1 menu "ARC architecture"
7 config USE_PRIVATE_LIBGCC
11 default "arcv1" if ISA_ARCOMPACT
12 default "arcv2" if ISA_ARCV2
15 prompt "ARC Instruction Set"
21 The original ARC ISA of ARC600/700 cores
26 ISA for the Next Generation ARC-HS cores
31 prompt "CPU selection"
32 default CPU_ARC770D if ISA_ARCOMPACT
33 default CPU_ARCHS38 if ISA_ARCV2
38 depends on ISA_ARCOMPACT
40 Choose this option to build an U-Boot for ARC750D CPU.
45 depends on ISA_ARCOMPACT
47 Choose this option to build an U-Boot for ARC770D CPU.
54 Next Generation ARC Core based on ISA-v2 ISA without MMU.
61 Next Generation ARC Core based on ISA-v2 ISA without MMU.
68 Next Generation ARC Core based on ISA-v2 ISA with MMU.
74 default ARC_MMU_V3 if CPU_ARC770D
75 default ARC_MMU_V2 if CPU_ARC750D
76 default ARC_MMU_ABSENT if CPU_ARCEM6
77 default ARC_MMU_ABSENT if CPU_ARCHS36
78 default ARC_MMU_V4 if CPU_ARCHS38
87 depends on CPU_ARC750D
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.
94 depends on CPU_ARC770D
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)
102 depends on CPU_ARCHS38
104 Introduced as a part of ARC HS38 release.
108 config CPU_BIG_ENDIAN
109 bool "Enable Big Endian Mode"
112 Build kernel for Big Endian Mode of ARC CPU
114 config SYS_ICACHE_OFF
115 bool "Do not use Instruction Cache"
118 config SYS_DCACHE_OFF
119 bool "Do not use Data Cache"
122 config ARC_CACHE_LINE_SHIFT
123 int "Cache Line Length (as power of 2)"
126 depends on !SYS_DCACHE_OFF || !SYS_ICACHE_OFF
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.
134 prompt "Target select"
139 Please select one of real target boards below!
140 This target is only meant to force "makedefconfig" to put
141 TARGET_xxx in defconfig even this is the first target from the list
147 config TARGET_ARCANGEL4
148 bool "Support arcangel4"
151 bool "Support axs101"
155 source "board/abilis/tb100/Kconfig"
156 source "board/synopsys/Kconfig"
157 source "board/synopsys/axs101/Kconfig"