xref: /openbmc/u-boot/arch/mips/Kconfig (revision 5e90470a)
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
11config USE_PRIVATE_LIBGCC
12	default y
13
14choice
15	prompt "Target select"
16	optional
17
18config TARGET_QEMU_MIPS
19	bool "Support qemu-mips"
20	select SUPPORTS_BIG_ENDIAN
21	select SUPPORTS_LITTLE_ENDIAN
22	select SUPPORTS_CPU_MIPS32_R1
23	select SUPPORTS_CPU_MIPS32_R2
24	select SUPPORTS_CPU_MIPS64_R1
25	select SUPPORTS_CPU_MIPS64_R2
26
27config TARGET_MALTA
28	bool "Support malta"
29	select SUPPORTS_BIG_ENDIAN
30	select SUPPORTS_LITTLE_ENDIAN
31	select SUPPORTS_CPU_MIPS32_R1
32	select SUPPORTS_CPU_MIPS32_R2
33	select SWAP_IO_SPACE
34
35config TARGET_VCT
36	bool "Support vct"
37	select SUPPORTS_BIG_ENDIAN
38	select SUPPORTS_CPU_MIPS32_R1
39	select SUPPORTS_CPU_MIPS32_R2
40	select SYS_MIPS_CACHE_INIT_RAM_LOAD
41
42config TARGET_DBAU1X00
43	bool "Support dbau1x00"
44	select SUPPORTS_BIG_ENDIAN
45	select SUPPORTS_LITTLE_ENDIAN
46	select SUPPORTS_CPU_MIPS32_R1
47	select SUPPORTS_CPU_MIPS32_R2
48	select SYS_MIPS_CACHE_INIT_RAM_LOAD
49
50config TARGET_PB1X00
51	bool "Support pb1x00"
52	select SUPPORTS_LITTLE_ENDIAN
53	select SUPPORTS_CPU_MIPS32_R1
54	select SUPPORTS_CPU_MIPS32_R2
55	select SYS_MIPS_CACHE_INIT_RAM_LOAD
56
57
58endchoice
59
60source "board/dbau1x00/Kconfig"
61source "board/imgtec/malta/Kconfig"
62source "board/micronas/vct/Kconfig"
63source "board/pb1x00/Kconfig"
64source "board/qemu-mips/Kconfig"
65
66if MIPS
67
68choice
69	prompt "Endianness selection"
70	help
71	  Some MIPS boards can be configured for either little or big endian
72	  byte order. These modes require different U-Boot images. In general there
73	  is one preferred byteorder for a particular system but some systems are
74	  just as commonly used in the one or the other endianness.
75
76config SYS_BIG_ENDIAN
77	bool "Big endian"
78	depends on SUPPORTS_BIG_ENDIAN
79
80config SYS_LITTLE_ENDIAN
81	bool "Little endian"
82	depends on SUPPORTS_LITTLE_ENDIAN
83
84endchoice
85
86choice
87	prompt "CPU selection"
88	default CPU_MIPS32_R2
89
90config CPU_MIPS32_R1
91	bool "MIPS32 Release 1"
92	depends on SUPPORTS_CPU_MIPS32_R1
93	select 32BIT
94	help
95	  Choose this option to build an U-Boot for release 1 or later of the
96	  MIPS32 architecture.
97
98config CPU_MIPS32_R2
99	bool "MIPS32 Release 2"
100	depends on SUPPORTS_CPU_MIPS32_R2
101	select 32BIT
102	help
103	  Choose this option to build an U-Boot for release 2 or later of the
104	  MIPS32 architecture.
105
106config CPU_MIPS64_R1
107	bool "MIPS64 Release 1"
108	depends on SUPPORTS_CPU_MIPS64_R1
109	select 64BIT
110	help
111	  Choose this option to build a kernel for release 1 or later of the
112	  MIPS64 architecture.
113
114config CPU_MIPS64_R2
115	bool "MIPS64 Release 2"
116	depends on SUPPORTS_CPU_MIPS64_R2
117	select 64BIT
118	help
119	  Choose this option to build a kernel for release 2 or later of the
120	  MIPS64 architecture.
121
122endchoice
123
124menu "OS boot interface"
125
126config MIPS_BOOT_CMDLINE_LEGACY
127	bool "Hand over legacy command line to Linux kernel"
128	default y
129	help
130	  Enable this option if you want U-Boot to hand over the Yamon-style
131	  command line to the kernel. All bootargs will be prepared as argc/argv
132	  compatible list. The argument count (argc) is stored in register $a0.
133	  The address of the argument list (argv) is stored in register $a1.
134
135config MIPS_BOOT_ENV_LEGACY
136	bool "Hand over legacy environment to Linux kernel"
137	default y
138	help
139	  Enable this option if you want U-Boot to hand over the Yamon-style
140	  environment to the kernel. Information like memory size, initrd
141	  address and size will be prepared as zero-terminated key/value list.
142	  The address of the enviroment is stored in register $a2.
143
144config MIPS_BOOT_FDT
145	bool "Hand over a flattened device tree to Linux kernel"
146	default n
147	help
148	  Enable this option if you want U-Boot to hand over a flattened
149	  device tree to the kernel. According to UHI register $a0 will be set
150	  to -2 and the FDT address is stored in $a1.
151
152endmenu
153
154config SUPPORTS_BIG_ENDIAN
155	bool
156
157config SUPPORTS_LITTLE_ENDIAN
158	bool
159
160config SUPPORTS_CPU_MIPS32_R1
161	bool
162
163config SUPPORTS_CPU_MIPS32_R2
164	bool
165
166config SUPPORTS_CPU_MIPS64_R1
167	bool
168
169config SUPPORTS_CPU_MIPS64_R2
170	bool
171
172config CPU_MIPS32
173	bool
174	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
175
176config CPU_MIPS64
177	bool
178	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
179
180config 32BIT
181	bool
182
183config 64BIT
184	bool
185
186config SWAP_IO_SPACE
187	bool
188
189config SYS_MIPS_CACHE_INIT_RAM_LOAD
190	bool
191
192endif
193
194endmenu
195