xref: /linux/arch/powerpc/platforms/ps3/Kconfig (revision b454cc6636d254fbf6049b73e9560aee76fb04a3)
1menu "PS3 Platform Options"
2	depends on PPC_PS3
3
4config PS3_HTAB_SIZE
5	depends on PPC_PS3
6	int "PS3 Platform pagetable size"
7	range 18 20
8	default 20
9	help
10	  This option is only for experts who may have the desire to fine
11	  tune the pagetable size on their system.  The value here is
12	  expressed as the log2 of the page table size.  Valid values are
13	  18, 19, and 20, corresponding to 256KB, 512KB and 1MB respectively.
14
15	  If unsure, choose the default (20) with the confidence that your
16	  system will have optimal runtime performance.
17
18config PS3_DYNAMIC_DMA
19	depends on PPC_PS3 && EXPERIMENTAL
20	bool "PS3 Platform dynamic DMA page table management"
21	default n
22	help
23	  This option will enable kernel support to take advantage of the
24	  per device dynamic DMA page table management provided by the Cell
25	  processor's IO Controller.  This support incurs some runtime
26	  overhead and also slightly increases kernel memory usage.  The
27	  current implementation should be considered experimental.
28
29	  This support is mainly for Linux kernel development.  If unsure,
30	  say N.
31
32config PS3_USE_LPAR_ADDR
33	depends on PPC_PS3 && EXPERIMENTAL
34	bool "PS3 use lpar address space"
35	default y
36	help
37	  This option is solely for experimentation by experts.  Disables
38	  translation of lpar addresses.  SPE support currently won't work
39	  without this set to y.
40
41	  If you have any doubt, choose the default y.
42
43config PS3_VUART
44	depends on PPC_PS3
45	bool "PS3 Virtual UART support"
46	default y
47	help
48	  Include support for the PS3 Virtual UART.
49
50	  This support is required for several system services
51	  including the System Manager and AV Settings.  In
52	  general, all users will say Y.
53
54endmenu
55