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Whitelist version 9.6 of Foundation FVP
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This prevents a warning being emitted in the console during FVP
configuration setup when using the Foundation FVP 9.6 onwards.
Change-Id: I685b8bd0dbd0119af4b0cb3f7d708fcc08e99561
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This patch adds ARM Cortex-A32 MPCore Processor support
in the CPU specific operations framework. It also includes
this support for the Base FVP port.
Change-Id: If3697b88678df737c29f79cf3fa1ea2cb6fa565d
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This patch adds support in SP_MIN to receive generic and
platform specific arguments from BL2.
The new signature is as following:
void sp_min_early_platform_setup(void *from_bl2,
void *plat_params_from_bl2);
ARM platforms have been modified to use this support.
Note: Platforms may break if using old signature.
Default value for RESET_TO_SP_MIN is changed to 0.
Change-Id: I008d4b09fd3803c7b6231587ebf02a047bdba8d0
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This patch adds ARM platform changes in BL2 for AArch32 state.
It instantiates a descriptor array for ARM platforms describing
image and entrypoint information for `SCP_BL2`, `BL32` and `BL33`.
It also enables building of BL2 for ARCH=aarch32.
Change-Id: I60dc7a284311eceba401fc789311c50ac746c51e
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This patch adds ARM platform changes in BL1 for AArch32 state.
It also enables building of BL1 for ARCH=aarch32.
Change-Id: I079be81a93d027f37b0f7d8bb474b1252bb4cf48
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This patch adds common changes to support AArch32 state in
BL1 and BL2. Following are the changes:
* Added functions for disabling MMU from Secure state.
* Added AArch32 specific SMC function.
* Added semihosting support.
* Added reporting of unhandled exceptions.
* Added uniprocessor stack support.
* Added `el3_entrypoint_common` macro that can be
shared by BL1 and BL32 (SP_MIN) BL stages. The
`el3_entrypoint_common` is similar to the AArch64
counterpart with the main difference in the assembly
instructions and the registers that are relevant to
AArch32 execution state.
* Enabled `LOAD_IMAGE_V2` flag in Makefile for
`ARCH=aarch32` and added check to make sure that
platform has not overridden to disable it.
Change-Id: I33c6d8dfefb2e5d142fdfd06a0f4a7332962e1a3
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This patch adds changes in ARM platform code to use new
version of image loading.
Following are the major changes:
-Refactor the signatures for bl31_early_platform_setup()
and arm_bl31_early_platform_setup() function to use
`void *` instead of `bl31_params_t *`.
-Introduce `plat_arm_bl2_handle_scp_bl2()` to handle
loading of SCP_BL2 image from BL2.
-Remove usage of reserve_mem() function from
`arm_bl1_early_platform_setup()`
-Extract BL32 & BL33 entrypoint info, from the link list
passed by BL2, in `arm_bl31_early_platform_setup()`
-Provides weak definitions for following platform functions:
plat_get_bl_image_load_info
plat_get_next_bl_params
plat_flush_next_bl_params
bl2_plat_handle_post_image_load
-Instantiates a descriptor array for ARM platforms
describing image and entrypoint information for
`SCP_BL2`, `BL31`, `BL32` and `BL33` images.
All the above changes are conditionally compiled using the
`LOAD_IMAGE_V2` flag.
Change-Id: I5e88b9785a3df1a2b2bbbb37d85b8e353ca61049
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This patch implements CSS platform hook to support NODE_HW_STATE PSCI
API. The platform hook queries SCP to obtain CSS power state. Power
states returned by SCP are then converted to expected PSCI return codes.
Juno's PSCI operation structure is modified to use the CSS
implementation.
Change-Id: I4a5edac0e5895dd77b51398cbd78f934831dafc0
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This patch adds the function scpi_get_css_power_state to perform the
'Get CSS Power State' SCP command and handle its response. The function
parses SCP response to obtain power states of requested cluster and CPUs
within.
Change-Id: I3ea26e48dff1a139da73f6c1e0893f21accaf9f0
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This patch implements FVP platform hook to support NODE_HW_STATE PSCI
API. The platform hook validates the given MPIDR and reads corresponding
status from FVP power controller, and returns expected values for the
PSCI call.
Change-Id: I286c92637da11858db2c8aba8ba079389032de6d
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Add WFI in platform's unexpected error handlers
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This patch adds a WFI instruction in the default implementations of
plat_error_handler() and plat_panic_handler(). This potentially reduces
power consumption by allowing the hardware to enter a low-power state.
The same change has been made to the FVP and Juno platform ports.
Change-Id: Ia4e6e1e5bf1ed42efbba7d0ebbad7be8d5f9f173
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This patch implements the support for SP_MIN in FVP. The SP_MIN platform
APIs are implemented and the required makefile support is added for FVP.
Change-Id: Id50bd6093eccbd5e38894e3fd2b20d5baeac5452
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This patch adds AArch32 support for FVP and implements common platform APIs
like `plat_get_my_stack`, `plat_set_my_stack`, `plat_my_core_cos` for AArch32.
Only Multi Processor(MP) implementations of these functions are considered in
this patch. The ARM Standard platform layer helpers are implemented for
AArch32 and the common makefiles are modified to cater for both AArch64 and
AArch32 builds. Compatibility with the deprecated platform API is not
supported for AArch32.
Change-Id: Iad228400613eec91abf731b49e21a15bcf2833ea
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This patch migrates the upstream platform makefiles to include the
console drivers from the new location in ARM Trusted Firmware code
base.
Change-Id: I866d6c4951e475de1f836ce8a8c1d5e6da9577e3
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ARM platforms: Define common image sizes
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Compile option `ARM_BOARD_OPTIMISE_MMAP` has been renamed to
`ARM_BOARD_OPTIMISE_MEM` because it now applies not only to defines
related to the translation tables but to the image size as well.
The defines `PLAT_ARM_MAX_BL1_RW_SIZE`, `PLAT_ARM_MAX_BL2_SIZE` and
`PLAT_ARM_MAX_BL31_SIZE` have been moved to the file board_arm_def.h.
This way, ARM platforms no longer have to set their own values if
`ARM_BOARD_OPTIMISE_MEM=0` and they can specify optimized values
otherwise. The common sizes have been set to the highest values used
for any of the current build configurations.
This is needed because in some build configurations some images are
running out of space. This way there is a common set of values known
to work for all of them and it can be optimized for each particular
platform if needed.
The space reserved for BL2 when `TRUSTED_BOARD_BOOT=0` has been
increased. This is needed because when memory optimisations are
disabled the values for Juno of `PLAT_ARM_MMAP_ENTRIES` and
`MAX_XLAT_TABLES` are higher. If in this situation the code is
compiled in debug mode and with "-O0", the code won't fit.
Change-Id: I70a3d8d3a0b0cad1d6b602c01a7ea334776e718e
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Previously the definition of `plat_get_syscnt_freq2()` in `arm_common.c` was
conditionally defined based on the ERROR_DEPRECATED flag. This patch makes
this function available irrespective of the flag and removes the deprecated
`plat_get_syscnt_freq()` definition.
Change-Id: I250ca787ca1b5e867096c6ba8f2bb444db44c97b
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The PRELOADED_BL33_BASE build option allows to preload a BL33 and bypass its
loading by BL2. In ARM standard platforms, the conditional behaviour of
PRELOADED_BL33_BASE is moved within the implementation of
`plat_get_ns_image_entrypoint()` so that all callers may benefit from this
feature.
Change-Id: Iea060e204ec72f8081087837854535c4e320da4e
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This patch moves the `arm_common.c` file from `plat/arm/common/aarch64/`
to the parent directory since the functions implemented in the file are
not AArch64 specific. The platform makefiles are also modified for this
change.
Change-Id: I776d2e4958f59041476cf2f53a9adb5b2d304ee0
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The `plat_psci_common.c` was moved to the new location `plat/common`
and a stub file was retained at previous location for compatibility. This
patch modifies the platform makefiles to include the file from the new
location.
Change-Id: Iabddeeb824e9a5d72d176d7c644735966c8c0699
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This patch reworks type usage in generic code, drivers and ARM platform files
to make it more portable. The major changes done with respect to
type usage are as listed below:
* Use uintptr_t for storing address instead of uint64_t or unsigned long.
* Review usage of unsigned long as it can no longer be assumed to be 64 bit.
* Use u_register_t for register values whose width varies depending on
whether AArch64 or AArch32.
* Use generic C types where-ever possible.
In addition to the above changes, this patch also modifies format specifiers
in print invocations so that they are AArch64/AArch32 agnostic. Only files
related to upcoming feature development have been reworked.
Change-Id: I9f8c78347c5a52ba7027ff389791f1dad63ee5f8
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On ARM CSS platforms, the whole flash used to be mapped as executable.
This is not required, given that the flash is used to store the BL1
and FIP images and:
- The FIP is not executed in place, its images are copied to RAM
and executed from there.
- BL1 is executed in place from flash but only its code needs to be
mapped as executable and platform code takes care of re-mapping
BL1's read-only section as executable.
Therefore, this patch now maps the flash as non-executable by default
on these platforms. This increases security by restricting the
executable region to what is strictly needed.
This patch also adds some comments to clarify the memory mapping
attributes on these platforms.
Change-Id: I4db3c145508bea1f43fbe0f6dcd551e1aec1ecd3
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This patch adds some verbose traces in the arm_setup_page_tables()
function to print the extents of the different memory regions it maps.
Change-Id: Ia3ae1053e7ebf3579601ff9238b0e3791eb1e9e4
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The arm_setup_page_tables() function used to expect a single set of
addresses defining the extents of the whole read-only section, code
and read-only data mixed up, which was mapped as executable.
This patch changes this behaviour. arm_setup_page_tables() now
expects 2 separate sets of addresses:
- the extents of the code section;
- the extents of the read-only data section.
The code is mapped as executable, whereas the data is mapped as
execute-never. New #defines have been introduced to identify the
extents of the code and the read-only data section. Given that
all BL images except BL1 share the same memory layout and linker
script structure, these #defines are common across these images.
The slight memory layout differences in BL1 have been handled by
providing values specific to BL1.
Note that this patch also affects the Xilinx platform port, which
uses the arm_setup_page_tables() function. It has been updated
accordingly, such that the memory mappings on this platform are
unchanged. This is achieved by passing null values as the extents
of the read-only data section so that it is ignored. As a result,
the whole read-only section is still mapped as executable.
Fixes ARM-software/tf-issues#85
Change-Id: I1f95865c53ce6e253a01286ff56e0aa1161abac5
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This patch changes the base address of the "total" Trusted SRAM region
seen by the BL2U image. It used to start just after BL2U's read-only
section (i.e. at address BL2U_RO_LIMIT), it now starts from the base
address of the BL2U image (i.e. at address BL2U_BASE). In other words,
the "total" memory region now includes BL2U's own read-only section.
This does not change BL2U's resulting memory mappings because the
read-only section was already mapped in BL2U, it just wasn't part of
this total memory region.
Change-Id: I2da16ac842469023b41904eaa8d13ed678d65671
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At the moment, on ARM platforms, BL1 maps everything from BL1_RO_BASE
to BL1_RO_LIMIT. BL1_RO_LIMIT, as defined in the porting guide, is
the maximum address in Trusted ROM that BL1's actual content _can_
occupy. The actual portion of ROM occupied by BL1 can be less than
that, which means that BL1 might map more Trusted ROM than it actually
needs to.
This patch changes BL1's memory mappings on ARM platforms to restrict
the region of Trusted ROM it maps. It uses the symbols exported by
the linker to figure out the actual extents of BL1's ROM footprint.
This change increases the number of page tables used on FVP by 1.
On FVP, we used to map the whole Trusted ROM. As it is 64MB large,
we used to map it as blocks of 2MB using level-2 translation table
entries. We now need a finer-grained mapping, which requires an
additional level-3 translation table.
On ARM CSS platforms, the number of translation tables is unchanged.
The BL1 image resides in flash at address 0x0BEC0000. This address is
not aligned on a 2MB-boundary so a level-3 translation table was
already required to map this memory.
Change-Id: I317a93fd99c40e70d0f13cc3d7a570f05c6c61eb
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This patch introduces a new header file: include/lib/utils.h.
Its purpose is to provide generic macros and helper functions that
are independent of any BL image, architecture, platform and even
not specific to Trusted Firmware.
For now, it contains only 2 macros: ARRAY_SIZE() and
IS_POWER_OF_TWO(). These were previously defined in bl_common.h and
xlat_tables.c respectively.
bl_common.h includes utils.h to retain compatibility for platforms
that relied on bl_common.h for the ARRAY_SIZE() macro. Upstream
platform ports that use this macro have been updated to include
utils.h.
Change-Id: I960450f54134f25d1710bfbdc4184f12c049a9a9
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This patch introduces the arm_setup_page_tables() function to
set up page tables on ARM platforms. It replaces the
arm_configure_mmu_elx() functions and does the same thing except
that it doesn't enable the MMU at the end. The idea is to reduce
the amount of per-EL code that is generated by the C preprocessor
by splitting the memory regions definitions and page tables creation
(which is generic) from the MMU enablement (which is the only per-EL
configuration).
As a consequence, the call to the enable_mmu_elx() function has been
moved up into the plat_arch_setup() hook. Any other ARM standard
platforms that use the functions `arm_configure_mmu_elx()` must be
updated.
Change-Id: I6f12a20ce4e5187b3849a8574aac841a136de83d
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This patch enables optional PSCI functions `PSCI_STAT_COUNT` and
`PSCI_STAT_RESIDENCY` for ARM standard platforms. The optional platform
API 'translate_power_state_by_mpidr()' is implemented for the Juno
platform. 'validate_power_state()' on Juno downgrades PSCI CPU_SUSPEND
requests for the system power level to the cluster power level.
Hence, it is not suitable for validating the 'power_state' parameter
passed in a PSCI_STAT_COUNT/RESIDENCY call.
Change-Id: I9548322676fa468d22912392f2325c2a9f96e4d2
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In GICv3 mode, the non secure group1 interrupts are signalled via the
FIQ line in EL3. To support waking up from CPU_SUSPEND to standby on
these systems, EL3 should route FIQ to EL3 temporarily before wfi and
restore the original setting after resume. This patch makes this change
for the CSS platforms in the `css_cpu_standby` psci pm ops hook.
Change-Id: Ibf3295d16e2f08da490847c1457bc839e1bac144
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Implement plat_set_nv_ctr for FVP platforms
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Fix a syntax error in plat/arm/common/aarch64/arm_common.c
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Add support for ARM Cortex-A73 MPCore Processor
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Building TF with ERROR_DEPRECATED=1 fails because of a missing
semi-column. This patch fixes this syntax error.
Change-Id: I98515840ce74245b0a0215805f85c8e399094f68
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Replaced placeholder implementation of plat_set_nv_ctr for FVP
platforms by a working one.
On FVP, the mapping of region DEVICE2 has been changed from RO to RW
to prevent exceptions when writing to the NV counter, which is
contained in this region.
Change-Id: I56a49631432ce13905572378cbdf106f69c82f57
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This patch adds ARM Cortex-A73 MPCore Processor support
in the CPU specific operations framework. It also includes
this support for the Base FVP port.
Change-Id: I0e26b594f2ec1d28eb815db9810c682e3885716d
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This patch adds support to select CCN driver for FVP during build.
A new build option `FVP_INTERCONNECT_DRIVER` is added to allow
selection between the CCI and CCN driver. Currently only the CCN-502
variant is supported on FVP.
The common ARM CCN platform helper file now verifies the cluster
count declared by platform is equal to the number of root node
masters exported by the ARM Standard platform.
Change-Id: I71d7b4785f8925ed499c153b2e9b9925fcefd57a
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Added a build flag to select the generic delay timer on FVP instead
of the SP804 timer. By default, the generic one will be selected. The
user guide has been updated.
Change-Id: Ica34425c6d4ed95a187b529c612f6d3b26b78bc6
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Replaced plat_get_syscnt_freq by plat_get_syscnt_freq2 on all
upstream platforms.
Change-Id: I3248f3f65a16dc5e9720012a05c35b9e3ba6abbe
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This patch changes the default driver for FVP platform from the deprecated
GICv3 legacy to the GICv3 only driver. This means that the default build of
Trusted Firmware will not be able boot Linux kernel with GICv2 FDT blob. The
user guide is also updated to reflect this change of default GIC driver for
FVP.
Change-Id: Id6fc8c1ac16ad633dabb3cd189b690415a047764
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This patch removes support for legacy Versatile Express memory map for the
GIC peripheral in the FVP platform. The user guide is also updated for the
same.
Change-Id: Ib8cfb819083aca359e5b46b5757cb56cb0ea6533
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This patch puts the definition of `plat_get_syscnt_freq()`
under `#ifdef ARM_SYS_CNTCTL_BASE` in arm_common.c file.
This is the fix for compilation error introduced by commit-id
`749ade4`, for platforms that use arm_common.c but do not
provide a memory mapped interface to the generic counter.
Fixes ARM-software/tf-issues#395
Change-Id: I2f2b10bd9500fa15308541ccb15829306a76a745
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This patch moves the definition for `plat_get_syscnt_freq()`
from arm_bl31_setup.c to arm_common.c. This could be useful
in case a delay timer needs to be installed based on the
generic timer in other BLs.
This patch also modifies the return type for this function
from `uint64_t` to `unsigned long long` within ARM and other
platform files.
Change-Id: Iccdfa811948e660d4fdcaae60ad1d700e4eda80d
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It is up to the platform to implement the new plat_crash_print_regs macro to
report all relevant platform registers helpful for troubleshooting.
plat_crash_print_regs merges or calls previously defined plat_print_gic_regs
and plat_print_interconnect_regs macros for each existing platforms.
NOTE: THIS COMMIT REQUIRES ALL PLATFORMS THAT ENABLE THE `CRASH_REPORTING`
BUILD FLAG TO MIGRATE TO USE THE NEW `plat_crash_print_regs()` MACRO. BY
DEFAULT, `CRASH_REPORTING` IS ENABLED IN DEBUG BUILDS FOR ALL PLATFORMS.
Fixes: arm-software/tf-issues#373
Signed-off-by: Gerald Lejeune <gerald.lejeune@st.com>
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This patch modifies the upstream platform port makefiles to use the new
xlat_tables library files. This patch also makes mmap region setup common
between AArch64 and AArch32 for FVP platform port. The file `fvp_common.c`
is moved from the `plat/arm/board/fvp/aarch64` folder to the parent folder
as it is not specific to AArch64.
Change-Id: Id2e9aac45e46227b6f83cccfd1e915404018ea0b
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Support for Xilinx Zynq UltraScale+ MPSoC
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Rename BL33_BASE and make it work with RESET_TO_BL31
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Remove BL32_BASE when building without SPD for FVP
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