPPORT
2479 bool 2646 bool
2480 2647
2481 # R4600 erratum. Due to the lack of errata i 2648 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2649 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2650 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2651 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2652 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2653 bool
2487 2654
2488 # Pleasures of the R4600 V1.x. Cite from the 2655 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2656 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2657 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2658 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2659 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed !! 2660 # accessed for another instruction immeidately preceding when these
2494 # cache instructions are executing, it i 2661 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2662 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2663 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2664 # four instructions that are not any kind of load or store
2498 # instruction. 2665 # instruction.
2499 # 2666 #
2500 # This is not allowed: lw 2667 # This is not allowed: lw
2501 # nop 2668 # nop
2502 # nop 2669 # nop
2503 # nop 2670 # nop
2504 # cache Hi 2671 # cache Hit_Writeback_Invalidate_D
2505 # 2672 #
2506 # This is allowed: lw 2673 # This is allowed: lw
2507 # nop 2674 # nop
2508 # nop 2675 # nop
2509 # nop 2676 # nop
2510 # nop 2677 # nop
2511 # cache Hi 2678 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2679 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2680 bool
2514 2681
2515 # Writeback and invalidate the primary cache 2682 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2683 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2684 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2685 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2686 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2687 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2688 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2689 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2690 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2691 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2692 bool
2526 2693
2527 # From TX49/H2 manual: "If the instruction (i 2694 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2695 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2696 # operation is not guaranteed."
2530 # 2697 #
2531 # Workaround: do two phase flushing for Index 2698 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2699 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2700 bool
2534 2701
2535 # The RM7000 processors and the E9000 cores h 2702 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2703 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2704 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2705 # exceptions.
2539 config WAR_ICACHE_REFILLS 2706 config WAR_ICACHE_REFILLS
2540 bool 2707 bool
2541 2708
2542 # On the R10000 up to version 2.6 (not sure a 2709 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2543 # may cause ll / sc and lld / scd sequences t 2710 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2711 config WAR_R10000_LLSC
2545 bool 2712 bool
2546 2713
2547 # 34K core erratum: "Problems Executing the T 2714 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2715 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2716 bool
2550 2717
2551 # 2718 #
2552 # - Highmem only makes sense for the 32-bit k 2719 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2720 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2721 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2722 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2723 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2724 # 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 2725 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2726 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2727 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2728 # know they might have memory configurations that could make use of highmem
2562 # support. 2729 # support.
2563 # 2730 #
2564 config HIGHMEM 2731 config HIGHMEM
2565 bool "High Memory Support" 2732 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2733 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL <<
2568 2734
2569 config CPU_SUPPORTS_HIGHMEM 2735 config CPU_SUPPORTS_HIGHMEM
2570 bool 2736 bool
2571 2737
2572 config SYS_SUPPORTS_HIGHMEM 2738 config SYS_SUPPORTS_HIGHMEM
2573 bool 2739 bool
2574 2740
2575 config SYS_SUPPORTS_SMARTMIPS 2741 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2742 bool
2577 2743
2578 config SYS_SUPPORTS_MICROMIPS 2744 config SYS_SUPPORTS_MICROMIPS
2579 bool 2745 bool
2580 2746
2581 config SYS_SUPPORTS_MIPS16 2747 config SYS_SUPPORTS_MIPS16
2582 bool 2748 bool
2583 help 2749 help
2584 This option must be set if a kernel 2750 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2751 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2752 words, it makes the kernel MIPS16-tolerant.
2587 2753
2588 config CPU_SUPPORTS_MSA 2754 config CPU_SUPPORTS_MSA
2589 bool 2755 bool
2590 2756
2591 config ARCH_FLATMEM_ENABLE 2757 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2758 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2759 depends on !NUMA && !CPU_LOONGSON2EF
2594 2760
2595 config ARCH_SPARSEMEM_ENABLE 2761 config ARCH_SPARSEMEM_ENABLE
2596 bool 2762 bool
>> 2763 select SPARSEMEM_STATIC if !SGI_IP27
2597 2764
2598 config NUMA 2765 config NUMA
2599 bool "NUMA Support" 2766 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2767 depends on SYS_SUPPORTS_NUMA
2601 select SMP <<
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2768 help
2605 Say Y to compile the kernel to supp 2769 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2770 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2771 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2772 leave it disabled; on single node systems leave this option
2609 disabled. 2773 disabled.
2610 2774
2611 config SYS_SUPPORTS_NUMA 2775 config SYS_SUPPORTS_NUMA
2612 bool 2776 bool
2613 2777
>> 2778 config HAVE_SETUP_PER_CPU_AREA
>> 2779 def_bool y
>> 2780 depends on NUMA
>> 2781
>> 2782 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2783 def_bool y
>> 2784 depends on NUMA
>> 2785
2614 config RELOCATABLE 2786 config RELOCATABLE
2615 bool "Relocatable kernel" 2787 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2788 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2789 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2790 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2791 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON !! 2792 CPU_P5600 || CAVIUM_OCTEON_SOC
2621 CPU_LOONGSON64 <<
2622 help 2793 help
2623 This builds a kernel image that ret 2794 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2795 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2796 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2797 but are discarded at runtime
2627 2798
2628 config RELOCATION_TABLE_SIZE 2799 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2800 hex "Relocation table size"
2630 depends on RELOCATABLE 2801 depends on RELOCATABLE
2631 range 0x0 0x01000000 2802 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 <<
2633 default "0x00100000" 2803 default "0x00100000"
2634 help 2804 help
2635 A table of relocation data will be 2805 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2806 and parsed at boot to fix up the relocated kernel.
2637 2807
2638 This option allows the amount of sp 2808 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2809 adjusted, although the default of 1Mb should be ok in most cases.
2640 2810
2641 The build will fail and a valid siz 2811 The build will fail and a valid size suggested if this is too small.
2642 2812
2643 If unsure, leave at the default val 2813 If unsure, leave at the default value.
2644 2814
2645 config RANDOMIZE_BASE 2815 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2816 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2817 depends on RELOCATABLE
2648 help 2818 help
2649 Randomizes the physical and virtual 2819 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2820 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2821 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2822 of kernel internals.
2653 2823
2654 Entropy is generated using any copr 2824 Entropy is generated using any coprocessor 0 registers available.
2655 2825
2656 The kernel will be offset by up to 2826 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2827
2658 If unsure, say N. 2828 If unsure, say N.
2659 2829
2660 config RANDOMIZE_BASE_MAX_OFFSET 2830 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2831 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2832 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2833 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2834 range 0x0 0x08000000
2665 default "0x01000000" 2835 default "0x01000000"
2666 help 2836 help
2667 When kASLR is active, this provides 2837 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2838 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2839 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2840 PHYSICAL_START and must be a power of 2.
2671 2841
2672 This is limited by the size of KSEG 2842 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2843 EVA or 64-bit. The default is 16Mb.
2674 2844
2675 config NODES_SHIFT 2845 config NODES_SHIFT
2676 int 2846 int
2677 default "6" 2847 default "6"
2678 depends on NUMA !! 2848 depends on NEED_MULTIPLE_NODES
2679 2849
2680 config HW_PERF_EVENTS 2850 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2851 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2852 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2853 default y
2684 help 2854 help
2685 Enable hardware performance counter 2855 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2856 disabled, perf events will use software events only.
2687 2857
2688 config DMI 2858 config DMI
2689 bool "Enable DMI scanning" 2859 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2860 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2861 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2862 default y
2693 help 2863 help
2694 Enabled scanning of DMI to identify 2864 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2865 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2866 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2867 BIOS code.
2698 2868
2699 config SMP 2869 config SMP
2700 bool "Multi-Processing support" 2870 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2871 depends on SYS_SUPPORTS_SMP
2702 help 2872 help
2703 This enables support for systems wi 2873 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2874 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2875 than one CPU, say Y.
2706 2876
2707 If you say N here, the kernel will 2877 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2878 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2879 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2880 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2881 will run faster if you say N here.
2712 2882
2713 People using multiprocessor machine 2883 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2884 Y to "Enhanced Real Time Clock Support", below.
2715 2885
2716 See also the SMP-HOWTO available at 2886 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2887 <https://www.tldp.org/docs.html#howto>.
2718 2888
2719 If you don't know what to do here, 2889 If you don't know what to do here, say N.
2720 2890
2721 config HOTPLUG_CPU 2891 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2892 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2893 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2894 help
2725 Say Y here to allow turning CPUs of 2895 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2896 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2897 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2898 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2899 Say N if you want to disable CPU hotplug.
2730 2900
2731 config SMP_UP 2901 config SMP_UP
2732 bool 2902 bool
2733 2903
>> 2904 config SYS_SUPPORTS_MIPS_CMP
>> 2905 bool
>> 2906
2734 config SYS_SUPPORTS_MIPS_CPS 2907 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2908 bool
2736 2909
2737 config SYS_SUPPORTS_SMP 2910 config SYS_SUPPORTS_SMP
2738 bool 2911 bool
2739 2912
2740 config NR_CPUS_DEFAULT_4 2913 config NR_CPUS_DEFAULT_4
2741 bool 2914 bool
2742 2915
2743 config NR_CPUS_DEFAULT_8 2916 config NR_CPUS_DEFAULT_8
2744 bool 2917 bool
2745 2918
2746 config NR_CPUS_DEFAULT_16 2919 config NR_CPUS_DEFAULT_16
2747 bool 2920 bool
2748 2921
2749 config NR_CPUS_DEFAULT_32 2922 config NR_CPUS_DEFAULT_32
2750 bool 2923 bool
2751 2924
2752 config NR_CPUS_DEFAULT_64 2925 config NR_CPUS_DEFAULT_64
2753 bool 2926 bool
2754 2927
2755 config NR_CPUS 2928 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2929 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2930 range 2 256
2758 depends on SMP 2931 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2932 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2933 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2934 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2935 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2936 default "64" if NR_CPUS_DEFAULT_64
2764 help 2937 help
2765 This allows you to specify the maxi 2938 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2939 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2940 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2941 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2942 and 2 for all others.
2770 2943
2771 This is purely to save memory - eac 2944 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2945 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2946 performance should round up your number of processors to the next
2774 power of two. 2947 power of two.
2775 2948
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2949 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2950 bool
2778 2951
2779 config MIPS_NR_CPU_NR_MAP_1024 2952 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2953 bool
2781 2954
2782 config MIPS_NR_CPU_NR_MAP 2955 config MIPS_NR_CPU_NR_MAP
2783 int 2956 int
2784 depends on SMP 2957 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2958 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2959 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2960
2788 # 2961 #
2789 # Timer Interrupt Frequency Configuration 2962 # Timer Interrupt Frequency Configuration
2790 # 2963 #
2791 2964
2792 choice 2965 choice
2793 prompt "Timer frequency" 2966 prompt "Timer frequency"
2794 default HZ_250 2967 default HZ_250
2795 help 2968 help
2796 Allows the configuration of the tim 2969 Allows the configuration of the timer frequency.
2797 2970
2798 config HZ_24 2971 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2972 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2973
2801 config HZ_48 2974 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2975 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2976
2804 config HZ_100 2977 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2978 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2979
2807 config HZ_128 2980 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2981 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2982
2810 config HZ_250 2983 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2984 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2985
2813 config HZ_256 2986 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2987 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2988
2816 config HZ_1000 2989 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2990 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2991
2819 config HZ_1024 2992 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2993 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2994
2822 endchoice 2995 endchoice
2823 2996
2824 config SYS_SUPPORTS_24HZ 2997 config SYS_SUPPORTS_24HZ
2825 bool 2998 bool
2826 2999
2827 config SYS_SUPPORTS_48HZ 3000 config SYS_SUPPORTS_48HZ
2828 bool 3001 bool
2829 3002
2830 config SYS_SUPPORTS_100HZ 3003 config SYS_SUPPORTS_100HZ
2831 bool 3004 bool
2832 3005
2833 config SYS_SUPPORTS_128HZ 3006 config SYS_SUPPORTS_128HZ
2834 bool 3007 bool
2835 3008
2836 config SYS_SUPPORTS_250HZ 3009 config SYS_SUPPORTS_250HZ
2837 bool 3010 bool
2838 3011
2839 config SYS_SUPPORTS_256HZ 3012 config SYS_SUPPORTS_256HZ
2840 bool 3013 bool
2841 3014
2842 config SYS_SUPPORTS_1000HZ 3015 config SYS_SUPPORTS_1000HZ
2843 bool 3016 bool
2844 3017
2845 config SYS_SUPPORTS_1024HZ 3018 config SYS_SUPPORTS_1024HZ
2846 bool 3019 bool
2847 3020
2848 config SYS_SUPPORTS_ARBIT_HZ 3021 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 3022 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 3023 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 3024 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 3025 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 3026 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 3027 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 3028 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 3029 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 3030 !SYS_SUPPORTS_1024HZ
2858 3031
2859 config HZ 3032 config HZ
2860 int 3033 int
2861 default 24 if HZ_24 3034 default 24 if HZ_24
2862 default 48 if HZ_48 3035 default 48 if HZ_48
2863 default 100 if HZ_100 3036 default 100 if HZ_100
2864 default 128 if HZ_128 3037 default 128 if HZ_128
2865 default 250 if HZ_250 3038 default 250 if HZ_250
2866 default 256 if HZ_256 3039 default 256 if HZ_256
2867 default 1000 if HZ_1000 3040 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 3041 default 1024 if HZ_1024
2869 3042
2870 config SCHED_HRTICK 3043 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 3044 def_bool HIGH_RES_TIMERS
2872 3045
2873 config ARCH_SUPPORTS_KEXEC !! 3046 config KEXEC
2874 def_bool y !! 3047 bool "Kexec system call"
2875 !! 3048 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 3049 help
2877 def_bool y !! 3050 kexec is a system call that implements the ability to shutdown your
>> 3051 current kernel, and to start another kernel. It is like a reboot
>> 3052 but it is independent of the system firmware. And like a reboot
>> 3053 you can start any kernel with it, not just Linux.
>> 3054
>> 3055 The name comes from the similarity to the exec system call.
>> 3056
>> 3057 It is an ongoing process to be certain the hardware in a machine
>> 3058 is properly shutdown, so do not be surprised if this code does not
>> 3059 initially work for you. As of this writing the exact hardware
>> 3060 interface is strongly in flux, so no good recommendation can be
>> 3061 made.
>> 3062
>> 3063 config CRASH_DUMP
>> 3064 bool "Kernel crash dumps"
>> 3065 help
>> 3066 Generate crash dump after being started by kexec.
>> 3067 This should be normally only set in special crash dump kernels
>> 3068 which are loaded in the main kernel with kexec-tools into
>> 3069 a specially reserved region and then later executed after
>> 3070 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3071 to a memory address not used by the main kernel or firmware using
>> 3072 PHYSICAL_START.
2878 3073
2879 config PHYSICAL_START 3074 config PHYSICAL_START
2880 hex "Physical address where the kerne 3075 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3076 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3077 depends on CRASH_DUMP
2883 help 3078 help
2884 This gives the CKSEG0 or KSEG0 addr 3079 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3080 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3081 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3082 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3083 passed to the panic-ed kernel).
2889 3084
2890 config MIPS_O32_FP64_SUPPORT 3085 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3086 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3087 depends on 32BIT || MIPS32_O32
2893 help 3088 help
2894 When this is enabled, the kernel wi 3089 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3090 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3091 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3092 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3093 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3094 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3095 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3096 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3097 saying N here.
2903 3098
2904 Although binutils currently support 3099 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3100 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla !! 3101 worked on. In order to avoid userland becoming dependant upon current
2907 behaviour before the details have b 3102 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3103 be considered experimental and only enabled by those working upon
2909 said details. 3104 said details.
2910 3105
2911 If unsure, say N. 3106 If unsure, say N.
2912 3107
2913 config USE_OF 3108 config USE_OF
2914 bool 3109 bool
2915 select OF 3110 select OF
2916 select OF_EARLY_FLATTREE 3111 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3112 select IRQ_DOMAIN
2918 3113
2919 config UHI_BOOT 3114 config UHI_BOOT
2920 bool 3115 bool
2921 3116
2922 config BUILTIN_DTB 3117 config BUILTIN_DTB
2923 bool 3118 bool
2924 3119
2925 choice 3120 choice
2926 prompt "Kernel appended dtb support" !! 3121 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3122 default MIPS_NO_APPENDED_DTB
2929 3123
2930 config MIPS_NO_APPENDED_DTB 3124 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3125 bool "None"
2932 help 3126 help
2933 Do not enable appended dtb 3127 Do not enable appended dtb support.
2934 3128
2935 config MIPS_ELF_APPENDED_DTB 3129 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3130 bool "vmlinux"
2937 help 3131 help
2938 With this option, the boot 3132 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3133 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3134 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3135 objcopy:
2942 3136
2943 objcopy --update-section 3137 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3138
2945 This is meant as a backward !! 3139 This is meant as a backward compatiblity convenience for those
2946 systems with a bootloader t 3140 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3141 the documented boot protocol using a device tree.
2948 3142
2949 config MIPS_RAW_APPENDED_DTB 3143 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3144 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3145 help
2952 With this option, the boot 3146 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3147 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3148 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3149
2956 This is meant as a backward 3150 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3151 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3152 the documented boot protocol using a device tree.
2959 3153
2960 Beware that there is very l 3154 Beware that there is very little in terms of protection against
2961 this option being confused 3155 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3156 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3157 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3158 if you don't intend to always append a DTB.
2965 endchoice 3159 endchoice
2966 3160
2967 choice 3161 choice
2968 prompt "Kernel command line type" !! 3162 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3163 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3164 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3165 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3166 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3167
2975 config MIPS_CMDLINE_FROM_DTB 3168 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3169 depends on USE_OF
2977 bool "Dtb kernel arguments if 3170 bool "Dtb kernel arguments if available"
2978 3171
2979 config MIPS_CMDLINE_DTB_EXTEND 3172 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3173 depends on USE_OF
2981 bool "Extend dtb kernel argum 3174 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3175
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3176 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3177 bool "Bootloader kernel arguments if available"
2985 3178
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3179 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3180 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3181 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3182 endchoice
2990 3183
2991 endmenu 3184 endmenu
2992 3185
2993 config LOCKDEP_SUPPORT 3186 config LOCKDEP_SUPPORT
2994 bool 3187 bool
2995 default y 3188 default y
2996 3189
2997 config STACKTRACE_SUPPORT 3190 config STACKTRACE_SUPPORT
2998 bool 3191 bool
2999 default y 3192 default y
3000 3193
3001 config PGTABLE_LEVELS 3194 config PGTABLE_LEVELS
3002 int 3195 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3196 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3197 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3198 default 2
3006 3199
3007 config MIPS_AUTO_PFN_OFFSET 3200 config MIPS_AUTO_PFN_OFFSET
3008 bool 3201 bool
3009 3202
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3203 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3204
3012 config PCI_DRIVERS_GENERIC 3205 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3206 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3207 bool
3015 3208
3016 config PCI_DRIVERS_LEGACY 3209 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3210 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3211 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3212 select PCI_DOMAINS if PCI
3020 3213
3021 # 3214 #
3022 # ISA support is now enabled via select. Too 3215 # 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 3216 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3217 # users to choose the right thing ...
3025 # 3218 #
3026 config ISA 3219 config ISA
3027 bool 3220 bool
3028 3221
3029 config TC 3222 config TC
3030 bool "TURBOchannel support" 3223 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3224 depends on MACH_DECSTATION
3032 help 3225 help
3033 TURBOchannel is a DEC (now Compaq ( 3226 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3227 processors. TURBOchannel programming specifications are available
3035 at: 3228 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3229 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3230 and:
3038 <http://www.computer-refuge.org/cla 3231 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3232 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3233 <http://www.linux-mips.org/wiki/DECstation>
3041 3234
3042 config MMU 3235 config MMU
3043 bool 3236 bool
3044 default y 3237 default y
3045 3238
3046 config ARCH_MMAP_RND_BITS_MIN 3239 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3240 default 12 if 64BIT
3048 default 8 3241 default 8
3049 3242
3050 config ARCH_MMAP_RND_BITS_MAX 3243 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3244 default 18 if 64BIT
3052 default 15 3245 default 15
3053 3246
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3247 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3248 default 8
3056 3249
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3250 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3251 default 15
3059 3252
3060 config I8253 3253 config I8253
3061 bool 3254 bool
3062 select CLKSRC_I8253 3255 select CLKSRC_I8253
3063 select CLKEVT_I8253 3256 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3257 select MIPS_EXTERNAL_TIMER
>> 3258
>> 3259 config ZONE_DMA
>> 3260 bool
>> 3261
>> 3262 config ZONE_DMA32
>> 3263 bool
>> 3264
3065 endmenu 3265 endmenu
3066 3266
3067 config TRAD_SIGNALS 3267 config TRAD_SIGNALS
3068 bool 3268 bool
3069 3269
3070 config MIPS32_COMPAT 3270 config MIPS32_COMPAT
3071 bool 3271 bool
3072 3272
3073 config COMPAT 3273 config COMPAT
3074 bool 3274 bool
3075 3275
>> 3276 config SYSVIPC_COMPAT
>> 3277 bool
>> 3278
3076 config MIPS32_O32 3279 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3280 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3281 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3282 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3283 select COMPAT
3081 select MIPS32_COMPAT 3284 select MIPS32_COMPAT
>> 3285 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3286 help
3083 Select this option if you want to r 3287 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3288 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3289 existing binaries are in this format.
3086 3290
3087 If unsure, say Y. 3291 If unsure, say Y.
3088 3292
3089 config MIPS32_N32 3293 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3294 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3295 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3296 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3297 select COMPAT
3094 select MIPS32_COMPAT 3298 select MIPS32_COMPAT
>> 3299 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3300 help
3096 Select this option if you want to r 3301 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3302 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3303 data that would normally be 64-bit. They are used in special
3099 cases. 3304 cases.
3100 3305
3101 If unsure, say N. 3306 If unsure, say N.
3102 3307
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3308 config BINFMT_ELF32
3104 def_bool y !! 3309 bool
3105 depends on $(cc-option,-mno-branch-li !! 3310 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3311 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 3312
3111 menu "Power management options" 3313 menu "Power management options"
3112 3314
3113 config ARCH_HIBERNATION_POSSIBLE 3315 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3316 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3317 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3318
3117 config ARCH_SUSPEND_POSSIBLE 3319 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3320 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3321 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3322
3121 source "kernel/power/Kconfig" 3323 source "kernel/power/Kconfig"
3122 3324
3123 endmenu 3325 endmenu
3124 3326
3125 config MIPS_EXTERNAL_TIMER 3327 config MIPS_EXTERNAL_TIMER
3126 bool 3328 bool
3127 3329
3128 menu "CPU Power Management" 3330 menu "CPU Power Management"
3129 3331
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3332 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3333 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3334 endif
3133 3335
3134 source "drivers/cpuidle/Kconfig" 3336 source "drivers/cpuidle/Kconfig"
3135 3337
3136 endmenu 3338 endmenu
>> 3339
>> 3340 source "drivers/firmware/Kconfig"
3137 3341
3138 source "arch/mips/kvm/Kconfig" 3342 source "arch/mips/kvm/Kconfig"
3139 3343
3140 source "arch/mips/vdso/Kconfig" 3344 source "arch/mips/vdso/Kconfig"
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