Changes between Version 32 and Version 33 of gsc

Timestamp:

03/27/2019 06:32:16 PM (5 years ago)

Author:

Cale Collins

Comment:

updated gsc thermal protection

gsc

@@ -636 +636 @@
 
 [=#reset-cause]
-== GSC Reset Cause (GSCv3 GSC firmware version v53 or greater)
+== GSC Reset Cause (GSCv3, GSC firmware version v53 or greater)
 On most boards, the Gateworks System Controller has the ability to disable primary board power. This is used as a form of 'hard reset' in many cases. You can determine if and why the board was hard reset by looking at the value of the GSC_RESET_CAUSE register.
 
@@ -660 +660 @@
 
 [=#thermal-protection]
-== GSC Thermal Protection (GSCv3)
+== GSC Thermal Protection (GSCv3, GSC firmware version v53 or greater)
 The Gateworks System Controller has the ability to monitor board temperature and CPU temperature and disable board primary power when either of those exceeds specified values.
 
@@ -671 +671 @@
  - GW6400-B+
 
-This can be enabled with the GSC_THERMAL_PROTECT register R19 by setting bit 0.
-
-Examples:
- * U-Boot:
+Thermal protection is controlled by the GSC_THERMAL_PROTECT register R19.
+
+**Note:** Thermal protection is enabled automatically by the Gateworks boot firmware.  This is indicated by "Thermal Protection Enabled" as seen in the SPL output below:
 {{{#!bash
-# Enable thermal protection
-i2c dev 0 && i2c mw 0x20 0x13 1
-# Disable thermal protection
-i2c dev 0 && i2c mw 0x20 0x13 0
-}}}
- * Linux:
-{{{#!bash
-# Enable thermal protection
-i2cset -f -y 0 0x20 19 1
-# Disable thermal protection
-i2cset -f -y 0 0x20 19 0
-}}}
-
+GSC     : v53 0x0e68 RST:VIN Thermal Protection Enabled
+}}}
 
 [=#gsc-interrupts]