xref: /linux/arch/powerpc/platforms/cell/Kconfig (revision bf4981a00636347ddcef3fc008e4dd979380a851)
1config PPC_CELL
2	bool
3	default n
4
5config PPC_CELL_COMMON
6	bool
7	select PPC_CELL
8	select PPC_DCR_MMIO
9	select PPC_INDIRECT_PIO
10	select PPC_INDIRECT_MMIO
11	select PPC_NATIVE
12	select PPC_RTAS
13	select IRQ_EDGE_EOI_HANDLER
14
15config PPC_CELL_NATIVE
16	bool
17	select PPC_CELL_COMMON
18	select MPIC
19	select PPC_IO_WORKAROUNDS
20	select IBM_EMAC_EMAC4
21	select IBM_EMAC_RGMII
22	select IBM_EMAC_ZMII #test only
23	select IBM_EMAC_TAH  #test only
24	default n
25
26config PPC_IBM_CELL_BLADE
27	bool "IBM Cell Blade"
28	depends on PPC64 && PPC_BOOK3S
29	select PPC_CELL_NATIVE
30	select PPC_OF_PLATFORM_PCI
31	select PCI
32	select MMIO_NVRAM
33	select PPC_UDBG_16550
34	select UDBG_RTAS_CONSOLE
35
36config PPC_CELL_QPACE
37	bool "IBM Cell - QPACE"
38	depends on PPC64 && PPC_BOOK3S
39	select PPC_CELL_COMMON
40
41config AXON_MSI
42	bool
43	depends on PPC_IBM_CELL_BLADE && PCI_MSI
44	default y
45
46menu "Cell Broadband Engine options"
47	depends on PPC_CELL
48
49config SPU_FS
50	tristate "SPU file system"
51	default m
52	depends on PPC_CELL
53	select SPU_BASE
54	select MEMORY_HOTPLUG
55	help
56	  The SPU file system is used to access Synergistic Processing
57	  Units on machines implementing the Broadband Processor
58	  Architecture.
59
60config SPU_FS_64K_LS
61	bool "Use 64K pages to map SPE local  store"
62	# we depend on PPC_MM_SLICES for now rather than selecting
63	# it because we depend on hugetlbfs hooks being present. We
64	# will fix that when the generic code has been improved to
65	# not require hijacking hugetlbfs hooks.
66	depends on SPU_FS && PPC_MM_SLICES && !PPC_64K_PAGES
67	default y
68	select PPC_HAS_HASH_64K
69	help
70	  This option causes SPE local stores to be mapped in process
71	  address spaces using 64K pages while the rest of the kernel
72	  uses 4K pages. This can improve performances of applications
73	  using multiple SPEs by lowering the TLB pressure on them.
74
75config SPU_BASE
76	bool
77	default n
78	select PPC_COPRO_BASE
79
80config CBE_RAS
81	bool "RAS features for bare metal Cell BE"
82	depends on PPC_CELL_NATIVE
83	default y
84
85config PPC_IBM_CELL_RESETBUTTON
86	bool "IBM Cell Blade Pinhole reset button"
87	depends on CBE_RAS && PPC_IBM_CELL_BLADE
88	default y
89	help
90	  Support Pinhole Resetbutton on IBM Cell blades.
91	  This adds a method to trigger system reset via front panel pinhole button.
92
93config PPC_IBM_CELL_POWERBUTTON
94	tristate "IBM Cell Blade power button"
95	depends on PPC_IBM_CELL_BLADE && INPUT_EVDEV
96	default y
97	help
98	  Support Powerbutton on IBM Cell blades.
99	  This will enable the powerbutton as an input device.
100
101config CBE_THERM
102	tristate "CBE thermal support"
103	default m
104	depends on CBE_RAS && SPU_BASE
105
106config PPC_PMI
107	tristate
108	default y
109	depends on CPU_FREQ_CBE_PMI || PPC_IBM_CELL_POWERBUTTON
110	help
111	  PMI (Platform Management Interrupt) is a way to
112	  communicate with the BMC (Baseboard Management Controller).
113	  It is used in some IBM Cell blades.
114
115config CBE_CPUFREQ_SPU_GOVERNOR
116	tristate "CBE frequency scaling based on SPU usage"
117	depends on SPU_FS && CPU_FREQ
118	default m
119	help
120	  This governor checks for spu usage to adjust the cpu frequency.
121	  If no spu is running on a given cpu, that cpu will be throttled to
122	  the minimal possible frequency.
123
124endmenu
125
126config OPROFILE_CELL
127	def_bool y
128	depends on PPC_CELL_NATIVE && (OPROFILE = m || OPROFILE = y) && SPU_BASE
129
130