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The RK3399 supports close the center logic enter power mode,
so we can close PD_CENTER to save more power during suspend.
Therefore, we need to support save/restore the DDR PHY and
controller registers during suspend/resume.

Also, need CL (http://crosreview.com/397399

) to check disabling
center logic.

Change-Id: I288defd8e9caa3846d9fa663a33e4d51df1aaa5d
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>

This patch intend to support save the registers of the DDR controller
and PHY before suspend, and restore them after resume.

Change-Id: Ia10b476c0b837628ac0f365416a7118292753e96
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Signed-off-by: Caesar Wang <wxt@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>

The CRU_CLKSEL_COUNT value is 108, not 0x108.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Change-Id: Ib9db066b8b3ecafcee7f645dd5633b55a808e3d7

As the new RK3399TRM v1.1, there are some wrong set for CRU_CLKSEL_CON
register.

As the CRU_CLKSEL_CON96～107 high 16-bit isn't write mask and the
CRU_CLKSEL_CON offset is 0x100,not 0x80.

Change-Id: Ie127e9de74b87100af9a0150aad43e89e4972529

add dram driver, and kernel can through sip function talk to bl31 to
do ddr frequency scaling. and ddr auto powerdown.

Change-Id: I0d0f2869aed95e336c6e23ba96a9310985c84840

This patch updates some things for rk3399, as following:

1) Add the new file to handle the pwm. (e.g. the pwm regulator)
Make sure that good deal with the pwm related things.
Also, remove some pwm setting for pmu.c.

2) Set the plls slow mode and bypass in suspend, and restore them.

Change-Id: I112806700bf433c87763aac23d22fa7e6a7f5264

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

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 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>