M41St85Wmx6Tr - SMART Embedded Computing COMX-P2020 BSP User Manual

=> i2c md 53 0.1 100
0000: 92 10 0b 08 02 11 00 09 0b 52 01 08 0c 00 34 00
0010: 6c 78 6c 30 6c 11 20 8c 70 03 3c 3c 00 f0 83 05
0020: 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0030: 00 00 00 00 00 00 00 00 00 00 00 00 0f 11 1f 00
0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0070: 00 00 00 00 00 01 94 01 09 50 06 a8 11 6d fd 64
0080: 53 47 35 37 32 35 36 38 45 4d 52 30 36 39 53 32
0090: 53 45 00 00 80 ce 53 4d 41 52 54 4d 6f 64 75 6c
00a0: 61 72 54 65 63 68 6e 6f 6c 6f 67 69 65 73 00 00
00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>
5.4.8

M41ST85WMX6TR

The M41ST85W can be used as RTC and Watchdog. For RTC, we can use the standard
U-boot command "date" to set and show the date and time. For the watchdog, we can use
the command: "wdg" to enable, disable and reset the watchdog.
=> wdg
Usage
wdg enable second - Enable Watchdog at second
wdg disable - Disable Watchdog
wdg reset - Reset Watchdog
1. Chip Probe:
The M41ST85W address is D0h(8-bit), and it can be accessed at I2C#2.
=> i2c dev 1
Setting bus to 1
=> i2c probe
Valid chip addresses: 1B 33 48 53 68
Excluded chip addresses:
COMX-P2020 BSP User Guide (6806800L84C)
U-boot Deployment
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