diff options
Diffstat (limited to 'arch/arm/mach-omap2/memory.c')
| -rw-r--r-- | arch/arm/mach-omap2/memory.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/memory.c b/arch/arm/mach-omap2/memory.c index 85cbc2a2e66..3e5d8cd4ea4 100644 --- a/arch/arm/mach-omap2/memory.c +++ b/arch/arm/mach-omap2/memory.c @@ -30,6 +30,7 @@ #include "prcm-regs.h" #include "memory.h" + static struct memory_timings mem_timings; u32 omap2_memory_get_slow_dll_ctrl(void) @@ -99,3 +100,20 @@ void omap2_init_memory_params(u32 force_lock_to_unlock_mode) /* 90 degree phase for anything below 133Mhz + disable DLL filter */ mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8)); } + +/* turn on smart idle modes for SDRAM scheduler and controller */ +void __init omap2_init_memory(void) +{ + u32 l; + + l = SMS_SYSCONFIG; + l &= ~(0x3 << 3); + l |= (0x2 << 3); + SMS_SYSCONFIG = l; + + l = SDRC_SYSCONFIG; + l &= ~(0x3 << 3); + l |= (0x2 << 3); + SDRC_SYSCONFIG = l; + +} |