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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
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# gpg: Signature made Fri 02 Sep 2022 02:30:35 EDT
# gpg: using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* tag 'net-pull-request' of https://github.com/jasowang/qemu: (21 commits)
net: tulip: Restrict DMA engine to memories
net/colo.c: Fix the pointer issue reported by Coverity.
vdpa: Delete CVQ migration blocker
vdpa: Add virtio-net mac address via CVQ at start
vhost_net: add NetClientState->load() callback
vdpa: extract vhost_vdpa_net_cvq_add from vhost_vdpa_net_handle_ctrl_avail
vdpa: Move command buffers map to start of net device
vdpa: add net_vhost_vdpa_cvq_info NetClientInfo
vhost_net: Add NetClientInfo stop callback
vhost_net: Add NetClientInfo start callback
vhost: Do not depend on !NULL VirtQueueElement on vhost_svq_flush
vhost: Delete useless read memory barrier
vhost: use SVQ element ndescs instead of opaque data for desc validation
vhost: stop transfer elem ownership in vhost_handle_guest_kick
vdpa: Use ring hwaddr at vhost_vdpa_svq_unmap_ring
vhost: Always store new kick fd on vhost_svq_set_svq_kick_fd
vdpa: Make SVQ vring unmapping return void
vdpa: Remove SVQ vring from iova_tree at shutdown
util: accept iova_tree_remove_parameter by value
vdpa: do not save failed dma maps in SVQ iova tree
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
If you specify a known backend but it isn't compiled in, or failed to
initialize, you get a simple warning and the "none" backend as a
fallback, and QEMU runs happily:
$ qemu-system-x86_64 -audiodev id=audio,driver=dsound
audio: Unknown audio driver `dsound'
audio: warning: Using timer based audio emulation
...
Instead, QEMU should fail to start:
$ qemu-system-x86_64 -audiodev id=audio,driver=dsound
audio: Unknown audio driver `dsound'
$
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1983493
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20220822131021.975656-1-marcandre.lureau@redhat.com>
Change to dynamically include the test cases by checking AF_UNIX
availability using a new helper socket_check_afunix_support().
With such changes testing on a Windows host can be covered as well.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-5-bmeng.cn@gmail.com>
Now that AF_UNIX has come to Windows, update the existing logic in
qemu_chr_compute_filename() and qmp_chardev_open_socket() for Windows.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-4-bmeng.cn@gmail.com>
Support for the unix socket has existed both in BSD and Linux for the
longest time, but not on Windows. Since Windows 10 build 17063 [1],
the native support for the unix socket has come to Windows. Starting
this build, two Win32 processes can use the AF_UNIX address family
over Winsock API to communicate with each other.
[1] https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/
Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-3-bmeng.cn@gmail.com>
The DMA engine is started by I/O access and then itself accesses the
I/O registers, triggering a reentrancy bug.
The following log can reveal it:
==5637==ERROR: AddressSanitizer: stack-overflow
#0 0x5595435f6078 in tulip_xmit_list_update qemu/hw/net/tulip.c:673
#1 0x5595435f204a in tulip_write qemu/hw/net/tulip.c:805:13
#2 0x559544637f86 in memory_region_write_accessor qemu/softmmu/memory.c:492:5
#3 0x5595446379fa in access_with_adjusted_size qemu/softmmu/memory.c:554:18
#4 0x5595446372fa in memory_region_dispatch_write qemu/softmmu/memory.c
#5 0x55954468b74c in flatview_write_continue qemu/softmmu/physmem.c:2825:23
#6 0x559544683662 in flatview_write qemu/softmmu/physmem.c:2867:12
#7 0x5595446833f3 in address_space_write qemu/softmmu/physmem.c:2963:18
#8 0x5595435fb082 in dma_memory_rw_relaxed qemu/include/sysemu/dma.h:87:12
#9 0x5595435fb082 in dma_memory_rw qemu/include/sysemu/dma.h:130:12
#10 0x5595435fb082 in dma_memory_write qemu/include/sysemu/dma.h:171:12
#11 0x5595435fb082 in stl_le_dma qemu/include/sysemu/dma.h:272:1
#12 0x5595435fb082 in stl_le_pci_dma qemu/include/hw/pci/pci.h:910:1
#13 0x5595435fb082 in tulip_desc_write qemu/hw/net/tulip.c:101:9
#14 0x5595435f7e3d in tulip_xmit_list_update qemu/hw/net/tulip.c:706:9
#15 0x5595435f204a in tulip_write qemu/hw/net/tulip.c:805:13
Fix this bug by restricting the DMA engine to memories regions.
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
When enabled the virtio-net-pci, guest network packet will
load the vnet_hdr. In COLO status, the primary VM's network
packet maybe redirect to another VM, it needs filter-redirect
enable the vnet_hdr flag at the same time, COLO-proxy will
correctly parse the original network packet. If have any
misconfiguration here, the vnet_hdr_len is wrong for parse
the packet, the data+offset will point to wrong place.
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We can restore the device state in the destination via CVQ now. Remove
the migration blocker.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This is needed so the destination vdpa device see the same state a the
guest set in the source.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
It allows per-net client operations right after device's successful
start. In particular, to load the device status.
Vhost-vdpa net will use it to add the CVQ buffers to restore the device
status.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
So we can reuse it to inject state messages.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
--
v7:
* Remove double free error
v6:
* Do not assume in buffer sent to the device is sizeof(virtio_net_ctrl_ack)
v5:
* Do not use an artificial !NULL VirtQueueElement
* Use only out size instead of iovec dev_buffers for these functions.
Signed-off-by: Jason Wang <jasowang@redhat.com>
As this series will reuse them to restore the device state at the end of
a migration (or a device start), let's allocate only once at the device
start so we don't duplicate their map and unmap.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Next patches will add a new info callback to restore NIC status through
CVQ. Since only the CVQ vhost device is needed, create it with a new
NetClientInfo.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Used by the backend to perform actions after the device is stopped.
In particular, vdpa net use it to unmap CVQ buffers to the device,
cleaning the actions performed in prepare().
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This is used by the backend to perform actions before the device is
started.
In particular, vdpa net use it to map CVQ buffers to the device, so it
can send control commands using them.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Since QEMU will be able to inject new elements on CVQ to restore the
state, we need not to depend on a VirtQueueElement to know if a new
element has been used by the device or not. Instead of check that, check
if there are new elements only using used idx on vhost_svq_flush.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
As discussed in previous series [1], this memory barrier is useless with
the atomic read of used idx at vhost_svq_more_used. Deleting it.
[1] https://lists.nongnu.org/archive/html/qemu-devel/2022-07/msg02616.html
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Since we're going to allow SVQ to add elements without the guest's
knowledge and without its own VirtQueueElement, it's easier to check if
an element is a valid head checking a different thing than the
VirtQueueElement.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
It was easier to allow vhost_svq_add to handle the memory. Now that we
will allow qemu to add elements to a SVQ without the guest's knowledge,
it's better to handle it in the caller.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reduce code duplication.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We can unbind twice a file descriptor if we call twice
vhost_svq_set_svq_kick_fd because of this. Since it comes from vhost and
not from SVQ, that file descriptor could be a different thing that
guest's vhost notifier.
Likewise, it can happens the same if a guest start and stop the device
multiple times.
Reported-by: Lei Yang <leiyang@redhat.com>
Fixes: dff4426fa6 ("vhost: Add Shadow VirtQueue kick forwarding capabilities")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Nothing actually reads the return value, but an error in cleaning some
entries could cause device stop to abort, making a restart impossible.
Better ignore explicitely the return value.
Reported-by: Lei Yang <leiyang@redhat.com>
Fixes: 34e3c94eda ("vdpa: Add custom IOTLB translations to SVQ")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Although the device will be reset before usage, the right thing to do is
to clean it.
Reported-by: Lei Yang <leiyang@redhat.com>
Fixes: 34e3c94eda ("vdpa: Add custom IOTLB translations to SVQ")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
It's convenient to call iova_tree_remove from a map returned from
iova_tree_find or iova_tree_find_iova. With the current code this is not
possible, since we will free it, and then we will try to search for it
again.
Fix it making accepting the map by value, forcing a copy of the
argument. Not applying a fixes tag, since there is no use like that at
the moment.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
If a map fails for whatever reason, it must not be saved in the tree.
Otherwise, qemu will try to unmap it in cleanup, leaving to more errors.
Fixes: 34e3c94eda ("vdpa: Add custom IOTLB translations to SVQ")
Reported-by: Lei Yang <leiyang@redhat.com>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Next patch will skip the registering of dma maps that the vdpa device
rejects in the iova tree. We need to consider that here or we cause a
SIGSEGV accessing result.
Reported-by: Lei Yang <leiyang@redhat.com>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.
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Merge tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu into staging
ppc patch queue for 2022-08-31:
In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.
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# gpg: Signature made Wed 31 Aug 2022 16:09:58 EDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
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* tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu: (60 commits)
ppc4xx: Fix code style problems reported by checkpatch
ppc/ppc4xx: Fix sdram trace events
hw/ppc/Kconfig: Move imply before select
hw/ppc/sam460ex: Remove PPC405 dependency from sam460ex
ppc405: Move machine specific code to ppc405_boards.c
ppc/ppc405: QOM'ify FPGA
ppc/ppc405: Use an explicit I2C object
hw/intc/ppc-uic: Convert ppc-uic to a PPC4xx DCR device
ppc/ppc405: Use an embedded PPCUIC model in SoC state
ppc4xx: Rename ppc405-ebc to ppc4xx-ebc
ppc4xx: Move EBC model to ppc4xx_devs.c
ppc4xx: Rename ppc405-plb to ppc4xx-plb
ppc4xx: Move PLB model to ppc4xx_devs.c
ppc/ppc405: QOM'ify MAL
ppc/ppc405: QOM'ify PLB
ppc/ppc405: QOM'ify POB
ppc/ppc405: QOM'ify OPBA
ppc/ppc405: QOM'ify EBC
ppc/ppc405: QOM'ify DMA
ppc/ppc405: QOM'ify GPIO
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This bit is not saved across interrupts, so we must
delay delivering the interrupt until the skip has
been processed.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1118
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We cannot deliver two interrupts simultaneously;
the first interrupt handler must execute first.
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is no need to go through cc->tcg_ops when
we know what value that must have.
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
While there are no target-specific nonfaulting probes,
generic code may grow some uses at some point.
Note that the attrs argument was incorrect -- it should have
been MEMTXATTRS_UNSPECIFIED. Just use the simpler interface.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Two preparation patches for the upcoming removal of the slirp submodule
* Some other small test fixes (typos, etc.)
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Merge tag 'testing-pull-request-2022-08-30' of https://gitlab.com/thuth/qemu into staging
* First batch of patches to get qtests adapted for Windows
* Two preparation patches for the upcoming removal of the slirp submodule
* Some other small test fixes (typos, etc.)
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# gpg: Signature made Tue 30 Aug 2022 14:29:11 EDT
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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'testing-pull-request-2022-08-30' of https://gitlab.com/thuth/qemu: (23 commits)
tests/avocado/migration: Get find_free_port() from the ports
tests/qtest/ac97-test: Correct reference to driver
gitlab-ci: Only use one process in Windows jobs for compilation
docs/devel/testing: fix minor typo
tests/avocado: Fix trivial typo
tests/avocado: Do not run tests that require libslirp if it is not available
tests/vm: Add libslirp to the VM tests
tests/qtest: prom-env-test: Use double quotes to pass the prom-env option
tests/qtest: npcm7xx_emc-test: Skip running test_{tx, rx} on win32
tests/qtest: machine-none-test: Use double quotes to pass the cpu option
tests/qtest: device-plug-test: Reverse the usage of double/single quotes
tests/qtest: libqos: Rename malloc.h to libqos-malloc.h
tests/qtest: libqos: Drop inclusion of <sys/wait.h>
tests/qtest: migration-test: Skip running test_migrate_fd_proto on win32
tests/qtest: i440fx-test: Skip running request_{bios, pflash} for win32
tests/qtest: Build cases that use memory-backend-file for posix only
tests/qtest: Build e1000e-test for posix only
tests/qtest: Adapt {m48t59,rtc}-test cases for win32
backends/tpm: Exclude headers and macros that don't exist on win32
tests/qtest: migration-test: Handle link() for win32
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In pegasos2 section move imply before select to match other sections.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <4d46dde64c2e5df6db3f92426fb3ae885939c2b0.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Now that shared PPC4xx devices are separated from PPC405 ones we can
drop this depencency.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <cf6c1d280f830beeea41128595c8c026d5126d2b.1660762465.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
These are only used by the board code so move out from the shared SoC
model and put it in the boards file.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <2b23bcaaf191f96b217cbd06a6038694024862c3.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Having an explicit I2C model object will help if one day we want to
add I2C devices on the bus from the machine init routine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: Symplify sysbus device casts for readibility]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <68eb8b5ac408ca8cc981ebf53a3e154c0d34c7f6.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Make ppc-uic a subclass of ppc4xx-dcr-device which will handle the cpu
link and make it uniform with the other PPC4xx devices.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <eb548130cf60aea8a6ea4dba4dee1686b3cabc3d.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This device is shared between different 4xx socs.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <63d9b14c8ff5f73e35bffca1036394b5235735ee.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The EBC is shared between 405 and 440 so move it to shared file.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <10eae70509ca4bd74858fc2c0a0f0e4eb9330199.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This device is shared between different 4xx socs.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <5b13ebfd12a71a28035bed5a915cbeee81cf21d1.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The PLB is shared between 405 and 440 so move it to the shared file.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <2498384bf3e18959ee8cb984d72fb66b8a6ecadc.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The Memory Access Layer (MAL) controller is currently modeled as a DCR
device with 4 IRQs. Also drop the ppc4xx_mal_init() helper and adapt
the sam460ex machine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes, add finalize method]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <d54a243dff94d95ba30dbcc09c27700a90ade932.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
PLB is currently modeled as a simple DCR device. Also drop the
ppc4xx_plb_init() helper and adapt the sam460ex machine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <c4256d1bffca86fe1d696aa9c56732e5f563e114.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
