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[POWERPC] MPC5200 low power mode

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Low-power mode implementation for Lite5200b.
Some I/O registers are also saved here.

A recent U-Boot that supports this (lite5200b_PM_config) is needed.

Signed-off-by: Domen Puncer <[email protected]>
Signed-off-by: Sylvain Munaut <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
Domen Puncer 2007-07-18 06:32:31 +10:00 • committed by Paul Mackerras
commit ee983079ce
5 changed files with 647 additions and 5 deletions
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10
include/asm-powerpc/mpc52xx.h
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@ -262,6 +262,16 @@ struct mpc52xx_suspend {
extern struct mpc52xx_suspend mpc52xx_suspend;
extern int __init mpc52xx_pm_init(void);
extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level);
#ifdef CONFIG_PPC_LITE5200
extern int __init lite5200_pm_init(void);
/* lite5200 calls mpc5200 suspend functions, so here they are */
extern int mpc52xx_pm_prepare(suspend_state_t);
extern int mpc52xx_pm_enter(suspend_state_t);
extern int mpc52xx_pm_finish(suspend_state_t);
extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */
#endif
#endif /* CONFIG_PM */
#endif /* __ASM_POWERPC_MPC52xx_H__ */