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module; the ath module now brings in the hal support. Kernel config files are almost backwards compatible; supplying device ath_hal gives you the same chip support that the binary hal did but you must also include options AH_SUPPORT_AR5416 to enable the extended format descriptors used by 11n parts. It is now possible to control the chip support included in a build by specifying exactly which chips are to be supported in the config file; consult ath_hal(4) for information.
98 lines
2.8 KiB
Plaintext
98 lines
2.8 KiB
Plaintext
#
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# $FreeBSD$
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#
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# The Broadcom Sentry5 series of processors and boards is very commonly
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# used in COTS hardware including the Netgear WGT634U.
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#
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# Some tweaks are needed for use with this platform:
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#
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# * CFE firmware's ELF loader expects an ELF kernel which is linked so as
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# not to contain offsets in PT_LOAD which point behind the actual offset
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# of that PT header. FreeBSD normally links the first PT_LOAD header to
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# begin at offset 0.
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#
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# * Broadcom's support package for the internal bus, the Sonics
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# SiliconBackplane, needs to be integrated to detect and probe hardware
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# correctly.
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#
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# * The clock needs to be calibrated correctly, so that DELAY() may work.
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# One problem with this is that the low-level printf() routine calls DELAY(),
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# which currently causes divide-by-zero trap
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#
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# * The Broadcom CPUs have no FPU. Attempting to detect one by reading CP1's
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# status register causes an unhandled boot-time exception. An FPU emulator
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# will be necessary to support multi-user boot.
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#
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ident SENTRY5
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cpu CPU_MIPS4KC
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options CPU_NOFPU
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options ISA_MIPS32
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options CPU_SENTRY5 # XXX should this be a
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# sub-cpu option?
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# XXX only siba should be hardwired for now; we will use
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# bus enumeration there
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files "../sentry5/files.sentry5"
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hints "SENTRY5.hints"
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# sentry5 normally ships with cfe firmware; use the console for now
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options CFE
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options CFE_CONSOLE
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options ALT_BREAK_TO_DEBUGGER
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# cfe loader expects kernel at 0x80001000 for mips32 w/o backwards
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# offsets in the linked elf image (see ldscript hack)
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# XXX can we conditionalize the linker stuff on options CFE?
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options KERNVIRTADDR=0x80001000
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makeoptions LDSCRIPT_NAME= ldscript.mips.cfe
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#makeoptions ARCH_FLAGS=-march=mips32
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makeoptions MIPS_LITTLE_ENDIAN=defined
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makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
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makeoptions MODULES_OVERRIDE=""
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options DDB
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options KDB
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options SCHED_4BSD #4BSD scheduler
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options INET #InterNETworking
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options NFSCLIENT #Network Filesystem Client
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options NFS_ROOT #NFS usable as /, requires NFSCLIENT
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options PSEUDOFS #Pseudo-filesystem framework
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options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
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# Debugging for use in -current
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options INVARIANTS
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options INVARIANT_SUPPORT
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#options BUS_DEBUG
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#makeoptions BUS_DEBUG
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device siba # Sonics SiliconBackplane
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device pci # siba_pcib
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device bfe # XXX will build both pci and siba
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device miibus # attachments
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# pci devices
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# notyet:
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#device ath # in pci slot
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#device ath_hal # pci chip support
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#options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
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device usb # USB Bus (required)
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device uhci # UHCI PCI->USB interface
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device ehci # EHCI PCI->USB interface (USB 2.0)
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# need to teach the code to ignore the bridge....
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# XXX notyet; need to be auto probed children of siba_cc.
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#device uart
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device loop
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device ether
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device md
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