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Updated the minor version to '4' to indicate 2.4 release

Change-Id: Ib142fa15baeb43025fae371c7649199b8121c18f
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

Change-Id: I67c9db2fc6d4b83fec2d001745b9305102d4a2ae
Signed-off-by: Chris Kay <chris.kay@arm.com>

This patch fixes the following compilation error
reported by aarch64-none-elf-gcc 11.0.0:

bl32/tsp/tsp_main.c: In function 'tsp_smc_handler':
bl32/tsp/tsp_main.c:393:9: error: 'tsp_get_magic'
 accessing 32 bytes in a region of size 16
 [-Werror=stringop-overflow=]
  393 |         tsp_get_magic(service_args);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
bl32/tsp/tsp_main.c:393:9: note: referencing argument 1
 of type 'uint64_t *' {aka 'long long unsigned int *'}
In file included from bl32/tsp/tsp_main.c:19:
bl32/tsp/tsp_private.h:64:6: note: in a call to function 'tsp_get_magic'
   64 | void tsp_get_magic(uint64_t args[4]);
      |      ^~~~~~~~~~~~~

by changing declaration of tsp_get_magic function from
void tsp_get_magic(uint64_t args[4]);
to
uint128_t tsp_get_magic(void);
which returns arguments directly in x0 and x1 registers.

In bl32\tsp\tsp_main.c the current tsp_smc_handler()
implementation calls tsp_get_magic(service_args);
, where service_args array is declared as
uint64_t service_args[2];
and tsp_get_magic() in bl32\tsp\aarch64\tsp_request.S
copies only 2 registers in output buffer:
	/* Store returned arguments to the array */
	stp	x0, x1, [x4, #0]

Change-Id: Ib34759fc5d7bb803e6c734540d91ea278270b330
Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>

This errata workaround did not work as intended and was revised in
subsequent SDEN releases so we are reverting this change.

This is the patch being reverted:
https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/4684

Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I560749a5b55e22fbe49d3f428a8b9545d6bdaaf0

Fix a number of typos and misspellings in TF-A
documentation and comments.
Signed-off-by: David Horstmann <david.horstmann@arm.com>
Change-Id: I34c5a28c3af15f28d1ccada4d9866aee6af136ee

Provide missed command line parameters such as KEY_ALG, HASH_ALG
and KEY_SIZE while generating the FWU certificate.
Signed-off-by: Gilad Ben Yossef <Gilad.BenYossef@arm.com>
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I017fa3fff844f4262ae2441cbc9fee909d357fb3

* changes:
  intel: common: Fix non-MISRA compliant code v2
  intel: mailbox: Fix non-MISRA compliant code
  intel: mailbox: Mailbox error recovery handling
  intel: mailbox: Enable sending large mailbox command
  intel: mailbox: Use retry count in mailbox poll
  intel: mailbox: Ensure time out duration is predictive
  intel: mailbox: Read mailbox response even there is an error
  intel: mailbox: Driver now handles larger response
  intel: common: Change how mailbox handles job id & buffer
  intel: common: Improve readability of mailbox read response
  intel: SIP: increase FPGA_CONFIG_SIZE to 32 MB
  intel: common: Remove urgent from mailbox async
  intel: common: Improve mailbox driver readability

Currently, when RECLAIM_INIT_CODE is set, the
stacks are scaled to ensure that the entirety
of the init section can be reclaimed as stack.

This causes an issue in lib/psci/aarch64/psci_helpers.S,
where the stack size is used for cache operations in
psci_do_pwrdown_cache_maintenance(). If the stacks
are scaled, then the PSCI code may fail to invalidate
some of the stack memory before power down.

Resizing stacks is also not good for stability in general,
since code that works with a small number of cores may
overflow the stack when the number of cores is increased.

Change to make every stack be PLATFORM_STACK_SIZE big,
and allow the total stack to be smaller than the
init section.

Any pages of the init section not reclaimed as
stack will be set to read-only and execute-never,
for security.

Change-Id: I10b3884981006431f2fcbec3864c81d4a8c246e8
Signed-off-by: David Horstmann <david.horstmann@arm.com>

* changes:
  intel: common: Clean up mailbox and sip header
  intel: clear 'PLAT_SEC_ENTRY' in early platform setup

* changes:
  mediatek: mt8192: add timer support
  mediatek: mt8192: Add reboot function for PSCI
  mediatek: mt8192: add sys_cirq driver
  mediatek: mt8192: add GPIO driver support

add timer driver.
Signed-off-by: Dehui Sun <dehui.sun@mediatek.com>
Change-Id: I07448d85a15bb14577b05e4f302860d609420ba7

Add system_reset function in psci ops

Change-Id: If85be70b8ae9d6487e02626356f0ff1e78b76de9
Signed-off-by: Nina Wu <nina-cm.wu@mediatek.com>

1.add sys_cirq driver
2.add gic api for cirq

Change-Id: Ie6802d6ddcf7dde3412a050736dfdc85f97cb51b
Signed-off-by: gtk_pangao <gtk_pangao@mediatek.com>

When issuing barrier instructions like DSB or DMB, we must make sure
that the compiler does not undermine out efforts to fence off
instructions. Currently the compiler is free to move the barrier
instruction around, in respect to former or later memory access
statements, which is not what we want.

Add a compiler barrier to the inline assembly statement in our
DEFINE_SYSOP_TYPE_FUNC macro, to make sure memory accesses are not
reordered by the compiler.
This is in line with Linux' definition:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/include/asm/barrier.h



Since those instructions share a definition, apart from DSB and DMB this
now also covers some TLBI instructions. Having a compiler barrier there
also is useful, although we probably have stronger barriers in place
already.

Change-Id: If6fe97b13a562643a643efc507cb4aad29daa5b6
Reported-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

This patch is used to fix remaining non compliant code for Intel
SoCFPGA's mailbox and sip driver. These changes include:
- Change non-interface required uint32_t into unsigned int
- Change non-negative variable to unsigned int
- Remove obsolete variable initialization to 0
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I3a16c7621a5fc75eb614d97d72e44c86e7d53bf5

This patch is used to fix remaining non compliant code for Intel
SocFPGA's mailbox driver. These changes include:
- adding integer literal for unsigned constant
- fix non-boolean controlling expression
- add braces even on conditional single statement bodies
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I0f8fd96a3540f35ee102fd2f2369b76fa73e39e1

Attempt to restart the mailbox if the mailbox driver not able
to write any data into the mailbox command buffer.
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Change-Id: Ia45291c985844dec9da82839cac701347534d32b

Allow mailbox command that is larger than mailbox command FIFO buffer
size to be sent to SDM in multiple chunks.
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I683d5f1d04c4fdf57d11ecae6232b7ed3fc49e26

Change the main loop inside mailbox poll function from while(1) to a
retry counter named sdm_loop. This is to limit the maximum possible
looping of the function and prevent unexpected behaviour.
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I63afad958fe5f656f6333b60d5a8b4c0ada3b23d

For each count down of time out counter, wait for number of
miliseconds to ensure the time out duration is predictive.
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Change-Id: I0e92dd1ef1da0ef504ec86472cf0d3c88528930b

Mailbox driver should read the response data if the response length
in the response header is non-zero even the response header indicates
error (non-zero).
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Change-Id: I928f705f43c0f46ac74b84428b830276cc4c9640

This patch factorizes mailbox read response from SDM into a function.
Also fix the logic to support reading larger than 16 words response from
SDM.
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: Ie035ecffbbc42e12dd68061c403904c28c3b70e5

This patch modifies several basic mailbox driver features to prepare for
FCS enablement:
- Job id management for asynchronous response
- SDM command buffer full
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I78168dfb6c521d70d9cba187356b7a3c8e9b62d2

add GPIO driver

Change-Id: I67a9abef078e7a62b34dfbd366b45c03892800cd
Signed-off-by: Po Xu <jg_poxu@mediatek.com>

Sort and rearrange definitions in both mailbox and sip header to
increase readability and maintainability.
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I5544c2f17efdf3174757c55afd8cc1062fbae856

Rename variables to improve readability of mailbox read response and
mailbox poll response flow.
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: Icd33ff1d2abb28eeead15e4eb9c7f9629f8cb402

Ensure 'PLAT_SEC_ENTRY' is cleared during early platform
setup. This is to prevent the slave CPU cores jump to the stale
entry point after warm reset when using U-Boot SPL as first
stage boot loader.
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Change-Id: I3294ce2f74aa691d0cf311fa30f27f9d4fb8800a

Increase INTEL_SIP_SMC_FPGA_CONFIG_SIZE from 16 to 32MB. We need higher
pre-reserved memory size between Intel service layer and secure monitor
software so we can handle JIC file authorization.
Signed-off-by: Richard Gong <richard.gong@intel.com>
Change-Id: Ibab4e42e4b7b93a4cf741e60ec9439359ba0a64c

Remove urgent argument from asynchrounous mailbox command as any urgent
command should always be synchronous
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: Iaa64335db24df3a562470d0d1c3d6a3a71493319

Use pre-defined macros for return values and common mailbox arguments
Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I5d549ee5358aebadf909f79fda55e83ee9844a0e