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