xref: /openbmc/u-boot/arch/mips/Kconfig (revision 83bf0057)
1menu "MIPS architecture"
2	depends on MIPS
3
4config SYS_ARCH
5	default "mips"
6
7config SYS_CPU
8	default "mips32" if CPU_MIPS32_R1 || CPU_MIPS32_R2
9	default "mips64" if CPU_MIPS64_R1 || CPU_MIPS64_R2
10
11choice
12	prompt "Target select"
13	optional
14
15config TARGET_QEMU_MIPS
16	bool "Support qemu-mips"
17	select SUPPORTS_BIG_ENDIAN
18	select SUPPORTS_LITTLE_ENDIAN
19	select SUPPORTS_CPU_MIPS32_R1
20	select SUPPORTS_CPU_MIPS32_R2
21	select SUPPORTS_CPU_MIPS64_R1
22	select SUPPORTS_CPU_MIPS64_R2
23
24config TARGET_MALTA
25	bool "Support malta"
26	select SUPPORTS_BIG_ENDIAN
27	select SUPPORTS_LITTLE_ENDIAN
28	select SUPPORTS_CPU_MIPS32_R1
29	select SUPPORTS_CPU_MIPS32_R2
30	select SWAP_IO_SPACE
31
32config TARGET_VCT
33	bool "Support vct"
34	select SUPPORTS_BIG_ENDIAN
35	select SUPPORTS_CPU_MIPS32_R1
36	select SUPPORTS_CPU_MIPS32_R2
37	select SYS_MIPS_CACHE_INIT_RAM_LOAD
38
39config TARGET_DBAU1X00
40	bool "Support dbau1x00"
41	select SUPPORTS_BIG_ENDIAN
42	select SUPPORTS_LITTLE_ENDIAN
43	select SUPPORTS_CPU_MIPS32_R1
44	select SUPPORTS_CPU_MIPS32_R2
45	select SYS_MIPS_CACHE_INIT_RAM_LOAD
46
47config TARGET_PB1X00
48	bool "Support pb1x00"
49	select SUPPORTS_LITTLE_ENDIAN
50	select SUPPORTS_CPU_MIPS32_R1
51	select SUPPORTS_CPU_MIPS32_R2
52	select SYS_MIPS_CACHE_INIT_RAM_LOAD
53
54
55endchoice
56
57source "board/dbau1x00/Kconfig"
58source "board/imgtec/malta/Kconfig"
59source "board/micronas/vct/Kconfig"
60source "board/pb1x00/Kconfig"
61source "board/qemu-mips/Kconfig"
62
63if MIPS
64
65choice
66	prompt "Endianness selection"
67	help
68	  Some MIPS boards can be configured for either little or big endian
69	  byte order. These modes require different U-Boot images. In general there
70	  is one preferred byteorder for a particular system but some systems are
71	  just as commonly used in the one or the other endianness.
72
73config SYS_BIG_ENDIAN
74	bool "Big endian"
75	depends on SUPPORTS_BIG_ENDIAN
76
77config SYS_LITTLE_ENDIAN
78	bool "Little endian"
79	depends on SUPPORTS_LITTLE_ENDIAN
80
81endchoice
82
83choice
84	prompt "CPU selection"
85	default CPU_MIPS32_R2
86
87config CPU_MIPS32_R1
88	bool "MIPS32 Release 1"
89	depends on SUPPORTS_CPU_MIPS32_R1
90	select 32BIT
91	help
92	  Choose this option to build an U-Boot for release 1 or later of the
93	  MIPS32 architecture.
94
95config CPU_MIPS32_R2
96	bool "MIPS32 Release 2"
97	depends on SUPPORTS_CPU_MIPS32_R2
98	select 32BIT
99	help
100	  Choose this option to build an U-Boot for release 2 or later of the
101	  MIPS32 architecture.
102
103config CPU_MIPS64_R1
104	bool "MIPS64 Release 1"
105	depends on SUPPORTS_CPU_MIPS64_R1
106	select 64BIT
107	help
108	  Choose this option to build a kernel for release 1 or later of the
109	  MIPS64 architecture.
110
111config CPU_MIPS64_R2
112	bool "MIPS64 Release 2"
113	depends on SUPPORTS_CPU_MIPS64_R2
114	select 64BIT
115	help
116	  Choose this option to build a kernel for release 2 or later of the
117	  MIPS64 architecture.
118
119endchoice
120
121menu "OS boot interface"
122
123config MIPS_BOOT_CMDLINE_LEGACY
124	bool "Hand over legacy command line to Linux kernel"
125	default y
126	help
127	  Enable this option if you want U-Boot to hand over the Yamon-style
128	  command line to the kernel. All bootargs will be prepared as argc/argv
129	  compatible list. The argument count (argc) is stored in register $a0.
130	  The address of the argument list (argv) is stored in register $a1.
131
132config MIPS_BOOT_ENV_LEGACY
133	bool "Hand over legacy environment to Linux kernel"
134	default y
135	help
136	  Enable this option if you want U-Boot to hand over the Yamon-style
137	  environment to the kernel. Information like memory size, initrd
138	  address and size will be prepared as zero-terminated key/value list.
139	  The address of the enviroment is stored in register $a2.
140
141config MIPS_BOOT_FDT
142	bool "Hand over a flattened device tree to Linux kernel"
143	default n
144	help
145	  Enable this option if you want U-Boot to hand over a flattened
146	  device tree to the kernel. According to UHI register $a0 will be set
147	  to -2 and the FDT address is stored in $a1.
148
149endmenu
150
151config SUPPORTS_BIG_ENDIAN
152	bool
153
154config SUPPORTS_LITTLE_ENDIAN
155	bool
156
157config SUPPORTS_CPU_MIPS32_R1
158	bool
159
160config SUPPORTS_CPU_MIPS32_R2
161	bool
162
163config SUPPORTS_CPU_MIPS64_R1
164	bool
165
166config SUPPORTS_CPU_MIPS64_R2
167	bool
168
169config CPU_MIPS32
170	bool
171	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
172
173config CPU_MIPS64
174	bool
175	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
176
177config 32BIT
178	bool
179
180config 64BIT
181	bool
182
183config SWAP_IO_SPACE
184	bool
185
186config SYS_MIPS_CACHE_INIT_RAM_LOAD
187	bool
188
189endif
190
191endmenu
192