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
24 select NEED_SG_DMA_LENGTH
27 select GENERIC_SMP_IDLE_THREAD
28 select STACKTRACE_SUPPORT
29 select GENERIC_CLOCKEVENTS
30 select GENERIC_CLOCKEVENTS_BROADCAST
31 select MODULES_USE_ELF_RELA
32 select GENERIC_CPU_DEVICES
35 Qualcomm Hexagon is a processor architecture designed for high
36 performance and low power across a wide variety of applications.
38 config HEXAGON_PHYS_OFFSET
41 Platforms that don't load the kernel at zero set this.
46 config LOCKDEP_SUPPORT
58 config TRACE_IRQFLAGS_SUPPORT
65 # Use the generic interrupt handling code in kernel/irq/:
67 config GENERIC_IRQ_PROBE
70 config RWSEM_GENERIC_SPINLOCK
73 config RWSEM_XCHGADD_ALGORITHM
76 config GENERIC_HWEIGHT
79 config STACKTRACE_SUPPORT
87 menu "Machine selection"
96 Support for the Comet platform.
100 config HEXAGON_ARCH_VERSION
101 int "Architecture version"
105 string "Default kernel command string"
108 On some platforms, there is currently no way for the boot loader
109 to pass arguments to the kernel. For these, you should supply some
110 command-line options at build time by entering them here. At a
111 minimum, you should specify the memory size and the root device
112 (e.g., mem=64M root=/dev/nfs).
115 bool "Multi-Processing support"
117 Enables SMP support in the kernel. If unsure, say "Y"
120 int "Maximum number of CPUs" if SMP
125 This allows you to specify the maximum number of CPUs which this
126 kernel will support. The maximum supported value is 6 and the
127 minimum value which makes sense is 2.
129 This is purely to save memory - each supported CPU adds
130 approximately eight kilobytes to the kernel image.
133 prompt "Kernel page size"
134 default PAGE_SIZE_4KB
136 Changes the default page size; use with caution.
141 config PAGE_SIZE_16KB
144 config PAGE_SIZE_64KB
147 config PAGE_SIZE_256KB
152 source "kernel/Kconfig.hz"