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Add changes for tc0-2022.02.25 release

See merge request !32

Added VOLTAGE_PROTOCOL as supported protocols.
Changed implementation version from 2.8 to 2.9
Replaced performance domain name MAKALU with MATTERHORN.
Replaced voltage domain names from USB to DUMMY_VOLTD.
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

Update README.md with SCMI V3 now.

See merge request !31

Added SCMI v3 Tests.

See merge request !30

Signed-off-by: Nitin Sharma <nitin.sharma3@arm.com>

Signed-off-by: Nitin Sharma <nitin.sharma3@arm.com>

Replace MATTERHORN with MAKALU

See merge request !29

Since expected performance_domain_names changed for
TC1, therefore modified these values.
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

TC: Update implementation version from 2.7 to 2.8

See merge request !28

Signed-off-by: Shruti Aggarwal <shruti.aggarwal2@arm.com>

Replace HARDWARE with TARGET and TC0 with TC

See merge request !27

Since SGM/TC test are run on FVP, therefore replaced HARDWARE
with TARGET.
Replaced TC0 with TC because TC0 implies Total Compute 2020.
Signed-off-by: Shruti Aggarwal <shruti.aggarwal2@arm.com>

Since Mailbox driver is same for TC0 and SGM, so renamed guide_sgm_testing.md into guide_linux_testing.md

See merge request !26

Since Mailbox driver is same for TC0 and SGM, so renamed guide_sgm_testing.md into guide_linux_testing.md
Updated SGM reference also from coresponding files

Updated user_guide.md for the same
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

perf/test_d007: Update logic for intermediate level

See merge request !25

Test 007 iterates over the performance levels discovered to find min,
max and intermediate. The intermediate level is chosen to be the second
one found. In domains where there are only 2 levels the intermediate
level is in fact the max.
In further tests, the intermediate level is chosen to replace the max,
while effectively the value used is the max, thus nullifying the test
case.

This patch adds an extra check to pick the minimum level as
intermediate when a performance domain exposes only two levels.
Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Change-Id: If952eaf6a64168c00a7ba7ef75c5a3adf6aee0ef

Add TC0 hardware under Linux platform

See merge request !24

Introduced TC0 hardware as one of the supported Linux platforms.
Restructured the directories under linux directory, and moved
"transport_mailbox.c" to common directory, since it is common
to both SGM776 and TC0 hardware.
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

Add new option for hardware in Makefile

See merge request !23

Now only sgm776 has linux platform. We expect
more hardware in future to have same platform.
Therefore, added a new option: HARDWARE

Updated user_guide.md for the same
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

This is a fix for handling the return values from the performance_domain_attributes correctly

See merge request !22

Changed format specifier from %d to %u to print RATE_LIMIT, SUSTAINED_FREQUENCY and SUSTAINED_LEVEL correctly
Signed-off-by: Monalisa Jena <monalisa.jena@arm.com>

 Removed mandatory check for SYSTEM_POWER_NOTIFY command

 * Removed mandatory command check for SYSTEM_POWER_NOTIFY command

SCMI 2.0 EAC release

Fix test_b010 parameter count

As stated by the scmi testlist documentation, test_b010 is testing for
an invalid command by first issuing it, and then by verifying the
return status code from the PROTOCOL_MESSAGE_ATTRIBUTES command.

https://github.com/ARM-software/scmi-tests/blob/master/docs/scmi_testlist.md



The PROTOCOL_MESSAGE_ATTRIBUTES requires the message_id to be forwarded
as an argument, hence the num_parameter in the val_send_message should
be set to 1 to make sure the message is constructed with the appropriate
length.
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>

SCMI ACK v2.0 Alpha Release code

Updates SCP version and user guide for Juno

Signed-off-by: Mahesh Bireddy <mahesh.reddybireddy@arm.com>

Updates Juno expected values as per the latest SCP version

Signed-off-by: Mahesh Bireddy <mahesh.reddybireddy@arm.com>

Bug fix: Adds support per-clock return format to clock protocol

Signed-off-by: Mahesh Bireddy <mahesh.reddybireddy@arm.com>