tree 4a598fd55ed79fdcf63077318e04d6f39be594d0
parent a5b4d4be6ce7939d1604fae05786833fffae02f9
author Sonic Zhang <sonic.zhang@analog.com> 1343014530 +0800
committer Bob Liu <lliubbo@gmail.com> 1343108389 +0800

bfin: pm: add deepsleep for bf60x

Add add deepsleep for bf60x.
1. Call DMC init functions to enter and exit DDR self refresh mode.
2. Wait till CGU PLL is locked after wake up and exit DDR self refresh mode.
3. Make asessembly function enter_deepsleep comply with C funtion ABI in
order to call other C functions.
4. Switch kernel stack by register EX_SCRATCH_REG.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>