| Message ID | 20200424130847.328584-6-jiaxun.yang@flygoat.com |
|---|---|
| State | New |
| Headers | show |
| Series | Loongson PCI Generic Driver | expand |
On Fri, Apr 24, 2020 at 8:10 AM Jiaxun Yang <jiaxun.yang@flygoat.com> wrote: > > Add PCI Host controller node for Loongson64 with RS780E PCH dts. > Note that PCI interrupts are probed via legacy way, as different > machine have different interrupt arrangement, we can't cover all > of them in dt. > > Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> > -- > v2: Clean-up > --- > arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 17 ++++++++++++++++- > 1 file changed, 16 insertions(+), 1 deletion(-) > > diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi > index 8687c4f7370a..5e68ceae20ca 100644 > --- a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi > +++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi > @@ -5,10 +5,25 @@ bus@10000000 { > compatible = "simple-bus"; > #address-cells = <2>; > #size-cells = <2>; > - ranges = <0 0x10000000 0 0x10000000 0 0x10000000 > + ranges = <0 0x00000000 0 0x00000000 0 0x00010000 /* I/O Ports */ You're changing the first entry, so bus@10000000 unit-address should change. Are i/o addresses really at 0x0 physical address? > + 0 0x10000000 0 0x10000000 0 0x10000000 > 0 0x40000000 0 0x40000000 0 0x40000000 > 0xfd 0xfe000000 0xfd 0xfe000000 0 0x2000000 /* PCI Config Space */>; > > + pci@1a000000 { > + compatible = "loongson,rs780e-pci"; > + device_type = "pci"; > + #address-cells = <3>; > + #size-cells = <2>; > + > + reg = <0 0x1a000000 0 0x02000000>; > + > + ranges = <0x01000000 0 0x00004000 0 0x00004000 0 0x00004000>, > + <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>; > + > + bus-range = <0x00 0xff>; Not needed. > + }; > + > isa { > compatible = "isa"; > #address-cells = <2>; > -- > 2.26.0.rc2 >
diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi index 8687c4f7370a..5e68ceae20ca 100644 --- a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi +++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi @@ -5,10 +5,25 @@ bus@10000000 { compatible = "simple-bus"; #address-cells = <2>; #size-cells = <2>; - ranges = <0 0x10000000 0 0x10000000 0 0x10000000 + ranges = <0 0x00000000 0 0x00000000 0 0x00010000 /* I/O Ports */ + 0 0x10000000 0 0x10000000 0 0x10000000 0 0x40000000 0 0x40000000 0 0x40000000 0xfd 0xfe000000 0xfd 0xfe000000 0 0x2000000 /* PCI Config Space */>; + pci@1a000000 { + compatible = "loongson,rs780e-pci"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + + reg = <0 0x1a000000 0 0x02000000>; + + ranges = <0x01000000 0 0x00004000 0 0x00004000 0 0x00004000>, + <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>; + + bus-range = <0x00 0xff>; + }; + isa { compatible = "isa"; #address-cells = <2>;
Add PCI Host controller node for Loongson64 with RS780E PCH dts. Note that PCI interrupts are probed via legacy way, as different machine have different interrupt arrangement, we can't cover all of them in dt. Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> -- v2: Clean-up --- arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-)