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The GMAC of Loongson chips cannot insert the correct 1.5-2ns delay. So
we need the PHY to insert internal delays for both transmit and receive
data lines from/to the PHY device. Fix this by changing the "phy-mode"
from "rgmii" to "rgmii-id" in dts.
Signed-off-by: Huacai Chen <[email protected]>
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By now, more Loongson-2K2000 related drivers are supported, such as
clock controller and thermal controller. So we add these device nodes
to the Loongson-2K2000 dts file.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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By now, more Loongson-2K0500 related drivers are supported, such as
clock controller, thermal controller, and dma controller. So we add
these device nodes to the Loongson-2K0500 dts file.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Things like clock controllers or architectural interrupt controllers,
no one would disable them because otherwise they would have no usable
system. So we just "enabled" them by default.
Suggested-by: Conor Dooley <[email protected]>
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Current dts file for Loongson-2K2000's GMAC/GNET is incomplete, both irq
and phy descriptions are missing. Add them to make GMAC/GNET work.
Signed-off-by: Huacai Chen <[email protected]>
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Current dts file for Loongson-2K2000 misses the interrupt-controller &
interrupt-cells descriptions in the msi-controller node, and misses the
msi-parent link in the pci root node. Add them to support PCI-MSI.
Signed-off-by: Huacai Chen <[email protected]>
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Some Loongson-2K2000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error. Also adjust
the PCI io resource range to avoid confliction.
Signed-off-by: Huacai Chen <[email protected]>
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Some Loongson-2K1000 platforms have ISA/LPC devices such as Super-IO,
define an ISA node in the dts file to avoid access error.
Signed-off-by: Huacai Chen <[email protected]>
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The DTS code coding style expects exactly one space before '{'
character.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Add DeviceTree file for Loongson-2K2000 processor, which integrates two
64-bit 3-issue superscalar LA364 processor cores.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Add DeviceTree file for Loongson-2K1000 processor, which integrates two
64-bit 2-issue superscalar LA264 processor cores.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Add DeviceTree file for Loongson-2K0500 processor, which integrates one
64-bit 2-issue superscalar LA264 processor core.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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During the upstream progress of those DT-based drivers, DT properties
are changed a lot so very different from those in existing bootloaders.
It is inevitably that some existing systems do not provide a standard,
canonical device tree to the kernel at boot time. So let's provide a
device tree table in the kernel, keyed by the dts filename, containing
the relevant DTBs.
We can use the built-in dts files as references. Each SoC has only one
built-in dts file which describes all possible device information of
that SoC, so the dts files are good examples during development.
And as a reference, our built-in dts file only enables the most basic
bootable combinations (so it is generic enough), acts as an alternative
in case the dts in the bootloader is unexpected.
Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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Add Kbuild, Makefile, Kconfig and link script for LoongArch build
infrastructure.
Reviewed-by: Guo Ren <[email protected]>
Reviewed-by: WANG Xuerui <[email protected]>
Reviewed-by: Jiaxun Yang <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
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