1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# For a description of the syntax of this configuration file, 4*4882a593Smuzhiyun# see Documentation/kbuild/kconfig-language.rst. 5*4882a593Smuzhiyun# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyunconfig C6X 8*4882a593Smuzhiyun def_bool y 9*4882a593Smuzhiyun select ARCH_32BIT_OFF_T 10*4882a593Smuzhiyun select ARCH_HAS_BINFMT_FLAT 11*4882a593Smuzhiyun select ARCH_HAS_SYNC_DMA_FOR_CPU 12*4882a593Smuzhiyun select ARCH_HAS_SYNC_DMA_FOR_DEVICE 13*4882a593Smuzhiyun select CLKDEV_LOOKUP 14*4882a593Smuzhiyun select HAVE_LEGACY_CLK 15*4882a593Smuzhiyun select GENERIC_ATOMIC64 16*4882a593Smuzhiyun select GENERIC_IRQ_SHOW 17*4882a593Smuzhiyun select HAVE_ARCH_TRACEHOOK 18*4882a593Smuzhiyun select SPARSE_IRQ 19*4882a593Smuzhiyun select IRQ_DOMAIN 20*4882a593Smuzhiyun select OF 21*4882a593Smuzhiyun select OF_EARLY_FLATTREE 22*4882a593Smuzhiyun select GENERIC_CLOCKEVENTS 23*4882a593Smuzhiyun select MODULES_USE_ELF_RELA 24*4882a593Smuzhiyun select MMU_GATHER_NO_RANGE if MMU 25*4882a593Smuzhiyun select SET_FS 26*4882a593Smuzhiyun 27*4882a593Smuzhiyunconfig MMU 28*4882a593Smuzhiyun def_bool n 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunconfig FPU 31*4882a593Smuzhiyun def_bool n 32*4882a593Smuzhiyun 33*4882a593Smuzhiyunconfig GENERIC_CALIBRATE_DELAY 34*4882a593Smuzhiyun def_bool y 35*4882a593Smuzhiyun 36*4882a593Smuzhiyunconfig GENERIC_HWEIGHT 37*4882a593Smuzhiyun def_bool y 38*4882a593Smuzhiyun 39*4882a593Smuzhiyunconfig GENERIC_BUG 40*4882a593Smuzhiyun def_bool y 41*4882a593Smuzhiyun depends on BUG 42*4882a593Smuzhiyun 43*4882a593Smuzhiyunconfig C6X_BIG_KERNEL 44*4882a593Smuzhiyun bool "Build a big kernel" 45*4882a593Smuzhiyun help 46*4882a593Smuzhiyun The C6X function call instruction has a limited range of +/- 2MiB. 47*4882a593Smuzhiyun This is sufficient for most kernels, but some kernel configurations 48*4882a593Smuzhiyun with lots of compiled-in functionality may require a larger range 49*4882a593Smuzhiyun for function calls. Use this option to have the compiler generate 50*4882a593Smuzhiyun function calls with 32-bit range. This will make the kernel both 51*4882a593Smuzhiyun larger and slower. 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun If unsure, say N. 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun# Use the generic interrupt handling code in kernel/irq/ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyunconfig CMDLINE_BOOL 58*4882a593Smuzhiyun bool "Default bootloader kernel arguments" 59*4882a593Smuzhiyun 60*4882a593Smuzhiyunconfig CMDLINE 61*4882a593Smuzhiyun string "Kernel command line" 62*4882a593Smuzhiyun depends on CMDLINE_BOOL 63*4882a593Smuzhiyun default "console=ttyS0,57600" 64*4882a593Smuzhiyun help 65*4882a593Smuzhiyun On some architectures there is currently no way for the boot loader 66*4882a593Smuzhiyun to pass arguments to the kernel. For these architectures, you should 67*4882a593Smuzhiyun supply some command-line options at build time by entering them 68*4882a593Smuzhiyun here. 69*4882a593Smuzhiyun 70*4882a593Smuzhiyunconfig CMDLINE_FORCE 71*4882a593Smuzhiyun bool "Force default kernel command string" 72*4882a593Smuzhiyun depends on CMDLINE_BOOL 73*4882a593Smuzhiyun default n 74*4882a593Smuzhiyun help 75*4882a593Smuzhiyun Set this to have arguments from the default kernel command string 76*4882a593Smuzhiyun override those passed by the boot loader. 77*4882a593Smuzhiyun 78*4882a593Smuzhiyunconfig CPU_BIG_ENDIAN 79*4882a593Smuzhiyun bool "Build big-endian kernel" 80*4882a593Smuzhiyun default n 81*4882a593Smuzhiyun help 82*4882a593Smuzhiyun Say Y if you plan on running a kernel in big-endian mode. 83*4882a593Smuzhiyun Note that your board must be properly built and your board 84*4882a593Smuzhiyun port must properly enable any big-endian related features 85*4882a593Smuzhiyun of your chipset/board/processor. 86*4882a593Smuzhiyun 87*4882a593Smuzhiyunconfig FORCE_MAX_ZONEORDER 88*4882a593Smuzhiyun int "Maximum zone order" 89*4882a593Smuzhiyun default "13" 90*4882a593Smuzhiyun help 91*4882a593Smuzhiyun The kernel memory allocator divides physically contiguous memory 92*4882a593Smuzhiyun blocks into "zones", where each zone is a power of two number of 93*4882a593Smuzhiyun pages. This option selects the largest power of two that the kernel 94*4882a593Smuzhiyun keeps in the memory allocator. If you need to allocate very large 95*4882a593Smuzhiyun blocks of physically contiguous memory, then you may need to 96*4882a593Smuzhiyun increase this value. 97*4882a593Smuzhiyun 98*4882a593Smuzhiyun This config option is actually maximum order plus one. For example, 99*4882a593Smuzhiyun a value of 11 means that the largest free memory block is 2^10 pages. 100*4882a593Smuzhiyun 101*4882a593Smuzhiyunmenu "Processor type and features" 102*4882a593Smuzhiyun 103*4882a593Smuzhiyunsource "arch/c6x/platforms/Kconfig" 104*4882a593Smuzhiyun 105*4882a593Smuzhiyunconfig KERNEL_RAM_BASE_ADDRESS 106*4882a593Smuzhiyun hex "Virtual address of memory base" 107*4882a593Smuzhiyun default 0xe0000000 if SOC_TMS320C6455 108*4882a593Smuzhiyun default 0xe0000000 if SOC_TMS320C6457 109*4882a593Smuzhiyun default 0xe0000000 if SOC_TMS320C6472 110*4882a593Smuzhiyun default 0x80000000 111*4882a593Smuzhiyun 112*4882a593Smuzhiyunsource "kernel/Kconfig.hz" 113*4882a593Smuzhiyun 114*4882a593Smuzhiyunendmenu 115