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 7 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 8 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 9 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 10 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 11 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE 12 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 13 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 14 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK 15 select ARCH_KEEP_MEMBLOCK
>> 16 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 17 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 18 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST 19 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS 20 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 21 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 22 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 23 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 24 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 25 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 26 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 27 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 28 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 29 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 30 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 31 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 32 select GENERIC_CPU_AUTOPROBE
>> 33 select GENERIC_FIND_FIRST_BIT
38 select GENERIC_GETTIMEOFDAY 34 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 35 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 36 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 37 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 38 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 39 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 40 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 41 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 42 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 43 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 44 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 45 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 46 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 47 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 48 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 49 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 50 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 51 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 52 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 53 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 54 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 55 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 56 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 57 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 58 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 59 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 60 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 61 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 62 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 63 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 64 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 66 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
71 select HAVE_EXIT_THREAD 67 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 68 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 69 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 70 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 71 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 72 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 73 select HAVE_GENERIC_VDSO
>> 74 select HAVE_IDE
78 select HAVE_IOREMAP_PROT 75 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 76 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 77 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 78 select HAVE_KPROBES
82 select HAVE_KRETPROBES 79 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 80 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 81 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 82 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON <<
87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 <<
88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 <<
89 select HAVE_PERF_EVENTS 83 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 84 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 85 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 86 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 87 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 88 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 89 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 90 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 91 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 92 select IRQ_FORCED_THREADING
99 select ISA if EISA 93 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 94 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 95 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 96 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 97 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 98 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 99 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 100 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 101 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 102
111 config MIPS_FIXUP_BIGPHYS_ADDR 103 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 104 bool
113 105
114 config MIPS_GENERIC 106 config MIPS_GENERIC
115 bool 107 bool
116 108
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 109 config MACH_INGENIC
121 bool 110 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 111 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 112 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 113 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 114 select DMA_NONCOHERENT
126 select IRQ_MIPS_CPU 115 select IRQ_MIPS_CPU
127 select PINCTRL 116 select PINCTRL
128 select GPIOLIB 117 select GPIOLIB
129 select COMMON_CLK 118 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 119 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 120 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 121 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 122 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 123 select MIPS_EXTERNAL_TIMER
135 124
136 menu "Machine selection" 125 menu "Machine selection"
137 126
138 choice 127 choice
139 prompt "System type" 128 prompt "System type"
140 default MIPS_GENERIC_KERNEL 129 default MIPS_GENERIC_KERNEL
141 130
142 config MIPS_GENERIC_KERNEL 131 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 132 bool "Generic board-agnostic MIPS kernel"
>> 133 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 134 select MIPS_GENERIC
145 select BOOT_RAW 135 select BOOT_RAW
146 select BUILTIN_DTB 136 select BUILTIN_DTB
147 select CEVT_R4K 137 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 138 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 139 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 140 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 141 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 142 select CSRC_R4K
153 select DMA_NONCOHERENT 143 select DMA_NONCOHERENT
154 select HAVE_PCI 144 select HAVE_PCI
155 select IRQ_MIPS_CPU 145 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 146 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 147 select MIPS_CPU_SCACHE
159 select MIPS_GIC 148 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 149 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 150 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 151 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 152 select SMP_UP if SMP
164 select SWAP_IO_SPACE 153 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 154 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 155 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 156 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 157 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 158 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 159 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 160 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 161 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 162 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 163 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 164 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 165 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 166 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 167 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 168 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 169 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 170 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 171 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 172 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 173 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 174 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 175 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 176 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 177 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 179 select USE_OF
193 help 180 help
194 Select this to build a kernel which 181 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 182 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 183 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 184 Interface) specification.
198 185
199 config MIPS_ALCHEMY 186 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 187 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 188 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 189 select CEVT_R4K
203 select CSRC_R4K 190 select CSRC_R4K
204 select IRQ_MIPS_CPU 191 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 192 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 193 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 194 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 195 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 196 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 197 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 198 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 199 select COMMON_CLK
213 200
>> 201 config AR7
>> 202 bool "Texas Instruments AR7"
>> 203 select BOOT_ELF32
>> 204 select DMA_NONCOHERENT
>> 205 select CEVT_R4K
>> 206 select CSRC_R4K
>> 207 select IRQ_MIPS_CPU
>> 208 select NO_EXCEPT_FILL
>> 209 select SWAP_IO_SPACE
>> 210 select SYS_HAS_CPU_MIPS32_R1
>> 211 select SYS_HAS_EARLY_PRINTK
>> 212 select SYS_SUPPORTS_32BIT_KERNEL
>> 213 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 214 select SYS_SUPPORTS_MIPS16
>> 215 select SYS_SUPPORTS_ZBOOT_UART16550
>> 216 select GPIOLIB
>> 217 select VLYNQ
>> 218 select HAVE_LEGACY_CLK
>> 219 help
>> 220 Support for the Texas Instruments AR7 System-on-a-Chip
>> 221 family: TNETD7100, 7200 and 7300.
>> 222
214 config ATH25 223 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 224 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 225 select CEVT_R4K
217 select CSRC_R4K 226 select CSRC_R4K
218 select DMA_NONCOHERENT 227 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 228 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 229 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 230 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 231 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 232 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 233 select SYS_HAS_EARLY_PRINTK
225 help 234 help
226 Support for Atheros AR231x and Ather 235 Support for Atheros AR231x and Atheros AR531x based boards
227 236
228 config ATH79 237 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 238 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 239 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 240 select BOOT_RAW
232 select CEVT_R4K 241 select CEVT_R4K
233 select CSRC_R4K 242 select CSRC_R4K
234 select DMA_NONCOHERENT 243 select DMA_NONCOHERENT
235 select GPIOLIB 244 select GPIOLIB
236 select PINCTRL 245 select PINCTRL
237 select COMMON_CLK 246 select COMMON_CLK
238 select IRQ_MIPS_CPU 247 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 248 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 249 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 250 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 251 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 252 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 253 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 254 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 255 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 256 help
248 Support for the Atheros AR71XX/AR724 257 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 258
250 config BMIPS_GENERIC 259 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 260 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 261 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 262 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 263 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 264 select BOOT_RAW
255 select NO_EXCEPT_FILL 265 select NO_EXCEPT_FILL
256 select USE_OF 266 select USE_OF
257 select CEVT_R4K 267 select CEVT_R4K
258 select CSRC_R4K 268 select CSRC_R4K
259 select SYNC_R4K 269 select SYNC_R4K
260 select COMMON_CLK 270 select COMMON_CLK
261 select BCM6345_L1_IRQ 271 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 272 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 273 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 274 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 275 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 276 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 277 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 278 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 279 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 280 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 281 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 282 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 283 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 284 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 285 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 286 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 287 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 288 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 289 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 290 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 291 help
285 Build a generic DT-based kernel imag 292 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 293 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 294 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 295 must be set appropriately for your board.
289 296
290 config BCM47XX 297 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 298 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 299 select BOOT_RAW
293 select CEVT_R4K 300 select CEVT_R4K
294 select CSRC_R4K 301 select CSRC_R4K
295 select DMA_NONCOHERENT 302 select DMA_NONCOHERENT
296 select HAVE_PCI 303 select HAVE_PCI
297 select IRQ_MIPS_CPU 304 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 305 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 306 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 307 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 308 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 309 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 310 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 311 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 312 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 313 select GPIOLIB
307 select LEDS_GPIO_REGISTER 314 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 315 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 316 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 317 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 318 help
312 Support for BCM47XX based boards 319 Support for BCM47XX based boards
313 320
314 config BCM63XX 321 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 322 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 323 select BOOT_RAW
317 select CEVT_R4K 324 select CEVT_R4K
318 select CSRC_R4K 325 select CSRC_R4K
319 select SYNC_R4K 326 select SYNC_R4K
320 select DMA_NONCOHERENT 327 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 328 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 329 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 330 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 331 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 332 select SWAP_IO_SPACE
329 select GPIOLIB 333 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 334 select MIPS_L1_CACHE_SHIFT_4
>> 335 select CLKDEV_LOOKUP
331 select HAVE_LEGACY_CLK 336 select HAVE_LEGACY_CLK
332 help 337 help
333 Support for BCM63XX based boards 338 Support for BCM63XX based boards
334 339
335 config MIPS_COBALT 340 config MIPS_COBALT
336 bool "Cobalt Server" 341 bool "Cobalt Server"
337 select CEVT_R4K 342 select CEVT_R4K
338 select CSRC_R4K 343 select CSRC_R4K
339 select CEVT_GT641XX 344 select CEVT_GT641XX
340 select DMA_NONCOHERENT 345 select DMA_NONCOHERENT
341 select FORCE_PCI 346 select FORCE_PCI
342 select I8253 347 select I8253
343 select I8259 348 select I8259
344 select IRQ_MIPS_CPU 349 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 350 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 351 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 352 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 353 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 354 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 355 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 356 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 357 select USE_GENERIC_EARLY_PRINTK_8250
353 358
354 config MACH_DECSTATION 359 config MACH_DECSTATION
355 bool "DECstations" 360 bool "DECstations"
356 select BOOT_ELF32 361 select BOOT_ELF32
357 select CEVT_DS1287 362 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 363 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 364 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 365 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 366 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 367 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 368 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 369 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 370 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 371 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 372 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 373 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 374 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 375 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 376 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 377 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 378 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 379 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 380 select MIPS_L1_CACHE_SHIFT_4
376 help 381 help
377 This enables support for DEC's MIPS 382 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 383 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 384 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 385
381 If you have one of the following DEC 386 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 387 want to choose R4xx0 for the CPU Type:
383 388
384 DECstation 5000/50 389 DECstation 5000/50
385 DECstation 5000/150 390 DECstation 5000/150
386 DECstation 5000/260 391 DECstation 5000/260
387 DECsystem 5900/260 392 DECsystem 5900/260
388 393
389 otherwise choose R3000. 394 otherwise choose R3000.
390 395
391 config MACH_JAZZ 396 config MACH_JAZZ
392 bool "Jazz family of machines" 397 bool "Jazz family of machines"
393 select ARC_MEMORY 398 select ARC_MEMORY
394 select ARC_PROMLIB 399 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 400 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 401 select ARCH_MIGHT_HAVE_PC_SERIO
>> 402 select DMA_OPS
397 select FW_ARC 403 select FW_ARC
398 select FW_ARC32 404 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 405 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 406 select CEVT_R4K
401 select CSRC_R4K 407 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 408 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 409 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 410 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 411 select IRQ_MIPS_CPU
406 select I8253 412 select I8253
407 select I8259 413 select I8259
408 select ISA 414 select ISA
409 select SYS_HAS_CPU_R4X00 415 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 416 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 417 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 418 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 419 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 420 help
415 This a family of machines based on t 421 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 422 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 423 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 424 Olivetti M700-10 workstations.
419 425
420 config MACH_INGENIC_SOC 426 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 427 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 428 select MIPS_GENERIC
423 select MACH_INGENIC 429 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 430 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 431 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 432 select MIPS_EXTERNAL_TIMER
428 433
429 config LANTIQ 434 config LANTIQ
430 bool "Lantiq based platforms" 435 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 436 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 437 select IRQ_MIPS_CPU
433 select CEVT_R4K 438 select CEVT_R4K
434 select CSRC_R4K 439 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 440 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 441 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 442 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 443 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 444 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 445 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 446 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 447 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 448 select GPIOLIB
445 select SWAP_IO_SPACE 449 select SWAP_IO_SPACE
446 select BOOT_RAW 450 select BOOT_RAW
>> 451 select CLKDEV_LOOKUP
447 select HAVE_LEGACY_CLK 452 select HAVE_LEGACY_CLK
448 select USE_OF 453 select USE_OF
449 select PINCTRL 454 select PINCTRL
450 select PINCTRL_LANTIQ 455 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 456 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 457 select RESET_CONTROLLER
453 458
454 config MACH_LOONGSON32 459 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 460 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 461 select SYS_SUPPORTS_ZBOOT
457 help 462 help
458 This enables support for the Loongso 463 This enables support for the Loongson-1 family of machines.
459 464
460 Loongson-1 is a family of 32-bit MIP 465 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 466 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 467 Sciences (CAS).
463 468
464 config MACH_LOONGSON2EF 469 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 470 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 471 select SYS_SUPPORTS_ZBOOT
467 help 472 help
468 This enables the support of early Lo 473 This enables the support of early Loongson-2E/F family of machines.
469 474
470 config MACH_LOONGSON64 475 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 476 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 477 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 478 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 479 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 480 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 481 select BOOT_ELF32
478 select BOARD_SCACHE 482 select BOARD_SCACHE
479 select CSRC_R4K 483 select CSRC_R4K
480 select CEVT_R4K 484 select CEVT_R4K
481 select SYNC_R4K !! 485 select CPU_HAS_WB
482 select FORCE_PCI 486 select FORCE_PCI
483 select ISA 487 select ISA
484 select I8259 488 select I8259
485 select IRQ_MIPS_CPU 489 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 490 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 491 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 492 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 493 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 494 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 495 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 496 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 497 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 498 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 499 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 500 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 501 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 502 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 503 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 504 select ZONE_DMA32
501 select COMMON_CLK 505 select COMMON_CLK
502 select USE_OF 506 select USE_OF
503 select BUILTIN_DTB 507 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 508 select PCI_HOST_GENERIC
505 help 509 help
506 This enables the support of Loongson 510 This enables the support of Loongson-2/3 family of machines.
507 511
508 Loongson-2 and Loongson-3 are 64-bit 512 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 513 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 514 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 515 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 516
>> 517 config MACH_PISTACHIO
>> 518 bool "IMG Pistachio SoC based boards"
>> 519 select BOOT_ELF32
>> 520 select BOOT_RAW
>> 521 select CEVT_R4K
>> 522 select CLKSRC_MIPS_GIC
>> 523 select COMMON_CLK
>> 524 select CSRC_R4K
>> 525 select DMA_NONCOHERENT
>> 526 select GPIOLIB
>> 527 select IRQ_MIPS_CPU
>> 528 select MFD_SYSCON
>> 529 select MIPS_CPU_SCACHE
>> 530 select MIPS_GIC
>> 531 select PINCTRL
>> 532 select REGULATOR
>> 533 select SYS_HAS_CPU_MIPS32_R2
>> 534 select SYS_SUPPORTS_32BIT_KERNEL
>> 535 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 536 select SYS_SUPPORTS_MIPS_CPS
>> 537 select SYS_SUPPORTS_MULTITHREADING
>> 538 select SYS_SUPPORTS_RELOCATABLE
>> 539 select SYS_SUPPORTS_ZBOOT
>> 540 select SYS_HAS_EARLY_PRINTK
>> 541 select USE_GENERIC_EARLY_PRINTK_8250
>> 542 select USE_OF
>> 543 help
>> 544 This enables support for the IMG Pistachio SoC platform.
>> 545
513 config MIPS_MALTA 546 config MIPS_MALTA
514 bool "MIPS Malta board" 547 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 548 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 549 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 550 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 551 select BOOT_ELF32
519 select BOOT_RAW 552 select BOOT_RAW
520 select BUILTIN_DTB 553 select BUILTIN_DTB
521 select CEVT_R4K 554 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 555 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 556 select COMMON_CLK
524 select CSRC_R4K 557 select CSRC_R4K
525 select DMA_NONCOHERENT 558 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 559 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 560 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 561 select HAVE_PCI
529 select I8253 562 select I8253
530 select I8259 563 select I8259
531 select IRQ_MIPS_CPU 564 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 565 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 566 select MIPS_CPU_SCACHE
534 select MIPS_GIC 567 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 568 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 569 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 570 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 571 select SMP_UP if SMP
539 select SWAP_IO_SPACE 572 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 573 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 574 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 575 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 576 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 577 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 578 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 579 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 580 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 581 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 582 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 583 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 584 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 585 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 586 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 587 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 588 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 589 select SYS_SUPPORTS_MIPS16
>> 590 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 591 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 592 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 593 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 594 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 595 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 596 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 597 select USE_OF
564 select WAR_ICACHE_REFILLS 598 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 599 select ZONE_DMA32 if 64BIT
566 help 600 help
567 This enables support for the MIPS Te 601 This enables support for the MIPS Technologies Malta evaluation
568 board. 602 board.
569 603
570 config MACH_PIC32 604 config MACH_PIC32
571 bool "Microchip PIC32 Family" 605 bool "Microchip PIC32 Family"
572 help 606 help
573 This enables support for the Microch 607 This enables support for the Microchip PIC32 family of platforms.
574 608
575 Microchip PIC32 is a family of gener 609 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 610 microcontrollers.
577 611
578 config EYEQ !! 612 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 613 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 614 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 615 select CSRC_R4K
592 select DMA_NONCOHERENT !! 616 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 617 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 618 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 <<
621 619
622 config MACH_NINTENDO64 620 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 621 bool "Nintendo 64 console"
624 select CEVT_R4K 622 select CEVT_R4K
625 select CSRC_R4K 623 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 624 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 625 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 626 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 627 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 628 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 629 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 630 select IRQ_MIPS_CPU
633 631
634 config RALINK 632 config RALINK
635 bool "Ralink based machines" 633 bool "Ralink based machines"
636 select CEVT_R4K 634 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 635 select CSRC_R4K
639 select BOOT_RAW 636 select BOOT_RAW
640 select DMA_NONCOHERENT 637 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 638 select IRQ_MIPS_CPU
642 select USE_OF 639 select USE_OF
>> 640 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 641 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 642 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 643 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 644 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 645 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 646 select SYS_HAS_EARLY_PRINTK
>> 647 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 648 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 649 select RESET_CONTROLLER
651 650
652 config MACH_REALTEK_RTL 651 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 652 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 653 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 654 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 655 select IRQ_MIPS_CPU
658 select CSRC_R4K 656 select CSRC_R4K
659 select CEVT_R4K 657 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 658 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 659 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 660 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 661 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 662 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 663 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 664 select SYS_SUPPORTS_VPE_LOADER
>> 665 select SYS_HAS_EARLY_PRINTK
>> 666 select SYS_HAS_EARLY_PRINTK_8250
>> 667 select USE_GENERIC_EARLY_PRINTK_8250
667 select BOOT_RAW 668 select BOOT_RAW
668 select PINCTRL 669 select PINCTRL
669 select USE_OF 670 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 671
672 config SGI_IP22 672 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 673 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 674 select ARC_MEMORY
675 select ARC_PROMLIB 675 select ARC_PROMLIB
676 select FW_ARC 676 select FW_ARC
677 select FW_ARC32 677 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 678 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 679 select BOOT_ELF32
680 select CEVT_R4K 680 select CEVT_R4K
681 select CSRC_R4K 681 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 682 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 683 select DMA_NONCOHERENT
684 select HAVE_EISA 684 select HAVE_EISA
685 select I8253 685 select I8253
686 select I8259 686 select I8259
687 select IP22_CPU_SCACHE 687 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 688 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 689 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 690 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 691 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 692 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 693 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 694 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 695 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 696 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 697 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 698 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 699 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 700 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 701 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 702 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 703 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 704 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 705 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 706 select MIPS_L1_CACHE_SHIFT_7
707 help 707 help
708 This are the SGI Indy, Challenge S a 708 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 709 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 710 that runs on these, say Y here.
711 711
712 config SGI_IP27 712 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 713 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 714 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 715 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 716 select FW_ARC
717 select FW_ARC64 717 select FW_ARC64
718 select ARC_CMDLINE_ONLY 718 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 719 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 720 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 721 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 722 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 723 select HAVE_PCI
724 select IRQ_MIPS_CPU 724 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 725 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 726 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 727 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 728 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 729 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 730 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 731 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 732 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 733 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 734 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 735 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 736 select NUMA
737 help 737 help
738 This are the SGI Origin 200, Origin 738 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 739 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 740 here.
741 741
742 config SGI_IP28 742 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 743 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 744 select ARC_MEMORY
745 select ARC_PROMLIB 745 select ARC_PROMLIB
746 select FW_ARC 746 select FW_ARC
747 select FW_ARC64 747 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 748 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 749 select BOOT_ELF64
750 select CEVT_R4K 750 select CEVT_R4K
751 select CSRC_R4K 751 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 752 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 753 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 754 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 755 select IRQ_MIPS_CPU
756 select HAVE_EISA 756 select HAVE_EISA
757 select I8253 757 select I8253
758 select I8259 758 select I8259
759 select SGI_HAS_I8042 759 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 760 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 761 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 762 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 763 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 764 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 765 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 766 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 767 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 768 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 769 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 770 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 771 select MIPS_L1_CACHE_SHIFT_7
772 help 772 help
773 This is the SGI Indigo2 with R10000 773 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 774 kernel that runs on these, say Y here.
775 775
776 config SGI_IP30 776 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 777 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 778 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 779 select FW_ARC
780 select FW_ARC64 780 select FW_ARC64
781 select BOOT_ELF64 781 select BOOT_ELF64
782 select CEVT_R4K 782 select CEVT_R4K
783 select CSRC_R4K 783 select CSRC_R4K
784 select FORCE_PCI 784 select FORCE_PCI
785 select SYNC_R4K if SMP 785 select SYNC_R4K if SMP
786 select ZONE_DMA32 786 select ZONE_DMA32
787 select HAVE_PCI 787 select HAVE_PCI
788 select IRQ_MIPS_CPU 788 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 789 select IRQ_DOMAIN_HIERARCHY
>> 790 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 791 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 792 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 793 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 794 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 795 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 796 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 797 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 798 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 799 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 800 select ARC_MEMORY
800 help 801 help
801 These are the SGI Octane and Octane2 802 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 803 compile a Linux kernel that runs on these, say Y here.
803 804
804 config SGI_IP32 805 config SGI_IP32
805 bool "SGI IP32 (O2)" 806 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 807 select ARC_MEMORY
807 select ARC_PROMLIB 808 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 809 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 810 select FW_ARC
810 select FW_ARC32 811 select FW_ARC32
811 select BOOT_ELF32 812 select BOOT_ELF32
812 select CEVT_R4K 813 select CEVT_R4K
813 select CSRC_R4K 814 select CSRC_R4K
814 select DMA_NONCOHERENT 815 select DMA_NONCOHERENT
815 select HAVE_PCI 816 select HAVE_PCI
816 select IRQ_MIPS_CPU 817 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 818 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 819 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 820 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 821 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 822 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 823 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 824 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 825 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 826 select WAR_ICACHE_REFILLS
826 help 827 help
827 If you want this kernel to run on SG 828 If you want this kernel to run on SGI O2 workstation, say Y here.
828 829
>> 830 config SIBYTE_CRHINE
>> 831 bool "Sibyte BCM91120C-CRhine"
>> 832 select BOOT_ELF32
>> 833 select SIBYTE_BCM1120
>> 834 select SWAP_IO_SPACE
>> 835 select SYS_HAS_CPU_SB1
>> 836 select SYS_SUPPORTS_BIG_ENDIAN
>> 837 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 838
>> 839 config SIBYTE_CARMEL
>> 840 bool "Sibyte BCM91120x-Carmel"
>> 841 select BOOT_ELF32
>> 842 select SIBYTE_BCM1120
>> 843 select SWAP_IO_SPACE
>> 844 select SYS_HAS_CPU_SB1
>> 845 select SYS_SUPPORTS_BIG_ENDIAN
>> 846 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 847
829 config SIBYTE_CRHONE 848 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 849 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 850 select BOOT_ELF32
832 select SIBYTE_BCM1125 851 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 852 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 853 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 854 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 855 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 856 select SYS_SUPPORTS_LITTLE_ENDIAN
838 857
839 config SIBYTE_RHONE 858 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 859 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 860 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 861 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 862 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 863 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 864 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 865 select SYS_SUPPORTS_LITTLE_ENDIAN
847 866
848 config SIBYTE_SWARM 867 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 868 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 869 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 870 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 871 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 872 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 873 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 874 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 875 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 876 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 877 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 878 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 879
861 config SIBYTE_LITTLESUR 880 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 881 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 882 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 883 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 884 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 885 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 886 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 887 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 888 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 889 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 890 select ZONE_DMA32 if 64BIT
872 891
873 config SIBYTE_SENTOSA 892 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 893 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 894 select BOOT_ELF32
876 select SIBYTE_SB1250 895 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 896 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 897 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 898 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 899 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 900 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 901
883 config SIBYTE_BIGSUR 902 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 903 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 904 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 905 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 906 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 907 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 908 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 909 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 910 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 911 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 912 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 913 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 914
896 config SNI_RM 915 config SNI_RM
897 bool "SNI RM200/300/400" 916 bool "SNI RM200/300/400"
898 select ARC_MEMORY 917 select ARC_MEMORY
899 select ARC_PROMLIB 918 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 919 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 920 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 921 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 922 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 923 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 924 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 925 select BOOT_ELF32
907 select CEVT_R4K 926 select CEVT_R4K
908 select CSRC_R4K 927 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 928 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 929 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 930 select GENERIC_ISA_DMA
912 select HAVE_EISA 931 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 932 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 933 select HAVE_PCI
915 select IRQ_MIPS_CPU 934 select IRQ_MIPS_CPU
916 select I8253 935 select I8253
917 select I8259 936 select I8259
918 select ISA 937 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 938 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 939 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 940 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 941 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 942 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 943 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 944 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 945 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 946 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 947 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 948 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 949 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 950 select WAR_R4600_V2_HIT_CACHEOP
932 help 951 help
933 The SNI RM200/300/400 are MIPS-based 952 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 953 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 954 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 955 support this machine type.
937 956
>> 957 config MACH_TX39XX
>> 958 bool "Toshiba TX39 series based machines"
>> 959
938 config MACH_TX49XX 960 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 961 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 962 select WAR_TX49XX_ICACHE_INDEX_INV
941 963
942 config MIKROTIK_RB532 964 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 965 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 966 select CEVT_R4K
945 select CSRC_R4K 967 select CSRC_R4K
946 select DMA_NONCOHERENT 968 select DMA_NONCOHERENT
947 select HAVE_PCI 969 select HAVE_PCI
948 select IRQ_MIPS_CPU 970 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 971 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 972 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 973 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 974 select SWAP_IO_SPACE
953 select BOOT_RAW 975 select BOOT_RAW
954 select GPIOLIB 976 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 977 select MIPS_L1_CACHE_SHIFT_4
956 help 978 help
957 Support the Mikrotik(tm) RouterBoard 979 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 980 based on the IDT RC32434 SoC.
959 981
960 config CAVIUM_OCTEON_SOC 982 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 983 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 984 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 985 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 986 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 987 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 988 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 989 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 990 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 991 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 992 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 993 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 994 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 995 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 996 select HAVE_PCI
975 select HAVE_PLAT_DELAY 997 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 998 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 999 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 1000 select ZONE_DMA32
>> 1001 select HOLES_IN_ZONE
979 select GPIOLIB 1002 select GPIOLIB
980 select USE_OF 1003 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 1004 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 1005 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 1006 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 1007 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 1008 select BUILTIN_DTB
986 select MTD 1009 select MTD
987 select MTD_COMPLEX_MAPPINGS 1010 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 1011 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 1012 select SYS_SUPPORTS_RELOCATABLE
990 help 1013 help
991 This option supports all of the Octe 1014 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 1015 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 1016 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 1017 Some of the supported boards are:
995 EBT3000 1018 EBT3000
996 EBH3000 1019 EBH3000
997 EBH3100 1020 EBH3100
998 Thunder 1021 Thunder
999 Kodama 1022 Kodama
1000 Hikari 1023 Hikari
1001 Say Y here for most Octeon referenc 1024 Say Y here for most Octeon reference boards.
1002 1025
1003 endchoice !! 1026 config NLM_XLR_BOARD
>> 1027 bool "Netlogic XLR/XLS based systems"
>> 1028 select BOOT_ELF32
>> 1029 select NLM_COMMON
>> 1030 select SYS_HAS_CPU_XLR
>> 1031 select SYS_SUPPORTS_SMP
>> 1032 select HAVE_PCI
>> 1033 select SWAP_IO_SPACE
>> 1034 select SYS_SUPPORTS_32BIT_KERNEL
>> 1035 select SYS_SUPPORTS_64BIT_KERNEL
>> 1036 select PHYS_ADDR_T_64BIT
>> 1037 select SYS_SUPPORTS_BIG_ENDIAN
>> 1038 select SYS_SUPPORTS_HIGHMEM
>> 1039 select NR_CPUS_DEFAULT_32
>> 1040 select CEVT_R4K
>> 1041 select CSRC_R4K
>> 1042 select IRQ_MIPS_CPU
>> 1043 select ZONE_DMA32 if 64BIT
>> 1044 select SYNC_R4K
>> 1045 select SYS_HAS_EARLY_PRINTK
>> 1046 select SYS_SUPPORTS_ZBOOT
>> 1047 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1048 help
>> 1049 Support for systems based on Netlogic XLR and XLS processors.
>> 1050 Say Y here if you have a XLR or XLS based board.
1004 1051
1005 config FIT_IMAGE_FDT_EPM5 !! 1052 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1053 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1054 select BOOT_ELF32
1008 default n !! 1055 select NLM_COMMON
>> 1056 select SYS_HAS_CPU_XLP
>> 1057 select SYS_SUPPORTS_SMP
>> 1058 select HAVE_PCI
>> 1059 select SYS_SUPPORTS_32BIT_KERNEL
>> 1060 select SYS_SUPPORTS_64BIT_KERNEL
>> 1061 select PHYS_ADDR_T_64BIT
>> 1062 select GPIOLIB
>> 1063 select SYS_SUPPORTS_BIG_ENDIAN
>> 1064 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1065 select SYS_SUPPORTS_HIGHMEM
>> 1066 select NR_CPUS_DEFAULT_32
>> 1067 select CEVT_R4K
>> 1068 select CSRC_R4K
>> 1069 select IRQ_MIPS_CPU
>> 1070 select ZONE_DMA32 if 64BIT
>> 1071 select SYNC_R4K
>> 1072 select SYS_HAS_EARLY_PRINTK
>> 1073 select USE_OF
>> 1074 select SYS_SUPPORTS_ZBOOT
>> 1075 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1076 help
1010 Enable this to include the FDT for !! 1077 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1078 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1079
>> 1080 endchoice
1013 1081
1014 source "arch/mips/alchemy/Kconfig" 1082 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1083 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1084 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1085 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1086 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1087 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1088 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1089 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1090 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1091 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1092 source "arch/mips/pic32/Kconfig"
>> 1093 source "arch/mips/pistachio/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1094 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1095 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1096 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1097 source "arch/mips/txx9/Kconfig"
>> 1098 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1099 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1100 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1101 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1102 source "arch/mips/loongson64/Kconfig"
>> 1103 source "arch/mips/netlogic/Kconfig"
1034 1104
1035 endmenu 1105 endmenu
1036 1106
1037 config GENERIC_HWEIGHT 1107 config GENERIC_HWEIGHT
1038 bool 1108 bool
1039 default y 1109 default y
1040 1110
1041 config GENERIC_CALIBRATE_DELAY 1111 config GENERIC_CALIBRATE_DELAY
1042 bool 1112 bool
1043 default y 1113 default y
1044 1114
1045 config SCHED_OMIT_FRAME_POINTER 1115 config SCHED_OMIT_FRAME_POINTER
1046 bool 1116 bool
1047 default y 1117 default y
1048 1118
1049 # 1119 #
1050 # Select some configuration options automatic 1120 # Select some configuration options automatically based on user selections.
1051 # 1121 #
1052 config FW_ARC 1122 config FW_ARC
1053 bool 1123 bool
1054 1124
1055 config ARCH_MAY_HAVE_PC_FDC 1125 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1126 bool
1057 1127
1058 config BOOT_RAW 1128 config BOOT_RAW
1059 bool 1129 bool
1060 1130
1061 config CEVT_BCM1480 1131 config CEVT_BCM1480
1062 bool 1132 bool
1063 1133
1064 config CEVT_DS1287 1134 config CEVT_DS1287
1065 bool 1135 bool
1066 1136
1067 config CEVT_GT641XX 1137 config CEVT_GT641XX
1068 bool 1138 bool
1069 1139
1070 config CEVT_R4K 1140 config CEVT_R4K
1071 bool 1141 bool
1072 1142
1073 config CEVT_SB1250 1143 config CEVT_SB1250
1074 bool 1144 bool
1075 1145
1076 config CEVT_TXX9 1146 config CEVT_TXX9
1077 bool 1147 bool
1078 1148
1079 config CSRC_BCM1480 1149 config CSRC_BCM1480
1080 bool 1150 bool
1081 1151
1082 config CSRC_IOASIC 1152 config CSRC_IOASIC
1083 bool 1153 bool
1084 1154
1085 config CSRC_R4K 1155 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1156 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1157 bool
1089 1158
1090 config CSRC_SB1250 1159 config CSRC_SB1250
1091 bool 1160 bool
1092 1161
1093 config MIPS_CLOCK_VSYSCALL 1162 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1163 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1164
1096 config GPIO_TXX9 1165 config GPIO_TXX9
1097 select GPIOLIB 1166 select GPIOLIB
1098 bool 1167 bool
1099 1168
1100 config FW_CFE 1169 config FW_CFE
1101 bool 1170 bool
1102 1171
1103 config ARCH_SUPPORTS_UPROBES 1172 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1173 bool
>> 1174
>> 1175 config DMA_PERDEV_COHERENT
>> 1176 bool
>> 1177 select ARCH_HAS_SETUP_DMA_OPS
>> 1178 select DMA_NONCOHERENT
1105 1179
1106 config DMA_NONCOHERENT 1180 config DMA_NONCOHERENT
1107 bool 1181 bool
1108 # 1182 #
1109 # MIPS allows mixing "slightly differ 1183 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1184 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1185 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1186 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1187 # significant advantages.
1114 # 1188 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1189 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1190 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1191 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1192 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1193 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1194 select NEED_DMA_MAP_STATE
1123 1195
1124 config SYS_HAS_EARLY_PRINTK 1196 config SYS_HAS_EARLY_PRINTK
1125 bool 1197 bool
1126 1198
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1199 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1200 bool
1129 1201
1130 config MIPS_BONITO64 1202 config MIPS_BONITO64
1131 bool 1203 bool
1132 1204
1133 config MIPS_MSC 1205 config MIPS_MSC
1134 bool 1206 bool
1135 1207
1136 config SYNC_R4K 1208 config SYNC_R4K
1137 bool 1209 bool
1138 1210
1139 config NO_IOPORT_MAP 1211 config NO_IOPORT_MAP
1140 def_bool n 1212 def_bool n
1141 1213
1142 config GENERIC_CSUM 1214 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1215 def_bool CPU_NO_LOAD_STORE_LR
1144 1216
1145 config GENERIC_ISA_DMA 1217 config GENERIC_ISA_DMA
1146 bool 1218 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1219 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1220 select ISA_DMA_API
1149 1221
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1222 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1223 bool
1152 select GENERIC_ISA_DMA 1224 select GENERIC_ISA_DMA
1153 1225
1154 config HAVE_PLAT_DELAY 1226 config HAVE_PLAT_DELAY
1155 bool 1227 bool
1156 1228
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1229 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1230 bool
1159 1231
1160 config HAVE_PLAT_MEMCPY 1232 config HAVE_PLAT_MEMCPY
1161 bool 1233 bool
1162 1234
1163 config ISA_DMA_API 1235 config ISA_DMA_API
1164 bool 1236 bool
1165 1237
>> 1238 config HOLES_IN_ZONE
>> 1239 bool
>> 1240
1166 config SYS_SUPPORTS_RELOCATABLE 1241 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1242 bool
1168 help 1243 help
1169 Selected if the platform supports r 1244 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1245 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1246 to allow access to command line and entropy sources.
1172 1247
>> 1248 config MIPS_CBPF_JIT
>> 1249 def_bool y
>> 1250 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1251
>> 1252 config MIPS_EBPF_JIT
>> 1253 def_bool y
>> 1254 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1255
>> 1256
1173 # 1257 #
1174 # Endianness selection. Sufficiently obscure 1258 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1259 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1260 # choice statement should be more obvious to the user.
1177 # 1261 #
1178 choice 1262 choice
1179 prompt "Endianness selection" 1263 prompt "Endianness selection"
1180 help 1264 help
1181 Some MIPS machines can be configure 1265 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1266 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1267 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1268 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1269 one or the other endianness.
1186 1270
1187 config CPU_BIG_ENDIAN 1271 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1272 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1273 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1274
1191 config CPU_LITTLE_ENDIAN 1275 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1276 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1277 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1278
1195 endchoice 1279 endchoice
1196 1280
1197 config EXPORT_UASM 1281 config EXPORT_UASM
1198 bool 1282 bool
1199 1283
1200 config SYS_SUPPORTS_APM_EMULATION 1284 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1285 bool
1202 1286
1203 config SYS_SUPPORTS_BIG_ENDIAN 1287 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1288 bool
1205 1289
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1290 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1291 bool
1208 1292
1209 config MIPS_HUGE_TLB_SUPPORT 1293 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1294 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1295
>> 1296 config IRQ_MSP_SLP
>> 1297 bool
>> 1298
>> 1299 config IRQ_MSP_CIC
>> 1300 bool
>> 1301
1212 config IRQ_TXX9 1302 config IRQ_TXX9
1213 bool 1303 bool
1214 1304
1215 config IRQ_GT641XX 1305 config IRQ_GT641XX
1216 bool 1306 bool
1217 1307
1218 config PCI_GT64XXX_PCI0 1308 config PCI_GT64XXX_PCI0
1219 bool 1309 bool
1220 1310
1221 config PCI_XTALK_BRIDGE 1311 config PCI_XTALK_BRIDGE
1222 bool 1312 bool
1223 1313
1224 config NO_EXCEPT_FILL 1314 config NO_EXCEPT_FILL
1225 bool 1315 bool
1226 1316
1227 config MIPS_SPRAM 1317 config MIPS_SPRAM
1228 bool 1318 bool
1229 1319
1230 config SWAP_IO_SPACE 1320 config SWAP_IO_SPACE
1231 bool 1321 bool
1232 1322
1233 config SGI_HAS_INDYDOG 1323 config SGI_HAS_INDYDOG
1234 bool 1324 bool
1235 1325
1236 config SGI_HAS_HAL2 1326 config SGI_HAS_HAL2
1237 bool 1327 bool
1238 1328
1239 config SGI_HAS_SEEQ 1329 config SGI_HAS_SEEQ
1240 bool 1330 bool
1241 1331
1242 config SGI_HAS_WD93 1332 config SGI_HAS_WD93
1243 bool 1333 bool
1244 1334
1245 config SGI_HAS_ZILOG 1335 config SGI_HAS_ZILOG
1246 bool 1336 bool
1247 1337
1248 config SGI_HAS_I8042 1338 config SGI_HAS_I8042
1249 bool 1339 bool
1250 1340
1251 config DEFAULT_SGI_PARTITION 1341 config DEFAULT_SGI_PARTITION
1252 bool 1342 bool
1253 1343
1254 config FW_ARC32 1344 config FW_ARC32
1255 bool 1345 bool
1256 1346
1257 config FW_SNIPROM 1347 config FW_SNIPROM
1258 bool 1348 bool
1259 1349
1260 config BOOT_ELF32 1350 config BOOT_ELF32
1261 bool 1351 bool
1262 1352
1263 config MIPS_L1_CACHE_SHIFT_4 1353 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1354 bool
1265 1355
1266 config MIPS_L1_CACHE_SHIFT_5 1356 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1357 bool
1268 1358
1269 config MIPS_L1_CACHE_SHIFT_6 1359 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1360 bool
1271 1361
1272 config MIPS_L1_CACHE_SHIFT_7 1362 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1363 bool
1274 1364
1275 config MIPS_L1_CACHE_SHIFT 1365 config MIPS_L1_CACHE_SHIFT
1276 int 1366 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1367 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1368 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1369 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1370 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1371 default "5"
1282 1372
1283 config ARC_CMDLINE_ONLY 1373 config ARC_CMDLINE_ONLY
1284 bool 1374 bool
1285 1375
1286 config ARC_CONSOLE 1376 config ARC_CONSOLE
1287 bool "ARC console support" 1377 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1378 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1379
1290 config ARC_MEMORY 1380 config ARC_MEMORY
1291 bool 1381 bool
1292 1382
1293 config ARC_PROMLIB 1383 config ARC_PROMLIB
1294 bool 1384 bool
1295 1385
1296 config FW_ARC64 1386 config FW_ARC64
1297 bool 1387 bool
1298 1388
1299 config BOOT_ELF64 1389 config BOOT_ELF64
1300 bool 1390 bool
1301 1391
1302 menu "CPU selection" 1392 menu "CPU selection"
1303 1393
1304 choice 1394 choice
1305 prompt "CPU type" 1395 prompt "CPU type"
1306 default CPU_R4X00 1396 default CPU_R4X00
1307 1397
1308 config CPU_LOONGSON64 1398 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1399 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1400 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1401 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1402 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1403 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1404 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1405 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1406 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1407 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1408 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1409 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1410 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1411 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1412 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1413 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1414 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1415 select GPIOLIB
1329 select SWIOTLB 1416 select SWIOTLB
>> 1417 select HAVE_KVM
1330 help 1418 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1419 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr !! 1420 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 !! 1421 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1422 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here !! 1423 Loongson-2E/2F is not covered here and will be removed in future.
>> 1424
>> 1425 config LOONGSON3_ENHANCEMENT
>> 1426 bool "New Loongson-3 CPU Enhancements"
>> 1427 default n
>> 1428 depends on CPU_LOONGSON64
>> 1429 help
>> 1430 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1431 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1432 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1433 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1434 Fast TLB refill support, etc.
>> 1435
>> 1436 This option enable those enhancements which are not probed at run
>> 1437 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1438 please say 'N' here. If you want a high-performance kernel to run on
>> 1439 new Loongson-3 machines only, please say 'Y' here.
>> 1440
>> 1441 config CPU_LOONGSON3_WORKAROUNDS
>> 1442 bool "Old Loongson-3 LLSC Workarounds"
>> 1443 default y if SMP
>> 1444 depends on CPU_LOONGSON64
>> 1445 help
>> 1446 Loongson-3 processors have the llsc issues which require workarounds.
>> 1447 Without workarounds the system may hang unexpectedly.
>> 1448
>> 1449 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1450 The workarounds have no significant side effect on them but may
>> 1451 decrease the performance of the system so this option should be
>> 1452 disabled unless the kernel is intended to be run on old systems.
>> 1453
>> 1454 If unsure, please say Y.
>> 1455
>> 1456 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1457 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1458 default y
>> 1459 depends on CPU_LOONGSON64
>> 1460 help
>> 1461 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1462 userland to query CPU capabilities, much like CPUID on x86. This
>> 1463 option provides emulation of the instruction on older Loongson
>> 1464 cores, back to Loongson-3A1000.
>> 1465
>> 1466 If unsure, please say Y.
1336 1467
1337 config CPU_LOONGSON2E 1468 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1469 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1470 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1471 select CPU_LOONGSON2EF
1341 help 1472 help
1342 The Loongson 2E processor implement 1473 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1474 with many extensions.
1344 1475
1345 It has an internal FPGA northbridge 1476 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1477 bonito64.
1347 1478
1348 config CPU_LOONGSON2F 1479 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1480 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1481 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1482 select CPU_LOONGSON2EF
>> 1483 select GPIOLIB
1352 help 1484 help
1353 The Loongson 2F processor implement 1485 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1486 with many extensions.
1355 1487
1356 Loongson2F have built-in DDR2 and P 1488 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1489 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1490 Loongson2E.
1359 1491
1360 config CPU_LOONGSON1B 1492 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1493 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1494 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1495 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1496 select LEDS_GPIO_REGISTER
1365 help 1497 help
1366 The Loongson 1B is a 32-bit SoC, wh 1498 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1499 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1500 instruction set.
1369 1501
1370 config CPU_LOONGSON1C 1502 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1503 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1504 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1505 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1506 select LEDS_GPIO_REGISTER
1375 help 1507 help
1376 The Loongson 1C is a 32-bit SoC, wh 1508 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1509 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1510 instruction set.
1379 1511
1380 config CPU_MIPS32_R1 1512 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1513 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1514 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1515 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1516 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1517 select CPU_SUPPORTS_HIGHMEM
1386 help 1518 help
1387 Choose this option to build a kerne 1519 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1520 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1521 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1522 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1523 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1524 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1525 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1526 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1527 performance.
1396 1528
1397 config CPU_MIPS32_R2 1529 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1530 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1531 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1532 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1533 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1534 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1535 select CPU_SUPPORTS_MSA
>> 1536 select HAVE_KVM
1404 help 1537 help
1405 Choose this option to build a kerne 1538 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1539 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1540 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1541 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1542 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1543
1411 config CPU_MIPS32_R5 1544 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1545 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1546 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1547 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1548 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1549 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1550 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1551 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1552 select MIPS_O32_FP64_SUPPORT
1420 help 1553 help
1421 Choose this option to build a kerne 1554 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1555 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1556 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1557 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1558
1426 config CPU_MIPS32_R6 1559 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1560 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1561 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1562 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1563 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1564 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1565 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1566 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1567 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1568 select MIPS_O32_FP64_SUPPORT
1436 help 1569 help
1437 Choose this option to build a kerne 1570 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1571 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1572 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1573 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1574
1442 config CPU_MIPS64_R1 1575 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1576 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1577 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1578 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1579 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1580 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1581 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1582 select CPU_SUPPORTS_HUGEPAGES
1450 help 1583 help
1451 Choose this option to build a kerne 1584 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1585 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1586 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1587 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1588 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1589 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1590 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1591 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1592 performance.
1460 1593
1461 config CPU_MIPS64_R2 1594 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1595 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1596 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1597 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1598 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1599 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1600 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1601 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1602 select CPU_SUPPORTS_MSA
>> 1603 select HAVE_KVM
1470 help 1604 help
1471 Choose this option to build a kerne 1605 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1606 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1607 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1608 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1609 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1610
1477 config CPU_MIPS64_R5 1611 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1612 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1613 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1614 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1615 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1616 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1617 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1618 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1619 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1620 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1621 select HAVE_KVM
1488 help 1622 help
1489 Choose this option to build a kerne 1623 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1624 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1625 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1626 any hardware known to be based on this release.
1493 1627
1494 config CPU_MIPS64_R6 1628 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1629 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1630 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1631 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1632 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1633 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1634 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1635 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1636 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1637 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1638 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1639 select HAVE_KVM
1506 help 1640 help
1507 Choose this option to build a kerne 1641 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1642 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1643 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1644 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1645
1512 config CPU_P5600 1646 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1647 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1648 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1649 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1650 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1651 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1652 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1653 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1654 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1655 select CPU_MIPSR2_IRQ_EI
>> 1656 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1657 select MIPS_O32_FP64_SUPPORT
1524 help 1658 help
1525 Choose this option to build a kerne 1659 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1660 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1661 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1662 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1663 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1664 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1665 eJTAG and PDtrace.
1532 1666
1533 config CPU_R3000 1667 config CPU_R3000
1534 bool "R3000" 1668 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1669 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1670 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1671 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1672 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1673 select CPU_SUPPORTS_HIGHMEM
1540 help 1674 help
1541 Please make sure to pick the right 1675 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1676 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1677 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1678 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1679 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1680 try to recompile with R3000.
1547 1681
>> 1682 config CPU_TX39XX
>> 1683 bool "R39XX"
>> 1684 depends on SYS_HAS_CPU_TX39XX
>> 1685 select CPU_SUPPORTS_32BIT_KERNEL
>> 1686 select CPU_R3K_TLB
>> 1687
>> 1688 config CPU_VR41XX
>> 1689 bool "R41xx"
>> 1690 depends on SYS_HAS_CPU_VR41XX
>> 1691 select CPU_SUPPORTS_32BIT_KERNEL
>> 1692 select CPU_SUPPORTS_64BIT_KERNEL
>> 1693 help
>> 1694 The options selects support for the NEC VR4100 series of processors.
>> 1695 Only choose this option if you have one of these processors as a
>> 1696 kernel built with this option will not run on any other type of
>> 1697 processor or vice versa.
>> 1698
1548 config CPU_R4300 1699 config CPU_R4300
1549 bool "R4300" 1700 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1701 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1702 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1703 select CPU_SUPPORTS_64BIT_KERNEL
>> 1704 select CPU_HAS_LOAD_STORE_LR
1553 help 1705 help
1554 MIPS Technologies R4300-series proc 1706 MIPS Technologies R4300-series processors.
1555 1707
1556 config CPU_R4X00 1708 config CPU_R4X00
1557 bool "R4x00" 1709 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1710 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1711 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1712 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1713 select CPU_SUPPORTS_HUGEPAGES
1562 help 1714 help
1563 MIPS Technologies R4000-series proc 1715 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1716 the R4000, R4400, R4600, and 4700.
1565 1717
1566 config CPU_TX49XX 1718 config CPU_TX49XX
1567 bool "R49XX" 1719 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1720 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1721 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1722 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1723 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1724 select CPU_SUPPORTS_HUGEPAGES
1573 1725
1574 config CPU_R5000 1726 config CPU_R5000
1575 bool "R5000" 1727 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1728 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1729 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1730 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1731 select CPU_SUPPORTS_HUGEPAGES
1580 help 1732 help
1581 MIPS Technologies R5000-series proc 1733 MIPS Technologies R5000-series processors other than the Nevada.
1582 1734
1583 config CPU_R5500 1735 config CPU_R5500
1584 bool "R5500" 1736 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1737 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1738 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1739 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1740 select CPU_SUPPORTS_HUGEPAGES
1589 help 1741 help
1590 NEC VR5500 and VR5500A series proce 1742 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1743 instruction set.
1592 1744
1593 config CPU_NEVADA 1745 config CPU_NEVADA
1594 bool "RM52xx" 1746 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1747 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1748 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1749 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1750 select CPU_SUPPORTS_HUGEPAGES
1599 help 1751 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1752 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1753
1602 config CPU_R10000 1754 config CPU_R10000
1603 bool "R10000" 1755 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1756 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1757 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1758 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1759 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1760 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1761 select CPU_SUPPORTS_HUGEPAGES
1610 help 1762 help
1611 MIPS Technologies R10000-series pro 1763 MIPS Technologies R10000-series processors.
1612 1764
1613 config CPU_RM7000 1765 config CPU_RM7000
1614 bool "RM7000" 1766 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1767 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1768 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1769 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1770 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1771 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1772 select CPU_SUPPORTS_HUGEPAGES
1621 1773
1622 config CPU_SB1 1774 config CPU_SB1
1623 bool "SB1" 1775 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1776 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1777 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1778 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1779 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1780 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1781 select WEAK_ORDERING
1630 1782
1631 config CPU_CAVIUM_OCTEON 1783 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1784 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1785 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1786 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1787 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 1788 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1789 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1790 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1791 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1792 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1793 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1794 select HAVE_KVM
1645 help 1795 help
1646 The Cavium Octeon processor is a hi 1796 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1797 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1798 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1799 Full details can be found at http://www.caviumnetworks.com.
1650 1800
1651 config CPU_BMIPS 1801 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1802 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1803 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1804 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1805 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1806 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1807 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1808 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1809 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1810 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1811 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1812 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1813 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1814 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1815 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1816 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1817 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1818 help
1670 Support for BMIPS32/3300/4350/4380 1819 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1820
1672 endchoice !! 1821 config CPU_XLR
1673 !! 1822 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1823 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1824 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1825 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1826 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1827 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1828 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1829 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 1830 help
1695 Loongson-3 processors have the llsc !! 1831 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 1832
1698 Say Y, unless you know what you are !! 1833 config CPU_XLP
1699 !! 1834 bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1835 depends on SYS_HAS_CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1836 select CPU_SUPPORTS_32BIT_KERNEL
1702 default y !! 1837 select CPU_SUPPORTS_64BIT_KERNEL
1703 depends on CPU_LOONGSON64 !! 1838 select CPU_SUPPORTS_HIGHMEM
>> 1839 select WEAK_ORDERING
>> 1840 select WEAK_REORDERING_BEYOND_LLSC
>> 1841 select CPU_HAS_PREFETCH
>> 1842 select CPU_MIPSR2
>> 1843 select CPU_SUPPORTS_HUGEPAGES
>> 1844 select MIPS_ASID_BITS_VARIABLE
1704 help 1845 help
1705 Loongson-3A R4 and newer have the C !! 1846 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1847 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1848
1712 config CPU_MIPS32_3_5_FEATURES 1849 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1850 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1851 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1852 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1853 CPU_P5600
1717 help 1854 help
1718 Choose this option to build a kerne 1855 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1856 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1857 support for Enhanced Virtual Addressing (EVA).
1721 1858
1722 config CPU_MIPS32_3_5_EVA 1859 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1860 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1861 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1862 select EVA
1726 default y 1863 default y
1727 help 1864 help
1728 Choose this option if you want to e 1865 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1866 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1867 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1868 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1869
1733 config CPU_MIPS32_R5_FEATURES 1870 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1871 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1872 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1873 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1874 help
1738 Choose this option to build a kerne 1875 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1876 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1877 support for Extended Physical Addressing (XPA).
1741 1878
1742 config CPU_MIPS32_R5_XPA 1879 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1880 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1881 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1882 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1883 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1884 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1885 select XPA
1749 select HIGHMEM 1886 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1887 select PHYS_ADDR_T_64BIT
1751 default n 1888 default n
1752 help 1889 help
1753 Choose this option if you want to e 1890 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1891 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1892 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1893 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1894 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1895 If unsure, say 'N' here.
1759 1896
1760 if CPU_LOONGSON2F 1897 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1898 config CPU_NOP_WORKAROUNDS
1762 bool 1899 bool
1763 1900
1764 config CPU_JUMP_WORKAROUNDS 1901 config CPU_JUMP_WORKAROUNDS
1765 bool 1902 bool
1766 1903
1767 config CPU_LOONGSON2F_WORKAROUNDS 1904 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1905 bool "Loongson 2F Workarounds"
1769 default y 1906 default y
1770 select CPU_NOP_WORKAROUNDS 1907 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1908 select CPU_JUMP_WORKAROUNDS
1772 help 1909 help
1773 Loongson 2F01 / 2F02 processors hav 1910 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1911 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1912 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1913 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1914
1778 Loongson 2F03 and later have fixed 1915 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1916 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1917 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1918 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1919 systems.
1783 1920
1784 If unsure, please say Y. 1921 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1922 endif # CPU_LOONGSON2F
1786 1923
1787 config SYS_SUPPORTS_ZBOOT 1924 config SYS_SUPPORTS_ZBOOT
1788 bool 1925 bool
1789 select HAVE_KERNEL_GZIP 1926 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1927 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1928 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1929 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1930 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1931 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1932 select HAVE_KERNEL_ZSTD
1796 1933
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1934 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1935 bool
1799 select SYS_SUPPORTS_ZBOOT 1936 select SYS_SUPPORTS_ZBOOT
1800 1937
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1938 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1939 bool
1803 select SYS_SUPPORTS_ZBOOT 1940 select SYS_SUPPORTS_ZBOOT
1804 1941
1805 config CPU_LOONGSON2EF 1942 config CPU_LOONGSON2EF
1806 bool 1943 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1944 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1945 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1946 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1947 select CPU_SUPPORTS_HUGEPAGES
>> 1948 select ARCH_HAS_PHYS_TO_DMA
1811 1949
1812 config CPU_LOONGSON32 1950 config CPU_LOONGSON32
1813 bool 1951 bool
1814 select CPU_MIPS32 1952 select CPU_MIPS32
1815 select CPU_MIPSR2 1953 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1954 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1955 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1956 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1957 select CPU_SUPPORTS_CPUFREQ
1820 1958
1821 config CPU_BMIPS32_3300 1959 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1960 select SMP_UP if SMP
1823 bool 1961 bool
1824 1962
1825 config CPU_BMIPS4350 1963 config CPU_BMIPS4350
1826 bool 1964 bool
1827 select SYS_SUPPORTS_SMP 1965 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1966 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1967
1830 config CPU_BMIPS4380 1968 config CPU_BMIPS4380
1831 bool 1969 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1970 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1971 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1972 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1973 select CPU_HAS_RIXI
1836 1974
1837 config CPU_BMIPS5000 1975 config CPU_BMIPS5000
1838 bool 1976 bool
1839 select MIPS_CPU_SCACHE 1977 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1978 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1979 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1980 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1981 select CPU_HAS_RIXI
1844 1982
1845 config SYS_HAS_CPU_LOONGSON64 1983 config SYS_HAS_CPU_LOONGSON64
1846 bool 1984 bool
1847 select CPU_SUPPORTS_CPUFREQ 1985 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1986 select CPU_HAS_RIXI
1849 1987
1850 config SYS_HAS_CPU_LOONGSON2E 1988 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1989 bool
1852 1990
1853 config SYS_HAS_CPU_LOONGSON2F 1991 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1992 bool
1855 select CPU_SUPPORTS_CPUFREQ 1993 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1994 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1995
1858 config SYS_HAS_CPU_LOONGSON1B 1996 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1997 bool
1860 1998
1861 config SYS_HAS_CPU_LOONGSON1C 1999 config SYS_HAS_CPU_LOONGSON1C
1862 bool 2000 bool
1863 2001
1864 config SYS_HAS_CPU_MIPS32_R1 2002 config SYS_HAS_CPU_MIPS32_R1
1865 bool 2003 bool
1866 2004
1867 config SYS_HAS_CPU_MIPS32_R2 2005 config SYS_HAS_CPU_MIPS32_R2
1868 bool 2006 bool
1869 2007
1870 config SYS_HAS_CPU_MIPS32_R3_5 2008 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 2009 bool
1872 2010
1873 config SYS_HAS_CPU_MIPS32_R5 2011 config SYS_HAS_CPU_MIPS32_R5
1874 bool 2012 bool
>> 2013 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 2014
1876 config SYS_HAS_CPU_MIPS32_R6 2015 config SYS_HAS_CPU_MIPS32_R6
1877 bool 2016 bool
>> 2017 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 2018
1879 config SYS_HAS_CPU_MIPS64_R1 2019 config SYS_HAS_CPU_MIPS64_R1
1880 bool 2020 bool
1881 2021
1882 config SYS_HAS_CPU_MIPS64_R2 2022 config SYS_HAS_CPU_MIPS64_R2
1883 bool 2023 bool
1884 2024
1885 config SYS_HAS_CPU_MIPS64_R5 <<
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 2025 config SYS_HAS_CPU_MIPS64_R6
1889 bool 2026 bool
>> 2027 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 2028
1891 config SYS_HAS_CPU_P5600 2029 config SYS_HAS_CPU_P5600
1892 bool 2030 bool
>> 2031 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 2032
1894 config SYS_HAS_CPU_R3000 2033 config SYS_HAS_CPU_R3000
1895 bool 2034 bool
1896 2035
>> 2036 config SYS_HAS_CPU_TX39XX
>> 2037 bool
>> 2038
>> 2039 config SYS_HAS_CPU_VR41XX
>> 2040 bool
>> 2041
1897 config SYS_HAS_CPU_R4300 2042 config SYS_HAS_CPU_R4300
1898 bool 2043 bool
1899 2044
1900 config SYS_HAS_CPU_R4X00 2045 config SYS_HAS_CPU_R4X00
1901 bool 2046 bool
1902 2047
1903 config SYS_HAS_CPU_TX49XX 2048 config SYS_HAS_CPU_TX49XX
1904 bool 2049 bool
1905 2050
1906 config SYS_HAS_CPU_R5000 2051 config SYS_HAS_CPU_R5000
1907 bool 2052 bool
1908 2053
1909 config SYS_HAS_CPU_R5500 2054 config SYS_HAS_CPU_R5500
1910 bool 2055 bool
1911 2056
1912 config SYS_HAS_CPU_NEVADA 2057 config SYS_HAS_CPU_NEVADA
1913 bool 2058 bool
1914 2059
1915 config SYS_HAS_CPU_R10000 2060 config SYS_HAS_CPU_R10000
1916 bool 2061 bool
>> 2062 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2063
1918 config SYS_HAS_CPU_RM7000 2064 config SYS_HAS_CPU_RM7000
1919 bool 2065 bool
1920 2066
1921 config SYS_HAS_CPU_SB1 2067 config SYS_HAS_CPU_SB1
1922 bool 2068 bool
1923 2069
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2070 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2071 bool
1926 2072
1927 config SYS_HAS_CPU_BMIPS 2073 config SYS_HAS_CPU_BMIPS
1928 bool 2074 bool
1929 2075
1930 config SYS_HAS_CPU_BMIPS32_3300 2076 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2077 bool
1932 select SYS_HAS_CPU_BMIPS 2078 select SYS_HAS_CPU_BMIPS
1933 2079
1934 config SYS_HAS_CPU_BMIPS4350 2080 config SYS_HAS_CPU_BMIPS4350
1935 bool 2081 bool
1936 select SYS_HAS_CPU_BMIPS 2082 select SYS_HAS_CPU_BMIPS
1937 2083
1938 config SYS_HAS_CPU_BMIPS4380 2084 config SYS_HAS_CPU_BMIPS4380
1939 bool 2085 bool
1940 select SYS_HAS_CPU_BMIPS 2086 select SYS_HAS_CPU_BMIPS
1941 2087
1942 config SYS_HAS_CPU_BMIPS5000 2088 config SYS_HAS_CPU_BMIPS5000
1943 bool 2089 bool
1944 select SYS_HAS_CPU_BMIPS 2090 select SYS_HAS_CPU_BMIPS
>> 2091 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2092
>> 2093 config SYS_HAS_CPU_XLR
>> 2094 bool
>> 2095
>> 2096 config SYS_HAS_CPU_XLP
>> 2097 bool
1945 2098
1946 # 2099 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2100 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2101 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2102 #
1950 config WEAK_ORDERING 2103 config WEAK_ORDERING
1951 bool 2104 bool
1952 2105
1953 # 2106 #
1954 # CPU may reorder reads and writes beyond LL/ 2107 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2108 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2109 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2110 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2111 bool
1959 endmenu 2112 endmenu
1960 2113
1961 # 2114 #
1962 # These two indicate any level of the MIPS32 2115 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2116 #
1964 config CPU_MIPS32 2117 config CPU_MIPS32
1965 bool 2118 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2119 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2120 CPU_MIPS32_R6 || CPU_P5600
1968 2121
1969 config CPU_MIPS64 2122 config CPU_MIPS64
1970 bool 2123 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2124 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 2125 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 2126
1974 # 2127 #
1975 # These indicate the revision of the architec 2128 # These indicate the revision of the architecture
1976 # 2129 #
1977 config CPU_MIPSR1 2130 config CPU_MIPSR1
1978 bool 2131 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2132 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2133
1981 config CPU_MIPSR2 2134 config CPU_MIPSR2
1982 bool 2135 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2136 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2137 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2138 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2139 select MIPS_SPRAM
1987 2140
1988 config CPU_MIPSR5 2141 config CPU_MIPSR5
1989 bool 2142 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2143 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2144 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2145 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2146 select MIPS_SPRAM
1994 2147
1995 config CPU_MIPSR6 2148 config CPU_MIPSR6
1996 bool 2149 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2150 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2151 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2152 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2153 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2154 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2155 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2156 select MIPS_SPRAM
2004 2157
2005 config TARGET_ISA_REV 2158 config TARGET_ISA_REV
2006 int 2159 int
2007 default 1 if CPU_MIPSR1 2160 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2161 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2162 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2163 default 6 if CPU_MIPSR6
2011 default 0 2164 default 0
2012 help 2165 help
2013 Reflects the ISA revision being tar 2166 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2167 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2168
2016 config EVA 2169 config EVA
2017 bool 2170 bool
2018 2171
2019 config XPA 2172 config XPA
2020 bool 2173 bool
2021 2174
2022 config SYS_SUPPORTS_32BIT_KERNEL 2175 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2176 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2177 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2178 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2179 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2180 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2181 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2182 bool
2030 config CPU_SUPPORTS_CPUFREQ 2183 config CPU_SUPPORTS_CPUFREQ
2031 bool 2184 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2185 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2186 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2187 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2188 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2189 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2190 config MIPS_PGD_C0_CONTEXT
2040 bool 2191 bool
2041 depends on 64BIT 2192 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR !! 2193 default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2043 2194
2044 # 2195 #
2045 # Set to y for ptrace access to watch registe 2196 # Set to y for ptrace access to watch registers.
2046 # 2197 #
2047 config HARDWARE_WATCHPOINTS 2198 config HARDWARE_WATCHPOINTS
2048 bool 2199 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2200 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2201
2051 menu "Kernel type" 2202 menu "Kernel type"
2052 2203
2053 choice 2204 choice
2054 prompt "Kernel code model" 2205 prompt "Kernel code model"
2055 help 2206 help
2056 You should only select this option 2207 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2208 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2209 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2210 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2211
2061 config 32BIT 2212 config 32BIT
2062 bool "32-bit kernel" 2213 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2214 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2215 select TRAD_SIGNALS
2065 help 2216 help
2066 Select this option if you want to b 2217 Select this option if you want to build a 32-bit kernel.
2067 2218
2068 config 64BIT 2219 config 64BIT
2069 bool "64-bit kernel" 2220 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2221 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2222 help
2072 Select this option if you want to b 2223 Select this option if you want to build a 64-bit kernel.
2073 2224
2074 endchoice 2225 endchoice
2075 2226
2076 config MIPS_VA_BITS_48 2227 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2228 bool "48 bits virtual memory"
2078 depends on 64BIT 2229 depends on 64BIT
2079 help 2230 help
2080 Support a maximum at least 48 bits 2231 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2232 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2233 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2234 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2235 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2236 overhead as well as slower TLB fault handling.
2086 2237
2087 If unsure, say N. 2238 If unsure, say N.
2088 2239
2089 config ZBOOT_LOAD_ADDRESS !! 2240 choice
2090 hex "Compressed kernel load address" !! 2241 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2242 default PAGE_SIZE_4KB
2092 default 0x0 <<
2093 depends on SYS_SUPPORTS_ZBOOT <<
2094 help <<
2095 The address to load compressed kern <<
2096 2243
2097 This is only used if non-zero. !! 2244 config PAGE_SIZE_4KB
>> 2245 bool "4kB"
>> 2246 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2247 help
>> 2248 This option select the standard 4kB Linux page size. On some
>> 2249 R3000-family processors this is the only available page size. Using
>> 2250 4kB page size will minimize memory consumption and is therefore
>> 2251 recommended for low memory systems.
>> 2252
>> 2253 config PAGE_SIZE_8KB
>> 2254 bool "8kB"
>> 2255 depends on CPU_CAVIUM_OCTEON
>> 2256 depends on !MIPS_VA_BITS_48
>> 2257 help
>> 2258 Using 8kB page size will result in higher performance kernel at
>> 2259 the price of higher memory consumption. This option is available
>> 2260 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2261 distribution to support this.
>> 2262
>> 2263 config PAGE_SIZE_16KB
>> 2264 bool "16kB"
>> 2265 depends on !CPU_R3000 && !CPU_TX39XX
>> 2266 help
>> 2267 Using 16kB page size will result in higher performance kernel at
>> 2268 the price of higher memory consumption. This option is available on
>> 2269 all non-R3000 family processors. Note that you will need a suitable
>> 2270 Linux distribution to support this.
>> 2271
>> 2272 config PAGE_SIZE_32KB
>> 2273 bool "32kB"
>> 2274 depends on CPU_CAVIUM_OCTEON
>> 2275 depends on !MIPS_VA_BITS_48
>> 2276 help
>> 2277 Using 32kB page size will result in higher performance kernel at
>> 2278 the price of higher memory consumption. This option is available
>> 2279 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2280 distribution to support this.
>> 2281
>> 2282 config PAGE_SIZE_64KB
>> 2283 bool "64kB"
>> 2284 depends on !CPU_R3000 && !CPU_TX39XX
>> 2285 help
>> 2286 Using 64kB page size will result in higher performance kernel at
>> 2287 the price of higher memory consumption. This option is available on
>> 2288 all non-R3000 family processor. Not that at the time of this
>> 2289 writing this option is still high experimental.
2098 2290
2099 config ARCH_FORCE_MAX_ORDER !! 2291 endchoice
>> 2292
>> 2293 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2294 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2295 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2296 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2297 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2298 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2299 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2300 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2301 range 0 64
>> 2302 default "11"
2105 help 2303 help
2106 The kernel memory allocator divides 2304 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2305 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2306 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2307 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2308 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2309 increase this value.
2112 2310
>> 2311 This config option is actually maximum order plus one. For example,
>> 2312 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2313
2113 The page size is not necessarily 4K 2314 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2315 when choosing a value for this option.
2115 2316
2116 config BOARD_SCACHE 2317 config BOARD_SCACHE
2117 bool 2318 bool
2118 2319
2119 config IP22_CPU_SCACHE 2320 config IP22_CPU_SCACHE
2120 bool 2321 bool
2121 select BOARD_SCACHE 2322 select BOARD_SCACHE
2122 2323
2123 # 2324 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2325 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2326 #
2126 config MIPS_CPU_SCACHE 2327 config MIPS_CPU_SCACHE
2127 bool 2328 bool
2128 select BOARD_SCACHE 2329 select BOARD_SCACHE
2129 2330
2130 config R5000_CPU_SCACHE 2331 config R5000_CPU_SCACHE
2131 bool 2332 bool
2132 select BOARD_SCACHE 2333 select BOARD_SCACHE
2133 2334
2134 config RM7000_CPU_SCACHE 2335 config RM7000_CPU_SCACHE
2135 bool 2336 bool
2136 select BOARD_SCACHE 2337 select BOARD_SCACHE
2137 2338
2138 config SIBYTE_DMA_PAGEOPS 2339 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2340 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2341 depends on CPU_SB1
2141 help 2342 help
2142 Instead of using the CPU to zero an 2343 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2344 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2345 SiByte Linux port. Seems to give a small performance benefit.
2145 2346
2146 config CPU_HAS_PREFETCH 2347 config CPU_HAS_PREFETCH
2147 bool 2348 bool
2148 2349
2149 config CPU_GENERIC_DUMP_TLB 2350 config CPU_GENERIC_DUMP_TLB
2150 bool 2351 bool
2151 default y if !CPU_R3000 !! 2352 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2353
2153 config MIPS_FP_SUPPORT 2354 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2355 bool "Floating Point support" if EXPERT
2155 default y 2356 default y
2156 help 2357 help
2157 Select y to include support for flo 2358 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2359 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2360 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2361 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2362 receive a SIGILL.
2162 2363
2163 If you know that your userland will 2364 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2365 instructions then you can say n here to shrink the kernel a little.
2165 2366
2166 If unsure, say y. 2367 If unsure, say y.
2167 2368
2168 config CPU_R2300_FPU 2369 config CPU_R2300_FPU
2169 bool 2370 bool
2170 depends on MIPS_FP_SUPPORT 2371 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2372 default y if CPU_R3000 || CPU_TX39XX
2172 2373
2173 config CPU_R3K_TLB 2374 config CPU_R3K_TLB
2174 bool 2375 bool
2175 2376
2176 config CPU_R4K_FPU 2377 config CPU_R4K_FPU
2177 bool 2378 bool
2178 depends on MIPS_FP_SUPPORT 2379 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2380 default y if !CPU_R2300_FPU
2180 2381
2181 config CPU_R4K_CACHE_TLB 2382 config CPU_R4K_CACHE_TLB
2182 bool 2383 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2384 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2385
2185 config MIPS_MT_SMP 2386 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2387 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2388 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2389 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2390 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2391 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2392 select SYNC_R4K
2193 select MIPS_MT 2393 select MIPS_MT
2194 select SMP 2394 select SMP
2195 select SMP_UP 2395 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2396 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2397 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2398 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2399 help
2200 This is a kernel model which is kno 2400 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2401 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2402 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2403 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2404 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2405
2206 config MIPS_MT 2406 config MIPS_MT
2207 bool 2407 bool
2208 2408
2209 config SCHED_SMT 2409 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2410 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2411 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2412 default n
2213 help 2413 help
2214 SMT scheduler support improves the 2414 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2415 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2416 increased overhead in some places. If unsure say N here.
2217 2417
2218 config SYS_SUPPORTS_SCHED_SMT 2418 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2419 bool
2220 2420
2221 config SYS_SUPPORTS_MULTITHREADING 2421 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2422 bool
2223 2423
2224 config MIPS_MT_FPAFF 2424 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2425 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2426 default y
2227 depends on MIPS_MT_SMP 2427 depends on MIPS_MT_SMP
2228 2428
2229 config MIPSR2_TO_R6_EMULATOR 2429 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2430 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2431 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2432 depends on MIPS_FP_SUPPORT
2233 default y 2433 default y
2234 help 2434 help
2235 Choose this option if you want to r 2435 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2436 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2437 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2438 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2439 final kernel image.
2240 2440
2241 config SYS_SUPPORTS_VPE_LOADER 2441 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2442 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2443 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2444 help
2245 Indicates that the platform support 2445 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2446 physical_memsize.
2247 2447
2248 config MIPS_VPE_LOADER 2448 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2449 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2450 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2451 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2452 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2453 select MIPS_MT
2254 help 2454 help
2255 Includes a loader for loading an el 2455 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2456 onto another VPE and running it.
2257 2457
>> 2458 config MIPS_VPE_LOADER_CMP
>> 2459 bool
>> 2460 default "y"
>> 2461 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2462
2258 config MIPS_VPE_LOADER_MT 2463 config MIPS_VPE_LOADER_MT
2259 bool 2464 bool
2260 default "y" 2465 default "y"
2261 depends on MIPS_VPE_LOADER !! 2466 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2467
2263 config MIPS_VPE_LOADER_TOM 2468 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2469 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2470 depends on MIPS_VPE_LOADER
2266 default y 2471 default y
2267 help 2472 help
2268 The loader can use memory that is p 2473 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2474 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2475 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2476 program requires is less or equal to the amount physically present.
2272 2477
2273 config MIPS_VPE_APSP_API 2478 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2479 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2480 depends on MIPS_VPE_LOADER
2276 2481
>> 2482 config MIPS_VPE_APSP_API_CMP
>> 2483 bool
>> 2484 default "y"
>> 2485 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2486
2277 config MIPS_VPE_APSP_API_MT 2487 config MIPS_VPE_APSP_API_MT
2278 bool 2488 bool
2279 default "y" 2489 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2490 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2491
>> 2492 config MIPS_CMP
>> 2493 bool "MIPS CMP framework support (DEPRECATED)"
>> 2494 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2495 select SMP
>> 2496 select SYNC_R4K
>> 2497 select SYS_SUPPORTS_SMP
>> 2498 select WEAK_ORDERING
>> 2499 default n
>> 2500 help
>> 2501 Select this if you are using a bootloader which implements the "CMP
>> 2502 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2503 its ability to start secondary CPUs.
>> 2504
>> 2505 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2506 instead of this.
2281 2507
2282 config MIPS_CPS 2508 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2509 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2510 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2511 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2512 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2513 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2514 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2515 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2516 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2517 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2518 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2519 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2520 help
2296 Select this if you wish to run an S 2521 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2522 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2523 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2524 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2525 support is unavailable.
2301 2526
2302 config MIPS_CPS_PM 2527 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2528 depends on MIPS_CPS
2304 bool 2529 bool
2305 2530
2306 config MIPS_CM 2531 config MIPS_CM
2307 bool 2532 bool
2308 select MIPS_CPC 2533 select MIPS_CPC
2309 2534
2310 config MIPS_CPC 2535 config MIPS_CPC
2311 bool 2536 bool
2312 2537
2313 config SB1_PASS_2_WORKAROUNDS 2538 config SB1_PASS_2_WORKAROUNDS
2314 bool 2539 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2540 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2541 default y
2317 2542
2318 config SB1_PASS_2_1_WORKAROUNDS 2543 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2544 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2545 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2546 default y
2322 2547
2323 choice 2548 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2549 prompt "SmartMIPS or microMIPS ASE support"
2325 2550
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2551 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2552 bool "None"
2328 help 2553 help
2329 Select this if you want neither mic 2554 Select this if you want neither microMIPS nor SmartMIPS support
2330 2555
2331 config CPU_HAS_SMARTMIPS 2556 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2557 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2558 bool "SmartMIPS"
2334 help 2559 help
2335 SmartMIPS is a extension of the MIP 2560 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2561 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2562 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2563 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2564 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2565 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2566 here.
2342 2567
2343 config CPU_MICROMIPS 2568 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2569 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2570 bool "microMIPS"
2346 help 2571 help
2347 When this option is enabled the ker 2572 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2573 microMIPS ISA
2349 2574
2350 endchoice 2575 endchoice
2351 2576
2352 config CPU_HAS_MSA 2577 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2578 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2579 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2580 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2581 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2582 help
2358 MIPS SIMD Architecture (MSA) introd 2583 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2584 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2585 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2586 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2587 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2588 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2589 the size & complexity of your kernel.
2365 2590
2366 If unsure, say Y. 2591 If unsure, say Y.
2367 2592
2368 config CPU_HAS_WB 2593 config CPU_HAS_WB
2369 bool 2594 bool
2370 2595
2371 config XKS01 2596 config XKS01
2372 bool 2597 bool
2373 2598
2374 config CPU_HAS_DIEI 2599 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2600 depends on !CPU_DIEI_BROKEN
2376 bool 2601 bool
2377 2602
2378 config CPU_DIEI_BROKEN 2603 config CPU_DIEI_BROKEN
2379 bool 2604 bool
2380 2605
2381 config CPU_HAS_RIXI 2606 config CPU_HAS_RIXI
2382 bool 2607 bool
2383 2608
2384 config CPU_NO_LOAD_STORE_LR 2609 config CPU_NO_LOAD_STORE_LR
2385 bool 2610 bool
2386 help 2611 help
2387 CPU lacks support for unaligned loa 2612 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2613 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2614 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2615 systems).
2391 2616
2392 # 2617 #
2393 # Vectored interrupt mode is an R2 feature 2618 # Vectored interrupt mode is an R2 feature
2394 # 2619 #
2395 config CPU_MIPSR2_IRQ_VI 2620 config CPU_MIPSR2_IRQ_VI
2396 bool 2621 bool
2397 2622
2398 # 2623 #
2399 # Extended interrupt mode is an R2 feature 2624 # Extended interrupt mode is an R2 feature
2400 # 2625 #
2401 config CPU_MIPSR2_IRQ_EI 2626 config CPU_MIPSR2_IRQ_EI
2402 bool 2627 bool
2403 2628
2404 config CPU_HAS_SYNC 2629 config CPU_HAS_SYNC
2405 bool 2630 bool
2406 depends on !CPU_R3000 2631 depends on !CPU_R3000
2407 default y 2632 default y
2408 2633
2409 # 2634 #
2410 # CPU non-features 2635 # CPU non-features
2411 # 2636 #
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 2637 config CPU_DADDI_WORKAROUNDS
2427 bool 2638 bool
2428 2639
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 2640 config CPU_R4000_WORKAROUNDS
2448 bool 2641 bool
2449 select CPU_R4400_WORKAROUNDS 2642 select CPU_R4400_WORKAROUNDS
2450 2643
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 2644 config CPU_R4400_WORKAROUNDS
2458 bool 2645 bool
2459 2646
2460 config CPU_R4X00_BUGS64 2647 config CPU_R4X00_BUGS64
2461 bool 2648 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2649 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2650
2464 config MIPS_ASID_SHIFT 2651 config MIPS_ASID_SHIFT
2465 int 2652 int
2466 default 6 if CPU_R3000 !! 2653 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2654 default 0
2468 2655
2469 config MIPS_ASID_BITS 2656 config MIPS_ASID_BITS
2470 int 2657 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2658 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2659 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2660 default 8
2474 2661
2475 config MIPS_ASID_BITS_VARIABLE 2662 config MIPS_ASID_BITS_VARIABLE
2476 bool 2663 bool
2477 2664
2478 config MIPS_CRC_SUPPORT 2665 config MIPS_CRC_SUPPORT
2479 bool 2666 bool
2480 2667
2481 # R4600 erratum. Due to the lack of errata i 2668 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2669 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2670 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2671 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2672 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2673 bool
2487 2674
2488 # Pleasures of the R4600 V1.x. Cite from the 2675 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2676 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2677 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2678 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2679 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2680 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2681 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2682 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2683 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2684 # four instructions that are not any kind of load or store
2498 # instruction. 2685 # instruction.
2499 # 2686 #
2500 # This is not allowed: lw 2687 # This is not allowed: lw
2501 # nop 2688 # nop
2502 # nop 2689 # nop
2503 # nop 2690 # nop
2504 # cache Hi 2691 # cache Hit_Writeback_Invalidate_D
2505 # 2692 #
2506 # This is allowed: lw 2693 # This is allowed: lw
2507 # nop 2694 # nop
2508 # nop 2695 # nop
2509 # nop 2696 # nop
2510 # nop 2697 # nop
2511 # cache Hi 2698 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2699 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2700 bool
2514 2701
2515 # Writeback and invalidate the primary cache 2702 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2703 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2704 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2705 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2706 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2707 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2708 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2709 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2710 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2711 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2712 bool
2526 2713
2527 # From TX49/H2 manual: "If the instruction (i 2714 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2715 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2716 # operation is not guaranteed."
2530 # 2717 #
2531 # Workaround: do two phase flushing for Index 2718 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2719 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2720 bool
2534 2721
2535 # The RM7000 processors and the E9000 cores h 2722 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2723 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2724 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2725 # exceptions.
2539 config WAR_ICACHE_REFILLS 2726 config WAR_ICACHE_REFILLS
2540 bool 2727 bool
2541 2728
2542 # On the R10000 up to version 2.6 (not sure a 2729 # 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 2730 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2731 config WAR_R10000_LLSC
2545 bool 2732 bool
2546 2733
2547 # 34K core erratum: "Problems Executing the T 2734 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2735 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2736 bool
2550 2737
2551 # 2738 #
2552 # - Highmem only makes sense for the 32-bit k 2739 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2740 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2741 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2742 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2743 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2744 # 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 2745 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2746 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2747 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2748 # know they might have memory configurations that could make use of highmem
2562 # support. 2749 # support.
2563 # 2750 #
2564 config HIGHMEM 2751 config HIGHMEM
2565 bool "High Memory Support" 2752 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2753 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2754 select KMAP_LOCAL
2568 2755
2569 config CPU_SUPPORTS_HIGHMEM 2756 config CPU_SUPPORTS_HIGHMEM
2570 bool 2757 bool
2571 2758
2572 config SYS_SUPPORTS_HIGHMEM 2759 config SYS_SUPPORTS_HIGHMEM
2573 bool 2760 bool
2574 2761
2575 config SYS_SUPPORTS_SMARTMIPS 2762 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2763 bool
2577 2764
2578 config SYS_SUPPORTS_MICROMIPS 2765 config SYS_SUPPORTS_MICROMIPS
2579 bool 2766 bool
2580 2767
2581 config SYS_SUPPORTS_MIPS16 2768 config SYS_SUPPORTS_MIPS16
2582 bool 2769 bool
2583 help 2770 help
2584 This option must be set if a kernel 2771 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2772 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2773 words, it makes the kernel MIPS16-tolerant.
2587 2774
2588 config CPU_SUPPORTS_MSA 2775 config CPU_SUPPORTS_MSA
2589 bool 2776 bool
2590 2777
2591 config ARCH_FLATMEM_ENABLE 2778 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2779 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2780 depends on !NUMA && !CPU_LOONGSON2EF
2594 2781
2595 config ARCH_SPARSEMEM_ENABLE 2782 config ARCH_SPARSEMEM_ENABLE
2596 bool 2783 bool
>> 2784 select SPARSEMEM_STATIC if !SGI_IP27
2597 2785
2598 config NUMA 2786 config NUMA
2599 bool "NUMA Support" 2787 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2788 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2789 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2790 help
2605 Say Y to compile the kernel to supp 2791 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2792 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2793 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2794 leave it disabled; on single node systems leave this option
2609 disabled. 2795 disabled.
2610 2796
2611 config SYS_SUPPORTS_NUMA 2797 config SYS_SUPPORTS_NUMA
2612 bool 2798 bool
2613 2799
>> 2800 config HAVE_SETUP_PER_CPU_AREA
>> 2801 def_bool y
>> 2802 depends on NUMA
>> 2803
>> 2804 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2805 def_bool y
>> 2806 depends on NUMA
>> 2807
2614 config RELOCATABLE 2808 config RELOCATABLE
2615 bool "Relocatable kernel" 2809 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2810 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2811 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2812 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2813 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2814 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2815 CPU_LOONGSON64
2622 help 2816 help
2623 This builds a kernel image that ret 2817 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2818 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2819 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2820 but are discarded at runtime
2627 2821
2628 config RELOCATION_TABLE_SIZE 2822 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2823 hex "Relocation table size"
2630 depends on RELOCATABLE 2824 depends on RELOCATABLE
2631 range 0x0 0x01000000 2825 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2826 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2827 default "0x00100000"
2634 help 2828 help
2635 A table of relocation data will be 2829 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2830 and parsed at boot to fix up the relocated kernel.
2637 2831
2638 This option allows the amount of sp 2832 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2833 adjusted, although the default of 1Mb should be ok in most cases.
2640 2834
2641 The build will fail and a valid siz 2835 The build will fail and a valid size suggested if this is too small.
2642 2836
2643 If unsure, leave at the default val 2837 If unsure, leave at the default value.
2644 2838
2645 config RANDOMIZE_BASE 2839 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2840 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2841 depends on RELOCATABLE
2648 help 2842 help
2649 Randomizes the physical and virtual 2843 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2844 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2845 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2846 of kernel internals.
2653 2847
2654 Entropy is generated using any copr 2848 Entropy is generated using any coprocessor 0 registers available.
2655 2849
2656 The kernel will be offset by up to 2850 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2851
2658 If unsure, say N. 2852 If unsure, say N.
2659 2853
2660 config RANDOMIZE_BASE_MAX_OFFSET 2854 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2855 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2856 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2857 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2858 range 0x0 0x08000000
2665 default "0x01000000" 2859 default "0x01000000"
2666 help 2860 help
2667 When kASLR is active, this provides 2861 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2862 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2863 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2864 PHYSICAL_START and must be a power of 2.
2671 2865
2672 This is limited by the size of KSEG 2866 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2867 EVA or 64-bit. The default is 16Mb.
2674 2868
2675 config NODES_SHIFT 2869 config NODES_SHIFT
2676 int 2870 int
2677 default "6" 2871 default "6"
2678 depends on NUMA !! 2872 depends on NEED_MULTIPLE_NODES
2679 2873
2680 config HW_PERF_EVENTS 2874 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2875 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2876 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2877 default y
2684 help 2878 help
2685 Enable hardware performance counter 2879 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2880 disabled, perf events will use software events only.
2687 2881
2688 config DMI 2882 config DMI
2689 bool "Enable DMI scanning" 2883 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2884 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2885 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2886 default y
2693 help 2887 help
2694 Enabled scanning of DMI to identify 2888 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2889 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2890 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2891 BIOS code.
2698 2892
2699 config SMP 2893 config SMP
2700 bool "Multi-Processing support" 2894 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2895 depends on SYS_SUPPORTS_SMP
2702 help 2896 help
2703 This enables support for systems wi 2897 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2898 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2899 than one CPU, say Y.
2706 2900
2707 If you say N here, the kernel will 2901 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2902 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2903 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2904 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2905 will run faster if you say N here.
2712 2906
2713 People using multiprocessor machine 2907 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2908 Y to "Enhanced Real Time Clock Support", below.
2715 2909
2716 See also the SMP-HOWTO available at 2910 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2911 <https://www.tldp.org/docs.html#howto>.
2718 2912
2719 If you don't know what to do here, 2913 If you don't know what to do here, say N.
2720 2914
2721 config HOTPLUG_CPU 2915 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2916 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2917 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2918 help
2725 Say Y here to allow turning CPUs of 2919 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2920 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2921 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2922 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2923 Say N if you want to disable CPU hotplug.
2730 2924
2731 config SMP_UP 2925 config SMP_UP
2732 bool 2926 bool
2733 2927
>> 2928 config SYS_SUPPORTS_MIPS_CMP
>> 2929 bool
>> 2930
2734 config SYS_SUPPORTS_MIPS_CPS 2931 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2932 bool
2736 2933
2737 config SYS_SUPPORTS_SMP 2934 config SYS_SUPPORTS_SMP
2738 bool 2935 bool
2739 2936
2740 config NR_CPUS_DEFAULT_4 2937 config NR_CPUS_DEFAULT_4
2741 bool 2938 bool
2742 2939
2743 config NR_CPUS_DEFAULT_8 2940 config NR_CPUS_DEFAULT_8
2744 bool 2941 bool
2745 2942
2746 config NR_CPUS_DEFAULT_16 2943 config NR_CPUS_DEFAULT_16
2747 bool 2944 bool
2748 2945
2749 config NR_CPUS_DEFAULT_32 2946 config NR_CPUS_DEFAULT_32
2750 bool 2947 bool
2751 2948
2752 config NR_CPUS_DEFAULT_64 2949 config NR_CPUS_DEFAULT_64
2753 bool 2950 bool
2754 2951
2755 config NR_CPUS 2952 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2953 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2954 range 2 256
2758 depends on SMP 2955 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2956 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2957 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2958 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2959 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2960 default "64" if NR_CPUS_DEFAULT_64
2764 help 2961 help
2765 This allows you to specify the maxi 2962 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2963 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2964 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2965 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2966 and 2 for all others.
2770 2967
2771 This is purely to save memory - eac 2968 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2969 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2970 performance should round up your number of processors to the next
2774 power of two. 2971 power of two.
2775 2972
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2973 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2974 bool
2778 2975
2779 config MIPS_NR_CPU_NR_MAP_1024 2976 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2977 bool
2781 2978
2782 config MIPS_NR_CPU_NR_MAP 2979 config MIPS_NR_CPU_NR_MAP
2783 int 2980 int
2784 depends on SMP 2981 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2982 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2983 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2984
2788 # 2985 #
2789 # Timer Interrupt Frequency Configuration 2986 # Timer Interrupt Frequency Configuration
2790 # 2987 #
2791 2988
2792 choice 2989 choice
2793 prompt "Timer frequency" 2990 prompt "Timer frequency"
2794 default HZ_250 2991 default HZ_250
2795 help 2992 help
2796 Allows the configuration of the tim 2993 Allows the configuration of the timer frequency.
2797 2994
2798 config HZ_24 2995 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2996 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2997
2801 config HZ_48 2998 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2999 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 3000
2804 config HZ_100 3001 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 3002 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 3003
2807 config HZ_128 3004 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 3005 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 3006
2810 config HZ_250 3007 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 3008 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 3009
2813 config HZ_256 3010 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 3011 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 3012
2816 config HZ_1000 3013 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 3014 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 3015
2819 config HZ_1024 3016 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 3017 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 3018
2822 endchoice 3019 endchoice
2823 3020
2824 config SYS_SUPPORTS_24HZ 3021 config SYS_SUPPORTS_24HZ
2825 bool 3022 bool
2826 3023
2827 config SYS_SUPPORTS_48HZ 3024 config SYS_SUPPORTS_48HZ
2828 bool 3025 bool
2829 3026
2830 config SYS_SUPPORTS_100HZ 3027 config SYS_SUPPORTS_100HZ
2831 bool 3028 bool
2832 3029
2833 config SYS_SUPPORTS_128HZ 3030 config SYS_SUPPORTS_128HZ
2834 bool 3031 bool
2835 3032
2836 config SYS_SUPPORTS_250HZ 3033 config SYS_SUPPORTS_250HZ
2837 bool 3034 bool
2838 3035
2839 config SYS_SUPPORTS_256HZ 3036 config SYS_SUPPORTS_256HZ
2840 bool 3037 bool
2841 3038
2842 config SYS_SUPPORTS_1000HZ 3039 config SYS_SUPPORTS_1000HZ
2843 bool 3040 bool
2844 3041
2845 config SYS_SUPPORTS_1024HZ 3042 config SYS_SUPPORTS_1024HZ
2846 bool 3043 bool
2847 3044
2848 config SYS_SUPPORTS_ARBIT_HZ 3045 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 3046 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 3047 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 3048 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 3049 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 3050 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 3051 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 3052 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 3053 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 3054 !SYS_SUPPORTS_1024HZ
2858 3055
2859 config HZ 3056 config HZ
2860 int 3057 int
2861 default 24 if HZ_24 3058 default 24 if HZ_24
2862 default 48 if HZ_48 3059 default 48 if HZ_48
2863 default 100 if HZ_100 3060 default 100 if HZ_100
2864 default 128 if HZ_128 3061 default 128 if HZ_128
2865 default 250 if HZ_250 3062 default 250 if HZ_250
2866 default 256 if HZ_256 3063 default 256 if HZ_256
2867 default 1000 if HZ_1000 3064 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 3065 default 1024 if HZ_1024
2869 3066
2870 config SCHED_HRTICK 3067 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 3068 def_bool HIGH_RES_TIMERS
2872 3069
2873 config ARCH_SUPPORTS_KEXEC !! 3070 config KEXEC
2874 def_bool y !! 3071 bool "Kexec system call"
2875 !! 3072 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 3073 help
2877 def_bool y !! 3074 kexec is a system call that implements the ability to shutdown your
>> 3075 current kernel, and to start another kernel. It is like a reboot
>> 3076 but it is independent of the system firmware. And like a reboot
>> 3077 you can start any kernel with it, not just Linux.
>> 3078
>> 3079 The name comes from the similarity to the exec system call.
>> 3080
>> 3081 It is an ongoing process to be certain the hardware in a machine
>> 3082 is properly shutdown, so do not be surprised if this code does not
>> 3083 initially work for you. As of this writing the exact hardware
>> 3084 interface is strongly in flux, so no good recommendation can be
>> 3085 made.
>> 3086
>> 3087 config CRASH_DUMP
>> 3088 bool "Kernel crash dumps"
>> 3089 help
>> 3090 Generate crash dump after being started by kexec.
>> 3091 This should be normally only set in special crash dump kernels
>> 3092 which are loaded in the main kernel with kexec-tools into
>> 3093 a specially reserved region and then later executed after
>> 3094 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3095 to a memory address not used by the main kernel or firmware using
>> 3096 PHYSICAL_START.
2878 3097
2879 config PHYSICAL_START 3098 config PHYSICAL_START
2880 hex "Physical address where the kerne 3099 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3100 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3101 depends on CRASH_DUMP
2883 help 3102 help
2884 This gives the CKSEG0 or KSEG0 addr 3103 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3104 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3105 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3106 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3107 passed to the panic-ed kernel).
2889 3108
2890 config MIPS_O32_FP64_SUPPORT 3109 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3110 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3111 depends on 32BIT || MIPS32_O32
2893 help 3112 help
2894 When this is enabled, the kernel wi 3113 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3114 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3115 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3116 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3117 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3118 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3119 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3120 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3121 saying N here.
2903 3122
2904 Although binutils currently support 3123 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3124 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3125 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3126 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3127 be considered experimental and only enabled by those working upon
2909 said details. 3128 said details.
2910 3129
2911 If unsure, say N. 3130 If unsure, say N.
2912 3131
2913 config USE_OF 3132 config USE_OF
2914 bool 3133 bool
2915 select OF 3134 select OF
2916 select OF_EARLY_FLATTREE 3135 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3136 select IRQ_DOMAIN
2918 3137
2919 config UHI_BOOT 3138 config UHI_BOOT
2920 bool 3139 bool
2921 3140
2922 config BUILTIN_DTB 3141 config BUILTIN_DTB
2923 bool 3142 bool
2924 3143
2925 choice 3144 choice
2926 prompt "Kernel appended dtb support" !! 3145 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3146 default MIPS_NO_APPENDED_DTB
2929 3147
2930 config MIPS_NO_APPENDED_DTB 3148 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3149 bool "None"
2932 help 3150 help
2933 Do not enable appended dtb 3151 Do not enable appended dtb support.
2934 3152
2935 config MIPS_ELF_APPENDED_DTB 3153 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3154 bool "vmlinux"
2937 help 3155 help
2938 With this option, the boot 3156 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3157 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3158 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3159 objcopy:
2942 3160
2943 objcopy --update-section 3161 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3162
2945 This is meant as a backward 3163 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3164 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3165 the documented boot protocol using a device tree.
2948 3166
2949 config MIPS_RAW_APPENDED_DTB 3167 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3168 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3169 help
2952 With this option, the boot 3170 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3171 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3172 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3173
2956 This is meant as a backward 3174 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3175 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3176 the documented boot protocol using a device tree.
2959 3177
2960 Beware that there is very l 3178 Beware that there is very little in terms of protection against
2961 this option being confused 3179 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3180 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3181 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3182 if you don't intend to always append a DTB.
2965 endchoice 3183 endchoice
2966 3184
2967 choice 3185 choice
2968 prompt "Kernel command line type" !! 3186 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3187 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3188 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3189 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3190 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3191
2975 config MIPS_CMDLINE_FROM_DTB 3192 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3193 depends on USE_OF
2977 bool "Dtb kernel arguments if 3194 bool "Dtb kernel arguments if available"
2978 3195
2979 config MIPS_CMDLINE_DTB_EXTEND 3196 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3197 depends on USE_OF
2981 bool "Extend dtb kernel argum 3198 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3199
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3200 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3201 bool "Bootloader kernel arguments if available"
2985 3202
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3203 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3204 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3205 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3206 endchoice
2990 3207
2991 endmenu 3208 endmenu
2992 3209
2993 config LOCKDEP_SUPPORT 3210 config LOCKDEP_SUPPORT
2994 bool 3211 bool
2995 default y 3212 default y
2996 3213
2997 config STACKTRACE_SUPPORT 3214 config STACKTRACE_SUPPORT
2998 bool 3215 bool
2999 default y 3216 default y
3000 3217
3001 config PGTABLE_LEVELS 3218 config PGTABLE_LEVELS
3002 int 3219 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3220 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3221 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3222 default 2
3006 3223
3007 config MIPS_AUTO_PFN_OFFSET 3224 config MIPS_AUTO_PFN_OFFSET
3008 bool 3225 bool
3009 3226
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3227 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3228
3012 config PCI_DRIVERS_GENERIC 3229 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3230 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3231 bool
3015 3232
3016 config PCI_DRIVERS_LEGACY 3233 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3234 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3235 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3236 select PCI_DOMAINS if PCI
3020 3237
3021 # 3238 #
3022 # ISA support is now enabled via select. Too 3239 # 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 3240 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3241 # users to choose the right thing ...
3025 # 3242 #
3026 config ISA 3243 config ISA
3027 bool 3244 bool
3028 3245
3029 config TC 3246 config TC
3030 bool "TURBOchannel support" 3247 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3248 depends on MACH_DECSTATION
3032 help 3249 help
3033 TURBOchannel is a DEC (now Compaq ( 3250 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3251 processors. TURBOchannel programming specifications are available
3035 at: 3252 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3253 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3254 and:
3038 <http://www.computer-refuge.org/cla 3255 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3256 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3257 <http://www.linux-mips.org/wiki/DECstation>
3041 3258
3042 config MMU 3259 config MMU
3043 bool 3260 bool
3044 default y 3261 default y
3045 3262
3046 config ARCH_MMAP_RND_BITS_MIN 3263 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3264 default 12 if 64BIT
3048 default 8 3265 default 8
3049 3266
3050 config ARCH_MMAP_RND_BITS_MAX 3267 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3268 default 18 if 64BIT
3052 default 15 3269 default 15
3053 3270
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3271 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3272 default 8
3056 3273
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3274 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3275 default 15
3059 3276
3060 config I8253 3277 config I8253
3061 bool 3278 bool
3062 select CLKSRC_I8253 3279 select CLKSRC_I8253
3063 select CLKEVT_I8253 3280 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3281 select MIPS_EXTERNAL_TIMER
>> 3282
>> 3283 config ZONE_DMA
>> 3284 bool
>> 3285
>> 3286 config ZONE_DMA32
>> 3287 bool
>> 3288
3065 endmenu 3289 endmenu
3066 3290
3067 config TRAD_SIGNALS 3291 config TRAD_SIGNALS
3068 bool 3292 bool
3069 3293
3070 config MIPS32_COMPAT 3294 config MIPS32_COMPAT
3071 bool 3295 bool
3072 3296
3073 config COMPAT 3297 config COMPAT
3074 bool 3298 bool
3075 3299
>> 3300 config SYSVIPC_COMPAT
>> 3301 bool
>> 3302
3076 config MIPS32_O32 3303 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3304 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3305 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3306 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3307 select COMPAT
3081 select MIPS32_COMPAT 3308 select MIPS32_COMPAT
>> 3309 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3310 help
3083 Select this option if you want to r 3311 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3312 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3313 existing binaries are in this format.
3086 3314
3087 If unsure, say Y. 3315 If unsure, say Y.
3088 3316
3089 config MIPS32_N32 3317 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3318 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3319 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3320 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3321 select COMPAT
3094 select MIPS32_COMPAT 3322 select MIPS32_COMPAT
>> 3323 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3324 help
3096 Select this option if you want to r 3325 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3326 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3327 data that would normally be 64-bit. They are used in special
3099 cases. 3328 cases.
3100 3329
3101 If unsure, say N. 3330 If unsure, say N.
3102 3331
3103 config CC_HAS_MNO_BRANCH_LIKELY <<
3104 def_bool y <<
3105 depends on $(cc-option,-mno-branch-li <<
3106 <<
3107 # https://github.com/llvm/llvm-project/issues <<
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 <<
3111 menu "Power management options" 3332 menu "Power management options"
3112 3333
3113 config ARCH_HIBERNATION_POSSIBLE 3334 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3335 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3336 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3337
3117 config ARCH_SUSPEND_POSSIBLE 3338 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3339 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3340 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3341
3121 source "kernel/power/Kconfig" 3342 source "kernel/power/Kconfig"
3122 3343
3123 endmenu 3344 endmenu
3124 3345
3125 config MIPS_EXTERNAL_TIMER 3346 config MIPS_EXTERNAL_TIMER
3126 bool 3347 bool
3127 3348
3128 menu "CPU Power Management" 3349 menu "CPU Power Management"
3129 3350
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3351 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3352 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3353 endif
3133 3354
3134 source "drivers/cpuidle/Kconfig" 3355 source "drivers/cpuidle/Kconfig"
3135 3356
3136 endmenu 3357 endmenu
>> 3358
>> 3359 source "drivers/firmware/Kconfig"
3137 3360
3138 source "arch/mips/kvm/Kconfig" 3361 source "arch/mips/kvm/Kconfig"
3139 3362
3140 source "arch/mips/vdso/Kconfig" 3363 source "arch/mips/vdso/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.