1 # SPDX-License-Identifier: GPL-2.0
2 # Hexagon configuration
3 comment "Linux Kernel Configuration for Hexagon"
7 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
10 # Other pending projects/to-do items.
11 # select HAVE_REGS_AND_STACK_ACCESS_API
12 # select HAVE_HW_BREAKPOINT if PERF_EVENTS
13 # select ARCH_HAS_CPU_IDLE_WAIT
16 # select GENERIC_PENDING_IRQ if SMP
17 select GENERIC_ATOMIC64
18 select HAVE_PERF_EVENTS
19 # GENERIC_ALLOCATOR is used by dma_alloc_coherent()
20 select GENERIC_ALLOCATOR
21 select GENERIC_IRQ_SHOW
23 select HAVE_ARCH_TRACEHOOK
25 select ARCH_DISCARD_MEMBLOCK
27 select NEED_SG_DMA_LENGTH
30 select GENERIC_SMP_IDLE_THREAD
31 select STACKTRACE_SUPPORT
32 select GENERIC_CLOCKEVENTS
33 select GENERIC_CLOCKEVENTS_BROADCAST
34 select MODULES_USE_ELF_RELA
35 select GENERIC_CPU_DEVICES
38 Qualcomm Hexagon is a processor architecture designed for high
39 performance and low power across a wide variety of applications.
41 config HEXAGON_PHYS_OFFSET
44 Platforms that don't load the kernel at zero set this.
49 config LOCKDEP_SUPPORT
61 config TRACE_IRQFLAGS_SUPPORT
68 # Use the generic interrupt handling code in kernel/irq/:
70 config GENERIC_IRQ_PROBE
73 config RWSEM_GENERIC_SPINLOCK
76 config RWSEM_XCHGADD_ALGORITHM
79 config GENERIC_HWEIGHT
82 config STACKTRACE_SUPPORT
90 menu "Machine selection"
99 Support for the Comet platform.
103 config HEXAGON_ARCH_VERSION
104 int "Architecture version"
108 string "Default kernel command string"
111 On some platforms, there is currently no way for the boot loader
112 to pass arguments to the kernel. For these, you should supply some
113 command-line options at build time by entering them here. At a
114 minimum, you should specify the memory size and the root device
115 (e.g., mem=64M root=/dev/nfs).
118 bool "Multi-Processing support"
120 Enables SMP support in the kernel. If unsure, say "Y"
123 int "Maximum number of CPUs" if SMP
128 This allows you to specify the maximum number of CPUs which this
129 kernel will support. The maximum supported value is 6 and the
130 minimum value which makes sense is 2.
132 This is purely to save memory - each supported CPU adds
133 approximately eight kilobytes to the kernel image.
136 prompt "Kernel page size"
137 default PAGE_SIZE_4KB
139 Changes the default page size; use with caution.
144 config PAGE_SIZE_16KB
147 config PAGE_SIZE_64KB
150 config PAGE_SIZE_256KB
155 source "kernel/Kconfig.hz"