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authorSonic Zhang <sonic.zhang@analog.com>2012-07-23 11:35:30 +0800
committerBob Liu <lliubbo@gmail.com>2012-07-24 13:39:49 +0800
commitc7e48e1e3e926de21605f959c31689d56fb639e3 (patch)
tree4a598fd55ed79fdcf63077318e04d6f39be594d0 /arch/blackfin/mach-common
parenta5b4d4be6ce7939d1604fae05786833fffae02f9 (diff)
downloadlinux-c7e48e1e3e926de21605f959c31689d56fb639e3.tar.bz2
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>
Diffstat (limited to 'arch/blackfin/mach-common')
-rw-r--r--arch/blackfin/mach-common/entry.S7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 04c2fbe41a7f..1c3d2c5bb0bb 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -25,13 +25,6 @@
#include <asm/context.S>
-#if defined(CONFIG_BFIN_SCRATCH_REG_RETN)
-# define EX_SCRATCH_REG RETN
-#elif defined(CONFIG_BFIN_SCRATCH_REG_RETE)
-# define EX_SCRATCH_REG RETE
-#else
-# define EX_SCRATCH_REG CYCLES
-#endif
#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
.section .l1.text