1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT <<
9 select ARCH_HAS_CURRENT_STACK_POINTER <<
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI <<
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 7 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 8 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 9 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 10 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER <<
17 select ARCH_HAS_STRNLEN_USER <<
18 select ARCH_HAS_TICK_BROADCAST if GENE 11 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 12 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 13 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK !! 14 select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL
>> 15 select ARCH_SUPPORTS_UPROBES
22 select ARCH_USE_BUILTIN_BSWAP 16 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 17 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST <<
25 select ARCH_USE_QUEUED_RWLOCKS 18 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 19 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ <<
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 20 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 21 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 22 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 23 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 24 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 25 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 26 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 27 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 28 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 29 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 30 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 31 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 32 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 33 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 34 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 35 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 36 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 37 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 38 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 39 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 40 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 41 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP <<
51 select GENERIC_TIME_VSYSCALL 42 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP !! 43 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || !! 44 select HANDLE_DOMAIN_IRQ
54 select HAVE_ARCH_COMPILER_H 45 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 46 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 47 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 48 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 49 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 50 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 51 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 52 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 53 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER !! 54 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 55 select HAVE_CONTEXT_TRACKING
64 select HAVE_TIF_NOHZ 56 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 57 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 58 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 59 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 60 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 61 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS !! 62 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
71 select HAVE_EXIT_THREAD 63 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 64 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 65 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 66 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 67 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 68 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 69 select HAVE_GENERIC_VDSO
>> 70 select HAVE_IDE
78 select HAVE_IOREMAP_PROT 71 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 72 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 73 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 74 select HAVE_KPROBES
82 select HAVE_KRETPROBES 75 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 76 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 77 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 78 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 79 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 80 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 81 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 82 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 83 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 84 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 85 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 86 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 87 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 88 select IRQ_FORCED_THREADING
99 select ISA if EISA 89 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA <<
101 select MODULES_USE_ELF_REL if MODULES 90 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 91 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 92 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 93 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 94 select RTC_LIB
>> 95 select SET_FS
106 select SYSCTL_EXCEPTION_TRACE 96 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT !! 97 select VIRT_TO_BUS
108 select ARCH_HAS_ELFCORE_COMPAT 98 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT <<
110 99
111 config MIPS_FIXUP_BIGPHYS_ADDR 100 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 101 bool
113 102
114 config MIPS_GENERIC 103 config MIPS_GENERIC
115 bool 104 bool
116 105
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 106 config MACH_INGENIC
121 bool 107 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 108 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 109 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 110 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 111 select DMA_NONCOHERENT
126 select IRQ_MIPS_CPU 112 select IRQ_MIPS_CPU
127 select PINCTRL 113 select PINCTRL
128 select GPIOLIB 114 select GPIOLIB
129 select COMMON_CLK 115 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 116 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 117 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 118 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 119 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 120 select MIPS_EXTERNAL_TIMER
135 121
136 menu "Machine selection" 122 menu "Machine selection"
137 123
138 choice 124 choice
139 prompt "System type" 125 prompt "System type"
140 default MIPS_GENERIC_KERNEL 126 default MIPS_GENERIC_KERNEL
141 127
142 config MIPS_GENERIC_KERNEL 128 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 129 bool "Generic board-agnostic MIPS kernel"
>> 130 select ARCH_HAS_SETUP_DMA_OPS
144 select MIPS_GENERIC 131 select MIPS_GENERIC
145 select BOOT_RAW 132 select BOOT_RAW
146 select BUILTIN_DTB 133 select BUILTIN_DTB
147 select CEVT_R4K 134 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 135 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 136 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 137 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 138 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 139 select CSRC_R4K
153 select DMA_NONCOHERENT 140 select DMA_NONCOHERENT
154 select HAVE_PCI 141 select HAVE_PCI
155 select IRQ_MIPS_CPU 142 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 143 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 144 select MIPS_CPU_SCACHE
159 select MIPS_GIC 145 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 146 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 147 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 148 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 149 select SMP_UP if SMP
164 select SWAP_IO_SPACE 150 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 151 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 152 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 <<
168 select SYS_HAS_CPU_MIPS32_R6 153 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 154 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 155 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 156 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 157 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 158 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 159 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 160 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 161 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 162 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 163 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 164 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 165 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 166 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 167 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 168 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 169 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 170 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 171 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 172 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 173 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 174 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 175 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 176 select USE_OF
193 help 177 help
194 Select this to build a kernel which 178 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 179 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 180 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 181 Interface) specification.
198 182
199 config MIPS_ALCHEMY 183 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 184 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 185 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 186 select CEVT_R4K
203 select CSRC_R4K 187 select CSRC_R4K
204 select IRQ_MIPS_CPU 188 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 189 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 190 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 191 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 192 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 193 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 194 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 195 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 196 select COMMON_CLK
213 197
>> 198 config AR7
>> 199 bool "Texas Instruments AR7"
>> 200 select BOOT_ELF32
>> 201 select DMA_NONCOHERENT
>> 202 select CEVT_R4K
>> 203 select CSRC_R4K
>> 204 select IRQ_MIPS_CPU
>> 205 select NO_EXCEPT_FILL
>> 206 select SWAP_IO_SPACE
>> 207 select SYS_HAS_CPU_MIPS32_R1
>> 208 select SYS_HAS_EARLY_PRINTK
>> 209 select SYS_SUPPORTS_32BIT_KERNEL
>> 210 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 211 select SYS_SUPPORTS_MIPS16
>> 212 select SYS_SUPPORTS_ZBOOT_UART16550
>> 213 select GPIOLIB
>> 214 select VLYNQ
>> 215 select HAVE_LEGACY_CLK
>> 216 help
>> 217 Support for the Texas Instruments AR7 System-on-a-Chip
>> 218 family: TNETD7100, 7200 and 7300.
>> 219
214 config ATH25 220 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 221 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 222 select CEVT_R4K
217 select CSRC_R4K 223 select CSRC_R4K
218 select DMA_NONCOHERENT 224 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 225 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 226 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 227 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 228 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 229 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 230 select SYS_HAS_EARLY_PRINTK
225 help 231 help
226 Support for Atheros AR231x and Ather 232 Support for Atheros AR231x and Atheros AR531x based boards
227 233
228 config ATH79 234 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 235 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 236 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 237 select BOOT_RAW
232 select CEVT_R4K 238 select CEVT_R4K
233 select CSRC_R4K 239 select CSRC_R4K
234 select DMA_NONCOHERENT 240 select DMA_NONCOHERENT
235 select GPIOLIB 241 select GPIOLIB
236 select PINCTRL 242 select PINCTRL
237 select COMMON_CLK 243 select COMMON_CLK
238 select IRQ_MIPS_CPU 244 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 245 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 246 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 247 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 248 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 249 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 250 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 251 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 252 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 253 help
248 Support for the Atheros AR71XX/AR724 254 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 255
250 config BMIPS_GENERIC 256 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 257 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 258 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 259 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 260 select ARCH_HAS_PHYS_TO_DMA
254 select BOOT_RAW 261 select BOOT_RAW
255 select NO_EXCEPT_FILL 262 select NO_EXCEPT_FILL
256 select USE_OF 263 select USE_OF
257 select CEVT_R4K 264 select CEVT_R4K
258 select CSRC_R4K 265 select CSRC_R4K
259 select SYNC_R4K 266 select SYNC_R4K
260 select COMMON_CLK 267 select COMMON_CLK
261 select BCM6345_L1_IRQ 268 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 269 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 270 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 271 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 272 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 273 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 274 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 275 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 276 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 277 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 278 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 279 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 280 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 281 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 282 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 283 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 284 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 285 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 286 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 287 select HARDIRQS_SW_RESEND
281 select HAVE_PCI <<
282 select PCI_DRIVERS_GENERIC <<
283 select FW_CFE <<
284 help 288 help
285 Build a generic DT-based kernel imag 289 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 290 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 291 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 292 must be set appropriately for your board.
289 293
290 config BCM47XX 294 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 295 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 296 select BOOT_RAW
293 select CEVT_R4K 297 select CEVT_R4K
294 select CSRC_R4K 298 select CSRC_R4K
295 select DMA_NONCOHERENT 299 select DMA_NONCOHERENT
296 select HAVE_PCI 300 select HAVE_PCI
297 select IRQ_MIPS_CPU 301 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 302 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 303 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 304 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 305 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 306 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 307 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 308 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 309 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 310 select GPIOLIB
307 select LEDS_GPIO_REGISTER 311 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 312 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 313 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 314 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 315 help
312 Support for BCM47XX based boards 316 Support for BCM47XX based boards
313 317
314 config BCM63XX 318 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 319 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 320 select BOOT_RAW
317 select CEVT_R4K 321 select CEVT_R4K
318 select CSRC_R4K 322 select CSRC_R4K
319 select SYNC_R4K 323 select SYNC_R4K
320 select DMA_NONCOHERENT 324 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 325 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 326 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 327 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 328 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 329 select SWAP_IO_SPACE
329 select GPIOLIB 330 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 331 select MIPS_L1_CACHE_SHIFT_4
>> 332 select CLKDEV_LOOKUP
331 select HAVE_LEGACY_CLK 333 select HAVE_LEGACY_CLK
332 help 334 help
333 Support for BCM63XX based boards 335 Support for BCM63XX based boards
334 336
335 config MIPS_COBALT 337 config MIPS_COBALT
336 bool "Cobalt Server" 338 bool "Cobalt Server"
337 select CEVT_R4K 339 select CEVT_R4K
338 select CSRC_R4K 340 select CSRC_R4K
339 select CEVT_GT641XX 341 select CEVT_GT641XX
340 select DMA_NONCOHERENT 342 select DMA_NONCOHERENT
341 select FORCE_PCI 343 select FORCE_PCI
342 select I8253 344 select I8253
343 select I8259 345 select I8259
344 select IRQ_MIPS_CPU 346 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 347 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 348 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 349 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 350 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 351 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 352 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 353 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 354 select USE_GENERIC_EARLY_PRINTK_8250
353 355
354 config MACH_DECSTATION 356 config MACH_DECSTATION
355 bool "DECstations" 357 bool "DECstations"
356 select BOOT_ELF32 358 select BOOT_ELF32
357 select CEVT_DS1287 359 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 360 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 361 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 362 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 363 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 364 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 365 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 366 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 367 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 368 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 369 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 370 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 371 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 372 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 373 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 374 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 375 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 376 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 377 select MIPS_L1_CACHE_SHIFT_4
376 help 378 help
377 This enables support for DEC's MIPS 379 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 380 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 381 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 382
381 If you have one of the following DEC 383 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 384 want to choose R4xx0 for the CPU Type:
383 385
384 DECstation 5000/50 386 DECstation 5000/50
385 DECstation 5000/150 387 DECstation 5000/150
386 DECstation 5000/260 388 DECstation 5000/260
387 DECsystem 5900/260 389 DECsystem 5900/260
388 390
389 otherwise choose R3000. 391 otherwise choose R3000.
390 392
391 config MACH_JAZZ 393 config MACH_JAZZ
392 bool "Jazz family of machines" 394 bool "Jazz family of machines"
393 select ARC_MEMORY 395 select ARC_MEMORY
394 select ARC_PROMLIB 396 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 397 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 398 select ARCH_MIGHT_HAVE_PC_SERIO
>> 399 select DMA_OPS
397 select FW_ARC 400 select FW_ARC
398 select FW_ARC32 401 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 402 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 403 select CEVT_R4K
401 select CSRC_R4K 404 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 405 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 406 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 407 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 408 select IRQ_MIPS_CPU
406 select I8253 409 select I8253
407 select I8259 410 select I8259
408 select ISA 411 select ISA
409 select SYS_HAS_CPU_R4X00 412 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 413 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 414 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 415 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 416 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 417 help
415 This a family of machines based on t 418 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 419 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 420 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 421 Olivetti M700-10 workstations.
419 422
420 config MACH_INGENIC_SOC 423 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 424 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 425 select MIPS_GENERIC
423 select MACH_INGENIC 426 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 427 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 428 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 429 select MIPS_EXTERNAL_TIMER
428 430
429 config LANTIQ 431 config LANTIQ
430 bool "Lantiq based platforms" 432 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 433 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 434 select IRQ_MIPS_CPU
433 select CEVT_R4K 435 select CEVT_R4K
434 select CSRC_R4K 436 select CSRC_R4K
435 select NO_EXCEPT_FILL <<
436 select SYS_HAS_CPU_MIPS32_R1 437 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 438 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 439 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 440 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 441 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 442 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 443 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 444 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 445 select GPIOLIB
445 select SWAP_IO_SPACE 446 select SWAP_IO_SPACE
446 select BOOT_RAW 447 select BOOT_RAW
>> 448 select CLKDEV_LOOKUP
447 select HAVE_LEGACY_CLK 449 select HAVE_LEGACY_CLK
448 select USE_OF 450 select USE_OF
449 select PINCTRL 451 select PINCTRL
450 select PINCTRL_LANTIQ 452 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 453 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 454 select RESET_CONTROLLER
453 455
454 config MACH_LOONGSON32 456 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 457 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 458 select SYS_SUPPORTS_ZBOOT
457 help 459 help
458 This enables support for the Loongso 460 This enables support for the Loongson-1 family of machines.
459 461
460 Loongson-1 is a family of 32-bit MIP 462 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 463 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 464 Sciences (CAS).
463 465
464 config MACH_LOONGSON2EF 466 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 467 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 468 select SYS_SUPPORTS_ZBOOT
467 help 469 help
468 This enables the support of early Lo 470 This enables the support of early Loongson-2E/F family of machines.
469 471
470 config MACH_LOONGSON64 472 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 473 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 474 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 475 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 476 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 477 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 478 select BOOT_ELF32
478 select BOARD_SCACHE 479 select BOARD_SCACHE
479 select CSRC_R4K 480 select CSRC_R4K
480 select CEVT_R4K 481 select CEVT_R4K
481 select SYNC_R4K !! 482 select CPU_HAS_WB
482 select FORCE_PCI 483 select FORCE_PCI
483 select ISA 484 select ISA
484 select I8259 485 select I8259
485 select IRQ_MIPS_CPU 486 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 487 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 488 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 489 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 490 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 491 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 492 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 493 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 494 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 495 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 496 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 497 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 498 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 499 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 500 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 501 select ZONE_DMA32
501 select COMMON_CLK 502 select COMMON_CLK
502 select USE_OF 503 select USE_OF
503 select BUILTIN_DTB 504 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 505 select PCI_HOST_GENERIC
505 help 506 help
506 This enables the support of Loongson 507 This enables the support of Loongson-2/3 family of machines.
507 508
508 Loongson-2 and Loongson-3 are 64-bit 509 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 510 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 511 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 512 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 513
>> 514 config MACH_PISTACHIO
>> 515 bool "IMG Pistachio SoC based boards"
>> 516 select BOOT_ELF32
>> 517 select BOOT_RAW
>> 518 select CEVT_R4K
>> 519 select CLKSRC_MIPS_GIC
>> 520 select COMMON_CLK
>> 521 select CSRC_R4K
>> 522 select DMA_NONCOHERENT
>> 523 select GPIOLIB
>> 524 select IRQ_MIPS_CPU
>> 525 select MFD_SYSCON
>> 526 select MIPS_CPU_SCACHE
>> 527 select MIPS_GIC
>> 528 select PINCTRL
>> 529 select REGULATOR
>> 530 select SYS_HAS_CPU_MIPS32_R2
>> 531 select SYS_SUPPORTS_32BIT_KERNEL
>> 532 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 533 select SYS_SUPPORTS_MIPS_CPS
>> 534 select SYS_SUPPORTS_MULTITHREADING
>> 535 select SYS_SUPPORTS_RELOCATABLE
>> 536 select SYS_SUPPORTS_ZBOOT
>> 537 select SYS_HAS_EARLY_PRINTK
>> 538 select USE_GENERIC_EARLY_PRINTK_8250
>> 539 select USE_OF
>> 540 help
>> 541 This enables support for the IMG Pistachio SoC platform.
>> 542
513 config MIPS_MALTA 543 config MIPS_MALTA
514 bool "MIPS Malta board" 544 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 545 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 546 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 547 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 548 select BOOT_ELF32
519 select BOOT_RAW 549 select BOOT_RAW
520 select BUILTIN_DTB 550 select BUILTIN_DTB
521 select CEVT_R4K 551 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 552 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 553 select COMMON_CLK
524 select CSRC_R4K 554 select CSRC_R4K
525 select DMA_NONCOHERENT 555 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 556 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 557 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 558 select HAVE_PCI
529 select I8253 559 select I8253
530 select I8259 560 select I8259
531 select IRQ_MIPS_CPU 561 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 562 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 563 select MIPS_CPU_SCACHE
534 select MIPS_GIC 564 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 565 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 566 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 567 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 568 select SMP_UP if SMP
539 select SWAP_IO_SPACE 569 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 570 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 571 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 572 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 573 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 574 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 575 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 576 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 577 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 578 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 579 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 580 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 581 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 582 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 583 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 584 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 585 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 586 select SYS_SUPPORTS_MIPS16
>> 587 select SYS_SUPPORTS_MIPS_CMP
557 select SYS_SUPPORTS_MIPS_CPS 588 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 589 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 590 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 591 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 592 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 593 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 594 select USE_OF
564 select WAR_ICACHE_REFILLS 595 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 596 select ZONE_DMA32 if 64BIT
566 help 597 help
567 This enables support for the MIPS Te 598 This enables support for the MIPS Technologies Malta evaluation
568 board. 599 board.
569 600
570 config MACH_PIC32 601 config MACH_PIC32
571 bool "Microchip PIC32 Family" 602 bool "Microchip PIC32 Family"
572 help 603 help
573 This enables support for the Microch 604 This enables support for the Microchip PIC32 family of platforms.
574 605
575 Microchip PIC32 is a family of gener 606 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 607 microcontrollers.
577 608
578 config EYEQ !! 609 config MACH_VR41XX
579 bool "Mobileye EyeQ SoC" !! 610 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 611 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 612 select CSRC_R4K
592 select DMA_NONCOHERENT !! 613 select SYS_HAS_CPU_VR41XX
593 select HAVE_PCI !! 614 select SYS_SUPPORTS_MIPS16
594 select IRQ_MIPS_CPU !! 615 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 <<
621 616
622 config MACH_NINTENDO64 617 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 618 bool "Nintendo 64 console"
624 select CEVT_R4K 619 select CEVT_R4K
625 select CSRC_R4K 620 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 621 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 622 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 623 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 624 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 625 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 626 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 627 select IRQ_MIPS_CPU
633 628
634 config RALINK 629 config RALINK
635 bool "Ralink based machines" 630 bool "Ralink based machines"
636 select CEVT_R4K 631 select CEVT_R4K
637 select COMMON_CLK <<
638 select CSRC_R4K 632 select CSRC_R4K
639 select BOOT_RAW 633 select BOOT_RAW
640 select DMA_NONCOHERENT 634 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 635 select IRQ_MIPS_CPU
642 select USE_OF 636 select USE_OF
>> 637 select SYS_HAS_CPU_MIPS32_R1
643 select SYS_HAS_CPU_MIPS32_R2 638 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 639 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 640 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 641 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 642 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 643 select SYS_HAS_EARLY_PRINTK
>> 644 select CLKDEV_LOOKUP
649 select ARCH_HAS_RESET_CONTROLLER 645 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 646 select RESET_CONTROLLER
651 647
652 config MACH_REALTEK_RTL 648 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 649 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 650 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 651 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 652 select IRQ_MIPS_CPU
658 select CSRC_R4K 653 select CSRC_R4K
659 select CEVT_R4K 654 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 655 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 656 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 657 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 658 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 659 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 660 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 661 select SYS_SUPPORTS_VPE_LOADER
>> 662 select SYS_HAS_EARLY_PRINTK
>> 663 select SYS_HAS_EARLY_PRINTK_8250
>> 664 select USE_GENERIC_EARLY_PRINTK_8250
667 select BOOT_RAW 665 select BOOT_RAW
668 select PINCTRL 666 select PINCTRL
669 select USE_OF 667 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 668
672 config SGI_IP22 669 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 670 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 671 select ARC_MEMORY
675 select ARC_PROMLIB 672 select ARC_PROMLIB
676 select FW_ARC 673 select FW_ARC
677 select FW_ARC32 674 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 675 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 676 select BOOT_ELF32
680 select CEVT_R4K 677 select CEVT_R4K
681 select CSRC_R4K 678 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 679 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 680 select DMA_NONCOHERENT
684 select HAVE_EISA 681 select HAVE_EISA
685 select I8253 682 select I8253
686 select I8259 683 select I8259
687 select IP22_CPU_SCACHE 684 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 685 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 686 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 687 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 688 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 689 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 690 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 691 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 692 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 693 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 694 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 695 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 696 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 697 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 698 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 699 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 700 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 701 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 702 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 703 select MIPS_L1_CACHE_SHIFT_7
707 help 704 help
708 This are the SGI Indy, Challenge S a 705 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 706 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 707 that runs on these, say Y here.
711 708
712 config SGI_IP27 709 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 710 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 711 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 712 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 713 select FW_ARC
717 select FW_ARC64 714 select FW_ARC64
718 select ARC_CMDLINE_ONLY 715 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 716 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 717 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI <<
722 select SYS_HAS_EARLY_PRINTK 718 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 719 select HAVE_PCI
724 select IRQ_MIPS_CPU 720 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 721 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 722 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 723 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 724 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 725 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 726 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 727 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 728 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 729 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 730 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 731 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 732 select NUMA
737 help 733 help
738 This are the SGI Origin 200, Origin 734 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 735 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 736 here.
741 737
742 config SGI_IP28 738 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 739 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 740 select ARC_MEMORY
745 select ARC_PROMLIB 741 select ARC_PROMLIB
746 select FW_ARC 742 select FW_ARC
747 select FW_ARC64 743 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 744 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 745 select BOOT_ELF64
750 select CEVT_R4K 746 select CEVT_R4K
751 select CSRC_R4K 747 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 748 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 749 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 750 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 751 select IRQ_MIPS_CPU
756 select HAVE_EISA 752 select HAVE_EISA
757 select I8253 753 select I8253
758 select I8259 754 select I8259
759 select SGI_HAS_I8042 755 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 756 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 757 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 758 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 759 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 760 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 761 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 762 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 763 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 764 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 765 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 766 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 767 select MIPS_L1_CACHE_SHIFT_7
772 help 768 help
773 This is the SGI Indigo2 with R10000 769 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 770 kernel that runs on these, say Y here.
775 771
776 config SGI_IP30 772 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 773 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 774 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 775 select FW_ARC
780 select FW_ARC64 776 select FW_ARC64
781 select BOOT_ELF64 777 select BOOT_ELF64
782 select CEVT_R4K 778 select CEVT_R4K
783 select CSRC_R4K 779 select CSRC_R4K
784 select FORCE_PCI <<
785 select SYNC_R4K if SMP 780 select SYNC_R4K if SMP
786 select ZONE_DMA32 781 select ZONE_DMA32
787 select HAVE_PCI 782 select HAVE_PCI
788 select IRQ_MIPS_CPU 783 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 784 select IRQ_DOMAIN_HIERARCHY
>> 785 select NR_CPUS_DEFAULT_2
790 select PCI_DRIVERS_GENERIC 786 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 787 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 788 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 789 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 790 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 791 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 792 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 793 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 794 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 795 select ARC_MEMORY
800 help 796 help
801 These are the SGI Octane and Octane2 797 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 798 compile a Linux kernel that runs on these, say Y here.
803 799
804 config SGI_IP32 800 config SGI_IP32
805 bool "SGI IP32 (O2)" 801 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 802 select ARC_MEMORY
807 select ARC_PROMLIB 803 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 804 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 805 select FW_ARC
810 select FW_ARC32 806 select FW_ARC32
811 select BOOT_ELF32 807 select BOOT_ELF32
812 select CEVT_R4K 808 select CEVT_R4K
813 select CSRC_R4K 809 select CSRC_R4K
814 select DMA_NONCOHERENT 810 select DMA_NONCOHERENT
815 select HAVE_PCI 811 select HAVE_PCI
816 select IRQ_MIPS_CPU 812 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 813 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 814 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 815 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 816 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 817 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 818 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 819 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 820 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 821 select WAR_ICACHE_REFILLS
826 help 822 help
827 If you want this kernel to run on SG 823 If you want this kernel to run on SGI O2 workstation, say Y here.
828 824
>> 825 config SIBYTE_CRHINE
>> 826 bool "Sibyte BCM91120C-CRhine"
>> 827 select BOOT_ELF32
>> 828 select SIBYTE_BCM1120
>> 829 select SWAP_IO_SPACE
>> 830 select SYS_HAS_CPU_SB1
>> 831 select SYS_SUPPORTS_BIG_ENDIAN
>> 832 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 833
>> 834 config SIBYTE_CARMEL
>> 835 bool "Sibyte BCM91120x-Carmel"
>> 836 select BOOT_ELF32
>> 837 select SIBYTE_BCM1120
>> 838 select SWAP_IO_SPACE
>> 839 select SYS_HAS_CPU_SB1
>> 840 select SYS_SUPPORTS_BIG_ENDIAN
>> 841 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 842
829 config SIBYTE_CRHONE 843 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 844 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 845 select BOOT_ELF32
832 select SIBYTE_BCM1125 846 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 847 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 848 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 849 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 850 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 851 select SYS_SUPPORTS_LITTLE_ENDIAN
838 852
839 config SIBYTE_RHONE 853 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 854 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 855 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 856 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 857 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 858 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 859 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 860 select SYS_SUPPORTS_LITTLE_ENDIAN
847 861
848 config SIBYTE_SWARM 862 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 863 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 864 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 865 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 866 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 867 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 868 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 869 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 870 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 871 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 872 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 873 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 874
861 config SIBYTE_LITTLESUR 875 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 876 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 877 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 878 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 879 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 880 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 881 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 882 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 883 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 884 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 885 select ZONE_DMA32 if 64BIT
872 886
873 config SIBYTE_SENTOSA 887 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 888 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 889 select BOOT_ELF32
876 select SIBYTE_SB1250 890 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 891 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 892 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 893 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 894 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 895 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 896
883 config SIBYTE_BIGSUR 897 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 898 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 899 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 900 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 901 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 902 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 903 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 904 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 905 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 906 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 907 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 908 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 909
896 config SNI_RM 910 config SNI_RM
897 bool "SNI RM200/300/400" 911 bool "SNI RM200/300/400"
898 select ARC_MEMORY 912 select ARC_MEMORY
899 select ARC_PROMLIB 913 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 914 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 915 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 916 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 917 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 918 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 919 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 920 select BOOT_ELF32
907 select CEVT_R4K 921 select CEVT_R4K
908 select CSRC_R4K 922 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 923 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 924 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 925 select GENERIC_ISA_DMA
912 select HAVE_EISA 926 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 927 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 928 select HAVE_PCI
915 select IRQ_MIPS_CPU 929 select IRQ_MIPS_CPU
916 select I8253 930 select I8253
917 select I8259 931 select I8259
918 select ISA 932 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 933 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 934 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 935 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 936 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 937 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 938 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 939 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 940 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 941 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 942 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 943 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 944 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 945 select WAR_R4600_V2_HIT_CACHEOP
932 help 946 help
933 The SNI RM200/300/400 are MIPS-based 947 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 948 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 949 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 950 support this machine type.
937 951
>> 952 config MACH_TX39XX
>> 953 bool "Toshiba TX39 series based machines"
>> 954
938 config MACH_TX49XX 955 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 956 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 957 select WAR_TX49XX_ICACHE_INDEX_INV
941 958
942 config MIKROTIK_RB532 959 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 960 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 961 select CEVT_R4K
945 select CSRC_R4K 962 select CSRC_R4K
946 select DMA_NONCOHERENT 963 select DMA_NONCOHERENT
947 select HAVE_PCI 964 select HAVE_PCI
948 select IRQ_MIPS_CPU 965 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 966 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 967 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 968 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 969 select SWAP_IO_SPACE
953 select BOOT_RAW 970 select BOOT_RAW
954 select GPIOLIB 971 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 972 select MIPS_L1_CACHE_SHIFT_4
956 help 973 help
957 Support the Mikrotik(tm) RouterBoard 974 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 975 based on the IDT RC32434 SoC.
959 976
960 config CAVIUM_OCTEON_SOC 977 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 978 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 979 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 980 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 981 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 982 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 983 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 984 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 985 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 986 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 987 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 988 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 989 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 990 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 991 select HAVE_PCI
975 select HAVE_PLAT_DELAY 992 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 993 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 994 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 995 select ZONE_DMA32
>> 996 select HOLES_IN_ZONE
979 select GPIOLIB 997 select GPIOLIB
980 select USE_OF 998 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 999 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 1000 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 1001 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 1002 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 1003 select BUILTIN_DTB
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS 1004 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 1005 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 1006 select SYS_SUPPORTS_RELOCATABLE
990 help 1007 help
991 This option supports all of the Octe 1008 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 1009 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 1010 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 1011 Some of the supported boards are:
995 EBT3000 1012 EBT3000
996 EBH3000 1013 EBH3000
997 EBH3100 1014 EBH3100
998 Thunder 1015 Thunder
999 Kodama 1016 Kodama
1000 Hikari 1017 Hikari
1001 Say Y here for most Octeon referenc 1018 Say Y here for most Octeon reference boards.
1002 1019
1003 endchoice !! 1020 config NLM_XLR_BOARD
>> 1021 bool "Netlogic XLR/XLS based systems"
>> 1022 select BOOT_ELF32
>> 1023 select NLM_COMMON
>> 1024 select SYS_HAS_CPU_XLR
>> 1025 select SYS_SUPPORTS_SMP
>> 1026 select HAVE_PCI
>> 1027 select SWAP_IO_SPACE
>> 1028 select SYS_SUPPORTS_32BIT_KERNEL
>> 1029 select SYS_SUPPORTS_64BIT_KERNEL
>> 1030 select PHYS_ADDR_T_64BIT
>> 1031 select SYS_SUPPORTS_BIG_ENDIAN
>> 1032 select SYS_SUPPORTS_HIGHMEM
>> 1033 select NR_CPUS_DEFAULT_32
>> 1034 select CEVT_R4K
>> 1035 select CSRC_R4K
>> 1036 select IRQ_MIPS_CPU
>> 1037 select ZONE_DMA32 if 64BIT
>> 1038 select SYNC_R4K
>> 1039 select SYS_HAS_EARLY_PRINTK
>> 1040 select SYS_SUPPORTS_ZBOOT
>> 1041 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1042 help
>> 1043 Support for systems based on Netlogic XLR and XLS processors.
>> 1044 Say Y here if you have a XLR or XLS based board.
1004 1045
1005 config FIT_IMAGE_FDT_EPM5 !! 1046 config NLM_XLP_BOARD
1006 bool "Include FDT for Mobileye EyeQ5 !! 1047 bool "Netlogic XLP based systems"
1007 depends on MACH_EYEQ5 !! 1048 select BOOT_ELF32
1008 default n !! 1049 select NLM_COMMON
>> 1050 select SYS_HAS_CPU_XLP
>> 1051 select SYS_SUPPORTS_SMP
>> 1052 select HAVE_PCI
>> 1053 select SYS_SUPPORTS_32BIT_KERNEL
>> 1054 select SYS_SUPPORTS_64BIT_KERNEL
>> 1055 select PHYS_ADDR_T_64BIT
>> 1056 select GPIOLIB
>> 1057 select SYS_SUPPORTS_BIG_ENDIAN
>> 1058 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1059 select SYS_SUPPORTS_HIGHMEM
>> 1060 select NR_CPUS_DEFAULT_32
>> 1061 select CEVT_R4K
>> 1062 select CSRC_R4K
>> 1063 select IRQ_MIPS_CPU
>> 1064 select ZONE_DMA32 if 64BIT
>> 1065 select SYNC_R4K
>> 1066 select SYS_HAS_EARLY_PRINTK
>> 1067 select USE_OF
>> 1068 select SYS_SUPPORTS_ZBOOT
>> 1069 select SYS_SUPPORTS_ZBOOT_UART16550
1009 help 1070 help
1010 Enable this to include the FDT for !! 1071 This board is based on Netlogic XLP Processor.
1011 from Mobileye in the FIT kernel ima !! 1072 Say Y here if you have a XLP based board.
1012 This requires u-boot on the platfor !! 1073
>> 1074 endchoice
1013 1075
1014 source "arch/mips/alchemy/Kconfig" 1076 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 1077 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 1078 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 1079 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 1080 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 1081 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 1082 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 1083 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 1084 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 1085 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 1086 source "arch/mips/pic32/Kconfig"
>> 1087 source "arch/mips/pistachio/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 1088 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 1089 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 1090 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 1091 source "arch/mips/txx9/Kconfig"
>> 1092 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 1093 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 1094 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 1095 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 1096 source "arch/mips/loongson64/Kconfig"
>> 1097 source "arch/mips/netlogic/Kconfig"
1034 1098
1035 endmenu 1099 endmenu
1036 1100
1037 config GENERIC_HWEIGHT 1101 config GENERIC_HWEIGHT
1038 bool 1102 bool
1039 default y 1103 default y
1040 1104
1041 config GENERIC_CALIBRATE_DELAY 1105 config GENERIC_CALIBRATE_DELAY
1042 bool 1106 bool
1043 default y 1107 default y
1044 1108
1045 config SCHED_OMIT_FRAME_POINTER 1109 config SCHED_OMIT_FRAME_POINTER
1046 bool 1110 bool
1047 default y 1111 default y
1048 1112
1049 # 1113 #
1050 # Select some configuration options automatic 1114 # Select some configuration options automatically based on user selections.
1051 # 1115 #
1052 config FW_ARC 1116 config FW_ARC
1053 bool 1117 bool
1054 1118
1055 config ARCH_MAY_HAVE_PC_FDC 1119 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1120 bool
1057 1121
1058 config BOOT_RAW 1122 config BOOT_RAW
1059 bool 1123 bool
1060 1124
1061 config CEVT_BCM1480 1125 config CEVT_BCM1480
1062 bool 1126 bool
1063 1127
1064 config CEVT_DS1287 1128 config CEVT_DS1287
1065 bool 1129 bool
1066 1130
1067 config CEVT_GT641XX 1131 config CEVT_GT641XX
1068 bool 1132 bool
1069 1133
1070 config CEVT_R4K 1134 config CEVT_R4K
1071 bool 1135 bool
1072 1136
1073 config CEVT_SB1250 1137 config CEVT_SB1250
1074 bool 1138 bool
1075 1139
1076 config CEVT_TXX9 1140 config CEVT_TXX9
1077 bool 1141 bool
1078 1142
1079 config CSRC_BCM1480 1143 config CSRC_BCM1480
1080 bool 1144 bool
1081 1145
1082 config CSRC_IOASIC 1146 config CSRC_IOASIC
1083 bool 1147 bool
1084 1148
1085 config CSRC_R4K 1149 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1150 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1151 bool
1089 1152
1090 config CSRC_SB1250 1153 config CSRC_SB1250
1091 bool 1154 bool
1092 1155
1093 config MIPS_CLOCK_VSYSCALL 1156 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1157 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1158
1096 config GPIO_TXX9 1159 config GPIO_TXX9
1097 select GPIOLIB 1160 select GPIOLIB
1098 bool 1161 bool
1099 1162
1100 config FW_CFE 1163 config FW_CFE
1101 bool 1164 bool
1102 1165
1103 config ARCH_SUPPORTS_UPROBES 1166 config ARCH_SUPPORTS_UPROBES
1104 def_bool y !! 1167 bool
>> 1168
>> 1169 config DMA_PERDEV_COHERENT
>> 1170 bool
>> 1171 select ARCH_HAS_SETUP_DMA_OPS
>> 1172 select DMA_NONCOHERENT
1105 1173
1106 config DMA_NONCOHERENT 1174 config DMA_NONCOHERENT
1107 bool 1175 bool
1108 # 1176 #
1109 # MIPS allows mixing "slightly differ 1177 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1178 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1179 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1180 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1181 # significant advantages.
1114 # 1182 #
1115 select ARCH_HAS_SETUP_DMA_OPS <<
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1183 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1184 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1185 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1186 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1187 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1188 select NEED_DMA_MAP_STATE
1123 1189
1124 config SYS_HAS_EARLY_PRINTK 1190 config SYS_HAS_EARLY_PRINTK
1125 bool 1191 bool
1126 1192
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1193 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1194 bool
1129 1195
1130 config MIPS_BONITO64 1196 config MIPS_BONITO64
1131 bool 1197 bool
1132 1198
1133 config MIPS_MSC 1199 config MIPS_MSC
1134 bool 1200 bool
1135 1201
1136 config SYNC_R4K 1202 config SYNC_R4K
1137 bool 1203 bool
1138 1204
1139 config NO_IOPORT_MAP 1205 config NO_IOPORT_MAP
1140 def_bool n 1206 def_bool n
1141 1207
1142 config GENERIC_CSUM 1208 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1209 def_bool CPU_NO_LOAD_STORE_LR
1144 1210
1145 config GENERIC_ISA_DMA 1211 config GENERIC_ISA_DMA
1146 bool 1212 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1213 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1214 select ISA_DMA_API
1149 1215
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1216 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1217 bool
1152 select GENERIC_ISA_DMA 1218 select GENERIC_ISA_DMA
1153 1219
1154 config HAVE_PLAT_DELAY 1220 config HAVE_PLAT_DELAY
1155 bool 1221 bool
1156 1222
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1223 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1224 bool
1159 1225
1160 config HAVE_PLAT_MEMCPY 1226 config HAVE_PLAT_MEMCPY
1161 bool 1227 bool
1162 1228
1163 config ISA_DMA_API 1229 config ISA_DMA_API
1164 bool 1230 bool
1165 1231
>> 1232 config HOLES_IN_ZONE
>> 1233 bool
>> 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
>> 1287 config SYS_SUPPORTS_HUGETLBFS
>> 1288 bool
>> 1289 depends on CPU_SUPPORTS_HUGEPAGES
>> 1290 default y
>> 1291
1209 config MIPS_HUGE_TLB_SUPPORT 1292 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1293 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1294
>> 1295 config IRQ_MSP_SLP
>> 1296 bool
>> 1297
>> 1298 config IRQ_MSP_CIC
>> 1299 bool
>> 1300
1212 config IRQ_TXX9 1301 config IRQ_TXX9
1213 bool 1302 bool
1214 1303
1215 config IRQ_GT641XX 1304 config IRQ_GT641XX
1216 bool 1305 bool
1217 1306
1218 config PCI_GT64XXX_PCI0 1307 config PCI_GT64XXX_PCI0
1219 bool 1308 bool
1220 1309
1221 config PCI_XTALK_BRIDGE 1310 config PCI_XTALK_BRIDGE
1222 bool 1311 bool
1223 1312
1224 config NO_EXCEPT_FILL 1313 config NO_EXCEPT_FILL
1225 bool 1314 bool
1226 1315
1227 config MIPS_SPRAM 1316 config MIPS_SPRAM
1228 bool 1317 bool
1229 1318
1230 config SWAP_IO_SPACE 1319 config SWAP_IO_SPACE
1231 bool 1320 bool
1232 1321
1233 config SGI_HAS_INDYDOG 1322 config SGI_HAS_INDYDOG
1234 bool 1323 bool
1235 1324
1236 config SGI_HAS_HAL2 1325 config SGI_HAS_HAL2
1237 bool 1326 bool
1238 1327
1239 config SGI_HAS_SEEQ 1328 config SGI_HAS_SEEQ
1240 bool 1329 bool
1241 1330
1242 config SGI_HAS_WD93 1331 config SGI_HAS_WD93
1243 bool 1332 bool
1244 1333
1245 config SGI_HAS_ZILOG 1334 config SGI_HAS_ZILOG
1246 bool 1335 bool
1247 1336
1248 config SGI_HAS_I8042 1337 config SGI_HAS_I8042
1249 bool 1338 bool
1250 1339
1251 config DEFAULT_SGI_PARTITION 1340 config DEFAULT_SGI_PARTITION
1252 bool 1341 bool
1253 1342
1254 config FW_ARC32 1343 config FW_ARC32
1255 bool 1344 bool
1256 1345
1257 config FW_SNIPROM 1346 config FW_SNIPROM
1258 bool 1347 bool
1259 1348
1260 config BOOT_ELF32 1349 config BOOT_ELF32
1261 bool 1350 bool
1262 1351
1263 config MIPS_L1_CACHE_SHIFT_4 1352 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1353 bool
1265 1354
1266 config MIPS_L1_CACHE_SHIFT_5 1355 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1356 bool
1268 1357
1269 config MIPS_L1_CACHE_SHIFT_6 1358 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1359 bool
1271 1360
1272 config MIPS_L1_CACHE_SHIFT_7 1361 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1362 bool
1274 1363
1275 config MIPS_L1_CACHE_SHIFT 1364 config MIPS_L1_CACHE_SHIFT
1276 int 1365 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1366 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1367 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1368 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1369 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1370 default "5"
1282 1371
1283 config ARC_CMDLINE_ONLY 1372 config ARC_CMDLINE_ONLY
1284 bool 1373 bool
1285 1374
1286 config ARC_CONSOLE 1375 config ARC_CONSOLE
1287 bool "ARC console support" 1376 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1377 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1378
1290 config ARC_MEMORY 1379 config ARC_MEMORY
1291 bool 1380 bool
1292 1381
1293 config ARC_PROMLIB 1382 config ARC_PROMLIB
1294 bool 1383 bool
1295 1384
1296 config FW_ARC64 1385 config FW_ARC64
1297 bool 1386 bool
1298 1387
1299 config BOOT_ELF64 1388 config BOOT_ELF64
1300 bool 1389 bool
1301 1390
1302 menu "CPU selection" 1391 menu "CPU selection"
1303 1392
1304 choice 1393 choice
1305 prompt "CPU type" 1394 prompt "CPU type"
1306 default CPU_R4X00 1395 default CPU_R4X00
1307 1396
1308 config CPU_LOONGSON64 1397 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1398 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1399 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1400 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1401 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1402 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1403 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1404 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1405 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1406 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1407 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1408 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1409 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1410 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1411 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1412 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1413 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT <<
1328 select GPIOLIB 1414 select GPIOLIB
1329 select SWIOTLB 1415 select SWIOTLB
>> 1416 select HAVE_KVM
>> 1417 help
>> 1418 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1419 cores implements the MIPS64R2 instruction set with many extensions,
>> 1420 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1421 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1422 Loongson-2E/2F is not covered here and will be removed in future.
>> 1423
>> 1424 config LOONGSON3_ENHANCEMENT
>> 1425 bool "New Loongson-3 CPU Enhancements"
>> 1426 default n
>> 1427 depends on CPU_LOONGSON64
>> 1428 help
>> 1429 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1430 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1431 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1432 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1433 Fast TLB refill support, etc.
>> 1434
>> 1435 This option enable those enhancements which are not probed at run
>> 1436 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1437 please say 'N' here. If you want a high-performance kernel to run on
>> 1438 new Loongson-3 machines only, please say 'Y' here.
>> 1439
>> 1440 config CPU_LOONGSON3_WORKAROUNDS
>> 1441 bool "Old Loongson-3 LLSC Workarounds"
>> 1442 default y if SMP
>> 1443 depends on CPU_LOONGSON64
1330 help 1444 help
1331 The Loongson GSx64(GS264/GS464/GS46 !! 1445 Loongson-3 processors have the llsc issues which require workarounds.
1332 cores implements the MIPS64R2 instr !! 1446 Without workarounds the system may hang unexpectedly.
1333 including most 64-bit Loongson-2 (2 !! 1447
1334 3B1000, 3B1500, 3A2000, 3A3000 and !! 1448 Newer Loongson-3 will fix these issues and no workarounds are needed.
1335 Loongson-2E/2F is not covered here !! 1449 The workarounds have no significant side effect on them but may
>> 1450 decrease the performance of the system so this option should be
>> 1451 disabled unless the kernel is intended to be run on old systems.
>> 1452
>> 1453 If unsure, please say Y.
>> 1454
>> 1455 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1456 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1457 default y
>> 1458 depends on CPU_LOONGSON64
>> 1459 help
>> 1460 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1461 userland to query CPU capabilities, much like CPUID on x86. This
>> 1462 option provides emulation of the instruction on older Loongson
>> 1463 cores, back to Loongson-3A1000.
>> 1464
>> 1465 If unsure, please say Y.
1336 1466
1337 config CPU_LOONGSON2E 1467 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1468 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1469 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1470 select CPU_LOONGSON2EF
1341 help 1471 help
1342 The Loongson 2E processor implement 1472 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1473 with many extensions.
1344 1474
1345 It has an internal FPGA northbridge 1475 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1476 bonito64.
1347 1477
1348 config CPU_LOONGSON2F 1478 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1479 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1480 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1481 select CPU_LOONGSON2EF
>> 1482 select GPIOLIB
1352 help 1483 help
1353 The Loongson 2F processor implement 1484 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1485 with many extensions.
1355 1486
1356 Loongson2F have built-in DDR2 and P 1487 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1488 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1489 Loongson2E.
1359 1490
1360 config CPU_LOONGSON1B 1491 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1492 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1493 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1494 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1495 select LEDS_GPIO_REGISTER
1365 help 1496 help
1366 The Loongson 1B is a 32-bit SoC, wh 1497 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1498 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1499 instruction set.
1369 1500
1370 config CPU_LOONGSON1C 1501 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1502 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1503 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1504 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1505 select LEDS_GPIO_REGISTER
1375 help 1506 help
1376 The Loongson 1C is a 32-bit SoC, wh 1507 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1508 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1509 instruction set.
1379 1510
1380 config CPU_MIPS32_R1 1511 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1512 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1513 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1514 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1515 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1516 select CPU_SUPPORTS_HIGHMEM
1386 help 1517 help
1387 Choose this option to build a kerne 1518 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1519 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1520 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1521 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1522 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1523 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1524 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1525 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1526 performance.
1396 1527
1397 config CPU_MIPS32_R2 1528 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1529 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1530 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1531 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1532 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1533 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1534 select CPU_SUPPORTS_MSA
>> 1535 select HAVE_KVM
1404 help 1536 help
1405 Choose this option to build a kerne 1537 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1538 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1539 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1540 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1541 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1542
1411 config CPU_MIPS32_R5 1543 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1544 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1545 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1546 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1547 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1548 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1549 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1550 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1551 select MIPS_O32_FP64_SUPPORT
1420 help 1552 help
1421 Choose this option to build a kerne 1553 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1554 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1555 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1556 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1557
1426 config CPU_MIPS32_R6 1558 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1559 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1560 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1561 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1562 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1563 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1564 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1565 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1566 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1567 select MIPS_O32_FP64_SUPPORT
1436 help 1568 help
1437 Choose this option to build a kerne 1569 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1570 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1571 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1572 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1573
1442 config CPU_MIPS64_R1 1574 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1575 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1576 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1577 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1578 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1579 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1580 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1581 select CPU_SUPPORTS_HUGEPAGES
1450 help 1582 help
1451 Choose this option to build a kerne 1583 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1584 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1585 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1586 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1587 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1588 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1589 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1590 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1591 performance.
1460 1592
1461 config CPU_MIPS64_R2 1593 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1594 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1595 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1596 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1597 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1598 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1599 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1600 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1601 select CPU_SUPPORTS_MSA
>> 1602 select HAVE_KVM
1470 help 1603 help
1471 Choose this option to build a kerne 1604 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1605 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1606 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1607 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1608 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1609
1477 config CPU_MIPS64_R5 1610 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1611 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1612 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1613 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1614 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1615 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1616 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1617 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1618 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1619 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1620 select HAVE_KVM
1488 help 1621 help
1489 Choose this option to build a kerne 1622 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1623 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1624 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1625 any hardware known to be based on this release.
1493 1626
1494 config CPU_MIPS64_R6 1627 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1628 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1629 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1630 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1631 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1632 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1633 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1634 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1635 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1636 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1637 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1638 select HAVE_KVM
1506 help 1639 help
1507 Choose this option to build a kerne 1640 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1641 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1642 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1643 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1644
1512 config CPU_P5600 1645 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1646 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1647 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1648 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1649 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1650 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1651 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1652 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1653 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1654 select CPU_MIPSR2_IRQ_EI
>> 1655 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1656 select MIPS_O32_FP64_SUPPORT
1524 help 1657 help
1525 Choose this option to build a kerne 1658 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1659 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1660 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1661 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1662 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1663 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1664 eJTAG and PDtrace.
1532 1665
1533 config CPU_R3000 1666 config CPU_R3000
1534 bool "R3000" 1667 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1668 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1669 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1670 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1671 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1672 select CPU_SUPPORTS_HIGHMEM
1540 help 1673 help
1541 Please make sure to pick the right 1674 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1675 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1676 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1677 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1678 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1679 try to recompile with R3000.
1547 1680
>> 1681 config CPU_TX39XX
>> 1682 bool "R39XX"
>> 1683 depends on SYS_HAS_CPU_TX39XX
>> 1684 select CPU_SUPPORTS_32BIT_KERNEL
>> 1685 select CPU_R3K_TLB
>> 1686
>> 1687 config CPU_VR41XX
>> 1688 bool "R41xx"
>> 1689 depends on SYS_HAS_CPU_VR41XX
>> 1690 select CPU_SUPPORTS_32BIT_KERNEL
>> 1691 select CPU_SUPPORTS_64BIT_KERNEL
>> 1692 help
>> 1693 The options selects support for the NEC VR4100 series of processors.
>> 1694 Only choose this option if you have one of these processors as a
>> 1695 kernel built with this option will not run on any other type of
>> 1696 processor or vice versa.
>> 1697
1548 config CPU_R4300 1698 config CPU_R4300
1549 bool "R4300" 1699 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1700 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1701 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1702 select CPU_SUPPORTS_64BIT_KERNEL
>> 1703 select CPU_HAS_LOAD_STORE_LR
1553 help 1704 help
1554 MIPS Technologies R4300-series proc 1705 MIPS Technologies R4300-series processors.
1555 1706
1556 config CPU_R4X00 1707 config CPU_R4X00
1557 bool "R4x00" 1708 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1709 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1710 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1711 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1712 select CPU_SUPPORTS_HUGEPAGES
1562 help 1713 help
1563 MIPS Technologies R4000-series proc 1714 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1715 the R4000, R4400, R4600, and 4700.
1565 1716
1566 config CPU_TX49XX 1717 config CPU_TX49XX
1567 bool "R49XX" 1718 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1719 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1720 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1721 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1722 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1723 select CPU_SUPPORTS_HUGEPAGES
1573 1724
1574 config CPU_R5000 1725 config CPU_R5000
1575 bool "R5000" 1726 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1727 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1728 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1729 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1730 select CPU_SUPPORTS_HUGEPAGES
1580 help 1731 help
1581 MIPS Technologies R5000-series proc 1732 MIPS Technologies R5000-series processors other than the Nevada.
1582 1733
1583 config CPU_R5500 1734 config CPU_R5500
1584 bool "R5500" 1735 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1736 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1737 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1738 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1739 select CPU_SUPPORTS_HUGEPAGES
1589 help 1740 help
1590 NEC VR5500 and VR5500A series proce 1741 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1742 instruction set.
1592 1743
1593 config CPU_NEVADA 1744 config CPU_NEVADA
1594 bool "RM52xx" 1745 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1746 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1747 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1748 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1749 select CPU_SUPPORTS_HUGEPAGES
1599 help 1750 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1751 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1752
1602 config CPU_R10000 1753 config CPU_R10000
1603 bool "R10000" 1754 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1755 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1756 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1757 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1758 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1759 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1760 select CPU_SUPPORTS_HUGEPAGES
1610 help 1761 help
1611 MIPS Technologies R10000-series pro 1762 MIPS Technologies R10000-series processors.
1612 1763
1613 config CPU_RM7000 1764 config CPU_RM7000
1614 bool "RM7000" 1765 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1766 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1767 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1768 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1769 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1770 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1771 select CPU_SUPPORTS_HUGEPAGES
1621 1772
1622 config CPU_SB1 1773 config CPU_SB1
1623 bool "SB1" 1774 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1775 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1776 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1777 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1778 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1779 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1780 select WEAK_ORDERING
1630 1781
1631 config CPU_CAVIUM_OCTEON 1782 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1783 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1784 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1785 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1786 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 1787 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1788 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1789 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1790 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1791 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1792 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1793 select HAVE_KVM
1645 help 1794 help
1646 The Cavium Octeon processor is a hi 1795 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1796 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1797 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1798 Full details can be found at http://www.caviumnetworks.com.
1650 1799
1651 config CPU_BMIPS 1800 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1801 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1802 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1803 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1804 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1805 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1806 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1807 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1808 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1809 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1810 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1811 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1812 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1813 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1814 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1815 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1816 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL <<
1669 help 1817 help
1670 Support for BMIPS32/3300/4350/4380 1818 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1819
1672 endchoice !! 1820 config CPU_XLR
1673 !! 1821 bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT !! 1822 depends on SYS_HAS_CPU_XLR
1675 bool "New Loongson-3 CPU Enhancements !! 1823 select CPU_SUPPORTS_32BIT_KERNEL
1676 default n !! 1824 select CPU_SUPPORTS_64BIT_KERNEL
1677 depends on CPU_LOONGSON64 !! 1825 select CPU_SUPPORTS_HIGHMEM
1678 help !! 1826 select CPU_SUPPORTS_HUGEPAGES
1679 New Loongson-3 cores (since Loongso !! 1827 select WEAK_ORDERING
1680 R1, Loongson-3B R1 and Loongson-3B !! 1828 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 1829 help
1695 Loongson-3 processors have the llsc !! 1830 Netlogic Microsystems XLR/XLS processors.
1696 Without workarounds the system may <<
1697 1831
1698 Say Y, unless you know what you are !! 1832 config CPU_XLP
1699 !! 1833 bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION !! 1834 depends on SYS_HAS_CPU_XLP
1701 bool "Emulate the CPUCFG instruction !! 1835 select CPU_SUPPORTS_32BIT_KERNEL
1702 default y !! 1836 select CPU_SUPPORTS_64BIT_KERNEL
1703 depends on CPU_LOONGSON64 !! 1837 select CPU_SUPPORTS_HIGHMEM
>> 1838 select WEAK_ORDERING
>> 1839 select WEAK_REORDERING_BEYOND_LLSC
>> 1840 select CPU_HAS_PREFETCH
>> 1841 select CPU_MIPSR2
>> 1842 select CPU_SUPPORTS_HUGEPAGES
>> 1843 select MIPS_ASID_BITS_VARIABLE
1704 help 1844 help
1705 Loongson-3A R4 and newer have the C !! 1845 Netlogic Microsystems XLP processors.
1706 userland to query CPU capabilities, !! 1846 endchoice
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 1847
1712 config CPU_MIPS32_3_5_FEATURES 1848 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1849 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1850 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1851 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1852 CPU_P5600
1717 help 1853 help
1718 Choose this option to build a kerne 1854 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1855 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1856 support for Enhanced Virtual Addressing (EVA).
1721 1857
1722 config CPU_MIPS32_3_5_EVA 1858 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1859 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1860 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1861 select EVA
1726 default y 1862 default y
1727 help 1863 help
1728 Choose this option if you want to e 1864 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1865 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1866 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1867 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1868
1733 config CPU_MIPS32_R5_FEATURES 1869 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1870 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1871 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1872 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1873 help
1738 Choose this option to build a kerne 1874 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1875 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1876 support for Extended Physical Addressing (XPA).
1741 1877
1742 config CPU_MIPS32_R5_XPA 1878 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1879 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1880 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1881 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1882 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1883 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1884 select XPA
1749 select HIGHMEM 1885 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1886 select PHYS_ADDR_T_64BIT
1751 default n 1887 default n
1752 help 1888 help
1753 Choose this option if you want to e 1889 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1890 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1891 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1892 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1893 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1894 If unsure, say 'N' here.
1759 1895
1760 if CPU_LOONGSON2F 1896 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1897 config CPU_NOP_WORKAROUNDS
1762 bool 1898 bool
1763 1899
1764 config CPU_JUMP_WORKAROUNDS 1900 config CPU_JUMP_WORKAROUNDS
1765 bool 1901 bool
1766 1902
1767 config CPU_LOONGSON2F_WORKAROUNDS 1903 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1904 bool "Loongson 2F Workarounds"
1769 default y 1905 default y
1770 select CPU_NOP_WORKAROUNDS 1906 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1907 select CPU_JUMP_WORKAROUNDS
1772 help 1908 help
1773 Loongson 2F01 / 2F02 processors hav 1909 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1910 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1911 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1912 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1913
1778 Loongson 2F03 and later have fixed 1914 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1915 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1916 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1917 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1918 systems.
1783 1919
1784 If unsure, please say Y. 1920 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1921 endif # CPU_LOONGSON2F
1786 1922
1787 config SYS_SUPPORTS_ZBOOT 1923 config SYS_SUPPORTS_ZBOOT
1788 bool 1924 bool
1789 select HAVE_KERNEL_GZIP 1925 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1926 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1927 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1928 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1929 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1930 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1931 select HAVE_KERNEL_ZSTD
1796 1932
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1933 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1934 bool
1799 select SYS_SUPPORTS_ZBOOT 1935 select SYS_SUPPORTS_ZBOOT
1800 1936
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1937 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1938 bool
1803 select SYS_SUPPORTS_ZBOOT 1939 select SYS_SUPPORTS_ZBOOT
1804 1940
1805 config CPU_LOONGSON2EF 1941 config CPU_LOONGSON2EF
1806 bool 1942 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1943 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1944 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1945 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1946 select CPU_SUPPORTS_HUGEPAGES
>> 1947 select ARCH_HAS_PHYS_TO_DMA
1811 1948
1812 config CPU_LOONGSON32 1949 config CPU_LOONGSON32
1813 bool 1950 bool
1814 select CPU_MIPS32 1951 select CPU_MIPS32
1815 select CPU_MIPSR2 1952 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1953 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1954 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1955 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1956 select CPU_SUPPORTS_CPUFREQ
1820 1957
1821 config CPU_BMIPS32_3300 1958 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1959 select SMP_UP if SMP
1823 bool 1960 bool
1824 1961
1825 config CPU_BMIPS4350 1962 config CPU_BMIPS4350
1826 bool 1963 bool
1827 select SYS_SUPPORTS_SMP 1964 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1965 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1966
1830 config CPU_BMIPS4380 1967 config CPU_BMIPS4380
1831 bool 1968 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1969 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1970 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1971 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1972 select CPU_HAS_RIXI
1836 1973
1837 config CPU_BMIPS5000 1974 config CPU_BMIPS5000
1838 bool 1975 bool
1839 select MIPS_CPU_SCACHE 1976 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1977 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1978 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1979 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1980 select CPU_HAS_RIXI
1844 1981
1845 config SYS_HAS_CPU_LOONGSON64 1982 config SYS_HAS_CPU_LOONGSON64
1846 bool 1983 bool
1847 select CPU_SUPPORTS_CPUFREQ 1984 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1985 select CPU_HAS_RIXI
1849 1986
1850 config SYS_HAS_CPU_LOONGSON2E 1987 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1988 bool
1852 1989
1853 config SYS_HAS_CPU_LOONGSON2F 1990 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1991 bool
1855 select CPU_SUPPORTS_CPUFREQ 1992 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1993 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1994
1858 config SYS_HAS_CPU_LOONGSON1B 1995 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1996 bool
1860 1997
1861 config SYS_HAS_CPU_LOONGSON1C 1998 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1999 bool
1863 2000
1864 config SYS_HAS_CPU_MIPS32_R1 2001 config SYS_HAS_CPU_MIPS32_R1
1865 bool 2002 bool
1866 2003
1867 config SYS_HAS_CPU_MIPS32_R2 2004 config SYS_HAS_CPU_MIPS32_R2
1868 bool 2005 bool
1869 2006
1870 config SYS_HAS_CPU_MIPS32_R3_5 2007 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 2008 bool
1872 2009
1873 config SYS_HAS_CPU_MIPS32_R5 2010 config SYS_HAS_CPU_MIPS32_R5
1874 bool 2011 bool
>> 2012 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875 2013
1876 config SYS_HAS_CPU_MIPS32_R6 2014 config SYS_HAS_CPU_MIPS32_R6
1877 bool 2015 bool
>> 2016 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878 2017
1879 config SYS_HAS_CPU_MIPS64_R1 2018 config SYS_HAS_CPU_MIPS64_R1
1880 bool 2019 bool
1881 2020
1882 config SYS_HAS_CPU_MIPS64_R2 2021 config SYS_HAS_CPU_MIPS64_R2
1883 bool 2022 bool
1884 2023
1885 config SYS_HAS_CPU_MIPS64_R5 <<
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 2024 config SYS_HAS_CPU_MIPS64_R6
1889 bool 2025 bool
>> 2026 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890 2027
1891 config SYS_HAS_CPU_P5600 2028 config SYS_HAS_CPU_P5600
1892 bool 2029 bool
>> 2030 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893 2031
1894 config SYS_HAS_CPU_R3000 2032 config SYS_HAS_CPU_R3000
1895 bool 2033 bool
1896 2034
>> 2035 config SYS_HAS_CPU_TX39XX
>> 2036 bool
>> 2037
>> 2038 config SYS_HAS_CPU_VR41XX
>> 2039 bool
>> 2040
1897 config SYS_HAS_CPU_R4300 2041 config SYS_HAS_CPU_R4300
1898 bool 2042 bool
1899 2043
1900 config SYS_HAS_CPU_R4X00 2044 config SYS_HAS_CPU_R4X00
1901 bool 2045 bool
1902 2046
1903 config SYS_HAS_CPU_TX49XX 2047 config SYS_HAS_CPU_TX49XX
1904 bool 2048 bool
1905 2049
1906 config SYS_HAS_CPU_R5000 2050 config SYS_HAS_CPU_R5000
1907 bool 2051 bool
1908 2052
1909 config SYS_HAS_CPU_R5500 2053 config SYS_HAS_CPU_R5500
1910 bool 2054 bool
1911 2055
1912 config SYS_HAS_CPU_NEVADA 2056 config SYS_HAS_CPU_NEVADA
1913 bool 2057 bool
1914 2058
1915 config SYS_HAS_CPU_R10000 2059 config SYS_HAS_CPU_R10000
1916 bool 2060 bool
>> 2061 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917 2062
1918 config SYS_HAS_CPU_RM7000 2063 config SYS_HAS_CPU_RM7000
1919 bool 2064 bool
1920 2065
1921 config SYS_HAS_CPU_SB1 2066 config SYS_HAS_CPU_SB1
1922 bool 2067 bool
1923 2068
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 2069 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 2070 bool
1926 2071
1927 config SYS_HAS_CPU_BMIPS 2072 config SYS_HAS_CPU_BMIPS
1928 bool 2073 bool
1929 2074
1930 config SYS_HAS_CPU_BMIPS32_3300 2075 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 2076 bool
1932 select SYS_HAS_CPU_BMIPS 2077 select SYS_HAS_CPU_BMIPS
1933 2078
1934 config SYS_HAS_CPU_BMIPS4350 2079 config SYS_HAS_CPU_BMIPS4350
1935 bool 2080 bool
1936 select SYS_HAS_CPU_BMIPS 2081 select SYS_HAS_CPU_BMIPS
1937 2082
1938 config SYS_HAS_CPU_BMIPS4380 2083 config SYS_HAS_CPU_BMIPS4380
1939 bool 2084 bool
1940 select SYS_HAS_CPU_BMIPS 2085 select SYS_HAS_CPU_BMIPS
1941 2086
1942 config SYS_HAS_CPU_BMIPS5000 2087 config SYS_HAS_CPU_BMIPS5000
1943 bool 2088 bool
1944 select SYS_HAS_CPU_BMIPS 2089 select SYS_HAS_CPU_BMIPS
>> 2090 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2091
>> 2092 config SYS_HAS_CPU_XLR
>> 2093 bool
>> 2094
>> 2095 config SYS_HAS_CPU_XLP
>> 2096 bool
1945 2097
1946 # 2098 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 2099 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 2100 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 2101 #
1950 config WEAK_ORDERING 2102 config WEAK_ORDERING
1951 bool 2103 bool
1952 2104
1953 # 2105 #
1954 # CPU may reorder reads and writes beyond LL/ 2106 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 2107 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 2108 #
1957 config WEAK_REORDERING_BEYOND_LLSC 2109 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 2110 bool
1959 endmenu 2111 endmenu
1960 2112
1961 # 2113 #
1962 # These two indicate any level of the MIPS32 2114 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 2115 #
1964 config CPU_MIPS32 2116 config CPU_MIPS32
1965 bool 2117 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 2118 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 2119 CPU_MIPS32_R6 || CPU_P5600
1968 2120
1969 config CPU_MIPS64 2121 config CPU_MIPS64
1970 bool 2122 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 2123 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO !! 2124 CPU_MIPS64_R6
1973 2125
1974 # 2126 #
1975 # These indicate the revision of the architec 2127 # These indicate the revision of the architecture
1976 # 2128 #
1977 config CPU_MIPSR1 2129 config CPU_MIPSR1
1978 bool 2130 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 2131 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 2132
1981 config CPU_MIPSR2 2133 config CPU_MIPSR2
1982 bool 2134 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 2135 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 2136 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2137 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 2138 select MIPS_SPRAM
1987 2139
1988 config CPU_MIPSR5 2140 config CPU_MIPSR5
1989 bool 2141 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 2142 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 2143 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2144 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 2145 select MIPS_SPRAM
1994 2146
1995 config CPU_MIPSR6 2147 config CPU_MIPSR6
1996 bool 2148 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 2149 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 2150 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 2151 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 2152 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 2153 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 2154 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 2155 select MIPS_SPRAM
2004 2156
2005 config TARGET_ISA_REV 2157 config TARGET_ISA_REV
2006 int 2158 int
2007 default 1 if CPU_MIPSR1 2159 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 2160 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 2161 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 2162 default 6 if CPU_MIPSR6
2011 default 0 2163 default 0
2012 help 2164 help
2013 Reflects the ISA revision being tar 2165 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 2166 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 2167
2016 config EVA 2168 config EVA
2017 bool 2169 bool
2018 2170
2019 config XPA 2171 config XPA
2020 bool 2172 bool
2021 2173
2022 config SYS_SUPPORTS_32BIT_KERNEL 2174 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 2175 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 2176 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 2177 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 2178 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 2179 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 2180 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 2181 bool
2030 config CPU_SUPPORTS_CPUFREQ 2182 config CPU_SUPPORTS_CPUFREQ
2031 bool 2183 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 2184 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 2185 bool
2034 config CPU_SUPPORTS_HUGEPAGES 2186 config CPU_SUPPORTS_HUGEPAGES
2035 bool 2187 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 !! 2188 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 2189 config MIPS_PGD_C0_CONTEXT
2040 bool 2190 bool
2041 depends on 64BIT !! 2191 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042 default y if (CPU_MIPSR2 || CPU_MIPSR <<
2043 2192
2044 # 2193 #
2045 # Set to y for ptrace access to watch registe 2194 # Set to y for ptrace access to watch registers.
2046 # 2195 #
2047 config HARDWARE_WATCHPOINTS 2196 config HARDWARE_WATCHPOINTS
2048 bool 2197 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2198 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2199
2051 menu "Kernel type" 2200 menu "Kernel type"
2052 2201
2053 choice 2202 choice
2054 prompt "Kernel code model" 2203 prompt "Kernel code model"
2055 help 2204 help
2056 You should only select this option 2205 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2206 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2207 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2208 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2209
2061 config 32BIT 2210 config 32BIT
2062 bool "32-bit kernel" 2211 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2212 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2213 select TRAD_SIGNALS
2065 help 2214 help
2066 Select this option if you want to b 2215 Select this option if you want to build a 32-bit kernel.
2067 2216
2068 config 64BIT 2217 config 64BIT
2069 bool "64-bit kernel" 2218 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2219 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2220 help
2072 Select this option if you want to b 2221 Select this option if you want to build a 64-bit kernel.
2073 2222
2074 endchoice 2223 endchoice
2075 2224
>> 2225 config KVM_GUEST
>> 2226 bool "KVM Guest Kernel"
>> 2227 depends on CPU_MIPS32_R2
>> 2228 depends on !64BIT && BROKEN_ON_SMP
>> 2229 help
>> 2230 Select this option if building a guest kernel for KVM (Trap & Emulate)
>> 2231 mode.
>> 2232
>> 2233 config KVM_GUEST_TIMER_FREQ
>> 2234 int "Count/Compare Timer Frequency (MHz)"
>> 2235 depends on KVM_GUEST
>> 2236 default 100
>> 2237 help
>> 2238 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2239 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2240 timer frequency is specified directly.
>> 2241
2076 config MIPS_VA_BITS_48 2242 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2243 bool "48 bits virtual memory"
2078 depends on 64BIT 2244 depends on 64BIT
2079 help 2245 help
2080 Support a maximum at least 48 bits 2246 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2247 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2248 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2249 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2250 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2251 overhead as well as slower TLB fault handling.
2086 2252
2087 If unsure, say N. 2253 If unsure, say N.
2088 2254
2089 config ZBOOT_LOAD_ADDRESS !! 2255 choice
2090 hex "Compressed kernel load address" !! 2256 prompt "Kernel page size"
2091 default 0xffffffff80400000 if BCM47XX !! 2257 default PAGE_SIZE_4KB
2092 default 0x0 !! 2258
2093 depends on SYS_SUPPORTS_ZBOOT !! 2259 config PAGE_SIZE_4KB
2094 help !! 2260 bool "4kB"
2095 The address to load compressed kern !! 2261 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2262 help
>> 2263 This option select the standard 4kB Linux page size. On some
>> 2264 R3000-family processors this is the only available page size. Using
>> 2265 4kB page size will minimize memory consumption and is therefore
>> 2266 recommended for low memory systems.
>> 2267
>> 2268 config PAGE_SIZE_8KB
>> 2269 bool "8kB"
>> 2270 depends on CPU_CAVIUM_OCTEON
>> 2271 depends on !MIPS_VA_BITS_48
>> 2272 help
>> 2273 Using 8kB page size will result in higher performance kernel at
>> 2274 the price of higher memory consumption. This option is available
>> 2275 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2276 distribution to support this.
>> 2277
>> 2278 config PAGE_SIZE_16KB
>> 2279 bool "16kB"
>> 2280 depends on !CPU_R3000 && !CPU_TX39XX
>> 2281 help
>> 2282 Using 16kB page size will result in higher performance kernel at
>> 2283 the price of higher memory consumption. This option is available on
>> 2284 all non-R3000 family processors. Note that you will need a suitable
>> 2285 Linux distribution to support this.
>> 2286
>> 2287 config PAGE_SIZE_32KB
>> 2288 bool "32kB"
>> 2289 depends on CPU_CAVIUM_OCTEON
>> 2290 depends on !MIPS_VA_BITS_48
>> 2291 help
>> 2292 Using 32kB page size will result in higher performance kernel at
>> 2293 the price of higher memory consumption. This option is available
>> 2294 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2295 distribution to support this.
>> 2296
>> 2297 config PAGE_SIZE_64KB
>> 2298 bool "64kB"
>> 2299 depends on !CPU_R3000 && !CPU_TX39XX
>> 2300 help
>> 2301 Using 64kB page size will result in higher performance kernel at
>> 2302 the price of higher memory consumption. This option is available on
>> 2303 all non-R3000 family processor. Not that at the time of this
>> 2304 writing this option is still high experimental.
2096 2305
2097 This is only used if non-zero. !! 2306 endchoice
2098 2307
2099 config ARCH_FORCE_MAX_ORDER !! 2308 config FORCE_MAX_ZONEORDER
2100 int "Maximum zone order" 2309 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 2310 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 2311 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 2312 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104 default "10" !! 2313 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2314 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2315 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2316 range 0 64
>> 2317 default "11"
2105 help 2318 help
2106 The kernel memory allocator divides 2319 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2320 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2321 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2322 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2323 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2324 increase this value.
2112 2325
>> 2326 This config option is actually maximum order plus one. For example,
>> 2327 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2328
2113 The page size is not necessarily 4K 2329 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2330 when choosing a value for this option.
2115 2331
2116 config BOARD_SCACHE 2332 config BOARD_SCACHE
2117 bool 2333 bool
2118 2334
2119 config IP22_CPU_SCACHE 2335 config IP22_CPU_SCACHE
2120 bool 2336 bool
2121 select BOARD_SCACHE 2337 select BOARD_SCACHE
2122 2338
2123 # 2339 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2340 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2341 #
2126 config MIPS_CPU_SCACHE 2342 config MIPS_CPU_SCACHE
2127 bool 2343 bool
2128 select BOARD_SCACHE 2344 select BOARD_SCACHE
2129 2345
2130 config R5000_CPU_SCACHE 2346 config R5000_CPU_SCACHE
2131 bool 2347 bool
2132 select BOARD_SCACHE 2348 select BOARD_SCACHE
2133 2349
2134 config RM7000_CPU_SCACHE 2350 config RM7000_CPU_SCACHE
2135 bool 2351 bool
2136 select BOARD_SCACHE 2352 select BOARD_SCACHE
2137 2353
2138 config SIBYTE_DMA_PAGEOPS 2354 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2355 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2356 depends on CPU_SB1
2141 help 2357 help
2142 Instead of using the CPU to zero an 2358 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2359 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2360 SiByte Linux port. Seems to give a small performance benefit.
2145 2361
2146 config CPU_HAS_PREFETCH 2362 config CPU_HAS_PREFETCH
2147 bool 2363 bool
2148 2364
2149 config CPU_GENERIC_DUMP_TLB 2365 config CPU_GENERIC_DUMP_TLB
2150 bool 2366 bool
2151 default y if !CPU_R3000 !! 2367 default y if !(CPU_R3000 || CPU_TX39XX)
2152 2368
2153 config MIPS_FP_SUPPORT 2369 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2370 bool "Floating Point support" if EXPERT
2155 default y 2371 default y
2156 help 2372 help
2157 Select y to include support for flo 2373 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2374 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2375 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2376 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2377 receive a SIGILL.
2162 2378
2163 If you know that your userland will 2379 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2380 instructions then you can say n here to shrink the kernel a little.
2165 2381
2166 If unsure, say y. 2382 If unsure, say y.
2167 2383
2168 config CPU_R2300_FPU 2384 config CPU_R2300_FPU
2169 bool 2385 bool
2170 depends on MIPS_FP_SUPPORT 2386 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 !! 2387 default y if CPU_R3000 || CPU_TX39XX
2172 2388
2173 config CPU_R3K_TLB 2389 config CPU_R3K_TLB
2174 bool 2390 bool
2175 2391
2176 config CPU_R4K_FPU 2392 config CPU_R4K_FPU
2177 bool 2393 bool
2178 depends on MIPS_FP_SUPPORT 2394 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2395 default y if !CPU_R2300_FPU
2180 2396
2181 config CPU_R4K_CACHE_TLB 2397 config CPU_R4K_CACHE_TLB
2182 bool 2398 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2399 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2400
2185 config MIPS_MT_SMP 2401 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2402 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2403 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2404 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2405 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2406 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2407 select SYNC_R4K
2193 select MIPS_MT 2408 select MIPS_MT
2194 select SMP 2409 select SMP
2195 select SMP_UP 2410 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2411 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2412 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2413 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2414 help
2200 This is a kernel model which is kno 2415 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2416 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2417 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2418 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2419 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2420
2206 config MIPS_MT 2421 config MIPS_MT
2207 bool 2422 bool
2208 2423
2209 config SCHED_SMT 2424 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2425 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2426 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2427 default n
2213 help 2428 help
2214 SMT scheduler support improves the 2429 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2430 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2431 increased overhead in some places. If unsure say N here.
2217 2432
2218 config SYS_SUPPORTS_SCHED_SMT 2433 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2434 bool
2220 2435
2221 config SYS_SUPPORTS_MULTITHREADING 2436 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2437 bool
2223 2438
2224 config MIPS_MT_FPAFF 2439 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2440 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2441 default y
2227 depends on MIPS_MT_SMP 2442 depends on MIPS_MT_SMP
2228 2443
2229 config MIPSR2_TO_R6_EMULATOR 2444 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2445 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2446 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2447 depends on MIPS_FP_SUPPORT
2233 default y 2448 default y
2234 help 2449 help
2235 Choose this option if you want to r 2450 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2451 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2452 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2453 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2454 final kernel image.
2240 2455
2241 config SYS_SUPPORTS_VPE_LOADER 2456 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2457 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2458 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2459 help
2245 Indicates that the platform support 2460 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2461 physical_memsize.
2247 2462
2248 config MIPS_VPE_LOADER 2463 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2464 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2465 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2466 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2467 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2468 select MIPS_MT
2254 help 2469 help
2255 Includes a loader for loading an el 2470 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2471 onto another VPE and running it.
2257 2472
>> 2473 config MIPS_VPE_LOADER_CMP
>> 2474 bool
>> 2475 default "y"
>> 2476 depends on MIPS_VPE_LOADER && MIPS_CMP
>> 2477
2258 config MIPS_VPE_LOADER_MT 2478 config MIPS_VPE_LOADER_MT
2259 bool 2479 bool
2260 default "y" 2480 default "y"
2261 depends on MIPS_VPE_LOADER !! 2481 depends on MIPS_VPE_LOADER && !MIPS_CMP
2262 2482
2263 config MIPS_VPE_LOADER_TOM 2483 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2484 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2485 depends on MIPS_VPE_LOADER
2266 default y 2486 default y
2267 help 2487 help
2268 The loader can use memory that is p 2488 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2489 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2490 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2491 program requires is less or equal to the amount physically present.
2272 2492
2273 config MIPS_VPE_APSP_API 2493 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2494 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2495 depends on MIPS_VPE_LOADER
2276 2496
>> 2497 config MIPS_VPE_APSP_API_CMP
>> 2498 bool
>> 2499 default "y"
>> 2500 depends on MIPS_VPE_APSP_API && MIPS_CMP
>> 2501
2277 config MIPS_VPE_APSP_API_MT 2502 config MIPS_VPE_APSP_API_MT
2278 bool 2503 bool
2279 default "y" 2504 default "y"
2280 depends on MIPS_VPE_APSP_API !! 2505 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2506
>> 2507 config MIPS_CMP
>> 2508 bool "MIPS CMP framework support (DEPRECATED)"
>> 2509 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2510 select SMP
>> 2511 select SYNC_R4K
>> 2512 select SYS_SUPPORTS_SMP
>> 2513 select WEAK_ORDERING
>> 2514 default n
>> 2515 help
>> 2516 Select this if you are using a bootloader which implements the "CMP
>> 2517 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2518 its ability to start secondary CPUs.
>> 2519
>> 2520 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2521 instead of this.
2281 2522
2282 config MIPS_CPS 2523 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2524 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2525 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2526 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2527 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2528 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2529 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2530 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2531 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2532 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2533 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2534 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2535 help
2296 Select this if you wish to run an S 2536 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2537 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2538 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2539 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2540 support is unavailable.
2301 2541
2302 config MIPS_CPS_PM 2542 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2543 depends on MIPS_CPS
2304 bool 2544 bool
2305 2545
2306 config MIPS_CM 2546 config MIPS_CM
2307 bool 2547 bool
2308 select MIPS_CPC 2548 select MIPS_CPC
2309 2549
2310 config MIPS_CPC 2550 config MIPS_CPC
2311 bool 2551 bool
2312 2552
2313 config SB1_PASS_2_WORKAROUNDS 2553 config SB1_PASS_2_WORKAROUNDS
2314 bool 2554 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2555 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2556 default y
2317 2557
2318 config SB1_PASS_2_1_WORKAROUNDS 2558 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2559 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2560 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2561 default y
2322 2562
2323 choice 2563 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2564 prompt "SmartMIPS or microMIPS ASE support"
2325 2565
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2566 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2567 bool "None"
2328 help 2568 help
2329 Select this if you want neither mic 2569 Select this if you want neither microMIPS nor SmartMIPS support
2330 2570
2331 config CPU_HAS_SMARTMIPS 2571 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2572 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2573 bool "SmartMIPS"
2334 help 2574 help
2335 SmartMIPS is a extension of the MIP 2575 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2576 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2577 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2578 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2579 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2580 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2581 here.
2342 2582
2343 config CPU_MICROMIPS 2583 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2584 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2585 bool "microMIPS"
2346 help 2586 help
2347 When this option is enabled the ker 2587 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2588 microMIPS ISA
2349 2589
2350 endchoice 2590 endchoice
2351 2591
2352 config CPU_HAS_MSA 2592 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2593 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2594 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2595 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2596 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2597 help
2358 MIPS SIMD Architecture (MSA) introd 2598 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2599 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2600 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2601 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2602 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2603 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2604 the size & complexity of your kernel.
2365 2605
2366 If unsure, say Y. 2606 If unsure, say Y.
2367 2607
2368 config CPU_HAS_WB 2608 config CPU_HAS_WB
2369 bool 2609 bool
2370 2610
2371 config XKS01 2611 config XKS01
2372 bool 2612 bool
2373 2613
2374 config CPU_HAS_DIEI 2614 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2615 depends on !CPU_DIEI_BROKEN
2376 bool 2616 bool
2377 2617
2378 config CPU_DIEI_BROKEN 2618 config CPU_DIEI_BROKEN
2379 bool 2619 bool
2380 2620
2381 config CPU_HAS_RIXI 2621 config CPU_HAS_RIXI
2382 bool 2622 bool
2383 2623
2384 config CPU_NO_LOAD_STORE_LR 2624 config CPU_NO_LOAD_STORE_LR
2385 bool 2625 bool
2386 help 2626 help
2387 CPU lacks support for unaligned loa 2627 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2628 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2629 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2630 systems).
2391 2631
2392 # 2632 #
2393 # Vectored interrupt mode is an R2 feature 2633 # Vectored interrupt mode is an R2 feature
2394 # 2634 #
2395 config CPU_MIPSR2_IRQ_VI 2635 config CPU_MIPSR2_IRQ_VI
2396 bool 2636 bool
2397 2637
2398 # 2638 #
2399 # Extended interrupt mode is an R2 feature 2639 # Extended interrupt mode is an R2 feature
2400 # 2640 #
2401 config CPU_MIPSR2_IRQ_EI 2641 config CPU_MIPSR2_IRQ_EI
2402 bool 2642 bool
2403 2643
2404 config CPU_HAS_SYNC 2644 config CPU_HAS_SYNC
2405 bool 2645 bool
2406 depends on !CPU_R3000 2646 depends on !CPU_R3000
2407 default y 2647 default y
2408 2648
2409 # 2649 #
2410 # CPU non-features 2650 # CPU non-features
2411 # 2651 #
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 2652 config CPU_DADDI_WORKAROUNDS
2427 bool 2653 bool
2428 2654
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 2655 config CPU_R4000_WORKAROUNDS
2448 bool 2656 bool
2449 select CPU_R4400_WORKAROUNDS 2657 select CPU_R4400_WORKAROUNDS
2450 2658
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 2659 config CPU_R4400_WORKAROUNDS
2458 bool 2660 bool
2459 2661
2460 config CPU_R4X00_BUGS64 2662 config CPU_R4X00_BUGS64
2461 bool 2663 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2664 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2665
2464 config MIPS_ASID_SHIFT 2666 config MIPS_ASID_SHIFT
2465 int 2667 int
2466 default 6 if CPU_R3000 !! 2668 default 6 if CPU_R3000 || CPU_TX39XX
2467 default 0 2669 default 0
2468 2670
2469 config MIPS_ASID_BITS 2671 config MIPS_ASID_BITS
2470 int 2672 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2673 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 !! 2674 default 6 if CPU_R3000 || CPU_TX39XX
2473 default 8 2675 default 8
2474 2676
2475 config MIPS_ASID_BITS_VARIABLE 2677 config MIPS_ASID_BITS_VARIABLE
2476 bool 2678 bool
2477 2679
2478 config MIPS_CRC_SUPPORT 2680 config MIPS_CRC_SUPPORT
2479 bool 2681 bool
2480 2682
2481 # R4600 erratum. Due to the lack of errata i 2683 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2684 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2685 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2686 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2687 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2688 bool
2487 2689
2488 # Pleasures of the R4600 V1.x. Cite from the 2690 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2691 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2692 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2693 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2694 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2695 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2696 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2697 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2698 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2699 # four instructions that are not any kind of load or store
2498 # instruction. 2700 # instruction.
2499 # 2701 #
2500 # This is not allowed: lw 2702 # This is not allowed: lw
2501 # nop 2703 # nop
2502 # nop 2704 # nop
2503 # nop 2705 # nop
2504 # cache Hi 2706 # cache Hit_Writeback_Invalidate_D
2505 # 2707 #
2506 # This is allowed: lw 2708 # This is allowed: lw
2507 # nop 2709 # nop
2508 # nop 2710 # nop
2509 # nop 2711 # nop
2510 # nop 2712 # nop
2511 # cache Hi 2713 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2714 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2715 bool
2514 2716
2515 # Writeback and invalidate the primary cache 2717 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2718 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2719 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2720 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2721 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2722 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2723 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2724 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2725 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2726 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2727 bool
2526 2728
2527 # From TX49/H2 manual: "If the instruction (i 2729 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2730 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2731 # operation is not guaranteed."
2530 # 2732 #
2531 # Workaround: do two phase flushing for Index 2733 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2734 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2735 bool
2534 2736
2535 # The RM7000 processors and the E9000 cores h 2737 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2738 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2739 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2740 # exceptions.
2539 config WAR_ICACHE_REFILLS 2741 config WAR_ICACHE_REFILLS
2540 bool 2742 bool
2541 2743
2542 # On the R10000 up to version 2.6 (not sure a 2744 # 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 2745 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2746 config WAR_R10000_LLSC
2545 bool 2747 bool
2546 2748
2547 # 34K core erratum: "Problems Executing the T 2749 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2750 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2751 bool
2550 2752
2551 # 2753 #
2552 # - Highmem only makes sense for the 32-bit k 2754 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2755 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2756 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2757 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2758 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2759 # 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 2760 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2761 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2762 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2763 # know they might have memory configurations that could make use of highmem
2562 # support. 2764 # support.
2563 # 2765 #
2564 config HIGHMEM 2766 config HIGHMEM
2565 bool "High Memory Support" 2767 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2768 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2769 select KMAP_LOCAL
2568 2770
2569 config CPU_SUPPORTS_HIGHMEM 2771 config CPU_SUPPORTS_HIGHMEM
2570 bool 2772 bool
2571 2773
2572 config SYS_SUPPORTS_HIGHMEM 2774 config SYS_SUPPORTS_HIGHMEM
2573 bool 2775 bool
2574 2776
2575 config SYS_SUPPORTS_SMARTMIPS 2777 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2778 bool
2577 2779
2578 config SYS_SUPPORTS_MICROMIPS 2780 config SYS_SUPPORTS_MICROMIPS
2579 bool 2781 bool
2580 2782
2581 config SYS_SUPPORTS_MIPS16 2783 config SYS_SUPPORTS_MIPS16
2582 bool 2784 bool
2583 help 2785 help
2584 This option must be set if a kernel 2786 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2787 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2788 words, it makes the kernel MIPS16-tolerant.
2587 2789
2588 config CPU_SUPPORTS_MSA 2790 config CPU_SUPPORTS_MSA
2589 bool 2791 bool
2590 2792
2591 config ARCH_FLATMEM_ENABLE 2793 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2794 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2795 depends on !NUMA && !CPU_LOONGSON2EF
2594 2796
2595 config ARCH_SPARSEMEM_ENABLE 2797 config ARCH_SPARSEMEM_ENABLE
2596 bool 2798 bool
>> 2799 select SPARSEMEM_STATIC if !SGI_IP27
2597 2800
2598 config NUMA 2801 config NUMA
2599 bool "NUMA Support" 2802 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2803 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2804 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA <<
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
2604 help 2805 help
2605 Say Y to compile the kernel to supp 2806 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2807 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2808 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2809 leave it disabled; on single node systems leave this option
2609 disabled. 2810 disabled.
2610 2811
2611 config SYS_SUPPORTS_NUMA 2812 config SYS_SUPPORTS_NUMA
2612 bool 2813 bool
2613 2814
>> 2815 config HAVE_SETUP_PER_CPU_AREA
>> 2816 def_bool y
>> 2817 depends on NUMA
>> 2818
>> 2819 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2820 def_bool y
>> 2821 depends on NUMA
>> 2822
2614 config RELOCATABLE 2823 config RELOCATABLE
2615 bool "Relocatable kernel" 2824 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2825 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2826 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2827 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2828 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2829 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2830 CPU_LOONGSON64
2622 help 2831 help
2623 This builds a kernel image that ret 2832 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2833 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2834 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2835 but are discarded at runtime
2627 2836
2628 config RELOCATION_TABLE_SIZE 2837 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2838 hex "Relocation table size"
2630 depends on RELOCATABLE 2839 depends on RELOCATABLE
2631 range 0x0 0x01000000 2840 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2841 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2842 default "0x00100000"
2634 help 2843 help
2635 A table of relocation data will be 2844 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2845 and parsed at boot to fix up the relocated kernel.
2637 2846
2638 This option allows the amount of sp 2847 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2848 adjusted, although the default of 1Mb should be ok in most cases.
2640 2849
2641 The build will fail and a valid siz 2850 The build will fail and a valid size suggested if this is too small.
2642 2851
2643 If unsure, leave at the default val 2852 If unsure, leave at the default value.
2644 2853
2645 config RANDOMIZE_BASE 2854 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2855 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2856 depends on RELOCATABLE
2648 help 2857 help
2649 Randomizes the physical and virtual 2858 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2859 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2860 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2861 of kernel internals.
2653 2862
2654 Entropy is generated using any copr 2863 Entropy is generated using any coprocessor 0 registers available.
2655 2864
2656 The kernel will be offset by up to 2865 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2866
2658 If unsure, say N. 2867 If unsure, say N.
2659 2868
2660 config RANDOMIZE_BASE_MAX_OFFSET 2869 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2870 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2871 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2872 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2873 range 0x0 0x08000000
2665 default "0x01000000" 2874 default "0x01000000"
2666 help 2875 help
2667 When kASLR is active, this provides 2876 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2877 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2878 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2879 PHYSICAL_START and must be a power of 2.
2671 2880
2672 This is limited by the size of KSEG 2881 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2882 EVA or 64-bit. The default is 16Mb.
2674 2883
2675 config NODES_SHIFT 2884 config NODES_SHIFT
2676 int 2885 int
2677 default "6" 2886 default "6"
2678 depends on NUMA !! 2887 depends on NEED_MULTIPLE_NODES
2679 2888
2680 config HW_PERF_EVENTS 2889 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2890 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 !! 2891 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683 default y 2892 default y
2684 help 2893 help
2685 Enable hardware performance counter 2894 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2895 disabled, perf events will use software events only.
2687 2896
2688 config DMI 2897 config DMI
2689 bool "Enable DMI scanning" 2898 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2899 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2900 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2901 default y
2693 help 2902 help
2694 Enabled scanning of DMI to identify 2903 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2904 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2905 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2906 BIOS code.
2698 2907
2699 config SMP 2908 config SMP
2700 bool "Multi-Processing support" 2909 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2910 depends on SYS_SUPPORTS_SMP
2702 help 2911 help
2703 This enables support for systems wi 2912 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2913 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2914 than one CPU, say Y.
2706 2915
2707 If you say N here, the kernel will 2916 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2917 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2918 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2919 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2920 will run faster if you say N here.
2712 2921
2713 People using multiprocessor machine 2922 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2923 Y to "Enhanced Real Time Clock Support", below.
2715 2924
2716 See also the SMP-HOWTO available at 2925 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2926 <https://www.tldp.org/docs.html#howto>.
2718 2927
2719 If you don't know what to do here, 2928 If you don't know what to do here, say N.
2720 2929
2721 config HOTPLUG_CPU 2930 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2931 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2932 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2933 help
2725 Say Y here to allow turning CPUs of 2934 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2935 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2936 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2937 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2938 Say N if you want to disable CPU hotplug.
2730 2939
2731 config SMP_UP 2940 config SMP_UP
2732 bool 2941 bool
2733 2942
>> 2943 config SYS_SUPPORTS_MIPS_CMP
>> 2944 bool
>> 2945
2734 config SYS_SUPPORTS_MIPS_CPS 2946 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2947 bool
2736 2948
2737 config SYS_SUPPORTS_SMP 2949 config SYS_SUPPORTS_SMP
2738 bool 2950 bool
2739 2951
2740 config NR_CPUS_DEFAULT_4 2952 config NR_CPUS_DEFAULT_4
2741 bool 2953 bool
2742 2954
2743 config NR_CPUS_DEFAULT_8 2955 config NR_CPUS_DEFAULT_8
2744 bool 2956 bool
2745 2957
2746 config NR_CPUS_DEFAULT_16 2958 config NR_CPUS_DEFAULT_16
2747 bool 2959 bool
2748 2960
2749 config NR_CPUS_DEFAULT_32 2961 config NR_CPUS_DEFAULT_32
2750 bool 2962 bool
2751 2963
2752 config NR_CPUS_DEFAULT_64 2964 config NR_CPUS_DEFAULT_64
2753 bool 2965 bool
2754 2966
2755 config NR_CPUS 2967 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2968 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2969 range 2 256
2758 depends on SMP 2970 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2971 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2972 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2973 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2974 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2975 default "64" if NR_CPUS_DEFAULT_64
2764 help 2976 help
2765 This allows you to specify the maxi 2977 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2978 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2979 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2980 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2981 and 2 for all others.
2770 2982
2771 This is purely to save memory - eac 2983 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2984 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2985 performance should round up your number of processors to the next
2774 power of two. 2986 power of two.
2775 2987
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2988 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2989 bool
2778 2990
2779 config MIPS_NR_CPU_NR_MAP_1024 2991 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2992 bool
2781 2993
2782 config MIPS_NR_CPU_NR_MAP 2994 config MIPS_NR_CPU_NR_MAP
2783 int 2995 int
2784 depends on SMP 2996 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2997 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2998 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2999
2788 # 3000 #
2789 # Timer Interrupt Frequency Configuration 3001 # Timer Interrupt Frequency Configuration
2790 # 3002 #
2791 3003
2792 choice 3004 choice
2793 prompt "Timer frequency" 3005 prompt "Timer frequency"
2794 default HZ_250 3006 default HZ_250
2795 help 3007 help
2796 Allows the configuration of the tim 3008 Allows the configuration of the timer frequency.
2797 3009
2798 config HZ_24 3010 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 3011 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 3012
2801 config HZ_48 3013 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 3014 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 3015
2804 config HZ_100 3016 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 3017 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 3018
2807 config HZ_128 3019 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 3020 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 3021
2810 config HZ_250 3022 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 3023 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 3024
2813 config HZ_256 3025 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 3026 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 3027
2816 config HZ_1000 3028 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 3029 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 3030
2819 config HZ_1024 3031 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 3032 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 3033
2822 endchoice 3034 endchoice
2823 3035
2824 config SYS_SUPPORTS_24HZ 3036 config SYS_SUPPORTS_24HZ
2825 bool 3037 bool
2826 3038
2827 config SYS_SUPPORTS_48HZ 3039 config SYS_SUPPORTS_48HZ
2828 bool 3040 bool
2829 3041
2830 config SYS_SUPPORTS_100HZ 3042 config SYS_SUPPORTS_100HZ
2831 bool 3043 bool
2832 3044
2833 config SYS_SUPPORTS_128HZ 3045 config SYS_SUPPORTS_128HZ
2834 bool 3046 bool
2835 3047
2836 config SYS_SUPPORTS_250HZ 3048 config SYS_SUPPORTS_250HZ
2837 bool 3049 bool
2838 3050
2839 config SYS_SUPPORTS_256HZ 3051 config SYS_SUPPORTS_256HZ
2840 bool 3052 bool
2841 3053
2842 config SYS_SUPPORTS_1000HZ 3054 config SYS_SUPPORTS_1000HZ
2843 bool 3055 bool
2844 3056
2845 config SYS_SUPPORTS_1024HZ 3057 config SYS_SUPPORTS_1024HZ
2846 bool 3058 bool
2847 3059
2848 config SYS_SUPPORTS_ARBIT_HZ 3060 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 3061 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 3062 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 3063 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 3064 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 3065 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 3066 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 3067 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 3068 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 3069 !SYS_SUPPORTS_1024HZ
2858 3070
2859 config HZ 3071 config HZ
2860 int 3072 int
2861 default 24 if HZ_24 3073 default 24 if HZ_24
2862 default 48 if HZ_48 3074 default 48 if HZ_48
2863 default 100 if HZ_100 3075 default 100 if HZ_100
2864 default 128 if HZ_128 3076 default 128 if HZ_128
2865 default 250 if HZ_250 3077 default 250 if HZ_250
2866 default 256 if HZ_256 3078 default 256 if HZ_256
2867 default 1000 if HZ_1000 3079 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 3080 default 1024 if HZ_1024
2869 3081
2870 config SCHED_HRTICK 3082 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 3083 def_bool HIGH_RES_TIMERS
2872 3084
2873 config ARCH_SUPPORTS_KEXEC !! 3085 config KEXEC
2874 def_bool y !! 3086 bool "Kexec system call"
2875 !! 3087 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 3088 help
2877 def_bool y !! 3089 kexec is a system call that implements the ability to shutdown your
>> 3090 current kernel, and to start another kernel. It is like a reboot
>> 3091 but it is independent of the system firmware. And like a reboot
>> 3092 you can start any kernel with it, not just Linux.
>> 3093
>> 3094 The name comes from the similarity to the exec system call.
>> 3095
>> 3096 It is an ongoing process to be certain the hardware in a machine
>> 3097 is properly shutdown, so do not be surprised if this code does not
>> 3098 initially work for you. As of this writing the exact hardware
>> 3099 interface is strongly in flux, so no good recommendation can be
>> 3100 made.
>> 3101
>> 3102 config CRASH_DUMP
>> 3103 bool "Kernel crash dumps"
>> 3104 help
>> 3105 Generate crash dump after being started by kexec.
>> 3106 This should be normally only set in special crash dump kernels
>> 3107 which are loaded in the main kernel with kexec-tools into
>> 3108 a specially reserved region and then later executed after
>> 3109 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3110 to a memory address not used by the main kernel or firmware using
>> 3111 PHYSICAL_START.
2878 3112
2879 config PHYSICAL_START 3113 config PHYSICAL_START
2880 hex "Physical address where the kerne 3114 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 3115 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 3116 depends on CRASH_DUMP
2883 help 3117 help
2884 This gives the CKSEG0 or KSEG0 addr 3118 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 3119 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 3120 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 3121 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 3122 passed to the panic-ed kernel).
2889 3123
2890 config MIPS_O32_FP64_SUPPORT 3124 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 3125 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 3126 depends on 32BIT || MIPS32_O32
2893 help 3127 help
2894 When this is enabled, the kernel wi 3128 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 3129 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 3130 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 3131 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 3132 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 3133 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 3134 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 3135 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 3136 saying N here.
2903 3137
2904 Although binutils currently support 3138 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 3139 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 3140 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 3141 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 3142 be considered experimental and only enabled by those working upon
2909 said details. 3143 said details.
2910 3144
2911 If unsure, say N. 3145 If unsure, say N.
2912 3146
2913 config USE_OF 3147 config USE_OF
2914 bool 3148 bool
2915 select OF 3149 select OF
2916 select OF_EARLY_FLATTREE 3150 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 3151 select IRQ_DOMAIN
2918 3152
2919 config UHI_BOOT 3153 config UHI_BOOT
2920 bool 3154 bool
2921 3155
2922 config BUILTIN_DTB 3156 config BUILTIN_DTB
2923 bool 3157 bool
2924 3158
2925 choice 3159 choice
2926 prompt "Kernel appended dtb support" !! 3160 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 3161 default MIPS_NO_APPENDED_DTB
2929 3162
2930 config MIPS_NO_APPENDED_DTB 3163 config MIPS_NO_APPENDED_DTB
2931 bool "None" 3164 bool "None"
2932 help 3165 help
2933 Do not enable appended dtb 3166 Do not enable appended dtb support.
2934 3167
2935 config MIPS_ELF_APPENDED_DTB 3168 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 3169 bool "vmlinux"
2937 help 3170 help
2938 With this option, the boot 3171 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 3172 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 3173 it is empty and the DTB can be appended using binutils command
2941 objcopy: 3174 objcopy:
2942 3175
2943 objcopy --update-section 3176 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 3177
2945 This is meant as a backward 3178 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 3179 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 3180 the documented boot protocol using a device tree.
2948 3181
2949 config MIPS_RAW_APPENDED_DTB 3182 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 3183 bool "vmlinux.bin or vmlinuz.bin"
2951 help 3184 help
2952 With this option, the boot 3185 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 3186 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 3187 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 3188
2956 This is meant as a backward 3189 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 3190 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 3191 the documented boot protocol using a device tree.
2959 3192
2960 Beware that there is very l 3193 Beware that there is very little in terms of protection against
2961 this option being confused 3194 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 3195 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 3196 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 3197 if you don't intend to always append a DTB.
2965 endchoice 3198 endchoice
2966 3199
2967 choice 3200 choice
2968 prompt "Kernel command line type" !! 3201 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 3202 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 3203 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3204 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3205 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3206
2975 config MIPS_CMDLINE_FROM_DTB 3207 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3208 depends on USE_OF
2977 bool "Dtb kernel arguments if 3209 bool "Dtb kernel arguments if available"
2978 3210
2979 config MIPS_CMDLINE_DTB_EXTEND 3211 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3212 depends on USE_OF
2981 bool "Extend dtb kernel argum 3213 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3214
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3215 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3216 bool "Bootloader kernel arguments if available"
2985 3217
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3218 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3219 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3220 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3221 endchoice
2990 3222
2991 endmenu 3223 endmenu
2992 3224
2993 config LOCKDEP_SUPPORT 3225 config LOCKDEP_SUPPORT
2994 bool 3226 bool
2995 default y 3227 default y
2996 3228
2997 config STACKTRACE_SUPPORT 3229 config STACKTRACE_SUPPORT
2998 bool 3230 bool
2999 default y 3231 default y
3000 3232
3001 config PGTABLE_LEVELS 3233 config PGTABLE_LEVELS
3002 int 3234 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3235 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K !! 3236 default 3 if 64BIT && !PAGE_SIZE_64KB
3005 default 2 3237 default 2
3006 3238
3007 config MIPS_AUTO_PFN_OFFSET 3239 config MIPS_AUTO_PFN_OFFSET
3008 bool 3240 bool
3009 3241
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3242 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3243
3012 config PCI_DRIVERS_GENERIC 3244 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3245 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3246 bool
3015 3247
3016 config PCI_DRIVERS_LEGACY 3248 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3249 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3250 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3251 select PCI_DOMAINS if PCI
3020 3252
3021 # 3253 #
3022 # ISA support is now enabled via select. Too 3254 # 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 3255 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3256 # users to choose the right thing ...
3025 # 3257 #
3026 config ISA 3258 config ISA
3027 bool 3259 bool
3028 3260
3029 config TC 3261 config TC
3030 bool "TURBOchannel support" 3262 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3263 depends on MACH_DECSTATION
3032 help 3264 help
3033 TURBOchannel is a DEC (now Compaq ( 3265 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3266 processors. TURBOchannel programming specifications are available
3035 at: 3267 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3268 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3269 and:
3038 <http://www.computer-refuge.org/cla 3270 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3271 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3272 <http://www.linux-mips.org/wiki/DECstation>
3041 3273
3042 config MMU 3274 config MMU
3043 bool 3275 bool
3044 default y 3276 default y
3045 3277
3046 config ARCH_MMAP_RND_BITS_MIN 3278 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3279 default 12 if 64BIT
3048 default 8 3280 default 8
3049 3281
3050 config ARCH_MMAP_RND_BITS_MAX 3282 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3283 default 18 if 64BIT
3052 default 15 3284 default 15
3053 3285
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3286 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3287 default 8
3056 3288
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3289 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3290 default 15
3059 3291
3060 config I8253 3292 config I8253
3061 bool 3293 bool
3062 select CLKSRC_I8253 3294 select CLKSRC_I8253
3063 select CLKEVT_I8253 3295 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3296 select MIPS_EXTERNAL_TIMER
>> 3297
>> 3298 config ZONE_DMA
>> 3299 bool
>> 3300
>> 3301 config ZONE_DMA32
>> 3302 bool
>> 3303
3065 endmenu 3304 endmenu
3066 3305
3067 config TRAD_SIGNALS 3306 config TRAD_SIGNALS
3068 bool 3307 bool
3069 3308
3070 config MIPS32_COMPAT 3309 config MIPS32_COMPAT
3071 bool 3310 bool
3072 3311
3073 config COMPAT 3312 config COMPAT
3074 bool 3313 bool
3075 3314
>> 3315 config SYSVIPC_COMPAT
>> 3316 bool
>> 3317
3076 config MIPS32_O32 3318 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3319 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3320 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3321 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3322 select COMPAT
3081 select MIPS32_COMPAT 3323 select MIPS32_COMPAT
>> 3324 select SYSVIPC_COMPAT if SYSVIPC
3082 help 3325 help
3083 Select this option if you want to r 3326 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3327 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3328 existing binaries are in this format.
3086 3329
3087 If unsure, say Y. 3330 If unsure, say Y.
3088 3331
3089 config MIPS32_N32 3332 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3333 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3334 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3335 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3336 select COMPAT
3094 select MIPS32_COMPAT 3337 select MIPS32_COMPAT
>> 3338 select SYSVIPC_COMPAT if SYSVIPC
3095 help 3339 help
3096 Select this option if you want to r 3340 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3341 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3342 data that would normally be 64-bit. They are used in special
3099 cases. 3343 cases.
3100 3344
3101 If unsure, say N. 3345 If unsure, say N.
3102 3346
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" 3347 menu "Power management options"
3112 3348
3113 config ARCH_HIBERNATION_POSSIBLE 3349 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3350 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3351 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3352
3117 config ARCH_SUSPEND_POSSIBLE 3353 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3354 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3355 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3356
3121 source "kernel/power/Kconfig" 3357 source "kernel/power/Kconfig"
3122 3358
3123 endmenu 3359 endmenu
3124 3360
3125 config MIPS_EXTERNAL_TIMER 3361 config MIPS_EXTERNAL_TIMER
3126 bool 3362 bool
3127 3363
3128 menu "CPU Power Management" 3364 menu "CPU Power Management"
3129 3365
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3366 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3367 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3368 endif
3133 3369
3134 source "drivers/cpuidle/Kconfig" 3370 source "drivers/cpuidle/Kconfig"
3135 3371
3136 endmenu 3372 endmenu
>> 3373
>> 3374 source "drivers/firmware/Kconfig"
3137 3375
3138 source "arch/mips/kvm/Kconfig" 3376 source "arch/mips/kvm/Kconfig"
3139 3377
3140 source "arch/mips/vdso/Kconfig" 3378 source "arch/mips/vdso/Kconfig"
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