25 Commits

Author SHA1 Message Date
nwhitehorn
15e1002387 A few other common cases for encode-int decoding: OF_getencprop_alloc()
and OF_searchencprop(). I thought about using the element size parameter
to OF_getprop_alloc() to do endian-switching automatically, but it breaks
use with structs and a *lot* of FDT code (which can hopefully be moved to
these new APIs).

MFC after:	2 weeks
2013-10-22 21:20:05 +00:00
nwhitehorn
f79afef654 Add a new function (OF_getencprop()) that undoes the transformation applied
by encode-int. Specifically, it takes a set of 32-bit cell values and
changes them to host byte order. Most non-string instances of OF_getprop()
should be using this function, which is a no-op on big-endian platforms.
2013-10-22 20:57:24 +00:00
nwhitehorn
3b7e4aa267 Add a kernel interface (OF_xref_phandle()) for systems where phandles
used as cross-references in the device tree and phandles as used by the
Open Firmware client interface are in different namespaces. This include
IBM pSeries hardware as well as FDT systems. FDT certainly abuses
ihandles for this purpose and should be modified to use this API
eventually. This changes no behavior on systems where FreeBSD already
worked.

Reviewed by:	marius
Approved by:	re (kib)
MFC after:	2 weeks
2013-09-15 14:19:17 +00:00
hrs
5320d21e54 - Add OF_hasprop() and ofw_bus_has_prop(). These can be used to check
existence of the property.

- Fix ofw_bus_is_compatible{,_strict}() to prevent substring match in the
  compatible string.

Reviewed by:	raj
2012-08-18 11:25:07 +00:00
nwhitehorn
8f78316ea6 Missed a file in r209803: this header contains a definition of
OFW_STD_32BIT.

Pointy hat to:	me
2010-07-08 18:15:06 +00:00
raj
ef99eb110e Prepare and extend OFW layer for FDT support.
o Let OFW_INIT() and OF_init() return status value.

o Provide helper routines for 'compatible' property handling.

o Only compile OF and OFW code, which is relevant in FDT scenario.

o Other minor cosmetics

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
2010-05-28 10:43:56 +00:00
nwhitehorn
b7a63fb85c Pull OF_quiesce() out of the MI Open Firmware layer and entirely into
PPC ofw_machdep.c, in recognition of its state as a machine specific hack.

Requested by:	marius
2010-05-16 22:01:43 +00:00
nwhitehorn
5236db452d On PowerMac11,2 and (presumably) PowerMac12,1, we need to quiesce the
firmware in order to take over control of the SMU. Without doing this,
the firmware background process doing fan control will run amok as we
take over the system and crash the management chip.

This is limited to these two machines because our kernel is heavily
dependent on firmware accesses, and so quiescing firmware can cause
nasty problems.
2010-05-16 15:56:59 +00:00
marius
3961775a2d Fix style. 2009-06-14 00:05:38 +00:00
nwhitehorn
4ca12119c3 Fix the OFW interrupt map parser to use its own idea of the number of interrupt
cells in the map, instead of using a value passed to it and then panicing if it
disagrees. This fixes interrupt map parsing for PCI bridges on some Apple
Uninorth PCI controllers.

Reported by:	marcel
Tested on:	G4 iBook, Sun Ultra 5
2009-01-03 19:38:47 +00:00
nwhitehorn
3fcef6d9c2 Modularize the Open Firmware client interface to allow run-time switching
of OFW access semantics, in order to allow future support for real-mode
OF access and flattened device frees. OF client interface modules are
implemented using KOBJ, in a similar way to the PPC PMAP modules.

Because we need Open Firmware to be available before mutexes can be used on
sparc64, changes are also included to allow KOBJ to be used very early in
the boot process by only using the mutex once we know it has been initialized.

Reviewed by:    marius, grehan
2008-12-20 00:33:10 +00:00
nwhitehorn
ad445e7d05 Unbreak ofwdump build by moving the pcell_t definition to after the kernel
types headers, and inside the _KERNEL ifdef.

Pointy hat to: me
2008-12-15 18:20:59 +00:00
nwhitehorn
f0e837432d Adapt parts of the sparc64 Open Firmware bus enumeration code (in particular,
the code for parsing interrupt maps) to PowerPC and reflect their new MI
status by moving them to the shared dev/ofw directory.

This commit also modifies the OFW PCI enumeration procedure on PowerPC to
allow the bus to find non-firmware-enumerated devices that Apple likes to add,
and adds some useful Open Firmware properties (compat and name) to the pnpinfo
string of children on OFW SBus, EBus, PCI, and MacIO links. Because of the
change to PCI enumeration on PowerPC, X has started working again on PPC
machines with Grackle hostbridges.

Reviewed by:	marius
Obtained from:	sparc64
2008-12-15 15:31:10 +00:00
marius
1d8fcccf39 - Restore the machine independency of sys/dev/ofw/openfirm.{c,h} by
moving OF_set_mmfsa_traptable() (SUNW,set-trap-table with the two
  arguments used here is specific to sun4v) to MD code.
- In sys/dev/ofw/openfirm.h remove prototypes for unimplemented
  functions and unused Solaris compatibility macros.
2007-06-16 22:30:38 +00:00
kmacy
65e20bda09 kernel clean up to make the sun4v kernel build
Reviewed by: jmg
Approved by: rwatson (mentor)
2006-10-09 04:45:19 +00:00
imp
4b319958e7 Start each of the license/copyright comments with /*-, minor shuffle of lines 2005-01-06 01:43:34 +00:00
marius
24ad8a9842 Instead of "OpenFirmware", "openfirmware", etc. use the official spelling
"Open Firmware" from IEEE 1275 and OpenFirmware.org (no pun intended).

Ok'ed by:	tmm
2004-08-16 15:45:27 +00:00
jake
b5d362bc53 Implement OF_interpret.
Obtained from:	netbsd
2003-06-07 18:34:04 +00:00
tmm
c68dcf7b48 Add an #ifdef _KERNEL to make it possible to include this file from
userland (to get the typedefs).
2002-10-18 15:21:09 +00:00
tmm
f90b466a85 1. Add ofw_pci.h with definitions for the OpenFirmware PCI bindings
2. Add OF_getprop_alloc(), a helper function that will malloc() a sufficient
   amount of memory and then retrieve a property value into it.

Approved by:	benno
Obtained from:	NetBSD (1)
2001-11-18 20:38:44 +00:00
jake
104745ff11 Make the openfirmware functions work on 64 bit architectures by using
a standard cell_t type for the fields of all argument structs.  Also
make ihandle_t and phandle_t unsigned to avoid sign extension problems.

Approved by:	benno
2001-07-31 03:36:26 +00:00
benno
c92b4bbf4f Bracket this file in the usual #ifndef/#define/#endif stuff to prevent
multiple inclusion.
2001-06-27 12:15:58 +00:00
benno
10abd05c14 OpenFirmware kernel support, as used by the PowerPC and hopefully other
ports later on.

This includes the basic MI interface routines as well as a console driver.
The MD code is kept in the MD directories.

Reviewed by:	obrien
2001-06-16 07:17:56 +00:00
benno
7d73a33303 OpenFirmware/PowerPC loader, part 2.
As of this patchset, the loader builds (under NetBSD/macppc), boots, interacts
and talks to BOOTP/NFS servers.

(main.c was moved from boot/ofw/libofw to boot/ofw/common but has no revision
 history)

Reviewed by:	obrien
2000-11-10 06:39:58 +00:00
obrien
d84d862cbd "Ok, my loader's now up to putting up a prompt. It probes disks partially
but can't boot from them yet."

Thanks to Stephane Potvin for the some of the code in this set.

Submitted by:	Benno Rice <benno@jeamland.net>
2000-10-16 10:46:22 +00:00