1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config MIPS 2 config MIPS
3 bool 3 bool
4 default y 4 default y
5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
7 select ARCH_HAS_CPU_CACHE_ALIASING <<
8 select ARCH_HAS_CPU_FINALIZE_INIT 7 select ARCH_HAS_CPU_FINALIZE_INIT
9 select ARCH_HAS_CURRENT_STACK_POINTER 8 select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 9 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ <<
12 select ARCH_HAS_FORTIFY_SOURCE 10 select ARCH_HAS_FORTIFY_SOURCE
13 select ARCH_HAS_KCOV 11 select ARCH_HAS_KCOV
14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 12 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 13 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
16 select ARCH_HAS_STRNCPY_FROM_USER 14 select ARCH_HAS_STRNCPY_FROM_USER
17 select ARCH_HAS_STRNLEN_USER 15 select ARCH_HAS_STRNLEN_USER
18 select ARCH_HAS_TICK_BROADCAST if GENE 16 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
19 select ARCH_HAS_UBSAN !! 17 select ARCH_HAS_UBSAN_SANITIZE_ALL
20 select ARCH_HAS_GCOV_PROFILE_ALL 18 select ARCH_HAS_GCOV_PROFILE_ALL
21 select ARCH_KEEP_MEMBLOCK 19 select ARCH_KEEP_MEMBLOCK
22 select ARCH_USE_BUILTIN_BSWAP 20 select ARCH_USE_BUILTIN_BSWAP
23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 21 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
24 select ARCH_USE_MEMTEST 22 select ARCH_USE_MEMTEST
25 select ARCH_USE_QUEUED_RWLOCKS 23 select ARCH_USE_QUEUED_RWLOCKS
26 select ARCH_USE_QUEUED_SPINLOCKS 24 select ARCH_USE_QUEUED_SPINLOCKS
27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 25 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 26 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
29 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_WANT_IPC_PARSE_VERSION
30 select ARCH_WANT_LD_ORPHAN_WARN 28 select ARCH_WANT_LD_ORPHAN_WARN
31 select BUILDTIME_TABLE_SORT 29 select BUILDTIME_TABLE_SORT
32 select CLONE_BACKWARDS 30 select CLONE_BACKWARDS
33 select CPU_NO_EFFICIENT_FFS if (TARGET 31 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
34 select CPU_PM if CPU_IDLE || SUSPEND !! 32 select CPU_PM if CPU_IDLE
35 select GENERIC_ATOMIC64 if !64BIT 33 select GENERIC_ATOMIC64 if !64BIT
36 select GENERIC_CMOS_UPDATE 34 select GENERIC_CMOS_UPDATE
37 select GENERIC_CPU_AUTOPROBE 35 select GENERIC_CPU_AUTOPROBE
38 select GENERIC_GETTIMEOFDAY 36 select GENERIC_GETTIMEOFDAY
39 select GENERIC_IOMAP 37 select GENERIC_IOMAP
40 select GENERIC_IRQ_PROBE 38 select GENERIC_IRQ_PROBE
41 select GENERIC_IRQ_SHOW 39 select GENERIC_IRQ_SHOW
42 select GENERIC_ISA_DMA if EISA 40 select GENERIC_ISA_DMA if EISA
43 select GENERIC_LIB_ASHLDI3 41 select GENERIC_LIB_ASHLDI3
44 select GENERIC_LIB_ASHRDI3 42 select GENERIC_LIB_ASHRDI3
45 select GENERIC_LIB_CMPDI2 43 select GENERIC_LIB_CMPDI2
46 select GENERIC_LIB_LSHRDI3 44 select GENERIC_LIB_LSHRDI3
47 select GENERIC_LIB_UCMPDI2 45 select GENERIC_LIB_UCMPDI2
48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 46 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
49 select GENERIC_SMP_IDLE_THREAD 47 select GENERIC_SMP_IDLE_THREAD
50 select GENERIC_IDLE_POLL_SETUP 48 select GENERIC_IDLE_POLL_SETUP
51 select GENERIC_TIME_VSYSCALL 49 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP 50 select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || 51 select HAS_IOPORT if !NO_IOPORT_MAP || ISA
54 select HAVE_ARCH_COMPILER_H 52 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 53 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 54 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 55 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 56 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 57 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 58 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 59 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 60 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER 61 select HAVE_CONTEXT_TRACKING_USER
64 select HAVE_TIF_NOHZ 62 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 63 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 64 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 65 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 66 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 67 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS 68 select HAVE_EBPF_JIT if !CPU_MICROMIPS
71 select HAVE_EXIT_THREAD 69 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 70 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 71 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 72 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 73 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 74 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 75 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 76 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 77 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 78 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 79 select HAVE_KPROBES
82 select HAVE_KRETPROBES 80 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 81 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 82 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 83 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 84 select HAVE_PERF_EVENTS
90 select HAVE_PERF_REGS 85 select HAVE_PERF_REGS
91 select HAVE_PERF_USER_STACK_DUMP 86 select HAVE_PERF_USER_STACK_DUMP
92 select HAVE_REGS_AND_STACK_ACCESS_API 87 select HAVE_REGS_AND_STACK_ACCESS_API
93 select HAVE_RSEQ 88 select HAVE_RSEQ
94 select HAVE_SPARSE_SYSCALL_NR 89 select HAVE_SPARSE_SYSCALL_NR
95 select HAVE_STACKPROTECTOR 90 select HAVE_STACKPROTECTOR
96 select HAVE_SYSCALL_TRACEPOINTS 91 select HAVE_SYSCALL_TRACEPOINTS
97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 92 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
98 select IRQ_FORCED_THREADING 93 select IRQ_FORCED_THREADING
99 select ISA if EISA 94 select ISA if EISA
100 select LOCK_MM_AND_FIND_VMA 95 select LOCK_MM_AND_FIND_VMA
101 select MODULES_USE_ELF_REL if MODULES 96 select MODULES_USE_ELF_REL if MODULES
102 select MODULES_USE_ELF_RELA if MODULES 97 select MODULES_USE_ELF_RELA if MODULES && 64BIT
103 select PERF_USE_VMALLOC 98 select PERF_USE_VMALLOC
104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 99 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105 select RTC_LIB 100 select RTC_LIB
106 select SYSCTL_EXCEPTION_TRACE 101 select SYSCTL_EXCEPTION_TRACE
107 select TRACE_IRQFLAGS_SUPPORT 102 select TRACE_IRQFLAGS_SUPPORT
108 select ARCH_HAS_ELFCORE_COMPAT 103 select ARCH_HAS_ELFCORE_COMPAT
109 select HAVE_ARCH_KCSAN if 64BIT 104 select HAVE_ARCH_KCSAN if 64BIT
110 105
111 config MIPS_FIXUP_BIGPHYS_ADDR 106 config MIPS_FIXUP_BIGPHYS_ADDR
112 bool 107 bool
113 108
114 config MIPS_GENERIC 109 config MIPS_GENERIC
115 bool 110 bool
116 111
117 config MACH_GENERIC_CORE <<
118 bool <<
119 <<
120 config MACH_INGENIC 112 config MACH_INGENIC
121 bool 113 bool
122 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_32BIT_KERNEL
123 select SYS_SUPPORTS_LITTLE_ENDIAN 115 select SYS_SUPPORTS_LITTLE_ENDIAN
124 select SYS_SUPPORTS_ZBOOT 116 select SYS_SUPPORTS_ZBOOT
125 select DMA_NONCOHERENT 117 select DMA_NONCOHERENT
126 select IRQ_MIPS_CPU 118 select IRQ_MIPS_CPU
127 select PINCTRL 119 select PINCTRL
128 select GPIOLIB 120 select GPIOLIB
129 select COMMON_CLK 121 select COMMON_CLK
130 select GENERIC_IRQ_CHIP 122 select GENERIC_IRQ_CHIP
131 select BUILTIN_DTB if MIPS_NO_APPENDED 123 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132 select USE_OF 124 select USE_OF
133 select CPU_SUPPORTS_CPUFREQ 125 select CPU_SUPPORTS_CPUFREQ
134 select MIPS_EXTERNAL_TIMER 126 select MIPS_EXTERNAL_TIMER
135 127
136 menu "Machine selection" 128 menu "Machine selection"
137 129
138 choice 130 choice
139 prompt "System type" 131 prompt "System type"
140 default MIPS_GENERIC_KERNEL 132 default MIPS_GENERIC_KERNEL
141 133
142 config MIPS_GENERIC_KERNEL 134 config MIPS_GENERIC_KERNEL
143 bool "Generic board-agnostic MIPS kern 135 bool "Generic board-agnostic MIPS kernel"
144 select MIPS_GENERIC 136 select MIPS_GENERIC
145 select BOOT_RAW 137 select BOOT_RAW
146 select BUILTIN_DTB 138 select BUILTIN_DTB
147 select CEVT_R4K 139 select CEVT_R4K
148 select CLKSRC_MIPS_GIC 140 select CLKSRC_MIPS_GIC
149 select COMMON_CLK 141 select COMMON_CLK
150 select CPU_MIPSR2_IRQ_EI 142 select CPU_MIPSR2_IRQ_EI
151 select CPU_MIPSR2_IRQ_VI 143 select CPU_MIPSR2_IRQ_VI
152 select CSRC_R4K 144 select CSRC_R4K
153 select DMA_NONCOHERENT 145 select DMA_NONCOHERENT
154 select HAVE_PCI 146 select HAVE_PCI
155 select IRQ_MIPS_CPU 147 select IRQ_MIPS_CPU
156 select MACH_GENERIC_CORE <<
157 select MIPS_AUTO_PFN_OFFSET 148 select MIPS_AUTO_PFN_OFFSET
158 select MIPS_CPU_SCACHE 149 select MIPS_CPU_SCACHE
159 select MIPS_GIC 150 select MIPS_GIC
160 select MIPS_L1_CACHE_SHIFT_7 151 select MIPS_L1_CACHE_SHIFT_7
161 select NO_EXCEPT_FILL 152 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC 153 select PCI_DRIVERS_GENERIC
163 select SMP_UP if SMP 154 select SMP_UP if SMP
164 select SWAP_IO_SPACE 155 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 156 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 157 select SYS_HAS_CPU_MIPS32_R2
167 select SYS_HAS_CPU_MIPS32_R5 158 select SYS_HAS_CPU_MIPS32_R5
168 select SYS_HAS_CPU_MIPS32_R6 159 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 160 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 161 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 162 select SYS_HAS_CPU_MIPS64_R5
172 select SYS_HAS_CPU_MIPS64_R6 163 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 164 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 165 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 166 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 167 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 168 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 169 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 170 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 171 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 172 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 173 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 174 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 175 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 176 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 177 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 179 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 181 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 182 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 183 select USE_OF
193 help 184 help
194 Select this to build a kernel which 185 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 186 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 187 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 188 Interface) specification.
198 189
199 config MIPS_ALCHEMY 190 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 191 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 192 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 193 select CEVT_R4K
203 select CSRC_R4K 194 select CSRC_R4K
204 select IRQ_MIPS_CPU 195 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 196 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 197 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 198 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 199 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 200 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 201 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 202 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 203 select COMMON_CLK
213 204
>> 205 config AR7
>> 206 bool "Texas Instruments AR7"
>> 207 select BOOT_ELF32
>> 208 select COMMON_CLK
>> 209 select DMA_NONCOHERENT
>> 210 select CEVT_R4K
>> 211 select CSRC_R4K
>> 212 select IRQ_MIPS_CPU
>> 213 select NO_EXCEPT_FILL
>> 214 select SWAP_IO_SPACE
>> 215 select SYS_HAS_CPU_MIPS32_R1
>> 216 select SYS_HAS_EARLY_PRINTK
>> 217 select SYS_SUPPORTS_32BIT_KERNEL
>> 218 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 219 select SYS_SUPPORTS_MIPS16
>> 220 select SYS_SUPPORTS_ZBOOT_UART16550
>> 221 select GPIOLIB
>> 222 select VLYNQ
>> 223 help
>> 224 Support for the Texas Instruments AR7 System-on-a-Chip
>> 225 family: TNETD7100, 7200 and 7300.
>> 226
214 config ATH25 227 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 228 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 229 select CEVT_R4K
217 select CSRC_R4K 230 select CSRC_R4K
218 select DMA_NONCOHERENT 231 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 232 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 233 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 234 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 235 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 236 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 237 select SYS_HAS_EARLY_PRINTK
225 help 238 help
226 Support for Atheros AR231x and Ather 239 Support for Atheros AR231x and Atheros AR531x based boards
227 240
228 config ATH79 241 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 242 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 243 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 244 select BOOT_RAW
232 select CEVT_R4K 245 select CEVT_R4K
233 select CSRC_R4K 246 select CSRC_R4K
234 select DMA_NONCOHERENT 247 select DMA_NONCOHERENT
235 select GPIOLIB 248 select GPIOLIB
236 select PINCTRL 249 select PINCTRL
237 select COMMON_CLK 250 select COMMON_CLK
238 select IRQ_MIPS_CPU 251 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 252 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 253 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 254 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 255 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 256 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 257 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 258 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 259 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 260 help
248 Support for the Atheros AR71XX/AR724 261 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 262
250 config BMIPS_GENERIC 263 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 264 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 265 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 266 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW 267 select BOOT_RAW
255 select NO_EXCEPT_FILL 268 select NO_EXCEPT_FILL
256 select USE_OF 269 select USE_OF
257 select CEVT_R4K 270 select CEVT_R4K
258 select CSRC_R4K 271 select CSRC_R4K
259 select SYNC_R4K 272 select SYNC_R4K
260 select COMMON_CLK 273 select COMMON_CLK
261 select BCM6345_L1_IRQ 274 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 275 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 276 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 277 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 278 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 279 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 280 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 281 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 282 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 283 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 284 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 285 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 286 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 287 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 288 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 289 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 290 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 291 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 292 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 293 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 294 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 295 select PCI_DRIVERS_GENERIC
283 select FW_CFE 296 select FW_CFE
284 help 297 help
285 Build a generic DT-based kernel imag 298 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 300 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 301 must be set appropriately for your board.
289 302
290 config BCM47XX 303 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 304 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 305 select BOOT_RAW
293 select CEVT_R4K 306 select CEVT_R4K
294 select CSRC_R4K 307 select CSRC_R4K
295 select DMA_NONCOHERENT 308 select DMA_NONCOHERENT
296 select HAVE_PCI 309 select HAVE_PCI
297 select IRQ_MIPS_CPU 310 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 311 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 312 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 313 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 314 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 315 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 316 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 317 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 318 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 319 select GPIOLIB
307 select LEDS_GPIO_REGISTER 320 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 321 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 322 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 323 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 324 help
312 Support for BCM47XX based boards 325 Support for BCM47XX based boards
313 326
314 config BCM63XX 327 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 328 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 329 select BOOT_RAW
317 select CEVT_R4K 330 select CEVT_R4K
318 select CSRC_R4K 331 select CSRC_R4K
319 select SYNC_R4K 332 select SYNC_R4K
320 select DMA_NONCOHERENT 333 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 334 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 335 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 336 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 337 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 338 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 339 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 340 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 341 select SWAP_IO_SPACE
329 select GPIOLIB 342 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 343 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 344 select HAVE_LEGACY_CLK
332 help 345 help
333 Support for BCM63XX based boards 346 Support for BCM63XX based boards
334 347
335 config MIPS_COBALT 348 config MIPS_COBALT
336 bool "Cobalt Server" 349 bool "Cobalt Server"
337 select CEVT_R4K 350 select CEVT_R4K
338 select CSRC_R4K 351 select CSRC_R4K
339 select CEVT_GT641XX 352 select CEVT_GT641XX
340 select DMA_NONCOHERENT 353 select DMA_NONCOHERENT
341 select FORCE_PCI 354 select FORCE_PCI
342 select I8253 355 select I8253
343 select I8259 356 select I8259
344 select IRQ_MIPS_CPU 357 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 358 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 359 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 360 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 361 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 362 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 363 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 364 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 365 select USE_GENERIC_EARLY_PRINTK_8250
353 366
354 config MACH_DECSTATION 367 config MACH_DECSTATION
355 bool "DECstations" 368 bool "DECstations"
356 select BOOT_ELF32 369 select BOOT_ELF32
357 select CEVT_DS1287 370 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 371 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 372 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 373 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 374 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 375 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 376 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 377 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 378 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 379 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 380 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 381 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 382 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 383 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 384 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 385 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 386 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 387 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 388 select MIPS_L1_CACHE_SHIFT_4
376 help 389 help
377 This enables support for DEC's MIPS 390 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 392 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 393
381 If you have one of the following DEC 394 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 395 want to choose R4xx0 for the CPU Type:
383 396
384 DECstation 5000/50 397 DECstation 5000/50
385 DECstation 5000/150 398 DECstation 5000/150
386 DECstation 5000/260 399 DECstation 5000/260
387 DECsystem 5900/260 400 DECsystem 5900/260
388 401
389 otherwise choose R3000. 402 otherwise choose R3000.
390 403
391 config MACH_JAZZ 404 config MACH_JAZZ
392 bool "Jazz family of machines" 405 bool "Jazz family of machines"
393 select ARC_MEMORY 406 select ARC_MEMORY
394 select ARC_PROMLIB 407 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 408 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 409 select ARCH_MIGHT_HAVE_PC_SERIO
>> 410 select DMA_OPS
397 select FW_ARC 411 select FW_ARC
398 select FW_ARC32 412 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 413 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 414 select CEVT_R4K
401 select CSRC_R4K 415 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 416 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 417 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 418 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 419 select IRQ_MIPS_CPU
406 select I8253 420 select I8253
407 select I8259 421 select I8259
408 select ISA 422 select ISA
409 select SYS_HAS_CPU_R4X00 423 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 424 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 425 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 426 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 427 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 428 help
415 This a family of machines based on t 429 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 430 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 431 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 432 Olivetti M700-10 workstations.
419 433
420 config MACH_INGENIC_SOC 434 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 435 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 436 select MIPS_GENERIC
423 select MACH_INGENIC 437 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 438 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 439 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 440 select MIPS_EXTERNAL_TIMER
428 441
429 config LANTIQ 442 config LANTIQ
430 bool "Lantiq based platforms" 443 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 444 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 445 select IRQ_MIPS_CPU
433 select CEVT_R4K 446 select CEVT_R4K
434 select CSRC_R4K 447 select CSRC_R4K
435 select NO_EXCEPT_FILL 448 select NO_EXCEPT_FILL
436 select SYS_HAS_CPU_MIPS32_R1 449 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 450 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 451 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 452 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 453 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 454 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 455 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 456 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 457 select GPIOLIB
445 select SWAP_IO_SPACE 458 select SWAP_IO_SPACE
446 select BOOT_RAW 459 select BOOT_RAW
447 select HAVE_LEGACY_CLK 460 select HAVE_LEGACY_CLK
448 select USE_OF 461 select USE_OF
449 select PINCTRL 462 select PINCTRL
450 select PINCTRL_LANTIQ 463 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 464 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 465 select RESET_CONTROLLER
453 466
454 config MACH_LOONGSON32 467 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 468 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 469 select SYS_SUPPORTS_ZBOOT
457 help 470 help
458 This enables support for the Loongso 471 This enables support for the Loongson-1 family of machines.
459 472
460 Loongson-1 is a family of 32-bit MIP 473 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 474 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 475 Sciences (CAS).
463 476
464 config MACH_LOONGSON2EF 477 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 478 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 479 select SYS_SUPPORTS_ZBOOT
467 help 480 help
468 This enables the support of early Lo 481 This enables the support of early Loongson-2E/F family of machines.
469 482
470 config MACH_LOONGSON64 483 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 484 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT 485 select ARCH_DMA_DEFAULT_COHERENT
473 select ARCH_SPARSEMEM_ENABLE 486 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 487 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 488 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 489 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 490 select BOOT_ELF32
478 select BOARD_SCACHE 491 select BOARD_SCACHE
479 select CSRC_R4K 492 select CSRC_R4K
480 select CEVT_R4K 493 select CEVT_R4K
481 select SYNC_R4K <<
482 select FORCE_PCI 494 select FORCE_PCI
483 select ISA 495 select ISA
484 select I8259 496 select I8259
485 select IRQ_MIPS_CPU 497 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 498 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 499 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 500 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 501 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 502 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 503 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 504 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 505 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 506 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 507 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 508 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 509 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 510 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 511 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 512 select ZONE_DMA32
501 select COMMON_CLK 513 select COMMON_CLK
502 select USE_OF 514 select USE_OF
503 select BUILTIN_DTB 515 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 516 select PCI_HOST_GENERIC
>> 517 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505 help 518 help
506 This enables the support of Loongson 519 This enables the support of Loongson-2/3 family of machines.
507 520
508 Loongson-2 and Loongson-3 are 64-bit 521 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 522 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 523 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 524 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 525
513 config MIPS_MALTA 526 config MIPS_MALTA
514 bool "MIPS Malta board" 527 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 528 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 529 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 530 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 531 select BOOT_ELF32
519 select BOOT_RAW 532 select BOOT_RAW
520 select BUILTIN_DTB 533 select BUILTIN_DTB
521 select CEVT_R4K 534 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 535 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 536 select COMMON_CLK
524 select CSRC_R4K 537 select CSRC_R4K
525 select DMA_NONCOHERENT 538 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 539 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 540 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 541 select HAVE_PCI
529 select I8253 542 select I8253
530 select I8259 543 select I8259
531 select IRQ_MIPS_CPU 544 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 545 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 546 select MIPS_CPU_SCACHE
534 select MIPS_GIC 547 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 548 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 549 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 550 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 551 select SMP_UP if SMP
539 select SWAP_IO_SPACE 552 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 553 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 554 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 555 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 556 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 557 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 558 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 559 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 560 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 561 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 562 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 563 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 564 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 565 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 566 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 567 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 568 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 569 select SYS_SUPPORTS_MIPS16
557 select SYS_SUPPORTS_MIPS_CPS 570 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 571 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 572 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 573 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 574 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 575 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 576 select USE_OF
564 select WAR_ICACHE_REFILLS 577 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 578 select ZONE_DMA32 if 64BIT
566 help 579 help
567 This enables support for the MIPS Te 580 This enables support for the MIPS Technologies Malta evaluation
568 board. 581 board.
569 582
570 config MACH_PIC32 583 config MACH_PIC32
571 bool "Microchip PIC32 Family" 584 bool "Microchip PIC32 Family"
572 help 585 help
573 This enables support for the Microch 586 This enables support for the Microchip PIC32 family of platforms.
574 587
575 Microchip PIC32 is a family of gener 588 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 589 microcontrollers.
577 590
578 config EYEQ <<
579 bool "Mobileye EyeQ SoC" <<
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 <<
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 <<
592 select DMA_NONCOHERENT <<
593 select HAVE_PCI <<
594 select IRQ_MIPS_CPU <<
595 select MIPS_AUTO_PFN_OFFSET <<
596 select MIPS_CPU_SCACHE <<
597 select MIPS_GIC <<
598 select MIPS_L1_CACHE_SHIFT_7 <<
599 select PCI_DRIVERS_GENERIC <<
600 select SMP_UP if SMP <<
601 select SWAP_IO_SPACE <<
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN <<
606 select SYS_SUPPORTS_MIPS_CPS <<
607 select SYS_SUPPORTS_RELOCATABLE <<
608 select SYS_SUPPORTS_ZBOOT <<
609 select UHI_BOOT <<
610 select USB_EHCI_BIG_ENDIAN_DESC if CPU <<
611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU <<
612 select USB_OHCI_BIG_ENDIAN_DESC if CPU <<
613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU <<
614 select USB_UHCI_BIG_ENDIAN_DESC if CPU <<
615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU <<
616 select USE_OF <<
617 help <<
618 Select this to build a kernel suppor <<
619 <<
620 bool <<
621 <<
622 config MACH_NINTENDO64 591 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 592 bool "Nintendo 64 console"
624 select CEVT_R4K 593 select CEVT_R4K
625 select CSRC_R4K 594 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 595 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 596 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 597 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 598 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 599 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 600 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 601 select IRQ_MIPS_CPU
633 602
634 config RALINK 603 config RALINK
635 bool "Ralink based machines" 604 bool "Ralink based machines"
636 select CEVT_R4K 605 select CEVT_R4K
637 select COMMON_CLK 606 select COMMON_CLK
638 select CSRC_R4K 607 select CSRC_R4K
639 select BOOT_RAW 608 select BOOT_RAW
640 select DMA_NONCOHERENT 609 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 610 select IRQ_MIPS_CPU
642 select USE_OF 611 select USE_OF
643 select SYS_HAS_CPU_MIPS32_R2 612 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 613 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 614 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 615 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 616 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 617 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 618 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 619 select RESET_CONTROLLER
651 620
652 config MACH_REALTEK_RTL 621 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 622 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 623 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 624 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 625 select IRQ_MIPS_CPU
658 select CSRC_R4K 626 select CSRC_R4K
659 select CEVT_R4K 627 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 628 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 629 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 630 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 631 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 632 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 633 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 634 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 635 select BOOT_RAW
668 select PINCTRL 636 select PINCTRL
669 select USE_OF 637 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 638
672 config SGI_IP22 639 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 640 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 641 select ARC_MEMORY
675 select ARC_PROMLIB 642 select ARC_PROMLIB
676 select FW_ARC 643 select FW_ARC
677 select FW_ARC32 644 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 645 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 646 select BOOT_ELF32
680 select CEVT_R4K 647 select CEVT_R4K
681 select CSRC_R4K 648 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 649 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 650 select DMA_NONCOHERENT
684 select HAVE_EISA 651 select HAVE_EISA
685 select I8253 652 select I8253
686 select I8259 653 select I8259
687 select IP22_CPU_SCACHE 654 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 655 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 656 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 657 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 658 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 659 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 660 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 661 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 662 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 663 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 664 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 665 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 666 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 667 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 668 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 669 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 670 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 671 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 672 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 673 select MIPS_L1_CACHE_SHIFT_7
707 help 674 help
708 This are the SGI Indy, Challenge S a 675 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 676 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 677 that runs on these, say Y here.
711 678
712 config SGI_IP27 679 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 680 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 681 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 682 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 683 select FW_ARC
717 select FW_ARC64 684 select FW_ARC64
718 select ARC_CMDLINE_ONLY 685 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 686 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 687 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 688 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 689 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 690 select HAVE_PCI
724 select IRQ_MIPS_CPU 691 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 692 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 693 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 694 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 695 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 696 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 697 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 698 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 699 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 700 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 701 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 702 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 703 select NUMA
>> 704 select HAVE_ARCH_NODEDATA_EXTENSION
737 help 705 help
738 This are the SGI Origin 200, Origin 706 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 707 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 708 here.
741 709
742 config SGI_IP28 710 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 711 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 712 select ARC_MEMORY
745 select ARC_PROMLIB 713 select ARC_PROMLIB
746 select FW_ARC 714 select FW_ARC
747 select FW_ARC64 715 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 716 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 717 select BOOT_ELF64
750 select CEVT_R4K 718 select CEVT_R4K
751 select CSRC_R4K 719 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 720 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 721 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 722 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 723 select IRQ_MIPS_CPU
756 select HAVE_EISA 724 select HAVE_EISA
757 select I8253 725 select I8253
758 select I8259 726 select I8259
759 select SGI_HAS_I8042 727 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 728 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 729 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 730 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 731 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 732 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 733 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 734 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 735 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 736 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 737 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 738 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 739 select MIPS_L1_CACHE_SHIFT_7
772 help 740 help
773 This is the SGI Indigo2 with R10000 741 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 742 kernel that runs on these, say Y here.
775 743
776 config SGI_IP30 744 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 745 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 746 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 747 select FW_ARC
780 select FW_ARC64 748 select FW_ARC64
781 select BOOT_ELF64 749 select BOOT_ELF64
782 select CEVT_R4K 750 select CEVT_R4K
783 select CSRC_R4K 751 select CSRC_R4K
784 select FORCE_PCI 752 select FORCE_PCI
785 select SYNC_R4K if SMP 753 select SYNC_R4K if SMP
786 select ZONE_DMA32 754 select ZONE_DMA32
787 select HAVE_PCI 755 select HAVE_PCI
788 select IRQ_MIPS_CPU 756 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 757 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 758 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 759 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 760 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 761 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 762 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 763 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 764 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 765 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 766 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 767 select ARC_MEMORY
800 help 768 help
801 These are the SGI Octane and Octane2 769 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 770 compile a Linux kernel that runs on these, say Y here.
803 771
804 config SGI_IP32 772 config SGI_IP32
805 bool "SGI IP32 (O2)" 773 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 774 select ARC_MEMORY
807 select ARC_PROMLIB 775 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 776 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 777 select FW_ARC
810 select FW_ARC32 778 select FW_ARC32
811 select BOOT_ELF32 779 select BOOT_ELF32
812 select CEVT_R4K 780 select CEVT_R4K
813 select CSRC_R4K 781 select CSRC_R4K
814 select DMA_NONCOHERENT 782 select DMA_NONCOHERENT
815 select HAVE_PCI 783 select HAVE_PCI
816 select IRQ_MIPS_CPU 784 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 785 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 786 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 787 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 788 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 789 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 790 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 791 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 792 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 793 select WAR_ICACHE_REFILLS
826 help 794 help
827 If you want this kernel to run on SG 795 If you want this kernel to run on SGI O2 workstation, say Y here.
828 796
829 config SIBYTE_CRHONE 797 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 798 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 799 select BOOT_ELF32
832 select SIBYTE_BCM1125 800 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 801 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 802 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 803 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 804 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 805 select SYS_SUPPORTS_LITTLE_ENDIAN
838 806
839 config SIBYTE_RHONE 807 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 808 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 809 select BOOT_ELF32
842 select SIBYTE_SB1250 810 select SIBYTE_SB1250
843 select SWAP_IO_SPACE 811 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 812 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 813 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 814 select SYS_SUPPORTS_LITTLE_ENDIAN
847 815
848 config SIBYTE_SWARM 816 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 817 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 818 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 819 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 820 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 821 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 822 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 823 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 824 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 825 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 826 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 827 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 828
861 config SIBYTE_LITTLESUR 829 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 830 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 831 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 832 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 833 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 834 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 835 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 836 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 837 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 838 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 839 select ZONE_DMA32 if 64BIT
872 840
873 config SIBYTE_SENTOSA 841 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 842 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 843 select BOOT_ELF32
876 select SIBYTE_SB1250 844 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 845 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 846 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 847 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 848 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 849 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 850
883 config SIBYTE_BIGSUR 851 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 852 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 853 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 854 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 855 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 856 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 857 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 858 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 859 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 860 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 861 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 862 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 863
896 config SNI_RM 864 config SNI_RM
897 bool "SNI RM200/300/400" 865 bool "SNI RM200/300/400"
898 select ARC_MEMORY 866 select ARC_MEMORY
899 select ARC_PROMLIB 867 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 868 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 869 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 870 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 871 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 872 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 873 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 874 select BOOT_ELF32
907 select CEVT_R4K 875 select CEVT_R4K
908 select CSRC_R4K 876 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 877 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 878 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 879 select GENERIC_ISA_DMA
912 select HAVE_EISA 880 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 881 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 882 select HAVE_PCI
915 select IRQ_MIPS_CPU 883 select IRQ_MIPS_CPU
916 select I8253 884 select I8253
917 select I8259 885 select I8259
918 select ISA 886 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 887 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 888 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 889 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 890 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 891 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 892 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 893 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 894 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 895 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 896 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 897 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 898 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 899 select WAR_R4600_V2_HIT_CACHEOP
932 help 900 help
933 The SNI RM200/300/400 are MIPS-based 901 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 902 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 903 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 904 support this machine type.
937 905
938 config MACH_TX49XX 906 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 907 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 908 select WAR_TX49XX_ICACHE_INDEX_INV
941 909
942 config MIKROTIK_RB532 910 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 911 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 912 select CEVT_R4K
945 select CSRC_R4K 913 select CSRC_R4K
946 select DMA_NONCOHERENT 914 select DMA_NONCOHERENT
947 select HAVE_PCI 915 select HAVE_PCI
948 select IRQ_MIPS_CPU 916 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 917 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 918 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 919 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 920 select SWAP_IO_SPACE
953 select BOOT_RAW 921 select BOOT_RAW
954 select GPIOLIB 922 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 923 select MIPS_L1_CACHE_SHIFT_4
956 help 924 help
957 Support the Mikrotik(tm) RouterBoard 925 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 926 based on the IDT RC32434 SoC.
959 927
960 config CAVIUM_OCTEON_SOC 928 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 929 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 930 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 931 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 932 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 933 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 934 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 935 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 936 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 937 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 938 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 939 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 940 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 941 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 942 select HAVE_PCI
975 select HAVE_PLAT_DELAY 943 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 944 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 945 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 946 select ZONE_DMA32
979 select GPIOLIB 947 select GPIOLIB
980 select USE_OF 948 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 949 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 950 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 951 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 952 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 953 select BUILTIN_DTB
986 select MTD 954 select MTD
987 select MTD_COMPLEX_MAPPINGS 955 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 956 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 957 select SYS_SUPPORTS_RELOCATABLE
990 help 958 help
991 This option supports all of the Octe 959 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 960 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 961 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 962 Some of the supported boards are:
995 EBT3000 963 EBT3000
996 EBH3000 964 EBH3000
997 EBH3100 965 EBH3100
998 Thunder 966 Thunder
999 Kodama 967 Kodama
1000 Hikari 968 Hikari
1001 Say Y here for most Octeon referenc 969 Say Y here for most Octeon reference boards.
1002 970
1003 endchoice 971 endchoice
1004 972
1005 config FIT_IMAGE_FDT_EPM5 <<
1006 bool "Include FDT for Mobileye EyeQ5 <<
1007 depends on MACH_EYEQ5 <<
1008 default n <<
1009 help <<
1010 Enable this to include the FDT for <<
1011 from Mobileye in the FIT kernel ima <<
1012 This requires u-boot on the platfor <<
1013 <<
1014 source "arch/mips/alchemy/Kconfig" 973 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 974 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 975 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 976 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 977 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 978 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 979 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 980 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 981 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 982 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 983 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 984 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 985 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 986 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 987 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 988 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 989 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 990 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 991 source "arch/mips/loongson64/Kconfig"
1034 992
1035 endmenu 993 endmenu
1036 994
1037 config GENERIC_HWEIGHT 995 config GENERIC_HWEIGHT
1038 bool 996 bool
1039 default y 997 default y
1040 998
1041 config GENERIC_CALIBRATE_DELAY 999 config GENERIC_CALIBRATE_DELAY
1042 bool 1000 bool
1043 default y 1001 default y
1044 1002
1045 config SCHED_OMIT_FRAME_POINTER 1003 config SCHED_OMIT_FRAME_POINTER
1046 bool 1004 bool
1047 default y 1005 default y
1048 1006
1049 # 1007 #
1050 # Select some configuration options automatic 1008 # Select some configuration options automatically based on user selections.
1051 # 1009 #
1052 config FW_ARC 1010 config FW_ARC
1053 bool 1011 bool
1054 1012
1055 config ARCH_MAY_HAVE_PC_FDC 1013 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1014 bool
1057 1015
1058 config BOOT_RAW 1016 config BOOT_RAW
1059 bool 1017 bool
1060 1018
1061 config CEVT_BCM1480 1019 config CEVT_BCM1480
1062 bool 1020 bool
1063 1021
1064 config CEVT_DS1287 1022 config CEVT_DS1287
1065 bool 1023 bool
1066 1024
1067 config CEVT_GT641XX 1025 config CEVT_GT641XX
1068 bool 1026 bool
1069 1027
1070 config CEVT_R4K 1028 config CEVT_R4K
1071 bool 1029 bool
1072 1030
1073 config CEVT_SB1250 1031 config CEVT_SB1250
1074 bool 1032 bool
1075 1033
1076 config CEVT_TXX9 1034 config CEVT_TXX9
1077 bool 1035 bool
1078 1036
1079 config CSRC_BCM1480 1037 config CSRC_BCM1480
1080 bool 1038 bool
1081 1039
1082 config CSRC_IOASIC 1040 config CSRC_IOASIC
1083 bool 1041 bool
1084 1042
1085 config CSRC_R4K 1043 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1044 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1045 bool
1089 1046
1090 config CSRC_SB1250 1047 config CSRC_SB1250
1091 bool 1048 bool
1092 1049
1093 config MIPS_CLOCK_VSYSCALL 1050 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1051 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1052
1096 config GPIO_TXX9 1053 config GPIO_TXX9
1097 select GPIOLIB 1054 select GPIOLIB
1098 bool 1055 bool
1099 1056
1100 config FW_CFE 1057 config FW_CFE
1101 bool 1058 bool
1102 1059
1103 config ARCH_SUPPORTS_UPROBES 1060 config ARCH_SUPPORTS_UPROBES
1104 def_bool y 1061 def_bool y
1105 1062
1106 config DMA_NONCOHERENT 1063 config DMA_NONCOHERENT
1107 bool 1064 bool
1108 # 1065 #
1109 # MIPS allows mixing "slightly differ 1066 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1067 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1068 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1069 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1070 # significant advantages.
1114 # 1071 #
1115 select ARCH_HAS_SETUP_DMA_OPS 1072 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1073 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1074 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU 1075 select ARCH_HAS_SYNC_DMA_FOR_CPU
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1076 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1077 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1078 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1079 select NEED_DMA_MAP_STATE
1123 1080
1124 config SYS_HAS_EARLY_PRINTK 1081 config SYS_HAS_EARLY_PRINTK
1125 bool 1082 bool
1126 1083
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1084 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1085 bool
1129 1086
1130 config MIPS_BONITO64 1087 config MIPS_BONITO64
1131 bool 1088 bool
1132 1089
1133 config MIPS_MSC 1090 config MIPS_MSC
1134 bool 1091 bool
1135 1092
1136 config SYNC_R4K 1093 config SYNC_R4K
1137 bool 1094 bool
1138 1095
1139 config NO_IOPORT_MAP 1096 config NO_IOPORT_MAP
1140 def_bool n 1097 def_bool n
1141 1098
1142 config GENERIC_CSUM 1099 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1100 def_bool CPU_NO_LOAD_STORE_LR
1144 1101
1145 config GENERIC_ISA_DMA 1102 config GENERIC_ISA_DMA
1146 bool 1103 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1104 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1105 select ISA_DMA_API
1149 1106
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1107 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1108 bool
1152 select GENERIC_ISA_DMA 1109 select GENERIC_ISA_DMA
1153 1110
1154 config HAVE_PLAT_DELAY 1111 config HAVE_PLAT_DELAY
1155 bool 1112 bool
1156 1113
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1114 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1115 bool
1159 1116
1160 config HAVE_PLAT_MEMCPY 1117 config HAVE_PLAT_MEMCPY
1161 bool 1118 bool
1162 1119
1163 config ISA_DMA_API 1120 config ISA_DMA_API
1164 bool 1121 bool
1165 1122
1166 config SYS_SUPPORTS_RELOCATABLE 1123 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1124 bool
1168 help 1125 help
1169 Selected if the platform supports r 1126 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1127 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1128 to allow access to command line and entropy sources.
1172 1129
1173 # 1130 #
1174 # Endianness selection. Sufficiently obscure 1131 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1132 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1133 # choice statement should be more obvious to the user.
1177 # 1134 #
1178 choice 1135 choice
1179 prompt "Endianness selection" 1136 prompt "Endianness selection"
1180 help 1137 help
1181 Some MIPS machines can be configure 1138 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1139 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1140 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1141 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1142 one or the other endianness.
1186 1143
1187 config CPU_BIG_ENDIAN 1144 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1145 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1146 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1147
1191 config CPU_LITTLE_ENDIAN 1148 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1149 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1150 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1151
1195 endchoice 1152 endchoice
1196 1153
1197 config EXPORT_UASM 1154 config EXPORT_UASM
1198 bool 1155 bool
1199 1156
1200 config SYS_SUPPORTS_APM_EMULATION 1157 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1158 bool
1202 1159
1203 config SYS_SUPPORTS_BIG_ENDIAN 1160 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1161 bool
1205 1162
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1163 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1164 bool
1208 1165
1209 config MIPS_HUGE_TLB_SUPPORT 1166 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1167 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1168
1212 config IRQ_TXX9 1169 config IRQ_TXX9
1213 bool 1170 bool
1214 1171
1215 config IRQ_GT641XX 1172 config IRQ_GT641XX
1216 bool 1173 bool
1217 1174
1218 config PCI_GT64XXX_PCI0 1175 config PCI_GT64XXX_PCI0
1219 bool 1176 bool
1220 1177
1221 config PCI_XTALK_BRIDGE 1178 config PCI_XTALK_BRIDGE
1222 bool 1179 bool
1223 1180
1224 config NO_EXCEPT_FILL 1181 config NO_EXCEPT_FILL
1225 bool 1182 bool
1226 1183
1227 config MIPS_SPRAM 1184 config MIPS_SPRAM
1228 bool 1185 bool
1229 1186
1230 config SWAP_IO_SPACE 1187 config SWAP_IO_SPACE
1231 bool 1188 bool
1232 1189
1233 config SGI_HAS_INDYDOG 1190 config SGI_HAS_INDYDOG
1234 bool 1191 bool
1235 1192
1236 config SGI_HAS_HAL2 1193 config SGI_HAS_HAL2
1237 bool 1194 bool
1238 1195
1239 config SGI_HAS_SEEQ 1196 config SGI_HAS_SEEQ
1240 bool 1197 bool
1241 1198
1242 config SGI_HAS_WD93 1199 config SGI_HAS_WD93
1243 bool 1200 bool
1244 1201
1245 config SGI_HAS_ZILOG 1202 config SGI_HAS_ZILOG
1246 bool 1203 bool
1247 1204
1248 config SGI_HAS_I8042 1205 config SGI_HAS_I8042
1249 bool 1206 bool
1250 1207
1251 config DEFAULT_SGI_PARTITION 1208 config DEFAULT_SGI_PARTITION
1252 bool 1209 bool
1253 1210
1254 config FW_ARC32 1211 config FW_ARC32
1255 bool 1212 bool
1256 1213
1257 config FW_SNIPROM 1214 config FW_SNIPROM
1258 bool 1215 bool
1259 1216
1260 config BOOT_ELF32 1217 config BOOT_ELF32
1261 bool 1218 bool
1262 1219
1263 config MIPS_L1_CACHE_SHIFT_4 1220 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1221 bool
1265 1222
1266 config MIPS_L1_CACHE_SHIFT_5 1223 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1224 bool
1268 1225
1269 config MIPS_L1_CACHE_SHIFT_6 1226 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1227 bool
1271 1228
1272 config MIPS_L1_CACHE_SHIFT_7 1229 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1230 bool
1274 1231
1275 config MIPS_L1_CACHE_SHIFT 1232 config MIPS_L1_CACHE_SHIFT
1276 int 1233 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1234 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1235 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1236 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1237 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1238 default "5"
1282 1239
1283 config ARC_CMDLINE_ONLY 1240 config ARC_CMDLINE_ONLY
1284 bool 1241 bool
1285 1242
1286 config ARC_CONSOLE 1243 config ARC_CONSOLE
1287 bool "ARC console support" 1244 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1245 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1246
1290 config ARC_MEMORY 1247 config ARC_MEMORY
1291 bool 1248 bool
1292 1249
1293 config ARC_PROMLIB 1250 config ARC_PROMLIB
1294 bool 1251 bool
1295 1252
1296 config FW_ARC64 1253 config FW_ARC64
1297 bool 1254 bool
1298 1255
1299 config BOOT_ELF64 1256 config BOOT_ELF64
1300 bool 1257 bool
1301 1258
1302 menu "CPU selection" 1259 menu "CPU selection"
1303 1260
1304 choice 1261 choice
1305 prompt "CPU type" 1262 prompt "CPU type"
1306 default CPU_R4X00 1263 default CPU_R4X00
1307 1264
1308 config CPU_LOONGSON64 1265 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1266 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1267 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1268 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1269 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1270 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1271 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1272 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1273 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1274 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1275 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1276 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT 1277 select DMA_NONCOHERENT
1322 select WEAK_ORDERING 1278 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1279 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1280 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1281 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1282 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1283 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1284 select GPIOLIB
1329 select SWIOTLB 1285 select SWIOTLB
>> 1286 select HAVE_KVM
1330 help 1287 help
1331 The Loongson GSx64(GS264/GS464/GS46 1288 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr 1289 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 1290 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and 1291 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here 1292 Loongson-2E/2F is not covered here and will be removed in future.
1336 1293
>> 1294 config LOONGSON3_ENHANCEMENT
>> 1295 bool "New Loongson-3 CPU Enhancements"
>> 1296 default n
>> 1297 depends on CPU_LOONGSON64
>> 1298 help
>> 1299 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1300 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1301 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1302 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1303 Fast TLB refill support, etc.
>> 1304
>> 1305 This option enable those enhancements which are not probed at run
>> 1306 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1307 please say 'N' here. If you want a high-performance kernel to run on
>> 1308 new Loongson-3 machines only, please say 'Y' here.
>> 1309
>> 1310 config CPU_LOONGSON3_WORKAROUNDS
>> 1311 bool "Loongson-3 LLSC Workarounds"
>> 1312 default y if SMP
>> 1313 depends on CPU_LOONGSON64
>> 1314 help
>> 1315 Loongson-3 processors have the llsc issues which require workarounds.
>> 1316 Without workarounds the system may hang unexpectedly.
>> 1317
>> 1318 Say Y, unless you know what you are doing.
>> 1319
>> 1320 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1321 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1322 default y
>> 1323 depends on CPU_LOONGSON64
>> 1324 help
>> 1325 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1326 userland to query CPU capabilities, much like CPUID on x86. This
>> 1327 option provides emulation of the instruction on older Loongson
>> 1328 cores, back to Loongson-3A1000.
>> 1329
>> 1330 If unsure, please say Y.
>> 1331
1337 config CPU_LOONGSON2E 1332 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1333 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1334 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1335 select CPU_LOONGSON2EF
1341 help 1336 help
1342 The Loongson 2E processor implement 1337 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1338 with many extensions.
1344 1339
1345 It has an internal FPGA northbridge 1340 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1341 bonito64.
1347 1342
1348 config CPU_LOONGSON2F 1343 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1344 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1345 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1346 select CPU_LOONGSON2EF
1352 help 1347 help
1353 The Loongson 2F processor implement 1348 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1349 with many extensions.
1355 1350
1356 Loongson2F have built-in DDR2 and P 1351 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1352 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1353 Loongson2E.
1359 1354
1360 config CPU_LOONGSON1B 1355 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1356 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1357 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1358 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1359 select LEDS_GPIO_REGISTER
1365 help 1360 help
1366 The Loongson 1B is a 32-bit SoC, wh 1361 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1362 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1363 instruction set.
1369 1364
1370 config CPU_LOONGSON1C 1365 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1366 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1367 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1368 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1369 select LEDS_GPIO_REGISTER
1375 help 1370 help
1376 The Loongson 1C is a 32-bit SoC, wh 1371 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1372 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1373 instruction set.
1379 1374
1380 config CPU_MIPS32_R1 1375 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1376 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1377 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1378 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1379 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1380 select CPU_SUPPORTS_HIGHMEM
1386 help 1381 help
1387 Choose this option to build a kerne 1382 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1383 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1384 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1385 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1386 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1387 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1388 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1389 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1390 performance.
1396 1391
1397 config CPU_MIPS32_R2 1392 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1393 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1394 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1395 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1396 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1397 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1398 select CPU_SUPPORTS_MSA
>> 1399 select HAVE_KVM
1404 help 1400 help
1405 Choose this option to build a kerne 1401 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1402 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1403 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1404 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1405 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1406
1411 config CPU_MIPS32_R5 1407 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1408 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1409 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1410 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1411 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1412 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1413 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1414 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1415 select MIPS_O32_FP64_SUPPORT
1420 help 1416 help
1421 Choose this option to build a kerne 1417 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1418 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1419 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1420 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1421
1426 config CPU_MIPS32_R6 1422 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1423 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1424 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1425 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1426 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1427 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1428 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1429 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1430 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1431 select MIPS_O32_FP64_SUPPORT
1436 help 1432 help
1437 Choose this option to build a kerne 1433 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1434 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1435 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1436 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1437
1442 config CPU_MIPS64_R1 1438 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1439 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1440 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1441 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1442 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1443 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1444 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1445 select CPU_SUPPORTS_HUGEPAGES
1450 help 1446 help
1451 Choose this option to build a kerne 1447 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1448 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1449 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1450 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1451 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1452 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1453 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1454 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1455 performance.
1460 1456
1461 config CPU_MIPS64_R2 1457 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1458 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1459 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1460 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1461 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1462 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1463 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1464 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1465 select CPU_SUPPORTS_MSA
>> 1466 select HAVE_KVM
1470 help 1467 help
1471 Choose this option to build a kerne 1468 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1469 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1470 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1471 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1472 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1473
1477 config CPU_MIPS64_R5 1474 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1475 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1476 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1477 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1478 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1479 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1480 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1481 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1482 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1483 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1484 select HAVE_KVM
1488 help 1485 help
1489 Choose this option to build a kerne 1486 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1487 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1488 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1489 any hardware known to be based on this release.
1493 1490
1494 config CPU_MIPS64_R6 1491 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1492 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1493 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1494 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1495 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1496 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1497 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1498 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1499 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1500 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1501 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1502 select HAVE_KVM
1506 help 1503 help
1507 Choose this option to build a kerne 1504 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1505 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1506 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1507 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1508
1512 config CPU_P5600 1509 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1510 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1511 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1512 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1513 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1514 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1515 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1516 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1517 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1518 select CPU_MIPSR2_IRQ_EI
>> 1519 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1520 select MIPS_O32_FP64_SUPPORT
1524 help 1521 help
1525 Choose this option to build a kerne 1522 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1523 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1524 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1525 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1526 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1527 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1528 eJTAG and PDtrace.
1532 1529
1533 config CPU_R3000 1530 config CPU_R3000
1534 bool "R3000" 1531 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1532 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1533 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1534 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1535 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1536 select CPU_SUPPORTS_HIGHMEM
1540 help 1537 help
1541 Please make sure to pick the right 1538 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1539 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1540 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1541 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1542 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1543 try to recompile with R3000.
1547 1544
1548 config CPU_R4300 1545 config CPU_R4300
1549 bool "R4300" 1546 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1547 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1548 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1549 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1550 help
1554 MIPS Technologies R4300-series proc 1551 MIPS Technologies R4300-series processors.
1555 1552
1556 config CPU_R4X00 1553 config CPU_R4X00
1557 bool "R4x00" 1554 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1555 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1556 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1557 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1558 select CPU_SUPPORTS_HUGEPAGES
1562 help 1559 help
1563 MIPS Technologies R4000-series proc 1560 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1561 the R4000, R4400, R4600, and 4700.
1565 1562
1566 config CPU_TX49XX 1563 config CPU_TX49XX
1567 bool "R49XX" 1564 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1565 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1566 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1567 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1568 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1569 select CPU_SUPPORTS_HUGEPAGES
1573 1570
1574 config CPU_R5000 1571 config CPU_R5000
1575 bool "R5000" 1572 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1573 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1574 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1575 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1576 select CPU_SUPPORTS_HUGEPAGES
1580 help 1577 help
1581 MIPS Technologies R5000-series proc 1578 MIPS Technologies R5000-series processors other than the Nevada.
1582 1579
1583 config CPU_R5500 1580 config CPU_R5500
1584 bool "R5500" 1581 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1582 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1583 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1584 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1585 select CPU_SUPPORTS_HUGEPAGES
1589 help 1586 help
1590 NEC VR5500 and VR5500A series proce 1587 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1588 instruction set.
1592 1589
1593 config CPU_NEVADA 1590 config CPU_NEVADA
1594 bool "RM52xx" 1591 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1592 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1593 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1594 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1595 select CPU_SUPPORTS_HUGEPAGES
1599 help 1596 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1597 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1598
1602 config CPU_R10000 1599 config CPU_R10000
1603 bool "R10000" 1600 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1601 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1602 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1603 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1604 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1605 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1606 select CPU_SUPPORTS_HUGEPAGES
1610 help 1607 help
1611 MIPS Technologies R10000-series pro 1608 MIPS Technologies R10000-series processors.
1612 1609
1613 config CPU_RM7000 1610 config CPU_RM7000
1614 bool "RM7000" 1611 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1612 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1613 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1614 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1615 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1616 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1617 select CPU_SUPPORTS_HUGEPAGES
1621 1618
1622 config CPU_SB1 1619 config CPU_SB1
1623 bool "SB1" 1620 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1621 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1622 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1623 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1624 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1625 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1626 select WEAK_ORDERING
1630 1627
1631 config CPU_CAVIUM_OCTEON 1628 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1629 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1630 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1631 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1632 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 1633 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1634 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1635 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1636 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1637 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1638 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1639 select HAVE_KVM
1645 help 1640 help
1646 The Cavium Octeon processor is a hi 1641 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1642 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1643 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1644 Full details can be found at http://www.caviumnetworks.com.
1650 1645
1651 config CPU_BMIPS 1646 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1647 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1648 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1649 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1650 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1651 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1652 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1653 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1654 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1655 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1656 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1657 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1658 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1659 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1660 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1661 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1662 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1663 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1664 help
1670 Support for BMIPS32/3300/4350/4380 1665 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1666
1672 endchoice 1667 endchoice
1673 1668
1674 config LOONGSON3_ENHANCEMENT <<
1675 bool "New Loongson-3 CPU Enhancements <<
1676 default n <<
1677 depends on CPU_LOONGSON64 <<
1678 help <<
1679 New Loongson-3 cores (since Loongso <<
1680 R1, Loongson-3B R1 and Loongson-3B <<
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 <<
1695 Loongson-3 processors have the llsc <<
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 <<
1700 config CPU_LOONGSON3_CPUCFG_EMULATION <<
1701 bool "Emulate the CPUCFG instruction <<
1702 default y <<
1703 depends on CPU_LOONGSON64 <<
1704 help <<
1705 Loongson-3A R4 and newer have the C <<
1706 userland to query CPU capabilities, <<
1707 option provides emulation of the in <<
1708 cores, back to Loongson-3A1000. <<
1709 <<
1710 If unsure, please say Y. <<
1711 <<
1712 config CPU_MIPS32_3_5_FEATURES 1669 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1670 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1671 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1672 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1673 CPU_P5600
1717 help 1674 help
1718 Choose this option to build a kerne 1675 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1676 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1677 support for Enhanced Virtual Addressing (EVA).
1721 1678
1722 config CPU_MIPS32_3_5_EVA 1679 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1680 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1681 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1682 select EVA
1726 default y 1683 default y
1727 help 1684 help
1728 Choose this option if you want to e 1685 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1686 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1687 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1688 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1689
1733 config CPU_MIPS32_R5_FEATURES 1690 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1691 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1692 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1693 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1694 help
1738 Choose this option to build a kerne 1695 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1696 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1697 support for Extended Physical Addressing (XPA).
1741 1698
1742 config CPU_MIPS32_R5_XPA 1699 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1700 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1701 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1702 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1703 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1704 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1705 select XPA
1749 select HIGHMEM 1706 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1707 select PHYS_ADDR_T_64BIT
1751 default n 1708 default n
1752 help 1709 help
1753 Choose this option if you want to e 1710 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1711 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1712 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1713 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1714 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1715 If unsure, say 'N' here.
1759 1716
1760 if CPU_LOONGSON2F 1717 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1718 config CPU_NOP_WORKAROUNDS
1762 bool 1719 bool
1763 1720
1764 config CPU_JUMP_WORKAROUNDS 1721 config CPU_JUMP_WORKAROUNDS
1765 bool 1722 bool
1766 1723
1767 config CPU_LOONGSON2F_WORKAROUNDS 1724 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1725 bool "Loongson 2F Workarounds"
1769 default y 1726 default y
1770 select CPU_NOP_WORKAROUNDS 1727 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1728 select CPU_JUMP_WORKAROUNDS
1772 help 1729 help
1773 Loongson 2F01 / 2F02 processors hav 1730 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1731 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1732 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1733 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1734
1778 Loongson 2F03 and later have fixed 1735 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1736 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1737 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1738 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1739 systems.
1783 1740
1784 If unsure, please say Y. 1741 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1742 endif # CPU_LOONGSON2F
1786 1743
1787 config SYS_SUPPORTS_ZBOOT 1744 config SYS_SUPPORTS_ZBOOT
1788 bool 1745 bool
1789 select HAVE_KERNEL_GZIP 1746 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1747 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1748 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1749 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1750 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1751 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1752 select HAVE_KERNEL_ZSTD
1796 1753
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1754 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1755 bool
1799 select SYS_SUPPORTS_ZBOOT 1756 select SYS_SUPPORTS_ZBOOT
1800 1757
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1758 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1759 bool
1803 select SYS_SUPPORTS_ZBOOT 1760 select SYS_SUPPORTS_ZBOOT
1804 1761
1805 config CPU_LOONGSON2EF 1762 config CPU_LOONGSON2EF
1806 bool 1763 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1764 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1765 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1766 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1767 select CPU_SUPPORTS_HUGEPAGES
1811 1768
1812 config CPU_LOONGSON32 1769 config CPU_LOONGSON32
1813 bool 1770 bool
1814 select CPU_MIPS32 1771 select CPU_MIPS32
1815 select CPU_MIPSR2 1772 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1773 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1774 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1775 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1776 select CPU_SUPPORTS_CPUFREQ
1820 1777
1821 config CPU_BMIPS32_3300 1778 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1779 select SMP_UP if SMP
1823 bool 1780 bool
1824 1781
1825 config CPU_BMIPS4350 1782 config CPU_BMIPS4350
1826 bool 1783 bool
1827 select SYS_SUPPORTS_SMP 1784 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1785 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1786
1830 config CPU_BMIPS4380 1787 config CPU_BMIPS4380
1831 bool 1788 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1789 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1790 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1791 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1792 select CPU_HAS_RIXI
1836 1793
1837 config CPU_BMIPS5000 1794 config CPU_BMIPS5000
1838 bool 1795 bool
1839 select MIPS_CPU_SCACHE 1796 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1797 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1798 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1799 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1800 select CPU_HAS_RIXI
1844 1801
1845 config SYS_HAS_CPU_LOONGSON64 1802 config SYS_HAS_CPU_LOONGSON64
1846 bool 1803 bool
1847 select CPU_SUPPORTS_CPUFREQ 1804 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1805 select CPU_HAS_RIXI
1849 1806
1850 config SYS_HAS_CPU_LOONGSON2E 1807 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1808 bool
1852 1809
1853 config SYS_HAS_CPU_LOONGSON2F 1810 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1811 bool
1855 select CPU_SUPPORTS_CPUFREQ 1812 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1813 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1814
1858 config SYS_HAS_CPU_LOONGSON1B 1815 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1816 bool
1860 1817
1861 config SYS_HAS_CPU_LOONGSON1C 1818 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1819 bool
1863 1820
1864 config SYS_HAS_CPU_MIPS32_R1 1821 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1822 bool
1866 1823
1867 config SYS_HAS_CPU_MIPS32_R2 1824 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1825 bool
1869 1826
1870 config SYS_HAS_CPU_MIPS32_R3_5 1827 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1828 bool
1872 1829
1873 config SYS_HAS_CPU_MIPS32_R5 1830 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1831 bool
1875 1832
1876 config SYS_HAS_CPU_MIPS32_R6 1833 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1834 bool
1878 1835
1879 config SYS_HAS_CPU_MIPS64_R1 1836 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1837 bool
1881 1838
1882 config SYS_HAS_CPU_MIPS64_R2 1839 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1840 bool
1884 1841
1885 config SYS_HAS_CPU_MIPS64_R5 1842 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1843 bool
1887 1844
1888 config SYS_HAS_CPU_MIPS64_R6 1845 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1846 bool
1890 1847
1891 config SYS_HAS_CPU_P5600 1848 config SYS_HAS_CPU_P5600
1892 bool 1849 bool
1893 1850
1894 config SYS_HAS_CPU_R3000 1851 config SYS_HAS_CPU_R3000
1895 bool 1852 bool
1896 1853
1897 config SYS_HAS_CPU_R4300 1854 config SYS_HAS_CPU_R4300
1898 bool 1855 bool
1899 1856
1900 config SYS_HAS_CPU_R4X00 1857 config SYS_HAS_CPU_R4X00
1901 bool 1858 bool
1902 1859
1903 config SYS_HAS_CPU_TX49XX 1860 config SYS_HAS_CPU_TX49XX
1904 bool 1861 bool
1905 1862
1906 config SYS_HAS_CPU_R5000 1863 config SYS_HAS_CPU_R5000
1907 bool 1864 bool
1908 1865
1909 config SYS_HAS_CPU_R5500 1866 config SYS_HAS_CPU_R5500
1910 bool 1867 bool
1911 1868
1912 config SYS_HAS_CPU_NEVADA 1869 config SYS_HAS_CPU_NEVADA
1913 bool 1870 bool
1914 1871
1915 config SYS_HAS_CPU_R10000 1872 config SYS_HAS_CPU_R10000
1916 bool 1873 bool
1917 1874
1918 config SYS_HAS_CPU_RM7000 1875 config SYS_HAS_CPU_RM7000
1919 bool 1876 bool
1920 1877
1921 config SYS_HAS_CPU_SB1 1878 config SYS_HAS_CPU_SB1
1922 bool 1879 bool
1923 1880
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1881 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1882 bool
1926 1883
1927 config SYS_HAS_CPU_BMIPS 1884 config SYS_HAS_CPU_BMIPS
1928 bool 1885 bool
1929 1886
1930 config SYS_HAS_CPU_BMIPS32_3300 1887 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1888 bool
1932 select SYS_HAS_CPU_BMIPS 1889 select SYS_HAS_CPU_BMIPS
1933 1890
1934 config SYS_HAS_CPU_BMIPS4350 1891 config SYS_HAS_CPU_BMIPS4350
1935 bool 1892 bool
1936 select SYS_HAS_CPU_BMIPS 1893 select SYS_HAS_CPU_BMIPS
1937 1894
1938 config SYS_HAS_CPU_BMIPS4380 1895 config SYS_HAS_CPU_BMIPS4380
1939 bool 1896 bool
1940 select SYS_HAS_CPU_BMIPS 1897 select SYS_HAS_CPU_BMIPS
1941 1898
1942 config SYS_HAS_CPU_BMIPS5000 1899 config SYS_HAS_CPU_BMIPS5000
1943 bool 1900 bool
1944 select SYS_HAS_CPU_BMIPS 1901 select SYS_HAS_CPU_BMIPS
1945 1902
1946 # 1903 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1904 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1905 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1906 #
1950 config WEAK_ORDERING 1907 config WEAK_ORDERING
1951 bool 1908 bool
1952 1909
1953 # 1910 #
1954 # CPU may reorder reads and writes beyond LL/ 1911 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1912 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1913 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1914 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1915 bool
1959 endmenu 1916 endmenu
1960 1917
1961 # 1918 #
1962 # These two indicate any level of the MIPS32 1919 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1920 #
1964 config CPU_MIPS32 1921 config CPU_MIPS32
1965 bool 1922 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1923 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1924 CPU_MIPS32_R6 || CPU_P5600
1968 1925
1969 config CPU_MIPS64 1926 config CPU_MIPS64
1970 bool 1927 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 1928 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 1929 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 1930
1974 # 1931 #
1975 # These indicate the revision of the architec 1932 # These indicate the revision of the architecture
1976 # 1933 #
1977 config CPU_MIPSR1 1934 config CPU_MIPSR1
1978 bool 1935 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1936 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1937
1981 config CPU_MIPSR2 1938 config CPU_MIPSR2
1982 bool 1939 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1940 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 1941 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1942 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 1943 select MIPS_SPRAM
1987 1944
1988 config CPU_MIPSR5 1945 config CPU_MIPSR5
1989 bool 1946 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 1947 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 1948 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1949 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 1950 select MIPS_SPRAM
1994 1951
1995 config CPU_MIPSR6 1952 config CPU_MIPSR6
1996 bool 1953 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 1954 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 1955 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1956 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 1957 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 1958 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 1959 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 1960 select MIPS_SPRAM
2004 1961
2005 config TARGET_ISA_REV 1962 config TARGET_ISA_REV
2006 int 1963 int
2007 default 1 if CPU_MIPSR1 1964 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 1965 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 1966 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 1967 default 6 if CPU_MIPSR6
2011 default 0 1968 default 0
2012 help 1969 help
2013 Reflects the ISA revision being tar 1970 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 1971 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 1972
2016 config EVA 1973 config EVA
2017 bool 1974 bool
2018 1975
2019 config XPA 1976 config XPA
2020 bool 1977 bool
2021 1978
2022 config SYS_SUPPORTS_32BIT_KERNEL 1979 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 1980 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 1981 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 1982 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 1983 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 1984 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 1985 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 1986 bool
2030 config CPU_SUPPORTS_CPUFREQ 1987 config CPU_SUPPORTS_CPUFREQ
2031 bool 1988 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 1989 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 1990 bool
2034 config CPU_SUPPORTS_HUGEPAGES 1991 config CPU_SUPPORTS_HUGEPAGES
2035 bool 1992 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 1993 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 1994 config MIPS_PGD_C0_CONTEXT
2040 bool 1995 bool
2041 depends on 64BIT 1996 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 1997 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 1998
2044 # 1999 #
2045 # Set to y for ptrace access to watch registe 2000 # Set to y for ptrace access to watch registers.
2046 # 2001 #
2047 config HARDWARE_WATCHPOINTS 2002 config HARDWARE_WATCHPOINTS
2048 bool 2003 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2004 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2005
2051 menu "Kernel type" 2006 menu "Kernel type"
2052 2007
2053 choice 2008 choice
2054 prompt "Kernel code model" 2009 prompt "Kernel code model"
2055 help 2010 help
2056 You should only select this option 2011 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2012 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2013 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2014 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2015
2061 config 32BIT 2016 config 32BIT
2062 bool "32-bit kernel" 2017 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2018 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2019 select TRAD_SIGNALS
2065 help 2020 help
2066 Select this option if you want to b 2021 Select this option if you want to build a 32-bit kernel.
2067 2022
2068 config 64BIT 2023 config 64BIT
2069 bool "64-bit kernel" 2024 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2025 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2026 help
2072 Select this option if you want to b 2027 Select this option if you want to build a 64-bit kernel.
2073 2028
2074 endchoice 2029 endchoice
2075 2030
2076 config MIPS_VA_BITS_48 2031 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2032 bool "48 bits virtual memory"
2078 depends on 64BIT 2033 depends on 64BIT
2079 help 2034 help
2080 Support a maximum at least 48 bits 2035 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2036 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2037 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2038 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2039 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2040 overhead as well as slower TLB fault handling.
2086 2041
2087 If unsure, say N. 2042 If unsure, say N.
2088 2043
2089 config ZBOOT_LOAD_ADDRESS 2044 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2045 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2046 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2047 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2048 depends on SYS_SUPPORTS_ZBOOT
2094 help 2049 help
2095 The address to load compressed kern 2050 The address to load compressed kernel, aka vmlinuz.
2096 2051
2097 This is only used if non-zero. 2052 This is only used if non-zero.
2098 2053
>> 2054 choice
>> 2055 prompt "Kernel page size"
>> 2056 default PAGE_SIZE_4KB
>> 2057
>> 2058 config PAGE_SIZE_4KB
>> 2059 bool "4kB"
>> 2060 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2061 help
>> 2062 This option select the standard 4kB Linux page size. On some
>> 2063 R3000-family processors this is the only available page size. Using
>> 2064 4kB page size will minimize memory consumption and is therefore
>> 2065 recommended for low memory systems.
>> 2066
>> 2067 config PAGE_SIZE_8KB
>> 2068 bool "8kB"
>> 2069 depends on CPU_CAVIUM_OCTEON
>> 2070 depends on !MIPS_VA_BITS_48
>> 2071 help
>> 2072 Using 8kB page size will result in higher performance kernel at
>> 2073 the price of higher memory consumption. This option is available
>> 2074 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2075 distribution to support this.
>> 2076
>> 2077 config PAGE_SIZE_16KB
>> 2078 bool "16kB"
>> 2079 depends on !CPU_R3000
>> 2080 help
>> 2081 Using 16kB page size will result in higher performance kernel at
>> 2082 the price of higher memory consumption. This option is available on
>> 2083 all non-R3000 family processors. Note that you will need a suitable
>> 2084 Linux distribution to support this.
>> 2085
>> 2086 config PAGE_SIZE_32KB
>> 2087 bool "32kB"
>> 2088 depends on CPU_CAVIUM_OCTEON
>> 2089 depends on !MIPS_VA_BITS_48
>> 2090 help
>> 2091 Using 32kB page size will result in higher performance kernel at
>> 2092 the price of higher memory consumption. This option is available
>> 2093 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2094 distribution to support this.
>> 2095
>> 2096 config PAGE_SIZE_64KB
>> 2097 bool "64kB"
>> 2098 depends on !CPU_R3000
>> 2099 help
>> 2100 Using 64kB page size will result in higher performance kernel at
>> 2101 the price of higher memory consumption. This option is available on
>> 2102 all non-R3000 family processor. Not that at the time of this
>> 2103 writing this option is still high experimental.
>> 2104
>> 2105 endchoice
>> 2106
2099 config ARCH_FORCE_MAX_ORDER 2107 config ARCH_FORCE_MAX_ORDER
2100 int "Maximum zone order" 2108 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT 2109 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT 2110 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT 2111 default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104 default "10" 2112 default "10"
2105 help 2113 help
2106 The kernel memory allocator divides 2114 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2115 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2116 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2117 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2118 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2119 increase this value.
2112 2120
2113 The page size is not necessarily 4K 2121 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2122 when choosing a value for this option.
2115 2123
2116 config BOARD_SCACHE 2124 config BOARD_SCACHE
2117 bool 2125 bool
2118 2126
2119 config IP22_CPU_SCACHE 2127 config IP22_CPU_SCACHE
2120 bool 2128 bool
2121 select BOARD_SCACHE 2129 select BOARD_SCACHE
2122 2130
2123 # 2131 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2132 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2133 #
2126 config MIPS_CPU_SCACHE 2134 config MIPS_CPU_SCACHE
2127 bool 2135 bool
2128 select BOARD_SCACHE 2136 select BOARD_SCACHE
2129 2137
2130 config R5000_CPU_SCACHE 2138 config R5000_CPU_SCACHE
2131 bool 2139 bool
2132 select BOARD_SCACHE 2140 select BOARD_SCACHE
2133 2141
2134 config RM7000_CPU_SCACHE 2142 config RM7000_CPU_SCACHE
2135 bool 2143 bool
2136 select BOARD_SCACHE 2144 select BOARD_SCACHE
2137 2145
2138 config SIBYTE_DMA_PAGEOPS 2146 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2147 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2148 depends on CPU_SB1
2141 help 2149 help
2142 Instead of using the CPU to zero an 2150 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2151 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2152 SiByte Linux port. Seems to give a small performance benefit.
2145 2153
2146 config CPU_HAS_PREFETCH 2154 config CPU_HAS_PREFETCH
2147 bool 2155 bool
2148 2156
2149 config CPU_GENERIC_DUMP_TLB 2157 config CPU_GENERIC_DUMP_TLB
2150 bool 2158 bool
2151 default y if !CPU_R3000 2159 default y if !CPU_R3000
2152 2160
2153 config MIPS_FP_SUPPORT 2161 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2162 bool "Floating Point support" if EXPERT
2155 default y 2163 default y
2156 help 2164 help
2157 Select y to include support for flo 2165 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2166 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2167 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2168 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2169 receive a SIGILL.
2162 2170
2163 If you know that your userland will 2171 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2172 instructions then you can say n here to shrink the kernel a little.
2165 2173
2166 If unsure, say y. 2174 If unsure, say y.
2167 2175
2168 config CPU_R2300_FPU 2176 config CPU_R2300_FPU
2169 bool 2177 bool
2170 depends on MIPS_FP_SUPPORT 2178 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 2179 default y if CPU_R3000
2172 2180
2173 config CPU_R3K_TLB 2181 config CPU_R3K_TLB
2174 bool 2182 bool
2175 2183
2176 config CPU_R4K_FPU 2184 config CPU_R4K_FPU
2177 bool 2185 bool
2178 depends on MIPS_FP_SUPPORT 2186 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2187 default y if !CPU_R2300_FPU
2180 2188
2181 config CPU_R4K_CACHE_TLB 2189 config CPU_R4K_CACHE_TLB
2182 bool 2190 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2191 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2192
2185 config MIPS_MT_SMP 2193 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2194 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2195 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2196 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2197 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2198 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2199 select SYNC_R4K
2193 select MIPS_MT 2200 select MIPS_MT
2194 select SMP 2201 select SMP
2195 select SMP_UP 2202 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2203 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2204 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2205 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2206 help
2200 This is a kernel model which is kno 2207 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2208 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2209 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2210 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2211 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2212
2206 config MIPS_MT 2213 config MIPS_MT
2207 bool 2214 bool
2208 2215
2209 config SCHED_SMT 2216 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2217 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2218 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2219 default n
2213 help 2220 help
2214 SMT scheduler support improves the 2221 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2222 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2223 increased overhead in some places. If unsure say N here.
2217 2224
2218 config SYS_SUPPORTS_SCHED_SMT 2225 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2226 bool
2220 2227
2221 config SYS_SUPPORTS_MULTITHREADING 2228 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2229 bool
2223 2230
2224 config MIPS_MT_FPAFF 2231 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2232 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2233 default y
2227 depends on MIPS_MT_SMP 2234 depends on MIPS_MT_SMP
2228 2235
2229 config MIPSR2_TO_R6_EMULATOR 2236 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2237 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2238 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2239 depends on MIPS_FP_SUPPORT
2233 default y 2240 default y
2234 help 2241 help
2235 Choose this option if you want to r 2242 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2243 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2244 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2245 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2246 final kernel image.
2240 2247
2241 config SYS_SUPPORTS_VPE_LOADER 2248 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2249 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2250 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2251 help
2245 Indicates that the platform support 2252 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2253 physical_memsize.
2247 2254
2248 config MIPS_VPE_LOADER 2255 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2256 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2257 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2258 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2259 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2260 select MIPS_MT
2254 help 2261 help
2255 Includes a loader for loading an el 2262 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2263 onto another VPE and running it.
2257 2264
2258 config MIPS_VPE_LOADER_MT 2265 config MIPS_VPE_LOADER_MT
2259 bool 2266 bool
2260 default "y" 2267 default "y"
2261 depends on MIPS_VPE_LOADER 2268 depends on MIPS_VPE_LOADER
2262 2269
2263 config MIPS_VPE_LOADER_TOM 2270 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2271 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2272 depends on MIPS_VPE_LOADER
2266 default y 2273 default y
2267 help 2274 help
2268 The loader can use memory that is p 2275 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2276 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2277 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2278 program requires is less or equal to the amount physically present.
2272 2279
2273 config MIPS_VPE_APSP_API 2280 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2281 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2282 depends on MIPS_VPE_LOADER
2276 2283
2277 config MIPS_VPE_APSP_API_MT 2284 config MIPS_VPE_APSP_API_MT
2278 bool 2285 bool
2279 default "y" 2286 default "y"
2280 depends on MIPS_VPE_APSP_API 2287 depends on MIPS_VPE_APSP_API
2281 2288
2282 config MIPS_CPS 2289 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2290 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2291 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2292 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2293 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2294 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP 2295 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2296 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2297 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2298 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2299 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2300 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2301 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2302 help
2296 Select this if you wish to run an S 2303 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2304 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2305 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2306 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2307 support is unavailable.
2301 2308
2302 config MIPS_CPS_PM 2309 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2310 depends on MIPS_CPS
2304 bool 2311 bool
2305 2312
2306 config MIPS_CM 2313 config MIPS_CM
2307 bool 2314 bool
2308 select MIPS_CPC 2315 select MIPS_CPC
2309 2316
2310 config MIPS_CPC 2317 config MIPS_CPC
2311 bool 2318 bool
2312 2319
2313 config SB1_PASS_2_WORKAROUNDS 2320 config SB1_PASS_2_WORKAROUNDS
2314 bool 2321 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2322 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2323 default y
2317 2324
2318 config SB1_PASS_2_1_WORKAROUNDS 2325 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2326 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2327 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2328 default y
2322 2329
2323 choice 2330 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2331 prompt "SmartMIPS or microMIPS ASE support"
2325 2332
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2333 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2334 bool "None"
2328 help 2335 help
2329 Select this if you want neither mic 2336 Select this if you want neither microMIPS nor SmartMIPS support
2330 2337
2331 config CPU_HAS_SMARTMIPS 2338 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2339 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2340 bool "SmartMIPS"
2334 help 2341 help
2335 SmartMIPS is a extension of the MIP 2342 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2343 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2344 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2345 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2346 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2347 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2348 here.
2342 2349
2343 config CPU_MICROMIPS 2350 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2351 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2352 bool "microMIPS"
2346 help 2353 help
2347 When this option is enabled the ker 2354 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2355 microMIPS ISA
2349 2356
2350 endchoice 2357 endchoice
2351 2358
2352 config CPU_HAS_MSA 2359 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2360 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2361 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2362 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2363 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2364 help
2358 MIPS SIMD Architecture (MSA) introd 2365 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2366 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2367 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2368 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2369 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2370 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2371 the size & complexity of your kernel.
2365 2372
2366 If unsure, say Y. 2373 If unsure, say Y.
2367 2374
2368 config CPU_HAS_WB 2375 config CPU_HAS_WB
2369 bool 2376 bool
2370 2377
2371 config XKS01 2378 config XKS01
2372 bool 2379 bool
2373 2380
2374 config CPU_HAS_DIEI 2381 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2382 depends on !CPU_DIEI_BROKEN
2376 bool 2383 bool
2377 2384
2378 config CPU_DIEI_BROKEN 2385 config CPU_DIEI_BROKEN
2379 bool 2386 bool
2380 2387
2381 config CPU_HAS_RIXI 2388 config CPU_HAS_RIXI
2382 bool 2389 bool
2383 2390
2384 config CPU_NO_LOAD_STORE_LR 2391 config CPU_NO_LOAD_STORE_LR
2385 bool 2392 bool
2386 help 2393 help
2387 CPU lacks support for unaligned loa 2394 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2395 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2396 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2397 systems).
2391 2398
2392 # 2399 #
2393 # Vectored interrupt mode is an R2 feature 2400 # Vectored interrupt mode is an R2 feature
2394 # 2401 #
2395 config CPU_MIPSR2_IRQ_VI 2402 config CPU_MIPSR2_IRQ_VI
2396 bool 2403 bool
2397 2404
2398 # 2405 #
2399 # Extended interrupt mode is an R2 feature 2406 # Extended interrupt mode is an R2 feature
2400 # 2407 #
2401 config CPU_MIPSR2_IRQ_EI 2408 config CPU_MIPSR2_IRQ_EI
2402 bool 2409 bool
2403 2410
2404 config CPU_HAS_SYNC 2411 config CPU_HAS_SYNC
2405 bool 2412 bool
2406 depends on !CPU_R3000 2413 depends on !CPU_R3000
2407 default y 2414 default y
2408 2415
2409 # 2416 #
2410 # CPU non-features 2417 # CPU non-features
2411 # 2418 #
2412 2419
2413 # Work around the "daddi" and "daddiu" CPU er 2420 # Work around the "daddi" and "daddiu" CPU errata:
2414 # 2421 #
2415 # - The `daddi' instruction fails to trap on 2422 # - The `daddi' instruction fails to trap on overflow.
2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2423 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 # erratum #23 2424 # erratum #23
2418 # 2425 #
2419 # - The `daddiu' instruction can produce an i 2426 # - The `daddiu' instruction can produce an incorrect result.
2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2427 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 # erratum #41 2428 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision 2429 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 # #15 2430 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2431 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 # "MIPS R4400MC Errata, Processor Revision 2432 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS 2433 config CPU_DADDI_WORKAROUNDS
2427 bool 2434 bool
2428 2435
2429 # Work around certain R4000 CPU errata (as im 2436 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 # 2437 #
2431 # - A double-word or a variable shift may giv 2438 # - A double-word or a variable shift may give an incorrect result
2432 # if executed immediately after starting an 2439 # if executed immediately after starting an integer division:
2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2440 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 # erratum #28 2441 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision 2442 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 # #19 2443 # #19
2437 # 2444 #
2438 # - A double-word or a variable shift may giv 2445 # - A double-word or a variable shift may give an incorrect result
2439 # if executed while an integer multiplicati 2446 # if executed while an integer multiplication is in progress:
2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2447 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 # errata #16 & #28 2448 # errata #16 & #28
2442 # 2449 #
2443 # - An integer division may give an incorrect 2450 # - An integer division may give an incorrect result if started in
2444 # a delay slot of a taken branch or a jump: 2451 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2452 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 # erratum #52 2453 # erratum #52
2447 config CPU_R4000_WORKAROUNDS 2454 config CPU_R4000_WORKAROUNDS
2448 bool 2455 bool
2449 select CPU_R4400_WORKAROUNDS 2456 select CPU_R4400_WORKAROUNDS
2450 2457
2451 # Work around certain R4400 CPU errata (as im 2458 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 # 2459 #
2453 # - A double-word or a variable shift may giv 2460 # - A double-word or a variable shift may give an incorrect result
2454 # if executed immediately after starting an 2461 # if executed immediately after starting an integer division:
2455 # "MIPS R4400MC Errata, Processor Revision 2462 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 # "MIPS R4400MC Errata, Processor Revision 2463 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS 2464 config CPU_R4400_WORKAROUNDS
2458 bool 2465 bool
2459 2466
2460 config CPU_R4X00_BUGS64 2467 config CPU_R4X00_BUGS64
2461 bool 2468 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2469 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2470
2464 config MIPS_ASID_SHIFT 2471 config MIPS_ASID_SHIFT
2465 int 2472 int
2466 default 6 if CPU_R3000 2473 default 6 if CPU_R3000
2467 default 0 2474 default 0
2468 2475
2469 config MIPS_ASID_BITS 2476 config MIPS_ASID_BITS
2470 int 2477 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2478 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 2479 default 6 if CPU_R3000
2473 default 8 2480 default 8
2474 2481
2475 config MIPS_ASID_BITS_VARIABLE 2482 config MIPS_ASID_BITS_VARIABLE
2476 bool 2483 bool
2477 2484
2478 config MIPS_CRC_SUPPORT 2485 config MIPS_CRC_SUPPORT
2479 bool 2486 bool
2480 2487
2481 # R4600 erratum. Due to the lack of errata i 2488 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2489 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2490 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2491 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2492 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2493 bool
2487 2494
2488 # Pleasures of the R4600 V1.x. Cite from the 2495 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2496 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2497 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2498 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2499 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2500 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2501 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2502 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2503 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2504 # four instructions that are not any kind of load or store
2498 # instruction. 2505 # instruction.
2499 # 2506 #
2500 # This is not allowed: lw 2507 # This is not allowed: lw
2501 # nop 2508 # nop
2502 # nop 2509 # nop
2503 # nop 2510 # nop
2504 # cache Hi 2511 # cache Hit_Writeback_Invalidate_D
2505 # 2512 #
2506 # This is allowed: lw 2513 # This is allowed: lw
2507 # nop 2514 # nop
2508 # nop 2515 # nop
2509 # nop 2516 # nop
2510 # nop 2517 # nop
2511 # cache Hi 2518 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2519 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2520 bool
2514 2521
2515 # Writeback and invalidate the primary cache 2522 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2523 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2524 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2525 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2526 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2527 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2528 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2529 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2530 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2531 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2532 bool
2526 2533
2527 # From TX49/H2 manual: "If the instruction (i 2534 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2535 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2536 # operation is not guaranteed."
2530 # 2537 #
2531 # Workaround: do two phase flushing for Index 2538 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2539 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2540 bool
2534 2541
2535 # The RM7000 processors and the E9000 cores h 2542 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2543 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2544 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2545 # exceptions.
2539 config WAR_ICACHE_REFILLS 2546 config WAR_ICACHE_REFILLS
2540 bool 2547 bool
2541 2548
2542 # On the R10000 up to version 2.6 (not sure a 2549 # 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 2550 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2551 config WAR_R10000_LLSC
2545 bool 2552 bool
2546 2553
2547 # 34K core erratum: "Problems Executing the T 2554 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2555 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2556 bool
2550 2557
2551 # 2558 #
2552 # - Highmem only makes sense for the 32-bit k 2559 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2560 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2561 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2562 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2563 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2564 # 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 2565 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2566 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2567 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2568 # know they might have memory configurations that could make use of highmem
2562 # support. 2569 # support.
2563 # 2570 #
2564 config HIGHMEM 2571 config HIGHMEM
2565 bool "High Memory Support" 2572 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2573 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2574 select KMAP_LOCAL
2568 2575
2569 config CPU_SUPPORTS_HIGHMEM 2576 config CPU_SUPPORTS_HIGHMEM
2570 bool 2577 bool
2571 2578
2572 config SYS_SUPPORTS_HIGHMEM 2579 config SYS_SUPPORTS_HIGHMEM
2573 bool 2580 bool
2574 2581
2575 config SYS_SUPPORTS_SMARTMIPS 2582 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2583 bool
2577 2584
2578 config SYS_SUPPORTS_MICROMIPS 2585 config SYS_SUPPORTS_MICROMIPS
2579 bool 2586 bool
2580 2587
2581 config SYS_SUPPORTS_MIPS16 2588 config SYS_SUPPORTS_MIPS16
2582 bool 2589 bool
2583 help 2590 help
2584 This option must be set if a kernel 2591 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2592 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2593 words, it makes the kernel MIPS16-tolerant.
2587 2594
2588 config CPU_SUPPORTS_MSA 2595 config CPU_SUPPORTS_MSA
2589 bool 2596 bool
2590 2597
2591 config ARCH_FLATMEM_ENABLE 2598 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2599 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2600 depends on !NUMA && !CPU_LOONGSON2EF
2594 2601
2595 config ARCH_SPARSEMEM_ENABLE 2602 config ARCH_SPARSEMEM_ENABLE
2596 bool 2603 bool
2597 2604
2598 config NUMA 2605 config NUMA
2599 bool "NUMA Support" 2606 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2607 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2608 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2609 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2610 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2611 help
2605 Say Y to compile the kernel to supp 2612 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2613 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2614 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2615 leave it disabled; on single node systems leave this option
2609 disabled. 2616 disabled.
2610 2617
2611 config SYS_SUPPORTS_NUMA 2618 config SYS_SUPPORTS_NUMA
2612 bool 2619 bool
2613 2620
>> 2621 config HAVE_ARCH_NODEDATA_EXTENSION
>> 2622 bool
>> 2623
2614 config RELOCATABLE 2624 config RELOCATABLE
2615 bool "Relocatable kernel" 2625 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2626 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2627 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2628 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2629 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2630 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2631 CPU_LOONGSON64
2622 help 2632 help
2623 This builds a kernel image that ret 2633 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2634 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2635 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2636 but are discarded at runtime
2627 2637
2628 config RELOCATION_TABLE_SIZE 2638 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2639 hex "Relocation table size"
2630 depends on RELOCATABLE 2640 depends on RELOCATABLE
2631 range 0x0 0x01000000 2641 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2642 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2643 default "0x00100000"
2634 help 2644 help
2635 A table of relocation data will be 2645 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2646 and parsed at boot to fix up the relocated kernel.
2637 2647
2638 This option allows the amount of sp 2648 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2649 adjusted, although the default of 1Mb should be ok in most cases.
2640 2650
2641 The build will fail and a valid siz 2651 The build will fail and a valid size suggested if this is too small.
2642 2652
2643 If unsure, leave at the default val 2653 If unsure, leave at the default value.
2644 2654
2645 config RANDOMIZE_BASE 2655 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2656 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2657 depends on RELOCATABLE
2648 help 2658 help
2649 Randomizes the physical and virtual 2659 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2660 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2661 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2662 of kernel internals.
2653 2663
2654 Entropy is generated using any copr 2664 Entropy is generated using any coprocessor 0 registers available.
2655 2665
2656 The kernel will be offset by up to 2666 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2667
2658 If unsure, say N. 2668 If unsure, say N.
2659 2669
2660 config RANDOMIZE_BASE_MAX_OFFSET 2670 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2671 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2672 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2673 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2674 range 0x0 0x08000000
2665 default "0x01000000" 2675 default "0x01000000"
2666 help 2676 help
2667 When kASLR is active, this provides 2677 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2678 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2679 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2680 PHYSICAL_START and must be a power of 2.
2671 2681
2672 This is limited by the size of KSEG 2682 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2683 EVA or 64-bit. The default is 16Mb.
2674 2684
2675 config NODES_SHIFT 2685 config NODES_SHIFT
2676 int 2686 int
2677 default "6" 2687 default "6"
2678 depends on NUMA 2688 depends on NUMA
2679 2689
2680 config HW_PERF_EVENTS 2690 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2691 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2692 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2693 default y
2684 help 2694 help
2685 Enable hardware performance counter 2695 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2696 disabled, perf events will use software events only.
2687 2697
2688 config DMI 2698 config DMI
2689 bool "Enable DMI scanning" 2699 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2700 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2701 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2702 default y
2693 help 2703 help
2694 Enabled scanning of DMI to identify 2704 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2705 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2706 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2707 BIOS code.
2698 2708
2699 config SMP 2709 config SMP
2700 bool "Multi-Processing support" 2710 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2711 depends on SYS_SUPPORTS_SMP
2702 help 2712 help
2703 This enables support for systems wi 2713 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2714 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2715 than one CPU, say Y.
2706 2716
2707 If you say N here, the kernel will 2717 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2718 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2719 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2720 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2721 will run faster if you say N here.
2712 2722
2713 People using multiprocessor machine 2723 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2724 Y to "Enhanced Real Time Clock Support", below.
2715 2725
2716 See also the SMP-HOWTO available at 2726 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2727 <https://www.tldp.org/docs.html#howto>.
2718 2728
2719 If you don't know what to do here, 2729 If you don't know what to do here, say N.
2720 2730
2721 config HOTPLUG_CPU 2731 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2732 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2733 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2734 help
2725 Say Y here to allow turning CPUs of 2735 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2736 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2737 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2738 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2739 Say N if you want to disable CPU hotplug.
2730 2740
2731 config SMP_UP 2741 config SMP_UP
2732 bool 2742 bool
2733 2743
2734 config SYS_SUPPORTS_MIPS_CPS 2744 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2745 bool
2736 2746
2737 config SYS_SUPPORTS_SMP 2747 config SYS_SUPPORTS_SMP
2738 bool 2748 bool
2739 2749
2740 config NR_CPUS_DEFAULT_4 2750 config NR_CPUS_DEFAULT_4
2741 bool 2751 bool
2742 2752
2743 config NR_CPUS_DEFAULT_8 2753 config NR_CPUS_DEFAULT_8
2744 bool 2754 bool
2745 2755
2746 config NR_CPUS_DEFAULT_16 2756 config NR_CPUS_DEFAULT_16
2747 bool 2757 bool
2748 2758
2749 config NR_CPUS_DEFAULT_32 2759 config NR_CPUS_DEFAULT_32
2750 bool 2760 bool
2751 2761
2752 config NR_CPUS_DEFAULT_64 2762 config NR_CPUS_DEFAULT_64
2753 bool 2763 bool
2754 2764
2755 config NR_CPUS 2765 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2766 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2767 range 2 256
2758 depends on SMP 2768 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2769 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2770 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2771 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2772 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2773 default "64" if NR_CPUS_DEFAULT_64
2764 help 2774 help
2765 This allows you to specify the maxi 2775 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2776 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2777 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2778 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2779 and 2 for all others.
2770 2780
2771 This is purely to save memory - eac 2781 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2782 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2783 performance should round up your number of processors to the next
2774 power of two. 2784 power of two.
2775 2785
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2786 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2787 bool
2778 2788
2779 config MIPS_NR_CPU_NR_MAP_1024 2789 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2790 bool
2781 2791
2782 config MIPS_NR_CPU_NR_MAP 2792 config MIPS_NR_CPU_NR_MAP
2783 int 2793 int
2784 depends on SMP 2794 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2795 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2796 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2797
2788 # 2798 #
2789 # Timer Interrupt Frequency Configuration 2799 # Timer Interrupt Frequency Configuration
2790 # 2800 #
2791 2801
2792 choice 2802 choice
2793 prompt "Timer frequency" 2803 prompt "Timer frequency"
2794 default HZ_250 2804 default HZ_250
2795 help 2805 help
2796 Allows the configuration of the tim 2806 Allows the configuration of the timer frequency.
2797 2807
2798 config HZ_24 2808 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2809 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2810
2801 config HZ_48 2811 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2812 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2813
2804 config HZ_100 2814 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2815 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2816
2807 config HZ_128 2817 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2818 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2819
2810 config HZ_250 2820 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2821 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2822
2813 config HZ_256 2823 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2824 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2825
2816 config HZ_1000 2826 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2827 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2828
2819 config HZ_1024 2829 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2830 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2831
2822 endchoice 2832 endchoice
2823 2833
2824 config SYS_SUPPORTS_24HZ 2834 config SYS_SUPPORTS_24HZ
2825 bool 2835 bool
2826 2836
2827 config SYS_SUPPORTS_48HZ 2837 config SYS_SUPPORTS_48HZ
2828 bool 2838 bool
2829 2839
2830 config SYS_SUPPORTS_100HZ 2840 config SYS_SUPPORTS_100HZ
2831 bool 2841 bool
2832 2842
2833 config SYS_SUPPORTS_128HZ 2843 config SYS_SUPPORTS_128HZ
2834 bool 2844 bool
2835 2845
2836 config SYS_SUPPORTS_250HZ 2846 config SYS_SUPPORTS_250HZ
2837 bool 2847 bool
2838 2848
2839 config SYS_SUPPORTS_256HZ 2849 config SYS_SUPPORTS_256HZ
2840 bool 2850 bool
2841 2851
2842 config SYS_SUPPORTS_1000HZ 2852 config SYS_SUPPORTS_1000HZ
2843 bool 2853 bool
2844 2854
2845 config SYS_SUPPORTS_1024HZ 2855 config SYS_SUPPORTS_1024HZ
2846 bool 2856 bool
2847 2857
2848 config SYS_SUPPORTS_ARBIT_HZ 2858 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2859 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2860 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2861 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2862 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2863 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2864 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2865 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2866 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2867 !SYS_SUPPORTS_1024HZ
2858 2868
2859 config HZ 2869 config HZ
2860 int 2870 int
2861 default 24 if HZ_24 2871 default 24 if HZ_24
2862 default 48 if HZ_48 2872 default 48 if HZ_48
2863 default 100 if HZ_100 2873 default 100 if HZ_100
2864 default 128 if HZ_128 2874 default 128 if HZ_128
2865 default 250 if HZ_250 2875 default 250 if HZ_250
2866 default 256 if HZ_256 2876 default 256 if HZ_256
2867 default 1000 if HZ_1000 2877 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2878 default 1024 if HZ_1024
2869 2879
2870 config SCHED_HRTICK 2880 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2881 def_bool HIGH_RES_TIMERS
2872 2882
2873 config ARCH_SUPPORTS_KEXEC 2883 config ARCH_SUPPORTS_KEXEC
2874 def_bool y 2884 def_bool y
2875 2885
2876 config ARCH_SUPPORTS_CRASH_DUMP 2886 config ARCH_SUPPORTS_CRASH_DUMP
2877 def_bool y 2887 def_bool y
2878 2888
2879 config PHYSICAL_START 2889 config PHYSICAL_START
2880 hex "Physical address where the kerne 2890 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2891 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2892 depends on CRASH_DUMP
2883 help 2893 help
2884 This gives the CKSEG0 or KSEG0 addr 2894 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2895 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2896 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2897 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2898 passed to the panic-ed kernel).
2889 2899
2890 config MIPS_O32_FP64_SUPPORT 2900 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2901 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2902 depends on 32BIT || MIPS32_O32
2893 help 2903 help
2894 When this is enabled, the kernel wi 2904 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2905 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2906 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2907 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2908 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2909 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2910 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2911 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2912 saying N here.
2903 2913
2904 Although binutils currently support 2914 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2915 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 2916 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 2917 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2918 be considered experimental and only enabled by those working upon
2909 said details. 2919 said details.
2910 2920
2911 If unsure, say N. 2921 If unsure, say N.
2912 2922
2913 config USE_OF 2923 config USE_OF
2914 bool 2924 bool
2915 select OF 2925 select OF
2916 select OF_EARLY_FLATTREE 2926 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2927 select IRQ_DOMAIN
2918 2928
2919 config UHI_BOOT 2929 config UHI_BOOT
2920 bool 2930 bool
2921 2931
2922 config BUILTIN_DTB 2932 config BUILTIN_DTB
2923 bool 2933 bool
2924 2934
2925 choice 2935 choice
2926 prompt "Kernel appended dtb support" !! 2936 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2937 default MIPS_NO_APPENDED_DTB
2929 2938
2930 config MIPS_NO_APPENDED_DTB 2939 config MIPS_NO_APPENDED_DTB
2931 bool "None" 2940 bool "None"
2932 help 2941 help
2933 Do not enable appended dtb 2942 Do not enable appended dtb support.
2934 2943
2935 config MIPS_ELF_APPENDED_DTB 2944 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 2945 bool "vmlinux"
2937 help 2946 help
2938 With this option, the boot 2947 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 2948 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 2949 it is empty and the DTB can be appended using binutils command
2941 objcopy: 2950 objcopy:
2942 2951
2943 objcopy --update-section 2952 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 2953
2945 This is meant as a backward 2954 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 2955 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 2956 the documented boot protocol using a device tree.
2948 2957
2949 config MIPS_RAW_APPENDED_DTB 2958 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 2959 bool "vmlinux.bin or vmlinuz.bin"
2951 help 2960 help
2952 With this option, the boot 2961 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 2962 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 2963 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 2964
2956 This is meant as a backward 2965 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 2966 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 2967 the documented boot protocol using a device tree.
2959 2968
2960 Beware that there is very l 2969 Beware that there is very little in terms of protection against
2961 this option being confused 2970 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 2971 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 2972 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 2973 if you don't intend to always append a DTB.
2965 endchoice 2974 endchoice
2966 2975
2967 choice 2976 choice
2968 prompt "Kernel command line type" !! 2977 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2978 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 2979 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 2980 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 2981 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 2982
2975 config MIPS_CMDLINE_FROM_DTB 2983 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 2984 depends on USE_OF
2977 bool "Dtb kernel arguments if 2985 bool "Dtb kernel arguments if available"
2978 2986
2979 config MIPS_CMDLINE_DTB_EXTEND 2987 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 2988 depends on USE_OF
2981 bool "Extend dtb kernel argum 2989 bool "Extend dtb kernel arguments with bootloader arguments"
2982 2990
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 2991 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 2992 bool "Bootloader kernel arguments if available"
2985 2993
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 2994 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 2995 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 2996 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 2997 endchoice
2990 2998
2991 endmenu 2999 endmenu
2992 3000
2993 config LOCKDEP_SUPPORT 3001 config LOCKDEP_SUPPORT
2994 bool 3002 bool
2995 default y 3003 default y
2996 3004
2997 config STACKTRACE_SUPPORT 3005 config STACKTRACE_SUPPORT
2998 bool 3006 bool
2999 default y 3007 default y
3000 3008
3001 config PGTABLE_LEVELS 3009 config PGTABLE_LEVELS
3002 int 3010 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3011 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3012 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3013 default 2
3006 3014
3007 config MIPS_AUTO_PFN_OFFSET 3015 config MIPS_AUTO_PFN_OFFSET
3008 bool 3016 bool
3009 3017
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3018 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3019
3012 config PCI_DRIVERS_GENERIC 3020 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3021 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3022 bool
3015 3023
3016 config PCI_DRIVERS_LEGACY 3024 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3025 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3026 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3027 select PCI_DOMAINS if PCI
3020 3028
3021 # 3029 #
3022 # ISA support is now enabled via select. Too 3030 # 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 3031 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3032 # users to choose the right thing ...
3025 # 3033 #
3026 config ISA 3034 config ISA
3027 bool 3035 bool
3028 3036
3029 config TC 3037 config TC
3030 bool "TURBOchannel support" 3038 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3039 depends on MACH_DECSTATION
3032 help 3040 help
3033 TURBOchannel is a DEC (now Compaq ( 3041 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3042 processors. TURBOchannel programming specifications are available
3035 at: 3043 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3044 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3045 and:
3038 <http://www.computer-refuge.org/cla 3046 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3047 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3048 <http://www.linux-mips.org/wiki/DECstation>
3041 3049
3042 config MMU 3050 config MMU
3043 bool 3051 bool
3044 default y 3052 default y
3045 3053
3046 config ARCH_MMAP_RND_BITS_MIN 3054 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3055 default 12 if 64BIT
3048 default 8 3056 default 8
3049 3057
3050 config ARCH_MMAP_RND_BITS_MAX 3058 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3059 default 18 if 64BIT
3052 default 15 3060 default 15
3053 3061
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3062 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3063 default 8
3056 3064
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3065 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3066 default 15
3059 3067
3060 config I8253 3068 config I8253
3061 bool 3069 bool
3062 select CLKSRC_I8253 3070 select CLKSRC_I8253
3063 select CLKEVT_I8253 3071 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3072 select MIPS_EXTERNAL_TIMER
3065 endmenu 3073 endmenu
3066 3074
3067 config TRAD_SIGNALS 3075 config TRAD_SIGNALS
3068 bool 3076 bool
3069 3077
3070 config MIPS32_COMPAT 3078 config MIPS32_COMPAT
3071 bool 3079 bool
3072 3080
3073 config COMPAT 3081 config COMPAT
3074 bool 3082 bool
3075 3083
3076 config MIPS32_O32 3084 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3085 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3086 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3087 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3088 select COMPAT
3081 select MIPS32_COMPAT 3089 select MIPS32_COMPAT
3082 help 3090 help
3083 Select this option if you want to r 3091 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3092 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3093 existing binaries are in this format.
3086 3094
3087 If unsure, say Y. 3095 If unsure, say Y.
3088 3096
3089 config MIPS32_N32 3097 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3098 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3099 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3100 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3101 select COMPAT
3094 select MIPS32_COMPAT 3102 select MIPS32_COMPAT
3095 help 3103 help
3096 Select this option if you want to r 3104 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3105 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3106 data that would normally be 64-bit. They are used in special
3099 cases. 3107 cases.
3100 3108
3101 If unsure, say N. 3109 If unsure, say N.
3102 3110
3103 config CC_HAS_MNO_BRANCH_LIKELY 3111 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y 3112 def_bool y
3105 depends on $(cc-option,-mno-branch-li 3113 depends on $(cc-option,-mno-branch-likely)
3106 3114
3107 # https://github.com/llvm/llvm-project/issues 3115 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3116 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109 def_bool y if CC_IS_CLANG 3117 def_bool y if CC_IS_CLANG
3110 3118
3111 menu "Power management options" 3119 menu "Power management options"
3112 3120
3113 config ARCH_HIBERNATION_POSSIBLE 3121 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3122 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3123 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3124
3117 config ARCH_SUSPEND_POSSIBLE 3125 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3126 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3127 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3128
3121 source "kernel/power/Kconfig" 3129 source "kernel/power/Kconfig"
3122 3130
3123 endmenu 3131 endmenu
3124 3132
3125 config MIPS_EXTERNAL_TIMER 3133 config MIPS_EXTERNAL_TIMER
3126 bool 3134 bool
3127 3135
3128 menu "CPU Power Management" 3136 menu "CPU Power Management"
3129 3137
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3138 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3139 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3140 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133 3141
3134 source "drivers/cpuidle/Kconfig" 3142 source "drivers/cpuidle/Kconfig"
3135 3143
3136 endmenu 3144 endmenu
3137 3145
3138 source "arch/mips/kvm/Kconfig" 3146 source "arch/mips/kvm/Kconfig"
3139 3147
3140 source "arch/mips/vdso/Kconfig" 3148 source "arch/mips/vdso/Kconfig"
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