Commit Graph

212 Commits

Author SHA1 Message Date
Maxim Sobolev
e50d35e6c6 Add new tunable 'net.link.ifqmaxlen' to set default send interface
queue length. The default value for this parameter is 50, which is
quite low for many of today's uses and the only way to modify this
parameter right now is to edit if_var.h file. Also add read-only
sysctl with the same name, so that it's possible to retrieve the
current value.

MFC after:	1 month
2010-05-03 07:32:50 +00:00
Bernd Walter
80720032c0 simplify hash calculation 2010-02-28 18:06:54 +00:00
Bernd Walter
f7255c488c remove debug leftover 2010-02-28 16:14:34 +00:00
Bernd Walter
31e94ae09f Fix multicast hashes.
Atmel uses a simple xor hash instead of the typical crc based one.
2010-02-28 16:11:13 +00:00
John Baldwin
3064f0530b - Initialize callout before it is used in atestop() during attach.
- Reorder detach so that ether_ifdetach() is called first.  This removes
  the race that ATE_FLAG_DETACHING closed, so that flag can be removed.
- Trim a duplicate clearing of IFF_DRV_RUNNING.

Reviewed by:	imp
2009-11-19 22:04:02 +00:00
John Baldwin
e21e2eea58 These drivers only set if_timer but never set if_watchdog. Just remove
the assignments to if_timer.
2009-11-19 18:11:23 +00:00
Alan Cox
c346328f95 Eliminate an unnecessary vm include file. 2009-11-04 04:41:03 +00:00
Stanislav Sedov
2dc8b759bd - Proprely intialize UART parameters at probe stage, so uart(4)
will initialize the FIFO memory correctly on attach.  Before
  that this values was intialized in only in at91_usart_bus_attach
  which is called after the uart(4) memory allocation happens.

Approved by:	re (kib)
MFC after:	1 week
2009-08-15 15:15:20 +00:00
Rafal Jaworowski
f981547c99 Map DPCPU pages into ARM kernel VA space.
DPCPU area was not properly mapped into kernel VA space, which caused page
fault on the first DPCPU access. This patch fixes the problem by mapping DPCPU
area into kernel VA space.

Submitted by:	Michal Hajduk, Piotr Ziecik
Reviewed by:	cognet, stas
Approved by:	re (kib)
Obtained from:	Semihalf
2009-07-01 20:07:44 +00:00
Robert Watson
eb956cd041 Use if_maddr_rlock()/if_maddr_runlock() rather than IF_ADDR_LOCK()/
IF_ADDR_UNLOCK() across network device drivers when accessing the
per-interface multicast address list, if_multiaddrs.  This will
allow us to change the locking strategy without affecting our driver
programming interface or binary interface.

For two wireless drivers, remove unnecessary locking, since they
don't actually access the multicast address list.

Approved by:	re (kib)
MFC after:	6 weeks
2009-06-26 11:45:06 +00:00
Jeff Roberson
50c202c592 Implement a facility for dynamic per-cpu variables.
- Modules and kernel code alike may use DPCPU_DEFINE(),
   DPCPU_GET(), DPCPU_SET(), etc. akin to the statically defined
   PCPU_*.  Requires only one extra instruction more than PCPU_* and is
   virtually the same as __thread for builtin and much faster for shared
   objects.  DPCPU variables can be initialized when defined.
 - Modules are supported by relocating the module's per-cpu linker set
   over space reserved in the kernel.  Modules may fail to load if there
   is insufficient space available.
 - Track space available for modules with a one-off extent allocator.
   Free may block for memory to allocate space for an extent.

Reviewed by:    jhb, rwatson, kan, sam, grehan, marius, marcel, stas
2009-06-23 22:42:39 +00:00
Andriy Gapon
08d43f8e62 strict kobj signatures: number of fixes for arm architecture
no functional changes should result

Reviewed by:	imp, current@
Approved by:	jhb (mentor)
2009-06-11 17:05:13 +00:00
Warner Losh
61deeba0ff Eliminate devclass_find_free_unit call here, since -1 gives the same
net behavior.
2009-06-10 17:39:19 +00:00
Marcel Moolenaar
272489fe59 Pass the previously returned IRQ back to arm_get_next_irq() so that
the implementation can guarantee forward progress in the event of
a stuck interrupt or interrupt storm. This is especially critical
for fast interrupt handlers, as they can cause a hard hang in that
case. When first called, arm_get_next_irq() is passed -1.

Obtained from:	Juniper Networks, Inc.
2009-06-09 18:18:41 +00:00
Andrew Thompson
11c63ede84 Delete the old USB stack. The new stack has settled in and has all the
drivers/functionality and then some.
2009-05-27 16:16:56 +00:00
Warner Losh
940672949e Fix name for driver to assign to the SPI device. 2009-05-15 04:49:20 +00:00
Stanislav Sedov
18f799c8fd - Set MAC address in ateinit, so it can be changed later. 2009-05-13 21:01:10 +00:00
Stanislav Sedov
24756cad5d - Style(9) and consistency nitpicking.
Reviewed by:	imp
2009-05-13 20:29:53 +00:00
Oleksandr Tymoshenko
ecd6163338 - Make SPI bus bridge be non-arch dependent by using more generic
name

Reviewed by:	imp
2009-05-13 18:42:49 +00:00
Stanislav Sedov
cd2d868fbf - Resurrect the debug printf message I accidentally dropped
in the previous commit.
- Use device_printf instead of printf.
- Put all printfs in the interrupt handler under bootverbose.
2009-05-12 21:28:41 +00:00
Stanislav Sedov
8787221578 - Eliminate extra register reads by using a variable to store
registers contents.
- Use memory barriers to preserve the order of buffer space operations.
  This might be needed if we'll ever use this driver on architectures
  where ordering is not guaranteed.
2009-05-12 21:14:36 +00:00
Stanislav Sedov
ff10bcec5d - Implement detach path.
- Release memory and DMA resources on stop.
- Unload the associated DMA maps after transmit is complete.
2009-05-12 16:07:08 +00:00
Stanislav Sedov
bdb08649eb - Fix build with INVARIANTS enabled. 2009-05-10 11:05:22 +00:00
Stanislav Sedov
5c04df6cb6 - Fix multicast operation that I broke in previous commit.
- Do not enable multicast hash lookup if no multicast addresses
  were configured or if promisc mode is enabled.
2009-05-10 10:32:29 +00:00
Stanislav Sedov
36ffa1b9de - Fix promisc/multicast/broadcast parameters setting by introducing the
new ate_rxfilter function to set requested parameters. Use this function
  on parameters change rather than  reinitializing the chip.
2009-05-10 08:54:10 +00:00
Stanislav Sedov
4e393bc4d7 - Whitespace nitpicking. 2009-04-23 00:00:57 +00:00
Stanislav Sedov
f3bdbeccf7 - Add the driver for AT91RM9200 CompactFlash controller. The driver
operates in the common memory mode and use polling mode to control
  the status of operations as I don't have any board with interrupt
  line routed yet. I'll add the GPIO interrupt driven mode as soon
  as I get one.
2009-04-22 23:54:41 +00:00
Andrew Thompson
65fd114d53 MFp4 //depot/projects/usb@159992
at91_udp.c does not exist anymore, it is now replaced by at91dci in
src/sys/dev/usb/controller. Also remove the ohci_atmelarm.c because it is also
included in src/sys/conf/files

Submitted by:	Sylvestre Gallon
2009-04-05 18:21:40 +00:00
Warner Losh
d03c67b198 Move to new usb stack that puts the front-end bus attachments with the
usb stack rather than with the rest of the processor support code.
Not sure that's a good idea, as we were moving away from it, but this
fixes the build in the mean time so we can have that discussion.
2009-02-27 23:12:28 +00:00
Warner Losh
3d74c77136 Move to having a caps flag. Newer versions of the AT91 family don't
need the bouncing, so save a few copies in that case.  Also convert
4-bit code selection to using it.
2009-01-23 00:51:25 +00:00
Warner Losh
d78f78230d Don't over-commit the DMA. Use the passed in size of the transfer
rather than a fixed 512...  This fixes the mount root problem on at91.
Prior to the SD card reorg, all data transfers were 512 bytes, so we
didn't notice.
2009-01-22 22:29:21 +00:00
Warner Losh
5999bbbf41 Migrate towards using at91_master_clock. Initialize the clocks for
the serial port class when we set the devclass since it is now
no-longer a compile time constant.  Eliminate the pci include, as it
isn't relevant or necessary.
2009-01-22 21:56:41 +00:00
Warner Losh
3180286fb2 Use at91_master_clock instead of AT91C_MASTER_CLOCK. 2009-01-22 21:55:37 +00:00
Warner Losh
6af05bc921 Remove now-redundant declaration. 2009-01-22 21:55:04 +00:00
Warner Losh
5d5516e7b7 Store at91_master_clock in a global variable as opposed to a compile
time constant.  This allows us to potentially change it at runtime or
autodetect it early in the boot (the latter being much more likely to
have a good outcome).
2009-01-22 21:54:26 +00:00
Warner Losh
c5fb414e0a o The f_max is really at91_master_clock / 2, not 30MHz, so compute it as such.
o Only set 4-bit caps on those boards that have 4-bit caps (this means that
  because we don't set wire4 yet, this forces us to always use 1-bit bus).
o Don't test wire4 when setting up the bus width, since bad things will
  happen if we do.

# This likely won't fix the busted at91 sd card support, but these are
# needful changes for correctness.
2009-01-21 17:39:11 +00:00
Alexander Motin
96dfc86948 Implement MMCBR_IVAR_CAPS. It should better be implemented, or results
can be unpredictable.

PR:		arm/128987
2009-01-20 17:36:58 +00:00
Stanislav Sedov
129c518d68 - Fix spelling error in comments.
PR:		arm/128891
Submitted by:	Pavel Pankov <pankov_p@mail.ru>
Approved by:	kib (mentor)
2008-12-01 10:16:25 +00:00
Stanislav Sedov
2f2cadc3cc - Get rid of extra include file, erroneously added by the
previous commit. This include file was required by the
  first version of the patch.

Approved by:	kib (mentor, implicit)
2008-11-30 22:40:11 +00:00
Stanislav Sedov
b739b60532 - Obtain main clock frequency dynamically based on CKGR_MCFR register
contents.
- It is possible to override the dynamic configuration by using
  AT91C_MAIN_CLOCK option in kernel config.

PR:		arm/128961 (based on)
Submitted by:	Bjorn Konig <bkoenig@alpha-tierchen.de>
Reviewed by:	imp
Approved by:	kib (mentor, implicit)
2008-11-30 22:33:03 +00:00
Warner Losh
1303699e77 opt_at91.h isn't needed here at all anymore, since the board init
routines have been split out.  Remove it.  This leaves only one
instance of it in the tree that will be going away soon.
2008-11-30 17:40:05 +00:00
Warner Losh
7558f3d5f0 Convert BWCT and HL200 over to new board mechanism as well. The
TSC4370 config file wasn't committed to this tree, so I don't know if
my changes will work on it or not.
2008-11-25 19:05:46 +00:00
Warner Losh
26d9c85a3a Start to make it easier to add AT91RM9200 based boards:
o Copy kb920x_machdep.c to at91_machdep.c
o Move board_init to new board_kb920x.c
o rename ramsize to at91_ramsize and make it accessible to board_* files.
o Delete files.kb920x.  We can do this selection with the new boards.
o Add a stub for the tsc4370 board init, which will be added in
  a future commit.
o Add new 'devices' at91_board_kb920x and at91_board_tsc4370.  More are
  needed and will be added in future commits.

Reviewed by:	stass, cognet
2008-11-25 18:40:40 +00:00
Warner Losh
88ae88e624 Whitespace nit. 2008-11-25 16:38:10 +00:00
Warner Losh
dfabb37be2 Save boot args. 2008-11-25 05:17:39 +00:00
Warner Losh
b1eca4094b more silly whitespace changes. 2008-11-25 05:12:19 +00:00
Warner Losh
78ef2907ec Fix various whitespace botches, mostly having them at the end of a line. 2008-11-25 00:48:15 +00:00
Warner Losh
f36b390692 Replace disclaimer with the one from COPYRIGHT. Joint authors aggreed
to the change.
2008-11-25 00:14:49 +00:00
Warner Losh
b815a08728 Replace three magic constants with L1_S_SIZE, since that's what is
really meant in those places.
2008-11-25 00:14:14 +00:00
Warner Losh
82645a84eb Tweak the disclaimer section of the license to match COPYRIGHT, for
better or worse.  Ok'd by folks that have additional copyrights to the
files in cases where there's joint authorship.
2008-11-25 00:13:26 +00:00