![Boqun Feng](/assets/img/avatar_default.png)
Currently, little endian is only supported on powernv and pseries, however, Kconfigs still allow us to include other platforms in a LE kernel, this may result in space wasting or even build error if some BE-only platforms always assume they are built for a BE kernel. So just modify the Kconfigs of BE-only platforms to remove them from being built for a LE kernel. For 32bit only platforms, nothing needs to be done, because CPU_LITTLE_ENDIAN depends on PPC64. For 64bit supported platforms, add CPU_BIG_ENDIAN to dependencies explicitly, so that these platforms will be disabled for LE [Suggested-by: Cédric Le Goater <clg@fr.ibm.com>]. Signed-off-by: Boqun Feng <boqun.feng@gmail.com> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
174 lines
5.1 KiB
Plaintext
174 lines
5.1 KiB
Plaintext
config PPC_PS3
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bool "Sony PS3"
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depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
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select PPC_CELL
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select USB_OHCI_LITTLE_ENDIAN
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select USB_OHCI_BIG_ENDIAN_MMIO
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select USB_EHCI_BIG_ENDIAN_MMIO
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select PPC_PCI_CHOICE
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help
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This option enables support for the Sony PS3 game console
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and other platforms using the PS3 hypervisor. Enabling this
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option will allow building otheros.bld, a kernel image suitable
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for programming into flash memory, and vmlinux, a kernel image
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suitable for loading via kexec.
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menu "PS3 Platform Options"
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depends on PPC_PS3
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config PS3_ADVANCED
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depends on PPC_PS3
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bool "PS3 Advanced configuration options"
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help
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This gives you access to some advanced options for the PS3. The
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defaults should be fine for most users, but these options may make
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it possible to better control the kernel configuration if you know
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what you are doing.
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Note that the answer to this question won't directly affect the
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kernel: saying N will just cause the configurator to skip all
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the questions about these options.
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Most users should say N to this question.
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config PS3_HTAB_SIZE
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depends on PPC_PS3
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int "PS3 Platform pagetable size" if PS3_ADVANCED
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range 18 20
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default 20
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help
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This option is only for experts who may have the desire to fine
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tune the pagetable size on their system. The value here is
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expressed as the log2 of the page table size. Valid values are
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18, 19, and 20, corresponding to 256KB, 512KB and 1MB respectively.
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If unsure, choose the default (20) with the confidence that your
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system will have optimal runtime performance.
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config PS3_DYNAMIC_DMA
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depends on PPC_PS3
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bool "PS3 Platform dynamic DMA page table management"
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default n
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help
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This option will enable kernel support to take advantage of the
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per device dynamic DMA page table management provided by the Cell
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processor's IO Controller. This support incurs some runtime
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overhead and also slightly increases kernel memory usage. The
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current implementation should be considered experimental.
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This support is mainly for Linux kernel development. If unsure,
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say N.
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config PS3_VUART
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depends on PPC_PS3
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tristate
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config PS3_PS3AV
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depends on PPC_PS3
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tristate "PS3 AV settings driver" if PS3_ADVANCED
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select PS3_VUART
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default y
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help
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Include support for the PS3 AV Settings driver.
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This support is required for PS3 graphics and sound. In
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general, all users will say Y or M.
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config PS3_SYS_MANAGER
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depends on PPC_PS3
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tristate "PS3 System Manager driver" if PS3_ADVANCED
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select PS3_VUART
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default y
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help
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Include support for the PS3 System Manager.
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This support is required for PS3 system control. In
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general, all users will say Y or M.
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config PS3_REPOSITORY_WRITE
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bool "PS3 Repository write support" if PS3_ADVANCED
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depends on PPC_PS3
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default n
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help
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Enables support for writing to the PS3 System Repository.
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This support is intended for bootloaders that need to store data
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in the repository for later boot stages.
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If in doubt, say N here and reduce the size of the kernel by a
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small amount.
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config PS3_STORAGE
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depends on PPC_PS3
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tristate
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config PS3_DISK
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tristate "PS3 Disk Storage Driver"
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depends on PPC_PS3 && BLOCK
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select PS3_STORAGE
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help
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Include support for the PS3 Disk Storage.
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This support is required to access the PS3 hard disk.
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In general, all users will say Y or M.
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config PS3_ROM
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tristate "PS3 BD/DVD/CD-ROM Storage Driver"
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depends on PPC_PS3 && SCSI
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select PS3_STORAGE
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help
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Include support for the PS3 ROM Storage.
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This support is required to access the PS3 BD/DVD/CD-ROM drive.
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In general, all users will say Y or M.
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Also make sure to say Y or M to "SCSI CDROM support" later.
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config PS3_FLASH
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tristate "PS3 FLASH ROM Storage Driver"
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depends on PPC_PS3
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select PS3_STORAGE
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help
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Include support for the PS3 FLASH ROM Storage.
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This support is required to access the PS3 FLASH ROM, which
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contains the boot loader and some boot options.
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In general, PS3 OtherOS users will say Y or M.
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As this driver needs a fixed buffer of 256 KiB of memory, it can
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be disabled on the kernel command line using "ps3flash=off", to
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not allocate this fixed buffer.
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config PS3_VRAM
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tristate "PS3 Video RAM Storage Driver"
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depends on FB_PS3=y && BLOCK && m
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help
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This driver allows you to use excess PS3 video RAM as volatile
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storage or system swap.
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config PS3_LPM
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tristate "PS3 Logical Performance Monitor support"
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depends on PPC_PS3
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help
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Include support for the PS3 Logical Performance Monitor.
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This support is required to use the logical performance monitor
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of the PS3's LV1 hypervisor.
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If you intend to use the advanced performance monitoring and
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profiling support of the Cell processor with programs like
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oprofile and perfmon2, then say Y or M, otherwise say N.
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config PS3GELIC_UDBG
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bool "PS3 udbg output via UDP broadcasts on Ethernet"
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depends on PPC_PS3
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help
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Enables udbg early debugging output by sending broadcast UDP
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via the Ethernet port (UDP port number 18194).
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This driver uses a trivial implementation and is independent
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from the main PS3 gelic network driver.
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If in doubt, say N here.
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endmenu
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