CVS log for src/sys/arch/cobalt/stand/boot/clock.c

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update from HEAD

need clock_subr.h for bcdtobin()

sync with head.

Sync with HEAD.

Sync with HEAD.

Replace time_t values in libsa sources with the following two types
to avoid unnecessary 64 bit ops which would make binaries larger:

satime_t (currently unsigned int):
 numbers in seconds returned by the machine dependent getsecs() function
 which are used to measure relative time

saseconds_t (currently int):
 numbers in seconds used to specify timeout to network drivers

Per discussion on current-users.

Sync with HEAD.

sync with head.

sync with head.

Remove clause 3 and 4 from TNF licenses

Catch up to netbsd-4.0 release.

Sync with HEAD.

Sync with HEAD.

sync with head.

Sync with HEAD

sync with HEAD

Pull up following revisions (requested by tsutsui in ticket #974):
	sys/arch/cobalt/cobalt/autoconf.c: revision 1.25-1.26
	sys/arch/cobalt/cobalt/machdep.c: revision 1.89
	sys/arch/cobalt/stand/boot/Makefile: revision 1.12
	sys/arch/cobalt/stand/boot/boot.c: revision 1.10
	sys/arch/cobalt/stand/boot/boot.h: revision 1.6
	sys/arch/cobalt/stand/boot/cache.c: revision 1.1-1.2
	sys/arch/cobalt/stand/boot/clock.c: revision 1.2
	sys/arch/cobalt/stand/boot/conf.c: revision 1.5
	sys/arch/cobalt/stand/boot/devopen.c: revision 1.4
	sys/arch/cobalt/stand/boot/nif_tlp.c: revision 1.1
	sys/arch/cobalt/stand/boot/start.S: revision 1.6
	sys/arch/cobalt/stand/boot/tlp.c: revision 1.1-1.3
	sys/arch/cobalt/stand/boot/version: revision 1.6
	sys/lib/libsa/dev_net.h: revision 1.5
Add an extern decl of try_bootp variable here since MD sources could set it.

In device_register(), check booted devices more properly:
- check "tlp" name on netboot
- use ata channel and drive numbers to check wd unit

Assume netboot if "nfsroot=/path" is specified in bootstring.

Use PCI bus/dev/function numbers rather than device unit
to check first tlp in device_register().

Add support for netboot via tlp0 with standalone tlp(4) driver
taken from arch/sandpoint/stand/netboot.
There are still some kludge but it just works on RaQ and RaQ2.

Fix my stupid bug in cache flush code and remove one kludge for it.

- use chaned mode for RX descs and allocate only one desc per each cacheline
  to avoid possible race condition between CPU writeback vs DMA write
- remove unnecessary FS and LS bits from RxD->xd0
  (sys/dev/ic/tulipvar.h sets them but maybe they are ignored?)

Sync with HEAD.

Add support for netboot via tlp0 with standalone tlp(4) driver
taken from arch/sandpoint/stand/netboot.
There are still some kludge but it just works on RaQ and RaQ2.

Initial commit of a 1-stage boot loader for NetBSD/cobalt. Only booting off
the hard drive is supported at the moment.