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Message-ID: <e62fc14e-f06b-e979-8f92-db1451695358@kwiboo.se>
Date: Sat, 17 Jun 2023 11:08:33 +0000 (UTC)
From: Jonas Karlman <jonas@...boo.se>
To: Sebastian Reichel <sebastian.reichel@...labora.com>
Cc: linux-pci@...r.kernel.org, linux-rockchip@...ts.infradead.org,
Jingoo Han <jingoohan1@...il.com>,
Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Shawn Lin <shawn.lin@...k-chips.com>,
Simon Xue <xxm@...k-chips.com>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
kernel@...labora.com, Kever Yang <kever.yang@...k-chips.com>
Subject: Re: [PATCH v1 4/4] arm64: dts: rockchip: rk3588: add PCIe2 support
Hi Sebastian,
On 2023-06-16 19:00, Sebastian Reichel wrote:
> Add all three PCIe2 IP blocks to the RK3588 DT. Note, that RK3588
> also has two PCIe3 IP blocks, that will be handled separately.
>
> Co-developed-by: Kever Yang <kever.yang@...k-chips.com>
> Signed-off-by: Kever Yang <kever.yang@...k-chips.com>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
> arch/arm64/boot/dts/rockchip/rk3588.dtsi | 54 +++++++++++
> arch/arm64/boot/dts/rockchip/rk3588s.dtsi | 108 ++++++++++++++++++++++
> 2 files changed, 162 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588.dtsi b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> index b9508cea34f1..40fee1367b34 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> @@ -80,6 +80,60 @@ i2s10_8ch: i2s@...00000 {
> status = "disabled";
> };
>
> + pcie2x1l0: pcie@...70000 {
> + compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + bus-range = <0x20 0x2f>;
> + clocks = <&cru ACLK_PCIE_1L0_MSTR>, <&cru ACLK_PCIE_1L0_SLV>,
> + <&cru ACLK_PCIE_1L0_DBI>, <&cru PCLK_PCIE_1L0>,
> + <&cru CLK_PCIE_AUX2>, <&cru CLK_PCIE1L0_PIPE>;
> + clock-names = "aclk_mst", "aclk_slv",
> + "aclk_dbi", "pclk",
> + "aux", "pipe";
> + device_type = "pci";
> + interrupts = <GIC_SPI 243 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH 0>;
> + interrupt-names = "sys", "pmc", "msg", "legacy", "err";
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0 0 0 1 &pcie2x1l0_intc 0>,
> + <0 0 0 2 &pcie2x1l0_intc 1>,
> + <0 0 0 3 &pcie2x1l0_intc 2>,
> + <0 0 0 4 &pcie2x1l0_intc 3>;
> + linux,pci-domain = <2>;
> + num-ib-windows = <8>;
> + num-ob-windows = <8>;
> + num-viewport = <4>;
> + max-link-speed = <2>;
> + msi-map = <0x2000 &its0 0x2000 0x1000>;
> + num-lanes = <1>;
> + phys = <&combphy1_ps PHY_TYPE_PCIE>;
> + phy-names = "pcie-phy";
> + power-domains = <&power RK3588_PD_PCIE>;
> + ranges = <0x01000000 0x0 0xf2100000 0x0 0xf2100000 0x0 0x00100000>,
> + <0x02000000 0x0 0xf2200000 0x0 0xf2200000 0x0 0x00e00000>,
> + <0x03000000 0x9 0x80000000 0x9 0x80000000 0x0 0x40000000>;
For the RK356x [1] and for RK3588 in u-boot [2] the pci_addr range was
changed to be in 32-bit address space, start address at 0x40000000, to
make the 1 GB region available for 32-bit BARs. Something that possible
could/should be done here too?
E.g.:
<0x03000000 0x0 0x40000000 0x9 0x80000000 0x0 0x40000000>
[1] https://lore.kernel.org/all/20230601132516.153934-1-frattaroli.nicolas@gmail.com/
[2] https://lore.kernel.org/u-boot/20230517100102.109855-1-eugen.hristev@collabora.com/
> + reg = <0xa 0x40800000 0x0 0x00400000>,
> + <0x0 0xfe170000 0x0 0x00010000>,
> + <0x0 0xf2000000 0x0 0x00100000>;
> + reg-names = "dbi", "apb", "config";
> + resets = <&cru SRST_PCIE2_POWER_UP>, <&cru SRST_P_PCIE2>;
> + reset-names = "pwr", "pipe";
> + status = "disabled";
> +
> + pcie2x1l0_intc: legacy-interrupt-controller {
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_SPI 240 IRQ_TYPE_EDGE_RISING 0>;
> + };
> + };
> +
> gmac0: ethernet@...b0000 {
> compatible = "rockchip,rk3588-gmac", "snps,dwmac-4.20a";
> reg = <0x0 0xfe1b0000 0x0 0x10000>;
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> index a73b17f597af..b5fdc046d8f7 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3588s.dtsi
> @@ -1670,6 +1670,114 @@ qos_vop_m1: qos@...82200 {
> reg = <0x0 0xfdf82200 0x0 0x20>;
> };
>
> + pcie2x1l1: pcie@...80000 {
> + compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + bus-range = <0x30 0x3f>;
> + clocks = <&cru ACLK_PCIE_1L1_MSTR>, <&cru ACLK_PCIE_1L1_SLV>,
> + <&cru ACLK_PCIE_1L1_DBI>, <&cru PCLK_PCIE_1L1>,
> + <&cru CLK_PCIE_AUX3>, <&cru CLK_PCIE1L1_PIPE>;
> + clock-names = "aclk_mst", "aclk_slv",
> + "aclk_dbi", "pclk",
> + "aux", "pipe";
> + device_type = "pci";
> + interrupts = <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH 0>;
> + interrupt-names = "sys", "pmc", "msg", "legacy", "err";
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0 0 0 1 &pcie2x1l1_intc 0>,
> + <0 0 0 2 &pcie2x1l1_intc 1>,
> + <0 0 0 3 &pcie2x1l1_intc 2>,
> + <0 0 0 4 &pcie2x1l1_intc 3>;
> + linux,pci-domain = <3>;
> + num-ib-windows = <8>;
> + num-ob-windows = <8>;
> + num-viewport = <4>;
> + max-link-speed = <2>;
> + msi-map = <0x3000 &its0 0x3000 0x1000>;
> + num-lanes = <1>;
> + phys = <&combphy2_psu PHY_TYPE_PCIE>;
> + phy-names = "pcie-phy";
> + power-domains = <&power RK3588_PD_PCIE>;
> + ranges = <0x01000000 0x0 0xf3100000 0x0 0xf3100000 0x0 0x00100000>,
> + <0x02000000 0x0 0xf3200000 0x0 0xf3200000 0x0 0x00e00000>,
> + <0x03000000 0x9 0xc0000000 0x9 0xc0000000 0x0 0x40000000>;
And:
<0x03000000 0x0 0x40000000 0x9 0xc0000000 0x0 0x40000000>
> + reg = <0xa 0x40c00000 0x0 0x00400000>,
> + <0x0 0xfe180000 0x0 0x00010000>,
> + <0x0 0xf3000000 0x0 0x00100000>;
> + reg-names = "dbi", "apb", "config";
> + resets = <&cru SRST_PCIE3_POWER_UP>, <&cru SRST_P_PCIE3>;
> + reset-names = "pwr", "pipe";
> + status = "disabled";
> +
> + pcie2x1l1_intc: legacy-interrupt-controller {
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_SPI 245 IRQ_TYPE_EDGE_RISING 0>;
> + };
> + };
> +
> + pcie2x1l2: pcie@...90000 {
> + compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie";
> + #address-cells = <3>;
> + #size-cells = <2>;
> + bus-range = <0x40 0x4f>;
> + clocks = <&cru ACLK_PCIE_1L2_MSTR>, <&cru ACLK_PCIE_1L2_SLV>,
> + <&cru ACLK_PCIE_1L2_DBI>, <&cru PCLK_PCIE_1L2>,
> + <&cru CLK_PCIE_AUX4>, <&cru CLK_PCIE1L2_PIPE>;
> + clock-names = "aclk_mst", "aclk_slv",
> + "aclk_dbi", "pclk",
> + "aux", "pipe";
> + device_type = "pci";
> + interrupts = <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH 0>,
> + <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH 0>;
> + interrupt-names = "sys", "pmc", "msg", "legacy", "err";
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 7>;
> + interrupt-map = <0 0 0 1 &pcie2x1l2_intc 0>,
> + <0 0 0 2 &pcie2x1l2_intc 1>,
> + <0 0 0 3 &pcie2x1l2_intc 2>,
> + <0 0 0 4 &pcie2x1l2_intc 3>;
> + linux,pci-domain = <4>;
> + num-ib-windows = <8>;
> + num-ob-windows = <8>;
> + num-viewport = <4>;
> + max-link-speed = <2>;
> + msi-map = <0x4000 &its0 0x4000 0x1000>;
> + num-lanes = <1>;
> + phys = <&combphy0_ps PHY_TYPE_PCIE>;
> + phy-names = "pcie-phy";
> + power-domains = <&power RK3588_PD_PCIE>;
> + ranges = <0x01000000 0x0 0xf4100000 0x0 0xf4100000 0x0 0x00100000>,
> + <0x02000000 0x0 0xf4200000 0x0 0xf4200000 0x0 0x00e00000>,
> + <0x03000000 0xa 0x00000000 0xa 0x00000000 0x0 0x40000000>;
And:
<0x03000000 0x0 0x40000000 0xa 0x00000000 0x0 0x40000000>
Regards,
Jonas
> + reg = <0xa 0x41000000 0x0 0x00400000>,
> + <0x0 0xfe190000 0x0 0x00010000>,
> + <0x0 0xf4000000 0x0 0x00100000>;
> + reg-names = "dbi", "apb", "config";
> + resets = <&cru SRST_PCIE4_POWER_UP>, <&cru SRST_P_PCIE4>;
> + reset-names = "pwr", "pipe";
> + status = "disabled";
> +
> + pcie2x1l2_intc: legacy-interrupt-controller {
> + interrupt-controller;
> + #address-cells = <0>;
> + #interrupt-cells = <1>;
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_SPI 250 IRQ_TYPE_EDGE_RISING 0>;
> + };
> + };
> +
> gmac1: ethernet@...c0000 {
> compatible = "rockchip,rk3588-gmac", "snps,dwmac-4.20a";
> reg = <0x0 0xfe1c0000 0x0 0x10000>;
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