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Registers x0/x1 get repeateadly pushed and poped during a host
HVC call. Instead, leave the registers on the stack, trading
a store instruction on the fast path for an add on the slow path.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Move the setting of SSBS directly into the HVC handler, using
the C helpers rather than the inline asssembly code.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Directly using the kimage_voffset variable is fine for now, but
will become more problematic as we start distrusting EL1.
Instead, patch the kimage_voffset into the HYP text, ensuring
we don't have to load an untrusted value later on.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Add pwm to mt8183 and backlight to mt8183-kukui.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201124041253.4181273-1-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The SMI (Smart Multimedia Interface) Common is a bridge between the m4u
(Multimedia Memory Management Unit) and the Multimedia HW. This block is
needed to support different multimedia features, like display, video
decode, and camera. Also is needed to control the power domains of such
HW blocks.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201030113622.201188-13-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The pumpkin board is made by Gossamer Engineering and is using
a MediaTek SoC. The board currently comes in two available version:
MT8516 SoC and MT8167 SoC.
The board provides the following IOs: eMMC, NAND, SD card, USB type-A,
Ethernet, Wi-Fi, Bluetooth, Audio (jack out, 2 PDM port, 1 analog in),
serial over USB, HDMI, DSI, CSI, and an expansion header.
The board can be powered by battery and/or via a USB Type-C port and
is using a PMIC MT6392.
The eMMC and NAND are sharing pins and cannot be used together.
This commit is adding the basic boot support for the Pumpkin MT8167
board.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20201027194816.1227654-3-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The MT8167 SoC provides the following peripherals: GPIO, UART, USB2,
SPI, eMMC, SDIO, NAND, Flash, ADC, I2C, PWM, TImers, IR, Ethernet,
Audio (I2S, SPDIF, TDM, HDMI), HDMI, DSI, CSI, MDP (Multimedia Data
Path), Video encoding (H.264), Video Decoding (H.264, VP8).
The MT8167 is compatible with MT8516 but provides multimedia IPs to it.
This commit is just adding the basic dtsi file with the support of the
following IOs: GPIO, Clocks.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20201027194816.1227654-2-fparent@baylibre.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
- Cleanups of the hisilicon DTS to align with the dtschema. All of them do not
have any functional effect except passing dtschema checks or dtc W=2 builds.
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Merge tag 'hisi-arm64-dt-for-5.11' of git://github.com/hisilicon/linux-hisi into arm/dt
ARM64: DT: Hisilicon ARM64 DT updates for 5.11
- Cleanups of the hisilicon DTS to align with the dtschema. All of them do not
have any functional effect except passing dtschema checks or dtc W=2 builds.
* tag 'hisi-arm64-dt-for-5.11' of git://github.com/hisilicon/linux-hisi:
arm64: dts: hisilicon: Use generic "ngpios" rather than "snps,nr-gpios"
arm64: dts: hi3660: Harmonize DWC USB3 DT nodes name
arm64: dts: hisilicon: list all clocks required by snps-dw-apb-uart.yaml
arm64: dts: hisilicon: list all clocks required by pl011.yaml
arm64: dts: hisilicon: list all clocks required by spi-pl022.yaml
arm64: dts: hisilicon: normalize the node name of the UART devices
arm64: dts: hisilicon: normalize the node name of the usb devices
arm64: dts: hisilicon: normalize the node name of the SMMU devices
arm64: dts: hisilicon: place clock-names "biu" before "ciu"
arm64: dts: hisilicon: remove unused property pinctrl-names
arm64: dts: hisilicon: write the values of property-units into a uint32 array
arm64: dts: hisilicon: separate each group of data in the property "reg"
arm64: dts: hisilicon: normalize the node name of the ITS devices
Link: https://lore.kernel.org/r/5FBDC416.5060008@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a couple of fixes to device trees. Among other things,
this restores suspend/resume on Jetson TX2 and makes USB OTG work on
Jetson TX1.
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Merge tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
arm64: tegra: Device tree fixes for v5.10-rc6
This contains a couple of fixes to device trees. Among other things,
this restores suspend/resume on Jetson TX2 and makes USB OTG work on
Jetson TX1.
* tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: tegra: Fix Tegra234 VDK node names
arm64: tegra: Wrong AON HSP reg property size
arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
arm64: tegra: Correct the UART for Jetson Xavier NX
arm64: tegra: Disable the ACONNECT for Jetson TX2
Link: https://lore.kernel.org/r/20201125170306.1095734-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC
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Merge tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx into arm/fixes
arm64: soc: ZynqMP SoC fixes for v5.10-rc6
- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC
* tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx: (337 commits)
firmware: xilinx: Use hash-table for api feature check
firmware: xilinx: Fix SD DLL node reset issue
Linux 5.10-rc4
kvm: mmu: fix is_tdp_mmu_check when the TDP MMU is not in use
afs: Fix afs_write_end() when called with copied == 0 [ver #3]
ocfs2: initialize ip_next_orphan
panic: don't dump stack twice on warn
hugetlbfs: fix anon huge page migration race
mm: memcontrol: fix missing wakeup polling thread
kernel/watchdog: fix watchdog_allowed_mask not used warning
reboot: fix overflow parsing reboot cpu number
Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
compiler.h: fix barrier_data() on clang
mm/gup: use unpin_user_pages() in __gup_longterm_locked()
mm/slub: fix panic in slab_alloc_node()
mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov
mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit
mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate
mm/compaction: count pages and stop correctly during page isolation
drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
...
Link: https://lore.kernel.org/r/fd5ab967-f3cf-95fb-7947-5477ff85f97e@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Use GIC_SPI rather than 0 in the specifiers for the two ARM GIC
interrupts used by IPA.
Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20201126015457.6557-4-elder@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Use GIC_SPI rather than 0 in the specifiers for the two ARM GIC
interrupts used by IPA.
Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20201126015457.6557-3-elder@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Recently we learned that Android and Windows firmware don't seem to
like using 3 as an iommu mask value for IPA. A simple fix was to
specify exactly the streams needed explicitly, rather than implying
a range with the mask. Make the same change for the SC7180 platform.
See also:
https://lore.kernel.org/linux-arm-msm/20201123052305.157686-1-bjorn.andersson@linaro.org/
Fixes: d82fade846aa8 ("arm64: dts: qcom: sc7180: add IPA information")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20201126015457.6557-2-elder@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
As per the HDA binding doc reorder {clock,reset}-names entries for
Tegra194. This also serves as a preparation for converting existing
binding doc to json-schema.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra AHCI dt-binding doc is converted from text based to yaml based.
dtbs_check valdiation strictly follows reset-names order specified
in yaml dt-binding.
Tegra124 thru Tegra210 has 3 resets sata, sata-oob and sata-cold.
Tegra186 has 2 resets sata and sata-cold.
This patch changes order of SATA resets to maintain proper resets
order for commonly available resets across Tegra124 thru Tegra186
for dtbs_check to pass.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit adds "interrupts" property to Tegra210/Tegra186/Tegra194
XUSB PADCTL node. XUSB PADCTL interrupt will be raised when USB wake
event happens. This is required for supporting XUSB host controller
ELPG.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The trogdor design has two options for supplying the 'pp3300_hub' power
rail, it can be supplied by 'pp3300_l7c' or 'pp3300_a'. The 'pp3300_a'
path includes a load switch that can be controlled through GPIO84.
Initially trogdor boards used 'pp3300_l7c' to power the USB hub, newer
revisions (will) use 'pp3300_a' as supply for 'pp3300_hub'.
Add a DT node for the 'pp3300_a' path and a pinctrl entry for the GPIO.
Make this path the default and keep trogdor rev1, lazor rev0 and rev1
on 'pp3300_l7c'. These earlier revisions also allocated the GPIO to the
purpose of controlling the power switch, so there is no need to limit
the pinctrl config to newer revisions. Remove the platform-wide
'always/boot-on' properties from 'pp3300_l7c' and add them to the
boards that use this supply. Also delete the 'always/boot-on'
properties of 'pp3300_hub' for these boards.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20201124164714.v4.1.I0ed4abdd2b2916fbedf76be254bc3457fb8b9655@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add ARCH_BCM4908 config that can be used for compiling DTS files.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
They don't descibe hardware fully yet but it's enough to boot a system.
Some missing blocks:
1. PMC (Power Management Controller?)
2. Ethernet
3. Crypto
4. Thermal
Asus DTS is missing defining full NAND partitions layout and buttons.
Further changes will fill those gaps as soon as required bindings will
be found / tested / added.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
With the recent feature added to enable perf events to use pseudo NMIs
as interrupts on platforms which support GICv3 or later, its now been
possible to enable hard lockup detector (or NMI watchdog) on arm64
platforms. So enable corresponding support.
One thing to note here is that normally lockup detector is initialized
just after the early initcalls but PMU on arm64 comes up much later as
device_initcall(). So we need to re-initialize lockup detection once
PMU has been initialized.
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Acked-by: Alexandru Elisei <alexandru.elisei@arm.com>
Link: https://lore.kernel.org/r/1602060704-10921-1-git-send-email-sumit.garg@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>
DMA device nodes should follow regex pattern of "^dma-controller(@.*)?$".
This is a preparatory patch to use YAML doc format for ADMA.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
For some reason this was never hooked up. Do it now so that over-current
interrupts can be logged.
Reported-by: Nicolas Chauvet <kwizart@gmail.com>
Suggested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
According to dmesg, thermal-zones for mem and cpu are missing hot
temperatures properties.
throttrip: pll: missing hot temperature
...
throttrip: mem: missing hot temperature
...
Adding them will clear the messages.
Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
On Jetson TX1 the following message can be seen:
tegra_soctherm 700e2000.thermal-sensor: throttle-cfg: heavy: no throt prop or invalid prop
This patch will fix the invalid prop issue according to the binding.
Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
According to dmesg, thermal-zones for mem and cpu are missing hot
temperatures properties.
throttrip: pll: missing hot temperature
...
throttrip: mem: missing hot temperature
...
Adding them will clear the messages.
Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Fix the device-tree entry that represents I/O High Voltage property
by replacing 'nvidia,io-high-voltage' with 'nvidia,io-hv' as the former
entry is deprecated.
Fixes: dbb72e2c305b ("arm64: tegra: Add configuration for PCIe C5 sideband signals")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
GIC400 has full support for virtualization, and yet the tegra186
DT doesn't expose the GICH/GICV regions (despite exposing the
maintenance interrupt that only makes sense for virtualization).
Add the missing regions, based on the hunch that the HW doesn't
use the CPU build-in interfaces, but instead the external ones
provided by the GIC. KVM's virtual GIC now works with this change.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the description of CPU PMUs for both the Denver and A57 clusters,
which enables the perf subsystem.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
When the device-tree board file was added for the Tegra234 VDK simulator
it incorrectly used the names 'cbb' and 'sdhci' instead of 'bus' and
'mmc', respectively. The names 'bus' and 'mmc' are required by the
device-tree json-schema validation tools. Therefore, fix this by
renaming these nodes accordingly.
Fixes: 639448912ba1 ("arm64: tegra: Initial Tegra234 VDK support")
Reported-by: Ashish Singhal <ashishsingha@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The AON HSP node's "reg" property size 0xa0000 will overlap with other
resources. This patch fixes that wrong value with correct size 0x90000.
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Fixes: a38570c22e9d ("arm64: tegra: Add nodes for TCU on Tegra194")
Signed-off-by: Thierry Reding <treding@nvidia.com>
USB host mode is broken on the OTG port of Jetson TX1 platform because
the USB_VBUS_EN0 regulator (regulator@11) is being overwritten by the
vdd-cam-1v2 regulator. This commit rearranges USB_VBUS_EN0 to be
regulator@14.
Fixes: 257c8047be44 ("arm64: tegra: jetson-tx1: Add camera supplies")
Cc: stable@vger.kernel.org
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Jetson Xavier NX board routes UARTA to the 40-pin header and UARTC
to a 12-pin debug header. The UARTs can be used by either the Tegra
Combined UART (TCU) driver or the Tegra 8250 driver. By default, the
TCU will use UARTC on Jetson Xavier NX. Currently, device-tree for
Xavier NX enables the TCU and the Tegra 8250 node for UARTC. Fix this
by disabling the Tegra 8250 node for UARTC and enabling the Tegra 8250
node for UARTA.
Fixes: 3f9efbbe57bc ("arm64: tegra: Add support for Jetson Xavier NX")
Cc: stable@vger.kernel.org
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Commit ff4c371d2bc0 ("arm64: defconfig: Build ADMA and ACONNECT driver")
enable the Tegra ADMA and ACONNECT drivers and this is causing resume
from system suspend to fail on Jetson TX2. Resume is failing because the
ACONNECT driver is being resumed before the BPMP driver, and the ACONNECT
driver is attempting to power on a power-domain that is provided by the
BPMP. While a proper fix for the resume sequencing problem is identified,
disable the ACONNECT for Jetson TX2 temporarily to avoid breaking system
suspend.
Please note that ACONNECT driver is used by the Audio Processing Engine
(APE) on Tegra, but because there is no mainline support for APE on
Jetson TX2 currently, disabling the ACONNECT does not disable any useful
feature at the moment.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
DT schema is checking tuples which should be properly separated. The patch
is doing this separation to avoid the following warning:
..yaml: axi: pcie@fd0e0000:ranges: [[33554432, 0, 3758096384, 0,
3758096384, 0, 268435456, 1124073472, 6, 0, 6, 0, 2, 0]] is not valid under
any of the given schemas (Possible causes of the failure):
...dt.yaml: axi: pcie@fd0e0000:ranges: True was expected
...dt.yaml: axi: pcie@fd0e0000:ranges:0: [33554432, 0, 3758096384, 0,
3758096384, 0, 268435456, 1124073472, 6, 0, 6, 0, 2, 0] is too long
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/f59a63d8cb941592de6d2dee8afa6f120b2e40c8.1601379794.git.michal.simek@xilinx.com
The reason for this change is that after change from amba to axi U-Boot
started to show error like:
Unable to update property /axi/ethernet@ff0e0000:mac-address, err=FDT_ERR_NOTFOUND
Unable to update property /axi/ethernet@ff0e0000:local-mac-address, err=FDT_ERR_NOTFOUND
The reason is implementation in fdt_nodename_eq_() which is taken from dtc
to the kernel and to the U-Boot. Especially DTC commit d2a9da045897 ("libfdt:
Make unit address optional for finding nodes") which is in DTC from 2007.
The part of commit description is
" This is contrary to traditional OF-like finddevice() behaviour, which
allows the unit address to be omitted (which is useful when the device
name is unambiguous without the address)."
The kernel commit dfff9066e60e ("arm64: dts: zynqmp: Rename buses to be
align with simple-bus yaml") changed amba-apu/amba to axi@0/axi but
fdt_nodename_eq_() detects /axi/ as match for /axi@0/ because of commit
above.
That's why it easier to fix one DT inside the kernel by moving GIC node
from own bus to generic axi bus as is done by others SoCs. This will avoid
incorrect match because the unit address is omitted.
Reported-by: Paul Thomas <pthomas8589@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/f767fe007e446a2299fda9905e75b723c650a424.1605021644.git.michal.simek@xilinx.com
The PON block in the PMIC provides, among other things, support for
"reboot reason", power key and reset "key" handling. Let's enable the
driver for this block.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201125023831.99774-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
