add support for PSU firmware update (#1934)

This adds support for the PSC to perform automatic and autonomous updates of the PSU firmware on the MWOCP68-3600 series via a new task, psu_update.
oxidecomputer · Nov 25, 2024 · 3319357 · 3319357
1 parent 00ac97a
commit 3319357
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Showing 10 changed files with 871 additions and 9 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -31,6 +31,7 @@ path = "lib/counters"
 
 [workspace.dependencies]
 anyhow = { version = "1.0.31", default-features = false, features = ["std"] }
+array-init = { version = "2.1.0" }
 arrayvec = { version = "0.7.4", default-features = false }
 atty = { version = "0.2", default-features = false }
 bitfield = { version = "0.13", default-features = false }

diff --git a/app/psc/base.toml b/app/psc/base.toml
@@ -6,7 +6,7 @@ fwid = true
 
 [kernel]
 name = "psc"
-requires = {flash = 32868, ram = 5216}
+requires = {flash = 32868, ram = 6000}
 features = ["dump"]
 
 [caboose]
@@ -298,6 +298,13 @@ max-sizes = {flash = 16384, ram = 2048 }
 start = true
 task-slots = ["i2c_driver", "sensor"]
 
+[tasks.psu_update]
+name = "drv-psc-psu-update"
+priority = 4
+max-sizes = {flash = 65536, ram = 8192 }
+start = true
+task-slots = ["i2c_driver"]
+
 [tasks.dump_agent]
 name = "task-dump-agent"
 priority = 5