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The PIIX3 chipset does not integrate an I/O APIC, instead it supports
connecting to an external I/O APIC which needs to be enabled manually.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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On some platforms the I/O APIC interrupt pin#0-15 may be connected
to platform pci devices' interrupt pin. In such cases the legacy ISA
IRQ is not available so we should not write ISA interrupt entry if
it is already occupied.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Currently during writing MP table I/O interrupt assignment entry, we
assume the PIRQ is directly mapped to I/O APIC INTPIN#16-23, which
however is not always the case on some platforms.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Move to driver model pci for Intel queensbay/crownbay.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Commit aec241d "dm: pci: Use the correct hose when configuring devices"
was an attempt to fix pci bridge device configuration, but unfortunately
that does not work 100%. In pciauto_config_devices(), the fix tried to
call pciauto_config_device() with a ctlr_hose which is supposed to be
the root controller hose, however when walking through a pci topology
with 2 or more pci bridges this logic simply fails.
The call chain is: pciauto_config_devices()->pciauto_config_device()
->dm_pci_hose_probe_bus(). Here the call to dm_pci_hose_probe_bus()
does not make any sense as the given hose is not the bridge device's
hose, instead it is either the root controller's hose (case#1: if it
is the 2nd pci bridge), or the bridge's parent bridge's hose (case#2:
if it is the 3rd pci bridge). In both cases the logic is wrong.
For example, for failing case#1 if the bridge device to config has the
same devfn as one of the devices under the root controller, the call
to pci_bus_find_devfn() will return the udevice of that pci device
under the root controller as the bus, but this is wrong as the udevice
is not a bus which does not contain all the necessary bits associated
with the udevice which causes further failures.
To correctly support pci bridge device configuration, we should still
call pciauto_config_device() with the pci bridge's hose directly.
In order to access valid pci region information, we need to refer to
the root controller simply by a call to pci_bus_to_hose(0) and get the
region information there in the pciauto_prescan_setup_bridge(),
pciauto_postscan_setup_bridge() and pciauto_config_device().
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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In dm_pci_hose_probe_bus(), pci_bus_find_devfn() is called with a bdf
which includes a bus number, but it really should not as this routine
only expects a device/function encoding.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Currently pci_bus_read_config() and pci_bus_write_config() are
called with bus number masked off in the parameter bdf, and bus
number is supposed to be added back in the bridge driver's pci
config read/write ops if the device is behind a pci bridge.
However this logic only works for a pci topology where there is
only one bridge off the root controller. If there is addtional
bridge in the system, the logic will create a non-existent bdf
where its bus number gets accumulated across bridges.
To correct this, we change all pci config read/write routines
to use complete bdf all the way up to the root controller.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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In driver model, each pci bridge device has its own hose structure.
hose->first_busno points to the bridge device's device number, so
we should not substract hose->first_busno before programming the
bridge device's primary/secondary/subordinate bus number registers.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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This corrects several typos in the comment block as well as some
indentions and nits in the linker_lists.h.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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The doc wrongly put sandbox in the '--fetch-arch' command. Remove it.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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IRQ 0 is reserved and should not be assigned to pci device.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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We need walk through all functions within a PCI device and assign
their IRQs accordingly.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Add a RTC node in the device tree to enable DM RTC support.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
(Squashed in 'x86: Fix RTC build error on ivybridge')
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Turn on cache on the pci option rom area to improve the performance.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Instead of using switch..case for architecture defined exceptions,
simply unify the handling by printing a message of exception name,
followed by registers dump then halt the CPU.
With this unification, it also fixes the wrong exception numbers
for #MF/#AC/#MC/#XM which should be 16/17/18/19 not 15/16/17/18.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Some exceptions cause an error code to be saved on the current stack
after the EIP value. We should extract CS/EIP/EFLAGS from different
position on the stack based on the exception number.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
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Use one command for showing overall CPU status than several without
knowing how many cpus is available in the system.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Trivial fix.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Trivial fix.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Extend time for MDIO. (Because of zed board)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add one more print to make clear which EL level U-Boot runs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Enable SATA for the ZynqMP targets.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Wire up ethernet controllers and enable MII and BOOTP options.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add xm011 DTS file and related configs and configurations.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Platform DTSes are missing content needed for platform to be able to use
OF binding and DM.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Adds the two MIO connected pushbuttons on the zc702 board to the
devicetree as a single multi-key device for us with the gpio-keys driver.
Signed-off-by: Ezra Savard <ezra.savard@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add pl310 interrupt to the Zynq devicetree.
Signed-off-by: Alex Wilson <alex.david.wilson@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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ps-clk-frequency is platform specific setting and shouldn't be the part
of DTSI.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Trivial.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Syncup with the latest DT from the Linux kernel.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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For adding OCM memory in platform DTS is necessary to have reference to
amba bus.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add pinctrl node to DTSI.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Remove unneeded address-cells form intc node because it is already setup
in parent node.
Add missing address-cells and size-cells to eth node to be shared for
every platform DTSes.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Separate IRQ cells from each other for easier reading.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Use the new zynq binding for macb ethernet, since it will disable half
duplex gigabit like the Zynq TRM says to do. Also allow the compatible
cadence gem binding that won't disable half duplex but works otherwise.
Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The size of the GEM's register area is only 0x1000 bytes.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Zynq is using Cadence IP where binding is documented in the Linux kernel
and there is no reason to use different binding.
Synchronize it.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Due to dependencies between timer and CPU frequency, only changes by
powers of two are allowed. The clocksource driver prevents other
changes, but with cpufreq and its governors it can result in being
spammed with error messages constantly. Hence, remove the 222 MHz OPP.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The Zynq UART is Cadence IP and the driver has been renamed accordingly.
Migrate the DT to use the new binding for the UART driver.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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To silence the warning
cpufreq_cpu0: failed to get cpu0 regulator: -19
from the cpufreq driver regarding a missing regulator,
add a fixed regulator to the DT.
Zynq does not support voltage scaling and the CPU rail should always be
supplied with 1 V, hence it is added in the SOC-level dtsi.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add ADC, CAN, GPIO, MC, DMA, DEVCFG, USB, Watchdog IPs to DTSI.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Based on SPEC you right names with addresses.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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SLCR can be used for IP configuration setting.
Add SLCR skeleton to enable run time checking.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Pass directly boot_addr which is LOVEC (0) or HIVEC (0xffff0000).
No reason to use magic values 0 and 1.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Provide option to enable uart dcc support for zynqmp
This config can be enabled as per board config file.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Move CONFIG_SYS_TEXT_BASE of ZynqMP_ep to its
respective defconfig
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Define a new config "zynqmp_ep" for ZynqMP instead
of xilinx_zynqmp. This defconfig supports all emulation
platforms of ZynqMP. Also renamed TARGET_XILINX_ZYNQMP
to ARCH_ZYNQMP.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Move the zynqmp Kconfig from board to arch
as there may be different boards under same
architecture.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Setting up WRAP bit to indicate that this is the last TX BD in the
chain.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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