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ARMv7 and Cortex-A32(ARMv8/aarch32) uses "arm-linux-gnueabi" toolchain which
has both soft-float and hard-float variants and so there could be scenarios
where soft-float toolchain is used.Even though TF-A documentation recommends
to use hard-float toolchain for aarch32 but there are external projects where
we cannot mandate the selection of toolchain and for those projects at least
the build should not fail.

Current TF-A source fails to build with soft-float toolchain because assembler
does not recognizes "vmsr" instruction which is required to enable floating
point unit.

To avoid this piece of code being compiled with soft-float toolchain add
predefined macro guard " __SOFTFP__" exposed by soft-float toolchain.

Change-Id: I76ba40906a8d622dcd476dd36ab4d277a925996c
Signed-off-by: Manish Pandey <manish.pandey2@arm.com>

Remove deprecated interfaces

Now it is needed to use the full path of the common header files.

Commit 09d40e0e

 ("Sanitise includes across codebase") provides more
information.

Change-Id: Ifedc79d9f664d208ba565f5736612a3edd94c647
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

Change-Id: I14fcabbdfd53153d1d5f187f6f8b23a045794408
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

Types tzc_action_t and tzc_region_attributes_t are deprecated.

Change-Id: Ieefeb8521a0e1130f39d09b5c0d2728f05084773
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

The old version of the macro is deprecated.

Commit cc5859ca

 ("Multi-console: Deprecate the
`finish_console_register` macro") provides more details.

Change-Id: I3d1cdf6496db7d8e6cfbb5804f508ff46ae7e67e
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

The default implementations are defined in crash_console_helpers.S. The
platforms have to define plat_crash_console_*.

Implemented placeholders for platforms that were missing helpers.

Change-Id: Iea60b6f851956916e421dfd8c34a62d96eb9148e
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

rcar_gen3: plat: Add R-Car V3M support

SPM: Some improvements to xlat handling code

doc: Update contribution guidelines

Add support for Amlogic s905x (GXL)

Rather than using a fixed virtual address space size, read all regions
in the resource description of each partition and restrict the virtual
address space size to the one the partition actually needs.

This also allows SPM to take advantage of the extension ARMv8.4-TTST if
the virtual address space size is small enough.

Change-Id: I8646aa95e659136b58b44b040364cdee631f7e82
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Right now the virtual address space is fixed to
PLAT_VIRT_ADDR_SPACE_SIZE, so all base translation tables are the same
size and need the same alignment. The current code allocates the exact
space needed by this initial table.

However, a following patch is going to allow each partition to choose
the size of its address space based on the memory regions defined in
their resource description, so it isn't possible to determine this at
build time. As this optimization no longer applies, it has to be
removed.

Change-Id: Ia8d19f4981e1017e4ffe0ba136de73d701044cb0
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

This gives each Secure Partition complete freedom on its address space.
Previously, the memory used by the exception vectors was reserved and
couldn't be used. Also, it always had to be mapped, forcing SPM to
generate translation tables that included the exception vectors as well
as the Partition memory regions. With this change, partitions can reduce
their address space size easily.

Change-Id: I67fb5e9bdf2870b73347f23bff702fab0a8f8711
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Update the documentation for trustedfirmware.org migration

Change-Id: Ibb7052b0becbec3326164f1503806ca2c2fd4dcc
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>

Also adds a maintainer for GXL.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>

GXL platforms need to have a specific header at the beginning of bl31
image to be able to boot. This adds a tool to create that and calls it at
build time.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>

On Amlogic gxl (s905x) SOC, in order to use SCP, bl31 has to send bl30
and bl301 firmware along with their SHA256 hash over scpi.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>

In order to configure and boot SCP, BL31 has to compute and send
the SHA-256 of the firmware data via scpi. Luckily Amlogic GXL SOC
has a DMA facility that could be used to offload SHA-256
computations. This adds basic support of this hardware SHA-256
engine.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>

The Amlogic Meson S905x is a SoC with a quad core Arm Cortex-A53 running
at 1.5Ghz. It also contains a Cortex-M3 used as SCP.

This port is a minimal implementation of BL31 capable of booting
mainline U-Boot and Linux:

- Partial SCPI support.
- Basic PSCI support (CPU_ON, SYSTEM_RESET, SYSTEM_OFF).
- GICv2 driver set up.
- Basic SIP services (read efuse data, enable/disable JTAG).

This port has been tested on a lepotato.
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Signed-off-by: Remi Pommarel <repk@triplefau.lt>

Instead of letting the code run until another error is reached, return
early.

Change-Id: I6277a8c65101d3e39b0540099c2a3063584a7dbd
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Add R-Car V3M support. This is based on the original
V3M support patch for Yocto v2.23.1 by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
---
Marek: Update on top of mainline ATF/master

Arm/master/d3draak v2.0.1

Add QoS tables for R-Car D3 SoC.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add PFC tables for R-Car D3 SoC.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add R-Car D3 DDR initialization code. The code is in staging and needs
cleanup, and possibly can even be merged with the E3 init code.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add WTCNT register configuration for the D3 SoC.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add SCIF configuration specifics for the D3 SoC, that is detection
of the D3 SoC and SCBRR configuration.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

The D3 SoC has one CPU core, just return 1 as a CPU number.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add comment into the ROM driver that the new table is also D3 compatible.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Add R-Car D3 SoC platform specifics. Driver, PFC, QoS, DDR init code
will be added separately.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Print the DRAM bank size in MiB instead of GiB in case the bank size
is smaller than 1 GiB. This prevents printing zeroes on systems with
small DRAM sizes.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Fix extra compilation warnings

rcar_gen3: plat: Set M3W ULCB DRAM size to 2 GiB

intel: Enable watchdog timer on Intel S10 platform

Change function signatures and fix sign-compare warnings.

Change-Id: Iaf755d61e6c54c3dcf4f41aa3c27ea0f6e665fee
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

Fix variable shadowing warnings and prevent code duplication.

Change-Id: Idb29cc95d6b6943bc012d7bd430afa0e4a7cbf8c
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

Improved support for W=2 compilation flag by solving some nested-extern
and sign-compare warnings.

The libraries are compiling with warnings (which turn into errors with
the Werror flag).

Outside of libraries, some warnings cannot be fixed.

Change-Id: I06b1923857f2a6a50e93d62d0274915b268cef05
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

Improved support for W=1 compilation flag by solving missing-prototypes
and old-style-definition warnings.

The libraries are compiling with warnings (which turn into errors with
the Werror flag).

Outside of libraries, some warnings cannot be fixed without heavy
structural changes.

Change-Id: I1668cf99123ac4195c2a6a1d48945f7a64c67f16
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>

doc: Suggest to use the latest version of GCC 8.2