TX2 Carrier Board USB Debug (Jet

TX2 Carrier Board-A302 NV USB and PCIe USB Debug

一、硬件连接
W8&W9 --- PCIe-USB3.0 转接口（1xPCIe-to-4xUSB3.0，共享5.0GHz带宽）
W7 --- USBSS0（靠近PCB板侧，即下侧USB） + USBSS1
Tegra自带USB 控制器名称： tegra-xusb
PCIe-USB扩展 控制器名称： xhci_hcd

image.png image.png

二、ODMDATA （参考Jetson TX2_OEM_Product_DesignGuide.pdf)
ODMDATA 是与PCIE&USB 配置相关

配置修改路径：Linux_for_Tegra/p2771-0000.conf.common
查看ODMDATA &USB Phy/Pinmux名称:

ls -l /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data 
xxd /proc/device-tree/xhci@3530000/phy-names
ls /proc/device-tree/pinctrl@3520000/pinmux/
ls /proc/device-tree/pcie-controller@10003000/

image.png

Lane allocation can be performed by either ODMDATA, in p2771-0000.conf.common by default, or alloted to UPHY to each client in the bpmp-dtb file.
For example:

• ODMDATA=0x1090000 default for Jetson TX2 for Configuration #2
• ODMDATA=0x90000 for Configuration #1
• ODMDATA=0x6090000 for Configuration #3

image.png

ODMDATA  = 0x609000
nvidia@tw-tx2:~$ ls -l /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data
total 0
-r--r--r-- 1 root root 4 4月  18 17:22 android-build
-r--r--r-- 1 root root 4 4月  18 17:22 disable-pmic-wdt
-r--r--r-- 1 root root 4 4月  18 17:22 disable-sdmmc-hwcq
-r--r--r-- 1 root root 4 4月  18 17:22 disable-tegra-wdt
-r--r--r-- 1 root root 4 4月  18 17:22 enable-debug-console
-r--r--r-- 1 root root 4 4月  18 17:22 enable-denver-wdt
-r--r--r-- 1 root root 4 4月  18 17:22 enable-pcie-on-uphy-lane0
-r--r--r-- 1 root root 4 4月  18 17:22 enable-pcie-on-uphy-lane4
-r--r--r-- 1 root root 4 4月  18 17:22 enable-sata-on-uphy-lane5
-r--r--r-- 1 root root 4 4月  18 17:22 enable-xusb-on-uphy-lane1
-r--r--r-- 1 root root 4 4月  18 17:22 enable-xusb-on-uphy-lane2
-r--r--r-- 1 root root 9 4月  18 17:22 name
-r--r--r-- 1 root root 4 4月  18 17:22 no-battery
-r--r--r-- 1 root root 4 4月  18 17:22 normal-flashed

ODMDATA  = 0x709000
nvidia@tw-tx2:~$ ls -l /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data
total 0
-r--r--r-- 1 root root 4 4月  18 16:39 android-build
-r--r--r-- 1 root root 4 4月  18 16:39 disable-pmic-wdt
-r--r--r-- 1 root root 4 4月  18 16:39 disable-sdmmc-hwcq
-r--r--r-- 1 root root 4 4月  18 16:39 disable-tegra-wdt
-r--r--r-- 1 root root 4 4月  18 16:39 enable-debug-console
-r--r--r-- 1 root root 4 4月  18 16:39 enable-denver-wdt
-r--r--r-- 1 root root 4 4月  18 16:39 enable-pcie-on-uphy-lane4
-r--r--r-- 1 root root 4 4月  18 16:39 enable-sata-on-uphy-lane5
-r--r--r-- 1 root root 4 4月  18 16:39 enable-xusb-on-uphy-lane0
-r--r--r-- 1 root root 4 4月  18 16:39 enable-xusb-on-uphy-lane1
-r--r--r-- 1 root root 4 4月  18 16:39 enable-xusb-on-uphy-lane2
-r--r--r-- 1 root root 9 4月  18 16:39 name
-r--r--r-- 1 root root 4 4月  18 16:39 no-battery
-r--r--r-- 1 root root 4 4月  18 16:39 normal-flashed

---

三、TX2+A302+JetPack4.2
1、 ODMDATA = 0x709000 + NV DTB --- 仅识别W7 下面的一个USB，但是无法识别PCIE-USB和上面的USB
2、 ODMDATA = 0x709000 + TW DTB --- 可以识别Default USB，但是无法识别PCIE-USB
3、 ODMDATA = 0x609000 + NV DTB --- 可以识别W7 下面的一个USB和PCIE-USB （W8&W9)
3、 ODMDATA = 0x609000 + TW DTB --- 可以识别W7 两个USB和PCIE-USB （W8&W9)

验证一、(2019/04/19 14:00)

ODM-DATA = 0x709000

>   pcie-controller@10003000 {
>       pci@1,0 {
>           nvidia,num-lanes = <4>;
>           nvidia,disable-clock-request;
>       };
>       pci@2,0 {
>           nvidia,num-lanes = <0>;
>       };
>       pci@3,0 {
>           nvidia,num-lanes = <1>;
>       };
>   };
nvidia@tw-tx2:~$ xxd /proc/device-tree/xhci@3530000/phy-names
00000000: 7573 6232 2d30 0075 7362 322d 3100 7573  usb2-0.usb2-1.us
00000010: 6232 2d32 0075 7362 332d 3000            b2-2.usb3-0.
nvidia@tw-tx2:~$ xxd /proc/device-tree/pinctrl@3520000/pinmux/
e3325-usb3-std-A-HS/ e3325-usb3-std-A-SS/ linux,phandle
name phandle usb2-micro-AB/  usb2-std-A-port2/  usb3-std-A-port2/

U盘插入W7 上侧口 （插入U盘后开机状态）后lsusb --- USB2.0
nvidia@tw-tx2:~$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/3p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 480M
    |__ Port 3: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M

U盘拔出W7 上侧口，再插入W7 下侧USB口后lsusb --- USB3.0
nvidia@tw-tx2:~$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/3p, 5000M
    |__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 480M

关机再开机（U盘默认插入W7 下侧USB口） --- USB2.0
nvidia@tw-tx2:~$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/3p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 480M
    |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 480M
nvidia@tw-tx2:~$ 
U盘拔出W7下侧口，再插入W7 上侧USB口后lsusb --- USB2.0
nvidia@tw-tx2:~$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/3p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 480M
    |__ Port 3: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 480M
nvidia@tw-tx2:~$ 
U盘拔出W7上侧口，再插入W7下侧USB口后lsusb --- 变为USB3.0
nvidia@tw-tx2:~$ lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/3p, 5000M
    |__ Port 1: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 480M


------------------------------------------------------------------------------------------------
验证二、(2019/04/19 14:00)
ODM-DATA = 0x709000
去除plugin 无USB控制器 可识别
nvidia@tw-tx2:~$ xxd /proc/device-tree/xhci@3530000/phy-names
00000000: 7574 6d69 2d30 0075 746d 692d 3100 7574  utmi-0.utmi-1.ut
00000010: 6d69 2d32 0075 7362 332d 3000 7573 6233  mi-2.usb3-0.usb3
00000020: 2d31 0075 7362 332d 3200                 -1.usb3-2.
nvidia@tw-tx2:~$ ls /proc/device-tree/pinctrl@3520000/pinmux/
linux,phandle  name  phandle  usb2-1  usb2-2  usb2-micro-AB  usb3-a  usb3-b  usb3-c
上述三个USB2和三个USB3/status 均为okay

实验一和二 总结如下：
Kernel4.9 版本DTS已弃用4.4版本的tegra_xusb_padctl内容定义方式改为了新版本具体参考如下：

#if TEGRA_XUSB_PADCONTROL_VERSION >= DT_VERSION_2
    xhci@3530000 {
        status = "okay";
        phys = <&{/xusb_padctl@3520000/pads/usb2/lanes/usb2-0}>,
            <&{/xusb_padctl@3520000/pads/usb2/lanes/usb2-1}>,
            <&{/xusb_padctl@3520000/pads/usb2/lanes/usb2-2}>,
            <&{/xusb_padctl@3520000/pads/usb3/lanes/usb3-0}>;
        phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0";
    };
#else
    xhci@3530000 {
        status = "okay";
        phys = <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(0)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(1)>,
                    <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(2)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_USB3_P(0)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_USB3_P(1)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_USB3_P(2)>;
        phy-names = "utmi-0", "utmi-1","utmi-2", "usb3-0", "usb3-1", "usb3-2";
        /*
        phys = <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(0)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(1)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(2)>,
            <&tegra_xusb_padctl TEGRA_PADCTL_PHY_USB3_P(1)>;
        phy-names = "utmi-0", "utmi-1", "utmi-2", "usb3-1";
        */
        nvidia,boost_cpu_freq = <800>;
    };
#endif

验证三、(2019/04/20 12:00 已解决全部问题，可发布)

ODM-DATA = 0x609000 
1. NV 默认DTS 可识别PCIe-USB + USB W7下侧USB2.0，上侧不识别且无USB3.0
nvidia@tw-tx2:~$ dmesg | grep "2019"
[    0.000000] Linux version 4.9.140-tegra (dennis@dennisJiang) (gcc version 6.4.1 20170707 (Linaro GCC 6.4-2017.08) ) #3 SMP PREEMPT Sat Apr 13 17:54:43 CST 2019
[    0.184019] DTB Build time: Apr 19 2019 16:36:29
[    0.437377] DTB Build time: Apr 19 2019 16:36:29
[    5.039749] tegra_rtc c2a0000.rtc: setting system clock to 2019-04-19 08:38:12 UTC (1555663092)
[   12.062019] wl_android_wifi_on in

nvidia@tw-tx2:~$ ls -l /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data
-r--r--r-- 1 root root 4 4月  19 16:41 enable-pcie-on-uphy-lane0
-r--r--r-- 1 root root 4 4月  19 16:41 enable-pcie-on-uphy-lane4
-r--r--r-- 1 root root 4 4月  19 16:41 enable-sata-on-uphy-lane5
-r--r--r-- 1 root root 4 4月  19 16:41 enable-xusb-on-uphy-lane1
-r--r--r-- 1 root root 4 4月  19 16:41 enable-xusb-on-uphy-lane2

nvidia@tw-tx2:~$ xxd /proc/device-tree/xhci@3530000/phy-names
00000000: 7573 6232 2d30 0075 7362 322d 3100       usb2-0.usb2-1.

nvidia@tw-tx2:~$ ls /proc/device-tree/pinctrl@3520000/pinmux/
e3325-usb3-std-A-HS  e3325-usb3-std-A-SS  linux,phandle  name  phandle  usb2-micro-AB  usb2-std-A-port2  usb3-std-A-port2

2. 修改DTS后可识别PCIe-USB + USB W7 双USB2.0+ 单USB3.0
nvidia@tw-tx2:~$ 
nvidia@tw-tx2:~$ ls -l /sys/firmware/devicetree/base/chosen/plugin-manager/odm-data 
total 0
-r--r--r-- 1 root root 4 4月  20 14:43 enable-pcie-on-uphy-lane0
-r--r--r-- 1 root root 4 4月  20 14:43 enable-pcie-on-uphy-lane4
-r--r--r-- 1 root root 4 4月  20 14:43 enable-sata-on-uphy-lane5
-r--r--r-- 1 root root 4 4月  20 14:43 enable-xusb-on-uphy-lane1
-r--r--r-- 1 root root 4 4月  20 14:43 enable-xusb-on-uphy-lane2

nvidia@tw-tx2:~$ xxd /proc/device-tree/xhci@3530000/phy-names
00000000: 7573 6232 2d30 0075 7362 322d 3100 7573  usb2-0.usb2-1.us
00000010: 6232 2d32 0075 7362 332d 3000 7573 6233  b2-2.usb3-0.usb3
00000020: 2d31 0075 7362 332d 3200                 -1.usb3-2.

nvidia@tw-tx2:~$ ls /proc/device-tree/pinctrl@3520000/pinmux/
linux,phandle  name  phandle  usb2-a  usb2-b  usb2-micro-AB  usb3-a  usb3-b  usb3-c

修改 tegra186-quill-p3310-1000-c03-00-base.dts 删除掉如下内容padctl旧版本
xhci@3530000 {
  status = "okay";
  phys = <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(0)>,
          <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(1)>,
          <&tegra_xusb_padctl TEGRA_PADCTL_PHY_UTMI_P(2)>;
  phy-names = "utmi-0", "utmi-1","utmi-2";
    };