使用vivado2019.2和petalinux 2019.2制作带无线wifi的ultra96v2

使用vivado2019.2和petalinux 2019.2制作带无线wifi的ultra96v2的BSP软件包

目 录

一、使用vivado设计带wifi的ultra96v2硬件平台

二、使用vitis设计hello程序，验证平台

三、用户设备树：修改system-user.dtsi无线SD，增加有关virtIO的openamp.dtsi

四、u-boot：增加recipes-bsp/u-boot文件，platform.h指示装载kernel device tree位置和有关DHCP的bsp.cfg

五、用户应用：增加蓝牙无线recipes-bsp/ultra96-misc和wilc3000-fw

六、kernel：增加recipes-kernel文件，有关USB和SPI的 bsp.cfg，无线上电复位patch，直接配置有关APF和CMA的user.cfg

七、根文件模块：创建和编译led-brightness 和wilc模块

八、根文件配置：拷贝rootfs_config文件，直接配置根文件

九、根文件库：应用sds-lib创建、库拷贝、编译

十、第八步 根文件通配：网卡启动recipes-core, 鼠标键盘屏幕recipes-graphics和网络及启动配置recipes-utils

十一、根文件用户配置：直接增加上一步配置user-rootfsconfig和改变petalinuxbsp.conf

十二、启动Kernel panic分析解决

以下所有软件硬件代码均可从下面的网址下载：

xilinx petalinux2019.2开发的ultra96v2 BSP，含硬件设计和软件配置.docx-Linux代码类资源-CSDN下载

https://download.csdn.net/download/u010879745/12307621

一、 使用vivado设计带wifi的ultra96v2硬件平台

加AXI Interconnect、RST、GPIO、UART16650、BRAM IP模块并按照下图连接：

建立限制文件：

set_property PACKAGE_PIN B5 [get_ports BT_HCI_CTS]

set_property PACKAGE_PIN B7 [get_ports BT_HCI_RTS]

/# Fan control

/# Bank 65

set_property PACKAGE_PIN F4 [get_ports FAN_PWM]

set_property DRIVE 8 [get_ports FAN_PWM]

/# Low-speed expansion connector

/# Bank 65

set_property PACKAGE_PIN D7 [get_ports {HD_GPIO[0]}]

set_property PACKAGE_PIN F8 [get_ports {HD_GPIO[1]}]

set_property PACKAGE_PIN F7 [get_ports {HD_GPIO[2]}]

set_property PACKAGE_PIN G7 [get_ports {HD_GPIO[3]}]

set_property PACKAGE_PIN F6 [get_ports {HD_GPIO[4]}]

set_property PACKAGE_PIN G5 [get_ports {HD_GPIO[5]}]

set_property PACKAGE_PIN A6 [get_ports {HD_GPIO[6]}]

set_property PACKAGE_PIN A7 [get_ports {HD_GPIO[7]}]

set_property PACKAGE_PIN G6 [get_ports {HD_GPIO[8]}]

set_property PACKAGE_PIN E6 [get_ports {HD_GPIO[9]}]

set_property PACKAGE_PIN E5 [get_ports {HD_GPIO[10]}]

set_property PACKAGE_PIN D6 [get_ports {HD_GPIO[11]}]

set_property PACKAGE_PIN D5 [get_ports {HD_GPIO[12]}]

set_property PACKAGE_PIN C7 [get_ports {HD_GPIO[13]}]

set_property PACKAGE_PIN B6 [get_ports {HD_GPIO[14]}]

set_property PACKAGE_PIN C5 [get_ports {HD_GPIO[15]}]

/# Set the bank voltage for IO Bank 26 to 1.8V

set_property IOSTANDARD LVCMOS18 [get_ports -of_objects [get_iobanks 26]]

/# Set the bank voltage for IO Bank 65 to 1.2V

set_property IOSTANDARD LVCMOS12 [get_ports -of_objects [get_iobanks 65]]

导入项目：

编译运行：

二、 使用vitis设计hello程序，验证平台

打开vitis

选择第一步生成的硬件文件

改变BSP

修改成psu_uart_1

编译运行

创建应用程序

选择刚建的硬件平台

选择应用程序

编译应用程序

如果出现下面的问题，是因为你的硬件平台未编译

如果出现下面的乱码，说明你的串口未正确配置

出现下面的问题，说明你的库文件路径未能正确配置

Release 2019.2 Mar 25 2020 - 21:27:59

PMU-FW is not running, certain applications may not be supported.

正确输出：

[email protected]:~/ultra96v2_1-master$ petalinux-create --type project --template zynqMP --name ultra96v2_1OS

[email protected]:~/ultra96v2_1-master/ultra96v2_1OS$ petalinux-config --get-hw-description ./

?Subsystem AUTO Hardware Settings → Serial Settings → Primary stdin/stdout → (psu_uart_1)

?DTG Settings → MACHINE_NAME → (avnet-ultra96-rev1)

?u-boot Configuration → u-boot config target → (avnet_ultra96_rev1_defconfig)

?Image Packaging Configuration → Root filesystem type → (SD card)

?Yocto Settings → YOCTO_MACHINE_NAME → (ultra96-zynqmp)

三、 用户设备树：修改system-user.dtsi无线SD，增加有关virtIO的openamp.dtsi

system-user.dtsi增加内容：WILC3000无线与SD设备

增加openamp.dtsi文件：openamp库提供虚拟模块共享内存IO标准(virtIO: OpenAMP library implements virtIO standard for shared memory management)，增加AMBA (Advanced Microcontroller Bus Architecture) protocols, 高级微处理器总线 power demain电源域和reserved-memory保留内存

device-tree.bbappend增加内容：file://openamp.dtsi

SDHC interface node for the ATWILC3000 chip:

&sdhci1 {

bus-width= <0x4>;

disable-wp;

max-frequency = <50000000>;

/delete-property/cap-power-off-card;

mmc-pwrseq = ;

status = “okay”;

#address-cells = <1>;

#size-cells = <0>;

[email protected] {

compatible = “microchip,wilc3000”, “microchip,wilc3000”;

reg = <0>;

bus-width= <0x4>;

status = “okay”;

};

// Remove TI child node from U96 V1 DT

/delete-node/[email protected];

};

SD card slot:

/* SD0 only supports 3.3V, no level shifter */

&sdhci0 {

no-1-8-v;

disable-wp;

};

四、 u-boot：增加recipes-bsp/u-boot文件，platform.h指示装载kernel device tree位置和有关DHCP的bsp.cfg

增加platform.h(指示装载kernel device tree) 和bsp.cfg(DHCP选项)，修改bbappend文件。

platform.h file to tell u-boot where to load the kernel and device tree from after the first stage boot loader passes control off to u-boot. A bsp.cfg file enables a few more options needed by the Ultra96 such as DHCP and ping mode.

五、 用户应用：增加蓝牙无线recipes-bsp/ultra96-misc和wilc3000-fw

/project-spec/meta-user/recipes-bsp/ directory wilc3000-fw and ultra96-misc directories

六、 kernel：增加recipes-kernel文件，有关USB和SPI的 bsp.cfg，无线上电复位patch，直接配置有关APF和CMA的user.cfg

增加 the bsp.cfg和fix_u96v2_pwrseq_simple.patch文件，前者为USB和SPI配置使能，后者为 WILC3000上电复位顺序，增加user.cfg配置文件，省略petalinux-config -c kernel时间

按照下面的指令配置kernel：

解释：user.cfg 中的active power filter (APF)

[email protected]:~/ultra96v2_1-master/ultra96v2_1OS$ petalinux-config -c kernel

NOTE: Executing RunQueue Tasks

Currently 1 running tasks (373 of 373) 99% |####################################### |

0: linux-xlnx-4.19-xilinx-v2019.2+git999-r0 do_menuconfig - 2005s (pid 20124)

如果你发现未打开kernel config，很可能它已经在另一个tab里已经打开，详见

https://forums.xilinx.com/t5/Embedded-Linux/quot-petalinux-config-c-kernel-quot-stuck-and-config-window/td-p/1027178

将文件bsp.cfg和fix_u96v2_pwrseq_simple.patch拷到/project-spec/meta-user/recipes-kernel/linux/linux-xlnx

前者为USB和SPI配置使能，后者为 ATWILC3000的上电复位顺序

七、 根文件模块：创建和编译led-brightness 和wilc模块

petalinux-create -t modules --name led-brightness --enable

petalinux-create -t modules --name wilc –enable

只有led-brightness需要拷贝源程序

petalinux-build -c wilc

petalinux-build -c led-brightness

八、 根文件配置：拷贝rootfs_config文件，直接配置根文件

九、 根文件库：应用sds-lib创建、库拷贝、编译

[email protected]:~/ultra96v2_1-master/ultra96v2_1OS$ petalinux-build -c sds-lib

十、 第八步 根文件通配：网卡启动recipes-core, 鼠标键盘屏幕recipes-graphics和网络及启动配置recipes-utils

拷贝recipes-core(网卡启动), recipes-graphics(鼠标键盘屏幕)和 recipes-utils(网络及启动配置)拷入 /project-spec/meta-user/。

十一、 根文件用户配置：直接增加上一步配置user-rootfsconfig和petalinuxbsp.conf 改变

将文件user-rootfsconfig拷入/project-spec/meta-user/conf。

在petalinuxbsp.conf增加以下内容：

MACHINE_FEATURES_remove_ultra96-zynqmp = “mipi”

DISTRO_FEATURES_append = " bluez5 dbus"

PREFERRED_VERSION_wilc-firmware = “15.2”

IMAGE_INSTALL_remove = “ultra96-ap-setup”

存盘退出

[email protected]:~/ultra96v2_1-master/ultra96v2_1OS$ petalinux-config

[INFO] generating Kconfig for project

[INFO] menuconfig project

*** End of the configuration.

*** Execute ‘make’ to start the build or try ‘make help’.

[INFO] sourcing bitbake

[INFO] generating plnxtool conf

[INFO] generating meta-plnx-generated layer

[INFO] generating user layers

[INFO] generating workspace directory

[INFO] generating bbappends for project . This may take time !

[INFO] generating u-boot configuration files

[INFO] generating kernel configuration files

[INFO] generating kconfig for Rootfs

[INFO] silentconfig rootfs

[INFO] generating petalinux-user-image.bb

编译build the project as a whole:

petalinux-build

打包

petalinux-package --boot --fsbl ./images/linux/zynqmp_fsbl.elf --fpga ./images/linux/system.bit --pmufw ./images/linux/pmufw.elf --u-boot

十二、 启动Kernel panic分析解决

拷入SD，启动后发现Kernel panic

[ 22.987830] Starting init: /bin/sh exists but couldn’t execute it (error -13)

[ 22.994963] Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance.

[ 23.056710] —[ end Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance. ]—

经过漫长的原因查找后，发现是由于解压缩至SD卡时，发生了libc-2.28.so文件错误，

技术教程图

改正后：

另一文件，同样发生拷贝错误

改正后：

自动获得了IP地址：

已能通过无线wifi和MobaXterm操作ultra96v2上的文件系统：

实物照片，可以看到wifi灯和blue灯正常点亮：

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