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Add support for ARM Cortex-A73 MPCore Processor
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Build option to include AArch32 registers in cpu context
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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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* Move libfdt API headers to include/lib/libfdt
* Add libfdt.mk helper makefile
* Remove unused libfdt files
* Minor changes to fdt.h and libfdt.h to make them C99 compliant
Co-Authored-By: Jens Wiklander <jens.wiklander@linaro.org>
Change-Id: I425842c2b111dcd5fb6908cc698064de4f77220e
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Imports libfdt code from https://git.kernel.org/cgit/utils/dtc/dtc.git
tag "v1.4.1" commit 302fca9f4c283e1994cf0a5a9ce1cf43ca15e6d2.
Change-Id: Ia0d966058beee55a9047e80d8a05bbe4f71d8446
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Exclude documentation files from the `make checkcodebase` target
(these files were already excluded from checkpatch).
Also exclude libfdt files to prepare for import of this library.
Change-Id: Iee597ed66494de2b11cf84096f771f1f04472d5b
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* Move stdlib header files from include/stdlib to include/lib/stdlib for
consistency with other library headers.
* Fix checkpatch paths to continue excluding stdlib files.
* Create stdlib.mk to define the stdlib source files and include directories.
* Include stdlib.mk from the top level Makefile.
* Update stdlib header path in the fip_create Makefile.
* Update porting-guide.md with the new paths.
Change-Id: Ia92c2dc572e9efb54a783e306b5ceb2ce24d27fa
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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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The system registers that are saved and restored in CPU context include
AArch32 systems registers like SPSR_ABT, SPSR_UND, SPSR_IRQ, SPSR_FIQ,
DACR32_EL2, IFSR32_EL2 and FPEXC32_EL2. Accessing these registers on an
AArch64-only (i.e. on hardware that does not implement AArch32, or at
least not at EL1 and higher ELs) platform leads to an exception. This patch
introduces the build option `CTX_INCLUDE_AARCH32_REGS` to specify whether to
include these AArch32 systems registers in the cpu context or not. By default
this build option is set to 1 to ensure compatibility. AArch64-only platforms
must set it to 0. A runtime check is added in BL1 and BL31 cold boot path to
verify this.
Fixes ARM-software/tf-issues#386
Change-Id: I720cdbd7ed7f7d8516635a2ec80d025f478b95ee
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As of commit e1ea9290bb, if the attributes of an inner memory region
are different than the outer region, new page tables are generated
regardless of how "restrictive" they are. This patch removes an
out-dated comment still referring to the old priority system based
on which attributes were more restrictive.
Change-Id: Ie7fc1629c90ea91fe50315145f6de2f3995e5e00
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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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Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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rockchip/rk3399: Support the gpio driver and configure
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Improve robustness and readability of exception code
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PSCI: Add pwr_domain_pwr_down_wfi() hook in plat_psci_ops
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Add CCN support to FVP
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if define power off gpio, BL31 will do system power off through
gpio control.
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If define a reset gpio, BL31 will use gpio to reset SOC,
otherwise use CRU reset.
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We add plat parameter structs to support BL2 to pass variable-length,
variable-type parameters to BL31. The parameters are structured as a
link list. During bl31 setup time, we travse the list to process each
parameter. throuth this way, we can get the reset or power off gpio
parameter, and do hardware control in BL31. This structure also can
pass other parameter to BL31 in future.
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There are 5 groups of GPIO (GPIO0~GPIO4), totally have 122 GPIOs
on rk3399 platform.
The pull direction(pullup or pulldown) for all of GPIOs are
software-programmable.
At the moment, we add the gpio basic driver since reset or power off
the devices from gpio configuration for BL31.
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On some platform gpio can set/get pull status when input, add these
function so we can set/get gpio pull status when need it. And they are
optional function.
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The documentation of the GNU assembler specifies the following about
the .align assembler directive:
"the padding bytes are normally zero. However, on some systems, if
the section is marked as containing code and the fill value is
omitted, the space is filled with no-op instructions."
(see https://sourceware.org/binutils/docs/as/Align.html)
When building Trusted Firmware, the AArch64 GNU assembler uses a
mix of zero bytes and no-op instructions as the padding bytes to
align exception vectors.
This patch mandates to use zero bytes to be stored in the padding
bytes in the exception vectors. In the AArch64 instruction set, no
valid instruction encodes as zero so this effectively inserts
illegal instructions. Should this code end up being executed for
any reason, it would crash immediately. This gives us an extra
protection against misbehaving code at no extra cost.
Change-Id: I4f2abb39d0320ca0f9d467fc5af0cb92ae297351
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This patch introduces some assembler macros to simplify the
declaration of the exception vectors. It abstracts the section
the exception code is put into as well as the alignments
constraints mandated by the ARMv8 architecture. For all TF images,
the exception code has been updated to make use of these macros.
This patch also updates some invalid comments in the exception
vector code.
Change-Id: I35737b8f1c8c24b6da89b0a954c8152a4096fa95
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Powering up cores didn't wait for the PMUFW to complete the request,
which could result in cores failing to power up in Linux.
Reported-by: Koteswararao Nayudu <kotin@xilinx.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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This patch adds a new optional platform hook `pwr_domain_pwr_down_wfi()` in
the plat_psci_ops structure. This hook allows the platform to perform platform
specific actions including the wfi invocation to enter powerdown. This hook
is invoked by both psci_do_cpu_off() and psci_cpu_suspend_start() functions.
The porting-guide.md is also updated for the same.
This patch also modifies the `psci_power_down_wfi()` function to invoke
`plat_panic_handler` incase of panic instead of the busy while loop.
Fixes ARM-Software/tf-issues#375
Change-Id: Iba104469a1445ee8d59fb3a6fdd0a98e7f24dfa3
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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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This patch adds the API `ccn_get_part0_id` to query the PART0 ID from the
PERIPHERAL_ID 0 register in the CCN driver. This ID allows to distinguish
the variant of CCN present on the system and possibly enable dynamic
configuration of the IP based on the variant. Also added an assert in
`ccn_master_to_rn_id_map()` to ensure that the master map bitfield provided
by the platform is within the expected interface id.
Change-Id: I92d2db7bd93a9be8a7fbe72a522cbcba0aba2d0e
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The revision field may change between silicon revisions without changing
the mapping to a part. This avoids errors like:
ERROR: Incorrect XILINX IDCODE 0x14738093, maskid 0x4600093
NOTICE: ATF running on XCZUUNKN/EP108 v3/RTL5.1 at 0xfffe5000
on parts with a newer revision.
Reported-by: Love Kumar <love.kumar@xilinx.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Alistair Francis <alistair.francis@xilinx.com>
Tested-by: Love Kumar <love.kumar@xilinx.com>
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Access to APU_PWRCTRL register is protected during suspend/wakeup pocedure
in order to save valid state. If more than one CPU is accessing this register
it can be left in corrupted state during read-modify-write process.
Signed-off-by: Stefan Krsmanovic <stefan.krsmanovic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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DEFINE_BAKERY_LOCK() macro is used to put lock in coherent memory region.
ARM Trusted Firmware design guide, chapter 11 states that bakery_lock data
structures should be allocated in coherent memory region because it is
accessed by multiple CPUs with mismatched shareability, cacheability and
memory attributes.
Signed-off-by: Stefan Krsmanovic <stefan.krsmanovic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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Signed-off-by: Anes Hadziahmetagic <anes.hadziahmetagic@aggios.com>
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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Signed-off-by: Anes Hadziahmetagic <anes.hadziahmetagic@aggios.com>
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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Functions pm_ipi_send and pm_ipi_send_sync are declared in pm_ipi.h
Signed-off-by: Filip Drazic <filip.drazic@aggios.com>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
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The GIC area is specified larger than it needs to be and can be reduced.
Which allows reducing the structures required for the translation tables
as well.
This results in a reduction of memory footprint of ca. 4k.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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Implement generic delay timer and use it on platforms
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Use the generic delay timer instead of having a specific platform
file for configuring it.
Change-Id: Ifa68b9c97cd96ae1190cee74d22d729af95e4537
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Use the generic delay timer instead of having a specific platform
file for configuring it.
Change-Id: If6b8f60bc04230f4b85b2bcc1b670fc65461214e
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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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Add delay timer implementation based on the system generic counter.
This either uses the platform's implementation of
`plat_get_syscnt_freq()` or explicit clock multiplier/divider values
provided by the platform.
The current implementation of udelay has been modified to avoid
unnecessary calculations while waiting on the loop and to make it
easier to check for overflows.
Change-Id: I9062e1d506dc2f68367fd9289250b93444721732
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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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Added plat_get_syscnt_freq2, which is a 32 bit variant of the 64 bit
plat_get_syscnt_freq. The old one has been flagged as deprecated.
Common code has been updated to use this new version. Porting guide
has been updated.
Change-Id: I9e913544926c418970972bfe7d81ee88b4da837e
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Allow to handle cases where some images are pre-loaded (by debugger for
instance) without introducing many switches in files calling load_* functions.
Fixes: arm-software/tf-issues#398
Signed-off-by: Gerald Lejeune <gerald.lejeune@st.com>
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Hw crypt v3
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Change-Id: Idc40cc6243e532567ec4334ae37d97c003c90bfa
Signed-off-by: Yi Zheng <yi.zheng@mediatek.com>
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Due to the changes in Mediatek platform common code, we need to move
plat related SiP functions to plat folder.
Change-Id: I6b14b988235205a5858b4bf49043bc79d0512b06
Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
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Rockchip: Add some debug assertions in the PMU driver
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This patch adds some debug assertions ensuring that array indices
are within the bounds of the array.
Change-Id: I96ee81d14834c1e92cdfb7e60b49995cdacfd93a
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rockchip: support the suspend/resume for rk3399
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Refactor MediaTek platform common code
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