Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 1 | # Hexagon configuration |
| 2 | comment "Linux Kernel Configuration for Hexagon" |
| 3 | |
| 4 | config HEXAGON |
| 5 | def_bool y |
| 6 | select HAVE_OPROFILE |
| 7 | select USE_GENERIC_SMP_HELPERS if SMP |
| 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 |
| 12 | # select ARCH_WANT_OPTIONAL_GPIOLIB |
| 13 | # select ARCH_REQUIRE_GPIOLIB |
| 14 | # select HAVE_CLK |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 15 | # select GENERIC_PENDING_IRQ if SMP |
| 16 | select GENERIC_ATOMIC64 |
| 17 | select HAVE_PERF_EVENTS |
| 18 | select HAVE_GENERIC_HARDIRQS |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 19 | # GENERIC_ALLOCATOR is used by dma_alloc_coherent() |
| 20 | select GENERIC_ALLOCATOR |
| 21 | select GENERIC_IRQ_SHOW |
| 22 | select HAVE_ARCH_KGDB |
| 23 | select HAVE_ARCH_TRACEHOOK |
| 24 | select NO_IOPORT |
Michael S. Tsirkin | 4673ca8 | 2011-11-24 14:54:28 +0200 | [diff] [blame] | 25 | select GENERIC_IOMAP |
Thomas Gleixner | 3b0132c | 2012-04-20 13:05:51 +0000 | [diff] [blame] | 26 | select GENERIC_SMP_IDLE_THREAD |
Richard Kuo | 5042ab9 | 2011-11-15 16:31:48 -0600 | [diff] [blame] | 27 | select STACKTRACE_SUPPORT |
Anna-Maria Gleixner | 24a6f35 | 2012-05-18 16:45:47 +0000 | [diff] [blame] | 28 | select KTIME_SCALAR |
| 29 | select GENERIC_CLOCKEVENTS |
| 30 | select GENERIC_CLOCKEVENTS_BROADCAST |
David Howells | 786d35d | 2012-09-28 14:31:03 +0930 | [diff] [blame] | 31 | select MODULES_USE_ELF_RELA |
Richard Kuo | 53debcd | 2012-04-03 18:15:42 -0500 | [diff] [blame] | 32 | select GENERIC_CPU_DEVICES |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 33 | ---help--- |
| 34 | Qualcomm Hexagon is a processor architecture designed for high |
| 35 | performance and low power across a wide variety of applications. |
| 36 | |
Richard Kuo | 8f5a0b9d | 2013-03-22 16:05:40 -0500 | [diff] [blame] | 37 | config HEXAGON_PHYS_OFFSET |
| 38 | def_bool y |
| 39 | ---help--- |
| 40 | Platforms that don't load the kernel at zero set this. |
| 41 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 42 | config FRAME_POINTER |
| 43 | def_bool y |
| 44 | |
| 45 | config LOCKDEP_SUPPORT |
| 46 | def_bool y |
| 47 | |
| 48 | config PCI |
| 49 | def_bool n |
| 50 | |
| 51 | config EARLY_PRINTK |
| 52 | def_bool y |
| 53 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 54 | config MMU |
| 55 | def_bool y |
| 56 | |
| 57 | config TRACE_IRQFLAGS_SUPPORT |
| 58 | def_bool y |
| 59 | |
| 60 | config GENERIC_CSUM |
| 61 | def_bool y |
| 62 | |
| 63 | # |
| 64 | # Use the generic interrupt handling code in kernel/irq/: |
| 65 | # |
| 66 | config GENERIC_IRQ_PROBE |
| 67 | def_bool y |
| 68 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 69 | config NEED_SG_DMA_LENGTH |
| 70 | def_bool y |
| 71 | |
| 72 | config RWSEM_GENERIC_SPINLOCK |
| 73 | def_bool n |
| 74 | |
| 75 | config RWSEM_XCHGADD_ALGORITHM |
| 76 | def_bool y |
| 77 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 78 | config GENERIC_HWEIGHT |
| 79 | def_bool y |
| 80 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 81 | config STACKTRACE_SUPPORT |
| 82 | def_bool y |
| 83 | select STACKTRACE |
| 84 | |
| 85 | config GENERIC_BUG |
| 86 | def_bool y |
| 87 | depends on BUG |
| 88 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 89 | menu "Machine selection" |
| 90 | |
| 91 | choice |
| 92 | prompt "System type" |
Richard Kuo | 5042ab9 | 2011-11-15 16:31:48 -0600 | [diff] [blame] | 93 | default HEXAGON_COMET |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 94 | |
| 95 | config HEXAGON_COMET |
| 96 | bool "Comet Board" |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 97 | ---help--- |
| 98 | Support for the Comet platform. |
| 99 | |
| 100 | endchoice |
| 101 | |
Richard Kuo | 66b03db | 2012-03-27 17:37:33 -0500 | [diff] [blame] | 102 | config HEXAGON_ARCH_VERSION |
| 103 | int "Architecture version" |
| 104 | default 2 |
| 105 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 106 | config CMDLINE |
| 107 | string "Default kernel command string" |
| 108 | default "" |
| 109 | help |
| 110 | On some platforms, there is currently no way for the boot loader |
| 111 | to pass arguments to the kernel. For these, you should supply some |
| 112 | command-line options at build time by entering them here. At a |
| 113 | minimum, you should specify the memory size and the root device |
| 114 | (e.g., mem=64M root=/dev/nfs). |
| 115 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 116 | config SMP |
| 117 | bool "Multi-Processing support" |
| 118 | ---help--- |
| 119 | Enables SMP support in the kernel. If unsure, say "Y" |
| 120 | |
| 121 | config NR_CPUS |
| 122 | int "Maximum number of CPUs" if SMP |
| 123 | range 2 6 if SMP |
| 124 | default "1" if !SMP |
| 125 | default "6" if SMP |
| 126 | ---help--- |
| 127 | This allows you to specify the maximum number of CPUs which this |
| 128 | kernel will support. The maximum supported value is 6 and the |
| 129 | minimum value which makes sense is 2. |
| 130 | |
| 131 | This is purely to save memory - each supported CPU adds |
| 132 | approximately eight kilobytes to the kernel image. |
| 133 | |
| 134 | choice |
| 135 | prompt "Kernel page size" |
| 136 | default PAGE_SIZE_4KB |
| 137 | ---help--- |
| 138 | Changes the default page size; use with caution. |
| 139 | |
| 140 | config PAGE_SIZE_4KB |
| 141 | bool "4KB" |
| 142 | |
| 143 | config PAGE_SIZE_16KB |
| 144 | bool "16KB" |
| 145 | |
| 146 | config PAGE_SIZE_64KB |
| 147 | bool "64KB" |
| 148 | |
| 149 | config PAGE_SIZE_256KB |
| 150 | bool "256KB" |
| 151 | |
| 152 | endchoice |
| 153 | |
| 154 | source "mm/Kconfig" |
| 155 | |
| 156 | source "kernel/Kconfig.hz" |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 157 | |
Richard Kuo | e95bf45 | 2011-10-31 18:55:58 -0500 | [diff] [blame] | 158 | endmenu |
| 159 | |
| 160 | source "init/Kconfig" |
| 161 | source "drivers/Kconfig" |
| 162 | source "fs/Kconfig" |
| 163 | |
| 164 | menu "Executable File Formats" |
| 165 | source "fs/Kconfig.binfmt" |
| 166 | endmenu |
| 167 | |
| 168 | source "net/Kconfig" |
| 169 | source "security/Kconfig" |
| 170 | source "crypto/Kconfig" |
| 171 | source "lib/Kconfig" |
| 172 | |
| 173 | menu "Kernel hacking" |
| 174 | source "lib/Kconfig.debug" |
| 175 | endmenu |