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>
Michal Simek [Wed, 13 Feb 2019 12:33:32 +0000 (13:33 +0100)]
arm64: zynqmp: Remove board config files
All options have been moved to Kconfig and there is no need to have
board header files. Mini configurations require them that's why they are
still there.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Wed, 13 Feb 2019 12:46:41 +0000 (13:46 +0100)]
arm64: zynqmp: Fix logic around CONFIG_ZYNQ_SDHCI
Replace SDHCI controller listing by Kconfig symbol to let SPL know that
this board is using multiple SDHCIs controllers.
Kconfig help message should explain why this is needed.
Origin symbols were used in full u-boot but with moving to distro boot
this was fixed already.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
arm64: versal: Define distro boot commnads for qspi ospi and mmc
This patch adds distro boot commands for qspi, ospi and mmc.
The distro boot commands now reads the script from flash offset
of 63.5MB for qspi and ospi and executes it. For mmc its same
as generic distro boot command. As either one of the qspi or ospi can
exist on hardware, defined a single distroboot command as xspi
that works for both.
Setup default location via script_offset_f to 63.5MB to match the most
xilinx reference boards for qspi, ospi for now.
512kB allocated space for script size (script_size_f) should be more
than enough to cover custom boot logic.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds new mini target for versal.
This configuration is very minimal in size which runs
from OCM. It contains support for mtest which can be
used for running DDR memory tests.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds new mini configuration for Versal
which has only ospi enabled. This mini configration
is required to run u-boot from on chip memory with
ospi support.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds new mini configuration for Versal
which has only qspi enabled. This mini configration
is required to run u-boot from on chip memory with
qspi support. This patch also adds all supported qspi
configurations for this mini version.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds support for OSPI driver to Versal platforms.
It uses cadence qspi driver with octal support and defines
DMA hooks that are required for performing DMA read operations.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
spi: cadence_qspi: Add support for page program using STIG write
This patch supports page programming using STIG write. This is needed
if controller support only STIG writes for page program instead of
regular indirect write support. So, this patch gets the controller
capability from dt using "cdns,is-stig-pgm" property. This patch also
modifies stig write routine to support for page programming.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds support for DMA read operation if controller
supports it which is determined by reading DT property "cdns,is-dma".
This patch provides hooks for vendor specific DMA routines as the
cadence qspi controller supports external DMA which is vendor specific.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Wed, 13 Feb 2019 12:28:47 +0000 (13:28 +0100)]
arm64: zynqmp: Fix nand/qspi boot command
If instance number is passed to func(, , 0) then it has to be reflected
by bootcmd_<name><instance number> command.
Do it in a more generic way that devtypel and instance numbers are taken
from parameters.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch adds mini eMMC configuration which has only
emmc0 and emmc1 functionalities and can run from small
amount of memory. This is required for memory constraint
devices.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
arm: zynq: Define distro boot commnads for qspi, nand and nor
This patch adds distro boot commands for qspi, nand and nor.
The distro boot commands now reads the script from flash offset
of 15.75MB and executes it.
Setup default location via script_offset_f to 15.75MB to match the most
xilinx reference boards for qspi, nand and set the same using
script_offset_nor to 0xE2EC0000 for nor.
256kB allocated space for script size (script_size_f) should be more
than enough to cover custom boot logic.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Tue, 22 Jan 2019 13:43:04 +0000 (14:43 +0100)]
ARM: zynq: Convert dlc20 and zc70x board to DM_I2C
All these board have also eeprom enabled that's why it is also enabled
via defconfig.
There is also no need to have zc70x specific config file that's why also
remove it.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Fri, 18 Jan 2019 08:10:39 +0000 (09:10 +0100)]
arm64: zynqmp: Switch all platfroms to DM_I2C
CONFIG_PCA953X is not needed because of PCA953X is integrated in gpio
subsystem already. That's why also remove CMD_PCA953X which is only for
this driver.
zcu102/zcu104-revC/zcu106/zcu111 contain links to eeprom which stores MAC address.
DM_I2C is not enabled for the whole SoC because it increase size for
mini configurations and there is no I2C symbol present to setup
dependencies.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Tue, 22 Jan 2019 13:12:54 +0000 (14:12 +0100)]
ARM: zynq: Convert Syzygy to DM_I2C
Boards have only one controller enabled that's why move to DM_I2C is
easy.
Add also i2c alias for not to be shown as i2c bus -1 because alias
doesn't exist.
Config file points to MAC stored in eeprom but it is not listed that's
why I have added 24c08 part.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Mon, 21 Jan 2019 15:29:07 +0000 (16:29 +0100)]
xilinx: common: Add support for DM_I2C zynq_board_read_rom_ethaddr()
It is much easier to point to eeprom which stores information like MAC
address directly via DT. eeprom which contains this information is
pointed by /chosen/xlnx,eeprom parameter.
Michal Simek [Mon, 21 Jan 2019 14:25:02 +0000 (15:25 +0100)]
xilinx: Move zynq_board_read_rom_ethaddr to shared location
Zynq and ZynqMP are sharing similar code and there is no reason to do
code duplication. Move zynq_board_read_rom_ethaddr() to common file for
easier conversion to DM.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Mon, 21 Jan 2019 12:53:05 +0000 (13:53 +0100)]
misc: i2c_eeprom: Add atmel,24c08 to the list
Linux kernel binding is using atmel,24c08 compatible string. On the
other hand there is atmel,24c08a which is not listed in the kernel.
Add compatible string without "a" suffix to be compatible with Linux
kernel binding.
These eeproms are available on several ZynqMP development boards.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek [Thu, 31 Jan 2019 15:31:03 +0000 (16:31 +0100)]
i2c: mux: Generate longer i2c mux name
For !DM case busses are listed as
ZynqMP> i2c bus
Bus 0: zynq_0
Bus 1: zynq_0->PCA9544A@0x75:0
Bus 2: zynq_0->PCA9544A@0x75:1
Bus 3: zynq_0->PCA9544A@0x75:2
Bus 4: zynq_1
Bus 5: zynq_1->PCA9548@0x74:0
Bus 6: zynq_1->PCA9548@0x74:1
Bus 7: zynq_1->PCA9548@0x74:2
Bus 8: zynq_1->PCA9548@0x74:3
Bus 9: zynq_1->PCA9548@0x74:4
Bus 10: zynq_1->PCA9548@0x75:0
Bus 11: zynq_1->PCA9548@0x75:1
Bus 12: zynq_1->PCA9548@0x75:2
Bus 13: zynq_1->PCA9548@0x75:3
Bus 14: zynq_1->PCA9548@0x75:4
Bus 15: zynq_1->PCA9548@0x75:5
Bus 16: zynq_1->PCA9548@0x75:6
Bus 17: zynq_1->PCA9548@0x75:7
where is exactly describing i2c bus topology.
By moving to DM case i2c mux buses are using names from DT and because
i2c-muxes describing sub busses with the same names like i2c@0, etc it
is hard to identify which bus is where.
Linux is adding topology information to i2c-mux busses to identify them
better.
This patch is doing the same and composing bus name with topology
information.
When patch is applied with topology information on zcu102-revA.
ZynqMP> i2c bus
Bus 0: i2c@ff020000
20: gpio@20, offset len 1, flags 0
21: gpio@21, offset len 1, flags 0
75: i2c-mux@75, offset len 1, flags 0
Bus 2: i2c@ff020000->i2c-mux@75->i2c@0
Bus 3: i2c@ff020000->i2c-mux@75->i2c@1
Bus 4: i2c@ff020000->i2c-mux@75->i2c@2
Bus 1: i2c@ff030000 (active 1)
74: i2c-mux@74, offset len 1, flags 0
75: i2c-mux@75, offset len 1, flags 0
Bus 5: i2c@ff030000->i2c-mux@74->i2c@0 (active 5)
54: eeprom@54, offset len 1, flags 0
Bus 6: i2c@ff030000->i2c-mux@74->i2c@1
Bus 7: i2c@ff030000->i2c-mux@74->i2c@2
Bus 8: i2c@ff030000->i2c-mux@74->i2c@3
Bus 9: i2c@ff030000->i2c-mux@74->i2c@4
Bus 10: i2c@ff030000->i2c-mux@75->i2c@0
Bus 11: i2c@ff030000->i2c-mux@75->i2c@1
Bus 12: i2c@ff030000->i2c-mux@75->i2c@2
Bus 13: i2c@ff030000->i2c-mux@75->i2c@3
Bus 14: i2c@ff030000->i2c-mux@75->i2c@4
Bus 15: i2c@ff030000->i2c-mux@75->i2c@5
Bus 16: i2c@ff030000->i2c-mux@75->i2c@6
Bus 17: i2c@ff030000->i2c-mux@75->i2c@7
Behavior before the patch is applied.
ZynqMP> i2c bus
Bus 0: i2c@ff020000
20: gpio@20, offset len 1, flags 0
21: gpio@21, offset len 1, flags 0
75: i2c-mux@75, offset len 1, flags 0
Bus 2: i2c@0
Bus 3: i2c@1
Bus 4: i2c@2
Bus 1: i2c@ff030000 (active 1)
74: i2c-mux@74, offset len 1, flags 0
75: i2c-mux@75, offset len 1, flags 0
Bus 5: i2c@0 (active 5)
54: eeprom@54, offset len 1, flags 0
Bus 6: i2c@1
Bus 7: i2c@2
Bus 8: i2c@3
Bus 9: i2c@4
Bus 10: i2c@0
Bus 11: i2c@1
Bus 12: i2c@2
Bus 13: i2c@3
Bus 14: i2c@4
Bus 15: i2c@5
Bus 16: i2c@6
Bus 17: i2c@7
Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de>