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This reverts commit b6dcbf58

.

This function wasn't used when it was removed, but it is needed to
compile the new changes proposed for Rockchip platforms.

Change-Id: Ia5bfe1f8398e08431f96923e2f059a83e5cb78d4
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

To make software license auditing simpler, use SPDX[0] license
identifiers instead of duplicating the license text in every file.

NOTE: Files that have been imported by FreeBSD have not been modified.

[0]: https://spdx.org/



Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>

The rockchip_pd_pwr_down_wfi function is currently unused, which may
trigger compiler warnings or errors. Remove it.

Change-Id: I7e1b0ae092e8855528ac2065ecefc8bd45305f31
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

Remove struct rockchip_pm_ops_cb and instead of using weak functions
implement; in this way we want the codes look clear and simple;

Change-Id: Ib9e8a5e932fdfc2b3e6a1ec502c40dfe720ac400
Signed-off-by: tony.xie <tony.xie@rock-chips.com>

Due to the PMU design, the PMU may not clear the WAKEUP bit after
wakeup, therefore, the state machine at the power mode may enter
the infinite loop during WFI.

There is a solution that we can use the M0 to monitor the WAKEUP
bit and clear it during power mode, then the state machine will be
recovered immediately. Then, the DUT can exit the WFI normally.

Change-Id: I303628553b728c214bf2d436bd3122032b5e669c
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>

As the checkpatch reports the warning or error.

plat/rockchip/common/plat_pm.c:96:
ERROR: do not set execute permissions for source files
plat/rockchip/rk3399/drivers/pmu/pmu.c:294:
ERROR: do not set execute permissions for source files

plat/rockchip/common/plat_pm.c:286: WARNING: line over 80 characters
plat/rockchip/common/plat_pm.c:287: WARNING: line over 80 characters

Change-Id: Ib347da21c56551c31df3f90f03777b13c75d5c26

As rk3399 reported the d8/octane scores drop 10% with cpu idle.
The root cause is thc cpu cluster enter the slow mode.
We don't need switch the clock to 24MHz if cpu cluster enter the
retention mode. In order to improve performance, it just needs for
cluster enter powering off mode.

Also, we shouldn't do anything for hlvl if the system is off.

Change-Id: I2a02962a01343abd0cba47ed63192c1cdf88b119

For the PMU design, we don't expect to get the interrupts before enter
the power mode. Since that will cause the confusion for the state
machine in the power mode.

Change-Id: Id8dee79ae617a66271b5caf92caf35f520f45099

1.Fixes the suspend/resume some bugs.
2.Add the power domain for saving power consumption.
3.Add cpu clusters suspend for rk3399 SoCs

Change-Id: Id602779016b41d6281f4ba40a20229d909b28e46

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

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>

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>