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