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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

if define power off gpio, BL31 will do system power off through
gpio control.

If define a reset gpio, BL31 will use gpio to reset SOC,
otherwise use CRU reset.

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.

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.

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

Use the generic delay timer instead of having a specific platform
file for configuring it.

Change-Id: Ifa68b9c97cd96ae1190cee74d22d729af95e4537

Use the generic delay timer instead of having a specific platform
file for configuring it.

Change-Id: If6b8f60bc04230f4b85b2bcc1b670fc65461214e

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

Replaced plat_get_syscnt_freq by plat_get_syscnt_freq2 on all
upstream platforms.

Change-Id: I3248f3f65a16dc5e9720012a05c35b9e3ba6abbe

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

Change-Id: Idc40cc6243e532567ec4334ae37d97c003c90bfa
Signed-off-by: Yi Zheng <yi.zheng@mediatek.com>

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>

This patch adds some debug assertions ensuring that array indices
are within the bounds of the array.

Change-Id: I96ee81d14834c1e92cdfb7e60b49995cdacfd93a

This patch adds to support the suspend/resume for rk3399 SoCs.
Signed-off-by: Shengfei xu <xsf@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>

Refactor MediaTek platform common code for further mt6795 upstream.

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

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

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
`749ade45`, 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

This patch has the following change for rk3399.

* Set the uart to 115200 since the loader decide to set
  uart baud to 115200Hz. So the ATF also should set uart baud to 115200.

* We need ensure the bl31 base is greater than 4KB since there are have
  the shared mem for coreboot.(Note: the previous vesion was tested with uboot)

Otherwise, we will happen the exception crash since the ddr area won't
to work from the shared ram address in some cases.

For example, the exception crash:
CBFS: Found @ offset 19c80 size 24074
exception _sync_sp_el0
ELR = 0x0000000000008000
ESR = 0x0000000002000000
SPSR = 0x600003cc
FAR = 0xffffffff00000000
SP = 0x00000000ff8ed230
...
X29 = 0x00000000ff8c1fc0
X30 = 0x000000000030e3b0
exception death

Change-Id: I8bc557c6bcaf6804d2a313b38667d3e2517881d7
Signed-off-by: Caesar Wang <wxt@rock-chips.com>

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

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>

In mt8173, there are totally 10 non-cpu mtcmos, so we cannot tell
if SPM finished the power control flow by 10 status bits of PASR_PDP_3.
So, extend PASR_PDP_3 status bits from 10 to 20 so that we can
make sure if the control action has been done precisely.

Change-Id: Ifd4faaa4173c6e0543aa8471149adb9fe7fadedc
Signed-off-by: Fan Chen <fan.chen@mediatek.com>

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

This patch fixes the compilation error in Rockchip rk3368 platform port when
it is built in release mode.

Fixes ARM-software/tf-issues#389

Change-Id: I1a3508ac3a620289cf700e79db8f08569331ac53

To avoid confusion the build option BL33_BASE has been renamed to
PRELOADED_BL33_BASE, which is more descriptive of what it does and
doesn't get mistaken by similar names like BL32_BASE that work in a
completely different way.

NOTE: PLATFORMS USING BUILD OPTION `BL33_BASE` MUST CHANGE TO THE NEW
BUILD OPTION `PRELOADED_BL33_BASE`.

Change-Id: I658925ebe95406edf0325f15aa1752e1782aa45b

The BL33 address is now set in arm_bl31_early_platform_setup() so
that the preloaded BL33 boot option is available when RESET_TO_BL31
is also used.

Change-Id: Iab93e3916f9199c3387886b055c7cd2315efed29

Previously, when building TF without SPD support, BL2 tried to load a
BL32 image from the FIP and fails to find one, which resulted on
warning messages on the console. Even if there is a BL32 image in the
FIP it shouldn't be loaded because there is no way to transfer
control to the Secure Payload without SPD support.

The Makefile has been modified to pass a define of the form
SPD_${SPD} to the source code the same way it's done for PLAT. The
define SPD_none is then used to undefine BL32_BASE when BL32 is not
used to prevent BL2 from trying to load a BL32 image and failing,
thus removing the warning messages mentioned above.

Fixes ARM-software/tf-issues#287

Change-Id: Ifeb6f1c26935efb76afd353fea88e87ba09e9658

To fix build errors in following build conditions,
DEBUG=1 LOG_LEVEL<40
DEBUG=0 LOG_LEVEL>=40

Change-Id: Ib34aed07b2ae0abd8a3a46948adc9fbeaae715aa
Signed-off-by: yt.lee <yt.lee@mediatek.com>

The Xilinx Zynq UltraScale+ MPSOC containes a quad A53 cluster. This
patch adds the platform port for that SoC.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

This patch adds to support the RK3368 and RK3399 SoCs.

RK3368/RK3399 is one of the Rockchip family SoCs, which is an
multi-cores ARM SoCs.

This patch adds support to boot the Trusted Firmware on RK3368/RK3399
SoCs, and adds support to boot secondary CPUs, enter/exit core
power states for all CPUs in the slow/fast clusters.

This is the initial version for rockchip SoCs.(RK3368/RK3399 and next SoCs)
* Support arm gicv2 & gicv3.
* Boot up multi-cores CPU.
* Add generic CPU helper functions.
* Support suspend/resume.
* Add system_off & system_reset implementation.
* Add delay timer platform implementation.
* Support the new porting interface for the PSCI implementation.

Change-Id: I704bb3532d65e8c70dbd99b512c5e6e440ea6f43
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Shengfei xu <xsf@rock-chips.com>

Make the timer configuration conditional on the optional interface being
available.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

This patch modifies the return type of the platform API
`plat_get_ns_image_entrypoint()` from `unsigned long` to
`uintptr_t` in accordance with the coding guidelines.

Change-Id: Icb4510ca98b706aa4d535fe27e203394184fb4ca

BL31 usually handles confidential stuff, its memory must not be
read/write accessible from non-secure world. This patch protects
the BL31 memory range from non-secure read/write access.

Change-Id: I442fb92b667bb2f9a62d471a90508b1ba4489911
Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>

This patch adds support to program TrustZone protection on ARM platforms that
implement a DMC-500. arm_dmc_500.c has been added which implements the
arm_dmc_tzc_setup() function. This function relies on constants related to TZC
programming that are exported by each platform to program TrustZone protection
using the DMC-500 TrustZone controller driver. This function should be called
from plat_arm_security_setup() which is implemented by each platform.

Change-Id: I5400bdee9e4b29155fd11296a40693d512312f29

This patch migrates ARM Standard platforms to the refactored TZC driver.

Change-Id: I2a2f60b645f73e14d8f416740c4551cec87cb1fb

This patch adds support for non-volatile counter authentication to
the Authentication Module. This method consists of matching the
counter values provided in the certificates with the ones stored
in the platform. If the value from the certificate is lower than
the platform, the boot process is aborted. This mechanism protects
the system against rollback.

The TBBR CoT has been updated to include this method as part of the
authentication process. Two counters are used: one for the trusted
world images and another for the non trusted world images.

** NEW PLATFORM APIs (mandatory when TBB is enabled) **

int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr);

    This API returns the non-volatile counter value stored
    in the platform. The cookie in the first argument may be
    used to select the counter in case the platform provides
    more than one (i.e. TBSA compliant platforms must provide
    trusted and non-trusted counters). This cookie is specified
    in the CoT.

int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr);

    This API sets a new counter value. The cookie may be
    used to select the counter to be updated.

An implementation of these new APIs for ARM platforms is also
provided. The values are obtained from the Trusted Non-Volatile
Counters peripheral. The cookie is used to pass the extension OID.
This OID may be interpreted by the platform to know which counter
must return. On Juno, The trusted and non-trusted counter values
have been tied to 31 and 223, respectively, and cannot be modified.

** IMPORTANT **

THIS PATCH BREAKS THE BUILD WHEN TRUSTED_BOARD_BOOT IS ENABLED. THE
NEW PLATFORM APIs INTRODUCED IN THIS PATCH MUST BE IMPLEMENTED IN
ORDER TO SUCCESSFULLY BUILD TF.

Change-Id: Ic943b76b25f2a37f490eaaab6d87b4a8b3cbc89a

This patch adds an option to the ARM common platforms to load BL31 in the
TZC secured DRAM instead of the default secure SRAM.

To enable this feature, set `ARM_BL31_IN_DRAM` to 1 in build options.
If TSP is present, then setting this option also sets the TSP location
to DRAM and ignores the `ARM_TSP_RAM_LOCATION` build flag.

To use this feature, BL2 platform code must map in the DRAM used by
BL31. The macro ARM_MAP_BL31_SEC_DRAM is provided for this purpose.
Currently, only the FVP BL2 platform code maps in this DRAM.

Change-Id: If5f7cc9deb569cfe68353a174d4caa48acd78d67

Added a new platform porting function plat_panic_handler, to allow
platforms to handle unexpected error situations. It must be
implemented in assembly as it may be called before the C environment
is initialized. A default implementation is provided, which simply
spins.

Corrected all dead loops in generic code to call this function
instead. This includes the dead loop that occurs at the end of the
call to panic().

All unnecesary wfis from bl32/tsp/aarch64/tsp_exceptions.S have
been removed.

Change-Id: I67cb85f6112fa8e77bd62f5718efcef4173d8134

This patch adds big core ARMPLL control in system suspend flow.

Change-Id: I27a45dbbb360f17ff0b524a125630358ee2277e2
Signed-off-by: Louis Yu <louis.yu@mediatek.com>
Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>