This patch reads the suspend phy quirk from DT property
"snps,dis_u2_susphy_quirk" and update in dwc3 structure.
This suspend phy quirk will disable suspend functionality
of phy.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Hannes Schmelzer [Fri, 29 Mar 2019 08:54:05 +0000 (09:54 +0100)]
net: phy: implement fallback mechanism for negative phy adresses
Negative phy-addresses can occour if the caller function was not able to
determine a valid phy address (from device-tree for example). In this
case we catch this here and search for ANY phy device on the given mdio-
bus.
Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
usb: dwc3: Handle case where setup_phy is not needed
If CONFIG_PHY is not enabled then the dwc3_setup_phy()
returns ENOTSUPP which can be still valid and intentional
so modify error check to handle this -ENOTSUPP.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
usb: udc-uclass: Fixed problem when no alias is defined in DT
commit 801f1fa442 "dm: usb: udc: Use SEQ_ALIAS to index the USB gadget
ports" changed the way the udevice if found. It uses the alias to find
a udevice for a given USB port number. In the commit log it was stated
that if no alias is provided, the bind order will be used instead. However
it doesn't work. Fixing this by adding a call to uclass_get_device() if
uclass_get_device_by_seq() fails.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Tested-by: Vignesh R <vigneshr@ti.com>
net: zynq_gem: Modify phy supported features after max-speed was set
The phydev supported features were reset in phy_set_supported() so,
move the setting of driver supported features after this so that it
wont lost in phy_set_supported().
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
T Karthik Reddy [Wed, 27 Mar 2019 06:15:45 +0000 (11:45 +0530)]
drivers: mtd: spi: Check SPI_TX_QUAD mode if RD_QUADIO flag is set
This patch checks for SPI_TX_QUAD mode if RD_QUADIO flag is set, as
RD_QUADIO uses 4 lines for TX. If SPI_TX_QUAD mode is not set then
CMD_READ_QUAD_IO_FAST should not be used.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Sat, 23 Mar 2019 05:43:00 +0000 (11:13 +0530)]
Makefile: Prioritize external dtb if defined
Prioritize external dtb if its passed via EXT_DTB
than the dtb that was built in the tree. With this
patch it appends the specified external dtb to
the u-boot image.
Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Post configuration cant be run at u-boot as u-boot
didn't has any info about the design.So,this patch
adds an info message that post config was not run
and needs to be run manually if needed.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
There is no need of read modify write for tapdelay settings
ans hence remove the read operations while setting tapdelays.
Also, correct tapdelay value settings at 40MHZ by modifying
the if check to <= instead of <.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Fix incorrect read of phy property "ti,6-wire-mode"
by using ofnode api instead of dev read.
All other phy properties in of_init() routine were
also read using ofnode APIs.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
CCF requires all PL IPs to have CCF compliant drivers and manage the clocks
they depend on. Currently not all PL IP drivers are CCF compliant and some
IPs may not have drivers. Since CCF accounts only for clock usage by CCF
compliant drivers, PL clocks may be gated and could cause malfunction of PL
IPs/Drivers that are not CCF compliant. So, keep all PL clocks always
enabled by enabling fclk nodes.
For cases which require active PL clock management, it should first be
ensured that all IPs have CCF compliant drivers and then fclk nodes can
be disabled.
Signed-off-by: Jyotheeswar Reddy Mutthareddyvari <jyotheeswar.reddy.mutthareddyvari@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Add gpio phy reset via I2C expander TCA6416 on board ZCU102.
A warning call trace is observer in probe when this reset is called
from context that can sleep. Keep this commented until that is
resolved in phylib.
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch removes zynqmp-mini-qspi.dtsi files as it has
same content as zynqmp-mini-qspi.dts file and there is no
need to maintain two, if .dts can be included in all files
instead of .dtsi. So, this patch removes .dtsi inclusion with
.dts in all files.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: xilinx_gmii2rgmii: Define readext and writeext routines
This patch defines writeext and readext routines and hooks
them for xilinx gmii2rgmii phy driver. These routines will
invokes corresponding external phy routines if defined.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: micrel_ksz90x1: switch to use ofnode apis
phydev->node is phy node, phydev->dev->node is controller
and that current code is likely reading the properties from
controller node and not from phy. So, Use PHY API phy_get_ofnode()
helper to get PHY DT node and use ofnode_read_u32_default() to
read properties in phy node.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Changes for v2:
- Updated description Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: Define init routine and register generic phy driver
This patch define init routine for generic phy driver and registers it
using phy_register as this generic phy driver also needs to be relocated
incase of manual reloc.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: ti: Add support for 6-wire mode in SGMII configuration
This patch adds 6 wire mode supports which enables SGMII clock
to MAC from phy. The drivers gets this 6 wire mode info by reading
the property "ti,6-wire-mode" from DT.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
T Karthik Reddy [Wed, 13 Mar 2019 14:54:18 +0000 (20:24 +0530)]
arm64: zynqmp: Use zynqmp_mmio_read/write functions
Changed the return type of reset_reason() to int from u32, because
zynqmp_mmio_read/write() returns signed value on error.
Replaced readl and writel functions with zynqmp_mmio_read &
zynqmp_mmio_write functions to access RESET_REASON(CRL_APB) registers.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
T Karthik Reddy [Tue, 12 Mar 2019 14:50:26 +0000 (20:20 +0530)]
test: py: tests: Add py-test case for zynq aes loadp command
This patch adds py-test case for zynq aes loadp command. It tests
loading partial bitstream to DDR and tests loading partial bitstream
to PL using "zynq aes loadp" command. This test needs to be executed
only in bootmode, if not it wil be skipped.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
i2c: i2c_cdns: Fix below warnings with checker tool
This patch fixes below warnings found with checker tool.
The variable len in i2c_msg struct is of unsigned type
and it is received as recv_count which is unsigned type
but it is checked with < 0 which is always false, hence
removed it.
The local variable curr_recv_count is declared as signed
type and compared aginst unsigned recv_count which is
incorrect. This is fixed by declaring it as unsigned type.
drivers/i2c/i2c-cdns.c: In function ‘cdns_i2c_read_data’:
drivers/i2c/i2c-cdns.c:317:18: warning: comparison of
unsigned expression < 0 is always false [-Wtype-limits]
if ((recv_count < 0))
^
drivers/i2c/i2c-cdns.c:340:24: warning: comparison of
integer expressions of different signedness:
‘u32’ {aka ‘unsigned int’} and ‘int’ [-Wsign-compare]
updatetx = recv_count > curr_recv_count;
^
drivers/i2c/i2c-cdns.c:361:39: warning: comparison of
integer expressions of different signedness:
‘u32’ {aka ‘unsigned int’} and ‘int’ [-Wsign-compare]
while (readl(®s->transfer_size) !=
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
i2c: i2c_cdns: Add support for handling arbitration lost
This patch adds support for handling arbitration lost
in case of multi master mode. When an arbitration lost
is detected, it retries for 10 times before failing.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
The arbitration lost interrupt was not getting cleared
while clearing interrupts. This patch fixes this by adding
arbitration lost interrupt as well during clear. This patch
also removes hardcoded value and defined a macro for it.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: xilinx_gmii2rgmii: Add check for external phy detection
Add check if an external phy is detected or not before proceeding
further to config the external phy. This patch fixes the issue of
u-boot hang or reset, if u-boot is not able to communicate with
external connected over gmiitorgmii bridge.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
net: phy: Reloc next and prev pointers inside phy_drivers
This patch relocates the pointers inside phy_drivers incase
of manual reloc. Without this reloc, these points to invalid
pre relocation address and hence causes exception or hang.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Thu, 14 Feb 2019 12:14:30 +0000 (13:14 +0100)]
arm64: zynqmp: Create fdtfile from compatible string
distro boot expects that fdtfile name is setup for alternative DTB.
Create this file based on the first platform compatible string.
This should ensure that one rootfs can store multiple DTBs for different
boards.
Reflect structure which is used in Linux kernel. It means dtbs are
strored in xilinx folder.
Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Alexander Graf <agraf@suse.de>
arm64: zynqmp: Add reset-on-timeout for all boards and modify default timeout value
This patch adds reset-on-timeout to FPD WDT which will trigger an
interrupt to PMU when watchdog expiry happens and PMU takes the
necessary action. If this property is not enabled, reason will not be
known when watchdog expiry happens.
This patch also modifies the default timeout to 60 seconds. Reason is
that if u-boot enables WDT, it will set the timeout to 10 seconds and
this is not enough to boot till Linux and start the WDT application in
Linux. 60 seconds is the maximum safest value to boot till Linux and
start the WDT application.
Users need to change this timeout value to fit their needs.
Signed-off-by: Mounika Grace Akula <mounika.grace.akula@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Amit Kucheria [Thu, 23 Aug 2018 08:53:29 +0000 (14:23 +0530)]
arm64: dts: Fix various entry-method properties to reflect documentation
The idle-states binding documentation[1] mentions that the
'entry-method' property is required on 64-bit platforms and must be
set to "psci".
Linux commit a13f18f59d26 ("Documentation: arm: Fix typo in the idle-states
bindings examples") attempted to fix this earlier but clearly more is
needed.
Linux docs:
Documentation/devicetree/bindings/arm/idle-states.txt (see
idle-states node)
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Daniel Steger [Fri, 11 Jan 2019 22:08:24 +0000 (14:08 -0800)]
arm64: zynqmp: Modify ocm perf monitor slots
The current dt entry for the ocm performance monitor specifies
that there are 4 slots. This is incorrect. Page 372 of the
zynqmp trm describes the number of slots each apm supports.
Signed-off-by: Daniel Steger <daniel.steger@xilinx.com> Reviewed-by: Shubhrajyoti Datta <Shubhrajyoti.datta@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
SMMU adds overhead in mapping/un-mapping of DMA buffers. It
will degrade performance numbers for some of the peripherals.
Disabling SMMU to avoid the same.
Please check Xilinx documentation for more information.
Signed-off-by: Mubin Usman Sayyed <mubin.usman.sayyed@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
arm64: zynqmp: Make SMMU a separate node outside amba
Drivers dependent on IOMMU expect SMMU to be probed first and
in PM flow, suspended last and resumed first.
This can ideally be achieved by adding PM support in arm-smmu and
maintaining the above expected order. This series on LKML proposes
the same:
https://patchwork.ozlabs.org/cover/885035/
But this is still under review and would require pulling in more
framework changes on the current xilinx tree. Hence this patch
provides a temporary fix until the above solution is finalized.
The expected order is maintained by moving SMMU node outside amba node
in the devicetree.
Signed-off-by: Harini Katakam <harini.katakam@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Daniel Steger [Fri, 11 Jan 2019 22:08:23 +0000 (14:08 -0800)]
arm64: zynqmp: Add in lpd, cci, ddr axi perf monitors
The current zynqmp.dtsi does not include the axi performance
monitors for the lpd, cci, or ddr. This set of patches adds
in the missing dt entries for the ps apms.
Signed-off-by: Daniel Steger <daniel.steger@xilinx.com> Reviewed-by: Shubhrajyoti Datta <Shubhrajyoti.datta@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
arm64: zynqmp: Fix binding of hclk clock (gem nodes)
This patch is required to fix binding of gem interface clocks to
system-level clock IDs that have changed. The gem0 clock IDs are now:
1) Clock ID 45 represents GEM0_TX clock
2) Clock ID 49 represents GEM0_RX clock
3) Clock ID 104 represents GEM0_REF clock
Clock IDs for other gems changed similarly, e.g. for i in {1, 2, 3}
GEMi_TX = GEM0_TX + i, etc. Other clock IDs have not changed.
Signed-off-by: Mirela Simonovic <mirela.simonovic@aggios.com> Acked-by: Will Wong <willw@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Luis Araneda [Thu, 12 Jul 2018 04:10:20 +0000 (00:10 -0400)]
ARM: dts: zynq: correct and improve the model property of dt files
Replace the current value of the model property by a more accurate
description of each board (which includes the manufacturer), as some
of the boards had the same value ("Xilinx Zynq")
Signed-off-by: Luis Araneda <luaraneda@gmail.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>