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author | Bjorn Helgaas <bhelgaas@google.com> | 2017-11-14 12:11:33 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-11-14 12:11:33 -0600 |
commit | 89000e89bf4df8b9a0a16e1d3856913907385bd5 (patch) | |
tree | 25bd1e3b55dc0ff6df1b76d61cf672f4fbbefdc7 | |
parent | aaea12f7fe4c309c8cfa9040cbb3cb02feae0b4d (diff) | |
parent | 84d897d69938a33f4ce3877c82d573e7a2b4e5a9 (diff) | |
download | linux-89000e89bf4df8b9a0a16e1d3856913907385bd5.tar.bz2 |
Merge branch 'pci/host-layerscape' into next
* pci/host-layerscape:
PCI: layerscape: Change default error response behavior
PCI: Disable MSI for Freescale Layerscape PCIe RC mode
arm64: dts: ls1046a: Add PCIe controller DT nodes
arm64: dts: ls1012a: Add PCIe controller DT node
PCI: layerscape: Add support for ls1012a
arm64: dts: ls1012a: Add MSI controller DT node
irqchip/ls-scfg-msi: Add LS1012a MSI support
-rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt | 1 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pci/layerscape-pci.txt | 1 | ||||
-rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi | 31 | ||||
-rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 75 | ||||
-rw-r--r-- | drivers/irqchip/irq-ls-scfg-msi.c | 1 | ||||
-rw-r--r-- | drivers/pci/dwc/pci-layerscape.c | 12 | ||||
-rw-r--r-- | drivers/pci/quirks.c | 8 |
7 files changed, 129 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt index 49ccabbfa6f3..a4ff93d6b7f3 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt @@ -8,6 +8,7 @@ Required properties: "fsl,ls1043a-msi" "fsl,ls1046a-msi" "fsl,ls1043a-v1.1-msi" + "fsl,ls1012a-msi" - msi-controller: indicates that this is a PCIe MSI controller node - reg: physical base address of the controller and length of memory mapped. - interrupts: an interrupt to the parent interrupt controller. diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt index c0484da0f20d..66df1e81e0b8 100644 --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt @@ -18,6 +18,7 @@ Required properties: "fsl,ls2088a-pcie" "fsl,ls1088a-pcie" "fsl,ls1046a-pcie" + "fsl,ls1012a-pcie" - reg: base addresses and lengths of the PCIe controller register blocks. - interrupts: A list of interrupt outputs of the controller. Must contain an entry for each entry in the interrupt-names property. diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi index df83915d6ea6..fe1ea5d707a8 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi @@ -471,5 +471,36 @@ dr_mode = "host"; phy_type = "ulpi"; }; + + msi: msi-controller1@1572000 { + compatible = "fsl,ls1012a-msi"; + reg = <0x0 0x1572000 0x0 0x8>; + msi-controller; + interrupts = <0 126 IRQ_TYPE_LEVEL_HIGH>; + }; + + pcie@3400000 { + compatible = "fsl,ls1012a-pcie", "snps,dw-pcie"; + reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */ + 0x40 0x00000000 0x0 0x00002000>; /* configuration space */ + reg-names = "regs", "config"; + interrupts = <0 118 0x4>, /* controller interrupt */ + <0 117 0x4>; /* PME interrupt */ + interrupt-names = "aer", "pme"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + num-lanes = <4>; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x40 0x00010000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + msi-parent = <&msi>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic 0 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic 0 111 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic 0 112 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic 0 113 IRQ_TYPE_LEVEL_HIGH>; + }; }; }; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi index c8ff0baddf1d..e8a478ca1485 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi @@ -661,6 +661,81 @@ <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>; }; + pcie@3400000 { + compatible = "fsl,ls1046a-pcie", "snps,dw-pcie"; + reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */ + 0x40 0x00000000 0x0 0x00002000>; /* configuration space */ + reg-names = "regs", "config"; + interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */ + <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */ + interrupt-names = "aer", "pme"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + dma-coherent; + num-lanes = <4>; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x40 0x00010000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + msi-parent = <&msi1>, <&msi2>, <&msi3>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + }; + + pcie@3500000 { + compatible = "fsl,ls1046a-pcie", "snps,dw-pcie"; + reg = <0x00 0x03500000 0x0 0x00100000 /* controller registers */ + 0x48 0x00000000 0x0 0x00002000>; /* configuration space */ + reg-names = "regs", "config"; + interrupts = <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */ + <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */ + interrupt-names = "aer", "pme"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + dma-coherent; + num-lanes = <2>; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x48 0x00010000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x48 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + msi-parent = <&msi2>, <&msi3>, <&msi1>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; + }; + + pcie@3600000 { + compatible = "fsl,ls1046a-pcie", "snps,dw-pcie"; + reg = <0x00 0x03600000 0x0 0x00100000 /* controller registers */ + 0x50 0x00000000 0x0 0x00002000>; /* configuration space */ + reg-names = "regs", "config"; + interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */ + <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */ + interrupt-names = "aer", "pme"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + dma-coherent; + num-lanes = <2>; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x50 0x00010000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x50 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + msi-parent = <&msi3>, <&msi1>, <&msi2>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>; + }; + }; reserved-memory { diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c index 119f4ef0d421..57e3d900f19e 100644 --- a/drivers/irqchip/irq-ls-scfg-msi.c +++ b/drivers/irqchip/irq-ls-scfg-msi.c @@ -316,6 +316,7 @@ static const struct of_device_id ls_scfg_msi_id[] = { { .compatible = "fsl,1s1021a-msi", .data = &ls1021_msi_cfg}, { .compatible = "fsl,1s1043a-msi", .data = &ls1021_msi_cfg}, + { .compatible = "fsl,ls1012a-msi", .data = &ls1021_msi_cfg }, { .compatible = "fsl,ls1021a-msi", .data = &ls1021_msi_cfg }, { .compatible = "fsl,ls1043a-msi", .data = &ls1021_msi_cfg }, { .compatible = "fsl,ls1043a-v1.1-msi", .data = &ls1043_v1_1_msi_cfg }, diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index 87fa486bee2c..8f34c2fdc600 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -33,6 +33,8 @@ /* PEX Internal Configuration Registers */ #define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ +#define PCIE_ABSERR 0x8d0 /* Bridge Slave Error Response Register */ +#define PCIE_ABSERR_SETTING 0x9401 /* Forward error of non-posted request */ #define PCIE_IATU_NUM 6 @@ -124,6 +126,14 @@ static int ls_pcie_link_up(struct dw_pcie *pci) return 1; } +/* Forward error response of outbound non-posted requests */ +static void ls_pcie_fix_error_response(struct ls_pcie *pcie) +{ + struct dw_pcie *pci = pcie->pci; + + iowrite32(PCIE_ABSERR_SETTING, pci->dbi_base + PCIE_ABSERR); +} + static int ls_pcie_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -135,6 +145,7 @@ static int ls_pcie_host_init(struct pcie_port *pp) * dw_pcie_setup_rc() will reconfigure the outbound windows. */ ls_pcie_disable_outbound_atus(pcie); + ls_pcie_fix_error_response(pcie); dw_pcie_dbi_ro_wr_en(pci); ls_pcie_clear_multifunction(pcie); @@ -253,6 +264,7 @@ static struct ls_pcie_drvdata ls2088_drvdata = { }; static const struct of_device_id ls_pcie_of_match[] = { + { .compatible = "fsl,ls1012a-pcie", .data = &ls1046_drvdata }, { .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata }, { .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata }, { .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata }, diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0e22cce05742..cbe85e921ede 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4814,3 +4814,11 @@ static void quirk_no_ats(struct pci_dev *pdev) /* AMD Stoney platform GPU */ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats); #endif /* CONFIG_PCI_ATS */ + +/* Freescale PCIe doesn't support MSI in RC mode */ +static void quirk_fsl_no_msi(struct pci_dev *pdev) +{ + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) + pdev->no_msi = 1; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, quirk_fsl_no_msi); |