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authorDomen Puncer <domen.puncer@telargo.com>2007-05-07 01:38:52 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-07 20:31:15 +1000
commit2e1ee1f76684c5d4dd8e5a08cbf22d57f88769ed (patch)
tree0c69d52b8fb2cf82f257944d182ce1f8973ab9f9 /include/asm-powerpc
parenta3481197783c187707090504062488862768260a (diff)
downloadlinux-2.6.34-ux500-2e1ee1f76684c5d4dd8e5a08cbf22d57f88769ed.tar.gz
[POWERPC] mpc52xx suspend to deep-sleep
Implement deep-sleep on MPC52xx. SDRAM is put into self-refresh with help of SRAM code (alternatives would be code in FLASH, I-cache). Interrupt code must also not be in SDRAM, so put it in I-cache. MPC52xx core is static, so contents will remain intact even with clocks turned off. Signed-off-by: Domen Puncer <domen.puncer@telargo.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/mpc52xx.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/asm-powerpc/mpc52xx.h b/include/asm-powerpc/mpc52xx.h
index 7afd5bf9452..c4631f6dd4f 100644
--- a/include/asm-powerpc/mpc52xx.h
+++ b/include/asm-powerpc/mpc52xx.h
@@ -253,5 +253,16 @@ extern int __init mpc52xx_add_bridge(struct device_node *node);
#endif /* __ASSEMBLY__ */
+#ifdef CONFIG_PM
+struct mpc52xx_suspend {
+ void (*board_suspend_prepare)(void __iomem *mbar);
+ void (*board_resume_finish)(void __iomem *mbar);
+};
+
+extern struct mpc52xx_suspend mpc52xx_suspend;
+extern int __init mpc52xx_pm_init(void);
+extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level);
+#endif /* CONFIG_PM */
+
#endif /* __ASM_POWERPC_MPC52xx_H__ */