1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # SPDX-License-Identifier: GPL-2.0 2 config MICROBLAZE !! 2 config M68K 3 def_bool y !! 3 bool >> 4 default y 4 select ARCH_32BIT_OFF_T 5 select ARCH_32BIT_OFF_T 5 select ARCH_NO_SWAP !! 6 select ARCH_HAS_BINFMT_FLAT 6 select ARCH_HAS_DMA_PREP_COHERENT !! 7 select ARCH_HAS_CPU_FINALIZE_INIT if MMU 7 select ARCH_HAS_GCOV_PROFILE_ALL !! 8 select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE 8 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 9 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA 9 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 10 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS 10 select ARCH_MIGHT_HAVE_PC_PARPORT !! 11 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA >> 12 select ARCH_NO_PREEMPT if !COLDFIRE 11 select ARCH_WANT_IPC_PARSE_VERSION 13 select ARCH_WANT_IPC_PARSE_VERSION 12 select BUILDTIME_TABLE_SORT !! 14 select BINFMT_FLAT_ARGVP_ENVP_ON_STACK 13 select TIMER_OF !! 15 select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE 14 select CLONE_BACKWARDS3 << 15 select COMMON_CLK << 16 select DMA_DIRECT_REMAP << 17 select GENERIC_ATOMIC64 16 select GENERIC_ATOMIC64 18 select GENERIC_CPU_DEVICES 17 select GENERIC_CPU_DEVICES 19 select GENERIC_IDLE_POLL_SETUP !! 18 select GENERIC_IOMAP 20 select GENERIC_IRQ_PROBE << 21 select GENERIC_IRQ_SHOW 19 select GENERIC_IRQ_SHOW 22 select GENERIC_PCI_IOMAP !! 20 select HAVE_AOUT if MMU 23 select GENERIC_SCHED_CLOCK !! 21 select HAVE_ASM_MODVERSIONS 24 select HAS_IOPORT if PCI !! 22 select HAVE_DEBUG_BUGVERBOSE 25 select HAVE_ARCH_HASH !! 23 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_HAS_NO_UNALIGNED 26 select HAVE_ARCH_KGDB !! 24 select HAVE_FUTEX_CMPXCHG if MMU && FUTEX 27 select HAVE_ARCH_SECCOMP !! 25 select HAVE_MOD_ARCH_SPECIFIC 28 select HAVE_DEBUG_KMEMLEAK !! 26 select HAVE_UID16 29 select HAVE_DMA_CONTIGUOUS !! 27 select MMU_GATHER_NO_RANGE if MMU 30 select HAVE_DYNAMIC_FTRACE !! 28 select MODULES_USE_ELF_REL 31 select HAVE_FTRACE_MCOUNT_RECORD << 32 select HAVE_FUNCTION_GRAPH_TRACER << 33 select HAVE_FUNCTION_TRACER << 34 select HAVE_PAGE_SIZE_4KB << 35 select HAVE_PCI << 36 select IRQ_DOMAIN << 37 select XILINX_INTC << 38 select MODULES_USE_ELF_RELA 29 select MODULES_USE_ELF_RELA 39 select OF !! 30 select NO_DMA if !MMU && !COLDFIRE 40 select OF_EARLY_FLATTREE !! 31 select OLD_SIGACTION 41 select PCI_DOMAINS_GENERIC if PCI !! 32 select OLD_SIGSUSPEND3 42 select PCI_SYSCALL if PCI !! 33 select UACCESS_MEMCPY if !MMU 43 select CPU_NO_EFFICIENT_FFS !! 34 select VIRT_TO_BUS 44 select MMU_GATHER_NO_RANGE << 45 select SPARSE_IRQ << 46 select ZONE_DMA 35 select ZONE_DMA 47 select TRACE_IRQFLAGS_SUPPORT << 48 select GENERIC_IRQ_MULTI_HANDLER << 49 << 50 # Endianness selection << 51 choice << 52 prompt "Endianness selection" << 53 default CPU_LITTLE_ENDIAN << 54 help << 55 microblaze architectures can be conf << 56 big endian formats. Be sure to selec << 57 36 58 config CPU_BIG_ENDIAN 37 config CPU_BIG_ENDIAN 59 bool "Big endian" !! 38 def_bool y 60 << 61 config CPU_LITTLE_ENDIAN << 62 bool "Little endian" << 63 << 64 endchoice << 65 39 66 config ARCH_HAS_ILOG2_U32 40 config ARCH_HAS_ILOG2_U32 67 def_bool n !! 41 bool 68 42 69 config ARCH_HAS_ILOG2_U64 43 config ARCH_HAS_ILOG2_U64 70 def_bool n !! 44 bool 71 45 72 config GENERIC_HWEIGHT 46 config GENERIC_HWEIGHT 73 def_bool y !! 47 bool >> 48 default y 74 49 75 config GENERIC_CALIBRATE_DELAY 50 config GENERIC_CALIBRATE_DELAY 76 def_bool y !! 51 bool >> 52 default y 77 53 78 config GENERIC_CSUM 54 config GENERIC_CSUM 79 def_bool y !! 55 bool 80 56 81 config STACKTRACE_SUPPORT !! 57 config TIME_LOW_RES 82 def_bool y !! 58 bool >> 59 default y 83 60 84 config LOCKDEP_SUPPORT !! 61 config NO_IOPORT_MAP 85 def_bool y 62 def_bool y 86 63 87 source "arch/microblaze/Kconfig.platform" !! 64 config HZ 88 !! 65 int 89 menu "Processor type and features" !! 66 default 1000 if CLEOPATRA >> 67 default 100 90 68 91 source "kernel/Kconfig.hz" !! 69 config PGTABLE_LEVELS >> 70 default 2 if SUN3 || COLDFIRE >> 71 default 3 92 72 93 config MMU 73 config MMU 94 def_bool y !! 74 bool "MMU-based Paged Memory Management Support" >> 75 default y >> 76 help >> 77 Select if you want MMU-based virtualised addressing space >> 78 support by paged memory management. If unsure, say 'Y'. >> 79 >> 80 config MMU_MOTOROLA >> 81 bool 95 82 96 comment "Boot options" !! 83 config MMU_COLDFIRE >> 84 bool 97 85 98 config CMDLINE_BOOL !! 86 config MMU_SUN3 99 bool "Default bootloader kernel argume !! 87 bool >> 88 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE 100 89 101 config CMDLINE !! 90 config KEXEC 102 string "Default kernel command string" !! 91 bool "kexec system call" 103 depends on CMDLINE_BOOL !! 92 depends on M68KCLASSIC 104 default "console=ttyUL0,115200" !! 93 select KEXEC_CORE 105 help 94 help 106 On some architectures there is curre !! 95 kexec is a system call that implements the ability to shutdown your 107 to pass arguments to the kernel. For !! 96 current kernel, and to start another kernel. It is like a reboot 108 supply some command-line options at !! 97 but it is independent of the system firmware. And like a reboot 109 here. !! 98 you can start any kernel with it, not just Linux. 110 !! 99 111 config CMDLINE_FORCE !! 100 The name comes from the similarity to the exec system call. 112 bool "Force default kernel command str !! 101 113 depends on CMDLINE_BOOL !! 102 It is an ongoing process to be certain the hardware in a machine 114 default n !! 103 is properly shutdown, so do not be surprised if this code does not >> 104 initially work for you. As of this writing the exact hardware >> 105 interface is strongly in flux, so no good recommendation can be >> 106 made. >> 107 >> 108 config BOOTINFO_PROC >> 109 bool "Export bootinfo in procfs" >> 110 depends on KEXEC && M68KCLASSIC 115 help 111 help 116 Set this to have arguments from the !! 112 Say Y to export the bootinfo used to boot the kernel in a 117 override those passed by the boot lo !! 113 "bootinfo" file in procfs. This is useful with kexec. >> 114 >> 115 menu "Platform setup" >> 116 >> 117 source "arch/m68k/Kconfig.cpu" >> 118 >> 119 source "arch/m68k/Kconfig.machine" >> 120 >> 121 source "arch/m68k/Kconfig.bus" 118 122 119 endmenu 123 endmenu 120 124 121 menu "Kernel features" !! 125 menu "Kernel Features" 122 126 123 config NR_CPUS !! 127 endmenu 124 int << 125 default "1" << 126 128 127 config ADVANCED_OPTIONS !! 129 if !MMU 128 bool "Prompt for advanced kernel confi !! 130 menu "Power management options" 129 help << 130 This option will enable prompting fo << 131 configuration options. These option << 132 work if they are set incorrectly, bu << 133 aspects of kernel memory management. << 134 << 135 Unless you know what you are doing, << 136 << 137 comment "Default settings for advanced configu << 138 depends on !ADVANCED_OPTIONS << 139 << 140 config HIGHMEM << 141 bool "High memory support" << 142 select KMAP_LOCAL << 143 help << 144 The address space of Microblaze proc << 145 and it has to accommodate user addre << 146 space as well as some memory mapped << 147 have a large amount of physical memo << 148 memory can be "permanently mapped" b << 149 memory that is not permanently mappe << 150 << 151 If unsure, say n. << 152 << 153 config LOWMEM_SIZE_BOOL << 154 bool "Set maximum low memory" << 155 depends on ADVANCED_OPTIONS << 156 help << 157 This option allows you to set the ma << 158 will be used as "low memory", that i << 159 access directly, without having to s << 160 This can be useful in optimizing the << 161 memory. << 162 << 163 Say N here unless you know what you << 164 << 165 config LOWMEM_SIZE << 166 hex "Maximum low memory size (in bytes << 167 default "0x30000000" << 168 << 169 config MANUAL_RESET_VECTOR << 170 hex "Microblaze reset vector address s << 171 default "0x0" << 172 help << 173 Set this option to have the kernel o << 174 If zero, no change will be made to t << 175 address 0x0. << 176 If non-zero, a jump instruction to t << 177 to the reset vector at address 0x0. << 178 If you are unsure, set it to default << 179 << 180 config KERNEL_START_BOOL << 181 bool "Set custom kernel base address" << 182 depends on ADVANCED_OPTIONS << 183 help << 184 This option allows you to set the ke << 185 the kernel will map low memory (the << 186 this address). This can be useful i << 187 layout of the system. << 188 << 189 Say N here unless you know what you << 190 << 191 config KERNEL_START << 192 hex "Virtual address of kernel base" i << 193 default "0xc0000000" << 194 << 195 config TASK_SIZE_BOOL << 196 bool "Set custom user task size" << 197 depends on ADVANCED_OPTIONS << 198 help << 199 This option allows you to set the am << 200 allocated to user tasks. This can b << 201 virtual memory layout of the system. << 202 << 203 Say N here unless you know what you << 204 << 205 config TASK_SIZE << 206 hex "Size of user task space" if TASK_ << 207 default "0x80000000" << 208 << 209 config MB_MANAGER << 210 bool "Support for Microblaze Manager" << 211 depends on ADVANCED_OPTIONS << 212 help << 213 This option enables API for configur << 214 control register, which is consumed << 215 block the break. << 216 131 217 Say N here unless you know what you !! 132 config PM >> 133 bool "Power Management support" >> 134 help >> 135 Support processor power management modes 218 136 219 endmenu 137 endmenu >> 138 endif >> 139 >> 140 source "arch/m68k/Kconfig.devices"
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