WISE-PaaS/OTA Agent(risc linux) - Revision history

Yinghui.yin at 03:37, 8 November 2016

2016-11-08T03:37:45Z

2016-11-08T03:31:22Z

2016-11-07T07:10:39Z

2016-11-07T07:09:47Z

2016-11-07T06:33:00Z

2016-11-07T06:31:58Z

2016-11-04T09:56:56Z

2016-11-04T09:46:52Z

2016-11-04T09:45:57Z

2016-11-04T09:20:59Z

@@ Line 1: / Line 1: @@
 == Introduction ==
-This document demonstrates how to support our ota-agent solution&nbsp;on your risc arm linux.
+This document demonstrates how to support our ota-agent solution&nbsp;on your risc arm linux for BSP update.
 === Requirement ===

@@ Line 1: / Line 1: @@
 == Introduction ==
-This document demonstrates how to support our ota-agent solution&nbsp;under your risc arm linux.
+This document demonstrates how to support our ota-agent solution&nbsp;on your risc arm linux.
 === Requirement ===
-*The storage(sd card, Nand flash)&nbsp;capacity need greate than 4G.&nbsp;8G is&nbsp;recommended
+*The storage(sd card, Nand flash)&nbsp;capacity need greate than 4G. &nbsp;8G is&nbsp;recommended
 === Note ===
-We take our '''rsb4220 '''(TI am335x platform) for example. For other platform, it is similar
+We take our '''rsb4220 '''(TI am335x platform) for example.&nbsp; It is similar for other platfrom.
 == Architecture ==
@@ Line 17: / Line 17: @@
 *one boot partition, containing the U-Boot bootloader and its environment
 *two partitions for storing the root file system and kernel. The kernel image file, zImage, and any device tree binary should be stored in directory /boot
-*one for persistent data
+*one partition for persistent data
 One of the rootfs and kernel partitions will be marked as the&nbsp;''active''&nbsp;partition, from which the kernel and rootfs will be booted. The other, called the&nbsp;''inactive''&nbsp;partition, will be used by the update mechanism to write the updated image. After an update their roles are swapped.

@@ Line 192: / Line 192: @@
 #sync
 #reboot
-</syntaxhighlight>You can get the script from here:
+</syntaxhighlight>You can get the script from here: [https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux]
 === modify-env-tools under linux ===
@@ Line 205: / Line 203: @@
 Now your can use command fw_printenv to print some environment variable and use fw_setenv to modify some&nbsp;environment variable.
-== refer to&nbsp; ==
+== Refer to&nbsp; ==
 === [[WISE-PaaS/OTA_Server|WISE-PaaS/OTA Server]] ===
 === [[WISE-PaaS/OTA_Agent|WISE-PaaS/OTA Agent]] ===

@@ Line 192: / Line 192: @@
 #sync
 #reboot
-</syntaxhighlight>
+</syntaxhighlight>You can get the script from here:
 [https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux]
@@ Line 208: / Line 206: @@
 == refer to&nbsp; ==

@@ Line 193: / Line 193: @@
 #reboot
 </syntaxhighlight>
-=== You can get the script from here: ===
+You can get the script from here:
 [https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux https://github.com/ADVANTECH-Corp/wise-paas-ota-agent-risc-linux]
@@ Line 207: / Line 207: @@
 Now your can use command fw_printenv to print some environment variable and use fw_setenv to modify some&nbsp;environment variable.
-=== refer to&nbsp; ===
+== refer to&nbsp; ==

@@ Line 89: / Line 89: @@
 === make sd card script ===
-You can get the ota-related script form here:
+The script&nbsp;formats sd card to meet the requirement of ota under risc linux
 === Ota script under Linux ===
@@ Line 189: / Line 193: @@
 #reboot
 </syntaxhighlight>
 === modify-env-tools under linux ===
 After update new-bsp to the update partition, it is time to modify the uboot-env to let uboot to boot this new-bsp when next startup.
-It is easy under uboot through set the env boot_part, but under linux system, we can't. So we find a tool named fw_printenv to do this.
+It is easy under uboot through set the env '''boot_part''', but under linux system, we can't. So we find a tool named fw_printenv to do this.
-The source code of fw_printenv tools is under uboot source code(tools/env).Cross-compile it and move fw_printenv&nbsp;to /bin under your board. then create a softlink named fw_setenv to fw_printenv.&nbsp;
+The source code of fw_printenv tools is under uboot source code(tools/env).Cross-compile it and move fw_printenv&nbsp;to /bin directory&nbsp;under your board. then create a softlink named fw_setenv to fw_printenv.&nbsp;
 Now your can use command fw_printenv to print some environment variable and use fw_setenv to modify some&nbsp;environment variable.
 === refer to&nbsp; ===

@@ Line 94: / Line 94: @@
 This part achieve the ota details under risc linux, mainly copy the kernel and rootfs to the updated partition:
-<syntaxhighlight lang="c">
+<syntaxhighlight lang="bash">
 #!/bin/bash
 deviceprefix=/dev/mmcblk0p

@@ Line 37: / Line 37: @@
 *modify file include/configs/am335x_rsb4220.h
 <syntaxhighlight lang="c">
 define CONFIG_LINUX_OTA
-// add boot_part=0 env
+// add boot_part=0
 #define CONFIG_EXTRA_ENV_SETTINGS \
 ...
@@ Line 46: / Line 48: @@
 </syntaxhighlight>
 *modify file arch/arm/lib/board.c
 <syntaxhighlight lang="c">
 void  board_set_boot_device()
@@ Line 85: / Line 89: @@
 === make sd card script ===
 === modify-env-tools under linux ===
-== refer to&nbsp; ==
+After update new-bsp to the update partition, it is time to modify the uboot-env to let uboot to boot this new-bsp when next startup.