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| author | Stefan Roese <sr@denx.de> | 2010-04-27 22:13:34 +0000 |
|---|---|---|
| committer | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2010-05-05 12:51:54 -0400 |
| commit | a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c (patch) | |
| tree | 66a68d8817ba3c86f1f38ee2cd1b5f92a9d56076 /Documentation | |
| parent | 101c192e1163c1c7e8d29748108b582929975038 (diff) | |
| download | kernel_samsung_crespo-a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c.zip kernel_samsung_crespo-a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c.tar.gz kernel_samsung_crespo-a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c.tar.bz2 | |
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.txt | 18 |
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 new file mode 100644 index 0000000..d721726 --- /dev/null +++ b/Documentation/powerpc/dts-bindings/4xx/reboot.txt @@ -0,0 +1,18 @@ +Reboot property to control system reboot on PPC4xx systems: + +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) + +Example: + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,440SPe"; + ... + reset-type = <2>; /* Use chip-reset */ + }; |