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Update README.md

add instruction for upgrade secondboot binary
MichaelZhuxx 2 years ago
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f93f109c75
1 changed files with 41 additions and 3 deletions
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      README.md

+ 41 - 3
README.md

@@ -15,7 +15,45 @@ Enter the build directory, generate the bootloader-JH7100-xxxxxx.bin.out file af
 
 # Upgrade 
 
-Follow the instruction as the below link to update the secondboot
-
-https://wiki.seeedstudio.com/BeagleV-Update-bootloader-ddr-init-boot-uboot-Recover-bootloader/
+Follow the instruction as the below steps to update the secondboot
+	
+Step 1:	After the hardware connections(power and serial port), power on the StarLight / VisionFive and you will see the startup information as follows. 
 	
+	bootloader version:211102-0b86f96
+	ddr 0x00000000, 1M test
+	ddr 0x00100000, 2M test
+	DDR clk 2133M,Version: 211102-d086aee
+	2
+
+Step 2:	Press any key as soon as it starts up to enter the upgrade menu. In this menu, you can only update u-boot.
+
+
+	bootloader version:211102-0b86f96
+	ddr 0x00000000, 1M test
+	ddr 0x00100000, 2M test
+	DDR clk 2133M,Version: 211102-d086aee
+	0
+	***************************************************
+	*************** FLASH PROGRAMMING *****************
+	***************************************************
+	0:update uboot
+	1:quit
+	select the function:
+
+Step 3: Type *root@s5t* and press *Enter* to enter the extended version of the upgrade menu. In this menu, you can update u-boot, secondboot and ddrinit.
+
+	***************************************************
+	*************** FLASH PROGRAMMING *****************
+	***************************************************
+	0:update uboot
+	1:quit
+	select the function: root@s5t
+	0:update second boot
+	1:update ddr init boot
+	2:update uboot
+	3:quit
+	select the function:
+
+Step 4: Type *0* and press *Enter* to update the secondboot.
+Step 5: Navigate to File > Transfer > XMODEM > Send... and choose the bootloader-xxxx-xxxx.bin.out.
+