diff options
Diffstat (limited to 'drivers/pci/controller/dwc')
| -rw-r--r-- | drivers/pci/controller/dwc/Kconfig | 431 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pci-imx6.c | 7 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pci-layerscape-ep.c | 1 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.c | 10 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 1246 |
5 files changed, 745 insertions, 950 deletions
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig index 434f6a4f4041..ab96da43e0c2 100644 --- a/drivers/pci/controller/dwc/Kconfig +++ b/drivers/pci/controller/dwc/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -menu "DesignWare PCI Core Support" +menu "DesignWare-based PCIe controllers" depends on PCI config PCIE_DW @@ -14,88 +14,67 @@ config PCIE_DW_EP bool select PCIE_DW -config PCI_DRA7XX - tristate - -config PCI_DRA7XX_HOST - tristate "TI DRA7xx PCIe controller Host Mode" - depends on SOC_DRA7XX || COMPILE_TEST - depends on OF && HAS_IOMEM && TI_PIPE3 +config PCIE_AL + bool "Amazon Annapurna Labs PCIe controller" + depends on OF && (ARM64 || COMPILE_TEST) depends on PCI_MSI select PCIE_DW_HOST - select PCI_DRA7XX - default y if SOC_DRA7XX + select PCI_ECAM help - Enables support for the PCIe controller in the DRA7xx SoC to work in - host mode. There are two instances of PCIe controller in DRA7xx. - This controller can work either as EP or RC. In order to enable - host-specific features PCI_DRA7XX_HOST must be selected and in order - to enable device-specific features PCI_DRA7XX_EP must be selected. - This uses the DesignWare core. + Say Y here to enable support of the Amazon's Annapurna Labs PCIe + controller IP on Amazon SoCs. The PCIe controller uses the DesignWare + core plus Annapurna Labs proprietary hardware wrappers. This is + required only for DT-based platforms. ACPI platforms with the + Annapurna Labs PCIe controller don't need to enable this. -config PCI_DRA7XX_EP - tristate "TI DRA7xx PCIe controller Endpoint Mode" - depends on SOC_DRA7XX || COMPILE_TEST - depends on OF && HAS_IOMEM && TI_PIPE3 - depends on PCI_ENDPOINT - select PCIE_DW_EP - select PCI_DRA7XX +config PCI_MESON + tristate "Amlogic Meson PCIe controller" + default m if ARCH_MESON + depends on PCI_MSI + select PCIE_DW_HOST help - Enables support for the PCIe controller in the DRA7xx SoC to work in - endpoint mode. There are two instances of PCIe controller in DRA7xx. - This controller can work either as EP or RC. In order to enable - host-specific features PCI_DRA7XX_HOST must be selected and in order - to enable device-specific features PCI_DRA7XX_EP must be selected. - This uses the DesignWare core. + Say Y here if you want to enable PCI controller support on Amlogic + SoCs. The PCI controller on Amlogic is based on DesignWare hardware + and therefore the driver re-uses the DesignWare core functions to + implement the driver. -config PCIE_DW_PLAT +config PCIE_ARTPEC6 bool -config PCIE_DW_PLAT_HOST - bool "Platform bus based DesignWare PCIe Controller - Host mode" +config PCIE_ARTPEC6_HOST + bool "Axis ARTPEC-6 PCIe controller (host mode)" + depends on MACH_ARTPEC6 || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST - select PCIE_DW_PLAT + select PCIE_ARTPEC6 help - Enables support for the PCIe controller in the Designware IP to - work in host mode. There are two instances of PCIe controller in - Designware IP. - This controller can work either as EP or RC. In order to enable - host-specific features PCIE_DW_PLAT_HOST must be selected and in - order to enable device-specific features PCI_DW_PLAT_EP must be - selected. + Enables support for the PCIe controller in the ARTPEC-6 SoC to work in + host mode. This uses the DesignWare core. -config PCIE_DW_PLAT_EP - bool "Platform bus based DesignWare PCIe Controller - Endpoint mode" - depends on PCI && PCI_MSI +config PCIE_ARTPEC6_EP + bool "Axis ARTPEC-6 PCIe controller (endpoint mode)" + depends on MACH_ARTPEC6 || COMPILE_TEST depends on PCI_ENDPOINT select PCIE_DW_EP - select PCIE_DW_PLAT + select PCIE_ARTPEC6 help - Enables support for the PCIe controller in the Designware IP to - work in endpoint mode. There are two instances of PCIe controller - in Designware IP. - This controller can work either as EP or RC. In order to enable - host-specific features PCIE_DW_PLAT_HOST must be selected and in - order to enable device-specific features PCI_DW_PLAT_EP must be - selected. + Enables support for the PCIe controller in the ARTPEC-6 SoC to work in + endpoint mode. This uses the DesignWare core. -config PCI_EXYNOS - tristate "Samsung Exynos PCIe controller" - depends on ARCH_EXYNOS || COMPILE_TEST +config PCIE_BT1 + tristate "Baikal-T1 PCIe controller" + depends on MIPS_BAIKAL_T1 || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST help - Enables support for the PCIe controller in the Samsung Exynos SoCs - to work in host mode. The PCI controller is based on the DesignWare - hardware and therefore the driver re-uses the DesignWare core - functions to implement the driver. + Enables support for the PCIe controller in the Baikal-T1 SoC to work + in host mode. It's based on the Synopsys DWC PCIe v4.60a IP-core. config PCI_IMX6 bool config PCI_IMX6_HOST - bool "Freescale i.MX6/7/8 PCIe controller host mode" + bool "Freescale i.MX6/7/8 PCIe controller (host mode)" depends on ARCH_MXC || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST @@ -107,7 +86,7 @@ config PCI_IMX6_HOST DesignWare core functions to implement the driver. config PCI_IMX6_EP - bool "Freescale i.MX6/7/8 PCIe controller endpoint mode" + bool "Freescale i.MX6/7/8 PCIe controller (endpoint mode)" depends on ARCH_MXC || COMPILE_TEST depends on PCI_ENDPOINT select PCIE_DW_EP @@ -118,43 +97,8 @@ config PCI_IMX6_EP on DesignWare hardware and therefore the driver re-uses the DesignWare core functions to implement the driver. -config PCIE_SPEAR13XX - bool "STMicroelectronics SPEAr PCIe controller" - depends on ARCH_SPEAR13XX || COMPILE_TEST - depends on PCI_MSI - select PCIE_DW_HOST - help - Say Y here if you want PCIe support on SPEAr13XX SoCs. - -config PCI_KEYSTONE - bool - -config PCI_KEYSTONE_HOST - bool "PCI Keystone Host Mode" - depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST - depends on PCI_MSI - select PCIE_DW_HOST - select PCI_KEYSTONE - help - Enables support for the PCIe controller in the Keystone SoC to - work in host mode. The PCI controller on Keystone is based on - DesignWare hardware and therefore the driver re-uses the - DesignWare core functions to implement the driver. - -config PCI_KEYSTONE_EP - bool "PCI Keystone Endpoint Mode" - depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST - depends on PCI_ENDPOINT - select PCIE_DW_EP - select PCI_KEYSTONE - help - Enables support for the PCIe controller in the Keystone SoC to - work in endpoint mode. The PCI controller on Keystone is based - on DesignWare hardware and therefore the driver re-uses the - DesignWare core functions to implement the driver. - config PCI_LAYERSCAPE - bool "Freescale Layerscape PCIe controller - Host mode" + bool "Freescale Layerscape PCIe controller (host mode)" depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST) depends on PCI_MSI select PCIE_DW_HOST @@ -167,7 +111,7 @@ config PCI_LAYERSCAPE controller works in RC mode. config PCI_LAYERSCAPE_EP - bool "Freescale Layerscape PCIe controller - Endpoint mode" + bool "Freescale Layerscape PCIe controller (endpoint mode)" depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST) depends on PCI_ENDPOINT select PCIE_DW_EP @@ -180,7 +124,7 @@ config PCI_LAYERSCAPE_EP config PCI_HISI depends on OF && (ARM64 || COMPILE_TEST) - bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers" + bool "HiSilicon Hip05 and Hip06 SoCs PCIe controller" depends on PCI_MSI select PCIE_DW_HOST select PCI_HOST_COMMON @@ -188,83 +132,26 @@ config PCI_HISI Say Y here if you want PCIe controller support on HiSilicon Hip05 and Hip06 SoCs -config PCIE_QCOM - bool "Qualcomm PCIe controller" - depends on OF && (ARCH_QCOM || COMPILE_TEST) - depends on PCI_MSI - select PCIE_DW_HOST - select CRC8 - help - Say Y here to enable PCIe controller support on Qualcomm SoCs. The - PCIe controller uses the DesignWare core plus Qualcomm-specific - hardware wrappers. - -config PCIE_QCOM_EP - tristate "Qualcomm PCIe controller - Endpoint mode" - depends on OF && (ARCH_QCOM || COMPILE_TEST) - depends on PCI_ENDPOINT - select PCIE_DW_EP - help - Say Y here to enable support for the PCIe controllers on Qualcomm SoCs - to work in endpoint mode. The PCIe controller uses the DesignWare core - plus Qualcomm-specific hardware wrappers. - -config PCIE_ARMADA_8K - bool "Marvell Armada-8K PCIe controller" - depends on ARCH_MVEBU || COMPILE_TEST - depends on PCI_MSI - select PCIE_DW_HOST - help - Say Y here if you want to enable PCIe controller support on - Armada-8K SoCs. The PCIe controller on Armada-8K is based on - DesignWare hardware and therefore the driver re-uses the - DesignWare core functions to implement the driver. - -config PCIE_ARTPEC6 - bool - -config PCIE_ARTPEC6_HOST - bool "Axis ARTPEC-6 PCIe controller Host Mode" - depends on MACH_ARTPEC6 || COMPILE_TEST +config PCIE_KIRIN + depends on OF && (ARM64 || COMPILE_TEST) + tristate "HiSilicon Kirin PCIe controller" depends on PCI_MSI select PCIE_DW_HOST - select PCIE_ARTPEC6 - help - Enables support for the PCIe controller in the ARTPEC-6 SoC to work in - host mode. This uses the DesignWare core. - -config PCIE_ARTPEC6_EP - bool "Axis ARTPEC-6 PCIe controller Endpoint Mode" - depends on MACH_ARTPEC6 || COMPILE_TEST - depends on PCI_ENDPOINT - select PCIE_DW_EP - select PCIE_ARTPEC6 + select REGMAP_MMIO help - Enables support for the PCIe controller in the ARTPEC-6 SoC to work in - endpoint mode. This uses the DesignWare core. + Say Y here if you want PCIe controller support + on HiSilicon Kirin series SoCs. -config PCIE_BT1 - tristate "Baikal-T1 PCIe controller" - depends on MIPS_BAIKAL_T1 || COMPILE_TEST +config PCIE_HISI_STB + bool "HiSilicon STB PCIe controller" + depends on ARCH_HISI || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST help - Enables support for the PCIe controller in the Baikal-T1 SoC to work - in host mode. It's based on the Synopsys DWC PCIe v4.60a IP-core. - -config PCIE_ROCKCHIP_DW_HOST - bool "Rockchip DesignWare PCIe controller" - select PCIE_DW - select PCIE_DW_HOST - depends on PCI_MSI - depends on ARCH_ROCKCHIP || COMPILE_TEST - depends on OF - help - Enables support for the DesignWare PCIe controller in the - Rockchip SoC except RK3399. + Say Y here if you want PCIe controller support on HiSilicon STB SoCs config PCIE_INTEL_GW - bool "Intel Gateway PCIe host controller support" + bool "Intel Gateway PCIe controller " depends on OF && (X86 || COMPILE_TEST) depends on PCI_MSI select PCIE_DW_HOST @@ -278,7 +165,7 @@ config PCIE_KEEMBAY bool config PCIE_KEEMBAY_HOST - bool "Intel Keem Bay PCIe controller - Host mode" + bool "Intel Keem Bay PCIe controller (host mode)" depends on ARCH_KEEMBAY || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST @@ -290,7 +177,7 @@ config PCIE_KEEMBAY_HOST DesignWare core functions. config PCIE_KEEMBAY_EP - bool "Intel Keem Bay PCIe controller - Endpoint mode" + bool "Intel Keem Bay PCIe controller (endpoint mode)" depends on ARCH_KEEMBAY || COMPILE_TEST depends on PCI_MSI depends on PCI_ENDPOINT @@ -302,39 +189,22 @@ config PCIE_KEEMBAY_EP The PCIe controller is based on DesignWare Hardware and uses DesignWare core functions. -config PCIE_KIRIN - depends on OF && (ARM64 || COMPILE_TEST) - tristate "HiSilicon Kirin series SoCs PCIe controllers" - depends on PCI_MSI - select PCIE_DW_HOST - help - Say Y here if you want PCIe controller support - on HiSilicon Kirin series SoCs. - -config PCIE_HISI_STB - bool "HiSilicon STB SoCs PCIe controllers" - depends on ARCH_HISI || COMPILE_TEST - depends on PCI_MSI - select PCIE_DW_HOST - help - Say Y here if you want PCIe controller support on HiSilicon STB SoCs - -config PCI_MESON - tristate "MESON PCIe controller" - default m if ARCH_MESON +config PCIE_ARMADA_8K + bool "Marvell Armada-8K PCIe controller" + depends on ARCH_MVEBU || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST help - Say Y here if you want to enable PCI controller support on Amlogic - SoCs. The PCI controller on Amlogic is based on DesignWare hardware - and therefore the driver re-uses the DesignWare core functions to - implement the driver. + Say Y here if you want to enable PCIe controller support on + Armada-8K SoCs. The PCIe controller on Armada-8K is based on + DesignWare hardware and therefore the driver re-uses the + DesignWare core functions to implement the driver. config PCIE_TEGRA194 tristate config PCIE_TEGRA194_HOST - tristate "NVIDIA Tegra194 (and later) PCIe controller - Host Mode" + tristate "NVIDIA Tegra194 (and later) PCIe controller (host mode)" depends on ARCH_TEGRA_194_SOC || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST @@ -349,7 +219,7 @@ config PCIE_TEGRA194_HOST selected. This uses the DesignWare core. config PCIE_TEGRA194_EP - tristate "NVIDIA Tegra194 (and later) PCIe controller - Endpoint Mode" + tristate "NVIDIA Tegra194 (and later) PCIe controller (endpoint mode)" depends on ARCH_TEGRA_194_SOC || COMPILE_TEST depends on PCI_ENDPOINT select PCIE_DW_EP @@ -363,17 +233,92 @@ config PCIE_TEGRA194_EP in order to enable device-specific features PCIE_TEGRA194_EP must be selected. This uses the DesignWare core. -config PCIE_VISCONTI_HOST - bool "Toshiba Visconti PCIe controllers" - depends on ARCH_VISCONTI || COMPILE_TEST +config PCIE_DW_PLAT + bool + +config PCIE_DW_PLAT_HOST + bool "Platform bus based DesignWare PCIe controller (host mode)" depends on PCI_MSI select PCIE_DW_HOST + select PCIE_DW_PLAT help - Say Y here if you want PCIe controller support on Toshiba Visconti SoC. - This driver supports TMPV7708 SoC. + Enables support for the PCIe controller in the Designware IP to + work in host mode. There are two instances of PCIe controller in + Designware IP. + This controller can work either as EP or RC. In order to enable + host-specific features PCIE_DW_PLAT_HOST must be selected and in + order to enable device-specific features PCI_DW_PLAT_EP must be + selected. + +config PCIE_DW_PLAT_EP + bool "Platform bus based DesignWare PCIe controller (endpoint mode)" + depends on PCI && PCI_MSI + depends on PCI_ENDPOINT + select PCIE_DW_EP + select PCIE_DW_PLAT + help + Enables support for the PCIe controller in the Designware IP to + work in endpoint mode. There are two instances of PCIe controller + in Designware IP. + This controller can work either as EP or RC. In order to enable + host-specific features PCIE_DW_PLAT_HOST must be selected and in + order to enable device-specific features PCI_DW_PLAT_EP must be + selected. + +config PCIE_QCOM + bool "Qualcomm PCIe controller (host mode)" + depends on OF && (ARCH_QCOM || COMPILE_TEST) + depends on PCI_MSI + select PCIE_DW_HOST + select CRC8 + help + Say Y here to enable PCIe controller support on Qualcomm SoCs. The + PCIe controller uses the DesignWare core plus Qualcomm-specific + hardware wrappers. + +config PCIE_QCOM_EP + tristate "Qualcomm PCIe controller (endpoint mode)" + depends on OF && (ARCH_QCOM || COMPILE_TEST) + depends on PCI_ENDPOINT + select PCIE_DW_EP + help + Say Y here to enable support for the PCIe controllers on Qualcomm SoCs + to work in endpoint mode. The PCIe controller uses the DesignWare core + plus Qualcomm-specific hardware wrappers. + +config PCIE_ROCKCHIP_DW_HOST + bool "Rockchip DesignWare PCIe controller" + select PCIE_DW + select PCIE_DW_HOST + depends on PCI_MSI + depends on ARCH_ROCKCHIP || COMPILE_TEST + depends on OF + help + Enables support for the DesignWare PCIe controller in the + Rockchip SoC except RK3399. + +config PCI_EXYNOS + tristate "Samsung Exynos PCIe controller" + depends on ARCH_EXYNOS || COMPILE_TEST + depends on PCI_MSI + select PCIE_DW_HOST + help + Enables support for the PCIe controller in the Samsung Exynos SoCs + to work in host mode. The PCI controller is based on the DesignWare + hardware and therefore the driver re-uses the DesignWare core + functions to implement the driver. + +config PCIE_FU740 + bool "SiFive FU740 PCIe controller" + depends on PCI_MSI + depends on SOC_SIFIVE || COMPILE_TEST + select PCIE_DW_HOST + help + Say Y here if you want PCIe controller support for the SiFive + FU740. config PCIE_UNIPHIER - bool "Socionext UniPhier PCIe host controllers" + bool "Socionext UniPhier PCIe controller (host mode)" depends on ARCH_UNIPHIER || COMPILE_TEST depends on OF && HAS_IOMEM depends on PCI_MSI @@ -383,7 +328,7 @@ config PCIE_UNIPHIER This driver supports LD20 and PXs3 SoCs. config PCIE_UNIPHIER_EP - bool "Socionext UniPhier PCIe endpoint controllers" + bool "Socionext UniPhier PCIe controller (endpoint mode)" depends on ARCH_UNIPHIER || COMPILE_TEST depends on OF && HAS_IOMEM depends on PCI_ENDPOINT @@ -392,26 +337,82 @@ config PCIE_UNIPHIER_EP Say Y here if you want PCIe endpoint controller support on UniPhier SoCs. This driver supports Pro5 SoC. -config PCIE_AL - bool "Amazon Annapurna Labs PCIe controller" - depends on OF && (ARM64 || COMPILE_TEST) +config PCIE_SPEAR13XX + bool "STMicroelectronics SPEAr PCIe controller" + depends on ARCH_SPEAR13XX || COMPILE_TEST depends on PCI_MSI select PCIE_DW_HOST - select PCI_ECAM help - Say Y here to enable support of the Amazon's Annapurna Labs PCIe - controller IP on Amazon SoCs. The PCIe controller uses the DesignWare - core plus Annapurna Labs proprietary hardware wrappers. This is - required only for DT-based platforms. ACPI platforms with the - Annapurna Labs PCIe controller don't need to enable this. + Say Y here if you want PCIe support on SPEAr13XX SoCs. -config PCIE_FU740 - bool "SiFive FU740 PCIe host controller" +config PCI_DRA7XX + tristate + +config PCI_DRA7XX_HOST + tristate "TI DRA7xx PCIe controller (host mode)" + depends on SOC_DRA7XX || COMPILE_TEST + depends on OF && HAS_IOMEM && TI_PIPE3 depends on PCI_MSI - depends on SOC_SIFIVE || COMPILE_TEST select PCIE_DW_HOST + select PCI_DRA7XX + default y if SOC_DRA7XX help - Say Y here if you want PCIe controller support for the SiFive - FU740. + Enables support for the PCIe controller in the DRA7xx SoC to work in + host mode. There are two instances of PCIe controller in DRA7xx. + This controller can work either as EP or RC. In order to enable + host-specific features PCI_DRA7XX_HOST must be selected and in order + to enable device-specific features PCI_DRA7XX_EP must be selected. + This uses the DesignWare core. + +config PCI_DRA7XX_EP + tristate "TI DRA7xx PCIe controller (endpoint mode)" + depends on SOC_DRA7XX || COMPILE_TEST + depends on OF && HAS_IOMEM && TI_PIPE3 + depends on PCI_ENDPOINT + select PCIE_DW_EP + select PCI_DRA7XX + help + Enables support for the PCIe controller in the DRA7xx SoC to work in + endpoint mode. There are two instances of PCIe controller in DRA7xx. + This controller can work either as EP or RC. In order to enable + host-specific features PCI_DRA7XX_HOST must be selected and in order + to enable device-specific features PCI_DRA7XX_EP must be selected. + This uses the DesignWare core. + +config PCI_KEYSTONE + bool + +config PCI_KEYSTONE_HOST + bool "TI Keystone PCIe controller (host mode)" + depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST + depends on PCI_MSI + select PCIE_DW_HOST + select PCI_KEYSTONE + help + Enables support for the PCIe controller in the Keystone SoC to + work in host mode. The PCI controller on Keystone is based on + DesignWare hardware and therefore the driver re-uses the + DesignWare core functions to implement the driver. + +config PCI_KEYSTONE_EP + bool "TI Keystone PCIe controller (endpoint mode)" + depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST + depends on PCI_ENDPOINT + select PCIE_DW_EP + select PCI_KEYSTONE + help + Enables support for the PCIe controller in the Keystone SoC to + work in endpoint mode. The PCI controller on Keystone is based + on DesignWare hardware and therefore the driver re-uses the + DesignWare core functions to implement the driver. + +config PCIE_VISCONTI_HOST + bool "Toshiba Visconti PCIe controller" + depends on ARCH_VISCONTI || COMPILE_TEST + depends on PCI_MSI + select PCIE_DW_HOST + help + Say Y here if you want PCIe controller support on Toshiba Visconti SoC. + This driver supports TMPV7708 SoC. endmenu diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 55a0405b921d..52906f999f2b 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1566,6 +1566,13 @@ DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_SYNOPSYS, 0xabcd, static int __init imx6_pcie_init(void) { #ifdef CONFIG_ARM + struct device_node *np; + + np = of_find_matching_node(NULL, imx6_pcie_of_match); + if (!np) + return -ENODEV; + of_node_put(np); + /* * Since probe() can be deferred we need to make sure that * hook_fault_code is not called after __init memory is freed diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index ad99707b3b99..c640db60edc6 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -110,6 +110,7 @@ static const struct ls_pcie_ep_drvdata lx2_ep_drvdata = { }; static const struct of_device_id ls_pcie_ep_of_match[] = { + { .compatible = "fsl,ls1028a-pcie-ep", .data = &ls1_ep_drvdata }, { .compatible = "fsl,ls1046a-pcie-ep", .data = &ls1_ep_drvdata }, { .compatible = "fsl,ls1088a-pcie-ep", .data = &ls2_ep_drvdata }, { .compatible = "fsl,ls2088a-pcie-ep", .data = &ls2_ep_drvdata }, diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index 53a16b8b6ac2..8e33e6e59e68 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -1001,11 +1001,6 @@ void dw_pcie_setup(struct dw_pcie *pci) dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val); } - val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); - val &= ~PORT_LINK_FAST_LINK_MODE; - val |= PORT_LINK_DLL_LINK_EN; - dw_pcie_writel_dbi(pci, PCIE_PORT_LINK_CONTROL, val); - if (dw_pcie_cap_is(pci, CDM_CHECK)) { val = dw_pcie_readl_dbi(pci, PCIE_PL_CHK_REG_CONTROL_STATUS); val |= PCIE_PL_CHK_REG_CHK_REG_CONTINUOUS | @@ -1013,6 +1008,11 @@ void dw_pcie_setup(struct dw_pcie *pci) dw_pcie_writel_dbi(pci, PCIE_PL_CHK_REG_CONTROL_STATUS, val); } + val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); + val &= ~PORT_LINK_FAST_LINK_MODE; + val |= PORT_LINK_DLL_LINK_EN; + dw_pcie_writel_dbi(pci, PCIE_PORT_LINK_CONTROL, val); + if (!pci->num_lanes) { dev_dbg(pci->dev, "Using h/w default number of lanes\n"); return; diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index a232b04af048..4ab30892f6ef 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -10,6 +10,7 @@ #include <linux/clk.h> #include <linux/crc8.h> +#include <linux/debugfs.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/interconnect.h> @@ -33,7 +34,44 @@ #include "../../pci.h" #include "pcie-designware.h" -#define PCIE20_PARF_SYS_CTRL 0x00 +/* PARF registers */ +#define PARF_SYS_CTRL 0x00 +#define PARF_PM_CTRL 0x20 +#define PARF_PCS_DEEMPH 0x34 +#define PARF_PCS_SWING 0x38 +#define PARF_PHY_CTRL 0x40 +#define PARF_PHY_REFCLK 0x4c +#define PARF_CONFIG_BITS 0x50 +#define PARF_DBI_BASE_ADDR 0x168 +#define PARF_SLV_ADDR_SPACE_SIZE_2_3_3 0x16c /* Register offset specific to IP ver 2.3.3 */ +#define PARF_MHI_CLOCK_RESET_CTRL 0x174 +#define PARF_AXI_MSTR_WR_ADDR_HALT 0x178 +#define PARF_AXI_MSTR_WR_ADDR_HALT_V2 0x1a8 +#define PARF_Q2A_FLUSH 0x1ac +#define PARF_LTSSM 0x1b0 +#define PARF_SID_OFFSET 0x234 +#define PARF_BDF_TRANSLATE_CFG 0x24c +#define PARF_SLV_ADDR_SPACE_SIZE 0x358 +#define PARF_DEVICE_TYPE 0x1000 +#define PARF_BDF_TO_SID_TABLE_N 0x2000 + +/* ELBI registers */ +#define ELBI_SYS_CTRL 0x04 + +/* DBI registers */ +#define AXI_MSTR_RESP_COMP_CTRL0 0x818 +#define AXI_MSTR_RESP_COMP_CTRL1 0x81c +#define MISC_CONTROL_1_REG 0x8bc + +/* MHI registers */ +#define PARF_DEBUG_CNT_PM_LINKST_IN_L2 0xc04 +#define PARF_DEBUG_CNT_PM_LINKST_IN_L1 0xc0c +#define PARF_DEBUG_CNT_PM_LINKST_IN_L0S 0xc10 +#define PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L1 0xc84 +#define PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L2 0xc88 + +/* PARF_SYS_CTRL register fields */ +#define MAC_PHY_POWERDOWN_IN_P2_D_MUX_EN BIT(29) #define MST_WAKEUP_EN BIT(13) #define SLV_WAKEUP_EN BIT(12) #define MSTR_ACLK_CGC_DIS BIT(10) @@ -43,45 +81,63 @@ #define L23_CLK_RMV_DIS BIT(2) #define L1_CLK_RMV_DIS BIT(1) -#define PCIE20_PARF_PM_CTRL 0x20 +/* PARF_PM_CTRL register fields */ #define REQ_NOT_ENTR_L1 BIT(5) -#define PCIE20_PARF_PHY_CTRL 0x40 +/* PARF_PCS_DEEMPH register fields */ +#define PCS_DEEMPH_TX_DEEMPH_GEN1(x) FIELD_PREP(GENMASK(21, 16), x) +#define PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(x) FIELD_PREP(GENMASK(13, 8), x) +#define PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(x) FIELD_PREP(GENMASK(5, 0), x) + +/* PARF_PCS_SWING register fields */ +#define PCS_SWING_TX_SWING_FULL(x) FIELD_PREP(GENMASK(14, 8), x) +#define PCS_SWING_TX_SWING_LOW(x) FIELD_PREP(GENMASK(6, 0), x) + +/* PARF_PHY_CTRL register fields */ #define PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK GENMASK(20, 16) -#define PHY_CTRL_PHY_TX0_TERM_OFFSET(x) ((x) << 16) +#define PHY_CTRL_PHY_TX0_TERM_OFFSET(x) FIELD_PREP(PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK, x) +#define PHY_TEST_PWR_DOWN BIT(0) -#define PCIE20_PARF_PHY_REFCLK 0x4C +/* PARF_PHY_REFCLK register fields */ #define PHY_REFCLK_SSP_EN BIT(16) #define PHY_REFCLK_USE_PAD BIT(12) -#define PCIE20_PARF_DBI_BASE_ADDR 0x168 -#define PCIE20_PARF_SLV_ADDR_SPACE_SIZE 0x16C -#define PCIE20_PARF_MHI_CLOCK_RESET_CTRL 0x174 +/* PARF_CONFIG_BITS register fields */ +#define PHY_RX0_EQ(x) FIELD_PREP(GENMASK(26, 24), x) + +/* PARF_SLV_ADDR_SPACE_SIZE register value */ +#define SLV_ADDR_SPACE_SZ 0x10000000 + +/* PARF_MHI_CLOCK_RESET_CTRL register fields */ #define AHB_CLK_EN BIT(0) #define MSTR_AXI_CLK_EN BIT(1) #define BYPASS BIT(4) -#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT 0x178 -#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2 0x1A8 -#define PCIE20_PARF_LTSSM 0x1B0 -#define PCIE20_PARF_SID_OFFSET 0x234 -#define PCIE20_PARF_BDF_TRANSLATE_CFG 0x24C -#define PCIE20_PARF_DEVICE_TYPE 0x1000 -#define PCIE20_PARF_BDF_TO_SID_TABLE_N 0x2000 +/* PARF_AXI_MSTR_WR_ADDR_HALT register fields */ +#define EN BIT(31) + +/* PARF_LTSSM register fields */ +#define LTSSM_EN BIT(8) -#define PCIE20_ELBI_SYS_CTRL 0x04 -#define PCIE20_ELBI_SYS_CTRL_LT_ENABLE BIT(0) +/* PARF_DEVICE_TYPE register fields */ +#define DEVICE_TYPE_RC 0x4 + +/* ELBI_SYS_CTRL register fields */ +#define ELBI_SYS_CTRL_LT_ENABLE BIT(0) -#define PCIE20_AXI_MSTR_RESP_COMP_CTRL0 0x818 +/* AXI_MSTR_RESP_COMP_CTRL0 register fields */ #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K 0x4 #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_4K 0x5 -#define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c + +/* AXI_MSTR_RESP_COMP_CTRL1 register fields */ #define CFG_BRIDGE_SB_INIT BIT(0) -#define PCIE_CAP_SLOT_POWER_LIMIT_VAL FIELD_PREP(PCI_EXP_SLTCAP_SPLV, \ - 250) -#define PCIE_CAP_SLOT_POWER_LIMIT_SCALE FIELD_PREP(PCI_EXP_SLTCAP_SPLS, \ - 1) +/* MISC_CONTROL_1_REG register fields */ +#define DBI_RO_WR_EN 1 + +/* PCI_EXP_SLTCAP register fields */ +#define PCIE_CAP_SLOT_POWER_LIMIT_VAL FIELD_PREP(PCI_EXP_SLTCAP_SPLV, 250) +#define PCIE_CAP_SLOT_POWER_LIMIT_SCALE FIELD_PREP(PCI_EXP_SLTCAP_SPLS, 1) #define PCIE_CAP_SLOT_VAL (PCI_EXP_SLTCAP_ABP | \ PCI_EXP_SLTCAP_PCP | \ PCI_EXP_SLTCAP_MRLSP | \ @@ -93,103 +149,62 @@ PCIE_CAP_SLOT_POWER_LIMIT_VAL | \ PCIE_CAP_SLOT_POWER_LIMIT_SCALE) -#define PCIE20_PARF_Q2A_FLUSH 0x1AC - -#define PCIE20_MISC_CONTROL_1_REG 0x8BC -#define DBI_RO_WR_EN 1 - #define PERST_DELAY_US 1000 -/* PARF registers */ -#define PCIE20_PARF_PCS_DEEMPH 0x34 -#define PCS_DEEMPH_TX_DEEMPH_GEN1(x) ((x) << 16) -#define PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(x) ((x) << 8) -#define PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(x) ((x) << 0) -#define PCIE20_PARF_PCS_SWING 0x38 -#define PCS_SWING_TX_SWING_FULL(x) ((x) << 8) -#define PCS_SWING_TX_SWING_LOW(x) ((x) << 0) +#define QCOM_PCIE_CRC8_POLYNOMIAL (BIT(2) | BIT(1) | BIT(0)) -#define PCIE20_PARF_CONFIG_BITS 0x50 -#define PHY_RX0_EQ(x) ((x) << 24) - -#define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE 0x358 -#define SLV_ADDR_SPACE_SZ 0x10000000 - -#define PCIE20_LNK_CONTROL2_LINK_STATUS2 0xa0 - -#define DEVICE_TYPE_RC 0x4 - -#define QCOM_PCIE_2_1_0_MAX_SUPPLY 3 -#define QCOM_PCIE_2_1_0_MAX_CLOCKS 5 - -#define QCOM_PCIE_CRC8_POLYNOMIAL (BIT(2) | BIT(1) | BIT(0)) +#define QCOM_PCIE_1_0_0_MAX_CLOCKS 4 +struct qcom_pcie_resources_1_0_0 { + struct clk_bulk_data clks[QCOM_PCIE_1_0_0_MAX_CLOCKS]; + struct reset_control *core; + struct regulator *vdda; +}; +#define QCOM_PCIE_2_1_0_MAX_CLOCKS 5 +#define QCOM_PCIE_2_1_0_MAX_RESETS 6 +#define QCOM_PCIE_2_1_0_MAX_SUPPLY 3 struct qcom_pcie_resources_2_1_0 { struct clk_bulk_data clks[QCOM_PCIE_2_1_0_MAX_CLOCKS]; - struct reset_control *pci_reset; - struct reset_control *axi_reset; - struct reset_control *ahb_reset; - struct reset_control *por_reset; - struct reset_control *phy_reset; - struct reset_control *ext_reset; + struct reset_control_bulk_data resets[QCOM_PCIE_2_1_0_MAX_RESETS]; + int num_resets; struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY]; }; -struct qcom_pcie_resources_1_0_0 { - struct clk *iface; - struct clk *aux; - struct clk *master_bus; - struct clk *slave_bus; - struct reset_control *core; - struct regulator *vdda; -}; - -#define QCOM_PCIE_2_3_2_MAX_SUPPLY 2 +#define QCOM_PCIE_2_3_2_MAX_CLOCKS 4 +#define QCOM_PCIE_2_3_2_MAX_SUPPLY 2 struct qcom_pcie_resources_2_3_2 { - struct clk *aux_clk; - struct clk *master_clk; - struct clk *slave_clk; - struct clk *cfg_clk; + struct clk_bulk_data clks[QCOM_PCIE_2_3_2_MAX_CLOCKS]; struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY]; }; -#define QCOM_PCIE_2_4_0_MAX_CLOCKS 4 +#define QCOM_PCIE_2_3_3_MAX_CLOCKS 5 +#define QCOM_PCIE_2_3_3_MAX_RESETS 7 +struct qcom_pcie_resources_2_3_3 { + struct clk_bulk_data clks[QCOM_PCIE_2_3_3_MAX_CLOCKS]; + struct reset_control_bulk_data rst[QCOM_PCIE_2_3_3_MAX_RESETS]; +}; + +#define QCOM_PCIE_2_4_0_MAX_CLOCKS 4 +#define QCOM_PCIE_2_4_0_MAX_RESETS 12 struct qcom_pcie_resources_2_4_0 { struct clk_bulk_data clks[QCOM_PCIE_2_4_0_MAX_CLOCKS]; int num_clks; - struct reset_control *axi_m_reset; - struct reset_control *axi_s_reset; - struct reset_control *pipe_reset; - struct reset_control *axi_m_vmid_reset; - struct reset_control *axi_s_xpu_reset; - struct reset_control *parf_reset; - struct reset_control *phy_reset; - struct reset_control *axi_m_sticky_reset; - struct reset_control *pipe_sticky_reset; - struct reset_control *pwr_reset; - struct reset_control *ahb_reset; - struct reset_control *phy_ahb_reset; -}; - -struct qcom_pcie_resources_2_3_3 { - struct clk *iface; - struct clk *axi_m_clk; - struct clk *axi_s_clk; - struct clk *ahb_clk; - struct clk *aux_clk; - struct reset_control *rst[7]; + struct reset_control_bulk_data resets[QCOM_PCIE_2_4_0_MAX_RESETS]; + int num_resets; }; -/* 6 clocks typically, 7 for sm8250 */ +#define QCOM_PCIE_2_7_0_MAX_CLOCKS 15 +#define QCOM_PCIE_2_7_0_MAX_SUPPLIES 2 struct qcom_pcie_resources_2_7_0 { - struct clk_bulk_data clks[12]; + struct clk_bulk_data clks[QCOM_PCIE_2_7_0_MAX_CLOCKS]; int num_clks; - struct regulator_bulk_data supplies[2]; - struct reset_control *pci_reset; + struct regulator_bulk_data supplies[QCOM_PCIE_2_7_0_MAX_SUPPLIES]; + struct reset_control *rst; }; +#define QCOM_PCIE_2_9_0_MAX_CLOCKS 5 struct qcom_pcie_resources_2_9_0 { - struct clk_bulk_data clks[5]; + struct clk_bulk_data clks[QCOM_PCIE_2_9_0_MAX_CLOCKS]; struct reset_control *rst; }; @@ -222,11 +237,14 @@ struct qcom_pcie { struct dw_pcie *pci; void __iomem *parf; /* DT parf */ void __iomem *elbi; /* DT elbi */ + void __iomem *mhi; union qcom_pcie_resources res; struct phy *phy; struct gpio_desc *reset; struct icc_path *icc_mem; const struct qcom_pcie_cfg *cfg; + struct dentry *debugfs; + bool suspended; }; #define to_qcom_pcie(x) dev_get_drvdata((x)->dev) @@ -261,9 +279,9 @@ static void qcom_pcie_2_1_0_ltssm_enable(struct qcom_pcie *pcie) u32 val; /* enable link training */ - val = readl(pcie->elbi + PCIE20_ELBI_SYS_CTRL); - val |= PCIE20_ELBI_SYS_CTRL_LT_ENABLE; - writel(val, pcie->elbi + PCIE20_ELBI_SYS_CTRL); + val = readl(pcie->elbi + ELBI_SYS_CTRL); + val |= ELBI_SYS_CTRL_LT_ENABLE; + writel(val, pcie->elbi + ELBI_SYS_CTRL); } static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie) @@ -271,6 +289,7 @@ static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; + bool is_apq = of_device_is_compatible(dev->of_node, "qcom,pcie-apq8064"); int ret; res->supplies[0].supply = "vdda"; @@ -297,28 +316,20 @@ static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie) if (ret < 0) return ret; - res->pci_reset = devm_reset_control_get_exclusive(dev, "pci"); - if (IS_ERR(res->pci_reset)) - return PTR_ERR(res->pci_reset); - - res->axi_reset = devm_reset_control_get_exclusive(dev, "axi"); - if (IS_ERR(res->axi_reset)) - return PTR_ERR(res->axi_reset); - - res->ahb_reset = devm_reset_control_get_exclusive(dev, "ahb"); - if (IS_ERR(res->ahb_reset)) - return PTR_ERR(res->ahb_reset); + res->resets[0].id = "pci"; + res->resets[1].id = "axi"; + res->resets[2].id = "ahb"; + res->resets[3].id = "por"; + res->resets[4].id = "phy"; + res->resets[5].id = "ext"; - res->por_reset = devm_reset_control_get_exclusive(dev, "por"); - if (IS_ERR(res->por_reset)) - return PTR_ERR(res->por_reset); - - res->ext_reset = devm_reset_control_get_optional_exclusive(dev, "ext"); - if (IS_ERR(res->ext_reset)) - return PTR_ERR(res->ext_reset); + /* ext is optional on APQ8016 */ + res->num_resets = is_apq ? 5 : 6; + ret = devm_reset_control_bulk_get_exclusive(dev, res->num_resets, res->resets); + if (ret < 0) + return ret; - res->phy_reset = devm_reset_control_get_exclusive(dev, "phy"); - return PTR_ERR_OR_ZERO(res->phy_reset); + return 0; } static void qcom_pcie_deinit_2_1_0(struct qcom_pcie *pcie) @@ -326,14 +337,9 @@ static void qcom_pcie_deinit_2_1_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0; clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); - reset_control_assert(res->pci_reset); - reset_control_assert(res->axi_reset); - reset_control_assert(res->ahb_reset); - reset_control_assert(res->por_reset); - reset_control_assert(res->ext_reset); - reset_control_assert(res->phy_reset); + reset_control_bulk_assert(res->num_resets, res->resets); - writel(1, pcie->parf + PCIE20_PARF_PHY_CTRL); + writel(1, pcie->parf + PARF_PHY_CTRL); regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); } @@ -346,12 +352,11 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie) int ret; /* reset the PCIe interface as uboot can leave it undefined state */ - reset_control_assert(res->pci_reset); - reset_control_assert(res->axi_reset); - reset_control_assert(res->ahb_reset); - reset_control_assert(res->por_reset); - reset_control_assert(res->ext_reset); - reset_control_assert(res->phy_reset); + ret = reset_control_bulk_assert(res->num_resets, res->resets); + if (ret < 0) { + dev_err(dev, "cannot assert resets\n"); + return ret; + } ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies); if (ret < 0) { @@ -359,58 +364,14 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie) return ret; } - ret = reset_control_deassert(res->ahb_reset); - if (ret) { - dev_err(dev, "cannot deassert ahb reset\n"); - goto err_deassert_ahb; - } - - ret = reset_control_deassert(res->ext_reset); - if (ret) { - dev_err(dev, "cannot deassert ext reset\n"); - goto err_deassert_ext; - } - - ret = reset_control_deassert(res->phy_reset); - if (ret) { - dev_err(dev, "cannot deassert phy reset\n"); - goto err_deassert_phy; - } - - ret = reset_control_deassert(res->pci_reset); - if (ret) { - dev_err(dev, "cannot deassert pci reset\n"); - goto err_deassert_pci; - } - - ret = reset_control_deassert(res->por_reset); - if (ret) { - dev_err(dev, "cannot deassert por reset\n"); - goto err_deassert_por; - } - - ret = reset_control_deassert(res->axi_reset); - if (ret) { - dev_err(dev, "cannot deassert axi reset\n"); - goto err_deassert_axi; + ret = reset_control_bulk_deassert(res->num_resets, res->resets); + if (ret < 0) { + dev_err(dev, "cannot deassert resets\n"); + regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); + return ret; } return 0; - -err_deassert_axi: - reset_control_assert(res->por_reset); -err_deassert_por: - reset_control_assert(res->pci_reset); -err_deassert_pci: - reset_control_assert(res->phy_reset); -err_deassert_phy: - reset_control_assert(res->ext_reset); -err_deassert_ext: - reset_control_assert(res->ahb_reset); -err_deassert_ahb: - regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); - - return ret; } static int qcom_pcie_post_init_2_1_0(struct qcom_pcie *pcie) @@ -423,9 +384,9 @@ static int qcom_pcie_post_init_2_1_0(struct qcom_pcie *pcie) int ret; /* enable PCIe clocks and resets */ - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); if (ret) @@ -436,37 +397,37 @@ static int qcom_pcie_post_init_2_1_0(struct qcom_pcie *pcie) writel(PCS_DEEMPH_TX_DEEMPH_GEN1(24) | PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(24) | PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(34), - pcie->parf + PCIE20_PARF_PCS_DEEMPH); + pcie->parf + PARF_PCS_DEEMPH); writel(PCS_SWING_TX_SWING_FULL(120) | PCS_SWING_TX_SWING_LOW(120), - pcie->parf + PCIE20_PARF_PCS_SWING); - writel(PHY_RX0_EQ(4), pcie->parf + PCIE20_PARF_CONFIG_BITS); + pcie->parf + PARF_PCS_SWING); + writel(PHY_RX0_EQ(4), pcie->parf + PARF_CONFIG_BITS); } if (of_device_is_compatible(node, "qcom,pcie-ipq8064")) { /* set TX termination offset */ - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); val &= ~PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK; val |= PHY_CTRL_PHY_TX0_TERM_OFFSET(7); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + writel(val, pcie->parf + PARF_PHY_CTRL); } /* enable external reference clock */ - val = readl(pcie->parf + PCIE20_PARF_PHY_REFCLK); + val = readl(pcie->parf + PARF_PHY_REFCLK); /* USE_PAD is required only for ipq806x */ if (!of_device_is_compatible(node, "qcom,pcie-apq8064")) val &= ~PHY_REFCLK_USE_PAD; val |= PHY_REFCLK_SSP_EN; - writel(val, pcie->parf + PCIE20_PARF_PHY_REFCLK); + writel(val, pcie->parf + PARF_PHY_REFCLK); /* wait for clock acquisition */ usleep_range(1000, 1500); /* Set the Max TLP size to 2K, instead of using default of 4K */ writel(CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K, - pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); + pci->dbi_base + AXI_MSTR_RESP_COMP_CTRL0); writel(CFG_BRIDGE_SB_INIT, - pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL1); + pci->dbi_base + AXI_MSTR_RESP_COMP_CTRL1); return 0; } @@ -476,26 +437,20 @@ static int qcom_pcie_get_resources_1_0_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; + int ret; res->vdda = devm_regulator_get(dev, "vdda"); if (IS_ERR(res->vdda)) return PTR_ERR(res->vdda); - res->iface = devm_clk_get(dev, "iface"); - if (IS_ERR(res->iface)) - return PTR_ERR(res->iface); - - res->aux = devm_clk_get(dev, "aux"); - if (IS_ERR(res->aux)) - return PTR_ERR(res->aux); - - res->master_bus = devm_clk_get(dev, "master_bus"); - if (IS_ERR(res->master_bus)) - return PTR_ERR(res->master_bus); + res->clks[0].id = "iface"; + res->clks[1].id = "aux"; + res->clks[2].id = "master_bus"; + res->clks[3].id = "slave_bus"; - res->slave_bus = devm_clk_get(dev, "slave_bus"); - if (IS_ERR(res->slave_bus)) - return PTR_ERR(res->slave_bus); + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) + return ret; res->core = devm_reset_control_get_exclusive(dev, "core"); return PTR_ERR_OR_ZERO(res->core); @@ -506,10 +461,7 @@ static void qcom_pcie_deinit_1_0_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0; reset_control_assert(res->core); - clk_disable_unprepare(res->slave_bus); - clk_disable_unprepare(res->master_bus); - clk_disable_unprepare(res->iface); - clk_disable_unprepare(res->aux); + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); regulator_disable(res->vdda); } @@ -526,46 +478,23 @@ static int qcom_pcie_init_1_0_0(struct qcom_pcie *pcie) return ret; } - ret = clk_prepare_enable(res->aux); - if (ret) { - dev_err(dev, "cannot prepare/enable aux clock\n"); - goto err_res; - } - - ret = clk_prepare_enable(res->iface); - if (ret) { - dev_err(dev, "cannot prepare/enable iface clock\n"); - goto err_aux; - } - - ret = clk_prepare_enable(res->master_bus); - if (ret) { - dev_err(dev, "cannot prepare/enable master_bus clock\n"); - goto err_iface; - } - - ret = clk_prepare_enable(res->slave_bus); + ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); if (ret) { - dev_err(dev, "cannot prepare/enable slave_bus clock\n"); - goto err_master; + dev_err(dev, "cannot prepare/enable clocks\n"); + goto err_assert_reset; } ret = regulator_enable(res->vdda); if (ret) { dev_err(dev, "cannot enable vdda regulator\n"); - goto err_slave; + goto err_disable_clks; } return 0; -err_slave: - clk_disable_unprepare(res->slave_bus); -err_master: - clk_disable_unprepare(res->master_bus); -err_iface: - clk_disable_unprepare(res->iface); -err_aux: - clk_disable_unprepare(res->aux); -err_res: + +err_disable_clks: + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); +err_assert_reset: reset_control_assert(res->core); return ret; @@ -574,13 +503,13 @@ err_res: static int qcom_pcie_post_init_1_0_0(struct qcom_pcie *pcie) { /* change DBI base address */ - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); if (IS_ENABLED(CONFIG_PCI_MSI)) { - u32 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT); + u32 val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT); - val |= BIT(31); - writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT); + val |= EN; + writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT); } return 0; @@ -591,9 +520,9 @@ static void qcom_pcie_2_3_2_ltssm_enable(struct qcom_pcie *pcie) u32 val; /* enable link training */ - val = readl(pcie->parf + PCIE20_PARF_LTSSM); - val |= BIT(8); - writel(val, pcie->parf + PCIE20_PARF_LTSSM); + val = readl(pcie->parf + PARF_LTSSM); + val |= LTSSM_EN; + writel(val, pcie->parf + PARF_LTSSM); } static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie) @@ -610,21 +539,14 @@ static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie) if (ret) return ret; - res->aux_clk = devm_clk_get(dev, "aux"); - if (IS_ERR(res->aux_clk)) - return PTR_ERR(res->aux_clk); - - res->cfg_clk = devm_clk_get(dev, "cfg"); - if (IS_ERR(res->cfg_clk)) - return PTR_ERR(res->cfg_clk); - - res->master_clk = devm_clk_get(dev, "bus_master"); - if (IS_ERR(res->master_clk)) - return PTR_ERR(res->master_clk); + res->clks[0].id = "aux"; + res->clks[1].id = "cfg"; + res->clks[2].id = "bus_master"; + res->clks[3].id = "bus_slave"; - res->slave_clk = devm_clk_get(dev, "bus_slave"); - if (IS_ERR(res->slave_clk)) - return PTR_ERR(res->slave_clk); + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) + return ret; return 0; } @@ -633,11 +555,7 @@ static void qcom_pcie_deinit_2_3_2(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2; - clk_disable_unprepare(res->slave_clk); - clk_disable_unprepare(res->master_clk); - clk_disable_unprepare(res->cfg_clk); - clk_disable_unprepare(res->aux_clk); - + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); } @@ -654,43 +572,14 @@ static int qcom_pcie_init_2_3_2(struct qcom_pcie *pcie) return ret; } - ret = clk_prepare_enable(res->aux_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable aux clock\n"); - goto err_aux_clk; - } - - ret = clk_prepare_enable(res->cfg_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable cfg clock\n"); - goto err_cfg_clk; - } - - ret = clk_prepare_enable(res->master_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable master clock\n"); - goto err_master_clk; - } - - ret = clk_prepare_enable(res->slave_clk); + ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); if (ret) { - dev_err(dev, "cannot prepare/enable slave clock\n"); - goto err_slave_clk; + dev_err(dev, "cannot prepare/enable clocks\n"); + regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); + return ret; } return 0; - -err_slave_clk: - clk_disable_unprepare(res->master_clk); -err_master_clk: - clk_disable_unprepare(res->cfg_clk); -err_cfg_clk: - clk_disable_unprepare(res->aux_clk); - -err_aux_clk: - regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); - - return ret; } static int qcom_pcie_post_init_2_3_2(struct qcom_pcie *pcie) @@ -698,25 +587,25 @@ static int qcom_pcie_post_init_2_3_2(struct qcom_pcie *pcie) u32 val; /* enable PCIe clocks and resets */ - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); /* change DBI base address */ - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); /* MAC PHY_POWERDOWN MUX DISABLE */ - val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL); - val &= ~BIT(29); - writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL); + val = readl(pcie->parf + PARF_SYS_CTRL); + val &= ~MAC_PHY_POWERDOWN_IN_P2_D_MUX_EN; + writel(val, pcie->parf + PARF_SYS_CTRL); - val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); - val |= BIT(4); - writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); + val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); + val |= BYPASS; + writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); - val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2); - val |= BIT(31); - writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2); + val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); + val |= EN; + writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); return 0; } @@ -741,65 +630,24 @@ static int qcom_pcie_get_resources_2_4_0(struct qcom_pcie *pcie) if (ret < 0) return ret; - res->axi_m_reset = devm_reset_control_get_exclusive(dev, "axi_m"); - if (IS_ERR(res->axi_m_reset)) - return PTR_ERR(res->axi_m_reset); - - res->axi_s_reset = devm_reset_control_get_exclusive(dev, "axi_s"); - if (IS_ERR(res->axi_s_reset)) - return PTR_ERR(res->axi_s_reset); - - if (is_ipq) { - /* - * These resources relates to the PHY or are secure clocks, but - * are controlled here for IPQ4019 - */ - res->pipe_reset = devm_reset_control_get_exclusive(dev, "pipe"); - if (IS_ERR(res->pipe_reset)) - return PTR_ERR(res->pipe_reset); - - res->axi_m_vmid_reset = devm_reset_control_get_exclusive(dev, - "axi_m_vmid"); - if (IS_ERR(res->axi_m_vmid_reset)) - return PTR_ERR(res->axi_m_vmid_reset); - - res->axi_s_xpu_reset = devm_reset_control_get_exclusive(dev, - "axi_s_xpu"); - if (IS_ERR(res->axi_s_xpu_reset)) - return PTR_ERR(res->axi_s_xpu_reset); - - res->parf_reset = devm_reset_control_get_exclusive(dev, "parf"); - if (IS_ERR(res->parf_reset)) - return PTR_ERR(res->parf_reset); - - res->phy_reset = devm_reset_control_get_exclusive(dev, "phy"); - if (IS_ERR(res->phy_reset)) - return PTR_ERR(res->phy_reset); - } - - res->axi_m_sticky_reset = devm_reset_control_get_exclusive(dev, - "axi_m_sticky"); - if (IS_ERR(res->axi_m_sticky_reset)) - return PTR_ERR(res->axi_m_sticky_reset); - - res->pipe_sticky_reset = devm_reset_control_get_exclusive(dev, - "pipe_sticky"); - if (IS_ERR(res->pipe_sticky_reset)) - return PTR_ERR(res->pipe_sticky_reset); - - res->pwr_reset = devm_reset_control_get_exclusive(dev, "pwr"); - if (IS_ERR(res->pwr_reset)) - return PTR_ERR(res->pwr_reset); - - res->ahb_reset = devm_reset_control_get_exclusive(dev, "ahb"); - if (IS_ERR(res->ahb_reset)) - return PTR_ERR(res->ahb_reset); - - if (is_ipq) { - res->phy_ahb_reset = devm_reset_control_get_exclusive(dev, "phy_ahb"); - if (IS_ERR(res->phy_ahb_reset)) - return PTR_ERR(res->phy_ahb_reset); - } + res->resets[0].id = "axi_m"; + res->resets[1].id = "axi_s"; + res->resets[2].id = "axi_m_sticky"; + res->resets[3].id = "pipe_sticky"; + res->resets[4].id = "pwr"; + res->resets[5].id = "ahb"; + res->resets[6].id = "pipe"; + res->resets[7].id = "axi_m_vmid"; + res->resets[8].id = "axi_s_xpu"; + res->resets[9].id = "parf"; + res->resets[10].id = "phy"; + res->resets[11].id = "phy_ahb"; + + res->num_resets = is_ipq ? 12 : 6; + + ret = devm_reset_control_bulk_get_exclusive(dev, res->num_resets, res->resets); + if (ret < 0) + return ret; return 0; } @@ -808,15 +656,7 @@ static void qcom_pcie_deinit_2_4_0(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_4_0 *res = &pcie->res.v2_4_0; - reset_control_assert(res->axi_m_reset); - reset_control_assert(res->axi_s_reset); - reset_control_assert(res->pipe_reset); - reset_control_assert(res->pipe_sticky_reset); - reset_control_assert(res->phy_reset); - reset_control_assert(res->phy_ahb_reset); - reset_control_assert(res->axi_m_sticky_reset); - reset_control_assert(res->pwr_reset); - reset_control_assert(res->ahb_reset); + reset_control_bulk_assert(res->num_resets, res->resets); clk_bulk_disable_unprepare(res->num_clks, res->clks); } @@ -827,149 +667,29 @@ static int qcom_pcie_init_2_4_0(struct qcom_pcie *pcie) struct device *dev = pci->dev; int ret; - ret = reset_control_assert(res->axi_m_reset); - if (ret) { - dev_err(dev, "cannot assert axi master reset\n"); - return ret; - } - - ret = reset_control_assert(res->axi_s_reset); - if (ret) { - dev_err(dev, "cannot assert axi slave reset\n"); - return ret; - } - - usleep_range(10000, 12000); - - ret = reset_control_assert(res->pipe_reset); - if (ret) { - dev_err(dev, "cannot assert pipe reset\n"); - return ret; - } - - ret = reset_control_assert(res->pipe_sticky_reset); - if (ret) { - dev_err(dev, "cannot assert pipe sticky reset\n"); - return ret; - } - - ret = reset_control_assert(res->phy_reset); - if (ret) { - dev_err(dev, "cannot assert phy reset\n"); - return ret; - } - - ret = reset_control_assert(res->phy_ahb_reset); - if (ret) { - dev_err(dev, "cannot assert phy ahb reset\n"); + ret = reset_control_bulk_assert(res->num_resets, res->resets); + if (ret < 0) { + dev_err(dev, "cannot assert resets\n"); return ret; } usleep_range(10000, 12000); - ret = reset_control_assert(res->axi_m_sticky_reset); - if (ret) { - dev_err(dev, "cannot assert axi master sticky reset\n"); - return ret; - } - - ret = reset_control_assert(res->pwr_reset); - if (ret) { - dev_err(dev, "cannot assert power reset\n"); - return ret; - } - - ret = reset_control_assert(res->ahb_reset); - if (ret) { - dev_err(dev, "cannot assert ahb reset\n"); + ret = reset_control_bulk_deassert(res->num_resets, res->resets); + if (ret < 0) { + dev_err(dev, "cannot deassert resets\n"); return ret; } usleep_range(10000, 12000); - ret = reset_control_deassert(res->phy_ahb_reset); + ret = clk_bulk_prepare_enable(res->num_clks, res->clks); if (ret) { - dev_err(dev, "cannot deassert phy ahb reset\n"); + reset_control_bulk_assert(res->num_resets, res->resets); return ret; } - ret = reset_control_deassert(res->phy_reset); - if (ret) { - dev_err(dev, "cannot deassert phy reset\n"); - goto err_rst_phy; - } - - ret = reset_control_deassert(res->pipe_reset); - if (ret) { - dev_err(dev, "cannot deassert pipe reset\n"); - goto err_rst_pipe; - } - - ret = reset_control_deassert(res->pipe_sticky_reset); - if (ret) { - dev_err(dev, "cannot deassert pipe sticky reset\n"); - goto err_rst_pipe_sticky; - } - - usleep_range(10000, 12000); - - ret = reset_control_deassert(res->axi_m_reset); - if (ret) { - dev_err(dev, "cannot deassert axi master reset\n"); - goto err_rst_axi_m; - } - - ret = reset_control_deassert(res->axi_m_sticky_reset); - if (ret) { - dev_err(dev, "cannot deassert axi master sticky reset\n"); - goto err_rst_axi_m_sticky; - } - - ret = reset_control_deassert(res->axi_s_reset); - if (ret) { - dev_err(dev, "cannot deassert axi slave reset\n"); - goto err_rst_axi_s; - } - - ret = reset_control_deassert(res->pwr_reset); - if (ret) { - dev_err(dev, "cannot deassert power reset\n"); - goto err_rst_pwr; - } - - ret = reset_control_deassert(res->ahb_reset); - if (ret) { - dev_err(dev, "cannot deassert ahb reset\n"); - goto err_rst_ahb; - } - - usleep_range(10000, 12000); - - ret = clk_bulk_prepare_enable(res->num_clks, res->clks); - if (ret) - goto err_clks; - return 0; - -err_clks: - reset_control_assert(res->ahb_reset); -err_rst_ahb: - reset_control_assert(res->pwr_reset); -err_rst_pwr: - reset_control_assert(res->axi_s_reset); -err_rst_axi_s: - reset_control_assert(res->axi_m_sticky_reset); -err_rst_axi_m_sticky: - reset_control_assert(res->axi_m_reset); -err_rst_axi_m: - reset_control_assert(res->pipe_sticky_reset); -err_rst_pipe_sticky: - reset_control_assert(res->pipe_reset); -err_rst_pipe: - reset_control_assert(res->phy_reset); -err_rst_phy: - reset_control_assert(res->phy_ahb_reset); - return ret; } static int qcom_pcie_post_init_2_4_0(struct qcom_pcie *pcie) @@ -977,25 +697,25 @@ static int qcom_pcie_post_init_2_4_0(struct qcom_pcie *pcie) u32 val; /* enable PCIe clocks and resets */ - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); /* change DBI base address */ - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); /* MAC PHY_POWERDOWN MUX DISABLE */ - val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL); - val &= ~BIT(29); - writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL); + val = readl(pcie->parf + PARF_SYS_CTRL); + val &= ~MAC_PHY_POWERDOWN_IN_P2_D_MUX_EN; + writel(val, pcie->parf + PARF_SYS_CTRL); - val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); - val |= BIT(4); - writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); + val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); + val |= BYPASS; + writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); - val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2); - val |= BIT(31); - writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2); + val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); + val |= EN; + writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); return 0; } @@ -1005,36 +725,29 @@ static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; - int i; - const char *rst_names[] = { "axi_m", "axi_s", "pipe", - "axi_m_sticky", "sticky", - "ahb", "sleep", }; - - res->iface = devm_clk_get(dev, "iface"); - if (IS_ERR(res->iface)) - return PTR_ERR(res->iface); - - res->axi_m_clk = devm_clk_get(dev, "axi_m"); - if (IS_ERR(res->axi_m_clk)) - return PTR_ERR(res->axi_m_clk); - - res->axi_s_clk = devm_clk_get(dev, "axi_s"); - if (IS_ERR(res->axi_s_clk)) - return PTR_ERR(res->axi_s_clk); - - res->ahb_clk = devm_clk_get(dev, "ahb"); - if (IS_ERR(res->ahb_clk)) - return PTR_ERR(res->ahb_clk); - - res->aux_clk = devm_clk_get(dev, "aux"); - if (IS_ERR(res->aux_clk)) - return PTR_ERR(res->aux_clk); - - for (i = 0; i < ARRAY_SIZE(rst_names); i++) { - res->rst[i] = devm_reset_control_get(dev, rst_names[i]); - if (IS_ERR(res->rst[i])) - return PTR_ERR(res->rst[i]); - } + int ret; + + res->clks[0].id = "iface"; + res->clks[1].id = "axi_m"; + res->clks[2].id = "axi_s"; + res->clks[3].id = "ahb"; + res->clks[4].id = "aux"; + + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) + return ret; + + res->rst[0].id = "axi_m"; + res->rst[1].id = "axi_s"; + res->rst[2].id = "pipe"; + res->rst[3].id = "axi_m_sticky"; + res->rst[4].id = "sticky"; + res->rst[5].id = "ahb"; + res->rst[6].id = "sleep"; + + ret = devm_reset_control_bulk_get_exclusive(dev, ARRAY_SIZE(res->rst), res->rst); + if (ret < 0) + return ret; return 0; } @@ -1043,11 +756,7 @@ static void qcom_pcie_deinit_2_3_3(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3; - clk_disable_unprepare(res->iface); - clk_disable_unprepare(res->axi_m_clk); - clk_disable_unprepare(res->axi_s_clk); - clk_disable_unprepare(res->ahb_clk); - clk_disable_unprepare(res->aux_clk); + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); } static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) @@ -1055,25 +764,20 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; - int i, ret; + int ret; - for (i = 0; i < ARRAY_SIZE(res->rst); i++) { - ret = reset_control_assert(res->rst[i]); - if (ret) { - dev_err(dev, "reset #%d assert failed (%d)\n", i, ret); - return ret; - } + ret = reset_control_bulk_assert(ARRAY_SIZE(res->rst), res->rst); + if (ret < 0) { + dev_err(dev, "cannot assert resets\n"); + return ret; } usleep_range(2000, 2500); - for (i = 0; i < ARRAY_SIZE(res->rst); i++) { - ret = reset_control_deassert(res->rst[i]); - if (ret) { - dev_err(dev, "reset #%d deassert failed (%d)\n", i, - ret); - return ret; - } + ret = reset_control_bulk_deassert(ARRAY_SIZE(res->rst), res->rst); + if (ret < 0) { + dev_err(dev, "cannot deassert resets\n"); + return ret; } /* @@ -1082,53 +786,20 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) */ usleep_range(2000, 2500); - ret = clk_prepare_enable(res->iface); - if (ret) { - dev_err(dev, "cannot prepare/enable core clock\n"); - goto err_clk_iface; - } - - ret = clk_prepare_enable(res->axi_m_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable core clock\n"); - goto err_clk_axi_m; - } - - ret = clk_prepare_enable(res->axi_s_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable axi slave clock\n"); - goto err_clk_axi_s; - } - - ret = clk_prepare_enable(res->ahb_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable ahb clock\n"); - goto err_clk_ahb; - } - - ret = clk_prepare_enable(res->aux_clk); + ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); if (ret) { - dev_err(dev, "cannot prepare/enable aux clock\n"); - goto err_clk_aux; + dev_err(dev, "cannot prepare/enable clocks\n"); + goto err_assert_resets; } return 0; -err_clk_aux: - clk_disable_unprepare(res->ahb_clk); -err_clk_ahb: - clk_disable_unprepare(res->axi_s_clk); -err_clk_axi_s: - clk_disable_unprepare(res->axi_m_clk); -err_clk_axi_m: - clk_disable_unprepare(res->iface); -err_clk_iface: +err_assert_resets: /* * Not checking for failure, will anyway return * the original failure in 'ret'. */ - for (i = 0; i < ARRAY_SIZE(res->rst); i++) - reset_control_assert(res->rst[i]); + reset_control_bulk_assert(ARRAY_SIZE(res->rst), res->rst); return ret; } @@ -1140,22 +811,22 @@ static int qcom_pcie_post_init_2_3_3(struct qcom_pcie *pcie) u32 val; writel(SLV_ADDR_SPACE_SZ, - pcie->parf + PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE); + pcie->parf + PARF_SLV_ADDR_SPACE_SIZE_2_3_3); - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); writel(MST_WAKEUP_EN | SLV_WAKEUP_EN | MSTR_ACLK_CGC_DIS | SLV_ACLK_CGC_DIS | CORE_CLK_CGC_DIS | AUX_PWR_DET | L23_CLK_RMV_DIS | L1_CLK_RMV_DIS, - pcie->parf + PCIE20_PARF_SYS_CTRL); - writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH); + pcie->parf + PARF_SYS_CTRL); + writel(0, pcie->parf + PARF_Q2A_FLUSH); writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND); - writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG); + writel(DBI_RO_WR_EN, pci->dbi_base + MISC_CONTROL_1_REG); writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP); val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP); @@ -1177,9 +848,9 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) unsigned int idx; int ret; - res->pci_reset = devm_reset_control_get_exclusive(dev, "pci"); - if (IS_ERR(res->pci_reset)) - return PTR_ERR(res->pci_reset); + res->rst = devm_reset_control_array_get_exclusive(dev); + if (IS_ERR(res->rst)) + return PTR_ERR(res->rst); res->supplies[0].supply = "vdda"; res->supplies[1].supply = "vddpe-3v3"; @@ -1205,9 +876,12 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) res->clks[idx++].id = "ddrss_sf_tbu"; res->clks[idx++].id = "aggre0"; res->clks[idx++].id = "aggre1"; + res->clks[idx++].id = "noc_aggr"; res->clks[idx++].id = "noc_aggr_4"; res->clks[idx++].id = "noc_aggr_south_sf"; res->clks[idx++].id = "cnoc_qx"; + res->clks[idx++].id = "sleep"; + res->clks[idx++].id = "cnoc_sf_axi"; num_opt_clks = idx - num_clks; res->num_clks = idx; @@ -1237,17 +911,17 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie) if (ret < 0) goto err_disable_regulators; - ret = reset_control_assert(res->pci_reset); - if (ret < 0) { - dev_err(dev, "cannot assert pci reset\n"); + ret = reset_control_assert(res->rst); + if (ret) { + dev_err(dev, "reset assert failed (%d)\n", ret); goto err_disable_clocks; } usleep_range(1000, 1500); - ret = reset_control_deassert(res->pci_reset); - if (ret < 0) { - dev_err(dev, "cannot deassert pci reset\n"); + ret = reset_control_deassert(res->rst); + if (ret) { + dev_err(dev, "reset deassert failed (%d)\n", ret); goto err_disable_clocks; } @@ -1255,35 +929,33 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie) usleep_range(1000, 1500); /* configure PCIe to RC mode */ - writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE); + writel(DEVICE_TYPE_RC, pcie->parf + PARF_DEVICE_TYPE); /* enable PCIe clocks and resets */ - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); /* change DBI base address */ - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); /* MAC PHY_POWERDOWN MUX DISABLE */ - val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL); - val &= ~BIT(29); - writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL); + val = readl(pcie->parf + PARF_SYS_CTRL); + val &= ~MAC_PHY_POWERDOWN_IN_P2_D_MUX_EN; + writel(val, pcie->parf + PARF_SYS_CTRL); - val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); - val |= BIT(4); - writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); + val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); + val |= BYPASS; + writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); /* Enable L1 and L1SS */ - val = readl(pcie->parf + PCIE20_PARF_PM_CTRL); + val = readl(pcie->parf + PARF_PM_CTRL); val &= ~REQ_NOT_ENTR_L1; - writel(val, pcie->parf + PCIE20_PARF_PM_CTRL); + writel(val, pcie->parf + PARF_PM_CTRL); - if (IS_ENABLED(CONFIG_PCI_MSI)) { - val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT); - val |= BIT(31); - writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT); - } + val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); + val |= EN; + writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2); return 0; err_disable_clocks: @@ -1303,6 +975,76 @@ static void qcom_pcie_deinit_2_7_0(struct qcom_pcie *pcie) regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); } +static int qcom_pcie_config_sid_1_9_0(struct qcom_pcie *pcie) +{ + /* iommu map structure */ + struct { + u32 bdf; + u32 phandle; + u32 smmu_sid; + u32 smmu_sid_len; + } *map; + void __iomem *bdf_to_sid_base = pcie->parf + PARF_BDF_TO_SID_TABLE_N; + struct device *dev = pcie->pci->dev; + u8 qcom_pcie_crc8_table[CRC8_TABLE_SIZE]; + int i, nr_map, size = 0; + u32 smmu_sid_base; + + of_get_property(dev->of_node, "iommu-map", &size); + if (!size) + return 0; + + map = kzalloc(size, GFP_KERNEL); + if (!map) + return -ENOMEM; + + of_property_read_u32_array(dev->of_node, "iommu-map", (u32 *)map, + size / sizeof(u32)); + + nr_map = size / (sizeof(*map)); + + crc8_populate_msb(qcom_pcie_crc8_table, QCOM_PCIE_CRC8_POLYNOMIAL); + + /* Registers need to be zero out first */ + memset_io(bdf_to_sid_base, 0, CRC8_TABLE_SIZE * sizeof(u32)); + + /* Extract the SMMU SID base from the first entry of iommu-map */ + smmu_sid_base = map[0].smmu_sid; + + /* Look for an available entry to hold the mapping */ + for (i = 0; i < nr_map; i++) { + __be16 bdf_be = cpu_to_be16(map[i].bdf); + u32 val; + u8 hash; + + hash = crc8(qcom_pcie_crc8_table, (u8 *)&bdf_be, sizeof(bdf_be), 0); + + val = readl(bdf_to_sid_base + hash * sizeof(u32)); + + /* If the register is already populated, look for next available entry */ + while (val) { + u8 current_hash = hash++; + u8 next_mask = 0xff; + + /* If NEXT field is NULL then update it with next hash */ + if (!(val & next_mask)) { + val |= (u32)hash; + writel(val, bdf_to_sid_base + current_hash * sizeof(u32)); + } + + val = readl(bdf_to_sid_base + hash * sizeof(u32)); + } + + /* BDF [31:16] | SID [15:8] | NEXT [7:0] */ + val = map[i].bdf << 16 | (map[i].smmu_sid - smmu_sid_base) << 8 | 0; + writel(val, bdf_to_sid_base + hash * sizeof(u32)); + } + + kfree(map); + + return 0; +} + static int qcom_pcie_get_resources_2_9_0(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_9_0 *res = &pcie->res.v2_9_0; @@ -1371,17 +1113,17 @@ static int qcom_pcie_post_init_2_9_0(struct qcom_pcie *pcie) int i; writel(SLV_ADDR_SPACE_SZ, - pcie->parf + PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE); + pcie->parf + PARF_SLV_ADDR_SPACE_SIZE); - val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL); - val &= ~BIT(0); - writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL); + val = readl(pcie->parf + PARF_PHY_CTRL); + val &= ~PHY_TEST_PWR_DOWN; + writel(val, pcie->parf + PARF_PHY_CTRL); - writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR); + writel(0, pcie->parf + PARF_DBI_BASE_ADDR); - writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE); + writel(DEVICE_TYPE_RC, pcie->parf + PARF_DEVICE_TYPE); writel(BYPASS | MSTR_AXI_CLK_EN | AHB_CLK_EN, - pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL); + pcie->parf + PARF_MHI_CLOCK_RESET_CTRL); writel(GEN3_RELATED_OFF_RXEQ_RGRDLESS_RXTS | GEN3_RELATED_OFF_GEN3_ZRXDC_NONCOMPL, pci->dbi_base + GEN3_RELATED_OFF); @@ -1389,9 +1131,9 @@ static int qcom_pcie_post_init_2_9_0(struct qcom_pcie *pcie) writel(MST_WAKEUP_EN | SLV_WAKEUP_EN | MSTR_ACLK_CGC_DIS | SLV_ACLK_CGC_DIS | CORE_CLK_CGC_DIS | AUX_PWR_DET | L23_CLK_RMV_DIS | L1_CLK_RMV_DIS, - pcie->parf + PCIE20_PARF_SYS_CTRL); + pcie->parf + PARF_SYS_CTRL); - writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH); + writel(0, pcie->parf + PARF_Q2A_FLUSH); dw_pcie_dbi_ro_wr_en(pci); writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP); @@ -1404,7 +1146,7 @@ static int qcom_pcie_post_init_2_9_0(struct qcom_pcie *pcie) PCI_EXP_DEVCTL2); for (i = 0; i < 256; i++) - writel(0, pcie->parf + PCIE20_PARF_BDF_TO_SID_TABLE_N + (4 * i)); + writel(0, pcie->parf + PARF_BDF_TO_SID_TABLE_N + (4 * i)); return 0; } @@ -1417,77 +1159,6 @@ static int qcom_pcie_link_up(struct dw_pcie *pci) return !!(val & PCI_EXP_LNKSTA_DLLLA); } -static int qcom_pcie_config_sid_sm8250(struct qcom_pcie *pcie) -{ - /* iommu map structure */ - struct { - u32 bdf; - u32 phandle; - u32 smmu_sid; - u32 smmu_sid_len; - } *map; - void __iomem *bdf_to_sid_base = pcie->parf + PCIE20_PARF_BDF_TO_SID_TABLE_N; - struct device *dev = pcie->pci->dev; - u8 qcom_pcie_crc8_table[CRC8_TABLE_SIZE]; - int i, nr_map, size = 0; - u32 smmu_sid_base; - - of_get_property(dev->of_node, "iommu-map", &size); - if (!size) - return 0; - - map = kzalloc(size, GFP_KERNEL); - if (!map) - return -ENOMEM; - - of_property_read_u32_array(dev->of_node, - "iommu-map", (u32 *)map, size / sizeof(u32)); - - nr_map = size / (sizeof(*map)); - - crc8_populate_msb(qcom_pcie_crc8_table, QCOM_PCIE_CRC8_POLYNOMIAL); - - /* Registers need to be zero out first */ - memset_io(bdf_to_sid_base, 0, CRC8_TABLE_SIZE * sizeof(u32)); - - /* Extract the SMMU SID base from the first entry of iommu-map */ - smmu_sid_base = map[0].smmu_sid; - - /* Look for an available entry to hold the mapping */ - for (i = 0; i < nr_map; i++) { - __be16 bdf_be = cpu_to_be16(map[i].bdf); - u32 val; - u8 hash; - - hash = crc8(qcom_pcie_crc8_table, (u8 *)&bdf_be, sizeof(bdf_be), - 0); - - val = readl(bdf_to_sid_base + hash * sizeof(u32)); - - /* If the register is already populated, look for next available entry */ - while (val) { - u8 current_hash = hash++; - u8 next_mask = 0xff; - - /* If NEXT field is NULL then update it with next hash */ - if (!(val & next_mask)) { - val |= (u32)hash; - writel(val, bdf_to_sid_base + current_hash * sizeof(u32)); - } - - val = readl(bdf_to_sid_base + hash * sizeof(u32)); - } - - /* BDF [31:16] | SID [15:8] | NEXT [7:0] */ - val = map[i].bdf << 16 | (map[i].smmu_sid - smmu_sid_base) << 8 | 0; - writel(val, bdf_to_sid_base + hash * sizeof(u32)); - } - - kfree(map); - - return 0; -} - static int qcom_pcie_host_init(struct dw_pcie_rp *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -1608,7 +1279,7 @@ static const struct qcom_pcie_ops ops_1_9_0 = { .init = qcom_pcie_init_2_7_0, .deinit = qcom_pcie_deinit_2_7_0, .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable, - .config_sid = qcom_pcie_config_sid_sm8250, + .config_sid = qcom_pcie_config_sid_1_9_0, }; /* Qcom IP rev.: 2.9.0 Synopsys IP rev.: 5.00a */ @@ -1725,13 +1396,51 @@ static void qcom_pcie_icc_update(struct qcom_pcie *pcie) } } +static int qcom_pcie_link_transition_count(struct seq_file *s, void *data) +{ + struct qcom_pcie *pcie = (struct qcom_pcie *)dev_get_drvdata(s->private); + + seq_printf(s, "L0s transition count: %u\n", + readl_relaxed(pcie->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L0S)); + + seq_printf(s, "L1 transition count: %u\n", + readl_relaxed(pcie->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L1)); + + seq_printf(s, "L1.1 transition count: %u\n", + readl_relaxed(pcie->mhi + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L1)); + + seq_printf(s, "L1.2 transition count: %u\n", + readl_relaxed(pcie->mhi + PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L2)); + + seq_printf(s, "L2 transition count: %u\n", + readl_relaxed(pcie->mhi + PARF_DEBUG_CNT_PM_LINKST_IN_L2)); + + return 0; +} + +static void qcom_pcie_init_debugfs(struct qcom_pcie *pcie) +{ + struct dw_pcie *pci = pcie->pci; + struct device *dev = pci->dev; + char *name; + + name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node); + if (!name) + return; + + pcie->debugfs = debugfs_create_dir(name, NULL); + debugfs_create_devm_seqfile(dev, "link_transition_count", pcie->debugfs, + qcom_pcie_link_transition_count); +} + static int qcom_pcie_probe(struct platform_device *pdev) { + const struct qcom_pcie_cfg *pcie_cfg; struct device *dev = &pdev->dev; + struct qcom_pcie *pcie; struct dw_pcie_rp *pp; + struct resource *res; struct dw_pcie *pci; - struct qcom_pcie *pcie; - const struct qcom_pcie_cfg *pcie_cfg; int ret; pcie_cfg = of_device_get_match_data(dev); @@ -1779,6 +1488,16 @@ static int qcom_pcie_probe(struct platform_device *pdev) goto err_pm_runtime_put; } + /* MHI region is optional */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mhi"); + if (res) { + pcie->mhi = devm_ioremap_resource(dev, res); + if (IS_ERR(pcie->mhi)) { + ret = PTR_ERR(pcie->mhi); + goto err_pm_runtime_put; + } + } + pcie->phy = devm_phy_optional_get(dev, "pciephy"); if (IS_ERR(pcie->phy)) { ret = PTR_ERR(pcie->phy); @@ -1809,6 +1528,9 @@ static int qcom_pcie_probe(struct platform_device *pdev) qcom_pcie_icc_update(pcie); + if (pcie->mhi) + qcom_pcie_init_debugfs(pcie); + return 0; err_phy_exit: @@ -1820,6 +1542,62 @@ err_pm_runtime_put: return ret; } +static int qcom_pcie_suspend_noirq(struct device *dev) +{ + struct qcom_pcie *pcie = dev_get_drvdata(dev); + int ret; + + /* + * Set minimum bandwidth required to keep data path functional during + * suspend. + */ + ret = icc_set_bw(pcie->icc_mem, 0, kBps_to_icc(1)); + if (ret) { + dev_err(dev, "Failed to set interconnect bandwidth: %d\n", ret); + return ret; + } + + /* + * Turn OFF the resources only for controllers without active PCIe + * devices. For controllers with active devices, the resources are kept + * ON and the link is expected to be in L0/L1 (sub)states. + * + * Turning OFF the resources for controllers with active PCIe devices + * will trigger access violation during the end of the suspend cycle, + * as kernel tries to access the PCIe devices config space for masking + * MSIs. + * + * Also, it is not desirable to put the link into L2/L3 state as that + * implies VDD supply will be removed and the devices may go into + * powerdown state. This will affect the lifetime of the storage devices + * like NVMe. + */ + if (!dw_pcie_link_up(pcie->pci)) { + qcom_pcie_host_deinit(&pcie->pci->pp); + pcie->suspended = true; + } + + return 0; +} + +static int qcom_pcie_resume_noirq(struct device *dev) +{ + struct qcom_pcie *pcie = dev_get_drvdata(dev); + int ret; + + if (pcie->suspended) { + ret = qcom_pcie_host_init(&pcie->pci->pp); + if (ret) + return ret; + + pcie->suspended = false; + } + + qcom_pcie_icc_update(pcie); + + return 0; +} + static const struct of_device_id qcom_pcie_match[] = { { .compatible = "qcom,pcie-apq8064", .data = &cfg_2_1_0 }, { .compatible = "qcom,pcie-apq8084", .data = &cfg_1_0_0 }, @@ -1836,11 +1614,13 @@ static const struct of_device_id qcom_pcie_match[] = { { .compatible = "qcom,pcie-sc8180x", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sc8280xp", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sdm845", .data = &cfg_2_7_0 }, + { .compatible = "qcom,pcie-sdx55", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8150", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8250", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8350", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 }, { .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 }, { } }; @@ -1856,12 +1636,18 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0302, qcom_fixup_class); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1000, qcom_fixup_class); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1001, qcom_fixup_class); +static const struct dev_pm_ops qcom_pcie_pm_ops = { + NOIRQ_SYSTEM_SLEEP_PM_OPS(qcom_pcie_suspend_noirq, qcom_pcie_resume_noirq) +}; + static struct platform_driver qcom_pcie_driver = { .probe = qcom_pcie_probe, .driver = { .name = "qcom-pcie", .suppress_bind_attrs = true, .of_match_table = qcom_pcie_match, + .pm = &qcom_pcie_pm_ops, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; builtin_platform_driver(qcom_pcie_driver); |