As recommended by Arm in [1], ACTLR[0] (Enable invalidates of BTB)
needs to be set[2] for BTB to be invalidated on ICIALLU. This needs to
be done unconditionally for Cortex-A15 processors. Provide a config
option for platforms to enable this option based on impact analysis
for products.
NOTE: This patch in itself is NOT the final solution, this requires:
a) Implementation of v7_arch_cp15_set_acr on SoCs which may not
provide direct access to ACR register.
b) Operating Systems such as Linux to provide adequate workaround in the
right locations.
c) This workaround applies to only the boot processor. It is important
to apply workaround as necessary (context-save-restore) around low
power context loss OR additional processors as necessary in either
firmware support OR elsewhere in OS.
[1] https://developer.arm.com/support/security-update
[2] http://infocenter.arm.com/help/topic/com.arm.doc.ddi0438c/BABGHIBG.html
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Andre Przywara <Andre.Przywara@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
As recommended by Arm in [1], IBE[2] has to be enabled unconditionally
for BPIALL to be functional on Cortex-A8 processors. Provide a config
option for platforms to enable this option based on impact analysis
for products.
NOTE: This patch in itself is NOT the final solution, this requires:
a) Implementation of v7_arch_cp15_set_acr on SoCs which may not
provide direct access to ACR register.
b) Operating Systems such as Linux to provide adequate workaround in the right
locations.
c) This workaround applies to only the boot processor. It is important
to apply workaround as necessary (context-save-restore) around low
power context loss OR additional processors as necessary in either
firmware support OR elsewhere in OS.
[1] https://developer.arm.com/support/security-update
[2] http://infocenter.arm.com/help/topic/com.arm.doc.ddi0344k/Bgbffjhh.html
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Andre Przywara <Andre.Przywara@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Masking clock gate, reset register bits based on the
probed controller is proper only due to the assumption
that masking should start with 0 even thought the controller
has separate PHY or shared between OTG.
unfortunately these are fixed due to lack of separate
clock, reset drivers.
Say for example EHCI1 - EHCI3 in the datasheet (EHCI0 is for the OTG)
so we need to start reg_mask 0 - 2.
This patch calculated the mask, based on the register base
so that we can get the proper bits to set with respect to
probed controller.
We even do this masking by using PHY index specifier from dt,
but dev_read_addr_size is failing for 64-bit boards.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This patch update the USB PHY index for Allwinner H3.
Same change[1] initially sent, by 'Chen-Yu Tai' but missed
to apply due to recursive version changes on the same series.
[1] https://lists.denx.de/pipermail/u-boot/2018-January/318817.html
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
fdt_file is looking for imx6ul-geam-kit.dtb but Linux
has imx6ul-geam.dtb, since Linux skipped -kit on file name
by below commit.
"ARM: dts: imx6ul-geam: Skip suffix -kit from dts name"
(sha1: 182de5ebce71e469cfa686fcdf08c9cbe11ece97)
So, due to this mismatch U-Boot failed to pick the
proper dtb which eventually break the Linux boot.
This patch fixed this mismatch by
- renaming dts files
- update config option to use new dtb file
- update fdt_file to new dtb file name
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Now that the clock-frequency information has been moved to the
driver, more DT sync is possible.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Use the clk framework to initialize clocks from drivers that need them
instead of having hardcoded frequencies and initializations from board
code.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Introduce a basic clock driver for Amlogic Meson SoCs which supports
enabling/disabling clock gates and getting their frequency.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
cpu_cmd() is reading cpu number via simple_strtoul() which is always
unsigned type.
Platform code implementations are not expecting that nr can be negative
and there is not checking in the code for that too.
This patch is using u32 type for cpu number to make sure that platform
code get proper value range.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add option to the booti_setup() which indicates to it that the caller
requires the image to be relocated to the beginning of the RAM and
that the information whether the image can be located anywhere in RAM
at 2 MiB aligned boundary or not is to be ignored. This is useful ie.
in case the Image is wrapped in another envelope, ie. fitImage and not
relocating it but moving it would corrupt the envelope.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bin Chen <bin.chen@linaro.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-By: Bin Chen <bin.chen@linaro.org>
Add regulator nodes and pinmux settings to the SDHI3 on E3 Ebisu
and enable HS200 mode on it.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Both the RAVB and SH ether driver now support parsing the PHY reset
GPIOs from both the PHY nodes and the MAC nodes, move the reset GPIOs
back into the PHY nodes to minimize DT difference between U-Boot and
Linux.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
The current state of RAVB driver expects the PHY reset GPIO in the
RAVB mode, move it back from the PHY node to avoid breakage.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
When CMD_GPIO is enabled the command 'gpio status -a' can cause
a hang or reboot if GPIO banks are not enabled, because it scans
all banks. This patch enables all GPIO banks so 'gpio status -a'
can fully execute.
Signed-off-by: Adam Ford <aford173@gmail.com>
When an exception or interrupt occurs the link register (LR) may
contain the source of the exception, although we do not print the
value it may still be extracted with a debugger. When in SPL we
loop on getting and exception, but use a linking branch, which
over-writes the LR value, use a regular branch instruction here.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Follow Linux commit 10b62a2f785a (".gitignore: move *.dtb and *.dtb.S
patterns to the top-level .gitignore").
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This patch prevents from the situation where we may end up with garbage
displayed on the LCD panel.
Such situation occurs when one performs "reboot -f" in Linux and then
stop in U-boot (or observe the garbage on the screen during boot up).
To prevent from such situation - the PWM pin is configured as GPIO and set
to LOW.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
If many values differ from the defaults, overriding the full table
is simpler and more space efficient than tweaking it through
mxs_adjust_memory_params().
Signed-off-by: Mans Rullgard <mans@mansr.com>
According to the Cortex-A7 TRM, for ACTLR.SMP bit "You must ensure this bit
is set to 1 before the caches and MMU are enabled, or any cache and TLB
maintenance operations are performed".
ROM sets this bit in normal boot flow, but when in serial download mode,
it is not set.
Here we add it in u-boot as a common flow for all i.MX cortex-a7 platforms,
including mx7d, mx6ul/ull and mx7ulp.
Signed-off-by: Ye Li <ye.li@nxp.com>
[fabio: adapted to U-Boot mainline codebase and make checkpatch happy]
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Orange Pi Zero Plus is an open-source single-board computer
using the Allwinner H5 SOC.
H5 Orangepi Zero Plus has
- Quad-core Cortex-A53
- 512MB DDR3
- micrSD slot
- 16MBit SPI Nor flash
- Debug TTL UART
- 1GBit/s Ethernet (RTL8211E)
- Wifi (RTL8189FTV)
- USB 2.0 Host
- USB 2.0 OTG + power supply
The device tree file is copied from the Linux kernel 4.17.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Orange Pi R1 is an open-source single-board computer using the
Allwinner H2+ SOC.
H2+ Orange Pi R1 has
- Quad-core Cortex-A7
- 256MB DDR3
- micrSD slot
- 128MBit SPI Nor flash
- Debug TTL UART
- 100MBit/s Ethernet (H2+)
- 100MBit/s Ethernet (RTL8152B)
- Wifi (RTL8189ETV)
- USB 2.0 OTG + power supply
This board is very similar to the Orange Pi Zero.
The device tree file is copied from the Linux kernel 4.17.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Add EtherAVB PHY reset on V3M Eagle to let the AVB driver unreset the PHY.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Add EtherAVB pinmux node on V3M Eagle to set the pinmux configuration.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Add device tree nodes for the Renesas RPC HF/QSPI controller
to R8A77990 E3.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
There should be return value check from zynqmp_mmio_read() in
zynqmp_mmio_rawwrite() to make sure that errors are propagated properly.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
dtc is showing some warnings and this change was also done in
the Linux kernel as "Input: gpio-keys - clean up device tree binding
example"
with this fragment in commit message
"Drop #address-cells and #size-cells, which are not required by the
gpio-keys binding documentation, as button sub-nodes are not devices."
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch splits the current mini emmc configuration into emmc0
and emmc1 configurations because emmc is probed at boot time and on
systems which have only one interface mini configuration is failing on
unused interface. This patch also adds required clock node in dts and
enables CONFIG_MMC_SDHCI_ZYNQ through defconfig.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
We currently handle the UEFI runtime reset / power off case handling via
a switch statement. Compilers (gcc in my case) may opt to handle these via
jump tables which they may conveniently put into .rodata which is not part
of the runtime section, so it will be unreachable when executed.
Fix this by just converting the switch statement into an if/else statement.
It produces smaller code that is faster and also correct because we no
longer refer .rodata from efi runtime code.
Reported-by: Andreas Färber <aferber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Synchronize the Linux Device Tree for Amlogic Meson GX boards from Linux 4.17.0
This will enable USB on Amlogic Meson GXL Boards like Khadas VIM, P212 or
LibreTech-CC.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
