| Commit message (Collapse) | Author | Age | Files | Lines |
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This option allows the Trusted Firmware to directly jump to Linux
kernel for aarch32 without the need of an intermediate loader such
as U-Boot.
Similar to AArch64 ARM_LINUX_KERNEL_AS_BL33 only available with
RESET_TO_SP_MIN=1 as well as BL33 and DTB are preloaded in memory.
Change-Id: I908bc1633696be1caad0ce2f099c34215c8e0633
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
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plat: juno: fix build for !CSS_USE_SCMI_DRIVER
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When CSS_USE_SCMI_DRIVER is not defined or set to 0, we get the
following build error.
plat/arm/board/juno/juno_topology.c:16:19: error: ‘CSS_SCMI_PAYLOAD_BASE’ undeclared here (not in a function)
.scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
^~~~~~~~~~~~~~~~~~~~~
plat/arm/board/juno/juno_topology.c:17:38: error: ‘CSS_SCMI_MHU_DB_REG_OFF’ undeclared here (not in a function)
.db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF,
^~~~~~~~~~~~~~~~~~~~~~~
CSS_CPU_PWR_STATE_OFF
Fix the error in order to get function legacy SCPI support functional.
Change-Id: I00cb80db9968aa0be546e33a3a682a2db87719be
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Several MISRA defect fixes
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Change-Id: I600bc13522ae977db355b6dc5a1695bce39ec130
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
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Change-Id: Iae6758ca6395560131d1e1a69a1ecfe50ca8bf83
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
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Change-Id: I33eaee8e7c983b3042635a448cb8d689ea4e3a12
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
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The macro EL_IMPLEMENTED() has been deprecated in favour of the new
function el_implemented().
Change-Id: Ic9b1b81480b5e019b50a050e8c1a199991bf0ca9
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
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ti: k3: common: Remove use of ARM platform code
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A recent patch[0] has made setting up page tables into generic
code, complete the conversion for TI platforms by removing the
use of plat_arm_get_mmap() and using the mmap table directly.
[0] 0916c38deca4 ("Convert arm_setup_page_tables into a generic helper")
Signed-off-by: Andrew F. Davis <afd@ti.com>
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libfdt: Downgrade to version 1.4.6-9
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Version 1.4.7 introduces a big performance hit to functions that access
the FDT. Downgrade the library to version 1.4.6-9, before the changes
that introduce the problem. Version 1.4.6 isn't used because one of the
libfdt files (fdt_overlay.c) is missing the license header. This
problem is also fixed in 1.4.6-9.
This version corresponds to commit <aadd0b65c987> checks: centralize
printing of property names in failure messages.
Fixes ARM-software/tf-issues#643
Change-Id: I73c05f2b1f994bcdcc4366131ce0647553cdcfb8
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
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uniphier: clean-up and improve SCP handling code
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When the SoC issues a command IRQ to SCP, SCP sets STMTOBEIRQ as ACK.
The SoC must wait for it before issuing the next command.
This commit makes sure to meet the requirement.
Signed-off-by: Dai Okamura <okamura.dai@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Skipping SCP_BL2 image is just a temporary workaround. If on-chip SCP
needs to work, BL2 should load the SCP_BL2 image.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Add support for Armada 3700 and COMPHY porting layer
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Add supprot for Marvell platforms based on Armada-37xx SoC.
This includes support for the official Armada-3720 modular
development board and EspressoBin community board.
The Armada-37xx SoC contains dual Cortex-A53 Application CPU,
single secure CPU (Cortex-M3) and the following interfaces:
- SATA 3.0
- USB 3.0 and USB 2.0
- PCIe
- SDIO (supports boot from eMMC)
- SPI
- UART
- I2c
- Gigabit Ethernet
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Introduce driver for Marvell Armada-37xx UART console
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Add support for Marvell Armada-3700 COMPHY driver
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Move doimage utility from toos/doimage to tools/marvell/doimage.
This is done for supporting mode Marvell tools in the future.
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Some of COMPHY parameters depends on the hw connection between the SoC
and the PHY, which can vary on different boards e.g. due to different
wires length. Define the "porting layer" with some defaults
parameters. It ease updating static values which needs to be updated due
to board differences, which are now grouped in one place.
Example porting layer for a8k-db is under:
plat/marvell/a8k/a80x0/board/phy-porting-layer.h
If for some boards parameters are not defined (missing
phy-porting-layer.h), the default values are used
(drivers/marvell/comphy/phy-default-porting-layer.h)
and the following compilation warning is show:
"Using default comphy params - you may need to suit them to your board".
The common COMPHY driver code is extracted in order to be shared with
future COMPHY driver for A3700 SoC platforms
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Igal Liberman <igall@marvell.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Fix the include protector to be in sync with file name
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Add 16-bit variant of mmio_clrsetbits function
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
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Sgiclark ares support
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SGI-Clark.Ares platform is a variant of the SGI-Clark platform. It has
two clusters of four Ares CPUs each. Though very similar to the SGI575
platform, there are subtle differences. HW_CONFIG and TB_FW_CONFIG dts
files have been added.
Change-Id: I740a33cbd1c3b1f1984cb56243b46ad379bab3e6
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
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SGI-Clark platform is the next version in the Arm's SGI platform
series. One of the primary difference between the SGI-575 platform and
the SGI-Clark platform is the MHU version (MHUv2 in case of SGI-Clark).
Add the required base support for SGI-Clark platform.
Change-Id: If396e5279fdf801d586662dad0b55195e81371e4
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
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Some of the SGx platforms use System Identification (SID) registers
for platform identification. Add support for these registers in css.
Change-Id: If00b18744a31ff2cf14338f18c8c680eb69c9027
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
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On SGI platforms that include Ares CPUs, the 'CORE_PWRDN_EN' bit of
'CPUPWRCTLR_EL1' register requires an explicit write to clear it to
enable hotplug and idle to function correctly.
The reset value of the CORE_PWRDN_EN bit is zero but it still requires
this explicit clear to zero. This indicates that this could be a model
related issue but for now this issue can be fixed be clearing the
CORE_PWRDN_EN bit in the platform specific reset handler function.
Change-Id: I8b9884ae27a2986d789bfec2e9ae792ef930944e
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
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plat/arm: Introduce the N1SDP.
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This patch adds support for the N1SDP (NeoVerse N1 System Development
Platform). It is an initial port and additional features are expected
to be added later.
The port includes only BL31 support as the System Control Processor
(SCP) is expected to take the role of primary boatloader
Change-Id: Ife17d8215a7bfcc1420204a72205e7ef920d0c10
Signed-off-by: Deepak Pandey <Deepak.Pandey@arm.com>
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sdei: include "context.h" to fix compilation errors
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This patch includes context.h from sdei_private.h to fix the
following compilation errors:
<snip>
In file included from services/std_svc/sdei/sdei_event.c:9:0:
services/std_svc/sdei/sdei_private.h: In function 'sdei_client_el':
services/std_svc/sdei/sdei_private.h:164:2: error: unknown type name 'cpu_context_t'
cpu_context_t *ns_ctx = cm_get_context(NON_SECURE);
^
services/std_svc/sdei/sdei_private.h:165:2: error: unknown type name 'el3_state_t'
el3_state_t *el3_ctx = get_el3state_ctx(ns_ctx);
^
services/std_svc/sdei/sdei_private.h:165:2: error: implicit declaration of function 'get_el3state_ctx' [-Werror=implicit-function-declaration]
services/std_svc/sdei/sdei_private.h:165:25: error: initialization makes pointer from integer without a cast [-Werror]
el3_state_t *el3_ctx = get_el3state_ctx(ns_ctx);
^
services/std_svc/sdei/sdei_private.h:167:2: error: implicit declaration of function 'read_ctx_reg' [-Werror=implicit-function-declaration]
return ((read_ctx_reg(el3_ctx, CTX_SCR_EL3) & SCR_HCE_BIT) != 0U) ?
^
services/std_svc/sdei/sdei_private.h:167:33: error: 'CTX_SCR_EL3' undeclared (first use in this function)
return ((read_ctx_reg(el3_ctx, CTX_SCR_EL3) & SCR_HCE_BIT) != 0U) ?
^
services/std_svc/sdei/sdei_private.h:167:33: note: each undeclared identifier is reported only once for each function it appears in
cc1: all warnings being treated as errors
<snip>
Change-Id: Id0cad56accf81b19cb0d301784f3f086dd052722
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
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Allwinner/pmic v2
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PSCI requires a core to turn itself off, which we can't do properly by
just executing an algorithm on that very core. As a consequence we just
put a core into WFI on CPU_OFF right now.
To fix this let's task the "arisc" management processor (an OpenRISC
core) with that task of asserting reset and turning off the core's power
domain. We use a handcrafted sequence of OpenRISC instructions to
achieve this, and hand this data over to the new sunxi_execute_arisc_code()
routine.
The commented source code for this routine is provided in a separate file,
but the ATF code contains the already encoded instructions as data.
The H6 uses the same algorithm, but differs in the MMIO addresses, so
provide a SoC (family) specific copy of that code.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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The more recent Allwinner SoCs contain an OpenRISC management
controller (called arisc or CPUS), which shares the bus with the ARM cores,
but runs on a separate power domain. This is meant to handle power
management with the ARM cores off.
There are efforts to run sophisticated firmware on that core
(communicating via SCPI with the ARM world), but for now can use it for
the rather simple task of helping to turn the ARM cores off. As this
cannot be done by ARM code itself (because execution stops at the
first of the three required steps), we can offload some instructions to
this management processor.
This introduces a helper function to hand over a bunch of instructions
and triggers execution. We introduce a bakery lock to avoid two cores
trying to use that (single) arisc core. The arisc code is expected to
put itself into reset after is has finished execution.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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There are reports that activating the DC1SW before certain other
regulators leads to the PMIC overheating and consequently shutting down.
To avoid this situation, delay the activation of the DC1SW line until
the very end, so those other lines are always activated earlier.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Based on the just introduced PMIC FDT framework, we check the DT for more
voltage rails that need to be setup early:
- DCDC1 is typically the main board power rail, used for I/O pins, for
instance. The PMIC's default is 3.0V, but 3.3V is what most boards use,
so this needs to be adjusted as soon as possible.
- DCDC5 is supposed to be connected to the DRAM. The AXP has some
configurable reset voltage, but some boards get that wrong, so we better
set up this here to avoid over- or under-volting.
- DLDO1,2,3 and FLDO1 mostly drive some graphics related IP, some boards
need this to be up to enable HDMI or the LCD screen, so we get screen
output in U-Boot.
To get the right setup, but still being flexible, we query the DT for
the required voltage and whether that regulator is actually used. That
gives us some robust default setup U-Boot is happy with.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Now that we have a pointer to the device tree blob, let's use that to
do some initial setup of the PMIC:
- We scan the DT for the compatible string to find the PMIC node.
- We switch the N_VBUSEN pin if the DT property tells us so.
- We scan over all regulator subnodes, and switch DC1SW if there is at
least one other node referencing it (judging by the existence of a
phandle property in that subnode).
This is just the first part of the setup, a follow up patch will setup
voltages.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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For Allwinner boards we now use some heuritistics to find a preloaded
.dtb file.
Pass this address on to the PMIC setup routine, so that it can use the
information contained therein to setup some initial power rails.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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The initial PMIC setup for the Allwinner platform is quite board
specific, and used to be guarded by reading the .dtb stub *name* from the
SPL image in the legacy ATF port. This doesn't scale particularly well,
and requires constant maintainance.
Instead having the actual .dtb available would be much better, as the PMIC
setup requirements could be read from there directly.
The only available BL33 for Allwinner platforms so far is U-Boot, and
fortunately U-Boot comes with the full featured .dtb, appended to the
end of the U-Boot image.
Introduce some code that scans the beginning of the BL33 image to look
for the load address, which is followed by the image size. Adding those
two values together gives us the end of the image and thus the .dtb
address. Verify that this heuristic is valid by sanitising some values
and checking the DTB magic.
Print out the DTB address and the model name, if specified in the root
node.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Boards with the Allwinner A64 SoC are mostly paired with an AXP803 PMIC,
which allows to programmatically power down the board.
Use the newly introduced RSB driver to detect and program the PMIC on
boot, then later to turn off the main voltage rails when receiving a
PSCI SYSTEM_POWER_OFF command.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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In the H6 platform code there is a routine to do the platform
initialisation of the R_I2C controller. We will need a very similar
setup routine to initialise the RSB controller on the A64.
Move this code to sunxi_common.c and generalise it to support all SoCs
and also to cover the related RSB bus.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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The "Reduced Serial Bus" is an Allwinner specific bus, bearing many
similarities with I2C. It sports a much higher bus frequency, though,
(typically 3 MHz) and requires much less handholding for the typical
task of manipulating slave registers (fire-and-forget).
On most A64 boards this bus is used to connect the PMIC to the SoC.
This driver provides basic primitives to read and write slave registers,
it will be later used by the PMIC code.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Allwinner produces reference board designs, which apparently most board
vendors copy from. So every H5 board I checked uses regulators which are
controlled by the same PortL GPIO pins to power the ARM CPU cores, the
DRAM and the I/O ports.
Add a SoC specific power down routine, which turns those regulators off
when ATF detects running on an H5 SoC and the rich OS triggers a
SYSTEM_POWEROFF PSCI call.
NOTE: It sounds very tempting to turn the CPU power off, but this is not
working as expected, instead the system is rebooting. Most probably this
is due to VCC-SYS also being controlled by the same GPIO line, and
turning this off requires an elaborate and not fully understood setup.
Apparently not even Allwinner reference code is turning this regulator
off. So for now we refrain to pulling down PL8, the power consumption is
quite low anyway, so we are as close to poweroff as reasonably possible.
Many thanks to Samuel for doing some research on that topic.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Many boards without a dedicated PMIC contain simple regulators, which
can be controlled via GPIO pins.
To later allow turning them off easily, introduce a simple function to
configure a given pin as a GPIO out pin and set it to the desired level.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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So far we have a sunxi_private.h header file in the common code directory.
This holds the prototypes of various functions we share in *common*
code. However we will need some of those in the platform specific code
parts as well, and want to introduce new functions shared across the
whole platform port.
So move the sunxi_private.h file into the common/include directory, so
that it becomes visible to all parts of the platform code.
Fix up the existing #includes and add missing ones, also add the
sunxi_read_soc_id() prototype here.
This will be used in follow up patches.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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Some boards don't have a PMIC, so they can't easily turn their power
off. To cover those boards anyway, let's turn off as many devices and
clocks as possible, so that the power consumption is reduced. Then
halt the last core, as before.
This will later be extended with proper PMIC support for supported
boards.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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In the BL31 platform setup we read the Allwinner SoC ID to identify the
chip and print its name.
In addition to that we will need to differentiate the power setup
between the SoCs, to pass on the SoC ID to the PMIC setup routine.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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We will soon make more use of the Allwinner SoC ID, to differentiate the
platform setup.
Introduce definitions to avoid dealing with magic numbers and make the
code more readable.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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The SRAM in the Allwinner H6 SoC starts at 0x2000, with the last part
ending at 0x117fff (although with gaps in between).
So SUNXI_SRAM_SIZE should be 0xf8000, not 0x98000.
Fix this to map the arisc exception vector area, which we will need
shortly.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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