core/include/*/*.h: use U() for unsigned constants

Updates with the U() macro as described in the recently updated coding
guidelines.

Acked-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Acked-by: Je

core/include/*/*.h: use U() for unsigned constants

Updates with the U() macro as described in the recently updated coding
guidelines.

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

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core/include/drivers/*.h: use BIT() and SHIFT_U32() macros

Uses the more safe BIT() and SHIFT_U32() macros instead of direct
shifting of 1 or some other constant integer.

Acked-by: Ruchika Gupta <r

core/include/drivers/*.h: use BIT() and SHIFT_U32() macros

Uses the more safe BIT() and SHIFT_U32() macros instead of direct
shifting of 1 or some other constant integer.

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

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tzc380: add function to lockdown regions

The TZC380 allows a lockdown of the region configuration to prevent
unintended or malicious configuration changes. Add a function which
locks down all region

tzc380: add function to lockdown regions

The TZC380 allows a lockdown of the region configuration to prevent
unintended or malicious configuration changes. Add a function which
locks down all regions of the current configuration

Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Reviewed-by: Clement Faure <clement.faure@nxp.com>

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drivers: tzc: set maximum region size for tzc_auto_configure()

According to the TZC380 documentation, the AXI address width controls
the upper limit value of the region size.
This fix makes sure tha

drivers: tzc: set maximum region size for tzc_auto_configure()

According to the TZC380 documentation, the AXI address width controls
the upper limit value of the region size.
This fix makes sure that tzc_auto_configure() function will not
allocated a region bigger that the AXI address width.

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Reviewed-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>

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tzc380: add region auto configuration function

The tzc_auto_configure() function takes an address, a size, the attribute
and a region as arguments. It calculates the fitting tzc380 region
configurat

tzc380: add region auto configuration function

The tzc_auto_configure() function takes an address, a size, the attribute
and a region as arguments. It calculates the fitting tzc380 region
configuration and applies it to the controller.

Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>

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tzc380: add function to retrieve action register

The TZC380 IP has an action configuration which defines the action taken
if a region is accessed with the wrong permissions.
Devices do not have to s

tzc380: add function to retrieve action register

The TZC380 IP has an action configuration which defines the action taken
if a region is accessed with the wrong permissions.
Devices do not have to set the action register explicitly, add a
function to retrieve the default configuration.

Signed-off-by: Rouven Czerwinski <rouven@czerwinskis.de>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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drivers: tzc380: fix tzc_configure_region api

Signed-off-by: Silvano di Ninno <silvano.dininno@nxp.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>

tzc380: export more api

Introduce tzc_security_inversion_en tzc_enable_region tzc_fail_dump and
tzc_int_clear.

When we want to block secure access to region configured TZC_ATTR_SP_NS_RW,
need to us

tzc380: export more api

Introduce tzc_security_inversion_en tzc_enable_region tzc_fail_dump and
tzc_int_clear.

When we want to block secure access to region configured TZC_ATTR_SP_NS_RW,
need to use tzc_security_inversion_en.

Sometimes we need to configure the regions first, then enable the
region.

tzasc380 interrupt could be enabled to catch some illegal access
with tzc_fail_dump and tzc_int_clear.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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tzc380: do not write reserved bits

For region0, only SP is configurable, so should not configure
region low/high.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Jens Wiklander <jens.wiklander

tzc380: do not write reserved bits

For region0, only SP is configurable, so should not configure
region low/high.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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Add SPDX license identifiers

Adds one SPDX-License-Identifier line [1] to each source files that
contains license text.

Generated by [2]:
spdxify.py --add-spdx optee_os/

The scancode tool [3] wa

Add SPDX license identifiers

Adds one SPDX-License-Identifier line [1] to each source files that
contains license text.

Generated by [2]:
spdxify.py --add-spdx optee_os/

The scancode tool [3] was used to double check the license matching
code in the Python script. All the licenses detected by scancode are
either detected by spdxify.py, or have no SPDX identifier, or are false
matches.

Link: [1] https://spdx.org/licenses/
Link: [2] https://github.com/jforissier/misc/blob/f7b56c8/spdxify.py
Link: [3] https://github.com/nexB/scancode-toolkit
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Joakim Bech <joakim.bech@linaro.org>

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drivers: tzc380: add tzc380 driver

Add tzc380 driver support.

The usage:
Use tzc_init(vaddr_t base) to get the tzc380 configuration.
Use tzc_configure_region to configure the memory region,
such as

drivers: tzc380: add tzc380 driver

Add tzc380 driver support.

The usage:
Use tzc_init(vaddr_t base) to get the tzc380 configuration.
Use tzc_configure_region to configure the memory region,
such as "tzc_configure_region(5, 0x4e000000,
TZC_ATTR_REGION_SIZE(TZC_REGION_SIZE_32M) | TZC_ATTR_REGION_EN_MASK |
TZC_ATTR_SP_S_RW);"

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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