1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 7 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 8 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 9 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 10 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 11 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 12 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 13 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK !! 14 select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL
>> 15 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 16 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 17 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 18 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 19 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 20 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 21 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN <<
31 select BUILDTIME_TABLE_SORT 22 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 23 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 24 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 25 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 26 select GENERIC_ATOMIC64 if !64BIT
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 254 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 255 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 256 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 257 select BOOT_RAW
255 select NO_EXCEPT_FILL 258 select NO_EXCEPT_FILL
256 select USE_OF 259 select USE_OF
257 select CEVT_R4K 260 select CEVT_R4K
258 select CSRC_R4K 261 select CSRC_R4K
259 select SYNC_R4K 262 select SYNC_R4K
260 select COMMON_CLK 263 select COMMON_CLK
261 select BCM6345_L1_IRQ 264 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 265 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 266 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 267 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 268 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 269 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 270 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 271 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 272 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 273 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 274 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 275 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 276 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 277 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 278 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 279 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 280 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 281 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 282 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 283 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 284 help
285 Build a generic DT-based kernel imag 285 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 286 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 287 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 288 must be set appropriately for your board.
289 289
290 config BCM47XX 290 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 291 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 292 select BOOT_RAW
293 select CEVT_R4K 293 select CEVT_R4K
294 select CSRC_R4K 294 select CSRC_R4K
295 select DMA_NONCOHERENT 295 select DMA_NONCOHERENT
296 select HAVE_PCI 296 select HAVE_PCI
297 select IRQ_MIPS_CPU 297 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 298 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 299 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 300 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 301 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 302 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 303 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 304 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 305 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 306 select GPIOLIB
307 select LEDS_GPIO_REGISTER 307 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 308 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 309 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 310 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 311 help
312 Support for BCM47XX based boards 312 Support for BCM47XX based boards
313 313
314 config BCM63XX 314 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 315 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 316 select BOOT_RAW
317 select CEVT_R4K 317 select CEVT_R4K
318 select CSRC_R4K 318 select CSRC_R4K
319 select SYNC_R4K 319 select SYNC_R4K
320 select DMA_NONCOHERENT 320 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 321 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 322 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 323 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 324 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 <<
326 select SYS_HAS_CPU_BMIPS4350 <<
327 select SYS_HAS_CPU_BMIPS4380 <<
328 select SWAP_IO_SPACE 325 select SWAP_IO_SPACE
329 select GPIOLIB 326 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 327 select MIPS_L1_CACHE_SHIFT_4
>> 328 select CLKDEV_LOOKUP
331 select HAVE_LEGACY_CLK 329 select HAVE_LEGACY_CLK
332 help 330 help
333 Support for BCM63XX based boards 331 Support for BCM63XX based boards
334 332
335 config MIPS_COBALT 333 config MIPS_COBALT
336 bool "Cobalt Server" 334 bool "Cobalt Server"
337 select CEVT_R4K 335 select CEVT_R4K
338 select CSRC_R4K 336 select CSRC_R4K
339 select CEVT_GT641XX 337 select CEVT_GT641XX
340 select DMA_NONCOHERENT 338 select DMA_NONCOHERENT
341 select FORCE_PCI 339 select FORCE_PCI
342 select I8253 340 select I8253
343 select I8259 341 select I8259
344 select IRQ_MIPS_CPU 342 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 343 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 344 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 345 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 346 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 347 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 348 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 349 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 350 select USE_GENERIC_EARLY_PRINTK_8250
353 351
354 config MACH_DECSTATION 352 config MACH_DECSTATION
355 bool "DECstations" 353 bool "DECstations"
356 select BOOT_ELF32 354 select BOOT_ELF32
357 select CEVT_DS1287 355 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 356 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 357 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 358 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 359 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 360 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 361 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 362 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 363 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 364 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 365 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 366 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 367 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 368 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 369 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 370 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 371 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 372 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 373 select MIPS_L1_CACHE_SHIFT_4
376 help 374 help
377 This enables support for DEC's MIPS 375 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 376 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 377 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 378
381 If you have one of the following DEC 379 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 380 want to choose R4xx0 for the CPU Type:
383 381
384 DECstation 5000/50 382 DECstation 5000/50
385 DECstation 5000/150 383 DECstation 5000/150
386 DECstation 5000/260 384 DECstation 5000/260
387 DECsystem 5900/260 385 DECsystem 5900/260
388 386
389 otherwise choose R3000. 387 otherwise choose R3000.
390 388
391 config MACH_JAZZ 389 config MACH_JAZZ
392 bool "Jazz family of machines" 390 bool "Jazz family of machines"
393 select ARC_MEMORY 391 select ARC_MEMORY
394 select ARC_PROMLIB 392 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 393 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 394 select ARCH_MIGHT_HAVE_PC_SERIO
>> 395 select DMA_OPS
397 select FW_ARC 396 select FW_ARC
398 select FW_ARC32 397 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 398 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 399 select CEVT_R4K
401 select CSRC_R4K 400 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 401 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 402 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 403 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 404 select IRQ_MIPS_CPU
406 select I8253 405 select I8253
407 select I8259 406 select I8259
408 select ISA 407 select ISA
409 select SYS_HAS_CPU_R4X00 408 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 409 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 410 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 411 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 412 help
415 This a family of machines based on t 413 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 414 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 415 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 416 Olivetti M700-10 workstations.
419 417
420 config MACH_INGENIC_SOC 418 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 419 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 420 select MIPS_GENERIC
423 select MACH_INGENIC 421 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 422 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ <<
427 select MIPS_EXTERNAL_TIMER <<
428 423
429 config LANTIQ 424 config LANTIQ
430 bool "Lantiq based platforms" 425 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 426 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 427 select IRQ_MIPS_CPU
433 select CEVT_R4K 428 select CEVT_R4K
434 select CSRC_R4K 429 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 430 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 431 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 432 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 433 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 434 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 435 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 436 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 437 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 438 select GPIOLIB
445 select SWAP_IO_SPACE 439 select SWAP_IO_SPACE
446 select BOOT_RAW 440 select BOOT_RAW
>> 441 select CLKDEV_LOOKUP
447 select HAVE_LEGACY_CLK 442 select HAVE_LEGACY_CLK
448 select USE_OF 443 select USE_OF
449 select PINCTRL 444 select PINCTRL
450 select PINCTRL_LANTIQ 445 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 446 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 447 select RESET_CONTROLLER
453 448
454 config MACH_LOONGSON32 449 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 450 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 451 select SYS_SUPPORTS_ZBOOT
457 help 452 help
458 This enables support for the Loongso 453 This enables support for the Loongson-1 family of machines.
459 454
460 Loongson-1 is a family of 32-bit MIP 455 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 456 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 457 Sciences (CAS).
463 458
464 config MACH_LOONGSON2EF 459 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 460 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 461 select SYS_SUPPORTS_ZBOOT
467 help 462 help
468 This enables the support of early Lo 463 This enables the support of early Loongson-2E/F family of machines.
469 464
470 config MACH_LOONGSON64 465 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 466 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 467 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 468 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 469 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 470 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 471 select BOOT_ELF32
478 select BOARD_SCACHE 472 select BOARD_SCACHE
479 select CSRC_R4K 473 select CSRC_R4K
480 select CEVT_R4K 474 select CEVT_R4K
481 select SYNC_R4K !! 475 select CPU_HAS_WB
482 select FORCE_PCI 476 select FORCE_PCI
483 select ISA 477 select ISA
484 select I8259 478 select I8259
485 select IRQ_MIPS_CPU 479 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 480 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 481 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 482 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 483 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 484 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 485 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 486 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 487 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 488 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 489 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 490 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 491 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 492 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 493 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 494 select ZONE_DMA32
>> 495 select NUMA
>> 496 select SMP
501 select COMMON_CLK 497 select COMMON_CLK
502 select USE_OF 498 select USE_OF
503 select BUILTIN_DTB 499 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 500 select PCI_HOST_GENERIC
505 help 501 help
506 This enables the support of Loongson 502 This enables the support of Loongson-2/3 family of machines.
507 503
508 Loongson-2 and Loongson-3 are 64-bit 504 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 505 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 506 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 507 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 508
>> 509 config MACH_PISTACHIO
>> 510 bool "IMG Pistachio SoC based boards"
>> 511 select BOOT_ELF32
>> 512 select BOOT_RAW
>> 513 select CEVT_R4K
>> 514 select CLKSRC_MIPS_GIC
>> 515 select COMMON_CLK
>> 516 select CSRC_R4K
>> 517 select DMA_NONCOHERENT
>> 518 select GPIOLIB
>> 519 select IRQ_MIPS_CPU
>> 520 select MFD_SYSCON
>> 521 select MIPS_CPU_SCACHE
>> 522 select MIPS_GIC
>> 523 select PINCTRL
>> 524 select REGULATOR
>> 525 select SYS_HAS_CPU_MIPS32_R2
>> 526 select SYS_SUPPORTS_32BIT_KERNEL
>> 527 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 528 select SYS_SUPPORTS_MIPS_CPS
>> 529 select SYS_SUPPORTS_MULTITHREADING
>> 530 select SYS_SUPPORTS_RELOCATABLE
>> 531 select SYS_SUPPORTS_ZBOOT
>> 532 select SYS_HAS_EARLY_PRINTK
>> 533 select USE_GENERIC_EARLY_PRINTK_8250
>> 534 select USE_OF
>> 535 help
>> 536 This enables support for the IMG Pistachio SoC platform.
>> 537
513 config MIPS_MALTA 538 config MIPS_MALTA
514 bool "MIPS Malta board" 539 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 540 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 541 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 542 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 543 select BOOT_ELF32
519 select BOOT_RAW 544 select BOOT_RAW
520 select BUILTIN_DTB 545 select BUILTIN_DTB
521 select CEVT_R4K 546 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 547 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 548 select COMMON_CLK
524 select CSRC_R4K 549 select CSRC_R4K
525 select DMA_NONCOHERENT !! 550 select DMA_MAYBE_COHERENT
526 select GENERIC_ISA_DMA 551 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 552 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 553 select HAVE_PCI
529 select I8253 554 select I8253
530 select I8259 555 select I8259
531 select IRQ_MIPS_CPU 556 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 557 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 558 select MIPS_CPU_SCACHE
534 select MIPS_GIC 559 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 560 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 561 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 562 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 563 select SMP_UP if SMP
539 select SWAP_IO_SPACE 564 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 565 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 566 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 567 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 568 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 569 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 570 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 571 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 572 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 573 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 574 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 575 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 576 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 577 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 578 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 579 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 580 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 581 select SYS_SUPPORTS_MIPS16
>> 582 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 583 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 584 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 585 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 586 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 587 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 588 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 589 select USE_OF
564 select WAR_ICACHE_REFILLS 590 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 591 select ZONE_DMA32 if 64BIT
566 help 592 help
567 This enables support for the MIPS Te 593 This enables support for the MIPS Technologies Malta evaluation
568 board. 594 board.
569 595
570 config MACH_PIC32 596 config MACH_PIC32
571 bool "Microchip PIC32 Family" 597 bool "Microchip PIC32 Family"
572 help 598 help
573 This enables support for the Microch 599 This enables support for the Microchip PIC32 family of platforms.
574 600
575 Microchip PIC32 is a family of gener 601 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 602 microcontrollers.
577 603
578 config EYEQ !! 604 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 605 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 606 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 607 select CSRC_R4K
592 select DMA_NONCOHERENT !! 608 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 609 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 610 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 <<
633 611
634 config RALINK 612 config RALINK
635 bool "Ralink based machines" 613 bool "Ralink based machines"
636 select CEVT_R4K 614 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 615 select CSRC_R4K
639 select BOOT_RAW 616 select BOOT_RAW
640 select DMA_NONCOHERENT 617 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 618 select IRQ_MIPS_CPU
642 select USE_OF 619 select USE_OF
>> 620 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 621 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 622 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 623 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 624 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 625 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 626 select SYS_HAS_EARLY_PRINTK
>> 627 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 628 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 629 select RESET_CONTROLLER
651 630
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 631 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 632 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 633 select ARC_MEMORY
675 select ARC_PROMLIB 634 select ARC_PROMLIB
676 select FW_ARC 635 select FW_ARC
677 select FW_ARC32 636 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 637 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 638 select BOOT_ELF32
680 select CEVT_R4K 639 select CEVT_R4K
681 select CSRC_R4K 640 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 641 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 642 select DMA_NONCOHERENT
684 select HAVE_EISA 643 select HAVE_EISA
685 select I8253 644 select I8253
686 select I8259 645 select I8259
687 select IP22_CPU_SCACHE 646 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 647 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 648 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 649 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 650 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 651 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 652 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 653 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 654 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 655 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 656 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 657 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 658 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 659 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 660 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 661 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 662 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 663 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 664 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 665 select MIPS_L1_CACHE_SHIFT_7
707 help 666 help
708 This are the SGI Indy, Challenge S a 667 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 668 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 669 that runs on these, say Y here.
711 670
712 config SGI_IP27 671 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 672 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 673 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 674 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 675 select FW_ARC
717 select FW_ARC64 676 select FW_ARC64
718 select ARC_CMDLINE_ONLY 677 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 678 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 679 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 680 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 681 select HAVE_PCI
724 select IRQ_MIPS_CPU 682 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 683 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 684 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 685 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 686 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 687 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 688 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 689 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 690 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 691 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 692 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 693 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 694 select NUMA
737 help 695 help
738 This are the SGI Origin 200, Origin 696 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 697 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 698 here.
741 699
742 config SGI_IP28 700 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 701 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 702 select ARC_MEMORY
745 select ARC_PROMLIB 703 select ARC_PROMLIB
746 select FW_ARC 704 select FW_ARC
747 select FW_ARC64 705 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 706 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 707 select BOOT_ELF64
750 select CEVT_R4K 708 select CEVT_R4K
751 select CSRC_R4K 709 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 710 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 711 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 712 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 713 select IRQ_MIPS_CPU
756 select HAVE_EISA 714 select HAVE_EISA
757 select I8253 715 select I8253
758 select I8259 716 select I8259
759 select SGI_HAS_I8042 717 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 718 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 719 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 720 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 721 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 722 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 723 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 724 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 725 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 726 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 727 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 728 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 729 select MIPS_L1_CACHE_SHIFT_7
772 help 730 help
773 This is the SGI Indigo2 with R10000 731 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 732 kernel that runs on these, say Y here.
775 733
776 config SGI_IP30 734 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 735 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 736 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 737 select FW_ARC
780 select FW_ARC64 738 select FW_ARC64
781 select BOOT_ELF64 739 select BOOT_ELF64
782 select CEVT_R4K 740 select CEVT_R4K
783 select CSRC_R4K 741 select CSRC_R4K
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP 742 select SYNC_R4K if SMP
786 select ZONE_DMA32 743 select ZONE_DMA32
787 select HAVE_PCI 744 select HAVE_PCI
788 select IRQ_MIPS_CPU 745 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 746 select IRQ_DOMAIN_HIERARCHY
>> 747 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 748 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 749 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 750 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 751 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 752 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 753 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 754 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 755 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 756 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 757 select ARC_MEMORY
800 help 758 help
801 These are the SGI Octane and Octane2 759 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 760 compile a Linux kernel that runs on these, say Y here.
803 761
804 config SGI_IP32 762 config SGI_IP32
805 bool "SGI IP32 (O2)" 763 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 764 select ARC_MEMORY
807 select ARC_PROMLIB 765 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 766 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 767 select FW_ARC
810 select FW_ARC32 768 select FW_ARC32
811 select BOOT_ELF32 769 select BOOT_ELF32
812 select CEVT_R4K 770 select CEVT_R4K
813 select CSRC_R4K 771 select CSRC_R4K
814 select DMA_NONCOHERENT 772 select DMA_NONCOHERENT
815 select HAVE_PCI 773 select HAVE_PCI
816 select IRQ_MIPS_CPU 774 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 775 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 776 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 777 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 778 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 779 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 780 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 781 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 782 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 783 select WAR_ICACHE_REFILLS
826 help 784 help
827 If you want this kernel to run on SG 785 If you want this kernel to run on SGI O2 workstation, say Y here.
828 786
>> 787 config SIBYTE_CRHINE
>> 788 bool "Sibyte BCM91120C-CRhine"
>> 789 select BOOT_ELF32
>> 790 select SIBYTE_BCM1120
>> 791 select SWAP_IO_SPACE
>> 792 select SYS_HAS_CPU_SB1
>> 793 select SYS_SUPPORTS_BIG_ENDIAN
>> 794 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 795
>> 796 config SIBYTE_CARMEL
>> 797 bool "Sibyte BCM91120x-Carmel"
>> 798 select BOOT_ELF32
>> 799 select SIBYTE_BCM1120
>> 800 select SWAP_IO_SPACE
>> 801 select SYS_HAS_CPU_SB1
>> 802 select SYS_SUPPORTS_BIG_ENDIAN
>> 803 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 804
829 config SIBYTE_CRHONE 805 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 806 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 807 select BOOT_ELF32
832 select SIBYTE_BCM1125 808 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 809 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 810 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 811 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 812 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 813 select SYS_SUPPORTS_LITTLE_ENDIAN
838 814
839 config SIBYTE_RHONE 815 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 816 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 817 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 818 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 819 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 820 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 821 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 822 select SYS_SUPPORTS_LITTLE_ENDIAN
847 823
848 config SIBYTE_SWARM 824 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 825 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 826 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 827 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 828 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 829 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 830 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 831 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 832 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 833 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 834 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 835 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 836
861 config SIBYTE_LITTLESUR 837 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 838 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 839 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 840 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 841 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 842 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 843 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 844 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 845 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 846 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 847 select ZONE_DMA32 if 64BIT
872 848
873 config SIBYTE_SENTOSA 849 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 850 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 851 select BOOT_ELF32
876 select SIBYTE_SB1250 852 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 853 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 854 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 855 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 856 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 857 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 858
883 config SIBYTE_BIGSUR 859 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 860 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 861 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 862 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 863 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 864 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 865 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 866 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 867 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 868 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 869 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 870 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 871
896 config SNI_RM 872 config SNI_RM
897 bool "SNI RM200/300/400" 873 bool "SNI RM200/300/400"
898 select ARC_MEMORY 874 select ARC_MEMORY
899 select ARC_PROMLIB 875 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 876 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 877 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 878 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 879 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 880 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 881 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 882 select BOOT_ELF32
907 select CEVT_R4K 883 select CEVT_R4K
908 select CSRC_R4K 884 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 885 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 886 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 887 select GENERIC_ISA_DMA
912 select HAVE_EISA 888 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 889 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 890 select HAVE_PCI
915 select IRQ_MIPS_CPU 891 select IRQ_MIPS_CPU
916 select I8253 892 select I8253
917 select I8259 893 select I8259
918 select ISA 894 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 895 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 896 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 897 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 898 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 899 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 900 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 901 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 902 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 903 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 904 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 905 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 906 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 907 select WAR_R4600_V2_HIT_CACHEOP
932 help 908 help
933 The SNI RM200/300/400 are MIPS-based 909 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 910 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 911 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 912 support this machine type.
937 913
>> 914 config MACH_TX39XX
>> 915 bool "Toshiba TX39 series based machines"
>> 916
938 config MACH_TX49XX 917 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 918 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 919 select WAR_TX49XX_ICACHE_INDEX_INV
941 920
942 config MIKROTIK_RB532 921 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 922 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 923 select CEVT_R4K
945 select CSRC_R4K 924 select CSRC_R4K
946 select DMA_NONCOHERENT 925 select DMA_NONCOHERENT
947 select HAVE_PCI 926 select HAVE_PCI
948 select IRQ_MIPS_CPU 927 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 928 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 929 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 930 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 931 select SWAP_IO_SPACE
953 select BOOT_RAW 932 select BOOT_RAW
954 select GPIOLIB 933 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 934 select MIPS_L1_CACHE_SHIFT_4
956 help 935 help
957 Support the Mikrotik(tm) RouterBoard 936 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 937 based on the IDT RC32434 SoC.
959 938
960 config CAVIUM_OCTEON_SOC 939 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 940 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 941 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 942 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 943 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 944 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 945 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 946 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 947 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 948 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 949 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 950 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 951 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 952 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 953 select HAVE_PCI
975 select HAVE_PLAT_DELAY 954 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 955 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 956 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 957 select ZONE_DMA32
>> 958 select HOLES_IN_ZONE
979 select GPIOLIB 959 select GPIOLIB
980 select USE_OF 960 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 961 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 962 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 963 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 964 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 965 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 966 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 967 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 968 select SYS_SUPPORTS_RELOCATABLE
990 help 969 help
991 This option supports all of the Octe 970 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 971 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 972 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 973 Some of the supported boards are:
995 EBT3000 974 EBT3000
996 EBH3000 975 EBH3000
997 EBH3100 976 EBH3100
998 Thunder 977 Thunder
999 Kodama 978 Kodama
1000 Hikari 979 Hikari
1001 Say Y here for most Octeon referenc 980 Say Y here for most Octeon reference boards.
1002 981
1003 endchoice !! 982 config NLM_XLR_BOARD
>> 983 bool "Netlogic XLR/XLS based systems"
>> 984 select BOOT_ELF32
>> 985 select NLM_COMMON
>> 986 select SYS_HAS_CPU_XLR
>> 987 select SYS_SUPPORTS_SMP
>> 988 select HAVE_PCI
>> 989 select SWAP_IO_SPACE
>> 990 select SYS_SUPPORTS_32BIT_KERNEL
>> 991 select SYS_SUPPORTS_64BIT_KERNEL
>> 992 select PHYS_ADDR_T_64BIT
>> 993 select SYS_SUPPORTS_BIG_ENDIAN
>> 994 select SYS_SUPPORTS_HIGHMEM
>> 995 select NR_CPUS_DEFAULT_32
>> 996 select CEVT_R4K
>> 997 select CSRC_R4K
>> 998 select IRQ_MIPS_CPU
>> 999 select ZONE_DMA32 if 64BIT
>> 1000 select SYNC_R4K
>> 1001 select SYS_HAS_EARLY_PRINTK
>> 1002 select SYS_SUPPORTS_ZBOOT
>> 1003 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1004 help
>> 1005 Support for systems based on Netlogic XLR and XLS processors.
>> 1006 Say Y here if you have a XLR or XLS based board.
1004 1007
1005 config FIT_IMAGE_FDT_EPM5 !! 1008 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1009 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1010 select BOOT_ELF32
1008 default n !! 1011 select NLM_COMMON
>> 1012 select SYS_HAS_CPU_XLP
>> 1013 select SYS_SUPPORTS_SMP
>> 1014 select HAVE_PCI
>> 1015 select SYS_SUPPORTS_32BIT_KERNEL
>> 1016 select SYS_SUPPORTS_64BIT_KERNEL
>> 1017 select PHYS_ADDR_T_64BIT
>> 1018 select GPIOLIB
>> 1019 select SYS_SUPPORTS_BIG_ENDIAN
>> 1020 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1021 select SYS_SUPPORTS_HIGHMEM
>> 1022 select NR_CPUS_DEFAULT_32
>> 1023 select CEVT_R4K
>> 1024 select CSRC_R4K
>> 1025 select IRQ_MIPS_CPU
>> 1026 select ZONE_DMA32 if 64BIT
>> 1027 select SYNC_R4K
>> 1028 select SYS_HAS_EARLY_PRINTK
>> 1029 select USE_OF
>> 1030 select SYS_SUPPORTS_ZBOOT
>> 1031 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1032 help
1010 Enable this to include the FDT for !! 1033 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1034 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1035
>> 1036 endchoice
1013 1037
1014 source "arch/mips/alchemy/Kconfig" 1038 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1039 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1040 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1041 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1042 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1043 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1044 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1045 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1046 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1047 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1048 source "arch/mips/pic32/Kconfig"
>> 1049 source "arch/mips/pistachio/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1050 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1051 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1052 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1053 source "arch/mips/txx9/Kconfig"
>> 1054 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1055 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1056 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1057 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1058 source "arch/mips/loongson64/Kconfig"
>> 1059 source "arch/mips/netlogic/Kconfig"
1034 1060
1035 endmenu 1061 endmenu
1036 1062
1037 config GENERIC_HWEIGHT 1063 config GENERIC_HWEIGHT
1038 bool 1064 bool
1039 default y 1065 default y
1040 1066
1041 config GENERIC_CALIBRATE_DELAY 1067 config GENERIC_CALIBRATE_DELAY
1042 bool 1068 bool
1043 default y 1069 default y
1044 1070
1045 config SCHED_OMIT_FRAME_POINTER 1071 config SCHED_OMIT_FRAME_POINTER
1046 bool 1072 bool
1047 default y 1073 default y
1048 1074
1049 # 1075 #
1050 # Select some configuration options automatic 1076 # Select some configuration options automatically based on user selections.
1051 # 1077 #
1052 config FW_ARC 1078 config FW_ARC
1053 bool 1079 bool
1054 1080
1055 config ARCH_MAY_HAVE_PC_FDC 1081 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1082 bool
1057 1083
1058 config BOOT_RAW 1084 config BOOT_RAW
1059 bool 1085 bool
1060 1086
1061 config CEVT_BCM1480 1087 config CEVT_BCM1480
1062 bool 1088 bool
1063 1089
1064 config CEVT_DS1287 1090 config CEVT_DS1287
1065 bool 1091 bool
1066 1092
1067 config CEVT_GT641XX 1093 config CEVT_GT641XX
1068 bool 1094 bool
1069 1095
1070 config CEVT_R4K 1096 config CEVT_R4K
1071 bool 1097 bool
1072 1098
1073 config CEVT_SB1250 1099 config CEVT_SB1250
1074 bool 1100 bool
1075 1101
1076 config CEVT_TXX9 1102 config CEVT_TXX9
1077 bool 1103 bool
1078 1104
1079 config CSRC_BCM1480 1105 config CSRC_BCM1480
1080 bool 1106 bool
1081 1107
1082 config CSRC_IOASIC 1108 config CSRC_IOASIC
1083 bool 1109 bool
1084 1110
1085 config CSRC_R4K 1111 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1112 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1113 bool
1089 1114
1090 config CSRC_SB1250 1115 config CSRC_SB1250
1091 bool 1116 bool
1092 1117
1093 config MIPS_CLOCK_VSYSCALL 1118 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1119 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1120
1096 config GPIO_TXX9 1121 config GPIO_TXX9
1097 select GPIOLIB 1122 select GPIOLIB
1098 bool 1123 bool
1099 1124
1100 config FW_CFE 1125 config FW_CFE
1101 bool 1126 bool
1102 1127
1103 config ARCH_SUPPORTS_UPROBES 1128 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1129 bool
>> 1130
>> 1131 config DMA_MAYBE_COHERENT
>> 1132 select ARCH_HAS_DMA_COHERENCE_H
>> 1133 select DMA_NONCOHERENT
>> 1134 bool
>> 1135
>> 1136 config DMA_PERDEV_COHERENT
>> 1137 bool
>> 1138 select ARCH_HAS_SETUP_DMA_OPS
>> 1139 select DMA_NONCOHERENT
1105 1140
1106 config DMA_NONCOHERENT 1141 config DMA_NONCOHERENT
1107 bool 1142 bool
1108 # 1143 #
1109 # MIPS allows mixing "slightly differ 1144 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1145 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1146 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1147 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1148 # significant advantages.
1114 # 1149 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1150 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1151 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1152 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1153 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1154 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1155 select NEED_DMA_MAP_STATE
1123 1156
1124 config SYS_HAS_EARLY_PRINTK 1157 config SYS_HAS_EARLY_PRINTK
1125 bool 1158 bool
1126 1159
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1160 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1161 bool
1129 1162
1130 config MIPS_BONITO64 1163 config MIPS_BONITO64
1131 bool 1164 bool
1132 1165
1133 config MIPS_MSC 1166 config MIPS_MSC
1134 bool 1167 bool
1135 1168
1136 config SYNC_R4K 1169 config SYNC_R4K
1137 bool 1170 bool
1138 1171
1139 config NO_IOPORT_MAP 1172 config NO_IOPORT_MAP
1140 def_bool n 1173 def_bool n
1141 1174
1142 config GENERIC_CSUM 1175 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1176 def_bool CPU_NO_LOAD_STORE_LR
1144 1177
1145 config GENERIC_ISA_DMA 1178 config GENERIC_ISA_DMA
1146 bool 1179 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1180 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1181 select ISA_DMA_API
1149 1182
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1183 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1184 bool
1152 select GENERIC_ISA_DMA 1185 select GENERIC_ISA_DMA
1153 1186
1154 config HAVE_PLAT_DELAY 1187 config HAVE_PLAT_DELAY
1155 bool 1188 bool
1156 1189
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1190 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1191 bool
1159 1192
1160 config HAVE_PLAT_MEMCPY 1193 config HAVE_PLAT_MEMCPY
1161 bool 1194 bool
1162 1195
1163 config ISA_DMA_API 1196 config ISA_DMA_API
1164 bool 1197 bool
1165 1198
>> 1199 config HOLES_IN_ZONE
>> 1200 bool
>> 1201
1166 config SYS_SUPPORTS_RELOCATABLE 1202 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1203 bool
1168 help 1204 help
1169 Selected if the platform supports r 1205 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1206 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1207 to allow access to command line and entropy sources.
1172 1208
>> 1209 config MIPS_CBPF_JIT
>> 1210 def_bool y
>> 1211 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1212
>> 1213 config MIPS_EBPF_JIT
>> 1214 def_bool y
>> 1215 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1216
>> 1217
1173 # 1218 #
1174 # Endianness selection. Sufficiently obscure 1219 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1220 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1221 # choice statement should be more obvious to the user.
1177 # 1222 #
1178 choice 1223 choice
1179 prompt "Endianness selection" 1224 prompt "Endianness selection"
1180 help 1225 help
1181 Some MIPS machines can be configure 1226 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1227 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1228 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1229 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1230 one or the other endianness.
1186 1231
1187 config CPU_BIG_ENDIAN 1232 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1233 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1234 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1235
1191 config CPU_LITTLE_ENDIAN 1236 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1237 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1238 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1239
1195 endchoice 1240 endchoice
1196 1241
1197 config EXPORT_UASM 1242 config EXPORT_UASM
1198 bool 1243 bool
1199 1244
1200 config SYS_SUPPORTS_APM_EMULATION 1245 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1246 bool
1202 1247
1203 config SYS_SUPPORTS_BIG_ENDIAN 1248 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1249 bool
1205 1250
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1251 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1252 bool
1208 1253
>> 1254 config SYS_SUPPORTS_HUGETLBFS
>> 1255 bool
>> 1256 depends on CPU_SUPPORTS_HUGEPAGES
>> 1257 default y
>> 1258
1209 config MIPS_HUGE_TLB_SUPPORT 1259 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1260 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1261
>> 1262 config IRQ_CPU_RM7K
>> 1263 bool
>> 1264
>> 1265 config IRQ_MSP_SLP
>> 1266 bool
>> 1267
>> 1268 config IRQ_MSP_CIC
>> 1269 bool
>> 1270
1212 config IRQ_TXX9 1271 config IRQ_TXX9
1213 bool 1272 bool
1214 1273
1215 config IRQ_GT641XX 1274 config IRQ_GT641XX
1216 bool 1275 bool
1217 1276
1218 config PCI_GT64XXX_PCI0 1277 config PCI_GT64XXX_PCI0
1219 bool 1278 bool
1220 1279
1221 config PCI_XTALK_BRIDGE 1280 config PCI_XTALK_BRIDGE
1222 bool 1281 bool
1223 1282
1224 config NO_EXCEPT_FILL 1283 config NO_EXCEPT_FILL
1225 bool 1284 bool
1226 1285
1227 config MIPS_SPRAM 1286 config MIPS_SPRAM
1228 bool 1287 bool
1229 1288
1230 config SWAP_IO_SPACE 1289 config SWAP_IO_SPACE
1231 bool 1290 bool
1232 1291
1233 config SGI_HAS_INDYDOG 1292 config SGI_HAS_INDYDOG
1234 bool 1293 bool
1235 1294
1236 config SGI_HAS_HAL2 1295 config SGI_HAS_HAL2
1237 bool 1296 bool
1238 1297
1239 config SGI_HAS_SEEQ 1298 config SGI_HAS_SEEQ
1240 bool 1299 bool
1241 1300
1242 config SGI_HAS_WD93 1301 config SGI_HAS_WD93
1243 bool 1302 bool
1244 1303
1245 config SGI_HAS_ZILOG 1304 config SGI_HAS_ZILOG
1246 bool 1305 bool
1247 1306
1248 config SGI_HAS_I8042 1307 config SGI_HAS_I8042
1249 bool 1308 bool
1250 1309
1251 config DEFAULT_SGI_PARTITION 1310 config DEFAULT_SGI_PARTITION
1252 bool 1311 bool
1253 1312
1254 config FW_ARC32 1313 config FW_ARC32
1255 bool 1314 bool
1256 1315
1257 config FW_SNIPROM 1316 config FW_SNIPROM
1258 bool 1317 bool
1259 1318
1260 config BOOT_ELF32 1319 config BOOT_ELF32
1261 bool 1320 bool
1262 1321
1263 config MIPS_L1_CACHE_SHIFT_4 1322 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1323 bool
1265 1324
1266 config MIPS_L1_CACHE_SHIFT_5 1325 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1326 bool
1268 1327
1269 config MIPS_L1_CACHE_SHIFT_6 1328 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1329 bool
1271 1330
1272 config MIPS_L1_CACHE_SHIFT_7 1331 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1332 bool
1274 1333
1275 config MIPS_L1_CACHE_SHIFT 1334 config MIPS_L1_CACHE_SHIFT
1276 int 1335 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1336 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1337 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1338 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1339 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1340 default "5"
1282 1341
1283 config ARC_CMDLINE_ONLY 1342 config ARC_CMDLINE_ONLY
1284 bool 1343 bool
1285 1344
1286 config ARC_CONSOLE 1345 config ARC_CONSOLE
1287 bool "ARC console support" 1346 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1347 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1348
1290 config ARC_MEMORY 1349 config ARC_MEMORY
1291 bool 1350 bool
1292 1351
1293 config ARC_PROMLIB 1352 config ARC_PROMLIB
1294 bool 1353 bool
1295 1354
1296 config FW_ARC64 1355 config FW_ARC64
1297 bool 1356 bool
1298 1357
1299 config BOOT_ELF64 1358 config BOOT_ELF64
1300 bool 1359 bool
1301 1360
1302 menu "CPU selection" 1361 menu "CPU selection"
1303 1362
1304 choice 1363 choice
1305 prompt "CPU type" 1364 prompt "CPU type"
1306 default CPU_R4X00 1365 default CPU_R4X00
1307 1366
1308 config CPU_LOONGSON64 1367 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1368 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1369 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1370 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1371 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1372 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1373 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1374 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1375 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1376 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1377 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1378 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1379 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1380 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1381 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1382 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1383 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1384 select GPIOLIB
1329 select SWIOTLB 1385 select SWIOTLB
>> 1386 select HAVE_KVM
1330 help 1387 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1388 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr !! 1389 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 !! 1390 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1391 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here !! 1392 Loongson-2E/2F is not covered here and will be removed in future.
>> 1393
>> 1394 config LOONGSON3_ENHANCEMENT
>> 1395 bool "New Loongson-3 CPU Enhancements"
>> 1396 default n
>> 1397 depends on CPU_LOONGSON64
>> 1398 help
>> 1399 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1400 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1401 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1402 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1403 Fast TLB refill support, etc.
>> 1404
>> 1405 This option enable those enhancements which are not probed at run
>> 1406 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1407 please say 'N' here. If you want a high-performance kernel to run on
>> 1408 new Loongson-3 machines only, please say 'Y' here.
>> 1409
>> 1410 config CPU_LOONGSON3_WORKAROUNDS
>> 1411 bool "Old Loongson-3 LLSC Workarounds"
>> 1412 default y if SMP
>> 1413 depends on CPU_LOONGSON64
>> 1414 help
>> 1415 Loongson-3 processors have the llsc issues which require workarounds.
>> 1416 Without workarounds the system may hang unexpectedly.
>> 1417
>> 1418 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1419 The workarounds have no significant side effect on them but may
>> 1420 decrease the performance of the system so this option should be
>> 1421 disabled unless the kernel is intended to be run on old systems.
>> 1422
>> 1423 If unsure, please say Y.
>> 1424
>> 1425 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1426 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1427 default y
>> 1428 depends on CPU_LOONGSON64
>> 1429 help
>> 1430 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1431 userland to query CPU capabilities, much like CPUID on x86. This
>> 1432 option provides emulation of the instruction on older Loongson
>> 1433 cores, back to Loongson-3A1000.
>> 1434
>> 1435 If unsure, please say Y.
1336 1436
1337 config CPU_LOONGSON2E 1437 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1438 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1439 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1440 select CPU_LOONGSON2EF
1341 help 1441 help
1342 The Loongson 2E processor implement 1442 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1443 with many extensions.
1344 1444
1345 It has an internal FPGA northbridge 1445 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1446 bonito64.
1347 1447
1348 config CPU_LOONGSON2F 1448 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1449 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1450 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1451 select CPU_LOONGSON2EF
>> 1452 select GPIOLIB
1352 help 1453 help
1353 The Loongson 2F processor implement 1454 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1455 with many extensions.
1355 1456
1356 Loongson2F have built-in DDR2 and P 1457 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1458 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1459 Loongson2E.
1359 1460
1360 config CPU_LOONGSON1B 1461 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1462 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1463 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1464 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1465 select LEDS_GPIO_REGISTER
1365 help 1466 help
1366 The Loongson 1B is a 32-bit SoC, wh 1467 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1468 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1469 instruction set.
1369 1470
1370 config CPU_LOONGSON1C 1471 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1472 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1473 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1474 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1475 select LEDS_GPIO_REGISTER
1375 help 1476 help
1376 The Loongson 1C is a 32-bit SoC, wh 1477 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1478 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1479 instruction set.
1379 1480
1380 config CPU_MIPS32_R1 1481 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1482 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1483 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1484 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1485 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1486 select CPU_SUPPORTS_HIGHMEM
1386 help 1487 help
1387 Choose this option to build a kerne 1488 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1489 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1490 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1491 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1492 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1493 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1494 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1495 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1496 performance.
1396 1497
1397 config CPU_MIPS32_R2 1498 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1499 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1500 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1501 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1502 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1503 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1504 select CPU_SUPPORTS_MSA
>> 1505 select HAVE_KVM
1404 help 1506 help
1405 Choose this option to build a kerne 1507 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1508 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1509 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1510 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1511 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1512
1411 config CPU_MIPS32_R5 1513 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1514 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1515 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1516 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1517 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1518 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1519 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1520 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1521 select MIPS_O32_FP64_SUPPORT
1420 help 1522 help
1421 Choose this option to build a kerne 1523 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1524 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1525 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1526 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1527
1426 config CPU_MIPS32_R6 1528 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1529 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1530 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1531 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1532 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1533 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1534 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1535 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1536 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1537 select MIPS_O32_FP64_SUPPORT
1436 help 1538 help
1437 Choose this option to build a kerne 1539 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1540 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1541 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1542 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1543
1442 config CPU_MIPS64_R1 1544 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1545 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1546 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1547 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1548 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1549 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1550 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1551 select CPU_SUPPORTS_HUGEPAGES
1450 help 1552 help
1451 Choose this option to build a kerne 1553 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1554 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1555 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1556 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1557 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1558 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1559 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1560 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1561 performance.
1460 1562
1461 config CPU_MIPS64_R2 1563 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1564 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1565 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1566 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1567 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1568 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1569 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1570 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1571 select CPU_SUPPORTS_MSA
>> 1572 select HAVE_KVM
1470 help 1573 help
1471 Choose this option to build a kerne 1574 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1575 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1576 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1577 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1578 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1579
1477 config CPU_MIPS64_R5 1580 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1581 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1582 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1583 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1584 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1585 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1586 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1587 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1588 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1589 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1590 select HAVE_KVM
1488 help 1591 help
1489 Choose this option to build a kerne 1592 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1593 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1594 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1595 any hardware known to be based on this release.
1493 1596
1494 config CPU_MIPS64_R6 1597 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1598 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1599 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1600 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1601 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1602 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1603 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1604 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1605 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1606 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1607 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1608 select HAVE_KVM
1506 help 1609 help
1507 Choose this option to build a kerne 1610 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1611 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1612 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1613 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1614
1512 config CPU_P5600 1615 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1616 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1617 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1618 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1619 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1620 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1621 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1622 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1623 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1624 select CPU_MIPSR2_IRQ_EI
>> 1625 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1626 select MIPS_O32_FP64_SUPPORT
1524 help 1627 help
1525 Choose this option to build a kerne 1628 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1629 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1630 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1631 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1632 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1633 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1634 eJTAG and PDtrace.
1532 1635
1533 config CPU_R3000 1636 config CPU_R3000
1534 bool "R3000" 1637 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1638 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1639 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1640 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1641 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1642 select CPU_SUPPORTS_HIGHMEM
1540 help 1643 help
1541 Please make sure to pick the right 1644 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1645 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1646 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1647 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1648 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1649 try to recompile with R3000.
1547 1650
1548 config CPU_R4300 !! 1651 config CPU_TX39XX
1549 bool "R4300" !! 1652 bool "R39XX"
1550 depends on SYS_HAS_CPU_R4300 !! 1653 depends on SYS_HAS_CPU_TX39XX
>> 1654 select CPU_SUPPORTS_32BIT_KERNEL
>> 1655 select CPU_R3K_TLB
>> 1656
>> 1657 config CPU_VR41XX
>> 1658 bool "R41xx"
>> 1659 depends on SYS_HAS_CPU_VR41XX
1551 select CPU_SUPPORTS_32BIT_KERNEL 1660 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1661 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1662 help
1554 MIPS Technologies R4300-series proc !! 1663 The options selects support for the NEC VR4100 series of processors.
>> 1664 Only choose this option if you have one of these processors as a
>> 1665 kernel built with this option will not run on any other type of
>> 1666 processor or vice versa.
1555 1667
1556 config CPU_R4X00 1668 config CPU_R4X00
1557 bool "R4x00" 1669 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1670 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1671 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1672 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1673 select CPU_SUPPORTS_HUGEPAGES
1562 help 1674 help
1563 MIPS Technologies R4000-series proc 1675 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1676 the R4000, R4400, R4600, and 4700.
1565 1677
1566 config CPU_TX49XX 1678 config CPU_TX49XX
1567 bool "R49XX" 1679 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1680 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1681 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1682 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1683 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1684 select CPU_SUPPORTS_HUGEPAGES
1573 1685
1574 config CPU_R5000 1686 config CPU_R5000
1575 bool "R5000" 1687 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1688 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1689 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1690 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1691 select CPU_SUPPORTS_HUGEPAGES
1580 help 1692 help
1581 MIPS Technologies R5000-series proc 1693 MIPS Technologies R5000-series processors other than the Nevada.
1582 1694
1583 config CPU_R5500 1695 config CPU_R5500
1584 bool "R5500" 1696 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1697 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1698 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1699 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1700 select CPU_SUPPORTS_HUGEPAGES
1589 help 1701 help
1590 NEC VR5500 and VR5500A series proce 1702 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1703 instruction set.
1592 1704
1593 config CPU_NEVADA 1705 config CPU_NEVADA
1594 bool "RM52xx" 1706 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1707 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1708 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1709 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1710 select CPU_SUPPORTS_HUGEPAGES
1599 help 1711 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1712 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1713
1602 config CPU_R10000 1714 config CPU_R10000
1603 bool "R10000" 1715 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1716 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1717 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1718 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1719 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1720 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1721 select CPU_SUPPORTS_HUGEPAGES
1610 help 1722 help
1611 MIPS Technologies R10000-series pro 1723 MIPS Technologies R10000-series processors.
1612 1724
1613 config CPU_RM7000 1725 config CPU_RM7000
1614 bool "RM7000" 1726 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1727 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1728 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1729 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1730 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1731 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1732 select CPU_SUPPORTS_HUGEPAGES
1621 1733
1622 config CPU_SB1 1734 config CPU_SB1
1623 bool "SB1" 1735 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1736 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1737 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1738 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1739 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1740 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1741 select WEAK_ORDERING
1630 1742
1631 config CPU_CAVIUM_OCTEON 1743 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1744 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1745 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1746 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1747 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 1748 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1749 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1750 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1751 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1752 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1753 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1754 select HAVE_KVM
1645 help 1755 help
1646 The Cavium Octeon processor is a hi 1756 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1757 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1758 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1759 Full details can be found at http://www.caviumnetworks.com.
1650 1760
1651 config CPU_BMIPS 1761 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1762 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1763 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1764 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1765 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1766 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1767 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1768 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1769 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1770 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1771 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1772 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1773 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1774 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1775 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1776 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1777 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1778 help
1670 Support for BMIPS32/3300/4350/4380 1779 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1780
1672 endchoice !! 1781 config CPU_XLR
1673 !! 1782 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1783 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1784 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1785 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1786 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1787 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1788 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1789 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 1790 help
1695 Loongson-3 processors have the llsc !! 1791 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 1792
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1793 config CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1794 bool "Netlogic XLP SoC"
1702 default y !! 1795 depends on SYS_HAS_CPU_XLP
1703 depends on CPU_LOONGSON64 !! 1796 select CPU_SUPPORTS_32BIT_KERNEL
>> 1797 select CPU_SUPPORTS_64BIT_KERNEL
>> 1798 select CPU_SUPPORTS_HIGHMEM
>> 1799 select WEAK_ORDERING
>> 1800 select WEAK_REORDERING_BEYOND_LLSC
>> 1801 select CPU_HAS_PREFETCH
>> 1802 select CPU_MIPSR2
>> 1803 select CPU_SUPPORTS_HUGEPAGES
>> 1804 select MIPS_ASID_BITS_VARIABLE
1704 help 1805 help
1705 Loongson-3A R4 and newer have the C !! 1806 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1807 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1808
1712 config CPU_MIPS32_3_5_FEATURES 1809 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1810 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1811 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1812 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1813 CPU_P5600
1717 help 1814 help
1718 Choose this option to build a kerne 1815 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1816 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1817 support for Enhanced Virtual Addressing (EVA).
1721 1818
1722 config CPU_MIPS32_3_5_EVA 1819 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1820 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1821 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1822 select EVA
1726 default y 1823 default y
1727 help 1824 help
1728 Choose this option if you want to e 1825 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1826 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1827 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1828 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1829
1733 config CPU_MIPS32_R5_FEATURES 1830 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1831 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1832 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1833 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1834 help
1738 Choose this option to build a kerne 1835 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1836 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1837 support for Extended Physical Addressing (XPA).
1741 1838
1742 config CPU_MIPS32_R5_XPA 1839 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1840 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1841 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1842 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1843 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1844 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1845 select XPA
1749 select HIGHMEM 1846 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1847 select PHYS_ADDR_T_64BIT
1751 default n 1848 default n
1752 help 1849 help
1753 Choose this option if you want to e 1850 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1851 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1852 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1853 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1854 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1855 If unsure, say 'N' here.
1759 1856
1760 if CPU_LOONGSON2F 1857 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1858 config CPU_NOP_WORKAROUNDS
1762 bool 1859 bool
1763 1860
1764 config CPU_JUMP_WORKAROUNDS 1861 config CPU_JUMP_WORKAROUNDS
1765 bool 1862 bool
1766 1863
1767 config CPU_LOONGSON2F_WORKAROUNDS 1864 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1865 bool "Loongson 2F Workarounds"
1769 default y 1866 default y
1770 select CPU_NOP_WORKAROUNDS 1867 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1868 select CPU_JUMP_WORKAROUNDS
1772 help 1869 help
1773 Loongson 2F01 / 2F02 processors hav 1870 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1871 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1872 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1873 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1874
1778 Loongson 2F03 and later have fixed 1875 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1876 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1877 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1878 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1879 systems.
1783 1880
1784 If unsure, please say Y. 1881 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1882 endif # CPU_LOONGSON2F
1786 1883
1787 config SYS_SUPPORTS_ZBOOT 1884 config SYS_SUPPORTS_ZBOOT
1788 bool 1885 bool
1789 select HAVE_KERNEL_GZIP 1886 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1887 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1888 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1889 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1890 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1891 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1892 select HAVE_KERNEL_ZSTD
1796 1893
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1894 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1895 bool
1799 select SYS_SUPPORTS_ZBOOT 1896 select SYS_SUPPORTS_ZBOOT
1800 1897
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1898 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1899 bool
1803 select SYS_SUPPORTS_ZBOOT 1900 select SYS_SUPPORTS_ZBOOT
1804 1901
1805 config CPU_LOONGSON2EF 1902 config CPU_LOONGSON2EF
1806 bool 1903 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1904 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1905 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1906 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1907 select CPU_SUPPORTS_HUGEPAGES
>> 1908 select ARCH_HAS_PHYS_TO_DMA
1811 1909
1812 config CPU_LOONGSON32 1910 config CPU_LOONGSON32
1813 bool 1911 bool
1814 select CPU_MIPS32 1912 select CPU_MIPS32
1815 select CPU_MIPSR2 1913 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1914 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1915 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1916 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1917 select CPU_SUPPORTS_CPUFREQ
1820 1918
1821 config CPU_BMIPS32_3300 1919 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1920 select SMP_UP if SMP
1823 bool 1921 bool
1824 1922
1825 config CPU_BMIPS4350 1923 config CPU_BMIPS4350
1826 bool 1924 bool
1827 select SYS_SUPPORTS_SMP 1925 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1926 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1927
1830 config CPU_BMIPS4380 1928 config CPU_BMIPS4380
1831 bool 1929 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1930 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1931 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1932 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1933 select CPU_HAS_RIXI
1836 1934
1837 config CPU_BMIPS5000 1935 config CPU_BMIPS5000
1838 bool 1936 bool
1839 select MIPS_CPU_SCACHE 1937 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1938 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1939 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1940 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1941 select CPU_HAS_RIXI
1844 1942
1845 config SYS_HAS_CPU_LOONGSON64 1943 config SYS_HAS_CPU_LOONGSON64
1846 bool 1944 bool
1847 select CPU_SUPPORTS_CPUFREQ 1945 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1946 select CPU_HAS_RIXI
1849 1947
1850 config SYS_HAS_CPU_LOONGSON2E 1948 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1949 bool
1852 1950
1853 config SYS_HAS_CPU_LOONGSON2F 1951 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1952 bool
1855 select CPU_SUPPORTS_CPUFREQ 1953 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1954 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1955
1858 config SYS_HAS_CPU_LOONGSON1B 1956 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1957 bool
1860 1958
1861 config SYS_HAS_CPU_LOONGSON1C 1959 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1960 bool
1863 1961
1864 config SYS_HAS_CPU_MIPS32_R1 1962 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1963 bool
1866 1964
1867 config SYS_HAS_CPU_MIPS32_R2 1965 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1966 bool
1869 1967
1870 config SYS_HAS_CPU_MIPS32_R3_5 1968 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1969 bool
1872 1970
1873 config SYS_HAS_CPU_MIPS32_R5 1971 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1972 bool
>> 1973 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 1974
1876 config SYS_HAS_CPU_MIPS32_R6 1975 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1976 bool
>> 1977 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 1978
1879 config SYS_HAS_CPU_MIPS64_R1 1979 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1980 bool
1881 1981
1882 config SYS_HAS_CPU_MIPS64_R2 1982 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1983 bool
1884 1984
1885 config SYS_HAS_CPU_MIPS64_R5 <<
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 1985 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1986 bool
>> 1987 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 1988
1891 config SYS_HAS_CPU_P5600 1989 config SYS_HAS_CPU_P5600
1892 bool 1990 bool
>> 1991 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 1992
1894 config SYS_HAS_CPU_R3000 1993 config SYS_HAS_CPU_R3000
1895 bool 1994 bool
1896 1995
1897 config SYS_HAS_CPU_R4300 !! 1996 config SYS_HAS_CPU_TX39XX
>> 1997 bool
>> 1998
>> 1999 config SYS_HAS_CPU_VR41XX
1898 bool 2000 bool
1899 2001
1900 config SYS_HAS_CPU_R4X00 2002 config SYS_HAS_CPU_R4X00
1901 bool 2003 bool
1902 2004
1903 config SYS_HAS_CPU_TX49XX 2005 config SYS_HAS_CPU_TX49XX
1904 bool 2006 bool
1905 2007
1906 config SYS_HAS_CPU_R5000 2008 config SYS_HAS_CPU_R5000
1907 bool 2009 bool
1908 2010
1909 config SYS_HAS_CPU_R5500 2011 config SYS_HAS_CPU_R5500
1910 bool 2012 bool
1911 2013
1912 config SYS_HAS_CPU_NEVADA 2014 config SYS_HAS_CPU_NEVADA
1913 bool 2015 bool
1914 2016
1915 config SYS_HAS_CPU_R10000 2017 config SYS_HAS_CPU_R10000
1916 bool 2018 bool
>> 2019 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2020
1918 config SYS_HAS_CPU_RM7000 2021 config SYS_HAS_CPU_RM7000
1919 bool 2022 bool
1920 2023
1921 config SYS_HAS_CPU_SB1 2024 config SYS_HAS_CPU_SB1
1922 bool 2025 bool
1923 2026
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2027 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2028 bool
1926 2029
1927 config SYS_HAS_CPU_BMIPS 2030 config SYS_HAS_CPU_BMIPS
1928 bool 2031 bool
1929 2032
1930 config SYS_HAS_CPU_BMIPS32_3300 2033 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2034 bool
1932 select SYS_HAS_CPU_BMIPS 2035 select SYS_HAS_CPU_BMIPS
1933 2036
1934 config SYS_HAS_CPU_BMIPS4350 2037 config SYS_HAS_CPU_BMIPS4350
1935 bool 2038 bool
1936 select SYS_HAS_CPU_BMIPS 2039 select SYS_HAS_CPU_BMIPS
1937 2040
1938 config SYS_HAS_CPU_BMIPS4380 2041 config SYS_HAS_CPU_BMIPS4380
1939 bool 2042 bool
1940 select SYS_HAS_CPU_BMIPS 2043 select SYS_HAS_CPU_BMIPS
1941 2044
1942 config SYS_HAS_CPU_BMIPS5000 2045 config SYS_HAS_CPU_BMIPS5000
1943 bool 2046 bool
1944 select SYS_HAS_CPU_BMIPS 2047 select SYS_HAS_CPU_BMIPS
>> 2048 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2049
>> 2050 config SYS_HAS_CPU_XLR
>> 2051 bool
>> 2052
>> 2053 config SYS_HAS_CPU_XLP
>> 2054 bool
1945 2055
1946 # 2056 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2057 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2058 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2059 #
1950 config WEAK_ORDERING 2060 config WEAK_ORDERING
1951 bool 2061 bool
1952 2062
1953 # 2063 #
1954 # CPU may reorder reads and writes beyond LL/ 2064 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2065 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2066 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2067 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2068 bool
1959 endmenu 2069 endmenu
1960 2070
1961 # 2071 #
1962 # These two indicate any level of the MIPS32 2072 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2073 #
1964 config CPU_MIPS32 2074 config CPU_MIPS32
1965 bool 2075 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2076 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2077 CPU_MIPS32_R6 || CPU_P5600
1968 2078
1969 config CPU_MIPS64 2079 config CPU_MIPS64
1970 bool 2080 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2081 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO !! 2082 CPU_MIPS64_R6
1973 2083
1974 # 2084 #
1975 # These indicate the revision of the architec 2085 # These indicate the revision of the architecture
1976 # 2086 #
1977 config CPU_MIPSR1 2087 config CPU_MIPSR1
1978 bool 2088 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2089 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2090
1981 config CPU_MIPSR2 2091 config CPU_MIPSR2
1982 bool 2092 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2093 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2094 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2095 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2096 select MIPS_SPRAM
1987 2097
1988 config CPU_MIPSR5 2098 config CPU_MIPSR5
1989 bool 2099 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2100 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2101 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2102 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2103 select MIPS_SPRAM
1994 2104
1995 config CPU_MIPSR6 2105 config CPU_MIPSR6
1996 bool 2106 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2107 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2108 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2109 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2110 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2111 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2112 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2113 select MIPS_SPRAM
2004 2114
2005 config TARGET_ISA_REV 2115 config TARGET_ISA_REV
2006 int 2116 int
2007 default 1 if CPU_MIPSR1 2117 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2118 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2119 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2120 default 6 if CPU_MIPSR6
2011 default 0 2121 default 0
2012 help 2122 help
2013 Reflects the ISA revision being tar 2123 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2124 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2125
2016 config EVA 2126 config EVA
2017 bool 2127 bool
2018 2128
2019 config XPA 2129 config XPA
2020 bool 2130 bool
2021 2131
2022 config SYS_SUPPORTS_32BIT_KERNEL 2132 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2133 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2134 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2135 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2136 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2137 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2138 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2139 bool
2030 config CPU_SUPPORTS_CPUFREQ 2140 config CPU_SUPPORTS_CPUFREQ
2031 bool 2141 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2142 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2143 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2144 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2145 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2146 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2147 config MIPS_PGD_C0_CONTEXT
2040 bool 2148 bool
2041 depends on 64BIT !! 2149 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2150
2044 # 2151 #
2045 # Set to y for ptrace access to watch registe 2152 # Set to y for ptrace access to watch registers.
2046 # 2153 #
2047 config HARDWARE_WATCHPOINTS 2154 config HARDWARE_WATCHPOINTS
2048 bool 2155 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2156 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2157
2051 menu "Kernel type" 2158 menu "Kernel type"
2052 2159
2053 choice 2160 choice
2054 prompt "Kernel code model" 2161 prompt "Kernel code model"
2055 help 2162 help
2056 You should only select this option 2163 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2164 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2165 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2166 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2167
2061 config 32BIT 2168 config 32BIT
2062 bool "32-bit kernel" 2169 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2170 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2171 select TRAD_SIGNALS
2065 help 2172 help
2066 Select this option if you want to b 2173 Select this option if you want to build a 32-bit kernel.
2067 2174
2068 config 64BIT 2175 config 64BIT
2069 bool "64-bit kernel" 2176 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2177 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2178 help
2072 Select this option if you want to b 2179 Select this option if you want to build a 64-bit kernel.
2073 2180
2074 endchoice 2181 endchoice
2075 2182
>> 2183 config KVM_GUEST
>> 2184 bool "KVM Guest Kernel"
>> 2185 depends on CPU_MIPS32_R2
>> 2186 depends on BROKEN_ON_SMP
>> 2187 help
>> 2188 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2189 mode.
>> 2190
>> 2191 config KVM_GUEST_TIMER_FREQ
>> 2192 int "Count/Compare Timer Frequency (MHz)"
>> 2193 depends on KVM_GUEST
>> 2194 default 100
>> 2195 help
>> 2196 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2197 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2198 timer frequency is specified directly.
>> 2199
2076 config MIPS_VA_BITS_48 2200 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2201 bool "48 bits virtual memory"
2078 depends on 64BIT 2202 depends on 64BIT
2079 help 2203 help
2080 Support a maximum at least 48 bits 2204 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2205 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2206 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2207 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2208 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2209 overhead as well as slower TLB fault handling.
2086 2210
2087 If unsure, say N. 2211 If unsure, say N.
2088 2212
2089 config ZBOOT_LOAD_ADDRESS !! 2213 choice
2090 hex "Compressed kernel load address" !! 2214 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2215 default PAGE_SIZE_4KB
2092 default 0x0 !! 2216
2093 depends on SYS_SUPPORTS_ZBOOT !! 2217 config PAGE_SIZE_4KB
2094 help !! 2218 bool "4kB"
2095 The address to load compressed kern !! 2219 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2220 help
>> 2221 This option select the standard 4kB Linux page size. On some
>> 2222 R3000-family processors this is the only available page size. Using
>> 2223 4kB page size will minimize memory consumption and is therefore
>> 2224 recommended for low memory systems.
>> 2225
>> 2226 config PAGE_SIZE_8KB
>> 2227 bool "8kB"
>> 2228 depends on CPU_CAVIUM_OCTEON
>> 2229 depends on !MIPS_VA_BITS_48
>> 2230 help
>> 2231 Using 8kB page size will result in higher performance kernel at
>> 2232 the price of higher memory consumption. This option is available
>> 2233 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2234 distribution to support this.
>> 2235
>> 2236 config PAGE_SIZE_16KB
>> 2237 bool "16kB"
>> 2238 depends on !CPU_R3000 && !CPU_TX39XX
>> 2239 help
>> 2240 Using 16kB page size will result in higher performance kernel at
>> 2241 the price of higher memory consumption. This option is available on
>> 2242 all non-R3000 family processors. Note that you will need a suitable
>> 2243 Linux distribution to support this.
>> 2244
>> 2245 config PAGE_SIZE_32KB
>> 2246 bool "32kB"
>> 2247 depends on CPU_CAVIUM_OCTEON
>> 2248 depends on !MIPS_VA_BITS_48
>> 2249 help
>> 2250 Using 32kB page size will result in higher performance kernel at
>> 2251 the price of higher memory consumption. This option is available
>> 2252 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2253 distribution to support this.
>> 2254
>> 2255 config PAGE_SIZE_64KB
>> 2256 bool "64kB"
>> 2257 depends on !CPU_R3000 && !CPU_TX39XX
>> 2258 help
>> 2259 Using 64kB page size will result in higher performance kernel at
>> 2260 the price of higher memory consumption. This option is available on
>> 2261 all non-R3000 family processor. Not that at the time of this
>> 2262 writing this option is still high experimental.
2096 2263
2097 This is only used if non-zero. !! 2264 endchoice
2098 2265
2099 config ARCH_FORCE_MAX_ORDER !! 2266 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2267 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2268 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2269 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2270 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2271 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2272 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2273 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2274 range 0 64
>> 2275 default "11"
2105 help 2276 help
2106 The kernel memory allocator divides 2277 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2278 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2279 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2280 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2281 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2282 increase this value.
2112 2283
>> 2284 This config option is actually maximum order plus one. For example,
>> 2285 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2286
2113 The page size is not necessarily 4K 2287 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2288 when choosing a value for this option.
2115 2289
2116 config BOARD_SCACHE 2290 config BOARD_SCACHE
2117 bool 2291 bool
2118 2292
2119 config IP22_CPU_SCACHE 2293 config IP22_CPU_SCACHE
2120 bool 2294 bool
2121 select BOARD_SCACHE 2295 select BOARD_SCACHE
2122 2296
2123 # 2297 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2298 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2299 #
2126 config MIPS_CPU_SCACHE 2300 config MIPS_CPU_SCACHE
2127 bool 2301 bool
2128 select BOARD_SCACHE 2302 select BOARD_SCACHE
2129 2303
2130 config R5000_CPU_SCACHE 2304 config R5000_CPU_SCACHE
2131 bool 2305 bool
2132 select BOARD_SCACHE 2306 select BOARD_SCACHE
2133 2307
2134 config RM7000_CPU_SCACHE 2308 config RM7000_CPU_SCACHE
2135 bool 2309 bool
2136 select BOARD_SCACHE 2310 select BOARD_SCACHE
2137 2311
2138 config SIBYTE_DMA_PAGEOPS 2312 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2313 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2314 depends on CPU_SB1
2141 help 2315 help
2142 Instead of using the CPU to zero an 2316 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2317 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2318 SiByte Linux port. Seems to give a small performance benefit.
2145 2319
2146 config CPU_HAS_PREFETCH 2320 config CPU_HAS_PREFETCH
2147 bool 2321 bool
2148 2322
2149 config CPU_GENERIC_DUMP_TLB 2323 config CPU_GENERIC_DUMP_TLB
2150 bool 2324 bool
2151 default y if !CPU_R3000 !! 2325 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2326
2153 config MIPS_FP_SUPPORT 2327 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2328 bool "Floating Point support" if EXPERT
2155 default y 2329 default y
2156 help 2330 help
2157 Select y to include support for flo 2331 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2332 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2333 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2334 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2335 receive a SIGILL.
2162 2336
2163 If you know that your userland will 2337 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2338 instructions then you can say n here to shrink the kernel a little.
2165 2339
2166 If unsure, say y. 2340 If unsure, say y.
2167 2341
2168 config CPU_R2300_FPU 2342 config CPU_R2300_FPU
2169 bool 2343 bool
2170 depends on MIPS_FP_SUPPORT 2344 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2345 default y if CPU_R3000 || CPU_TX39XX
2172 2346
2173 config CPU_R3K_TLB 2347 config CPU_R3K_TLB
2174 bool 2348 bool
2175 2349
2176 config CPU_R4K_FPU 2350 config CPU_R4K_FPU
2177 bool 2351 bool
2178 depends on MIPS_FP_SUPPORT 2352 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2353 default y if !CPU_R2300_FPU
2180 2354
2181 config CPU_R4K_CACHE_TLB 2355 config CPU_R4K_CACHE_TLB
2182 bool 2356 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2357 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2358
2185 config MIPS_MT_SMP 2359 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2360 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2361 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2362 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2363 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2364 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2365 select SYNC_R4K
2193 select MIPS_MT 2366 select MIPS_MT
2194 select SMP 2367 select SMP
2195 select SMP_UP 2368 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2369 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2370 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2371 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2372 help
2200 This is a kernel model which is kno 2373 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2374 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2375 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2376 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2377 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2378
2206 config MIPS_MT 2379 config MIPS_MT
2207 bool 2380 bool
2208 2381
2209 config SCHED_SMT 2382 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2383 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2384 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2385 default n
2213 help 2386 help
2214 SMT scheduler support improves the 2387 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2388 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2389 increased overhead in some places. If unsure say N here.
2217 2390
2218 config SYS_SUPPORTS_SCHED_SMT 2391 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2392 bool
2220 2393
2221 config SYS_SUPPORTS_MULTITHREADING 2394 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2395 bool
2223 2396
2224 config MIPS_MT_FPAFF 2397 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2398 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2399 default y
2227 depends on MIPS_MT_SMP 2400 depends on MIPS_MT_SMP
2228 2401
2229 config MIPSR2_TO_R6_EMULATOR 2402 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2403 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2404 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2405 depends on MIPS_FP_SUPPORT
2233 default y 2406 default y
2234 help 2407 help
2235 Choose this option if you want to r 2408 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2409 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2410 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2411 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2412 final kernel image.
2240 2413
2241 config SYS_SUPPORTS_VPE_LOADER 2414 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2415 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2416 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2417 help
2245 Indicates that the platform support 2418 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2419 physical_memsize.
2247 2420
2248 config MIPS_VPE_LOADER 2421 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2422 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2423 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2424 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2425 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2426 select MIPS_MT
2254 help 2427 help
2255 Includes a loader for loading an el 2428 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2429 onto another VPE and running it.
2257 2430
>> 2431 config MIPS_VPE_LOADER_CMP
>> 2432 bool
>> 2433 default "y"
>> 2434 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2435
2258 config MIPS_VPE_LOADER_MT 2436 config MIPS_VPE_LOADER_MT
2259 bool 2437 bool
2260 default "y" 2438 default "y"
2261 depends on MIPS_VPE_LOADER !! 2439 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2440
2263 config MIPS_VPE_LOADER_TOM 2441 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2442 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2443 depends on MIPS_VPE_LOADER
2266 default y 2444 default y
2267 help 2445 help
2268 The loader can use memory that is p 2446 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2447 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2448 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2449 program requires is less or equal to the amount physically present.
2272 2450
2273 config MIPS_VPE_APSP_API 2451 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2452 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2453 depends on MIPS_VPE_LOADER
2276 2454
>> 2455 config MIPS_VPE_APSP_API_CMP
>> 2456 bool
>> 2457 default "y"
>> 2458 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2459
2277 config MIPS_VPE_APSP_API_MT 2460 config MIPS_VPE_APSP_API_MT
2278 bool 2461 bool
2279 default "y" 2462 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2463 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2464
>> 2465 config MIPS_CMP
>> 2466 bool "MIPS CMP framework support (DEPRECATED)"
>> 2467 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2468 select SMP
>> 2469 select SYNC_R4K
>> 2470 select SYS_SUPPORTS_SMP
>> 2471 select WEAK_ORDERING
>> 2472 default n
>> 2473 help
>> 2474 Select this if you are using a bootloader which implements the "CMP
>> 2475 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2476 its ability to start secondary CPUs.
>> 2477
>> 2478 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2479 instead of this.
2281 2480
2282 config MIPS_CPS 2481 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2482 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2483 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2484 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2485 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2486 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2487 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2488 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2489 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2490 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2491 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2492 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2493 help
2296 Select this if you wish to run an S 2494 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2495 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2496 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2497 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2498 support is unavailable.
2301 2499
2302 config MIPS_CPS_PM 2500 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2501 depends on MIPS_CPS
2304 bool 2502 bool
2305 2503
2306 config MIPS_CM 2504 config MIPS_CM
2307 bool 2505 bool
2308 select MIPS_CPC 2506 select MIPS_CPC
2309 2507
2310 config MIPS_CPC 2508 config MIPS_CPC
2311 bool 2509 bool
2312 2510
2313 config SB1_PASS_2_WORKAROUNDS 2511 config SB1_PASS_2_WORKAROUNDS
2314 bool 2512 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2513 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2514 default y
2317 2515
2318 config SB1_PASS_2_1_WORKAROUNDS 2516 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2517 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2518 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2519 default y
2322 2520
2323 choice 2521 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2522 prompt "SmartMIPS or microMIPS ASE support"
2325 2523
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2524 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2525 bool "None"
2328 help 2526 help
2329 Select this if you want neither mic 2527 Select this if you want neither microMIPS nor SmartMIPS support
2330 2528
2331 config CPU_HAS_SMARTMIPS 2529 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2530 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2531 bool "SmartMIPS"
2334 help 2532 help
2335 SmartMIPS is a extension of the MIP 2533 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2534 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2535 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2536 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2537 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2538 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2539 here.
2342 2540
2343 config CPU_MICROMIPS 2541 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2542 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2543 bool "microMIPS"
2346 help 2544 help
2347 When this option is enabled the ker 2545 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2546 microMIPS ISA
2349 2547
2350 endchoice 2548 endchoice
2351 2549
2352 config CPU_HAS_MSA 2550 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2551 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2552 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2553 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2554 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2555 help
2358 MIPS SIMD Architecture (MSA) introd 2556 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2557 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2558 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2559 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2560 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2561 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2562 the size & complexity of your kernel.
2365 2563
2366 If unsure, say Y. 2564 If unsure, say Y.
2367 2565
2368 config CPU_HAS_WB 2566 config CPU_HAS_WB
2369 bool 2567 bool
2370 2568
2371 config XKS01 2569 config XKS01
2372 bool 2570 bool
2373 2571
2374 config CPU_HAS_DIEI 2572 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2573 depends on !CPU_DIEI_BROKEN
2376 bool 2574 bool
2377 2575
2378 config CPU_DIEI_BROKEN 2576 config CPU_DIEI_BROKEN
2379 bool 2577 bool
2380 2578
2381 config CPU_HAS_RIXI 2579 config CPU_HAS_RIXI
2382 bool 2580 bool
2383 2581
2384 config CPU_NO_LOAD_STORE_LR 2582 config CPU_NO_LOAD_STORE_LR
2385 bool 2583 bool
2386 help 2584 help
2387 CPU lacks support for unaligned loa 2585 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2586 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2587 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2588 systems).
2391 2589
2392 # 2590 #
2393 # Vectored interrupt mode is an R2 feature 2591 # Vectored interrupt mode is an R2 feature
2394 # 2592 #
2395 config CPU_MIPSR2_IRQ_VI 2593 config CPU_MIPSR2_IRQ_VI
2396 bool 2594 bool
2397 2595
2398 # 2596 #
2399 # Extended interrupt mode is an R2 feature 2597 # Extended interrupt mode is an R2 feature
2400 # 2598 #
2401 config CPU_MIPSR2_IRQ_EI 2599 config CPU_MIPSR2_IRQ_EI
2402 bool 2600 bool
2403 2601
2404 config CPU_HAS_SYNC 2602 config CPU_HAS_SYNC
2405 bool 2603 bool
2406 depends on !CPU_R3000 2604 depends on !CPU_R3000
2407 default y 2605 default y
2408 2606
2409 # 2607 #
2410 # CPU non-features 2608 # CPU non-features
2411 # 2609 #
2412 <<
2413 # Work around the "daddi" and "daddiu" CPU er <<
2414 # <<
2415 # - The `daddi' instruction fails to trap on <<
2416 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2417 # erratum #23 <<
2418 # <<
2419 # - The `daddiu' instruction can produce an i <<
2420 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2421 # erratum #41 <<
2422 # "MIPS R4000MC Errata, Processor Revision <<
2423 # #15 <<
2424 # "MIPS R4400PC/SC Errata, Processor Revisi <<
2425 # "MIPS R4400MC Errata, Processor Revision <<
2426 config CPU_DADDI_WORKAROUNDS 2610 config CPU_DADDI_WORKAROUNDS
2427 bool 2611 bool
2428 2612
2429 # Work around certain R4000 CPU errata (as im <<
2430 # <<
2431 # - A double-word or a variable shift may giv <<
2432 # if executed immediately after starting an <<
2433 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2434 # erratum #28 <<
2435 # "MIPS R4000MC Errata, Processor Revision <<
2436 # #19 <<
2437 # <<
2438 # - A double-word or a variable shift may giv <<
2439 # if executed while an integer multiplicati <<
2440 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2441 # errata #16 & #28 <<
2442 # <<
2443 # - An integer division may give an incorrect <<
2444 # a delay slot of a taken branch or a jump: <<
2445 # "MIPS R4000PC/SC Errata, Processor Revisi <<
2446 # erratum #52 <<
2447 config CPU_R4000_WORKAROUNDS 2613 config CPU_R4000_WORKAROUNDS
2448 bool 2614 bool
2449 select CPU_R4400_WORKAROUNDS 2615 select CPU_R4400_WORKAROUNDS
2450 2616
2451 # Work around certain R4400 CPU errata (as im <<
2452 # <<
2453 # - A double-word or a variable shift may giv <<
2454 # if executed immediately after starting an <<
2455 # "MIPS R4400MC Errata, Processor Revision <<
2456 # "MIPS R4400MC Errata, Processor Revision <<
2457 config CPU_R4400_WORKAROUNDS 2617 config CPU_R4400_WORKAROUNDS
2458 bool 2618 bool
2459 2619
2460 config CPU_R4X00_BUGS64 2620 config CPU_R4X00_BUGS64
2461 bool 2621 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2622 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2623
2464 config MIPS_ASID_SHIFT 2624 config MIPS_ASID_SHIFT
2465 int 2625 int
2466 default 6 if CPU_R3000 !! 2626 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2627 default 0
2468 2628
2469 config MIPS_ASID_BITS 2629 config MIPS_ASID_BITS
2470 int 2630 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2631 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2632 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2633 default 8
2474 2634
2475 config MIPS_ASID_BITS_VARIABLE 2635 config MIPS_ASID_BITS_VARIABLE
2476 bool 2636 bool
2477 2637
2478 config MIPS_CRC_SUPPORT 2638 config MIPS_CRC_SUPPORT
2479 bool 2639 bool
2480 2640
2481 # R4600 erratum. Due to the lack of errata i 2641 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2642 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2643 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2644 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2645 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2646 bool
2487 2647
2488 # Pleasures of the R4600 V1.x. Cite from the 2648 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2649 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2650 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2651 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2652 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2653 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2654 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2655 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2656 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2657 # four instructions that are not any kind of load or store
2498 # instruction. 2658 # instruction.
2499 # 2659 #
2500 # This is not allowed: lw 2660 # This is not allowed: lw
2501 # nop 2661 # nop
2502 # nop 2662 # nop
2503 # nop 2663 # nop
2504 # cache Hi 2664 # cache Hit_Writeback_Invalidate_D
2505 # 2665 #
2506 # This is allowed: lw 2666 # This is allowed: lw
2507 # nop 2667 # nop
2508 # nop 2668 # nop
2509 # nop 2669 # nop
2510 # nop 2670 # nop
2511 # cache Hi 2671 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2672 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2673 bool
2514 2674
2515 # Writeback and invalidate the primary cache 2675 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2676 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2677 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2678 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2679 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2680 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2681 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2682 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2683 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2684 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2685 bool
2526 2686
2527 # From TX49/H2 manual: "If the instruction (i 2687 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2688 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2689 # operation is not guaranteed."
2530 # 2690 #
2531 # Workaround: do two phase flushing for Index 2691 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2692 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2693 bool
2534 2694
2535 # The RM7000 processors and the E9000 cores h 2695 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2696 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2697 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2698 # exceptions.
2539 config WAR_ICACHE_REFILLS 2699 config WAR_ICACHE_REFILLS
2540 bool 2700 bool
2541 2701
2542 # On the R10000 up to version 2.6 (not sure a 2702 # 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 2703 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2704 config WAR_R10000_LLSC
2545 bool 2705 bool
2546 2706
2547 # 34K core erratum: "Problems Executing the T 2707 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2708 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2709 bool
2550 2710
2551 # 2711 #
2552 # - Highmem only makes sense for the 32-bit k 2712 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2713 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2714 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2715 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2716 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2717 # 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 2718 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2719 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2720 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2721 # know they might have memory configurations that could make use of highmem
2562 # support. 2722 # support.
2563 # 2723 #
2564 config HIGHMEM 2724 config HIGHMEM
2565 bool "High Memory Support" 2725 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2726 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2727 select KMAP_LOCAL
2568 2728
2569 config CPU_SUPPORTS_HIGHMEM 2729 config CPU_SUPPORTS_HIGHMEM
2570 bool 2730 bool
2571 2731
2572 config SYS_SUPPORTS_HIGHMEM 2732 config SYS_SUPPORTS_HIGHMEM
2573 bool 2733 bool
2574 2734
2575 config SYS_SUPPORTS_SMARTMIPS 2735 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2736 bool
2577 2737
2578 config SYS_SUPPORTS_MICROMIPS 2738 config SYS_SUPPORTS_MICROMIPS
2579 bool 2739 bool
2580 2740
2581 config SYS_SUPPORTS_MIPS16 2741 config SYS_SUPPORTS_MIPS16
2582 bool 2742 bool
2583 help 2743 help
2584 This option must be set if a kernel 2744 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2745 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2746 words, it makes the kernel MIPS16-tolerant.
2587 2747
2588 config CPU_SUPPORTS_MSA 2748 config CPU_SUPPORTS_MSA
2589 bool 2749 bool
2590 2750
2591 config ARCH_FLATMEM_ENABLE 2751 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2752 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2753 depends on !NUMA && !CPU_LOONGSON2EF
2594 2754
2595 config ARCH_SPARSEMEM_ENABLE 2755 config ARCH_SPARSEMEM_ENABLE
2596 bool 2756 bool
>> 2757 select SPARSEMEM_STATIC if !SGI_IP27
2597 2758
2598 config NUMA 2759 config NUMA
2599 bool "NUMA Support" 2760 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2761 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 2762 help
2605 Say Y to compile the kernel to supp 2763 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2764 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2765 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2766 leave it disabled; on single node systems leave this option
2609 disabled. 2767 disabled.
2610 2768
2611 config SYS_SUPPORTS_NUMA 2769 config SYS_SUPPORTS_NUMA
2612 bool 2770 bool
2613 2771
>> 2772 config HAVE_SETUP_PER_CPU_AREA
>> 2773 def_bool y
>> 2774 depends on NUMA
>> 2775
>> 2776 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2777 def_bool y
>> 2778 depends on NUMA
>> 2779
2614 config RELOCATABLE 2780 config RELOCATABLE
2615 bool "Relocatable kernel" 2781 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2782 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2783 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2784 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2785 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2786 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2787 CPU_LOONGSON64
2622 help 2788 help
2623 This builds a kernel image that ret 2789 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2790 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2791 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2792 but are discarded at runtime
2627 2793
2628 config RELOCATION_TABLE_SIZE 2794 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2795 hex "Relocation table size"
2630 depends on RELOCATABLE 2796 depends on RELOCATABLE
2631 range 0x0 0x01000000 2797 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2798 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2799 default "0x00100000"
2634 help 2800 help
2635 A table of relocation data will be 2801 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2802 and parsed at boot to fix up the relocated kernel.
2637 2803
2638 This option allows the amount of sp 2804 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2805 adjusted, although the default of 1Mb should be ok in most cases.
2640 2806
2641 The build will fail and a valid siz 2807 The build will fail and a valid size suggested if this is too small.
2642 2808
2643 If unsure, leave at the default val 2809 If unsure, leave at the default value.
2644 2810
2645 config RANDOMIZE_BASE 2811 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2812 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2813 depends on RELOCATABLE
2648 help 2814 help
2649 Randomizes the physical and virtual 2815 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2816 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2817 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2818 of kernel internals.
2653 2819
2654 Entropy is generated using any copr 2820 Entropy is generated using any coprocessor 0 registers available.
2655 2821
2656 The kernel will be offset by up to 2822 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2823
2658 If unsure, say N. 2824 If unsure, say N.
2659 2825
2660 config RANDOMIZE_BASE_MAX_OFFSET 2826 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2827 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2828 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2829 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2830 range 0x0 0x08000000
2665 default "0x01000000" 2831 default "0x01000000"
2666 help 2832 help
2667 When kASLR is active, this provides 2833 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2834 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2835 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2836 PHYSICAL_START and must be a power of 2.
2671 2837
2672 This is limited by the size of KSEG 2838 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2839 EVA or 64-bit. The default is 16Mb.
2674 2840
2675 config NODES_SHIFT 2841 config NODES_SHIFT
2676 int 2842 int
2677 default "6" 2843 default "6"
2678 depends on NUMA !! 2844 depends on NEED_MULTIPLE_NODES
2679 2845
2680 config HW_PERF_EVENTS 2846 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2847 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2848 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2849 default y
2684 help 2850 help
2685 Enable hardware performance counter 2851 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2852 disabled, perf events will use software events only.
2687 2853
2688 config DMI 2854 config DMI
2689 bool "Enable DMI scanning" 2855 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2856 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2857 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2858 default y
2693 help 2859 help
2694 Enabled scanning of DMI to identify 2860 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2861 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2862 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2863 BIOS code.
2698 2864
2699 config SMP 2865 config SMP
2700 bool "Multi-Processing support" 2866 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2867 depends on SYS_SUPPORTS_SMP
2702 help 2868 help
2703 This enables support for systems wi 2869 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2870 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2871 than one CPU, say Y.
2706 2872
2707 If you say N here, the kernel will 2873 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2874 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2875 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2876 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2877 will run faster if you say N here.
2712 2878
2713 People using multiprocessor machine 2879 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2880 Y to "Enhanced Real Time Clock Support", below.
2715 2881
2716 See also the SMP-HOWTO available at 2882 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2883 <https://www.tldp.org/docs.html#howto>.
2718 2884
2719 If you don't know what to do here, 2885 If you don't know what to do here, say N.
2720 2886
2721 config HOTPLUG_CPU 2887 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2888 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2889 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2890 help
2725 Say Y here to allow turning CPUs of 2891 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2892 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2893 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2894 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2895 Say N if you want to disable CPU hotplug.
2730 2896
2731 config SMP_UP 2897 config SMP_UP
2732 bool 2898 bool
2733 2899
>> 2900 config SYS_SUPPORTS_MIPS_CMP
>> 2901 bool
>> 2902
2734 config SYS_SUPPORTS_MIPS_CPS 2903 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2904 bool
2736 2905
2737 config SYS_SUPPORTS_SMP 2906 config SYS_SUPPORTS_SMP
2738 bool 2907 bool
2739 2908
2740 config NR_CPUS_DEFAULT_4 2909 config NR_CPUS_DEFAULT_4
2741 bool 2910 bool
2742 2911
2743 config NR_CPUS_DEFAULT_8 2912 config NR_CPUS_DEFAULT_8
2744 bool 2913 bool
2745 2914
2746 config NR_CPUS_DEFAULT_16 2915 config NR_CPUS_DEFAULT_16
2747 bool 2916 bool
2748 2917
2749 config NR_CPUS_DEFAULT_32 2918 config NR_CPUS_DEFAULT_32
2750 bool 2919 bool
2751 2920
2752 config NR_CPUS_DEFAULT_64 2921 config NR_CPUS_DEFAULT_64
2753 bool 2922 bool
2754 2923
2755 config NR_CPUS 2924 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2925 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2926 range 2 256
2758 depends on SMP 2927 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2928 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2929 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2930 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2931 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2932 default "64" if NR_CPUS_DEFAULT_64
2764 help 2933 help
2765 This allows you to specify the maxi 2934 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2935 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2936 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2937 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2938 and 2 for all others.
2770 2939
2771 This is purely to save memory - eac 2940 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2941 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2942 performance should round up your number of processors to the next
2774 power of two. 2943 power of two.
2775 2944
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2945 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2946 bool
2778 2947
2779 config MIPS_NR_CPU_NR_MAP_1024 2948 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2949 bool
2781 2950
2782 config MIPS_NR_CPU_NR_MAP 2951 config MIPS_NR_CPU_NR_MAP
2783 int 2952 int
2784 depends on SMP 2953 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2954 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2955 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2956
2788 # 2957 #
2789 # Timer Interrupt Frequency Configuration 2958 # Timer Interrupt Frequency Configuration
2790 # 2959 #
2791 2960
2792 choice 2961 choice
2793 prompt "Timer frequency" 2962 prompt "Timer frequency"
2794 default HZ_250 2963 default HZ_250
2795 help 2964 help
2796 Allows the configuration of the tim 2965 Allows the configuration of the timer frequency.
2797 2966
2798 config HZ_24 2967 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2968 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2969
2801 config HZ_48 2970 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2971 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2972
2804 config HZ_100 2973 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2974 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2975
2807 config HZ_128 2976 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2977 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2978
2810 config HZ_250 2979 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2980 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2981
2813 config HZ_256 2982 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2983 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2984
2816 config HZ_1000 2985 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2986 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2987
2819 config HZ_1024 2988 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2989 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2990
2822 endchoice 2991 endchoice
2823 2992
2824 config SYS_SUPPORTS_24HZ 2993 config SYS_SUPPORTS_24HZ
2825 bool 2994 bool
2826 2995
2827 config SYS_SUPPORTS_48HZ 2996 config SYS_SUPPORTS_48HZ
2828 bool 2997 bool
2829 2998
2830 config SYS_SUPPORTS_100HZ 2999 config SYS_SUPPORTS_100HZ
2831 bool 3000 bool
2832 3001
2833 config SYS_SUPPORTS_128HZ 3002 config SYS_SUPPORTS_128HZ
2834 bool 3003 bool
2835 3004
2836 config SYS_SUPPORTS_250HZ 3005 config SYS_SUPPORTS_250HZ
2837 bool 3006 bool
2838 3007
2839 config SYS_SUPPORTS_256HZ 3008 config SYS_SUPPORTS_256HZ
2840 bool 3009 bool
2841 3010
2842 config SYS_SUPPORTS_1000HZ 3011 config SYS_SUPPORTS_1000HZ
2843 bool 3012 bool
2844 3013
2845 config SYS_SUPPORTS_1024HZ 3014 config SYS_SUPPORTS_1024HZ
2846 bool 3015 bool
2847 3016
2848 config SYS_SUPPORTS_ARBIT_HZ 3017 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 3018 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 3019 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 3020 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 3021 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 3022 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 3023 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 3024 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 3025 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 3026 !SYS_SUPPORTS_1024HZ
2858 3027
2859 config HZ 3028 config HZ
2860 int 3029 int
2861 default 24 if HZ_24 3030 default 24 if HZ_24
2862 default 48 if HZ_48 3031 default 48 if HZ_48
2863 default 100 if HZ_100 3032 default 100 if HZ_100
2864 default 128 if HZ_128 3033 default 128 if HZ_128
2865 default 250 if HZ_250 3034 default 250 if HZ_250
2866 default 256 if HZ_256 3035 default 256 if HZ_256
2867 default 1000 if HZ_1000 3036 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 3037 default 1024 if HZ_1024
2869 3038
2870 config SCHED_HRTICK 3039 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 3040 def_bool HIGH_RES_TIMERS
2872 3041
2873 config ARCH_SUPPORTS_KEXEC !! 3042 config KEXEC
2874 def_bool y !! 3043 bool "Kexec system call"
2875 !! 3044 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 3045 help
2877 def_bool y !! 3046 kexec is a system call that implements the ability to shutdown your
>> 3047 current kernel, and to start another kernel. It is like a reboot
>> 3048 but it is independent of the system firmware. And like a reboot
>> 3049 you can start any kernel with it, not just Linux.
>> 3050
>> 3051 The name comes from the similarity to the exec system call.
>> 3052
>> 3053 It is an ongoing process to be certain the hardware in a machine
>> 3054 is properly shutdown, so do not be surprised if this code does not
>> 3055 initially work for you. As of this writing the exact hardware
>> 3056 interface is strongly in flux, so no good recommendation can be
>> 3057 made.
>> 3058
>> 3059 config CRASH_DUMP
>> 3060 bool "Kernel crash dumps"
>> 3061 help
>> 3062 Generate crash dump after being started by kexec.
>> 3063 This should be normally only set in special crash dump kernels
>> 3064 which are loaded in the main kernel with kexec-tools into
>> 3065 a specially reserved region and then later executed after
>> 3066 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3067 to a memory address not used by the main kernel or firmware using
>> 3068 PHYSICAL_START.
2878 3069
2879 config PHYSICAL_START 3070 config PHYSICAL_START
2880 hex "Physical address where the kerne 3071 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3072 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3073 depends on CRASH_DUMP
2883 help 3074 help
2884 This gives the CKSEG0 or KSEG0 addr 3075 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3076 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3077 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3078 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3079 passed to the panic-ed kernel).
2889 3080
2890 config MIPS_O32_FP64_SUPPORT 3081 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3082 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3083 depends on 32BIT || MIPS32_O32
2893 help 3084 help
2894 When this is enabled, the kernel wi 3085 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3086 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3087 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3088 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3089 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3090 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3091 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3092 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3093 saying N here.
2903 3094
2904 Although binutils currently support 3095 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3096 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3097 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3098 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3099 be considered experimental and only enabled by those working upon
2909 said details. 3100 said details.
2910 3101
2911 If unsure, say N. 3102 If unsure, say N.
2912 3103
2913 config USE_OF 3104 config USE_OF
2914 bool 3105 bool
2915 select OF 3106 select OF
2916 select OF_EARLY_FLATTREE 3107 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3108 select IRQ_DOMAIN
2918 3109
2919 config UHI_BOOT 3110 config UHI_BOOT
2920 bool 3111 bool
2921 3112
2922 config BUILTIN_DTB 3113 config BUILTIN_DTB
2923 bool 3114 bool
2924 3115
2925 choice 3116 choice
2926 prompt "Kernel appended dtb support" !! 3117 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3118 default MIPS_NO_APPENDED_DTB
2929 3119
2930 config MIPS_NO_APPENDED_DTB 3120 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3121 bool "None"
2932 help 3122 help
2933 Do not enable appended dtb 3123 Do not enable appended dtb support.
2934 3124
2935 config MIPS_ELF_APPENDED_DTB 3125 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3126 bool "vmlinux"
2937 help 3127 help
2938 With this option, the boot 3128 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3129 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3130 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3131 objcopy:
2942 3132
2943 objcopy --update-section 3133 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3134
2945 This is meant as a backward 3135 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3136 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3137 the documented boot protocol using a device tree.
2948 3138
2949 config MIPS_RAW_APPENDED_DTB 3139 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3140 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3141 help
2952 With this option, the boot 3142 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3143 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3144 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3145
2956 This is meant as a backward 3146 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3147 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3148 the documented boot protocol using a device tree.
2959 3149
2960 Beware that there is very l 3150 Beware that there is very little in terms of protection against
2961 this option being confused 3151 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3152 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3153 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3154 if you don't intend to always append a DTB.
2965 endchoice 3155 endchoice
2966 3156
2967 choice 3157 choice
2968 prompt "Kernel command line type" !! 3158 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3159 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3160 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3161 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3162 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3163
2975 config MIPS_CMDLINE_FROM_DTB 3164 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3165 depends on USE_OF
2977 bool "Dtb kernel arguments if 3166 bool "Dtb kernel arguments if available"
2978 3167
2979 config MIPS_CMDLINE_DTB_EXTEND 3168 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3169 depends on USE_OF
2981 bool "Extend dtb kernel argum 3170 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3171
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3172 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3173 bool "Bootloader kernel arguments if available"
2985 3174
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3175 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3176 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3177 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3178 endchoice
2990 3179
2991 endmenu 3180 endmenu
2992 3181
2993 config LOCKDEP_SUPPORT 3182 config LOCKDEP_SUPPORT
2994 bool 3183 bool
2995 default y 3184 default y
2996 3185
2997 config STACKTRACE_SUPPORT 3186 config STACKTRACE_SUPPORT
2998 bool 3187 bool
2999 default y 3188 default y
3000 3189
3001 config PGTABLE_LEVELS 3190 config PGTABLE_LEVELS
3002 int 3191 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3192 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3193 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3194 default 2
3006 3195
3007 config MIPS_AUTO_PFN_OFFSET 3196 config MIPS_AUTO_PFN_OFFSET
3008 bool 3197 bool
3009 3198
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3199 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3200
3012 config PCI_DRIVERS_GENERIC 3201 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3202 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3203 bool
3015 3204
3016 config PCI_DRIVERS_LEGACY 3205 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3206 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3207 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3208 select PCI_DOMAINS if PCI
3020 3209
3021 # 3210 #
3022 # ISA support is now enabled via select. Too 3211 # 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 3212 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3213 # users to choose the right thing ...
3025 # 3214 #
3026 config ISA 3215 config ISA
3027 bool 3216 bool
3028 3217
3029 config TC 3218 config TC
3030 bool "TURBOchannel support" 3219 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3220 depends on MACH_DECSTATION
3032 help 3221 help
3033 TURBOchannel is a DEC (now Compaq ( 3222 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3223 processors. TURBOchannel programming specifications are available
3035 at: 3224 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3225 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3226 and:
3038 <http://www.computer-refuge.org/cla 3227 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3228 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3229 <http://www.linux-mips.org/wiki/DECstation>
3041 3230
3042 config MMU 3231 config MMU
3043 bool 3232 bool
3044 default y 3233 default y
3045 3234
3046 config ARCH_MMAP_RND_BITS_MIN 3235 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3236 default 12 if 64BIT
3048 default 8 3237 default 8
3049 3238
3050 config ARCH_MMAP_RND_BITS_MAX 3239 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3240 default 18 if 64BIT
3052 default 15 3241 default 15
3053 3242
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3243 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3244 default 8
3056 3245
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3246 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3247 default 15
3059 3248
3060 config I8253 3249 config I8253
3061 bool 3250 bool
3062 select CLKSRC_I8253 3251 select CLKSRC_I8253
3063 select CLKEVT_I8253 3252 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3253 select MIPS_EXTERNAL_TIMER
>> 3254
>> 3255 config ZONE_DMA
>> 3256 bool
>> 3257
>> 3258 config ZONE_DMA32
>> 3259 bool
>> 3260
3065 endmenu 3261 endmenu
3066 3262
3067 config TRAD_SIGNALS 3263 config TRAD_SIGNALS
3068 bool 3264 bool
3069 3265
3070 config MIPS32_COMPAT 3266 config MIPS32_COMPAT
3071 bool 3267 bool
3072 3268
3073 config COMPAT 3269 config COMPAT
3074 bool 3270 bool
3075 3271
>> 3272 config SYSVIPC_COMPAT
>> 3273 bool
>> 3274
3076 config MIPS32_O32 3275 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3276 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3277 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3278 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3279 select COMPAT
3081 select MIPS32_COMPAT 3280 select MIPS32_COMPAT
>> 3281 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3282 help
3083 Select this option if you want to r 3283 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3284 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3285 existing binaries are in this format.
3086 3286
3087 If unsure, say Y. 3287 If unsure, say Y.
3088 3288
3089 config MIPS32_N32 3289 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3290 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3291 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3292 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3293 select COMPAT
3094 select MIPS32_COMPAT 3294 select MIPS32_COMPAT
>> 3295 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3296 help
3096 Select this option if you want to r 3297 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3298 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3299 data that would normally be 64-bit. They are used in special
3099 cases. 3300 cases.
3100 3301
3101 If unsure, say N. 3302 If unsure, say N.
3102 3303
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 3304 config BINFMT_ELF32
3104 def_bool y !! 3305 bool
3105 depends on $(cc-option,-mno-branch-li !! 3306 default y if MIPS32_O32 || MIPS32_N32
3106 !! 3307 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 3308
3111 menu "Power management options" 3309 menu "Power management options"
3112 3310
3113 config ARCH_HIBERNATION_POSSIBLE 3311 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3312 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3313 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3314
3117 config ARCH_SUSPEND_POSSIBLE 3315 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3316 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3317 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3318
3121 source "kernel/power/Kconfig" 3319 source "kernel/power/Kconfig"
3122 3320
3123 endmenu 3321 endmenu
3124 3322
3125 config MIPS_EXTERNAL_TIMER 3323 config MIPS_EXTERNAL_TIMER
3126 bool 3324 bool
3127 3325
3128 menu "CPU Power Management" 3326 menu "CPU Power Management"
3129 3327
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3328 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3329 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3330 endif
3133 3331
3134 source "drivers/cpuidle/Kconfig" 3332 source "drivers/cpuidle/Kconfig"
3135 3333
3136 endmenu 3334 endmenu
>> 3335
>> 3336 source "drivers/firmware/Kconfig"
3137 3337
3138 source "arch/mips/kvm/Kconfig" 3338 source "arch/mips/kvm/Kconfig"
3139 3339
3140 source "arch/mips/vdso/Kconfig" 3340 source "arch/mips/vdso/Kconfig"
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