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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

Add delay timer implementation based on the system generic counter.
This either uses the platform's implementation of
`plat_get_syscnt_freq()` or explicit clock multiplier/divider values
provided by the platform.

The current implementation of udelay has been modified to avoid
unnecessary calculations while waiting on the loop and to make it
easier to check for overflows.

Change-Id: I9062e1d506dc2f68367fd9289250b93444721732

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

Hw crypt v3

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>

Rockchip: Add some debug assertions in the PMU driver

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

Change-Id: I96ee81d14834c1e92cdfb7e60b49995cdacfd93a

rockchip: support the suspend/resume for rk3399

Refactor MediaTek platform common code

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>

FVP: Remove VE memory map support and change default GIC driver

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

Emmc v3

In a lot of embedded platforms, eMMC device is the only one storage
device. So loading content from eMMC device is required in ATF.

Create the emmc stack that could co-work with IO block driver.
Support to read/write/erase eMMC blocks on both rpmb and normal
user area. Support to change the IO speed and bus width.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

Add MAX_IO_BLOCK_DEVICES in porting guide. It's necessary to define
this macro to support io block device. With this macro, multiple
block devices could be opened at the same time. Each block device
stores its own state.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

FIP is accessed as memory-mapped type. eMMC is block device type.
In order to support FIP based on eMMC, add the new io_block layer.

io_block always access eMMC device as block size. And it'll only
copy the required data into buffer in io_block driver. So preparing
an temporary buffer is required.

When use io_block device, MAX_IO_BLOCK_DEVICES should be declared
in platform_def.h. It's used to support multiple block devices.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>

Doc: Fix the path to the xlat lib

fip_create: Fix exit status for missing output filename (2)

Fix computation of L1 bitmask in the translation table lib

The translation table library code has moved from lib/aarch64/ to
lib/xlat_tables/ since commit 3ca9928d but the Porting Guide still
points to the old location. This patch fixes this issue.

Change-Id: I983a9a100d70eacf6bac71725ffbb4bb5f3732b0

Change-Id: I0d298eea9eaf47121c87637c7395e5d9868aa272

This patch fixes the computation of the bitmask used to isolate
the level 1 field of a virtual address. The whole computation needs
to work on 64-bit values to produce the correct bitmask value.
XLAT_TABLE_ENTRIES_MASK being a C constant, it is a 32-bit value
so it needs to be extended to a 64-bit value before it takes part
in any other computation.

This patch fixes this bug by casting XLAT_TABLE_ENTRIES_MASK as
an unsigned long long.

Note that this bug doesn't manifest itself in practice because
address spaces larger than 39 bits are not yet supported in the
Trusted Firmware.

Change-Id: I955fd263ecb691ca94b29b9c9f576008ce1d87ee

Conditionally compile `plat_get_syscnt_freq()` in ARM standard platforms

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

Validate psci_cpu_on_start() arguments

rockchip: fixes for the required

Move `plat_get_syscnt_freq()` to arm_common.c

The "end power level" value passed as the 3rd argument to the
psci_cpu_on_start() function is not used so this patch removes it.

Change-Id: Icaa68b8c4ecd94507287970455fbff354faaa41e

This patch introduces some debug assertions in the function
psci_cpu_on_start() to check the arguments it receives are
valid.

Change-Id: If4d23c9f668fb46f2d18c5e2ed1929498cc6736b

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>

Cortex-A57 errata workarounds

Limit support for region overlaps in xlat_tables

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

This patch adds links to the Cortex-A53 and Cortex-A57 MPCores
Software Developers Errata Notice documents in the ARM CPU Specific
Build Macros document.

Change-Id: I0aa26d7f373026097ed012a02bc61ee2c5b9d6fc

Change-Id: I86ac81ffd7cd094ce68c4cceb01c16563671a063

Change-Id: Icaacd19c4cef9c10d02adcc2f84a4d7c97d4bcfa