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 <<
51 select GENERIC_TIME_VSYSCALL 48 select GENERIC_TIME_VSYSCALL
52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP 49 select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
53 select HAS_IOPORT if !NO_IOPORT_MAP || 50 select HAS_IOPORT if !NO_IOPORT_MAP || ISA
54 select HAVE_ARCH_COMPILER_H 51 select HAVE_ARCH_COMPILER_H
55 select HAVE_ARCH_JUMP_LABEL 52 select HAVE_ARCH_JUMP_LABEL
56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 53 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
57 select HAVE_ARCH_MMAP_RND_BITS if MMU 54 select HAVE_ARCH_MMAP_RND_BITS if MMU
58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 55 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
59 select HAVE_ARCH_SECCOMP_FILTER 56 select HAVE_ARCH_SECCOMP_FILTER
60 select HAVE_ARCH_TRACEHOOK 57 select HAVE_ARCH_TRACEHOOK
61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 58 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
62 select HAVE_ASM_MODVERSIONS 59 select HAVE_ASM_MODVERSIONS
63 select HAVE_CONTEXT_TRACKING_USER 60 select HAVE_CONTEXT_TRACKING_USER
64 select HAVE_TIF_NOHZ 61 select HAVE_TIF_NOHZ
65 select HAVE_C_RECORDMCOUNT 62 select HAVE_C_RECORDMCOUNT
66 select HAVE_DEBUG_KMEMLEAK 63 select HAVE_DEBUG_KMEMLEAK
67 select HAVE_DEBUG_STACKOVERFLOW 64 select HAVE_DEBUG_STACKOVERFLOW
68 select HAVE_DMA_CONTIGUOUS 65 select HAVE_DMA_CONTIGUOUS
69 select HAVE_DYNAMIC_FTRACE 66 select HAVE_DYNAMIC_FTRACE
70 select HAVE_EBPF_JIT if !CPU_MICROMIPS 67 select HAVE_EBPF_JIT if !CPU_MICROMIPS
71 select HAVE_EXIT_THREAD 68 select HAVE_EXIT_THREAD
72 select HAVE_GUP_FAST !! 69 select HAVE_FAST_GUP
73 select HAVE_FTRACE_MCOUNT_RECORD 70 select HAVE_FTRACE_MCOUNT_RECORD
74 select HAVE_FUNCTION_GRAPH_TRACER 71 select HAVE_FUNCTION_GRAPH_TRACER
75 select HAVE_FUNCTION_TRACER 72 select HAVE_FUNCTION_TRACER
76 select HAVE_GCC_PLUGINS 73 select HAVE_GCC_PLUGINS
77 select HAVE_GENERIC_VDSO 74 select HAVE_GENERIC_VDSO
78 select HAVE_IOREMAP_PROT 75 select HAVE_IOREMAP_PROT
79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 76 select HAVE_IRQ_EXIT_ON_IRQ_STACK
80 select HAVE_IRQ_TIME_ACCOUNTING 77 select HAVE_IRQ_TIME_ACCOUNTING
81 select HAVE_KPROBES 78 select HAVE_KPROBES
82 select HAVE_KRETPROBES 79 select HAVE_KRETPROBES
83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 80 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
84 select HAVE_MOD_ARCH_SPECIFIC 81 select HAVE_MOD_ARCH_SPECIFIC
85 select HAVE_NMI 82 select HAVE_NMI
86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON !! 83 select HAVE_PATA_PLATFORM
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 <<
168 select SYS_HAS_CPU_MIPS32_R6 158 select SYS_HAS_CPU_MIPS32_R6
169 select SYS_HAS_CPU_MIPS64_R1 159 select SYS_HAS_CPU_MIPS64_R1
170 select SYS_HAS_CPU_MIPS64_R2 160 select SYS_HAS_CPU_MIPS64_R2
171 select SYS_HAS_CPU_MIPS64_R5 <<
172 select SYS_HAS_CPU_MIPS64_R6 161 select SYS_HAS_CPU_MIPS64_R6
173 select SYS_SUPPORTS_32BIT_KERNEL 162 select SYS_SUPPORTS_32BIT_KERNEL
174 select SYS_SUPPORTS_64BIT_KERNEL 163 select SYS_SUPPORTS_64BIT_KERNEL
175 select SYS_SUPPORTS_BIG_ENDIAN 164 select SYS_SUPPORTS_BIG_ENDIAN
176 select SYS_SUPPORTS_HIGHMEM 165 select SYS_SUPPORTS_HIGHMEM
177 select SYS_SUPPORTS_LITTLE_ENDIAN 166 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS 167 select SYS_SUPPORTS_MICROMIPS
179 select SYS_SUPPORTS_MIPS16 168 select SYS_SUPPORTS_MIPS16
180 select SYS_SUPPORTS_MIPS_CPS 169 select SYS_SUPPORTS_MIPS_CPS
181 select SYS_SUPPORTS_MULTITHREADING 170 select SYS_SUPPORTS_MULTITHREADING
182 select SYS_SUPPORTS_RELOCATABLE 171 select SYS_SUPPORTS_RELOCATABLE
183 select SYS_SUPPORTS_SMARTMIPS 172 select SYS_SUPPORTS_SMARTMIPS
184 select SYS_SUPPORTS_ZBOOT 173 select SYS_SUPPORTS_ZBOOT
185 select UHI_BOOT 174 select UHI_BOOT
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 175 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 176 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 177 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 179 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192 select USE_OF 181 select USE_OF
193 help 182 help
194 Select this to build a kernel which 183 Select this to build a kernel which aims to support multiple boards,
195 generally using a flattened device t 184 generally using a flattened device tree passed from the bootloader
196 using the boot protocol defined in t 185 using the boot protocol defined in the UHI (Unified Hosting
197 Interface) specification. 186 Interface) specification.
198 187
199 config MIPS_ALCHEMY 188 config MIPS_ALCHEMY
200 bool "Alchemy processor based machines 189 bool "Alchemy processor based machines"
201 select PHYS_ADDR_T_64BIT 190 select PHYS_ADDR_T_64BIT
202 select CEVT_R4K 191 select CEVT_R4K
203 select CSRC_R4K 192 select CSRC_R4K
204 select IRQ_MIPS_CPU 193 select IRQ_MIPS_CPU
205 select DMA_NONCOHERENT # Au10 194 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 195 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207 select SYS_HAS_CPU_MIPS32_R1 196 select SYS_HAS_CPU_MIPS32_R1
208 select SYS_SUPPORTS_32BIT_KERNEL 197 select SYS_SUPPORTS_32BIT_KERNEL
209 select SYS_SUPPORTS_APM_EMULATION 198 select SYS_SUPPORTS_APM_EMULATION
210 select GPIOLIB 199 select GPIOLIB
211 select SYS_SUPPORTS_ZBOOT 200 select SYS_SUPPORTS_ZBOOT
212 select COMMON_CLK 201 select COMMON_CLK
213 202
>> 203 config AR7
>> 204 bool "Texas Instruments AR7"
>> 205 select BOOT_ELF32
>> 206 select COMMON_CLK
>> 207 select DMA_NONCOHERENT
>> 208 select CEVT_R4K
>> 209 select CSRC_R4K
>> 210 select IRQ_MIPS_CPU
>> 211 select NO_EXCEPT_FILL
>> 212 select SWAP_IO_SPACE
>> 213 select SYS_HAS_CPU_MIPS32_R1
>> 214 select SYS_HAS_EARLY_PRINTK
>> 215 select SYS_SUPPORTS_32BIT_KERNEL
>> 216 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 217 select SYS_SUPPORTS_MIPS16
>> 218 select SYS_SUPPORTS_ZBOOT_UART16550
>> 219 select GPIOLIB
>> 220 select VLYNQ
>> 221 help
>> 222 Support for the Texas Instruments AR7 System-on-a-Chip
>> 223 family: TNETD7100, 7200 and 7300.
>> 224
214 config ATH25 225 config ATH25
215 bool "Atheros AR231x/AR531x SoC suppor 226 bool "Atheros AR231x/AR531x SoC support"
216 select CEVT_R4K 227 select CEVT_R4K
217 select CSRC_R4K 228 select CSRC_R4K
218 select DMA_NONCOHERENT 229 select DMA_NONCOHERENT
219 select IRQ_MIPS_CPU 230 select IRQ_MIPS_CPU
220 select IRQ_DOMAIN 231 select IRQ_DOMAIN
221 select SYS_HAS_CPU_MIPS32_R1 232 select SYS_HAS_CPU_MIPS32_R1
222 select SYS_SUPPORTS_BIG_ENDIAN 233 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL 234 select SYS_SUPPORTS_32BIT_KERNEL
224 select SYS_HAS_EARLY_PRINTK 235 select SYS_HAS_EARLY_PRINTK
225 help 236 help
226 Support for Atheros AR231x and Ather 237 Support for Atheros AR231x and Atheros AR531x based boards
227 238
228 config ATH79 239 config ATH79
229 bool "Atheros AR71XX/AR724X/AR913X bas 240 bool "Atheros AR71XX/AR724X/AR913X based boards"
230 select ARCH_HAS_RESET_CONTROLLER 241 select ARCH_HAS_RESET_CONTROLLER
231 select BOOT_RAW 242 select BOOT_RAW
232 select CEVT_R4K 243 select CEVT_R4K
233 select CSRC_R4K 244 select CSRC_R4K
234 select DMA_NONCOHERENT 245 select DMA_NONCOHERENT
235 select GPIOLIB 246 select GPIOLIB
236 select PINCTRL 247 select PINCTRL
237 select COMMON_CLK 248 select COMMON_CLK
238 select IRQ_MIPS_CPU 249 select IRQ_MIPS_CPU
239 select SYS_HAS_CPU_MIPS32_R2 250 select SYS_HAS_CPU_MIPS32_R2
240 select SYS_HAS_EARLY_PRINTK 251 select SYS_HAS_EARLY_PRINTK
241 select SYS_SUPPORTS_32BIT_KERNEL 252 select SYS_SUPPORTS_32BIT_KERNEL
242 select SYS_SUPPORTS_BIG_ENDIAN 253 select SYS_SUPPORTS_BIG_ENDIAN
243 select SYS_SUPPORTS_MIPS16 254 select SYS_SUPPORTS_MIPS16
244 select SYS_SUPPORTS_ZBOOT_UART_PROM 255 select SYS_SUPPORTS_ZBOOT_UART_PROM
245 select USE_OF 256 select USE_OF
246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 257 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247 help 258 help
248 Support for the Atheros AR71XX/AR724 259 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249 260
250 config BMIPS_GENERIC 261 config BMIPS_GENERIC
251 bool "Broadcom Generic BMIPS kernel" 262 bool "Broadcom Generic BMIPS kernel"
252 select ARCH_HAS_RESET_CONTROLLER 263 select ARCH_HAS_RESET_CONTROLLER
253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 264 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254 select BOOT_RAW 265 select BOOT_RAW
255 select NO_EXCEPT_FILL 266 select NO_EXCEPT_FILL
256 select USE_OF 267 select USE_OF
257 select CEVT_R4K 268 select CEVT_R4K
258 select CSRC_R4K 269 select CSRC_R4K
259 select SYNC_R4K 270 select SYNC_R4K
260 select COMMON_CLK 271 select COMMON_CLK
261 select BCM6345_L1_IRQ 272 select BCM6345_L1_IRQ
262 select BCM7038_L1_IRQ 273 select BCM7038_L1_IRQ
263 select BCM7120_L2_IRQ 274 select BCM7120_L2_IRQ
264 select BRCMSTB_L2_IRQ 275 select BRCMSTB_L2_IRQ
265 select IRQ_MIPS_CPU 276 select IRQ_MIPS_CPU
266 select DMA_NONCOHERENT 277 select DMA_NONCOHERENT
267 select SYS_SUPPORTS_32BIT_KERNEL 278 select SYS_SUPPORTS_32BIT_KERNEL
268 select SYS_SUPPORTS_LITTLE_ENDIAN 279 select SYS_SUPPORTS_LITTLE_ENDIAN
269 select SYS_SUPPORTS_BIG_ENDIAN 280 select SYS_SUPPORTS_BIG_ENDIAN
270 select SYS_SUPPORTS_HIGHMEM 281 select SYS_SUPPORTS_HIGHMEM
271 select SYS_HAS_CPU_BMIPS32_3300 282 select SYS_HAS_CPU_BMIPS32_3300
272 select SYS_HAS_CPU_BMIPS4350 283 select SYS_HAS_CPU_BMIPS4350
273 select SYS_HAS_CPU_BMIPS4380 284 select SYS_HAS_CPU_BMIPS4380
274 select SYS_HAS_CPU_BMIPS5000 285 select SYS_HAS_CPU_BMIPS5000
275 select SWAP_IO_SPACE 286 select SWAP_IO_SPACE
276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 287 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 288 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 289 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 290 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280 select HARDIRQS_SW_RESEND 291 select HARDIRQS_SW_RESEND
281 select HAVE_PCI 292 select HAVE_PCI
282 select PCI_DRIVERS_GENERIC 293 select PCI_DRIVERS_GENERIC
283 select FW_CFE 294 select FW_CFE
284 help 295 help
285 Build a generic DT-based kernel imag 296 Build a generic DT-based kernel image that boots on select
286 BCM33xx cable modem chips, BCM63xx D 297 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287 box chips. Note that CONFIG_CPU_BIG 298 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288 must be set appropriately for your b 299 must be set appropriately for your board.
289 300
290 config BCM47XX 301 config BCM47XX
291 bool "Broadcom BCM47XX based boards" 302 bool "Broadcom BCM47XX based boards"
292 select BOOT_RAW 303 select BOOT_RAW
293 select CEVT_R4K 304 select CEVT_R4K
294 select CSRC_R4K 305 select CSRC_R4K
295 select DMA_NONCOHERENT 306 select DMA_NONCOHERENT
296 select HAVE_PCI 307 select HAVE_PCI
297 select IRQ_MIPS_CPU 308 select IRQ_MIPS_CPU
298 select SYS_HAS_CPU_MIPS32_R1 309 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL 310 select NO_EXCEPT_FILL
300 select SYS_SUPPORTS_32BIT_KERNEL 311 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 312 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 313 select SYS_SUPPORTS_MIPS16
303 select SYS_SUPPORTS_ZBOOT 314 select SYS_SUPPORTS_ZBOOT
304 select SYS_HAS_EARLY_PRINTK 315 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 316 select USE_GENERIC_EARLY_PRINTK_8250
306 select GPIOLIB 317 select GPIOLIB
307 select LEDS_GPIO_REGISTER 318 select LEDS_GPIO_REGISTER
308 select BCM47XX_NVRAM 319 select BCM47XX_NVRAM
309 select BCM47XX_SPROM 320 select BCM47XX_SPROM
310 select BCM47XX_SSB if !BCM47XX_BCMA 321 select BCM47XX_SSB if !BCM47XX_BCMA
311 help 322 help
312 Support for BCM47XX based boards 323 Support for BCM47XX based boards
313 324
314 config BCM63XX 325 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 326 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW 327 select BOOT_RAW
317 select CEVT_R4K 328 select CEVT_R4K
318 select CSRC_R4K 329 select CSRC_R4K
319 select SYNC_R4K 330 select SYNC_R4K
320 select DMA_NONCOHERENT 331 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU 332 select IRQ_MIPS_CPU
322 select SYS_SUPPORTS_32BIT_KERNEL 333 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 334 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 335 select SYS_HAS_EARLY_PRINTK
325 select SYS_HAS_CPU_BMIPS32_3300 336 select SYS_HAS_CPU_BMIPS32_3300
326 select SYS_HAS_CPU_BMIPS4350 337 select SYS_HAS_CPU_BMIPS4350
327 select SYS_HAS_CPU_BMIPS4380 338 select SYS_HAS_CPU_BMIPS4380
328 select SWAP_IO_SPACE 339 select SWAP_IO_SPACE
329 select GPIOLIB 340 select GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 341 select MIPS_L1_CACHE_SHIFT_4
331 select HAVE_LEGACY_CLK 342 select HAVE_LEGACY_CLK
332 help 343 help
333 Support for BCM63XX based boards 344 Support for BCM63XX based boards
334 345
335 config MIPS_COBALT 346 config MIPS_COBALT
336 bool "Cobalt Server" 347 bool "Cobalt Server"
337 select CEVT_R4K 348 select CEVT_R4K
338 select CSRC_R4K 349 select CSRC_R4K
339 select CEVT_GT641XX 350 select CEVT_GT641XX
340 select DMA_NONCOHERENT 351 select DMA_NONCOHERENT
341 select FORCE_PCI 352 select FORCE_PCI
342 select I8253 353 select I8253
343 select I8259 354 select I8259
344 select IRQ_MIPS_CPU 355 select IRQ_MIPS_CPU
345 select IRQ_GT641XX 356 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 357 select PCI_GT64XXX_PCI0
347 select SYS_HAS_CPU_NEVADA 358 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 359 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 360 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 361 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 362 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 363 select USE_GENERIC_EARLY_PRINTK_8250
353 364
354 config MACH_DECSTATION 365 config MACH_DECSTATION
355 bool "DECstations" 366 bool "DECstations"
356 select BOOT_ELF32 367 select BOOT_ELF32
357 select CEVT_DS1287 368 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 369 select CEVT_R4K if CPU_R4X00
359 select CSRC_IOASIC 370 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 371 select CSRC_R4K if CPU_R4X00
361 select CPU_DADDI_WORKAROUNDS if 64BIT 372 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 373 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 374 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 375 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP 376 select NO_IOPORT_MAP
366 select IRQ_MIPS_CPU 377 select IRQ_MIPS_CPU
367 select SYS_HAS_CPU_R3000 378 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 379 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 380 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL 381 select SYS_SUPPORTS_64BIT_KERNEL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 382 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 383 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 384 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 385 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 386 select MIPS_L1_CACHE_SHIFT_4
376 help 387 help
377 This enables support for DEC's MIPS 388 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 389 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 390 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 391
381 If you have one of the following DEC 392 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 393 want to choose R4xx0 for the CPU Type:
383 394
384 DECstation 5000/50 395 DECstation 5000/50
385 DECstation 5000/150 396 DECstation 5000/150
386 DECstation 5000/260 397 DECstation 5000/260
387 DECsystem 5900/260 398 DECsystem 5900/260
388 399
389 otherwise choose R3000. 400 otherwise choose R3000.
390 401
391 config MACH_JAZZ 402 config MACH_JAZZ
392 bool "Jazz family of machines" 403 bool "Jazz family of machines"
393 select ARC_MEMORY 404 select ARC_MEMORY
394 select ARC_PROMLIB 405 select ARC_PROMLIB
395 select ARCH_MIGHT_HAVE_PC_PARPORT 406 select ARCH_MIGHT_HAVE_PC_PARPORT
396 select ARCH_MIGHT_HAVE_PC_SERIO 407 select ARCH_MIGHT_HAVE_PC_SERIO
>> 408 select DMA_OPS
397 select FW_ARC 409 select FW_ARC
398 select FW_ARC32 410 select FW_ARC32
399 select ARCH_MAY_HAVE_PC_FDC 411 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 412 select CEVT_R4K
401 select CSRC_R4K 413 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 414 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 415 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM 416 select HAVE_PCSPKR_PLATFORM
405 select IRQ_MIPS_CPU 417 select IRQ_MIPS_CPU
406 select I8253 418 select I8253
407 select I8259 419 select I8259
408 select ISA 420 select ISA
409 select SYS_HAS_CPU_R4X00 421 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 422 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL 423 select SYS_SUPPORTS_64BIT_KERNEL
412 select SYS_SUPPORTS_100HZ 424 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN 425 select SYS_SUPPORTS_LITTLE_ENDIAN
414 help 426 help
415 This a family of machines based on t 427 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS 428 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS 429 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. 430 Olivetti M700-10 workstations.
419 431
420 config MACH_INGENIC_SOC 432 config MACH_INGENIC_SOC
421 bool "Ingenic SoC based machines" 433 bool "Ingenic SoC based machines"
422 select MIPS_GENERIC 434 select MIPS_GENERIC
423 select MACH_INGENIC 435 select MACH_INGENIC
424 select MACH_GENERIC_CORE <<
425 select SYS_SUPPORTS_ZBOOT_UART16550 436 select SYS_SUPPORTS_ZBOOT_UART16550
426 select CPU_SUPPORTS_CPUFREQ 437 select CPU_SUPPORTS_CPUFREQ
427 select MIPS_EXTERNAL_TIMER 438 select MIPS_EXTERNAL_TIMER
428 439
429 config LANTIQ 440 config LANTIQ
430 bool "Lantiq based platforms" 441 bool "Lantiq based platforms"
431 select DMA_NONCOHERENT 442 select DMA_NONCOHERENT
432 select IRQ_MIPS_CPU 443 select IRQ_MIPS_CPU
433 select CEVT_R4K 444 select CEVT_R4K
434 select CSRC_R4K 445 select CSRC_R4K
435 select NO_EXCEPT_FILL 446 select NO_EXCEPT_FILL
436 select SYS_HAS_CPU_MIPS32_R1 447 select SYS_HAS_CPU_MIPS32_R1
437 select SYS_HAS_CPU_MIPS32_R2 448 select SYS_HAS_CPU_MIPS32_R2
438 select SYS_SUPPORTS_BIG_ENDIAN 449 select SYS_SUPPORTS_BIG_ENDIAN
439 select SYS_SUPPORTS_32BIT_KERNEL 450 select SYS_SUPPORTS_32BIT_KERNEL
440 select SYS_SUPPORTS_MIPS16 451 select SYS_SUPPORTS_MIPS16
441 select SYS_SUPPORTS_MULTITHREADING 452 select SYS_SUPPORTS_MULTITHREADING
442 select SYS_SUPPORTS_VPE_LOADER 453 select SYS_SUPPORTS_VPE_LOADER
443 select SYS_HAS_EARLY_PRINTK 454 select SYS_HAS_EARLY_PRINTK
444 select GPIOLIB 455 select GPIOLIB
445 select SWAP_IO_SPACE 456 select SWAP_IO_SPACE
446 select BOOT_RAW 457 select BOOT_RAW
447 select HAVE_LEGACY_CLK 458 select HAVE_LEGACY_CLK
448 select USE_OF 459 select USE_OF
449 select PINCTRL 460 select PINCTRL
450 select PINCTRL_LANTIQ 461 select PINCTRL_LANTIQ
451 select ARCH_HAS_RESET_CONTROLLER 462 select ARCH_HAS_RESET_CONTROLLER
452 select RESET_CONTROLLER 463 select RESET_CONTROLLER
453 464
454 config MACH_LOONGSON32 465 config MACH_LOONGSON32
455 bool "Loongson 32-bit family of machin 466 bool "Loongson 32-bit family of machines"
456 select SYS_SUPPORTS_ZBOOT 467 select SYS_SUPPORTS_ZBOOT
457 help 468 help
458 This enables support for the Loongso 469 This enables support for the Loongson-1 family of machines.
459 470
460 Loongson-1 is a family of 32-bit MIP 471 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461 the Institute of Computing Technolog 472 the Institute of Computing Technology (ICT), Chinese Academy of
462 Sciences (CAS). 473 Sciences (CAS).
463 474
464 config MACH_LOONGSON2EF 475 config MACH_LOONGSON2EF
465 bool "Loongson-2E/F family of machines 476 bool "Loongson-2E/F family of machines"
466 select SYS_SUPPORTS_ZBOOT 477 select SYS_SUPPORTS_ZBOOT
467 help 478 help
468 This enables the support of early Lo 479 This enables the support of early Loongson-2E/F family of machines.
469 480
470 config MACH_LOONGSON64 481 config MACH_LOONGSON64
471 bool "Loongson 64-bit family of machin 482 bool "Loongson 64-bit family of machines"
472 select ARCH_DMA_DEFAULT_COHERENT <<
473 select ARCH_SPARSEMEM_ENABLE 483 select ARCH_SPARSEMEM_ENABLE
474 select ARCH_MIGHT_HAVE_PC_PARPORT 484 select ARCH_MIGHT_HAVE_PC_PARPORT
475 select ARCH_MIGHT_HAVE_PC_SERIO 485 select ARCH_MIGHT_HAVE_PC_SERIO
476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 486 select GENERIC_ISA_DMA_SUPPORT_BROKEN
477 select BOOT_ELF32 487 select BOOT_ELF32
478 select BOARD_SCACHE 488 select BOARD_SCACHE
479 select CSRC_R4K 489 select CSRC_R4K
480 select CEVT_R4K 490 select CEVT_R4K
481 select SYNC_R4K <<
482 select FORCE_PCI 491 select FORCE_PCI
483 select ISA 492 select ISA
484 select I8259 493 select I8259
485 select IRQ_MIPS_CPU 494 select IRQ_MIPS_CPU
486 select NO_EXCEPT_FILL 495 select NO_EXCEPT_FILL
487 select NR_CPUS_DEFAULT_64 496 select NR_CPUS_DEFAULT_64
488 select USE_GENERIC_EARLY_PRINTK_8250 497 select USE_GENERIC_EARLY_PRINTK_8250
489 select PCI_DRIVERS_GENERIC 498 select PCI_DRIVERS_GENERIC
490 select SYS_HAS_CPU_LOONGSON64 499 select SYS_HAS_CPU_LOONGSON64
491 select SYS_HAS_EARLY_PRINTK 500 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP 501 select SYS_SUPPORTS_SMP
493 select SYS_SUPPORTS_HOTPLUG_CPU 502 select SYS_SUPPORTS_HOTPLUG_CPU
494 select SYS_SUPPORTS_NUMA 503 select SYS_SUPPORTS_NUMA
495 select SYS_SUPPORTS_64BIT_KERNEL 504 select SYS_SUPPORTS_64BIT_KERNEL
496 select SYS_SUPPORTS_HIGHMEM 505 select SYS_SUPPORTS_HIGHMEM
497 select SYS_SUPPORTS_LITTLE_ENDIAN 506 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT 507 select SYS_SUPPORTS_ZBOOT
499 select SYS_SUPPORTS_RELOCATABLE 508 select SYS_SUPPORTS_RELOCATABLE
500 select ZONE_DMA32 509 select ZONE_DMA32
501 select COMMON_CLK 510 select COMMON_CLK
502 select USE_OF 511 select USE_OF
503 select BUILTIN_DTB 512 select BUILTIN_DTB
504 select PCI_HOST_GENERIC 513 select PCI_HOST_GENERIC
>> 514 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505 help 515 help
506 This enables the support of Loongson 516 This enables the support of Loongson-2/3 family of machines.
507 517
508 Loongson-2 and Loongson-3 are 64-bit 518 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509 GS264/GS464/GS464E/GS464V microarchi 519 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510 and Loongson-2F which will be remove 520 and Loongson-2F which will be removed), developed by the Institute
511 of Computing Technology (ICT), Chine 521 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512 522
513 config MIPS_MALTA 523 config MIPS_MALTA
514 bool "MIPS Malta board" 524 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 525 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT 526 select ARCH_MIGHT_HAVE_PC_PARPORT
517 select ARCH_MIGHT_HAVE_PC_SERIO 527 select ARCH_MIGHT_HAVE_PC_SERIO
518 select BOOT_ELF32 528 select BOOT_ELF32
519 select BOOT_RAW 529 select BOOT_RAW
520 select BUILTIN_DTB 530 select BUILTIN_DTB
521 select CEVT_R4K 531 select CEVT_R4K
522 select CLKSRC_MIPS_GIC 532 select CLKSRC_MIPS_GIC
523 select COMMON_CLK 533 select COMMON_CLK
524 select CSRC_R4K 534 select CSRC_R4K
525 select DMA_NONCOHERENT 535 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 536 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM 537 select HAVE_PCSPKR_PLATFORM
528 select HAVE_PCI 538 select HAVE_PCI
529 select I8253 539 select I8253
530 select I8259 540 select I8259
531 select IRQ_MIPS_CPU 541 select IRQ_MIPS_CPU
532 select MIPS_BONITO64 542 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 543 select MIPS_CPU_SCACHE
534 select MIPS_GIC 544 select MIPS_GIC
535 select MIPS_L1_CACHE_SHIFT_6 545 select MIPS_L1_CACHE_SHIFT_6
536 select MIPS_MSC 546 select MIPS_MSC
537 select PCI_GT64XXX_PCI0 547 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP 548 select SMP_UP if SMP
539 select SWAP_IO_SPACE 549 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 550 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 551 select SYS_HAS_CPU_MIPS32_R2
542 select SYS_HAS_CPU_MIPS32_R3_5 552 select SYS_HAS_CPU_MIPS32_R3_5
543 select SYS_HAS_CPU_MIPS32_R5 553 select SYS_HAS_CPU_MIPS32_R5
544 select SYS_HAS_CPU_MIPS32_R6 554 select SYS_HAS_CPU_MIPS32_R6
545 select SYS_HAS_CPU_MIPS64_R1 555 select SYS_HAS_CPU_MIPS64_R1
546 select SYS_HAS_CPU_MIPS64_R2 556 select SYS_HAS_CPU_MIPS64_R2
547 select SYS_HAS_CPU_MIPS64_R6 557 select SYS_HAS_CPU_MIPS64_R6
548 select SYS_HAS_CPU_NEVADA 558 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 559 select SYS_HAS_CPU_RM7000
550 select SYS_SUPPORTS_32BIT_KERNEL 560 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 561 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 562 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM 563 select SYS_SUPPORTS_HIGHMEM
554 select SYS_SUPPORTS_LITTLE_ENDIAN 564 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS 565 select SYS_SUPPORTS_MICROMIPS
556 select SYS_SUPPORTS_MIPS16 566 select SYS_SUPPORTS_MIPS16
557 select SYS_SUPPORTS_MIPS_CPS 567 select SYS_SUPPORTS_MIPS_CPS
558 select SYS_SUPPORTS_MULTITHREADING 568 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE 569 select SYS_SUPPORTS_RELOCATABLE
560 select SYS_SUPPORTS_SMARTMIPS 570 select SYS_SUPPORTS_SMARTMIPS
561 select SYS_SUPPORTS_VPE_LOADER 571 select SYS_SUPPORTS_VPE_LOADER
562 select SYS_SUPPORTS_ZBOOT 572 select SYS_SUPPORTS_ZBOOT
563 select USE_OF 573 select USE_OF
564 select WAR_ICACHE_REFILLS 574 select WAR_ICACHE_REFILLS
565 select ZONE_DMA32 if 64BIT 575 select ZONE_DMA32 if 64BIT
566 help 576 help
567 This enables support for the MIPS Te 577 This enables support for the MIPS Technologies Malta evaluation
568 board. 578 board.
569 579
570 config MACH_PIC32 580 config MACH_PIC32
571 bool "Microchip PIC32 Family" 581 bool "Microchip PIC32 Family"
572 help 582 help
573 This enables support for the Microch 583 This enables support for the Microchip PIC32 family of platforms.
574 584
575 Microchip PIC32 is a family of gener 585 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576 microcontrollers. 586 microcontrollers.
577 587
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 588 config MACH_NINTENDO64
623 bool "Nintendo 64 console" 589 bool "Nintendo 64 console"
624 select CEVT_R4K 590 select CEVT_R4K
625 select CSRC_R4K 591 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 592 select SYS_HAS_CPU_R4300
627 select SYS_SUPPORTS_BIG_ENDIAN 593 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_ZBOOT 594 select SYS_SUPPORTS_ZBOOT
629 select SYS_SUPPORTS_32BIT_KERNEL 595 select SYS_SUPPORTS_32BIT_KERNEL
630 select SYS_SUPPORTS_64BIT_KERNEL 596 select SYS_SUPPORTS_64BIT_KERNEL
631 select DMA_NONCOHERENT 597 select DMA_NONCOHERENT
632 select IRQ_MIPS_CPU 598 select IRQ_MIPS_CPU
633 599
634 config RALINK 600 config RALINK
635 bool "Ralink based machines" 601 bool "Ralink based machines"
636 select CEVT_R4K 602 select CEVT_R4K
637 select COMMON_CLK 603 select COMMON_CLK
638 select CSRC_R4K 604 select CSRC_R4K
639 select BOOT_RAW 605 select BOOT_RAW
640 select DMA_NONCOHERENT 606 select DMA_NONCOHERENT
641 select IRQ_MIPS_CPU 607 select IRQ_MIPS_CPU
642 select USE_OF 608 select USE_OF
643 select SYS_HAS_CPU_MIPS32_R2 609 select SYS_HAS_CPU_MIPS32_R2
644 select SYS_SUPPORTS_32BIT_KERNEL 610 select SYS_SUPPORTS_32BIT_KERNEL
645 select SYS_SUPPORTS_LITTLE_ENDIAN 611 select SYS_SUPPORTS_LITTLE_ENDIAN
646 select SYS_SUPPORTS_MIPS16 612 select SYS_SUPPORTS_MIPS16
647 select SYS_SUPPORTS_ZBOOT 613 select SYS_SUPPORTS_ZBOOT
648 select SYS_HAS_EARLY_PRINTK 614 select SYS_HAS_EARLY_PRINTK
649 select ARCH_HAS_RESET_CONTROLLER 615 select ARCH_HAS_RESET_CONTROLLER
650 select RESET_CONTROLLER 616 select RESET_CONTROLLER
651 617
652 config MACH_REALTEK_RTL 618 config MACH_REALTEK_RTL
653 bool "Realtek RTL838x/RTL839x based ma 619 bool "Realtek RTL838x/RTL839x based machines"
654 select MIPS_GENERIC 620 select MIPS_GENERIC
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 621 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU 622 select IRQ_MIPS_CPU
658 select CSRC_R4K 623 select CSRC_R4K
659 select CEVT_R4K 624 select CEVT_R4K
660 select SYS_HAS_CPU_MIPS32_R1 625 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 626 select SYS_HAS_CPU_MIPS32_R2
662 select SYS_SUPPORTS_BIG_ENDIAN 627 select SYS_SUPPORTS_BIG_ENDIAN
663 select SYS_SUPPORTS_32BIT_KERNEL 628 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 629 select SYS_SUPPORTS_MIPS16
665 select SYS_SUPPORTS_MULTITHREADING 630 select SYS_SUPPORTS_MULTITHREADING
666 select SYS_SUPPORTS_VPE_LOADER 631 select SYS_SUPPORTS_VPE_LOADER
667 select BOOT_RAW 632 select BOOT_RAW
668 select PINCTRL 633 select PINCTRL
669 select USE_OF 634 select USE_OF
670 select REALTEK_OTTO_TIMER <<
671 635
672 config SGI_IP22 636 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 637 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY 638 select ARC_MEMORY
675 select ARC_PROMLIB 639 select ARC_PROMLIB
676 select FW_ARC 640 select FW_ARC
677 select FW_ARC32 641 select FW_ARC32
678 select ARCH_MIGHT_HAVE_PC_SERIO 642 select ARCH_MIGHT_HAVE_PC_SERIO
679 select BOOT_ELF32 643 select BOOT_ELF32
680 select CEVT_R4K 644 select CEVT_R4K
681 select CSRC_R4K 645 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 646 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 647 select DMA_NONCOHERENT
684 select HAVE_EISA 648 select HAVE_EISA
685 select I8253 649 select I8253
686 select I8259 650 select I8259
687 select IP22_CPU_SCACHE 651 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU 652 select IRQ_MIPS_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 653 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 654 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 655 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 656 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 657 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 658 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 659 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 660 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 661 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 662 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK 663 select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 664 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 665 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 666 select SYS_SUPPORTS_BIG_ENDIAN
703 select WAR_R4600_V1_INDEX_ICACHEOP 667 select WAR_R4600_V1_INDEX_ICACHEOP
704 select WAR_R4600_V1_HIT_CACHEOP 668 select WAR_R4600_V1_HIT_CACHEOP
705 select WAR_R4600_V2_HIT_CACHEOP 669 select WAR_R4600_V2_HIT_CACHEOP
706 select MIPS_L1_CACHE_SHIFT_7 670 select MIPS_L1_CACHE_SHIFT_7
707 help 671 help
708 This are the SGI Indy, Challenge S a 672 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 673 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 674 that runs on these, say Y here.
711 675
712 config SGI_IP27 676 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 677 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA 678 select ARCH_HAS_PHYS_TO_DMA
715 select ARCH_SPARSEMEM_ENABLE 679 select ARCH_SPARSEMEM_ENABLE
716 select FW_ARC 680 select FW_ARC
717 select FW_ARC64 681 select FW_ARC64
718 select ARC_CMDLINE_ONLY 682 select ARC_CMDLINE_ONLY
719 select BOOT_ELF64 683 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 684 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI 685 select FORCE_PCI
722 select SYS_HAS_EARLY_PRINTK 686 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI 687 select HAVE_PCI
724 select IRQ_MIPS_CPU 688 select IRQ_MIPS_CPU
725 select IRQ_DOMAIN_HIERARCHY 689 select IRQ_DOMAIN_HIERARCHY
726 select NR_CPUS_DEFAULT_64 690 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC 691 select PCI_DRIVERS_GENERIC
728 select PCI_XTALK_BRIDGE 692 select PCI_XTALK_BRIDGE
729 select SYS_HAS_CPU_R10000 693 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 694 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 695 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 696 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 697 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC 698 select WAR_R10000_LLSC
735 select MIPS_L1_CACHE_SHIFT_7 699 select MIPS_L1_CACHE_SHIFT_7
736 select NUMA 700 select NUMA
>> 701 select HAVE_ARCH_NODEDATA_EXTENSION
737 help 702 help
738 This are the SGI Origin 200, Origin 703 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 704 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 705 here.
741 706
742 config SGI_IP28 707 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" 708 bool "SGI IP28 (Indigo2 R10k)"
744 select ARC_MEMORY 709 select ARC_MEMORY
745 select ARC_PROMLIB 710 select ARC_PROMLIB
746 select FW_ARC 711 select FW_ARC
747 select FW_ARC64 712 select FW_ARC64
748 select ARCH_MIGHT_HAVE_PC_SERIO 713 select ARCH_MIGHT_HAVE_PC_SERIO
749 select BOOT_ELF64 714 select BOOT_ELF64
750 select CEVT_R4K 715 select CEVT_R4K
751 select CSRC_R4K 716 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 717 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 718 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 719 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU 720 select IRQ_MIPS_CPU
756 select HAVE_EISA 721 select HAVE_EISA
757 select I8253 722 select I8253
758 select I8259 723 select I8259
759 select SGI_HAS_I8042 724 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 725 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 726 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 727 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 728 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 729 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 730 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 731 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK 732 select SYS_HAS_EARLY_PRINTK
768 select SYS_SUPPORTS_64BIT_KERNEL 733 select SYS_SUPPORTS_64BIT_KERNEL
769 select SYS_SUPPORTS_BIG_ENDIAN 734 select SYS_SUPPORTS_BIG_ENDIAN
770 select WAR_R10000_LLSC 735 select WAR_R10000_LLSC
771 select MIPS_L1_CACHE_SHIFT_7 736 select MIPS_L1_CACHE_SHIFT_7
772 help 737 help
773 This is the SGI Indigo2 with R10000 738 This is the SGI Indigo2 with R10000 processor. To compile a Linux
774 kernel that runs on these, say Y her 739 kernel that runs on these, say Y here.
775 740
776 config SGI_IP30 741 config SGI_IP30
777 bool "SGI IP30 (Octane/Octane2)" 742 bool "SGI IP30 (Octane/Octane2)"
778 select ARCH_HAS_PHYS_TO_DMA 743 select ARCH_HAS_PHYS_TO_DMA
779 select FW_ARC 744 select FW_ARC
780 select FW_ARC64 745 select FW_ARC64
781 select BOOT_ELF64 746 select BOOT_ELF64
782 select CEVT_R4K 747 select CEVT_R4K
783 select CSRC_R4K 748 select CSRC_R4K
784 select FORCE_PCI 749 select FORCE_PCI
785 select SYNC_R4K if SMP 750 select SYNC_R4K if SMP
786 select ZONE_DMA32 751 select ZONE_DMA32
787 select HAVE_PCI 752 select HAVE_PCI
788 select IRQ_MIPS_CPU 753 select IRQ_MIPS_CPU
789 select IRQ_DOMAIN_HIERARCHY 754 select IRQ_DOMAIN_HIERARCHY
790 select PCI_DRIVERS_GENERIC 755 select PCI_DRIVERS_GENERIC
791 select PCI_XTALK_BRIDGE 756 select PCI_XTALK_BRIDGE
792 select SYS_HAS_EARLY_PRINTK 757 select SYS_HAS_EARLY_PRINTK
793 select SYS_HAS_CPU_R10000 758 select SYS_HAS_CPU_R10000
794 select SYS_SUPPORTS_64BIT_KERNEL 759 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 760 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP 761 select SYS_SUPPORTS_SMP
797 select WAR_R10000_LLSC 762 select WAR_R10000_LLSC
798 select MIPS_L1_CACHE_SHIFT_7 763 select MIPS_L1_CACHE_SHIFT_7
799 select ARC_MEMORY 764 select ARC_MEMORY
800 help 765 help
801 These are the SGI Octane and Octane2 766 These are the SGI Octane and Octane2 graphics workstations. To
802 compile a Linux kernel that runs on 767 compile a Linux kernel that runs on these, say Y here.
803 768
804 config SGI_IP32 769 config SGI_IP32
805 bool "SGI IP32 (O2)" 770 bool "SGI IP32 (O2)"
806 select ARC_MEMORY 771 select ARC_MEMORY
807 select ARC_PROMLIB 772 select ARC_PROMLIB
808 select ARCH_HAS_PHYS_TO_DMA 773 select ARCH_HAS_PHYS_TO_DMA
809 select FW_ARC 774 select FW_ARC
810 select FW_ARC32 775 select FW_ARC32
811 select BOOT_ELF32 776 select BOOT_ELF32
812 select CEVT_R4K 777 select CEVT_R4K
813 select CSRC_R4K 778 select CSRC_R4K
814 select DMA_NONCOHERENT 779 select DMA_NONCOHERENT
815 select HAVE_PCI 780 select HAVE_PCI
816 select IRQ_MIPS_CPU 781 select IRQ_MIPS_CPU
817 select R5000_CPU_SCACHE 782 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 783 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 784 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 785 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 786 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 787 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 788 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 789 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS 790 select WAR_ICACHE_REFILLS
826 help 791 help
827 If you want this kernel to run on SG 792 If you want this kernel to run on SGI O2 workstation, say Y here.
828 793
829 config SIBYTE_CRHONE 794 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 795 bool "Sibyte BCM91125C-CRhone"
831 select BOOT_ELF32 796 select BOOT_ELF32
832 select SIBYTE_BCM1125 797 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 798 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 799 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 800 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 801 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 802 select SYS_SUPPORTS_LITTLE_ENDIAN
838 803
839 config SIBYTE_RHONE 804 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 805 bool "Sibyte BCM91125E-Rhone"
841 select BOOT_ELF32 806 select BOOT_ELF32
842 select SIBYTE_SB1250 807 select SIBYTE_SB1250
843 select SWAP_IO_SPACE 808 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 809 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 810 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 811 select SYS_SUPPORTS_LITTLE_ENDIAN
847 812
848 config SIBYTE_SWARM 813 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 814 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 815 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM 816 select HAVE_PATA_PLATFORM
852 select SIBYTE_SB1250 817 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 818 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 819 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 820 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 821 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 822 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 823 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 824 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860 825
861 config SIBYTE_LITTLESUR 826 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 827 bool "Sibyte BCM91250C2-LittleSur"
863 select BOOT_ELF32 828 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM 829 select HAVE_PATA_PLATFORM
865 select SIBYTE_SB1250 830 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 831 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 832 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 833 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 834 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 835 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT 836 select ZONE_DMA32 if 64BIT
872 837
873 config SIBYTE_SENTOSA 838 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 839 bool "Sibyte BCM91250E-Sentosa"
875 select BOOT_ELF32 840 select BOOT_ELF32
876 select SIBYTE_SB1250 841 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 842 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 843 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 844 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 845 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 846 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882 847
883 config SIBYTE_BIGSUR 848 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 849 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 850 select BOOT_ELF32
886 select NR_CPUS_DEFAULT_4 851 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 852 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 853 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 854 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 855 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 856 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 857 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 858 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 859 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895 860
896 config SNI_RM 861 config SNI_RM
897 bool "SNI RM200/300/400" 862 bool "SNI RM200/300/400"
898 select ARC_MEMORY 863 select ARC_MEMORY
899 select ARC_PROMLIB 864 select ARC_PROMLIB
900 select FW_ARC if CPU_LITTLE_ENDIAN 865 select FW_ARC if CPU_LITTLE_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN 866 select FW_ARC32 if CPU_LITTLE_ENDIAN
902 select FW_SNIPROM if CPU_BIG_ENDIAN 867 select FW_SNIPROM if CPU_BIG_ENDIAN
903 select ARCH_MAY_HAVE_PC_FDC 868 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT 869 select ARCH_MIGHT_HAVE_PC_PARPORT
905 select ARCH_MIGHT_HAVE_PC_SERIO 870 select ARCH_MIGHT_HAVE_PC_SERIO
906 select BOOT_ELF32 871 select BOOT_ELF32
907 select CEVT_R4K 872 select CEVT_R4K
908 select CSRC_R4K 873 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 874 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 875 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 876 select GENERIC_ISA_DMA
912 select HAVE_EISA 877 select HAVE_EISA
913 select HAVE_PCSPKR_PLATFORM 878 select HAVE_PCSPKR_PLATFORM
914 select HAVE_PCI 879 select HAVE_PCI
915 select IRQ_MIPS_CPU 880 select IRQ_MIPS_CPU
916 select I8253 881 select I8253
917 select I8259 882 select I8259
918 select ISA 883 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 884 select MIPS_L1_CACHE_SHIFT_6
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 885 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 886 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 887 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 888 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 889 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 890 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 891 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL 892 select SYS_SUPPORTS_64BIT_KERNEL
928 select SYS_SUPPORTS_BIG_ENDIAN 893 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 894 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 895 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP 896 select WAR_R4600_V2_HIT_CACHEOP
932 help 897 help
933 The SNI RM200/300/400 are MIPS-based 898 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 899 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 900 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 901 support this machine type.
937 902
938 config MACH_TX49XX 903 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 904 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV 905 select WAR_TX49XX_ICACHE_INDEX_INV
941 906
942 config MIKROTIK_RB532 907 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 908 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 909 select CEVT_R4K
945 select CSRC_R4K 910 select CSRC_R4K
946 select DMA_NONCOHERENT 911 select DMA_NONCOHERENT
947 select HAVE_PCI 912 select HAVE_PCI
948 select IRQ_MIPS_CPU 913 select IRQ_MIPS_CPU
949 select SYS_HAS_CPU_MIPS32_R1 914 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 915 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 916 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 917 select SWAP_IO_SPACE
953 select BOOT_RAW 918 select BOOT_RAW
954 select GPIOLIB 919 select GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 920 select MIPS_L1_CACHE_SHIFT_4
956 help 921 help
957 Support the Mikrotik(tm) RouterBoard 922 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 923 based on the IDT RC32434 SoC.
959 924
960 config CAVIUM_OCTEON_SOC 925 config CAVIUM_OCTEON_SOC
961 bool "Cavium Networks Octeon SoC based 926 bool "Cavium Networks Octeon SoC based boards"
962 select CEVT_R4K 927 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA 928 select ARCH_HAS_PHYS_TO_DMA
964 select HAVE_RAPIDIO 929 select HAVE_RAPIDIO
965 select PHYS_ADDR_T_64BIT 930 select PHYS_ADDR_T_64BIT
966 select SYS_SUPPORTS_64BIT_KERNEL 931 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 932 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT 933 select EDAC_SUPPORT
969 select EDAC_ATOMIC_SCRUB 934 select EDAC_ATOMIC_SCRUB
970 select SYS_SUPPORTS_LITTLE_ENDIAN 935 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 936 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972 select SYS_HAS_EARLY_PRINTK 937 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 938 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI 939 select HAVE_PCI
975 select HAVE_PLAT_DELAY 940 select HAVE_PLAT_DELAY
976 select HAVE_PLAT_FW_INIT_CMDLINE 941 select HAVE_PLAT_FW_INIT_CMDLINE
977 select HAVE_PLAT_MEMCPY 942 select HAVE_PLAT_MEMCPY
978 select ZONE_DMA32 943 select ZONE_DMA32
979 select GPIOLIB 944 select GPIOLIB
980 select USE_OF 945 select USE_OF
981 select ARCH_SPARSEMEM_ENABLE 946 select ARCH_SPARSEMEM_ENABLE
982 select SYS_SUPPORTS_SMP 947 select SYS_SUPPORTS_SMP
983 select NR_CPUS_DEFAULT_64 948 select NR_CPUS_DEFAULT_64
984 select MIPS_NR_CPU_NR_MAP_1024 949 select MIPS_NR_CPU_NR_MAP_1024
985 select BUILTIN_DTB 950 select BUILTIN_DTB
986 select MTD 951 select MTD
987 select MTD_COMPLEX_MAPPINGS 952 select MTD_COMPLEX_MAPPINGS
988 select SWIOTLB 953 select SWIOTLB
989 select SYS_SUPPORTS_RELOCATABLE 954 select SYS_SUPPORTS_RELOCATABLE
990 help 955 help
991 This option supports all of the Octe 956 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 957 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 958 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 959 Some of the supported boards are:
995 EBT3000 960 EBT3000
996 EBH3000 961 EBH3000
997 EBH3100 962 EBH3100
998 Thunder 963 Thunder
999 Kodama 964 Kodama
1000 Hikari 965 Hikari
1001 Say Y here for most Octeon referenc 966 Say Y here for most Octeon reference boards.
1002 967
1003 endchoice 968 endchoice
1004 969
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" 970 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" 971 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig" 972 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig" 973 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig" 974 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig" 975 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig" 976 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig" 977 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig" 978 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" 979 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" <<
1025 source "arch/mips/pic32/Kconfig" 980 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig" 981 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig" 982 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 983 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 984 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 985 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" 986 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" 987 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig" 988 source "arch/mips/loongson64/Kconfig"
1034 989
1035 endmenu 990 endmenu
1036 991
1037 config GENERIC_HWEIGHT 992 config GENERIC_HWEIGHT
1038 bool 993 bool
1039 default y 994 default y
1040 995
1041 config GENERIC_CALIBRATE_DELAY 996 config GENERIC_CALIBRATE_DELAY
1042 bool 997 bool
1043 default y 998 default y
1044 999
1045 config SCHED_OMIT_FRAME_POINTER 1000 config SCHED_OMIT_FRAME_POINTER
1046 bool 1001 bool
1047 default y 1002 default y
1048 1003
1049 # 1004 #
1050 # Select some configuration options automatic 1005 # Select some configuration options automatically based on user selections.
1051 # 1006 #
1052 config FW_ARC 1007 config FW_ARC
1053 bool 1008 bool
1054 1009
1055 config ARCH_MAY_HAVE_PC_FDC 1010 config ARCH_MAY_HAVE_PC_FDC
1056 bool 1011 bool
1057 1012
1058 config BOOT_RAW 1013 config BOOT_RAW
1059 bool 1014 bool
1060 1015
1061 config CEVT_BCM1480 1016 config CEVT_BCM1480
1062 bool 1017 bool
1063 1018
1064 config CEVT_DS1287 1019 config CEVT_DS1287
1065 bool 1020 bool
1066 1021
1067 config CEVT_GT641XX 1022 config CEVT_GT641XX
1068 bool 1023 bool
1069 1024
1070 config CEVT_R4K 1025 config CEVT_R4K
1071 bool 1026 bool
1072 1027
1073 config CEVT_SB1250 1028 config CEVT_SB1250
1074 bool 1029 bool
1075 1030
1076 config CEVT_TXX9 1031 config CEVT_TXX9
1077 bool 1032 bool
1078 1033
1079 config CSRC_BCM1480 1034 config CSRC_BCM1480
1080 bool 1035 bool
1081 1036
1082 config CSRC_IOASIC 1037 config CSRC_IOASIC
1083 bool 1038 bool
1084 1039
1085 config CSRC_R4K 1040 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1041 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 1042 bool
1089 1043
1090 config CSRC_SB1250 1044 config CSRC_SB1250
1091 bool 1045 bool
1092 1046
1093 config MIPS_CLOCK_VSYSCALL 1047 config MIPS_CLOCK_VSYSCALL
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1048 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095 1049
1096 config GPIO_TXX9 1050 config GPIO_TXX9
1097 select GPIOLIB 1051 select GPIOLIB
1098 bool 1052 bool
1099 1053
1100 config FW_CFE 1054 config FW_CFE
1101 bool 1055 bool
1102 1056
1103 config ARCH_SUPPORTS_UPROBES 1057 config ARCH_SUPPORTS_UPROBES
1104 def_bool y 1058 def_bool y
1105 1059
1106 config DMA_NONCOHERENT 1060 config DMA_NONCOHERENT
1107 bool 1061 bool
1108 # 1062 #
1109 # MIPS allows mixing "slightly differ 1063 # MIPS allows mixing "slightly different" Cacheability and Coherency
1110 # Attribute bits. It is believed tha 1064 # Attribute bits. It is believed that the uncached access through
1111 # KSEG1 and the implementation specif 1065 # KSEG1 and the implementation specific "uncached accelerated" used
1112 # by pgprot_writcombine can be mixed, 1066 # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113 # significant advantages. 1067 # significant advantages.
1114 # 1068 #
1115 select ARCH_HAS_SETUP_DMA_OPS 1069 select ARCH_HAS_SETUP_DMA_OPS
1116 select ARCH_HAS_DMA_WRITE_COMBINE 1070 select ARCH_HAS_DMA_WRITE_COMBINE
1117 select ARCH_HAS_DMA_PREP_COHERENT 1071 select ARCH_HAS_DMA_PREP_COHERENT
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU 1072 select ARCH_HAS_SYNC_DMA_FOR_CPU
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1073 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120 select ARCH_HAS_DMA_SET_UNCACHED 1074 select ARCH_HAS_DMA_SET_UNCACHED
1121 select DMA_NONCOHERENT_MMAP 1075 select DMA_NONCOHERENT_MMAP
1122 select NEED_DMA_MAP_STATE 1076 select NEED_DMA_MAP_STATE
1123 1077
1124 config SYS_HAS_EARLY_PRINTK 1078 config SYS_HAS_EARLY_PRINTK
1125 bool 1079 bool
1126 1080
1127 config SYS_SUPPORTS_HOTPLUG_CPU 1081 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 1082 bool
1129 1083
1130 config MIPS_BONITO64 1084 config MIPS_BONITO64
1131 bool 1085 bool
1132 1086
1133 config MIPS_MSC 1087 config MIPS_MSC
1134 bool 1088 bool
1135 1089
1136 config SYNC_R4K 1090 config SYNC_R4K
1137 bool 1091 bool
1138 1092
1139 config NO_IOPORT_MAP 1093 config NO_IOPORT_MAP
1140 def_bool n 1094 def_bool n
1141 1095
1142 config GENERIC_CSUM 1096 config GENERIC_CSUM
1143 def_bool CPU_NO_LOAD_STORE_LR 1097 def_bool CPU_NO_LOAD_STORE_LR
1144 1098
1145 config GENERIC_ISA_DMA 1099 config GENERIC_ISA_DMA
1146 bool 1100 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1101 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API 1102 select ISA_DMA_API
1149 1103
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1104 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 1105 bool
1152 select GENERIC_ISA_DMA 1106 select GENERIC_ISA_DMA
1153 1107
1154 config HAVE_PLAT_DELAY 1108 config HAVE_PLAT_DELAY
1155 bool 1109 bool
1156 1110
1157 config HAVE_PLAT_FW_INIT_CMDLINE 1111 config HAVE_PLAT_FW_INIT_CMDLINE
1158 bool 1112 bool
1159 1113
1160 config HAVE_PLAT_MEMCPY 1114 config HAVE_PLAT_MEMCPY
1161 bool 1115 bool
1162 1116
1163 config ISA_DMA_API 1117 config ISA_DMA_API
1164 bool 1118 bool
1165 1119
1166 config SYS_SUPPORTS_RELOCATABLE 1120 config SYS_SUPPORTS_RELOCATABLE
1167 bool 1121 bool
1168 help 1122 help
1169 Selected if the platform supports r 1123 Selected if the platform supports relocating the kernel.
1170 The platform must provide plat_get_ 1124 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171 to allow access to command line and 1125 to allow access to command line and entropy sources.
1172 1126
1173 # 1127 #
1174 # Endianness selection. Sufficiently obscure 1128 # Endianness selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 1129 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 1130 # choice statement should be more obvious to the user.
1177 # 1131 #
1178 choice 1132 choice
1179 prompt "Endianness selection" 1133 prompt "Endianness selection"
1180 help 1134 help
1181 Some MIPS machines can be configure 1135 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 1136 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 1137 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 1138 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 1139 one or the other endianness.
1186 1140
1187 config CPU_BIG_ENDIAN 1141 config CPU_BIG_ENDIAN
1188 bool "Big endian" 1142 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1143 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 1144
1191 config CPU_LITTLE_ENDIAN 1145 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 1146 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1147 depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194 1148
1195 endchoice 1149 endchoice
1196 1150
1197 config EXPORT_UASM 1151 config EXPORT_UASM
1198 bool 1152 bool
1199 1153
1200 config SYS_SUPPORTS_APM_EMULATION 1154 config SYS_SUPPORTS_APM_EMULATION
1201 bool 1155 bool
1202 1156
1203 config SYS_SUPPORTS_BIG_ENDIAN 1157 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 1158 bool
1205 1159
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1160 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 1161 bool
1208 1162
1209 config MIPS_HUGE_TLB_SUPPORT 1163 config MIPS_HUGE_TLB_SUPPORT
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1164 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211 1165
1212 config IRQ_TXX9 1166 config IRQ_TXX9
1213 bool 1167 bool
1214 1168
1215 config IRQ_GT641XX 1169 config IRQ_GT641XX
1216 bool 1170 bool
1217 1171
1218 config PCI_GT64XXX_PCI0 1172 config PCI_GT64XXX_PCI0
1219 bool 1173 bool
1220 1174
1221 config PCI_XTALK_BRIDGE 1175 config PCI_XTALK_BRIDGE
1222 bool 1176 bool
1223 1177
1224 config NO_EXCEPT_FILL 1178 config NO_EXCEPT_FILL
1225 bool 1179 bool
1226 1180
1227 config MIPS_SPRAM 1181 config MIPS_SPRAM
1228 bool 1182 bool
1229 1183
1230 config SWAP_IO_SPACE 1184 config SWAP_IO_SPACE
1231 bool 1185 bool
1232 1186
1233 config SGI_HAS_INDYDOG 1187 config SGI_HAS_INDYDOG
1234 bool 1188 bool
1235 1189
1236 config SGI_HAS_HAL2 1190 config SGI_HAS_HAL2
1237 bool 1191 bool
1238 1192
1239 config SGI_HAS_SEEQ 1193 config SGI_HAS_SEEQ
1240 bool 1194 bool
1241 1195
1242 config SGI_HAS_WD93 1196 config SGI_HAS_WD93
1243 bool 1197 bool
1244 1198
1245 config SGI_HAS_ZILOG 1199 config SGI_HAS_ZILOG
1246 bool 1200 bool
1247 1201
1248 config SGI_HAS_I8042 1202 config SGI_HAS_I8042
1249 bool 1203 bool
1250 1204
1251 config DEFAULT_SGI_PARTITION 1205 config DEFAULT_SGI_PARTITION
1252 bool 1206 bool
1253 1207
1254 config FW_ARC32 1208 config FW_ARC32
1255 bool 1209 bool
1256 1210
1257 config FW_SNIPROM 1211 config FW_SNIPROM
1258 bool 1212 bool
1259 1213
1260 config BOOT_ELF32 1214 config BOOT_ELF32
1261 bool 1215 bool
1262 1216
1263 config MIPS_L1_CACHE_SHIFT_4 1217 config MIPS_L1_CACHE_SHIFT_4
1264 bool 1218 bool
1265 1219
1266 config MIPS_L1_CACHE_SHIFT_5 1220 config MIPS_L1_CACHE_SHIFT_5
1267 bool 1221 bool
1268 1222
1269 config MIPS_L1_CACHE_SHIFT_6 1223 config MIPS_L1_CACHE_SHIFT_6
1270 bool 1224 bool
1271 1225
1272 config MIPS_L1_CACHE_SHIFT_7 1226 config MIPS_L1_CACHE_SHIFT_7
1273 bool 1227 bool
1274 1228
1275 config MIPS_L1_CACHE_SHIFT 1229 config MIPS_L1_CACHE_SHIFT
1276 int 1230 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1231 default "7" if MIPS_L1_CACHE_SHIFT_7
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1232 default "6" if MIPS_L1_CACHE_SHIFT_6
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1233 default "5" if MIPS_L1_CACHE_SHIFT_5
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1234 default "4" if MIPS_L1_CACHE_SHIFT_4
1281 default "5" 1235 default "5"
1282 1236
1283 config ARC_CMDLINE_ONLY 1237 config ARC_CMDLINE_ONLY
1284 bool 1238 bool
1285 1239
1286 config ARC_CONSOLE 1240 config ARC_CONSOLE
1287 bool "ARC console support" 1241 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1242 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1243
1290 config ARC_MEMORY 1244 config ARC_MEMORY
1291 bool 1245 bool
1292 1246
1293 config ARC_PROMLIB 1247 config ARC_PROMLIB
1294 bool 1248 bool
1295 1249
1296 config FW_ARC64 1250 config FW_ARC64
1297 bool 1251 bool
1298 1252
1299 config BOOT_ELF64 1253 config BOOT_ELF64
1300 bool 1254 bool
1301 1255
1302 menu "CPU selection" 1256 menu "CPU selection"
1303 1257
1304 choice 1258 choice
1305 prompt "CPU type" 1259 prompt "CPU type"
1306 default CPU_R4X00 1260 default CPU_R4X00
1307 1261
1308 config CPU_LOONGSON64 1262 config CPU_LOONGSON64
1309 bool "Loongson 64-bit CPU" 1263 bool "Loongson 64-bit CPU"
1310 depends on SYS_HAS_CPU_LOONGSON64 1264 depends on SYS_HAS_CPU_LOONGSON64
1311 select ARCH_HAS_PHYS_TO_DMA 1265 select ARCH_HAS_PHYS_TO_DMA
1312 select CPU_MIPSR2 1266 select CPU_MIPSR2
1313 select CPU_HAS_PREFETCH 1267 select CPU_HAS_PREFETCH
1314 select CPU_SUPPORTS_64BIT_KERNEL 1268 select CPU_SUPPORTS_64BIT_KERNEL
1315 select CPU_SUPPORTS_HIGHMEM 1269 select CPU_SUPPORTS_HIGHMEM
1316 select CPU_SUPPORTS_HUGEPAGES 1270 select CPU_SUPPORTS_HUGEPAGES
1317 select CPU_SUPPORTS_MSA 1271 select CPU_SUPPORTS_MSA
1318 select CPU_SUPPORTS_VZ <<
1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1272 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320 select CPU_MIPSR2_IRQ_VI 1273 select CPU_MIPSR2_IRQ_VI
1321 select DMA_NONCOHERENT <<
1322 select WEAK_ORDERING 1274 select WEAK_ORDERING
1323 select WEAK_REORDERING_BEYOND_LLSC 1275 select WEAK_REORDERING_BEYOND_LLSC
1324 select MIPS_ASID_BITS_VARIABLE 1276 select MIPS_ASID_BITS_VARIABLE
1325 select MIPS_PGD_C0_CONTEXT 1277 select MIPS_PGD_C0_CONTEXT
1326 select MIPS_L1_CACHE_SHIFT_6 1278 select MIPS_L1_CACHE_SHIFT_6
1327 select MIPS_FP_SUPPORT 1279 select MIPS_FP_SUPPORT
1328 select GPIOLIB 1280 select GPIOLIB
1329 select SWIOTLB 1281 select SWIOTLB
>> 1282 select HAVE_KVM
1330 help 1283 help
1331 The Loongson GSx64(GS264/GS464/GS46 1284 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332 cores implements the MIPS64R2 instr 1285 cores implements the MIPS64R2 instruction set with many extensions,
1333 including most 64-bit Loongson-2 (2 1286 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334 3B1000, 3B1500, 3A2000, 3A3000 and 1287 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335 Loongson-2E/2F is not covered here 1288 Loongson-2E/2F is not covered here and will be removed in future.
1336 1289
>> 1290 config LOONGSON3_ENHANCEMENT
>> 1291 bool "New Loongson-3 CPU Enhancements"
>> 1292 default n
>> 1293 depends on CPU_LOONGSON64
>> 1294 help
>> 1295 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
>> 1296 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1297 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1298 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1299 Fast TLB refill support, etc.
>> 1300
>> 1301 This option enable those enhancements which are not probed at run
>> 1302 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1303 please say 'N' here. If you want a high-performance kernel to run on
>> 1304 new Loongson-3 machines only, please say 'Y' here.
>> 1305
>> 1306 config CPU_LOONGSON3_WORKAROUNDS
>> 1307 bool "Loongson-3 LLSC Workarounds"
>> 1308 default y if SMP
>> 1309 depends on CPU_LOONGSON64
>> 1310 help
>> 1311 Loongson-3 processors have the llsc issues which require workarounds.
>> 1312 Without workarounds the system may hang unexpectedly.
>> 1313
>> 1314 Say Y, unless you know what you are doing.
>> 1315
>> 1316 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1317 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1318 default y
>> 1319 depends on CPU_LOONGSON64
>> 1320 help
>> 1321 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1322 userland to query CPU capabilities, much like CPUID on x86. This
>> 1323 option provides emulation of the instruction on older Loongson
>> 1324 cores, back to Loongson-3A1000.
>> 1325
>> 1326 If unsure, please say Y.
>> 1327
1337 config CPU_LOONGSON2E 1328 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1329 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1330 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF 1331 select CPU_LOONGSON2EF
1341 help 1332 help
1342 The Loongson 2E processor implement 1333 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1334 with many extensions.
1344 1335
1345 It has an internal FPGA northbridge 1336 It has an internal FPGA northbridge, which is compatible to
1346 bonito64. 1337 bonito64.
1347 1338
1348 config CPU_LOONGSON2F 1339 config CPU_LOONGSON2F
1349 bool "Loongson 2F" 1340 bool "Loongson 2F"
1350 depends on SYS_HAS_CPU_LOONGSON2F 1341 depends on SYS_HAS_CPU_LOONGSON2F
1351 select CPU_LOONGSON2EF 1342 select CPU_LOONGSON2EF
1352 help 1343 help
1353 The Loongson 2F processor implement 1344 The Loongson 2F processor implements the MIPS III instruction set
1354 with many extensions. 1345 with many extensions.
1355 1346
1356 Loongson2F have built-in DDR2 and P 1347 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357 have a similar programming interfac 1348 have a similar programming interface with FPGA northbridge used in
1358 Loongson2E. 1349 Loongson2E.
1359 1350
1360 config CPU_LOONGSON1B 1351 config CPU_LOONGSON1B
1361 bool "Loongson 1B" 1352 bool "Loongson 1B"
1362 depends on SYS_HAS_CPU_LOONGSON1B 1353 depends on SYS_HAS_CPU_LOONGSON1B
1363 select CPU_LOONGSON32 1354 select CPU_LOONGSON32
1364 select LEDS_GPIO_REGISTER 1355 select LEDS_GPIO_REGISTER
1365 help 1356 help
1366 The Loongson 1B is a 32-bit SoC, wh 1357 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367 Release 1 instruction set and part 1358 Release 1 instruction set and part of the MIPS32 Release 2
1368 instruction set. 1359 instruction set.
1369 1360
1370 config CPU_LOONGSON1C 1361 config CPU_LOONGSON1C
1371 bool "Loongson 1C" 1362 bool "Loongson 1C"
1372 depends on SYS_HAS_CPU_LOONGSON1C 1363 depends on SYS_HAS_CPU_LOONGSON1C
1373 select CPU_LOONGSON32 1364 select CPU_LOONGSON32
1374 select LEDS_GPIO_REGISTER 1365 select LEDS_GPIO_REGISTER
1375 help 1366 help
1376 The Loongson 1C is a 32-bit SoC, wh 1367 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377 Release 1 instruction set and part 1368 Release 1 instruction set and part of the MIPS32 Release 2
1378 instruction set. 1369 instruction set.
1379 1370
1380 config CPU_MIPS32_R1 1371 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1372 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1373 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1374 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1375 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1376 select CPU_SUPPORTS_HIGHMEM
1386 help 1377 help
1387 Choose this option to build a kerne 1378 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1379 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1380 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1381 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1382 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1383 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1384 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1385 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1386 performance.
1396 1387
1397 config CPU_MIPS32_R2 1388 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1389 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1390 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1391 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1392 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1393 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA 1394 select CPU_SUPPORTS_MSA
>> 1395 select HAVE_KVM
1404 help 1396 help
1405 Choose this option to build a kerne 1397 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1398 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1399 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1400 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1401 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1402
1411 config CPU_MIPS32_R5 1403 config CPU_MIPS32_R5
1412 bool "MIPS32 Release 5" 1404 bool "MIPS32 Release 5"
1413 depends on SYS_HAS_CPU_MIPS32_R5 1405 depends on SYS_HAS_CPU_MIPS32_R5
1414 select CPU_HAS_PREFETCH 1406 select CPU_HAS_PREFETCH
1415 select CPU_SUPPORTS_32BIT_KERNEL 1407 select CPU_SUPPORTS_32BIT_KERNEL
1416 select CPU_SUPPORTS_HIGHMEM 1408 select CPU_SUPPORTS_HIGHMEM
1417 select CPU_SUPPORTS_MSA 1409 select CPU_SUPPORTS_MSA
1418 select CPU_SUPPORTS_VZ !! 1410 select HAVE_KVM
1419 select MIPS_O32_FP64_SUPPORT 1411 select MIPS_O32_FP64_SUPPORT
1420 help 1412 help
1421 Choose this option to build a kerne 1413 Choose this option to build a kernel for release 5 or later of the
1422 MIPS32 architecture. New MIPS proc 1414 MIPS32 architecture. New MIPS processors, starting with the Warrior
1423 family, are based on a MIPS32r5 pro 1415 family, are based on a MIPS32r5 processor. If you own an older
1424 processor, you probably need to sel 1416 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425 1417
1426 config CPU_MIPS32_R6 1418 config CPU_MIPS32_R6
1427 bool "MIPS32 Release 6" 1419 bool "MIPS32 Release 6"
1428 depends on SYS_HAS_CPU_MIPS32_R6 1420 depends on SYS_HAS_CPU_MIPS32_R6
1429 select CPU_HAS_PREFETCH 1421 select CPU_HAS_PREFETCH
1430 select CPU_NO_LOAD_STORE_LR 1422 select CPU_NO_LOAD_STORE_LR
1431 select CPU_SUPPORTS_32BIT_KERNEL 1423 select CPU_SUPPORTS_32BIT_KERNEL
1432 select CPU_SUPPORTS_HIGHMEM 1424 select CPU_SUPPORTS_HIGHMEM
1433 select CPU_SUPPORTS_MSA 1425 select CPU_SUPPORTS_MSA
1434 select CPU_SUPPORTS_VZ !! 1426 select HAVE_KVM
1435 select MIPS_O32_FP64_SUPPORT 1427 select MIPS_O32_FP64_SUPPORT
1436 help 1428 help
1437 Choose this option to build a kerne 1429 Choose this option to build a kernel for release 6 or later of the
1438 MIPS32 architecture. New MIPS proc 1430 MIPS32 architecture. New MIPS processors, starting with the Warrior
1439 family, are based on a MIPS32r6 pro 1431 family, are based on a MIPS32r6 processor. If you own an older
1440 processor, you probably need to sel 1432 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441 1433
1442 config CPU_MIPS64_R1 1434 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1435 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1436 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1437 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1438 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1439 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1440 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1441 select CPU_SUPPORTS_HUGEPAGES
1450 help 1442 help
1451 Choose this option to build a kerne 1443 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1444 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1445 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1446 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1447 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1448 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1449 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1450 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1451 performance.
1460 1452
1461 config CPU_MIPS64_R2 1453 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1454 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1455 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1456 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1457 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1458 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1459 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1460 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA 1461 select CPU_SUPPORTS_MSA
>> 1462 select HAVE_KVM
1470 help 1463 help
1471 Choose this option to build a kerne 1464 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1465 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1466 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1467 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1468 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1469
1477 config CPU_MIPS64_R5 1470 config CPU_MIPS64_R5
1478 bool "MIPS64 Release 5" 1471 bool "MIPS64 Release 5"
1479 depends on SYS_HAS_CPU_MIPS64_R5 1472 depends on SYS_HAS_CPU_MIPS64_R5
1480 select CPU_HAS_PREFETCH 1473 select CPU_HAS_PREFETCH
1481 select CPU_SUPPORTS_32BIT_KERNEL 1474 select CPU_SUPPORTS_32BIT_KERNEL
1482 select CPU_SUPPORTS_64BIT_KERNEL 1475 select CPU_SUPPORTS_64BIT_KERNEL
1483 select CPU_SUPPORTS_HIGHMEM 1476 select CPU_SUPPORTS_HIGHMEM
1484 select CPU_SUPPORTS_HUGEPAGES 1477 select CPU_SUPPORTS_HUGEPAGES
1485 select CPU_SUPPORTS_MSA 1478 select CPU_SUPPORTS_MSA
1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1479 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487 select CPU_SUPPORTS_VZ !! 1480 select HAVE_KVM
1488 help 1481 help
1489 Choose this option to build a kerne 1482 Choose this option to build a kernel for release 5 or later of the
1490 MIPS64 architecture. This is a int 1483 MIPS64 architecture. This is a intermediate MIPS architecture
1491 release partly implementing release 1484 release partly implementing release 6 features. Though there is no
1492 any hardware known to be based on t 1485 any hardware known to be based on this release.
1493 1486
1494 config CPU_MIPS64_R6 1487 config CPU_MIPS64_R6
1495 bool "MIPS64 Release 6" 1488 bool "MIPS64 Release 6"
1496 depends on SYS_HAS_CPU_MIPS64_R6 1489 depends on SYS_HAS_CPU_MIPS64_R6
1497 select CPU_HAS_PREFETCH 1490 select CPU_HAS_PREFETCH
1498 select CPU_NO_LOAD_STORE_LR 1491 select CPU_NO_LOAD_STORE_LR
1499 select CPU_SUPPORTS_32BIT_KERNEL 1492 select CPU_SUPPORTS_32BIT_KERNEL
1500 select CPU_SUPPORTS_64BIT_KERNEL 1493 select CPU_SUPPORTS_64BIT_KERNEL
1501 select CPU_SUPPORTS_HIGHMEM 1494 select CPU_SUPPORTS_HIGHMEM
1502 select CPU_SUPPORTS_HUGEPAGES 1495 select CPU_SUPPORTS_HUGEPAGES
1503 select CPU_SUPPORTS_MSA 1496 select CPU_SUPPORTS_MSA
1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1497 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505 select CPU_SUPPORTS_VZ !! 1498 select HAVE_KVM
1506 help 1499 help
1507 Choose this option to build a kerne 1500 Choose this option to build a kernel for release 6 or later of the
1508 MIPS64 architecture. New MIPS proc 1501 MIPS64 architecture. New MIPS processors, starting with the Warrior
1509 family, are based on a MIPS64r6 pro 1502 family, are based on a MIPS64r6 processor. If you own an older
1510 processor, you probably need to sel 1503 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511 1504
1512 config CPU_P5600 1505 config CPU_P5600
1513 bool "MIPS Warrior P5600" 1506 bool "MIPS Warrior P5600"
1514 depends on SYS_HAS_CPU_P5600 1507 depends on SYS_HAS_CPU_P5600
1515 select CPU_HAS_PREFETCH 1508 select CPU_HAS_PREFETCH
1516 select CPU_SUPPORTS_32BIT_KERNEL 1509 select CPU_SUPPORTS_32BIT_KERNEL
1517 select CPU_SUPPORTS_HIGHMEM 1510 select CPU_SUPPORTS_HIGHMEM
1518 select CPU_SUPPORTS_MSA 1511 select CPU_SUPPORTS_MSA
1519 select CPU_SUPPORTS_CPUFREQ 1512 select CPU_SUPPORTS_CPUFREQ
1520 select CPU_SUPPORTS_VZ <<
1521 select CPU_MIPSR2_IRQ_VI 1513 select CPU_MIPSR2_IRQ_VI
1522 select CPU_MIPSR2_IRQ_EI 1514 select CPU_MIPSR2_IRQ_EI
>> 1515 select HAVE_KVM
1523 select MIPS_O32_FP64_SUPPORT 1516 select MIPS_O32_FP64_SUPPORT
1524 help 1517 help
1525 Choose this option to build a kerne 1518 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526 It's based on MIPS32r5 ISA with XPA 1519 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527 MMU with two-levels TLB, UCA, MSA, 1520 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528 level features like up to six P5600 1521 level features like up to six P5600 calculation cores, CM2 with L2
1529 cache, IOCU/IOMMU (though might be 1522 cache, IOCU/IOMMU (though might be unused depending on the system-
1530 specific IP core configuration), GI 1523 specific IP core configuration), GIC, CPC, virtualisation module,
1531 eJTAG and PDtrace. 1524 eJTAG and PDtrace.
1532 1525
1533 config CPU_R3000 1526 config CPU_R3000
1534 bool "R3000" 1527 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1528 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1529 select CPU_HAS_WB
1537 select CPU_R3K_TLB 1530 select CPU_R3K_TLB
1538 select CPU_SUPPORTS_32BIT_KERNEL 1531 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1532 select CPU_SUPPORTS_HIGHMEM
1540 help 1533 help
1541 Please make sure to pick the right 1534 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1535 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1536 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1537 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1538 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1539 try to recompile with R3000.
1547 1540
1548 config CPU_R4300 1541 config CPU_R4300
1549 bool "R4300" 1542 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1543 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1544 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1545 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1546 help
1554 MIPS Technologies R4300-series proc 1547 MIPS Technologies R4300-series processors.
1555 1548
1556 config CPU_R4X00 1549 config CPU_R4X00
1557 bool "R4x00" 1550 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1551 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1552 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1553 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES 1554 select CPU_SUPPORTS_HUGEPAGES
1562 help 1555 help
1563 MIPS Technologies R4000-series proc 1556 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1557 the R4000, R4400, R4600, and 4700.
1565 1558
1566 config CPU_TX49XX 1559 config CPU_TX49XX
1567 bool "R49XX" 1560 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1561 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1562 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1563 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1564 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES 1565 select CPU_SUPPORTS_HUGEPAGES
1573 1566
1574 config CPU_R5000 1567 config CPU_R5000
1575 bool "R5000" 1568 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1569 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1570 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1571 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES 1572 select CPU_SUPPORTS_HUGEPAGES
1580 help 1573 help
1581 MIPS Technologies R5000-series proc 1574 MIPS Technologies R5000-series processors other than the Nevada.
1582 1575
1583 config CPU_R5500 1576 config CPU_R5500
1584 bool "R5500" 1577 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1578 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1579 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1580 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1581 select CPU_SUPPORTS_HUGEPAGES
1589 help 1582 help
1590 NEC VR5500 and VR5500A series proce 1583 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1584 instruction set.
1592 1585
1593 config CPU_NEVADA 1586 config CPU_NEVADA
1594 bool "RM52xx" 1587 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1588 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1589 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1590 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES 1591 select CPU_SUPPORTS_HUGEPAGES
1599 help 1592 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1593 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1594
1602 config CPU_R10000 1595 config CPU_R10000
1603 bool "R10000" 1596 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1597 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1598 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1599 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1600 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1601 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES 1602 select CPU_SUPPORTS_HUGEPAGES
1610 help 1603 help
1611 MIPS Technologies R10000-series pro 1604 MIPS Technologies R10000-series processors.
1612 1605
1613 config CPU_RM7000 1606 config CPU_RM7000
1614 bool "RM7000" 1607 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1608 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1609 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1610 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1611 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1612 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES 1613 select CPU_SUPPORTS_HUGEPAGES
1621 1614
1622 config CPU_SB1 1615 config CPU_SB1
1623 bool "SB1" 1616 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1617 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1618 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1619 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1620 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES 1621 select CPU_SUPPORTS_HUGEPAGES
1629 select WEAK_ORDERING 1622 select WEAK_ORDERING
1630 1623
1631 config CPU_CAVIUM_OCTEON 1624 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1625 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1626 depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634 select CPU_HAS_PREFETCH 1627 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1628 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 1629 select WEAK_ORDERING
1639 select CPU_SUPPORTS_HIGHMEM 1630 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1631 select CPU_SUPPORTS_HUGEPAGES
1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1632 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1633 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643 select MIPS_L1_CACHE_SHIFT_7 1634 select MIPS_L1_CACHE_SHIFT_7
1644 select CPU_SUPPORTS_VZ !! 1635 select HAVE_KVM
1645 help 1636 help
1646 The Cavium Octeon processor is a hi 1637 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1638 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1639 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1640 Full details can be found at http://www.caviumnetworks.com.
1650 1641
1651 config CPU_BMIPS 1642 config CPU_BMIPS
1652 bool "Broadcom BMIPS" 1643 bool "Broadcom BMIPS"
1653 depends on SYS_HAS_CPU_BMIPS 1644 depends on SYS_HAS_CPU_BMIPS
1654 select CPU_MIPS32 1645 select CPU_MIPS32
1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1646 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1647 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1648 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1649 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659 select CPU_SUPPORTS_32BIT_KERNEL 1650 select CPU_SUPPORTS_32BIT_KERNEL
1660 select DMA_NONCOHERENT 1651 select DMA_NONCOHERENT
1661 select IRQ_MIPS_CPU 1652 select IRQ_MIPS_CPU
1662 select SWAP_IO_SPACE 1653 select SWAP_IO_SPACE
1663 select WEAK_ORDERING 1654 select WEAK_ORDERING
1664 select CPU_SUPPORTS_HIGHMEM 1655 select CPU_SUPPORTS_HIGHMEM
1665 select CPU_HAS_PREFETCH 1656 select CPU_HAS_PREFETCH
1666 select CPU_SUPPORTS_CPUFREQ 1657 select CPU_SUPPORTS_CPUFREQ
1667 select MIPS_EXTERNAL_TIMER 1658 select MIPS_EXTERNAL_TIMER
1668 select GENERIC_IRQ_MIGRATION if HOTPL 1659 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669 help 1660 help
1670 Support for BMIPS32/3300/4350/4380 1661 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671 1662
1672 endchoice 1663 endchoice
1673 1664
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 1665 config CPU_MIPS32_3_5_FEATURES
1713 bool "MIPS32 Release 3.5 Features" 1666 bool "MIPS32 Release 3.5 Features"
1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1667 depends on SYS_HAS_CPU_MIPS32_R3_5
1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1668 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716 CPU_P5600 1669 CPU_P5600
1717 help 1670 help
1718 Choose this option to build a kerne 1671 Choose this option to build a kernel for release 2 or later of the
1719 MIPS32 architecture including featu 1672 MIPS32 architecture including features from the 3.5 release such as
1720 support for Enhanced Virtual Addres 1673 support for Enhanced Virtual Addressing (EVA).
1721 1674
1722 config CPU_MIPS32_3_5_EVA 1675 config CPU_MIPS32_3_5_EVA
1723 bool "Enhanced Virtual Addressing (EV 1676 bool "Enhanced Virtual Addressing (EVA)"
1724 depends on CPU_MIPS32_3_5_FEATURES 1677 depends on CPU_MIPS32_3_5_FEATURES
1725 select EVA 1678 select EVA
1726 default y 1679 default y
1727 help 1680 help
1728 Choose this option if you want to e 1681 Choose this option if you want to enable the Enhanced Virtual
1729 Addressing (EVA) on your MIPS32 cor 1682 Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730 One of its primary benefits is an i 1683 One of its primary benefits is an increase in the maximum size
1731 of lowmem (up to 3GB). If unsure, s 1684 of lowmem (up to 3GB). If unsure, say 'N' here.
1732 1685
1733 config CPU_MIPS32_R5_FEATURES 1686 config CPU_MIPS32_R5_FEATURES
1734 bool "MIPS32 Release 5 Features" 1687 bool "MIPS32 Release 5 Features"
1735 depends on SYS_HAS_CPU_MIPS32_R5 1688 depends on SYS_HAS_CPU_MIPS32_R5
1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1689 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737 help 1690 help
1738 Choose this option to build a kerne 1691 Choose this option to build a kernel for release 2 or later of the
1739 MIPS32 architecture including featu 1692 MIPS32 architecture including features from release 5 such as
1740 support for Extended Physical Addre 1693 support for Extended Physical Addressing (XPA).
1741 1694
1742 config CPU_MIPS32_R5_XPA 1695 config CPU_MIPS32_R5_XPA
1743 bool "Extended Physical Addressing (X 1696 bool "Extended Physical Addressing (XPA)"
1744 depends on CPU_MIPS32_R5_FEATURES 1697 depends on CPU_MIPS32_R5_FEATURES
1745 depends on !EVA 1698 depends on !EVA
1746 depends on !PAGE_SIZE_4KB 1699 depends on !PAGE_SIZE_4KB
1747 depends on SYS_SUPPORTS_HIGHMEM 1700 depends on SYS_SUPPORTS_HIGHMEM
1748 select XPA 1701 select XPA
1749 select HIGHMEM 1702 select HIGHMEM
1750 select PHYS_ADDR_T_64BIT 1703 select PHYS_ADDR_T_64BIT
1751 default n 1704 default n
1752 help 1705 help
1753 Choose this option if you want to e 1706 Choose this option if you want to enable the Extended Physical
1754 Addressing (XPA) on your MIPS32 cor 1707 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755 benefit is to increase physical add 1708 benefit is to increase physical addressing equal to or greater
1756 than 40 bits. Note that this has th 1709 than 40 bits. Note that this has the side effect of turning on
1757 64-bit addressing which in turn mak 1710 64-bit addressing which in turn makes the PTEs 64-bit in size.
1758 If unsure, say 'N' here. 1711 If unsure, say 'N' here.
1759 1712
1760 if CPU_LOONGSON2F 1713 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS 1714 config CPU_NOP_WORKAROUNDS
1762 bool 1715 bool
1763 1716
1764 config CPU_JUMP_WORKAROUNDS 1717 config CPU_JUMP_WORKAROUNDS
1765 bool 1718 bool
1766 1719
1767 config CPU_LOONGSON2F_WORKAROUNDS 1720 config CPU_LOONGSON2F_WORKAROUNDS
1768 bool "Loongson 2F Workarounds" 1721 bool "Loongson 2F Workarounds"
1769 default y 1722 default y
1770 select CPU_NOP_WORKAROUNDS 1723 select CPU_NOP_WORKAROUNDS
1771 select CPU_JUMP_WORKAROUNDS 1724 select CPU_JUMP_WORKAROUNDS
1772 help 1725 help
1773 Loongson 2F01 / 2F02 processors hav 1726 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774 require workarounds. Without worka 1727 require workarounds. Without workarounds the system may hang
1775 unexpectedly. For more information 1728 unexpectedly. For more information please refer to the gas
1776 -mfix-loongson2f-nop and -mfix-loon 1729 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777 1730
1778 Loongson 2F03 and later have fixed 1731 Loongson 2F03 and later have fixed these issues and no workarounds
1779 are needed. The workarounds have n 1732 are needed. The workarounds have no significant side effect on them
1780 but may decrease the performance of 1733 but may decrease the performance of the system so this option should
1781 be disabled unless the kernel is in 1734 be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782 systems. 1735 systems.
1783 1736
1784 If unsure, please say Y. 1737 If unsure, please say Y.
1785 endif # CPU_LOONGSON2F 1738 endif # CPU_LOONGSON2F
1786 1739
1787 config SYS_SUPPORTS_ZBOOT 1740 config SYS_SUPPORTS_ZBOOT
1788 bool 1741 bool
1789 select HAVE_KERNEL_GZIP 1742 select HAVE_KERNEL_GZIP
1790 select HAVE_KERNEL_BZIP2 1743 select HAVE_KERNEL_BZIP2
1791 select HAVE_KERNEL_LZ4 1744 select HAVE_KERNEL_LZ4
1792 select HAVE_KERNEL_LZMA 1745 select HAVE_KERNEL_LZMA
1793 select HAVE_KERNEL_LZO 1746 select HAVE_KERNEL_LZO
1794 select HAVE_KERNEL_XZ 1747 select HAVE_KERNEL_XZ
1795 select HAVE_KERNEL_ZSTD 1748 select HAVE_KERNEL_ZSTD
1796 1749
1797 config SYS_SUPPORTS_ZBOOT_UART16550 1750 config SYS_SUPPORTS_ZBOOT_UART16550
1798 bool 1751 bool
1799 select SYS_SUPPORTS_ZBOOT 1752 select SYS_SUPPORTS_ZBOOT
1800 1753
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1754 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802 bool 1755 bool
1803 select SYS_SUPPORTS_ZBOOT 1756 select SYS_SUPPORTS_ZBOOT
1804 1757
1805 config CPU_LOONGSON2EF 1758 config CPU_LOONGSON2EF
1806 bool 1759 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1760 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1761 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1762 select CPU_SUPPORTS_HIGHMEM
1810 select CPU_SUPPORTS_HUGEPAGES 1763 select CPU_SUPPORTS_HUGEPAGES
1811 1764
1812 config CPU_LOONGSON32 1765 config CPU_LOONGSON32
1813 bool 1766 bool
1814 select CPU_MIPS32 1767 select CPU_MIPS32
1815 select CPU_MIPSR2 1768 select CPU_MIPSR2
1816 select CPU_HAS_PREFETCH 1769 select CPU_HAS_PREFETCH
1817 select CPU_SUPPORTS_32BIT_KERNEL 1770 select CPU_SUPPORTS_32BIT_KERNEL
1818 select CPU_SUPPORTS_HIGHMEM 1771 select CPU_SUPPORTS_HIGHMEM
1819 select CPU_SUPPORTS_CPUFREQ 1772 select CPU_SUPPORTS_CPUFREQ
1820 1773
1821 config CPU_BMIPS32_3300 1774 config CPU_BMIPS32_3300
1822 select SMP_UP if SMP 1775 select SMP_UP if SMP
1823 bool 1776 bool
1824 1777
1825 config CPU_BMIPS4350 1778 config CPU_BMIPS4350
1826 bool 1779 bool
1827 select SYS_SUPPORTS_SMP 1780 select SYS_SUPPORTS_SMP
1828 select SYS_SUPPORTS_HOTPLUG_CPU 1781 select SYS_SUPPORTS_HOTPLUG_CPU
1829 1782
1830 config CPU_BMIPS4380 1783 config CPU_BMIPS4380
1831 bool 1784 bool
1832 select MIPS_L1_CACHE_SHIFT_6 1785 select MIPS_L1_CACHE_SHIFT_6
1833 select SYS_SUPPORTS_SMP 1786 select SYS_SUPPORTS_SMP
1834 select SYS_SUPPORTS_HOTPLUG_CPU 1787 select SYS_SUPPORTS_HOTPLUG_CPU
1835 select CPU_HAS_RIXI 1788 select CPU_HAS_RIXI
1836 1789
1837 config CPU_BMIPS5000 1790 config CPU_BMIPS5000
1838 bool 1791 bool
1839 select MIPS_CPU_SCACHE 1792 select MIPS_CPU_SCACHE
1840 select MIPS_L1_CACHE_SHIFT_7 1793 select MIPS_L1_CACHE_SHIFT_7
1841 select SYS_SUPPORTS_SMP 1794 select SYS_SUPPORTS_SMP
1842 select SYS_SUPPORTS_HOTPLUG_CPU 1795 select SYS_SUPPORTS_HOTPLUG_CPU
1843 select CPU_HAS_RIXI 1796 select CPU_HAS_RIXI
1844 1797
1845 config SYS_HAS_CPU_LOONGSON64 1798 config SYS_HAS_CPU_LOONGSON64
1846 bool 1799 bool
1847 select CPU_SUPPORTS_CPUFREQ 1800 select CPU_SUPPORTS_CPUFREQ
1848 select CPU_HAS_RIXI 1801 select CPU_HAS_RIXI
1849 1802
1850 config SYS_HAS_CPU_LOONGSON2E 1803 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1804 bool
1852 1805
1853 config SYS_HAS_CPU_LOONGSON2F 1806 config SYS_HAS_CPU_LOONGSON2F
1854 bool 1807 bool
1855 select CPU_SUPPORTS_CPUFREQ 1808 select CPU_SUPPORTS_CPUFREQ
1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1809 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857 1810
1858 config SYS_HAS_CPU_LOONGSON1B 1811 config SYS_HAS_CPU_LOONGSON1B
1859 bool 1812 bool
1860 1813
1861 config SYS_HAS_CPU_LOONGSON1C 1814 config SYS_HAS_CPU_LOONGSON1C
1862 bool 1815 bool
1863 1816
1864 config SYS_HAS_CPU_MIPS32_R1 1817 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1818 bool
1866 1819
1867 config SYS_HAS_CPU_MIPS32_R2 1820 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1821 bool
1869 1822
1870 config SYS_HAS_CPU_MIPS32_R3_5 1823 config SYS_HAS_CPU_MIPS32_R3_5
1871 bool 1824 bool
1872 1825
1873 config SYS_HAS_CPU_MIPS32_R5 1826 config SYS_HAS_CPU_MIPS32_R5
1874 bool 1827 bool
1875 1828
1876 config SYS_HAS_CPU_MIPS32_R6 1829 config SYS_HAS_CPU_MIPS32_R6
1877 bool 1830 bool
1878 1831
1879 config SYS_HAS_CPU_MIPS64_R1 1832 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1833 bool
1881 1834
1882 config SYS_HAS_CPU_MIPS64_R2 1835 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1836 bool
1884 1837
1885 config SYS_HAS_CPU_MIPS64_R5 1838 config SYS_HAS_CPU_MIPS64_R5
1886 bool 1839 bool
1887 1840
1888 config SYS_HAS_CPU_MIPS64_R6 1841 config SYS_HAS_CPU_MIPS64_R6
1889 bool 1842 bool
1890 1843
1891 config SYS_HAS_CPU_P5600 1844 config SYS_HAS_CPU_P5600
1892 bool 1845 bool
1893 1846
1894 config SYS_HAS_CPU_R3000 1847 config SYS_HAS_CPU_R3000
1895 bool 1848 bool
1896 1849
1897 config SYS_HAS_CPU_R4300 1850 config SYS_HAS_CPU_R4300
1898 bool 1851 bool
1899 1852
1900 config SYS_HAS_CPU_R4X00 1853 config SYS_HAS_CPU_R4X00
1901 bool 1854 bool
1902 1855
1903 config SYS_HAS_CPU_TX49XX 1856 config SYS_HAS_CPU_TX49XX
1904 bool 1857 bool
1905 1858
1906 config SYS_HAS_CPU_R5000 1859 config SYS_HAS_CPU_R5000
1907 bool 1860 bool
1908 1861
1909 config SYS_HAS_CPU_R5500 1862 config SYS_HAS_CPU_R5500
1910 bool 1863 bool
1911 1864
1912 config SYS_HAS_CPU_NEVADA 1865 config SYS_HAS_CPU_NEVADA
1913 bool 1866 bool
1914 1867
1915 config SYS_HAS_CPU_R10000 1868 config SYS_HAS_CPU_R10000
1916 bool 1869 bool
1917 1870
1918 config SYS_HAS_CPU_RM7000 1871 config SYS_HAS_CPU_RM7000
1919 bool 1872 bool
1920 1873
1921 config SYS_HAS_CPU_SB1 1874 config SYS_HAS_CPU_SB1
1922 bool 1875 bool
1923 1876
1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1877 config SYS_HAS_CPU_CAVIUM_OCTEON
1925 bool 1878 bool
1926 1879
1927 config SYS_HAS_CPU_BMIPS 1880 config SYS_HAS_CPU_BMIPS
1928 bool 1881 bool
1929 1882
1930 config SYS_HAS_CPU_BMIPS32_3300 1883 config SYS_HAS_CPU_BMIPS32_3300
1931 bool 1884 bool
1932 select SYS_HAS_CPU_BMIPS 1885 select SYS_HAS_CPU_BMIPS
1933 1886
1934 config SYS_HAS_CPU_BMIPS4350 1887 config SYS_HAS_CPU_BMIPS4350
1935 bool 1888 bool
1936 select SYS_HAS_CPU_BMIPS 1889 select SYS_HAS_CPU_BMIPS
1937 1890
1938 config SYS_HAS_CPU_BMIPS4380 1891 config SYS_HAS_CPU_BMIPS4380
1939 bool 1892 bool
1940 select SYS_HAS_CPU_BMIPS 1893 select SYS_HAS_CPU_BMIPS
1941 1894
1942 config SYS_HAS_CPU_BMIPS5000 1895 config SYS_HAS_CPU_BMIPS5000
1943 bool 1896 bool
1944 select SYS_HAS_CPU_BMIPS 1897 select SYS_HAS_CPU_BMIPS
1945 1898
1946 # 1899 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1900 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1901 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1902 #
1950 config WEAK_ORDERING 1903 config WEAK_ORDERING
1951 bool 1904 bool
1952 1905
1953 # 1906 #
1954 # CPU may reorder reads and writes beyond LL/ 1907 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1908 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1909 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1910 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1911 bool
1959 endmenu 1912 endmenu
1960 1913
1961 # 1914 #
1962 # These two indicate any level of the MIPS32 1915 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1916 #
1964 config CPU_MIPS32 1917 config CPU_MIPS32
1965 bool 1918 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP 1919 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967 CPU_MIPS32_R6 || CPU_P56 1920 CPU_MIPS32_R6 || CPU_P5600
1968 1921
1969 config CPU_MIPS64 1922 config CPU_MIPS64
1970 bool 1923 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP 1924 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972 CPU_MIPS64_R6 || CPU_LOO 1925 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973 1926
1974 # 1927 #
1975 # These indicate the revision of the architec 1928 # These indicate the revision of the architecture
1976 # 1929 #
1977 config CPU_MIPSR1 1930 config CPU_MIPSR1
1978 bool 1931 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1932 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1933
1981 config CPU_MIPSR2 1934 config CPU_MIPSR2
1982 bool 1935 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1936 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984 select CPU_HAS_RIXI 1937 select CPU_HAS_RIXI
1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1938 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986 select MIPS_SPRAM 1939 select MIPS_SPRAM
1987 1940
1988 config CPU_MIPSR5 1941 config CPU_MIPSR5
1989 bool 1942 bool
1990 default y if CPU_MIPS32_R5 || CPU_MIP 1943 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991 select CPU_HAS_RIXI 1944 select CPU_HAS_RIXI
1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1945 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993 select MIPS_SPRAM 1946 select MIPS_SPRAM
1994 1947
1995 config CPU_MIPSR6 1948 config CPU_MIPSR6
1996 bool 1949 bool
1997 default y if CPU_MIPS32_R6 || CPU_MIP 1950 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998 select CPU_HAS_RIXI 1951 select CPU_HAS_RIXI
1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1952 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000 select HAVE_ARCH_BITREVERSE 1953 select HAVE_ARCH_BITREVERSE
2001 select MIPS_ASID_BITS_VARIABLE 1954 select MIPS_ASID_BITS_VARIABLE
2002 select MIPS_CRC_SUPPORT 1955 select MIPS_CRC_SUPPORT
2003 select MIPS_SPRAM 1956 select MIPS_SPRAM
2004 1957
2005 config TARGET_ISA_REV 1958 config TARGET_ISA_REV
2006 int 1959 int
2007 default 1 if CPU_MIPSR1 1960 default 1 if CPU_MIPSR1
2008 default 2 if CPU_MIPSR2 1961 default 2 if CPU_MIPSR2
2009 default 5 if CPU_MIPSR5 1962 default 5 if CPU_MIPSR5
2010 default 6 if CPU_MIPSR6 1963 default 6 if CPU_MIPSR6
2011 default 0 1964 default 0
2012 help 1965 help
2013 Reflects the ISA revision being tar 1966 Reflects the ISA revision being targeted by the kernel build. This
2014 is effectively the Kconfig equivale 1967 is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015 1968
2016 config EVA 1969 config EVA
2017 bool 1970 bool
2018 1971
2019 config XPA 1972 config XPA
2020 bool 1973 bool
2021 1974
2022 config SYS_SUPPORTS_32BIT_KERNEL 1975 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 1976 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 1977 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 1978 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 1979 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 1980 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 1981 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 1982 bool
2030 config CPU_SUPPORTS_CPUFREQ 1983 config CPU_SUPPORTS_CPUFREQ
2031 bool 1984 bool
2032 config CPU_SUPPORTS_ADDRWINCFG 1985 config CPU_SUPPORTS_ADDRWINCFG
2033 bool 1986 bool
2034 config CPU_SUPPORTS_HUGEPAGES 1987 config CPU_SUPPORTS_HUGEPAGES
2035 bool 1988 bool
2036 depends on !(32BIT && (PHYS_ADDR_T_64 1989 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ <<
2038 bool <<
2039 config MIPS_PGD_C0_CONTEXT 1990 config MIPS_PGD_C0_CONTEXT
2040 bool 1991 bool
2041 depends on 64BIT 1992 depends on 64BIT
2042 default y if (CPU_MIPSR2 || CPU_MIPSR 1993 default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043 1994
2044 # 1995 #
2045 # Set to y for ptrace access to watch registe 1996 # Set to y for ptrace access to watch registers.
2046 # 1997 #
2047 config HARDWARE_WATCHPOINTS 1998 config HARDWARE_WATCHPOINTS
2048 bool 1999 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2000 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050 2001
2051 menu "Kernel type" 2002 menu "Kernel type"
2052 2003
2053 choice 2004 choice
2054 prompt "Kernel code model" 2005 prompt "Kernel code model"
2055 help 2006 help
2056 You should only select this option 2007 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 2008 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 2009 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 2010 menu if your system does not support both 32-bit and 64-bit kernels.
2060 2011
2061 config 32BIT 2012 config 32BIT
2062 bool "32-bit kernel" 2013 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2014 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 2015 select TRAD_SIGNALS
2065 help 2016 help
2066 Select this option if you want to b 2017 Select this option if you want to build a 32-bit kernel.
2067 2018
2068 config 64BIT 2019 config 64BIT
2069 bool "64-bit kernel" 2020 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2021 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071 help 2022 help
2072 Select this option if you want to b 2023 Select this option if you want to build a 64-bit kernel.
2073 2024
2074 endchoice 2025 endchoice
2075 2026
2076 config MIPS_VA_BITS_48 2027 config MIPS_VA_BITS_48
2077 bool "48 bits virtual memory" 2028 bool "48 bits virtual memory"
2078 depends on 64BIT 2029 depends on 64BIT
2079 help 2030 help
2080 Support a maximum at least 48 bits 2031 Support a maximum at least 48 bits of application virtual
2081 memory. Default is 40 bits or less 2032 memory. Default is 40 bits or less, depending on the CPU.
2082 For page sizes 16k and above, this 2033 For page sizes 16k and above, this option results in a small
2083 memory overhead for page tables. F 2034 memory overhead for page tables. For 4k page size, a fourth
2084 level of page tables is added which 2035 level of page tables is added which imposes both a memory
2085 overhead as well as slower TLB faul 2036 overhead as well as slower TLB fault handling.
2086 2037
2087 If unsure, say N. 2038 If unsure, say N.
2088 2039
2089 config ZBOOT_LOAD_ADDRESS 2040 config ZBOOT_LOAD_ADDRESS
2090 hex "Compressed kernel load address" 2041 hex "Compressed kernel load address"
2091 default 0xffffffff80400000 if BCM47XX 2042 default 0xffffffff80400000 if BCM47XX
2092 default 0x0 2043 default 0x0
2093 depends on SYS_SUPPORTS_ZBOOT 2044 depends on SYS_SUPPORTS_ZBOOT
2094 help 2045 help
2095 The address to load compressed kern 2046 The address to load compressed kernel, aka vmlinuz.
2096 2047
2097 This is only used if non-zero. 2048 This is only used if non-zero.
2098 2049
>> 2050 choice
>> 2051 prompt "Kernel page size"
>> 2052 default PAGE_SIZE_4KB
>> 2053
>> 2054 config PAGE_SIZE_4KB
>> 2055 bool "4kB"
>> 2056 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2057 help
>> 2058 This option select the standard 4kB Linux page size. On some
>> 2059 R3000-family processors this is the only available page size. Using
>> 2060 4kB page size will minimize memory consumption and is therefore
>> 2061 recommended for low memory systems.
>> 2062
>> 2063 config PAGE_SIZE_8KB
>> 2064 bool "8kB"
>> 2065 depends on CPU_CAVIUM_OCTEON
>> 2066 depends on !MIPS_VA_BITS_48
>> 2067 help
>> 2068 Using 8kB page size will result in higher performance kernel at
>> 2069 the price of higher memory consumption. This option is available
>> 2070 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2071 distribution to support this.
>> 2072
>> 2073 config PAGE_SIZE_16KB
>> 2074 bool "16kB"
>> 2075 depends on !CPU_R3000
>> 2076 help
>> 2077 Using 16kB page size will result in higher performance kernel at
>> 2078 the price of higher memory consumption. This option is available on
>> 2079 all non-R3000 family processors. Note that you will need a suitable
>> 2080 Linux distribution to support this.
>> 2081
>> 2082 config PAGE_SIZE_32KB
>> 2083 bool "32kB"
>> 2084 depends on CPU_CAVIUM_OCTEON
>> 2085 depends on !MIPS_VA_BITS_48
>> 2086 help
>> 2087 Using 32kB page size will result in higher performance kernel at
>> 2088 the price of higher memory consumption. This option is available
>> 2089 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2090 distribution to support this.
>> 2091
>> 2092 config PAGE_SIZE_64KB
>> 2093 bool "64kB"
>> 2094 depends on !CPU_R3000
>> 2095 help
>> 2096 Using 64kB page size will result in higher performance kernel at
>> 2097 the price of higher memory consumption. This option is available on
>> 2098 all non-R3000 family processor. Not that at the time of this
>> 2099 writing this option is still high experimental.
>> 2100
>> 2101 endchoice
>> 2102
2099 config ARCH_FORCE_MAX_ORDER 2103 config ARCH_FORCE_MAX_ORDER
2100 int "Maximum zone order" 2104 int "Maximum zone order"
2101 default "13" if MIPS_HUGE_TLB_SUPPORT 2105 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102 default "12" if MIPS_HUGE_TLB_SUPPORT 2106 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103 default "11" if MIPS_HUGE_TLB_SUPPORT 2107 default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104 default "10" 2108 default "10"
2105 help 2109 help
2106 The kernel memory allocator divides 2110 The kernel memory allocator divides physically contiguous memory
2107 blocks into "zones", where each zon 2111 blocks into "zones", where each zone is a power of two number of
2108 pages. This option selects the lar 2112 pages. This option selects the largest power of two that the kernel
2109 keeps in the memory allocator. If 2113 keeps in the memory allocator. If you need to allocate very large
2110 blocks of physically contiguous mem 2114 blocks of physically contiguous memory, then you may need to
2111 increase this value. 2115 increase this value.
2112 2116
2113 The page size is not necessarily 4K 2117 The page size is not necessarily 4KB. Keep this in mind
2114 when choosing a value for this opti 2118 when choosing a value for this option.
2115 2119
2116 config BOARD_SCACHE 2120 config BOARD_SCACHE
2117 bool 2121 bool
2118 2122
2119 config IP22_CPU_SCACHE 2123 config IP22_CPU_SCACHE
2120 bool 2124 bool
2121 select BOARD_SCACHE 2125 select BOARD_SCACHE
2122 2126
2123 # 2127 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 2128 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 2129 #
2126 config MIPS_CPU_SCACHE 2130 config MIPS_CPU_SCACHE
2127 bool 2131 bool
2128 select BOARD_SCACHE 2132 select BOARD_SCACHE
2129 2133
2130 config R5000_CPU_SCACHE 2134 config R5000_CPU_SCACHE
2131 bool 2135 bool
2132 select BOARD_SCACHE 2136 select BOARD_SCACHE
2133 2137
2134 config RM7000_CPU_SCACHE 2138 config RM7000_CPU_SCACHE
2135 bool 2139 bool
2136 select BOARD_SCACHE 2140 select BOARD_SCACHE
2137 2141
2138 config SIBYTE_DMA_PAGEOPS 2142 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 2143 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 2144 depends on CPU_SB1
2141 help 2145 help
2142 Instead of using the CPU to zero an 2146 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 2147 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 2148 SiByte Linux port. Seems to give a small performance benefit.
2145 2149
2146 config CPU_HAS_PREFETCH 2150 config CPU_HAS_PREFETCH
2147 bool 2151 bool
2148 2152
2149 config CPU_GENERIC_DUMP_TLB 2153 config CPU_GENERIC_DUMP_TLB
2150 bool 2154 bool
2151 default y if !CPU_R3000 2155 default y if !CPU_R3000
2152 2156
2153 config MIPS_FP_SUPPORT 2157 config MIPS_FP_SUPPORT
2154 bool "Floating Point support" if EXPE 2158 bool "Floating Point support" if EXPERT
2155 default y 2159 default y
2156 help 2160 help
2157 Select y to include support for flo 2161 Select y to include support for floating point in the kernel
2158 including initialization of FPU har 2162 including initialization of FPU hardware, FP context save & restore
2159 and emulation of an FPU where neces 2163 and emulation of an FPU where necessary. Without this support any
2160 userland program attempting to use 2164 userland program attempting to use floating point instructions will
2161 receive a SIGILL. 2165 receive a SIGILL.
2162 2166
2163 If you know that your userland will 2167 If you know that your userland will not attempt to use floating point
2164 instructions then you can say n her 2168 instructions then you can say n here to shrink the kernel a little.
2165 2169
2166 If unsure, say y. 2170 If unsure, say y.
2167 2171
2168 config CPU_R2300_FPU 2172 config CPU_R2300_FPU
2169 bool 2173 bool
2170 depends on MIPS_FP_SUPPORT 2174 depends on MIPS_FP_SUPPORT
2171 default y if CPU_R3000 2175 default y if CPU_R3000
2172 2176
2173 config CPU_R3K_TLB 2177 config CPU_R3K_TLB
2174 bool 2178 bool
2175 2179
2176 config CPU_R4K_FPU 2180 config CPU_R4K_FPU
2177 bool 2181 bool
2178 depends on MIPS_FP_SUPPORT 2182 depends on MIPS_FP_SUPPORT
2179 default y if !CPU_R2300_FPU 2183 default y if !CPU_R2300_FPU
2180 2184
2181 config CPU_R4K_CACHE_TLB 2185 config CPU_R4K_CACHE_TLB
2182 bool 2186 bool
2183 default y if !(CPU_R3K_TLB || CPU_SB1 2187 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184 2188
2185 config MIPS_MT_SMP 2189 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea 2190 bool "MIPS MT SMP support (1 TC on each available VPE)"
2187 default y 2191 default y
2188 depends on TARGET_ISA_REV > 0 && TARG !! 2192 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 2193 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 2194 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K 2195 select SYNC_R4K
2193 select MIPS_MT 2196 select MIPS_MT
2194 select SMP 2197 select SMP
2195 select SMP_UP 2198 select SMP_UP
2196 select SYS_SUPPORTS_SMP 2199 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT 2200 select SYS_SUPPORTS_SCHED_SMT
2198 select MIPS_PERF_SHARED_TC_COUNTERS 2201 select MIPS_PERF_SHARED_TC_COUNTERS
2199 help 2202 help
2200 This is a kernel model which is kno 2203 This is a kernel model which is known as SMVP. This is supported
2201 on cores with the MT ASE and uses t 2204 on cores with the MT ASE and uses the available VPEs to implement
2202 virtual processors which supports S 2205 virtual processors which supports SMP. This is equivalent to the
2203 Intel Hyperthreading feature. For f 2206 Intel Hyperthreading feature. For further information go to
2204 <http://www.imgtec.com/mips/mips-mu 2207 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205 2208
2206 config MIPS_MT 2209 config MIPS_MT
2207 bool 2210 bool
2208 2211
2209 config SCHED_SMT 2212 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 2213 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 2214 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 2215 default n
2213 help 2216 help
2214 SMT scheduler support improves the 2217 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 2218 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 2219 increased overhead in some places. If unsure say N here.
2217 2220
2218 config SYS_SUPPORTS_SCHED_SMT 2221 config SYS_SUPPORTS_SCHED_SMT
2219 bool 2222 bool
2220 2223
2221 config SYS_SUPPORTS_MULTITHREADING 2224 config SYS_SUPPORTS_MULTITHREADING
2222 bool 2225 bool
2223 2226
2224 config MIPS_MT_FPAFF 2227 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 2228 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 2229 default y
2227 depends on MIPS_MT_SMP 2230 depends on MIPS_MT_SMP
2228 2231
2229 config MIPSR2_TO_R6_EMULATOR 2232 config MIPSR2_TO_R6_EMULATOR
2230 bool "MIPS R2-to-R6 emulator" 2233 bool "MIPS R2-to-R6 emulator"
2231 depends on CPU_MIPSR6 2234 depends on CPU_MIPSR6
2232 depends on MIPS_FP_SUPPORT 2235 depends on MIPS_FP_SUPPORT
2233 default y 2236 default y
2234 help 2237 help
2235 Choose this option if you want to r 2238 Choose this option if you want to run non-R6 MIPS userland code.
2236 Even if you say 'Y' here, the emula 2239 Even if you say 'Y' here, the emulator will still be disabled by
2237 default. You can enable it using th 2240 default. You can enable it using the 'mipsr2emu' kernel option.
2238 The only reason this is a build-tim 2241 The only reason this is a build-time option is to save ~14K from the
2239 final kernel image. 2242 final kernel image.
2240 2243
2241 config SYS_SUPPORTS_VPE_LOADER 2244 config SYS_SUPPORTS_VPE_LOADER
2242 bool 2245 bool
2243 depends on SYS_SUPPORTS_MULTITHREADIN 2246 depends on SYS_SUPPORTS_MULTITHREADING
2244 help 2247 help
2245 Indicates that the platform support 2248 Indicates that the platform supports the VPE loader, and provides
2246 physical_memsize. 2249 physical_memsize.
2247 2250
2248 config MIPS_VPE_LOADER 2251 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 2252 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && 2253 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251 select CPU_MIPSR2_IRQ_VI 2254 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 2255 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 2256 select MIPS_MT
2254 help 2257 help
2255 Includes a loader for loading an el 2258 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 2259 onto another VPE and running it.
2257 2260
2258 config MIPS_VPE_LOADER_MT 2261 config MIPS_VPE_LOADER_MT
2259 bool 2262 bool
2260 default "y" 2263 default "y"
2261 depends on MIPS_VPE_LOADER 2264 depends on MIPS_VPE_LOADER
2262 2265
2263 config MIPS_VPE_LOADER_TOM 2266 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 2267 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 2268 depends on MIPS_VPE_LOADER
2266 default y 2269 default y
2267 help 2270 help
2268 The loader can use memory that is p 2271 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 2272 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 2273 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 2274 program requires is less or equal to the amount physically present.
2272 2275
2273 config MIPS_VPE_APSP_API 2276 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 2277 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 2278 depends on MIPS_VPE_LOADER
2276 2279
2277 config MIPS_VPE_APSP_API_MT 2280 config MIPS_VPE_APSP_API_MT
2278 bool 2281 bool
2279 default "y" 2282 default "y"
2280 depends on MIPS_VPE_APSP_API 2283 depends on MIPS_VPE_APSP_API
2281 2284
2282 config MIPS_CPS 2285 config MIPS_CPS
2283 bool "MIPS Coherent Processing System 2286 bool "MIPS Coherent Processing System support"
2284 depends on SYS_SUPPORTS_MIPS_CPS 2287 depends on SYS_SUPPORTS_MIPS_CPS
2285 select MIPS_CM 2288 select MIPS_CM
2286 select MIPS_CPS_PM if HOTPLUG_CPU 2289 select MIPS_CPS_PM if HOTPLUG_CPU
2287 select SMP 2290 select SMP
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP <<
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2291 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290 select SYS_SUPPORTS_HOTPLUG_CPU 2292 select SYS_SUPPORTS_HOTPLUG_CPU
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2293 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292 select SYS_SUPPORTS_SMP 2294 select SYS_SUPPORTS_SMP
2293 select WEAK_ORDERING 2295 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL 2296 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295 help 2297 help
2296 Select this if you wish to run an S 2298 Select this if you wish to run an SMP kernel across multiple cores
2297 within a MIPS Coherent Processing S 2299 within a MIPS Coherent Processing System. When this option is
2298 enabled the kernel will probe for o 2300 enabled the kernel will probe for other cores and boot them with
2299 no external assistance. It is safe 2301 no external assistance. It is safe to enable this when hardware
2300 support is unavailable. 2302 support is unavailable.
2301 2303
2302 config MIPS_CPS_PM 2304 config MIPS_CPS_PM
2303 depends on MIPS_CPS 2305 depends on MIPS_CPS
2304 bool 2306 bool
2305 2307
2306 config MIPS_CM 2308 config MIPS_CM
2307 bool 2309 bool
2308 select MIPS_CPC 2310 select MIPS_CPC
2309 2311
2310 config MIPS_CPC 2312 config MIPS_CPC
2311 bool 2313 bool
2312 2314
2313 config SB1_PASS_2_WORKAROUNDS 2315 config SB1_PASS_2_WORKAROUNDS
2314 bool 2316 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2317 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 2318 default y
2317 2319
2318 config SB1_PASS_2_1_WORKAROUNDS 2320 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 2321 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2322 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 2323 default y
2322 2324
2323 choice 2325 choice
2324 prompt "SmartMIPS or microMIPS ASE su 2326 prompt "SmartMIPS or microMIPS ASE support"
2325 2327
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2328 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327 bool "None" 2329 bool "None"
2328 help 2330 help
2329 Select this if you want neither mic 2331 Select this if you want neither microMIPS nor SmartMIPS support
2330 2332
2331 config CPU_HAS_SMARTMIPS 2333 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 2334 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" 2335 bool "SmartMIPS"
2334 help 2336 help
2335 SmartMIPS is a extension of the MIP 2337 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 2338 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 2339 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 2340 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 2341 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 2342 you don't know you probably don't have SmartMIPS and should say N
2341 here. 2343 here.
2342 2344
2343 config CPU_MICROMIPS 2345 config CPU_MICROMIPS
2344 depends on 32BIT && SYS_SUPPORTS_MICR 2346 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345 bool "microMIPS" 2347 bool "microMIPS"
2346 help 2348 help
2347 When this option is enabled the ker 2349 When this option is enabled the kernel will be built using the
2348 microMIPS ISA 2350 microMIPS ISA
2349 2351
2350 endchoice 2352 endchoice
2351 2353
2352 config CPU_HAS_MSA 2354 config CPU_HAS_MSA
2353 bool "Support for the MIPS SIMD Archi 2355 bool "Support for the MIPS SIMD Architecture"
2354 depends on CPU_SUPPORTS_MSA 2356 depends on CPU_SUPPORTS_MSA
2355 depends on MIPS_FP_SUPPORT 2357 depends on MIPS_FP_SUPPORT
2356 depends on 64BIT || MIPS_O32_FP64_SUP 2358 depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357 help 2359 help
2358 MIPS SIMD Architecture (MSA) introd 2360 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359 and a set of SIMD instructions to o 2361 and a set of SIMD instructions to operate on them. When this option
2360 is enabled the kernel will support 2362 is enabled the kernel will support allocating & switching MSA
2361 vector register contexts. If you kn 2363 vector register contexts. If you know that your kernel will only be
2362 running on CPUs which do not suppor 2364 running on CPUs which do not support MSA or that your userland will
2363 not be making use of it then you ma 2365 not be making use of it then you may wish to say N here to reduce
2364 the size & complexity of your kerne 2366 the size & complexity of your kernel.
2365 2367
2366 If unsure, say Y. 2368 If unsure, say Y.
2367 2369
2368 config CPU_HAS_WB 2370 config CPU_HAS_WB
2369 bool 2371 bool
2370 2372
2371 config XKS01 2373 config XKS01
2372 bool 2374 bool
2373 2375
2374 config CPU_HAS_DIEI 2376 config CPU_HAS_DIEI
2375 depends on !CPU_DIEI_BROKEN 2377 depends on !CPU_DIEI_BROKEN
2376 bool 2378 bool
2377 2379
2378 config CPU_DIEI_BROKEN 2380 config CPU_DIEI_BROKEN
2379 bool 2381 bool
2380 2382
2381 config CPU_HAS_RIXI 2383 config CPU_HAS_RIXI
2382 bool 2384 bool
2383 2385
2384 config CPU_NO_LOAD_STORE_LR 2386 config CPU_NO_LOAD_STORE_LR
2385 bool 2387 bool
2386 help 2388 help
2387 CPU lacks support for unaligned loa 2389 CPU lacks support for unaligned load and store instructions:
2388 LWL, LWR, SWL, SWR (Load/store word 2390 LWL, LWR, SWL, SWR (Load/store word left/right).
2389 LDL, LDR, SDL, SDR (Load/store doub 2391 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390 systems). 2392 systems).
2391 2393
2392 # 2394 #
2393 # Vectored interrupt mode is an R2 feature 2395 # Vectored interrupt mode is an R2 feature
2394 # 2396 #
2395 config CPU_MIPSR2_IRQ_VI 2397 config CPU_MIPSR2_IRQ_VI
2396 bool 2398 bool
2397 2399
2398 # 2400 #
2399 # Extended interrupt mode is an R2 feature 2401 # Extended interrupt mode is an R2 feature
2400 # 2402 #
2401 config CPU_MIPSR2_IRQ_EI 2403 config CPU_MIPSR2_IRQ_EI
2402 bool 2404 bool
2403 2405
2404 config CPU_HAS_SYNC 2406 config CPU_HAS_SYNC
2405 bool 2407 bool
2406 depends on !CPU_R3000 2408 depends on !CPU_R3000
2407 default y 2409 default y
2408 2410
2409 # 2411 #
2410 # CPU non-features 2412 # CPU non-features
2411 # 2413 #
2412 2414
2413 # Work around the "daddi" and "daddiu" CPU er 2415 # Work around the "daddi" and "daddiu" CPU errata:
2414 # 2416 #
2415 # - The `daddi' instruction fails to trap on 2417 # - The `daddi' instruction fails to trap on overflow.
2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2418 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 # erratum #23 2419 # erratum #23
2418 # 2420 #
2419 # - The `daddiu' instruction can produce an i 2421 # - The `daddiu' instruction can produce an incorrect result.
2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2422 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 # erratum #41 2423 # erratum #41
2422 # "MIPS R4000MC Errata, Processor Revision 2424 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 # #15 2425 # #15
2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2426 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 # "MIPS R4400MC Errata, Processor Revision 2427 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS 2428 config CPU_DADDI_WORKAROUNDS
2427 bool 2429 bool
2428 2430
2429 # Work around certain R4000 CPU errata (as im 2431 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 # 2432 #
2431 # - A double-word or a variable shift may giv 2433 # - A double-word or a variable shift may give an incorrect result
2432 # if executed immediately after starting an 2434 # if executed immediately after starting an integer division:
2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2435 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 # erratum #28 2436 # erratum #28
2435 # "MIPS R4000MC Errata, Processor Revision 2437 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 # #19 2438 # #19
2437 # 2439 #
2438 # - A double-word or a variable shift may giv 2440 # - A double-word or a variable shift may give an incorrect result
2439 # if executed while an integer multiplicati 2441 # if executed while an integer multiplication is in progress:
2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2442 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 # errata #16 & #28 2443 # errata #16 & #28
2442 # 2444 #
2443 # - An integer division may give an incorrect 2445 # - An integer division may give an incorrect result if started in
2444 # a delay slot of a taken branch or a jump: 2446 # a delay slot of a taken branch or a jump:
2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2447 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 # erratum #52 2448 # erratum #52
2447 config CPU_R4000_WORKAROUNDS 2449 config CPU_R4000_WORKAROUNDS
2448 bool 2450 bool
2449 select CPU_R4400_WORKAROUNDS 2451 select CPU_R4400_WORKAROUNDS
2450 2452
2451 # Work around certain R4400 CPU errata (as im 2453 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 # 2454 #
2453 # - A double-word or a variable shift may giv 2455 # - A double-word or a variable shift may give an incorrect result
2454 # if executed immediately after starting an 2456 # if executed immediately after starting an integer division:
2455 # "MIPS R4400MC Errata, Processor Revision 2457 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 # "MIPS R4400MC Errata, Processor Revision 2458 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS 2459 config CPU_R4400_WORKAROUNDS
2458 bool 2460 bool
2459 2461
2460 config CPU_R4X00_BUGS64 2462 config CPU_R4X00_BUGS64
2461 bool 2463 bool
2462 default y if SYS_HAS_CPU_R4X00 && 64B 2464 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463 2465
2464 config MIPS_ASID_SHIFT 2466 config MIPS_ASID_SHIFT
2465 int 2467 int
2466 default 6 if CPU_R3000 2468 default 6 if CPU_R3000
2467 default 0 2469 default 0
2468 2470
2469 config MIPS_ASID_BITS 2471 config MIPS_ASID_BITS
2470 int 2472 int
2471 default 0 if MIPS_ASID_BITS_VARIABLE 2473 default 0 if MIPS_ASID_BITS_VARIABLE
2472 default 6 if CPU_R3000 2474 default 6 if CPU_R3000
2473 default 8 2475 default 8
2474 2476
2475 config MIPS_ASID_BITS_VARIABLE 2477 config MIPS_ASID_BITS_VARIABLE
2476 bool 2478 bool
2477 2479
2478 config MIPS_CRC_SUPPORT 2480 config MIPS_CRC_SUPPORT
2479 bool 2481 bool
2480 2482
2481 # R4600 erratum. Due to the lack of errata i 2483 # R4600 erratum. Due to the lack of errata information the exact
2482 # technical details aren't known. I've exper 2484 # technical details aren't known. I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s 2485 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue. 2486 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP 2487 config WAR_R4600_V1_INDEX_ICACHEOP
2486 bool 2488 bool
2487 2489
2488 # Pleasures of the R4600 V1.x. Cite from the 2490 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
2489 # 2491 #
2490 # 18. The CACHE instructions Hit_Writeback_I 2492 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 # Hit_Invalidate_D and Create_Dirty_Excl 2493 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 # executed if there is no other dcache a 2494 # executed if there is no other dcache activity. If the dcache is
2493 # accessed for another instruction immed 2495 # accessed for another instruction immediately preceding when these
2494 # cache instructions are executing, it i 2496 # cache instructions are executing, it is possible that the dcache
2495 # tag match outputs used by these cache 2497 # tag match outputs used by these cache instructions will be
2496 # incorrect. These cache instructions sh 2498 # incorrect. These cache instructions should be preceded by at least
2497 # four instructions that are not any kin 2499 # four instructions that are not any kind of load or store
2498 # instruction. 2500 # instruction.
2499 # 2501 #
2500 # This is not allowed: lw 2502 # This is not allowed: lw
2501 # nop 2503 # nop
2502 # nop 2504 # nop
2503 # nop 2505 # nop
2504 # cache Hi 2506 # cache Hit_Writeback_Invalidate_D
2505 # 2507 #
2506 # This is allowed: lw 2508 # This is allowed: lw
2507 # nop 2509 # nop
2508 # nop 2510 # nop
2509 # nop 2511 # nop
2510 # nop 2512 # nop
2511 # cache Hi 2513 # cache Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP 2514 config WAR_R4600_V1_HIT_CACHEOP
2513 bool 2515 bool
2514 2516
2515 # Writeback and invalidate the primary cache 2517 # Writeback and invalidate the primary cache dcache before DMA.
2516 # 2518 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2519 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2520 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach 2521 # operate correctly if the internal data cache refill buffer is empty. These
2520 # CACHE instructions should be separated from 2522 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres 2523 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa 2524 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.) 2525 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP 2526 config WAR_R4600_V2_HIT_CACHEOP
2525 bool 2527 bool
2526 2528
2527 # From TX49/H2 manual: "If the instruction (i 2529 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis 2530 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed." 2531 # operation is not guaranteed."
2530 # 2532 #
2531 # Workaround: do two phase flushing for Index 2533 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV 2534 config WAR_TX49XX_ICACHE_INDEX_INV
2533 bool 2535 bool
2534 2536
2535 # The RM7000 processors and the E9000 cores h 2537 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid 2538 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe 2539 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions. 2540 # exceptions.
2539 config WAR_ICACHE_REFILLS 2541 config WAR_ICACHE_REFILLS
2540 bool 2542 bool
2541 2543
2542 # On the R10000 up to version 2.6 (not sure a 2544 # 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 2545 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC 2546 config WAR_R10000_LLSC
2545 bool 2547 bool
2546 2548
2547 # 34K core erratum: "Problems Executing the T 2549 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB 2550 config WAR_MIPS34K_MISSED_ITLB
2549 bool 2551 bool
2550 2552
2551 # 2553 #
2552 # - Highmem only makes sense for the 32-bit k 2554 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 2555 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 2556 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 2557 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 2558 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 2559 # 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 2560 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 2561 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2562 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 2563 # know they might have memory configurations that could make use of highmem
2562 # support. 2564 # support.
2563 # 2565 #
2564 config HIGHMEM 2566 config HIGHMEM
2565 bool "High Memory Support" 2567 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2568 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567 select KMAP_LOCAL 2569 select KMAP_LOCAL
2568 2570
2569 config CPU_SUPPORTS_HIGHMEM 2571 config CPU_SUPPORTS_HIGHMEM
2570 bool 2572 bool
2571 2573
2572 config SYS_SUPPORTS_HIGHMEM 2574 config SYS_SUPPORTS_HIGHMEM
2573 bool 2575 bool
2574 2576
2575 config SYS_SUPPORTS_SMARTMIPS 2577 config SYS_SUPPORTS_SMARTMIPS
2576 bool 2578 bool
2577 2579
2578 config SYS_SUPPORTS_MICROMIPS 2580 config SYS_SUPPORTS_MICROMIPS
2579 bool 2581 bool
2580 2582
2581 config SYS_SUPPORTS_MIPS16 2583 config SYS_SUPPORTS_MIPS16
2582 bool 2584 bool
2583 help 2585 help
2584 This option must be set if a kernel 2586 This option must be set if a kernel might be executed on a MIPS16-
2585 enabled CPU even if MIPS16 is not a 2587 enabled CPU even if MIPS16 is not actually being used. In other
2586 words, it makes the kernel MIPS16-t 2588 words, it makes the kernel MIPS16-tolerant.
2587 2589
2588 config CPU_SUPPORTS_MSA 2590 config CPU_SUPPORTS_MSA
2589 bool 2591 bool
2590 2592
2591 config ARCH_FLATMEM_ENABLE 2593 config ARCH_FLATMEM_ENABLE
2592 def_bool y 2594 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF 2595 depends on !NUMA && !CPU_LOONGSON2EF
2594 2596
2595 config ARCH_SPARSEMEM_ENABLE 2597 config ARCH_SPARSEMEM_ENABLE
2596 bool 2598 bool
2597 2599
2598 config NUMA 2600 config NUMA
2599 bool "NUMA Support" 2601 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 2602 depends on SYS_SUPPORTS_NUMA
2601 select SMP 2603 select SMP
2602 select HAVE_SETUP_PER_CPU_AREA 2604 select HAVE_SETUP_PER_CPU_AREA
2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2605 select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604 help 2606 help
2605 Say Y to compile the kernel to supp 2607 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 2608 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 2609 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s 2610 leave it disabled; on single node systems leave this option
2609 disabled. 2611 disabled.
2610 2612
2611 config SYS_SUPPORTS_NUMA 2613 config SYS_SUPPORTS_NUMA
2612 bool 2614 bool
2613 2615
>> 2616 config HAVE_ARCH_NODEDATA_EXTENSION
>> 2617 bool
>> 2618
2614 config RELOCATABLE 2619 config RELOCATABLE
2615 bool "Relocatable kernel" 2620 bool "Relocatable kernel"
2616 depends on SYS_SUPPORTS_RELOCATABLE 2621 depends on SYS_SUPPORTS_RELOCATABLE
2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2622 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618 CPU_MIPS32_R5 || CPU_MIPS6 2623 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619 CPU_MIPS32_R6 || CPU_MIPS6 2624 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620 CPU_P5600 || CAVIUM_OCTEON 2625 CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621 CPU_LOONGSON64 2626 CPU_LOONGSON64
2622 help 2627 help
2623 This builds a kernel image that ret 2628 This builds a kernel image that retains relocation information
2624 so it can be loaded someplace besid 2629 so it can be loaded someplace besides the default 1MB.
2625 The relocations make the kernel bin 2630 The relocations make the kernel binary about 15% larger,
2626 but are discarded at runtime 2631 but are discarded at runtime
2627 2632
2628 config RELOCATION_TABLE_SIZE 2633 config RELOCATION_TABLE_SIZE
2629 hex "Relocation table size" 2634 hex "Relocation table size"
2630 depends on RELOCATABLE 2635 depends on RELOCATABLE
2631 range 0x0 0x01000000 2636 range 0x0 0x01000000
2632 default "0x00200000" if CPU_LOONGSON6 2637 default "0x00200000" if CPU_LOONGSON64
2633 default "0x00100000" 2638 default "0x00100000"
2634 help 2639 help
2635 A table of relocation data will be 2640 A table of relocation data will be appended to the kernel binary
2636 and parsed at boot to fix up the re 2641 and parsed at boot to fix up the relocated kernel.
2637 2642
2638 This option allows the amount of sp 2643 This option allows the amount of space reserved for the table to be
2639 adjusted, although the default of 1 2644 adjusted, although the default of 1Mb should be ok in most cases.
2640 2645
2641 The build will fail and a valid siz 2646 The build will fail and a valid size suggested if this is too small.
2642 2647
2643 If unsure, leave at the default val 2648 If unsure, leave at the default value.
2644 2649
2645 config RANDOMIZE_BASE 2650 config RANDOMIZE_BASE
2646 bool "Randomize the address of the ke 2651 bool "Randomize the address of the kernel image"
2647 depends on RELOCATABLE 2652 depends on RELOCATABLE
2648 help 2653 help
2649 Randomizes the physical and virtual 2654 Randomizes the physical and virtual address at which the
2650 kernel image is loaded, as a securi 2655 kernel image is loaded, as a security feature that
2651 deters exploit attempts relying on 2656 deters exploit attempts relying on knowledge of the location
2652 of kernel internals. 2657 of kernel internals.
2653 2658
2654 Entropy is generated using any copr 2659 Entropy is generated using any coprocessor 0 registers available.
2655 2660
2656 The kernel will be offset by up to 2661 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657 2662
2658 If unsure, say N. 2663 If unsure, say N.
2659 2664
2660 config RANDOMIZE_BASE_MAX_OFFSET 2665 config RANDOMIZE_BASE_MAX_OFFSET
2661 hex "Maximum kASLR offset" if EXPERT 2666 hex "Maximum kASLR offset" if EXPERT
2662 depends on RANDOMIZE_BASE 2667 depends on RANDOMIZE_BASE
2663 range 0x0 0x40000000 if EVA || 64BIT 2668 range 0x0 0x40000000 if EVA || 64BIT
2664 range 0x0 0x08000000 2669 range 0x0 0x08000000
2665 default "0x01000000" 2670 default "0x01000000"
2666 help 2671 help
2667 When kASLR is active, this provides 2672 When kASLR is active, this provides the maximum offset that will
2668 be applied to the kernel image. It 2673 be applied to the kernel image. It should be set according to the
2669 amount of physical RAM available in 2674 amount of physical RAM available in the target system minus
2670 PHYSICAL_START and must be a power 2675 PHYSICAL_START and must be a power of 2.
2671 2676
2672 This is limited by the size of KSEG 2677 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673 EVA or 64-bit. The default is 16Mb. 2678 EVA or 64-bit. The default is 16Mb.
2674 2679
2675 config NODES_SHIFT 2680 config NODES_SHIFT
2676 int 2681 int
2677 default "6" 2682 default "6"
2678 depends on NUMA 2683 depends on NUMA
2679 2684
2680 config HW_PERF_EVENTS 2685 config HW_PERF_EVENTS
2681 bool "Enable hardware performance cou 2686 bool "Enable hardware performance counter support for perf events"
2682 depends on PERF_EVENTS && (CPU_MIPS32 2687 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683 default y 2688 default y
2684 help 2689 help
2685 Enable hardware performance counter 2690 Enable hardware performance counter support for perf events. If
2686 disabled, perf events will use soft 2691 disabled, perf events will use software events only.
2687 2692
2688 config DMI 2693 config DMI
2689 bool "Enable DMI scanning" 2694 bool "Enable DMI scanning"
2690 depends on MACH_LOONGSON64 2695 depends on MACH_LOONGSON64
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2696 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692 default y 2697 default y
2693 help 2698 help
2694 Enabled scanning of DMI to identify 2699 Enabled scanning of DMI to identify machine quirks. Say Y
2695 here unless you have verified that 2700 here unless you have verified that your setup is not
2696 affected by entries in the DMI blac 2701 affected by entries in the DMI blacklist. Required by PNP
2697 BIOS code. 2702 BIOS code.
2698 2703
2699 config SMP 2704 config SMP
2700 bool "Multi-Processing support" 2705 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 2706 depends on SYS_SUPPORTS_SMP
2702 help 2707 help
2703 This enables support for systems wi 2708 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. 2709 a system with only one CPU, say N. If you have a system with more
2705 than one CPU, say Y. 2710 than one CPU, say Y.
2706 2711
2707 If you say N here, the kernel will 2712 If you say N here, the kernel will run on uni- and multiprocessor
2708 machines, but will use only one CPU 2713 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 2714 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc 2715 uniprocessor machines. On a uniprocessor machine, the kernel
2711 will run faster if you say N here. 2716 will run faster if you say N here.
2712 2717
2713 People using multiprocessor machine 2718 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 2719 Y to "Enhanced Real Time Clock Support", below.
2715 2720
2716 See also the SMP-HOWTO available at 2721 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how 2722 <https://www.tldp.org/docs.html#howto>.
2718 2723
2719 If you don't know what to do here, 2724 If you don't know what to do here, say N.
2720 2725
2721 config HOTPLUG_CPU 2726 config HOTPLUG_CPU
2722 bool "Support for hot-pluggable CPUs" 2727 bool "Support for hot-pluggable CPUs"
2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2728 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724 help 2729 help
2725 Say Y here to allow turning CPUs of 2730 Say Y here to allow turning CPUs off and on. CPUs can be
2726 controlled through /sys/devices/sys 2731 controlled through /sys/devices/system/cpu.
2727 (Note: power management support wil 2732 (Note: power management support will enable this option
2728 automatically on SMP systems. ) 2733 automatically on SMP systems. )
2729 Say N if you want to disable CPU ho 2734 Say N if you want to disable CPU hotplug.
2730 2735
2731 config SMP_UP 2736 config SMP_UP
2732 bool 2737 bool
2733 2738
2734 config SYS_SUPPORTS_MIPS_CPS 2739 config SYS_SUPPORTS_MIPS_CPS
2735 bool 2740 bool
2736 2741
2737 config SYS_SUPPORTS_SMP 2742 config SYS_SUPPORTS_SMP
2738 bool 2743 bool
2739 2744
2740 config NR_CPUS_DEFAULT_4 2745 config NR_CPUS_DEFAULT_4
2741 bool 2746 bool
2742 2747
2743 config NR_CPUS_DEFAULT_8 2748 config NR_CPUS_DEFAULT_8
2744 bool 2749 bool
2745 2750
2746 config NR_CPUS_DEFAULT_16 2751 config NR_CPUS_DEFAULT_16
2747 bool 2752 bool
2748 2753
2749 config NR_CPUS_DEFAULT_32 2754 config NR_CPUS_DEFAULT_32
2750 bool 2755 bool
2751 2756
2752 config NR_CPUS_DEFAULT_64 2757 config NR_CPUS_DEFAULT_64
2753 bool 2758 bool
2754 2759
2755 config NR_CPUS 2760 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" 2761 int "Maximum number of CPUs (2-256)"
2757 range 2 256 2762 range 2 256
2758 depends on SMP 2763 depends on SMP
2759 default "4" if NR_CPUS_DEFAULT_4 2764 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 2765 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 2766 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 2767 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 2768 default "64" if NR_CPUS_DEFAULT_64
2764 help 2769 help
2765 This allows you to specify the maxi 2770 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 2771 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 2772 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 2773 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 2774 and 2 for all others.
2770 2775
2771 This is purely to save memory - eac 2776 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 2777 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 2778 performance should round up your number of processors to the next
2774 power of two. 2779 power of two.
2775 2780
2776 config MIPS_PERF_SHARED_TC_COUNTERS 2781 config MIPS_PERF_SHARED_TC_COUNTERS
2777 bool 2782 bool
2778 2783
2779 config MIPS_NR_CPU_NR_MAP_1024 2784 config MIPS_NR_CPU_NR_MAP_1024
2780 bool 2785 bool
2781 2786
2782 config MIPS_NR_CPU_NR_MAP 2787 config MIPS_NR_CPU_NR_MAP
2783 int 2788 int
2784 depends on SMP 2789 depends on SMP
2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2790 default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2791 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787 2792
2788 # 2793 #
2789 # Timer Interrupt Frequency Configuration 2794 # Timer Interrupt Frequency Configuration
2790 # 2795 #
2791 2796
2792 choice 2797 choice
2793 prompt "Timer frequency" 2798 prompt "Timer frequency"
2794 default HZ_250 2799 default HZ_250
2795 help 2800 help
2796 Allows the configuration of the tim 2801 Allows the configuration of the timer frequency.
2797 2802
2798 config HZ_24 2803 config HZ_24
2799 bool "24 HZ" if SYS_SUPPORTS_ 2804 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800 2805
2801 config HZ_48 2806 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 2807 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 2808
2804 config HZ_100 2809 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 2810 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 2811
2807 config HZ_128 2812 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 2813 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 2814
2810 config HZ_250 2815 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 2816 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 2817
2813 config HZ_256 2818 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 2819 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 2820
2816 config HZ_1000 2821 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 2822 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 2823
2819 config HZ_1024 2824 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 2825 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 2826
2822 endchoice 2827 endchoice
2823 2828
2824 config SYS_SUPPORTS_24HZ 2829 config SYS_SUPPORTS_24HZ
2825 bool 2830 bool
2826 2831
2827 config SYS_SUPPORTS_48HZ 2832 config SYS_SUPPORTS_48HZ
2828 bool 2833 bool
2829 2834
2830 config SYS_SUPPORTS_100HZ 2835 config SYS_SUPPORTS_100HZ
2831 bool 2836 bool
2832 2837
2833 config SYS_SUPPORTS_128HZ 2838 config SYS_SUPPORTS_128HZ
2834 bool 2839 bool
2835 2840
2836 config SYS_SUPPORTS_250HZ 2841 config SYS_SUPPORTS_250HZ
2837 bool 2842 bool
2838 2843
2839 config SYS_SUPPORTS_256HZ 2844 config SYS_SUPPORTS_256HZ
2840 bool 2845 bool
2841 2846
2842 config SYS_SUPPORTS_1000HZ 2847 config SYS_SUPPORTS_1000HZ
2843 bool 2848 bool
2844 2849
2845 config SYS_SUPPORTS_1024HZ 2850 config SYS_SUPPORTS_1024HZ
2846 bool 2851 bool
2847 2852
2848 config SYS_SUPPORTS_ARBIT_HZ 2853 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 2854 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ 2855 default y if !SYS_SUPPORTS_24HZ && \
2851 !SYS_SUPPORTS_48HZ && \ 2856 !SYS_SUPPORTS_48HZ && \
2852 !SYS_SUPPORTS_100HZ && \ 2857 !SYS_SUPPORTS_100HZ && \
2853 !SYS_SUPPORTS_128HZ && \ 2858 !SYS_SUPPORTS_128HZ && \
2854 !SYS_SUPPORTS_250HZ && \ 2859 !SYS_SUPPORTS_250HZ && \
2855 !SYS_SUPPORTS_256HZ && \ 2860 !SYS_SUPPORTS_256HZ && \
2856 !SYS_SUPPORTS_1000HZ && 2861 !SYS_SUPPORTS_1000HZ && \
2857 !SYS_SUPPORTS_1024HZ 2862 !SYS_SUPPORTS_1024HZ
2858 2863
2859 config HZ 2864 config HZ
2860 int 2865 int
2861 default 24 if HZ_24 2866 default 24 if HZ_24
2862 default 48 if HZ_48 2867 default 48 if HZ_48
2863 default 100 if HZ_100 2868 default 100 if HZ_100
2864 default 128 if HZ_128 2869 default 128 if HZ_128
2865 default 250 if HZ_250 2870 default 250 if HZ_250
2866 default 256 if HZ_256 2871 default 256 if HZ_256
2867 default 1000 if HZ_1000 2872 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 2873 default 1024 if HZ_1024
2869 2874
2870 config SCHED_HRTICK 2875 config SCHED_HRTICK
2871 def_bool HIGH_RES_TIMERS 2876 def_bool HIGH_RES_TIMERS
2872 2877
2873 config ARCH_SUPPORTS_KEXEC !! 2878 config KEXEC
2874 def_bool y !! 2879 bool "Kexec system call"
2875 !! 2880 select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP !! 2881 help
2877 def_bool y !! 2882 kexec is a system call that implements the ability to shutdown your
>> 2883 current kernel, and to start another kernel. It is like a reboot
>> 2884 but it is independent of the system firmware. And like a reboot
>> 2885 you can start any kernel with it, not just Linux.
>> 2886
>> 2887 The name comes from the similarity to the exec system call.
>> 2888
>> 2889 It is an ongoing process to be certain the hardware in a machine
>> 2890 is properly shutdown, so do not be surprised if this code does not
>> 2891 initially work for you. As of this writing the exact hardware
>> 2892 interface is strongly in flux, so no good recommendation can be
>> 2893 made.
>> 2894
>> 2895 config CRASH_DUMP
>> 2896 bool "Kernel crash dumps"
>> 2897 help
>> 2898 Generate crash dump after being started by kexec.
>> 2899 This should be normally only set in special crash dump kernels
>> 2900 which are loaded in the main kernel with kexec-tools into
>> 2901 a specially reserved region and then later executed after
>> 2902 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2903 to a memory address not used by the main kernel or firmware using
>> 2904 PHYSICAL_START.
2878 2905
2879 config PHYSICAL_START 2906 config PHYSICAL_START
2880 hex "Physical address where the kerne 2907 hex "Physical address where the kernel is loaded"
2881 default "0xffffffff84000000" 2908 default "0xffffffff84000000"
2882 depends on CRASH_DUMP 2909 depends on CRASH_DUMP
2883 help 2910 help
2884 This gives the CKSEG0 or KSEG0 addr 2911 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885 If you plan to use kernel for captu 2912 If you plan to use kernel for capturing the crash dump change
2886 this value to start of the reserved 2913 this value to start of the reserved region (the "X" value as
2887 specified in the "crashkernel=YM@XM 2914 specified in the "crashkernel=YM@XM" command line boot parameter
2888 passed to the panic-ed kernel). 2915 passed to the panic-ed kernel).
2889 2916
2890 config MIPS_O32_FP64_SUPPORT 2917 config MIPS_O32_FP64_SUPPORT
2891 bool "Support for O32 binaries using 2918 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892 depends on 32BIT || MIPS32_O32 2919 depends on 32BIT || MIPS32_O32
2893 help 2920 help
2894 When this is enabled, the kernel wi 2921 When this is enabled, the kernel will support use of 64-bit floating
2895 point registers with binaries using 2922 point registers with binaries using the O32 ABI along with the
2896 EF_MIPS_FP64 ELF header flag (typic 2923 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897 32-bit MIPS systems this support is 2924 32-bit MIPS systems this support is at the cost of increasing the
2898 size and complexity of the compiled 2925 size and complexity of the compiled FPU emulator. Thus if you are
2899 running a MIPS32 system and know th 2926 running a MIPS32 system and know that none of your userland binaries
2900 will require 64-bit floating point, 2927 will require 64-bit floating point, you may wish to reduce the size
2901 of your kernel & potentially improv 2928 of your kernel & potentially improve FP emulation performance by
2902 saying N here. 2929 saying N here.
2903 2930
2904 Although binutils currently support 2931 Although binutils currently supports use of this flag the details
2905 concerning its effect upon the O32 2932 concerning its effect upon the O32 ABI in userland are still being
2906 worked on. In order to avoid userla 2933 worked on. In order to avoid userland becoming dependent upon current
2907 behaviour before the details have b 2934 behaviour before the details have been finalised, this option should
2908 be considered experimental and only 2935 be considered experimental and only enabled by those working upon
2909 said details. 2936 said details.
2910 2937
2911 If unsure, say N. 2938 If unsure, say N.
2912 2939
2913 config USE_OF 2940 config USE_OF
2914 bool 2941 bool
2915 select OF 2942 select OF
2916 select OF_EARLY_FLATTREE 2943 select OF_EARLY_FLATTREE
2917 select IRQ_DOMAIN 2944 select IRQ_DOMAIN
2918 2945
2919 config UHI_BOOT 2946 config UHI_BOOT
2920 bool 2947 bool
2921 2948
2922 config BUILTIN_DTB 2949 config BUILTIN_DTB
2923 bool 2950 bool
2924 2951
2925 choice 2952 choice
2926 prompt "Kernel appended dtb support" !! 2953 prompt "Kernel appended dtb support" if USE_OF
2927 depends on USE_OF <<
2928 default MIPS_NO_APPENDED_DTB 2954 default MIPS_NO_APPENDED_DTB
2929 2955
2930 config MIPS_NO_APPENDED_DTB 2956 config MIPS_NO_APPENDED_DTB
2931 bool "None" 2957 bool "None"
2932 help 2958 help
2933 Do not enable appended dtb 2959 Do not enable appended dtb support.
2934 2960
2935 config MIPS_ELF_APPENDED_DTB 2961 config MIPS_ELF_APPENDED_DTB
2936 bool "vmlinux" 2962 bool "vmlinux"
2937 help 2963 help
2938 With this option, the boot 2964 With this option, the boot code will look for a device tree binary
2939 DTB) included in the vmlinu 2965 DTB) included in the vmlinux ELF section .appended_dtb. By default
2940 it is empty and the DTB can 2966 it is empty and the DTB can be appended using binutils command
2941 objcopy: 2967 objcopy:
2942 2968
2943 objcopy --update-section 2969 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944 2970
2945 This is meant as a backward 2971 This is meant as a backward compatibility convenience for those
2946 systems with a bootloader t 2972 systems with a bootloader that can't be upgraded to accommodate
2947 the documented boot protoco 2973 the documented boot protocol using a device tree.
2948 2974
2949 config MIPS_RAW_APPENDED_DTB 2975 config MIPS_RAW_APPENDED_DTB
2950 bool "vmlinux.bin or vmlinuz. 2976 bool "vmlinux.bin or vmlinuz.bin"
2951 help 2977 help
2952 With this option, the boot 2978 With this option, the boot code will look for a device tree binary
2953 DTB) appended to raw vmlinu 2979 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954 (e.g. cat vmlinux.bin <file 2980 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955 2981
2956 This is meant as a backward 2982 This is meant as a backward compatibility convenience for those
2957 systems with a bootloader t 2983 systems with a bootloader that can't be upgraded to accommodate
2958 the documented boot protoco 2984 the documented boot protocol using a device tree.
2959 2985
2960 Beware that there is very l 2986 Beware that there is very little in terms of protection against
2961 this option being confused 2987 this option being confused by leftover garbage in memory that might
2962 look like a DTB header afte 2988 look like a DTB header after a reboot if no actual DTB is appended
2963 to vmlinux.bin. Do not lea 2989 to vmlinux.bin. Do not leave this option active in a production kernel
2964 if you don't intend to alwa 2990 if you don't intend to always append a DTB.
2965 endchoice 2991 endchoice
2966 2992
2967 choice 2993 choice
2968 prompt "Kernel command line type" !! 2994 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969 depends on !CMDLINE_OVERRIDE <<
2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2995 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971 !MAC 2996 !MACH_LOONGSON64 && !MIPS_MALTA && \
2972 !CAV 2997 !CAVIUM_OCTEON_SOC
2973 default MIPS_CMDLINE_FROM_BOOTLOADER 2998 default MIPS_CMDLINE_FROM_BOOTLOADER
2974 2999
2975 config MIPS_CMDLINE_FROM_DTB 3000 config MIPS_CMDLINE_FROM_DTB
2976 depends on USE_OF 3001 depends on USE_OF
2977 bool "Dtb kernel arguments if 3002 bool "Dtb kernel arguments if available"
2978 3003
2979 config MIPS_CMDLINE_DTB_EXTEND 3004 config MIPS_CMDLINE_DTB_EXTEND
2980 depends on USE_OF 3005 depends on USE_OF
2981 bool "Extend dtb kernel argum 3006 bool "Extend dtb kernel arguments with bootloader arguments"
2982 3007
2983 config MIPS_CMDLINE_FROM_BOOTLOADER 3008 config MIPS_CMDLINE_FROM_BOOTLOADER
2984 bool "Bootloader kernel argum 3009 bool "Bootloader kernel arguments if available"
2985 3010
2986 config MIPS_CMDLINE_BUILTIN_EXTEND 3011 config MIPS_CMDLINE_BUILTIN_EXTEND
2987 depends on CMDLINE_BOOL 3012 depends on CMDLINE_BOOL
2988 bool "Extend builtin kernel a 3013 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice 3014 endchoice
2990 3015
2991 endmenu 3016 endmenu
2992 3017
2993 config LOCKDEP_SUPPORT 3018 config LOCKDEP_SUPPORT
2994 bool 3019 bool
2995 default y 3020 default y
2996 3021
2997 config STACKTRACE_SUPPORT 3022 config STACKTRACE_SUPPORT
2998 bool 3023 bool
2999 default y 3024 default y
3000 3025
3001 config PGTABLE_LEVELS 3026 config PGTABLE_LEVELS
3002 int 3027 int
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3028 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3029 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005 default 2 3030 default 2
3006 3031
3007 config MIPS_AUTO_PFN_OFFSET 3032 config MIPS_AUTO_PFN_OFFSET
3008 bool 3033 bool
3009 3034
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3035 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 3036
3012 config PCI_DRIVERS_GENERIC 3037 config PCI_DRIVERS_GENERIC
3013 select PCI_DOMAINS_GENERIC if PCI 3038 select PCI_DOMAINS_GENERIC if PCI
3014 bool 3039 bool
3015 3040
3016 config PCI_DRIVERS_LEGACY 3041 config PCI_DRIVERS_LEGACY
3017 def_bool !PCI_DRIVERS_GENERIC 3042 def_bool !PCI_DRIVERS_GENERIC
3018 select NO_GENERIC_PCI_IOPORT_MAP 3043 select NO_GENERIC_PCI_IOPORT_MAP
3019 select PCI_DOMAINS if PCI 3044 select PCI_DOMAINS if PCI
3020 3045
3021 # 3046 #
3022 # ISA support is now enabled via select. Too 3047 # 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 3048 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 3049 # users to choose the right thing ...
3025 # 3050 #
3026 config ISA 3051 config ISA
3027 bool 3052 bool
3028 3053
3029 config TC 3054 config TC
3030 bool "TURBOchannel support" 3055 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 3056 depends on MACH_DECSTATION
3032 help 3057 help
3033 TURBOchannel is a DEC (now Compaq ( 3058 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi 3059 processors. TURBOchannel programming specifications are available
3035 at: 3060 at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a 3061 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037 and: 3062 and:
3038 <http://www.computer-refuge.org/cla 3063 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039 Linux driver support status is docu 3064 Linux driver support status is documented at:
3040 <http://www.linux-mips.org/wiki/DEC 3065 <http://www.linux-mips.org/wiki/DECstation>
3041 3066
3042 config MMU 3067 config MMU
3043 bool 3068 bool
3044 default y 3069 default y
3045 3070
3046 config ARCH_MMAP_RND_BITS_MIN 3071 config ARCH_MMAP_RND_BITS_MIN
3047 default 12 if 64BIT 3072 default 12 if 64BIT
3048 default 8 3073 default 8
3049 3074
3050 config ARCH_MMAP_RND_BITS_MAX 3075 config ARCH_MMAP_RND_BITS_MAX
3051 default 18 if 64BIT 3076 default 18 if 64BIT
3052 default 15 3077 default 15
3053 3078
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3079 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055 default 8 3080 default 8
3056 3081
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3082 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058 default 15 3083 default 15
3059 3084
3060 config I8253 3085 config I8253
3061 bool 3086 bool
3062 select CLKSRC_I8253 3087 select CLKSRC_I8253
3063 select CLKEVT_I8253 3088 select CLKEVT_I8253
3064 select MIPS_EXTERNAL_TIMER 3089 select MIPS_EXTERNAL_TIMER
3065 endmenu 3090 endmenu
3066 3091
3067 config TRAD_SIGNALS 3092 config TRAD_SIGNALS
3068 bool 3093 bool
3069 3094
3070 config MIPS32_COMPAT 3095 config MIPS32_COMPAT
3071 bool 3096 bool
3072 3097
3073 config COMPAT 3098 config COMPAT
3074 bool 3099 bool
3075 3100
3076 config MIPS32_O32 3101 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 3102 bool "Kernel support for o32 binaries"
3078 depends on 64BIT 3103 depends on 64BIT
3079 select ARCH_WANT_OLD_COMPAT_IPC 3104 select ARCH_WANT_OLD_COMPAT_IPC
3080 select COMPAT 3105 select COMPAT
3081 select MIPS32_COMPAT 3106 select MIPS32_COMPAT
3082 help 3107 help
3083 Select this option if you want to r 3108 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 3109 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 3110 existing binaries are in this format.
3086 3111
3087 If unsure, say Y. 3112 If unsure, say Y.
3088 3113
3089 config MIPS32_N32 3114 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 3115 bool "Kernel support for n32 binaries"
3091 depends on 64BIT 3116 depends on 64BIT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3117 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093 select COMPAT 3118 select COMPAT
3094 select MIPS32_COMPAT 3119 select MIPS32_COMPAT
3095 help 3120 help
3096 Select this option if you want to r 3121 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 3122 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 3123 data that would normally be 64-bit. They are used in special
3099 cases. 3124 cases.
3100 3125
3101 If unsure, say N. 3126 If unsure, say N.
3102 3127
3103 config CC_HAS_MNO_BRANCH_LIKELY 3128 config CC_HAS_MNO_BRANCH_LIKELY
3104 def_bool y 3129 def_bool y
3105 depends on $(cc-option,-mno-branch-li 3130 depends on $(cc-option,-mno-branch-likely)
3106 3131
3107 # https://github.com/llvm/llvm-project/issues 3132 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3133 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109 def_bool y if CC_IS_CLANG 3134 def_bool y if CC_IS_CLANG
3110 3135
3111 menu "Power management options" 3136 menu "Power management options"
3112 3137
3113 config ARCH_HIBERNATION_POSSIBLE 3138 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 3139 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3140 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 3141
3117 config ARCH_SUSPEND_POSSIBLE 3142 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 3143 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3144 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 3145
3121 source "kernel/power/Kconfig" 3146 source "kernel/power/Kconfig"
3122 3147
3123 endmenu 3148 endmenu
3124 3149
3125 config MIPS_EXTERNAL_TIMER 3150 config MIPS_EXTERNAL_TIMER
3126 bool 3151 bool
3127 3152
3128 menu "CPU Power Management" 3153 menu "CPU Power Management"
3129 3154
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3155 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig" 3156 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3157 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133 3158
3134 source "drivers/cpuidle/Kconfig" 3159 source "drivers/cpuidle/Kconfig"
3135 3160
3136 endmenu 3161 endmenu
3137 3162
3138 source "arch/mips/kvm/Kconfig" 3163 source "arch/mips/kvm/Kconfig"
3139 3164
3140 source "arch/mips/vdso/Kconfig" 3165 source "arch/mips/vdso/Kconfig"
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