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3 Commits

Author SHA1 Message Date
Steven Miao
68bcdd48a2 dpm: deepsleep: reserve stack 
Reserve 12 bytes on the stack for deepsleep use.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-07-24 13:39:53 +08:00
Sonic Zhang
928a8e6933 bf60x: Add wake up latency bench for deep sleep mode. 
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
 2012-07-24 13:39:49 +08:00
Sonic Zhang
c7e48e1e3e 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>
 2012-07-24 13:39:49 +08:00