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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / ba9091f55d68fc3d7b65a710f9d47c0be15e816d / . / arch / arc / Kconfig
blob: 925e31201ef1486d23333b8b2c2b5ac8e4e3e796 [file] [log] [blame]
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]1menu "ARC architecture"
2 depends on ARC
3
4config SYS_ARCH
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]5 default "arc"
6
Alexey Brodkine20bcb02014-12-25 18:47:45 +0300[diff] [blame]7config SYS_CPU
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]8 default "arcv1" if ISA_ARCOMPACT
9 default "arcv2" if ISA_ARCV2
10
11choice
12 prompt "ARC Instruction Set"
13 default ISA_ARCOMPACT
14
15config ISA_ARCOMPACT
16 bool "ARCompact ISA"
17 help
18 The original ARC ISA of ARC600/700 cores
19
20config ISA_ARCV2
21 bool "ARC ISA v2"
22 help
23 ISA for the Next Generation ARC-HS cores
24
25endchoice
Alexey Brodkine20bcb02014-12-25 18:47:45 +0300[diff] [blame]26
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]27choice
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]28 prompt "CPU selection"
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]29 default CPU_ARC770D if ISA_ARCOMPACT
30 default CPU_ARCHS38 if ISA_ARCV2
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]31
32config CPU_ARC750D
33 bool "ARC 750D"
34 select ARC_MMU_V2
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]35 depends on ISA_ARCOMPACT
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]36 help
37 Choose this option to build an U-Boot for ARC750D CPU.
38
39config CPU_ARC770D
40 bool "ARC 770D"
41 select ARC_MMU_V3
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]42 depends on ISA_ARCOMPACT
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]43 help
44 Choose this option to build an U-Boot for ARC770D CPU.
45
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]46config CPU_ARCEM6
47 bool "ARC EM6"
48 select ARC_MMU_ABSENT
49 depends on ISA_ARCV2
50 help
51 Next Generation ARC Core based on ISA-v2 ISA without MMU.
52
53config CPU_ARCHS36
54 bool "ARC HS36"
55 select ARC_MMU_ABSENT
56 depends on ISA_ARCV2
57 help
58 Next Generation ARC Core based on ISA-v2 ISA without MMU.
59
60config CPU_ARCHS38
61 bool "ARC HS38"
62 select ARC_MMU_V4
63 depends on ISA_ARCV2
64 help
65 Next Generation ARC Core based on ISA-v2 ISA with MMU.
66
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]67endchoice
68
69choice
70 prompt "MMU Version"
71 default ARC_MMU_V3 if CPU_ARC770D
72 default ARC_MMU_V2 if CPU_ARC750D
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]73 default ARC_MMU_ABSENT if CPU_ARCEM6
74 default ARC_MMU_ABSENT if CPU_ARCHS36
75 default ARC_MMU_V4 if CPU_ARCHS38
76
77config ARC_MMU_ABSENT
78 bool "No MMU"
79 help
80 No MMU
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]81
82config ARC_MMU_V2
83 bool "MMU v2"
84 depends on CPU_ARC750D
85 help
86 Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
87 when 2 D-TLB and 1 I-TLB entries index into same 2way set.
88
89config ARC_MMU_V3
90 bool "MMU v3"
91 depends on CPU_ARC770D
92 help
93 Introduced with ARC700 4.10: New Features
94 Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
95 Shared Address Spaces (SASID)
96
Alexey Brodkinf13606b2015-01-13 18:35:46 +0300[diff] [blame]97config ARC_MMU_V4
98 bool "MMU v4"
99 depends on CPU_ARCHS38
100 help
101 Introduced as a part of ARC HS38 release.
102
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]103endchoice
104
Alexey Brodkin1f9ad442015-02-03 13:58:14 +0300[diff] [blame]105config CPU_BIG_ENDIAN
106 bool "Enable Big Endian Mode"
107 default n
108 help
109 Build kernel for Big Endian Mode of ARC CPU
110
Alexey Brodkin205e7a72015-02-03 13:58:13 +0300[diff] [blame]111config SYS_ICACHE_OFF
112 bool "Do not use Instruction Cache"
113 default n
114
115config SYS_DCACHE_OFF
116 bool "Do not use Data Cache"
117 default n
118
119config ARC_CACHE_LINE_SHIFT
120 int "Cache Line Length (as power of 2)"
121 range 5 7
122 default "6"
Alexey Brodkinb9037922015-03-17 14:26:43 +0300[diff] [blame]123 depends on !SYS_DCACHE_OFF || !SYS_ICACHE_OFF
Alexey Brodkin205e7a72015-02-03 13:58:13 +0300[diff] [blame]124 help
125 Starting with ARC700 4.9, Cache line length is configurable,
126 This option specifies "N", with Line-len = 2 power N
127 So line lengths of 32, 64, 128 are specified by 5,6,7, respectively
128 Linux only supports same line lengths for I and D caches.
129
Alexey Brodkin812980b2015-02-03 13:58:11 +0300[diff] [blame]130choice
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]131 prompt "Target select"
Joe Hershbergera26cd042015-05-12 14:46:23 -0500[diff] [blame]132 optional
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]133
134config TARGET_TB100
135 bool "Support tb100"
136
137config TARGET_ARCANGEL4
138 bool "Support arcangel4"
139
Masahiro Yamadadd840582014-07-30 14:08:14 +0900[diff] [blame]140config TARGET_AXS101
141 bool "Support axs101"
142
143endchoice
144
145source "board/abilis/tb100/Kconfig"
146source "board/synopsys/Kconfig"
147source "board/synopsys/axs101/Kconfig"
148
149endmenu