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Non-automated fixes to the converted documentation.

Change-Id: I61f3d37c7a8d6a56a7351048060b970c5b3751e4
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Due to recent issues in the rendering of the documentation on GitHub and
some long-standing issues like the lack of automatic table of content in
Markdown, the documentation has been converted to reStructuredText.
Basic constructs looks pretty similar to Markdown.

Automatically convert GitHub markdown documentation to reStructuredText
using pandoc.

Change-Id: If20b695acedc6d1b49c8d9fb64efd6b6ba23f4a9
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Change some hard-to-convert constructs to cleaner ones.
Fix a broken link.

Change-Id: Ida70aa1da0af7a107b0e05eb20b8d46669a0380b
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Enable integration of ARM TrustZone Cryptocell for TBB

This patch implements the platform APIs plat_get_rotpk_info,
plat_get_nv_ctr, plat_set_nv_ctr to invoke CryptoCell SBROM
APIs when ARM_CRYPTOCELL_INT is set.

Change-Id: I693556b3c7f42eceddd527abbe6111e499f55c45
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch implements the basic lifecycle state check when CryptoCell
SBROM is initialized. Currently the check ensures that if the lifecycle
state is Security Disabled (SD), the boot process does not proceed
further.

Change-Id: I5101335453cd3ea413e97bcfb9138a96c05e1aea
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch makes the necessary changes to enable ARM platform to
successfully integrate CryptoCell during Trusted Board Boot. The
changes are as follows:

* A new build option `ARM_CRYPTOCELL_INTEG` is introduced to select
  the CryptoCell crypto driver for Trusted Board boot.

* The TrustZone filter settings for Non Secure DRAM is modified
  to allow CryptoCell to read this memory. This is required to
  authenticate BL33 which is loaded into the Non Secure DDR.

* The CSS platforms are modified to use coherent stacks in BL1 and BL2
  when CryptoCell crypto is selected. This is because CryptoCell makes
  use of DMA to transfer data and the CryptoCell SBROM library allocates
  buffers on the stack during signature/hash verification.

Change-Id: I1e6f6dcd1899784f1edeabfa2a9f279bbfb90e31
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch adds a crypto driver which utilizes the ARM® TrustZone®
CryptoCell-712 to verify signature and hash during Trusted Board Boot. Along
with this driver, the CryptoCell SBROM library is required to successfully
build the BL image. The path to this library is specified via
the `CCSBROM_LIB_PATH` variable. Please note that, mbedTLS is still required
to do the X509 certificate ASN.1 parsing and CryptoCell is only utilized for
signature and hash verification.

Change-Id: If82dfbae0d7772ba1c64839f0b27850c103fe253
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch adds header files with required declarations and
macro definitions to enable integration with CryptoCell SBROM
version `CC712 – Release 1.0.0.1061`. These headers enable ARM
Trusted Firmware to build and link with CryptoCell SBROM
library.

Change-Id: I501eda7fe1429acb61db8e1cab78cc9aee9c1871
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

This patch defines the variable `LDLIBS` which allows external
libraries to be specified to 'ld' to enable it to link the
libraries.

Change-Id: I02a490eca1074063d00153ccb0ee974ef8859a0e
Signed-off-by: Soby Mathew <soby.mathew@arm.com>

Introduce TF_LDFLAGS and improve CFLAGS documentation

CFLAGS content can be set on the command line to allow passing extra
options to the compiler. Its content is appended after the options set
by the Makefile (TF_CFLAGS).

The Makefiles must use TF_CFLAGS instead of CFLAGS, as the latter can be
completely overriden by setting it on the command line.

Also tell about LDFLAGS in the "Debugging options" section.

Change-Id: Iaf27b424002898ef3040133f78cb133983a37aee
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Use TF_LDFLAGS from the Makefiles, and still append LDFLAGS as well to
the compiler's invocation. This allows passing extra options from the
make command line using LDFLAGS.

Document new LDFLAGS Makefile option.

Change-Id: I88c5ac26ca12ac2b2d60a6f150ae027639991f27
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Add Juno AArch32 and AArch64 User Guide instructions

Updated section 6, building a FIP for Juno and FVP, adding
instructions for AArch32 and AArch64.

Updated section 4.1, summary of build options, to include a
description of the `JUNO_AARCH32_EL3_RUNTIME` build flag.

Change-Id: I4ed006522cab981371c382859063f088fbfcb8f7
Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>

Improve format of exception vectors in BL1 description

rockchip: enable A53's erratum 855873 for rk3399

Fix broken link in documentation

Apply workarounds for A53 Cat A Errata 835769 and 843419

Resolve signed-unsigned comparison issues

Minor build fixes

Without the additional newlines all the text becomes a single paragraph
and next newlines are ignored.

Change-Id: I783198477f654e3923fcabb21248f2bc62c33e9d
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>

For rk3399, the L2ACTLR[14] is 0 by default, as ACE CCI-500 doesn't
support WriteEvict. and you will hit the condition L2ACTLR[3] with 0,
as the Evict transactions should propagate to CCI-500 since it has
snoop filters.

Maybe this erratum applies to all Cortex-A53 cores so far, especially
if RK3399's A53 is a r0p4. we should enable it to avoid data corruption,

Change-Id: Ib86933f1fc84f8919c8e43dac41af60fd0c3ce2f
Signed-off-by: Caesar Wang <wxt@rock-chips.com>

juno/aarch32: Fix boot on Cortex A57 and A72

Fix link in docs/firmware-update.md and docs/change-log.md:
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Image-Terminology



Change-Id: I2d51d373fd0f7da59b548cd6bed52c47772014fd
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

A recent commit 030567e6

 added U()/ULL()
macro to TF constants. This has caused some signed-unsigned comparison
warnings / errors in the TF static analysis.

This patch addresses these issues by migrating impacted variables from
signed ints to unsigned ints and vice verse where applicable.

Change-Id: I4b4c739a3fa64aaf13b69ad1702c66ec79247e53
Signed-off-by: David Cunado <david.cunado@arm.com>

Fix Tegra CFLAGS usage

On Juno AArch32, the L2 cache may contain garbage after the warm reset
from AArch64 to AArch32.  This is all fine until the MMU is configured
and the data caches enabled.  To avoid fetching stale data from the L2
unified cache, invalidate it before the warm reset to AArch32 state.

Change-Id: I7d27e810692c02c3e83c9f31de67f6bae59a960a
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>

Before BL2 loads the SCP ram firmware, `SCP_BOOT_CFG_ADDR` specifies
the primary core.  After the SCP ram firmware has started executing,
`SCP_BOOT_CFG_ADDR` is modified.  This is not normally an issue but
the Juno AArch32 boot flow is a special case.  BL1 does a warm reset
into AArch32 and the core jumps to the `sp_min` entrypoint.  This is
effectively a `RESET_TO_SP_MIN` configuration.  `sp_min` has to be
able to determine the primary core and hence we need to restore
`SCP_BOOT_CFG_ADDR` to the cold boot value before `sp_min` runs.

This magically worked when booting on A53 because the core index was
zero and it just so happened to match with the new value in
`SCP_BOOT_CFG_ADDR`.

Change-Id: I105425c680cf6238948625c1d1017b01d3517c01
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>

Fix FWU and cache helper optimization

psci: minor fixes in lib

aarch64: Enable Statistical Profiling Extensions for lower ELs

Use TF_CFLAGS instead of CFLAGS, to allow CFLAGS to be overriden from
the make command line.

Change-Id: I3e5726c04bcd0176f232581b8be2c94413374ac7
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>

Fully initialise essential control registers

Include io_dummy.h header file.
Use static for device_type_dummy function.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>

This change avoids warning about type conversion.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>

Use NULL instead of 0 where required.
Include headers to have the prototype of the functions.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>

This change avoids warnings when setting -Wmissing-prototypes or when
using sparse tool.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>

This change avoids warning when setting -Wmissing-prototypes to
compile bl1_context_mgmt.c.
Reported-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>