core: ffa: reserve physical nexus memory for manifest

In reinit_manifest_dt() when reserving physical memory for the manifest,
allocate from physical nexus memory instead to support ns-virtualizatio

core: ffa: reserve physical nexus memory for manifest

In reinit_manifest_dt() when reserving physical memory for the manifest,
allocate from physical nexus memory instead to support ns-virtualization.

Fixes: 414123ae8ca5 ("core: ffa: reserve physical memory for manifest")
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: ffa: reserve physical memory for manifest

With CFG_CORE_SEL2_SPMC=y (Hafnium as SPMC at S-EL2), the FF-A manifest
passed to OP-TEE resides in the memory reserved for OP-TEE just before
the loa

core: ffa: reserve physical memory for manifest

With CFG_CORE_SEL2_SPMC=y (Hafnium as SPMC at S-EL2), the FF-A manifest
passed to OP-TEE resides in the memory reserved for OP-TEE just before
the load address. The physical memory pool is initialized with the entire
range of secure memory, with holes carved out for already used memory.

Temporarily allocate the physical memory used by the manifest until it's
not needed any longer and released by release_manifest_dt().

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>

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core: dt: cached data for fdt_get_reg_props_by_index()

Factorize fdt_get_reg_props_by_index() and fdt_reg_info() to
add DT cache info support to the former.

Signed-off-by: Etienne Carriere <etienne

core: dt: cached data for fdt_get_reg_props_by_index()

Factorize fdt_get_reg_props_by_index() and fdt_reg_info() to
add DT cache info support to the former.

Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: kernel: dt: add and use fdt_reg_info()

Implement fdt_reg_info() instead of fdt_reg_base_address() and
fdt_reg_size() to optimize look up in the DT due to finding parent node.

Signed-off-by: E

core: kernel: dt: add and use fdt_reg_info()

Implement fdt_reg_info() instead of fdt_reg_base_address() and
fdt_reg_size() to optimize look up in the DT due to finding parent node.

Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: dt: cache embedded DTB node information

Optimize OP-TEE boot time regarding parsing of the embedded DTB
content when using libfdt. The library functions fdt_parent_offset()
and fdt_node_offset

core: dt: cache embedded DTB node information

Optimize OP-TEE boot time regarding parsing of the embedded DTB
content when using libfdt. The library functions fdt_parent_offset()
and fdt_node_offset_by_phandle() are not very efficient since they
parse the DTB from root node to target node to look up for,
respectively, the node offset of a node parent and the node offset
related to a node phandle. Helper functions fdt_reg_base_address()
and fdt_reg_size() are also affected since they are based on
fdt_parent_offset() to find the #address-cells and #size-cells
properties of a node parent.

Optimize this by parsing the embedded DT once and caching node
information (parent node, phandle value, parent node #address-cells
and #size-cells values) in a array. Parse the array instead of the
DT for find these information.

We made few tests to use bisection or hash tables for look up the
information in the cache array. The gain was very small, likely due
to the number of DT node involved in the platform is relatively small
(only several hundreds or nodes).

This feature is enabled upon configuration switch CFG_DT_CACHED_NODE_INFO.

Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: kernel: change DT getters to use manifest DT

This change get_dt() and get_secure_dt() to use manifest DT
as an alternative if there is no embedded DT or external DT.

Signed-off-by: Sungbae Yo

core: kernel: change DT getters to use manifest DT

This change get_dt() and get_secure_dt() to use manifest DT
as an alternative if there is no embedded DT or external DT.

Signed-off-by: Sungbae Yoo <sungbaey@nvidia.com>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: kernel: move manifest DT functions to dt.c

This moves functions to handle manifest DT, used as a SP (secure partition)
manifest via FF-A interface, to core/kernel/dt.c and their definitions
to

core: kernel: move manifest DT functions to dt.c

This moves functions to handle manifest DT, used as a SP (secure partition)
manifest via FF-A interface, to core/kernel/dt.c and their definitions
to dt.h.
manifest DT is dependent with CORE_FFA that depends on CFG_DT, as the same
as dt.c.

Signed-off-by: Sungbae Yoo <sungbaey@nvidia.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: kernel: dt: check return values from snprintf()

Check return values from snprintf() function.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Reviewed-by: Jerome Forissier <jerome.foriss

core: kernel: dt: check return values from snprintf()

Check return values from snprintf() function.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: remove unnecessary includes

Remove unnecessary includes.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander

core: remove unnecessary includes

Remove unnecessary includes.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: add new argument to init_external_dt()

Add argument to function init_external_dt() to allow callers to specify
the maximum size of external DTB to be initialized.

Signed-off-by: Raymond Mao <

core: add new argument to init_external_dt()

Add argument to function init_external_dt() to allow callers to specify
the maximum size of external DTB to be initialized.

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: add support for transfer list

Add supports for Transfer List on both aarch32/64.
Fetch arguments from {x,r}{0-3} and check if a valid Transfer List
exists, which compliant to the Firmware Hand

core: add support for transfer list

Add supports for Transfer List on both aarch32/64.
Fetch arguments from {x,r}{0-3} and check if a valid Transfer List
exists, which compliant to the Firmware Handoff specification.
The Transfer List will be mapped during early initialization and
unmapped before exiting to next boot stage.
DTB and pagable address will be parsed from the Transfer List if
they exist as Transfer Entries.
If Transfer List does not exist or is invalid, legacy argument
handoff is backwards compatible.

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: kernel: Refine variable declarations and return values in dt.c

Provide initialization values for local variables. The return values of
libfdt functions are returned instead of -1 since libfdt

core: kernel: Refine variable declarations and return values in dt.c

Provide initialization values for local variables. The return values of
libfdt functions are returned instead of -1 since libfdt has its own
error codes and they are useful for debug.

Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: arm: Move some DT functions to common kernel

Some existed functions for device tree in ARM could be also used for
other architectures. This commit moves most of functions from ARM
architecture

core: arm: Move some DT functions to common kernel

Some existed functions for device tree in ARM could be also used for
other architectures. This commit moves most of functions from ARM
architecture into "core/kernel/dt.c", including external DT descriptor,
DT overlay, external DT initialization, API for adding DT child nodes
and reserved-memory nodes. Since "core/kernel/dt.c" is dependent with
CFG_DT, other functions which are independent with CFG_DT are put into
new file "core/kernel/boot.c".

Signed-off-by: Alvin Chang <alvinga@andestech.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>

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core: add dt_getprop_as_number()

Adds dt_getprop_as_number() to read a property and parse it as a number
returned as a uint64_t. The size of the property determines if it's read
as an unsigned 32-bi

core: add dt_getprop_as_number()

Adds dt_getprop_as_number() to read a property and parse it as a number
returned as a uint64_t. The size of the property determines if it's read
as an unsigned 32-bit or 64-bit integer.

Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: dt_driver: move related content from dt.h to dt_driver.h

Moves so-called dt_driver related declarations and definitions from
dt.h to dt_drivers.h. Incidentally adds an inline description to
en

core: dt_driver: move related content from dt.h to dt_driver.h

Moves so-called dt_driver related declarations and definitions from
dt.h to dt_drivers.h. Incidentally adds an inline description to
enum dt_driver_type. This change clarifies when a source file shall
include dt.h and/or dt_driver.h.

This change updates driver source files to include none, one or both of
these header files where applicable.

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: fix return value in fdt_read_uint32_array()

If fdt_getprop() returns 0, the error code is contained in the fourth
parameter: len in this case.

Return len instead of -FDT_ERR_NOTFOUND.

Si

core: dt: fix return value in fdt_read_uint32_array()

If fdt_getprop() returns 0, the error code is contained in the fourth
parameter: len in this case.

Return len instead of -FDT_ERR_NOTFOUND.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: add kernel DT API to retrieve regs by name

This patch adds _fdt_get_reg_props_by_index() and
_fdt_get_reg_props_by_name() APIs.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.

core: dt: add kernel DT API to retrieve regs by name

This patch adds _fdt_get_reg_props_by_index() and
_fdt_get_reg_props_by_name() APIs.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: add fdt_read_size() helper

This patch adds fdt_read_size() helper.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@f

core: dt: add fdt_read_size() helper

This patch adds fdt_read_size() helper.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: add kernel DT API fdt_read_uint32_index()

This patch adds fdt_read_uint32_index() API. This API reads one cell
from a given multi-value property.

This patch updates fdt_read_uint32() and

core: dt: add kernel DT API fdt_read_uint32_index()

This patch adds fdt_read_uint32_index() API. This API reads one cell
from a given multi-value property.

This patch updates fdt_read_uint32() and fdt_read_uint32_default()
to use fdt_read_uint32_index() API

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: replace _fdt_ prefix with fdt_ for device tree API

As per upstream discussion, there is no reason to keep _fdt_ prefix.
Replaces it with fdt_ for all occurrences.

Signed-off-by: Gatien Cheval

core: replace _fdt_ prefix with fdt_ for device tree API

As per upstream discussion, there is no reason to keep _fdt_ prefix.
Replaces it with fdt_ for all occurrences.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: allow null value in reg property

This change allows reg property to have value 0. The reg property can
be used to describe an element that is not a physical address and
for which 0 is a va

core: dt: allow null value in reg property

This change allows reg property to have value 0. The reg property can
be used to describe an element that is not a physical address and
for which 0 is a valid value.

Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>

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core: dt: Make it possible to alter device mapping

In case where IP core device is TrustZone aware and is used by both REE
and TEE dt_map_dev() would normally cause non-secure mapping for the
device

core: dt: Make it possible to alter device mapping

In case where IP core device is TrustZone aware and is used by both REE
and TEE dt_map_dev() would normally cause non-secure mapping for the
device.

When selected registers in IP core are only accessible by TrustZone device
needs to be mapped with MEM_AREA_IO_SEC to cause actual AXI memory access
be made with AWPROT[1] and ARPROT[1] bits configured properly.

This adds new argument for dt_map_dev() to enable forcing mapping to be
secure or non-secure.

Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@vaisala.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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core: dt: add kernel DT API to retrieved device information from DT

Add _fdt_read_uint32_array(), _fdt_read_uint32(),
_fdt_read_uint32_default(), _fdt_check_node() functions.

Acked-by: Etienne Carr

core: dt: add kernel DT API to retrieved device information from DT

Add _fdt_read_uint32_array(), _fdt_read_uint32(),
_fdt_read_uint32_default(), _fdt_check_node() functions.

Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>

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core: define DT drivers using scattered arrays

Replace the specific mechanism used to define and enumerate DT drivers
with scattered arrays. Doing so simplifies the TEE linker file a bit.

Signed-of

core: define DT drivers using scattered arrays

Replace the specific mechanism used to define and enumerate DT drivers
with scattered arrays. Doing so simplifies the TEE linker file a bit.

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Suggested-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: kernel: add reg_size in the dt_node_info structure

Add the register size read from device tree in the dt_node_info
structure. It may be used to map the IO registers with the
correct address ra

core: kernel: add reg_size in the dt_node_info structure

Add the register size read from device tree in the dt_node_info
structure. It may be used to map the IO registers with the
correct address range.

Signed-off-by: Lionel Debieve <lionel.debieve@foss.st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>

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