[HACK] iommu/exynos: fix compile error

Change-Id: Iff1e5c745b0065e7a2bff2c29f5dd3fffd69485e
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: fix prevent issue

This patch fixed below prevent issue which are other violation types.

CID 201989,201988,201971,201965,201958,201937,201925,201912,200894

Change-Id: Ic43a796b3f159a8f6cd36756b5e7b42df97a1ec2
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: separate register access file

H/W access codes are separated into exynos-iommu-reg.h.

Change-Id: Ifcb239ba84f2545ae9174adc531248843265e56f
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add sysmmu operation logging

Sysmmu operation logging is added that would be useful for unexpected
situation.

Change-Id: I3d8381cdb8eb1a80f9e52c685affa885c613a73e
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add slot property setting

This patch added parsing DT about slot properties, and parsed
information is used at the beginning of sysmmu.

Change-Id: I1148177911eff50ee71282c4bba508368b1a4a0b
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add TLB port setting

To support TLB port setting, parsing device tree and setting code are
added.

Change-Id: I63f5854d4d23f2aabb4fe9a4a68a35b8902ab6fd
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add TLB match type flags

TLB match type can be different by the supported version.
This patch reads supported feature from H/W, and calls handling function
for each type.

Change-Id: Id674fa9687c4a3839c2dcfa04061c2c8386a4c34
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: remove __initconst for sysmmu_of_match table

KASAN reported use-after-free case like below.
To avoid this case, __instconst is removed.

BUG: KASAN: use-after-free in __of_match_node+0xb0/0x104 at addr
ffffffc002653338
Read of size 1 by task kworker/u16:0/6
page:ffffffbdc00994c0 count:0 mapcount:0 mapping:          (null)
index:0x1
flags: 0x0()
page dumped because: kasan: bad access detected

.. < skip > ..

Workqueue: deferwq deferred_probe_work_func
Call trace:
[<ffffffc0000e7140>] dump_backtrace+0x0/0x21c
[<ffffffc0000e7370>] show_stack+0x14/0x1c
[<ffffffc0007a4dc8>] dump_stack+0xa8/0xe8
[<ffffffc000393e04>] kasan_report+0x468/0x484
[<ffffffc000393e38>] __asan_report_load1_noabort+0x18/0x20
[<ffffffc00125f65c>] __of_match_node+0xb0/0x104
[<ffffffc00125f6e8>] of_match_node+0x38/0x5c
[<ffffffc00125ff3c>] of_match_device+0x50/0x5c
[<ffffffc000b0fa5c>] platform_match+0x9c/0x1c4
[<ffffffc000b0be84>] __device_attach_driver+0x100/0x180
[<ffffffc000b08bb0>] bus_for_each_drv+0x15c/0x164
[<ffffffc000b0b584>] __device_attach+0x198/0x208
[<ffffffc000b0c180>] device_initial_probe+0x10/0x18
[<ffffffc000b09020>] bus_probe_device+0x98/0x190
[<ffffffc000b0ac78>] deferred_probe_work_func+0xd4/0xec
[<ffffffc000145428>] process_one_work+0x978/0x1208
[<ffffffc00014636c>] worker_thread+0x654/0x824
[<ffffffc0001524fc>] kthread+0x240/0x250
[<ffffffc0000dde30>] ret_from_fork+0x10/0x20
Memory state around the buggy address:

Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>
Change-Id: Ibc46808a38b0db3f9cc62a1e106022fa9383dd20

[COMMON] iommu/exynos: display sysmmu name when fault occurred

In case of sysmmu page fault, it was difficult to distinguish the owner
of invalid request. This patch displays sysmmu name to improve
readability.

Change-Id: I2a11a503c4ad64eaa819e8f76640c3dffc999d00
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: alloc page table entry with gfp mask

Page table entry can be allocated with GFP_KERNEL if mapping request is
passed by iommu_map(), because it is outside of spinlock boundary.

Change-Id: I59fc5666597ee41f060bccfe91772c603acf9a12
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: force non-shareable for non-cached buffers

exynos_iovmm_map_userptr() migrates the given userspace mapping to the
device virtual address space. If the given mapping is uncached or
writecombine, cache lines that are allocated to some part of the given
range can be stale. Therefore the mapping is not cached, the mapping
to the System MMU page table should also be non-shareable.

Change-Id: I748ae92525c916d580cb55f9deeb9c43f03a6386
Signe-off-by: Cho KyongHo <pullip.cho@samsung.com>

[COMMON] iommu/exynos: fix possible NULL pointer dereference

find_vma() may return NULL. It should be checked even though
exynos_iovmm_map_userptr() requires the callers to acquire mmap_sem.

SVACE WGID 87553

Change-Id: Ice3239234dc46177bce5963444f0c4cbc094fe40
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>

[COMMON] iommu/exynos: implement API to show status

exynos_sysmmu_show_status() provides information of sysmmu status.

Change-Id: Ia448f085acd3b7d605941481f7799899940420f3
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: support no-suspend feature

This patch supports no-suspend mode that not to disable sysmmu when it
is going to suspend state. It is necessary for the master driver like
abox that should operate in suspend mode.

Change-Id: I1ff1ccd83997f3852d5b962767c43bc0d6cd6819
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: check condition before pointer access

Fix Svace : 64214, 64219

Change-Id: I5ab4d2e84d4a510693978b6aac97ebf8c037119e
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add shareablity setting in iommu_map

Current exynos iommu driver supports shareability setting by userptr
case only, and prot was ignored in case of iommu_map().
This patch enables shareability setting for iommu_map().

Change-Id: I5431a029746b5d9b89ceb8d4b0a6b2190e8d43e6
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: support secure sysmmu interrupt

Abnormal situation like page fault can be happened when sysmmu is
operating in secure context. To ease debugging with maintaining secure
state, secure interrupt handler is added. In this handler, useful
information of sysmmu status can be obtained through exynos_smc().

Change-Id: I066f70f655e41eda9ba5d7f2d8dd83f1cea94176
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: fix overflow check condition

Considering 32bit dma address, overflow checking condition is fixed.

Change-Id: I98066be8a219f9a26e076b2f64285455f48d057d
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] include: add definition for prefetch read/write

Change-Id: Ibac9935d7ed568bcc62845643e7fb00af003f926
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] include: add definition for TLB port setting

Change-Id: I49560e481edc20b8134861f9314cbda19cb48925
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: parsing DT for sysmmu properties

Sysmmu properties that read from DT are parsed and stored into driver
data.

1) QoS property is defined like below in DT.
sysmmu_node:
qos = <4>;

2) TLB properties are defined like below in DT.
sysmmu_node:
sysmmu,tlb_property =
<PRIV_WAY_CFG ID SYSMMU_ID(X)>,
<PRIV_WAY_CFG ID SYSMMU_ID(X)>,
<PUBLIC_WAY_CFG SYSMMU_NOID>;
Refer to include/dt-bindings/sysmmu/sysmmu.h for detailed definitions.

Change-Id: Ibdca6081351e997ba3a01f0173c751d30bb69a1d
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add dma-window property parsing

Each domain may need different dma ranges for client device's
requirement. 'dma-window' property specifies dma ranges
for each domain.

This property is optional, so if it doesn't exist,
default dma ranges from 0x10000000 to 0xD0000000 are used.

If this property is used, address and size cells should be described.
Below is an example.

iommu-domain_something {
compatible = "samsung,exynos-iommu-bus";

#dma-address-cells = <1>;
#dma-size-cells = <1>;
/* start address, size */
dma-window = <0x10000000 0xC0000000>;

domain-clients = <&something>;
};

Change-Id: I2765f8a4a6b142475c5de80aa73234bef0bd3248
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add dump of TLB status

Dumping TLB status and TLB set/way information are added to provide
useful information in sysmmu status dumping

Change-Id: I37bfdfbd1baa2c6f10275c93f3d43b055ad0b6e7
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: support fault handler for v7

Reading interrupt status and displaying information are changed to
support sysmmu v7.

Change-Id: I29acc8fd8427933a58a2330526f74f283a0d2d01
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: fix return value in attach_dev

IOMMU framework considers error if attach_dev returns non-zero value.
If sysmmu is already enabled by other master device, return value can be
one, which means already enabled. It is normal situation, so return
value is changed to zero in this case.

Change-Id: I4a344cedc2d3729de3b46c9c1cf0f6e44072d2a5
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] exynos/iommu: add suspended state

This patch added suspended state that becomes true when sysmmu goes to
suspend state. No SFR access is allowed if sysmmu is in suspended.

Without suspended state, some operation involving SFR access like tlb
invalidation would make external abort because it only checks internal
reference count before SFR access, and internal reference count is
remained after sysmmu becomes suspend state.

Change-Id: I7460e8b0b96de5f46584cc299dc2e659fc34da44
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add fault handler API

By fault handler API, master driver can register their own fault handler
that would be called when related sysmmu fault occurred.
In fault handler, master driver can print out their useful information
like SFR for debugging.

Change-Id: Ica6b7df8108d3165a7e1a3632aba027f328d1ecf
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add iova_to_phys

iova_to_phys() is implemented to return physical address from iova.

Change-Id: I0e0d0f91231889efadb10a18b1e07d60b01ce1dc
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: remove rpm-enabled check in suspend/resume

After removing CONFIG_PM_RUNTIME, pm_runtime_enabled() always returns
zero because sysmmu driver calls pm_runtime_enable() at probe time.
It results SFR access in suspend/resume callback even though power block
is off. To avoid SFR access, condition checking by pm_runtime_enabled()
is removed by this patch.

Change-Id: I2afea1ad4b3bdc57cb50d71423e44358b3023696
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add userptr map/unmap

user virtual address mapping/unmapping should be supported.

Change-Id: Iff0398588a1d295d86ea9285303a558453f0baba
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add sysmmu irq handler

Sysmmu interrupt occurred when sysmmu detected illegal request.
Sysmu irq handler displays detected fault type and related information.

Change-Id: Ie12909182f722f85480a285fc05573ad5af7759a
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add cache sync operation

Cache sync operation for device and cpu is added.

Change-Id: I6167a51997d50978e1bc22bbe2c1c33a18cf0666
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add temporal function for master driver

Frequently used function for master driver is added temporally to avoid
compile error.

Change-Id: Ieb3986467e9fadcc77aee01f40bb5e9e7d7c04c8
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add iommu group for each domain

iommu group is not important for exynos iommu driver, however, without
iommu group, getting domain from master device is failed.
This patch added one to one relationship for iommu group and domain.

Change-Id: Ia31bd028226e228c14091cd8ec5ee0412155228d
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add suspend/resume callback

To support suspend and resume of APM, suspend and resume callback is
added to disable and enable sysmmu properly.

Change-Id: Ie2cf804b50219c1c820de794fe2e6aad68ae3d94
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: runtime suspend/resume callback

Sysmmu operation is implicitly enabled and disabled when master device
turned on the power and off the power.

This patch replaces runtime pm suspend/resume callback of platform bus
with exynos_iommu_runtime_suspend/resume that added sysmmu handling.

Change-Id: I5e5e1f5fb485a9943c84c0e6a379b8720de57094
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add tlb invalidation

TLB invalidation is mandatory when page table entry is added or removed.
Without this, sysmmu might translate wrong address results.

Change-Id: I3fe24d211256b8f503d1fbabc78dc3f6790faf4e
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add map/unmap

mapping makes page table entry to translate virtual address to physical
address. unmapping removes page table entry.

Change-Id: I82c053b40868deba948c60affd96074661987f15
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add sysmmu enable/disable

Sysmmu checks activation status and runtime activation by master
driver to control properly.
At enabling time, sysmmu configuration and page table are set.
At disabling time, sysmmu is blocked and disabled.

Change-Id: Ia8cfee103bdb259d295c18edb7d3b033f85c2662
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add attach/detach device

Client device is attached to domain by attach_device.
It enables sysmmu for all clients that attached to domain.
Client device is detached from domain by detach_device.
All enabled sysmmus for clients are disabled.

Change-Id: Ib261369344516ee034a3fae0498137f983ca5bd6
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add domain alloc/free

iommu domain represents virtual address spaces for client device.
domain_alloc creates page table for each domain and initialize domain
related data structures.
domain_free cleans up attached client list and releases domain related
information.

Change-Id: I61d6621c5598be459e963ecdb58711fc76d083ed
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: of_xlate for master and sysmmu

of_xlate is called when master device is added.
Purpose of of_xlate is making relationship between master and sysmmu
devices. Domain and client relationship is also created at this time.

Change-Id: I4b7f5a2d9d1237b61beee1a6f216ef39c60df722
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add probe function

resources like SFR and IRQ are registered and main structure for sysmmu
is created in probe function.

Change-Id: I3266acf9b97bea4395804a5bf1f814c7b0f4815f
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: creating iommu domain

iommu domain is created at booting time and it parses device tree with
"samsung,exynos-iommu-bus" to clarify relationship between domain and
client devices. At this time, client device is not added yet, so parsed
informations are stored into exynos_client_list for later.

Change-Id: I7928fbdf0898fef2b9e9004e3b45c3520c2c1c18
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: enable IOVMM

IOVMM is Exynos I/O Virtual Memory Manager.
It manages device virtual address region like allocation and free.
IOVMM is connected with exynos iommu domain.

Some dummy function is added in exynos-iommu to avoid compilie error.

Change-Id: Icdd0fe1acc81240b97361ae495276d920c129ad9
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add initialization

This is the starting point for exynos iommu driver.
It registers sysmmu driver and iommu api to platform_bus_type.

Change-Id: Iae165ce448ab4334ca956c5c2aaaa6bbe4997d7a
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: add skeleton exynos iommu driver

Basic structures for domain, master and sysmmu are defined.
Skeleton functions of iommu_ops are added.

Change-Id: I501f6a82357a1e37e3d14bbb0f2c7ad4c516090f
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[COMMON] iommu/exynos: remove exynos-iommu.c

Original file is removed.

Change-Id: Ibe28c914b294d22326222dbf994511dbc7a80e52
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>

[9610][ERD] arm64: config: Fix CONFIG_NR_CPUS

Change-Id: Iec2fb5cbbf63e82769c6caf4f8cbe3372a6eb89f
Signed-off-by: Jaehyoung Choi <jkkkkk.choi@samsung.com>

Revert "[HACK] remove clock setting code"

This reverts commit c6d418b50aeb5fedbbac7ce5e4a120c4757c00f3.

[9610][ERD] arm64: config: Enable config related to full treble

Change-Id: If5076d25a6c1ec00192268f704ae0e1cb82e54e0
Signed-off-by: Jaehyoung Choi <jkkkkk.choi@samsung.com>

[COMMON] soc: samsung: fix build error

This patch fixes build error as below.
 - fix build error when exynos_pd is disabled.
 - add sched clock header prevent build error.

Change-Id: Ibcc337660f066a45ee6d10dcb4794dd0d87b38e0
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

[COMMON] soc: samsung: add bcm config

Change-Id: I0a202641d8d079be63ee5d36eb5f889ce900dfd0
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

[COMMON] soc: samsung: bcm: remove setting iotable.

Change-Id: I319d57b0011da2c519717fba01084187fc0489c0
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] bcm: add header for slab

Change-Id: I02cc719350a91cd78d1685e1d4c75fac97e61f8c
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

[COMMON] bcm: fix stack overflow possibility.

Change-Id: Ia87174a7f0f04dfaf2e03935f66348ec1119d50b
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[common] bcm: unlimit log size in panic

Change-Id: I0502681f657dffdf3c952ca6a086dc15d896d4d5
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] bcm: panic log size increase

Change-Id: Ie387592a4bc88a859a91633e2b8fcfdedf1de344
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] bcm: enable bcm panic logging

Change-Id: I474702088501f6aaba2a2cab733cdd183ef2de4b
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] bcm: split print log buffer to support long sentences

Change-Id: I110ea98f5be98c7bf12359884063308dbaf2ab5a
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] soc: samsung: Add the bcm driver

Change-Id: Ibe3ce4189b269d21fb9781160b6c119dcdb82e07
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[9610] arm64: dtsi: add pdma device node

Change-Id: I587f504d44c3651472ca3d20ca51c18bdc63de93
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

change dma_attrs to unsigned long

Due to patch "dma-mapping: use unsigned long for dma_attrs",
dma_attrs should be unsigned long to be used.

Change-Id: Ia68dfee7ff5e4b1e89c921e161bb8891c0278e5e
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

arch64: dma: add the dma interface for audio

Change-Id: I8037f12b582668ed6c7fb3031dca768685a909db
Signed-off-by: KangNam Park <kn0710.park@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

[COMMON] pl330: Add exynos_pd config

Change-Id: I5a71d4f6ef5722c3db2204da33e46a2669bf7aff
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

Set CPU Affinity for handling interrupt

When HMP for exynos series is enabled, cpu affinity for
handling interrupt will be set only for little cores.
Otherwise, all cores can catch interrupt and handle it.

Change-Id: Id6a37fd0e7e97ed240c94f47c91d096b5f5211cd
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

dma: pl330: remove unnecessary spinlock

Change-Id: I3e17fd6d5fd90999974de89621d860e229aed4e5
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

dma: pl330: support IRQF_GIC_MULTI_TARGET

Change-Id: I467307919c0bf47421c0d9b52a9306518369cbba
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

dma: of: add multi irq get API for support IRQF_GIC_MULTI_TARGET.

Change-Id: Ie58232a9fe0f1a5228fa8c7505fd30d856873caf
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

[COMMON] dma: Modify dma code for kernel 4.14

Change-Id: Ifaadf8bf3cdf19a126fc109a9da05cdf44c05359
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

samsung: dma: add samsung dma

Change-Id: I817574379d67e5605517dd409cf8f012f59b3653
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

[COMMON] dma: change MCODE_BUFFER size.

Change-Id: Id92b11a013db9cbd20c9715108cf465a0bc82ae0
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

[COMMON] DMA: Add configurable burst length in cyclic mode.

Change-Id: Iaa152f26fac528b9fdb4b125cd5206377c55db54
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

[COMMON] dma: Remove FLUSHP for dev2mem transfer

In Dev2mem transfer, peripheral de-asserts the PERIPHERAL_REQUEST
on the very next clock edge of its finished request because
data transfer is already completed on the peripheral side.

In this case, micro code does not have to do FLUSHP
because there should not be any synchronization issues.

Change-Id: I7370b526759422b1d056f0c54c65899597e327a4
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

Revert "dmaengine: Remove the context argument to the prep_dma_cyclic operation"

This reverts commit 31c1e5a1350ae8d1bc2018f5de8264266d9773e1.

Change-Id: I0d1eb6fe5cf845935d219bcf31c1902c548240b4

dma: svace fix: fix variable type mismatch

WGID: 95862, 96284, 96746, 96796, 97246

Change-Id: I7bfbd10408e7982fe01884435dcb396052c6e42f
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

DMA: svace fix: add type cast code to loop function(WGID: 2490).

Change-Id: Ie2d0d68c975e2c0b8e51330783c577bff1523b37
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

DMA: Support 36bit address when call getposition function.

Change-Id: I542860611c550d25b014e6cb112e64edf94e4e02
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

dma: pl330: add critical section for list operation

Change-Id: I8505ac36fcc13a9d0c376bd4dba7fae6558f50cb
Signed-off-by: Taekki Kim <taekki.kim@samsung.com>

DMA: Fix SFR address when debug log print.

Change-Id: Ib52934854f5d238e60b48e908256552b537d6483
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

DMA: Modify register base address

Change-Id: Ia9e0e042cbbaaf12f5e15b29f5506a15f57de736
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

DMA: svace fix: Add code for handling null (WGID: 58265).

Change-Id: I168bd2e9effaa27ff1bdcdcce946905697f298b9
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

DMA: Add more information to pl330_dma_debug function.

Change-Id: Ideca8099a73ef3aec2ce13af71c37d68ede6228b
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

dma: set mask bit as 36

Change-Id: I4cd8af74c2b2033c0105de4580d19d16381a36f1
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>

dma: Modify FLUSHP instuction for DP audio.

Change-Id: I353a38327e5b5265045547c6ced6c2a072f20a47
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

Revert "dmaengine: pl330: fix bug that cause start the same descs in cyclic"

This reverts commit 0091b9d6c1ef2caab6cb3b6c0aa75f9948307856.

Change-Id: Ideaea8c9a415a544335452f8e6bec969040c02d0

dma: Introduce DMA register dump.

Change-Id: I4316c39a062fb862450c5e3bb9ff21055aade6e0
Signed-off-by: Jaejoon Yoo <joonyj7.yoo@samsung.com>

dma: pl330: clear interrupt flag in dma stop

Change-Id: Ibd286459dfd26d2d2cbdea4f127bf1eaccf646ba
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

DMA: fixed time loop code

Change-Id: I53e9216c0e015709219fb91f1b0cc36a716f13f3
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: restore instruction wrapper register

Wrapper register for instruction address should be restored after power mode.

Change-Id: Icbaf3fe80be32fc496cfdc22dc7ebc34dd00671a
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: of-dma: Support to set number of dma mask bit property.

Change-Id: I329b65fa71cacddbc1be4df5bc32d142a8598c6d
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

DMA: pl330: Fixed wrong operation in pl330 interrupt handler

Channel release operation can occur while running interrupt handler.
It can causes the various side effect. This patch is adding
check usage count to avoid above problem.

Change-Id: I45a68b49837bd5abdb9a7404f2441e94393f2afe
Signed-off-by: Soohyun Kim <soohyuni.kim@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: Added the DMA wrapper control.

Change-Id: Ifaf27560957bd0c35e1bfc4fd5c8f553fe10eb33
Signed-off-by: Lee Yongjin <yongjin0.lee@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: set AxCACHE[1] as modifiable.

Differ to NOC, TREX cannot chunk burst data
unless AxCACHE is set to high.

Change-Id: Ie54ccc6cb6ebf3570019a2bf9b34dd61d9581191
Signed-off-by: Eunok Jo <eunok25.jo@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: support 4burst mode for dev-to-mem and mem-to-dev transmit

Change-Id: I19b1d7f068a1774f693d9b3c3c201fb3042afa80
Signed-off-by: Kang Nam Park <kn0710.park@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: resolve prevent '52720'

Change-Id: Icace7fafc9ffc27cfa70636589ce2f275d82e370
Signed-off-by: Woncheon Ahn <woncheon.an@samsung.com>

dma: pl330: Remove unaligned access code

If cpu has not allowed unaligned access, this code maybe
has a problem. This patch is prevent above problem.

Change-Id: I4df50f6e7079a32801ba749654f1c8930bc4d142
Signed-off-by: Soohyun Kim <soohyuni.kim@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: pl330: Add timeout error on transient states

Change-Id: I096698308a88376073588a7b1da42ed407261514
Signed-off-by: Lee Yongjin <yongjin0.lee@samsung.com>

dma: pl330: Changed the timeout function

Change-Id: I52449c51ade4ca3a4fe24a4988bc9912d7aecfb7
Signed-off-by: Yongjin Lee <yongjin0.lee@samsung.com>
Signed-off-by: Seokju Yoon <sukju.yoon@samsung.com>

dma: pl330: add guard codes for pre-released request

Rarely, pl330_update() function is called for already freed request.
In that case, pl330_update gets id which value is -1, then kernel panic is occurred.

Change-Id: I6e426e576e2bba25891a280e8539d0c5b3dba7fe
Signed-off-by: Lee Yongjin <yongjin0.lee@samsung.com>