1# 2# $FreeBSD$ 3# 4# The Broadcom Sentry5 series of processors and boards is very commonly 5# used in COTS hardware including the Netgear WGT634U. 6# 7# Some tweaks are needed for use with this platform: 8# 9# * CFE firmware's ELF loader expects an ELF kernel which is linked so as 10# not to contain offsets in PT_LOAD which point behind the actual offset 11# of that PT header. FreeBSD normally links the first PT_LOAD header to 12# begin at offset 0. 13# 14# * Broadcom's support package for the internal bus, the Sonics 15# SiliconBackplane, needs to be integrated to detect and probe hardware 16# correctly. 17# 18# * The clock needs to be calibrated correctly, so that DELAY() may work. 19# One problem with this is that the low-level printf() routine calls DELAY(), 20# which currently causes divide-by-zero trap 21# 22# * The Broadcom CPUs have no FPU. Attempting to detect one by reading CP1's 23# status register causes an unhandled boot-time exception. An FPU emulator 24# will be necessary to support multi-user boot. 25# 26 27ident SENTRY5 28cpu CPU_MIPS4KC 29makeoptions TRAMPLOADADDR=0x807963c0 30 31hints "SENTRY5.hints" 32include "../broadcom/std.broadcom" 33 34# sentry5 normally ships with cfe firmware 35options CFE 36options ALT_BREAK_TO_DEBUGGER 37device cfe 38 39makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols 40makeoptions MODULES_OVERRIDE="" 41 42options DDB 43options KDB 44 45options SCHED_4BSD #4BSD scheduler 46options INET #InterNETworking 47options TCP_HHOOK # hhook(9) framework for TCP 48options NFSCL #Network Filesystem Client 49options NFS_ROOT #NFS usable as /, requires NFSCL 50options PSEUDOFS #Pseudo-filesystem framework 51options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions 52 53# Debugging for use in -current 54#options DEADLKRES 55options INVARIANTS 56options INVARIANT_SUPPORT 57 58#options BUS_DEBUG 59#makeoptions BUS_DEBUG 60options EARLY_PRINTF 61 62device bhnd 63device siba 64device siba_nexus 65device bhnd_pcib 66device pci # bhnd_pcib 67 68# device bfe # XXX will build both pci and siba 69# device miibus # attachments 70 71# pci devices 72# notyet: 73#device ath # in pci slot 74#device ath_pci # Atheros pci/cardbus glue 75#device ath_hal # pci chip support 76#options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors 77 78options USB_DEBUG # enable debug msgs 79device usb # USB Bus (required) 80device uhci # UHCI PCI->USB interface 81device ehci # EHCI PCI->USB interface (USB 2.0) 82 83device cfi # parallel flash 84device cfid 85 86device gpio 87device uart 88 89device loop 90device ether 91device md 92