Masahiro Yamada | d3ae678 | 2014-07-30 14:08:14 +0900 | [diff] [blame] | 1 | menu "ARC architecture" |
| 2 | depends on ARC |
| 3 | |
| 4 | config SYS_ARCH |
Masahiro Yamada | d3ae678 | 2014-07-30 14:08:14 +0900 | [diff] [blame] | 5 | default "arc" |
| 6 | |
Alexey Brodkin | 93206d2 | 2015-02-03 13:58:20 +0300 | [diff] [blame] | 7 | config USE_PRIVATE_LIBGCC |
| 8 | default y |
| 9 | |
Alexey Brodkin | 7739f9f | 2014-12-25 18:47:45 +0300 | [diff] [blame] | 10 | config SYS_CPU |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 11 | default "arcv1" if ISA_ARCOMPACT |
| 12 | default "arcv2" if ISA_ARCV2 |
Alexey Brodkin | 7739f9f | 2014-12-25 18:47:45 +0300 | [diff] [blame] | 13 | |
Masahiro Yamada | d3ae678 | 2014-07-30 14:08:14 +0900 | [diff] [blame] | 14 | choice |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 15 | prompt "ARC Instruction Set" |
| 16 | default ISA_ARCOMPACT |
| 17 | |
| 18 | config ISA_ARCOMPACT |
| 19 | bool "ARCompact ISA" |
| 20 | help |
| 21 | The original ARC ISA of ARC600/700 cores |
| 22 | |
| 23 | config ISA_ARCV2 |
| 24 | bool "ARC ISA v2" |
| 25 | help |
| 26 | ISA for the Next Generation ARC-HS cores |
| 27 | |
| 28 | endchoice |
| 29 | |
| 30 | choice |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 31 | prompt "CPU selection" |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 32 | default CPU_ARC770D if ISA_ARCOMPACT |
| 33 | default CPU_ARCHS38 if ISA_ARCV2 |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 34 | |
| 35 | config CPU_ARC750D |
| 36 | bool "ARC 750D" |
| 37 | select ARC_MMU_V2 |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 38 | depends on ISA_ARCOMPACT |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 39 | help |
| 40 | Choose this option to build an U-Boot for ARC750D CPU. |
| 41 | |
| 42 | config CPU_ARC770D |
| 43 | bool "ARC 770D" |
| 44 | select ARC_MMU_V3 |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 45 | depends on ISA_ARCOMPACT |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 46 | help |
| 47 | Choose this option to build an U-Boot for ARC770D CPU. |
| 48 | |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 49 | config CPU_ARCEM6 |
| 50 | bool "ARC EM6" |
| 51 | select ARC_MMU_ABSENT |
| 52 | depends on ISA_ARCV2 |
| 53 | help |
| 54 | Next Generation ARC Core based on ISA-v2 ISA without MMU. |
| 55 | |
| 56 | config CPU_ARCHS36 |
| 57 | bool "ARC HS36" |
| 58 | select ARC_MMU_ABSENT |
| 59 | depends on ISA_ARCV2 |
| 60 | help |
| 61 | Next Generation ARC Core based on ISA-v2 ISA without MMU. |
| 62 | |
| 63 | config CPU_ARCHS38 |
| 64 | bool "ARC HS38" |
| 65 | select ARC_MMU_V4 |
| 66 | depends on ISA_ARCV2 |
| 67 | help |
| 68 | Next Generation ARC Core based on ISA-v2 ISA with MMU. |
| 69 | |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 70 | endchoice |
| 71 | |
| 72 | choice |
| 73 | prompt "MMU Version" |
| 74 | default ARC_MMU_V3 if CPU_ARC770D |
| 75 | default ARC_MMU_V2 if CPU_ARC750D |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 76 | default ARC_MMU_ABSENT if CPU_ARCEM6 |
| 77 | default ARC_MMU_ABSENT if CPU_ARCHS36 |
| 78 | default ARC_MMU_V4 if CPU_ARCHS38 |
| 79 | |
| 80 | config ARC_MMU_ABSENT |
| 81 | bool "No MMU" |
| 82 | help |
| 83 | No MMU |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 84 | |
| 85 | config ARC_MMU_V2 |
| 86 | bool "MMU v2" |
| 87 | depends on CPU_ARC750D |
| 88 | help |
| 89 | Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio |
| 90 | when 2 D-TLB and 1 I-TLB entries index into same 2way set. |
| 91 | |
| 92 | config ARC_MMU_V3 |
| 93 | bool "MMU v3" |
| 94 | depends on CPU_ARC770D |
| 95 | help |
| 96 | Introduced with ARC700 4.10: New Features |
| 97 | Variable Page size (1k-16k), var JTLB size 128 x (2 or 4) |
| 98 | Shared Address Spaces (SASID) |
| 99 | |
Alexey Brodkin | e41a3d5 | 2015-01-13 18:35:46 +0300 | [diff] [blame^] | 100 | config ARC_MMU_V4 |
| 101 | bool "MMU v4" |
| 102 | depends on CPU_ARCHS38 |
| 103 | help |
| 104 | Introduced as a part of ARC HS38 release. |
| 105 | |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 106 | endchoice |
| 107 | |
Alexey Brodkin | cbd76c3 | 2015-02-03 13:58:14 +0300 | [diff] [blame] | 108 | config CPU_BIG_ENDIAN |
| 109 | bool "Enable Big Endian Mode" |
| 110 | default n |
| 111 | help |
| 112 | Build kernel for Big Endian Mode of ARC CPU |
| 113 | |
Alexey Brodkin | 6b95cca | 2015-02-03 13:58:13 +0300 | [diff] [blame] | 114 | config SYS_ICACHE_OFF |
| 115 | bool "Do not use Instruction Cache" |
| 116 | default n |
| 117 | |
| 118 | config SYS_DCACHE_OFF |
| 119 | bool "Do not use Data Cache" |
| 120 | default n |
| 121 | |
| 122 | config ARC_CACHE_LINE_SHIFT |
| 123 | int "Cache Line Length (as power of 2)" |
| 124 | range 5 7 |
| 125 | default "6" |
| 126 | depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF |
| 127 | help |
| 128 | Starting with ARC700 4.9, Cache line length is configurable, |
| 129 | This option specifies "N", with Line-len = 2 power N |
| 130 | So line lengths of 32, 64, 128 are specified by 5,6,7, respectively |
| 131 | Linux only supports same line lengths for I and D caches. |
| 132 | |
Alexey Brodkin | f431e26 | 2015-02-03 13:58:11 +0300 | [diff] [blame] | 133 | choice |
Masahiro Yamada | d3ae678 | 2014-07-30 14:08:14 +0900 | [diff] [blame] | 134 | prompt "Target select" |
| 135 | |
| 136 | config TARGET_TB100 |
| 137 | bool "Support tb100" |
| 138 | |
| 139 | config TARGET_ARCANGEL4 |
| 140 | bool "Support arcangel4" |
| 141 | |
Masahiro Yamada | d3ae678 | 2014-07-30 14:08:14 +0900 | [diff] [blame] | 142 | config TARGET_AXS101 |
| 143 | bool "Support axs101" |
| 144 | |
| 145 | endchoice |
| 146 | |
| 147 | source "board/abilis/tb100/Kconfig" |
| 148 | source "board/synopsys/Kconfig" |
| 149 | source "board/synopsys/axs101/Kconfig" |
| 150 | |
| 151 | endmenu |