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_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE 7 select ARCH_HAS_GCOV_PROFILE_ALL !! 8 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA 8 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 9 select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS 9 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 10 select ARCH_MIGHT_HAVE_PC_PARPORT if ISA 10 select ARCH_MIGHT_HAVE_PC_PARPORT !! 11 select ARCH_NO_PREEMPT if !COLDFIRE >> 12 select ARCH_USE_MEMTEST if MMU_MOTOROLA 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_MOD_ARCH_SPECIFIC 27 select HAVE_ARCH_SECCOMP !! 25 select HAVE_UID16 28 select HAVE_DEBUG_KMEMLEAK !! 26 select MMU_GATHER_NO_RANGE if MMU 29 select HAVE_DMA_CONTIGUOUS !! 27 select MODULES_USE_ELF_REL 30 select HAVE_DYNAMIC_FTRACE << 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 28 select MODULES_USE_ELF_RELA 39 select OF !! 29 select NO_DMA if !MMU && !COLDFIRE 40 select OF_EARLY_FLATTREE !! 30 select OLD_SIGACTION 41 select PCI_DOMAINS_GENERIC if PCI !! 31 select OLD_SIGSUSPEND3 42 select PCI_SYSCALL if PCI !! 32 select UACCESS_MEMCPY if !MMU 43 select CPU_NO_EFFICIENT_FFS !! 33 select VIRT_TO_BUS 44 select MMU_GATHER_NO_RANGE << 45 select SPARSE_IRQ << 46 select ZONE_DMA 34 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 35 58 config CPU_BIG_ENDIAN 36 config CPU_BIG_ENDIAN 59 bool "Big endian" !! 37 def_bool y 60 << 61 config CPU_LITTLE_ENDIAN << 62 bool "Little endian" << 63 << 64 endchoice << 65 38 66 config ARCH_HAS_ILOG2_U32 39 config ARCH_HAS_ILOG2_U32 67 def_bool n !! 40 bool 68 41 69 config ARCH_HAS_ILOG2_U64 42 config ARCH_HAS_ILOG2_U64 70 def_bool n !! 43 bool 71 44 72 config GENERIC_HWEIGHT 45 config GENERIC_HWEIGHT 73 def_bool y !! 46 bool >> 47 default y 74 48 75 config GENERIC_CALIBRATE_DELAY 49 config GENERIC_CALIBRATE_DELAY 76 def_bool y !! 50 bool >> 51 default y 77 52 78 config GENERIC_CSUM 53 config GENERIC_CSUM 79 def_bool y !! 54 bool 80 55 81 config STACKTRACE_SUPPORT !! 56 config TIME_LOW_RES 82 def_bool y !! 57 bool >> 58 default y 83 59 84 config LOCKDEP_SUPPORT !! 60 config NO_IOPORT_MAP 85 def_bool y 61 def_bool y 86 62 87 source "arch/microblaze/Kconfig.platform" !! 63 config HZ 88 !! 64 int 89 menu "Processor type and features" !! 65 default 1000 if CLEOPATRA >> 66 default 100 90 67 91 source "kernel/Kconfig.hz" !! 68 config PGTABLE_LEVELS >> 69 default 2 if SUN3 || COLDFIRE >> 70 default 3 92 71 93 config MMU 72 config MMU 94 def_bool y !! 73 bool "MMU-based Paged Memory Management Support" >> 74 default y >> 75 help >> 76 Select if you want MMU-based virtualised addressing space >> 77 support by paged memory management. If unsure, say 'Y'. >> 78 >> 79 config MMU_MOTOROLA >> 80 bool 95 81 96 comment "Boot options" !! 82 config MMU_COLDFIRE >> 83 bool 97 84 98 config CMDLINE_BOOL !! 85 config MMU_SUN3 99 bool "Default bootloader kernel argume !! 86 bool >> 87 depends on MMU && !MMU_MOTOROLA && !MMU_COLDFIRE 100 88 101 config CMDLINE !! 89 config KEXEC 102 string "Default kernel command string" !! 90 bool "kexec system call" 103 depends on CMDLINE_BOOL !! 91 depends on M68KCLASSIC 104 default "console=ttyUL0,115200" !! 92 select KEXEC_CORE 105 help 93 help 106 On some architectures there is curre !! 94 kexec is a system call that implements the ability to shutdown your 107 to pass arguments to the kernel. For !! 95 current kernel, and to start another kernel. It is like a reboot 108 supply some command-line options at !! 96 but it is independent of the system firmware. And like a reboot 109 here. !! 97 you can start any kernel with it, not just Linux. 110 !! 98 111 config CMDLINE_FORCE !! 99 The name comes from the similarity to the exec system call. 112 bool "Force default kernel command str !! 100 113 depends on CMDLINE_BOOL !! 101 It is an ongoing process to be certain the hardware in a machine 114 default n !! 102 is properly shutdown, so do not be surprised if this code does not >> 103 initially work for you. As of this writing the exact hardware >> 104 interface is strongly in flux, so no good recommendation can be >> 105 made. >> 106 >> 107 config BOOTINFO_PROC >> 108 bool "Export bootinfo in procfs" >> 109 depends on KEXEC && M68KCLASSIC 115 help 110 help 116 Set this to have arguments from the !! 111 Say Y to export the bootinfo used to boot the kernel in a 117 override those passed by the boot lo !! 112 "bootinfo" file in procfs. This is useful with kexec. >> 113 >> 114 menu "Platform setup" >> 115 >> 116 source "arch/m68k/Kconfig.cpu" >> 117 >> 118 source "arch/m68k/Kconfig.machine" >> 119 >> 120 source "arch/m68k/Kconfig.bus" 118 121 119 endmenu 122 endmenu 120 123 121 menu "Kernel features" !! 124 menu "Kernel Features" 122 125 123 config NR_CPUS !! 126 endmenu 124 int << 125 default "1" << 126 127 127 config ADVANCED_OPTIONS !! 128 if !MMU 128 bool "Prompt for advanced kernel confi !! 129 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. << 216 130 217 Say N here unless you know what you !! 131 config PM >> 132 bool "Power Management support" >> 133 help >> 134 Support processor power management modes 218 135 219 endmenu 136 endmenu >> 137 endif >> 138 >> 139 source "arch/m68k/Kconfig.devices"
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