summaryrefslogtreecommitdiffstats
path: root/Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst')
-rw-r--r--Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst b/Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst
new file mode 100644
index 0000000000..5bee03af9d
--- /dev/null
+++ b/Documentation/boards/mvebu/Netgear-ReadyNAS-2120.rst
@@ -0,0 +1,19 @@
+Netgear ReadyNAS 2120
+=====================
+
+This is a rack mountable 4 bay NAS using an Armada XP dual-core processor.
+
+UART booting
+------------
+
+The first UART hides behind a sticker on 4 pins.
+
+The machine seems to do two resets at power on which makes UART booting hard. A
+trick to work around this is::
+
+ scripts/kwboot -d /dev/ttyUSB0; kwboot -b images/barebox-netgear-rn2120.img -t /dev/ttyUSB0
+
+This way the first window in which the CPU accepts the magic string is taken by
+the first invokation which blocks until the second reset happens. The second
+window is then hit with the image to boot. This is not 100% reliable but works
+most of the time.