MIO-5355 Yocto user guide
Contents
產品介紹(Product introduction )
產品特性(Product Features)
- Qualcomm® QCS6490/QCS5430 on 3.5" SBC, support extend operating temperature -20~70°C
- Powerful but Low Power with 8x Kryo 670 CPU from 1.9 up to 2.7 GHz + Adreno GPU 643 + up to 12.3 TOPs iNPU
- Rugged Design with On-board 8GB LPDDR5 and 128GB UFS or eMMC
- Flexible Displays with HDMI and LVDS or eDP & Rich I/Os: 2x GbE, 6x USB, 4x COM, 2x MIPI-CSI, 1x Audio
- 3x M.2 Expansions: M.2 E-Key 2230 for WiFi/BT, M.2 B-Key 3052 for 4G/LTE, M.2 B-Key 2280 for NVMe Storage
- Various OS Support: Yocto, Windows on Arm and Ubuntu
產品官網連結(Product official website link)
硬件接口說明(Hardware interface introduction)
接口布局(Layout)
Swtich / Jumper Settings
SW1
- SW1 ( 1-on ) : USB EDL Mode (Forced Recovery)
- SW1 ( 1-off ) : Normal Boot
- SW1 ( 2-on ) : AT Mode
- SW1 ( 2-off ) : ATX Mode
- SW1 ( 3-on ) : UFS
- SW1 ( 3-off ) : EMMC
- SW1 ( 4-on ) : LVDS (DVT Support)
- SW1 ( 4-off ) : eDP (DVT Support)
SW2
- LVDS Resolution setting
SW3
- SW3 ( 1-on ) : COM1 TERM RX Eable
- SW3 ( 1-off ) : COM1 TERM RX Disable
- SW3 ( 2-on ) : COM2 TERM RX Eable
- SW3 ( 2-off ) : COM2 TERM RX Disable
VDD1
- VDD1 ( Select 1,3 ): 3.3V
- VDD1 ( Select 3,5 ): 5V
- VDD1 ( Select 3,4 ): 12V
系统下载 (OS Download)
Yocto 4.0 :
燒錄方法 (Recovery & Rescue method)
1. Download the Qualcomm Software Center
2. Open the Qualcomm Software Center
3. Search "PCAT" in the search bar
4. Click Qualcomm® Product Configuration Assistant Tool
5. Select Qualcomm® Product Configuration Assistant Tool version
Version: 2.33.2.119
6. Install Qualcomm® Product Configuration Assistant Tool 2.33.2.119
7. Search "QUTS" in the search bar
8. Click the Qualcomm® Unified Tools Services
9. Select Qualcomm® Unified Tools Services version
Version : 1.75.2.9
10. Install Qualcomm® Unified Tools Services 1.75.2.9
11. You will find the new application in your Windows system .
12. Unzip the UFS File and eMMC File
For example :
mio5355a1_yocto4.0.18-le1.1_v2.0.0_kernel-6.6.28_qcs6490_8g_emmc_2025-10-14.tgz
mio5355a1_yocto4.0.18-le1.1_v2.0.0_kernel-6.6.28_qcs6490_8g_ufs_2025-10-14.tgz
13 Connect your device via Micro USB.
14. if your pc can not identify the USB , please download the "'Qualcomm USB Driver"
15. Search " Qualcomm USB Driver " in the search bar , then install the driver.
Flash UFS
For confirmation, we will erase the partition before UFS installation.
1. Change the SW1
Flash UFS: the SW1 switch to 1-on, 3-on
2. Turn on the power
3. Open " PCATApp" Tool
4. Select "Qualcomm HS-USB QDLoader 9008" and click connect
5. When you connected successfully , it will show "green word" - Qualcomm HS-USB QDLoader 9008 (COM 11)
6. Select UFS Folder in PCAT Tool , the Tool will help load Files automatically and Select "MEMORY_TYPE_UFS"
7. Select provision button 
8. Add the prog_firehose_ddr.elf and provision_ufs31.xml in UFS folder.
9. Then press "OK" , it will start to do USF Provision.
10. When the Provision finished , you can see the result in message window.
11. Click " Download"
'12. UFS Donwload 'completed
12. When you finish the download process , please change the switch.
Flash UFS: the SW1 switch to 1-off
Flash eMMC
1. Turn off the Power
2. Change the SW1
Flash eMMC: the SW1 switch to 1-on, 3-off
3. Turn on the power
4. Make sure the device connection status.
5. If the device disconnect with PCAT Tool , please connect it again.
6. Select EMMC Folder in PCAT Tool, the Tool will help load Files automatically and Select "MEMORY_TYPE_EMMC"
7. Make sure the setting ,then press " Download " button.
'8. eMMC Donwload 'completed
10. When the eMMC installation finished . Close the PCAT tool ,
'11 'Please remove the mirco usb cable, turn off the power
12. eMMC boot up : SW1 switch to 1-off
13. Connect debug cable and open the terminal , turn on the power .
Linux BSP編譯方法(Linux BSP Compile Method)