xref: /openbmc/u-boot/arch/mips/Kconfig (revision 1b965432)
1menu "MIPS architecture"
2	depends on MIPS
3
4config SYS_ARCH
5	default "mips"
6
7config SYS_CPU
8	default "mips32" if CPU_MIPS32
9	default "mips64" if CPU_MIPS64
10
11choice
12	prompt "Target select"
13	optional
14
15config TARGET_QEMU_MIPS
16	bool "Support qemu-mips"
17	select ROM_EXCEPTION_VECTORS
18	select SUPPORTS_BIG_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	select SUPPORTS_LITTLE_ENDIAN
24
25config TARGET_MALTA
26	bool "Support malta"
27	select DM
28	select DM_SERIAL
29	select DYNAMIC_IO_PORT_BASE
30	select MIPS_CM
31	select MIPS_INSERT_BOOT_CONFIG
32	select MIPS_L1_CACHE_SHIFT_6
33	select MIPS_L2_CACHE
34	select OF_CONTROL
35	select OF_ISA_BUS
36	select ROM_EXCEPTION_VECTORS
37	select SUPPORTS_BIG_ENDIAN
38	select SUPPORTS_CPU_MIPS32_R1
39	select SUPPORTS_CPU_MIPS32_R2
40	select SUPPORTS_CPU_MIPS32_R6
41	select SUPPORTS_CPU_MIPS64_R1
42	select SUPPORTS_CPU_MIPS64_R2
43	select SUPPORTS_CPU_MIPS64_R6
44	select SUPPORTS_LITTLE_ENDIAN
45	select SWAP_IO_SPACE
46	imply CMD_DM
47
48config TARGET_VCT
49	bool "Support vct"
50	select ROM_EXCEPTION_VECTORS
51	select SUPPORTS_BIG_ENDIAN
52	select SUPPORTS_CPU_MIPS32_R1
53	select SUPPORTS_CPU_MIPS32_R2
54	select SYS_MIPS_CACHE_INIT_RAM_LOAD
55
56config ARCH_ATH79
57	bool "Support QCA/Atheros ath79"
58	select DM
59	select OF_CONTROL
60	imply CMD_DM
61
62config ARCH_BMIPS
63	bool "Support BMIPS SoCs"
64	select CLK
65	select CPU
66	select DM
67	select OF_CONTROL
68	select RAM
69	select SYSRESET
70	imply CMD_DM
71
72config ARCH_MT7620
73	bool "Support MT7620/7688 SoCs"
74	imply CMD_DM
75	select DISPLAY_CPUINFO
76	select DM
77	select DM_SERIAL
78	imply DM_SPI
79	imply DM_SPI_FLASH
80	select MIPS_TUNE_24KC
81	select OF_CONTROL
82	select ROM_EXCEPTION_VECTORS
83	select SUPPORTS_CPU_MIPS32_R1
84	select SUPPORTS_CPU_MIPS32_R2
85	select SUPPORTS_LITTLE_ENDIAN
86	select SYSRESET
87
88config MACH_PIC32
89	bool "Support Microchip PIC32"
90	select DM
91	select OF_CONTROL
92	imply CMD_DM
93
94config TARGET_BOSTON
95	bool "Support Boston"
96	select DM
97	select DM_SERIAL
98	select MIPS_CM
99	select MIPS_L1_CACHE_SHIFT_6
100	select MIPS_L2_CACHE
101	select OF_BOARD_SETUP
102	select OF_CONTROL
103	select ROM_EXCEPTION_VECTORS
104	select SUPPORTS_BIG_ENDIAN
105	select SUPPORTS_CPU_MIPS32_R1
106	select SUPPORTS_CPU_MIPS32_R2
107	select SUPPORTS_CPU_MIPS32_R6
108	select SUPPORTS_CPU_MIPS64_R1
109	select SUPPORTS_CPU_MIPS64_R2
110	select SUPPORTS_CPU_MIPS64_R6
111	select SUPPORTS_LITTLE_ENDIAN
112	imply CMD_DM
113
114config TARGET_XILFPGA
115	bool "Support Imagination Xilfpga"
116	select DM
117	select DM_ETH
118	select DM_GPIO
119	select DM_SERIAL
120	select MIPS_L1_CACHE_SHIFT_4
121	select OF_CONTROL
122	select ROM_EXCEPTION_VECTORS
123	select SUPPORTS_CPU_MIPS32_R1
124	select SUPPORTS_CPU_MIPS32_R2
125	select SUPPORTS_LITTLE_ENDIAN
126	imply CMD_DM
127	help
128	  This supports IMGTEC MIPSfpga platform
129
130endchoice
131
132source "board/imgtec/boston/Kconfig"
133source "board/imgtec/malta/Kconfig"
134source "board/imgtec/xilfpga/Kconfig"
135source "board/micronas/vct/Kconfig"
136source "board/qemu-mips/Kconfig"
137source "arch/mips/mach-ath79/Kconfig"
138source "arch/mips/mach-bmips/Kconfig"
139source "arch/mips/mach-pic32/Kconfig"
140source "arch/mips/mach-mt7620/Kconfig"
141
142if MIPS
143
144choice
145	prompt "Endianness selection"
146	help
147	  Some MIPS boards can be configured for either little or big endian
148	  byte order. These modes require different U-Boot images. In general there
149	  is one preferred byteorder for a particular system but some systems are
150	  just as commonly used in the one or the other endianness.
151
152config SYS_BIG_ENDIAN
153	bool "Big endian"
154	depends on SUPPORTS_BIG_ENDIAN
155
156config SYS_LITTLE_ENDIAN
157	bool "Little endian"
158	depends on SUPPORTS_LITTLE_ENDIAN
159
160endchoice
161
162choice
163	prompt "CPU selection"
164	default CPU_MIPS32_R2
165
166config CPU_MIPS32_R1
167	bool "MIPS32 Release 1"
168	depends on SUPPORTS_CPU_MIPS32_R1
169	select 32BIT
170	help
171	  Choose this option to build an U-Boot for release 1 through 5 of the
172	  MIPS32 architecture.
173
174config CPU_MIPS32_R2
175	bool "MIPS32 Release 2"
176	depends on SUPPORTS_CPU_MIPS32_R2
177	select 32BIT
178	help
179	  Choose this option to build an U-Boot for release 2 through 5 of the
180	  MIPS32 architecture.
181
182config CPU_MIPS32_R6
183	bool "MIPS32 Release 6"
184	depends on SUPPORTS_CPU_MIPS32_R6
185	select 32BIT
186	help
187	  Choose this option to build an U-Boot for release 6 or later of the
188	  MIPS32 architecture.
189
190config CPU_MIPS64_R1
191	bool "MIPS64 Release 1"
192	depends on SUPPORTS_CPU_MIPS64_R1
193	select 64BIT
194	help
195	  Choose this option to build a kernel for release 1 through 5 of the
196	  MIPS64 architecture.
197
198config CPU_MIPS64_R2
199	bool "MIPS64 Release 2"
200	depends on SUPPORTS_CPU_MIPS64_R2
201	select 64BIT
202	help
203	  Choose this option to build a kernel for release 2 through 5 of the
204	  MIPS64 architecture.
205
206config CPU_MIPS64_R6
207	bool "MIPS64 Release 6"
208	depends on SUPPORTS_CPU_MIPS64_R6
209	select 64BIT
210	help
211	  Choose this option to build a kernel for release 6 or later of the
212	  MIPS64 architecture.
213
214endchoice
215
216menu "General setup"
217
218config ROM_EXCEPTION_VECTORS
219	bool "Build U-Boot image with exception vectors"
220	help
221	  Enable this to include exception vectors in the U-Boot image. This is
222	  required if the U-Boot entry point is equal to the address of the
223	  CPU reset exception vector (e.g. U-Boot as ROM loader in Qemu,
224	  U-Boot booted from parallel NOR flash).
225	  Disable this, if the U-Boot image is booted from DRAM (e.g. by SPL).
226	  In that case the image size will be reduced by 0x500 bytes.
227
228config MIPS_CM_BASE
229	hex "MIPS CM GCR Base Address"
230	depends on MIPS_CM
231	default 0x16100000 if TARGET_BOSTON
232	default 0x1fbf8000
233	help
234	  The physical base address at which to map the MIPS Coherence Manager
235	  Global Configuration Registers (GCRs). This should be set such that
236	  the GCRs occupy a region of the physical address space which is
237	  otherwise unused, or at minimum that software doesn't need to access.
238
239config MIPS_CACHE_INDEX_BASE
240	hex "Index base address for cache initialisation"
241	default 0x80000000 if CPU_MIPS32
242	default 0xffffffff80000000 if CPU_MIPS64
243	help
244	  This is the base address for a memory block, which is used for
245	  initialising the cache lines. This is also the base address of a memory
246	  block which is used for loading and filling cache lines when
247	  SYS_MIPS_CACHE_INIT_RAM_LOAD is selected.
248	  Normally this is CKSEG0. If the MIPS system needs to move this block
249	  to some SRAM or ScratchPad RAM, adapt this option accordingly.
250
251endmenu
252
253menu "OS boot interface"
254
255config MIPS_BOOT_CMDLINE_LEGACY
256	bool "Hand over legacy command line to Linux kernel"
257	default y
258	help
259	  Enable this option if you want U-Boot to hand over the Yamon-style
260	  command line to the kernel. All bootargs will be prepared as argc/argv
261	  compatible list. The argument count (argc) is stored in register $a0.
262	  The address of the argument list (argv) is stored in register $a1.
263
264config MIPS_BOOT_ENV_LEGACY
265	bool "Hand over legacy environment to Linux kernel"
266	default y
267	help
268	  Enable this option if you want U-Boot to hand over the Yamon-style
269	  environment to the kernel. Information like memory size, initrd
270	  address and size will be prepared as zero-terminated key/value list.
271	  The address of the environment is stored in register $a2.
272
273config MIPS_BOOT_FDT
274	bool "Hand over a flattened device tree to Linux kernel"
275	default n
276	help
277	  Enable this option if you want U-Boot to hand over a flattened
278	  device tree to the kernel. According to UHI register $a0 will be set
279	  to -2 and the FDT address is stored in $a1.
280
281endmenu
282
283config SUPPORTS_BIG_ENDIAN
284	bool
285
286config SUPPORTS_LITTLE_ENDIAN
287	bool
288
289config SUPPORTS_CPU_MIPS32_R1
290	bool
291
292config SUPPORTS_CPU_MIPS32_R2
293	bool
294
295config SUPPORTS_CPU_MIPS32_R6
296	bool
297
298config SUPPORTS_CPU_MIPS64_R1
299	bool
300
301config SUPPORTS_CPU_MIPS64_R2
302	bool
303
304config SUPPORTS_CPU_MIPS64_R6
305	bool
306
307config CPU_MIPS32
308	bool
309	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
310
311config CPU_MIPS64
312	bool
313	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
314
315config MIPS_TUNE_4KC
316	bool
317
318config MIPS_TUNE_14KC
319	bool
320
321config MIPS_TUNE_24KC
322	bool
323
324config MIPS_TUNE_34KC
325	bool
326
327config MIPS_TUNE_74KC
328	bool
329
330config 32BIT
331	bool
332
333config 64BIT
334	bool
335
336config SWAP_IO_SPACE
337	bool
338
339config SYS_MIPS_CACHE_INIT_RAM_LOAD
340	bool
341
342config MIPS_INIT_STACK_IN_SRAM
343	bool
344	default n
345	help
346	  Select this if the initial stack frame could be setup in SRAM.
347	  Normally the initial stack frame is set up in DRAM which is often
348	  only available after lowlevel_init. With this option the initial
349	  stack frame and the early C environment is set up before
350	  lowlevel_init. Thus lowlevel_init does not need to be implemented
351	  in assembler.
352
353config SYS_DCACHE_SIZE
354	int
355	default 0
356	help
357	  The total size of the L1 Dcache, if known at compile time.
358
359config SYS_DCACHE_LINE_SIZE
360	int
361	default 0
362	help
363	  The size of L1 Dcache lines, if known at compile time.
364
365config SYS_ICACHE_SIZE
366	int
367	default 0
368	help
369	  The total size of the L1 ICache, if known at compile time.
370
371config SYS_ICACHE_LINE_SIZE
372	int
373	default 0
374	help
375	  The size of L1 Icache lines, if known at compile time.
376
377config SYS_CACHE_SIZE_AUTO
378	def_bool y if SYS_DCACHE_SIZE = 0 && SYS_ICACHE_SIZE = 0 && \
379		SYS_DCACHE_LINE_SIZE = 0 && SYS_ICACHE_LINE_SIZE = 0
380	help
381	  Select this (or let it be auto-selected by not defining any cache
382	  sizes) in order to allow U-Boot to automatically detect the sizes
383	  of caches at runtime. This has a small cost in code size & runtime
384	  so if you know the cache configuration for your system at compile
385	  time it would be beneficial to configure it.
386
387config MIPS_L1_CACHE_SHIFT_4
388	bool
389
390config MIPS_L1_CACHE_SHIFT_5
391	bool
392
393config MIPS_L1_CACHE_SHIFT_6
394	bool
395
396config MIPS_L1_CACHE_SHIFT_7
397	bool
398
399config MIPS_L1_CACHE_SHIFT
400	int
401	default "7" if MIPS_L1_CACHE_SHIFT_7
402	default "6" if MIPS_L1_CACHE_SHIFT_6
403	default "5" if MIPS_L1_CACHE_SHIFT_5
404	default "4" if MIPS_L1_CACHE_SHIFT_4
405	default "5"
406
407config MIPS_L2_CACHE
408	bool
409	help
410	  Select this if your system includes an L2 cache and you want U-Boot
411	  to initialise & maintain it.
412
413config DYNAMIC_IO_PORT_BASE
414	bool
415
416config MIPS_CM
417	bool
418	help
419	  Select this if your system contains a MIPS Coherence Manager and you
420	  wish U-Boot to configure it or make use of it to retrieve system
421	  information such as cache configuration.
422
423config MIPS_INSERT_BOOT_CONFIG
424	bool
425	default n
426	help
427	  Enable this to insert some board-specific boot configuration in
428	  the U-Boot binary at offset 0x10.
429
430config MIPS_BOOT_CONFIG_WORD0
431	hex
432	depends on MIPS_INSERT_BOOT_CONFIG
433	default 0x420 if TARGET_MALTA
434	default 0x0
435	help
436	  Value which is inserted as boot config word 0.
437
438config MIPS_BOOT_CONFIG_WORD1
439	hex
440	depends on MIPS_INSERT_BOOT_CONFIG
441	default 0x0
442	help
443	  Value which is inserted as boot config word 1.
444
445endif
446
447endmenu
448