Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 2 | # Hexagon configuration |
| 3 | comment "Linux Kernel Configuration for Hexagon" |
| 4 | |
| 5 | config HEXAGON |
| 6 | def_bool y |
| 7 | select HAVE_OPROFILE |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 8 | # Other pending projects/to-do items. |
| 9 | # select HAVE_REGS_AND_STACK_ACCESS_API |
| 10 | # select HAVE_HW_BREAKPOINT if PERF_EVENTS |
| 11 | # select ARCH_HAS_CPU_IDLE_WAIT |
Linus Walleij | d4f80b8 | 2016-04-19 11:15:21 +0200 | [diff] [blame] | 12 | # select GPIOLIB |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 13 | # select HAVE_CLK |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 14 | # select GENERIC_PENDING_IRQ if SMP |
| 15 | select GENERIC_ATOMIC64 |
| 16 | select HAVE_PERF_EVENTS |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 17 | # GENERIC_ALLOCATOR is used by dma_alloc_coherent() |
| 18 | select GENERIC_ALLOCATOR |
| 19 | select GENERIC_IRQ_SHOW |
| 20 | select HAVE_ARCH_KGDB |
| 21 | select HAVE_ARCH_TRACEHOOK |
Christoph Hellwig | 86596f0 | 2018-04-05 09:44:52 +0200 | [diff] [blame] | 22 | select NEED_SG_DMA_LENGTH |
Uwe Kleine-König | ce816fa | 2014-04-07 15:39:19 -0700 | [diff] [blame] | 23 | select NO_IOPORT_MAP |
Michael S. Tsirkin | 4673ca8 | 2011-11-24 14:54:28 +0200 | [diff] [blame] | 24 | select GENERIC_IOMAP |
Thomas Gleixner | 3b0132c | 2012-04-20 13:05:51 +0000 | [diff] [blame] | 25 | select GENERIC_SMP_IDLE_THREAD |
Richard Kuo | 5042ab9 | 2011-11-15 16:31:48 -0600 | [diff] [blame] | 26 | select STACKTRACE_SUPPORT |
Anna-Maria Gleixner | 24a6f35 | 2012-05-18 16:45:47 +0000 | [diff] [blame] | 27 | select GENERIC_CLOCKEVENTS |
| 28 | select GENERIC_CLOCKEVENTS_BROADCAST |
David Howells | 786d35d | 2012-09-28 14:31:03 +0930 | [diff] [blame] | 29 | select MODULES_USE_ELF_RELA |
Richard Kuo | 53debcd | 2012-04-03 18:15:42 -0500 | [diff] [blame] | 30 | select GENERIC_CPU_DEVICES |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 31 | ---help--- |
| 32 | Qualcomm Hexagon is a processor architecture designed for high |
| 33 | performance and low power across a wide variety of applications. |
| 34 | |
Richard Kuo | 8f5a0b9d | 2013-03-22 16:05:40 -0500 | [diff] [blame] | 35 | config HEXAGON_PHYS_OFFSET |
| 36 | def_bool y |
| 37 | ---help--- |
| 38 | Platforms that don't load the kernel at zero set this. |
| 39 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 40 | config FRAME_POINTER |
| 41 | def_bool y |
| 42 | |
| 43 | config LOCKDEP_SUPPORT |
| 44 | def_bool y |
| 45 | |
| 46 | config PCI |
| 47 | def_bool n |
| 48 | |
| 49 | config EARLY_PRINTK |
| 50 | def_bool y |
| 51 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 52 | config MMU |
| 53 | def_bool y |
| 54 | |
| 55 | config TRACE_IRQFLAGS_SUPPORT |
| 56 | def_bool y |
| 57 | |
| 58 | config GENERIC_CSUM |
| 59 | def_bool y |
| 60 | |
| 61 | # |
| 62 | # Use the generic interrupt handling code in kernel/irq/: |
| 63 | # |
| 64 | config GENERIC_IRQ_PROBE |
| 65 | def_bool y |
| 66 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 67 | config RWSEM_GENERIC_SPINLOCK |
| 68 | def_bool n |
| 69 | |
| 70 | config RWSEM_XCHGADD_ALGORITHM |
| 71 | def_bool y |
| 72 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 73 | config GENERIC_HWEIGHT |
| 74 | def_bool y |
| 75 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 76 | config STACKTRACE_SUPPORT |
| 77 | def_bool y |
| 78 | select STACKTRACE |
| 79 | |
| 80 | config GENERIC_BUG |
| 81 | def_bool y |
| 82 | depends on BUG |
| 83 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 84 | menu "Machine selection" |
| 85 | |
| 86 | choice |
| 87 | prompt "System type" |
Richard Kuo | 5042ab9 | 2011-11-15 16:31:48 -0600 | [diff] [blame] | 88 | default HEXAGON_COMET |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 89 | |
| 90 | config HEXAGON_COMET |
| 91 | bool "Comet Board" |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 92 | ---help--- |
| 93 | Support for the Comet platform. |
| 94 | |
| 95 | endchoice |
| 96 | |
Richard Kuo | 66b03db | 2012-03-27 17:37:33 -0500 | [diff] [blame] | 97 | config HEXAGON_ARCH_VERSION |
| 98 | int "Architecture version" |
| 99 | default 2 |
| 100 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 101 | config CMDLINE |
| 102 | string "Default kernel command string" |
| 103 | default "" |
| 104 | help |
| 105 | On some platforms, there is currently no way for the boot loader |
| 106 | to pass arguments to the kernel. For these, you should supply some |
| 107 | command-line options at build time by entering them here. At a |
| 108 | minimum, you should specify the memory size and the root device |
| 109 | (e.g., mem=64M root=/dev/nfs). |
| 110 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 111 | config SMP |
| 112 | bool "Multi-Processing support" |
| 113 | ---help--- |
| 114 | Enables SMP support in the kernel. If unsure, say "Y" |
| 115 | |
| 116 | config NR_CPUS |
| 117 | int "Maximum number of CPUs" if SMP |
| 118 | range 2 6 if SMP |
| 119 | default "1" if !SMP |
| 120 | default "6" if SMP |
| 121 | ---help--- |
| 122 | This allows you to specify the maximum number of CPUs which this |
| 123 | kernel will support. The maximum supported value is 6 and the |
| 124 | minimum value which makes sense is 2. |
| 125 | |
| 126 | This is purely to save memory - each supported CPU adds |
| 127 | approximately eight kilobytes to the kernel image. |
| 128 | |
| 129 | choice |
| 130 | prompt "Kernel page size" |
| 131 | default PAGE_SIZE_4KB |
| 132 | ---help--- |
| 133 | Changes the default page size; use with caution. |
| 134 | |
| 135 | config PAGE_SIZE_4KB |
| 136 | bool "4KB" |
| 137 | |
| 138 | config PAGE_SIZE_16KB |
| 139 | bool "16KB" |
| 140 | |
| 141 | config PAGE_SIZE_64KB |
| 142 | bool "64KB" |
| 143 | |
| 144 | config PAGE_SIZE_256KB |
| 145 | bool "256KB" |
| 146 | |
| 147 | endchoice |
| 148 | |
| 149 | source "mm/Kconfig" |
| 150 | |
| 151 | source "kernel/Kconfig.hz" |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 152 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 153 | endmenu |
| 154 | |
| 155 | source "init/Kconfig" |
Chen Gang | 57a1a19 | 2013-08-13 16:01:02 -0700 | [diff] [blame] | 156 | source "kernel/Kconfig.freezer" |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 157 | source "drivers/Kconfig" |
| 158 | source "fs/Kconfig" |
| 159 | |
| 160 | menu "Executable File Formats" |
| 161 | source "fs/Kconfig.binfmt" |
| 162 | endmenu |
| 163 | |
| 164 | source "net/Kconfig" |
| 165 | source "security/Kconfig" |
| 166 | source "crypto/Kconfig" |
| 167 | source "lib/Kconfig" |
| 168 | |
| 169 | menu "Kernel hacking" |
| 170 | source "lib/Kconfig.debug" |
| 171 | endmenu |