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-rw-r--r--Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu46
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu b/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu
index ae9af984471a..ee253b033280 100644
--- a/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu
+++ b/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu
@@ -102,6 +102,8 @@ Description:
b[15:0]
inform firmware the current software execution
stage.
+
+ == ===========================================
0 the first stage bootloader didn't run or
didn't reach the point of launching second
stage bootloader.
@@ -111,18 +113,62 @@ Description:
2 both first and second stage bootloader ran
and the operating system launch was
attempted.
+ == ===========================================
b[16]
+ == ===========================================
1 firmware to reset current image retry
counter.
0 no action.
+ == ===========================================
b[17]
+ == ===========================================
1 firmware to clear RSU log
0 no action.
+ == ===========================================
b[18]
this is negative logic
+
+ == ===========================================
1 no action
0 firmware record the notify code defined
in b[15:0].
+ == ===========================================
+
+What: /sys/devices/platform/stratix10-rsu.0/dcmf0
+Date: June 2020
+KernelVersion: 5.8
+Contact: Richard Gong <richard.gong@linux.intel.com>
+Description:
+ (RO) Decision firmware copy 0 version information.
+
+What: /sys/devices/platform/stratix10-rsu.0/dcmf1
+Date: June 2020
+KernelVersion: 5.8
+Contact: Richard Gong <richard.gong@linux.intel.com>
+Description:
+ (RO) Decision firmware copy 1 version information.
+
+What: /sys/devices/platform/stratix10-rsu.0/dcmf2
+Date: June 2020
+KernelVersion: 5.8
+Contact: Richard Gong <richard.gong@linux.intel.com>
+Description:
+ (RO) Decision firmware copy 2 version information.
+
+What: /sys/devices/platform/stratix10-rsu.0/dcmf3
+Date: June 2020
+KernelVersion: 5.8
+Contact: Richard Gong <richard.gong@linux.intel.com>
+Description:
+ (RO) Decision firmware copy 3 version information.
+
+What: /sys/devices/platform/stratix10-rsu.0/max_retry
+Date: June 2020
+KernelVersion: 5.8
+Contact: Richard Gong <richard.gong@linux.intel.com>
+Description:
+ (RO) max retry parameter is stored in the firmware
+ decision IO section, as a byte located at offset 0x18c.