aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/memory.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/memory.c')
-rw-r--r--arch/arm/mach-omap2/memory.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/memory.c b/arch/arm/mach-omap2/memory.c
index 85cbc2a2e663..3e5d8cd4ea4f 100644
--- a/arch/arm/mach-omap2/memory.c
+++ b/arch/arm/mach-omap2/memory.c
@@ -30,6 +30,7 @@
30#include "prcm-regs.h" 30#include "prcm-regs.h"
31#include "memory.h" 31#include "memory.h"
32 32
33
33static struct memory_timings mem_timings; 34static struct memory_timings mem_timings;
34 35
35u32 omap2_memory_get_slow_dll_ctrl(void) 36u32 omap2_memory_get_slow_dll_ctrl(void)
@@ -99,3 +100,20 @@ void omap2_init_memory_params(u32 force_lock_to_unlock_mode)
99 /* 90 degree phase for anything below 133Mhz + disable DLL filter */ 100 /* 90 degree phase for anything below 133Mhz + disable DLL filter */
100 mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8)); 101 mem_timings.slow_dll_ctrl |= ((1 << 1) | (3 << 8));
101} 102}
103
104/* turn on smart idle modes for SDRAM scheduler and controller */
105void __init omap2_init_memory(void)
106{
107 u32 l;
108
109 l = SMS_SYSCONFIG;
110 l &= ~(0x3 << 3);
111 l |= (0x2 << 3);
112 SMS_SYSCONFIG = l;
113
114 l = SDRC_SYSCONFIG;
115 l &= ~(0x3 << 3);
116 l |= (0x2 << 3);
117 SDRC_SYSCONFIG = l;
118
119}