core: mm: move tee_mm.c to core/mm

Move tee_mm.c from core/arch/arm/mm to core/mm to reuse it with new
architectures.

Signed-off-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Reviewed-by: Etien

core: mm: move tee_mm.c to core/mm

Move tee_mm.c from core/arch/arm/mm to core/mm to reuse it with new
architectures.

Signed-off-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: kernel: move boot.h to core/include/kernel

Move boot.h from core/arch/arm/include/kernel/ to core/include/kernel to
avoid duplicating it in arch folder if we build for a new architecture.

Sig

core: kernel: move boot.h to core/include/kernel

Move boot.h from core/arch/arm/include/kernel/ to core/include/kernel to
avoid duplicating it in arch folder if we build for a new architecture.

Signed-off-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: kernel: tee_ta_manager.c: remove arm.h from includes

Header file arm.h is not used in tee_ta_manager.c, remove it from includes
such that can reuse it with new architecture.

Signed-off-by: Ma

core: kernel: tee_ta_manager.c: remove arm.h from includes

Header file arm.h is not used in tee_ta_manager.c, remove it from includes
such that can reuse it with new architecture.

Signed-off-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: split core/arch/arm/mm/core_mmu.c

Splits core/arch/arm/mm/core_mmu.c into one generic and one architecture
specific file.

Acked-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene

core: split core/arch/arm/mm/core_mmu.c

Splits core/arch/arm/mm/core_mmu.c into one generic and one architecture
specific file.

Acked-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: add core_mmu_table_write_barrier()

Adds the special barrier core_mmu_table_write_barrier() which is
supposed to be used to make sure that writes to translation tables has
become visible.

Revi

core: add core_mmu_table_write_barrier()

Adds the special barrier core_mmu_table_write_barrier() which is
supposed to be used to make sure that writes to translation tables has
become visible.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: introduce TRUSTED_{S,D}RAM_*

Introduces TRUSTED_{S,D}RAM_* intended to replace TZ{S,D}RAM_* on the
longer term. In this patch we're cleaning up core_mmu.c to make it
less architecture dependen

core: introduce TRUSTED_{S,D}RAM_*

Introduces TRUSTED_{S,D}RAM_* intended to replace TZ{S,D}RAM_* on the
longer term. In this patch we're cleaning up core_mmu.c to make it
less architecture dependent.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: split core_mmu_private.h

Splits core_mmu_private.h into <mm/core_mmu_arch.h> and <mm/core_mmu.h>

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.bou

core: split core_mmu_private.h

Splits core_mmu_private.h into <mm/core_mmu_arch.h> and <mm/core_mmu.h>

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: split core/arch/arm/include/mm/core_mmu.h

Splits core/arch/arm/include/mm/core_mmu.h into one generic and one
architecture specific file.

Reviewed-by: Jerome Forissier <jerome@forissier.org>

core: split core/arch/arm/include/mm/core_mmu.h

Splits core/arch/arm/include/mm/core_mmu.h into one generic and one
architecture specific file.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: arm{32,64}.h: add "memory" constraint

Adds the missing memory constraint to the inline assembly instructions
isb, dsb, dmb, sev, wfe and wfi.

Reviewed-by: Jerome Forissier <jerome@forissier.o

core: arm{32,64}.h: add "memory" constraint

Adds the missing memory constraint to the inline assembly instructions
isb, dsb, dmb, sev, wfe and wfi.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: add support for SPMC at EL3

Adds support for SPMC at EL3 with CFG_CORE_EL3_SPMC. This is from OP-TEE
point of view almost identical to CFG_CORE_SEL2_SPMC with SPMC at S-EL2.

The previously S-

core: add support for SPMC at EL3

Adds support for SPMC at EL3 with CFG_CORE_EL3_SPMC. This is from OP-TEE
point of view almost identical to CFG_CORE_SEL2_SPMC with SPMC at S-EL2.

The previously S-EL2 specific functions mobj_ffa_sel2_spmc_new() and
mobj_ffa_sel2_spmc_delete() are renamed to mobj_ffa_spmc_new() and
mobj_ffa_spmc_delete() respectively since they are no longer reserved to
used only with SPMC at S-EL2.

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

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core: ffa: stop using FFA_MEMORY_REGION_FLAG_TIME_SLICE

FFA_MEMORY_REGION_FLAG_TIME_SLICE is an optional feature and might not
be available in the SPM. So drop this flag for better compatibility.

A

core: ffa: stop using FFA_MEMORY_REGION_FLAG_TIME_SLICE

FFA_MEMORY_REGION_FLAG_TIME_SLICE is an optional feature and might not
be available in the SPM. So drop this flag for better compatibility.

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

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core: ffa: correct response to FFA_INTERRUPT

When a secure interrupts is delivered by the SPM to OP-TEE the correct
response is FFA_MSG_WAIT, not FFA_SUCCESS_32 as was used previously. So
fix this.

core: ffa: correct response to FFA_INTERRUPT

When a secure interrupts is delivered by the SPM to OP-TEE the correct
response is FFA_MSG_WAIT, not FFA_SUCCESS_32 as was used previously. So
fix this.

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

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core: ffa: fix spmc_rxtx_map()

Adds the missing calls to virt_to_phys() when registering the rxtx
buffers with the SPMC.

Acked-by: Jerome Forissier <jerome@forissier.org>
Signed-off-by: Jens Wiklan

core: ffa: fix spmc_rxtx_map()

Adds the missing calls to virt_to_phys() when registering the rxtx
buffers with the SPMC.

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

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plat-vexpress: enable uart IT with TF-A and GICv3

With GICv3 TF-A doesn't need to know which interrupts are destined to
S-EL1 since this is programmed directly in the GICv3. On GICv2 that's
not poss

plat-vexpress: enable uart IT with TF-A and GICv3

With GICv3 TF-A doesn't need to know which interrupts are destined to
S-EL1 since this is programmed directly in the GICv3. On GICv2 that's
not possible so fix the ifdefs for this.

Always keep uart interrupts disabled with CFG_VIRTUALIZATION=y since
that requires more work to sort out.

Fixes: 41985789f3bd ("plat-vexpress: disable uart IT with TF-A and GICv3")
Acked-by: Jerome Forissier <jerome@forissier.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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plat-sam: enable watchdog support in configuration

Enable watchdog support and watchdog SMC handler. Set the watchdog SMC
id to 0x2000500 (SiP SMC with func id 0x500).

Acked-by: Jens Wiklander <jen

plat-sam: enable watchdog support in configuration

Enable watchdog support and watchdog SMC handler. Set the watchdog SMC
id to 0x2000500 (SiP SMC with func id 0x500).

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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drivers: atmel_wdt: add atmel watchdog timer driver

Add a driver to handle the atmel watchdog timer that is present on the
sama5d2. This driver allows to use an interrupt handler that for the
moment

drivers: atmel_wdt: add atmel watchdog timer driver

Add a driver to handle the atmel watchdog timer that is present on the
sama5d2. This driver allows to use an interrupt handler that for the
moment does nothing but display the watchdog error.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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dts: sama5d2: set the watchdog as secure

Enable the watchdog to be secure since dt_map_dev uses this attribute
to apply the correct MMU policy and we want the interrupt to be
redirected to the SAIC.

dts: sama5d2: set the watchdog as secure

Enable the watchdog to be secure since dt_map_dev uses this attribute
to apply the correct MMU policy and we want the interrupt to be
redirected to the SAIC.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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plat-sam: disable CFG_CORE_HAS_GENERIC_TIMER

sama5d2 platform does not have support for the ARM generic timer
extension. Disable CFG_CORE_HAS_GENERIC_TIMER and implement
plat_get_freq() using device

plat-sam: disable CFG_CORE_HAS_GENERIC_TIMER

sama5d2 platform does not have support for the ARM generic timer
extension. Disable CFG_CORE_HAS_GENERIC_TIMER and implement
plat_get_freq() using device-tree. Since clocks are probed early in
the boot process, the udelay function can be used at driver probe time
but not before clock probing of course.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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dts: sama5d2: add clocks for cpu

This clock will be used to retrieve the CPU clock frequency in
plat_get_freq().

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <c

dts: sama5d2: add clocks for cpu

This clock will be used to retrieve the CPU clock frequency in
plat_get_freq().

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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delay: allow udelay() function to work without generic timers

sama5d2 processor is missing the optional ARM generic timers extension.
In order to allow using the udelay function, add a function base

delay: allow udelay() function to work without generic timers

sama5d2 processor is missing the optional ARM generic timers extension.
In order to allow using the udelay function, add a function based on
a wait loop. This support needs plat_get_freq() to be implemented by
the platform code and CFG_CORE_HAS_GENERIC_TIMER should be set to 'n'.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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core: sm: call wdt_sm_handler()

Call wdt_sm_handler() in order to handle watchdog SMCs.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

drivers: wdt: add SMC handler for arm-smc-wdt Linux driver

Add SMC handler to handle SMC coming from Linux arm-smc-wdt driver.
This function is meant to be called in sm_platform_handler() since
CFG_

drivers: wdt: add SMC handler for arm-smc-wdt Linux driver

Add SMC handler to handle SMC coming from Linux arm-smc-wdt driver.
This function is meant to be called in sm_platform_handler() since
CFG_WDT_SM_HANDLER_ID is going to be defined by the platforms.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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drivers: wdt: add watchdog interface

Add necessary code to register a system watchdog. This watchdog will
then used for generic watchdog usage using a new simple watchdog interface.
This interface w

drivers: wdt: add watchdog interface

Add necessary code to register a system watchdog. This watchdog will
then used for generic watchdog usage using a new simple watchdog interface.
This interface will be used by SMC handler which will allow handling SMC
coming from the arm-smc-wdt compatible driver present in Linux.

Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Clément Léger <clement.leger@bootlin.com>

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core: split core/include/kernel/thread_private.h

Splits core/include/kernel/thread_private.h into one generic and one
architecture specific file.

Reviewed-by: Jerome Forissier <jerome@forissier.org

core: split core/include/kernel/thread_private.h

Splits core/include/kernel/thread_private.h into one generic and one
architecture specific file.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: move thread_defs.h into thread.h

Moves the defines in core/arch/arm/include/kernel/thread_defs.h into
core/include/kernel/thread.h.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-

core: move thread_defs.h into thread.h

Moves the defines in core/arch/arm/include/kernel/thread_defs.h into
core/include/kernel/thread.h.

Reviewed-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Marouene Boubakri <marouene.boubakri@nxp.com>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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