SENTRY5 revision 185522
1178171Simp# 2178171Simp# $FreeBSD: head/sys/mips/conf/SENTRY5 185522 2008-12-01 16:53:01Z sam $ 3178171Simp# 4178171Simp# The Broadcom Sentry5 series of processors and boards is very commonly 5178171Simp# used in COTS hardware including the Netgear WGT634U. 6178171Simp# 7178171Simp# Some tweaks are needed for use with this platform: 8178171Simp# 9178171Simp# * CFE firmware's ELF loader expects an ELF kernel which is linked so as 10178171Simp# not to contain offsets in PT_LOAD which point behind the actual offset 11178171Simp# of that PT header. FreeBSD normally links the first PT_LOAD header to 12178171Simp# begin at offset 0. 13178171Simp# 14178171Simp# * Broadcom's support package for the internal bus, the Sonics 15178171Simp# SiliconBackplane, needs to be integrated to detect and probe hardware 16178171Simp# correctly. 17178171Simp# 18178171Simp# * The clock needs to be calibrated correctly, so that DELAY() may work. 19178171Simp# One problem with this is that the low-level printf() routine calls DELAY(), 20178171Simp# which currently causes divide-by-zero trap 21178171Simp# 22178171Simp# * The Broadcom CPUs have no FPU. Attempting to detect one by reading CP1's 23178171Simp# status register causes an unhandled boot-time exception. An FPU emulator 24178171Simp# will be necessary to support multi-user boot. 25178171Simp# 26178171Simp 27178171Simpident SENTRY5 28178171Simpcpu CPU_MIPS4KC 29178171Simpoptions CPU_NOFPU 30178171Simpoptions ISA_MIPS32 31178171Simpoptions CPU_SENTRY5 # XXX should this be a 32178171Simp # sub-cpu option? 33178171Simp 34178171Simp# XXX only siba should be hardwired for now; we will use 35178171Simp# bus enumeration there 36182738Sobrienfiles "../sentry5/files.sentry5" 37178171Simphints "SENTRY5.hints" 38178171Simp 39178171Simp# sentry5 normally ships with cfe firmware; use the console for now 40178171Simpoptions CFE 41178171Simpoptions CFE_CONSOLE 42178171Simpoptions ALT_BREAK_TO_DEBUGGER 43178171Simp 44178171Simp# cfe loader expects kernel at 0x80001000 for mips32 w/o backwards 45178171Simp# offsets in the linked elf image (see ldscript hack) 46178171Simp# XXX can we conditionalize the linker stuff on options CFE? 47178171Simpoptions KERNVIRTADDR=0x80001000 48178171Simp 49183816Sbmsmakeoptions LDSCRIPT_NAME= ldscript.mips.cfe 50183816Sbms 51178171Simp#makeoptions ARCH_FLAGS=-march=mips32 52178171Simpmakeoptions MIPS_LITTLE_ENDIAN=defined 53178171Simpmakeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols 54178171Simpmakeoptions MODULES_OVERRIDE="" 55178171Simp 56178171Simpoptions DDB 57178171Simpoptions KDB 58178171Simp 59178171Simpoptions SCHED_4BSD #4BSD scheduler 60178171Simpoptions INET #InterNETworking 61178171Simpoptions NFSCLIENT #Network Filesystem Client 62178171Simpoptions NFS_ROOT #NFS usable as /, requires NFSCLIENT 63178171Simpoptions PSEUDOFS #Pseudo-filesystem framework 64178171Simpoptions _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions 65178171Simp 66178171Simp# Debugging for use in -current 67178171Simpoptions INVARIANTS 68178171Simpoptions INVARIANT_SUPPORT 69178171Simp 70178171Simp#options BUS_DEBUG 71178171Simp#makeoptions BUS_DEBUG 72178171Simp 73178171Simpdevice siba # Sonics SiliconBackplane 74178171Simpdevice pci # siba_pcib 75178171Simp 76178171Simpdevice bfe # XXX will build both pci and siba 77178171Simpdevice miibus # attachments 78178171Simp 79178171Simp# pci devices 80178171Simp# notyet: 81178171Simp#device ath # in pci slot 82185522Ssam#device ath_hal # pci chip support 83185522Ssam#options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors 84178171Simp 85178171Simpdevice usb # USB Bus (required) 86178171Simpdevice uhci # UHCI PCI->USB interface 87178171Simpdevice ehci # EHCI PCI->USB interface (USB 2.0) 88178171Simp 89178171Simp# need to teach the code to ignore the bridge.... 90178171Simp 91178171Simp 92178171Simp# XXX notyet; need to be auto probed children of siba_cc. 93178171Simp#device uart 94178171Simp 95178171Simpdevice loop 96178171Simpdevice ether 97178171Simpdevice md 98