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Diffstat (limited to 'arch/c6x/Kconfig')
| -rw-r--r-- | arch/c6x/Kconfig | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig new file mode 100644 index 000000000..a641b0bf1 --- /dev/null +++ b/arch/c6x/Kconfig @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/kconfig-language.txt. +# + +config C6X + def_bool y + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select CLKDEV_LOOKUP + select DMA_NONCOHERENT_OPS + select GENERIC_ATOMIC64 + select GENERIC_IRQ_SHOW + select HAVE_ARCH_TRACEHOOK + select HAVE_MEMBLOCK + select SPARSE_IRQ + select IRQ_DOMAIN + select OF + select OF_EARLY_FLATTREE + select GENERIC_CLOCKEVENTS + select MODULES_USE_ELF_RELA + select ARCH_NO_COHERENT_DMA_MMAP + +config MMU + def_bool n + +config FPU + def_bool n + +config RWSEM_GENERIC_SPINLOCK + def_bool y + +config GENERIC_CALIBRATE_DELAY + def_bool y + +config GENERIC_HWEIGHT + def_bool y + +config GENERIC_BUG + def_bool y + depends on BUG + +config C6X_BIG_KERNEL + bool "Build a big kernel" + help + The C6X function call instruction has a limited range of +/- 2MiB. + This is sufficient for most kernels, but some kernel configurations + with lots of compiled-in functionality may require a larger range + for function calls. Use this option to have the compiler generate + function calls with 32-bit range. This will make the kernel both + larger and slower. + + If unsure, say N. + +# Use the generic interrupt handling code in kernel/irq/ + +config CMDLINE_BOOL + bool "Default bootloader kernel arguments" + +config CMDLINE + string "Kernel command line" + depends on CMDLINE_BOOL + default "console=ttyS0,57600" + help + On some architectures there is currently no way for the boot loader + to pass arguments to the kernel. For these architectures, you should + supply some command-line options at build time by entering them + here. + +config CMDLINE_FORCE + bool "Force default kernel command string" + depends on CMDLINE_BOOL + default n + help + Set this to have arguments from the default kernel command string + override those passed by the boot loader. + +config CPU_BIG_ENDIAN + bool "Build big-endian kernel" + default n + help + Say Y if you plan on running a kernel in big-endian mode. + Note that your board must be properly built and your board + port must properly enable any big-endian related features + of your chipset/board/processor. + +config FORCE_MAX_ZONEORDER + int "Maximum zone order" + default "13" + help + The kernel memory allocator divides physically contiguous memory + blocks into "zones", where each zone is a power of two number of + pages. This option selects the largest power of two that the kernel + keeps in the memory allocator. If you need to allocate very large + blocks of physically contiguous memory, then you may need to + increase this value. + + This config option is actually maximum order plus one. For example, + a value of 11 means that the largest free memory block is 2^10 pages. + +menu "Processor type and features" + +source "arch/c6x/platforms/Kconfig" + +config KERNEL_RAM_BASE_ADDRESS + hex "Virtual address of memory base" + default 0xe0000000 if SOC_TMS320C6455 + default 0xe0000000 if SOC_TMS320C6457 + default 0xe0000000 if SOC_TMS320C6472 + default 0x80000000 + +source "kernel/Kconfig.hz" + +endmenu |