TW6869 drivers porting for freescaleandroid

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TW6869调试

驱动代码见附件patch.

配置内核参数config----------imx_v7_android_defconfig
t

修改设备树

## Bus support#CONFIG_ARM_AMBA=yCONFIG_PCI=yCONFIG_PCI_DOMAINS=yCONFIG_PCI_SYSCALL=y# CONFIG_PCI_MSI is not set# CONFIG_PCI_DEBUG is not set# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set# CONFIG_PCI_STUB is not set# CONFIG_PCI_IOV is not set# CONFIG_PCI_PRI is not set# CONFIG_PCI_PASID is not set## PCI host controller drivers#CONFIG_PCIE_DW=yCONFIG_PCI_IMX6=y# CONFIG_EP_MODE_IN_EP_RC_SYS is not set# CONFIG_RC_MODE_IN_EP_RC_SYS is not set# CONFIG_PCI_HOST_GENERIC is not setCONFIG_PCIEPORTBUS=y# CONFIG_PCIEAER is not set# CONFIG_PCIEASPM is not setCONFIG_PCIE_PME=y# CONFIG_PCCARD is not se

--------------for imx6qdl-sabresd-roadj.dtsi

&pcie {    //power-on-gpio = <&gpio6 8 0>; //no power control-pin    reset-gpio = <&gpio3 30 0>;    status = "okay";};

---------------for imx6qdl.dtsi

intc: interrupt-controller@00a01000 {        compatible = "arm,cortex-a9-gic";        #interrupt-cells = <3>;        //#address-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------        //#size-cells = <1>; -----------------canceled by lqy for tw6869 irq request------------------        interrupt-controller;        reg = <0x00a01000 0x1000>,              <0x00a00100 0x100>;    };....pcie: pcie@0x01000000 {            compatible = "fsl,imx6q-pcie", "snps,dw-pcie";            reg = <0x01ffc000 0x4000>, <0x01f00000 0x80000>;            reg-names = "dbi", "config";            #address-cells = <3>;            #size-cells = <2>;            device_type = "pci";            ranges = <0x81000000 0 0          0x01f80000 0 0x00010000 /* downstream I/O */                  0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */            num-lanes = <1>;            interrupts = <0 120 IRQ_TYPE_LEVEL_HIGH>;            //interrupt-names = "msi"; -----------------canceled by lqy for tw6869 irq request------------------            #interrupt-cells = <1>;            interrupt-map-mask = <0 0 0 0x7>;            interrupt-map = <0 0 0 1 &intc 0 123 IRQ_TYPE_LEVEL_HIGH>,                            <0 0 0 2 &intc 0 122 IRQ_TYPE_LEVEL_HIGH>,                            <0 0 0 3 &intc 0 121 IRQ_TYPE_LEVEL_HIGH>,                            <0 0 0 4 &intc 0 120 IRQ_TYPE_LEVEL_HIGH>;            clocks = <&clks IMX6QDL_CLK_PCIE_REF_125M>,                 <&clks IMX6QDL_CLK_SATA_REF_100M>,                 <&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_AXI>;            clock-names = "pcie_phy", "ref_100m", "pcie_bus", "pcie";            status = "disabled";        };

测试代码及命令

见附件main.cpp 测试代码为模块编译，未加入到系统中。

cd data