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This document describes various specifics of the '''Argos®2D A100 Camera''' as far as the '''Bluetechnix MX53 Linux Board Support Package''' is concerned.

= Quick start =

Here is how to start with your Argos®2D A100 Camera based on the CM-i.MX53 SoM.

*Usually the camera will arrive pre-mounted
*Configure the DIP switches on the base board for [[#SD (Secure Digital) card|SD card boot]]. (If you do not want to boot the Argos®2D A100 demo application, boot Linux only from [[#SPI NOR flash|SPI-NOR]]).
*Connect 12V DC to the power connector on the back panel
*Connect a monitor or TV via HDMI on the back panel
*If you like, connect Ethernet on the back panel
*Optionally, connect to the serial terminal to see the board's boot messages (via eCAM-EXT-Debug board on the red extension connector X11)

= Boot modes =

The Argos®2D A100 board allows to configure the CM-i.MX53 module's boot mode via a DIP switch.

== SPI NOR flash ==
{|
| width="150" | V1.0.X || width="150" | V1.1.X || width="150" | ≥V1.2.X
|-
| {{dipswitch|1|0|1|1|0|0|0|0}} || {{dipswitch|0|0|1|0}} || {{dipswitch|0|0|1|X}}
|-
|}

== SD (Secure Digital) card ==
{|
| width="150" | V1.0.X || width="150" | V1.1.X || width="150" | ≥V1.2.X
|-
| {{dipswitch|1|0|1|0|1|0|0|0}} || {{dipswitch|0|0|0|1}} || {{dipswitch|0|0|0|X}}
|-
|}

== USB/UART boot mode ==
NOTE: The mfgtool requires this boot mode to be set.

{|
| width="150" | V1.0.X || width="150" | V1.1.X || width="150" | ≥V1.2.X
|-
| {{dipswitch|X|X|X|X|X|X|1|1}} || {{dipswitch|1|1|X|X}} || {{dipswitch|1|1|X|X}}
|-
|}

= JTAG connector =

Some JTAG debuggers, like the PEEDI JTAG, short pins #1 and #2 (VREF and VSUPPLY) of the [https://www.jtagtest.com/pinouts/arm20 20-pin ARM JTAG header] (X9). On the Argos®2D A100, these pins are connected to different voltages (2V8 vs. 3V3) and MUST NOT be shortened.

'''Important!''' If your JTAG device/connector shorts pins #1 and #2, the following switch setting must be done on Argos®2D A100 ≥V1.2.X. It disconnects 3V3 from JTAG pin #2 (VSUPPLY).
'''Do not connect such a JTAG device to Argos®2D A100 ≤V1.1.X!'''

{|
| ≥V1.2.X ||
|-
| {{dipswitch|X|X|X|0}} || Disconnect 3V3 from JTAG pin #2 (VSUPPLY)
|-
| {{dipswitch|X|X|X|1}} || Connect 3V3 to VSUPPLY
|-
|}

= U-Boot/Linux kernel configuration =

There is a Linux kernel parameter for the Argos®2D A100 Camera which enables some specific features at boot time. Add this to your ''bootargs_base'' variable in U-Boot.

*Boot U-Boot
*Press any key to stop Linux kernel boot, you will get to U-Boot's prompt.
*Add the Linux kernel parameter:
CM-i.MX53 U-Boot> setenv bootargs_base $(bootargs_base) board=icam
CM-i.MX53 U-Boot> printenv bootargs_base
bootargs_base=setenv bootargs console=ttymxc0,115200 hdmi di1_primary video=mxcd
i1fb:RGB24,1280x720M@60 console=tty1 board=icam
CM-i.MX53 U-Boot>

What it does:
*Reads factory reset pin on boot and prints the message "Factory Reset on iCAM-CM-i.MX requested!" in case the button is pressed
*Configures on-board RTC correctly
*Doesn't switch off the PMIC after ''poweroff'' command (since restart would require power-cycling)

= Serial terminal over USB-OTG =
On the Argos®2D A100, the UART1 serial port is only accessible on an extension connector via a breakout-cable. Alternatively, one may use a serial terminal over USB-OTG.

Please find the instructions in the [[Linux Software User Manual (i.MX53 Modules)#Serial terminal over USB|MX53 Linux Software User Manual]].

[[Category:i.MX53]]
[[Category:Argos2D-A100]]

Linux BSP customization for Argos®2D A100 Camera - Versionsgeschichte

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