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authorStefan Roese <sr@denx.de>2010-04-27 18:13:34 -0400
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2010-05-05 12:51:54 -0400
commita32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c (patch)
tree66a68d8817ba3c86f1f38ee2cd1b5f92a9d56076 /Documentation
parent101c192e1163c1c7e8d29748108b582929975038 (diff)
powerpc/4xx: Add optional "reset_type" property to control reboot via dts
By setting "reset_type" to one of the following values, the default software reset mechanism may be overidden. Here the possible values of "reset_type": 1 - PPC4xx core reset 2 - PPC4xx chip reset 3 - PPC4xx system reset (default) This will be used by a new PPC440SPe board port, which needs a "chip reset" instead of the default "system reset" to be asserted. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/powerpc/dts-bindings/4xx/reboot.txt18
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/powerpc/dts-bindings/4xx/reboot.txt b/Documentation/powerpc/dts-bindings/4xx/reboot.txt
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1Reboot property to control system reboot on PPC4xx systems:
2
3By setting "reset_type" to one of the following values, the default
4software reset mechanism may be overidden. Here the possible values of
5"reset_type":
6
7 1 - PPC4xx core reset
8 2 - PPC4xx chip reset
9 3 - PPC4xx system reset (default)
10
11Example:
12
13 cpu@0 {
14 device_type = "cpu";
15 model = "PowerPC,440SPe";
16 ...
17 reset-type = <2>; /* Use chip-reset */
18 };