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 <<
473 select ARCH_SPARSEMEM_ENABLE 485 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 486 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 487 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 488 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 489 select BOOT_ELF32
478 select BOARD_SCACHE 490 select BOARD_SCACHE
479 select CSRC_R4K 491 select CSRC_R4K
480 select CEVT_R4K 492 select CEVT_R4K
481 select SYNC_R4K <<
482 select FORCE_PCI 493 select FORCE_PCI
483 select ISA 494 select ISA
484 select I8259 495 select I8259
485 select IRQ_MIPS_CPU 496 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 497 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 498 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 499 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 500 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 501 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 502 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 503 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 504 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 505 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 506 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 507 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 508 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 509 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 510 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 511 select ZONE_DMA32
501 select COMMON_CLK 512 select COMMON_CLK
502 select USE_OF 513 select USE_OF
503 select BUILTIN_DTB 514 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 515 select PCI_HOST_GENERIC
>> 516 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505 help 517 help
506 This enables the support of Loongson 518 This enables the support of Loongson-2/3 family of machines.
507 519
508 Loongson-2 and Loongson-3 are 64-bit 520 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 521 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 522 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 523 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 524
513 config MIPS_MALTA 525 config MIPS_MALTA
514 bool "MIPS Malta board" 526 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 527 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 528 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 529 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 530 select BOOT_ELF32
519 select BOOT_RAW 531 select BOOT_RAW
520 select BUILTIN_DTB 532 select BUILTIN_DTB
521 select CEVT_R4K 533 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 534 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 535 select COMMON_CLK
524 select CSRC_R4K 536 select CSRC_R4K
525 select DMA_NONCOHERENT 537 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 538 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 539 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 540 select HAVE_PCI
529 select I8253 541 select I8253
530 select I8259 542 select I8259
531 select IRQ_MIPS_CPU 543 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 544 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 545 select MIPS_CPU_SCACHE
534 select MIPS_GIC 546 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 547 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 548 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 549 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 550 select SMP_UP if SMP
539 select SWAP_IO_SPACE 551 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 552 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 553 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 554 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 555 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 556 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 557 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 558 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 559 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 560 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 561 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 562 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 563 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 564 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 565 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 566 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 567 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 568 select SYS_SUPPORTS_MIPS16
557 select SYS_SUPPORTS_MIPS_CPS 569 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 570 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 571 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 572 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 573 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 574 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 575 select USE_OF
564 select WAR_ICACHE_REFILLS 576 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 577 select ZONE_DMA32 if 64BIT
566 help 578 help
567 This enables support for the MIPS Te 579 This enables support for the MIPS Technologies Malta evaluation
568 board. 580 board.
569 581
570 config MACH_PIC32 582 config MACH_PIC32
571 bool "Microchip PIC32 Family" 583 bool "Microchip PIC32 Family"
572 help 584 help
573 This enables support for the Microch 585 This enables support for the Microchip PIC32 family of platforms.
574 586
575 Microchip PIC32 is a family of gener 587 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 588 microcontrollers.
577 589
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 590 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 591 bool "Nintendo 64 console"
624 select CEVT_R4K 592 select CEVT_R4K
625 select CSRC_R4K 593 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 594 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 595 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 596 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 597 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 598 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 599 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 600 select IRQ_MIPS_CPU
633 601
634 config RALINK 602 config RALINK
635 bool "Ralink based machines" 603 bool "Ralink based machines"
636 select CEVT_R4K 604 select CEVT_R4K
637 select COMMON_CLK 605 select COMMON_CLK
638 select CSRC_R4K 606 select CSRC_R4K
639 select BOOT_RAW 607 select BOOT_RAW
640 select DMA_NONCOHERENT 608 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 609 select IRQ_MIPS_CPU
642 select USE_OF 610 select USE_OF
643 select SYS_HAS_CPU_MIPS32_R2 611 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 612 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 613 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 614 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 615 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 616 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 617 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 618 select RESET_CONTROLLER
651 619
652 config MACH_REALTEK_RTL 620 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 621 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 622 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 623 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 624 select IRQ_MIPS_CPU
658 select CSRC_R4K 625 select CSRC_R4K
659 select CEVT_R4K 626 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 627 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 628 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 629 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 630 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 631 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 632 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 633 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 634 select BOOT_RAW
668 select PINCTRL 635 select PINCTRL
669 select USE_OF 636 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 637
672 config SGI_IP22 638 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 639 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 640 select ARC_MEMORY
675 select ARC_PROMLIB 641 select ARC_PROMLIB
676 select FW_ARC 642 select FW_ARC
677 select FW_ARC32 643 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 644 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 645 select BOOT_ELF32
680 select CEVT_R4K 646 select CEVT_R4K
681 select CSRC_R4K 647 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 648 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 649 select DMA_NONCOHERENT
684 select HAVE_EISA 650 select HAVE_EISA
685 select I8253 651 select I8253
686 select I8259 652 select I8259
687 select IP22_CPU_SCACHE 653 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 654 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 655 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 656 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 657 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 658 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 659 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 660 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 661 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 662 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 663 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 664 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 665 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 666 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 667 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 668 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 669 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 670 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 671 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 672 select MIPS_L1_CACHE_SHIFT_7
707 help 673 help
708 This are the SGI Indy, Challenge S a 674 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 675 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 676 that runs on these, say Y here.
711 677
712 config SGI_IP27 678 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 679 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 680 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 681 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 682 select FW_ARC
717 select FW_ARC64 683 select FW_ARC64
718 select ARC_CMDLINE_ONLY 684 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 685 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 686 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 687 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 688 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 689 select HAVE_PCI
724 select IRQ_MIPS_CPU 690 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 691 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 692 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 693 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 694 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 695 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 696 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 697 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 698 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 699 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 700 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 701 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 702 select NUMA
>> 703 select HAVE_ARCH_NODEDATA_EXTENSION
737 help 704 help
738 This are the SGI Origin 200, Origin 705 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 706 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 707 here.
741 708
742 config SGI_IP28 709 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 710 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 711 select ARC_MEMORY
745 select ARC_PROMLIB 712 select ARC_PROMLIB
746 select FW_ARC 713 select FW_ARC
747 select FW_ARC64 714 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 715 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 716 select BOOT_ELF64
750 select CEVT_R4K 717 select CEVT_R4K
751 select CSRC_R4K 718 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 719 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 720 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 721 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 722 select IRQ_MIPS_CPU
756 select HAVE_EISA 723 select HAVE_EISA
757 select I8253 724 select I8253
758 select I8259 725 select I8259
759 select SGI_HAS_I8042 726 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 727 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 728 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 729 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 730 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 731 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 732 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 733 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 734 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 735 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 736 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 737 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 738 select MIPS_L1_CACHE_SHIFT_7
772 help 739 help
773 This is the SGI Indigo2 with R10000 740 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 741 kernel that runs on these, say Y here.
775 742
776 config SGI_IP30 743 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 744 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 745 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 746 select FW_ARC
780 select FW_ARC64 747 select FW_ARC64
781 select BOOT_ELF64 748 select BOOT_ELF64
782 select CEVT_R4K 749 select CEVT_R4K
783 select CSRC_R4K 750 select CSRC_R4K
784 select FORCE_PCI 751 select FORCE_PCI
785 select SYNC_R4K if SMP 752 select SYNC_R4K if SMP
786 select ZONE_DMA32 753 select ZONE_DMA32
787 select HAVE_PCI 754 select HAVE_PCI
788 select IRQ_MIPS_CPU 755 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 756 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 757 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 758 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 759 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 760 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 761 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 762 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 763 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 764 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 765 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 766 select ARC_MEMORY
800 help 767 help
801 These are the SGI Octane and Octane2 768 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 769 compile a Linux kernel that runs on these, say Y here.
803 770
804 config SGI_IP32 771 config SGI_IP32
805 bool "SGI IP32 (O2)" 772 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 773 select ARC_MEMORY
807 select ARC_PROMLIB 774 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 775 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 776 select FW_ARC
810 select FW_ARC32 777 select FW_ARC32
811 select BOOT_ELF32 778 select BOOT_ELF32
812 select CEVT_R4K 779 select CEVT_R4K
813 select CSRC_R4K 780 select CSRC_R4K
814 select DMA_NONCOHERENT 781 select DMA_NONCOHERENT
815 select HAVE_PCI 782 select HAVE_PCI
816 select IRQ_MIPS_CPU 783 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 784 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 785 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 786 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 787 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 788 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 789 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 790 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 791 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 792 select WAR_ICACHE_REFILLS
826 help 793 help
827 If you want this kernel to run on SG 794 If you want this kernel to run on SGI O2 workstation, say Y here.
828 795
829 config SIBYTE_CRHONE 796 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 797 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 798 select BOOT_ELF32
832 select SIBYTE_BCM1125 799 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 800 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 801 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 802 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 803 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 804 select SYS_SUPPORTS_LITTLE_ENDIAN
838 805
839 config SIBYTE_RHONE 806 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 807 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 808 select BOOT_ELF32
842 select SIBYTE_SB1250 809 select SIBYTE_SB1250
843 select SWAP_IO_SPACE 810 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 811 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 812 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 813 select SYS_SUPPORTS_LITTLE_ENDIAN
847 814
848 config SIBYTE_SWARM 815 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 816 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 817 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 818 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 819 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 820 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 821 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 822 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 823 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 824 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 825 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 826 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 827
861 config SIBYTE_LITTLESUR 828 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 829 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 830 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 831 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 832 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 833 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 834 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 835 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 836 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 837 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 838 select ZONE_DMA32 if 64BIT
872 839
873 config SIBYTE_SENTOSA 840 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 841 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 842 select BOOT_ELF32
876 select SIBYTE_SB1250 843 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 844 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 845 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 846 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 847 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 848 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 849
883 config SIBYTE_BIGSUR 850 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 851 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 852 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 853 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 854 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 855 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 856 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 857 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 858 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 859 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 860 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 861 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 862
896 config SNI_RM 863 config SNI_RM
897 bool "SNI RM200/300/400" 864 bool "SNI RM200/300/400"
898 select ARC_MEMORY 865 select ARC_MEMORY
899 select ARC_PROMLIB 866 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 867 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 868 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 869 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 870 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 871 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 872 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 873 select BOOT_ELF32
907 select CEVT_R4K 874 select CEVT_R4K
908 select CSRC_R4K 875 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 876 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 877 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 878 select GENERIC_ISA_DMA
912 select HAVE_EISA 879 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 880 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 881 select HAVE_PCI
915 select IRQ_MIPS_CPU 882 select IRQ_MIPS_CPU
916 select I8253 883 select I8253
917 select I8259 884 select I8259
918 select ISA 885 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 886 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 887 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 888 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 889 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 890 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 891 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 892 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 893 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 894 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 895 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 896 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 897 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 898 select WAR_R4600_V2_HIT_CACHEOP
932 help 899 help
933 The SNI RM200/300/400 are MIPS-based 900 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 901 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 902 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 903 support this machine type.
937 904
938 config MACH_TX49XX 905 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 906 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 907 select WAR_TX49XX_ICACHE_INDEX_INV
941 908
942 config MIKROTIK_RB532 909 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 910 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 911 select CEVT_R4K
945 select CSRC_R4K 912 select CSRC_R4K
946 select DMA_NONCOHERENT 913 select DMA_NONCOHERENT
947 select HAVE_PCI 914 select HAVE_PCI
948 select IRQ_MIPS_CPU 915 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 916 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 917 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 918 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 919 select SWAP_IO_SPACE
953 select BOOT_RAW 920 select BOOT_RAW
954 select GPIOLIB 921 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 922 select MIPS_L1_CACHE_SHIFT_4
956 help 923 help
957 Support the Mikrotik(tm) RouterBoard 924 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 925 based on the IDT RC32434 SoC.
959 926
960 config CAVIUM_OCTEON_SOC 927 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 928 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 929 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 930 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 931 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 932 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 933 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 934 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 935 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 936 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 937 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 938 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 939 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 940 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 941 select HAVE_PCI
975 select HAVE_PLAT_DELAY 942 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 943 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 944 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 945 select ZONE_DMA32
979 select GPIOLIB 946 select GPIOLIB
980 select USE_OF 947 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 948 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 949 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 950 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 951 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 952 select BUILTIN_DTB
986 select MTD 953 select MTD
987 select MTD_COMPLEX_MAPPINGS 954 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 955 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 956 select SYS_SUPPORTS_RELOCATABLE
990 help 957 help
991 This option supports all of the Octe 958 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 959 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 960 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 961 Some of the supported boards are:
995 EBT3000 962 EBT3000
996 EBH3000 963 EBH3000
997 EBH3100 964 EBH3100
998 Thunder 965 Thunder
999 Kodama 966 Kodama
1000 Hikari 967 Hikari
1001 Say Y here for most Octeon referenc 968 Say Y here for most Octeon reference boards.
1002 969
1003 endchoice 970 endchoice
1004 971
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" 972 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 973 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 974 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 975 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 976 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 977 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 978 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 979 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 980 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 981 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 982 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 983 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 984 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 985 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 986 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 987 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 988 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 989 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 990 source "arch/mips/loongson64/Kconfig"
1034 991
1035 endmenu 992 endmenu
1036 993
1037 config GENERIC_HWEIGHT 994 config GENERIC_HWEIGHT
1038 bool 995 bool
1039 default y 996 default y
1040 997
1041 config GENERIC_CALIBRATE_DELAY 998 config GENERIC_CALIBRATE_DELAY
1042 bool 999 bool
1043 default y 1000 default y
1044 1001
1045 config SCHED_OMIT_FRAME_POINTER 1002 config SCHED_OMIT_FRAME_POINTER
1046 bool 1003 bool
1047 default y 1004 default y
1048 1005
1049 # 1006 #
1050 # Select some configuration options automatic 1007 # Select some configuration options automatically based on user selections.
1051 # 1008 #
1052 config FW_ARC 1009 config FW_ARC
1053 bool 1010 bool
1054 1011
1055 config ARCH_MAY_HAVE_PC_FDC 1012 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1013 bool
1057 1014
1058 config BOOT_RAW 1015 config BOOT_RAW
1059 bool 1016 bool
1060 1017
1061 config CEVT_BCM1480 1018 config CEVT_BCM1480
1062 bool 1019 bool
1063 1020
1064 config CEVT_DS1287 1021 config CEVT_DS1287
1065 bool 1022 bool
1066 1023
1067 config CEVT_GT641XX 1024 config CEVT_GT641XX
1068 bool 1025 bool
1069 1026
1070 config CEVT_R4K 1027 config CEVT_R4K
1071 bool 1028 bool
1072 1029
1073 config CEVT_SB1250 1030 config CEVT_SB1250
1074 bool 1031 bool
1075 1032
1076 config CEVT_TXX9 1033 config CEVT_TXX9
1077 bool 1034 bool
1078 1035
1079 config CSRC_BCM1480 1036 config CSRC_BCM1480
1080 bool 1037 bool
1081 1038
1082 config CSRC_IOASIC 1039 config CSRC_IOASIC
1083 bool 1040 bool
1084 1041
1085 config CSRC_R4K 1042 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1043 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1044 bool
1089 1045
1090 config CSRC_SB1250 1046 config CSRC_SB1250
1091 bool 1047 bool
1092 1048
1093 config MIPS_CLOCK_VSYSCALL 1049 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1050 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1051
1096 config GPIO_TXX9 1052 config GPIO_TXX9
1097 select GPIOLIB 1053 select GPIOLIB
1098 bool 1054 bool
1099 1055
1100 config FW_CFE 1056 config FW_CFE
1101 bool 1057 bool
1102 1058
1103 config ARCH_SUPPORTS_UPROBES 1059 config ARCH_SUPPORTS_UPROBES
1104 def_bool y 1060 def_bool y
1105 1061
1106 config DMA_NONCOHERENT 1062 config DMA_NONCOHERENT
1107 bool 1063 bool
1108 # 1064 #
1109 # MIPS allows mixing "slightly differ 1065 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1066 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1067 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1068 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1069 # significant advantages.
1114 # 1070 #
1115 select ARCH_HAS_SETUP_DMA_OPS 1071 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1072 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1073 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU 1074 select ARCH_HAS_SYNC_DMA_FOR_CPU
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1075 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1076 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1077 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1078 select NEED_DMA_MAP_STATE
1123 1079
1124 config SYS_HAS_EARLY_PRINTK 1080 config SYS_HAS_EARLY_PRINTK
1125 bool 1081 bool
1126 1082
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1083 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1084 bool
1129 1085
1130 config MIPS_BONITO64 1086 config MIPS_BONITO64
1131 bool 1087 bool
1132 1088
1133 config MIPS_MSC 1089 config MIPS_MSC
1134 bool 1090 bool
1135 1091
1136 config SYNC_R4K 1092 config SYNC_R4K
1137 bool 1093 bool
1138 1094
1139 config NO_IOPORT_MAP 1095 config NO_IOPORT_MAP
1140 def_bool n 1096 def_bool n
1141 1097
1142 config GENERIC_CSUM 1098 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1099 def_bool CPU_NO_LOAD_STORE_LR
1144 1100
1145 config GENERIC_ISA_DMA 1101 config GENERIC_ISA_DMA
1146 bool 1102 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1103 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1104 select ISA_DMA_API
1149 1105
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1106 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1107 bool
1152 select GENERIC_ISA_DMA 1108 select GENERIC_ISA_DMA
1153 1109
1154 config HAVE_PLAT_DELAY 1110 config HAVE_PLAT_DELAY
1155 bool 1111 bool
1156 1112
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1113 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1114 bool
1159 1115
1160 config HAVE_PLAT_MEMCPY 1116 config HAVE_PLAT_MEMCPY
1161 bool 1117 bool
1162 1118
1163 config ISA_DMA_API 1119 config ISA_DMA_API
1164 bool 1120 bool
1165 1121
1166 config SYS_SUPPORTS_RELOCATABLE 1122 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1123 bool
1168 help 1124 help
1169 Selected if the platform supports r 1125 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1126 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1127 to allow access to command line and entropy sources.
1172 1128
1173 # 1129 #
1174 # Endianness selection. Sufficiently obscure 1130 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1131 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1132 # choice statement should be more obvious to the user.
1177 # 1133 #
1178 choice 1134 choice
1179 prompt "Endianness selection" 1135 prompt "Endianness selection"
1180 help 1136 help
1181 Some MIPS machines can be configure 1137 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1138 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1139 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1140 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1141 one or the other endianness.
1186 1142
1187 config CPU_BIG_ENDIAN 1143 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1144 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1145 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1146
1191 config CPU_LITTLE_ENDIAN 1147 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1148 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1149 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1150
1195 endchoice 1151 endchoice
1196 1152
1197 config EXPORT_UASM 1153 config EXPORT_UASM
1198 bool 1154 bool
1199 1155
1200 config SYS_SUPPORTS_APM_EMULATION 1156 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1157 bool
1202 1158
1203 config SYS_SUPPORTS_BIG_ENDIAN 1159 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1160 bool
1205 1161
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1162 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1163 bool
1208 1164
1209 config MIPS_HUGE_TLB_SUPPORT 1165 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1166 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1167
1212 config IRQ_TXX9 1168 config IRQ_TXX9
1213 bool 1169 bool
1214 1170
1215 config IRQ_GT641XX 1171 config IRQ_GT641XX
1216 bool 1172 bool
1217 1173
1218 config PCI_GT64XXX_PCI0 1174 config PCI_GT64XXX_PCI0
1219 bool 1175 bool
1220 1176
1221 config PCI_XTALK_BRIDGE 1177 config PCI_XTALK_BRIDGE
1222 bool 1178 bool
1223 1179
1224 config NO_EXCEPT_FILL 1180 config NO_EXCEPT_FILL
1225 bool 1181 bool
1226 1182
1227 config MIPS_SPRAM 1183 config MIPS_SPRAM
1228 bool 1184 bool
1229 1185
1230 config SWAP_IO_SPACE 1186 config SWAP_IO_SPACE
1231 bool 1187 bool
1232 1188
1233 config SGI_HAS_INDYDOG 1189 config SGI_HAS_INDYDOG
1234 bool 1190 bool
1235 1191
1236 config SGI_HAS_HAL2 1192 config SGI_HAS_HAL2
1237 bool 1193 bool
1238 1194
1239 config SGI_HAS_SEEQ 1195 config SGI_HAS_SEEQ
1240 bool 1196 bool
1241 1197
1242 config SGI_HAS_WD93 1198 config SGI_HAS_WD93
1243 bool 1199 bool
1244 1200
1245 config SGI_HAS_ZILOG 1201 config SGI_HAS_ZILOG
1246 bool 1202 bool
1247 1203
1248 config SGI_HAS_I8042 1204 config SGI_HAS_I8042
1249 bool 1205 bool
1250 1206
1251 config DEFAULT_SGI_PARTITION 1207 config DEFAULT_SGI_PARTITION
1252 bool 1208 bool
1253 1209
1254 config FW_ARC32 1210 config FW_ARC32
1255 bool 1211 bool
1256 1212
1257 config FW_SNIPROM 1213 config FW_SNIPROM
1258 bool 1214 bool
1259 1215
1260 config BOOT_ELF32 1216 config BOOT_ELF32
1261 bool 1217 bool
1262 1218
1263 config MIPS_L1_CACHE_SHIFT_4 1219 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1220 bool
1265 1221
1266 config MIPS_L1_CACHE_SHIFT_5 1222 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1223 bool
1268 1224
1269 config MIPS_L1_CACHE_SHIFT_6 1225 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1226 bool
1271 1227
1272 config MIPS_L1_CACHE_SHIFT_7 1228 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1229 bool
1274 1230
1275 config MIPS_L1_CACHE_SHIFT 1231 config MIPS_L1_CACHE_SHIFT
1276 int 1232 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1233 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1234 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1235 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1236 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1237 default "5"
1282 1238
1283 config ARC_CMDLINE_ONLY 1239 config ARC_CMDLINE_ONLY
1284 bool 1240 bool
1285 1241
1286 config ARC_CONSOLE 1242 config ARC_CONSOLE
1287 bool "ARC console support" 1243 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1244 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1245
1290 config ARC_MEMORY 1246 config ARC_MEMORY
1291 bool 1247 bool
1292 1248
1293 config ARC_PROMLIB 1249 config ARC_PROMLIB
1294 bool 1250 bool
1295 1251
1296 config FW_ARC64 1252 config FW_ARC64
1297 bool 1253 bool
1298 1254
1299 config BOOT_ELF64 1255 config BOOT_ELF64
1300 bool 1256 bool
1301 1257
1302 menu "CPU selection" 1258 menu "CPU selection"
1303 1259
1304 choice 1260 choice
1305 prompt "CPU type" 1261 prompt "CPU type"
1306 default CPU_R4X00 1262 default CPU_R4X00
1307 1263
1308 config CPU_LOONGSON64 1264 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1265 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1266 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1267 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1268 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1269 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1270 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1271 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1272 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1273 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1274 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1275 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1276 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1277 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1278 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1279 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1280 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1281 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1282 select GPIOLIB
1329 select SWIOTLB 1283 select SWIOTLB
>> 1284 select HAVE_KVM
1330 help 1285 help
1331 The Loongson GSx64(GS264/GS464/GS46 1286 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr 1287 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 1288 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and 1289 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here 1290 Loongson-2E/2F is not covered here and will be removed in future.
1336 1291
>> 1292 config LOONGSON3_ENHANCEMENT
>> 1293 bool "New Loongson-3 CPU Enhancements"
>> 1294 default n
>> 1295 depends on CPU_LOONGSON64
>> 1296 help
>> 1297 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1298 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1299 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1300 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1301 Fast TLB refill support, etc.
>> 1302
>> 1303 This option enable those enhancements which are not probed at run
>> 1304 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1305 please say 'N' here. If you want a high-performance kernel to run on
>> 1306 new Loongson-3 machines only, please say 'Y' here.
>> 1307
>> 1308 config CPU_LOONGSON3_WORKAROUNDS
>> 1309 bool "Loongson-3 LLSC Workarounds"
>> 1310 default y if SMP
>> 1311 depends on CPU_LOONGSON64
>> 1312 help
>> 1313 Loongson-3 processors have the llsc issues which require workarounds.
>> 1314 Without workarounds the system may hang unexpectedly.
>> 1315
>> 1316 Say Y, unless you know what you are doing.
>> 1317
>> 1318 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1319 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1320 default y
>> 1321 depends on CPU_LOONGSON64
>> 1322 help
>> 1323 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1324 userland to query CPU capabilities, much like CPUID on x86. This
>> 1325 option provides emulation of the instruction on older Loongson
>> 1326 cores, back to Loongson-3A1000.
>> 1327
>> 1328 If unsure, please say Y.
>> 1329
1337 config CPU_LOONGSON2E 1330 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1331 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1332 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1333 select CPU_LOONGSON2EF
1341 help 1334 help
1342 The Loongson 2E processor implement 1335 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1336 with many extensions.
1344 1337
1345 It has an internal FPGA northbridge 1338 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1339 bonito64.
1347 1340
1348 config CPU_LOONGSON2F 1341 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1342 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1343 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1344 select CPU_LOONGSON2EF
1352 help 1345 help
1353 The Loongson 2F processor implement 1346 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1347 with many extensions.
1355 1348
1356 Loongson2F have built-in DDR2 and P 1349 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1350 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1351 Loongson2E.
1359 1352
1360 config CPU_LOONGSON1B 1353 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1354 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1355 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1356 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1357 select LEDS_GPIO_REGISTER
1365 help 1358 help
1366 The Loongson 1B is a 32-bit SoC, wh 1359 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1360 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1361 instruction set.
1369 1362
1370 config CPU_LOONGSON1C 1363 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1364 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1365 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1366 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1367 select LEDS_GPIO_REGISTER
1375 help 1368 help
1376 The Loongson 1C is a 32-bit SoC, wh 1369 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1370 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1371 instruction set.
1379 1372
1380 config CPU_MIPS32_R1 1373 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1374 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1375 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1376 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1377 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1378 select CPU_SUPPORTS_HIGHMEM
1386 help 1379 help
1387 Choose this option to build a kerne 1380 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1381 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1382 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1383 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1384 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1385 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1386 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1387 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1388 performance.
1396 1389
1397 config CPU_MIPS32_R2 1390 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1391 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1392 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1393 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1394 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1395 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1396 select CPU_SUPPORTS_MSA
>> 1397 select HAVE_KVM
1404 help 1398 help
1405 Choose this option to build a kerne 1399 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1400 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1401 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1402 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1403 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1404
1411 config CPU_MIPS32_R5 1405 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1406 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1407 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1408 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1409 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1410 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1411 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1412 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1413 select MIPS_O32_FP64_SUPPORT
1420 help 1414 help
1421 Choose this option to build a kerne 1415 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1416 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1417 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1418 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1419
1426 config CPU_MIPS32_R6 1420 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1421 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1422 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1423 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1424 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1425 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1426 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1427 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1428 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1429 select MIPS_O32_FP64_SUPPORT
1436 help 1430 help
1437 Choose this option to build a kerne 1431 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1432 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1433 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1434 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1435
1442 config CPU_MIPS64_R1 1436 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1437 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1438 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1439 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1440 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1441 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1442 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1443 select CPU_SUPPORTS_HUGEPAGES
1450 help 1444 help
1451 Choose this option to build a kerne 1445 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1446 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1447 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1448 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1449 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1450 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1451 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1452 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1453 performance.
1460 1454
1461 config CPU_MIPS64_R2 1455 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1456 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1457 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1458 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1459 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1460 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1461 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1462 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1463 select CPU_SUPPORTS_MSA
>> 1464 select HAVE_KVM
1470 help 1465 help
1471 Choose this option to build a kerne 1466 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1467 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1468 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1469 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1470 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1471
1477 config CPU_MIPS64_R5 1472 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1473 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1474 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1475 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1476 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1477 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1478 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1479 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1480 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1481 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1482 select HAVE_KVM
1488 help 1483 help
1489 Choose this option to build a kerne 1484 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1485 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1486 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1487 any hardware known to be based on this release.
1493 1488
1494 config CPU_MIPS64_R6 1489 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1490 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1491 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1492 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1493 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1494 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1495 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1496 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1497 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1498 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1499 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1500 select HAVE_KVM
1506 help 1501 help
1507 Choose this option to build a kerne 1502 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1503 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1504 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1505 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1506
1512 config CPU_P5600 1507 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1508 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1509 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1510 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1511 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1512 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1513 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1514 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1515 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1516 select CPU_MIPSR2_IRQ_EI
>> 1517 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1518 select MIPS_O32_FP64_SUPPORT
1524 help 1519 help
1525 Choose this option to build a kerne 1520 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1521 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1522 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1523 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1524 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1525 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1526 eJTAG and PDtrace.
1532 1527
1533 config CPU_R3000 1528 config CPU_R3000
1534 bool "R3000" 1529 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1530 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1531 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1532 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1533 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1534 select CPU_SUPPORTS_HIGHMEM
1540 help 1535 help
1541 Please make sure to pick the right 1536 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1537 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1538 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1539 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1540 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1541 try to recompile with R3000.
1547 1542
1548 config CPU_R4300 1543 config CPU_R4300
1549 bool "R4300" 1544 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1545 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1546 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1547 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1548 help
1554 MIPS Technologies R4300-series proc 1549 MIPS Technologies R4300-series processors.
1555 1550
1556 config CPU_R4X00 1551 config CPU_R4X00
1557 bool "R4x00" 1552 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1553 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1554 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1555 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1556 select CPU_SUPPORTS_HUGEPAGES
1562 help 1557 help
1563 MIPS Technologies R4000-series proc 1558 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1559 the R4000, R4400, R4600, and 4700.
1565 1560
1566 config CPU_TX49XX 1561 config CPU_TX49XX
1567 bool "R49XX" 1562 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1563 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1564 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1565 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1566 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1567 select CPU_SUPPORTS_HUGEPAGES
1573 1568
1574 config CPU_R5000 1569 config CPU_R5000
1575 bool "R5000" 1570 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1571 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1572 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1573 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1574 select CPU_SUPPORTS_HUGEPAGES
1580 help 1575 help
1581 MIPS Technologies R5000-series proc 1576 MIPS Technologies R5000-series processors other than the Nevada.
1582 1577
1583 config CPU_R5500 1578 config CPU_R5500
1584 bool "R5500" 1579 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1580 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1581 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1582 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1583 select CPU_SUPPORTS_HUGEPAGES
1589 help 1584 help
1590 NEC VR5500 and VR5500A series proce 1585 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1586 instruction set.
1592 1587
1593 config CPU_NEVADA 1588 config CPU_NEVADA
1594 bool "RM52xx" 1589 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1590 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1591 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1592 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1593 select CPU_SUPPORTS_HUGEPAGES
1599 help 1594 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1595 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1596
1602 config CPU_R10000 1597 config CPU_R10000
1603 bool "R10000" 1598 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1599 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1600 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1601 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1602 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1603 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1604 select CPU_SUPPORTS_HUGEPAGES
1610 help 1605 help
1611 MIPS Technologies R10000-series pro 1606 MIPS Technologies R10000-series processors.
1612 1607
1613 config CPU_RM7000 1608 config CPU_RM7000
1614 bool "RM7000" 1609 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1610 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1611 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1612 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1613 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1614 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1615 select CPU_SUPPORTS_HUGEPAGES
1621 1616
1622 config CPU_SB1 1617 config CPU_SB1
1623 bool "SB1" 1618 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1619 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1620 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1621 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1622 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1623 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1624 select WEAK_ORDERING
1630 1625
1631 config CPU_CAVIUM_OCTEON 1626 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1627 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1628 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1629 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1630 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 1631 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1632 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1633 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1634 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1635 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1636 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1637 select HAVE_KVM
1645 help 1638 help
1646 The Cavium Octeon processor is a hi 1639 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1640 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1641 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1642 Full details can be found at http://www.caviumnetworks.com.
1650 1643
1651 config CPU_BMIPS 1644 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1645 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1646 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1647 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1648 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1649 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1650 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1651 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1652 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1653 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1654 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1655 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1656 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1657 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1658 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1659 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1660 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1661 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1662 help
1670 Support for BMIPS32/3300/4350/4380 1663 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1664
1672 endchoice 1665 endchoice
1673 1666
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 1667 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1668 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1669 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1670 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1671 CPU_P5600
1717 help 1672 help
1718 Choose this option to build a kerne 1673 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1674 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1675 support for Enhanced Virtual Addressing (EVA).
1721 1676
1722 config CPU_MIPS32_3_5_EVA 1677 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1678 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1679 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1680 select EVA
1726 default y 1681 default y
1727 help 1682 help
1728 Choose this option if you want to e 1683 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1684 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1685 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1686 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1687
1733 config CPU_MIPS32_R5_FEATURES 1688 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1689 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1690 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1691 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1692 help
1738 Choose this option to build a kerne 1693 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1694 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1695 support for Extended Physical Addressing (XPA).
1741 1696
1742 config CPU_MIPS32_R5_XPA 1697 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1698 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1699 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1700 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1701 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1702 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1703 select XPA
1749 select HIGHMEM 1704 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1705 select PHYS_ADDR_T_64BIT
1751 default n 1706 default n
1752 help 1707 help
1753 Choose this option if you want to e 1708 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1709 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1710 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1711 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1712 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1713 If unsure, say 'N' here.
1759 1714
1760 if CPU_LOONGSON2F 1715 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1716 config CPU_NOP_WORKAROUNDS
1762 bool 1717 bool
1763 1718
1764 config CPU_JUMP_WORKAROUNDS 1719 config CPU_JUMP_WORKAROUNDS
1765 bool 1720 bool
1766 1721
1767 config CPU_LOONGSON2F_WORKAROUNDS 1722 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1723 bool "Loongson 2F Workarounds"
1769 default y 1724 default y
1770 select CPU_NOP_WORKAROUNDS 1725 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1726 select CPU_JUMP_WORKAROUNDS
1772 help 1727 help
1773 Loongson 2F01 / 2F02 processors hav 1728 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1729 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1730 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1731 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1732
1778 Loongson 2F03 and later have fixed 1733 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1734 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1735 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1736 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1737 systems.
1783 1738
1784 If unsure, please say Y. 1739 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1740 endif # CPU_LOONGSON2F
1786 1741
1787 config SYS_SUPPORTS_ZBOOT 1742 config SYS_SUPPORTS_ZBOOT
1788 bool 1743 bool
1789 select HAVE_KERNEL_GZIP 1744 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1745 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1746 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1747 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1748 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1749 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1750 select HAVE_KERNEL_ZSTD
1796 1751
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1752 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1753 bool
1799 select SYS_SUPPORTS_ZBOOT 1754 select SYS_SUPPORTS_ZBOOT
1800 1755
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1756 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1757 bool
1803 select SYS_SUPPORTS_ZBOOT 1758 select SYS_SUPPORTS_ZBOOT
1804 1759
1805 config CPU_LOONGSON2EF 1760 config CPU_LOONGSON2EF
1806 bool 1761 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1762 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1763 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1764 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1765 select CPU_SUPPORTS_HUGEPAGES
1811 1766
1812 config CPU_LOONGSON32 1767 config CPU_LOONGSON32
1813 bool 1768 bool
1814 select CPU_MIPS32 1769 select CPU_MIPS32
1815 select CPU_MIPSR2 1770 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1771 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1772 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1773 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1774 select CPU_SUPPORTS_CPUFREQ
1820 1775
1821 config CPU_BMIPS32_3300 1776 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1777 select SMP_UP if SMP
1823 bool 1778 bool
1824 1779
1825 config CPU_BMIPS4350 1780 config CPU_BMIPS4350
1826 bool 1781 bool
1827 select SYS_SUPPORTS_SMP 1782 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1783 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1784
1830 config CPU_BMIPS4380 1785 config CPU_BMIPS4380
1831 bool 1786 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1787 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1788 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1789 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1790 select CPU_HAS_RIXI
1836 1791
1837 config CPU_BMIPS5000 1792 config CPU_BMIPS5000
1838 bool 1793 bool
1839 select MIPS_CPU_SCACHE 1794 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1795 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1796 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1797 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1798 select CPU_HAS_RIXI
1844 1799
1845 config SYS_HAS_CPU_LOONGSON64 1800 config SYS_HAS_CPU_LOONGSON64
1846 bool 1801 bool
1847 select CPU_SUPPORTS_CPUFREQ 1802 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1803 select CPU_HAS_RIXI
1849 1804
1850 config SYS_HAS_CPU_LOONGSON2E 1805 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1806 bool
1852 1807
1853 config SYS_HAS_CPU_LOONGSON2F 1808 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1809 bool
1855 select CPU_SUPPORTS_CPUFREQ 1810 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1811 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1812
1858 config SYS_HAS_CPU_LOONGSON1B 1813 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1814 bool
1860 1815
1861 config SYS_HAS_CPU_LOONGSON1C 1816 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1817 bool
1863 1818
1864 config SYS_HAS_CPU_MIPS32_R1 1819 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1820 bool
1866 1821
1867 config SYS_HAS_CPU_MIPS32_R2 1822 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1823 bool
1869 1824
1870 config SYS_HAS_CPU_MIPS32_R3_5 1825 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1826 bool
1872 1827
1873 config SYS_HAS_CPU_MIPS32_R5 1828 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1829 bool
1875 1830
1876 config SYS_HAS_CPU_MIPS32_R6 1831 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1832 bool
1878 1833
1879 config SYS_HAS_CPU_MIPS64_R1 1834 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1835 bool
1881 1836
1882 config SYS_HAS_CPU_MIPS64_R2 1837 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1838 bool
1884 1839
1885 config SYS_HAS_CPU_MIPS64_R5 1840 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1841 bool
1887 1842
1888 config SYS_HAS_CPU_MIPS64_R6 1843 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1844 bool
1890 1845
1891 config SYS_HAS_CPU_P5600 1846 config SYS_HAS_CPU_P5600
1892 bool 1847 bool
1893 1848
1894 config SYS_HAS_CPU_R3000 1849 config SYS_HAS_CPU_R3000
1895 bool 1850 bool
1896 1851
1897 config SYS_HAS_CPU_R4300 1852 config SYS_HAS_CPU_R4300
1898 bool 1853 bool
1899 1854
1900 config SYS_HAS_CPU_R4X00 1855 config SYS_HAS_CPU_R4X00
1901 bool 1856 bool
1902 1857
1903 config SYS_HAS_CPU_TX49XX 1858 config SYS_HAS_CPU_TX49XX
1904 bool 1859 bool
1905 1860
1906 config SYS_HAS_CPU_R5000 1861 config SYS_HAS_CPU_R5000
1907 bool 1862 bool
1908 1863
1909 config SYS_HAS_CPU_R5500 1864 config SYS_HAS_CPU_R5500
1910 bool 1865 bool
1911 1866
1912 config SYS_HAS_CPU_NEVADA 1867 config SYS_HAS_CPU_NEVADA
1913 bool 1868 bool
1914 1869
1915 config SYS_HAS_CPU_R10000 1870 config SYS_HAS_CPU_R10000
1916 bool 1871 bool
1917 1872
1918 config SYS_HAS_CPU_RM7000 1873 config SYS_HAS_CPU_RM7000
1919 bool 1874 bool
1920 1875
1921 config SYS_HAS_CPU_SB1 1876 config SYS_HAS_CPU_SB1
1922 bool 1877 bool
1923 1878
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1879 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1880 bool
1926 1881
1927 config SYS_HAS_CPU_BMIPS 1882 config SYS_HAS_CPU_BMIPS
1928 bool 1883 bool
1929 1884
1930 config SYS_HAS_CPU_BMIPS32_3300 1885 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1886 bool
1932 select SYS_HAS_CPU_BMIPS 1887 select SYS_HAS_CPU_BMIPS
1933 1888
1934 config SYS_HAS_CPU_BMIPS4350 1889 config SYS_HAS_CPU_BMIPS4350
1935 bool 1890 bool
1936 select SYS_HAS_CPU_BMIPS 1891 select SYS_HAS_CPU_BMIPS
1937 1892
1938 config SYS_HAS_CPU_BMIPS4380 1893 config SYS_HAS_CPU_BMIPS4380
1939 bool 1894 bool
1940 select SYS_HAS_CPU_BMIPS 1895 select SYS_HAS_CPU_BMIPS
1941 1896
1942 config SYS_HAS_CPU_BMIPS5000 1897 config SYS_HAS_CPU_BMIPS5000
1943 bool 1898 bool
1944 select SYS_HAS_CPU_BMIPS 1899 select SYS_HAS_CPU_BMIPS
1945 1900
1946 # 1901 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1902 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1903 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1904 #
1950 config WEAK_ORDERING 1905 config WEAK_ORDERING
1951 bool 1906 bool
1952 1907
1953 # 1908 #
1954 # CPU may reorder reads and writes beyond LL/ 1909 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1910 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1911 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1912 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1913 bool
1959 endmenu 1914 endmenu
1960 1915
1961 # 1916 #
1962 # These two indicate any level of the MIPS32 1917 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1918 #
1964 config CPU_MIPS32 1919 config CPU_MIPS32
1965 bool 1920 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1921 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1922 CPU_MIPS32_R6 || CPU_P5600
1968 1923
1969 config CPU_MIPS64 1924 config CPU_MIPS64
1970 bool 1925 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 1926 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 1927 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 1928
1974 # 1929 #
1975 # These indicate the revision of the architec 1930 # These indicate the revision of the architecture
1976 # 1931 #
1977 config CPU_MIPSR1 1932 config CPU_MIPSR1
1978 bool 1933 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1934 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1935
1981 config CPU_MIPSR2 1936 config CPU_MIPSR2
1982 bool 1937 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1938 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 1939 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1940 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 1941 select MIPS_SPRAM
1987 1942
1988 config CPU_MIPSR5 1943 config CPU_MIPSR5
1989 bool 1944 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 1945 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 1946 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1947 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 1948 select MIPS_SPRAM
1994 1949
1995 config CPU_MIPSR6 1950 config CPU_MIPSR6
1996 bool 1951 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 1952 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 1953 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1954 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 1955 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 1956 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 1957 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 1958 select MIPS_SPRAM
2004 1959
2005 config TARGET_ISA_REV 1960 config TARGET_ISA_REV
2006 int 1961 int
2007 default 1 if CPU_MIPSR1 1962 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 1963 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 1964 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 1965 default 6 if CPU_MIPSR6
2011 default 0 1966 default 0
2012 help 1967 help
2013 Reflects the ISA revision being tar 1968 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 1969 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 1970
2016 config EVA 1971 config EVA
2017 bool 1972 bool
2018 1973
2019 config XPA 1974 config XPA
2020 bool 1975 bool
2021 1976
2022 config SYS_SUPPORTS_32BIT_KERNEL 1977 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 1978 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 1979 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 1980 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 1981 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 1982 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 1983 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 1984 bool
2030 config CPU_SUPPORTS_CPUFREQ 1985 config CPU_SUPPORTS_CPUFREQ
2031 bool 1986 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 1987 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 1988 bool
2034 config CPU_SUPPORTS_HUGEPAGES 1989 config CPU_SUPPORTS_HUGEPAGES
2035 bool 1990 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 1991 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 1992 config MIPS_PGD_C0_CONTEXT
2040 bool 1993 bool
2041 depends on 64BIT 1994 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 1995 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 1996
2044 # 1997 #
2045 # Set to y for ptrace access to watch registe 1998 # Set to y for ptrace access to watch registers.
2046 # 1999 #
2047 config HARDWARE_WATCHPOINTS 2000 config HARDWARE_WATCHPOINTS
2048 bool 2001 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2002 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2003
2051 menu "Kernel type" 2004 menu "Kernel type"
2052 2005
2053 choice 2006 choice
2054 prompt "Kernel code model" 2007 prompt "Kernel code model"
2055 help 2008 help
2056 You should only select this option 2009 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2010 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2011 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2012 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2013
2061 config 32BIT 2014 config 32BIT
2062 bool "32-bit kernel" 2015 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2016 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2017 select TRAD_SIGNALS
2065 help 2018 help
2066 Select this option if you want to b 2019 Select this option if you want to build a 32-bit kernel.
2067 2020
2068 config 64BIT 2021 config 64BIT
2069 bool "64-bit kernel" 2022 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2023 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2024 help
2072 Select this option if you want to b 2025 Select this option if you want to build a 64-bit kernel.
2073 2026
2074 endchoice 2027 endchoice
2075 2028
2076 config MIPS_VA_BITS_48 2029 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2030 bool "48 bits virtual memory"
2078 depends on 64BIT 2031 depends on 64BIT
2079 help 2032 help
2080 Support a maximum at least 48 bits 2033 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2034 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2035 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2036 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2037 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2038 overhead as well as slower TLB fault handling.
2086 2039
2087 If unsure, say N. 2040 If unsure, say N.
2088 2041
2089 config ZBOOT_LOAD_ADDRESS 2042 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2043 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2044 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2045 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2046 depends on SYS_SUPPORTS_ZBOOT
2094 help 2047 help
2095 The address to load compressed kern 2048 The address to load compressed kernel, aka vmlinuz.
2096 2049
2097 This is only used if non-zero. 2050 This is only used if non-zero.
2098 2051
>> 2052 choice
>> 2053 prompt "Kernel page size"
>> 2054 default PAGE_SIZE_4KB
>> 2055
>> 2056 config PAGE_SIZE_4KB
>> 2057 bool "4kB"
>> 2058 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2059 help
>> 2060 This option select the standard 4kB Linux page size. On some
>> 2061 R3000-family processors this is the only available page size. Using
>> 2062 4kB page size will minimize memory consumption and is therefore
>> 2063 recommended for low memory systems.
>> 2064
>> 2065 config PAGE_SIZE_8KB
>> 2066 bool "8kB"
>> 2067 depends on CPU_CAVIUM_OCTEON
>> 2068 depends on !MIPS_VA_BITS_48
>> 2069 help
>> 2070 Using 8kB page size will result in higher performance kernel at
>> 2071 the price of higher memory consumption. This option is available
>> 2072 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2073 distribution to support this.
>> 2074
>> 2075 config PAGE_SIZE_16KB
>> 2076 bool "16kB"
>> 2077 depends on !CPU_R3000
>> 2078 help
>> 2079 Using 16kB page size will result in higher performance kernel at
>> 2080 the price of higher memory consumption. This option is available on
>> 2081 all non-R3000 family processors. Note that you will need a suitable
>> 2082 Linux distribution to support this.
>> 2083
>> 2084 config PAGE_SIZE_32KB
>> 2085 bool "32kB"
>> 2086 depends on CPU_CAVIUM_OCTEON
>> 2087 depends on !MIPS_VA_BITS_48
>> 2088 help
>> 2089 Using 32kB page size will result in higher performance kernel at
>> 2090 the price of higher memory consumption. This option is available
>> 2091 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2092 distribution to support this.
>> 2093
>> 2094 config PAGE_SIZE_64KB
>> 2095 bool "64kB"
>> 2096 depends on !CPU_R3000
>> 2097 help
>> 2098 Using 64kB page size will result in higher performance kernel at
>> 2099 the price of higher memory consumption. This option is available on
>> 2100 all non-R3000 family processor. Not that at the time of this
>> 2101 writing this option is still high experimental.
>> 2102
>> 2103 endchoice
>> 2104
2099 config ARCH_FORCE_MAX_ORDER 2105 config ARCH_FORCE_MAX_ORDER
2100 int "Maximum zone order" 2106 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT 2107 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT 2108 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT 2109 default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104 default "10" 2110 default "10"
2105 help 2111 help
2106 The kernel memory allocator divides 2112 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2113 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2114 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2115 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2116 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2117 increase this value.
2112 2118
2113 The page size is not necessarily 4K 2119 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2120 when choosing a value for this option.
2115 2121
2116 config BOARD_SCACHE 2122 config BOARD_SCACHE
2117 bool 2123 bool
2118 2124
2119 config IP22_CPU_SCACHE 2125 config IP22_CPU_SCACHE
2120 bool 2126 bool
2121 select BOARD_SCACHE 2127 select BOARD_SCACHE
2122 2128
2123 # 2129 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2130 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2131 #
2126 config MIPS_CPU_SCACHE 2132 config MIPS_CPU_SCACHE
2127 bool 2133 bool
2128 select BOARD_SCACHE 2134 select BOARD_SCACHE
2129 2135
2130 config R5000_CPU_SCACHE 2136 config R5000_CPU_SCACHE
2131 bool 2137 bool
2132 select BOARD_SCACHE 2138 select BOARD_SCACHE
2133 2139
2134 config RM7000_CPU_SCACHE 2140 config RM7000_CPU_SCACHE
2135 bool 2141 bool
2136 select BOARD_SCACHE 2142 select BOARD_SCACHE
2137 2143
2138 config SIBYTE_DMA_PAGEOPS 2144 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2145 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2146 depends on CPU_SB1
2141 help 2147 help
2142 Instead of using the CPU to zero an 2148 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2149 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2150 SiByte Linux port. Seems to give a small performance benefit.
2145 2151
2146 config CPU_HAS_PREFETCH 2152 config CPU_HAS_PREFETCH
2147 bool 2153 bool
2148 2154
2149 config CPU_GENERIC_DUMP_TLB 2155 config CPU_GENERIC_DUMP_TLB
2150 bool 2156 bool
2151 default y if !CPU_R3000 2157 default y if !CPU_R3000
2152 2158
2153 config MIPS_FP_SUPPORT 2159 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2160 bool "Floating Point support" if EXPERT
2155 default y 2161 default y
2156 help 2162 help
2157 Select y to include support for flo 2163 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2164 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2165 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2166 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2167 receive a SIGILL.
2162 2168
2163 If you know that your userland will 2169 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2170 instructions then you can say n here to shrink the kernel a little.
2165 2171
2166 If unsure, say y. 2172 If unsure, say y.
2167 2173
2168 config CPU_R2300_FPU 2174 config CPU_R2300_FPU
2169 bool 2175 bool
2170 depends on MIPS_FP_SUPPORT 2176 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 2177 default y if CPU_R3000
2172 2178
2173 config CPU_R3K_TLB 2179 config CPU_R3K_TLB
2174 bool 2180 bool
2175 2181
2176 config CPU_R4K_FPU 2182 config CPU_R4K_FPU
2177 bool 2183 bool
2178 depends on MIPS_FP_SUPPORT 2184 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2185 default y if !CPU_R2300_FPU
2180 2186
2181 config CPU_R4K_CACHE_TLB 2187 config CPU_R4K_CACHE_TLB
2182 bool 2188 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2189 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2190
2185 config MIPS_MT_SMP 2191 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2192 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2193 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2194 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2195 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2196 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2197 select SYNC_R4K
2193 select MIPS_MT 2198 select MIPS_MT
2194 select SMP 2199 select SMP
2195 select SMP_UP 2200 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2201 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2202 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2203 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2204 help
2200 This is a kernel model which is kno 2205 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2206 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2207 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2208 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2209 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2210
2206 config MIPS_MT 2211 config MIPS_MT
2207 bool 2212 bool
2208 2213
2209 config SCHED_SMT 2214 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2215 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2216 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2217 default n
2213 help 2218 help
2214 SMT scheduler support improves the 2219 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2220 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2221 increased overhead in some places. If unsure say N here.
2217 2222
2218 config SYS_SUPPORTS_SCHED_SMT 2223 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2224 bool
2220 2225
2221 config SYS_SUPPORTS_MULTITHREADING 2226 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2227 bool
2223 2228
2224 config MIPS_MT_FPAFF 2229 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2230 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2231 default y
2227 depends on MIPS_MT_SMP 2232 depends on MIPS_MT_SMP
2228 2233
2229 config MIPSR2_TO_R6_EMULATOR 2234 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2235 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2236 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2237 depends on MIPS_FP_SUPPORT
2233 default y 2238 default y
2234 help 2239 help
2235 Choose this option if you want to r 2240 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2241 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2242 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2243 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2244 final kernel image.
2240 2245
2241 config SYS_SUPPORTS_VPE_LOADER 2246 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2247 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2248 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2249 help
2245 Indicates that the platform support 2250 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2251 physical_memsize.
2247 2252
2248 config MIPS_VPE_LOADER 2253 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2254 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2255 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2256 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2257 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2258 select MIPS_MT
2254 help 2259 help
2255 Includes a loader for loading an el 2260 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2261 onto another VPE and running it.
2257 2262
2258 config MIPS_VPE_LOADER_MT 2263 config MIPS_VPE_LOADER_MT
2259 bool 2264 bool
2260 default "y" 2265 default "y"
2261 depends on MIPS_VPE_LOADER 2266 depends on MIPS_VPE_LOADER
2262 2267
2263 config MIPS_VPE_LOADER_TOM 2268 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2269 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2270 depends on MIPS_VPE_LOADER
2266 default y 2271 default y
2267 help 2272 help
2268 The loader can use memory that is p 2273 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2274 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2275 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2276 program requires is less or equal to the amount physically present.
2272 2277
2273 config MIPS_VPE_APSP_API 2278 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2279 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2280 depends on MIPS_VPE_LOADER
2276 2281
2277 config MIPS_VPE_APSP_API_MT 2282 config MIPS_VPE_APSP_API_MT
2278 bool 2283 bool
2279 default "y" 2284 default "y"
2280 depends on MIPS_VPE_APSP_API 2285 depends on MIPS_VPE_APSP_API
2281 2286
2282 config MIPS_CPS 2287 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2288 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2289 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2290 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2291 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2292 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP 2293 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2294 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2295 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2296 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2297 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2298 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2299 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2300 help
2296 Select this if you wish to run an S 2301 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2302 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2303 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2304 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2305 support is unavailable.
2301 2306
2302 config MIPS_CPS_PM 2307 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2308 depends on MIPS_CPS
2304 bool 2309 bool
2305 2310
2306 config MIPS_CM 2311 config MIPS_CM
2307 bool 2312 bool
2308 select MIPS_CPC 2313 select MIPS_CPC
2309 2314
2310 config MIPS_CPC 2315 config MIPS_CPC
2311 bool 2316 bool
2312 2317
2313 config SB1_PASS_2_WORKAROUNDS 2318 config SB1_PASS_2_WORKAROUNDS
2314 bool 2319 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2320 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2321 default y
2317 2322
2318 config SB1_PASS_2_1_WORKAROUNDS 2323 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2324 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2325 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2326 default y
2322 2327
2323 choice 2328 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2329 prompt "SmartMIPS or microMIPS ASE support"
2325 2330
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2331 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2332 bool "None"
2328 help 2333 help
2329 Select this if you want neither mic 2334 Select this if you want neither microMIPS nor SmartMIPS support
2330 2335
2331 config CPU_HAS_SMARTMIPS 2336 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2337 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2338 bool "SmartMIPS"
2334 help 2339 help
2335 SmartMIPS is a extension of the MIP 2340 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2341 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2342 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2343 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2344 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2345 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2346 here.
2342 2347
2343 config CPU_MICROMIPS 2348 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2349 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2350 bool "microMIPS"
2346 help 2351 help
2347 When this option is enabled the ker 2352 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2353 microMIPS ISA
2349 2354
2350 endchoice 2355 endchoice
2351 2356
2352 config CPU_HAS_MSA 2357 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2358 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2359 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2360 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2361 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2362 help
2358 MIPS SIMD Architecture (MSA) introd 2363 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2364 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2365 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2366 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2367 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2368 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2369 the size & complexity of your kernel.
2365 2370
2366 If unsure, say Y. 2371 If unsure, say Y.
2367 2372
2368 config CPU_HAS_WB 2373 config CPU_HAS_WB
2369 bool 2374 bool
2370 2375
2371 config XKS01 2376 config XKS01
2372 bool 2377 bool
2373 2378
2374 config CPU_HAS_DIEI 2379 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2380 depends on !CPU_DIEI_BROKEN
2376 bool 2381 bool
2377 2382
2378 config CPU_DIEI_BROKEN 2383 config CPU_DIEI_BROKEN
2379 bool 2384 bool
2380 2385
2381 config CPU_HAS_RIXI 2386 config CPU_HAS_RIXI
2382 bool 2387 bool
2383 2388
2384 config CPU_NO_LOAD_STORE_LR 2389 config CPU_NO_LOAD_STORE_LR
2385 bool 2390 bool
2386 help 2391 help
2387 CPU lacks support for unaligned loa 2392 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2393 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2394 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2395 systems).
2391 2396
2392 # 2397 #
2393 # Vectored interrupt mode is an R2 feature 2398 # Vectored interrupt mode is an R2 feature
2394 # 2399 #
2395 config CPU_MIPSR2_IRQ_VI 2400 config CPU_MIPSR2_IRQ_VI
2396 bool 2401 bool
2397 2402
2398 # 2403 #
2399 # Extended interrupt mode is an R2 feature 2404 # Extended interrupt mode is an R2 feature
2400 # 2405 #
2401 config CPU_MIPSR2_IRQ_EI 2406 config CPU_MIPSR2_IRQ_EI
2402 bool 2407 bool
2403 2408
2404 config CPU_HAS_SYNC 2409 config CPU_HAS_SYNC
2405 bool 2410 bool
2406 depends on !CPU_R3000 2411 depends on !CPU_R3000
2407 default y 2412 default y
2408 2413
2409 # 2414 #
2410 # CPU non-features 2415 # CPU non-features
2411 # 2416 #
2412 2417
2413 # Work around the "daddi" and "daddiu" CPU er 2418 # Work around the "daddi" and "daddiu" CPU errata:
2414 # 2419 #
2415 # - The `daddi' instruction fails to trap on 2420 # - The `daddi' instruction fails to trap on overflow.
2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2421 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 # erratum #23 2422 # erratum #23
2418 # 2423 #
2419 # - The `daddiu' instruction can produce an i 2424 # - The `daddiu' instruction can produce an incorrect result.
2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2425 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 # erratum #41 2426 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision 2427 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 # #15 2428 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2429 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 # "MIPS R4400MC Errata, Processor Revision 2430 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS 2431 config CPU_DADDI_WORKAROUNDS
2427 bool 2432 bool
2428 2433
2429 # Work around certain R4000 CPU errata (as im 2434 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 # 2435 #
2431 # - A double-word or a variable shift may giv 2436 # - A double-word or a variable shift may give an incorrect result
2432 # if executed immediately after starting an 2437 # if executed immediately after starting an integer division:
2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2438 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 # erratum #28 2439 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision 2440 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 # #19 2441 # #19
2437 # 2442 #
2438 # - A double-word or a variable shift may giv 2443 # - A double-word or a variable shift may give an incorrect result
2439 # if executed while an integer multiplicati 2444 # if executed while an integer multiplication is in progress:
2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2445 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 # errata #16 & #28 2446 # errata #16 & #28
2442 # 2447 #
2443 # - An integer division may give an incorrect 2448 # - An integer division may give an incorrect result if started in
2444 # a delay slot of a taken branch or a jump: 2449 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2450 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 # erratum #52 2451 # erratum #52
2447 config CPU_R4000_WORKAROUNDS 2452 config CPU_R4000_WORKAROUNDS
2448 bool 2453 bool
2449 select CPU_R4400_WORKAROUNDS 2454 select CPU_R4400_WORKAROUNDS
2450 2455
2451 # Work around certain R4400 CPU errata (as im 2456 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 # 2457 #
2453 # - A double-word or a variable shift may giv 2458 # - A double-word or a variable shift may give an incorrect result
2454 # if executed immediately after starting an 2459 # if executed immediately after starting an integer division:
2455 # "MIPS R4400MC Errata, Processor Revision 2460 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 # "MIPS R4400MC Errata, Processor Revision 2461 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS 2462 config CPU_R4400_WORKAROUNDS
2458 bool 2463 bool
2459 2464
2460 config CPU_R4X00_BUGS64 2465 config CPU_R4X00_BUGS64
2461 bool 2466 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2467 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2468
2464 config MIPS_ASID_SHIFT 2469 config MIPS_ASID_SHIFT
2465 int 2470 int
2466 default 6 if CPU_R3000 2471 default 6 if CPU_R3000
2467 default 0 2472 default 0
2468 2473
2469 config MIPS_ASID_BITS 2474 config MIPS_ASID_BITS
2470 int 2475 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2476 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 2477 default 6 if CPU_R3000
2473 default 8 2478 default 8
2474 2479
2475 config MIPS_ASID_BITS_VARIABLE 2480 config MIPS_ASID_BITS_VARIABLE
2476 bool 2481 bool
2477 2482
2478 config MIPS_CRC_SUPPORT 2483 config MIPS_CRC_SUPPORT
2479 bool 2484 bool
2480 2485
2481 # R4600 erratum. Due to the lack of errata i 2486 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2487 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2488 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2489 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2490 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2491 bool
2487 2492
2488 # Pleasures of the R4600 V1.x. Cite from the 2493 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2494 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2495 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2496 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2497 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2498 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2499 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2500 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2501 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2502 # four instructions that are not any kind of load or store
2498 # instruction. 2503 # instruction.
2499 # 2504 #
2500 # This is not allowed: lw 2505 # This is not allowed: lw
2501 # nop 2506 # nop
2502 # nop 2507 # nop
2503 # nop 2508 # nop
2504 # cache Hi 2509 # cache Hit_Writeback_Invalidate_D
2505 # 2510 #
2506 # This is allowed: lw 2511 # This is allowed: lw
2507 # nop 2512 # nop
2508 # nop 2513 # nop
2509 # nop 2514 # nop
2510 # nop 2515 # nop
2511 # cache Hi 2516 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2517 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2518 bool
2514 2519
2515 # Writeback and invalidate the primary cache 2520 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2521 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2522 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2523 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2524 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2525 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2526 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2527 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2528 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2529 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2530 bool
2526 2531
2527 # From TX49/H2 manual: "If the instruction (i 2532 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2533 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2534 # operation is not guaranteed."
2530 # 2535 #
2531 # Workaround: do two phase flushing for Index 2536 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2537 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2538 bool
2534 2539
2535 # The RM7000 processors and the E9000 cores h 2540 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2541 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2542 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2543 # exceptions.
2539 config WAR_ICACHE_REFILLS 2544 config WAR_ICACHE_REFILLS
2540 bool 2545 bool
2541 2546
2542 # On the R10000 up to version 2.6 (not sure a 2547 # 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 2548 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2549 config WAR_R10000_LLSC
2545 bool 2550 bool
2546 2551
2547 # 34K core erratum: "Problems Executing the T 2552 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2553 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2554 bool
2550 2555
2551 # 2556 #
2552 # - Highmem only makes sense for the 32-bit k 2557 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2558 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2559 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2560 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2561 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2562 # 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 2563 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2564 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2565 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2566 # know they might have memory configurations that could make use of highmem
2562 # support. 2567 # support.
2563 # 2568 #
2564 config HIGHMEM 2569 config HIGHMEM
2565 bool "High Memory Support" 2570 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2571 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2572 select KMAP_LOCAL
2568 2573
2569 config CPU_SUPPORTS_HIGHMEM 2574 config CPU_SUPPORTS_HIGHMEM
2570 bool 2575 bool
2571 2576
2572 config SYS_SUPPORTS_HIGHMEM 2577 config SYS_SUPPORTS_HIGHMEM
2573 bool 2578 bool
2574 2579
2575 config SYS_SUPPORTS_SMARTMIPS 2580 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2581 bool
2577 2582
2578 config SYS_SUPPORTS_MICROMIPS 2583 config SYS_SUPPORTS_MICROMIPS
2579 bool 2584 bool
2580 2585
2581 config SYS_SUPPORTS_MIPS16 2586 config SYS_SUPPORTS_MIPS16
2582 bool 2587 bool
2583 help 2588 help
2584 This option must be set if a kernel 2589 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2590 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2591 words, it makes the kernel MIPS16-tolerant.
2587 2592
2588 config CPU_SUPPORTS_MSA 2593 config CPU_SUPPORTS_MSA
2589 bool 2594 bool
2590 2595
2591 config ARCH_FLATMEM_ENABLE 2596 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2597 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2598 depends on !NUMA && !CPU_LOONGSON2EF
2594 2599
2595 config ARCH_SPARSEMEM_ENABLE 2600 config ARCH_SPARSEMEM_ENABLE
2596 bool 2601 bool
2597 2602
2598 config NUMA 2603 config NUMA
2599 bool "NUMA Support" 2604 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2605 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2606 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2607 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2608 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2609 help
2605 Say Y to compile the kernel to supp 2610 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2611 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2612 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2613 leave it disabled; on single node systems leave this option
2609 disabled. 2614 disabled.
2610 2615
2611 config SYS_SUPPORTS_NUMA 2616 config SYS_SUPPORTS_NUMA
2612 bool 2617 bool
2613 2618
>> 2619 config HAVE_ARCH_NODEDATA_EXTENSION
>> 2620 bool
>> 2621
2614 config RELOCATABLE 2622 config RELOCATABLE
2615 bool "Relocatable kernel" 2623 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2624 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2625 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2626 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2627 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2628 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2629 CPU_LOONGSON64
2622 help 2630 help
2623 This builds a kernel image that ret 2631 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2632 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2633 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2634 but are discarded at runtime
2627 2635
2628 config RELOCATION_TABLE_SIZE 2636 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2637 hex "Relocation table size"
2630 depends on RELOCATABLE 2638 depends on RELOCATABLE
2631 range 0x0 0x01000000 2639 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2640 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2641 default "0x00100000"
2634 help 2642 help
2635 A table of relocation data will be 2643 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2644 and parsed at boot to fix up the relocated kernel.
2637 2645
2638 This option allows the amount of sp 2646 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2647 adjusted, although the default of 1Mb should be ok in most cases.
2640 2648
2641 The build will fail and a valid siz 2649 The build will fail and a valid size suggested if this is too small.
2642 2650
2643 If unsure, leave at the default val 2651 If unsure, leave at the default value.
2644 2652
2645 config RANDOMIZE_BASE 2653 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2654 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2655 depends on RELOCATABLE
2648 help 2656 help
2649 Randomizes the physical and virtual 2657 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2658 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2659 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2660 of kernel internals.
2653 2661
2654 Entropy is generated using any copr 2662 Entropy is generated using any coprocessor 0 registers available.
2655 2663
2656 The kernel will be offset by up to 2664 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2665
2658 If unsure, say N. 2666 If unsure, say N.
2659 2667
2660 config RANDOMIZE_BASE_MAX_OFFSET 2668 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2669 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2670 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2671 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2672 range 0x0 0x08000000
2665 default "0x01000000" 2673 default "0x01000000"
2666 help 2674 help
2667 When kASLR is active, this provides 2675 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2676 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2677 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2678 PHYSICAL_START and must be a power of 2.
2671 2679
2672 This is limited by the size of KSEG 2680 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2681 EVA or 64-bit. The default is 16Mb.
2674 2682
2675 config NODES_SHIFT 2683 config NODES_SHIFT
2676 int 2684 int
2677 default "6" 2685 default "6"
2678 depends on NUMA 2686 depends on NUMA
2679 2687
2680 config HW_PERF_EVENTS 2688 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2689 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2690 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2691 default y
2684 help 2692 help
2685 Enable hardware performance counter 2693 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2694 disabled, perf events will use software events only.
2687 2695
2688 config DMI 2696 config DMI
2689 bool "Enable DMI scanning" 2697 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2698 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2699 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2700 default y
2693 help 2701 help
2694 Enabled scanning of DMI to identify 2702 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2703 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2704 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2705 BIOS code.
2698 2706
2699 config SMP 2707 config SMP
2700 bool "Multi-Processing support" 2708 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2709 depends on SYS_SUPPORTS_SMP
2702 help 2710 help
2703 This enables support for systems wi 2711 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2712 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2713 than one CPU, say Y.
2706 2714
2707 If you say N here, the kernel will 2715 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2716 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2717 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2718 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2719 will run faster if you say N here.
2712 2720
2713 People using multiprocessor machine 2721 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2722 Y to "Enhanced Real Time Clock Support", below.
2715 2723
2716 See also the SMP-HOWTO available at 2724 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2725 <https://www.tldp.org/docs.html#howto>.
2718 2726
2719 If you don't know what to do here, 2727 If you don't know what to do here, say N.
2720 2728
2721 config HOTPLUG_CPU 2729 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2730 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2731 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2732 help
2725 Say Y here to allow turning CPUs of 2733 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2734 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2735 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2736 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2737 Say N if you want to disable CPU hotplug.
2730 2738
2731 config SMP_UP 2739 config SMP_UP
2732 bool 2740 bool
2733 2741
2734 config SYS_SUPPORTS_MIPS_CPS 2742 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2743 bool
2736 2744
2737 config SYS_SUPPORTS_SMP 2745 config SYS_SUPPORTS_SMP
2738 bool 2746 bool
2739 2747
2740 config NR_CPUS_DEFAULT_4 2748 config NR_CPUS_DEFAULT_4
2741 bool 2749 bool
2742 2750
2743 config NR_CPUS_DEFAULT_8 2751 config NR_CPUS_DEFAULT_8
2744 bool 2752 bool
2745 2753
2746 config NR_CPUS_DEFAULT_16 2754 config NR_CPUS_DEFAULT_16
2747 bool 2755 bool
2748 2756
2749 config NR_CPUS_DEFAULT_32 2757 config NR_CPUS_DEFAULT_32
2750 bool 2758 bool
2751 2759
2752 config NR_CPUS_DEFAULT_64 2760 config NR_CPUS_DEFAULT_64
2753 bool 2761 bool
2754 2762
2755 config NR_CPUS 2763 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2764 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2765 range 2 256
2758 depends on SMP 2766 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2767 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2768 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2769 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2770 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2771 default "64" if NR_CPUS_DEFAULT_64
2764 help 2772 help
2765 This allows you to specify the maxi 2773 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2774 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2775 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2776 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2777 and 2 for all others.
2770 2778
2771 This is purely to save memory - eac 2779 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2780 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2781 performance should round up your number of processors to the next
2774 power of two. 2782 power of two.
2775 2783
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2784 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2785 bool
2778 2786
2779 config MIPS_NR_CPU_NR_MAP_1024 2787 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2788 bool
2781 2789
2782 config MIPS_NR_CPU_NR_MAP 2790 config MIPS_NR_CPU_NR_MAP
2783 int 2791 int
2784 depends on SMP 2792 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2793 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2794 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2795
2788 # 2796 #
2789 # Timer Interrupt Frequency Configuration 2797 # Timer Interrupt Frequency Configuration
2790 # 2798 #
2791 2799
2792 choice 2800 choice
2793 prompt "Timer frequency" 2801 prompt "Timer frequency"
2794 default HZ_250 2802 default HZ_250
2795 help 2803 help
2796 Allows the configuration of the tim 2804 Allows the configuration of the timer frequency.
2797 2805
2798 config HZ_24 2806 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2807 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2808
2801 config HZ_48 2809 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2810 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2811
2804 config HZ_100 2812 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2813 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2814
2807 config HZ_128 2815 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2816 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2817
2810 config HZ_250 2818 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2819 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2820
2813 config HZ_256 2821 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2822 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2823
2816 config HZ_1000 2824 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2825 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2826
2819 config HZ_1024 2827 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2828 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2829
2822 endchoice 2830 endchoice
2823 2831
2824 config SYS_SUPPORTS_24HZ 2832 config SYS_SUPPORTS_24HZ
2825 bool 2833 bool
2826 2834
2827 config SYS_SUPPORTS_48HZ 2835 config SYS_SUPPORTS_48HZ
2828 bool 2836 bool
2829 2837
2830 config SYS_SUPPORTS_100HZ 2838 config SYS_SUPPORTS_100HZ
2831 bool 2839 bool
2832 2840
2833 config SYS_SUPPORTS_128HZ 2841 config SYS_SUPPORTS_128HZ
2834 bool 2842 bool
2835 2843
2836 config SYS_SUPPORTS_250HZ 2844 config SYS_SUPPORTS_250HZ
2837 bool 2845 bool
2838 2846
2839 config SYS_SUPPORTS_256HZ 2847 config SYS_SUPPORTS_256HZ
2840 bool 2848 bool
2841 2849
2842 config SYS_SUPPORTS_1000HZ 2850 config SYS_SUPPORTS_1000HZ
2843 bool 2851 bool
2844 2852
2845 config SYS_SUPPORTS_1024HZ 2853 config SYS_SUPPORTS_1024HZ
2846 bool 2854 bool
2847 2855
2848 config SYS_SUPPORTS_ARBIT_HZ 2856 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2857 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2858 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2859 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2860 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2861 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2862 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2863 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2864 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2865 !SYS_SUPPORTS_1024HZ
2858 2866
2859 config HZ 2867 config HZ
2860 int 2868 int
2861 default 24 if HZ_24 2869 default 24 if HZ_24
2862 default 48 if HZ_48 2870 default 48 if HZ_48
2863 default 100 if HZ_100 2871 default 100 if HZ_100
2864 default 128 if HZ_128 2872 default 128 if HZ_128
2865 default 250 if HZ_250 2873 default 250 if HZ_250
2866 default 256 if HZ_256 2874 default 256 if HZ_256
2867 default 1000 if HZ_1000 2875 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2876 default 1024 if HZ_1024
2869 2877
2870 config SCHED_HRTICK 2878 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2879 def_bool HIGH_RES_TIMERS
2872 2880
2873 config ARCH_SUPPORTS_KEXEC !! 2881 config KEXEC
2874 def_bool y !! 2882 bool "Kexec system call"
2875 !! 2883 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2884 help
2877 def_bool y !! 2885 kexec is a system call that implements the ability to shutdown your
>> 2886 current kernel, and to start another kernel. It is like a reboot
>> 2887 but it is independent of the system firmware. And like a reboot
>> 2888 you can start any kernel with it, not just Linux.
>> 2889
>> 2890 The name comes from the similarity to the exec system call.
>> 2891
>> 2892 It is an ongoing process to be certain the hardware in a machine
>> 2893 is properly shutdown, so do not be surprised if this code does not
>> 2894 initially work for you. As of this writing the exact hardware
>> 2895 interface is strongly in flux, so no good recommendation can be
>> 2896 made.
>> 2897
>> 2898 config CRASH_DUMP
>> 2899 bool "Kernel crash dumps"
>> 2900 help
>> 2901 Generate crash dump after being started by kexec.
>> 2902 This should be normally only set in special crash dump kernels
>> 2903 which are loaded in the main kernel with kexec-tools into
>> 2904 a specially reserved region and then later executed after
>> 2905 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2906 to a memory address not used by the main kernel or firmware using
>> 2907 PHYSICAL_START.
2878 2908
2879 config PHYSICAL_START 2909 config PHYSICAL_START
2880 hex "Physical address where the kerne 2910 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2911 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2912 depends on CRASH_DUMP
2883 help 2913 help
2884 This gives the CKSEG0 or KSEG0 addr 2914 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2915 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2916 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2917 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2918 passed to the panic-ed kernel).
2889 2919
2890 config MIPS_O32_FP64_SUPPORT 2920 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2921 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2922 depends on 32BIT || MIPS32_O32
2893 help 2923 help
2894 When this is enabled, the kernel wi 2924 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2925 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2926 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2927 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2928 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2929 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2930 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2931 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2932 saying N here.
2903 2933
2904 Although binutils currently support 2934 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2935 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 2936 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 2937 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2938 be considered experimental and only enabled by those working upon
2909 said details. 2939 said details.
2910 2940
2911 If unsure, say N. 2941 If unsure, say N.
2912 2942
2913 config USE_OF 2943 config USE_OF
2914 bool 2944 bool
2915 select OF 2945 select OF
2916 select OF_EARLY_FLATTREE 2946 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2947 select IRQ_DOMAIN
2918 2948
2919 config UHI_BOOT 2949 config UHI_BOOT
2920 bool 2950 bool
2921 2951
2922 config BUILTIN_DTB 2952 config BUILTIN_DTB
2923 bool 2953 bool
2924 2954
2925 choice 2955 choice
2926 prompt "Kernel appended dtb support" !! 2956 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2957 default MIPS_NO_APPENDED_DTB
2929 2958
2930 config MIPS_NO_APPENDED_DTB 2959 config MIPS_NO_APPENDED_DTB
2931 bool "None" 2960 bool "None"
2932 help 2961 help
2933 Do not enable appended dtb 2962 Do not enable appended dtb support.
2934 2963
2935 config MIPS_ELF_APPENDED_DTB 2964 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 2965 bool "vmlinux"
2937 help 2966 help
2938 With this option, the boot 2967 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 2968 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 2969 it is empty and the DTB can be appended using binutils command
2941 objcopy: 2970 objcopy:
2942 2971
2943 objcopy --update-section 2972 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 2973
2945 This is meant as a backward 2974 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 2975 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 2976 the documented boot protocol using a device tree.
2948 2977
2949 config MIPS_RAW_APPENDED_DTB 2978 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 2979 bool "vmlinux.bin or vmlinuz.bin"
2951 help 2980 help
2952 With this option, the boot 2981 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 2982 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 2983 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 2984
2956 This is meant as a backward 2985 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 2986 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 2987 the documented boot protocol using a device tree.
2959 2988
2960 Beware that there is very l 2989 Beware that there is very little in terms of protection against
2961 this option being confused 2990 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 2991 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 2992 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 2993 if you don't intend to always append a DTB.
2965 endchoice 2994 endchoice
2966 2995
2967 choice 2996 choice
2968 prompt "Kernel command line type" !! 2997 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2998 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 2999 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 3000 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 3001 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 3002
2975 config MIPS_CMDLINE_FROM_DTB 3003 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3004 depends on USE_OF
2977 bool "Dtb kernel arguments if 3005 bool "Dtb kernel arguments if available"
2978 3006
2979 config MIPS_CMDLINE_DTB_EXTEND 3007 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3008 depends on USE_OF
2981 bool "Extend dtb kernel argum 3009 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3010
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3011 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3012 bool "Bootloader kernel arguments if available"
2985 3013
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3014 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3015 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3016 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3017 endchoice
2990 3018
2991 endmenu 3019 endmenu
2992 3020
2993 config LOCKDEP_SUPPORT 3021 config LOCKDEP_SUPPORT
2994 bool 3022 bool
2995 default y 3023 default y
2996 3024
2997 config STACKTRACE_SUPPORT 3025 config STACKTRACE_SUPPORT
2998 bool 3026 bool
2999 default y 3027 default y
3000 3028
3001 config PGTABLE_LEVELS 3029 config PGTABLE_LEVELS
3002 int 3030 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3031 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3032 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3033 default 2
3006 3034
3007 config MIPS_AUTO_PFN_OFFSET 3035 config MIPS_AUTO_PFN_OFFSET
3008 bool 3036 bool
3009 3037
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3038 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3039
3012 config PCI_DRIVERS_GENERIC 3040 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3041 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3042 bool
3015 3043
3016 config PCI_DRIVERS_LEGACY 3044 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3045 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3046 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3047 select PCI_DOMAINS if PCI
3020 3048
3021 # 3049 #
3022 # ISA support is now enabled via select. Too 3050 # 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 3051 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3052 # users to choose the right thing ...
3025 # 3053 #
3026 config ISA 3054 config ISA
3027 bool 3055 bool
3028 3056
3029 config TC 3057 config TC
3030 bool "TURBOchannel support" 3058 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3059 depends on MACH_DECSTATION
3032 help 3060 help
3033 TURBOchannel is a DEC (now Compaq ( 3061 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3062 processors. TURBOchannel programming specifications are available
3035 at: 3063 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3064 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3065 and:
3038 <http://www.computer-refuge.org/cla 3066 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3067 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3068 <http://www.linux-mips.org/wiki/DECstation>
3041 3069
3042 config MMU 3070 config MMU
3043 bool 3071 bool
3044 default y 3072 default y
3045 3073
3046 config ARCH_MMAP_RND_BITS_MIN 3074 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3075 default 12 if 64BIT
3048 default 8 3076 default 8
3049 3077
3050 config ARCH_MMAP_RND_BITS_MAX 3078 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3079 default 18 if 64BIT
3052 default 15 3080 default 15
3053 3081
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3082 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3083 default 8
3056 3084
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3085 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3086 default 15
3059 3087
3060 config I8253 3088 config I8253
3061 bool 3089 bool
3062 select CLKSRC_I8253 3090 select CLKSRC_I8253
3063 select CLKEVT_I8253 3091 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3092 select MIPS_EXTERNAL_TIMER
3065 endmenu 3093 endmenu
3066 3094
3067 config TRAD_SIGNALS 3095 config TRAD_SIGNALS
3068 bool 3096 bool
3069 3097
3070 config MIPS32_COMPAT 3098 config MIPS32_COMPAT
3071 bool 3099 bool
3072 3100
3073 config COMPAT 3101 config COMPAT
3074 bool 3102 bool
3075 3103
3076 config MIPS32_O32 3104 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3105 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3106 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3107 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3108 select COMPAT
3081 select MIPS32_COMPAT 3109 select MIPS32_COMPAT
3082 help 3110 help
3083 Select this option if you want to r 3111 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3112 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3113 existing binaries are in this format.
3086 3114
3087 If unsure, say Y. 3115 If unsure, say Y.
3088 3116
3089 config MIPS32_N32 3117 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3118 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3119 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3120 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3121 select COMPAT
3094 select MIPS32_COMPAT 3122 select MIPS32_COMPAT
3095 help 3123 help
3096 Select this option if you want to r 3124 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3125 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3126 data that would normally be 64-bit. They are used in special
3099 cases. 3127 cases.
3100 3128
3101 If unsure, say N. 3129 If unsure, say N.
3102 3130
3103 config CC_HAS_MNO_BRANCH_LIKELY 3131 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y 3132 def_bool y
3105 depends on $(cc-option,-mno-branch-li 3133 depends on $(cc-option,-mno-branch-likely)
3106 3134
3107 # https://github.com/llvm/llvm-project/issues 3135 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3136 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109 def_bool y if CC_IS_CLANG 3137 def_bool y if CC_IS_CLANG
3110 3138
3111 menu "Power management options" 3139 menu "Power management options"
3112 3140
3113 config ARCH_HIBERNATION_POSSIBLE 3141 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3142 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3143 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3144
3117 config ARCH_SUSPEND_POSSIBLE 3145 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3146 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3147 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3148
3121 source "kernel/power/Kconfig" 3149 source "kernel/power/Kconfig"
3122 3150
3123 endmenu 3151 endmenu
3124 3152
3125 config MIPS_EXTERNAL_TIMER 3153 config MIPS_EXTERNAL_TIMER
3126 bool 3154 bool
3127 3155
3128 menu "CPU Power Management" 3156 menu "CPU Power Management"
3129 3157
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3158 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3159 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3160 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133 3161
3134 source "drivers/cpuidle/Kconfig" 3162 source "drivers/cpuidle/Kconfig"
3135 3163
3136 endmenu 3164 endmenu
3137 3165
3138 source "arch/mips/kvm/Kconfig" 3166 source "arch/mips/kvm/Kconfig"
3139 3167
3140 source "arch/mips/vdso/Kconfig" 3168 source "arch/mips/vdso/Kconfig"
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