Based on the discussions on the mailing list, document enum
dpu_intf_type and it's controversial fields: INTF_DP and INTF_EDP.
INTF_EDP is used for older eDP interface found on msm8x74/msm8x84
INTF_DP is used for both eDP and DP interfaces handled by the msm/dp
driver. The DPU driver does not make a difference between them.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/475555/
Link: https://lore.kernel.org/r/20220222062246.242577-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Remove additional indirection: specify IRQ callbacks and IRQ indices
directly rather than through the pointer in the irq structure. For each
IRQ we have a constant IRQ callback. This change simplifies code review
as the reader no longer needs to remember which function is called.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/474700/
Link: https://lore.kernel.org/r/20220217043148.480898-6-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
DPU interrupts code allows multiple callbacks per interrut. In reality
none of the interrupts is shared between blocks (and will probably never
be). Drop support for registering multiple callbacks per interrupt to
simplify interrupt handling code.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/474701/
Link: https://lore.kernel.org/r/20220217043148.480898-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Instead of enabling/disabling the clock at each IO configuration update,
just keep the clock enabled from the probe.
This makes things simpler and more efficient (e.g. the time required to
toggle an output IO is drastically decreased) without significantly
increasing the power consumption.
Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20220422143608.226580-1-fabien.dessenne@foss.st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Merge tag 'v5.18-rc5' into devel
Merge in Linux 5.18-rc5 since new code to the STM32 driver
depend in a non-trivial way on the fixes merged in -rc5.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
IES26 (BIT 16 of IES1_CFG_ADDR) controls the following pads:
- PAD_I2S_DATA_IN (GPIO114)
- PAD_I2S_LRCK (GPIO115)
- PAD_I2S_BCK (GPIO116)
The pinctrl table is wrong since it lists pins 114 to 112.
Update the table with the correct values.
Fixes: e94d8b6fb8 ("pinctrl: mediatek: add support for mt8365 SoC")
Reported-by: Youngmin Han <Youngmin.Han@geappliances.com>
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20220426125714.298907-1-mkorpershoek@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
For lan966x, the GPIO 35 has the wrong function for alternate mode 2.
The mode is not none but is PTP sync.
Fixes: 531d6ab365 ("pinctrl: ocelot: Extend support for lan966x")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
Link: https://lore.kernel.org/r/20220413192918.3777234-1-horatiu.vultur@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
For the "nosmp" use case, the APIC initialization code selects
"APIC_SYMMETRIC_IO_NO_ROUTING" as the default interrupt mode and avoids
probing APIC drivers.
This works well for the default APIC modes, but for the x2APIC case the
probe function is required to allocate the cluster_hotplug mask. So in the
APIC_SYMMETRIC_IO_NO_ROUTING case when the x2APIC is initialized it
dereferences a NULL pointer and the kernel crashes.
This was observed on a TDX platform where x2APIC is enabled and "nosmp"
command line option is allowed.
To fix this issue, probe APIC drivers via default_setup_apic_routing() for
the APIC_SYMMETRIC_IO_NO_ROUTING interrupt mode too.
Suggested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/a64f864e1114bcd63593286aaf61142cfce384ea.1650076869.git.sathyanarayanan.kuppuswamy@intel.com
Define a function named fsverity_get_digest() to return the verity file
digest and the associated hash algorithm (enum hash_algo).
This assumes that before calling fsverity_get_digest() the file must have
been opened, which is even true for the IMA measure/appraise on file
open policy rule use case (func=FILE_CHECK). do_open() calls vfs_open()
immediately prior to ima_file_check().
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Integrity file violations - ToM/ToU, open writers - are recorded in the IMA
measurement list, containing 0x00's in both the template data and file data
hash fields, but 0xFF's are actually extended into TPM PCRs. Although the
original 'ima' template data field ('d') is limited to 20 bytes, the 'd-ng'
template digest field is not.
The violation file data hash template field ('d-ng') is unnecessarily hard
coded to SHA1. Instead of simply replacing the hard coded SHA1 hash
algorithm with a larger hash algorithm, use the hash algorithm as defined
in "ima_hash_algo". ima_hash_algo is set to either the Kconfig IMA default
hash algorithm or as defined on the boot command line (ima_hash=).
Including a non-SHA1 file data hash algorithm in the 'd-ng' field of
violations is a cosmetic change. The template data hash field, which is
extended into the TPM PCRs, is not affected by this change and should not
affect attestation of the IMA measurement list.
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Initially the 'd-ng' template field did not prefix the digest with either
"md5" or "sha1" hash algorithms. Prior to being upstreamed this changed,
but the comments and documentation were not updated. Fix the comments
and documentation.
Fixes: 4d7aeee73f ("ima: define new template ima-ng and template fields d-ng and n-ng")
Reported-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
* Take care of faults occuring between the PARange and
IPA range by injecting an exception
* Fix S2 faults taken from a host EL0 in protected mode
* Work around Oops caused by a PMU access from a 32bit
guest when PMU has been created. This is a temporary
bodge until we fix it for good.
x86:
* Fix potential races when walking host page table
* Fix shadow page table leak when KVM runs nested
* Work around bug in userspace when KVM synthesizes leaf
0x80000021 on older (pre-EPYC) or Intel processors
Generic (but affects only RISC-V):
* Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Take care of faults occuring between the PARange and IPA range by
injecting an exception
- Fix S2 faults taken from a host EL0 in protected mode
- Work around Oops caused by a PMU access from a 32bit guest when PMU
has been created. This is a temporary bodge until we fix it for
good.
x86:
- Fix potential races when walking host page table
- Fix shadow page table leak when KVM runs nested
- Work around bug in userspace when KVM synthesizes leaf 0x80000021
on older (pre-EPYC) or Intel processors
Generic (but affects only RISC-V):
- Fix bad user ABI for KVM_EXIT_SYSTEM_EVENT"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: work around QEMU issue with synthetic CPUID leaves
Revert "x86/mm: Introduce lookup_address_in_mm()"
KVM: x86/mmu: fix potential races when walking host page table
KVM: fix bad user ABI for KVM_EXIT_SYSTEM_EVENT
KVM: x86/mmu: Do not create SPTEs for GFNs that exceed host.MAXPHYADDR
KVM: arm64: Inject exception on out-of-IPA-range translation fault
KVM/arm64: Don't emulate a PMU for 32-bit guests if feature not set
KVM: arm64: Handle host stage-2 faults from 32-bit EL0
The of_device_id was added to allow module autoloading, but it should be
also used to allow driver matching via Devicetree.
This also fixes W=1 warning:
drivers/iio/adc/ti-ads8688.c:501:34: error: ‘ads8688_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220501103447.111392-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The of_device_id was added to allow module autoloading, but it should be
also used to allow driver matching via Devicetree.
This also fixes W=1 warning:
drivers/iio/adc/stmpe-adc.c:357:34: error: ‘stmpe_adc_ids’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220501103447.111392-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix a couple of examples using incorrect compatible strings.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Slawomir Stepien <sst@poczta.fm>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220422192039.2590548-1-robh@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This function (up to now) returns zero unconditionally, so there isn't
any benefit of returning a value. Make it return void to be able to see
at a glance that the return value of mpu3050_i2c_remove is always zero.
This patch is a preparation for making i2c remove callbacks return void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220425191735.59032-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
solely controlled by the hypervisor
- A build fix to make the function prototype (__warn()) as visible as
the definition itself
- A bunch of objtool annotation fixes which have accumulated over time
- An ORC unwinder fix to handle bad input gracefully
- Well, we thought the microcode gets loaded in time in order to restore
the microcode-emulated MSRs but we thought wrong. So there's a fix for
that to have the ordering done properly
- Add new Intel model numbers
- A spelling fix
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Merge tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- A fix to disable PCI/MSI[-X] masking for XEN_HVM guests as that is
solely controlled by the hypervisor
- A build fix to make the function prototype (__warn()) as visible as
the definition itself
- A bunch of objtool annotation fixes which have accumulated over time
- An ORC unwinder fix to handle bad input gracefully
- Well, we thought the microcode gets loaded in time in order to
restore the microcode-emulated MSRs but we thought wrong. So there's
a fix for that to have the ordering done properly
- Add new Intel model numbers
- A spelling fix
* tag 'x86_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/pci/xen: Disable PCI/MSI[-X] masking for XEN_HVM guests
bug: Have __warn() prototype defined unconditionally
x86/Kconfig: fix the spelling of 'becoming' in X86_KERNEL_IBT config
objtool: Use offstr() to print address of missing ENDBR
objtool: Print data address for "!ENDBR" data warnings
x86/xen: Add ANNOTATE_NOENDBR to startup_xen()
x86/uaccess: Add ENDBR to __put_user_nocheck*()
x86/retpoline: Add ANNOTATE_NOENDBR for retpolines
x86/static_call: Add ANNOTATE_NOENDBR to static call trampoline
objtool: Enable unreachable warnings for CLANG LTO
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE
x86,objtool: Mark cpu_startup_entry() __noreturn
x86,xen,objtool: Add UNWIND hint
lib/strn*,objtool: Enforce user_access_begin() rules
MAINTAINERS: Add x86 unwinding entry
x86/unwind/orc: Recheck address range after stack info was updated
x86/cpu: Load microcode during restore_processor_state()
x86/cpu: Add new Alderlake and Raptorlake CPU model numbers
Convert B53 to use phylink_pcs for the serdes rather than hooking it
into the MAC-layer callbacks.
Fixes: 81c1681cbb ("net: dsa: b53: mark as non-legacy")
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexandru Tachici says:
====================
net: phy: adin1100: Add initial support for ADIN1100 industrial PHY
The ADIN1100 is a low power single port 10BASE-T1L transceiver designed for
industrial Ethernet applications and is compliant with the IEEE 802.3cg
Ethernet standard for long reach 10 Mb/s Single Pair Ethernet.
The ADIN1100 uses Auto-Negotiation capability in accordance
with IEEE 802.3 Clause 98, providing a mechanism for
exchanging information between PHYs to allow link partners to
agree to a common mode of operation.
The concluded operating mode is the transmit amplitude mode and
master/slave preference common across the two devices.
Both device and LP advertise their ability and request for
increased transmit at:
- BASE-T1 autonegotiation advertisement register [47:32]\
Clause 45.2.7.21 of Standard 802.3
- BIT(13) - 10BASE-T1L High Level Transmit Operating Mode Ability
- BIT(12) - 10BASE-T1L High Level Transmit Operating Mode Request
For 2.4 Vpp (high level transmit) operation, both devices need
to have the High Level Transmit Operating Mode Ability bit set,
and only one of them needs to have the High Level Transmit
Operating Mode Request bit set. Otherwise 1.0 Vpp transmit level
will be used.
Settings for eth1:
Supported ports: [ TP MII ]
Supported link modes: 10baseT1L/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT1L/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Link partner advertised link modes: 10baseT1L/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Link partner advertised FEC modes: Not reported
Speed: 10Mb/s
Duplex: Full
Auto-negotiation: on
master-slave cfg: preferred slave
master-slave status: slave
Port: Twisted Pair
PHYAD: 0
Transceiver: external
MDI-X: Unknown
Link detected: yes
SQI: 7/7
1. Add basic support for ADIN1100.
Alexandru Ardelean (1):
net: phy: adin1100: Add initial support for ADIN1100 industrial PHY
1. Added 10baset-T1L link modes.
2. Added 10-BasetT1L registers.
3. Added Base-T1 auto-negotiation registers. For Base-T1 these
registers decide master/slave status and TX voltage of the
device and link partner.
4. Added 10BASE-T1L support in phy-c45.c. Now genphy functions will call
Base-T1 functions where registers don't match, like the auto-negotiation ones.
5. Convert MSE to SQI using a predefined table and allow user access
through ethtool.
6. DT bindings for the 2.4 Vpp transmit mode.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a tristate property to advertise desired transmit level.
If the device supports the 2.4 Vpp operating mode for 10BASE-T1L,
as defined in 802.3gc, and the 2.4 Vpp transmit voltage operation
is desired, property should be set to 1. This property is used
to select whether Auto-Negotiation advertises a request to
operate the 10BASE-T1L PHY in increased transmit level mode.
If property is set to 1, the PHY shall advertise a request
to operate the 10BASE-T1L PHY in increased transmit level mode.
If property is set to zero, the PHY shall not advertise
a request to operate the 10BASE-T1L PHY in increased transmit level mode.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Determine the SQI from MSE using a predefined table
for the 10BASE-T1L.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ADIN1100 is a low power single port 10BASE-T1L transceiver designed for
industrial Ethernet applications and is compliant with the IEEE 802.3cg
Ethernet standard for long reach 10 Mb/s Single Pair Ethernet.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is needed because the BASE-T1 uses different registers
for status, control and advertisement to those already
employed in the existing phy-c45 functions.
Where required, genphy_c45 functions will now check whether
the device supports BASE-T1 and use the specific registers
instead: 45.2.7.19 BASE-T1 AN control register,
45.2.7.20 BASE-T1 AN status, 45.2.7.21 BASE-T1 AN
advertisement register, 45.2.7.22 BASE-T1 AN LP Base
Page ability register, 45.2.1.185 BASE-T1 PMA/PMD control
register.
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added BASE-T1 AN advertisement register (Registers 7.514, 7.515, and
7.516) and BASE-T1 AN LP Base Page ability register (Registers 7.517,
7.518, and 7.519).
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The 802.3gc specification defines the 10-BaseT1L link
mode for ethernet trafic on twisted wire pair.
PMA status register can be used to detect if the phy supports
2.4 V TX level and PCS control register can be used to
enable/disable PCS level loopback.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add entry for the 10base-T1L full duplex mode.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correct the logic for the probe. First check of_match_table, if
not meet, then check i2c_driver.id_table. If both not meet, then
return fail.
Fixes: a47ac019e7 ("iio: mma8452: Fix probe failing when an i2c_device_id is used")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/1650876060-17577-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
fallthrough detection and relocation handling of weak symbols when the
toolchain strips section symbols
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Merge tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
"A bunch of objtool fixes to improve unwinding, sibling call detection,
fallthrough detection and relocation handling of weak symbols when the
toolchain strips section symbols"
* tag 'objtool_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Fix code relocs vs weak symbols
objtool: Fix type of reloc::addend
objtool: Fix function fallthrough detection for vmlinux
objtool: Fix sibling call detection in alternatives
objtool: Don't set 'jump_dest' for sibling calls
x86/uaccess: Don't jump between functions
After scan aborts we still receive some hw scan c2h packets, and
processing these c2h commands will change current channel. If device
already connect to other AP, driver will set wrong op channel due
to current channel changed. The disconnection happens when hw scan back
to wrong op channel that device can't receive beacon from AP. To fix
this issue, we ignore the late c2h if we are not scanning, and set
current channel back to op channel after scan to align the FW behavior.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220428020521.8015-3-pkshih@realtek.com
Correct the judgment to let beacon filter disable after disconnection.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220428020521.8015-2-pkshih@realtek.com
Each chip have best ampdu density value, the correct setting can improve
throughput performance.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220428020521.8015-1-pkshih@realtek.com
All but 5 methods in dsa_swith_ops use tabs for indentation.
Change the 5 methods that break this rule.
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
with the usage of this function in nic_mbx_intr_handler().
Cache the Linux interrupt numbers in struct nicpf and use that cache in the
interrupt handler to select the mailbox.
Fixes: 495c66aca3 ("genirq/msi: Convert to new functions")
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Sunil Goutham <sgoutham@marvell.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2041772
Signed-off-by: David S. Miller <davem@davemloft.net>
Apple SoCs such as the M1 come with a simple DMA address filter called
SART. Unlike a real IOMMU no pagetables can be configured but instead
DMA transactions can be allowed for up to 16 paddr regions. The consumer
also needs special support since not all DMA allocations have to be
added to this filter.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Apple SoCs such as the M1 come with multiple embedded co-processors
running proprietary firmware. Communication with those is established
over a simple mailbox using the RTKit IPC protocol.
This cannot be implemented inside the mailbox subsystem since on top
of communication over channels we also need support for starting,
hibernating and resetting these co-processors. We also need to
handle shared memory allocations differently depending on the
co-processor and don't want to split that across multiple drivers.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
We want to allow the code inside drivers/soc/apple to be compiled with
COMPILE_TEST but this will currently result in linking errors because
ARCH_APPLE is not set and make will never recurse into
drivers/soc/apple.
Let's just unconditionally recurse into apple/ since all drivers
in there are guarded by config options anyways.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
This is the initial SoQuartz SoM device tree on a CM4IO carrier board.
This board outputs debug on uart2 and supports the following components:
Gigabit Ethernet
USB2 (OTG/Host shared)
PCIe 2.0 x1
HDMI (HDMI Port 0)
eDP (HDMI Port 1)
DSI (RPi compatible pinout)
CSI (RPi compatible pinout)
A/B/G/N WiFi
Bluetooth
SDMMC
eMMC
SPI NOR Flash (Not placed)
PI-40 compatible pin header
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220429115252.2360496-7-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Add a device tree for the Pine64 Quartz64 Model B single board computer.
This board ouputs debug on uart2 and supports the following components:
Gigabit Ethernet
USB2 x2 (one port otg capable)
USB3
PCIe/SATA M2
HDMI
DSI (RPi compatible pinout)
CSI (RPi compatible pinout)
A/B/G/N WiFi
Bluetooth
SDMMC
eMMC
SPI Flash
PI-40 compatible pin header
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220429115252.2360496-6-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The Station M2 is a compact single board computer based on the rk3566
SoC. It outputs on uart2 for debug and console purposes.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220429115252.2360496-4-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The SoQuartz system on module is designed to be pin compatible with the
RPi CM4 SoM. It is based on the rk3566 SoC and outputs on uart2 for
debug and console. The first carrier board supported is the CM4IO board
from RPi.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220429115252.2360496-3-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The Quartz64 Model B is a compact single board computer from Pine64
based on the rk3566 SoC. It outputs on uart2 for the debug console.
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220429115252.2360496-2-pgwipeout@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
